/* font */
/* font  */
@font-face {
    font-family: "GlobalZT Font Solid";
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/fa-solid-900.woff2") format("woff2");
}

@font-face {
    font-family: "GlobalZT Font Brand";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/fa-brands-400.woff2") format("woff2");
}

.fa-solid {
    font-style: normal;
    font-weight: 900;
    font-family: "GlobalZT Font Solid";
}

.fa-brands {
    font-style: normal;
    font-weight: 400;
    font-family: "GlobalZT Font Brand";
}

.fa-arrow-right:before {
    content: "\f061";
}

.fa-arrow-right-long:before,
.fa-long-arrow-right:before {
    content: "\f178";
}

.fa-arrow-up-right-from-square:before,
.fa-external-link:before {
    content: "\f08e";
}

.fa-boxes-alt:before,
.fa-boxes-stacked:before,
.fa-boxes:before {
    content: "\f468";
}

.fa-building:before {
    content: "\f1ad";
}

.fa-calendar:before {
    content: "\f133";
}

.fa-certificate:before {
    content: "\f0a3";
}

.fa-check:before {
    content: "\f00c";
}

.fa-chevron-left:before {
    content: "\f053";
}

.fa-chevron-right:before {
    content: "\f054";
}

.fa-check-circle:before,
.fa-circle-check:before {
    content: "\f058";
}

.fa-circle-dot:before,
.fa-dot-circle:before {
    content: "\f192";
}

.fa-circle-question:before,
.fa-question-circle:before {
    content: "\f059";
}

.fa-clock-four:before,
.fa-clock:before {
    content: "\f017";
}

.fa-compass-drafting:before,
.fa-drafting-compass:before {
    content: "\f568";
}

.fa-earth-africa:before,
.fa-globe-africa:before {
    content: "\f57c";
}

.fa-earth-america:before,
.fa-earth-americas:before,
.fa-earth:before,
.fa-globe-americas:before {
    content: "\f57d";
}

.fa-earth-asia:before,
.fa-globe-asia:before {
    content: "\f57e";
}

.fa-envelope:before {
    content: "\f0e0";
}

.fa-facebook-f:before {
    content: "\f39e";
}

.fa-file-invoice-dollar:before {
    content: "\f571";
}

.fa-cogs:before,
.fa-gears:before {
    content: "\f085";
}

.fa-globe:before {
    content: "\f0ac";
}

.fa-handshake:before {
    content: "\f2b5";
}

.fa-headset:before {
    content: "\f590";
}

.fa-home-alt:before,
.fa-home-lg-alt:before,
.fa-home:before,
.fa-house:before {
    content: "\f015";
}

.fa-home-lg:before,
.fa-house-chimney:before {
    content: "\e3af";
}

.fa-industry:before {
    content: "\f275";
}

.fa-layer-group:before {
    content: "\f5fd";
}

.fa-linkedin-in:before {
    content: "\f0e1";
}

.fa-list-check:before,
.fa-tasks:before {
    content: "\f0ae";
}

.fa-location-dot:before,
.fa-map-marker-alt:before {
    content: "\f3c5";
}

.fa-magnifying-glass:before,
.fa-search:before {
    content: "\f002";
}

.fa-mosque:before {
    content: "\f678";
}

.fa-newspaper:before {
    content: "\f1ea";
}

.fa-paper-plane:before {
    content: "\f1d8";
}

.fa-phone:before {
    content: "\f095";
}

.fa-phone-volume:before,
.fa-volume-control-phone:before {
    content: "\f2a0";
}

.fa-play:before {
    content: "\f04b";
}

.fa-ruler-combined:before {
    content: "\f546";
}

.fa-ship:before {
    content: "\f21a";
}

.fa-stamp:before {
    content: "\f5bf";
}

.fa-shipping-fast:before,
.fa-truck-fast:before {
    content: "\f48b";
}

.fa-whatsapp:before {
    content: "\f232";
}

.fa-close:before,
.fa-multiply:before,
.fa-remove:before,
.fa-times:before,
.fa-xmark:before {
    content: "\f00d";
}


/* common */
/* ============================================================
   COMMON.CSS - Global Design System, Reset, Utilities
   TIANJIN FRIENDSTEEL GROUP
   ============================================================ */

/* ---------- Google Fonts ---------- */
/* @import url("https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,700&family=Inter:wght@300;400;500;600;700&display=swap"); */
/* ============================================================
   提炼自 Google Fonts - 仅包含 latin 字符集
   字体: Barlow Condensed + Inter
   字重: Barlow Condensed (400,600,700) | Inter (400,500,600,700)
   ============================================================ */

/* ===== Barlow Condensed ===== */

/* Barlow Condensed 400 */
/* @font-face {
    font-family: 'Barlow Condensed';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url(https://fonts.gstatic.com/s/barlowcondensed/v12/HTx3L3I-JCGChYJ8VI-L6OO_au7B6x7T.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
} */

/* Barlow Condensed 600 */
@font-face {
    font-family: 'Barlow Condensed';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/HTxwL3I-JCGChYJ8VI-L6OO_au7B4873z3bWuQ.woff2") format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Barlow Condensed 700 */
@font-face {
    font-family: 'Barlow Condensed';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/HTxwL3I-JCGChYJ8VI-L6OO_au7B46r2z3bWuQ.woff2") format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ===== Inter ===== */

/* Inter 400 */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2") format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Inter 500 */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2") format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Inter 600 */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2") format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Inter 700 */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url("/wp-content/themes/GlobalZT/assets/webfonts/UcC73FwrK3iLTeHuS_nVMrMxCp50SjIa1ZL7.woff2") format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ---------- CSS Variables ---------- */
:root {
    /* Primary - Industrial Red */
    --clr-primary: #c8102e;
    --clr-primary-dark: #9b0c22;
    --clr-primary-light: #e63050;
    --clr-primary-glow: rgba(200, 16, 46, 0.25);

    /* Secondary - Steel Charcoal & Slate */
    --clr-secondary: #1a1a2e;
    --clr-dark: #0d0d1a;
    --clr-slate: #1e2a38;
    --clr-slate-mid: #2c3e50;
    --clr-slate-light: #374a5c;

    /* Accent */
    --clr-accent: #e8e8e8;
    --clr-accent-gold: #b8924a;
    --clr-steel: #8da0b3;
    --clr-steel-light: #b0c4d8;

    /* Backgrounds */
    --clr-bg: #f4f5f7;
    --clr-bg-dark: #0d0d1a;
    --clr-bg-section: #f8f9fa;
    --clr-bg-card: #ffffff;

    /* Text */
    --clr-text: #1a1a2e;
    --clr-text-muted: #5a6a7a;
    --clr-text-light: #ffffff;

    /* Borders */
    --clr-border: #d8dce0;
    --clr-border-dark: #374a5c;

    /* Fonts */
    --font-display: "Barlow Condensed", sans-serif;
    --font-body: "Inter", sans-serif;

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;

    /* Layout */
    --max-width: 1600px;
    --page-px: 2vw;

    /* Transitions */
    --ease-fast: all 0.2s ease;
    --ease-std: all 0.35s ease;
    --ease-slow: all 0.55s cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.18);
    --shadow-red: 0 8px 32px rgba(200, 16, 46, 0.3);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--clr-text);
    background: white;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img,
video {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--ease-fast);
}

ul,
ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

input,
textarea,
select {
    font-family: inherit;
    font-size: inherit;
}

/* ---------- Layout Container ---------- */
.container {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--page-px);
    width: 100%;
}

/* ---------- Section Base ---------- */
.section {
    padding-block: var(--space-xl);
}

.section--dark {
    background: var(--clr-bg-dark);
    color: var(--clr-text-light);
}

.section--slate {
    background: var(--clr-slate);
    color: var(--clr-text-light);
}

.section--gray {
    background: var(--clr-bg-section);
}

/* ---------- Section Header ---------- */
.section-header {
    margin-bottom: var(--space-xl);
}

.section-header--center {
    text-align: center;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-bottom: var(--space-xs);
}

.section-label::before {
    content: "";
    display: block;
    width: 28px;
    height: 2px;
    background: var(--clr-primary);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 700;
    line-height: 1.1;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--clr-secondary);
}

.section--dark .section-title,
.section--slate .section-title {
    color: var(--clr-text-light);
}

.section-subtitle {
    margin-top: 0.75rem;
    font-size: 1rem;
    color: var(--clr-text-muted);
    max-width: 560px;
    line-height: 1.7;
}

.section--dark .section-subtitle,
.section--slate .section-subtitle {
    color: var(--clr-steel-light);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.85rem 2rem;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: var(--ease-std);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.08);
    opacity: 0;
    transition: opacity 0.2s;
}

.btn:hover::after {
    opacity: 1;
}

.btn-primary {
    background: var(--clr-primary);
    color: #fff;
    box-shadow: var(--shadow-red);
}

.btn-primary:hover {
    background: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(200, 16, 46, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--clr-primary);
    border: 2px solid var(--clr-primary);
}

.btn-outline:hover {
    background: var(--clr-primary);
    color: #fff;
    transform: translateY(-2px);
}

.btn-outline-white {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.6);
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.55rem 1.25rem;
    font-size: 0.85rem;
}

/* ---------- Card Base ---------- */
.card {
    background: var(--clr-bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--ease-std);
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

/* ---------- Tag / Badge ---------- */
.tag {
    display: inline-block;
    padding: 0.2em 0.75em;
    background: var(--clr-primary);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 2px;
}

/* ---------- Divider ---------- */
.divider {
    width: 60px;
    height: 3px;
    background: var(--clr-primary);
    margin-block: var(--space-sm);
}

/* ---------- Overlay ---------- */
.overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

/* ---------- Fade-in animation ---------- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(32px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    opacity: 0;
    transform: translateY(32px);
    transition:
        opacity 0.65s ease,
        transform 0.65s ease;
}

.animate-fade-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--clr-bg-dark);
}

::-webkit-scrollbar-thumb {
    background: var(--clr-primary);
    border-radius: 3px;
}

/* ---------- Selection ---------- */
::selection {
    background: var(--clr-primary);
    color: #fff;
}

/* ---------- Responsive helpers ---------- */
@media (max-width: 1024px) {
    :root {
        --page-px: 4vw;
        --space-xxl: 4.5rem;
        --space-xl: 3rem;
    }
}

@media (max-width: 768px) {
    :root {
        --page-px: 5vw;
        --space-xxl: 3.5rem;
        --space-xl: 2.5rem;
    }

    .section-title {
        font-size: clamp(1.6rem, 6vw, 2.4rem);
    }
}

@media (max-width: 480px) {
    :root {
        --page-px: 4vw;
    }
}

/* ---------- Sidebar Component ---------- */
.side-nav {
    padding: 2rem;
    background: #fff;
    border-radius: var(--radius-md);
    /* border: 1px solid var(--clr-border); */
    box-shadow: var(--shadow-sm);
}

.side-nav__title {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--clr-secondary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--clr-primary);
    display: block;
}

.side-nav__list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.side-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--clr-text-muted);
    border-radius: var(--radius-sm);
    transition: all 0.25s ease;
}

.side-nav__link:hover,
.side-nav__link.active {
    background: var(--clr-bg-section);
    color: var(--clr-primary);
}

.side-nav__link i {
    font-size: 0.75rem;
    opacity: 0.5;
    transition: transform 0.25s ease;
}

.side-nav__link:hover i {
    transform: translateX(3px);
    opacity: 1;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
    padding: 1.5rem 0;
    background: var(--clr-bg-section);
    border-bottom: 1px solid var(--clr-border);
}

.breadcrumbs__list {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumbs__item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--clr-text-muted);
}

.breadcrumbs__item a {
    color: var(--clr-text-muted);
    transition: color 0.2s;
}

.breadcrumbs__item a:hover {
    color: var(--clr-primary);
}

.breadcrumbs__item::after {
    content: "\f054";
    /* fa-chevron-right */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.65rem;
    opacity: 0.4;
}

.breadcrumbs__item:last-child {
    color: var(--clr-primary);
    font-weight: 700;
}

.breadcrumbs__item:last-child::after {
    display: none;
}

.accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background: #fff;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.accordion-item.active {
    border-color: var(--clr-primary);
    box-shadow: var(--shadow-md);
}

.accordion-trigger {
    width: 100%;
    text-align: left;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--clr-secondary);
    transition: all 0.3s ease;
}

.accordion-item.active .accordion-trigger {
    background: rgba(200, 16, 46, 1);
    color: #fff;
}

.accordion-icon {
    width: 20px;
    height: 20px;
    position: relative;
    transition: transform 0.4s cubic-bezier(0.2, 1, 0.3, 1);
}

.accordion-icon::before,
.accordion-icon::after {
    content: "";
    position: absolute;
    background: currentColor;
    border-radius: 1px;
}

.accordion-icon::before {
    top: 9px;
    left: 0;
    right: 0;
    height: 2px;
}

.accordion-icon::after {
    top: 0;
    bottom: 0;
    left: 9px;
    width: 2px;
    transition: transform 0.4s ease;
}

.accordion-item.active .accordion-icon {
    transform: rotate(90deg);
}

.accordion-item.active .accordion-icon::after {
    transform: scaleY(0);
}

.accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.4s cubic-bezier(0.2, 1, 0.3, 1);
    height: 0;
}

.accordion-item.active .accordion-content {
    grid-template-rows: 1fr;
    height: fit-content;
}

.accordion-inner {
    min-height: 0;
    overflow: hidden;
    padding: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--clr-text-muted);
}

/* ---------- Pagination ---------- */
.pagination {
    margin-top: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.page-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--clr-border);
    background: #fff;
    color: var(--clr-secondary);
    font-family: var(--font-display);
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.page-btn:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    transform: translateY(-2px);
}

.page-btn.active {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(193, 23, 28, 0.2);
}

.page-btn--prev,
.page-btn--next {
    width: auto;
    padding: 0 1.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.page-btn--prev i,
.page-btn--next i {
    font-size: 1rem;
}

nav[aria-label="breadcrumb"] {
    max-width: var(--max-width);
    margin-inline: auto;
    padding: 10px var(--page-px);
    width: 100%;
}

/* header */
/* ============================================================
   HEADER.CSS - Topbar + Mainbar + Search Overlay
   TIANJIN FRIENDSTEEL GROUP
   ============================================================ */

/* ---------- Site Header ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9000;
    transition: all 0.3s ease;
}

/* Transparent at top */
.site-header.at-top {
    background: transparent;
}

/* Scrolled: glassmorphism */
.site-header.scrolled {
    background: transparent;
    box-shadow: 0 2px 32px rgba(0, 0, 0, 0.4);
}

.site-header.scrolled::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background: rgba(13, 13, 26, 0.82);
    backdrop-filter: blur(18px) saturate(1.6);
    -webkit-backdrop-filter: blur(18px) saturate(1.6);
    pointer-events: none;
}

/* ---------- Topbar ---------- */
.site-topbar {
    /* background: var(--clr-primary); */
    overflow: hidden;
    max-height: 50px;
    transition:
        max-height 0.35s ease,
        opacity 0.3s ease,
        padding 0.3s ease;
    opacity: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

/*.site-header.scrolled .site-topbar {*/
/*  max-height: 0;*/
/*  opacity: 0;*/
/*  padding: 0 !important;*/
/*}*/

.site-topbar__inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--page-px);
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.topbar-info {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.topbar-info__item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.92);
    font-family: var(--font-body);
    line-height: 1;
    white-space: nowrap;
}

.topbar-info__item i {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.75);
}

.topbar-info__item a {
    color: inherit;
}

.topbar-info__item a:hover {
    color: #fff;
    text-decoration: underline;
}

.topbar-social {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.topbar-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.7rem;
    transition: var(--ease-fast);
}

.topbar-social a:hover {
    background: rgba(255, 255, 255, 0.3);
    color: #fff;
    transform: scale(1.1);
}

/* ---------- Mainbar ---------- */
.site-mainbar {
    height: 76px;
    display: flex;
    align-items: center;
}

.site-mainbar__inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--page-px);
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

/* Logo */
.site-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 0;
}

.site-logo__img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.site-logo__text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.site-logo__name {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--clr-primary);
}

.site-logo__tagline {
    font-size: 1rem;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.65);
    font-family: var(--font-body);
}

/* Navigation */
.site-nav {
    display: flex;
    height: 100%;
    align-items: center;
    margin-left: auto;
}

.site-nav__list {
    display: flex;
    height: 100%;
    align-items: center;
    gap: 0;
}

.site-nav__item {
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.site-nav__link {
    display: flex;
    align-items: center;
    height: fit-content;
    gap: 0.3rem;
    padding: 0.5rem 1.5rem;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.92);
    transition: var(--ease-fast);
    position: relative;
}

.site-nav__link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--clr-primary);
    transition: width 0.25s ease;
}

.site-nav__link:hover,
.site-nav__link.active {
    color: #fff;
}

.site-nav__link:hover::after,
.site-nav__link.active::after {
    width: calc(100% - 2.2rem);
}

/* Dropdown */
.site-nav__dropdown {
    position: absolute;
    top: 90%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    background: rgba(13, 13, 26, 0.97);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(200, 16, 46, 0.25);
    border-radius: var(--radius-md);
    min-width: 220px;
    padding: 0.5rem 0;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 0.25s ease,
        transform 0.25s ease;
    box-shadow: var(--shadow-lg);
}

.site-nav__item:hover .site-nav__dropdown {
    opacity: 1;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

.site-nav__dropdown-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--ease-fast);
    white-space: nowrap;
}

.site-nav__dropdown-link i {
    color: var(--clr-primary);
    font-size: 0.75rem;
    width: 14px;
}

.site-nav__dropdown-link:hover {
    color: #fff;
    background: rgba(200, 16, 46, 0.15);
    padding-left: 1.5rem;
}

/* ---------- Sub-dropdown (二级菜单) ---------- */
.site-nav__dropdown-item {
    position: relative;
}

.site-nav__sub-arrow {
    margin-left: auto;
    font-size: 0.6rem !important;
    color: rgba(255, 255, 255, 0.45) !important;
    width: auto !important;
    flex-shrink: 0;
    transition: transform 0.2s ease, color 0.2s ease;
}

.site-nav__dropdown-item:hover .site-nav__sub-arrow {
    color: var(--clr-primary) !important;
    transform: translateX(3px);
}

.site-nav__subdropdown {
    position: absolute;
    top: 0;
    left: 100%;
    background: rgba(13, 13, 26, 0.97);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(200, 16, 46, 0.25);
    border-radius: var(--radius-md);
    min-width: 200px;
    padding: 0.5rem 0;
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
    transition: opacity 0.22s ease, transform 0.22s ease;
    box-shadow: var(--shadow-lg);
    z-index: 9100;
}

.site-nav__dropdown-item:hover .site-nav__subdropdown {
    opacity: 1;
    pointer-events: all;
    transform: translateX(0);
}

.site-nav__subdropdown-link {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.25rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--ease-fast);
    white-space: nowrap;
}

.site-nav__subdropdown-link i {
    color: var(--clr-primary);
    font-size: 0.65rem;
    width: 12px;
    flex-shrink: 0;
}

.site-nav__subdropdown-link:hover {
    color: #fff;
    background: rgba(200, 16, 46, 0.15);
    padding-left: 1.5rem;
}

/* Header Actions (right side) */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.header-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    transition: var(--ease-fast);
    font-size: 1rem;
}

.header-search-btn:hover {
    background: var(--clr-primary);
    color: #fff;
}

.header-cta-btn {
    padding: 0.6rem 1.4rem;
    font-size: 1.1rem;
    background: var(--clr-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: var(--ease-std);
    box-shadow: var(--shadow-red);
}

.header-cta-btn:hover {
    background: var(--clr-primary-dark);
    transform: translateY(-2px);
}

/* Mobile menu close button */
.nav-close {
    display: none;
}

/* Mobile menu toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.08);
    transition: var(--ease-fast);
}

.nav-toggle__bar {
    width: 22px;
    height: 2px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 2px;
    transition: var(--ease-std);
    transform-origin: center;
}

.nav-toggle.open .nav-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open .nav-toggle__bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.nav-toggle.open .nav-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Search Overlay ---------- */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(13, 13, 26, 0.96);
    backdrop-filter: blur(20px);
    z-index: -1;
    padding: calc(1.5rem + 126px) var(--page-px) 1.5rem;
    transform: translateY(-110%);
    transition: transform 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
}

.search-overlay.active {
    transform: translateY(0);
}

/* .site-header.scrolled .search-overlay {
  padding: calc(1.5rem + 76px) var(--page-px) 1.5rem;
} */
.search-overlay__inner {
    max-width: 700px;
    margin-inline: auto;
    position: relative;
}

.search-overlay__input {
    width: 100%;
    padding: 1.1rem 4rem 1.1rem 1.5rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(200, 16, 46, 0.4);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 1.1rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.25s;
}

.search-overlay__input:focus {
    border-color: var(--clr-primary);
}

.search-overlay__input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.search-overlay__submit {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 1rem;
    padding: 0.5rem;
    transition: var(--ease-fast);
}

.search-overlay__submit:hover {
    color: var(--clr-primary);
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
    .site-nav__link {
        padding: 0.5rem 0.85rem;
        font-size: 0.92rem;
    }
}

@media (max-width: 1024px) {
    .site-topbar {
        display: none !important;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-close {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.08);
        color: rgba(255, 255, 255, 0.9);
        border: none;
        border-radius: var(--radius-sm);
        font-size: 1.25rem;
        cursor: pointer;
        transition: var(--ease-fast);
        z-index: 10;
    }

    .nav-close:hover {
        background: var(--clr-primary);
        color: #fff;
    }

    .site-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(320px, 85vw);
        background: var(--clr-secondary);
        flex-direction: column;
        align-items: stretch;
        padding: 5rem 0 2rem;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        overflow-y: auto;
        z-index: 8800;
        box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
    }

    .site-nav.open {
        transform: translateX(0);
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .site-nav__link {
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        justify-content: space-between;
    }

    .site-nav__link::after {
        display: none;
    }

    .site-nav__dropdown {
        position: static;
        transform: none;
        opacity: 1;
        pointer-events: all;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.04);
        display: none;
        padding: 0;
        min-width: unset;
    }

    .site-nav__item.dropdown-open .site-nav__dropdown {
        display: block;
        transform: none;
    }

    .site-nav__dropdown-link {
        padding-left: 2.5rem;
    }

    /* 移动端二级菜单 */
    .site-nav__subdropdown {
        position: static;
        transform: none;
        opacity: 1;
        pointer-events: all;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: rgba(255, 255, 255, 0.04);
        display: none;
        padding: 0;
        min-width: unset;
    }

    .site-nav__dropdown-item.subdropdown-open .site-nav__subdropdown {
        display: block;
    }

    .site-nav__subdropdown-link {
        padding-left: 3.5rem;
    }

    .site-nav__sub-arrow {
        transition: transform 0.25s ease;
    }

    .site-nav__dropdown-item.subdropdown-open .site-nav__sub-arrow,
    .site-nav__item.dropdown-open .site-nav__link .site-nav__sub-arrow {
        transform: rotate(90deg) !important;
    }

    .header-cta-btn {
        display: none;
    }

    .search-overlay {
        padding-top: calc(76px + 1.5rem);
    }
}

@media (max-width: 768px) {
    .topbar-info__item:not(:first-child) {
        display: none;
    }

    .topbar-social {
        display: none;
    }

    .site-mainbar {
        height: 64px;
    }

    .site-logo__img {
        height: 38px;
    }

    .site-logo__text {
        display: none;
    }

    .search-overlay {
        padding-top: calc(64px + 1.5rem) !important;
    }

    .site-nav__item:hover .site-nav__dropdown {
        transform: none;
    }

    .site-nav {
        box-shadow: none;
    }

    .site-nav.open {
        box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
    }

    .site-nav__item {
        height: fit-content;
    }
}

@media screen and (min-width: 1024px) {
    .site-nav__item .site-nav__link .site-nav__sub-arrow {
        display: none;
    }
}

@media (max-width: 480px) {
    .site-logo__name {
        font-size: 1.05rem;
    }
}


/* footer */
/* ============================================================
   FOOTER.CSS - CTA Banner + Footer
   TIANJIN FRIENDSTEEL GROUP
   ============================================================ */

/* ---------- CTA Banner ---------- */
/* ---------- CTA Banner ---------- */
.cta-banner {
    background: var(--clr-dark);
    /* Deep Carbon */
    position: relative;
    overflow: hidden;
    padding: clamp(4rem, 8vh, 6rem) 0;
    /* border-top: 2px solid var(--clr-primary); */
}

/* .cta-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(200, 16, 46, 0.08) 25%, transparent 25%) -50px
      0,
    linear-gradient(225deg, rgba(200, 16, 46, 0.08) 25%, transparent 25%) -50px
      0,
    linear-gradient(315deg, rgba(200, 16, 46, 0.08) 25%, transparent 25%),
    linear-gradient(45deg, rgba(200, 16, 46, 0.08) 25%, transparent 25%);
  background-size: 100px 100px;
  opacity: 0.4;
  pointer-events: none;
} */

/* .cta-banner::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to right,
    #0d1117 0%,
    transparent 50%,
    #0d1117 100%
  );
  pointer-events: none;
} */

.cta-banner__inner {
    max-width: var(--max-width);
    margin-inline: auto;
    padding: 0 2vw;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    position: relative;
    z-index: 1;
}

.cta-banner__text {
    flex: 1;
}

.cta-banner__label {
    display: inline-flex;
    align-items: center;
    /* gap: 0.5rem; */
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 0.5rem;
    font-family: var(--font-body);
}

.cta-banner__label i {
    font-size: 0.65rem;
}

.cta-banner__title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 800;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #fff;
    line-height: 1.1;
}

.cta-banner__sub {
    margin-top: 0.6rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.78);
    font-family: var(--font-body);
}

.cta-banner__actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.cta-banner .btn-white {
    background: #fff;
    color: var(--clr-primary);
    font-family: var(--font-display);
    font-weight: 800;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.9rem 2.2rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
    transition: var(--ease-std);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
}

.cta-banner .btn-white:hover {
    background: var(--clr-secondary);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
}

/* ---------- Contact Modal ---------- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal-box {
    background: var(--clr-bg-card);
    border-radius: var(--radius-lg);
    max-width: 620px;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.4);
    transform: translateY(24px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    max-height: 90vh;
    overflow-y: auto;
}

.modal-overlay.active .modal-box {
    transform: translateY(0) scale(1);
}

.modal-header {
    background: linear-gradient(135deg,
            var(--clr-secondary) 0%,
            var(--clr-slate) 100%);
    padding: 2rem 2rem 1.75rem;
    position: relative;
}

.modal-header__label {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-bottom: 0.4rem;
    font-family: var(--font-body);
}

.modal-header__title {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    text-transform: uppercase;
    color: #fff;
    line-height: 1.1;
}

.modal-header__sub {
    margin-top: 0.4rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.modal-close {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: rgba(255, 255, 255, 0.75);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--ease-fast);
}

.modal-close:hover {
    background: var(--clr-primary);
    color: #fff;
    transform: rotate(180deg);
}

.modal-body {
    padding: 2rem;
}

.modal-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-group--full {
    grid-column: 1 / -1;
}

.form-label {
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    font-family: var(--font-body);
}

.form-input,
.form-select,
.form-textarea {
    padding: 0.75rem 1rem;
    background: var(--clr-bg-section);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    color: var(--clr-text);
    outline: none;
    transition:
        border-color 0.25s,
        box-shadow 0.25s;
    font-family: var(--font-body);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 3px var(--clr-primary-glow);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    grid-column: 1 / -1;
    margin-top: 0.5rem;
}

.form-submit .btn {
    width: 100%;
    justify-content: center;
    padding: 1rem;
    font-size: 1rem;
}

/* ---------- Site Footer ---------- */
.site-footer {
    background: var(--clr-dark);
    color: rgba(255, 255, 255, 0.75);
    /* padding-top: 5rem; */
}

.footer-main {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--page-px);
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 3rem;
    padding-bottom: 3.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Brand column */
.footer-brand__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    text-decoration: none;
}

.footer-brand__logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.footer-brand__logo-text {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #fff;
}

.footer-brand__desc {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 1.5rem;
}

.footer-brand__info {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

.footer-contact-item i {
    color: var(--clr-primary);
    font-size: 0.8rem;
    margin-top: 0.2em;
    flex-shrink: 0;
    width: 14px;
}

.footer-contact-item a {
    color: inherit;
    transition: color 0.2s;
}

.footer-contact-item a:hover {
    color: #fff;
}

/* Footer columns */
.footer-col__heading {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1.25rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--clr-primary);
    display: inline-block;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.footer-links a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.55);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--ease-fast);
}

.footer-links a::before {
    content: "";
    width: 6px;
    height: 1.5px;
    background: var(--clr-primary);
    flex-shrink: 0;
    transition: width 0.2s;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-links a:hover::before {
    width: 10px;
}

/* Newsletter / Social */
.footer-social {
    display: flex;
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.footer-social__link {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.875rem;
    transition: var(--ease-fast);
}

.footer-social__link:hover {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: #fff;
    transform: translateY(-3px);
}

/* Certificates / badges */
.footer-certs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.footer-cert-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.75rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 40px;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

.footer-cert-badge i {
    color: var(--clr-accent-gold);
    font-size: 0.65rem;
}

/* Footer Bottom */
.footer-bottom {
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--page-px);
    padding-block: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.footer-bottom__copy {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom__links {
    display: flex;
    gap: var(--space-sm);
}

.footer-bottom__links a {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.2s;
}

.footer-bottom__links a:hover {
    color: rgba(255, 255, 255, 0.8);
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
    .footer-main {
        grid-template-columns: 1.4fr 1fr 1fr;
    }

    .footer-col:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .cta-banner__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .cta-banner__actions {
        width: 100%;
    }

    .modal-form {
        grid-template-columns: 1fr;
    }

    .form-group--full {
        grid-column: unset;
    }

    .form-submit {
        grid-column: unset;
    }
}

@media (max-width: 480px) {
    .footer-main {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .cta-banner {
        padding-block: 2.5rem;
    }
}


/* index */
/* ============================================================
   INDEX.CSS - Homepage Section-Specific Styles
   TIANJIN FRIENDSTEEL GROUP
   ============================================================ */

/* ================================================================
   1. BANNER SECTION
   ================================================================ */
.banner {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: flex-start;
    overflow: hidden;
}

.banner__video-wrap {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.banner__video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.banner__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(110deg,
            rgba(6, 6, 18, 0.7) 0%,
            rgba(10, 10, 22, 0.6) 55%,
            rgba(10, 10, 22, 0.3) 100%),
        linear-gradient(to top, rgba(6, 6, 18, 0.2) 0%, transparent 55%);
    z-index: 1;
}

.banner__content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin-inline: auto;
    padding-inline: var(--page-px);
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* gap: 5rem; */
}

/* ── Eyebrow ─────────────────────────────────── */
.banner__eyebrow {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: clamp(0.75rem, 2.5vh, 2.5rem);
    flex-shrink: 0;
    animation: fadeUp 0.6s ease 0.1s both;
}

.banner__eyebrow-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--clr-primary);
    flex-shrink: 0;
    box-shadow:
        0 0 0 3px rgba(200, 16, 46, 0.22),
        0 0 0 6px rgba(200, 16, 46, 0.08);
}

.banner__eyebrow-text {
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.5);
    white-space: nowrap;
}

.banner__eyebrow-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.1), transparent);
    max-width: 380px;
}

/* ── Layout row ──────────────────────────────── */
.banner__layout {
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
}

/* ── Side column (vertical branding) ─────────── */
.banner__side-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    flex-shrink: 0;
    padding-top: 0.75rem;
    animation: fadeIn 0.8s ease 0.25s both;
}

.banner__side-brand {
    font-family: var(--font-display);
    font-size: 0.58rem;
    font-weight: 900;
    letter-spacing: 0.38em;
    text-transform: uppercase;
    color: var(--clr-primary);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.banner__side-vline {
    width: 1px;
    height: 140px;
    background: linear-gradient(to bottom,
            var(--clr-primary) 0%,
            rgba(255, 255, 255, 0.06) 100%);
}

.banner__side-year {
    font-family: var(--font-display);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: rgba(255, 255, 255, 0.18);
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

/* ── Main text column ────────────────────────── */
.banner__main-col {
    flex: 1;
    min-width: 0;
}

/* ── Giant title ─────────────────────────────── */
.banner__title {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin-bottom: 0;
    line-height: 0.88;
}

.banner__t-outline {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2.8rem, min(9vw, 10vh), 9.5rem);
    font-weight: 900;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: transparent;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.65);
    animation: fadeUp 0.8s ease 0.3s both;
}

.banner__t-solid {
    /* display: block; */
    font-family: var(--font-display);
    font-size: clamp(2.8rem, min(9vw, 10vh), 9.5rem);
    font-weight: 900;
    letter-spacing: -0.01em;
    text-transform: uppercase;
    color: #fff;
    animation: fadeUp 0.8s ease 0.45s both;
}

.banner__t-sub {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(1.1rem, min(2.8vw, 3vh), 2.8rem);
    font-weight: 300;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
    margin-top: 1rem;
    animation: fadeUp 0.8s ease 0.6s both;
}

.banner__t-sub em {
    font-style: normal;
    color: var(--clr-primary);
    font-weight: 800;
    letter-spacing: 0.06em;
}

/* ── Decoration ruler ────────────────────────── */
.banner__deco {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin: clamp(0.75rem, 2vh, 2.25rem) 0 clamp(0.5rem, 1.5vh, 1.75rem);
    animation: fadeUp 0.7s ease 0.65s both;
}

.banner__deco-dot {
    width: 10px;
    height: 10px;
    border: 2px solid var(--clr-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.banner__deco-lines {
    display: flex;
    align-items: center;
    gap: 4px;
}

.banner__deco-lines b {
    display: block;
    height: 1.5px;
    background: rgba(255, 255, 255, 0.18);
    border-radius: 1px;
    font-weight: normal;
}

.banner__deco-lines b:nth-child(1) {
    width: 40px;
}

.banner__deco-lines b:nth-child(2) {
    width: 22px;
}

.banner__deco-lines b:nth-child(3) {
    width: 10px;
}

.banner__deco-tag {
    font-family: var(--font-body);
    font-size: 0.67rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.6);
}

/* ── Description ─────────────────────────────── */
.banner__desc {
    font-size: clamp(0.82rem, 1.6vh, 1rem);
    line-height: 1.7;
    color: white;
    max-width: 540px;
    font-family: var(--font-body);
    animation: fadeUp 0.8s ease 0.75s both;
}

/* ── Actions ─────────────────────────────────── */
.banner__actions {
    margin-top: clamp(0.75rem, 2vh, 2rem);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    animation: fadeUp 0.8s ease 0.9s both;
}

/* ── Stats strip ─────────────────────────────── */
.banner__stats-strip {
    display: flex;
    align-items: stretch;
    /* margin-top: 3rem; */
    padding-top: clamp(0.75rem, 2vh, 2.5rem);
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    animation: fadeIn 1s ease 1.1s both;
    flex-shrink: 0;
    position: absolute;
    bottom: 3vh;
    left: 0;
    width: 100%;
}

.banner__stat {
    flex: 1;
    padding-right: 2.5rem;
    position: relative;
    text-align: center;
}

.banner__stat::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: rgba(255, 255, 255, 0.07);
}

.banner__stat:nth-child(2):after {
    display: none;
}

.banner__stat:last-child {
    padding-right: 0;
}

.banner__stat:last-child::after {
    display: none;
}

.banner__stat+.banner__stat {
    padding-left: 2.5rem;
}

.banner__stat-num {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, min(3.5vw, 5rem), 3rem);
    font-weight: 900;
    color: #fff;
    line-height: 1;
}

.banner__stat-num span {
    color: white;
}

.banner__stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.38);
    margin-top: 0.4rem;
    font-family: var(--font-body);
}

/* ── Scroll indicator ────────────────────────── */
.banner__scroll {
    position: absolute;
    bottom: 3vh;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.65rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    animation: fadeIn 1s ease 1.5s both;
    z-index: 2;
}

.banner__scroll-wheel {
    width: 22px;
    height: 36px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: 11px;
    display: flex;
    justify-content: center;
    padding-top: 5px;
}

.banner__scroll-dot {
    width: 3px;
    height: 7px;
    background: var(--clr-primary);
    border-radius: 2px;
    animation: scrollDot 1.5s ease infinite;
}

@keyframes scrollDot {

    0%,
    100% {
        transform: translateY(0);
        opacity: 1;
    }

    50% {
        transform: translateY(8px);
        opacity: 0.3;
    }
}

/* ── Banner responsive ───────────────────────── */
@media (max-width: 1200px) {
    .banner__content {
        padding-top: 152px;
    }

    .banner__t-outline,
    .banner__t-solid {
        font-size: clamp(4rem, 11vw, 8rem);
    }
}

@media (max-width: 1024px) {
    .banner__content {
        padding-top: 86px;
    }

    .banner__side-col {
        display: none;
    }
}

@media (max-width: 768px) {
    .banner__content {
        padding-top: 66px;
        padding-bottom: 4rem;
    }

    .banner__eyebrow {
        flex-wrap: wrap;
        gap: 0.5rem;
    }

    .banner__eyebrow-line {
        display: none;
    }

    .banner__eyebrow-text {
        font-size: 0.62rem;
        letter-spacing: 0.12em;
        white-space: normal;
        line-height: 1.4;
    }

    .banner__t-outline,
    .banner__t-solid {
        font-size: clamp(3.5rem, 13vw, 6rem);
        -webkit-text-stroke-width: 1.5px;
    }

    .banner__t-sub {
        font-size: clamp(1.3rem, 4.5vw, 2rem);
    }

    .banner__stats-strip {
        flex-wrap: wrap;
        margin-top: 2.5rem;
        padding-top: 2rem;
    }

    .banner__stat {
        flex: 0 0 50%;
        padding: 0.5rem 1.5rem 1rem 0;
    }

    .banner__stat::after {
        display: none;
    }

    .banner__stat+.banner__stat {
        padding-left: 0;
    }
}

@media (max-width: 480px) {
    .banner__content {
        padding-top: 60px;
    }

    .banner__t-outline,
    .banner__t-solid {
        font-size: clamp(3rem, 15vw, 5rem);
    }

    .banner__actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .banner__deco-tag {
        display: none;
    }
}

/* ================================================================
   2. ADVANTAGES SECTION
   ================================================================ */
.advantages__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1px;
    /* background: var(--clr-border); */
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.adv-card {
    background: #fff;
    padding: 2.5rem 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.adv-card::before {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: var(--clr-primary);
    transition: width 0.4s ease;
}

.adv-card:hover {
    background: #fafafa;
    transform: translateY(-5px);
    z-index: 2;
    box-shadow: var(--shadow-md);
}

.adv-card:hover::before {
    width: 100%;
}

.adv-card__num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 900;
    color: rgba(0, 0, 0, 0.04);
    line-height: 1;
    position: absolute;
    top: 1rem;
    right: 1.25rem;
    user-select: none;
    transition: all 0.3s ease;
}

.adv-card:hover .adv-card__num {
    color: rgba(200, 16, 46, 0.5);
    transform: translateY(-5px);
}

.adv-card__icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--clr-primary);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1.25rem;
    transition: transform 0.3s ease;
}

.adv-card:hover .adv-card__icon {
    transform: scale(1.1) rotate(5deg);
}

.adv-card__title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--clr-secondary);
    margin-bottom: 1rem;
}

.adv-card__desc {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--clr-text-muted);
}

/* ================================================================
   3. PRODUCTS SECTION — Sticky Scroll Showcase
   ================================================================ */
.products {
    background: var(--clr-bg-dark);
}

/* .products::before {
  content: "";
   3. PRODUCTS SECTION — Sticky Scroll Showcase (Light Theme)
   ================================================================ */
.products {
    background: #fff;
}

.products__track {
    height: 90vh;
    position: relative;
    max-width: var(--max-width);
    margin: auto;
}

.products__sticky {
    height: 90vh;
    display: grid;
    grid-template-columns: 360px 1fr;
    overflow: hidden;
}

/* ── Left nav panel ──────────────────────────── */
.products__panel-left {
    /* background: var(--clr-bg-section); */
    padding: clamp(6rem, 13vh, 9rem) 2.5rem clamp(2rem, 3vh, 3rem);
    display: flex;
    flex-direction: column;
    position: relative;
    /* border-right: 1px solid var(--clr-border); */
    overflow: hidden;
}

.products__header {
    /* margin-bottom: clamp(1.5rem, 3vh, 2.5rem); */
    flex-shrink: 0;
}

.products__header .section-title {
    font-size: clamp(1.8rem, 4vh, 2.8rem) !important;
    color: var(--clr-secondary) !important;
}

.products__nav-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0;
    overflow: hidden;
}

.products__nav-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    padding: clamp(0.5rem, 1.2vh, 1rem) 0.5rem clamp(0.5rem, 1.2vh, 1rem) 1rem;
    border: none;
    background: transparent;
    color: var(--clr-text-muted);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid var(--clr-border);
    text-align: left;
    width: 100%;
    position: relative;
    text-decoration: none;
}

.products__nav-item::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--clr-primary);
    transition: width 0.3s ease;
}

.products__nav-item.active::before {
    width: 3px;
}

.products__nav-item.active {
    color: var(--clr-secondary);
    background: rgba(0, 0, 0, 0.02);
}

.products__nav-item:hover:not(.active) {
    color: var(--clr-secondary);
}

.products__nav-view-all {
    border-bottom: none;
    /* margin-top: 1rem; */
    background: rgba(200, 16, 46, 0.05);
    color: var(--clr-primary);
    padding: clamp(0.5rem, 1.2vh, 1rem) 0.5rem clamp(0.5rem, 1.2vh, 1rem) 1rem;
}

.products__nav-view-all:hover {
    background: var(--clr-primary);
    color: #fff;
}

.products__nav-num {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    color: var(--clr-border);
    flex-shrink: 0;
    min-width: 24px;
    transition: color 0.3s;
}

.products__nav-item.active .products__nav-num {
    color: var(--clr-primary);
}

.products__nav-view-all .products__nav-num {
    color: inherit;
}

.products__nav-name {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    flex: 1;
    line-height: 1.2;
}

.products__nav-arrow {
    font-size: 0.72rem;
    opacity: 0;
    transform: translateX(-6px);
    transition: all 0.25s ease;
    color: var(--clr-primary);
    flex-shrink: 0;
}

.products__nav-item.active .products__nav-arrow {
    opacity: 1;
    transform: translateX(0);
}

.products__nav-view-all .products__nav-arrow {
    opacity: 1;
    transform: none;
}

/* Progress bar */
.products__progress-track {
    position: absolute;
    right: 0;
    top: calc(5vh + 76px);
    bottom: 0;
    width: 3px;
    background: var(--clr-border);
}

.products__progress-fill {
    width: 100%;
    height: 0%;
    background: var(--clr-primary);
    transition: height 0.08s linear;
    position: relative;
}

/* ── Right showcase ──────────────────────────── */
.products__panel-right {
    position: relative;
    overflow: hidden;
    background: #fff;
}

.products__item {
    position: absolute;
    inset: 0;
    display: flex;
    padding: clamp(5rem, 10vh, 8rem) 2vw clamp(2rem, 5vh, 4rem) clamp(2.5rem, 4vw, 5rem);
    flex-direction: column;
    opacity: 0;
    pointer-events: none;
    transition:
        opacity 0.55s ease,
        transform 0.55s ease;
    transform: translateY(24px);
}

.products__item.active {
    opacity: 1;
    pointer-events: all;
    transform: translateY(0);
}

.products__item-bg {
    position: absolute;
    inset: 0;
    background: #fff;
}

/* Inner content */
.products__item-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 3rem;
    height: 100%;
}

.products__item-inner-left {
    flex: 0.8;
}

.products__item-inner-right {
    flex: 1.2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.products__item-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-md);
    transition: transform 0.5s cubic-bezier(0.2, 1, 0.3, 1);
}

.products__item-img:hover {
    transform: translateY(-10px);
}

.products__item-badge {
    display: inline-block;
    width: fit-content;
    padding: 0.2rem 0.75rem;
    background: rgba(200, 16, 46, 0.08);
    border: 1px solid rgba(200, 16, 46, 0.2);
    color: var(--clr-primary);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    border-radius: 40px;
    margin-bottom: clamp(0.6rem, 1.5vh, 1.25rem);
    font-family: var(--font-body);
}

.products__item-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 4.5rem);
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--clr-secondary);
    line-height: 0.95;
    margin-bottom: clamp(0.75rem, 2vh, 1.75rem);
}

.products__item-desc {
    font-size: clamp(0.82rem, 1.4vh, 1rem);
    line-height: 1.7;
    color: var(--clr-text-muted);
    max-width: 480px;
    margin-bottom: clamp(1rem, 2.5vh, 2rem);
    font-family: var(--font-body);
}

.products__item-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: clamp(1.25rem, 3vh, 2.5rem);
}

.products__item-specs span {
    display: inline-block;
    padding: 0.3rem 0.85rem;
    background: var(--clr-bg-section);
    border: 1px solid var(--clr-border);
    border-radius: 40px;
    font-size: 0.75rem;
    color: var(--clr-secondary);
    font-family: var(--font-body);
    font-weight: 500;
    letter-spacing: 0.04em;
}

.products__item-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: clamp(0.85rem, 1.5vh, 1rem);
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--clr-primary);
    transition: gap 0.2s;
    text-decoration: none;
}

.products__item-link:hover {
    gap: 0.8rem;
}

/* Counter */
.products__counter {
    position: absolute;
    bottom: 0;
    right: clamp(1.5rem, 3vw, 3rem);
    color: rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    z-index: 3;
}

.products__counter-current {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
}

.products__counter-sep {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 300;
}

.products__counter-total {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 900;
}

/* ── Internal Slider (Product 01) ───────────── */
.products__slider {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: relative;
}

.products__slider-track {
    display: flex;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.65, 0, 0.35, 1);
}

.products__slider-slide {
    flex: 0 0 100%;
    width: 100%;
    height: 100%;
}

.products__inner-nav {
    position: absolute;
    bottom: clamp(1.5rem, 3.5vh, 2.5rem);
    left: clamp(2.5rem, 4vw, 5rem);
    display: flex;
    gap: 2rem;
    z-index: 10;
}

.products__inner-btn {
    width: clamp(2.5rem, 5vh, 3.5rem);
    height: clamp(2.5rem, 5vh, 3.5rem);
    border-radius: 50%;
    border: 1px solid var(--clr-border);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    color: var(--clr-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.products__inner-btn:hover {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.products__inner-btn:active {
    transform: translateY(0);
}

/* ── Products responsive ─────────────────────── */
@media (max-width: 1100px) {
    .products__sticky {
        grid-template-columns: 300px 1fr;
    }

    .products__panel-left {
        padding-inline: 1.75rem;
    }

    .products__item-inner {
        gap: 2rem;
    }

    .products__inner-nav {
        right: calc(clamp(1.5rem, 3vw, 3rem) + 7rem);
    }
}

@media (max-width: 991px) {
    .products__item-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
    }

    .products__item-inner-right {
        width: 100%;
        height: auto;
    }

    .products__item-img-placeholder {
        aspect-ratio: 16/9;
    }

    .products__inner-nav {
        bottom: auto;
        top: clamp(5rem, 10vh, 8rem);
        right: 2rem;
    }
}

@media (max-width: 768px) {
    .products__track {
        height: auto !important;
    }

    .products__sticky {
        display: flex;
        flex-direction: column;
        height: auto !important;
        position: relative !important;
        top: 0 !important;
    }

    .products__panel-left {
        padding: 1.5rem 1rem 0.5rem;
        border-right: none;
        border-bottom: 1px solid var(--clr-border);
        flex-shrink: 0;
    }

    .products__nav-list {
        /* flex-direction: row; */
        overflow-x: auto;
        justify-content: flex-start;
        gap: 0.5rem;
        padding-bottom: 0.5rem;
        scrollbar-width: thin;
    }

    .products__nav-item {
        flex-direction: row;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem 1rem;
        border-bottom: none;
        border: 1px solid var(--clr-border);
        border-radius: 4px;
        min-width: max-content;
        white-space: nowrap;
    }

    .products__nav-item::before {
        display: none;
    }

    .products__nav-item.active {
        background: var(--clr-primary);
        border-color: var(--clr-primary);
        color: #fff !important;
    }

    .products__nav-item.active .products__nav-num {
        color: #fff !important;
    }

    .products__nav-name {
        font-size: 0.85rem;
    }

    .products__nav-arrow {
        display: none;
    }

    .products__progress-track {
        display: none;
    }

    .products__header {
        display: none;
    }

    .products__panel-right {
        position: relative;
        height: auto !important;
        min-height: 500px;
    }

    .products__item {
        position: relative !important;
        display: none !important;
        height: auto !important;
        opacity: 0;
        pointer-events: none;
        transform: none;
        padding: 2rem 1rem;
    }

    .products__item.active {
        display: flex !important;
        opacity: 1 !important;
        pointer-events: all !important;
    }

    .products__item-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 1.5rem;
        height: auto;
    }

    .products__item-inner-left {
        width: 100%;
        order: 1;
    }

    .products__item-inner-right {
        width: 100%;
        order: 2;
        height: auto;
    }

    .products__item-img {
        aspect-ratio: 1.5;
        object-fit: cover;
        width: 100%;
        height: auto;
        border-radius: var(--radius-sm);
    }

    .products__nav-view-all {
        margin-top: 0;
        border: 1px solid var(--clr-primary);
        border-radius: 4px;
        background: rgba(200, 16, 46, 0.05);
        min-width: max-content;
    }

    .products__slider,
    .products__slider-track,
    .products__slider-slide {
        height: auto !important;
    }

    .products__inner-nav {
        position: absolute !important;
        bottom: 2.5rem !important;
        right: 2.5rem !important;
        top: auto !important;
        left: auto !important;
        display: flex;
        gap: 0.5rem;
        z-index: 15;
    }
}

@media (max-width: 480px) {
    .products__item-inner {
        padding: 0 !important;
    }

    .products__item-title {
        font-size: clamp(1.7rem, 9vw, 2.8rem);
    }

    .products__counter {
        display: none;
    }
}

.products__tabs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
}

.products__tab {
    padding: 0.5rem 1.2rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    border: 1.5px solid var(--clr-border);
    border-radius: 40px;
    cursor: pointer;
    transition: var(--ease-fast);
    background: transparent;
}

.products__tab:hover,
.products__tab.active {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: #fff;
}

.products__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.product-card {
    background: #fff;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--ease-std);
    position: relative;
}

.product-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
}

.product-card__img-wrap {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: var(--clr-slate);
}

.product-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-card__img {
    transform: scale(1.06);
}

.product-card__img-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: linear-gradient(135deg,
            var(--clr-slate) 0%,
            var(--clr-slate-mid) 100%);
    color: rgba(255, 255, 255, 0.6);
}

.product-card__img-placeholder i {
    font-size: 3rem;
    color: rgba(200, 16, 46, 0.7);
}

.product-card__img-placeholder span {
    font-family: var(--font-display);
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.45);
}

.product-card__badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.25rem 0.7rem;
    background: var(--clr-primary);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 2px;
    font-family: var(--font-body);
}

.product-card__body {
    padding: 1.5rem;
}

.product-card__title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--clr-secondary);
    margin-bottom: 0.6rem;
    transition: color 0.2s;
}

.product-card:hover .product-card__title {
    color: var(--clr-primary);
}

.product-card__desc {
    font-size: 0.85rem;
    color: var(--clr-text-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.product-card__specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

.spec-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    background: var(--clr-bg-section);
    border: 1px solid var(--clr-border);
    border-radius: 40px;
    font-size: 0.72rem;
    color: var(--clr-text-muted);
    font-family: var(--font-body);
    font-weight: 500;
}

.product-card__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--clr-primary);
    transition: gap 0.2s;
}

.product-card__link:hover {
    gap: 0.7rem;
}

.products__footer {
    text-align: center;
    margin-top: var(--space-xl);
}

/* ================================================================
   4. APPLICATION FIELDS (Redesigned: Avant-Garde v2)
   ================================================================ */
/* ── Section Utilities ────────────────────────── */
.section-header--center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

/* ================================================================
   4. APPLICATIONS SECTION (Redesigned v3: Symmetrical & Interactive)
   ================================================================ */
/* ================================================================
   4. APPLICATIONS SECTION (Redesigned v4: Horizontal Sliding Door)
   ================================================================ */
.apps-v4 {
    padding-top: var(--space-xxl);
    /* background: var(--clr-bg-section); */
    overflow: hidden;
}

.apps-v4__accordion {
    display: flex;
    height: clamp(30rem, 60vh, 45rem);
    width: 100%;
    gap: 0;
    overflow: hidden;
    border-top: 1px solid var(--clr-border);
    border-bottom: 2px solid var(--clr-primary);
}

.apps-v4__item {
    position: relative;
    flex: 1;
    height: 100%;
    overflow: hidden;
    transition: flex 0.7s cubic-bezier(0.2, 1, 0.3, 1);
    cursor: pointer;
    border-right: 1px solid rgba(0, 0, 0, 0.05);
}

.apps-v4__item:last-child {
    border-right: none;
}

.apps-v4__item.active,
.apps-v4__item:hover {
    flex: 3.5;
}

/* ── Background & Overlay ────────────────────── */
.apps-v4__bg {
    position: absolute;
    inset: 0;
    z-index: 1;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.apps-v4__bg .placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: #dee2e6;
    background: #f8f9fa;
    transition: transform 0.8s ease;
}

.apps-v4__item:hover .apps-v4__bg .placeholder {
    transform: scale(1.1);
}

.apps-v4__bg .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
}

.apps-v4__item.active .apps-v4__bg .overlay {
    background: rgba(0, 0, 0, 0.3);
}

/* ── Content ─────────────────────────────────── */
.apps-v4__content {
    position: absolute;
    inset: 0;
    z-index: 5;
    padding: 3vw;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #fff;
    pointer-events: none;
}

.apps-v4__info .num {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--clr-primary);
    margin-bottom: 0.75rem;
    display: block;
}

.apps-v4__info .title {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 2.8vw, 2.2rem);
    font-weight: 900;
    text-transform: uppercase;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    white-space: nowrap;
    transition: all 0.3s ease;
}

/* Rotated title when collapsed */
.apps-v4__item:not(.active):not(:hover) .title {
    /* transform: translateX(-2rem); */
    transform-origin: left bottom;
    margin-bottom: 0;
    opacity: 0;
}

/* ── Details (Visible only when expanded) ─────── */
.apps-v4__info .details {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.2, 1, 0.3, 1);
    transform: translateY(20px);
}

.apps-v4__item.active .details,
.apps-v4__item:hover .details {
    max-height: 400px;
    opacity: 1;
    transform: translateY(0);
    margin-top: 1rem;
}

.details p {
    font-size: 1rem;
    line-height: 1.6;
    /* color: rgba(255, 255, 255, 0.7); */
    margin-bottom: 2rem;
    max-width: 480px;
}

.details .specs {
    list-style: none;
    padding: 0;
    margin-bottom: 2.5rem;
}

.details .specs li {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.details .specs i {
    /* color: var(--clr-primary); */
    font-size: 0.7rem;
}

/* ── Apps v4 Responsive ──────────────────────── */
@media (max-width: 1024px) {
    .apps-v4 {
        padding-bottom: 0;
    }

    .apps-v4__accordion {
        height: auto;
        flex-direction: column;
        border-bottom: none;
    }

    .apps-v4__item {
        flex: none;
        height: 420px;
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    }

    .apps-v4__item.active,
    .apps-v4__item:hover {
        flex: none;
        height: 420px;
    }

    .apps-v4__bg {
        background-attachment: scroll !important;
    }

    .apps-v4__bg .overlay {
        background: rgba(0, 0, 0, 0.55) !important;
    }

    .apps-v4__info .title {
        white-space: normal !important;
        opacity: 1 !important;
        transform: none !important;
        margin-bottom: 1.25rem !important;
    }

    .apps-v4__info .details {
        max-height: none !important;
        opacity: 1 !important;
        transform: none !important;
        margin-top: 1rem !important;
    }
}

/* ================================================================
   5. ABOUT SECTION (Redesigned: Magazine Cover Style)
   ================================================================ */
.about-v3 {
    padding: 7rem 0 var(--space-xxl);
    background: var(--clr-bg-section);
}

.about-v3__layout {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 5rem;
    align-items: center;
}

/* ── Content Area ────────────────────────────── */
.about-v3__header {
    margin-bottom: 2.5rem;
}

.about-v3__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vh, 4rem);
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
    color: var(--clr-secondary);
}

.about-v3__title .primary {
    color: var(--clr-primary);
}

.about-v3__body .lead {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.5;
    color: var(--clr-secondary);
    margin-bottom: 1.5rem;
}

.about-v3__body .text {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--clr-text-muted);
    margin-bottom: 1.5rem;
}

/* ── Structured Stats ────────────────────────── */
.about-v3__stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    padding-block: 1.5rem;
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
    margin-bottom: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-item .num {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--clr-primary);
    line-height: 1;
}

.stat-item .label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--clr-text-muted);
    margin-top: 0.6rem;
}

.about-v3__actions {
    display: flex;
    align-items: center;
}

/* ── Visual Area ─────────────────────────────── */
.about-v3__visual {
    position: relative;
}

.about-v3__image-container {
    position: relative;
    aspect-ratio: 4/3;
    background: var(--clr-bg-section);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-v3__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.2, 1, 0.3, 1);
}

.about-v3__image-container:hover .about-v3__img {
    transform: scale(1.05);
}

.about-v3__badge {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--clr-secondary);
    color: #fff;
    padding: 1.75rem 2.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.about-v3__badge i {
    font-size: 1.75rem;
    color: var(--clr-primary);
}

.about-v3__badge span {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ── About v3 Responsive ─────────────────────── */
@media (max-width: 1100px) {
    .about-v3__layout {
        grid-template-columns: 1fr;
        gap: 5rem;
    }

    .about-v3__visual {
        order: -1;
    }

    .about-v3__image-container {
        aspect-ratio: 16/9;
    }

    .about-v3__image-container .placeholder {
        font-size: 6rem;
    }
}

@media (max-width: 768px) {
    .about-v3__stats {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding-block: 2rem;
    }

    .about-v3__actions {
        flex-direction: column;
        gap: 1.25rem;
    }

    .about-v3__actions .btn {
        width: 100%;
        justify-content: center;
        margin-left: 0 !important;
    }
}

/* ================================================================
   6. NEWS SECTION
   ================================================================ */
.news {
    padding-block: var(--space-xxl);
    /* background: var(--clr-bg-section); */
}

.news__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: start;
}

/* Featured news card (left) */
.news-featured {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 0px 5px rgba(0, 0, 0, 0.15);
    height: 100%;
    min-height: 500px;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: var(--ease-std);
    justify-content: flex-end;
}

.news-featured:hover {
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
}

.news-featured__img {
    width: 100%;
    height: 100%;
    overflow: hidden;
    position: absolute;
    z-index: -1;
    flex-shrink: 0;
}

.news-featured__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.2, 1, 0.3, 1);
}

.news-featured:hover .news-featured__img img {
    transform: scale(1.08);
}

.news-featured__body {
    padding: 2rem;
    height: fit-content;
    display: flex;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.5);
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.news-cat {
    display: inline-block;
    padding: 0.2rem 0.7rem;
    background: var(--clr-primary);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 2px;
    font-family: var(--font-body);
}

.news-date {
    font-size: 0.78rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    font-family: var(--font-body);
}

.news-date i {
    font-size: 0.7rem;
}

.news-featured__title {
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 1rem;
    transition: color 0.2s;
}

.news-featured:hover .news-featured__title {
    color: var(--clr-primary-light);
}

.news-featured__excerpt {
    font-size: 0.875rem;
    color: white;
    line-height: 1.7;
    flex: 1;
}

.news-featured__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-top: 1.5rem;
    transition: gap 0.2s;
}

.news-featured__link:hover {
    gap: 0.7rem;
}

/* News list (right) */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.news-item {
    display: flex;
    gap: 1.25rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--clr-border);
    cursor: pointer;
    transition: var(--ease-fast);
    align-items: flex-start;
}

.news-item:first-child {
    padding-top: 0;
}

.news-item:hover {
    padding-left: 0.5rem;
}

.news-item__img {
    width: 90px;
    height: 70px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
    background: var(--clr-slate);
}

.news-item__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.news-item:hover .news-item__img img {
    transform: scale(1.1);
}

.news-item__body {
    flex: 1;
}

.news-item__cat {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-primary);
    margin-bottom: 0.3rem;
    font-family: var(--font-body);
}

.news-item__title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--clr-secondary);
    line-height: 1.25;
    margin-bottom: 0.4rem;
    transition: color 0.2s;
}

.news-item:hover .news-item__title {
    color: var(--clr-primary);
}

.news-item__date {
    font-size: 0.75rem;
    color: var(--clr-text-muted);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.news-item__date i {
    font-size: 0.68rem;
}

.news-list__footer {
    margin-top: 1.75rem;
    text-align: center;
}

/* ================================================================
   7. RESPONSIVE
   ================================================================ */
@media (max-width: 1200px) {
    .advantages__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .products__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .banner__stats {
        position: static;
        display: flex;
        flex-wrap: wrap;
        margin-top: var(--space-lg);
        animation: none;
    }

    .banner__stats .banner__stat {
        border-left-color: rgba(255, 255, 255, 0.3);
    }

    .news__grid {
        grid-template-columns: 1fr;
    }

    .news-featured {
        min-height: auto;
    }

    .news-featured__img {
        height: 240px;
    }
}

@media (max-width: 768px) {
    .products__grid {
        grid-template-columns: 1fr;
    }

    .advantages__grid {
        grid-template-columns: 1fr 1fr;
    }

    .banner__title {
        font-size: clamp(2.2rem, 9vw, 3.5rem);
    }

    .banner {
        height: auto;
        padding: 3rem 0;
    }

    .banner__stats-strip {
        position: static;
    }
}

@media (max-width: 480px) {
    .advantages__grid {
        grid-template-columns: 1fr;
    }

    .banner__actions {
        flex-direction: column;
        align-items: flex-start;
    }

    .banner__stats {
        gap: 1rem;
    }

    .products__tabs {
        gap: 0.3rem;
    }
}

/* products */

/* ============================================================
   PRODUCTS.CSS - Products Listing Page Specific Styles
   TIANJIN FRIENDSTEEL GROUP
   ============================================================ */

/* ---------- 1. PRODUCTS BANNER ---------- */
.p-banner {
    background:
        linear-gradient(to bottom, rgba(13, 17, 23, 0.8), rgba(13, 17, 23, 0.6)),
        url("../images/about/Tianjin Friend Import＆Export Co., Ltd.webp") center/cover no-repeat fixed;
    color: #fff;
    padding: 12rem 0 6rem;
    position: relative;
    overflow: hidden;
}

.p-banner__layout {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.p-banner__eyebrow {
    color: var(--clr-primary);
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
}

.p-banner__title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.p-banner__desc {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
}

/* Advantages inside banner */
.p-banner__adv {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.p-adv-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-left: 3px solid var(--clr-primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: transform 0.3s ease;
}

.p-adv-item:hover {
    transform: translateX(10px);
    background: rgba(255, 255, 255, 0.15);
}

.p-adv-item__title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.p-adv-item__text {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
}

/* ---------- 2. MAIN PRODUCTS SECTION ---------- */
.p-main {
    background: #fff;
    padding: 5rem 0;
}

.p-main__layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 4rem;
    align-items: flex-start;
    /* CRITICAL FOR STICKY */
}

/* Sidebar Components */
.p-main__sidebar {
    position: sticky;
    top: calc(var(--site-header-height, 100px) + 2rem);
}

.side-cta {
    margin-top: 2rem;
    padding: 2.5rem 2rem;
    /* background: rgba(0, 0, 0, 0.05); */
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.side-cta::before {
    content: "";
    position: absolute;
    top: -20%;
    right: -20%;
    width: 150px;
    height: 150px;
    background: var(--clr-primary);
    opacity: 0.1;
    border-radius: 50%;
}

.side-cta__title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--clr-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.side-cta__text {
    font-size: 0.9rem;
    opacity: 0.7;
    color: rgba(0, 0, 0, 0.5);
    margin-bottom: 1.5rem;
}

.side-cta .btn {
    width: 100%;
    justify-content: center;
}

/* Product Grid */
.p-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

/* Product Card Vertical Layout */
.p-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    /* border: 1px solid var(--clr-border); */
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
    transition: all 0.4s cubic-bezier(0.2, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.p-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-primary);
}

.p-card__img-wrap {
    aspect-ratio: 16/10;
    overflow: hidden;
    z-index: 10;
    position: relative;
}

.p-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.p-card:hover .p-card__img {
    transform: scale(1.08);
    opacity: 0.9;
}

.p-card__body {
    padding: 2.5rem 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.p-card:hover .p-card__body {
    background: linear-gradient(135deg,
            var(--clr-primary),
            var(--clr-primary-dark));
}

/* Light Swipe Effect Removed as per user request */
/* .p-card__body::after { ... } */

.p-card__title {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--clr-secondary);
    margin-bottom: 1rem;
    /* transition: color 0.3s ease; */
}

.p-card:hover .p-card__title {
    color: #fff;
}

.p-card__desc {
    font-size: 1rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
    flex: 1;
    /* transition: color 0.3s ease; */
}

.p-card:hover .p-card__desc {
    color: rgba(255, 255, 255, 0.6);
}

.p-card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--clr-border);
    /* transition: border-color 0.3s ease; */
}

.p-card:hover .p-card__footer {
    border-color: rgba(255, 255, 255, 0.1);
}

.p-card__btn {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--clr-primary);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    /* transition: all 0.3s ease; */
}

.p-card:hover .p-card__btn {
    color: #fff;
    gap: 0.75rem;
}

/* ---------- 3. SERVICE SPLIT LAYOUT (REDESIGN) ---------- */
.p-service {
    background:
        linear-gradient(to right, rgba(13, 17, 23, 0.8), rgba(13, 17, 23, 0.75)),
        url("../images/product-img.webp") fixed center/cover no-repeat;
    padding: 6rem 0;
    color: #fff;
}

.p-service__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

/* Left Content */
.p-service__info .section-label {
    color: var(--clr-primary);
    margin-bottom: 1.5rem;
}

.p-service__info .section-title {
    color: #fff;
    font-size: clamp(2.25rem, 4vw, 3.5rem);
    text-align: left;
    margin-bottom: 2rem;
    line-height: 1.1;
}

.p-service__desc {
    font-size: 1.15rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 3rem;
}

.p-service__checklist {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.p-check-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}

.p-check-item i {
    color: var(--clr-primary);
    font-size: 1.1rem;
}

.p-service__actions {
    display: flex;
    gap: 1.5rem;
}

/* Right List */
.p-service__list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.p-service-card {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    transition: all 0.4s ease;
    text-align: left;
    box-shadow: none;
}

.p-service-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--clr-primary);
    transform: translateX(15px);
}

.p-service-card__icon {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    background: rgba(193, 23, 28, 0.1);
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    font-size: 2rem;
    transition: all 0.3s ease;
    margin-bottom: 0;
    /* Override old center style */
}

.p-service-card:hover .p-service-card__icon {
    background: var(--clr-primary);
    color: #fff;
    transform: scale(1.1);
}

.p-service-card__body {
    flex: 1;
}

.p-service-card__title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: #fff;
}

.p-service-card__text {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}

/* ---------- 4. FAQ SECTION ---------- */
.p-faq {
    padding: 8rem 0;
    background: var(--clr-bg-section);
}

/* .p-faq__layout {
  max-width: 1000px;
  margin: 0 auto;
} */

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
    .p-main__layout {
        grid-template-columns: 280px 1fr;
        gap: 3rem;
    }

    .p-service__layout {
        gap: 3rem;
    }
}

@media (max-width: 1024px) {
    .p-banner__layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .p-main__layout {
        grid-template-columns: 1fr;
    }

    .p-main__sidebar {
        position: static;
    }

    .side-cta {
        display: none;
    }

    .p-service__layout {
        grid-template-columns: 1fr;
        gap: 5rem;
    }

    .p-service__info .section-title {
        text-align: center;
    }

    .p-service__desc {
        text-align: center;
    }

    .p-service__actions {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .p-grid {
        grid-template-columns: 1fr;
    }

    .p-service__checklist {
        grid-template-columns: 1fr;
    }

    .p-banner {
        padding: 10rem 0 6rem;
    }

    .p-main {
        padding: 3rem 0;
    }

    .p-main__sidebar {
        order: 2;
    }
}

/* ============================================================
   FORM.CSS - Fluent Form Styles & Optimizations
   TIANJIN FRIENDSTEEL GROUP
   ============================================================ */

/* ---------- Container & Layout ---------- */
.fluentform {
    width: 100%;
}

.fluentform form {
    width: 100%;
}

/* Flexbox container for row/column fields */
.fluentform .ff-t-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 0;
    /* Let cells or groups inside control the bottom margin */
    width: 100%;
}

.fluentform .ff-t-cell {
    flex: 1;
    min-width: 200px;
}

/* Handle specific cell basis style overrides if any, or support flex layout */
.fluentform .ff-t-cell[style*="flex-basis"] {
    /* Ensure responsiveness works nicely on mobile even with inline flex-basis */
    flex-grow: 1;
    flex-shrink: 1;
}

/* ---------- Groups & Spacing ---------- */
.fluentform .ff-el-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.fluentform .ff-el-group:last-child {
    margin-bottom: 0;
}

/* ---------- Labels ---------- */
.fluentform .ff-el-input--label {
    margin-bottom: 0.5rem;
    display: block;
}

.fluentform .ff-el-input--label label {
    font-family: var(--font-body), sans-serif;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--clr-text-muted);
    display: inline-block;
    cursor: pointer;
    transition: color var(--ease-fast);
}

.fluentform .ff-el-group:focus-within .ff-el-input--label label {
    color: var(--clr-primary);
}

/* Required field indicator */
.fluentform .ff-el-is-required .ff-el-input--label label::after {
    content: " *";
    color: var(--clr-primary);
    font-weight: 700;
    margin-left: 0.25rem;
}

/* ---------- Form Controls ---------- */
.fluentform .ff-el-form-control {
    width: 100%;
    padding: 0.85rem 1.1rem;
    font-family: var(--font-body), sans-serif;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--clr-text);
    background-color: var(--clr-bg-section);
    border: 1.5px solid var(--clr-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition: border-color var(--ease-fast), box-shadow var(--ease-fast), background-color var(--ease-fast);
}

/* Placeholders */
.fluentform .ff-el-form-control::placeholder {
    color: var(--clr-text-muted);
    opacity: 0.6;
}

/* Focus state */
.fluentform .ff-el-form-control:focus {
    background-color: #fff;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 4px var(--clr-primary-glow);
}

/* Textarea customization */
.fluentform textarea.ff-el-form-control {
    min-height: 140px;
    resize: vertical;
    line-height: 1.6;
}

/* ---------- Cloudflare Turnstile / Captcha ---------- */
.fluentform .ff-el-turnstile {
    margin: 0.5rem 0 1.25rem;
}

/* ---------- Submit Button ---------- */
.fluentform .ff_submit_btn_wrapper {
    margin-top: 1.5rem;
    margin-bottom: 0;
}

.fluentform button.ff-btn-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    padding: 1rem 2.2rem;
    font-family: var(--font-display), sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fff;
    background-color: var(--clr-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    box-shadow: var(--shadow-red);
    transition: background-color var(--ease-std), transform var(--ease-std), box-shadow var(--ease-std);
    position: relative;
    overflow: hidden;
}

/* Adding an icon/paper plane pseudo-element to match Get Quote CTA buttons if possible */
.fluentform button.ff-btn-submit::before {
    content: "\f1d8";
    /* fa-paper-plane */
    font-family: "GlobalZT Font Solid", "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 0.95rem;
}

.fluentform button.ff-btn-submit:hover {
    background-color: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 36px rgba(200, 16, 46, 0.4);
}

.fluentform button.ff-btn-submit:active {
    transform: translateY(0);
}

/* ---------- Validation Errors ---------- */
.fluentform .ff-el-group.ff-el-is-error .ff-el-form-control,
.fluentform .ff-el-form-control[aria-invalid="true"] {
    border-color: #d32f2f;
    background-color: rgba(211, 47, 47, 0.02);
}

.fluentform .ff-el-group.ff-el-is-error .ff-el-form-control:focus {
    box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.15);
}

.fluentform .ff-el-group.ff-el-is-error label {
    color: #d32f2f;
}

.fluentform .error-text,
.fluentform .ff-error,
.fluentform .error,
.fluentform .text-danger {
    display: block;
    color: #d32f2f;
    font-size: 0.825rem;
    margin-top: 0.35rem;
    font-weight: 500;
    animation: slideDown 0.25s ease-out;
}


/* ---------- Responsiveness ---------- */
@media (max-width: 768px) {
    .fluentform .ff-t-container {
        flex-direction: column;
        gap: 1.25rem;
    }

    .fluentform .ff-t-cell {
        width: 100%;
        flex-basis: 100% !important;
    }
}

/* ---------- 5. SIDEBAR SUBCATEGORIES ---------- */
.side-nav .side-nav__link {
    border-left: 3px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.side-nav .side-nav__link:hover,
.side-nav .side-nav__link.active {
    background: rgba(200, 16, 46, 0.04);
    color: var(--clr-primary);
    border-left-color: var(--clr-primary);
}

.side-nav .side-nav__link i {
    font-size: 0.8rem;
    opacity: 0.6;
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.side-nav .side-nav__link:hover i {
    transform: translateX(4px);
    opacity: 1;
    color: var(--clr-primary);
}

.side-nav__link-container {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.side-nav__link-container .side-nav__link {
    flex: 1;
    padding-right: 3.25rem;
}

.side-nav__link-container:hover .side-nav__link,
.side-nav__link-container .side-nav__link.active {
    background: rgba(200, 16, 46, 0.04);
    color: var(--clr-primary);
    border-left-color: var(--clr-primary);
}

.side-nav__toggle {
    position: absolute;
    right: 0.65rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--clr-text-muted);
    cursor: pointer;
    z-index: 2;
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    border-radius: 50%;
}

.side-nav__toggle:hover {
    background: rgba(200, 16, 46, 0.08);
    color: var(--clr-primary);
}

.side-nav__toggle i {
    font-size: 0.8rem;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.side-nav__item.expanded .side-nav__toggle i {
    transform: rotate(90deg);
}

.side-nav__sub-list {
    list-style: none;
    margin-left: 1.65rem;
    border-left: 1.5px solid rgba(200, 16, 46, 0.08);
    display: none;
    overflow: hidden;
}

.side-nav__item.expanded .side-nav__sub-list {
    display: block;
}

.side-nav__sub-link {
    display: block;
    padding: 0.45rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--clr-text-muted);
    border-radius: var(--radius-sm);
    transition: all 0.25s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
}

.side-nav__sub-link:hover,
.side-nav__sub-link.active {
    color: var(--clr-primary);
    padding-left: 1.5rem;
}

.side-nav__sub-link:hover::before,
.side-nav__sub-link.active::before {
    background-color: var(--clr-primary);
    width: 8px;
    height: 8px;
    left: -1.41rem;
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.15);
}


/* ---------- Pagination ---------- */
.pagination {
    margin-top: 4rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid var(--clr-border);
    background: #fff;
    color: var(--clr-secondary);
    font-family: var(--font-display);
    font-weight: 700;
    border-radius: var(--radius-sm);
    transition: all 0.3s ease;
    cursor: pointer;
}

.pagination-btn:hover {
    border-color: var(--clr-primary);
    color: var(--clr-primary);
    transform: translateY(-2px);
}

.pagination-btn.active {
    background: var(--clr-primary);
    border-color: var(--clr-primary);
    color: #fff;
    box-shadow: 0 4px 12px rgba(193, 23, 28, 0.2);
}

.pagination-btn.prev,
.pagination-btn.next {
    width: auto;
    padding: 0 1rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
@media (max-width: 600px) {
.pagination-btn.prev,
.pagination-btn.next{
    padding: 0 0.7rem;
}
}
.pagination-btn.prev i,
.pagination-btn.next i {
    font-size: 1rem;
}

nav[aria-label="breadcrumb"] {
    max-width: var(--max-width);
    margin-inline: auto;
    padding: 10px var(--page-px);
    width: 100%;
}