/* ==========================================================================
   DigitalTrendHub — Kurumsal Üniversite Yazılım Platformu Tasarım Sistemi
   ========================================================================== */

:root {
    --navy-950: #060D1A;
    --navy-900: #0B1528;
    --navy-800: #0F2042;
    --navy-700: #162B54;
    --blue-600: #1D4ED8;
    --sky-500: #0EA5E9;
    --teal-500: #14B8A6;
    --teal-400: #2DD4BF;

    --bg-page: #FFFFFF;
    --bg-subtle: #F8FAFC;
    --bg-muted: #F1F5F9;
    --border-light: #E2E8F0;
    --border-mid: #CBD5E1;

    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #64748B;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 12px 32px rgba(11, 21, 40, 0.08);
    --shadow-lg: 0 24px 48px rgba(11, 21, 40, 0.14);

    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
    --transition: 220ms cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-page);
    line-height: 1.65;
    font-size: 16px;
    overflow-x: clip;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--navy-900);
    color: #fff;
    padding: 10px 16px;
    z-index: 9999;
}
.skip-link:focus { left: 12px; top: 12px; border-radius: var(--radius-sm); }

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.section-subtle { background: var(--bg-subtle); border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
.section-dark { background: var(--navy-900); color: #F8FAFC; }

.section-header {
    max-width: 720px;
    margin-bottom: 48px;
}
.section-header.centered {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.eyebrow {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    max-width: 100%;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--sky-500);
    background: rgba(14, 165, 233, 0.08);
    border: 1px solid rgba(14, 165, 233, 0.2);
    padding: 6px 12px;
    border-radius: 999px;
    margin-bottom: 16px;
    line-height: 1.4;
}
.section-dark .eyebrow {
    color: var(--teal-400);
    background: rgba(45, 212, 191, 0.1);
    border-color: rgba(45, 212, 191, 0.25);
}

h1, h2, h3, h4 {
    font-family: var(--font-display);
    line-height: 1.2;
    margin: 0 0 14px;
    letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.1rem, 4.2vw, 3.35rem); font-weight: 800; }
h2 { font-size: clamp(1.65rem, 3vw, 2.35rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
p { margin: 0 0 16px; color: var(--text-secondary); }
.section-dark p { color: #CBD5E1; }

/* Icons */
.icon, .icon-sm, .icon-xs, .icon-xl { flex-shrink: 0; }
.icon-xs { width: 16px; height: 16px; }
.icon-sm { width: 20px; height: 20px; }
.icon { width: 24px; height: 24px; }
.icon-xl { width: 48px; height: 48px; opacity: 0.45; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 22px;
    border-radius: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.btn-sm { padding: 9px 16px; font-size: 14px; border-radius: 8px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-primary {
    background: linear-gradient(135deg, var(--navy-800) 0%, #15356E 100%);
    color: #fff;
    box-shadow: 0 4px 14px rgba(15, 32, 66, 0.22);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(15, 32, 66, 0.3); }

.btn-accent {
    background: linear-gradient(135deg, var(--sky-500) 0%, var(--teal-500) 100%);
    color: #fff;
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.28);
}
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(14, 165, 233, 0.36); }

.btn-outline {
    background: #fff;
    color: var(--navy-900);
    border-color: var(--border-mid);
}
.btn-outline:hover { background: var(--bg-subtle); border-color: var(--navy-800); }

.btn-ghost-light {
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.2);
}
.btn-ghost-light:hover { background: rgba(255, 255, 255, 0.14); }

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 14px;
    color: var(--navy-800);
    transition: gap var(--transition), color var(--transition);
}
.btn-link:hover { color: var(--sky-500); gap: 10px; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-light);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
    gap: 24px;
}
.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}
.brand-mark svg { width: 34px; height: 34px; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-family: var(--font-display); font-size: 17px; color: var(--navy-900); }
.brand-text small { font-size: 11px; color: var(--text-muted); font-weight: 500; }
.brand-light .brand-text strong { color: #fff; }
.brand-light .brand-text small { color: #94A3B8; }

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 2px;
    position: relative;
    transition: color var(--transition);
}
.main-nav a:hover, .main-nav a.is-active { color: var(--navy-900); font-weight: 600; }
.main-nav a.is-active::after {
    content: "";
    position: absolute;
    left: 0; right: 0; bottom: -2px;
    height: 2px;
    background: linear-gradient(90deg, var(--sky-500), var(--teal-500));
    border-radius: 2px;
}

.header-actions { display: flex; align-items: center; gap: 12px; }
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 9px 10px;
    cursor: pointer;
}
.mobile-toggle span { width: 20px; height: 2px; background: var(--navy-900); border-radius: 2px; }
.mobile-drawer {
    border-top: 1px solid var(--border-light);
    background: #fff;
    padding: 16px 24px 24px;
}
.mobile-nav { display: flex; flex-direction: column; gap: 10px; }
.mobile-nav a { padding: 10px 12px; border-radius: 8px; font-weight: 500; color: var(--text-primary); }
.mobile-nav a:hover { background: var(--bg-muted); }

/* Hero */
.hero {
    background: radial-gradient(circle at 85% 15%, rgba(14, 165, 233, 0.18), transparent 42%),
                radial-gradient(circle at 15% 80%, rgba(20, 184, 166, 0.12), transparent 40%),
                linear-gradient(160deg, var(--navy-950) 0%, var(--navy-900) 55%, var(--navy-800) 100%);
    color: #fff;
    padding: 88px 0 96px;
    position: relative;
    overflow: hidden;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.08fr 0.92fr;
    gap: 52px;
    align-items: center;
}
.hero-grid > * { min-width: 0; }
.hero h1 { color: #fff; margin-bottom: 20px; }
.hero-lead {
    font-size: 1.15rem;
    color: #CBD5E1;
    margin-bottom: 28px;
    max-width: 580px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 36px; }
.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    padding-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.metric-item strong {
    display: block;
    font-family: var(--font-display);
    font-size: 1.65rem;
    color: #fff;
}
.metric-item span { font-size: 13px; color: #94A3B8; }

/* Hero Visual Showcase */
.hero-showcase { position: relative; }
.device-frame {
    background: #0F172A;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.device-frame.light-frame {
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}
.device-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(15, 23, 42, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.light-frame .device-bar {
    background: var(--bg-muted);
    border-bottom: 1px solid var(--border-light);
}
.device-dots { display: flex; gap: 6px; }
.device-dots span { width: 9px; height: 9px; border-radius: 50%; background: rgba(148, 163, 184, 0.45); }
.device-url {
    margin-left: 8px;
    font-size: 12px;
    color: #94A3B8;
    background: rgba(255, 255, 255, 0.06);
    padding: 3px 10px;
    border-radius: 6px;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.light-frame .device-url { background: #fff; color: var(--text-muted); border: 1px solid var(--border-light); }
.device-screen { position: relative; overflow: hidden; background: #0B1528; }
.device-screen img { width: 100%; height: auto; display: block; }

.floating-preview {
    position: absolute;
    bottom: 24px;
    left: -28px;
    width: 48%;
    aspect-ratio: 16 / 10;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.22);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.42);
    overflow: hidden;
    background: #0B1528;
    z-index: 2;
}
.floating-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: opacity 260ms ease;
}
.hero-screen-box {
    aspect-ratio: 16 / 10;
}
.hero-screen-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: opacity 260ms ease;
}
.hero-slide-link {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--teal-400);
    white-space: nowrap;
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(45, 212, 191, 0.12);
}
.hero-slide-link:hover { background: rgba(45, 212, 191, 0.22); }
.hero-slider-controls {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 14px;
}
.hero-ctrl-btn {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
}
.hero-ctrl-btn:hover { background: rgba(255, 255, 255, 0.18); }
.hero-dots { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.hero-dot {
    width: 8px;
    height: 8px;
    padding: 0;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.28);
    cursor: pointer;
    transition: width 220ms ease, background 220ms ease;
}
.hero-dot.is-active {
    width: 22px;
    background: var(--teal-400);
}

/* Grids & Cards */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 18px; }

.category-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 24px 20px;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.category-card:hover {
    transform: translateY(-4px);
    border-color: rgba(14, 165, 233, 0.45);
    box-shadow: var(--shadow-md);
}
.category-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(14, 165, 233, 0.1);
    color: var(--navy-800);
}
.category-card h3 { font-size: 1.05rem; margin: 0; }
.category-card p { font-size: 13.5px; margin: 0; color: var(--text-muted); }

/* Product Card */
.product-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(14, 165, 233, 0.4);
}
.product-card-media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: var(--bg-muted);
    overflow: hidden;
    border-bottom: 1px solid var(--border-light);
}
.product-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transition: transform 400ms ease;
}
.product-card:hover .product-card-media img { transform: scale(1.03); }
.product-card-placeholder {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--navy-800);
}
.product-category-pill {
    position: absolute;
    top: 12px;
    left: 12px;
    font-size: 11.5px;
    font-weight: 600;
    background: rgba(11, 21, 40, 0.84);
    color: #fff;
    backdrop-filter: blur(6px);
    padding: 5px 10px;
    border-radius: 999px;
}
.product-card-body {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.product-card-head {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 10px;
}
.product-icon-badge {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--bg-muted);
    color: var(--navy-800);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.product-card-head h3 { font-size: 1.12rem; margin: 2px 0 0; }
.product-card-head h3 a:hover { color: var(--sky-500); }
.product-card-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 14px; }
.product-highlights {
    list-style: none;
    padding: 0;
    margin: 0 0 18px;
    display: flex;
    flex-direction: column;
    gap: 7px;
}
.product-highlights li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}
.product-highlights li svg { color: var(--teal-500); margin-top: 2px; }
.product-card-footer {
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}
.product-meta-tag { font-size: 12px; font-weight: 600; color: var(--text-muted); }

/* Feature / Benefit cards */
.feature-box {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 28px;
}
.section-dark .feature-box {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.1);
}
.feature-box-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(14, 165, 233, 0.12);
    color: var(--sky-500);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

/* Catalog Filter Bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}
.filter-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tab {
    background: var(--bg-muted);
    color: var(--text-secondary);
    border: 1px solid transparent;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}
.filter-tab:hover { color: var(--navy-900); border-color: var(--border-mid); }
.filter-tab.is-active {
    background: var(--navy-900);
    color: #fff;
}
.search-input {
    padding: 10px 14px;
    border: 1px solid var(--border-mid);
    border-radius: 10px;
    font-size: 14px;
    min-width: 260px;
    font-family: inherit;
}
.search-input:focus { outline: none; border-color: var(--sky-500); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15); }

/* Product Detail Page */
.page-hero {
    background: linear-gradient(160deg, var(--navy-950) 0%, var(--navy-800) 100%);
    color: #fff;
    padding: 56px 0 64px;
}
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #94A3B8;
    margin-bottom: 18px;
}
.breadcrumb a:hover { color: #fff; }
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}
.detail-sidebar {
    position: sticky;
    top: 96px;
    background: var(--bg-subtle);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 24px;
}
.sidebar-list { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 10px; }
.sidebar-list li { font-size: 14px; color: var(--text-secondary); display: flex; justify-content: space-between; gap: 8px; border-bottom: 1px dashed var(--border-light); padding-bottom: 8px; }
.sidebar-list li strong { color: var(--text-primary); }

.detail-section { margin-bottom: 52px; scroll-margin-top: 96px; }
.detail-section h2 { font-size: 1.55rem; margin-bottom: 16px; }

.module-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.module-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px;
}
.module-card h3 { font-size: 1.05rem; margin-bottom: 8px; color: var(--navy-900); }
.module-card .module-need {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border-light);
    font-size: 13.5px;
    color: var(--text-muted);
}

/* Screenshot Gallery & Zoom */
.gallery-track {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}
.shot-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
}
.shot-trigger {
    position: relative;
    display: block;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
    text-align: left;
}
.shot-zoom-badge {
    position: absolute;
    right: 12px;
    bottom: 12px;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: rgba(11, 21, 40, 0.85);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 10px;
    border-radius: 8px;
}
.shot-caption { padding: 14px 16px; }
.shot-caption strong { display: block; font-size: 14.5px; margin-bottom: 4px; color: var(--navy-900); }
.shot-caption p { margin: 0; font-size: 13px; color: var(--text-muted); }

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(6, 13, 26, 0.9);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.lightbox[hidden] { display: none; }
.lightbox-close {
    position: absolute;
    top: 18px;
    right: 22px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 26px;
    cursor: pointer;
}
.lightbox-content { max-width: 1120px; width: 100%; text-align: center; }
.lightbox-content img {
    max-height: 78vh;
    width: auto;
    margin: 0 auto 14px;
    border-radius: 12px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}
.lightbox-caption { color: #E2E8F0; }
.lightbox-caption p { color: #94A3B8; margin: 4px 0 0; font-size: 14px; }

/* FAQ Accordion */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    background: #fff;
    overflow: hidden;
}
.faq-q {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    padding: 18px 20px;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 15.5px;
    color: var(--navy-900);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-a { padding: 0 20px 18px; font-size: 14.5px; color: var(--text-secondary); }

/* Forms */
.form-card {
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13.5px; font-weight: 600; color: var(--navy-900); }
.form-control {
    padding: 11px 14px;
    border: 1px solid var(--border-mid);
    border-radius: 9px;
    font-family: inherit;
    font-size: 14.5px;
    color: var(--text-primary);
    background: #fff;
}
.form-control:focus { outline: none; border-color: var(--sky-500); box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.14); }
textarea.form-control { min-height: 120px; resize: vertical; }

.alert {
    padding: 16px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 22px;
    font-size: 14.5px;
    border: 1px solid transparent;
}
.alert-success { background: #ECFDF5; border-color: #A7F3D0; color: #065F46; }
.alert-warning { background: #FFFBEB; border-color: #FDE68A; color: #92400E; }
.alert-error { background: #FEF2F2; border-color: #FECACA; color: #991B1B; }

/* Footer */
.site-footer {
    background: var(--navy-950);
    color: #CBD5E1;
    padding: 68px 0 32px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 44px;
}
.footer-tagline { font-size: 14px; color: #94A3B8; margin-top: 14px; max-width: 340px; }
.site-footer h4 { color: #fff; font-size: 14.5px; margin-bottom: 14px; }
.footer-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 13.5px; color: #94A3B8; transition: color var(--transition); }
.footer-links a:hover { color: var(--teal-400); }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: #64748B;
}

/* Reveal animation */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 500ms ease, transform 500ms ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    * { scroll-behavior: auto !important; }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid, .detail-layout { grid-template-columns: 1fr; }
    .floating-preview { display: none; }
    .grid-5 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .container { padding: 0 18px; }
    .main-nav, .header-actions .btn { display: none; }
    .mobile-toggle { display: flex; }
    .section { padding: 56px 0; }
    .hero { padding: 56px 0 64px; }
    .hero-grid { grid-template-columns: minmax(0, 1fr); }
    .grid-3, .grid-2, .grid-5, .module-grid, .gallery-track, .form-grid, .footer-grid {
        grid-template-columns: minmax(0, 1fr);
    }
    .hero-metrics { grid-template-columns: minmax(0, 1fr); gap: 12px; }
}