/* ==========================================================================
   OfficeFlow Premium Design System & Landing Page Stylesheet
   Supports Default Light Theme & Dynamic Dark Theme Toggle
   Strict 4-Color Palette: Emerald Teal, Deep Slate Navy, Ocean Cyan, Amber Gold
   ========================================================================== */

/* --------------------------------------------------------------------------
   Light Theme Tokens (Default)
   -------------------------------------------------------------------------- */
:root, [data-theme="light"] {
    --bg-main: #f8fafc;
    --bg-card: rgba(255, 255, 255, 0.9);
    --bg-card-hover: #ffffff;
    --bg-nav: rgba(255, 255, 255, 0.85);
    --bg-footer: rgba(241, 245, 249, 0.95);

    --primary-teal: #0d9488;
    --primary-teal-glow: #0f766e;
    --accent-navy: #1e293b;
    --accent-cyan: #0284c7;
    --accent-rose: #e11d48;
    --accent-amber: #d97706;

    --text-main: #0f172a;
    --text-muted: #475569;
    --text-dim: #64748b;

    --border-glass: rgba(15, 23, 42, 0.08);
    --border-glass-hover: rgba(13, 148, 136, 0.3);

    --font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    --shadow-glow-teal: 0 10px 30px rgba(13, 148, 136, 0.15);
    --shadow-glow-cyan: 0 10px 30px rgba(2, 132, 199, 0.15);
    --shadow-card: 0 15px 35px rgba(15, 23, 42, 0.06);
    --bg-grid-color: rgba(15, 23, 42, 0.04);
}

/* --------------------------------------------------------------------------
   Dark Theme Tokens
   -------------------------------------------------------------------------- */
[data-theme="dark"] {
    --bg-main: #090d16;
    --bg-card: rgba(18, 26, 43, 0.7);
    --bg-card-hover: rgba(28, 40, 65, 0.85);
    --bg-nav: rgba(9, 13, 22, 0.75);
    --bg-footer: rgba(9, 13, 22, 0.9);

    --primary-teal: #0d9488;
    --primary-teal-glow: #14b8a6;
    --accent-navy: #3b82f6;
    --accent-cyan: #06b6d4;
    --accent-rose: #f43f5e;
    --accent-amber: #f59e0b;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;

    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-hover: rgba(255, 255, 255, 0.2);

    --shadow-glow-teal: 0 0 35px rgba(13, 148, 136, 0.25);
    --shadow-glow-cyan: 0 0 35px rgba(6, 182, 212, 0.25);
    --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
    --bg-grid-color: rgba(255, 255, 255, 0.05);
}

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

html {
    scroll-behavior: smooth;
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    overflow-x: hidden;
    position: relative;
    background-color: var(--bg-main);
    min-height: 100vh;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Background Gradients & Glow Orbs */
.bg-ambient-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    background-image: 
        radial-gradient(circle at 15% 20%, rgba(13, 148, 136, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(2, 132, 199, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 50% 80%, rgba(15, 23, 42, 0.05) 0%, transparent 50%);
}

.bg-grid-pattern {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    opacity: 0.3;
    background-image: linear-gradient(to right, var(--bg-grid-color) 1px, transparent 1px),
                      linear-gradient(to bottom, var(--bg-grid-color) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* Utility Containers */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
}

/* Typography & Text Gradients */
.gradient-text-teal {
    background: linear-gradient(135deg, var(--primary-teal) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-navy {
    background: linear-gradient(135deg, #0f172a 0%, #0284c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .gradient-text-navy {
    background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-indigo {
    background: linear-gradient(135deg, #0f172a 0%, #0284c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] .gradient-text-indigo {
    background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Badges & Chips */
.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: var(--radius-full);
    background: rgba(13, 148, 136, 0.12);
    border: 1px solid rgba(13, 148, 136, 0.3);
    color: var(--primary-teal-glow);
    font-size: 0.875rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-teal);
    box-shadow: 0 0 10px var(--primary-teal);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.7); }
    70% { transform: scale(1.1); box-shadow: 0 0 0 10px rgba(13, 148, 136, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 148, 136, 0); }
}

/* Glassmorphism Navigation Header */
.navbar-sticky {
    position: sticky;
    top: 16px;
    z-index: 100;
    transition: all 0.3s ease;
}

.nav-glass {
    background: var(--bg-nav);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-full);
    padding: 12px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-card);
    transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.5px;
}

.brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-main);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Custom Buttons & Theme Switcher */
.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .theme-toggle-btn {
    background: rgba(255, 255, 255, 0.08);
}

.theme-toggle-btn:hover {
    transform: rotate(20deg) scale(1.08);
    border-color: var(--border-glass-hover);
    color: var(--primary-teal);
}

.btn-glass {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.04);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .btn-glass {
    background: rgba(255, 255, 255, 0.05);
}

.btn-glass:hover {
    background: rgba(13, 148, 136, 0.1);
    border-color: var(--border-glass-hover);
    transform: translateY(-2px);
}

.btn-primary-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #0d9488 0%, #0284c7 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.35);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary-glow:hover {
    box-shadow: 0 6px 28px rgba(13, 148, 136, 0.55);
    transform: translateY(-2px);
}

/* Secondary Button - Executive Deep Slate Navy */
.btn-secondary-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 26px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.95rem;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.25);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-secondary-glow:hover {
    background: linear-gradient(135deg, #334155 0%, #1e293b 100%);
    box-shadow: 0 6px 28px rgba(15, 23, 42, 0.45);
    transform: translateY(-2px);
}

/* Hero Section */
.hero-section {
    padding: 90px 0 70px 0;
    text-align: center;
    position: relative;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -1.2px;
    margin: 24px auto;
    max-width: 920px;
    color: var(--text-main);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 680px;
    margin: 0 auto 36px auto;
    line-height: 1.6;
}

.hero-ctas {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* Interactive Hero Preview Card */
.hero-preview-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.hero-preview-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card), var(--shadow-glow-teal);
    position: relative;
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 16px;
    margin-bottom: 20px;
}

.window-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.preview-grid {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 20px;
    text-align: left;
}

.widget-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 18px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.04);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

[data-theme="dark"] .widget-card {
    background: rgba(255, 255, 255, 0.04);
    box-shadow: none;
}

.widget-title {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 700;
    margin-bottom: 12px;
}

.live-time-display {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary-teal);
    font-family: monospace;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
    background: rgba(39, 201, 63, 0.15);
    color: #16a34a;
    margin-top: 8px;
}

[data-theme="dark"] .status-pill {
    color: #4ae168;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.activity-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
}

[data-theme="dark"] .activity-item {
    background: rgba(255, 255, 255, 0.02);
}

.avatar-chip {
    display: flex;
    align-items: center;
    gap: 10px;
}

.avatar-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-teal), var(--accent-cyan));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

/* Stats Section */
.stats-section {
    padding: 40px 0;
    margin-bottom: 60px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Features Grid */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-tag {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-teal);
    margin-bottom: 12px;
    display: block;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    letter-spacing: -0.8px;
    margin-bottom: 16px;
    color: var(--text-main);
}

.section-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 620px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 90px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-glass-hover);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon-wrapper {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.icon-teal {
    background: rgba(13, 148, 136, 0.12);
    color: var(--primary-teal);
    border: 1px solid rgba(13, 148, 136, 0.25);
}

.icon-indigo {
    background: rgba(2, 132, 199, 0.12);
    color: var(--accent-cyan);
    border: 1px solid rgba(2, 132, 199, 0.25);
}

.icon-cyan {
    background: rgba(2, 132, 199, 0.12);
    color: var(--accent-cyan);
    border: 1px solid rgba(2, 132, 199, 0.25);
}

.icon-amber {
    background: rgba(217, 119, 6, 0.12);
    color: var(--accent-amber);
    border: 1px solid rgba(217, 119, 6, 0.25);
}

.icon-rose {
    background: rgba(225, 29, 72, 0.12);
    color: var(--accent-rose);
    border: 1px solid rgba(225, 29, 72, 0.25);
}

.icon-violet {
    background: rgba(30, 41, 59, 0.12);
    color: var(--accent-navy);
    border: 1px solid rgba(30, 41, 59, 0.25);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.feature-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Tabbed Portal Switcher Section */
.portal-switcher-section {
    padding: 60px 0 90px 0;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 28px;
    border-radius: var(--radius-full);
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-teal), var(--accent-cyan));
    color: #fff;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(13, 148, 136, 0.35);
}

.tab-content {
    display: none;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-card);
    animation: fadeIn 0.4s ease forwards;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.bullet-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.bullet-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.98rem;
    color: var(--text-muted);
}

.bullet-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: rgba(13, 148, 136, 0.15);
    color: var(--primary-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 2px;
}

/* FAQ Accordion */
.faq-section {
    padding: 60px 0 90px 0;
}

.faq-accordion {
    max-width: 840px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: border-color 0.2s ease, background-color 0.3s ease;
}

.faq-item:hover {
    border-color: var(--border-glass-hover);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.05rem;
    font-weight: 700;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
}

.faq-chevron {
    transition: transform 0.3s ease;
    color: var(--primary-teal);
}

.faq-item.open .faq-chevron {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0, 1, 0, 1), padding 0.35s ease;
    padding: 0 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.open .faq-answer {
    max-height: 500px;
    padding: 0 24px 20px 24px;
    transition: max-height 0.35s ease-in-out, padding 0.35s ease;
}

/* CTA Banner */
.cta-banner-section {
    padding: 60px 0 100px 0;
}

.cta-banner-card {
    background: linear-gradient(135deg, rgba(13, 148, 136, 0.12) 0%, rgba(2, 132, 199, 0.12) 100%);
    border: 1px solid var(--border-glass-hover);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(15px);
    box-shadow: var(--shadow-glow-teal);
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-main);
}

.cta-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto 32px auto;
}

/* Subpages Container Styles */
.page-content-wrapper {
    padding: 60px 0 100px 0;
    max-width: 900px;
    margin: 0 auto;
}

.legal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 48px;
    color: var(--text-muted);
    line-height: 1.8;
    box-shadow: var(--shadow-card);
}

.legal-card h1 {
    color: var(--text-main);
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.legal-card h2 {
    color: var(--text-main);
    font-size: 1.4rem;
    font-weight: 700;
    margin: 32px 0 16px 0;
}

.legal-card p {
    margin-bottom: 16px;
}

.legal-card ul {
    margin: 0 0 20px 24px;
}

/* Footer Styling */
footer {
    border-top: 1px solid var(--border-glass);
    background: var(--bg-footer);
    padding: 70px 0 30px 0;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand p {
    color: var(--text-muted);
    margin-top: 16px;
    font-size: 0.92rem;
    max-width: 300px;
}

.footer-col-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 20px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-link:hover {
    color: var(--primary-teal);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-glass);
    padding-top: 30px;
    font-size: 0.85rem;
    color: var(--text-dim);
}

/* Responsive Queries */
@media (max-width: 992px) {
    .hero-title { font-size: 2.6rem; }
    .features-grid { grid-template-columns: 1fr 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
    .preview-grid { grid-template-columns: 1fr; }
    .tab-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .nav-links { display: none; }
}

@media (max-width: 600px) {
    .hero-title { font-size: 2rem; }
    .hero-subtitle { font-size: 1rem; }
    .features-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 16px; text-align: center; }
}