/* ═══════════════════════════════════════════════
   NetTopo 3D Landing Page — Premium Dark Theme
   ═══════════════════════════════════════════════ */

:root {
    --bg-dark: #020617;
    --bg-card: #0f172a;
    --bg-surface: #1e293b;
    --border: #1e293b;
    --border-light: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-blue: #0ea5e9;
    --accent-cyan: #38bdf8;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-amber: #f59e0b;
    --accent-red: #ef4444;
    --gradient-primary: linear-gradient(135deg, #0ea5e9, #8b5cf6);
    --gradient-cta: linear-gradient(135deg, #0ea5e9, #6366f1, #8b5cf6);
    --radius: 12px;
    --radius-lg: 20px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ── Nav ── */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 16px 0;
    transition: all 0.3s ease;
}
.nav.scrolled {
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between;
}
.logo { text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 24px; }
.logo-text { font-weight: 700; font-size: 20px; color: var(--text-primary); }
.logo-3d { color: var(--accent-cyan); }
.nav-links { display: flex; gap: 32px; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text-primary); }
.nav-actions { display: flex; gap: 12px; }

/* ── Buttons ── */
.btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 24px; border-radius: 10px;
    background: var(--gradient-primary);
    color: #fff; font-weight: 600; font-size: 14px;
    text-decoration: none; border: none; cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px rgba(14, 165, 233, 0.4); }
.btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 24px; border-radius: 10px;
    background: transparent; color: var(--text-secondary);
    font-weight: 600; font-size: 14px; text-decoration: none;
    border: 1px solid var(--border-light); cursor: pointer;
    transition: all 0.3s ease;
}
.btn-outline:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }
.btn-ghost {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 10px 24px; border-radius: 10px;
    background: rgba(255,255,255,0.05); color: var(--text-secondary);
    font-weight: 500; font-size: 14px; text-decoration: none;
    border: 1px solid transparent; cursor: pointer;
    transition: all 0.3s ease;
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); color: var(--text-primary); }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-arrow { transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.play-icon { width: 32px; height: 32px; border-radius: 50%; background: rgba(14,165,233,0.2); display: flex; align-items: center; justify-content: center; font-size: 10px; color: var(--accent-cyan); }

/* ── Hero ── */
.hero { padding: 160px 0 80px; position: relative; overflow: hidden; }
.hero-bg-effects { position: absolute; inset: 0; pointer-events: none; }
.hero-orb {
    position: absolute; border-radius: 50%;
    filter: blur(100px); opacity: 0.15;
}
.hero-orb-1 { width: 600px; height: 600px; background: var(--accent-blue); top: -200px; right: -100px; animation: float1 8s infinite ease-in-out; }
.hero-orb-2 { width: 400px; height: 400px; background: var(--accent-purple); bottom: -100px; left: -100px; animation: float2 10s infinite ease-in-out; }
.hero-orb-3 { width: 300px; height: 300px; background: var(--accent-cyan); top: 50%; left: 50%; animation: float3 12s infinite ease-in-out; }
.hero-grid {
    position: absolute; inset: 0;
    background-image: linear-gradient(rgba(56,189,248,0.03) 1px, transparent 1px),
                       linear-gradient(90deg, rgba(56,189,248,0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}
@keyframes float1 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-30px, 20px); } }
@keyframes float2 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(20px, -30px); } }
@keyframes float3 { 0%, 100% { transform: translate(0, 0); } 50% { transform: translate(-20px, 15px); } }

.hero .container { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; position: relative; z-index: 1; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; border-radius: 50px;
    background: rgba(14, 165, 233, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
    font-size: 13px; color: var(--accent-cyan); margin-bottom: 24px;
}
.badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-green); animation: pulse-dot 2s infinite; }
@keyframes pulse-dot { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.hero-title { font-size: 56px; font-weight: 800; line-height: 1.1; margin-bottom: 20px; letter-spacing: -1px; }
.gradient-text { background: var(--gradient-primary); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 18px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 32px; max-width: 500px; }
.hero-cta { display: flex; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }

.hero-stats { display: flex; align-items: center; gap: 24px; }
.stat-value { font-size: 24px; font-weight: 800; color: var(--accent-cyan); display: block; }
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Hero Screen Mockup */
.hero-visual { perspective: 1000px; }
.hero-screen {
    background: var(--bg-card); border-radius: 16px;
    border: 1px solid var(--border); overflow: hidden;
    transform: rotateY(-5deg) rotateX(3deg);
    transition: transform 0.5s ease;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5), 0 0 80px rgba(14,165,233,0.1);
}
.hero-screen:hover { transform: rotateY(0) rotateX(0); }
.screen-header {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 16px; background: rgba(0,0,0,0.3); border-bottom: 1px solid var(--border);
}
.screen-dots { display: flex; gap: 6px; }
.screen-dots span { width: 10px; height: 10px; border-radius: 50%; }
.screen-dots span:nth-child(1) { background: #ef4444; }
.screen-dots span:nth-child(2) { background: #f59e0b; }
.screen-dots span:nth-child(3) { background: #10b981; }
.screen-title { font-size: 11px; color: var(--text-muted); }
.screen-body { padding: 0; min-height: 320px; }

.mock-dashboard { display: flex; height: 320px; }
.mock-sidebar { width: 48px; background: rgba(0,0,0,0.2); border-right: 1px solid var(--border); }
.mock-content { flex: 1; padding: 16px; }
.mock-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 16px; }
.mock-card {
    padding: 12px 10px; border-radius: 8px; text-align: center;
    border: 1px solid var(--border);
}
.mock-card span { font-size: 20px; font-weight: 700; display: block; }
.mock-card small { font-size: 9px; color: var(--text-muted); }
.c1 { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.2); }
.c1 span { color: #10b981; }
.c2 { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.2); }
.c2 span { color: #ef4444; }
.c3 { background: rgba(56,189,248,0.1); border-color: rgba(56,189,248,0.2); }
.c3 span { color: #38bdf8; }
.c4 { background: rgba(139,92,246,0.1); border-color: rgba(139,92,246,0.2); }
.c4 span { color: #8b5cf6; }

.mock-3d { flex: 1; position: relative; background: rgba(0,0,0,0.2); border-radius: 10px; border: 1px solid var(--border); }
.node-cluster { position: absolute; inset: 0; }
.node {
    position: absolute; width: 12px; height: 12px; border-radius: 50%;
    background: var(--accent-cyan); box-shadow: 0 0 12px var(--accent-cyan);
    animation: pulse-node 3s infinite ease-in-out;
}
.n1 { top: 30%; left: 20%; animation-delay: 0s; }
.n2 { top: 50%; left: 50%; width: 16px; height: 16px; background: var(--accent-purple); box-shadow: 0 0 16px var(--accent-purple); }
.n3 { top: 20%; left: 60%; animation-delay: 0.5s; }
.n4 { top: 70%; left: 30%; animation-delay: 1s; background: var(--accent-green); box-shadow: 0 0 12px var(--accent-green); }
.n5 { top: 60%; left: 75%; animation-delay: 1.5s; }
.n6 { top: 35%; left: 80%; animation-delay: 0.7s; background: var(--accent-amber); box-shadow: 0 0 12px var(--accent-amber); }
.n7 { top: 80%; left: 65%; animation-delay: 2s; background: var(--accent-red); box-shadow: 0 0 12px var(--accent-red); }

.link { position: absolute; height: 1px; background: rgba(56,189,248,0.3); transform-origin: left center; }
.l1 { top: 33%; left: 22%; width: 120px; transform: rotate(12deg); }
.l2 { top: 35%; left: 52%; width: 100px; transform: rotate(-20deg); }
.l3 { top: 55%; left: 32%; width: 80px; transform: rotate(30deg); }
.l4 { top: 52%; left: 52%; width: 100px; transform: rotate(8deg); }
.l5 { top: 62%; left: 55%; width: 80px; transform: rotate(-15deg); }
.l6 { top: 72%; left: 32%; width: 140px; transform: rotate(-5deg); }

@keyframes pulse-node { 0%, 100% { transform: scale(1); opacity: 0.8; } 50% { transform: scale(1.3); opacity: 1; } }

/* ── Trusted ── */
.trusted { padding: 40px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.trusted-label { text-align: center; color: var(--text-muted); font-size: 13px; margin-bottom: 20px; text-transform: uppercase; letter-spacing: 2px; }
.trusted-logos { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; }
.trusted-logos span { color: var(--text-muted); font-size: 14px; opacity: 0.6; }

/* ── Section Header ── */
.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
    display: inline-block; padding: 4px 14px; border-radius: 50px;
    background: rgba(14, 165, 233, 0.1); border: 1px solid rgba(14, 165, 233, 0.2);
    font-size: 12px; color: var(--accent-cyan); text-transform: uppercase;
    letter-spacing: 2px; font-weight: 600; margin-bottom: 16px;
}
.section-header h2 { font-size: 42px; font-weight: 800; line-height: 1.2; margin-bottom: 16px; }
.section-header p { font-size: 18px; color: var(--text-secondary); }

/* ── Features ── */
.features { padding: 100px 0; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.feature-card {
    padding: 32px; border-radius: var(--radius-lg);
    background: rgba(15, 23, 42, 0.6); border: 1px solid var(--border);
    transition: all 0.3s ease;
}
.feature-card:hover {
    border-color: rgba(14, 165, 233, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.feature-highlight {
    background: linear-gradient(135deg, rgba(14,165,233,0.08), rgba(139,92,246,0.08));
    border-color: rgba(14, 165, 233, 0.2);
    grid-column: span 2;
}
.feature-icon { font-size: 36px; margin-bottom: 16px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.7; }
.feature-badge {
    display: inline-block; margin-top: 12px; padding: 4px 10px; border-radius: 6px;
    background: rgba(14, 165, 233, 0.15); color: var(--accent-cyan); font-size: 11px; font-weight: 600;
}

/* ── How It Works ── */
.how-it-works { padding: 100px 0; background: rgba(15, 23, 42, 0.3); }
.steps { display: flex; align-items: center; justify-content: center; gap: 24px; flex-wrap: wrap; }
.step {
    flex: 1; min-width: 250px; padding: 32px; border-radius: var(--radius-lg);
    background: var(--bg-card); border: 1px solid var(--border); text-align: center;
}
.step-number {
    width: 48px; height: 48px; border-radius: 14px; margin: 0 auto 16px;
    background: var(--gradient-primary); display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 800;
}
.step-content h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step-content p { color: var(--text-secondary); font-size: 14px; margin-bottom: 12px; }
.step-content code {
    display: inline-block; padding: 8px 16px; border-radius: 8px;
    background: rgba(0,0,0,0.3); border: 1px solid var(--border);
    font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--accent-cyan);
}
.step-arrow { font-size: 24px; color: var(--text-muted); }

/* ── Pricing ── */
.pricing { padding: 100px 0; }
.pricing-toggle { display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 48px; }
.toggle-label { color: var(--text-muted); font-size: 14px; font-weight: 500; cursor: pointer; transition: color 0.2s; }
.toggle-label.active { color: var(--text-primary); }
.save-badge { padding: 2px 8px; border-radius: 50px; background: rgba(16,185,129,0.2); color: var(--accent-green); font-size: 11px; }
.toggle-switch { position: relative; width: 44px; height: 24px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
    position: absolute; inset: 0; cursor: pointer; border-radius: 24px;
    background: var(--bg-surface); border: 1px solid var(--border-light);
    transition: 0.3s;
}
.toggle-slider:before {
    content: ''; position: absolute; width: 18px; height: 18px; border-radius: 50%;
    left: 2px; bottom: 2px; background: var(--accent-cyan);
    transition: 0.3s;
}
.toggle-switch input:checked + .toggle-slider:before { transform: translateX(20px); }

.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; align-items: start; }
.pricing-card {
    padding: 32px 24px; border-radius: var(--radius-lg);
    background: var(--bg-card); border: 1px solid var(--border);
    position: relative; transition: all 0.3s ease;
}
.pricing-card:hover { border-color: var(--border-light); transform: translateY(-4px); }
.pricing-card.popular {
    border-color: var(--accent-blue);
    background: linear-gradient(180deg, rgba(14,165,233,0.08), var(--bg-card));
    box-shadow: 0 0 40px rgba(14,165,233,0.1);
    transform: scale(1.02);
}
.pricing-card.popular:hover { transform: scale(1.04) translateY(-4px); }
.popular-badge {
    position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
    padding: 4px 16px; border-radius: 50px;
    background: var(--gradient-primary); font-size: 12px; font-weight: 600; white-space: nowrap;
}
.plan-header { margin-bottom: 24px; }
.plan-icon { font-size: 32px; display: block; margin-bottom: 12px; }
.plan-header h3 { font-size: 22px; font-weight: 700; }
.plan-desc { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.plan-price { margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.price { font-size: 40px; font-weight: 800; }
.period { color: var(--text-muted); font-size: 14px; }
.plan-features { list-style: none; margin-bottom: 24px; }
.plan-features li { padding: 6px 0; font-size: 14px; color: var(--text-secondary); }
.plan-features s { color: var(--text-muted); }

.btn-plan {
    display: block; width: 100%; padding: 12px; border-radius: 10px;
    text-align: center; font-weight: 600; font-size: 14px;
    text-decoration: none; transition: all 0.3s ease;
    background: rgba(255,255,255,0.05); color: var(--text-secondary);
    border: 1px solid var(--border-light); cursor: pointer;
}
.btn-plan:hover { background: rgba(255,255,255,0.1); color: var(--text-primary); }
.btn-plan-primary {
    background: var(--gradient-primary); color: #fff; border: none;
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}
.btn-plan-primary:hover { box-shadow: 0 6px 30px rgba(14, 165, 233, 0.4); }

/* ── Comparison ── */
.comparison { padding: 60px 0 100px; }
.section-title-sm { text-align: center; font-size: 28px; font-weight: 700; margin-bottom: 32px; }
.comparison-table-wrapper { overflow-x: auto; }
.comparison-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.comparison-table th, .comparison-table td { padding: 14px 20px; text-align: left; border-bottom: 1px solid var(--border); }
.comparison-table th { color: var(--text-muted); font-weight: 600; text-transform: uppercase; font-size: 12px; letter-spacing: 1px; }
.highlight-col { background: rgba(14, 165, 233, 0.05); color: var(--accent-cyan); font-weight: 600; }

/* ── FAQ ── */
.faq { padding: 100px 0; background: rgba(15, 23, 42, 0.3); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.faq-item { padding: 24px; border-radius: var(--radius); background: var(--bg-card); border: 1px solid var(--border); }
.faq-item h4 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.faq-item p { color: var(--text-secondary); font-size: 14px; }

/* ── CTA ── */
.cta { padding: 100px 0; }
.cta-content {
    text-align: center; padding: 60px; border-radius: 24px;
    background: linear-gradient(135deg, rgba(14,165,233,0.1), rgba(139,92,246,0.1));
    border: 1px solid rgba(14,165,233,0.2);
}
.cta-content h2 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.cta-content p { color: var(--text-secondary); font-size: 18px; margin-bottom: 32px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ── Footer ── */
.footer { padding: 60px 0 30px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-muted); font-size: 14px; margin-top: 12px; max-width: 280px; }
.footer-links h5 { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; color: var(--text-secondary); }
.footer-links a { display: block; color: var(--text-muted); font-size: 14px; text-decoration: none; padding: 4px 0; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent-cyan); }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid var(--border); }
.footer-bottom p { color: var(--text-muted); font-size: 13px; }

/* ── Language Dropdown ── */
.lang-dropdown { position: relative; margin-right: 8px; z-index: 200; }
.lang-dropdown-btn {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 14px; border-radius: 8px;
    background: rgba(255,255,255,0.05); border: 1px solid var(--border);
    color: var(--text-secondary); font-size: 13px; font-weight: 500;
    cursor: pointer; transition: all 0.2s; font-family: inherit;
}
.lang-dropdown-btn:hover { border-color: var(--accent-cyan); color: var(--text-primary); }
.lang-chevron { transition: transform 0.2s; }
.lang-dropdown.open .lang-chevron { transform: rotate(180deg); }
.lang-dropdown-menu {
    position: absolute; top: calc(100% + 8px); right: 0;
    min-width: 180px; max-height: 320px; overflow-y: auto;
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-radius: 12px; padding: 6px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: all 0.2s ease;
}
.lang-dropdown.open .lang-dropdown-menu {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-dropdown-menu button {
    display: flex; align-items: center; gap: 10px; width: 100%;
    padding: 8px 12px; border: none; border-radius: 8px;
    background: transparent; color: var(--text-secondary);
    font-size: 13px; cursor: pointer; transition: all 0.15s;
    font-family: inherit; text-align: left;
}
.lang-dropdown-menu button:hover { background: rgba(14,165,233,0.1); color: var(--text-primary); }
.lang-dropdown-menu button.active { background: rgba(14,165,233,0.15); color: var(--accent-cyan); }
.lang-dropdown-menu::-webkit-scrollbar { width: 4px; }
.lang-dropdown-menu::-webkit-scrollbar-track { background: transparent; }
.lang-dropdown-menu::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }

.footer-links div a { display: block; }

/* ── Mobile Menu Button ── */
.mobile-menu-btn {
    display: none; background: none; border: 1px solid var(--border); border-radius: 8px;
    padding: 6px 10px; cursor: pointer; color: var(--text-secondary); font-size: 20px;
    transition: all 0.2s;
}
.mobile-menu-btn:hover { border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* ── Mobile Nav Overlay ── */
.mobile-nav-overlay {
    display: none; position: fixed; inset: 0; z-index: 300;
    background: rgba(2, 6, 23, 0.95); backdrop-filter: blur(20px);
    flex-direction: column; align-items: center; justify-content: center; gap: 20px;
}
.mobile-nav-overlay.open { display: flex; }
.mobile-nav-overlay a {
    color: var(--text-primary); text-decoration: none; font-size: 20px;
    font-weight: 600; padding: 12px 24px; border-radius: 10px; transition: all 0.2s;
}
.mobile-nav-overlay a:hover { background: rgba(14,165,233,0.1); color: var(--accent-cyan); }
.mobile-nav-close {
    position: absolute; top: 20px; right: 24px; background: none; border: none;
    color: var(--text-secondary); font-size: 28px; cursor: pointer;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
    .hero-title { font-size: 42px; }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-highlight { grid-column: span 1; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-actions .btn-outline,
    .nav-actions .btn-primary { display: none; }
    .mobile-menu-btn { display: block; }
    .nav-container { padding: 0 16px; }

    .hero { padding: 100px 0 50px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 15px; }
    .hero-cta { flex-direction: column; gap: 12px; }
    .btn-lg { padding: 12px 24px; font-size: 14px; }
    .hero-stats { flex-wrap: wrap; gap: 16px; }
    .stat-divider { display: none; }

    .section-header h2 { font-size: 26px; }
    .section-header p { font-size: 15px; }

    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .pricing-card.popular { transform: none; }
    .pricing-card.popular:hover { transform: translateY(-4px); }

    .steps { flex-direction: column; }
    .step-arrow { transform: rotate(90deg); }
    .step { min-width: auto; }

    .features-grid { grid-template-columns: 1fr; }
    .feature-highlight { grid-column: span 1; }

    .faq-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }

    .comparison-table { font-size: 11px; }
    .comparison-table th, .comparison-table td { padding: 8px 6px; }

    .cta-content { padding: 32px 20px; }
    .cta-content h2 { font-size: 24px; }
    .cta-buttons { flex-direction: column; }
}
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 24px; }
    .hero-badge { font-size: 11px; }
    .nav-actions { gap: 6px; }
    .lang-dropdown-btn { padding: 5px 10px; font-size: 12px; }
    .lang-dropdown-btn #current-lang-name { display: none; }
    .mock-cards { grid-template-columns: repeat(2, 1fr); }
}

/* -- Download Section -- */
.download{padding:100px 0;background:linear-gradient(180deg,rgba(15,23,42,0) 0%,rgba(16,185,129,.03) 50%,rgba(15,23,42,0) 100%)}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.dl-card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:32px;text-align:center;transition:all .3s}
.dl-card:hover{border-color:rgba(16,185,129,.3);transform:translateY(-4px);box-shadow:0 12px 40px rgba(16,185,129,.1)}
.dl-card.dl-primary{border-color:rgba(16,185,129,.3);background:linear-gradient(135deg,rgba(16,185,129,.06),rgba(5,150,105,.03))}
.dl-icon{font-size:48px;margin-bottom:16px}
.dl-card h3{font-size:20px;font-weight:700;color:#f1f5f9;margin-bottom:8px}
.dl-card p{font-size:14px;color:#94a3b8;line-height:1.6;margin-bottom:16px}
.dl-meta{display:flex;justify-content:center;gap:16px;margin-bottom:20px;font-size:12px;color:#64748b}
.dl-meta span{display:flex;align-items:center;gap:4px}
.btn-download{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.05);color:#e2e8f0;font-size:14px;font-weight:600;text-decoration:none;transition:all .3s;cursor:pointer}
.btn-download:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.2)}
.btn-download-primary{background:linear-gradient(135deg,#10b981,#059669);border:none;color:#fff}
.btn-download-primary:hover{background:linear-gradient(135deg,#059669,#047857);transform:scale(1.05);box-shadow:0 8px 30px rgba(16,185,129,.4)}
.dl-btn-icon{font-size:18px}
.dl-version{display:block;margin-top:12px;font-size:12px;color:#64748b}
.dl-code{background:#0f172a;border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:14px;margin:16px 0;text-align:left}
.dl-code code{color:#a5f3fc;font-size:14px;font-family:'Fira Code',monospace}
.dl-steps{text-align:left}
.dl-step{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.04)}
.dl-step:last-child{border-bottom:none}
.dl-step-num{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#10b981,#059669);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;flex-shrink:0;margin-top:2px}
.dl-step-text{font-size:13px;color:#cbd5e1;line-height:1.5}
.dl-step-text strong{color:#f1f5f9}
.dl-requirements{margin-top:48px;background:rgba(255,255,255,.02);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:32px}
.dl-requirements h4{text-align:center;font-size:18px;color:#f1f5f9;margin-bottom:24px}
.dl-req-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.dl-req-item{text-align:center;padding:16px}
.dl-req-item .req-icon{font-size:28px;margin-bottom:8px}
.dl-req-item .req-label{font-size:12px;color:#64748b;margin-bottom:4px}
.dl-req-item .req-value{font-size:14px;color:#e2e8f0;font-weight:600}
@media(max-width:768px){.download-grid{grid-template-columns:1fr}.dl-req-grid{grid-template-columns:repeat(2,1fr)}}