/* ========================================================
   AllEMR — Cloud-themed Premium Landing Page
   ======================================================== */

/* --- Design Tokens --- */
:root {
    --c-bg: #f0f4f8;
    --c-surface: #ffffff;
    --c-text: #1a202c;
    --c-text-muted: #64748b;
    --c-primary: #2563eb;
    --c-primary-dark: #1d4ed8;
    --c-primary-light: #dbeafe;
    --c-green: #10b981;
    --c-green-light: #d1fae5;
    --c-purple: #8b5cf6;
    --c-purple-light: #ede9fe;
    --c-orange: #f59e0b;
    --c-orange-light: #fef3c7;
    --c-red: #ef4444;
    --c-border: #e2e8f0;
    --c-sky-top: #e0ecf8;
    --c-sky-bottom: #f8fbff;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.10);
    --radius: 16px;
    --radius-sm: 10px;
    --font: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: linear-gradient(180deg, var(--c-sky-top) 0%, var(--c-sky-bottom) 40%, var(--c-bg) 100%);
    color: var(--c-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

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

a { color: inherit; text-decoration: none; }

/* --- Cloud Animation Layer --- */
.cloud-layer {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.cloud-svg {
    position: absolute;
    filter: drop-shadow(0 8px 20px rgba(37, 99, 235, 0.08));
}

.c1 { width: 320px; top: 5%;   animation: drift 55s linear infinite; }
.c2 { width: 200px; top: 25%;  animation: drift 70s linear infinite 12s; }
.c3 { width: 420px; top: 55%;  animation: drift 80s linear infinite 6s; }
.c4 { width: 160px; top: 75%;  animation: drift 50s linear infinite 20s; }
.c5 { width: 280px; top: 15%;  animation: drift 65s linear infinite 30s; }
.c6 { width: 240px; top: 45%;  animation: drift 90s linear infinite 40s; }

@keyframes drift {
    0%   { left: -25%; opacity: 0; }
    8%   { opacity: 1; }
    92%  { opacity: 1; }
    100% { left: 110%; opacity: 0; }
}

/* --- Navbar --- */
.navbar {
    position: fixed; top: 0; width: 100%;
    z-index: 1000;
    padding: 12px 0;
    background: rgba(255,255,255,0.75);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226,232,240,0);
    transition: var(--transition);
}
.navbar.scrolled {
    padding: 8px 0;
    background: rgba(255,255,255,0.92);
    border-bottom-color: var(--c-border);
    box-shadow: var(--shadow-sm);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; }
.logo img { height: 36px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
    font-size: 0.92rem; font-weight: 500; color: var(--c-text-muted);
    transition: color var(--transition);
}
.nav-links a:hover { color: var(--c-text); }
.btn-nav {
    background: var(--c-primary); color: #fff !important;
    padding: 9px 20px; border-radius: 8px; font-weight: 600;
    transition: background var(--transition), transform var(--transition);
}
.btn-nav:hover { background: var(--c-primary-dark); transform: translateY(-1px); }

.hamburger {
    display: none; background: none; border: none; cursor: pointer;
    flex-direction: column; gap: 5px; padding: 4px;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--c-text); border-radius: 2px; transition: var(--transition); }

/* --- Buttons --- */
.btn-primary, .btn-outline {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 28px; border-radius: var(--radius-sm);
    font-family: var(--font); font-weight: 600; font-size: 1rem;
    border: none; cursor: pointer; transition: all var(--transition);
}
.btn-primary {
    background: var(--c-primary); color: #fff;
    box-shadow: 0 4px 14px rgba(37,99,235,0.25);
}
.btn-primary:hover { background: var(--c-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.35); }
.btn-outline {
    background: var(--c-surface); color: var(--c-text);
    border: 1px solid var(--c-border);
}
.btn-outline:hover { background: var(--c-bg); border-color: #cbd5e1; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; border-radius: 12px; }

/* --- Hero --- */
.hero {
    position: relative;
    padding: 180px 0 100px;
    text-align: center;
    z-index: 1;
}
.hero-inner { position: relative; z-index: 2; }

.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 18px; border-radius: 30px;
    background: rgba(37,99,235,0.08); color: var(--c-primary);
    font-size: 0.85rem; font-weight: 600;
    border: 1px solid rgba(37,99,235,0.12);
    margin-bottom: 28px;
}
.badge-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--c-green);
    animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.4); }
}

.hero-title {
    font-size: clamp(2.8rem, 6vw, 4.5rem);
    font-weight: 900; line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: linear-gradient(135deg, #2563eb 0%, #0ea5e9 50%, #06b6d4 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.2rem; color: var(--c-text-muted);
    max-width: 600px; margin: 0 auto 40px; line-height: 1.8;
}

.hero-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

.hero-stats {
    display: inline-flex; align-items: center; gap: 0;
    margin-top: 60px; padding: 20px 40px;
    background: var(--c-surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--c-border);
}
.stat-item { text-align: center; padding: 0 24px; }
.stat-item strong { display: block; font-size: 1.6rem; font-weight: 800; color: var(--c-primary); }
.stat-item span { font-size: 0.82rem; color: var(--c-text-muted); font-weight: 500; }
.stat-divider { width: 1px; height: 36px; background: var(--c-border); }

.hero-cloud-accent {
    position: absolute; bottom: -60px; left: 50%; transform: translateX(-50%);
    width: 120%; height: 120px;
    background: radial-gradient(ellipse at center, rgba(37,99,235,0.04) 0%, transparent 70%);
    pointer-events: none;
}

/* --- Trust Bar --- */
.trust-bar {
    position: relative; z-index: 1;
    padding: 28px 0;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
    background: var(--c-surface);
}
.trust-label { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-text-muted); font-weight: 600; margin-bottom: 12px; text-align: center; }
.ticker-wrap {
    overflow: hidden; width: 100%; position: relative;
    mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}
.ticker-track {
    display: flex; gap: 14px; white-space: nowrap;
    animation: ticker-scroll 40s linear infinite;
    width: max-content;
}
.ticker-track span {
    display: inline-flex; align-items: center;
    padding: 8px 18px; border-radius: 24px;
    background: var(--c-bg); color: var(--c-text-muted);
    font-size: 0.88rem; font-weight: 500;
    border: 1px solid var(--c-border);
    flex-shrink: 0;
}
.ticker-track span.ai-tag {
    background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(14,165,233,0.12));
    border-color: rgba(37,99,235,0.25);
    color: var(--c-primary); font-weight: 700;
}

@keyframes ticker-scroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* --- Manifesto Banner --- */
.manifesto {
    position: relative; z-index: 1;
    padding: 100px 0;
    background: linear-gradient(180deg, rgba(37,99,235,0.03) 0%, rgba(37,99,235,0.07) 100%);
    border-top: 1px solid rgba(37,99,235,0.08);
    border-bottom: 1px solid rgba(37,99,235,0.08);
}
.manifesto-inner { text-align: center; }

.manifesto-cloud-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 80px; height: 80px; border-radius: 50%;
    background: linear-gradient(135deg, var(--c-primary-light), rgba(14,165,233,0.15));
    color: var(--c-primary); margin-bottom: 28px;
    animation: float-gentle 4s ease-in-out infinite;
}
@keyframes float-gentle {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.manifesto-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 800; line-height: 1.4;
    letter-spacing: -0.02em; margin-bottom: 24px;
}
.manifesto-title em {
    font-style: normal; position: relative;
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}

.manifesto-desc {
    font-size: 1.08rem; color: var(--c-text-muted);
    line-height: 1.85; max-width: 700px; margin: 0 auto 48px;
}
.manifesto-desc strong { color: var(--c-text); }

.manifesto-pills {
    display: flex; justify-content: center; flex-wrap: wrap; gap: 16px;
}
.pill {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 24px; border-radius: 14px;
    background: var(--c-surface); border: 1px solid var(--c-border);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
}
.pill:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(37,99,235,0.2); }
.pill-icon { font-size: 2rem; }
.pill-text { text-align: left; font-size: 0.88rem; line-height: 1.5; color: var(--c-text-muted); }
.pill-text strong { display: block; color: var(--c-text); font-size: 0.95rem; margin-bottom: 2px; }

/* AI Free Banner */
.ai-free-banner {
    display: flex; align-items: center; gap: 20px;
    max-width: 700px; margin: 0 auto 40px;
    padding: 24px 32px; border-radius: 16px;
    background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(14,165,233,0.08));
    border: 2px solid rgba(37,99,235,0.15);
    text-align: left;
    position: relative;
    overflow: hidden;
    animation: border-glow 3s ease-in-out infinite;
}
@keyframes border-glow {
    0%, 100% { border-color: rgba(37,99,235,0.15); }
    50% { border-color: rgba(37,99,235,0.35); }
}
.ai-free-icon { font-size: 2.5rem; flex-shrink: 0; }
.ai-free-text strong {
    display: block; font-size: 1.15rem; font-weight: 800;
    color: var(--c-text); margin-bottom: 6px;
}
.ai-free-text span { font-size: 0.92rem; color: var(--c-text-muted); line-height: 1.6; }
.free-highlight {
    display: inline-block; padding: 2px 10px; border-radius: 6px;
    background: linear-gradient(135deg, #2563eb, #0ea5e9);
    color: #fff !important; -webkit-text-fill-color: #fff;
    font-size: 1.1rem; letter-spacing: 0.02em;
}

/* --- Section Commons --- */
.section { position: relative; z-index: 1; padding: 120px 0; }
.section-alt { background: var(--c-surface); }

.section-label {
    font-size: 0.78rem; font-weight: 700; letter-spacing: 0.15em;
    text-transform: uppercase; color: var(--c-primary);
    margin-bottom: 12px; text-align: center;
}
.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800; line-height: 1.25; letter-spacing: -0.02em;
    text-align: center; margin-bottom: 16px;
}
.section-desc {
    font-size: 1.1rem; color: var(--c-text-muted);
    text-align: center; max-width: 600px; margin: 0 auto 64px;
}
.left-align { text-align: left; }
.section-desc.left-align { margin: 0 0 48px; }

/* --- Card Grid (Why Cloud) --- */
.card-grid { display: grid; gap: 24px; }
.card-grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius); padding: 36px 28px;
    transition: all var(--transition);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(37,99,235,0.15); }

.card-icon-wrap {
    width: 52px; height: 52px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 20px;
}
.card-icon-wrap.blue   { background: var(--c-primary-light); color: var(--c-primary); }
.card-icon-wrap.green  { background: var(--c-green-light);   color: var(--c-green); }
.card-icon-wrap.purple { background: var(--c-purple-light);  color: var(--c-purple); }
.card-icon-wrap.orange { background: var(--c-orange-light);  color: var(--c-orange); }

.card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.card p  { font-size: 0.92rem; color: var(--c-text-muted); line-height: 1.65; }

/* --- Feature Grid --- */
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.feature-card {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius); padding: 40px 32px;
    transition: all var(--transition); position: relative; overflow: hidden;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card.feature-wide { grid-column: span 2; }

.feature-number {
    font-size: 3rem; font-weight: 900; letter-spacing: -0.04em;
    color: rgba(37,99,235,0.08); position: absolute; top: 20px; right: 28px;
}
.feature-card h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
.feature-card p  { font-size: 1rem; color: var(--c-text-muted); line-height: 1.7; margin-bottom: 16px; }

.feature-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.feature-tags span {
    padding: 5px 12px; border-radius: 6px; font-size: 0.8rem; font-weight: 600;
    background: var(--c-primary-light); color: var(--c-primary);
}

/* --- ROI Metrics --- */
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.metric-card {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius); padding: 48px 24px;
    text-align: center; transition: all var(--transition);
}
.metric-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.metric-value {
    font-size: 3.5rem; font-weight: 900; line-height: 1; margin-bottom: 12px;
}
.metric-value span { font-size: 2rem; }
.metric-value.blue   { color: var(--c-primary); }
.metric-value.green  { color: var(--c-green); }
.metric-value.purple { color: var(--c-purple); }
.metric-value.orange { color: var(--c-orange); }

.metric-label { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.metric-desc  { font-size: 0.85rem; color: var(--c-text-muted); }

/* --- Comparison Table --- */
.comparison-table {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius); overflow: hidden;
    box-shadow: var(--shadow-md);
}
.comparison-table table { width: 100%; border-collapse: collapse; min-width: 700px; }

.comparison-table th, .comparison-table td {
    padding: 20px 24px; text-align: left; font-size: 0.95rem;
}
.comparison-table thead tr {
    background: linear-gradient(135deg, rgba(37,99,235,0.04), rgba(37,99,235,0.08));
    border-bottom: 2px solid var(--c-border);
}
.comparison-table th { font-weight: 700; font-size: 0.95rem; }
.comparison-table th.highlight-col { color: var(--c-primary); font-size: 1.05rem; }

.comparison-table tbody tr { border-bottom: 1px solid var(--c-border); transition: background var(--transition); }
.comparison-table tbody tr:last-child { border-bottom: none; }
.comparison-table tbody tr:hover { background: rgba(37,99,235,0.02); }

.comparison-table td { font-weight: 500; }
.comparison-table td.highlight-col { font-weight: 600; }

.badge-sm { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 700; background: var(--c-primary-light); color: var(--c-primary); margin-left: 6px; vertical-align: middle; }

.tag-good { display: inline-block; padding: 3px 8px; border-radius: 5px; font-size: 0.8rem; font-weight: 700; background: var(--c-green-light); color: var(--c-green); margin-right: 6px; }
.tag-bad  { display: inline-block; padding: 3px 8px; border-radius: 5px; font-size: 0.8rem; font-weight: 700; background: #fef2f2; color: var(--c-red); margin-right: 6px; }

/* --- AI Section --- */
.ai-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }

.ai-features { display: flex; flex-direction: column; gap: 28px; }
.ai-feature-item { display: flex; gap: 16px; }
.ai-check {
    width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
    background: var(--c-primary-light); color: var(--c-primary);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 0.85rem;
}
.ai-feature-item strong { display: block; font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.ai-feature-item span { font-size: 0.9rem; color: var(--c-text-muted); line-height: 1.6; }

/* AI Mockup */
.ai-mockup {
    background: var(--c-surface); border: 1px solid var(--c-border);
    border-radius: var(--radius); padding: 28px;
    box-shadow: var(--shadow-xl);
}
.mockup-dots { display: flex; gap: 7px; margin-bottom: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--c-border); }
.mockup-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--c-border); }
.mockup-dots span:first-child { background: #fca5a5; }
.mockup-dots span:nth-child(2) { background: #fde68a; }
.mockup-dots span:nth-child(3) { background: #86efac; }

/* Mock Header */
.mock-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.mock-title { font-size: 1rem; font-weight: 700; color: var(--c-text); }
.mock-badge-live {
    font-size: 0.72rem; font-weight: 700; color: var(--c-green);
    padding: 3px 10px; border-radius: 20px;
    background: var(--c-green-light); animation: pulse-dot 2s ease-in-out infinite;
}

/* Mock Patient */
.mock-patient {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; border-radius: 8px;
    background: var(--c-bg); margin-bottom: 20px;
    font-size: 0.85rem; font-weight: 600; color: var(--c-text-muted);
}
.mock-tag {
    padding: 2px 8px; border-radius: 4px; font-size: 0.72rem; font-weight: 700;
    background: var(--c-primary-light); color: var(--c-primary);
}

/* Mock Chart */
.mock-chart-wrap { margin-bottom: 20px; }
.mock-chart-label { font-size: 0.78rem; font-weight: 600; color: var(--c-text-muted); margin-bottom: 12px; }
.mock-chart-bars { display: flex; align-items: flex-end; gap: 10px; height: 140px; }
.mock-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; }
.mock-col span { font-size: 0.7rem; font-weight: 700; color: var(--c-text-muted); }
.mock-bar-track {
    flex: 1; width: 100%; border-radius: 6px 6px 0 0;
    background: #f1f5f9; display: flex; align-items: flex-end;
    overflow: hidden;
}
.mock-bar-fill {
    width: 100%; border-radius: 6px 6px 0 0;
    background: var(--c-primary); opacity: 0.7;
    transition: height 1s ease;
}
.mock-bar-fill.warn { background: var(--c-orange); opacity: 1; animation: pulse-bar 2s ease-in-out infinite; }
.mock-bar-fill.accent { background: var(--c-green); opacity: 0.8; }

@keyframes pulse-bar {
    0%, 100% { opacity: 0.75; }
    50% { opacity: 1; }
}

/* Mock Results */
.mock-results { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.mock-result-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px; border-radius: 8px; font-size: 0.85rem; font-weight: 600;
}
.mock-result-item.good { background: var(--c-green-light); color: #065f46; }
.mock-result-item.warn { background: var(--c-orange-light); color: #92400e; }
.mock-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.mock-dot.green { background: var(--c-green); }
.mock-dot.orange { background: var(--c-orange); }

.ai-alert-box {
    display: flex; align-items: center; gap: 10px;
    padding: 14px 18px; border-radius: var(--radius-sm);
    background: #fef2f2; border: 1px solid #fecaca;
    color: #991b1b; font-weight: 600; font-size: 0.85rem;
    margin-top: 8px;
}

/* --- CTA --- */
.cta-section { position: relative; z-index: 1; padding: 120px 0; }
.cta-box {
    background: linear-gradient(135deg, var(--c-primary-light), #ffffff);
    border: 1px solid var(--c-border); border-radius: 24px;
    padding: 80px 40px; text-align: center;
    box-shadow: var(--shadow-lg);
}
.cta-box h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.02em; }
.cta-box p  { font-size: 1.1rem; color: var(--c-text-muted); margin-bottom: 36px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* --- Footer --- */
footer {
    position: relative; z-index: 1;
    padding: 40px 0;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
}
.footer-inner { display: flex; justify-content: space-between; align-items: center; }
.footer-logo { height: 30px; opacity: 0.6; filter: grayscale(100%); }
.footer-left p { font-size: 0.85rem; color: var(--c-text-muted); margin-top: 8px; }
.footer-right { text-align: right; font-size: 0.85rem; color: var(--c-text-muted); line-height: 1.8; }
.copyright { opacity: 0.6; }

/* --- Scroll Animations --- */
.animate-on-scroll {
    opacity: 0; transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-on-scroll.visible {
    opacity: 1; transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .card-grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-links.open {
        display: flex; flex-direction: column;
        position: absolute; top: 100%; left: 0; width: 100%;
        background: var(--c-surface); padding: 24px;
        border-bottom: 1px solid var(--c-border);
        box-shadow: var(--shadow-md);
    }
    .hamburger { display: flex; }

    .hero { padding: 140px 0 80px; }
    .hero-title { font-size: 2.4rem; }
    .hero-stats { flex-direction: column; gap: 16px; padding: 24px; }
    .stat-divider { width: 40px; height: 1px; }

    .card-grid.cols-4 { grid-template-columns: 1fr; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-card.feature-wide { grid-column: span 1; }
    .metrics-grid { grid-template-columns: 1fr 1fr; }
    .ai-layout { grid-template-columns: 1fr; gap: 48px; }
    .section-title.left-align, .section-desc.left-align { text-align: center; }
    .section-desc.left-align { margin: 0 auto 48px; }

    .comparison-table { overflow-x: auto; }

    .footer-inner { flex-direction: column; text-align: center; gap: 20px; }
    .footer-right { text-align: center; }
    .cta-box { padding: 48px 24px; }
    .cta-box h2 { font-size: 1.8rem; }
}