/* SupportSense AI - Liquid Glass Design System */

:root {
    --primary: #6366f1;
    --secondary: #8b5cf6;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.18);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
    --glow: 0 0 40px rgba(99, 102, 241, 0.3);
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

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

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #e5e7eb;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    background-attachment: fixed;
    overflow-x: hidden;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }

/* Navigation */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    padding: 1.5rem 0;
    background: rgba(15, 23, 42, 0.7);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
}

.nav-content { display: flex; justify-content: space-between; align-items: center; }

.logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.25rem; font-weight: 700; color: #fff; }

.logo-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links { display: flex; align-items: center; gap: 2rem; }

.nav-link {
    color: #cbd5e1; text-decoration: none; font-weight: 500;
    transition: color 150ms ease; position: relative;
}

.nav-link::after {
    content: ''; position: absolute; bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-full);
    transition: width 300ms ease;
}

.nav-link:hover { color: #fff; }
.nav-link:hover::after { width: 100%; }

.mobile-menu-toggle { display: none; }

/* Buttons */
.btn-primary, .btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-2xl);
    font-weight: 600;
    cursor: pointer;
    transition: all 300ms ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    box-shadow: var(--shadow-lg), var(--glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.16), 0 0 60px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: var(--glass-bg);
    color: #fff;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.btn-large { padding: 1rem 2rem; font-size: 1.125rem; }

.btn-icon { width: 20px; height: 20px; }

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15), transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: #a5b4fc;
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: #6366f1;
    border-radius: var(--radius-full);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 1.5rem;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
}

.hero-description {
    font-size: 1.25rem;
    color: #cbd5e1;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: #fff;
    display: block;
}

.stat-label {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-top: 0.5rem;
}

.stat-divider {
    width: 1px;
    background: var(--glass-border);
}

/* Features Section */
.features {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: #cbd5e1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    position: relative;
    padding: 2.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px) saturate(180%);
    transition: all 300ms ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.2);
    background: rgba(255, 255, 255, 0.12);
}

.feature-card.featured {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}

.featured-badge {
    position: absolute;
    top: -12px;
    right: 2rem;
    padding: 0.375rem 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-icon {
    width: 48px;
    height: 48px;
    padding: 12px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: var(--radius-2xl);
    color: #a5b4fc;
    margin-bottom: 1.5rem;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.feature-description {
    color: #cbd5e1;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #cbd5e1;
    font-size: 0.9375rem;
}

.check-icon {
    width: 20px;
    height: 20px;
    color: #6366f1;
    flex-shrink: 0;
}

/* Benefits Section */
.benefits {
    padding: 6rem 0;
    background: rgba(15, 23, 42, 0.5);
}

.benefits-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
}

.benefit-icon-wrapper {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(139, 92, 246, 0.2));
    border-radius: var(--radius-2xl);
}

.benefit-icon {
    width: 24px;
    height: 24px;
    color: #a5b4fc;
}

.benefit-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.benefit-text {
    color: #cbd5e1;
    line-height: 1.7;
}

/* Stats Card */
.stats-card {
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    backdrop-filter: blur(20px) saturate(180%);
}

.stats-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.stats-card-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: #22c55e;
}

.pulse {
    width: 6px;
    height: 6px;
    background: #22c55e;
    border-radius: var(--radius-full);
    animation: pulse 2s ease-in-out infinite;
}

.metric-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.metric-item:last-child {
    border-bottom: none;
}

.metric-label {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 0.75rem;
}

.metric-value {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.metric-number {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
}

.metric-unit {
    font-size: 1rem;
    color: #94a3b8;
}

.metric-change {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 700;
}

.metric-change.positive {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
}

.metric-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.metric-progress {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-full);
    transition: width 1s ease;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
}

.cta-description {
    font-size: 1.125rem;
    color: #cbd5e1;
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.cta-note {
    font-size: 0.875rem;
    color: #94a3b8;
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-tagline {
    color: #94a3b8;
    margin-top: 1rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: #94a3b8;
    text-decoration: none;
    transition: color 150ms ease;
}

.footer-link:hover {
    color: #fff;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-copyright {
    color: #64748b;
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: #94a3b8;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    transition: all 300ms ease;
}

.social-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-toggle { display: flex; }
    .hero-stats { gap: 2rem; }
    .features-grid { grid-template-columns: 1fr; }
    .benefits-content { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; }
}