:root {
    --primary: #2563EB;
    --primary-dark: #1D4ED8;
    --secondary: #64748B;
    --background: #F8FAFC;
    --surface: #FFFFFF;
    --text-main: #0F172A;
    --text-muted: #64748B;
    --border: #E2E8F0;
    --gradient: linear-gradient(135deg, #2563EB 0%, #7C3AED 100%);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-main);
    background-color: var(--background);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    height: 70px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    color: var(--text-main);
}

.logo .dot {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--secondary);
}

.nav-links a:hover {
    color: var(--primary);
}

.btn-primary-small {
    background-color: var(--text-main);
    color: white !important;
    padding: 8px 16px;
    border-radius: 99px;
    font-size: 0.875rem !important;
}

.btn-primary-small:hover {
    background-color: black;
    transform: translateY(-1px);
}

/* Hero */
.hero {
    padding-top: 140px;
    padding-bottom: 80px;
    text-align: center;
    background: radial-gradient(circle at 50% 0%, #eff6ff 0%, transparent 70%);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: #DBEAFE;
    color: var(--primary);
    border-radius: 99px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
}

.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 60px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    border: 1px solid var(--border);
    color: var(--text-main);
}

.btn-secondary:hover {
    background: #F1F5F9;
}

/* Hero Media (Video) Area */
.hero-media-container {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.hero-video {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    background: white; /* Placeholder background */
}

.hero-video:hover {
    transform: none;
}

/* Features */
.features {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.section-header p {
    color: var(--secondary);
    font-size: 1.1rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.feature-card {
    padding: 32px;
    background: #F8FAFC;
    border-radius: var(--radius);
    transition: transform 0.3s ease;
    border: 1px solid transparent;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--border);
    background: white;
    box-shadow: var(--shadow-md);
}

.icon-box {
    width: 48px;
    height: 48px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    border: 1px solid var(--border);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.feature-card p {
    color: var(--secondary);
}

/* How it works */
.how-it-works {
    padding: 100px 0;
    overflow: hidden;
}

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.steps-list {
    list-style: none;
    margin-top: 40px;
}

.steps-list li {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
}

.step-number {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    background: #DBEAFE;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.step-info h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.step-info p {
    color: var(--secondary);
    font-size: 0.95rem;
}

.visual-side {
    position: relative;
    height: 400px;
}

.abstract-shape {
    position: absolute;
    border-radius: 24px;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--gradient);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-10deg);
    opacity: 0.1;
}

.shape-2 {
    width: 280px;
    height: 340px;
    border: 2px solid var(--primary);
    top: 40%;
    left: 45%;
    transform: translate(-50%, -50%);
    border-radius: 24px;
}

/* CTA */
.cta {
    padding: 80px 0;
    background: var(--text-main);
    color: white;
}

.cta-container {
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.cta p {
    color: #94A3B8;
    margin-bottom: 32px;
    font-size: 1.1rem;
}

.btn-white {
    background: white;
    color: var(--text-main);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    display: inline-block;
}

.btn-white:hover {
    background: #F1F5F9;
    transform: scale(1.05);
}

/* Footer */
footer {
    padding: 60px 0 20px;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-col p {
    color: var(--secondary);
    margin-top: 16px;
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.link-group h5 {
    font-size: 0.9rem;
    text-transform: uppercase;
    color: var(--text-main);
    margin-bottom: 20px;
    letter-spacing: 0.05em;
}

.link-group a {
    display: block;
    color: var(--secondary);
    margin-bottom: 12px;
    font-size: 0.9rem;
}

.link-group a:hover {
    color: var(--primary);
}

.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

/* Scroll Animation Helper */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hero-title { font-size: 2.5rem; }
    .split-layout { grid-template-columns: 1fr; }
    .footer-content { flex-direction: column; gap: 40px; }
    .footer-links { gap: 40px; }
    .visual-side { display: none; }
}