:root {
    --primary: #3A86FF;
    --bg-light: #FBFBFE;
    --text-main: #1d1d1f;
    --text-muted: #86868b;
    --container-max: 1200px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-light);
    color: var(--text-main);
    line-height: 1.5;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

.gradient-text {
    background: linear-gradient(135deg, #FFBE0B, #FF006E, #3A86FF);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255,255,255,0.8);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid #EEE;
    height: 64px;
    display: flex;
    align-items: center;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 40px;
}

.logo { font-weight: 800; font-size: 1.5rem; }

.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--text-main); font-weight: 600; font-size: 0.9rem; }
.github-link { background: #000; color: white !important; padding: 8px 16px; border-radius: 40px; }

/* Hero */
.hero {
    padding: 120px 0;
    text-align: center;
}

.hero h1 {
    font-size: 5rem;
    font-weight: 800;
    margin: 0;
    letter-spacing: -3px;
    line-height: 1.1;
}

.subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 32px auto 60px;
}

.demo-wrapper {
    max-width: 600px;
    margin: 0 auto;
    padding: 40px;
    background: #FFF;
    border-radius: 64px;
    box-shadow: 0 40px 100px rgba(0,0,0,0.1);
}

/* Features */
.features {
    padding: 120px 0;
    background: white;
}

.features h2 { font-size: 3rem; text-align: center; margin-bottom: 80px; letter-spacing: -2px; }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.feature-card {
    padding: 40px;
    border-radius: 32px;
    background: #F5F5F7;
    transition: all 0.3s;
}

.feature-card:hover { transform: translateY(-8px); }
.f-icon { font-size: 3rem; margin-bottom: 24px; }
.feature-card h3 { font-size: 1.5rem; margin: 0 0 12px; }
.feature-card p { color: var(--text-muted); font-size: 1.1rem; }

/* How To */
.how-to { padding: 120px 0; text-align: center; }
.how-to h2 { font-size: 3rem; letter-spacing: -2px; margin-bottom: 12px; }
.how-to p { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 40px; }

.code-example {
    max-width: 800px;
    margin: 0 auto;
    background: #1d1d1f;
    color: #eee;
    padding: 40px;
    border-radius: 32px;
    text-align: left;
    font-family: 'SF Mono', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}

/* Footer */
footer {
    padding: 60px 0;
    text-align: center;
    border-top: 1px solid #EEE;
    color: var(--text-muted);
    font-weight: 600;
}

@media (max-width: 900px) {
    .hero h1 { font-size: 3.5rem; }
    .feature-grid { grid-template-columns: 1fr; }
}