:root {
    --bg-color: #030a1c;
    --text: #f8fafc;
    --glass: rgba(15, 23, 42, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent: #3b82f6;
}

body {
    margin: 0;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    background: radial-gradient(circle at 50% 0%, #0d2258 0%, var(--bg-color) 60%);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
}

.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(3, 10, 28, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    box-sizing: border-box;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.links a {
    color: var(--text);
    text-decoration: none;
    margin-left: 24px;
    font-weight: 500;
    transition: color 0.2s;
}

.links a:hover {
    color: #94a3b8;
}

.btn-primary {
    background: var(--text);
    color: var(--bg-color) !important;
    padding: 8px 16px;
    border-radius: 20px;
    font-weight: 600;
}

.hero {
    margin-top: 150px;
    text-align: center;
    padding: 0 20px;
}

.animated-text {
    font-size: 80px;
    font-weight: 800;
    letter-spacing: -3px;
    margin: 0;
    background: linear-gradient(90deg, #fff, #94a3b8, #fff);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shine 5s linear infinite;
}

@keyframes shine {
    to { background-position: 200% center; }
}

.subtitle {
    font-size: 22px;
    color: #94a3b8;
    max-width: 600px;
    margin: 24px auto;
    line-height: 1.5;
}

.hero-actions {
    margin-bottom: 80px;
}

.btn-primary.large {
    padding: 16px 32px;
    font-size: 18px;
    border-radius: 30px;
}

.glass-panel {
    background: var(--glass);
    backdrop-filter: blur(30px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.app-preview {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2px;
    position: relative;
}

.app-preview img {
    width: 100%;
    border-radius: 18px;
    display: block;
}

.traffic-lights {
    position: absolute;
    top: 16px;
    left: 16px;
    display: flex;
    gap: 8px;
}
.traffic-lights span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #475569;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    max-width: 1000px;
    margin: 100px auto;
    padding: 0 20px;
}

.feature-card {
    padding: 32px;
    text-align: left;
}

.feature-card h3 {
    margin-top: 0;
    font-size: 24px;
}

.feature-card p {
    color: #94a3b8;
    line-height: 1.6;
}

footer {
    text-align: center;
    padding: 40px;
    color: #64748b;
    border-top: 1px solid var(--glass-border);
}