:root {
    --bg-color: #0B0B12;
    --surface-color: #16161F;
    --primary-color: #7C5CFF;
    --secondary-color: #3DF5C9;
    --text-primary: #FFFFFF;
    --text-secondary: #9E9EA7;
    --font-main: 'Inter', sans-serif;
}

body, html {
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    scroll-behavior: smooth;
    overflow-x: hidden;
}

* {
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: var(--secondary-color);
    transition: color 0.3s;
}

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

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

/* Header */
header {
    padding: 32px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    margin-left: 32px;
    color: var(--text-secondary);
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 120px 0 80px 0;
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    max-width: 800px;
}

.hero p {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 48px;
    max-width: 600px;
    line-height: 1.5;
}

.cta-button {
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-color);
    padding: 16px 40px;
    border-radius: 100px;
    font-size: 18px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(124, 92, 255, 0.3);
    color: var(--bg-color);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    padding: 80px 0;
}

.feature-card {
    background-color: var(--surface-color);
    padding: 40px;
    border-radius: 24px;
    text-align: left;
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.feature-icon {
    font-size: 32px;
    margin-bottom: 24px;
    color: var(--secondary-color);
}

/* Footer */
footer {
    padding: 80px 0 40px 0;
    border-top: 1px solid var(--surface-color);
    text-align: center;
    color: var(--text-secondary);
}

.footer-links {
    margin-bottom: 24px;
}

.footer-links a {
    margin: 0 16px;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .hero h1 { font-size: 48px; }
    .hero { padding: 80px 0 40px 0; }
}