:root {
    --primary-color: #007aff;
    --secondary-color: #2c3e50;
    --accent-color: #00d2ff;
    --text-color: #ffffff;
    --bg-dark: #0a0a0c;
    --card-bg: #1a1a1e;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-color);
    line-height: 1.6;
    scroll-behavior: smooth;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    background: rgba(10, 10, 12, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 1px;
}

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

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 30px;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn-nav {
    background: var(--primary-color);
    padding: 8px 16px;
    border-radius: 5px;
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at center, #1a1a2e 0%, #0a0a0c 100%);
    padding-top: 80px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero .highlight {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin-bottom: 40px;
    color: #a0a0a0;
}

.cta-group a {
    text-decoration: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    margin-right: 20px;
    display: inline-block;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-secondary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.features {
    padding: 100px 0;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border: 1px solid var(--primary-color);
}

.feature-card .icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

.feature-card p {
    color: #a0a0a0;
}

.about {
    padding: 100px 0;
    background: #000;
}

.about h2 {
    margin-bottom: 30px;
}

footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #222;
}

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

@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
}