:root {
    --primary-dark: #0a0a0c;
    --accent-blue: #00d2ff;
    --accent-green: #4ade80;
    --text-light: #f3f4f6;
    --text-dim: #9ca3af;
    --glass: rgba(255, 255, 255, 0.05);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    text-transform: uppercase;
    color: var(--text-light);
    text-decoration: none;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-blue);
}

.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 10%;
    background-size: cover;
    background-position: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, var(--primary-dark) 20%, transparent 80%);
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 900;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--accent-blue);
    color: var(--primary-dark);
    text-decoration: none;
    font-weight: 700;
    border-radius: 4px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 210, 255, 0.3);
}

section {
    padding: 100px 10%;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.card {
    background: var(--glass);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: border-color 0.3s;
}

.card:hover {
    border-color: var(--accent-blue);
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

footer {
    padding: 4rem 10%;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: var(--text-dim);
}

.quote {
    font-style: italic;
    font-size: 1.5rem;
    max-width: 800px;
    margin: 0 auto 4rem;
    color: var(--text-light);
    border-left: 4px solid var(--accent-blue);
    padding-left: 2rem;
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    nav { padding: 1rem 5%; }
    .nav-links { display: none; }
}