:root {
    --bg-color: #0a0a0b;
    --card-bg: rgba(255, 255, 255, 0.05);
    --primary: #00f2ff;
    --secondary: #8a2be2;
    --text-main: #ffffff;
    --text-muted: #a0a0a0;
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Glassmorphism utility */
.glass {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Typography */
h1,
h2,
h3 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

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

/* Sections */
section {
    padding: 100px 5%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Navigation */
nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1000px;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    padding: 15px 30px;
}

.nav-links {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: linear-gradient(rgba(10, 10, 11, 0.8), rgba(10, 10, 11, 0.9)), url('../images/hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
}

/* Grid Layouts */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    padding: 40px;
    transition: var(--transition);
}

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


footer {
    padding: 50px 5%;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    margin-top: 100px;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        /* simple burger menu would be better, but for MVP keep it clean */
    }
}