:root {
    --bg-dark: #030712;
    --text-primary: #f9fafb;
    --text-secondary: #9ca3af;
    --accent-purple: #7c3aed;
    --accent-blue: #3b82f6;
    --accent-glow: rgba(124, 58, 237, 0.5);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.05);
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Orbitron', sans-serif;
}

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

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

/* --- Ambient Background --- */
.bg-gradient {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(30, 27, 75, 0.4) 0%, rgba(3, 7, 18, 1) 70%);
    z-index: -2;
    animation: pulse 15s infinite ease-in-out;
}

.grid-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.1;
    z-index: -1;
    mask-image: radial-gradient(circle at center, black 40%, transparent 100%);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

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

/* --- Navigation --- */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 0;
    background: rgba(3, 7, 18, 0.7);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: white;
}

.logo-text span {
    color: var(--accent-purple);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: white;
}

.nav-links .btn-primary {
    color: white;
}

/* --- Typography & Buttons --- */
h1, h2, h3 {
    font-family: var(--font-heading);
    color: white;
}

.gradient-text {
    background: linear-gradient(135deg, white 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-primary {
    display: inline-block;
    padding: 12px 28px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    color: white;
    text-decoration: none;
    border-radius: 99px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(124, 58, 237, 0.6);
}

.btn-secondary {
    display: inline-block;
    padding: 12px 28px;
    background: transparent;
    border: 1px solid var(--glass-border);
    color: white;
    text-decoration: none;
    border-radius: 99px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: white;
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px; /* Offset for nav */
}

.hero-content {
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(124, 58, 237, 0.1);
    color: var(--accent-purple);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 99px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-sub {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* --- Sections --- */
.section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header .line {
    width: 60px;
    height: 4px;
    background: var(--accent-purple);
    border-radius: 2px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

/* --- Cards --- */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s ease;
    cursor: default;
    position: relative;
    overflow: hidden;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(255,255,255,0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
}

.glass-card:hover::before {
    opacity: 1;
}

.icon-box {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--accent-purple);
    margin-bottom: 24px;
    opacity: 0.8;
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.glass-card p {
    color: var(--text-secondary);
}

/* --- Footer --- */
footer {
    padding: 60px 0;
    border-top: 1px solid var(--glass-border);
    margin-top: 80px;
    background: rgba(3, 7, 18, 0.5);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 24px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.footer-brand span {
    color: var(--accent-purple);
}

.footer-brand p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--accent-blue);
}

/* --- Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    .hero-content {
        text-align: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .nav-links {
        display: none;
    }
}