@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&family=Outfit:wght@300;500;700&display=swap');

:root {
    --bg-dark: #020617;
    --bg-card: rgba(15, 23, 42, 0.6);
    --primary: #3db8ff;
    --secondary: #6366f1;
    --accent: #22d3ee;
    --text-white: #f8fafc;
    --text-gray: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-white);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .nav-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

/* --- Navigation --- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 10%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-logo {
    font-size: 1.8rem;
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    margin-left: 2rem;
    font-weight: 500;
    color: var(--text-gray);
}

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

.btn-cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.6);
}

/* --- Hero Section --- */
.hero {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    padding: 0 10%;
    background: radial-gradient(circle at center, #0f172a 0%, #020617 100%);
}

/* Background blob animations */
.hero::before {
    content: '';
    position: absolute;
    top: 20%; left: 10%;
    width: 300px; height: 300px;
    background: var(--primary);
    filter: blur(150px);
    opacity: 0.2;
    z-index: -1;
    animation: pulse 8s infinite alternate;
}

@keyframes pulse {
    0% { transform: scale(1); }
    100% { transform: scale(1.5); }
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(to bottom, #fff 50%, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-gray);
    max-width: 800px;
    margin-bottom: 2.5rem;
}

/* --- Sections --- */
section {
    padding: 8rem 10%;
}

h2.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
}

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

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    transition: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

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

.glass-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
    display: block;
}

.glass-card h3 {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

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

/* --- Footer --- */
footer {
    padding: 4rem 10%;
    border-top: 1px solid var(--glass-border);
    background: #010409;
    text-align: center;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: block;
}

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

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}