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

:root {
    /* Color Palette - Digital Winter */
    --bg-dark: #050a0f;
    --bg-card: rgba(13, 27, 42, 0.7);
    --accent-blue: #00b8d4;
    --accent-glow: rgba(0, 184, 212, 0.3);
    --text-primary: #f0f4f8;
    --text-secondary: #94a3b8;
    --border-glass: rgba(255, 255, 255, 0.1);
    --border-glow: rgba(0, 184, 212, 0.4);

    /* Spacing & Radii */
    --radius-lg: 16px;
    --radius-md: 8px;
    --container-width: 1200px;
    --header-height: 80px;

    /* Transitions */
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

h1,
h2,
h3,
.nav-logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

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

.glass-hover:hover {
    border-color: var(--border-glow);
    box-shadow: 0 0 20px var(--accent-glow);
    transform: translateY(-5px);
}

/* Layout Helpers */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: none;
    font-family: 'Outfit', sans-serif;
}

.btn-primary {
    background: var(--accent-blue);
    color: var(--bg-dark);
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px var(--accent-glow);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
}

.btn-outline:hover {
    background: var(--accent-blue);
    color: var(--bg-dark);
}

/* Navigation */
nav {
    height: var(--header-height);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
}

nav.scrolled {
    background: rgba(5, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glass);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-logo {
    font-size: 1.5rem;
    letter-spacing: 1px;
    color: var(--text-primary);
}

.nav-logo span {
    color: var(--accent-blue);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
}

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

/* Footer */
footer {
    background: #020508;
    padding: 80px 0 40px;
    border-top: 1px solid var(--border-glass);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 20px;
}

.footer-links h4 {
    margin-bottom: 24px;
    color: var(--text-primary);
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-secondary);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-glass);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Animations */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }

    100% {
        background-position: 200% 0;
    }
}

.shimmer-text {
    background: linear-gradient(90deg, var(--text-primary), var(--accent-blue), var(--text-primary));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 5s infinite linear;
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }

    .nav-links {
        display: none;
    }
}