:root {
    /* Premium Palette */
    --bg-primary: #0f1219;
    /* Deep, almost black blue */
    --bg-secondary: #1a1f2e;
    /* Slightly lighter card bg */
    --bg-tertiary: #252b3d;
    /* Hover states */

    --text-main: #e2e8f0;
    --text-muted: #94a3b8;

    --accent-gold: #d4af37;
    --accent-gold-glow: rgba(212, 175, 55, 0.4);
    --accent-cyan: #22d3ee;
    --accent-cyan-dim: rgba(34, 211, 238, 0.15);

    --font-heading: 'Outfit', 'Inter', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;

    --nav-height: 80px;
    --container-width: 1200px;
}

/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    padding-top: var(--nav-height);
    /* Space for sticky header */
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: #67e8f9;
}

img {
    max-width: 100%;
    display: block;
}

/* Typography */
h1,
h2,
h3,
h4,
.tagline {
    font-family: var(--font-heading);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 2.25rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-gold);
    border-radius: 2px;
}

p.tagline {
    font-size: 1.25rem;
    color: var(--accent-gold);
    font-weight: 500;
    margin-bottom: 2rem;
    letter-spacing: 0.5px;
}

/* Layout Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(15, 18, 25, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    z-index: 1000;
    display: flex;
    align-items: center;
}

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

header .logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: #fff;
    letter-spacing: -0.02em;
}

header nav {
    display: flex;
    gap: 2rem;
}

header nav a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

header nav a:hover {
    color: var(--accent-gold);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero {
    padding: 8rem 0 6rem;
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

.hero p.intro {
    max-width: 700px;
    margin: 0 auto 3rem;
    font-size: 1.2rem;
    color: var(--text-muted);
}

/* Cards & Content Blocks */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 2rem;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--accent-cyan-dim);
}

.card h3 {
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 1rem;
}

/* Images & Visuals */
.visual-block {
    margin: 3rem 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent-cyan);
    color: #000;
    box-shadow: 0 0 15px var(--accent-cyan-dim);
}

.btn-primary:hover {
    background: #67e8f9;
    box-shadow: 0 0 25px var(--accent-cyan-dim);
    color: #000;
}

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

.btn-outline:hover {
    background: var(--accent-gold-glow);
    color: #fff;
}

/* Footer */
footer {
    background: #0b0d12;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 4rem 0;
    margin-top: 4rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    header .container {
        flex-direction: column;
        gap: 1rem;
    }

    header nav {
        gap: 1.5rem;
        font-size: 0.9rem;
    }

    .section {
        padding: 3rem 0;
    }
}