:root {
    --primary: #fac213; /* Yellow 400-ish */
    --primary-hover: #fde047;
    --bg-dark: #020617; /* Slate 950 */
    --bg-card: rgba(15, 23, 42, 0.7); /* Slate 900 with transparency */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --accent-red: #ef4444;
    --accent-blue: #3b82f6;
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Montserrat', sans-serif;
    --font-title: 'Playfair Display', serif;
    --shadow-premium: 0 20px 25px -5px rgb(0 0 0 / 0.5), 0 8px 10px -6px rgb(0 0 0 / 0.5);
}

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

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

h1, h2, h3, .font-serif {
    font-family: var(--font-title);
}

/* --- Layout & Utilities --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
}

.glass-nav {
    background: rgba(2, 6, 23, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

/* --- Animations --- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slowZoom {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

.zoom-bg {
    animation: slowZoom 20s infinite alternate linear;
}

/* --- Navigation --- */
nav .nav-content {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
}

.logo-img {
    height: 50px;
    border-radius: 8px;
    box-shadow: 0 0 15px rgba(250, 204, 21, 0.3);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

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

/* --- Buttons --- */
.btn {
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--bg-dark);
    box-shadow: 0 10px 15px -3px rgba(250, 204, 21, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.5;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--bg-dark) 20%, transparent);
}

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

.hero-subtitle {
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.3em;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.hero-subtitle::before {
    content: '';
    width: 40px;
    height: 2px;
    background: var(--primary);
}

.hero-title {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 2rem;
}

.hero-description {
    color: var(--text-muted);
    font-size: 1.2rem;
    border-left: 2px solid #334155;
    padding-left: 1.5rem;
    margin-bottom: 3rem;
}

/* --- Sections --- */
section {
    padding: 100px 0;
    display: none;
}

section.active {
    display: block;
}

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

.section-title {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* --- Forms --- */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    letter-spacing: 0.1em;
}

.form-control {
    width: 100%;
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid var(--glass-border);
    padding: 1rem;
    border-radius: 0.5rem;
    color: white;
    outline: none;
    transition: border-color 0.3s;
}

.form-control:focus {
    border-color: var(--primary);
}

/* --- Cards --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(250, 204, 21, 0.3);
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .hero-title { font-size: 3rem; }
    .nav-links { display: none; }
}