:root {
    --gold: #ffd700;
    --yellow: #ffe066;
    --amber: #ffb300;
    --dark-bg: #0d0f1a;
    --panel-bg: #161a2b;
    --white: #fffbe7;
    --shadow: 0 12px 30px rgba(0,0,0,0.4);
}

/* Base */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background: radial-gradient(circle at top, rgba(255,215,0,0.12), transparent 50%),
                linear-gradient(135deg, var(--dark-bg) 0%, var(--panel-bg) 100%);
    background-attachment: fixed;
    color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
}

/* Navbar */
.navbar {
    backdrop-filter: blur(12px);
    background: rgba(10,12,26,0.82) !important;
}

.navbar-brand,
.navbar-nav .nav-link {
    color: var(--yellow) !important;
    font-family: 'Orbitron', sans-serif;
}

.navbar-brand:hover,
.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--gold) !important;
}

/* Hero */
.hero, .hero-section {
    position: relative;
    padding: 110px 0 80px;
    text-align: center;
    overflow: hidden;
}

.hero::before,
.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top, rgba(255,240,120,0.25), transparent 55%);
    pointer-events: none;
    opacity: 0.85;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid rgba(255,215,0,0.55);
    box-shadow: 0 0 40px rgba(255,215,0,0.35);
    margin: 0 auto 18px;
    overflow: hidden;
    background: radial-gradient(circle at top, rgba(255,215,0,0.25), transparent 60%);
}

.hero-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    letter-spacing: 1px;
    margin-bottom: 16px;
    text-shadow: 0 0 25px rgba(255,215,0,0.45);
}

.hero-subtitle {
    font-size: 1.15rem;
    color: rgba(255, 224, 102, 0.9);
    max-width: 720px;
    margin: 0 auto 28px;
}

.btn-primary,
.btn-golden {
    background: linear-gradient(90deg, var(--gold), var(--amber));
    border: none;
    color: var(--dark-bg);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    padding: 14px 30px;
    box-shadow: 0 18px 40px rgba(255, 215, 0, 0.2);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary:hover,
.btn-golden:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 44px rgba(255, 215, 0, 0.28);
}

/* Cards */
.card {
    background: rgba(22, 26, 43, 0.85);
    border: 1px solid rgba(255, 215, 0, 0.25);
    border-radius: 18px;
    box-shadow: var(--shadow);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.card:hover {
    transform: translateY(-6px);
    box-shadow: 0 26px 50px rgba(0, 0, 0, 0.45);
}

.card-title {
    color: var(--gold);
    font-family: 'Orbitron', sans-serif;
}

.card-img-top {
    border-radius: 16px;
}

/* Animations */
.fade-in-up {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Footer */
.footer {
    background: rgba(10, 12, 26, 0.9);
    color: var(--yellow);
    text-align: center;
    padding: 24px 0;
}

.footer a {
    color: var(--gold);
}

.footer a:hover {
    color: var(--amber);
}

/* Utility */
.shadow-glow {
    box-shadow: 0 0 40px rgba(255, 215, 0, 0.25);
}

@media (max-width: 768px) {
    .hero {
        padding: 90px 0 60px;
    }
}