/* ============================================================
   THEME ELEGANT – EMAS & KREM (MEWAH)
============================================================ */
:root {
    --primary: #D4AF37;          /* emas */
    --primary-dark: #242323;     /* hitam elegan */
    --bg: #FDFBF7;               /* krem sangat muda */
    --text: #2C2C2C;
    --muted: #5A5A5A;
    --card-bg: #FFFFFF;
    --border: #E8E0D5;
    --shadow: 0 8px 20px rgba(0,0,0,0.04);
    --radius: 12px;
    --transition: 0.3s;
}

* { margin:0; padding:0; box-sizing:border-box; }
body {
    font-family: 'Inter', 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Navbar */
.navbar {
    background: var(--primary-dark) !important;
    border-bottom: 2px solid var(--primary);
}
.navbar-brand { font-weight: 700; color: var(--primary) !important; letter-spacing: 1px; }
.nav-link { color: #FFFFFF !important; font-weight: 500; }
.nav-link:hover { color: var(--primary) !important; }

/* Hero */
.hero {
    background: linear-gradient(135deg, #1A1A1A 0%, #2C2C2C 100%);
    padding: 130px 0 110px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(212,175,55,0.15) 0%, transparent 70%);
    top: -200px;
    right: -200px;
}
.hero h1 {
    font-weight: 800;
    font-size: 3.5rem;
    color: var(--primary);
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.hero p { color: #CCCCCC; font-size: 1.2rem; margin: 20px 0; }
.hero .btn-warning {
    background: var(--primary);
    border: none;
    color: var(--primary-dark);
    font-weight: 700;
    padding: 14px 40px;
    border-radius: 40px;
    letter-spacing: 0.5px;
    transition: 0.3s;
}
.hero .btn-warning:hover {
    background: #C5A028;
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(212,175,55,0.3);
}

/* Sections */
.section-padding { padding: 80px 0; }
.section-title {
    font-weight: 700;
    font-size: 2.2rem;
    color: var(--primary-dark);
}
.divider {
    width: 60px;
    height: 4px;
    background: var(--primary);
    margin: 15px 0 30px;
    border-radius: 2px;
}

/* Card */
.card-custom {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
}
.card-custom:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
    border-color: var(--primary);
}
.card-custom .card-body { padding: 30px; }

/* Sponsor / Adsense */
.sponsor-card {
    border: 2px dashed var(--primary);
    border-radius: var(--radius);
    padding: 30px;
    text-align: center;
    background: #FFFDF5;
    transition: var(--transition);
    height: 100%;
}
.sponsor-card:hover {
    border-style: solid;
    background: #FFF9E6;
}

/* Grid Card */
.grid-card {
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: 0.25s;
    height: 100%;
    background: white;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.grid-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.08);
    border-color: var(--primary);
}
.grid-card .card-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    word-break: break-word;
}

/* Tabs */
.nav-tabs {
    border-bottom: 2px solid var(--border);
    margin-bottom: 30px;
}
.nav-tabs .nav-link {
    border: none;
    border-radius: 0;
    font-weight: 600;
    color: var(--muted);
    padding: 12px 24px;
    margin: 0 4px;
    transition: 0.2s;
    background: transparent;
}
.nav-tabs .nav-link.active {
    color: var(--primary-dark);
    border-bottom: 3px solid var(--primary);
    background: transparent;
}
.nav-tabs .nav-link:hover {
    color: var(--primary);
}

/* Announcement */
.announcement-section {
    background: #FFF9E6;
    border-left: 5px solid var(--primary);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

/* Grid Layout */
.grid-layout-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}
.grid-layout-row > [class*="col-"] {
    width: 100% !important;
    max-width: 100% !important;
    flex: none !important;
    padding: 0 !important;
}

/* Footer */
.footer {
    background: var(--primary-dark);
    color: #CCCCCC;
    padding: 50px 0;
}
.footer a {
    color: var(--primary);
    text-decoration: none;
}
.footer a:hover {
    color: #FFF;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.2rem; }
    .section-padding { padding: 40px 0; }
}