/* Base Variables & Theme */
:root {
    --bg-dark: #020617;
    --bg-card: rgba(15, 23, 42, 0.6);
    --gold: #d4af37;
    --gold-glow: #f9d976;
    --glass-border: rgba(255, 255, 255, 0.1);
    --gold2: #ffd700;
    --gold-glow2: rgba(255, 215, 0, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border2: rgba(255, 255, 255, 0.15);
    --primary-blue: #0b1c3f;
    --deep-blue: #08142e;
    --accent: #38bdf8;
    --text-light: #f8f9fa;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Poppins', sans-serif;
 --metallic-gold: #d4af37;

}

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

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

h1, h2, h3, h4, h5, .navbar-brand {
    font-family: var(--font-primary);
}
.hero-wrap {
    padding-top: 150px; /* adjust based on navbar height */
    
}
.logo-img {
    height: 50px;
    width: auto;
    transition: 0.3s ease;
}
.text-gold { color: var(--gold2) !important; }
.gold-text { color: var(--gold); }
.gold-text-glow {
    background: linear-gradient(45deg, #d4af37, #f9d976);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 5px rgba(212, 175, 55, 0.4));
}

.tracking-widest { letter-spacing: 0.2em; }
.py-100 { padding: 100px 0; }
.bg-black-accent { background: #010409; }

/* Animated Background */
#particle-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at 50% 50%, #0f172a 0%, #020617 100%);
}

.hero-mesh-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(at 10% 10%, rgba(56, 189, 248, 0.1) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(212, 175, 55, 0.1) 0px, transparent 50%);
    pointer-events: none;
}

/* Navbar */
.glass-navbar {
    background: rgba(2, 6, 23, 0.7);
    backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--glass-border);
    padding: 15px 0;
    transition: all 0.4s ease;
}
.gold-divider {
    height: 3px;
    width: 580px;
    background: linear-gradient(90deg, transparent, var(--metallic-gold), transparent);
}

.gold-divider-small {
    height: 2px;
    width: 100px;
    background: linear-gradient(90deg, transparent, var(--metallic-gold), transparent);
}

.navbar.scrolled {
    padding: 10px 0;
    background: rgba(2, 6, 23, 0.95);
}

/* Glassmorphism Cards */
.glass-box {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.glass-box:hover {
    border-color: var(--gold);
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

/* 3D Track Cards */
.card-3d-wrap {
    perspective: 1000px;
}

.card-3d-inner {
    transform-style: preserve-3d;
}

.icon-circle {
    width: 80px;
    height: 80px;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

/* Buttons */
.btn-premium-gold {
    background: linear-gradient(45deg, #d4af37, #f9d976);
    border: none;
    color: #020617;
    font-weight: 700;
    border-radius: 50px;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-premium-gold:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.6);
    color: #000;
}

.btn-glass-blur {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    color: white;
    border-radius: 50px;
}

.btn-gold-outline {
    border: 1px solid var(--gold);
    color: var(--gold);
    font-weight: 600;
}

/* Timeline */
.timeline-container {
    position: relative;
    padding: 40px 0;
}

.timeline-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.timeline-item {
    position: relative;
    z-index: 2;
}

.timeline-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 1.5rem;
    color: var(--gold);
}

.timeline-icon.highlight {
    background: var(--gold);
    color: var(--bg-dark);
    box-shadow: 0 0 20px var(--gold);
}

/* Form Styles */
.glass-form-wrap {
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    border: 1px solid var(--glass-border);
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,0.5);
}

.registration-sidebar {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(2, 6, 23, 0.8));
    border-right: 1px solid var(--glass-border);
}

.custom-input .form-control {
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
}

.custom-input label {
    color: rgba(255,255,255,0.5);
}

.custom-input .form-control:focus {
    background: rgba(255,255,255,0.05);
    border-color: var(--gold);
    box-shadow: none;
}

/* Animations Logic */
.reveal-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

. reveal-item.active {
    opacity: 1;
    transform: translateY(0);
}
/* Speaker Cards */
.speaker-img-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    margin-bottom: 20px;
}

.speaker-img {
    transition: var(--transition);
}

.speaker-card:hover .speaker-img {
    transform: scale(1.1);
}
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 2rem;
    height: 100%;
    transition: var(--transition);
}
.speaker-card {
    text-align: center;
    cursor: pointer;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--gold);
    transform: translateY(-10px);
}
/* Mobile Adjustments */
@media (max-width: 991px) {
    .timeline-line { display: none; }
    .hero-wrap { height: auto; padding: 150px 0 80px; }
    .display-2 { font-size: 3rem; }
}

.custom-table {
    border-collapse: separate;
    border-spacing: 0;
}
.custom-table tr td {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}