/* ==========================================================================
   NEXUS 2026 - ULTRA-FAST MODERN DESIGN SYSTEM & GLASSMORPHISM STYLES
   ========================================================================== */

:root {
    --bg-dark: #0b0f19;
    --bg-alt: #111827;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(255, 255, 255, 0.08);
    --card-glow: rgba(59, 130, 246, 0.15);
    
    --primary: #3b82f6;
    --primary-glow: #60a5fa;
    --secondary: #8b5cf6;
    --accent: #06b6d4;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-sub: #cbd5e1;

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

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

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

/* Background Particle Canvas */
#nexus-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    pointer-events: none;
}

/* Ambient Glow Orbs */
.glow-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    pointer-events: none;
    z-index: -1;
    opacity: 0.35;
}
.orb-1 { top: -10%; left: 15%; width: 500px; height: 500px; background: radial-gradient(circle, #3b82f6, transparent); }
.orb-2 { top: 40%; right: -5%; width: 600px; height: 600px; background: radial-gradient(circle, #8b5cf6, transparent); }
.orb-3 { bottom: -10%; left: 30%; width: 550px; height: 550px; background: radial-gradient(circle, #06b6d4, transparent); }

/* Layout Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.section-padding { padding: 100px 0; }
.bg-alt { background: var(--bg-alt); }
.center { text-align: center; }
.mt-1 { margin-top: 1rem; }

/* Typography & Gradient Text */
h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    color: var(--text-main);
}

.gradient-text {
    background: linear-gradient(135deg, #60a5fa 0%, #a78bfa 50%, #38bdf8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glassmorphism Reusable Classes */
.glass-panel, .glass-card {
    background: rgba(30, 41, 59, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(96, 165, 250, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 25px 50px rgba(59, 130, 246, 0.15);
}

/* Navigation */
.navbar-glass {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.logo {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 900;
    letter-spacing: 1px;
    color: #fff;
    text-decoration: none;
}
.logo-accent { color: var(--primary); }
.nav-links { display: flex; gap: 32px; }
.nav-links a {
    color: var(--text-sub);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}
.nav-links a:hover { color: #fff; }

/* Buttons & CTA */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 700;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 25px -5px rgba(59, 130, 246, 0.4);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px -5px rgba(139, 92, 246, 0.6);
    filter: brightness(1.1);
}
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.2s;
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}
.btn-xl { padding: 16px 36px; font-size: 1.05rem; }
.w-100 { width: 100%; }

/* Hero Section */
.hero-section {
    padding: 160px 0 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

/* Compact Hero Countdown Bar */
.hero-countdown-compact {
    display: inline-flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 18px;
    border-radius: 50px;
    background: rgba(15, 23, 42, 0.85);
    border: 1px solid rgba(59, 130, 246, 0.35);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    margin-bottom: 24px;
    max-width: 100%;
}

.countdown-header-compact {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary-glow);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
}

.countdown-grid-compact {
    display: flex;
    align-items: center;
    gap: 6px;
}

.cd-box-compact {
    display: flex;
    align-items: baseline;
    gap: 4px;
    background: rgba(30, 41, 59, 0.6);
    padding: 3px 8px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.cd-number-compact {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.15rem;
    font-weight: 800;
    color: #fff;
    line-height: 1;
}

.cd-unit-compact {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-weight: 700;
}

.cd-sep-compact {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    font-weight: 800;
    color: var(--primary);
}

.hero-title {
    font-size: 3.8rem;
    line-height: 1.15;
    font-weight: 900;
    margin-bottom: 20px;
    letter-spacing: -1px;
}
.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-sub);
    margin-bottom: 36px;
    max-width: 580px;
}

.hero-cta-group { display: flex; gap: 16px; }

/* 3D Flyer Card */
.flyer-card-wrapper {
    position: relative;
    padding: 12px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}
.flyer-img {
    width: 100%;
    border-radius: var(--radius-lg);
    display: block;
    object-fit: cover;
    max-height: 520px;
}

/* Section Headers */
.section-header { margin-bottom: 60px; }
.section-subtitle {
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
    display: block;
}
.section-title { font-size: 2.5rem; font-weight: 800; }
.section-desc { font-size: 1.05rem; color: var(--text-sub); margin-top: 10px; max-width: 650px; margin-left: auto; margin-right: auto; }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.p-2rem { padding: 2.2rem; }

.card-icon { font-size: 2.4rem; margin-bottom: 16px; }
.feature-list { list-style: none; margin-top: 16px; }
.feature-list li {
    padding-left: 24px;
    position: relative;
    margin-bottom: 8px;
    font-size: 0.95rem;
    color: var(--text-sub);
}
.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 800;
}

/* Agenda Cards */
.agenda-card {
    padding: 30px;
    border-radius: var(--radius-lg);
}
.agenda-icon { font-size: 2rem; margin-bottom: 14px; }
.agenda-card h4 { font-size: 1.2rem; margin-bottom: 8px; }
.agenda-card p { font-size: 0.92rem; color: var(--text-sub); }
.featured-border { border-color: rgba(139, 92, 246, 0.5); background: rgba(139, 92, 246, 0.08); }

/* Audience Banner */
.audience-banner { padding: 48px; }
.audience-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 32px; }
.audience-item { display: flex; gap: 16px; align-items: flex-start; }
.audience-check {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    flex-shrink: 0;
}

/* Ticket Purchase Card */
.ticket-checkout-wrapper { max-width: 900px; margin: 0 auto; }
.ticket-card-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    overflow: hidden;
}
.ticket-header-box {
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.95));
    padding: 40px;
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}
.ticket-badge-pill {
    background: rgba(59, 130, 246, 0.2);
    color: var(--primary-glow);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
}
.ticket-price { font-size: 3.5rem; font-weight: 900; color: #fff; margin: 16px 0 24px; }
.price-period { font-size: 1rem; color: var(--text-muted); font-weight: 400; }
.ticket-includes-title { font-size: 0.95rem; font-weight: 700; margin-bottom: 12px; }
.ticket-checklist { list-style: none; }
.ticket-checklist li { margin-bottom: 10px; font-size: 0.9rem; color: var(--text-sub); position: relative; padding-left: 20px; }
.ticket-checklist li::before { content: "•"; position: absolute; left: 0; color: var(--primary); font-size: 1.4rem; line-height: 1; }

.ticket-form-box { padding: 40px; }
.form-group { margin-bottom: 20px; text-align: left; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 600; color: var(--text-sub); margin-bottom: 6px; }
.form-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-body);
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2); }

/* Interactive Plus / Minus Quantity Stepper */
.quantity-stepper-container {
    display: flex;
    align-items: center;
    background: rgba(15, 23, 42, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-md);
    overflow: hidden;
    max-width: 180px;
}

.qty-btn {
    width: 48px;
    height: 48px;
    background: rgba(59, 130, 246, 0.15);
    color: var(--primary-glow);
    border: none;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    cursor: pointer;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.qty-btn:hover {
    background: rgba(59, 130, 246, 0.3);
    color: #fff;
}

.qty-input-field {
    flex: 1;
    width: 50px;
    height: 48px;
    background: transparent;
    border: none;
    color: #fff;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.3rem;
    font-weight: 800;
    text-align: center;
    outline: none;
    -moz-appearance: textfield;
}

.qty-input-field::-webkit-outer-spin-button,
.qty-input-field::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.stepper-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 8px;
}

.secure-checkout-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 14px; text-align: center; }

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content { max-width: 480px; width: 90%; padding: 40px; }
.modal-icon { font-size: 3.5rem; margin-bottom: 16px; }
.qr-preview-box { background: rgba(15, 23, 42, 0.9); padding: 16px; border-radius: var(--radius-md); margin: 20px 0; }
.ticket-code-display { font-family: monospace; font-size: 1.4rem; font-weight: 700; color: var(--accent); letter-spacing: 2px; }
.modal-hint { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 20px; }

/* Footer */
.site-footer { background: #070a11; padding: 60px 0 30px; border-top: 1px solid rgba(255, 255, 255, 0.05); }
.footer-content { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-muted); text-decoration: none; font-size: 0.9rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom { text-align: center; font-size: 0.85rem; color: #475569; border-top: 1px solid rgba(255, 255, 255, 0.04); padding-top: 20px; }

/* Responsive Breakpoints */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 40px; }
    .hero-subtitle { margin-left: auto; margin-right: auto; }
    .hero-countdown-compact { align-items: center; margin-left: auto; margin-right: auto; }
    .hero-cta-group { justify-content: center; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .ticket-card-main { grid-template-columns: 1fr; }
    .ticket-header-box { border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
}

@media (max-width: 640px) {
    .hero-title { font-size: 2.6rem; }
    .grid-2, .grid-3, .audience-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .audience-banner { padding: 24px; }
    .cd-box-compact { padding: 2px 6px; }
    .cd-number-compact { font-size: 1rem; }
}
