/* ============================================
   EXPO 100 — Ultra-Modern Design System 2026
   Glass morphism + 3D + Gradient + Dark Mode
   ============================================ */

:root {
    --bg-primary: #050510;
    --bg-secondary: #0a0a1a;
    --bg-card: rgba(255, 255, 255, 0.03);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.4);
    --accent-1: #6C63FF;
    --accent-2: #00D9FF;
    --accent-3: #FF6B9D;
    --accent-4: #00E676;
    --gradient-primary: linear-gradient(135deg, #6C63FF 0%, #00D9FF 100%);
    --gradient-hot: linear-gradient(135deg, #FF6B9D 0%, #FF8E53 100%);
    --gradient-success: linear-gradient(135deg, #00E676 0%, #00D9FF 100%);
    --gradient-hero: linear-gradient(135deg, #0a0020 0%, #1a0040 30%, #0d002e 60%, #050510 100%);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--accent-2); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-1); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ PRELOADER ============ */
#preloader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}
#preloader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.preloader-inner { position: relative; width: 120px; height: 120px; }

.preloader-ring {
    position: absolute;
    inset: 0;
    border: 2px solid transparent;
    border-radius: 50%;
}
.preloader-ring:nth-child(1) { border-top-color: var(--accent-1); animation: spin 1.2s linear infinite; }
.preloader-ring:nth-child(2) { inset: 10px; border-right-color: var(--accent-2); animation: spin 1.5s linear infinite reverse; }
.preloader-ring:nth-child(3) { inset: 20px; border-bottom-color: var(--accent-3); animation: spin 0.9s linear infinite; }

.preloader-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 3px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============ PARTICLES CANVAS ============ */
#particles-canvas {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.4;
}

/* ============ NAVBAR ============ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(5, 5, 16, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    padding: 10px 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo { display: flex; align-items: center; gap: 8px; }
.logo-3d { display: flex; align-items: center; gap: 6px; }
.logo-icon { font-size: 24px; filter: drop-shadow(0 0 8px var(--accent-1)); }
.logo-text {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 1px;
}
.logo-accent {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links { display: flex; align-items: center; gap: 8px; }

.nav-link {
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-link:hover { color: var(--text-primary); background: var(--glass-bg); }
.nav-link.active { color: var(--accent-2); }

.nav-link-cta {
    background: var(--gradient-primary) !important;
    color: white !important;
    font-weight: 600;
    padding: 8px 18px;
    border-radius: var(--radius-lg);
}
.nav-link-cta:hover { opacity: 0.9; transform: translateY(-1px); }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============ HERO ============ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--gradient-hero);
}

.hero-bg-3d {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(ellipse 600px 400px at 20% 50%, rgba(108, 99, 255, 0.15), transparent),
        radial-gradient(ellipse 500px 500px at 80% 30%, rgba(0, 217, 255, 0.1), transparent),
        radial-gradient(ellipse 400px 300px at 60% 80%, rgba(255, 107, 157, 0.08), transparent);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(180deg, transparent 60%, var(--bg-primary) 100%);
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--accent-2);
    margin-bottom: 32px;
}

.badge-pulse {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-4);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(36px, 6vw, 72px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
}

.title-line { display: block; }

.title-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.title-large { font-size: 1.15em; }

.num-highlight {
    position: relative;
    background: var(--gradient-hot);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-size: 1.2em;
}

.hero-subtitle {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--text-secondary);
    margin-bottom: 48px;
    line-height: 1.7;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.stat-item { text-align: center; }

.stat-num {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
}

/* Hero Actions */
.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-lg);
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 24px rgba(108, 99, 255, 0.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(108, 99, 255, 0.5);
    color: white;
}

.btn-glow { animation: btnGlow 3s infinite; }
@keyframes btnGlow {
    0%, 100% { box-shadow: 0 4px 24px rgba(108, 99, 255, 0.3); }
    50% { box-shadow: 0 4px 40px rgba(108, 99, 255, 0.6), 0 0 60px rgba(0, 217, 255, 0.2); }
}

.btn-glass {
    background: var(--glass-bg);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}
.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    color: white;
}

.btn-full { width: 100%; justify-content: center; }

.btn-arrow { transition: var(--transition); }
.btn-glass:hover .btn-arrow { transform: translateX(4px); }

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.scroll-mouse {
    width: 24px;
    height: 40px;
    border: 2px solid var(--glass-border);
    border-radius: 12px;
    position: relative;
}

.scroll-wheel {
    width: 3px;
    height: 8px;
    background: var(--accent-2);
    border-radius: 2px;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollWheel 2s infinite;
}

@keyframes scrollWheel {
    0% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(16px); }
}

/* ============ SECTIONS ============ */
.section {
    position: relative;
    z-index: 1;
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 3px;
    color: var(--accent-2);
    margin-bottom: 20px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(28px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transition: var(--transition);
}
.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
    box-shadow: var(--glass-shadow);
}

/* ============ ABOUT ============ */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.about-card {
    padding: 32px;
    text-align: center;
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.card-icon-3d {
    filter: drop-shadow(0 4px 12px rgba(108, 99, 255, 0.3));
    transition: var(--transition);
}
.about-card:hover .card-icon-3d {
    transform: scale(1.15) rotateY(15deg);
    filter: drop-shadow(0 8px 24px rgba(108, 99, 255, 0.5));
}

.about-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* ============ LOCATIONS ============ */
.locations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.location-card {
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.location-card.loc-large {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 32px;
    align-items: center;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(0, 217, 255, 0.05));
}

.loc-number {
    font-family: var(--font-display);
    font-size: 64px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.5;
    line-height: 1;
}

.loc-content h3 {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.loc-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 12px;
}

.loc-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(108, 99, 255, 0.15);
    color: var(--accent-1);
    font-size: 12px;
    font-weight: 600;
}

.loc-3d-element {
    position: absolute;
    right: -40px;
    top: -40px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1), transparent 70%);
    pointer-events: none;
}

/* ============ PROGRAM ============ */
.program-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.program-tab {
    padding: 12px 28px;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.program-tab span {
    display: block;
    font-size: 12px;
    font-weight: 400;
    color: var(--text-muted);
    margin-top: 2px;
}
.program-tab:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-primary); }
.program-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}
.program-tab.active span { color: rgba(255, 255, 255, 0.8); }

.program-day { display: none; }
.program-day.active { display: block; }

.program-track { margin-bottom: 32px; }

.track-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    margin-bottom: 16px;
}
.track-icon { font-size: 24px; }
.track-header h4 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
}

.track-items { padding-left: 20px; border-left: 2px solid var(--glass-border); }

.track-item {
    display: flex;
    gap: 20px;
    padding: 16px 0 16px 20px;
    position: relative;
    transition: var(--transition);
}
.track-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 22px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent-1);
    border: 2px solid var(--bg-primary);
}
.track-item:hover { transform: translateX(8px); }

.track-time {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 14px;
    color: var(--accent-2);
    white-space: nowrap;
    min-width: 50px;
}

.track-info h5 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.track-info p { font-size: 14px; color: var(--text-secondary); }

/* ============ SPEAKERS ============ */
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.speaker-card {
    padding: 32px 20px;
    text-align: center;
}

.speaker-avatar {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 16px;
}

.avatar-placeholder {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 24px;
    color: white;
    position: relative;
    z-index: 1;
}

.speaker-glow {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.3;
    filter: blur(8px);
    transition: var(--transition);
}
.speaker-card:hover .speaker-glow { opacity: 0.6; inset: -8px; }

.speaker-card h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
}

.speaker-role {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

.speaker-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    background: rgba(0, 217, 255, 0.1);
    color: var(--accent-2);
    font-size: 11px;
    font-weight: 600;
}

/* ============ PARTNERS ============ */
.partners-benefits {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.benefit-card {
    padding: 32px;
    text-align: center;
}

.benefit-icon {
    font-size: 40px;
    margin-bottom: 16px;
    display: block;
}

.benefit-card h4 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.benefit-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* Referral */
.referral-section {
    padding: 48px;
    text-align: center;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.1), rgba(255, 107, 157, 0.05)) !important;
}

.referral-content h3 {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
}

.referral-content > p {
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.referral-tiers {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.tier-card {
    padding: 24px 32px;
    border-radius: var(--radius-lg);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    text-align: center;
    min-width: 200px;
}

.tier-percent {
    display: block;
    font-family: var(--font-display);
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 8px;
}

.tier-label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-2);
    margin-bottom: 8px;
}

.tier-card p {
    font-size: 13px;
    color: var(--text-muted);
}

/* ============ DIGITAL PLATFORM ============ */
.platform-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
}

.platform-card {
    padding: 32px;
    text-align: center;
}

.platform-icon-wrap {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(108, 99, 255, 0.2), rgba(0, 217, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}
.platform-card:hover .platform-icon-wrap { transform: scale(1.1) rotateZ(5deg); }

.platform-icon { font-size: 32px; }

.platform-card h4 {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.platform-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

/* ============ SUPPORTERS ============ */
.supporters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 48px;
}

.supporter-item {
    padding: 24px 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.official-partners {
    text-align: center;
}

.official-partners h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
}

.partners-logos {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.partner-logo {
    padding: 20px 32px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============ CONTACTS ============ */
.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-bottom: 32px;
}

.contact-card {
    padding: 32px;
    text-align: center;
}

.contact-icon {
    font-size: 32px;
    display: block;
    margin-bottom: 12px;
}

.contact-card h4 {
    font-family: var(--font-display);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact-card a, .contact-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.social-link {
    padding: 6px 16px;
    border-radius: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    font-size: 13px;
    font-weight: 600;
}
.social-link:hover {
    background: var(--accent-1);
    color: white;
    border-color: var(--accent-1);
}

.org-info {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid var(--glass-border);
}
.org-info p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* ============ FOOTER ============ */
.footer {
    position: relative;
    z-index: 1;
    padding: 48px 0;
    border-top: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.3);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.footer-content > p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
}

/* ============ AI FLOAT BTN ============ */
.ai-float-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 999;
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 24px rgba(108, 99, 255, 0.4);
    transition: var(--transition);
}
.ai-float-btn:hover { transform: scale(1.1); }

.ai-float-icon { font-size: 28px; position: relative; z-index: 1; }

.ai-float-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.4;
    animation: pulse 2s infinite;
}

/* ============ LEAD FORM ============ */
.lead-form {
    padding: 40px;
    margin-top: 32px;
    text-align: center;
}

.lead-form h3 {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.lead-form > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.lead-form input, .lead-form select {
    width: 100%;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 14px;
    transition: var(--transition);
    margin-bottom: 12px;
}
.lead-form input:focus, .lead-form select:focus {
    outline: none;
    border-color: var(--accent-1);
    box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
}
.lead-form input::placeholder { color: var(--text-muted); }
.lead-form select { appearance: none; cursor: pointer; }
.lead-form select option { background: var(--bg-primary); }

/* ============ ERROR OVERLAY ============ */
.error-overlay {
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 9999;
    max-width: 400px;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.error-card {
    padding: 20px;
}

.error-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.error-header h4 {
    flex: 1;
    font-size: 16px;
    font-weight: 700;
}

.error-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
}

.error-code {
    font-family: 'Courier New', monospace;
    font-size: 13px;
    color: var(--accent-3);
    margin-bottom: 4px;
}

.error-message {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.error-hint {
    font-size: 12px;
    color: var(--accent-4);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(5, 5, 16, 0.97);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 16px;
        z-index: 100;
    }
    .nav-links.active { display: flex; }
    .nav-toggle { display: flex; z-index: 101; }

    .hero-stats { gap: 16px; }
    .stat-divider { width: 24px; height: 1px; }

    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }

    .form-row { grid-template-columns: 1fr; }

    .location-card.loc-large { grid-template-columns: 1fr; }

    .referral-section { padding: 32px 20px; }
    .referral-tiers { flex-direction: column; align-items: center; }

    .section { padding: 64px 0; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 32px; }
    .section-title { font-size: 24px; }
    .loc-number { font-size: 40px; }
}