/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --lc-red-dark: #A40729;
    --lc-red: #FB2C4B;
    --lc-orange: #FCBF2E;
    --lc-coral: #FF8069;
    --lc-gradient: linear-gradient(135deg, #A40729 0%, #FB2C4B 50%, #FCBF2E 100%);
    --lc-gradient-subtle: linear-gradient(135deg, #A40729 0%, #FB2C4B 100%);
    --ux-neon: #CCFF33;
    --ux-black: #000000;
    --ux-white: #FFFFFF;
    --ux-grey: #9FA0A2;
    --bg-cream: #FFF9F5;
    --bg-dark: #0D0D0D;
    --text-dark: #1A1A1A;
    --text-body: #333333;
    --text-light: #E0E0E0;
    --card-bg: #FFFFFF;
    --card-border: rgba(164, 7, 41, 0.1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 30px rgba(251, 44, 75, 0.15);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-cream);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== HEADER ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.header-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-logo {
    height: 36px;
    width: auto;
}

.header-badge {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--lc-coral);
    padding: 6px 14px;
    border: 1px solid var(--lc-coral);
    border-radius: 20px;
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-dark);
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 50%, rgba(164, 7, 41, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 30%, rgba(251, 44, 75, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 60% 80%, rgba(252, 191, 46, 0.05) 0%, transparent 40%);
    animation: heroGlow 8s ease-in-out infinite alternate;
}

@keyframes heroGlow {
    0% { opacity: 0.7; }
    100% { opacity: 1; }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 700px;
}

.hero-icon {
    margin-bottom: 32px;
}

.hero-icon-img {
    width: 80px;
    height: 80px;
    filter: drop-shadow(0 0 20px rgba(251, 44, 75, 0.4));
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    color: var(--ux-white);
    line-height: 1.15;
    margin-bottom: 20px;
}

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

.hero-subtitle {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--text-light);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-details {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.hero-detail-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.8);
    font-size: 0.95rem;
}

.detail-icon {
    width: 20px;
    height: 20px;
    color: var(--lc-coral);
}

.hero-cta {
    display: inline-block;
    padding: 16px 40px;
    background: var(--lc-gradient-subtle);
    color: var(--ux-white);
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(164, 7, 41, 0.3);
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(164, 7, 41, 0.4);
}

/* ===== SECTIONS ===== */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 16px;
}

.section-description {
    font-size: 1.05rem;
    color: var(--text-body);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.7;
}

/* ===== EVENT INFO ===== */
.event-info {
    padding: 100px 24px;
    background: var(--bg-cream);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.info-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.info-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.info-card-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 20px;
    color: var(--lc-red);
}

.info-card-icon svg {
    width: 100%;
    height: 100%;
}

.info-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.info-card p {
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 1.6;
}

/* ===== VENUE ===== */
.venue-section {
    padding: 80px 24px;
    background: var(--ux-white);
}

.venue-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-sm);
}

.venue-name {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.venue-room {
    font-size: 1rem;
    color: var(--text-body);
    margin-bottom: 20px;
}

.venue-map-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--lc-red);
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.venue-map-link:hover {
    color: var(--lc-red-dark);
}

/* ===== REGISTRATION ===== */
.registration {
    padding: 100px 24px;
    background: var(--bg-cream);
}

.sessions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.session-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 32px;
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.session-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--lc-gradient);
    opacity: 0;
    transition: opacity 0.3s;
}

.session-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.session-card:hover::before {
    opacity: 1;
}

.session-card.selected {
    border-color: var(--lc-red);
    box-shadow: var(--shadow-glow);
}

.session-card.selected::before {
    opacity: 1;
}

.session-card.full {
    opacity: 0.7;
    cursor: not-allowed;
}

.session-card.full .session-select-btn {
    background: var(--ux-grey);
    cursor: not-allowed;
}

.session-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.session-day {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
}

.session-date {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--lc-red);
    background: rgba(164, 7, 41, 0.08);
    padding: 4px 12px;
    border-radius: 20px;
}

.session-time {
    font-size: 1.1rem;
    color: var(--text-body);
    margin-bottom: 20px;
    font-weight: 500;
}

.session-availability {
    margin-bottom: 20px;
}

.spots-remaining {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-body);
    display: block;
    margin-bottom: 8px;
}

.spots-remaining.low {
    color: #E65100;
    font-weight: 700;
}

.spots-remaining.full {
    color: var(--lc-red);
    font-weight: 700;
}

.availability-bar {
    height: 6px;
    background: #F0F0F0;
    border-radius: 3px;
    overflow: hidden;
}

.availability-fill {
    height: 100%;
    background: var(--lc-gradient);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.availability-fill.high {
    background: linear-gradient(90deg, #E65100, #FF8069);
}

.availability-fill.full {
    background: var(--lc-red);
}

.session-select-btn {
    width: 100%;
    padding: 14px;
    background: var(--lc-gradient-subtle);
    color: var(--ux-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.session-select-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

/* ===== FORM ===== */
.form-container, .waitlist-container {
    max-width: 520px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 40px;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow-md);
    animation: slideUp 0.4s ease;
}

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

.form-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-session-label {
    font-size: 0.9rem;
    color: var(--text-body);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.form-group input {
    width: 100%;
    padding: 14px 16px;
    font-size: 0.95rem;
    font-family: 'Roboto', sans-serif;
    border: 1.5px solid #E0E0E0;
    border-radius: var(--radius-sm);
    background: #FAFAFA;
    transition: all 0.2s ease;
    color: var(--text-dark);
}

.form-group input:focus {
    outline: none;
    border-color: var(--lc-red);
    background: var(--ux-white);
    box-shadow: 0 0 0 3px rgba(164, 7, 41, 0.08);
}

.form-group input::placeholder {
    color: #BDBDBD;
}

.submit-btn {
    width: 100%;
    padding: 16px;
    background: var(--lc-gradient-subtle);
    color: var(--ux-white);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.submit-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.waitlist-btn {
    background: var(--text-body);
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.spinner {
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

/* ===== WAITLIST NOTICE ===== */
.waitlist-notice {
    text-align: center;
    padding: 24px;
    margin-bottom: 28px;
    background: rgba(164, 7, 41, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(164, 7, 41, 0.15);
}

.waitlist-notice svg {
    color: var(--lc-red);
    margin-bottom: 12px;
}

.waitlist-notice h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--lc-red-dark);
    margin-bottom: 8px;
}

.waitlist-notice p {
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 1.6;
}

/* ===== SUCCESS ===== */
.success-message {
    text-align: center;
    max-width: 520px;
    margin: 0 auto;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    border: 1px solid rgba(76, 175, 80, 0.2);
    box-shadow: var(--shadow-md);
    animation: slideUp 0.4s ease;
}

.success-message svg {
    color: #4CAF50;
    margin-bottom: 16px;
}

.success-message h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.success-message p {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.6;
}

/* ===== FOOTER ===== */
.site-footer {
    background: var(--bg-dark);
    padding: 48px 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.footer-logo {
    height: 32px;
    width: auto;
}

.footer-tagline {
    font-size: 0.8rem;
    color: var(--ux-grey);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-uniquex-logo {
    height: 22px;
    width: auto;
    opacity: 0.8;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--ux-grey);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero {
        min-height: auto;
        padding: 140px 24px 80px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-details {
        flex-direction: column;
        gap: 12px;
        align-items: center;
    }

    .venue-card {
        grid-template-columns: 1fr;
        padding: 24px;
    }

    .sessions-grid {
        grid-template-columns: 1fr;
    }

    .form-container, .waitlist-container {
        padding: 28px 20px;
    }

    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header-inner {
        padding: 12px 16px;
    }

    .header-logo {
        height: 28px;
    }

    .header-badge {
        font-size: 10px;
        padding: 4px 10px;
    }

    .hero-title {
        font-size: 1.7rem;
    }

    .section-title {
        font-size: 1.6rem;
    }
}