/* ============================================
   ICBC EXPO 2026 — Premium Stylesheet
   Brand: Pink (#FF00FF → #E040FB) + Blue (#3D5AFE)
   ============================================ */

:root {
    --pink: #E040FB;
    --pink-bright: #FF00FF;
    --blue: #3D5AFE;
    --blue-light: #7986CB;
    --gradient: linear-gradient(135deg, var(--pink) 0%, var(--blue) 100%);
    --gradient-glow: linear-gradient(135deg, rgba(224,64,251,0.3) 0%, rgba(61,90,254,0.3) 100%);
    --bg: #07090f;
    --bg2: #0d1117;
    --bg3: #111827;
    --surface: rgba(255,255,255,0.04);
    --surface-hover: rgba(255,255,255,0.07);
    --border: rgba(255,255,255,0.08);
    --border-accent: rgba(224,64,251,0.3);
    --text: #ffffff;
    --text-muted: #8892a4;
    --text-dim: #4a5568;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 7px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    --glow-pink: 0 0 30px rgba(224,64,251,0.3);
    --glow-blue: 0 0 30px rgba(61,90,254,0.3);
    --max-w: 1240px;
    --header-h: 72px;
    --ticker-h: 38px;
}

/* -------- Reset -------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* -------- Per-image shimmer skeleton -------- */
.img-wrap {
    position: relative;
    overflow: hidden;
    background: var(--bg3);
}
.img-wrap::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--bg3) 25%, rgba(255,255,255,0.04) 50%, var(--bg3) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    z-index: 1;
    transition: opacity 0.4s ease;
}
.img-wrap.loaded::before { opacity: 0; pointer-events: none; }
/* Circular images keep shimmer circular */
.cmte-photo-wrap.img-wrap::before,
.coord-photo-wrap.img-wrap::before { border-radius: 50%; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.footer-org-text {
    font-size: 0.78rem;
    color: var(--text-dim);
    margin-bottom: 1rem;
    line-height: 1.5;
}
.footer-org-text strong { color: var(--pink); font-weight: 600; }

/* -------- Hero organised-by block -------- */
.hero-organised {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--border-accent);
    border-radius: 99px;
    width: fit-content;
    background: rgba(224,64,251,0.06);
}
.org-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-dim);
    font-weight: 600;
}
.org-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text);
}
.org-short {
    font-size: 0.72rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* -------- COAB logo in footer (kept for fallback) -------- */
.footer-coab-logo {
    height: 52px;
    width: auto;
    margin-bottom: 1rem;
}

/* -------- Mobile Committee Carousel -------- */
@media (max-width: 768px) {
    .committee-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 1rem;
        margin-bottom: 2rem;
        padding-bottom: 1rem;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .committee-grid::-webkit-scrollbar { display: none; }
    .cmte-card {
        min-width: 85vw;
        scroll-snap-align: start;
        flex-shrink: 0;
    }
    .committee-swipe-hint {
        text-align: center;
        color: var(--text-dim);
        font-size: 0.78rem;
        margin-bottom: 2rem;
        display: none;
    }
}
@media (min-width: 769px) {
    .committee-swipe-hint { display: none; }
}
@media (max-width: 768px) {
    .committee-swipe-hint { display: block; }
}


img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
h1,h2,h3,h4 { font-family: 'Outfit', sans-serif; line-height: 1.15; }

/* -------- Utilities -------- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; width: 100%; }
.section { padding: 7rem 1.5rem; }
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.eyebrow {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--pink);
    margin-bottom: 1rem;
}
.section-header { text-align: center; margin-bottom: 4rem; }
.section-header h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: 1rem; }
.section-sub { color: var(--text-muted); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.btn-full { width: 100%; display: block; text-align: center; }

/* -------- Buttons -------- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-xs);
    font-weight: 600;
    font-size: 0.95rem;
    font-family: 'Outfit', sans-serif;
    transition: var(--transition);
    white-space: nowrap;
}
.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(224,64,251,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(224,64,251,0.45); filter: brightness(1.1); }
.btn-outline {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border-accent);
}
.btn-outline:hover { border-color: var(--pink); background: rgba(224,64,251,0.08); }
.btn-secondary {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-secondary:hover { background: var(--surface-hover); }
.btn-whatsapp {
    background: #25D366;
    color: #fff;
    box-shadow: 0 4px 15px rgba(37,211,102,0.3);
}
.btn-whatsapp:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,211,102,0.45); }
.btn-nav {
    background: var(--gradient);
    color: #fff;
    padding: 0.6rem 1.4rem;
    font-size: 0.88rem;
    box-shadow: none;
}
.btn-nav:hover { transform: none; filter: brightness(1.1); }

/* -------- Ticker -------- */
.ticker-bar {
    height: var(--ticker-h);
    background: var(--gradient);
    overflow: hidden;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 200;
}
.ticker-track {
    display: flex;
    gap: 4rem;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}
@keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* -------- Header -------- */
#header {
    position: sticky;
    top: 0;
    height: var(--header-h);
    display: flex;
    align-items: center;
    z-index: 100;
    transition: var(--transition);
    background: rgba(7,9,15,0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
}
#header.scrolled {
    background: rgba(7,9,15,0.92);
    border-bottom-color: var(--border);
    box-shadow: 0 4px 24px rgba(0,0,0,0.5);
}
.nav-container {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 1.5rem;
    width: 100%;
}
.logo { flex-shrink: 0; }
.logo img { height: 88px; width: auto; }
.logo-fallback {
    display: none;
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 1.35rem;
    color: var(--text);
    align-items: center;
    gap: 6px;
}
.logo-fallback em {
    font-style: normal;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.nav-links { display: flex; gap: 2rem; flex: 1; justify-content: center; }
.nav-links a {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 0.3px;
    transition: var(--transition);
    position: relative;
    padding-bottom: 2px;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 0;
    width: 0; height: 2px;
    background: var(--gradient);
    transition: var(--transition);
    border-radius: 2px;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--text); }
.nav-cta { flex-shrink: 0; }
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 6px;
    margin-left: auto;
}
.mobile-menu-btn span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}
.mobile-menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-btn.open span:nth-child(2) { opacity: 0; }
.mobile-menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------- Mobile Drawer -------- */
.mobile-drawer {
    position: fixed;
    top: 0; right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--bg2);
    border-left: 1px solid var(--border);
    z-index: 300;
    padding: 6rem 2rem 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    transform: translateX(100%);
    transition: transform 0.38s cubic-bezier(0.4,0,0.2,1);
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer ul { display: flex; flex-direction: column; gap: 0.5rem; }
.mobile-drawer a {
    display: block;
    padding: 0.9rem 0;
    font-size: 1.1rem;
    font-weight: 600;
    border-bottom: 1px solid var(--border);
    color: var(--text-muted);
}
.mobile-drawer a:hover { color: var(--text); }
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    z-index: 299;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    backdrop-filter: blur(4px);
}
.drawer-overlay.open { opacity: 1; pointer-events: all; }

/* -------- Hero -------- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 0 5rem;
}
#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}
.hero-badge {
    display: inline-block;
    background: rgba(224,64,251,0.12);
    border: 1px solid var(--border-accent);
    color: var(--pink);
    padding: 0.45rem 1rem;
    border-radius: 99px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}
.hero-text h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}
.hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}
.hero-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}
.meta-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 0.55rem 1.1rem;
    border-radius: 99px;
    font-size: 0.9rem;
    font-weight: 500;
}
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero-visual { display: flex; justify-content: center; align-items: center; }
.hero-card-stack {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.glow-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: var(--gradient-glow);
    filter: blur(40px);
    animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 0.9; transform: scale(1.08); } }
.hero-logo-img { width: 260px; height: auto; position: relative; z-index: 2; }
.floating-badge {
    position: absolute;
    background: rgba(13,17,23,0.9);
    border: 1px solid var(--border-accent);
    color: var(--pink);
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.82rem;
    font-weight: 700;
    animation: floatBadge 3s ease-in-out infinite;
    z-index: 3;
}
.badge-1 { top: 20px; right: 0; animation-delay: 0s; }
.badge-2 { bottom: 60px; left: -10px; animation-delay: 1s; }
.badge-3 { bottom: 20px; right: 20px; animation-delay: 2s; }
@keyframes floatBadge { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hero-scroll-hint {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}
.scroll-arrow {
    width: 24px; height: 24px;
    border-right: 2px solid var(--text-muted);
    border-bottom: 2px solid var(--text-muted);
    transform: rotate(45deg);
    animation: bounce 1.5s ease-in-out infinite;
}
@keyframes bounce { 0%,100% { transform: rotate(45deg) translateY(0); } 50% { transform: rotate(45deg) translateY(6px); } }

/* -------- Stats Bar -------- */
.stats-bar {
    background: var(--bg2);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2.5rem 1.5rem;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
    max-width: var(--max-w);
    margin: 0 auto;
}
.stat-item { display: flex; flex-direction: column; gap: 0.25rem; }
.stat-num {
    font-family: 'Outfit', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}
.stat-suf {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-left: -4px;
}
.stat-lbl { font-size: 0.82rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1.5px; margin-top: 0.25rem; }

/* -------- About -------- */
.about-section { background: var(--bg); }
.two-col-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}
.about-left h2 { font-size: clamp(1.8rem, 3.5vw, 2.5rem); margin-bottom: 1.5rem; }
.about-left p { color: var(--text-muted); margin-bottom: 1.2rem; line-height: 1.8; }
.about-left strong { color: var(--text); }
.about-actions { margin-top: 2rem; }
.about-img-wrap {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    min-height: 380px;
    background: var(--bg3);
    border: 1px solid var(--border);
}
.about-img-wrap img { width: 100%; height: 100%; object-fit: cover; }
.img-placeholder { display: flex; align-items: center; justify-content: center; color: var(--text-dim); font-size: 0.9rem; }
.img-placeholder::after { content: 'Drop assets/about-img.webp here'; }
.about-badge-card {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    background: rgba(7,9,15,0.9);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.82rem;
    font-weight: 600;
}
.about-badge-card img { width: 30px; height: 30px; object-fit: contain; }

/* -------- Why Attend -------- */
.why-section { background: var(--bg2); }
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}
.why-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.2rem 2rem;
    transition: var(--transition);
}
.why-card:hover {
    border-color: var(--border-accent);
    background: var(--surface-hover);
    transform: translateY(-6px);
    box-shadow: var(--glow-pink);
}
.why-icon { font-size: 2.4rem; margin-bottom: 1.2rem; }
.why-card h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.why-card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; }

/* -------- Exhibitors -------- */
.exhibitors-section { background: var(--bg); }
.categories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}
.cat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.8rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
}
.cat-card:hover { border-color: var(--border-accent); background: var(--surface-hover); }
.cat-card.cat-cta {
    flex-direction: column;
    align-items: flex-start;
    background: var(--gradient-glow);
    border-color: var(--border-accent);
}
.cat-card.cat-cta p { color: var(--text-muted); font-weight: 400; font-size: 0.9rem; margin-bottom: 1rem; }
.cat-icon { font-size: 1.8rem; flex-shrink: 0; }

/* -------- Stall -------- */
.stall-section { background: var(--bg2); }
.stall-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-bottom: 3rem;
}
.stall-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.75rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transition: var(--transition);
}
.stall-card:hover { transform: translateY(-6px); }
.stall-galaxy {
    background: linear-gradient(135deg, rgba(224,64,251,0.12), rgba(61,90,254,0.12));
    border-color: var(--border-accent);
    box-shadow: var(--shadow), 0 0 40px rgba(224,64,251,0.1);
}
.stall-top { display: flex; justify-content: space-between; align-items: flex-start; }
.stall-icon { font-size: 2rem; }
.stall-badge-label {
    background: var(--gradient);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 0.25rem 0.6rem;
    border-radius: 99px;
    letter-spacing: 0.5px;
}
.stall-card h3 { font-size: 1.3rem; }
.stall-size {
    font-family: 'Outfit', sans-serif;
    font-size: 1.6rem;
    font-weight: 800;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stall-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.6; flex: 1; }
.stall-footer-cta {
    text-align: center;
    padding: 2.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.stall-footer-cta p { color: var(--text-muted); margin-bottom: 1.5rem; }
.stall-contact-btns { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

/* -------- Speakers -------- */
.speakers-section { background: var(--bg); }
.speakers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.speaker-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}
.speaker-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    flex-shrink: 0;
    color: #fff;
}
.speaker-info h4 { font-size: 1rem; margin-bottom: 0.25rem; }
.speaker-info span { font-size: 0.8rem; color: var(--pink); display: block; margin-bottom: 0.5rem; }
.speaker-info p { font-size: 0.82rem; color: var(--text-muted); }
.placeholder-card { opacity: 0.5; }
.speakers-note { text-align: center; color: var(--text-muted); font-size: 0.9rem; }
.speakers-note a { color: var(--pink); }

/* -------- Schedule -------- */
.schedule-section { background: var(--bg2); }
.schedule-tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}
.tab-btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xs);
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}
.tab-btn:hover { color: var(--text); border-color: var(--pink); }
.tab-btn.active {
    background: var(--gradient);
    border-color: transparent;
    color: #fff;
    box-shadow: var(--glow-pink);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.timeline { display: flex; flex-direction: column; gap: 1.25rem; }
.tl-item {
    display: flex;
    gap: 2rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid;
    border-image: var(--gradient) 1;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 1.5rem;
    align-items: flex-start;
}
.tl-time {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--pink);
    min-width: 80px;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-top: 2px;
}
.tl-body h4 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.tl-body p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.6; }

/* Venue Strip */
.venue-strip {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    flex-wrap: wrap;
    margin-top: 3rem;
    background: linear-gradient(135deg, rgba(224,64,251,0.08), rgba(61,90,254,0.08));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    padding: 2.5rem 3rem;
}
.venue-info {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}
.venue-icon { font-size: 2.5rem; margin-top: 0.2rem; }
.venue-info h3 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; color: var(--pink); margin-bottom: 0.5rem; }
.venue-name-big { font-family: 'Outfit', sans-serif; font-size: 1.35rem; font-weight: 700; margin-bottom: 0.35rem; }
.venue-address { color: var(--text-muted); margin-bottom: 0.5rem; }
.venue-note { font-size: 0.85rem; color: var(--text-muted); }
.venue-badges { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.v-badge {
    background: var(--gradient);
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-xs);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.88rem;
}

/* -------- Gallery -------- */
.gallery-section { background: var(--bg); }
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 220px;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.gallery-item {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    background: var(--bg3);
    transform: translateZ(0);       /* promote to own GPU layer */
    will-change: transform;         /* hint browser ahead of scroll */
    contain: layout style;          /* isolate layout recalc */
}
.gallery-item.g-wide { grid-column: span 2; }
.gallery-item.g-tall { grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; display: block; }
.gallery-item:hover img { transform: scale(1.06); }
.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(7,9,15,0.7), transparent);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 1rem;
    opacity: 0;
    transition: var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-overlay span { color: #fff; font-size: 0.82rem; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.img-missing { background: var(--bg3); display: flex; align-items: center; justify-content: center; }
.img-missing::after { content: 'Add photo to assets/gallery/'; color: var(--text-dim); font-size: 0.78rem; }
.img-missing img { display: none; }
.gallery-note { text-align: center; color: var(--text-dim); font-size: 0.82rem; }
.gallery-note code { background: var(--surface); padding: 2px 6px; border-radius: 4px; }

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.92);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
    backdrop-filter: blur(8px);
}
.lightbox.open { opacity: 1; pointer-events: all; }
.lightbox img { max-height: 85vh; max-width: 90vw; border-radius: var(--radius-sm); box-shadow: 0 0 60px rgba(0,0,0,0.8); }
.lb-close {
    position: absolute;
    top: 1.5rem; right: 1.5rem;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    z-index: 1001;
}
.lb-close:hover { background: var(--surface-hover); }

/* -------- Sponsors -------- */
.sponsors-section { background: var(--bg2); }
.sponsor-tiers { display: flex; flex-direction: column; gap: 2rem; }
.sponsor-tier {
    border-radius: var(--radius);
    border: 1px solid var(--border);
    padding: 2rem 2.5rem;
}
.tier-titanium { background: linear-gradient(135deg, rgba(224,64,251,0.12), rgba(61,90,254,0.12)); border-color: var(--border-accent); }
.tier-platinum { background: rgba(192,192,192,0.05); border-color: rgba(192,192,192,0.2); }
.tier-elite { background: rgba(255,215,0,0.04); border-color: rgba(255,215,0,0.15); }
.tier-associate { background: var(--surface); }
.tier-label {
    font-family: 'Outfit', sans-serif;
    font-weight: 800;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
}
.tier-titanium .tier-label { background: var(--gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.tier-platinum .tier-label { color: #C0C0C0; }
.tier-elite .tier-label { color: #FFD700; }
.tier-associate .tier-label { color: var(--text-muted); }
.sponsor-logos { display: flex; gap: 1.25rem; flex-wrap: wrap; align-items: center; }
.sponsor-logo-box {
    background: var(--bg3);
    border: 1px dashed var(--border);
    border-radius: var(--radius-sm);
    width: 180px; height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dim);
    font-size: 0.78rem;
    font-style: italic;
}
.sponsor-logo-box.sm { width: 130px; height: 60px; }
.sponsors-cta { text-align: center; color: var(--text-muted); font-size: 0.9rem; margin-top: 1.5rem; }
.sponsors-cta a { color: var(--pink); }

/* -------- Contact -------- */
.contact-section { background: var(--bg); }
.contact-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 3rem;
    align-items: start;
}
.contact-left { display: flex; flex-direction: column; gap: 1rem; }
.contact-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.5rem;
    transition: var(--transition);
}
a.contact-card:hover { border-color: var(--border-accent); transform: translateX(4px); }
.contact-card.no-link { cursor: default; }
.contact-card-icon { font-size: 1.6rem; }
.contact-label { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 3px; }
.contact-value { display: block; font-weight: 600; font-size: 0.98rem; }
.contact-right h3 { font-size: 1.3rem; margin-bottom: 1.5rem; }
.social-links { display: flex; flex-direction: column; gap: 0.75rem; margin-bottom: 2.5rem; }
.social-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    border: 1px solid var(--border);
}
.social-btn.facebook { background: rgba(24,119,242,0.1); border-color: rgba(24,119,242,0.3); color: #1877F2; }
.social-btn.facebook:hover { background: rgba(24,119,242,0.2); }
.social-btn.youtube { background: rgba(255,0,0,0.1); border-color: rgba(255,0,0,0.3); color: #FF0000; }
.social-btn.youtube:hover { background: rgba(255,0,0,0.2); }
.quick-cta-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
}
.quick-cta-box p { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 1.25rem; }
.quick-cta-box .btn { margin-bottom: 0.75rem; }

/* -------- Footer -------- */
.site-footer {
    background: #030508;
    border-top: 1px solid var(--border);
    padding: 5rem 1.5rem 2rem;
}
.footer-grid {
    max-width: var(--max-w);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border);
}
.footer-logo { height: 44px; margin-bottom: 1.25rem; }
.footer-logo-text {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1.25rem;
}
.footer-brand-col p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; margin-bottom: 1.5rem; }
.footer-social { display: flex; gap: 0.75rem; }
.footer-social a {
    width: 38px; height: 38px;
    border-radius: 50%;
    background: var(--surface);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}
.footer-social a:hover { border-color: var(--pink); color: var(--text); }
.footer-links-col h4,
.footer-contact-col h4,
.footer-event-col h4 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}
.footer-links-col ul,
.footer-contact-col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-links-col a,
.footer-contact-col li { font-size: 0.88rem; color: var(--text-muted); transition: var(--transition); }
.footer-links-col a:hover { color: var(--text); }
.footer-contact-col a:hover { color: var(--pink); }
.footer-event-box { display: flex; flex-direction: column; gap: 1rem; }
.fe-row { display: flex; flex-direction: column; gap: 2px; }
.fe-row span { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }
.fe-row strong { font-size: 0.9rem; color: var(--text); }
.footer-bottom {
    max-width: var(--max-w);
    margin: 2rem auto 0;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.82rem;
}
.footer-bottom strong { color: var(--text-muted); font-weight: 600; }

/* -------- WhatsApp Float -------- */
.whatsapp-float {
    position: fixed;
    bottom: 2rem; right: 2rem;
    width: 58px; height: 58px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37,211,102,0.5);
    z-index: 500;
    transition: var(--transition);
    animation: waPulse 2.5s ease-in-out infinite;
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 8px 30px rgba(37,211,102,0.65); }
@keyframes waPulse {
    0%,100% { box-shadow: 0 4px 20px rgba(37,211,102,0.5), 0 0 0 0 rgba(37,211,102,0.3); }
    50% { box-shadow: 0 4px 20px rgba(37,211,102,0.5), 0 0 0 12px rgba(37,211,102,0); }
}

/* -------- Animations -------- */
.reveal, .reveal-fast {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.75s ease, transform 0.75s ease;
}
.reveal-fast { transition-duration: 0.5s; }
.reveal.active, .reveal-fast.active { opacity: 1; transform: translateY(0); }

/* -------- RESPONSIVE -------- */
@media (max-width: 1100px) {
    .stall-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 3rem; }
    .gallery-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
    .section { padding: 5rem 1rem; }
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-visual { display: none; }
    .hero-meta { justify-content: center; }
    .hero-ctas { justify-content: center; }
    .two-col-layout { grid-template-columns: 1fr; gap: 3rem; }
    .about-right { display: none; }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .categories-grid { grid-template-columns: repeat(2, 1fr); }
    .speakers-grid { grid-template-columns: 1fr 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .nav-links, .nav-cta { display: none; }
    .mobile-menu-btn { display: flex; }
    .venue-strip { flex-direction: column; padding: 2rem; }
}

/* -------- Committee -------- */
.committee-section { background: var(--bg); }
.committee-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}
.cmte-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}
.cmte-card:hover { border-color: var(--border-accent); }
.cmte-header {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}
.cmte-photo-wrap {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    padding: 3px;
    background: var(--gradient);
    flex-shrink: 0;
}
.cmte-photo-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    background: var(--bg3);
}
.cmte-photo-wrap.no-photo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    background: var(--gradient);
}
.cmte-photo-wrap.no-photo::after { content: '👤'; }
.cmte-photo-wrap.no-photo img { display: none; }
.cmte-role-tag {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--pink);
    margin-bottom: 0.5rem;
}
.cmte-title h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.cmte-title span { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; display: block; }
.cmte-message {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.8;
    border-left: 3px solid var(--border-accent);
    padding-left: 1rem;
    margin: 0;
    font-style: italic;
}

/* Coordinator Card */
.coordinator-card {
    background: linear-gradient(135deg, rgba(224,64,251,0.08), rgba(61,90,254,0.08));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    padding: 2.5rem;
    text-align: center;
}
.coord-label {
    display: inline-block;
    background: var(--gradient);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    padding: 0.35rem 1rem;
    border-radius: 99px;
    margin-bottom: 1.5rem;
}
.coord-info {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}
.coord-photo-wrap {
    width: 116px;
    height: 116px;
    border-radius: 50%;
    padding: 3px;
    background: var(--gradient);
    flex-shrink: 0;
}
.coord-photo-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    background: var(--bg3);
}
.coord-photo-wrap.no-photo {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    background: var(--gradient);
}
.coord-photo-wrap.no-photo::after { content: '👤'; }
.coord-photo-wrap.no-photo img { display: none; }
.coord-info h3 { font-size: 1.3rem; margin-bottom: 0.3rem; }
.coord-info p { color: var(--text-muted); font-size: 0.88rem; }
.coord-org { color: var(--pink) !important; font-weight: 600 !important; margin-top: 0.3rem; }
.coord-contacts {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}
.coord-contacts a {
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.45rem 0.9rem;
    border-radius: 99px;
    font-size: 0.82rem;
    transition: var(--transition);
}
.coord-contacts a:hover { border-color: var(--pink); color: var(--text); }

/* -------- Sponsorship -------- */
.sponsor-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.sp-benefit {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
}
.sp-benefit:hover { border-color: var(--border-accent); transform: translateY(-4px); }
.sp-b-icon { font-size: 2.2rem; margin-bottom: 1rem; }
.sp-benefit h4 { font-size: 1rem; margin-bottom: 0.6rem; }
.sp-benefit p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }
.sponsor-tiers-preview {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}
.sponsor-tiers-preview h3 { font-size: 1.1rem; margin-bottom: 1.25rem; }
.sponsor-tiers-preview p { color: var(--text-muted); font-size: 0.88rem; margin-top: 1.25rem; }
.tiers-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.tier-pill {
    padding: 0.65rem 1.5rem;
    border-radius: 99px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
}
.tier-pill.tier-titanium { background: var(--gradient); color: #fff; }
.tier-pill.tier-platinum { background: rgba(192,192,192,0.15); border: 1px solid rgba(192,192,192,0.3); color: #C0C0C0; }
.tier-pill.tier-elite { background: rgba(255,215,0,0.1); border: 1px solid rgba(255,215,0,0.3); color: #FFD700; }
.tier-pill.tier-assoc { background: var(--surface); border: 1px solid var(--border); color: var(--text-muted); }
.sponsor-enquire-box {
    background: linear-gradient(135deg, rgba(224,64,251,0.1), rgba(61,90,254,0.1));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    padding: 3rem;
    text-align: center;
}
.sponsor-enquire-box h3 { font-size: 1.6rem; margin-bottom: 1rem; }
.sponsor-enquire-box p { color: var(--text-muted); margin-bottom: 2rem; }

/* -------- Contact sub label -------- */
.contact-sub {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 3px;
}

/* -------- Responsive additions -------- */
@media (max-width: 900px) {
    .committee-grid { grid-template-columns: 1fr; }
    .sponsor-benefits-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    :root { --header-h: 60px; }
    .section { padding: 4rem 1rem; }
    .hero-text h1 { font-size: 2rem; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { width: 100%; justify-content: center; }
    .why-grid { grid-template-columns: 1fr; }
    .categories-grid { grid-template-columns: 1fr; }
    .stall-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
    .gallery-item.g-wide, .gallery-item.g-tall { grid-column: span 1; grid-row: span 1; }
    .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
    .stat-num { font-size: 2.2rem; }
    .section-header h2 { font-size: 1.65rem; }
    .stall-footer-cta { padding: 1.5rem; }
    .stall-contact-btns { flex-direction: column; }
    .schedule-tabs { gap: 0.5rem; }
    .tab-btn { padding: 0.6rem 1rem; font-size: 0.82rem; }
    .venue-badges { justify-content: center; }
    .committee-grid { grid-template-columns: 1fr; }
    .cmte-header { flex-direction: column; align-items: center; text-align: center; }
    .coord-info { flex-direction: column; align-items: center; text-align: center; }
    .coord-contacts { justify-content: center; }
    .sponsor-benefits-grid { grid-template-columns: 1fr; }
    .sponsor-enquire-box { padding: 1.75rem 1rem; }
    .tiers-row { gap: 0.5rem; }
    .floor-plan-img-wrap { overflow-x: auto; }
}

/* -------- Floor Plan -------- */
.floor-plan-wrap {
    margin: 3rem 0 2rem;
}
.floor-plan-header {
    text-align: center;
    margin-bottom: 2rem;
}
.floor-plan-header h3 {
    font-size: 1.8rem;
    margin: 0.4rem 0 0.6rem;
}
.floor-plan-header p {
    color: var(--text-muted);
    font-size: 0.88rem;
}
.floor-plan-img-wrap {
    position: relative;
    border: 1px solid var(--border-accent);
    border-radius: var(--radius);
    overflow: hidden;
    background: #fff;            /* floor plan has white bg */
    cursor: zoom-in;
}
.floor-plan-img-wrap:active { cursor: zoom-out; }
.floor-plan-img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.4s ease;
}
.floor-plan-img-wrap:hover .floor-plan-img { transform: scale(1.02); }
.floor-plan-zoom-hint {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: rgba(0,0,0,0.65);
    color: #fff;
    font-size: 0.75rem;
    padding: 0.3rem 0.75rem;
    border-radius: 99px;
    letter-spacing: 0.5px;
    pointer-events: none;
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.3s ease;
}
.floor-plan-img-wrap:hover .floor-plan-zoom-hint { opacity: 1; }

@media (max-width: 768px) {
    .floor-plan-img-wrap {
        overflow-x: auto;
        border-radius: var(--radius-sm);
    }
    .floor-plan-img {
        min-width: 600px;   /* keep readable on small screens — horizontally scrollable */
        width: auto;
    }
    .floor-plan-zoom-hint { display: none; }
}