/* =============================================
   ICPC Thailand 2026 – Central Region Landing Page
   Style: Light Purple / Glassmorphism / Premium
   ============================================= */

/* ---------- Design Tokens ---------- */
:root {
  --clr-bg:          #f4f0fb;
  --clr-bg-dark:     #1a1030;
  --clr-surface:     rgba(255,255,255,0.55);
  --clr-surface-dark:rgba(30, 15, 60, 0.55);
  --clr-primary:     #7c3aed;
  --clr-primary-lt:  #a78bfa;
  --clr-primary-dk:  #5b21b6;
  --clr-accent:      #c4b5fd;
  --clr-gold:        #fbbf24;
  --clr-text:        #1e1b4b;
  --clr-text-muted:  #6b7280;
  --clr-text-light:  #e8e0fc;
  --clr-border:      rgba(124, 58, 237, 0.2);
  --clr-border-dark: rgba(196, 181, 253, 0.2);
  --shadow-glass:    0 8px 32px rgba(124, 58, 237, 0.12);
  --shadow-glow:     0 0 40px rgba(167, 139, 250, 0.25);
  --radius-lg:       20px;
  --radius-md:       14px;
  --radius-sm:       8px;
  --transition:      all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Sarabun', 'Inter', system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  overflow-x: hidden;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }

/* ---------- Glassmorphism utility ---------- */
.glass {
  background: var(--clr-surface);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-glass);
}

.section-dark .glass {
  background: var(--clr-surface-dark);
  border-color: var(--clr-border-dark);
}

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

/* =============================================
   NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 0 32px;
  height: 68px;
  display: flex;
  align-items: center;
  transition: var(--transition);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 4px 24px rgba(124, 58, 237, 0.08);
}

.nav-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- Sponsor Logos in Navbar ---------- */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0;
  flex-shrink: 0;
}

.nav-sponsor-link {
  display: flex;
  align-items: center;
  padding: 0 10px;
  transition: var(--transition);
}

.nav-sponsor-link:hover {
  opacity: 0.8;
  transform: scale(1.04);
}

.nav-divider {
  width: 1px;
  height: 36px;
  background: rgba(124,58,237,0.18);
  flex-shrink: 0;
}

.nav-sponsor-img {
  height: 42px;
  width: auto;
  object-fit: contain;
  display: block;
  mix-blend-mode: multiply;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.15));
  transition: var(--transition);
}

.navbar.scrolled .nav-sponsor-img {
  mix-blend-mode: normal;
}

.nav-sponsor-img--tall {
  height: 48px;
}

.nav-sponsor-img--wide {
  height: 40px;
  max-width: 220px;
}

/* keep old text classes for footer */
.logo-icpc {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--clr-primary);
  letter-spacing: -0.5px;
}
.logo-th   { font-weight: 600; font-size: 0.95rem; color: var(--clr-primary-dk); }
.logo-badge {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-lt));
  color: #fff; font-size: 0.7rem; font-weight: 700;
  padding: 2px 10px; border-radius: 99px; letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
  margin-left: auto;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text);
  opacity: 0.7;
  transition: var(--transition);
}

.nav-links a:hover { opacity: 1; color: var(--clr-primary); }

.nav-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-lt));
  color: #fff;
  border: none;
  padding: 9px 22px;
  border-radius: 99px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(124, 58, 237, 0.35);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(124, 58, 237, 0.45);
}

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: #fff;
}

.hero-bg-img {
  position: absolute;
  inset: 0;
  background:
    url('hero-bg.png') center/cover no-repeat;
  z-index: 0;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(30, 16, 80, 0.82) 0%,
    rgba(76, 29, 149, 0.65) 50%,
    rgba(109, 40, 217, 0.55) 100%
  );
  z-index: 1;
}

/* Floating particles */
.hero-particles { position: absolute; inset: 0; z-index: 2; pointer-events: none; }
.particle {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(196, 181, 253, 0.6), transparent);
  animation: float linear infinite;
}
.p1 { width: 220px; height: 220px; top: 10%; left: -5%;  animation-duration: 18s; }
.p2 { width: 150px; height: 150px; top: 60%; right: -3%; animation-duration: 22s; animation-delay: -4s; }
.p3 { width: 80px;  height: 80px;  top: 30%; right: 15%; animation-duration: 14s; animation-delay: -8s; }
.p4 { width: 120px; height: 120px; bottom: 15%; left: 20%; animation-duration: 20s; animation-delay: -2s; }
.p5 { width: 60px;  height: 60px;  top: 20%; left: 40%;  animation-duration: 16s; animation-delay: -6s; }

@keyframes float {
  0%   { transform: translateY(0) rotate(0deg); opacity: 0.4; }
  50%  { opacity: 0.7; }
  100% { transform: translateY(-80px) rotate(360deg); opacity: 0.4; }
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 800px;
  padding: 0 24px;
  padding-top: 80px;
  padding-bottom: 100px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(196, 181, 253, 0.15);
  border: 1px solid rgba(196, 181, 253, 0.4);
  backdrop-filter: blur(10px);
  color: var(--clr-accent);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 6px 18px;
  border-radius: 99px;
  margin-bottom: 24px;
}

.badge-dot {
  width: 7px; height: 7px;
  background: #4ade80;
  border-radius: 50%;
  animation: pulse-dot 2s ease-in-out infinite;
  box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
}

@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,0.5); }
  50%       { box-shadow: 0 0 0 6px rgba(74,222,128,0); }
}

.hero-title {
  font-family: 'Sarabun', sans-serif;
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 8px;
  text-shadow: 0 2px 40px rgba(109, 40, 217, 0.6);
}

.hero-title-accent {
  background: linear-gradient(90deg, #c4b5fd, #a78bfa, #7c3aed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: 400;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 40px;
  letter-spacing: 0.5px;
}

.hero-organizer {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  font-weight: 500;
  color: var(--clr-accent);
  margin-top: -24px;
  margin-bottom: 32px;
  letter-spacing: 0.3px;
  text-shadow: 0 2px 12px rgba(124, 58, 237, 0.4);
}

.hero-info-cards {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.info-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 14px 22px;
  border-radius: var(--radius-md);
  text-align: left;
  transition: var(--transition);
}

.info-card:hover {
  background: rgba(255, 255, 255, 0.18);
  transform: translateY(-2px);
}

.info-icon {
  width: 28px; height: 28px;
  color: var(--clr-accent);
  flex-shrink: 0;
}

.info-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  color: var(--clr-accent);
  text-transform: uppercase;
  margin-bottom: 2px;
}

.info-value {
  font-size: 0.92rem;
  font-weight: 600;
  color: #fff;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* small ghost button */
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: #fff;
  padding: 13px 28px;
  border-radius: 99px;
  font-weight: 600;
  font-size: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.45);
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover {
  background: rgba(255,255,255,0.12);
  border-color: rgba(255,255,255,0.75);
  transform: translateY(-2px);
}

/* keep .btn-primary for any other uses */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--clr-primary), #9333ea);
  color: #fff;
  padding: 14px 36px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.45);
  border: 2px solid transparent;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.55);
}

/* big register button */
.btn-register {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--clr-primary), #9333ea);
  color: #fff;
  padding: 14px 40px;
  border-radius: 99px;
  font-weight: 800;
  font-size: 1.05rem;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(124, 58, 237, 0.45);
  border: none;
  letter-spacing: 0.3px;
}
.btn-register:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(124, 58, 237, 0.6);
  background: linear-gradient(135deg, #9333ea, var(--clr-primary));
}
.btn-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
}

/* Room & Info block Lucide icons */
.room-lucide {
  width: 26px; height: 26px;
  color: var(--clr-primary-lt);
  display: block;
}

.info-lucide {
  width: 40px; height: 40px;
  color: var(--clr-primary);
  display: block;
}


/* Lucide icon sizes */
.tl-icon {
  width: 16px; height: 16px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
  flex-shrink: 0;
}
.notice-icon {
  width: 20px; height: 20px;
  flex-shrink: 0;
}

/* CSS dot (replaces emoji dot) */
.tag-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 4px;
  flex-shrink: 0;
}
.tag-dot--green {
  background: #22c55e;
  box-shadow: 0 0 0 3px rgba(34,197,94,0.2);
  animation: pulse-open 2s ease-in-out infinite;
}

.timeline-date {
  display: flex;
  align-items: center;
  gap: 6px;
}


.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.75rem;
  animation: bounce 2s ease-in-out infinite;
}

.scroll-mouse {
  width: 22px; height: 34px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 11px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}

.scroll-wheel {
  width: 3px; height: 6px;
  background: rgba(255,255,255,0.6);
  border-radius: 99px;
  animation: wheel 1.5s ease-in-out infinite;
}

@keyframes wheel {
  0%   { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(8px); opacity: 0; }
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(-6px); }
}

/* =============================================
   ANIMATION CLASSES
   ============================================= */
.animate-fade-up {
  opacity: 0;
  transform: translateY(24px);
  animation: fadeUp 0.7s ease forwards;
}

@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* scroll-triggered */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   SECTION BASE
   ============================================= */
.section {
  padding: 96px 0;
  background: var(--clr-bg);
  position: relative;
}

.section-dark {
  background: var(--clr-bg-dark);
  color: var(--clr-text-light);
}

.section-dark .section-title { color: #fff; }
.section-dark .section-desc { color: rgba(232,224,252,0.6); }
.section-dark .section-eyebrow { color: var(--clr-primary-lt); }

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

.section-eyebrow {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--clr-text);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* =============================================
   REGISTRATION BANNER
   ============================================= */
.reg-banner {
  max-width: 720px;
  margin: 0 auto 48px;
}

.reg-banner--contact {
  max-width: 640px;
  margin-bottom: 36px;
}

.reg-banner-inner {
  border: 2px solid #f59e0b;
  border-radius: var(--radius-md);
  background: rgba(20, 10, 50, 0.65);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 20px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 0 0 1px rgba(245,158,11,0.15), 0 4px 24px rgba(245,158,11,0.12);
}

.reg-banner-announce {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #fbbf24;
  letter-spacing: 0.3px;
}

.reg-banner-link {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.85);
  padding-left: 4px;
}

.reg-banner-link a {
  color: #a5f3fc;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: var(--transition);
}

.reg-banner-link a:hover {
  color: #fff;
}

.section:not(.section-dark) .reg-banner-inner {
  background: rgba(30, 15, 65, 0.07);
  border-color: #d97706;
}

.section:not(.section-dark) .reg-banner-announce {
  color: #b45309;
}

.section:not(.section-dark) .reg-banner-link {
  color: var(--clr-text-muted);
}

.section:not(.section-dark) .reg-banner-link a {
  color: var(--clr-primary);
}

/* =============================================
   SCHEDULE TABLE
   ============================================= */
.schedule-container {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glass);
}

.schedule-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.schedule-table th, 
.schedule-table td {
  padding: 18px 24px;
}

.schedule-table th {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dk));
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.5px;
}

.schedule-table tbody tr {
  border-bottom: 1px solid var(--clr-border);
  transition: var(--transition);
}

.schedule-table tbody tr:last-child {
  border-bottom: none;
}

.schedule-table tbody tr:hover {
  background: rgba(124, 58, 237, 0.04);
}

.schedule-time {
  font-weight: 700;
  color: var(--clr-primary);
  white-space: nowrap;
  width: 25%;
  font-size: 0.95rem;
}

.schedule-activity {
  color: var(--clr-text);
  font-size: 0.95rem;
  width: 40%;
}

.schedule-location {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  width: 35%;
}

.location-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.location-icon {
  width: 16px;
  height: 16px;
  color: var(--clr-primary-lt);
  flex-shrink: 0;
}

/* Highlight Row for main contest */
.highlight-row {
  background: rgba(124, 58, 237, 0.06);
}

.highlight-row:hover {
  background: rgba(124, 58, 237, 0.1) !important;
}

.highlight-row .schedule-time {
  color: var(--clr-primary-dk);
}

.activity-badge {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-lt));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 99px;
  margin-right: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-block;
  vertical-align: middle;
}

@media (max-width: 600px) {
  .schedule-table th, 
  .schedule-table td {
    padding: 8px 16px;
    display: block;
    width: 100%;
  }
  .schedule-time {
    padding-bottom: 4px;
    font-size: 0.9rem;
  }
  .schedule-activity {
    padding-bottom: 6px;
    font-size: 0.95rem;
  }
  .schedule-location {
    font-size: 0.88rem;
    padding-bottom: 4px;
  }
  .schedule-table tr {
    display: block;
    padding: 12px 0;
  }
  .schedule-table tbody tr {
    padding: 16px 8px;
  }
  .schedule-table thead {
    display: none;
  }
}

/* =============================================
   VENUE
   ============================================= */
.venue-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-bottom: 32px;
}

.venue-map {
  border-radius: var(--radius-lg);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.map-placeholder {
  text-align: center;
  padding: 48px;
}

.map-placeholder svg {
  width: 80px; height: 80px;
  color: var(--clr-primary-lt);
  margin-bottom: 20px;
  opacity: 0.6;
}

.map-placeholder p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text-light);
  margin-bottom: 6px;
}

.map-placeholder span {
  font-size: 0.8rem;
  color: rgba(232,224,252,0.5);
  font-style: italic;
}

.venue-rooms { display: flex; flex-direction: column; gap: 16px; }

.rooms-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.rooms-list { display: flex; flex-direction: column; gap: 10px; }

.room-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.room-item:hover {
  transform: translateX(4px);
}

.room-icon {
  font-size: 1.4rem;
  flex-shrink: 0;
  width: 38px;
  text-align: center;
}

.room-info { flex: 1; }

.room-name {
  font-weight: 600;
  font-size: 0.95rem;
  color: #fff;
}

.room-detail {
  font-size: 0.8rem;
  color: rgba(232,224,252,0.55);
  margin-top: 2px;
}

.room-badge {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-lt));
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  padding: 3px 10px;
  border-radius: 99px;
  text-transform: uppercase;
}

.venue-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.8rem;
  color: rgba(232,224,252,0.5);
  padding: 12px 0;
}

.venue-note svg {
  width: 16px; height: 16px;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--clr-primary-lt);
}

.map-embed {
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: 100%;
  min-height: 360px;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* =============================================
   INFO BLOCKS
   ============================================= */
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.info-block {
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
}

.info-block:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(124,58,237,0.15);
}

.info-block-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.info-block h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--clr-text);
  margin-bottom: 10px;
}

.info-block p {
  font-size: 0.92rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* =============================================
   CONTACT
   ============================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}

.contact-single {
  display: flex;
  justify-content: center;
  margin: 0 auto;
}

.contact-card--solo {
  max-width: 480px;
  width: 100%;
  flex-direction: row;
  align-items: center;
  gap: 28px;
}

.contact-card {
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(124,58,237,0.2);
}

.contact-avatar {
  width: 68px; height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-lt));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 6px 20px rgba(124,58,237,0.4);
}

.contact-role {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--clr-primary-lt);
  margin-bottom: 4px;
}

.contact-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.contact-nickname {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  margin-left: 4px;
}

.contact-email {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: rgba(232,224,252,0.7);
  transition: var(--transition);
}

.contact-email:hover { color: var(--clr-primary-lt); }

.contact-email svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
}

.contact-links {
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-links h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

.ext-link {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: rgba(232,224,252,0.7);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(196,181,253,0.1);
  transition: var(--transition);
}

.ext-link:hover {
  color: var(--clr-primary-lt);
  background: rgba(124,58,237,0.1);
  border-color: rgba(124,58,237,0.3);
  transform: translateX(4px);
}

.ext-link svg {
  width: 18px; height: 18px;
  flex-shrink: 0;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: #0f0820;
  border-top: 1px solid rgba(124,58,237,0.2);
  padding: 48px 0 32px;
}

.footer-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
}

.footer-top .nav-logo {
  gap: 12px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: rgba(232,224,252,0.4);
  text-align: center;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid rgba(124,58,237,0.1);
  font-size: 0.82rem;
  color: rgba(232,224,252,0.35);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-note {
  color: rgba(232,224,252,0.2);
  font-style: italic;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  .venue-grid,
  .info-grid,
  .contact-grid { grid-template-columns: 1fr; }

  .nav-links { display: none; }
  .navbar { padding: 0 20px; }
}

@media (max-width: 600px) {
  .hero-info-cards { flex-direction: column; align-items: center; }
  .hero-actions { flex-direction: column; align-items: center; }
  .section { padding: 72px 0; }
  .timeline-title { font-size: 1rem; }
  .contact-card { flex-direction: column; text-align: center; }

  /* Scale down navbar logos slightly for mobile */
  .nav-sponsor-img { height: 32px; }
  .nav-sponsor-img--tall { height: 38px; }
  .nav-sponsor-img--wide { height: 30px; }
  .nav-divider { height: 26px; }
}

/* =============================================
   CONTESTANTS SECTION
   ============================================= */
.teams-widget {
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-glass);
}

.teams-search-bar {
  padding: 24px;
  border-bottom: 1px solid var(--clr-border);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(8px);
}

.search-wrapper {
  position: relative;
  width: 100%;
}

.search-wrapper input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border-radius: var(--radius-md);
  border: 1px solid var(--clr-border);
  background: rgba(255, 255, 255, 0.5);
  color: var(--clr-text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.search-wrapper input:focus {
  outline: none;
  border-color: var(--clr-primary);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 0 16px rgba(124, 58, 237, 0.15);
}

.search-wrapper .search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--clr-primary-lt);
  pointer-events: none;
}

.teams-scroll-box {
  max-height: 450px;
  overflow-y: auto;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
}

/* Custom scrollbar styling */
.teams-scroll-box::-webkit-scrollbar {
  width: 8px;
}

.teams-scroll-box::-webkit-scrollbar-track {
  background: transparent;
}

.teams-scroll-box::-webkit-scrollbar-thumb {
  background: rgba(124, 58, 237, 0.15);
  border-radius: 99px;
}

.teams-scroll-box::-webkit-scrollbar-thumb:hover {
  background: rgba(124, 58, 237, 0.35);
}

.team-list-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 24px;
  border-bottom: 1px solid var(--clr-border);
  transition: var(--transition);
}

.team-list-item:last-child {
  border-bottom: none;
}

.team-list-item:hover {
  background: rgba(124, 58, 237, 0.04);
}

.team-list-name {
  font-weight: 700;
  color: var(--clr-text);
  font-size: 1rem;
}

.team-list-uni {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.team-list-uni svg {
  width: 14px;
  height: 14px;
  color: var(--clr-primary-lt);
  flex-shrink: 0;
}

.no-results {
  text-align: center;
  padding: 48px 24px;
  color: var(--clr-text-muted);
}

.no-results-icon {
  width: 44px;
  height: 44px;
  color: var(--clr-primary-lt);
  margin-bottom: 12px;
  opacity: 0.7;
}

@media (max-width: 600px) {
  .teams-search-bar {
    padding: 16px;
  }
  .team-list-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 14px 20px;
  }
  .team-list-uni {
    font-size: 0.8rem;
  }
  .teams-scroll-box {
    max-height: 380px;
  }
}

/* =============================================
   SPONSORS
   ============================================= */
.sponsors-container {
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: 900px;
  margin: 0 auto;
  align-items: center;
}

.sponsor-tier {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.sponsor-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--clr-text-muted); /* Darker text for light background */
  text-transform: uppercase;
  letter-spacing: 2.5px;
}

.sponsor-logos {
  display: flex;
  justify-content: center;
  width: 100%;
}

.sponsor-logo-box {
  background: #ffffff; /* Solid white background for perfect readability of dark logos */
  border-radius: 14px;
  padding: 16px 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(124, 58, 237, 0.06);
  border: 1px solid rgba(124, 58, 237, 0.12);
  width: 260px;
  height: 90px; /* Uniform height for all sponsor logo boxes */
}

.sponsor-logo-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(124, 58, 237, 0.15);
}

.sponsor-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

/* =============================================
   FOOTER CONTACT (REPLACES CONTACT & FOOTER)
   ============================================= */
.footer-contact {
  background: #111827; /* Dark slate-900 like screenshot */
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 64px 0 24px 0;
  color: rgba(255, 255, 255, 0.8);
}

.footer-contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.8fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-col h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
}

.footer-logo-img {
  max-height: 56px;
  width: auto;
  object-fit: contain;
  opacity: 1;
  transition: var(--transition);
}

.footer-logo-img:hover {
  transform: scale(1.03);
  opacity: 0.9;
}

.footer-address {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.7);
}

.footer-address strong {
  color: #fff;
}

.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.coordinator-info {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 4px;
}

.footer-contact-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.7);
  transition: var(--transition);
  text-decoration: none;
}

.footer-contact-link:hover {
  color: var(--clr-primary-lt);
}

.footer-icon {
  width: 16px;
  height: 16px;
  color: rgba(255, 255, 255, 0.5);
  flex-shrink: 0;
}

.footer-social-icons {
  display: flex;
  gap: 16px;
}

.footer-social-icons a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: var(--transition);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-social-icons a:hover {
  background: var(--clr-primary);
  border-color: transparent;
  transform: translateY(-2px);
}

.footer-social-icons a svg {
  width: 16px;
  height: 16px;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 900px) {
  .footer-contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .footer-col-logo {
    text-align: left;
  }
}

@media (max-width: 600px) {
  .sponsor-logo-box {
    width: 220px;
    height: 76px;
    padding: 12px 24px;
  }
}