/* =============================================
   SAIAE 2026 SYMPOSIUM — GLOBAL STYLES
   ============================================= */

:root {
  --green-dark:   #33491d;
  --green-mid:    #5c7827;
  --green-light:  #8ebf3f;
  --gold:         #c9a227;
  --gold-light:   #f0c84a;
  --charcoal:     #1e1e1e;
  --text:         #333333;
  --text-muted:   #666666;
  --bg-light:     #f8f9fa;
  --white:        #ffffff;
  --border:       #e0e0e0;
  --shadow:       0 4px 24px rgba(0,0,0,0.10);
  --radius:       10px;
  --font-head:    'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;
  --nav-h:        68px;
}

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

html {
  scroll-behavior: smooth;
  overflow-y: scroll;          /* always reserve scrollbar space — stops the sideways "shake" between pages */
  scrollbar-gutter: stable;
}

body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  padding-top: var(--nav-h);
}

.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.section { padding: 72px 0; }
.bg-light { background: var(--bg-light); }

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4 { font-family: var(--font-head); color: var(--charcoal); line-height: 1.2; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 16px; }
h3 { font-size: 1.2rem; margin-bottom: 10px; }
p  { line-height: 1.7; color: var(--text-muted); }

.section-tag {
  display: inline-block;
  background: var(--gold-light);
  color: var(--green-dark);
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
}

.logo-accent { color: var(--gold); }

/* Logo variants */
.hero-logo {
  display: block;
  width: 120px;
  margin-bottom: 20px;
  filter: brightness(0) invert(1);  /* white on dark bg */
  opacity: .9;
}
.footer-logo-img {
  display: block;
  width: 80px;
  margin-bottom: 8px;
  filter: brightness(0) invert(1);
  opacity: .7;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block;
  padding: 13px 32px;
  border-radius: 50px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .9rem;
  text-decoration: none;
  cursor: pointer;
  transition: all .25s;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--gold);
  color: var(--charcoal);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline {
  background: transparent;
  border-color: var(--white);
  color: var(--white);
}
.btn-outline:hover { background: var(--white); color: var(--green-dark); transform: translateY(-2px); }
.btn-green {
  background: var(--green-mid);
  color: var(--white);
  border-color: var(--green-mid);
}
.btn-green:hover { background: var(--green-dark); border-color: var(--green-dark); transform: translateY(-2px); }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(51, 73, 29, 0.80);   /* --green-dark @ 78% — glassy */
  -webkit-backdrop-filter: blur(14px) saturate(150%);
  backdrop-filter: blur(14px) saturate(150%);
  border-bottom: 1px solid rgba(255,255,255,.10);
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
  transition: background .25s, box-shadow .25s;
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.nav-logo-img {
  height: 44px;
  width: auto;
  display: block;
}
.nav-logo-text {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: .5px;
  line-height: 1.2;
}
.nav-logo-text small {
  display: block;
  font-size: .65rem;
  font-weight: 600;
  color: rgba(255,255,255,.65);
  letter-spacing: .5px;
  text-transform: uppercase;
}
.nav-links {
  display: flex; gap: 6px; list-style: none; align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 6px;
  transition: background .2s, color .2s;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--gold);
  color: var(--charcoal);
}
.nav-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex; align-items: center;
  background: linear-gradient(135deg, #4a5a22 0%, #7d943a 60%, #97af4d 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background: url('../images/hero-bg.jpg') center/cover no-repeat;
  opacity: .65;
}
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(120deg, rgba(60,72,26,.90) 0%, rgba(92,110,42,.72) 45%, rgba(125,148,58,.50) 100%); }
.hero-content {
  position: relative; z-index: 2;
  padding: 80px 24px 100px;
}
.hero-tag {
  font-family: var(--font-head);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gold-light);
  margin-bottom: 16px;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 20px;
}
.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: rgba(255,255,255,.88);
  max-width: 560px;
  margin-bottom: 24px;
  line-height: 1.6;
}
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 12px;
  margin-bottom: 36px;
  font-family: var(--font-head);
  font-size: .9rem;
  color: rgba(255,255,255,.9);
}
.meta-divider { opacity: .5; }
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-wave {
  position: absolute; bottom: -1px; left: 0; right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 80px; }

/* ---- INFO CARDS ---- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 10px 36px rgba(0,0,0,.13); }
.card-icon { font-size: 2.2rem; margin-bottom: 14px; }
.card h3 { color: var(--green-dark); }
.card p { font-size: .9rem; margin-bottom: 16px; }
.card-link {
  font-family: var(--font-head);
  font-size: .82rem;
  font-weight: 700;
  color: var(--green-mid);
  text-decoration: none;
  transition: color .2s;
}
.card-link:hover { color: var(--gold); }

/* ---- ABOUT STRIP ---- */
.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-text h2 { color: var(--green-dark); }
.about-text p { margin-bottom: 16px; }
.about-media {
  position: relative;
}
.about-media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 14px 40px rgba(0,0,0,.18);
  display: block;
}
.about-media::after {
  content: '';
  position: absolute;
  right: -14px; bottom: -14px;
  width: 70%; height: 70%;
  border: 3px solid var(--gold);
  border-radius: var(--radius);
  z-index: -1;
}
.about-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 52px;
}
.stat {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-number {
  display: block;
  font-family: var(--font-head);
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--green-mid);
}
.stat-label {
  display: block;
  font-size: .8rem;
  color: var(--text-muted);
  font-weight: 600;
  margin-top: 4px;
}

/* ---- INLINE FEATURE IMAGE (content pages) ---- */
.feature-img {
  margin: 28px 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.feature-img img { width: 100%; display: block; }
.feature-img figcaption {
  background: var(--green-dark);
  color: rgba(255,255,255,.9);
  font-size: .82rem;
  font-style: italic;
  padding: 12px 18px;
}

/* ---- IMAGE GALLERY BAND ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.gallery-item {
  position: relative;
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .6s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 28px 16px 14px;
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .92rem;
  background: linear-gradient(transparent, rgba(51,73,29,.9));
}
.gallery-item figcaption small {
  display: block;
  font-weight: 600;
  font-size: .72rem;
  opacity: .85;
  margin-top: 2px;
}

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  background: linear-gradient(135deg, #3f4c1c 0%, #7d943a 100%);
  padding: 72px 24px 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute; bottom: -1px; left: 0; right: 0;
  height: 50px;
  background: var(--bg-light);
  clip-path: ellipse(55% 100% at 50% 100%);
}
.page-hero h1 {
  color: var(--white);
  font-size: clamp(2rem, 5vw, 3.2rem);
  margin-bottom: 12px;
}
.page-hero p {
  color: rgba(255,255,255,.85);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

/* ---- EVENT PAGE ---- */
.event-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  align-items: start;
}
.event-body h3 { color: var(--green-dark); margin-top: 28px; margin-bottom: 8px; }
.event-body ul { padding-left: 20px; }
.event-body ul li { margin-bottom: 8px; color: var(--text-muted); line-height: 1.6; }
.event-sidebar .sidebar-card {
  background: linear-gradient(155deg, #3a4a1b 0%, #6a8030 100%);
  color: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 20px;
}
.event-sidebar .sidebar-card h4 { color: var(--gold-light); margin-bottom: 12px; font-size: .85rem; letter-spacing: 1px; text-transform: uppercase; }
.event-sidebar .sidebar-card p { color: rgba(255,255,255,.85); font-size: .9rem; margin-bottom: 8px; }
.theme-pill {
  display: inline-block;
  background: rgba(201,162,39,.2);
  color: var(--gold-light);
  border: 1px solid var(--gold);
  border-radius: 20px;
  padding: 4px 14px;
  font-size: .8rem;
  font-weight: 600;
  margin: 4px 4px 4px 0;
}

/* ---- SPEAKERS PAGE ---- */
.speakers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}
.speaker-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
}
.speaker-card:hover { transform: translateY(-6px); box-shadow: 0 14px 40px rgba(0,0,0,.14); }
.speaker-img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  background: linear-gradient(135deg, var(--green-dark), var(--green-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 4rem;
  color: rgba(255,255,255,.5);
}
.speaker-img img { width: 100%; height: 100%; object-fit: cover; }
.speaker-info { padding: 24px; }
.speaker-type {
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 12px;
  margin-bottom: 10px;
  display: inline-block;
}
.type-key   { background: rgba(201,162,39,.15); color: var(--gold); }
.type-tech  { background: rgba(92,120,39,.15);  color: var(--green-mid); }
.speaker-name  { font-size: 1.1rem; color: var(--green-dark); margin-bottom: 4px; }
.speaker-title { font-size: .82rem; color: var(--text-muted); margin-bottom: 12px; }
.speaker-topic {
  font-size: .85rem;
  border-left: 3px solid var(--gold);
  padding-left: 10px;
  color: var(--text);
  font-style: italic;
}
.speaker-bio { font-size: .82rem; color: var(--text-muted); margin-top: 10px; line-height: 1.6; }

/* ---- TIMETABLE PAGE ---- */
.timetable-tabs { display: flex; gap: 8px; margin-bottom: 32px; flex-wrap: wrap; }
.tab-btn {
  padding: 10px 24px;
  border: 2px solid var(--green-mid);
  background: var(--white);
  color: var(--green-mid);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .85rem;
  border-radius: 50px;
  cursor: pointer;
  transition: all .2s;
}
.tab-btn.active, .tab-btn:hover {
  background: var(--green-mid);
  color: var(--white);
}
.day-panel { display: none; }
.day-panel.active { display: block; }
.timetable-table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.timetable-table thead {
  background: var(--green-dark);
  color: var(--white);
}
.timetable-table th, .timetable-table td {
  padding: 14px 18px;
  text-align: left;
  font-size: .88rem;
}
.timetable-table th { font-family: var(--font-head); font-weight: 700; font-size: .8rem; letter-spacing: .5px; }
.timetable-table tbody tr:nth-child(even) { background: var(--bg-light); }
.timetable-table tbody tr:hover { background: rgba(92,120,39,.07); }
.timetable-table td:first-child {
  font-family: var(--font-head);
  font-weight: 700;
  color: var(--green-mid);
  white-space: nowrap;
  width: 120px;
}
.event-type {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: 10px;
  margin-left: 6px;
  vertical-align: middle;
}
.type-plenary  { background: rgba(201,162,39,.2); color: #8a6a00; }
.type-break    { background: rgba(100,100,100,.12); color: #666; }
.type-workshop { background: rgba(92,120,39,.15); color: var(--green-mid); }
.type-social   { background: rgba(63,81,181,.12); color: #3f51b5; }

/* ---- FORMS ---- */
.form-page { background: var(--bg-light); }
.form-wrap {
  max-width: 760px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px;
  box-shadow: var(--shadow);
}
.form-section-title {
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--green-mid);
  border-bottom: 2px solid var(--green-light);
  padding-bottom: 8px;
  margin: 28px 0 18px;
}
.form-row { display: grid; gap: 20px; grid-template-columns: 1fr 1fr; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-group label {
  font-size: .82rem;
  font-weight: 700;
  color: var(--charcoal);
  font-family: var(--font-head);
}
.form-group label .req { color: #c0392b; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--text);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  width: 100%;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(92,120,39,.15);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.form-check { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 18px; }
.form-check input[type=checkbox] { margin-top: 3px; width: 16px; height: 16px; cursor: pointer; }
.form-check label { font-size: .85rem; color: var(--text-muted); cursor: pointer; }
.form-submit { margin-top: 8px; }
.form-submit .btn { width: 100%; text-align: center; font-size: 1rem; padding: 15px; }
.form-note { font-size: .78rem; color: var(--text-muted); margin-top: 12px; text-align: center; }
.success-msg {
  display: none;
  background: #e8f5e9;
  border: 1px solid #81c784;
  border-radius: var(--radius);
  padding: 20px 24px;
  color: var(--green-dark);
  font-family: var(--font-head);
  font-weight: 600;
  margin-top: 16px;
  text-align: center;
}

/* ---- IMPORTANT DATES GRID ---- */
.dates-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}
.date-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 18px;
  text-align: center;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--green-mid);
}
.date-item.highlight { border-top-color: var(--gold); background: #fffdf5; }
.date-when {
  display: block;
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--green-dark);
}
.date-item.highlight .date-when { color: #8a6a00; }
.date-what {
  display: block;
  font-size: .8rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 600;
}

/* ---- NOTICE BOX ---- */
.notice-box {
  background: #fffdf5;
  border: 1px solid var(--gold);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 16px 20px;
  font-size: .9rem;
  color: var(--text);
  line-height: 1.6;
}
.notice-box a { color: var(--green-mid); }

/* ---- TOPIC COLUMNS (event page) ---- */
.topic-columns {
  columns: 2;
  column-gap: 32px;
  padding-left: 20px;
}
.topic-columns li { margin-bottom: 8px; color: var(--text-muted); break-inside: avoid; }

/* ---- TOPIC CHIPS (speakers page) ---- */
.topic-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.topic-chip {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-left: 3px solid var(--green-mid);
  border-radius: 6px;
  padding: 10px 16px;
  font-size: .85rem;
  font-weight: 600;
  color: var(--green-dark);
  font-family: var(--font-head);
}

/* ---- TBA SPEAKER CARDS ---- */
.speaker-card.tba .speaker-img { background: linear-gradient(135deg, #cfd8d2, #aebfb4); }
.speaker-card.tba .speaker-name { color: var(--text-muted); }

/* ---- COLLAPSIBLE ACCORDION (speakers) ---- */
.accordion {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 16px;
  overflow: hidden;
}
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 24px;
  background: var(--white);
  border: none;
  border-left: 5px solid var(--green-mid);
  cursor: pointer;
  font-family: var(--font-head);
  text-align: left;
  transition: background .2s;
}
.accordion-header:hover { background: var(--bg-light); }
.accordion.open .accordion-header { border-left-color: var(--gold); }
.acc-icon { font-size: 1.3rem; line-height: 1; }
.acc-title {
  flex: 1;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--green-dark);
}
.acc-meta {
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-light);
  padding: 3px 10px;
  border-radius: 12px;
  white-space: nowrap;
}
.acc-chevron {
  color: var(--green-mid);
  font-size: 1.1rem;
  transition: transform .3s ease;
}
.accordion.open .acc-chevron { transform: rotate(180deg); }
.accordion-body { display: none; padding: 4px 24px 24px; }
.accordion.open .accordion-body { display: block; animation: accFade .3s ease; }
@keyframes accFade {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---- COMPACT SPEAKER CARDS (scales to many speakers) ---- */
.speaker-grid-compact {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.speaker-card-compact {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  transition: transform .2s, box-shadow .2s;
}
.speaker-card-compact:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.sc-avatar {
  flex: 0 0 60px;
  width: 60px; height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--green-dark), var(--green-light));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.7rem; color: rgba(255,255,255,.6);
  overflow: hidden;
}
.sc-avatar img { width: 100%; height: 100%; object-fit: cover; }
.sc-info { min-width: 0; }
.sc-name { font-size: .98rem; color: var(--green-dark); margin: 5px 0 2px; }
.sc-title { font-size: .78rem; color: var(--text-muted); margin-bottom: 7px; }
.sc-topic {
  font-size: .8rem;
  color: var(--text);
  border-left: 3px solid var(--gold);
  padding-left: 8px;
  font-style: italic;
  line-height: 1.4;
}

/* ---- SPONSORS (scrolling marquee) ---- */
.sponsor-marquee {
  overflow: hidden;
  width: 100%;
  margin-top: 40px;
  padding: 8px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.sponsor-track {
  display: flex;
  align-items: flex-start;
  width: max-content;
  will-change: transform;
  animation: sponsor-scroll 30s linear infinite;
}
.sponsor-marquee:hover .sponsor-track { animation-play-state: paused; }
@keyframes sponsor-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.sponsor-item {
  flex: 0 0 auto;
  width: 150px;
  margin-right: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
}
.sponsor-logo {
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 6px 20px rgba(0,0,0,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform .25s;
}
.sponsor-item:hover .sponsor-logo { transform: scale(1.06); }
.sponsor-logo img { max-width: 74%; max-height: 74%; object-fit: contain; }
.sponsor-name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .8rem;
  line-height: 1.25;
  color: var(--green-dark);
}
.sponsor-tier-tag {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .6rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 2px 12px;
  border-radius: 20px;
}
.tier-platinum { background: linear-gradient(135deg, #e9eaee, #c7cad3); color: #464a55; border: 1px solid #c7cad3; }
.tier-bronze   { background: linear-gradient(135deg, #eccaa6, #c98a4f); color: #5a3818; border: 1px solid #c98a4f; }
.tier-endorser { background: rgba(92,120,39,.12); color: var(--green-dark); border: 1px solid rgba(92,120,39,.38); }
@media (prefers-reduced-motion: reduce) {
  .sponsor-track { animation: none; flex-wrap: wrap; justify-content: center; width: 100%; }
}

/* ---- FEE TABLE ---- */
.table-scroll { overflow-x: auto; border-radius: var(--radius); box-shadow: var(--shadow); }
.fee-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  min-width: 640px;
}
.fee-table thead { background: var(--green-dark); color: var(--white); }
.fee-table th, .fee-table td { padding: 13px 16px; text-align: left; font-size: .88rem; }
.fee-table th { font-family: var(--font-head); font-weight: 700; font-size: .82rem; }
.fee-table th span { font-weight: 400; opacity: .8; font-size: .72rem; }
.fee-table td:first-child { font-weight: 600; color: var(--green-dark); }
.fee-table td:not(:first-child) { font-family: var(--font-head); font-weight: 600; }
.fee-table tbody tr:nth-child(even) { background: var(--bg-light); }
.fee-table tbody tr:hover { background: rgba(92,120,39,.07); }
.fee-notes { margin-top: 16px; }
.fee-notes p { font-size: .8rem; color: var(--text-muted); margin-bottom: 6px; }

/* ---- ACCOMMODATION CARDS ---- */
.accom-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.accom-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  position: relative;
  transition: transform .25s, box-shadow .25s;
}
.accom-card:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(0,0,0,.13); }
.accom-card.featured { border: 2px solid var(--gold); }
.accom-tag {
  position: absolute; top: -11px; left: 20px;
  background: var(--gold); color: var(--charcoal);
  font-family: var(--font-head); font-size: .68rem; font-weight: 700;
  letter-spacing: 1px; text-transform: uppercase;
  padding: 3px 12px; border-radius: 12px;
}
.accom-card h3 { color: var(--green-dark); font-size: 1.05rem; }
.accom-meta { font-size: .8rem; color: var(--gold); font-weight: 700; margin: 4px 0 10px; font-family: var(--font-head); }
.accom-card p { font-size: .85rem; }
.accom-link {
  display: inline-block; margin-top: 12px;
  font-family: var(--font-head); font-size: .8rem; font-weight: 700;
  color: var(--green-mid); text-decoration: none;
}
.accom-link:hover { color: var(--gold); }

/* ---- TECHNICAL TOUR CARDS ---- */
.tour-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.tour-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  box-shadow: var(--shadow);
  border-bottom: 4px solid var(--green-mid);
  transition: transform .25s;
}
.tour-card:hover { transform: translateY(-4px); }
.tour-icon { font-size: 2.4rem; display: block; margin-bottom: 12px; }
.tour-card h3 { color: var(--green-dark); font-size: 1rem; }
.tour-card p { font-size: .82rem; margin-top: 6px; }

/* ---- WHY / TOURISM LISTS ---- */
.why-list { list-style: none; padding: 0; margin-top: 14px; }
.why-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: .9rem;
  line-height: 1.5;
}
.why-list li::before {
  content: '\2713';
  position: absolute; left: 0; top: 10px;
  color: var(--green-mid); font-weight: 700;
}
.why-list li strong { color: var(--green-dark); }

/* ---- THANK-YOU PAGE ---- */
.thank-check {
  width: 88px; height: 88px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--green-mid);
  color: #fff;
  font-size: 3rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 28px rgba(92,120,39,.35);
  animation: pop .4s ease;
}
@keyframes pop {
  0% { transform: scale(0); }
  70% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

/* ---- FOOTER ---- */
.footer {
  background: var(--charcoal);
  color: rgba(255,255,255,.7);
  padding-top: 48px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand { font-size: .9rem; }
.footer-brand .logo-accent { font-size: 1.2rem; font-family: var(--font-head); font-weight: 800; }
.footer-brand p { margin-top: 6px; font-size: .82rem; color: rgba(255,255,255,.5); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(255,255,255,.7); text-decoration: none; font-size: .88rem; transition: color .2s; }
.footer-links a:hover { color: var(--gold-light); }
.footer-contact p { font-size: .85rem; margin-bottom: 8px; }
.footer-contact a { color: inherit; text-decoration: none; transition: color .2s, border-color .2s; border-bottom: 1px solid rgba(255,255,255,.28); }
.footer-contact a:hover { color: var(--gold-light); border-color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 16px 24px;
  text-align: center;
  font-size: .78rem;
  color: rgba(255,255,255,.4);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: var(--nav-h); left: 0; right: 0; background: rgba(51,73,29,.92); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); padding: 16px; gap: 4px; box-shadow: 0 8px 24px rgba(0,0,0,.25); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .about-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 36px; }
  .about-media::after { display: none; }
  .event-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .form-wrap { padding: 28px 20px; }
  .hero { min-height: 80vh; }
  .timetable-table { font-size: .78rem; }
  .timetable-table th, .timetable-table td { padding: 10px 12px; }
  .topic-columns { columns: 1; }
  .nav-logo-text { font-size: .9rem; }
}