/* ═══════════════════════════════════════════
   WVU TWPATHFINDER — GLOBAL STYLES
   Colors: #002855 (WVU Blue) · #EAAA00 (WVU Gold)
═══════════════════════════════════════════ */

:root {
  --blue:       #002855;
  --blue-dark:  #001a3a;
  --blue-mid:   #003d80;
  --gold:       #EAAA00;
  --gold-light: #f5cc4a;
  --gold-pale:  #fdf3cc;
  --white:      #ffffff;
  --gray-50:    #f8f9fa;
  --gray-100:   #f0f1f3;
  --gray-200:   #e2e4e8;
  --gray-400:   #9ba3af;
  --gray-600:   #6b7280;
  --gray-800:   #1f2937;
  --text:       #1a2340;
  --text-muted: #5a6478;
  --radius:     12px;
  --radius-lg:  20px;
  --shadow-sm:  0 2px 8px rgba(0,40,85,.08);
  --shadow:     0 4px 20px rgba(0,40,85,.12);
  --shadow-lg:  0 8px 40px rgba(0,40,85,.18);
  --transition: .25s ease;
  --font-zh: 'Noto Sans TC', sans-serif;
  --font-en: 'Inter', sans-serif;
  --font-serif: 'Noto Serif TC', 'Playfair Display', serif;
}

/* ── Reset ────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-zh);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

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

/* ── Section common ───────────────────── */
section { padding: 90px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  background: var(--gold-pale);
  color: var(--blue);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--blue);
  margin-bottom: 16px;
  line-height: 1.3;
}
.section-desc {
  max-width: 640px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ── Buttons ──────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gold);
  color: var(--blue-dark);
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: .95rem;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(234,170,0,.35);
}
.btn-primary:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 6px 24px rgba(234,170,0,.45); }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,.12);
  color: var(--white);
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: .95rem;
  border: 2px solid rgba(255,255,255,.4);
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.btn-secondary:hover { background: rgba(255,255,255,.22); border-color: rgba(255,255,255,.7); transform: translateY(-2px); }

/* ════════════════════════════════════════
   INTRO OVERLAY
════════════════════════════════════════ */
#intro-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--blue-dark);
  display: flex; align-items: center; justify-content: center;
  transition: opacity .8s ease;
  overflow: hidden;
}
#intro-overlay::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 28%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(to top, var(--blue-dark) 0%, rgba(0,26,58,.92) 45%, transparent 100%);
}
#intro-overlay.fade-out { opacity: 0; pointer-events: none; }
#intro-overlay.hidden { display: none; }

#intro-map {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: .45;
  background: var(--blue-dark) !important;
  z-index: 0;
}
#intro-map .leaflet-container,
#intro-map .leaflet-tile-pane {
  background: var(--blue-dark) !important;
}

/* Gradient that covers the grey CartoDB polar tiles at high latitudes */
#intro-map-top-fade {
  position: absolute; top: 0; left: 0; right: 0;
  height: 34%;
  z-index: 1;
  background: linear-gradient(to bottom, var(--blue-dark) 0%, rgba(0,26,58,.88) 42%, transparent 100%);
  pointer-events: none;
}

#intro-ui {
  position: relative; z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 16px 24px;
  animation: introFadeIn 1.2s ease forwards;
}

@keyframes introFadeIn {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

#intro-route {
  display: flex; align-items: center; justify-content: center; gap: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.route-point {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.route-flag { font-size: 2.2rem; }
.route-label { font-size: .85rem; font-weight: 600; letter-spacing: .05em; opacity: .85; }
.route-line {
  display: flex; align-items: center; gap: 8px; flex: 1; max-width: 280px;
}
.route-dash {
  flex: 1; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.route-plane {
  color: var(--gold);
  font-size: 1.4rem;
  animation: flyPlane 3s ease-in-out infinite;
}
@keyframes flyPlane {
  0%,100% { transform: translateX(-6px) rotate(-5deg); }
  50%      { transform: translateX(6px) rotate(5deg); }
}

.intro-program-tag {
  display: inline-block;
  font-size: clamp(.75rem, 1.6vw, .92rem);
  font-weight: 600;
  letter-spacing: .08em;
  color: rgba(255,255,255,.75);
  border: 1px solid rgba(234,170,0,.45);
  border-radius: 20px;
  padding: 4px 16px;
  margin-bottom: 10px;
}

.intro-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--gold);
  line-height: 1.1;
  margin-bottom: 12px;
  text-shadow: 0 2px 20px rgba(234,170,0,.4);
}
.intro-subtitle {
  font-size: clamp(.95rem, 2.5vw, 1.2rem);
  opacity: .8;
  margin-bottom: 36px;
  letter-spacing: .03em;
}
#intro-enter {
  background: var(--gold);
  color: var(--blue-dark);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(234,170,0,.45);
  transition: var(--transition);
  animation: pulse 2s ease-in-out infinite;
}
#intro-enter:hover { transform: scale(1.05); }
@keyframes pulse {
  0%,100% { box-shadow: 0 4px 20px rgba(234,170,0,.45); }
  50%      { box-shadow: 0 4px 36px rgba(234,170,0,.7); }
}

/* ════════════════════════════════════════
   NAVBAR
════════════════════════════════════════ */
#navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  transition: background .3s ease, box-shadow .3s ease;
}
#navbar.scrolled {
  background: rgba(0,28,74,.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0,0,0,.25);
}
.nav-container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex; align-items: center; gap: 24px;
}
.nav-brand {
  display: flex; align-items: center; gap: 12px;
  text-decoration: none;
}
.nav-logo { width: 36px; height: 36px; }
.nav-title-wrap { display: flex; flex-direction: column; }
.nav-title-main { color: var(--gold); font-weight: 700; font-size: .95rem; line-height: 1.2; }
.nav-title-sub   { color: rgba(255,255,255,.55); font-size: .62rem; letter-spacing: .02em; white-space: nowrap; }

.nav-links {
  display: flex; gap: 4px;
  margin-left: auto;
}
.nav-links a {
  color: rgba(255,255,255,.8);
  font-size: .9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 8px;
  transition: var(--transition);
}
.nav-links a:hover { color: var(--gold); background: rgba(234,170,0,.1); }

.nav-right { display: flex; align-items: center; gap: 10px; margin-left: 16px; }
.lang-btn {
  color: rgba(255,255,255,.8);
  font-size: .82rem; font-weight: 700;
  border: 1.5px solid rgba(255,255,255,.35);
  border-radius: 6px;
  padding: 5px 11px;
  transition: var(--transition);
  letter-spacing: .05em;
}
.lang-btn:hover { color: var(--gold); border-color: var(--gold); }

.hamburger { display: none; flex-direction: column; gap: 5px; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

#mobile-menu {
  display: none; position: fixed;
  top: 68px; left: 0; right: 0; z-index: 999;
  background: var(--blue-dark);
  flex-direction: column;
  padding: 12px 0 20px;
  border-top: 1px solid rgba(234,170,0,.2);
}
#mobile-menu.open { display: flex; }
#mobile-menu a {
  color: rgba(255,255,255,.85);
  padding: 13px 28px;
  font-size: .95rem;
  border-bottom: 1px solid rgba(255,255,255,.06);
  transition: var(--transition);
}
#mobile-menu a:hover { color: var(--gold); background: rgba(234,170,0,.08); }

/* ════════════════════════════════════════
   HERO
════════════════════════════════════════ */
#hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; padding: 0;
}
/* Slideshow replaces single hero-bg */
.hero-slideshow {
  position: absolute; inset: 0;
  overflow: hidden;
}
.hero-slide {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  opacity: 0;
  transform: scale(1.06);
  transition: opacity 1.2s ease, transform 8s ease;
}
.hero-slide.active {
  opacity: 1;
  transform: scale(1.0);
}
.hero-dots {
  position: absolute; bottom: 56px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 2;
}
.hero-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer; transition: background .3s, transform .3s;
  border: none;
}
.hero-dot.active { background: var(--gold); transform: scale(1.3); }
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(0,28,74,.85) 0%, rgba(0,40,85,.7) 50%, rgba(0,20,50,.9) 100%);
}
.hero-content {
  position: relative; z-index: 1;
  text-align: center;
  color: var(--white);
  padding: 120px 24px 80px;
  max-width: 860px;
  animation: heroIn 1s .4s ease both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-badge {
  display: inline-block;
  background: rgba(234,170,0,.15);
  border: 1px solid rgba(234,170,0,.4);
  color: var(--gold-light);
  font-size: .78rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 6px 18px; border-radius: 20px;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}
.hero-h1 {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 9vw, 6.5rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.05;
  margin-bottom: 16px;
  text-shadow: 0 2px 30px rgba(0,0,0,.4);
}
.hero-sub {
  font-size: clamp(.82rem, 1.4vw, 1rem);
  opacity: .85;
  margin-bottom: 36px;
  letter-spacing: .02em;
  line-height: 1.45;
}
.hero-stats {
  display: flex; align-items: center; justify-content: center;
  gap: 0; margin-bottom: 36px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.15);
  border-radius: var(--radius-lg);
  padding: 20px 0;
  backdrop-filter: blur(8px);
  max-width: 500px; margin-left: auto; margin-right: auto;
}
.stat {
  display: flex; flex-direction: column; align-items: center;
  flex: 1; padding: 0 20px;
}
.stat-n { font-size: 2.2rem; font-weight: 800; color: var(--gold); line-height: 1; }
.stat-l { font-size: .78rem; opacity: .75; margin-top: 4px; text-align: center; }
.stat-div { width: 1px; height: 44px; background: rgba(255,255,255,.2); }
.hero-cta { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 28px; }
.hero-date { font-size: .85rem; opacity: .6; letter-spacing: .05em; }
.hero-scroll {
  position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
  color: rgba(255,255,255,.5);
  animation: bounce 2s ease-in-out infinite;
  font-size: 1.1rem;
}
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* ════════════════════════════════════════
   ABOUT
════════════════════════════════════════ */
#about {
  background:
    linear-gradient(rgba(248,249,250,.87), rgba(248,249,250,.87)),
    url('https://upload.wikimedia.org/wikipedia/commons/d/d3/Woodburn-circle-aerial.jpg') center/cover no-repeat fixed;
}
.about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}
.about-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
}
.about-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--gold);
}
.about-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-mid) 100%);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 1.3rem;
  margin-bottom: 18px;
}
.about-card h3 { font-size: 1.05rem; font-weight: 700; color: var(--blue); margin-bottom: 10px; }
.about-card p  { font-size: .9rem; color: var(--text-muted); line-height: 1.65; }

/* Phases */
.phases-wrap { text-align: center; }
.phases-title {
  font-family: var(--font-serif);
  font-size: 1.3rem; color: var(--blue);
  margin-bottom: 28px;
}
.phases {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  max-width: 620px;
  margin: 0 auto;
}
.phase {
  display: flex; flex-direction: column; align-items: center;
  background: var(--white);
  border: 2px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 22px;
  min-width: 0;
  max-width: none;
  box-shadow: var(--shadow-sm);
}
.phase-num {
  width: 36px; height: 36px;
  background: var(--blue);
  color: var(--gold); font-weight: 800; font-size: 1rem;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  margin-bottom: 12px;
}
.phase h4 { font-size: .9rem; font-weight: 700; color: var(--blue); margin-bottom: 6px; text-align: center; }
.phase p  { font-size: .78rem; color: var(--text-muted); text-align: center; }
.phase-arr {
  display: none;
}

/* ════════════════════════════════════════
   LABS
════════════════════════════════════════ */
#labs {
  background:
    linear-gradient(160deg, rgba(0,26,58,.92) 0%, rgba(0,40,85,.88) 100%),
    url('https://upload.wikimedia.org/wikipedia/commons/9/94/Evansdale.png') center/cover no-repeat fixed;
  color: var(--white);
}
#labs .section-tag { background: rgba(234,170,0,.15); color: var(--gold-light); }
#labs .section-header h2 { color: var(--white); }
#labs .section-desc { color: rgba(255,255,255,.7); }

.labs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.lab-card {
  display: flex; flex-direction: column;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.lab-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  transform: scaleX(0); transform-origin: left;
  transition: transform .3s ease;
}
.lab-card:hover::before { transform: scaleX(1); }
.lab-card:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(234,170,0,.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.lab-featured { border-color: rgba(234,170,0,.3); background: rgba(234,170,0,.06); }
.lab-featured::before { transform: scaleX(1); }

.lab-icon-wrap {
  width: 56px; height: 56px;
  background: rgba(234,170,0,.15);
  border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  color: var(--gold); font-size: 1.4rem;
  margin-bottom: 16px;
}
.lab-badge {
  display: inline-block;
  background: rgba(234,170,0,.18);
  color: var(--gold-light);
  font-size: .72rem; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 10px;
  margin-bottom: 10px;
}
.lab-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--white); margin-bottom: 6px; }
.lab-sub { font-size: .78rem; color: rgba(255,255,255,.5); margin-bottom: 14px; }
.lab-desc { font-size: .88rem; color: rgba(255,255,255,.75); line-height: 1.65; margin-bottom: 18px; }
.lab-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 18px; }
.lab-tags span {
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  font-size: .72rem; font-weight: 600;
  padding: 4px 10px; border-radius: 20px;
  border: 1px solid rgba(255,255,255,.12);
}
.lab-link {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,.1);
  color: var(--gold);
  font-size: .85rem; font-weight: 700;
  display: inline-flex; align-items: center; gap: 6px;
  transition: var(--transition);
}
.lab-link:hover { color: var(--gold-light); gap: 10px; }
.lab-link i { font-size: .7rem; }

/* ════════════════════════════════════════
   MAP
════════════════════════════════════════ */
#map {
  background:
    linear-gradient(160deg, rgba(0,26,58,.92) 0%, rgba(0,40,85,.88) 100%),
    url('https://upload.wikimedia.org/wikipedia/commons/3/3b/Morgantown-universit%C3%A0.jpg') center/cover no-repeat fixed;
}
#map .section-header h2 { color: var(--white); }
#map .section-tag { background: rgba(255,255,255,.12); color: var(--gold); }
#map .section-desc { color: rgba(255,255,255,.7); }
.map-legend {
  display: flex; flex-wrap: wrap; gap: 18px;
  justify-content: center;
  margin-bottom: 24px;
}
.leg-item { display: flex; align-items: center; gap: 7px; font-size: .85rem; color: rgba(255,255,255,.75); }
.leg-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
#morgantown-map {
  height: 520px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--white);
}

/* ════════════════════════════════════════
   ITINERARY
════════════════════════════════════════ */
#itinerary {
  background:
    linear-gradient(rgba(248,249,250,.87), rgba(248,249,250,.87)),
    url('https://upload.wikimedia.org/wikipedia/commons/1/17/Woodburn_Hall_WVU_%289300119056%29.jpg') center/cover no-repeat fixed;
}
.itinerary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.itin-card {
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 20px 18px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}
.itin-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.itin-day {
  font-size: .72rem; font-weight: 800; letter-spacing: .1em;
  text-transform: uppercase; color: var(--gold);
  background: var(--blue);
  display: inline-block;
  padding: 3px 10px; border-radius: 6px;
  margin-bottom: 10px;
}
.itin-date { font-size: .75rem; color: var(--text-muted); margin-bottom: 8px; }
.itin-title { font-size: .9rem; font-weight: 700; color: var(--blue); margin-bottom: 8px; line-height: 1.35; }
.itin-tags { display: flex; flex-wrap: wrap; gap: 4px; }
.itin-tag {
  font-size: .65rem; font-weight: 600;
  padding: 2px 7px; border-radius: 10px;
  background: var(--blue); color: var(--gold);
}
.itin-tag.travel  { background: #e74c3c; color: #fff; }
.itin-tag.lab     { background: #002855; color: var(--gold); }
.itin-tag.workshop{ background: #8e44ad; color: #fff; }
.itin-tag.campus  { background: #27ae60; color: #fff; }
.itin-tag.return  { background: #e74c3c; color: #fff; }

/* ════════════════════════════════════════
   DAILY LOG
════════════════════════════════════════ */
#daily-log {
  background:
    linear-gradient(rgba(248,249,250,.87), rgba(248,249,250,.87)),
    url('https://upload.wikimedia.org/wikipedia/commons/6/69/MountainlairWVU2008.jpg') center/cover no-repeat fixed;
}
.day-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center;
  margin-bottom: 40px;
}
.day-tab {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  color: var(--text-muted);
  font-size: .85rem; font-weight: 600;
  padding: 8px 18px; border-radius: 30px;
  transition: var(--transition);
}
.day-tab.active, .day-tab:hover {
  background: var(--blue); color: var(--gold);
  border-color: var(--blue);
}

.log-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.log-card:hover { box-shadow: var(--shadow); border-color: rgba(0,40,85,.2); }

.log-header {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 20px;
  cursor: pointer;
  background: var(--white);
  border-bottom: 1.5px solid var(--gray-100);
  transition: background var(--transition);
}
.log-header:hover { background: var(--gray-50); }
.log-day-badge {
  min-width: 48px; height: 48px;
  background: var(--blue);
  border-radius: 12px;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--gold);
  flex-shrink: 0;
}
.log-day-badge .day-num { font-size: 1.1rem; font-weight: 800; line-height: 1; }
.log-day-badge .day-lbl { font-size: .5rem; letter-spacing: .06em; opacity: .75; text-transform: uppercase; }
.log-meta { flex: 1; }
.log-title { font-size: .95rem; font-weight: 700; color: var(--blue); margin-bottom: 2px; }
.log-date-loc { font-size: .78rem; color: var(--text-muted); display: flex; gap: 14px; flex-wrap: wrap; }
.log-date-loc i { color: var(--gold); }
.log-status {
  font-size: .72rem; font-weight: 700; letter-spacing: .06em;
  padding: 4px 12px; border-radius: 20px;
}
.status-pending  { background: var(--gray-100); color: var(--gray-600); }
.status-upcoming { background: var(--gold-pale); color: #856404; }
.log-chevron { color: var(--gray-400); transition: transform .3s ease; font-size: .9rem; }
.log-card.open .log-chevron { transform: rotate(180deg); }

.log-body { display: none; padding: 24px; border-top: 1.5px solid var(--gray-100); }
.log-card.open .log-body { display: block; }

.log-summary {
  font-size: .93rem; color: var(--text-muted);
  line-height: 1.7; margin-bottom: 20px;
  padding: 14px 18px;
  background: var(--gray-50);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
}
.log-tags-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 24px; }
.log-tech-tag {
  font-size: .72rem; font-weight: 600;
  padding: 3px 10px; border-radius: 10px;
  background: var(--blue); color: var(--gold);
}

.log-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 20px;
}
.media-slot {
  aspect-ratio: 4/3;
  border-radius: 8px;
  background: var(--gray-100);
  border: 2px dashed var(--gray-200);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 6px;
  color: var(--gray-400);
  font-size: .72rem; text-align: center;
  position: relative; overflow: hidden;
  transition: var(--transition);
}
.media-slot:hover { border-color: var(--gold); background: var(--gold-pale); color: var(--blue); }
.media-slot i { font-size: 1.5rem; }
.media-slot.has-image { border: none; cursor: pointer; }
.media-slot.has-image img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }

.log-video-wrap {
  background: var(--gray-100);
  border: 2px dashed var(--gray-200);
  border-radius: 10px;
  padding: 32px;
  text-align: center;
  color: var(--gray-400);
}
.log-video-wrap i { font-size: 2rem; margin-bottom: 8px; }
.log-video-wrap p { font-size: .82rem; }
.log-video-wrap iframe { width: 100%; aspect-ratio: 16/9; border-radius: 8px; }

/* ════════════════════════════════════════
   TEAM
════════════════════════════════════════ */
#team {
  background:
    linear-gradient(160deg, rgba(0,26,58,.92) 0%, rgba(0,40,85,.88) 100%),
    url('https://upload.wikimedia.org/wikipedia/commons/5/50/Mountaineer_staduim_fireworks.jpg') center/cover no-repeat fixed;
}
#team .section-header h2 { color: var(--white); }
#team .section-tag { background: rgba(255,255,255,.12); color: var(--gold); }
#team .section-desc { color: rgba(255,255,255,.7); }
.team-block { margin-bottom: 52px; }
.team-block-title {
  font-family: var(--font-serif);
  font-size: 1.2rem; color: var(--white);
  margin-bottom: 28px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}

.teachers-grid {
  display: flex; flex-wrap: wrap; gap: 20px;
  justify-content: center;
}
.teacher-card {
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 100%);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  min-width: 180px; max-width: 220px;
  transition: var(--transition);
  box-shadow: var(--shadow);
}
.teacher-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tba-card { background: var(--gray-100); color: var(--text-muted); box-shadow: var(--shadow-sm); }

.avatar-wrap {
  width: 88px; height: 88px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 16px;
  border: 3px solid var(--gold);
  position: relative;
}
.teacher-avatar { border-color: var(--gold); }
.tba-card .avatar-wrap { border-color: var(--gray-200); }
.avatar-wrap img { width: 100%; height: 100%; object-fit: cover; }
.avatar-fallback {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-mid);
  color: var(--gold); font-size: 1.8rem;
}
.tba-fallback { background: var(--gray-200); color: var(--gray-400); }
.teacher-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.member-role { font-size: .78rem; color: var(--gold-light); margin-bottom: 4px; }
.member-org  { font-size: .73rem; opacity: .6; }
.tba-card h4, .tba-card .member-role { color: var(--gray-600); }

.students-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 18px;
}
.student-card {
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 22px 16px;
  text-align: center;
  transition: var(--transition);
}
.student-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  background: var(--white);
}
.student-card.placeholder { opacity: .55; cursor: default; }
.student-card.placeholder:hover { transform: none; box-shadow: none; border-color: var(--gray-200); }
.student-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 12px;
  border: 2px solid var(--gray-200);
  position: relative;
}
.student-card:not(.placeholder) .student-avatar { border-color: var(--blue); }
.student-card h5 { font-size: .9rem; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
.student-card p  { font-size: .73rem; color: var(--text-muted); }
.student-card.placeholder h5 { color: var(--gray-400); }

/* ════════════════════════════════════════
   FOOTER
════════════════════════════════════════ */
#footer {
  background: var(--blue-dark);
  color: rgba(255,255,255,.8);
  padding: 36px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 28px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer-brand { display: flex; align-items: flex-start; gap: 12px; }
.footer-logo { width: 38px; height: 38px; flex-shrink: 0; margin-top: 2px; }
.footer-name { color: var(--gold); font-weight: 700; font-size: .88rem; margin-bottom: 2px; line-height: 1.35; }
.footer-code { font-size: .7rem; opacity: .5; line-height: 1.35; }
.footer-info { display: flex; flex-direction: column; gap: 7px; font-size: .8rem; }
.footer-info p { display: flex; align-items: flex-start; gap: 8px; line-height: 1.35; }
.footer-info i { color: var(--gold); width: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 7px; }
.footer-links a {
  font-size: .8rem; color: rgba(255,255,255,.65);
  transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
  line-height: 1.25;
}
.footer-links a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom {
  text-align: center;
  padding: 14px 0;
  font-size: .72rem;
  opacity: .4;
  line-height: 1.4;
}

/* ════════════════════════════════════════
   LEAFLET CUSTOM
════════════════════════════════════════ */
.custom-marker {
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  color: white;
  font-size: 14px;
  border: 3px solid white;
  box-shadow: 0 2px 8px rgba(0,0,0,.3);
  cursor: pointer;
}
.leaflet-popup-content-wrapper {
  border-radius: 10px !important;
  box-shadow: var(--shadow) !important;
}
/* ── City glow markers ─────────────────── */
.cgm-wrap { background: transparent !important; border: none !important; }
.cgm-core {
  position: absolute;
  width: 14px; height: 14px;
  background: #EAAA00;
  border-radius: 50%;
  top: 50%; left: 50%; margin: -7px 0 0 -7px;
  box-shadow:
    0 0 10px 3px  rgba(234,170,0,.9),
    0 0 26px 10px rgba(234,170,0,.45),
    0 0 50px 20px rgba(234,170,0,.2);
}
.cgm-ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(234,170,0,.65);
  top: 50%; left: 50%;
  animation: cgmPulse 2.6s ease-out infinite;
}
.cgm-ring1 { width: 30px; height: 30px; margin: -15px 0 0 -15px; }
.cgm-ring2 { width: 54px; height: 54px; margin: -27px 0 0 -27px; animation-delay: 1s; }
@keyframes cgmPulse {
  0%   { opacity: .8; transform: scale(.3); }
  100% { opacity: 0;  transform: scale(1.1); }
}

/* ── Partner logos ─────────────────────── */
.intro-partners {
  margin-top: 72px;
  text-align: center;
}
.intro-partners-label {
  font-size: .8rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
  margin-bottom: 16px;
}
.intro-partners-row {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.partner-divider {
  width: 1px; height: 48px;
  background: rgba(255,255,255,.18);
  margin: 0 28px;
}
.partner-item {
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.6);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 5px;
  padding: 5px 20px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: .92; transition: opacity .3s;
  cursor: default;
}
.partner-item:hover { opacity: 1; }
.partner-img {
  height: 48px; width: auto; max-width: 140px;
  object-fit: contain;
}
.partner-name { display: none; }

/* Intro tooltip */
.intro-tooltip {
  background: rgba(0,28,74,.85) !important;
  border: 1px solid var(--gold) !important;
  color: var(--gold) !important;
  font-size: .78rem !important;
  font-weight: 700 !important;
  padding: 4px 10px !important;
  border-radius: 6px !important;
  white-space: nowrap;
  backdrop-filter: blur(4px);
}
.intro-tooltip::before { display: none !important; }

.popup-content h4 { color: var(--blue); font-weight: 700; margin: 4px 0 2px; font-size: .92rem; line-height: 1.3; }
.popup-content p  { color: var(--text-muted); font-size: .8rem; margin: 0; }
.popup-cat {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: .68rem; font-weight: 700;
  padding: 2px 8px; border-radius: 10px;
}
.popup-en   { font-size: .72rem !important; color: #888 !important; margin-bottom: 6px !important; }
.popup-desc { font-size: .82rem !important; color: #333 !important; line-height: 1.5; margin-bottom: 7px !important; }
.popup-addr {
  font-size: .74rem; color: #666;
  display: flex !important; align-items: flex-start; gap: 5px;
  margin-bottom: 5px !important;
}
.popup-addr i { color: #999; flex-shrink: 0; margin-top: 2px; }
.popup-tip {
  display: flex; align-items: flex-start; gap: 6px;
  background: #fffbf0; border-left: 3px solid #EAAA00;
  padding: 5px 8px; border-radius: 0 6px 6px 0;
  margin-bottom: 8px; font-size: .76rem; color: #555; line-height: 1.45;
}
.popup-tip i { color: #EAAA00; flex-shrink: 0; margin-top: 2px; }
.popup-url {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .78rem; font-weight: 700;
  color: var(--blue); border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.popup-url:hover { color: var(--gold); border-color: var(--gold); }
.popup-url i { font-size: .65rem; }
.popup-content .popup-tag {
  display: inline-block;
  background: var(--blue); color: var(--gold);
  font-size: .65rem; font-weight: 700;
  padding: 2px 7px; border-radius: 8px;
  margin-top: 6px;
}

/* ════════════════════════════════════════
   RESPONSIVE
════════════════════════════════════════ */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .phases { gap: 12px; }
}
@media (max-width: 640px) {
  section { padding: 60px 0; }
  #intro-ui { padding: 12px 18px; }
  #intro-route {
    gap: 8px;
    margin-bottom: 8px;
  }
  .route-point { gap: 2px; }
  .route-flag { font-size: .95rem; line-height: 1; }
  .route-label {
    font-size: .58rem;
    line-height: 1.15;
    letter-spacing: 0;
  }
  .route-line {
    max-width: 96px;
    gap: 4px;
  }
  .route-dash { height: 1px; }
  .route-plane { font-size: .78rem; }
  .intro-program-tag {
    font-size: .68rem;
    padding: 4px 10px;
    margin-bottom: 8px;
    letter-spacing: .05em;
  }
  .intro-title {
    font-size: clamp(2rem, 10vw, 3rem);
    margin-bottom: 8px;
  }
  .intro-subtitle {
    font-size: .88rem;
    margin-bottom: 20px;
    line-height: 1.45;
  }
  #intro-enter {
    font-size: .92rem;
    padding: 11px 24px;
  }
  .hero-stats { max-width: 100%; }
  .stat-n { font-size: 1.8rem; }
  #footer { padding-top: 28px; }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-bottom: 22px;
  }
  .footer-brand {
    align-items: center;
    gap: 10px;
  }
  .footer-logo {
    width: 34px;
    height: 34px;
  }
  .footer-name {
    font-size: .82rem;
    margin-bottom: 0;
  }
  .footer-code {
    font-size: .64rem;
  }
  .footer-info {
    gap: 6px;
    font-size: .76rem;
  }
  .footer-links {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 14px;
  }
  .footer-links a {
    font-size: .76rem;
  }
  .footer-bottom {
    padding: 12px 0;
    font-size: .66rem;
  }
  .labs-grid { grid-template-columns: 1fr; }
  .itinerary-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
  .itin-card { padding: 14px 10px; }
  .itin-day { font-size: .72rem; }
  .itin-title { font-size: .82rem; }
  .itin-date { font-size: .7rem; }
  .students-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
  #morgantown-map { height: 380px; }
  .teachers-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    align-items: stretch;
  }
  .teacher-card {
    min-width: 0;
    max-width: none;
    width: 100%;
    padding: 18px 10px;
  }
  .teacher-card .avatar-wrap,
  .student-avatar {
    width: 56px;
    height: 56px;
  }
  .teacher-card h4,
  .student-card h5 {
    font-size: .8rem;
  }
  .member-role,
  .member-org,
  .student-card p {
    font-size: .65rem;
  }
  .student-card {
    padding: 16px 10px;
  }
  .intro-partners-row {
    flex-direction: column;
    gap: 10px;
  }
  .intro-partners {
    margin-top: 14px;
  }
  .intro-partners-label {
    margin-bottom: 10px;
  }
  .partner-divider {
    display: none;
  }
  .partner-item {
    width: min(220px, 80vw);
    padding: 8px 16px;
  }
  .partner-img {
    max-width: 100%;
    height: 42px;
  }
  .nav-container {
    padding: 0 14px;
    gap: 12px;
    height: 62px;
  }
  .nav-logo {
    width: 30px;
    height: 30px;
  }
  .nav-brand { gap: 9px; }
  .nav-title-main {
    font-size: .8rem;
    line-height: 1.15;
  }
  .nav-title-sub {
    font-size: .6rem;
    line-height: 1.15;
  }
}
@media (orientation: portrait) {
  #intro-map-top-fade {
    height: 42%;
    background: linear-gradient(to bottom, var(--blue-dark) 0%, rgba(0,26,58,.96) 48%, transparent 100%);
  }
  #intro-overlay::after {
    height: 34%;
    background: linear-gradient(to top, var(--blue-dark) 0%, rgba(0,26,58,.96) 52%, transparent 100%);
  }
  #intro-ui {
    width: min(92vw, 430px);
    padding: 10px 16px;
  }
  #intro-route {
    flex-direction: row;
    flex-wrap: nowrap;
    gap: 6px;
    margin-bottom: 7px;
  }
  .route-point {
    min-width: 58px;
    gap: 2px;
  }
  .route-flag {
    font-size: .9rem;
    line-height: 1;
  }
  .route-label {
    font-size: .52rem;
    line-height: 1.12;
    letter-spacing: 0;
    max-width: 68px;
    white-space: normal;
  }
  .route-line {
    flex: 0 0 min(58px, 16vw);
    max-width: 58px;
    gap: 4px;
  }
  .route-plane {
    font-size: .72rem;
  }
  .intro-program-tag {
    font-size: .64rem;
    padding: 3px 10px;
    margin-bottom: 50px;
  }
  .intro-title {
    font-size: 2.45rem;
    margin-bottom: 12px;
  }
  .intro-subtitle {
    font-size: .86rem;
    margin-bottom: 100px;
    line-height: 1.35;
  }
  #intro-enter {
    font-size: .9rem;
    padding: 10px 22px;
  }
  .intro-partners {
    margin-top: 160px;
  }
  .intro-partners-label {
    font-size: .68rem;
    margin-bottom: 14px;
  }
  .intro-partners-row {
    flex-direction: column;
    gap: 16px;
  }
  .partner-divider {
    display: none;
  }
  .partner-item {
    width: min(160px, 58vw);
    padding: 5px 10px;
  }
  .partner-img {
    height: 28px;
    max-width: 100%;
  }
  .hero-h1 { font-size: 2.6rem; }
  .hero-cta { flex-direction: column; align-items: center; }
  .teacher-card,
  .student-card {
    padding-left: 8px;
    padding-right: 8px;
  }
}