/* ============================================================
   ICNC 2026 Homepage Styles — Dark Theme
   International Child Neurology Congress — Taipei, Taiwan
   May 25–29, 2026
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Source+Serif+4:wght@300;400;600&family=Montserrat:wght@400;600;700&display=swap');

/* ── TOKENS ── */
:root {
  /* Brand */
  --crimson:        #C0392B;
  --crimson-bright: #E04030;
  --orange:         #E8702A;
  --orange-light:   #F09050;
  --gold:           #D4A030;

  /* Dark navy surfaces — layered from deepest to floating */
  --bg-base:        #0A0F1E;
  --bg-surface:     #0F1628;
  --bg-raised:      #162035;
  --bg-float:       #1E2A42;

  /* Text */
  --text-primary:   #F0EDE8;
  --text-secondary: #B8B0A8;
  --text-muted:     #706860;

  /* Borders */
  --border:         rgba(255,255,255,0.07);
  --border-accent:  rgba(192,57,43,0.5);

  /* Glow */
  --glow-crimson:   0 0 30px rgba(192,57,43,0.2);
  --glow-orange:    0 0 20px rgba(232,112,42,0.18);
}

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

body {
  font-family: 'Source Serif 4', Georgia, serif;
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.7;
}

/* ── HERO BANNER ── */
.hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  background: #06090F;
}
.hero img {
  width: 100%;
  display: block;
  max-height: 520px;
  object-fit: cover;
  opacity: 1;
  filter: none;
}
.hero-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(6,9,15,0.88) 0%, rgba(6,9,15,0.2) 50%, transparent 100%);
  padding: 2rem 3rem;
}
.hero-overlay p {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-light);
  opacity: 0.9;
}

/* ── CTA BANNER ── */
.cta-banner {
  background: linear-gradient(100deg, #0F1628 0%, #162035 40%, #1a1530 70%, #0F1628 100%);
  border-top: 1px solid var(--border);
  border-bottom: 3px solid var(--crimson);
  padding: 1.4rem 2rem;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(192,57,43,0.12) 0%, transparent 50%, rgba(232,112,42,0.08) 100%);
  pointer-events: none;
}
.cta-inner {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.cta-text {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.cta-label {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--text-primary);
  font-weight: 700;
}
.cta-desc {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: linear-gradient(135deg, var(--crimson) 0%, var(--orange) 100%);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.8rem;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
  box-shadow: 0 4px 20px rgba(192,57,43,0.4), 0 0 40px rgba(232,112,42,0.15);
  transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}
.cta-button:hover {
  transform: translateY(-2px);
  filter: brightness(1.12);
  box-shadow: 0 8px 30px rgba(192,57,43,0.5), 0 0 60px rgba(232,112,42,0.2);
}
.cta-button:active { transform: translateY(0); }
.cta-button svg { flex-shrink: 0; }

@media (max-width: 680px) {
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .cta-button { width: 100%; justify-content: center; }
}

/* ── LATEST NEWS ── */
.news-strip {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}
.news-bar-top {
  display: flex;
  align-items: stretch;
  border-bottom: 1px solid var(--border);
}
.news-bar-label {
  flex-shrink: 0;
  background: var(--crimson);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0.55rem 1.4rem 0.55rem 1.2rem;
  display: flex;
  align-items: center;
  clip-path: polygon(0 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
}
.news-bar-right {
  flex: 1;
  background: var(--bg-raised);
  display: flex;
  align-items: center;
  padding: 0 1.5rem;
  gap: 1rem;
}
.news-bar-right span {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  color: var(--text-muted);
}
.news-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  flex-shrink: 0;
}
.news-grid {
  max-width: 980px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}
.news-item {
  padding: 1.4rem 1.8rem;
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  transition: background 0.2s;
}
.news-item:last-child { border-right: none; }
.news-item:hover { background: var(--bg-raised); }
.news-date {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
}
.news-tag {
  display: inline-block;
  background: rgba(192,57,43,0.18);
  color: var(--crimson-bright);
  border: 1px solid rgba(192,57,43,0.3);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: 2px;
  width: fit-content;
}
.news-title {
  font-family: 'Playfair Display', serif;
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.35;
  font-weight: 700;
}
.news-excerpt {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.news-readmore {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--orange);
  text-decoration: none;
  letter-spacing: 0.06em;
  margin-top: 0.3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.news-readmore:hover { color: var(--orange-light); }

/* ── VENUE BAR ── */
.venue-bar {
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.3rem 2.5rem;
  padding: 0.9rem 2rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.venue-bar span { display: flex; align-items: center; gap: 0.4rem; }
.venue-bar .icon { font-size: 1rem; }

/* ── SECTION WRAPPER ── */
.section {
  max-width: 980px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

/* ── SECTION TITLE ── */
.section-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 2.1rem;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 0.4rem;
  line-height: 1.2;
}
.section-subtitle {
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  color: var(--orange);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

/* ── THEME BADGE ── */
.theme-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--crimson), var(--orange));
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.35rem 1rem;
  border-radius: 2px;
  margin-bottom: 2rem;
}

/* ── MESSAGE CARDS ── */
.message-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2.5rem;
  align-items: start;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--crimson);
  border-radius: 6px;
  padding: 2.5rem;
  margin-bottom: 2.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glow-crimson), 0 4px 24px rgba(0,0,0,0.4);
  transition: box-shadow 0.3s, border-color 0.3s;
}
.message-card:hover {
  border-left-color: var(--orange);
  box-shadow: var(--glow-orange), 0 8px 40px rgba(0,0,0,0.5);
}
.message-card::before {
  content: '\201C';
  position: absolute;
  top: -0.5rem; right: 1.5rem;
  font-family: 'Playfair Display', serif;
  font-size: 8rem;
  color: var(--crimson);
  opacity: 0.12;
  line-height: 1;
  pointer-events: none;
}
.message-card.reverse { grid-template-columns: 1fr 200px; }
.message-card.reverse .portrait { order: 2; }
.message-card.reverse .message-body { order: 1; }

.portrait {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
}
.portrait-img {
  width: 150px; height: 150px;
  border-radius: 50%;
  border: 3px solid var(--crimson);
  box-shadow: 0 0 0 6px rgba(192,57,43,0.12), var(--glow-crimson);
  background: var(--bg-float);
  overflow: hidden;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  font-weight: 700;
}
.portrait-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}
.portrait-name {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
  color: var(--orange-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.portrait-role {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  text-align: center;
  color: var(--text-muted);
  line-height: 1.4;
}
.message-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.5rem;
}
.message-heading {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 1.45rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.3;
}
.message-text {
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 1rem;
}
.message-text p { margin-bottom: 0.9rem; }
.signature {
  display: flex;
  flex-direction: column;
  margin-top: 1.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
}
.signature-name {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.2rem;
  color: var(--orange-light);
}
.signature-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 0.2rem;
  letter-spacing: 0.04em;
}

/* ── VIDEO SECTION ── */
.video-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 4rem 2rem;
}
.video-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}
.video-section .section-title { color: var(--text-primary); }
.video-section .section-subtitle { color: var(--orange); }
.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 0 1px var(--border), 0 24px 64px rgba(0,0,0,0.7), var(--glow-crimson);
}
.video-wrap iframe {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 100%;
  border: none;
}
.video-caption {
  margin-top: 1.2rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* ── DISCOVER TAIPEI ── */
.taipei-section {
  background: var(--bg-base);
  padding-bottom: 0;
}
.taipei-intro {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 2.5rem;
  font-size: 0.975rem;
  color: var(--text-secondary);
  line-height: 1.85;
}
.taipei-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 260px 260px;
  gap: 3px;
  max-width: 100%;
}
.taipei-photo {
  position: relative;
  overflow: hidden;
  background: var(--bg-raised);
}
.taipei-photo.tall { grid-row: span 2; }
.taipei-photo.wide { grid-column: span 2; }
.taipei-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.55s cubic-bezier(0.25,0.46,0.45,0.94), opacity 0.4s, filter 0.4s;
  opacity: 0.65;
  filter: saturate(0.8);
}
.taipei-photo:hover img {
  transform: scale(1.06);
  opacity: 1;
  filter: saturate(1.15);
}
.photo-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(6,9,15,0.95) 0%, transparent 100%);
  color: white;
  padding: 1.5rem 1rem 0.8rem;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  opacity: 0;
  transition: opacity 0.3s;
}
.taipei-photo:hover .photo-caption { opacity: 1; }
.photo-icon { font-size: 1rem; }

.taipei-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--border);
  margin-top: 3px;
  background: var(--bg-surface);
}
.fact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1.4rem 1.6rem;
  border-right: 1px solid var(--border);
  transition: background 0.2s;
}
.fact-item:hover { background: var(--bg-raised); }
.fact-item:last-child { border-right: none; }
.fact-icon { font-size: 1.5rem; flex-shrink: 0; margin-top: 0.1rem; }
.fact-text { display: flex; flex-direction: column; gap: 0.2rem; }
.fact-text strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--orange-light);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.fact-text span {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ── LOGOS BAR ── */
.logos-bar {
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  padding: 2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 3rem;
  flex-wrap: wrap;
}
.logos-bar img {
  height: 70px;
  object-fit: contain;
  opacity: 0.55;
  filter: grayscale(30%) brightness(1.6);
  transition: opacity 0.25s, filter 0.25s;
}
.logos-bar img:hover {
  opacity: 1;
  filter: brightness(1.1);
}

/* ── RESPONSIVE ── */
@media (max-width: 680px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-item { border-right: none; border-bottom: 1px solid var(--border); }
  .news-item:last-child { border-bottom: none; }

  .message-card, .message-card.reverse { grid-template-columns: 1fr; }
  .message-card.reverse .portrait,
  .message-card.reverse .message-body { order: unset; }
  .portrait { flex-direction: row; align-items: center; }
  .portrait-img { width: 80px; height: 80px; font-size: 1.5rem; }

  .taipei-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
  .taipei-photo.tall { grid-row: span 1; }
  .taipei-photo.wide { grid-column: span 2; }
  .photo-caption { opacity: 1; }
  .taipei-facts { grid-template-columns: 1fr 1fr; }
  .fact-item { border-bottom: 1px solid var(--border); }
}