/* HealthDataCon 2026 — component styles */

/* ============ Wordmark colors (repeated) ============ */
.wm-white { color: var(--hdc-white); }
.wm-teal  { color: var(--hdc-teal); }
.wm-gold  { color: var(--hdc-gold); }

[data-theme='light'] .wm-white { color: var(--hdc-navy-900); }
[data-theme='light'] .wm-teal  { color: var(--hdc-teal-deep); }
[data-theme='light'] .wm-gold  { color: var(--hdc-gold-deep); }

/* ============ Buttons ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.01em;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1.2;
  cursor: pointer;
}
.btn-lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-sm);
}
.btn-primary {
  background: linear-gradient(135deg, var(--hdc-teal) 0%, var(--hdc-teal-deep) 100%);
  color: #fff;
  box-shadow: 0 4px 20px rgba(47, 184, 179, 0.28);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 28px rgba(47, 184, 179, 0.42);
}
.btn-ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-ghost:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(47, 184, 179, 0.08);
}
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.btn-block {
  display: flex;
  width: 100%;
}

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 78%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), background var(--transition-interactive);
}
.site-header.is-scrolled {
  border-bottom-color: var(--color-divider);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
}
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) clamp(1.25rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark { width: 36px; height: 36px; color: var(--color-text-muted); flex-shrink: 0; }
.brand-text { display: inline-flex; align-items: baseline; gap: var(--space-2); line-height: 1; }
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}
.brand-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-faint);
  letter-spacing: 0.05em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
  font-size: 0.88rem;
  white-space: nowrap;
}
.site-nav a {
  color: var(--color-text-muted);
  font-weight: 500;
  position: relative;
  padding: var(--space-2) 0;
  white-space: nowrap;
}
.site-nav a:hover,
.site-nav a.is-active {
  color: var(--color-text);
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  height: 1px;
  width: 0;
  background: var(--color-primary);
  transition: width var(--transition-interactive);
}
.site-nav a:hover::after,
.site-nav a.is-active::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hdm-header-link {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1;
  gap: 3px;
  padding-right: var(--space-3);
  border-right: 1px solid var(--color-divider);
  color: var(--color-text-muted);
  text-decoration: none;
}
.hdm-header-link:hover { color: var(--color-text); }
.hdm-header-link .thin {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
}
.hdm-header-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: -0.01em;
  text-transform: none;
}
.hdm-header-brand .hdm-h { color: var(--hdc-navy-600); }
.hdm-header-brand .hdm-d { color: var(--hdc-teal); }
.hdm-header-brand .hdm-m { color: var(--hdc-gold); }
[data-theme='light'] .hdm-header-brand .hdm-h { color: var(--hdc-navy-900); }

.theme-toggle {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-border-strong);
}

.menu-toggle {
  display: none;
  color: var(--color-text);
}

@media (max-width: 1200px) {
  .hdm-header-link { display: none; }
}
@media (max-width: 1080px) {
  .header-actions .btn-ghost { display: none; }
}
@media (max-width: 960px) {
  .site-nav { display: none; }
}
@media (max-width: 720px) {
  .header-actions .btn { display: none; }
  .menu-toggle { display: inline-flex; }
}

/* Mobile menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--color-bg);
  padding: var(--space-16) var(--space-6) var(--space-8);
  display: none;
  flex-direction: column;
  gap: var(--space-4);
}
.mobile-menu.is-open { display: flex; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
}
.mobile-menu-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  color: var(--color-text);
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: min(920px, 100vh);
  padding: clamp(6rem, 12vh, 10rem) 0 clamp(4rem, 8vh, 6rem);
  overflow: hidden;
  isolation: isolate;
  background: radial-gradient(ellipse at 20% 20%, rgba(47, 184, 179, 0.12), transparent 60%),
    radial-gradient(ellipse at 85% 40%, rgba(212, 162, 74, 0.1), transparent 55%),
    linear-gradient(180deg, var(--hdc-navy-950) 0%, var(--hdc-navy-900) 100%);
}
[data-theme='light'] .hero {
  background: radial-gradient(ellipse at 20% 20%, rgba(30, 127, 124, 0.14), transparent 60%),
    radial-gradient(ellipse at 85% 40%, rgba(182, 133, 58, 0.1), transparent 55%),
    linear-gradient(180deg, #0a1930 0%, #10233f 100%);
  color: #ecf1f8;
}
[data-theme='light'] .hero .btn-ghost {
  color: #ecf1f8;
  border-color: rgba(255, 255, 255, 0.28);
}
[data-theme='light'] .hero .wm-white { color: #f7f8fb; }
[data-theme='light'] .hero .wm-teal { color: var(--hdc-teal); }
[data-theme='light'] .hero .wm-gold { color: var(--hdc-gold); }

.hero-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.9;
  pointer-events: none;
}
.hero-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse at center, transparent 20%, rgba(6, 15, 34, 0.35) 70%, rgba(6, 15, 34, 0.75) 100%),
    linear-gradient(180deg, transparent 60%, rgba(6, 15, 34, 0.9) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
  color: #ecf1f8;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-full);
  background: rgba(10, 25, 48, 0.5);
  backdrop-filter: blur(8px);
  margin-bottom: var(--space-8);
}
.hero-eyebrow .mono { color: rgba(255, 255, 255, 0.82); font-size: 0.72rem; }
.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--hdc-teal);
  box-shadow: 0 0 12px var(--hdc-teal);
}
.dot-live { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.55; transform: scale(1.35); }
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.92;
  margin-bottom: var(--space-6);
  max-width: 18ch;
}
.hero-title .line { display: block; }
.hero-title .line-1 { font-size: 0.85em; }
.hero-title .line-2 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.55em;
  color: var(--hdc-gold);
  letter-spacing: -0.02em;
  margin-top: 0.1em;
}

.hero-tagline {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 1rem + 1.4vw, 2.25rem);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  max-width: 24ch;
  margin-bottom: var(--space-5);
  line-height: 1.25;
  letter-spacing: -0.02em;
}
.hero-tagline em { color: var(--hdc-gold); font-style: italic; font-family: 'Space Grotesk', serif; }

.hero-lead {
  font-size: var(--text-base);
  color: rgba(236, 241, 248, 0.78);
  max-width: 48ch;
  margin-bottom: var(--space-8);
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-12);
}
.hero-ctas .btn-ghost { color: #ecf1f8; border-color: rgba(255, 255, 255, 0.28); }
.hero-ctas .btn-ghost:hover { border-color: var(--hdc-teal); color: var(--hdc-teal-light); background: rgba(47, 184, 179, 0.08); }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-6);
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: var(--space-8);
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.hero-meta-item .label { font-size: 0.68rem; color: rgba(255, 255, 255, 0.5); }
.hero-meta-item .value { font-family: var(--font-display); font-size: var(--text-sm); color: rgba(255, 255, 255, 0.95); font-weight: 500; }

.hero-endorse {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  font-size: 0.75rem;
}
.hero-endorse .mono { color: rgba(255, 255, 255, 0.55); font-size: 0.65rem; }
.hero-endorse .mono.thin { color: rgba(255, 255, 255, 0.7); }
.endorse-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: -0.01em;
  color: #fff;
  text-decoration: none;
}
.endorse-wordmark:hover { opacity: 0.8; }
.endorse-wordmark .hdm-h { color: #ecf1f8; }
.endorse-wordmark .hdm-d { color: var(--hdc-teal); }
.endorse-wordmark .hdm-m { color: var(--hdc-gold); }

.hero-scroll {
  position: absolute;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.65rem;
  text-decoration: none;
  animation: bob 2.6s ease-in-out infinite;
}
.hero-scroll:hover { color: var(--hdc-teal); }
@keyframes bob {
  0%, 100% { transform: translate(-50%, 0); }
  50%      { transform: translate(-50%, 6px); }
}

/* ============ Marquee ============ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider);
  background: linear-gradient(90deg, transparent, rgba(47, 184, 179, 0.04), transparent);
  padding: var(--space-4) 0;
}
.marquee-track {
  display: inline-flex;
  gap: var(--space-6);
  white-space: nowrap;
  animation: marquee 40s linear infinite;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
}
.marquee-track .sep { color: var(--hdc-gold); font-weight: 400; }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============ Section basics ============ */
.section {
  padding: clamp(4rem, 10vw, 8rem) 0;
  position: relative;
}
.section + .section {
  border-top: 1px solid var(--color-divider);
}

.section-head {
  max-width: 68ch;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}
.kicker {
  color: var(--color-primary);
  font-size: 0.7rem;
  display: inline-block;
  margin-bottom: var(--space-4);
}
.kicker-sm {
  color: var(--color-primary);
  font-size: 0.65rem;
  display: inline-block;
  margin-bottom: var(--space-3);
}
.section-title {
  font-size: var(--text-2xl);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--color-text);
}
.section-title em { color: var(--color-accent); font-style: italic; }
.section-lede {
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-base);
  max-width: 60ch;
}

/* ============ Story section ============ */
.story-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: start;
}
@media (max-width: 900px) { .story-grid { grid-template-columns: 1fr; } }

.story-copy .lede {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-5);
  max-width: 32ch;
}
.story-copy p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  max-width: 62ch;
}
.story-copy .pull {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  border-left: 3px solid var(--hdc-gold);
  padding-left: var(--space-5);
  margin-top: var(--space-8);
  max-width: 30ch;
  line-height: 1.3;
}

.story-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-divider);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.stat {
  background: var(--color-surface);
  padding: var(--space-6);
  min-height: 160px;
}
.stat-value {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-3);
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ============ Schedule section ============ */
.section-schedule { background: linear-gradient(180deg, transparent, rgba(47, 184, 179, 0.025)); }

.tz-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  margin-bottom: var(--space-8);
}
.tz-bar .mono { color: var(--color-text-muted); }
.tz-select {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
  cursor: pointer;
  min-width: 220px;
}
.tz-current {
  margin-left: auto;
  color: var(--color-primary);
  font-size: 0.72rem;
}

.timeline {
  margin-bottom: var(--space-12);
}
.timeline-band {
  display: grid;
  grid-template-columns: 8fr 8fr 8fr; /* 24 hours split into 3 blocks */
  gap: 2px;
  height: 84px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-divider);
  border: 1px solid var(--color-border);
}
.tl-block {
  padding: var(--space-3) var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-1);
  position: relative;
  overflow: hidden;
}
.tl-block::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.9;
}
.tl-americas::before { background: linear-gradient(135deg, rgba(47, 184, 179, 0.22), rgba(47, 184, 179, 0.08)); }
.tl-apac::before     { background: linear-gradient(135deg, rgba(74, 143, 214, 0.22), rgba(74, 143, 214, 0.08)); }
.tl-emea::before     { background: linear-gradient(135deg, rgba(212, 162, 74, 0.22), rgba(212, 162, 74, 0.08)); }
.tl-region {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--color-text);
  font-weight: 600;
}
.tl-time {
  position: relative;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}
.timeline-ticks {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  margin-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: var(--color-text-faint);
  letter-spacing: 0.08em;
}
.timeline-ticks span:last-child { text-align: right; }
.timeline-legend {
  margin-top: var(--space-3);
  color: var(--color-text-faint);
  font-size: 0.62rem;
}

.anchor-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-16);
}
.anchor-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
}
.anchor-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
}
.ac-americas::before { background: var(--hdc-teal); }
.ac-apac::before     { background: var(--hdc-blue); }
.ac-emea::before     { background: var(--hdc-gold); }
.anchor-badge {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: var(--space-3);
}
.anchor-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.anchor-window {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.tz-list {
  list-style: none;
  border-top: 1px solid var(--color-divider);
}
.tz-list li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.tz-list li span:first-child { color: var(--color-text); font-weight: 500; }
.tz-list li span:last-child { font-family: var(--font-mono); font-size: 0.78rem; text-align: right; }

.agenda-teaser {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
@media (max-width: 800px) { .agenda-teaser { grid-template-columns: 1fr; } }
.agenda-teaser h3 { font-size: var(--text-xl); margin: var(--space-2) 0 var(--space-3); }
.agenda-teaser p { color: var(--color-text-muted); margin-bottom: var(--space-5); }
.agenda-teaser-viz {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.skeleton-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
}
.sk-tag {
  width: 40px;
  height: 8px;
  background: linear-gradient(90deg, var(--hdc-teal), var(--hdc-teal-deep));
  border-radius: var(--radius-full);
  opacity: 0.5;
}
.sk-tag.alt { background: linear-gradient(90deg, var(--hdc-blue), #2f5c8e); }
.sk-tag.alt2 { background: linear-gradient(90deg, var(--hdc-gold), var(--hdc-gold-deep)); }
.sk-title {
  flex: 1;
  height: 10px;
  background: var(--color-divider);
  border-radius: var(--radius-full);
  position: relative;
  overflow: hidden;
}
.sk-title::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.06), transparent);
  animation: shimmer 2.4s linear infinite;
}
.sk-title.short { max-width: 60%; }
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ============ Regions ============ */
.regions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 960px) { .regions-grid { grid-template-columns: 1fr; } }

.region-card {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-interactive), border-color var(--transition-interactive);
}
.region-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-border-strong);
}
.region-card::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.35;
  pointer-events: none;
  background: radial-gradient(ellipse at 100% 0%, var(--_glow), transparent 55%);
}
.region-americas { --_glow: rgba(47, 184, 179, 0.18); }
.region-apac { --_glow: rgba(74, 143, 214, 0.18); }
.region-emea { --_glow: rgba(212, 162, 74, 0.18); }

.region-card-head {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
  position: relative;
}
.region-index {
  padding: 2px var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.6rem;
}
.region-flagline { color: var(--color-text-faint); font-size: 0.62rem; }
.region-name {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
  position: relative;
}
.region-americas .region-name { color: var(--hdc-teal); }
.region-apac .region-name { color: var(--hdc-blue); }
.region-emea .region-name { color: var(--hdc-gold); }
[data-theme='light'] .region-apac .region-name { color: #305a8a; }

.region-lead {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  position: relative;
}
.region-topics {
  list-style: none;
  margin-bottom: var(--space-6);
  border-top: 1px solid var(--color-divider);
  position: relative;
}
.region-topics li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-text);
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
}
.region-topics li::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: currentColor;
  color: var(--color-primary);
  flex-shrink: 0;
  transform: translateY(-2px);
}
.region-cta { position: relative; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-primary);
  font-weight: 600;
  font-size: var(--text-sm);
}
.link-arrow span { transition: transform var(--transition-interactive); }
.link-arrow:hover span { transform: translateX(4px); }

/* ============ Pillars ============ */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.pillar-wide { grid-column: span 4; }
@media (max-width: 960px) {
  .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .pillar-wide { grid-column: span 2; }
}
@media (max-width: 560px) {
  .pillars-grid { grid-template-columns: 1fr; }
  .pillar-wide { grid-column: span 1; }
}

.pillar {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-interactive), box-shadow var(--transition-interactive);
}
.pillar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--pillar-accent);
  opacity: 0.9;
}
.pillar:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}
.pillar-num {
  color: var(--pillar-accent);
  font-size: 0.72rem;
  margin-bottom: var(--space-3);
}
.pillar h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.pillar-def {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
}
.pillar-tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.pillar-tags li {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  padding: 4px var(--space-2);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

/* ============ Speakers ============ */
.speakers-frame {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-8);
  align-items: center;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse at 100% 100%, rgba(212, 162, 74, 0.08), transparent 60%),
    radial-gradient(ellipse at 0% 0%, rgba(47, 184, 179, 0.08), transparent 60%),
    var(--color-surface);
}
@media (max-width: 900px) { .speakers-frame { grid-template-columns: 1fr; } }

.speakers-empty h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.speakers-empty p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  max-width: 52ch;
}
.speakers-empty-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
}

.speaker-role-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
}
.speaker-role-cloud span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  background: var(--color-bg);
}
.speaker-role-cloud span:nth-child(4n) { color: var(--hdc-teal); border-color: rgba(47, 184, 179, 0.35); }
.speaker-role-cloud span:nth-child(5n) { color: var(--hdc-gold); border-color: rgba(212, 162, 74, 0.35); }

/* ============ Audience ============ */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
@media (max-width: 900px) { .audience-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .audience-grid { grid-template-columns: 1fr; } }
.audience-card {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.ac-icon {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.audience-card h3 { font-size: var(--text-base); margin-bottom: var(--space-2); font-weight: 600; }
.audience-card p { color: var(--color-text-muted); font-size: var(--text-sm); }

/* ============ CFP ============ */
.section-cfp {
  background:
    radial-gradient(ellipse at 100% 0%, rgba(212, 162, 74, 0.05), transparent 60%);
}
.cfp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.cfp-block-wide { grid-column: span 2; }
@media (max-width: 800px) {
  .cfp-grid { grid-template-columns: 1fr; }
  .cfp-block-wide { grid-column: span 1; }
}
.cfp-block {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}
.cfp-block h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
  color: var(--color-text);
}
.cfp-block p { color: var(--color-text-muted); }
.cfp-list { list-style: none; margin-top: var(--space-2); }
.cfp-list li { padding: var(--space-2) 0; color: var(--color-text-muted); }
.cfp-list strong { color: var(--color-text); font-weight: 600; }
.cfp-numbered {
  list-style: none;
  counter-reset: cfp;
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.cfp-numbered li {
  counter-increment: cfp;
  padding: var(--space-2) 0 var(--space-2) 2.5rem;
  color: var(--color-text-muted);
  position: relative;
  font-size: var(--text-sm);
}
.cfp-numbered li::before {
  content: counter(cfp, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-primary);
  letter-spacing: 0.06em;
}

.principles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-3);
}
@media (max-width: 900px) { .principles-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .principles-grid { grid-template-columns: 1fr; } }
.principles-grid > div {
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-md);
}
.ptag {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-primary);
  font-size: 0.65rem;
}
.principles-grid p { font-size: var(--text-sm); color: var(--color-text-muted); }

.cfp-cta {
  background: linear-gradient(135deg, rgba(47, 184, 179, 0.08), rgba(212, 162, 74, 0.05));
  border-color: var(--color-border-strong);
}
.cfp-note {
  margin-top: var(--space-4);
  color: var(--color-text-faint);
  font-size: 0.6rem;
}

/* ============ Attend ============ */
.access-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 960px) { .access-grid { grid-template-columns: 1fr; } }

.access-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.access-fellow {
  border-color: var(--hdc-teal);
  box-shadow: 0 0 0 1px rgba(47, 184, 179, 0.25), 0 12px 32px rgba(47, 184, 179, 0.12);
  position: relative;
}
.access-fellow::after {
  content: 'FLAGSHIP';
  position: absolute;
  top: -10px;
  right: var(--space-6);
  background: var(--hdc-teal);
  color: #06272a;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 4px var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.1em;
  font-weight: 600;
}
.access-tag {
  color: var(--color-primary);
  font-size: 0.68rem;
}
.access-price .price {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.access-price .price-sub {
  display: block;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-top: var(--space-1);
}
.access-features {
  list-style: none;
  border-top: 1px solid var(--color-divider);
  flex: 1;
}
.access-features li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
  color: var(--color-text);
  padding-left: var(--space-6);
  position: relative;
}
.access-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--color-primary);
  border-right: 0;
  border-top: 0;
  transform: translateY(-70%) rotate(-45deg);
}
.access-note {
  color: var(--color-text-faint);
  font-size: 0.72rem;
  margin-top: auto;
}

/* ============ Notify ============ */
.section-notify { padding-top: 0; }
.notify-card {
  padding: clamp(2rem, 4vw, 3rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(47, 184, 179, 0.1), transparent 60%),
    var(--color-surface);
  text-align: center;
}
.notify-card h2 {
  font-size: var(--text-xl);
  margin: var(--space-3) 0 var(--space-3);
  color: var(--color-text);
}
.notify-card > p {
  color: var(--color-text-muted);
  margin: 0 auto var(--space-6);
  max-width: 48ch;
}
.notify-form {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto;
  gap: var(--space-2);
  max-width: 640px;
  margin: 0 auto;
}
@media (max-width: 640px) { .notify-form { grid-template-columns: 1fr; } }
.notify-form input,
.notify-form select {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: var(--text-sm);
}
.notify-form input:focus,
.notify-form select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(47, 184, 179, 0.2);
}
.notify-success {
  grid-column: 1 / -1;
  margin-top: var(--space-3);
  color: var(--hdc-teal);
  font-size: var(--text-sm);
  font-weight: 600;
}

/* ============ Partners ============ */
.powered-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
@media (max-width: 960px) { .powered-grid { grid-template-columns: 1fr; } }
.powered-card {
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.powered-card p { color: var(--color-text-muted); font-size: var(--text-sm); }
.powered-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
}
.powered-logo:hover { opacity: 0.85; }
.powered-hdm .hdm-h { color: var(--color-text); }
.powered-hdm .hdm-d { color: var(--hdc-teal); }
.powered-hdm .hdm-m { color: var(--hdc-gold); }
.powered-achdm {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--color-text);
  align-self: flex-start;
}
.powered-cta h3 { font-size: var(--text-lg); }

/* ============ FAQ ============ */
.faq-list {
  border-top: 1px solid var(--color-divider);
}
.faq {
  border-bottom: 1px solid var(--color-divider);
}
.faq summary {
  padding: var(--space-5) 0;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-text);
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 1.5rem;
  color: var(--color-primary);
  transition: transform var(--transition-interactive);
  flex-shrink: 0;
}
.faq[open] summary::after {
  content: '−';
}
.faq p {
  padding-bottom: var(--space-5);
  color: var(--color-text-muted);
  max-width: 68ch;
}

/* ============ Footer ============ */
.site-footer {
  padding: clamp(3rem, 6vw, 5rem) 0 var(--space-8);
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-divider);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 2fr;
  gap: var(--space-12);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-divider);
}
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-brand .brand { margin-bottom: var(--space-4); }
.footer-tag {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.footer-signature {
  color: var(--color-primary);
  font-size: 0.7rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
@media (max-width: 640px) { .footer-links { grid-template-columns: 1fr 1fr; } }
.footer-links h4 {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-weight: 600;
}
.footer-links a {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-text);
  font-size: var(--text-sm);
}
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-6);
  flex-wrap: wrap;
}
.footer-bottom .mono { color: var(--color-text-faint); font-size: 0.6rem; }
.footer-hashtags { color: var(--color-primary) !important; }