/* ============================================================
   ORBIS HK 2026 — Invitation site
   Design language: deep navy + champagne gold + warm cream
   Inspired by fourseasons.com restraint
   ============================================================ */

/* ---------- Self-hosted typefaces (latin subset) ----------
   Downloaded from Google's CDN by scripts/fetch-fonts.mjs and served
   from /assets/fonts/ to remove the third-party request to fonts.gstatic.com. */
@font-face { font-family: 'Cormorant Garamond'; font-style: normal; font-weight: 300; font-display: swap; src: url('/assets/fonts/cormorant-garamond-300.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/cormorant-garamond-400.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-style: normal; font-weight: 500; font-display: swap; src: url('/assets/fonts/cormorant-garamond-500.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-style: normal; font-weight: 600; font-display: swap; src: url('/assets/fonts/cormorant-garamond-600.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-style: italic; font-weight: 400; font-display: swap; src: url('/assets/fonts/cormorant-garamond-400-italic.woff2') format('woff2'); }
@font-face { font-family: 'Cormorant Garamond'; font-style: italic; font-weight: 500; font-display: swap; src: url('/assets/fonts/cormorant-garamond-500-italic.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 300; font-display: swap; src: url('/assets/fonts/inter-300.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/inter-400.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 500; font-display: swap; src: url('/assets/fonts/inter-500.woff2') format('woff2'); }
@font-face { font-family: 'Inter'; font-style: normal; font-weight: 600; font-display: swap; src: url('/assets/fonts/inter-600.woff2') format('woff2'); }
@font-face { font-family: 'Playfair Display'; font-style: normal; font-weight: 400; font-display: swap; src: url('/assets/fonts/playfair-display-400.woff2') format('woff2'); }
@font-face { font-family: 'Playfair Display'; font-style: normal; font-weight: 500; font-display: swap; src: url('/assets/fonts/playfair-display-500.woff2') format('woff2'); }
@font-face { font-family: 'Playfair Display'; font-style: normal; font-weight: 700; font-display: swap; src: url('/assets/fonts/playfair-display-700.woff2') format('woff2'); }
@font-face { font-family: 'Playfair Display'; font-style: italic; font-weight: 400; font-display: swap; src: url('/assets/fonts/playfair-display-400-italic.woff2') format('woff2'); }

/* ---------- Tokens ---------- */
:root {
  --bg-navy:        #0A1929;
  --bg-navy-2:      #0F2238;
  --bg-cream:       #FAF8F3;
  --bg-cream-2:     #F1ECE0;

  --gold:           #C9A961;
  --gold-light:     #E8D4A0;
  --gold-soft:      #8C7A4E;
  --gold-line:      rgba(201, 169, 97, 0.35);

  --text-light:     #FFFFFF;
  --text-light-mut: #B5BAC4;
  --text-dark:      #1A1A1A;
  --text-dark-mut:  #5A5A5A;

  --max:            1240px;
  --max-narrow:     760px;
  --pad-x:          clamp(20px, 5vw, 56px);
  --pad-y:          clamp(80px, 12vw, 160px);

  --hdr-h:          84px;

  --ease:           cubic-bezier(.4, 0, .2, 1);
  --t-base:         220ms;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  /* Prevent iOS auto-zoom on landscape and pinch issues. */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dark);
  background: var(--bg-cream);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* Remove the grey/blue tap flash on iOS/Android — we provide explicit :active feedback. */
  -webkit-tap-highlight-color: transparent;
  /* Allow vertical pan only; disables 300ms tap delay on legacy mobile WebKit. */
  touch-action: manipulation;
}

::selection { background: rgba(201, 169, 97, 0.36); color: var(--text-light); }
.section-cream ::selection { background: rgba(201, 169, 97, 0.30); color: var(--text-dark); }

img, picture { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; transition: color var(--t-base) var(--ease); }
button { font: inherit; cursor: pointer; background: none; border: 0; color: inherit; }

/* Display typeface cascade.
   Cormorant Garamond is the *primary editorial face* — narrower apertures,
   refined italics, gravitas. Playfair Display is reserved for the ORBIS
   wordmark, year tag, and a few italic accents (declared per-rule). */
h1, h2, h3, h4 {
  font-family: 'Cormorant Garamond', 'Playfair Display', Georgia, 'Times New Roman', serif;
  font-weight: 400;
  letter-spacing: -0.005em;
  margin: 0;
}

ul, ol { margin: 0; padding: 0; list-style: none; }
p { margin: 0; }

section { scroll-margin-top: var(--hdr-h); }

/* ---------- Layout primitives ---------- */
.container { max-width: var(--max); margin: 0 auto; padding-left: var(--pad-x); padding-right: var(--pad-x); }
.container.narrow { max-width: var(--max-narrow); }

.section { padding-top: var(--pad-y); padding-bottom: var(--pad-y); }
.section-navy { background: var(--bg-navy); color: var(--text-light); }
.section-cream { background: var(--bg-cream); color: var(--text-dark); }
.section-navy a { color: var(--gold); }

.section-head { max-width: 720px; margin: 0 0 64px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head .hairline.center { margin-left: auto; margin-right: auto; }

.section-title {
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-size: clamp(2.3rem, 4.6vw, 3.85rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.012em;
}
.section-title.light { color: var(--text-light); }

.section-lede {
  margin-top: 18px;
  color: var(--text-light-mut);
  max-width: 60ch;
  font-size: 1.0625rem;
}
.section-cream .section-lede { color: var(--text-dark-mut); }

.eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0 0 22px;
  font-weight: 500;
}
.eyebrow.on-dark { color: var(--gold); }
.eyebrow .num {
  display: inline-block;
  margin-right: 12px;
  color: var(--gold);
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0;
}

.hairline {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 28px 0 36px;
  opacity: 0.9;
}
.hairline.gold { background: var(--gold); }

.prose p + p { margin-top: 22px; }
.prose strong { color: var(--gold-soft); font-weight: 500; }
.section-navy .prose strong { color: var(--gold-light); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 32px;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background var(--t-base) var(--ease), color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
  white-space: nowrap;
}
.btn-gold { background: var(--gold); color: var(--bg-navy); border-color: var(--gold); }
.btn-ghost { background: transparent; color: var(--gold); border-color: var(--gold-line); }
.btn-ghost.on-dark { color: var(--gold); }

@media (hover: hover) and (pointer: fine) {
  .btn-gold:hover { background: var(--gold-light); border-color: var(--gold-light); color: var(--bg-navy); }
  .btn-ghost:hover { background: var(--gold); color: var(--bg-navy); border-color: var(--gold); }
}

/* Touch feedback — slight press-down opacity, no layout shift */
.btn:active { opacity: 0.78; }

.btn-link {
  padding: 16px 0;
  color: var(--text-light);
  border-bottom: 1px solid transparent;
  letter-spacing: 0.2em;
  position: relative;
}
.btn-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 10px;
  width: 100%;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0.4);
  transform-origin: left;
  transition: transform var(--t-base) var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .btn-link:hover::after { transform: scaleX(1); }
}

.btn-block { width: 100%; padding: 18px 32px; }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  height: var(--hdr-h);
  transition: background var(--t-base) var(--ease), border-color var(--t-base) var(--ease), backdrop-filter var(--t-base) var(--ease);
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: rgba(10, 25, 41, 0.92);
  border-bottom-color: var(--gold-line);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 100%;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  color: var(--text-light);
  text-transform: uppercase;
}
.brand-mark {
  font-family: 'Playfair Display', serif;
  font-size: 22px;
  letter-spacing: 0.36em;
  color: var(--gold);
  line-height: 1;
}
.brand-mark.gold { color: var(--gold); }
.brand-sub {
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--text-light-mut);
  line-height: 1;
}

.primary-nav { display: flex; align-items: center; gap: 32px; }
.primary-nav a {
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--text-light);
  position: relative;
  padding: 6px 0;
}
.primary-nav a::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--t-base) var(--ease), left var(--t-base) var(--ease);
}
.primary-nav .nav-cta {
  border: 1px solid var(--gold-line);
  padding: 10px 18px;
  color: var(--gold);
}
.primary-nav .nav-cta::after { display: none; }

@media (hover: hover) and (pointer: fine) {
  .primary-nav a:hover::after { width: 100%; left: 0; }
  .primary-nav .nav-cta:hover { background: var(--gold); color: var(--bg-navy); }
}

.nav-toggle { display: none; width: 40px; height: 40px; position: relative; }
.nav-toggle span {
  position: absolute; left: 8px; right: 8px; height: 1px; background: var(--gold);
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease), top var(--t-base) var(--ease);
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 20px; }
.nav-toggle span:nth-child(3) { top: 26px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { top: 20px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { top: 20px; transform: rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  color: var(--text-light);
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-navy);
}

.hero-media { position: absolute; inset: 0; z-index: 1; }
.hero-media .hero-img {
  width: 100%; height: 100%; object-fit: cover;
  /* Skew framing toward the skyline (upper third) so mobile crops keep the IFC tower visible */
  object-position: center 35%;
}
.hero-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,25,41,0.55) 0%, rgba(10,25,41,0.45) 35%, rgba(10,25,41,0.85) 100%),
    radial-gradient(60% 50% at 50% 40%, rgba(10,25,41,0.0) 0%, rgba(10,25,41,0.65) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  width: 100%;
  padding-top: calc(var(--hdr-h) + 40px);
  padding-bottom: 80px;
  text-align: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  font-size: 10px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 36px;
}
.hero-eyebrow .rule {
  width: 48px; height: 1px; background: var(--gold-line);
}

.hero-title {
  display: grid;
  gap: 14px;
  margin: 0 auto 28px;
  max-width: 980px;
}
.hero-brand {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  letter-spacing: 0.62em;
  color: var(--gold);
  text-transform: uppercase;
}
.hero-line {
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-weight: 400;
  font-size: clamp(2.5rem, 7vw, 5.8rem);
  line-height: 1.02;
  letter-spacing: -0.012em;
}
.hero-year {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  color: var(--gold-light);
  letter-spacing: 0.12em;
}

.hero-tagline {
  font-size: clamp(0.95rem, 1.2vw, 1.0625rem);
  color: var(--text-light-mut);
  margin: 0 auto 56px;
  max-width: 720px;
  letter-spacing: 0.04em;
}
.hero-tagline em { color: var(--gold-light); font-style: italic; font-family: 'Playfair Display', serif; }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0 auto 56px;
  max-width: 920px;
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
}
.meta-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 16px;
  text-align: center;
  border-right: 1px solid var(--gold-line);
}
.meta-block:last-child { border-right: none; }
.meta-label {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.meta-value {
  font-family: 'Playfair Display', serif;
  font-size: 1.0625rem;
  color: var(--text-light);
  letter-spacing: 0.02em;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  z-index: 4;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold);
}
.hero-scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--gold) 0%, transparent 100%);
  animation: scrollPulse 2.4s var(--ease) infinite;
}
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1); opacity: 0.9; }
  50% { transform: scaleY(0.55); opacity: 0.4; transform-origin: top; }
}

/* ============================================================
   ABOUT
   ============================================================ */
#about .prose p {
  font-size: 1.125rem;
  color: var(--text-dark);
}
#about .section-title { font-size: clamp(1.75rem, 3.4vw, 2.6rem); }

/* ============================================================
   HIGHLIGHTS
   ============================================================ */
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--gold-line);
  border-left: 1px solid var(--gold-line);
}
.highlight {
  padding: 56px 40px;
  border-right: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  position: relative;
  transition: background var(--t-base) var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .highlight:hover { background: rgba(201, 169, 97, 0.04); }
}
.hl-num {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}
.highlight h3 {
  font-size: 1.375rem;
  margin-bottom: 16px;
  color: var(--text-light);
  line-height: 1.3;
}
.highlight p {
  color: var(--text-light-mut);
  font-size: 0.9375rem;
}

/* ============================================================
   SPEAKER
   ============================================================ */
.speaker {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
  margin-top: 24px;
}
.speaker-portrait {
  position: relative;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-cream-2);
  border: 1px solid rgba(0,0,0,0.06);
}
.speaker-portrait img {
  width: 100%; height: 100%; object-fit: cover;
  filter: contrast(0.94) brightness(0.96);
}
.speaker-caption {
  position: absolute;
  left: 24px; bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(10, 25, 41, 0.7);
  color: var(--gold);
  padding: 10px 14px;
  font-size: 10px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}
.caption-rule { width: 24px; height: 1px; background: var(--gold); display: inline-block; }

.speaker-bio .section-title { font-size: clamp(2rem, 3.6vw, 3rem); }
.speaker-role {
  color: var(--gold-soft);
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  margin-top: 10px;
}
.speaker-bio p + p { margin-top: 20px; }
.speaker-topics {
  margin-top: 32px;
  display: grid;
  gap: 12px;
}
.speaker-topics li {
  position: relative;
  padding-left: 26px;
  font-size: 0.9375rem;
  color: var(--text-dark);
}
.speaker-topics li::before {
  content: '';
  position: absolute;
  left: 0; top: 12px;
  width: 14px; height: 1px;
  background: var(--gold);
}

/* ============================================================
   AGENDA
   ============================================================ */
.agenda { margin-top: 16px; }

.agenda-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  margin-bottom: 56px;
}
.agenda-tab {
  text-align: left;
  padding: 28px 28px;
  border-right: 1px solid var(--gold-line);
  position: relative;
  color: var(--text-light-mut);
  transition: color var(--t-base) var(--ease), background var(--t-base) var(--ease);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.agenda-tab:last-child { border-right: none; }
@media (hover: hover) and (pointer: fine) {
  .agenda-tab:hover { color: var(--text-light); background: rgba(255,255,255,0.02); }
}
.agenda-tab .t-day {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.agenda-tab .t-date {
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-size: 1.625rem;
  color: var(--text-light);
  line-height: 1.18;
  letter-spacing: -0.005em;
}
.agenda-tab .t-theme {
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-light-mut);
}
.agenda-tab::after {
  content: '';
  position: absolute;
  left: 0; bottom: -1px;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 280ms var(--ease);
}
.agenda-tab.is-active { color: var(--text-light); background: rgba(201, 169, 97, 0.04); }
.agenda-tab.is-active::after { width: 100%; }
.agenda-tab.is-active .t-theme { color: var(--gold-light); }

.agenda-panel { animation: fadeIn 360ms var(--ease); }
.agenda-panel[hidden] { display: none; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.timeline {
  display: grid;
  gap: 0;
  position: relative;
}
.timeline li {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 40px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(201, 169, 97, 0.12);
  position: relative;
}
.timeline li:last-child { border-bottom: 0; }
.timeline li::before {
  content: '';
  position: absolute;
  left: 200px;
  top: 0; bottom: 0;
  width: 1px;
  background: rgba(201, 169, 97, 0.18);
  margin-left: -20px;
}
.timeline li::after {
  content: '';
  position: absolute;
  left: 200px;
  top: 38px;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--gold);
  margin-left: -23px;
  box-shadow: 0 0 0 4px var(--bg-navy);
}
.t-time {
  font-family: 'Playfair Display', serif;
  font-size: 1.125rem;
  color: var(--gold);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.t-body h4 {
  font-size: 1.25rem;
  margin: 0 0 8px;
  color: var(--text-light);
}
.t-body p {
  font-size: 0.9375rem;
  color: var(--text-light-mut);
}

/* ============================================================
   VENUE (full-bleed)
   ============================================================ */
.venue-bleed {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: flex-end;
  color: var(--text-light);
  overflow: hidden;
  background: var(--bg-navy);
  scroll-margin-top: var(--hdr-h);
}
.venue-bleed > .venue-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
}
.venue-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,25,41,0.2) 0%, rgba(10,25,41,0.55) 60%, rgba(10,25,41,0.92) 100%);
}
.venue-bleed .container { position: relative; padding-top: 120px; padding-bottom: 100px; width: 100%; }
.venue-card {
  max-width: 620px;
}
.venue-card .section-title { font-size: clamp(2rem, 3.4vw, 2.8rem); }
.venue-card p { color: var(--text-light-mut); margin-top: 8px; }
.venue-meta {
  display: grid;
  gap: 18px;
  margin: 32px 0 28px;
}
.venue-meta div {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 24px;
  padding: 14px 0;
  border-top: 1px solid var(--gold-line);
}
.venue-meta dt {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
}
.venue-meta dd {
  margin: 0;
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-size: 1.1875rem;
  color: var(--text-light);
}

/* ============================================================
   WHO SHOULD ATTEND
   ============================================================ */
.attendee-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--gold-line);
}
.attendee-list li {
  display: grid;
  grid-template-columns: 40px 1fr;
  align-items: start;
  gap: 16px;
  padding: 28px 32px 28px 0;
  border-bottom: 1px solid var(--gold-line);
}
.attendee-list li:nth-child(odd) { padding-right: 48px; border-right: 1px solid var(--gold-line); padding-left: 0; }
.attendee-list li:nth-child(even) { padding-left: 48px; }
.attendee-list .ai {
  font-family: 'Playfair Display', serif;
  font-style: italic;
  color: var(--gold);
  font-size: 1.5rem;
  line-height: 1;
  padding-top: 4px;
}
.attendee-list strong {
  display: block;
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-weight: 500;
  font-size: 1.375rem;
  color: var(--text-dark);
  margin-bottom: 6px;
  letter-spacing: 0.01em;
}
.attendee-list p {
  color: var(--text-dark-mut);
  font-size: 0.9375rem;
}

/* ============================================================
   KEY TOPICS
   ============================================================ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  border-left: 1px solid var(--gold-line);
}
.topic {
  padding: 40px 28px;
  border-right: 1px solid var(--gold-line);
  border-top: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  transition: background var(--t-base) var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .topic:hover { background: rgba(201, 169, 97, 0.04); }
}
.topic-num {
  display: inline-block;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 1.5rem;
  color: var(--gold);
  margin-bottom: 24px;
}
.topic h3 {
  font-size: 1.125rem;
  margin-bottom: 12px;
  color: var(--text-light);
  line-height: 1.3;
}
.topic p { color: var(--text-light-mut); font-size: 0.875rem; }

/* ============================================================
   RSVP FORM
   ============================================================ */
.section-rsvp .container { position: relative; }
.section-rsvp::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 50% at 50% 0%, rgba(201, 169, 97, 0.10) 0%, transparent 70%);
  pointer-events: none;
}

.rsvp-form {
  margin-top: 48px;
  display: grid;
  gap: 24px;
  position: relative;
  padding: 56px clamp(28px, 4vw, 56px);
  background: rgba(15, 34, 56, 0.7);
  border: 1px solid var(--gold-line);
}
.field {
  display: grid;
  gap: 8px;
}
.field label {
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold-soft);
  font-weight: 500;
}
.field label span { color: var(--gold); }
.field input,
.field select,
.field textarea {
  width: 100%;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--gold-line);
  color: var(--text-light);
  padding: 12px 0;
  font-family: inherit;
  font-size: 1rem;
  outline: none;
  transition: border-color var(--t-base) var(--ease);
  border-radius: 0;
  appearance: none;
}
.field textarea { resize: vertical; min-height: 96px; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  border-bottom-color: var(--gold);
}
.field input:invalid:not(:placeholder-shown) {
  border-bottom-color: #d27a7a;
}
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--gold) 50%),
                    linear-gradient(135deg, var(--gold) 50%, transparent 50%);
  background-position: calc(100% - 18px) 22px, calc(100% - 12px) 22px;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 28px;
}
.field select option { background: var(--bg-navy); color: var(--text-light); }
.field input::placeholder, .field textarea::placeholder { color: rgba(181, 186, 196, 0.5); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }

.form-actions { margin-top: 12px; display: grid; gap: 14px; }
.form-note { font-size: 12px; color: var(--text-light-mut); letter-spacing: 0.04em; text-align: center; }
.form-privacy {
  font-size: 11px;
  color: var(--text-light-mut);
  letter-spacing: 0.04em;
  text-align: center;
  line-height: 1.6;
  max-width: 52ch;
  margin: 0 auto;
}
.form-privacy a { color: var(--gold); border-bottom: 1px solid rgba(201, 169, 97, 0.4); }
.form-privacy a:hover { border-bottom-color: var(--gold); }

/* Honeypot — hide from real users without using display:none (bots fill display:none anyway) */
.hp-field {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin-top: 16px;
  padding: 18px 22px;
  font-size: 14px;
  border: 1px solid var(--gold-line);
  color: var(--text-light);
  letter-spacing: 0.04em;
}
.form-status.is-success { border-color: var(--gold); background: rgba(201, 169, 97, 0.08); }
.form-status.is-error { border-color: rgba(210, 122, 122, 0.5); background: rgba(210, 122, 122, 0.08); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--bg-navy);
  color: var(--text-light-mut);
  padding: 100px 0 40px;
  border-top: 1px solid var(--gold-line);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 64px;
  border-bottom: 1px solid var(--gold-line);
}
.footer-brand .brand-mark { font-size: 28px; letter-spacing: 0.4em; display: inline-block; margin-bottom: 14px; }
.footer-brand p { color: var(--text-light-mut); font-size: 0.9375rem; max-width: 320px; }

.footer-label {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.footer-col p { font-size: 0.9375rem; line-height: 1.8; }
@media (hover: hover) and (pointer: fine) {
  .footer-col a:hover { color: var(--gold); }
  .footer-bottom a:hover { color: var(--gold); border-bottom-color: var(--gold); }
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 32px;
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-light-mut);
}
.footer-bottom a { color: var(--text-light-mut); border-bottom: 1px solid transparent; transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease); }

/* ============================================================
   LEGAL PAGE (privacy)
   ============================================================ */
.legal-body { background: var(--bg-cream); }
.legal { padding-top: calc(var(--hdr-h) + 60px); }
.primary-nav--legal a { color: var(--text-light); }
.legal-meta {
  font-size: 0.875rem;
  color: var(--text-dark-mut);
  margin: 0 0 40px;
  font-style: italic;
}
.legal-prose h2 {
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-size: 1.625rem;
  margin: 48px 0 16px;
  letter-spacing: -0.008em;
}
.legal-prose p, .legal-prose ul { font-size: 1rem; color: var(--text-dark); }
.legal-prose p + p { margin-top: 16px; }
.legal-prose a { color: var(--gold-soft); border-bottom: 1px solid var(--gold-line); }
.legal-prose a:hover { color: var(--text-dark); border-bottom-color: var(--gold); }
.legal-list {
  margin: 16px 0;
  padding-left: 0;
  display: grid;
  gap: 8px;
}
.legal-list li {
  position: relative;
  padding-left: 24px;
  font-size: 0.9375rem;
}
.legal-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 11px;
  width: 12px; height: 1px;
  background: var(--gold);
}
.legal-back {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--gold-line);
}
.legal-back .btn { color: var(--gold-soft); border-color: var(--gold-line); }
.legal-back .btn:hover { background: var(--gold); color: var(--bg-navy); border-color: var(--gold); }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1080px) {
  .topic-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .topic:nth-child(n+4) { border-top: 0; }
  .highlight-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1fr 1fr; row-gap: 40px; }
  .hero-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .meta-block:nth-child(2) { border-right: none; }
  .meta-block:nth-child(odd) { border-right: 1px solid var(--gold-line); }
  .meta-block:nth-child(1), .meta-block:nth-child(2) { border-bottom: 1px solid var(--gold-line); }
}

@media (max-width: 820px) {
  :root {
    --hdr-h: 60px;
    --pad-y: clamp(64px, 11vw, 100px);
    --pad-x: clamp(20px, 5vw, 32px);
  }
  .nav-toggle { display: block; }
  /* Mobile nav panel.  Note: .site-header.is-scrolled uses backdrop-filter,
     which establishes a new containing block for fixed-position descendants.
     That means `inset: 60 0 0 0` would clip the panel to the 60px header,
     so we set explicit height instead and use only top/left/right. */
  .primary-nav {
    position: fixed;
    top: var(--hdr-h);
    left: 0;
    right: 0;
    height: calc(100vh - var(--hdr-h));
    height: calc(100dvh - var(--hdr-h));
    background: rgba(10, 25, 41, 0.98);
    backdrop-filter: saturate(140%) blur(10px);
    -webkit-backdrop-filter: saturate(140%) blur(10px);
    flex-direction: column;
    gap: 0;
    padding: 24px var(--pad-x) max(32px, env(safe-area-inset-bottom));
    align-items: flex-start;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
    border-bottom: 1px solid var(--gold-line);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }
  .primary-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .primary-nav a {
    padding: 20px 0;
    width: 100%;
    border-bottom: 1px solid rgba(201, 169, 97, 0.12);
    font-size: 14px;
    min-height: 44px;
  }
  .primary-nav a::after { display: none; }
  .primary-nav .nav-cta { border: 1px solid var(--gold-line); padding: 16px 18px; margin-top: 16px; text-align: center; }

  .site-header { background: rgba(10, 25, 41, 0.92); border-bottom: 1px solid var(--gold-line); }
  .brand-mark { font-size: 18px; letter-spacing: 0.32em; }
  .brand-sub { font-size: 9px; }

  .speaker { grid-template-columns: 1fr; gap: 32px; }
  .highlight-grid { grid-template-columns: 1fr; }
  .topic-grid { grid-template-columns: 1fr 1fr; }
  .topic:nth-child(n+3) { border-top: 0; }
  .attendee-list { grid-template-columns: 1fr; border-top: none; }
  .attendee-list li {
    grid-template-columns: 28px 1fr;
    padding: 22px 0;
    border-right: none !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .attendee-list li:first-child { padding-top: 8px; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 40px; }

  /* ---- Agenda: horizontal scroll-snap tabs on mobile ---- */
  .agenda-tabs {
    grid-template-columns: none;
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 0 calc(-1 * var(--pad-x)) 32px;
    padding: 0 var(--pad-x);
    border-top: 1px solid var(--gold-line);
    border-bottom: 1px solid var(--gold-line);
  }
  .agenda-tabs::-webkit-scrollbar { display: none; }
  .agenda-tab {
    border-right: 1px solid var(--gold-line);
    border-bottom: none;
    padding: 16px 22px;
    flex: 0 0 auto;
    min-width: 200px;
    scroll-snap-align: start;
  }
  .agenda-tab:last-child { border-right: none; }
  .agenda-tab .t-day { font-size: 10px; }
  .agenda-tab .t-date { font-size: 1.1rem; }
  .agenda-tab .t-theme { font-size: 10px; letter-spacing: 0.16em; }
  .agenda-tab.is-active::after { display: block; bottom: 0; }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 22px 0 22px 28px;
  }
  .timeline li::before { left: 6px; margin-left: 0; }
  .timeline li::after { left: 6px; top: 26px; margin-left: -3px; box-shadow: 0 0 0 4px var(--bg-navy); }

  /* ---- Hero compaction ---- */
  .hero {
    min-height: calc(100svh - 0px);
  }
  .hero-content {
    padding-top: calc(var(--hdr-h) + 24px);
    padding-bottom: max(72px, env(safe-area-inset-bottom));
  }
  .hero-eyebrow { margin-bottom: 24px; gap: 12px; font-size: 9px; }
  .hero-eyebrow .rule { width: 28px; }
  .hero-brand { font-size: 0.95rem; letter-spacing: 0.5em; }
  .hero-line {
    font-size: clamp(2rem, 8vw, 2.6rem);
    text-wrap: balance;
  }
  .hero-year { font-size: 0.95rem; }
  .hero-tagline { margin-bottom: 36px; font-size: 0.875rem; line-height: 1.6; }
  .hero-meta { grid-template-columns: 1fr 1fr; margin-bottom: 32px; }
  .meta-block { padding: 14px 10px; gap: 4px; }
  .meta-label { font-size: 9px; letter-spacing: 0.22em; }
  .meta-value { font-size: 0.875rem; }
  .hero-actions { flex-direction: column; align-items: stretch; gap: 14px; }
  .hero-actions .btn { width: 100%; min-height: 48px; }
  .hero-actions .btn-link { width: auto; align-self: center; }
  .hero-scroll { display: none; }

  /* ---- Venue ---- */
  .venue-bleed { min-height: auto; padding-top: 64px; }
  .venue-bleed .container { padding-top: 80px; padding-bottom: 80px; }
  .venue-card .section-title { font-size: clamp(1.75rem, 6vw, 2.4rem); }
  .venue-meta div { grid-template-columns: 1fr; gap: 6px; padding: 12px 0; }

  /* ---- RSVP form ---- */
  .rsvp-form { padding: 36px 22px; gap: 20px; }
  .field input,
  .field select,
  .field textarea { font-size: 16px; /* prevent iOS zoom-on-focus */ }
  .btn-block { min-height: 52px; }

  /* ---- Section heads ---- */
  .section-head { margin-bottom: 40px; }
  .section-title { font-size: clamp(1.85rem, 6.5vw, 2.6rem); text-wrap: balance; }

  /* ---- Footer ---- */
  .site-footer {
    padding: 64px 0 max(32px, env(safe-area-inset-bottom));
  }
  .footer-bottom { font-size: 10px; letter-spacing: 0.18em; }
}

@media (max-width: 480px) {
  .topic-grid { grid-template-columns: 1fr; }
  .topic:nth-child(n+2) { border-top: 0; }
  .hero-line { font-size: clamp(1.85rem, 9vw, 2.4rem); }
  .meta-block { padding: 12px 8px; }
  .meta-value { font-size: 0.8125rem; line-height: 1.4; }
  .meta-label { font-size: 8.5px; }
  .agenda-tab { min-width: 180px; padding: 14px 18px; }
  .agenda-tab .t-date { font-size: 1rem; }
  .legal-prose h2 { font-size: 1.25rem; margin-top: 36px; }
}

/* ============================================================
   Landscape phone — keep hero usable in landscape
   ============================================================ */
@media (max-width: 920px) and (orientation: landscape) and (max-height: 520px) {
  .hero { min-height: 620px; }
  .hero-content { padding-top: calc(var(--hdr-h) + 16px); padding-bottom: 32px; }
  .hero-meta { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 24px; }
  .hero-tagline { margin-bottom: 24px; }
  .hero-actions { flex-direction: row; }
  .hero-actions .btn { width: auto; }
}

/* ============================================================
   VENUE GALLERY
   ============================================================ */
.venue-gallery { padding-top: 80px; padding-bottom: var(--pad-y); }
.venue-gallery .section-head { margin-bottom: 56px; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-left: 1px solid var(--gold-line);
  border-top: 1px solid var(--gold-line);
}
.gallery-item {
  margin: 0;
  position: relative;
  border-right: 1px solid var(--gold-line);
  border-bottom: 1px solid var(--gold-line);
  overflow: hidden;
  aspect-ratio: 4 / 5;
}
.gallery-item img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 1200ms var(--ease), filter 1200ms var(--ease);
  filter: brightness(0.92);
}
.gallery-item figcaption {
  position: absolute;
  left: 18px; right: 18px; bottom: 16px;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  color: var(--text-light);
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  padding-left: 18px;
  z-index: 2;
  text-shadow: 0 1px 12px rgba(0,0,0,0.55);
}
.gallery-item figcaption::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px; height: 1px;
  background: var(--gold);
}
@media (hover: hover) and (pointer: fine) {
  .gallery-item:hover img { transform: scale(1.05); filter: brightness(1.0); }
}

@media (max-width: 820px) {
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .gallery-item { aspect-ratio: 1 / 1; }
}
@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: none;
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    margin: 0 calc(-1 * var(--pad-x));
    padding: 0 var(--pad-x);
    border: none;
  }
  .gallery-grid::-webkit-scrollbar { display: none; }
  .gallery-item {
    flex: 0 0 78%;
    aspect-ratio: 4 / 5;
    border: 1px solid var(--gold-line);
    scroll-snap-align: center;
    margin-right: 12px;
  }
  .gallery-item:last-child { margin-right: 0; }
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-list {
  border-top: 1px solid var(--gold-line);
}
.faq-item {
  border-bottom: 1px solid var(--gold-line);
}
.faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 48px 24px 0;
  position: relative;
  font-family: 'Cormorant Garamond', 'Playfair Display', serif;
  font-size: 1.3125rem;
  color: var(--text-dark);
  line-height: 1.35;
  transition: color var(--t-base) var(--ease);
}
.faq-item > summary::-webkit-details-marker { display: none; }
.faq-item > summary::before {
  content: '';
  position: absolute;
  right: 6px; top: 50%;
  width: 14px; height: 1px;
  background: var(--gold);
  transform: translateY(-50%);
}
.faq-item > summary::after {
  content: '';
  position: absolute;
  right: 12px; top: 50%;
  width: 1px; height: 14px;
  background: var(--gold);
  transform: translate(0, -50%);
  transition: transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
}
.faq-item[open] > summary::after { transform: translate(0, -50%) rotate(90deg); opacity: 0; }
.faq-item[open] > summary { color: var(--gold-soft); }
.faq-body {
  padding: 0 64px 28px 0;
  color: var(--text-dark-mut);
  font-size: 0.9375rem;
  line-height: 1.7;
  animation: faqOpen 320ms var(--ease);
}
.faq-body p + p { margin-top: 12px; }
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-4px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (hover: hover) and (pointer: fine) {
  .faq-item > summary:hover { color: var(--gold-soft); }
}

/* ============================================================
   AGENDA — Add to Calendar button
   ============================================================ */
.agenda-actions {
  display: flex;
  justify-content: center;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 1px solid rgba(201, 169, 97, 0.18);
}
.btn-cal {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border: 1px solid var(--gold-line);
  color: var(--gold);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  transition: background var(--t-base) var(--ease), color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.btn-cal svg { width: 14px; height: 14px; stroke: currentColor; }
.btn-cal:active { opacity: 0.78; }
@media (hover: hover) and (pointer: fine) {
  .btn-cal:hover { background: var(--gold); color: var(--bg-navy); border-color: var(--gold); }
}

/* ============================================================
   COUNTER (number animation eligibility)
   ============================================================ */
.counter { font-variant-numeric: tabular-nums; }

/* ============================================================
   INTERACTION POLISH (added pass 3)
   ============================================================ */

/* ---- Skip-to-content link (a11y) ---- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  background: var(--gold);
  color: var(--bg-navy);
  padding: 12px 20px;
  font-size: 11px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  font-weight: 500;
  transform: translateY(-150%);
  transition: transform 200ms var(--ease);
}
.skip-link:focus { transform: translateY(0); outline: none; }

/* ---- Scroll-progress bar ---- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 60;
  pointer-events: none;
  background: rgba(201, 169, 97, 0.08);
}
.scroll-progress > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--gold-soft) 0%, var(--gold) 60%, var(--gold-light) 100%);
  transform-origin: left;
  transition: width 80ms linear;
}

/* ---- Universal focus-visible (premium gold ring) ---- */
:focus { outline: none; }
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-bottom-color: var(--gold);
  box-shadow: 0 1px 0 0 var(--gold);
}

/* ---- Active-section nav link (ScrollSpy) ---- */
.primary-nav a[aria-current="section"] { color: var(--gold); }
.primary-nav a[aria-current="section"]::after { width: 100%; left: 0; }
.primary-nav .nav-cta[aria-current="section"] { background: var(--gold); color: var(--bg-navy); }

/* ---- Hero entrance choreography ---- */
.hero [data-stage] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 900ms var(--ease), transform 900ms var(--ease);
}
body.is-loaded .hero [data-stage] { opacity: 1; transform: translateY(0); }
body.is-loaded .hero [data-stage="1"] { transition-delay: 200ms; }
body.is-loaded .hero [data-stage="2"] { transition-delay: 320ms; }
body.is-loaded .hero [data-stage="3"] { transition-delay: 440ms; }
body.is-loaded .hero [data-stage="4"] { transition-delay: 560ms; }
body.is-loaded .hero [data-stage="5"] { transition-delay: 680ms; }
body.is-loaded .hero [data-stage="6"] { transition-delay: 760ms; }
body.is-loaded .hero [data-stage="7"] { transition-delay: 840ms; }
body.is-loaded .hero [data-stage="8"] { transition-delay: 980ms; }

/* ---- Hero Ken Burns (subtle) ---- */
.hero-media .hero-img {
  animation: kenBurns 24s ease-out both;
  transform-origin: center 40%;
}
@keyframes kenBurns {
  0%   { transform: scale(1.06); }
  100% { transform: scale(1.0); }
}

/* ---- Staggered reveal for grouped items ---- */
.highlight.reveal,
.topic.reveal,
.attendee-list li.reveal,
.timeline li.reveal {
  transition-delay: calc(var(--reveal-i, 0) * 90ms);
}

/* ---- Image hover micro-zoom ---- */
.speaker-portrait,
.venue-bleed { overflow: hidden; }
.speaker-portrait img,
.venue-bleed .venue-img {
  transition: transform 1200ms var(--ease), filter 1200ms var(--ease);
}
@media (hover: hover) and (pointer: fine) {
  .speaker-portrait:hover img { transform: scale(1.04); }
  .venue-bleed:hover .venue-img { transform: scale(1.03); }
}

/* ---- Refined form field states (inline validation) ---- */
.field { position: relative; }
.field .field-icon {
  position: absolute;
  right: 0;
  top: 36px;
  width: 18px; height: 18px;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease);
  pointer-events: none;
}
.field.is-valid .field-icon.icon-check { opacity: 1; transform: scale(1); }
.field.is-invalid .field-icon.icon-cross { opacity: 1; transform: scale(1); }
.field.is-valid input,
.field.is-valid select,
.field.is-valid textarea { border-bottom-color: rgba(201, 169, 97, 0.55); }
.field.is-invalid input,
.field.is-invalid select,
.field.is-invalid textarea { border-bottom-color: rgba(210, 122, 122, 0.75); }
.field .field-error {
  display: none;
  margin-top: 6px;
  color: #e9a4a4;
  font-size: 11px;
  letter-spacing: 0.04em;
}
.field.is-invalid .field-error { display: block; }

/* ---- Refined form success state ---- */
.form-status.is-success {
  border-color: var(--gold);
  background: rgba(201, 169, 97, 0.10);
  position: relative;
  padding-left: 56px;
}
.form-status.is-success::before {
  content: '';
  position: absolute;
  left: 22px;
  top: 22px;
  width: 22px; height: 22px;
  background: var(--gold);
  border-radius: 50%;
}
.form-status.is-success::after {
  content: '';
  position: absolute;
  left: 28px;
  top: 30px;
  width: 10px; height: 5px;
  border-left: 1.5px solid var(--bg-navy);
  border-bottom: 1.5px solid var(--bg-navy);
  transform: rotate(-45deg);
}

/* ============================================================
   Reduced motion (extended)
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero [data-stage] { opacity: 1; transform: none; }
  .hero-media .hero-img { animation: none; transform: none; }
}


/* ============================================================
   ROUND 2 — PREMIUM REFINEMENT
   ============================================================ */

/* ---- 4a · Foil gold on the ORBIS wordmark ----
   Replace flat gold with a 5-stop vertical gradient that simulates foil
   stamping, with a thin lighter band at ~40% mimicking catch-light. */
.brand-mark,
.hero-brand,
.brand-mark.gold {
  background: linear-gradient(
    180deg,
    #DCBE82 0%,
    #C9A961 32%,
    #E8D4A0 40%,
    #C9A961 48%,
    #9F8240 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  /* Subtle text-shadow so it has perceptible depth even when type is small. */
  filter: drop-shadow(0 0 0.5px rgba(201, 169, 97, 0.2));
}

/* ---- 4b · Paper grain on cream surfaces ----
   Inline SVG turbulence at very low opacity; near-imperceptible at normal
   zoom but adds a tactile printed-paper feel. ~600 bytes base64. */
.section-cream,
.legal-body,
.gallery-item figcaption ~ * {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.55  0 0 0 0 0.45  0 0 0 0 0.30  0 0 0 0.06 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 240px 240px;
}

/* ---- 5 · Editorial pull-quote interlude ----
   Full-bleed navy moment between Speaker (§3) and Agenda (§4). */
.interlude {
  background: var(--bg-navy);
  color: var(--text-light);
  padding: clamp(120px, 18vw, 220px) 0;
  text-align: center;
  position: relative;
}
.interlude::before,
.interlude::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, transparent, var(--gold), transparent);
  transform: translateX(-50%);
  opacity: 0.5;
}
.interlude::before { top: 56px; }
.interlude::after { bottom: 56px; }
.interlude-quote {
  margin: 0 auto;
  max-width: 24ch;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 300;
  font-size: clamp(2rem, 4.4vw, 3.6rem);
  line-height: 1.22;
  color: var(--text-light);
  letter-spacing: -0.008em;
}
.interlude-quote .interlude-emph {
  color: var(--gold-light);
  display: block;
  margin-top: 0.2em;
}
.interlude-rule {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 36px auto 18px;
}
.interlude-attribution {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin: 0;
}
.interlude-attribution em { font-family: 'Playfair Display', serif; font-style: italic; letter-spacing: 0.1em; text-transform: none; color: var(--gold); }

/* ---- 6 · Asymmetric Speaker section ----
   Portrait 42 / bio 58. Oversize italic name crosses the column boundary. */
.speaker-asym .speaker {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(40px, 5vw, 72px);
  align-items: start;
  margin-top: 32px;
}
.speaker-photo-caption {
  margin: 14px 0 0;
  font-family: 'Playfair Display', serif;
  font-style: italic;
  font-size: 0.875rem;
  color: var(--text-dark-mut);
  letter-spacing: 0.01em;
}
.speaker-photo-caption em { font-style: italic; }
.speaker-asym .speaker-bio { padding-top: 8px; position: relative; }
.speaker-asym .speaker-name {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(3.4rem, 7.5vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.022em;
  margin: 0 0 14px;
  /* Slide left so the italic name visually crosses into the portrait column. */
  margin-left: clamp(-80px, -5vw, -32px);
  white-space: nowrap;
}
.speaker-asym .speaker-role {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-soft);
  margin-top: 0;
}

@media (max-width: 820px) {
  .speaker-asym .speaker { grid-template-columns: 1fr; gap: 28px; }
  .speaker-asym .speaker-name {
    font-size: clamp(2.6rem, 11vw, 3.6rem);
    margin-left: 0;
    white-space: normal;
    line-height: 1.02;
  }
  .speaker-photo-caption { margin-top: 10px; }
}

/* ---- 7 · Consistent photo grading ----
   One warm-tone filter on every editorial image so unrelated Unsplash
   sources read as a single curated set. */
.hero-media .hero-img,
.speaker-portrait img,
.venue-bleed .venue-img,
.gallery-item img {
  filter: brightness(0.96) contrast(1.04) saturate(0.93);
}
/* Restore on hover (subtle "wake up" effect already exists for gallery). */
@media (hover: hover) and (pointer: fine) {
  .gallery-item:hover img { filter: brightness(1.0) contrast(1.04) saturate(0.98); }
}

/* ---- 8 · Section ornaments — diamond on the hairline ----
   Wrap the gold lozenge over the hairline at section heads.
   Applied to .hairline (default) — the diamond layers via ::before/::after. */
.section-head .hairline {
  position: relative;
  width: 96px;
  overflow: visible;
}
.section-head .hairline::before,
.section-head .hairline::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 36px;
  height: 1px;
  background: var(--gold);
}
.section-head .hairline::before { left: -48px; }
.section-head .hairline::after  { right: -48px; }
.section-head .hairline {
  background: transparent;
  height: 6px;
  margin-top: 32px;
  margin-bottom: 36px;
}
/* The diamond itself — a rotated square anchored centrally. */
.section-head .hairline {
  background-image: linear-gradient(45deg, transparent 47%, var(--gold) 47%, var(--gold) 53%, transparent 53%),
                    linear-gradient(135deg, transparent 47%, var(--gold) 47%, var(--gold) 53%, transparent 53%);
  background-size: 6px 6px, 6px 6px;
  background-position: center, center;
  background-repeat: no-repeat;
}
.section-head.center .hairline { margin-left: auto; margin-right: auto; }

/* Speaker section uses its own asymmetric layout — keep the simple hairline there. */
.speaker-asym .hairline {
  position: relative;
  width: 60px;
  height: 1px;
  margin: 18px 0 28px;
  background: var(--gold);
  background-image: none;
}
.speaker-asym .hairline::before,
.speaker-asym .hairline::after { display: none; }

/* The .hairline used inside other contexts (Venue card, etc.) — restore plain line. */
.venue-card .hairline,
.legal .hairline {
  background: var(--gold);
  background-image: none;
  height: 1px;
  width: 60px;
  margin: 28px 0 36px;
}
.venue-card .hairline::before,
.venue-card .hairline::after,
.legal .hairline::before,
.legal .hairline::after { display: none; }

/* ---- 1 · Hero refinement — more space above meta ---- */
.hero-meta { margin-top: 12px; }
.hero-actions { margin-top: 16px; }

/* ---- The hero-img keeps its Ken Burns animation; we just stack the grade filter on top.
   CSS doesn't allow chaining `filter` and animated `transform` cleanly, so the grade
   inherits via the global rule above and the Ken Burns transform stays untouched. ---- */