/* ============================================================
   PH & AI Summer School 2026 — Site Design System
   Palette + type lifted from the print materials.
   ============================================================ */

:root {
  /* Palette */
  --navy: #0C234B;
  --navy-deep: #081634;
  --navy-ink: #0A1A36;
  --coral: #E76F51;
  --coral-hot: #D4603C;
  --sun: #F4A261;
  --cream: #FAF6EF;
  --bone: #F0E7D8;
  --sand: #E8D5B7;
  --ink: #1A1410;
  --char: #3A2E26;

  /* Tints */
  --navy-line: rgba(12, 35, 75, 0.14);
  --cream-line: rgba(250, 246, 239, 0.16);
  --coral-soft: rgba(231, 111, 81, 0.12);

  /* Type */
  --display: "Archivo", system-ui, sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--cream);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

/* ---- Reusable layout ---- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

section { position: relative; }

.section-pad { padding: 110px 0; }
@media (max-width: 720px) { .section-pad { padding: 72px 0; } }

/* Eyebrow label (mono) */
.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--coral-hot);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
}
.eyebrow::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--coral);
  display: inline-block;
}
.eyebrow.center { justify-content: center; }
.on-navy .eyebrow { color: var(--sun); }

/* Section heading */
.h-section {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  margin: 0 0 18px;
  color: var(--navy);
  text-wrap: balance;
}
.on-navy .h-section { color: var(--cream); }
.h-section .amp {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 500;
  color: var(--coral);
}
.lead {
  font-size: clamp(16px, 1.5vw, 19px);
  line-height: 1.5;
  color: var(--char);
  max-width: 640px;
  margin: 0;
}
.on-navy .lead { color: rgba(250, 246, 239, 0.78); }
.center-head { text-align: center; }
.center-head .lead { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.01em;
  border: none;
  border-radius: 999px;
  padding: 15px 28px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.btn-primary {
  background: var(--coral);
  color: var(--navy);
  box-shadow: 0 8px 24px -8px rgba(231, 111, 81, 0.6);
}
.btn-primary:hover { background: var(--sun); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--cream);
  box-shadow: inset 0 0 0 1.5px rgba(250, 246, 239, 0.4);
}
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--sun); color: var(--sun); }
.btn-navy {
  background: var(--navy);
  color: var(--cream);
}
.btn-navy:hover { background: var(--navy-deep); transform: translateY(-2px); }

/* Sun mark animation */
.sun-rays { transform-origin: center; }

/* Desert horizon divider */
.horizon { display: block; width: 100%; height: 26px; }

/* Concentric rings decoration */
.rings { position: absolute; pointer-events: none; opacity: 0.5; }

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(12, 35, 75, 0);
  transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
  padding: 18px 0;
}
.nav.scrolled {
  background: rgba(8, 22, 52, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(250, 246, 239, 0.08);
  padding: 12px 0;
}
.nav-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--cream);
}
.nav-brand .mark { width: 30px; height: 30px; flex: 0 0 auto; }
.nav-brand .lockup {
  font-family: var(--display);
  font-weight: 900;
  font-size: 19px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.nav-brand .lockup .amp { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--coral); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}
.nav-links a {
  font-family: var(--sans);
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(250, 246, 239, 0.82);
  text-decoration: none;
  transition: color 0.18s ease;
}
.nav-links a:hover { color: var(--sun); }
.nav-links .btn { padding: 11px 22px; font-size: 14px; }
.nav-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  width: 40px; height: 40px;
  flex-direction: column; gap: 5px; justify-content: center; align-items: center;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--cream); transition: 0.2s; }

@media (max-width: 880px) {
  .nav-links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 320px);
    background: var(--navy-deep);
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    padding: 40px;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.2, 0.7, 0.3, 1);
    box-shadow: -20px 0 60px rgba(0,0,0,0.4);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 18px; }
  .nav-toggle { display: flex; z-index: 101; }
  .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: var(--navy);
  color: var(--cream);
  position: relative;
  overflow: hidden;
  padding: 180px 0 120px;
}
.hero-glow {
  position: absolute;
  width: 900px; height: 900px;
  border-radius: 50%;
  right: -280px; top: -360px;
  background: radial-gradient(circle, rgba(244,162,97,0.22), rgba(244,162,97,0) 62%);
  pointer-events: none;
}
.hero .rings-tr { top: -120px; right: -60px; width: 460px; height: 460px; }
.hero .rings-bl { bottom: -160px; left: -120px; width: 420px; height: 420px; }

.hero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.hero-eyebrow {
  font-family: var(--mono);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--sun);
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 30px;
}
.hero-eyebrow .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--coral); }

.hero-sun { margin-bottom: 26px; }

.hero h1 {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(46px, 9vw, 116px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  margin: 0;
}
.hero h1 .amp { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--coral); }
.hero h1 .line2 { color: var(--cream); }
.hero-sub {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(13px, 1.5vw, 16px);
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--sun);
  margin: 18px 0 0;
}

.hero-meta {
  margin-top: 44px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  align-items: flex-start;
}
.hero-date {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  letter-spacing: -0.02em;
  color: var(--cream);
}
.hero-loc {
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
  color: rgba(250, 246, 239, 0.75);
  max-width: 320px;
}
.hero-loc .pin { color: var(--coral); font-weight: 600; }
.hero-cta { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 14px; }

.hero-rule {
  margin-top: 56px;
  height: 1px;
  background: var(--cream-line);
}
.scroll-hint {
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(250, 246, 239, 0.5);
  display: flex; align-items: center; gap: 10px;
}
.scroll-hint .arrow { animation: bob 1.8s ease-in-out infinite; }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(4px)} }

/* ============================================================
   BANNER (sold out)
   ============================================================ */
.banner {
  background: var(--coral);
  color: var(--navy);
  padding: 54px 0;
}
.banner-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  align-items: center;
}
@media (max-width: 760px) { .banner-grid { grid-template-columns: 1fr; gap: 24px; } }
.banner .tag {
  font-family: var(--mono);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.26em; text-transform: uppercase;
  background: var(--navy); color: var(--coral);
  padding: 6px 12px; border-radius: 999px;
  display: inline-block; margin-bottom: 16px;
}
.banner h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 38px);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0 0 14px;
}
.banner p { font-size: 15.5px; line-height: 1.55; margin: 0; max-width: 560px; }
.banner p strong { font-weight: 700; }
.banner-cta { display: flex; justify-content: flex-end; }
@media (max-width: 760px) { .banner-cta { justify-content: flex-start; } }

/* ============================================================
   STATS / HIGHLIGHTS
   ============================================================ */
.highlights { background: var(--navy-deep); color: var(--cream); }
.video-hero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--navy-deep);
}
.video-bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
}
.video-scrim {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(8,22,52,0.55) 0%, rgba(8,22,52,0.35) 40%, rgba(8,22,52,0.82) 100%),
    linear-gradient(90deg, rgba(8,22,52,0.6) 0%, rgba(8,22,52,0.1) 60%);
}
.video-overlay { position: relative; z-index: 2; width: 100%; padding: 110px 0; }
@media (max-width: 720px) { .video-overlay { padding: 80px 0; } .video-hero { min-height: 78vh; } }
.video-overlay .h-section { text-shadow: 0 2px 24px rgba(8,22,52,0.5); }
.video-overlay .lead { color: rgba(250,246,239,0.9); text-shadow: 0 1px 16px rgba(8,22,52,0.6); }
.video-mute {
  position: absolute; right: 22px; bottom: 22px; z-index: 3;
  font-family: var(--mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cream); background: rgba(8,22,52,0.55);
  border: 1px solid var(--cream-line); border-radius: 999px;
  padding: 9px 16px; cursor: pointer; backdrop-filter: blur(6px);
  transition: background 0.18s, border-color 0.18s;
}
.video-mute:hover { background: rgba(8,22,52,0.8); border-color: rgba(250,246,239,0.4); }
.video-mute .mute-off { display: none; }
.video-mute.unmuted .mute-on { display: none; }
.video-mute.unmuted .mute-off { display: inline; color: var(--sun); }
.stats {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
.stat { text-align: left; }
.stat .num {
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(38px, 5vw, 58px);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--sun);
}
.stat .lbl {
  font-family: var(--sans);
  font-size: 14px; font-weight: 500;
  color: rgba(250,246,239,0.75);
  margin-top: 8px;
}
.stats-note {
  margin-top: 30px;
  font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: rgba(250,246,239,0.45);
}

/* ============================================================
   TRACKS
   ============================================================ */
.tracks { background: var(--cream); }
.track-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
@media (max-width: 900px) { .track-grid { grid-template-columns: 1fr; } }
.track-card {
  background: #fff;
  border-radius: 18px;
  padding: 38px 34px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 50px -28px rgba(12,35,75,0.28);
  border: 1px solid var(--navy-line);
  display: flex; flex-direction: column;
}
.track-card.fluency { background: var(--navy); color: var(--cream); border-color: transparent; }
.track-badge {
  font-family: var(--mono);
  font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--coral-hot);
  display: inline-block; margin-bottom: 18px;
}
.fluency .track-badge { color: var(--sun); }
.track-emoji { font-size: 34px; line-height: 1; margin-bottom: 14px; }
.track-card h3 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 34px;
  letter-spacing: -0.025em;
  margin: 0 0 6px;
  color: var(--navy);
}
.fluency h3 { color: var(--cream); }
.track-tagline {
  font-family: var(--serif);
  font-style: italic;
  font-size: 18px;
  color: var(--coral-hot);
  margin: 0 0 22px;
}
.fluency .track-tagline { color: var(--sun); }
.track-card p { font-size: 15px; line-height: 1.55; color: var(--char); margin: 0 0 16px; }
.fluency p { color: rgba(250,246,239,0.8); }
.track-card p strong { color: var(--navy); font-weight: 700; }
.fluency p strong { color: var(--cream); }
.track-sub {
  font-family: var(--mono);
  font-size: 11px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--coral-hot);
  margin: 22px 0 12px;
}
.fluency .track-sub { color: var(--sun); }
.track-list { list-style: none; padding: 0; margin: 0 0 8px; display: flex; flex-direction: column; gap: 9px; }
.track-list li { font-size: 14px; line-height: 1.4; padding-left: 24px; position: relative; color: var(--char); }
.fluency .track-list li { color: rgba(250,246,239,0.82); }
.track-list li::before {
  content: ""; position: absolute; left: 0; top: 6px;
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid var(--coral);
}
.track-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.chip {
  font-family: var(--sans); font-size: 12.5px; font-weight: 500;
  padding: 6px 13px; border-radius: 999px;
  background: var(--coral-soft); color: var(--coral-hot);
}
.fluency .chip { background: rgba(244,162,97,0.16); color: var(--sun); }
.track-rings { position: absolute; right: -50px; bottom: -50px; width: 180px; height: 180px; opacity: 0.4; }

/* ============================================================
   SHARED FEATURES
   ============================================================ */
.shared { background: var(--bone); }
.feature-grid {
  margin-top: 52px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (max-width: 900px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px) { .feature-grid { grid-template-columns: 1fr; } }
.feature {
  background: var(--cream);
  border-radius: 14px;
  padding: 28px 24px;
  border: 1px solid var(--navy-line);
}
.feature .ico { font-size: 28px; margin-bottom: 14px; }
.feature h4 {
  font-family: var(--display); font-weight: 700; font-size: 18px;
  letter-spacing: -0.01em; margin: 0 0 8px; color: var(--navy);
}
.feature p { font-size: 14px; line-height: 1.5; color: var(--char); margin: 0; }

/* Credential band */
.credential {
  margin-top: 36px;
  background: var(--navy);
  color: var(--cream);
  border-radius: 18px;
  padding: 40px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 30px;
  align-items: center;
  overflow: hidden;
  position: relative;
}
@media (max-width: 820px) { .credential { grid-template-columns: 1fr; gap: 20px; text-align: center; } }
.credential .cred-ico { font-size: 50px; }
.credential h4 { font-family: var(--display); font-weight: 800; font-size: 24px; margin: 0 0 8px; letter-spacing: -0.02em; }
.credential p { margin: 0; font-size: 14.5px; line-height: 1.55; color: rgba(250,246,239,0.8); }
.credential p strong { color: var(--sun); }
.cred-checks { display: flex; flex-direction: column; gap: 8px; }
@media (max-width: 820px) { .cred-checks { align-items: center; } }
.cred-checks span {
  font-family: var(--mono); font-size: 11.5px; font-weight: 600;
  letter-spacing: 0.05em; color: var(--sun); white-space: nowrap;
}

/* ============================================================
   SCHEDULE
   ============================================================ */
.schedule { background: var(--navy); color: var(--cream); }
.sched-legend {
  margin-top: 30px;
  display: flex; flex-wrap: wrap; gap: 18px;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.06em;
  text-transform: uppercase; color: rgba(250,246,239,0.7);
}
.sched-legend .key { display: inline-flex; align-items: center; gap: 7px; }
.sched-legend .sw { width: 12px; height: 12px; border-radius: 3px; }
.sw-lit { background: var(--sun); }
.sw-flu { background: var(--coral); }
.sw-all { background: var(--cream); }

.sched-tabs {
  margin-top: 34px;
  display: flex; flex-wrap: wrap; gap: 10px;
}
.sched-tab {
  font-family: var(--sans); font-weight: 600; font-size: 14px;
  background: transparent; color: rgba(250,246,239,0.7);
  border: 1px solid var(--cream-line); border-radius: 999px;
  padding: 11px 22px; cursor: pointer; transition: 0.18s;
}
.sched-tab:hover { color: var(--cream); border-color: rgba(250,246,239,0.4); }
.sched-tab.active { background: var(--coral); color: var(--navy); border-color: var(--coral); }
.sched-tab .d { display: block; font-family: var(--mono); font-size: 10px; letter-spacing: 0.14em; opacity: 0.7; margin-top: 2px; }

.sched-panel { margin-top: 36px; display: none; }
.sched-panel.active { display: block; animation: fade 0.3s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.sched-day-title {
  font-family: var(--display); font-weight: 800; font-size: 26px;
  letter-spacing: -0.02em; margin: 0 0 4px;
}
.sched-day-date { font-family: var(--mono); font-size: 12px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sun); margin: 0 0 28px; }

.sched-row {
  display: grid;
  grid-template-columns: 92px 1fr auto;
  gap: 22px;
  padding: 18px 0;
  border-top: 1px solid var(--cream-line);
  align-items: start;
}
@media (max-width: 680px) { .sched-row { grid-template-columns: 70px 1fr; } .sched-row .track-pill { grid-column: 2; justify-self: start; margin-top: 6px; } }
.sched-time { font-family: var(--mono); font-size: 13px; font-weight: 600; color: var(--sun); padding-top: 2px; }
.sched-body h5 { font-family: var(--sans); font-weight: 600; font-size: 16px; line-height: 1.3; margin: 0 0 4px; color: var(--cream); }
.sched-body .who { font-size: 13.5px; color: rgba(250,246,239,0.65); }
.sched-row.break { opacity: 0.62; }
.sched-row.break .sched-body h5 { font-weight: 500; font-size: 14px; }
.track-pill {
  font-family: var(--mono); font-size: 10px; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 5px 11px; border-radius: 999px; white-space: nowrap;
}
.pill-lit { background: rgba(244,162,97,0.18); color: var(--sun); }
.pill-flu { background: rgba(231,111,81,0.2); color: var(--coral); }
.pill-all { background: rgba(250,246,239,0.12); color: var(--cream); }
.sched-disclaimer {
  margin-top: 30px; font-family: var(--mono); font-size: 11.5px;
  letter-spacing: 0.06em; color: rgba(250,246,239,0.5);
}

/* ============================================================
   REGISTRATION
   ============================================================ */
.register { background: var(--cream); }
.reg-grid {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 980px) { .reg-grid { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; } }
.reg-card {
  background: #fff; border-radius: 18px; padding: 32px 28px;
  border: 1px solid var(--navy-line);
  box-shadow: 0 20px 50px -30px rgba(12,35,75,0.25);
  display: flex; flex-direction: column;
}
.reg-card.online { background: var(--navy); color: var(--cream); border-color: transparent; }
.reg-mode {
  font-family: var(--mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--coral-hot);
  margin-bottom: 14px;
}
.online .reg-mode { color: var(--sun); }
.reg-card h3 { font-family: var(--display); font-weight: 800; font-size: 26px; letter-spacing: -0.02em; margin: 0 0 12px; color: var(--navy); }
.online h3 { color: var(--cream); }
.reg-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 14px; }
.reg-price .amt { font-family: var(--display); font-weight: 900; font-size: 40px; letter-spacing: -0.03em; color: var(--navy); }
.online .reg-price .amt { color: var(--sun); }
.reg-price .note { font-size: 13px; color: var(--char); }
.online .reg-price .note { color: rgba(250,246,239,0.7); }
.reg-soldout {
  background: var(--coral-soft); border-radius: 10px; padding: 13px 15px;
  font-size: 13.5px; line-height: 1.45; color: var(--char); margin-bottom: 18px;
}
.reg-soldout strong { color: var(--coral-hot); }
.reg-tiers { list-style: none; padding: 0; margin: 0 0 20px; display: flex; flex-direction: column; gap: 8px; }
.reg-tiers li { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; font-size: 13.5px; padding: 7px 0; border-bottom: 1px dashed var(--navy-line); }
.online .reg-tiers li { border-color: var(--cream-line); }
.reg-tiers .tier-name { color: var(--char); }
.online .reg-tiers .tier-name { color: rgba(250,246,239,0.8); }
.reg-tiers .tier-price { font-family: var(--mono); font-weight: 600; color: var(--navy); white-space: nowrap; }
.online .reg-tiers .tier-price { color: var(--cream); }
.reg-tiers .off { color: var(--coral-hot); font-size: 11px; font-weight: 700; }
.reg-learn { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--coral-hot); margin: 18px 0 10px; }
.online .reg-learn { color: var(--sun); }
.reg-card .btn { margin-top: auto; justify-content: center; }
.reg-success { display: none; margin-top: 14px; font-size: 13px; color: var(--coral-hot); font-weight: 600; }
.reg-success.show { display: block; }

/* ============================================================
   SPEAKERS
   ============================================================ */
.speakers { background: var(--bone); }
.speaker-grid {
  margin-top: 54px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .speaker-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .speaker-grid { grid-template-columns: 1fr; } }
.speaker {
  background: var(--cream);
  border-radius: 14px;
  padding: 30px 22px 26px;
  border: 1px solid var(--navy-line);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.speaker .av {
  width: 104px; height: 104px; border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--navy);
  position: relative; overflow: hidden; flex: 0 0 auto;
  box-shadow: 0 0 0 3px var(--cream), 0 0 0 5px var(--coral);
}
.speaker .av img {
  display: block;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  border-radius: 50%;
}
.speaker h4 { font-family: var(--display); font-weight: 700; font-size: 17px; letter-spacing: -0.01em; margin: 0 0 4px; color: var(--navy); }
.speaker .role { font-size: 13px; line-height: 1.4; color: var(--coral-hot); font-weight: 600; }
.speaker .org { font-size: 12.5px; line-height: 1.4; color: var(--char); margin-top: 4px; }

/* Committee */
.committee { background: var(--cream); }
.comm-grid {
  margin-top: 50px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
@media (max-width: 820px) { .comm-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .comm-grid { grid-template-columns: 1fr; } }
.comm {
  border-left: 3px solid var(--coral);
  padding: 6px 0 6px 18px;
}
.comm h4 { font-family: var(--display); font-weight: 700; font-size: 16px; margin: 0 0 4px; color: var(--navy); }
.comm a { color: var(--navy); text-decoration: none; }
.comm a:hover { color: var(--coral-hot); }
.comm .aff { font-size: 13px; color: var(--char); }

/* ============================================================
   SCHOLARSHIPS
   ============================================================ */
.scholar { background: var(--navy); color: var(--cream); overflow: hidden; }
.scholar-card {
  margin-top: 44px;
  background: rgba(250,246,239,0.05);
  border: 1px solid var(--cream-line);
  border-radius: 18px;
  padding: 44px;
  max-width: 760px;
}
.scholar-card h3 { font-family: var(--display); font-weight: 800; font-size: 26px; letter-spacing: -0.02em; margin: 0 0 14px; }
.scholar-card p { font-size: 15px; line-height: 1.6; color: rgba(250,246,239,0.82); margin: 0 0 22px; }
.scholar-card p strong { color: var(--sun); }
.scholar-sub { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sun); margin-bottom: 12px; }
.scholar-list { list-style: none; padding: 0; margin: 0 0 26px; display: flex; flex-direction: column; gap: 10px; }
.scholar-list li { font-size: 14.5px; padding-left: 26px; position: relative; color: rgba(250,246,239,0.85); }
.scholar-list li::before { content: "✓"; position: absolute; left: 0; color: var(--coral); font-weight: 700; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--navy-deep); color: var(--cream); padding: 70px 0 36px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
}
@media (max-width: 820px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand .mark { width: 40px; height: 40px; margin-bottom: 16px; }
.footer-brand .lockup { font-family: var(--display); font-weight: 900; font-size: 24px; letter-spacing: -0.02em; }
.footer-brand .lockup .amp { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--coral); }
.footer-brand p { font-size: 13.5px; line-height: 1.5; color: rgba(250,246,239,0.6); margin: 14px 0 0; max-width: 280px; }
.footer-col h5 { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--sun); margin: 0 0 16px; }
.footer-col a { display: block; font-size: 14px; color: rgba(250,246,239,0.72); text-decoration: none; margin-bottom: 10px; transition: color 0.15s; }
.footer-col a:hover { color: var(--sun); }
.footer-ua { margin-top: 50px; padding-top: 28px; border-top: 1px solid var(--cream-line); display: flex; flex-wrap: wrap; gap: 24px 36px; align-items: center; justify-content: space-between; }
.footer-ua .zuck { height: 38px; opacity: 0.95; }
.footer-ua .copy { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; color: rgba(250,246,239,0.5); max-width: 460px; }
@media (max-width: 560px) { .footer-ua .zuck { height: 32px; } }

/* ============================================================
   SUBPAGE (FAQ / Travel / Accommodation)
   ============================================================ */
.subhero {
  background: var(--navy);
  color: var(--cream);
  position: relative;
  overflow: hidden;
  padding: 150px 0 70px;
}
.subhero-glow {
  position: absolute; width: 720px; height: 720px; border-radius: 50%;
  right: -240px; top: -300px;
  background: radial-gradient(circle, rgba(244,162,97,0.20), rgba(244,162,97,0) 62%);
  pointer-events: none;
}
.subhero .rings-tr { top: -120px; right: -40px; width: 360px; height: 360px; }
.subhero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.crumb {
  font-family: var(--mono); font-size: 12px; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--sun);
  display: flex; align-items: center; gap: 10px; margin-bottom: 22px;
}
.crumb a { color: rgba(250,246,239,0.6); text-decoration: none; }
.crumb a:hover { color: var(--sun); }
.crumb .sep { color: rgba(250,246,239,0.35); }
.subhero h1 {
  font-family: var(--display); font-weight: 900;
  font-size: clamp(38px, 6vw, 72px); line-height: 0.96;
  letter-spacing: -0.035em; margin: 0; color: var(--cream);
}
.subhero h1 .amp { font-family: var(--serif); font-style: italic; font-weight: 500; color: var(--coral); }
.subhero .sub-lead {
  font-size: clamp(15px, 1.6vw, 18px); line-height: 1.5;
  color: rgba(250,246,239,0.78); margin: 20px 0 0; max-width: 620px;
}

.subbody { background: var(--cream); }
.sub-cols { display: grid; grid-template-columns: 240px 1fr; gap: 56px; align-items: start; }
@media (max-width: 860px) { .sub-cols { grid-template-columns: 1fr; gap: 32px; } }

/* Sticky side index */
.sub-index { position: sticky; top: 100px; }
@media (max-width: 860px) { .sub-index { position: static; } }
.sub-index h4 { font-family: var(--mono); font-size: 11px; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--coral-hot); margin: 0 0 16px; }
.sub-index a { display: block; font-family: var(--sans); font-size: 14px; font-weight: 500; color: var(--char); text-decoration: none; padding: 8px 0 8px 16px; border-left: 2px solid var(--navy-line); transition: 0.15s; }
.sub-index a:hover { color: var(--coral-hot); border-color: var(--coral); }

.sub-block { margin-bottom: 56px; scroll-margin-top: 100px; }
.sub-block:last-child { margin-bottom: 0; }
.sub-block > h2 {
  font-family: var(--display); font-weight: 800;
  font-size: clamp(24px, 3vw, 34px); letter-spacing: -0.025em;
  color: var(--navy); margin: 0 0 24px; padding-bottom: 14px;
  border-bottom: 2px solid var(--coral); display: inline-block;
}

/* FAQ accordion */
.faq-item { border-bottom: 1px solid var(--navy-line); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  font-family: var(--sans); font-weight: 600; font-size: 17px; color: var(--navy);
  padding: 22px 44px 22px 0; position: relative; line-height: 1.4;
}
.faq-q::after {
  content: "+"; position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
  font-family: var(--display); font-weight: 400; font-size: 28px; color: var(--coral);
  transition: transform 0.25s ease;
}
.faq-item.open .faq-q::after { content: "−"; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-a-inner { padding: 0 44px 24px 0; font-size: 15px; line-height: 1.6; color: var(--char); }
.faq-a-inner a { color: var(--coral-hot); font-weight: 600; }
.faq-a-inner p { margin: 0 0 12px; }
.faq-a-inner p:last-child { margin: 0; }
.faq-a-inner ul { margin: 0; padding-left: 20px; }
.faq-a-inner li { margin-bottom: 7px; }

/* Info cards (travel / accommodation) */
.info-card {
  background: #fff; border-radius: 16px; padding: 30px 30px;
  border: 1px solid var(--navy-line); margin-bottom: 20px;
  box-shadow: 0 16px 40px -28px rgba(12,35,75,0.25);
}
.info-card h3 { font-family: var(--display); font-weight: 800; font-size: 22px; letter-spacing: -0.02em; color: var(--navy); margin: 0 0 6px; display: flex; align-items: center; gap: 10px; }
.info-card .meta { font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; color: var(--coral-hot); margin: 0 0 16px; }
.info-card p { font-size: 14.5px; line-height: 1.6; color: var(--char); margin: 0 0 12px; }
.info-card p:last-child { margin: 0; }
.info-card .row { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 14px; }
.info-card .row span { font-size: 13.5px; color: var(--char); }
.info-card .row strong { color: var(--navy); }
.info-card .ext { font-family: var(--sans); font-weight: 600; font-size: 14px; color: var(--coral-hot); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; margin-top: 8px; }
.info-card .ext:hover { color: var(--navy); }

.hotel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 720px) { .hotel-grid { grid-template-columns: 1fr; } }
.hotel-grid .info-card { margin-bottom: 0; }
.dist-tag {
  font-family: var(--mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  background: var(--coral-soft); color: var(--coral-hot);
  padding: 4px 10px; border-radius: 999px; white-space: nowrap;
}

/* Map / venue callout */
.venue-callout {
  background: var(--navy); color: var(--cream); border-radius: 18px;
  padding: 38px; display: grid; grid-template-columns: 1fr auto; gap: 28px;
  align-items: center; overflow: hidden; position: relative; margin-bottom: 40px;
}
@media (max-width: 680px) { .venue-callout { grid-template-columns: 1fr; } }
.venue-callout h3 { font-family: var(--display); font-weight: 800; font-size: 24px; letter-spacing: -0.02em; margin: 0 0 8px; }
.venue-callout p { margin: 0; font-size: 14.5px; line-height: 1.55; color: rgba(250,246,239,0.8); }
.venue-callout .btn { white-space: nowrap; }

/* Help strip */
.help-strip { background: var(--coral); color: var(--navy); }
.help-strip .wrap { display: flex; flex-wrap: wrap; gap: 24px; align-items: center; justify-content: space-between; padding-top: 48px; padding-bottom: 48px; }
.help-strip h3 { font-family: var(--display); font-weight: 800; font-size: clamp(22px, 3vw, 32px); letter-spacing: -0.02em; margin: 0 0 6px; }
.help-strip p { margin: 0; font-size: 15px; }

/* Map embed */
.venue-map {
  border-radius: 16px; overflow: hidden;
  border: 1px solid var(--navy-line);
  box-shadow: 0 16px 40px -28px rgba(12,35,75,0.3);
  margin-bottom: 40px; background: var(--navy);
}
.venue-map iframe { display: block; width: 100%; height: 420px; border: 0; }
@media (max-width: 560px) { .venue-map iframe { height: 320px; } }
.venue-map .map-bar {
  display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; justify-content: space-between;
  padding: 16px 20px; background: var(--navy); color: var(--cream);
}
.venue-map .map-bar .addr { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.04em; color: rgba(250,246,239,0.85); }
.venue-map .map-bar .addr strong { color: var(--sun); font-weight: 600; }
.venue-map .map-bar a { font-family: var(--sans); font-weight: 600; font-size: 13.5px; color: var(--sun); text-decoration: none; white-space: nowrap; }
.venue-map .map-bar a:hover { color: var(--coral); }

.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .sun-rays { animation: none !important; }
  html { scroll-behavior: auto; }
}