/* ---------- Tokens ---------- */
:root {
  --teal-900: #0d3b48;
  --teal-800: #134e5e;
  --teal-700: #1a6175;
  --teal-100: #e7eef1;
  --cream: #f6f1ea;
  --cream-2: #ede5d7;
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --muted: #6b7280;
  --red: #dc2742;
  --red-dark: #b91c34;
  --gold: #c9a14a;
  --line: rgba(0,0,0,0.08);

  --bg: var(--cream);
  --bg-alt: #fbf7f0;
  --fg: var(--ink);
  --fg-soft: var(--ink-soft);
  --card: #ffffff;
  --card-line: rgba(0,0,0,0.06);

  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 2px 6px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 30px rgba(13,59,72,0.10), 0 2px 8px rgba(13,59,72,0.06);
  --shadow-lg: 0 30px 60px rgba(13,59,72,0.18);

  --container: 1200px;

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
  --bg: #0b2730;
  --bg-alt: #0e323d;
  --fg: #f1ece3;
  --fg-soft: #c8c0b3;
  --card: #133946;
  --card-line: rgba(255,255,255,0.08);
  --line: rgba(255,255,255,0.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Type ---------- */
h1, h2, h3, h4, .hero__title, .section__title, .tier__name, .ticket__price {
  font-family: var(--font-serif);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0;
}

.eyebrow {
  text-transform: uppercase;
  font-size: 12px;
  letter-spacing: 0.18em;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  margin: 0 0 18px;
}
.eyebrow--dark { color: var(--red); }

.section__title { font-size: clamp(32px, 4.4vw, 52px); }
.section__sub { color: var(--fg-soft); max-width: 640px; margin: 14px 0 0; font-size: 17px; }

/* ---------- Nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(246,241,234,0.92);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--line);
}
[data-theme="dark"] .nav { background: rgba(11,39,48,0.92); }
.nav__inner {
  display: flex; align-items: center; gap: 24px;
  height: 72px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--teal-800); }
[data-theme="dark"] .brand { color: var(--cream); }
.brand__mark { width: 48px; height: 48px; flex-shrink: 0; object-fit: contain; border-radius: 50%; background: #fff; }
.brand__text { display: flex; flex-direction: column; line-height: 1.05; }
.brand__text strong { font-family: var(--font-serif); font-weight: 800; font-size: 18px; letter-spacing: -0.01em; }
.brand__text em { font-style: normal; font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-soft); }

.nav__links { display: flex; gap: 28px; margin-left: auto; }
.nav__links a {
  font-weight: 600; font-size: 13px; letter-spacing: 0.08em;
  text-transform: uppercase; text-decoration: none; color: var(--fg);
  padding: 8px 0; position: relative;
}
.nav__links a:hover { color: var(--red); }

.nav__actions { display: flex; align-items: center; gap: 12px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--line); background: transparent; color: var(--fg);
  display: grid; place-items: center; cursor: pointer;
  transition: background .2s, color .2s;
}
.icon-btn:hover { background: var(--teal-800); color: #fff; }

.nav__burger {
  display: none; flex-direction: column; gap: 5px;
  width: 40px; height: 40px; border: 1px solid var(--line);
  background: transparent; border-radius: 8px; cursor: pointer;
  padding: 10px;
}
.nav__burger span { display: block; height: 2px; background: var(--fg); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 14px 22px;
  border-radius: 999px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 13px;
  text-decoration: none; cursor: pointer; border: 2px solid transparent;
  transition: transform .15s ease, background .2s, color .2s, border-color .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn--primary { background: var(--red); color: #fff; }
.btn--primary:hover { background: var(--red-dark); }
.btn--ghost { color: var(--fg); border-color: currentColor; background: transparent; }
.btn--ghost:hover { background: var(--fg); color: var(--bg); }
.btn--ghost-light { color: #fff; }
.btn--ghost-light:hover { background: #fff; color: var(--teal-900); }
.btn--block { display: flex; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, var(--teal-900) 0%, var(--teal-700) 100%);
  color: #fff;
  padding: 96px 0 110px;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(255,255,255,0.08), transparent 60%);
}
.orb--lg { width: 720px; height: 720px; right: -180px; top: -140px; background: rgba(13,59,72,0.55); }
.orb--sm { width: 280px; height: 280px; left: -80px; bottom: -100px; background: rgba(220,39,66,0.10); }

.hero__inner { position: relative; max-width: 920px; }
.hero__logo {
  width: 108px; height: 108px; margin-bottom: 28px;
  background: #fff; border-radius: 50%; padding: 8px;
  object-fit: contain;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.hero__title {
  font-size: clamp(42px, 7vw, 88px);
  color: #fff;
  margin: 0 0 22px;
}
.hero__title .accent { color: var(--red); }
.hero__lede {
  font-family: var(--font-serif); font-style: italic;
  font-size: clamp(18px, 2vw, 22px);
  color: rgba(255,255,255,0.86);
  margin: 0 0 32px;
  max-width: 640px;
}
.hero__cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }
.hero__cta .btn--ghost { color: #fff; border-color: rgba(255,255,255,0.5); }
.hero__cta .btn--ghost:hover { background: #fff; color: var(--teal-900); }

.hero__meta {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px; max-width: 720px;
  border-top: 1px solid rgba(255,255,255,0.18);
  padding-top: 28px;
}
.hero__meta li { display: flex; flex-direction: column; gap: 4px; }
.hero__meta span {
  text-transform: uppercase; font-size: 11px; letter-spacing: 0.16em;
  color: rgba(255,255,255,0.6);
}
.hero__meta strong { font-family: var(--font-serif); font-size: 20px; }

/* ---------- Sections ---------- */
.section { padding: 110px 0; }
.section--alt { background: var(--bg-alt); }

.section__head { max-width: 760px; margin-bottom: 56px; }
.section__head--center { text-align: center; margin-left: auto; margin-right: auto; }
.section__head--center .section__sub { margin-left: auto; margin-right: auto; }

.grid { display: grid; gap: 56px; }
.grid--2 { grid-template-columns: 1fr 1.2fr; align-items: start; }
.grid--speaker { grid-template-columns: 360px 1fr; align-items: center; gap: 64px; }

.prose p { margin: 0 0 16px; font-size: 17px; color: var(--fg-soft); }
.pullquote {
  margin: 0 0 24px;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 24px;
  line-height: 1.4;
  border-left: 3px solid var(--red);
  padding: 6px 0 6px 20px;
  color: var(--fg);
}

/* ---------- Cards (The Evening) ---------- */
.cards {
  display: grid; gap: 24px;
  grid-template-columns: repeat(3, 1fr);
  margin-bottom: 56px;
}
.card {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card__icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(220,39,66,0.08); color: var(--red); margin-bottom: 18px;
}
.card__icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 22px; margin: 0 0 8px; }
.card p { margin: 0; color: var(--fg-soft); font-size: 15px; }

/* Info row */
.info-row {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.info-row__item {
  padding: 28px 24px;
  border-right: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px;
}
.info-row__item:last-child { border-right: none; }
.info-row__label {
  text-transform: uppercase; font-size: 11px; letter-spacing: 0.16em;
  color: var(--fg-soft);
}
.info-row__value { font-family: var(--font-serif); font-size: 20px; font-weight: 700; color: var(--fg); }

/* ---------- Speaker ---------- */
.speaker__frame {
  position: relative;
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, var(--teal-800), var(--teal-700));
  border-radius: var(--radius-lg);
  display: grid; place-items: center;
  color: #fff;
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.speaker__frame::before {
  content: ""; position: absolute; inset: 12px;
  border: 1px solid rgba(255,255,255,0.18); border-radius: calc(var(--radius-lg) - 6px);
}
.speaker__initials { font-family: var(--font-serif); font-size: 110px; font-weight: 800; letter-spacing: -0.03em; }
.speaker__img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center top;
  border-radius: var(--radius-lg);
}
.speaker__badge {
  position: absolute; bottom: 18px; left: 18px;
  background: var(--red); color: #fff;
  padding: 8px 14px; border-radius: 999px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
}
.speaker__role {
  margin: 6px 0 18px; font-size: 16px; color: var(--red); font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
}
.speaker__role-note {
  display: inline-block;
  margin-left: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--fg-soft);
  font-style: italic;
}
@media (max-width: 580px) {
  .speaker__role-note { display: block; margin: 4px 0 0; }
}
#speaker p:last-of-type { color: var(--fg-soft); font-size: 17px; max-width: 560px; }

/* ---------- Video placeholder ---------- */
.video-placeholder {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(1100px 360px at 50% 0%, rgba(220,39,66,0.18), transparent 60%),
    linear-gradient(135deg, var(--teal-900), var(--teal-700));
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow-md);
}
.video-placeholder::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 70%);
}
.video-placeholder__inner {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; color: #fff; text-align: center; padding: 24px;
}
.video-placeholder__play {
  width: 84px; height: 84px; border-radius: 50%;
  background: var(--red); color: #fff; border: none; cursor: pointer;
  display: grid; place-items: center;
  box-shadow: 0 14px 40px rgba(220,39,66,0.45);
  transition: transform .2s;
}
.video-placeholder__play:hover { transform: scale(1.05); }
.video-placeholder__play svg { margin-left: 4px; }
.video-placeholder__label { font-family: var(--font-serif); font-size: 24px; font-weight: 700; margin: 0; }
.video-placeholder__sub { margin: 0; color: rgba(255,255,255,0.7); font-size: 14px; }

/* ---------- Video player ---------- */
.video-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  border: 1px solid rgba(255,255,255,0.08);
  box-shadow: var(--shadow-md);
}
.video-frame__player {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  background: #000;
}

/* ---------- Sponsorship Tiers ---------- */
.tier {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex; flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: transform .25s ease, box-shadow .25s ease;
}
.tier:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.tier__flag {
  display: inline-block;
  background: rgba(220,39,66,0.10);
  color: var(--red);
  font-size: 11px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  padding: 6px 12px; border-radius: 999px;
  margin-bottom: 14px; align-self: flex-start;
}
.tier__name { font-size: 30px; }
.tier__price {
  font-family: var(--font-serif); font-weight: 800;
  font-size: 56px; margin: 8px 0 22px; color: var(--teal-800); line-height: 1;
}
[data-theme="dark"] .tier__price { color: var(--cream); }
.tier__price span { font-size: 28px; vertical-align: top; margin-right: 4px; color: var(--red); }

.tier__list { list-style: none; margin: 0 0 22px; padding: 0; flex: 1; }
.tier__list li {
  position: relative;
  padding: 10px 0 10px 28px;
  font-size: 15px;
  color: var(--fg-soft);
  border-top: 1px solid var(--line);
}
.tier__list li:first-child { border-top: none; }
.tier__list li::before {
  content: ""; position: absolute; left: 0; top: 16px;
  width: 16px; height: 16px;
  background: var(--red);
  -webkit-mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat;
          mask: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/contain no-repeat;
}

/* Title tier wide layout */
.tier--title {
  background: linear-gradient(135deg, var(--teal-900), var(--teal-700));
  color: #fff;
  margin-bottom: 36px;
  display: grid;
  grid-template-columns: 1fr 1.3fr auto;
  align-items: center;
  gap: 40px;
  padding: 40px 44px;
  border: none;
}
.tier--title .tier__head { display: flex; flex-direction: column; }
.tier--title .tier__name { color: #fff; font-size: 38px; }
.tier--title .tier__price { color: #fff; margin: 6px 0 0; }
.tier--title .tier__price span { color: var(--red); }
.tier--title .tier__flag { background: var(--red); color: #fff; }
.tier--title .tier__list { margin: 0; }
.tier--title .tier__list li { color: rgba(255,255,255,0.88); border-color: rgba(255,255,255,0.16); }
.tier--title .btn--primary { background: #fff; color: var(--teal-900); align-self: center; }
.tier--title .btn--primary:hover { background: var(--cream); }

.tier--diamond { border: 2px solid var(--red); position: relative; }
.tier--diamond .tier__flag { background: var(--red); color: #fff; }

.tiers {
  display: grid; gap: 24px;
  grid-template-columns: repeat(4, 1fr);
  margin-bottom: 56px;
}

/* Tickets */
.tickets {
  display: grid; gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}
.ticket {
  background: var(--card);
  border: 1px solid var(--card-line);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
  display: flex; flex-direction: column; gap: 10px;
  box-shadow: var(--shadow-sm);
}
.ticket__price {
  font-family: var(--font-serif); font-size: 42px; font-weight: 800;
  color: var(--red); margin: 0; line-height: 1;
}
.ticket h4 { font-family: var(--font-serif); font-size: 22px; margin: 0; }
.ticket p { color: var(--fg-soft); font-size: 15px; margin: 0 0 8px; flex: 1; }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--teal-900), var(--teal-800));
  color: #fff;
  padding: 100px 0;
}
.cta__inner { text-align: center; max-width: 720px; margin: 0 auto; }
.cta h2 { font-family: var(--font-serif); font-size: clamp(34px, 4.4vw, 52px); margin: 0 0 16px; }
.cta p { font-size: 18px; color: rgba(255,255,255,0.78); margin: 0 0 32px; }
.cta__buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.footer { background: #0a232b; color: #c8c0b3; padding: 36px 0; }
.footer__inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: center; }
.footer__brand { font-family: var(--font-serif); font-weight: 700; color: #fff; margin: 0 0 4px; font-size: 17px; }
.footer__small { font-size: 13px; margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .nav__links { display: none; }
  .nav__burger { display: flex; }
  .nav__links.is-open {
    display: flex; flex-direction: column;
    position: absolute; top: 72px; left: 0; right: 0;
    background: var(--bg); padding: 20px 24px; gap: 18px;
    border-bottom: 1px solid var(--line);
  }
  .grid--2 { grid-template-columns: 1fr; gap: 24px; }
  .grid--speaker { grid-template-columns: 1fr; gap: 32px; }
  .speaker__photo { max-width: 320px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .info-row { grid-template-columns: repeat(2, 1fr); }
  .info-row__item:nth-child(2n) { border-right: none; }
  .info-row__item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .tiers { grid-template-columns: repeat(2, 1fr); }
  .tickets { grid-template-columns: 1fr; }
  .tier--title { grid-template-columns: 1fr; gap: 20px; padding: 32px; }
  .tier--title .btn { width: 100%; }
}
@media (max-width: 580px) {
  .section { padding: 72px 0; }
  .hero { padding: 72px 0 80px; }
  .hero__meta { grid-template-columns: 1fr; gap: 16px; }
  .cards { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 1fr; }
  .info-row__item { border-right: none; border-bottom: 1px solid var(--line); }
  .info-row__item:last-child { border-bottom: none; }
  .tiers { grid-template-columns: 1fr; }
  .nav__actions .btn { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}