:root {
  --bg: #06152e;
  --navy: #0a2147;
  --card: #102d60;
  --blue: #155dfc;
  --electric: #2878ff;
  --cyan: #30d5ff;
  --soft: #8dc4ff;
  --text: #f4f8ff;
  --muted: #a7bfdd;
  --line: #234c89;
  --spine: 92px;
  --serif: "Iowan Old Style", Palatino, "Palatino Linotype", Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
}
img { max-width: 100%; display: block; }
a { color: var(--cyan); }

.sheet {
  display: grid;
  grid-template-columns: var(--spine) 1fr;
  min-height: 100vh;
}

.spine {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  padding: 22px 10px;
  border-right: 1px solid var(--line);
  background: #041026;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.spine__mark {
  color: var(--text);
  text-decoration: none;
  font-family: var(--serif);
  font-size: 22px;
  letter-spacing: 0.08em;
}
.spine__index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.spine__index a {
  color: var(--soft);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
}
.spine__index a:hover { color: var(--cyan); }

main { min-width: 0; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(240px, 0.85fr);
  gap: 28px;
  align-items: end;
  padding: 48px 40px 36px;
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--cyan);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 12px;
}
h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(56px, 8vw, 92px);
  line-height: 0.9;
}
.hero__line {
  margin: 10px 0 0;
  color: var(--soft);
  font-size: 22px;
}
.hero__tag {
  max-width: 36ch;
  color: var(--muted);
  font-size: 18px;
}
.hero__frame {
  margin: 0;
  transform: translateY(18px);
}
.hero__frame img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  border-radius: 28px 8px 28px 8px;
  border: 1px solid var(--line);
}
.hero__frame figcaption {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.band, .rooms, .legal {
  padding: 28px 40px 48px;
}
.band__intro {
  text-align: right;
  margin-bottom: 22px;
}
.band__intro h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(32px, 4vw, 48px);
}

.cork {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 18px 22px;
  padding: 28px 18px;
  background:
    radial-gradient(circle at 20% 30%, rgba(48, 213, 255, 0.08), transparent 40%),
    var(--navy);
  border-radius: 18px;
  border: 1px solid var(--line);
}
.note {
  position: relative;
  background: #14356e;
  color: var(--text);
  padding: 22px 18px 18px;
  border-radius: 4px 14px 4px 14px;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}
.note h3 { margin: 0 0 8px; font-size: 18px; }
.note p { margin: 0; color: var(--muted); }
.note--a { transform: rotate(-1.6deg); }
.note--b { transform: rotate(1.4deg); margin-top: 26px; }
.note--c { transform: rotate(1.1deg); }
.note--d { transform: rotate(-1.2deg); margin-top: 18px; }
.pin {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 12px;
  height: 12px;
  margin-left: -6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 2px 0 #0a2147;
}

.mosaic {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  grid-template-rows: auto auto;
  gap: 12px;
}
.mosaic__lead { grid-row: 1 / span 2; }
.mosaic figure {
  margin: 0;
  background: var(--navy);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}
.mosaic img {
  width: 100%;
  height: 100%;
  max-height: 640px;
  object-fit: cover;
  object-position: top;
}
.mosaic figcaption {
  padding: 8px 12px 12px;
  color: var(--soft);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.plates {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
}
.plates img {
  height: 180px;
  width: 100%;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.tabs {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 14px;
}
.tabs__btn {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--soft);
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  cursor: pointer;
}
.tabs__btn.is-on {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}
.legal__panel {
  max-width: 68ch;
  margin-left: auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px 24px;
}
.legal__panel p { color: var(--muted); }
.legal__panel[hidden] { display: none; }

@media (max-width: 800px) {
  .sheet { grid-template-columns: 64px 1fr; }
  .spine__index a { font-size: 11px; }
  .hero, .band, .rooms, .legal { padding-left: 16px; padding-right: 16px; }
  .hero, .cork, .mosaic, .plates { grid-template-columns: 1fr; }
  .hero__frame img { height: 240px; }
  .note--b, .note--d { margin-top: 0; }
  .mosaic__lead { grid-row: auto; }
  .legal__panel { margin-left: 0; }
}