:root {
  --ink: #243038;
  --mute: #667687;
  --paper: #f7f4ee;
  --sky: #6f98b3;
  --sky-deep: #3f6f8c;
  --line: rgba(36, 48, 56, 0.12);
  --serif: "Libre Baskerville", Georgia, serif;
  --sans: "Nunito Sans", "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  background:
    radial-gradient(900px 420px at 100% 0%, rgba(111, 152, 179, 0.18), transparent 55%),
    var(--paper);
  line-height: 1.55;
}
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; object-fit: cover; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 5vw; position: sticky; top: 0; z-index: 20;
  background: rgba(247, 244, 238, 0.9); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.logo { font-family: var(--serif); font-size: 1.2rem; text-decoration: none; font-weight: 700; }
.top nav { display: flex; gap: 1.1rem; flex-wrap: wrap; }
.top nav a { text-decoration: none; font-weight: 600; font-size: 0.9rem; color: var(--mute); }

.mast {
  text-align: center; padding: clamp(2.5rem, 7vw, 4rem) 5vw 1.5rem;
  max-width: 44rem; margin: 0 auto; animation: rise .8s ease both;
}
.eyebrow {
  font-size: .78rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase;
  color: var(--sky-deep); margin: 0 0 1rem;
}
.mast h1 {
  font-family: var(--serif); font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1.1; margin: 0 0 1rem;
}
.deck { color: var(--mute); font-size: 1.12rem; margin: 0; }

.bleed { margin: 0 5vw; }
.bleed img { width: 100%; aspect-ratio: 16/9; object-fit: cover; animation: wash 1s ease both; }

.pull {
  margin: 2rem auto; max-width: 34rem; padding: 0 5vw;
  font-family: var(--serif); font-style: italic; font-size: clamp(1.3rem, 2.5vw, 1.7rem);
  color: var(--sky-deep); text-align: center; border: 0;
}

.practice, .kit, .letter { padding: clamp(2.5rem, 6vw, 4rem) 5vw; }
.practice header, .kit header { max-width: 34rem; margin-bottom: 1.5rem; }
.practice h2, .paper-copy h2, .kit h2, .class-box h2, .letter h2 {
  font-family: var(--serif); font-size: clamp(1.8rem, 3.2vw, 2.5rem); margin: 0 0 .6rem;
}
.practice p, .kit header p, .letter p { margin: 0; color: var(--mute); }

.wall {
  display: grid; grid-template-columns: 1.1fr 1fr 1fr; grid-auto-rows: minmax(180px, auto);
  gap: .9rem;
}
.wall article { background: #fff; border: 1px solid var(--line); }
.wall img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.wall h3 { font-family: var(--serif); font-size: 1.15rem; margin: .8rem 1rem .35rem; }
.wall p { margin: 0 1rem 1rem; color: var(--mute); font-size: .95rem; }
.wall .tall { grid-row: span 2; }
.wall .tall img { aspect-ratio: 3/4; height: auto; min-height: 100%; }
.wall .wide {
  grid-column: 2 / span 2; display: grid; grid-template-columns: 1.1fr 1fr; align-items: center; gap: 0;
}
.wall .wide img { aspect-ratio: 4/3; }
.wall .wide div { padding: 1rem 1.2rem; }

.paper {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: 0; background: #eef3f6;
  border-block: 1px solid var(--line);
}
.paper-copy { padding: clamp(2rem, 5vw, 3.5rem) 5vw; display: flex; flex-direction: column; justify-content: center; }
.paper ul { list-style: none; padding: 0; margin: 0; }
.paper li { padding: .7rem 0; border-bottom: 1px solid var(--line); color: var(--mute); }
.paper li strong { color: var(--ink); }
.paper > img { width: 100%; height: 100%; min-height: 380px; object-fit: cover; }

.kit-row { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 1rem; }
.kit-row article { background: #fff; border: 1px solid var(--line); }
.kit-row img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.kit-row h3 { font-family: var(--serif); margin: .85rem 1rem .35rem; font-size: 1.15rem; }
.kit-row p { margin: 0 1rem 1rem; color: var(--mute); }
.palette-banner { margin-top: 1rem; width: 100%; aspect-ratio: 21/7; object-fit: cover; }

.class { position: relative; min-height: 64vh; display: grid; align-items: end; }
.class > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.class-box {
  position: relative; z-index: 1; margin: 5vw; max-width: 26rem;
  background: rgba(247,244,238,.95); padding: 1.4rem; border: 1px solid var(--line);
}
.class-box p { color: var(--mute); margin: 0 0 1rem; }
.btn {
  display: inline-flex; align-items: center; padding: .85rem 1.15rem;
  background: var(--sky-deep); color: #fff; text-decoration: none; font-weight: 700; font-size: .92rem;
}

.letter { background: var(--ink); color: #eef3f6; }
.letter p { color: rgba(238,243,246,.75); }
.letter form { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; max-width: 32rem; }
.letter input { flex: 1 1 200px; border: 0; padding: .85rem 1rem; font: inherit; }
.letter button { border: 0; background: var(--sky); color: #fff; font-weight: 700; padding: .85rem 1.2rem; cursor: pointer; }
.form-note { flex: 1 1 100%; font-size: .85rem; margin: .25rem 0 0 !important; }
.form-note a { color: #fff; }

.foot { padding: 2rem 5vw 2.5rem; border-top: 1px solid var(--line); }
.foot strong { font-family: var(--serif); font-size: 1.2rem; }
.foot p { color: var(--mute); }
.footer-legal { display: flex; flex-wrap: wrap; gap: .7rem 1.1rem; margin: 1rem 0; }
.footer-legal a { text-decoration: none; color: var(--mute); font-size: .9rem; }
.fine { font-size: .85rem; }

.cookie-banner {
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem; z-index: 50;
  max-width: 36rem; margin: 0 auto; padding: 1rem 1.1rem;
  background: #111; color: #f5f5f5; box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.cookie-banner a { color: #fff; }
.cookie-banner p { margin: 0 0 .8rem; font-size: .92rem; line-height: 1.45; color: inherit; }
.cookie-actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.cookie-btn { border: 0; padding: .65rem 1rem; cursor: pointer; font-weight: 600; background: #fff; color: #111; }
.cookie-btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.45); }

@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
@keyframes wash { from { opacity: 0; transform: scale(1.03); } to { opacity: 1; transform: none; } }

@media (max-width: 900px) {
  .top nav { display: none; }
  .wall, .wall .wide, .paper, .kit-row { grid-template-columns: 1fr; }
  .wall .tall, .wall .wide { grid-column: auto; grid-row: auto; }
  .wall .tall img { aspect-ratio: 4/3; }
  .paper > img { min-height: 260px; }
  .class { min-height: 55vh; }
}