:root {
  --bg: #faf6ef;
  --surface: #ffffff;
  --ink: #241a3a;
  --muted: #6d6580;
  --line: #ece5f3;
  --plum: #3b1f6e;
  --violet: #7b4fd6;
  --cyan: #12b6c9;
  --cyan-soft: #e3f8fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15111f;
    --surface: #1e1830;
    --ink: #f1ecfa;
    --muted: #a99fbd;
    --line: #2e2645;
    --plum: #c6b2f5;
    --violet: #a587ef;
    --cyan: #3fd3e3;
    --cyan-soft: #10313a;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--violet); }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }

/* Header + menu */
header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.bar { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; font-size: 1.3rem; color: var(--plum); }
.logo img { width: 38px; height: 38px; object-fit: contain; }
.logo span { color: var(--cyan); }
nav ul { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
nav a {
  display: block; padding: 8px 14px; border-radius: 999px;
  text-decoration: none; color: var(--ink); font-weight: 700; font-size: 0.95rem;
}
nav a:hover, nav a[aria-current="page"] { background: var(--cyan-soft); color: var(--plum); }
.menu-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; padding: 8px 12px; color: var(--ink); font: inherit; font-weight: 700; }
@media (max-width: 640px) {
  .menu-toggle { display: block; }
  nav ul { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
  nav.open ul { display: flex; }
}

/* Hero */
.hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; padding: 72px 0 56px; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 3.6rem); line-height: 1.08; margin: 0 0 16px; letter-spacing: -0.02em; color: var(--plum); }
.hero h1 em { font-style: normal; color: var(--cyan); }
.hero p { font-size: 1.15rem; color: var(--muted); margin: 0 0 24px; max-width: 34ch; }
.hero img { width: 100%; max-width: 360px; justify-self: center; filter: drop-shadow(0 18px 30px rgba(59, 31, 110, 0.18)); }
.btn { display: inline-block; padding: 12px 22px; border-radius: 999px; background: var(--plum); color: #fff; text-decoration: none; font-weight: 800; }
.btn.ghost { background: transparent; color: var(--plum); border: 2px solid var(--line); margin-left: 8px; }
@media (prefers-color-scheme: dark) { .btn { color: #15111f; } }
@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; text-align: center; }
  .hero p { margin-inline: auto; }
  .hero img { max-width: 220px; grid-row: 1; }
}

/* Sections */
section { padding: 48px 0; }
h2 { font-size: 1.8rem; margin: 0 0 8px; color: var(--plum); }
.lede { color: var(--muted); margin: 0 0 28px; max-width: 60ch; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); }
.dot { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: var(--cyan-soft); color: var(--cyan); font-size: 1.2rem; margin-bottom: 12px; }
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 8px 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 20px; padding: 22px; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; font-weight: 700; }

/* Document pages */
.doc { max-width: 720px; padding: 48px 0 24px; }
.doc h1 { font-size: 2.2rem; color: var(--plum); margin: 0 0 4px; }
.doc .updated { color: var(--muted); margin: 0 0 28px; }
.doc h2 { font-size: 1.25rem; margin: 28px 0 6px; }
.doc p, .doc li { color: var(--ink); }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 14px 18px; margin: 0 0 10px; }
summary { font-weight: 800; cursor: pointer; }
details p { margin: 8px 0 0; color: var(--muted); }

/* Footer */
footer { border-top: 1px solid var(--line); margin-top: 48px; padding: 32px 0 40px; color: var(--muted); }
.foot { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
.foot nav a { padding: 4px 8px; font-weight: 600; color: var(--muted); }
.care { text-align: center; font-weight: 800; margin-top: 24px; }

/* ---- Fun & colour (2026-09-30) ---- */
.hero-band {
  position: relative; overflow: hidden;
  background:
    radial-gradient(circle at 15% 20%, rgba(18,182,201,.35), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(123,79,214,.45), transparent 45%),
    linear-gradient(135deg, #2a1557 0%, #4a2496 55%, #1c7f9c 100%);
  color: #fff;
}
.hero-band .hero h1 { color: #fff; }
.hero-band .hero h1 em { color: #6ff0ff; }
.hero-band .hero p { color: #e4dcff; }
.hero-band .btn { background: #6ff0ff; color: #2a1557; }
.hero-band .btn.ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.hero-band .hero img { filter: drop-shadow(0 20px 40px rgba(0,0,0,.35)); animation: bob 4s ease-in-out infinite; }
.bubble { position: absolute; border-radius: 50%; background: radial-gradient(circle at 30% 30%, #ffffff, #6ff0ff 35%, #12b6c9 70%); opacity: .75; animation: float 9s ease-in-out infinite; pointer-events: none; }
.bubble.v { background: radial-gradient(circle at 30% 30%, #ffffff, #c9b2ff 35%, #7b4fd6 70%); }
.spark { position: absolute; color: #c9b2ff; font-size: 28px; animation: twinkle 3s ease-in-out infinite; pointer-events: none; }
.wave { display: block; width: 100%; height: 48px; margin-top: -1px; }
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-24px); } }
@keyframes twinkle { 0%,100% { opacity: .3; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.15); } }
@media (prefers-reduced-motion: reduce) { .hero-band .hero img, .bubble, .spark { animation: none; } }

.card { position: relative; overflow: hidden; border: none; color: #fff; box-shadow: 0 10px 24px rgba(59,31,110,.15); transition: transform .2s; }
.card:hover { transform: translateY(-4px) rotate(-.5deg); }
.card p { color: rgba(255,255,255,.88); }
.card .dot { background: rgba(255,255,255,.22); color: #fff; }
.card.c1 { background: linear-gradient(135deg, #7b4fd6, #4a2496); }
.card.c2 { background: linear-gradient(135deg, #12b6c9, #1c7f9c); }
.card.c3 { background: linear-gradient(135deg, #ff8a5c, #e2557a); }
.facts { border: 2px dashed #c9b2ff; }
h2 { display: inline-block; background: linear-gradient(90deg, var(--plum), var(--violet), var(--cyan)); -webkit-background-clip: text; background-clip: text; color: transparent; }
footer { background: linear-gradient(135deg, #2a1557, #4a2496); color: #d9cff5; border: none; }
footer a, .foot nav a { color: #6ff0ff; }
.care { color: #fff; }