/* Somnus site. Layout: one centred column of wide bands; each band pairs copy with real
   screenshots or a live demo, alternating sides. Dark-first to match the launcher's Midnight theme. */
:root {
  color-scheme: dark;
  --night: #07070b;
  --surface: #101016;
  --surface-2: #17171f;
  --line: #262433;
  --text: #eeeaf7;
  --muted: #8d88a3;
  --violet: #a77bff;
  --deep: #6d28d9;
  --good: #3ecf8e;

  --display: 'Bricolage Grotesque', 'Segoe UI', system-ui, sans-serif;
  --body: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, 'Cascadia Mono', monospace;

  --radius: 14px;
  --wrap: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--night);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--violet); text-decoration-thickness: 1px; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 6px; }
h1, h2, h3 { font-family: var(--display); line-height: 1.08; letter-spacing: -0.02em; text-wrap: balance; margin: 0; }
p { margin: 0; }

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

/* ---------- nav ---------- */
.nav {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: color-mix(in srgb, var(--night) 82%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 21; background: var(--night); }
.nav .wrap { display: flex; align-items: center; gap: 24px; padding-block: 14px; }
.wordmark { font-family: var(--display); font-weight: 800; letter-spacing: 0.14em; font-size: 15px; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.wordmark span { color: var(--violet); }
.wordmark .moon { width: 20px; height: 20px; border-radius: 50%; box-shadow: inset -6px -2px 0 0 var(--violet); flex: none; }
.nav-links { display: flex; gap: 22px; margin-left: auto; font-size: 14px; }
.nav-links a { color: var(--muted); text-decoration: none; }
.nav-links a:hover { color: var(--text); }
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 12px 20px; border-radius: 12px; font-weight: 600; font-size: 15px;
  text-decoration: none; border: 1px solid var(--line); color: var(--text); background: var(--surface-2); cursor: pointer; transition: transform .12s, filter .12s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(135deg, var(--violet), var(--deep)); border-color: transparent; color: #fff; box-shadow: 0 10px 34px color-mix(in srgb, var(--deep) 45%, transparent); }
.btn.small { padding: 8px 14px; font-size: 14px; border-radius: 10px; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: .7; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 56px; align-items: center; padding-block: 88px 72px; }
.eyebrow { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.hero h1 { font-size: clamp(42px, 6vw, 74px); font-weight: 800; margin-top: 16px; }
.rotator { display: inline-grid; vertical-align: bottom; color: var(--violet); }
.rotator > span { grid-area: 1 / 1; white-space: nowrap; transition: opacity .35s ease, transform .35s ease; }
.rotator > span[aria-hidden="true"] { opacity: 0; transform: translateY(0.35em); }
.rotator > span.leaving { opacity: 0; transform: translateY(-0.35em); }
.lede { font-size: 18.5px; color: var(--muted); max-width: 32em; margin-top: 22px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.facts { display: flex; flex-wrap: wrap; gap: 8px 18px; margin-top: 26px; font-family: var(--mono); font-size: 12.5px; color: var(--muted); }
.facts span::before { content: "●"; color: var(--violet); margin-right: 7px; font-size: 9px; vertical-align: 2px; }

.shot { border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; background: var(--surface); box-shadow: 0 30px 80px -20px rgb(0 0 0 / .7); }
.hero-visual { position: relative; }
.hero-visual .glow { position: absolute; inset: 10% -6% -12% 6%; background: radial-gradient(closest-side, color-mix(in srgb, var(--deep) 55%, transparent), transparent); filter: blur(30px); z-index: 0; }
.hero-visual .shot { position: relative; z-index: 1; }
.hero-visual .inset { position: absolute; z-index: 2; width: 46%; right: -4%; bottom: -14%; }
.keycap {
  position: absolute; z-index: 3; left: -18px; bottom: -22px; font-family: var(--mono); font-size: 13px; font-weight: 600;
  padding: 10px 16px 12px; border-radius: 10px; background: var(--surface-2); border: 1px solid var(--line);
  box-shadow: 0 4px 0 0 var(--line), 0 14px 30px rgb(0 0 0 / .5); color: var(--text);
}
.keycap small { display: block; font-family: var(--body); font-weight: 500; color: var(--muted); font-size: 11.5px; margin-top: 2px; }

/* ---------- bands ---------- */
.band { padding-block: 96px; border-top: 1px solid color-mix(in srgb, var(--line) 60%, transparent); }
.band .wrap { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.band.flip .copy { order: 2; }
.band h2 { font-size: clamp(32px, 4vw, 46px); font-weight: 800; }
.band .copy p { color: var(--muted); margin-top: 18px; max-width: 34em; }
.label { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--violet); margin-bottom: 14px; display: block; }
.ticks { list-style: none; padding: 0; margin: 24px 0 0; display: grid; gap: 10px; }
.ticks li { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 8px; color: var(--text); }
.ticks li::before { content: ""; width: 9px; height: 9px; border-radius: 3px; margin-top: 8px; background: linear-gradient(135deg, var(--violet), var(--deep)); }
.ticks li span { color: var(--muted); }

/* ---------- theme demo ---------- */
.demo { --d-bg: #0a0a0f; --d-side: #050508; --d-panel: #121218; --d-line: #272631; --d-text: #ece9f5; --d-muted: #8b879c; --d-a: #a77bff; --d-b: #6d28d9; --d-r: 10px; }
.demo-frame { border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; box-shadow: 0 30px 80px -20px rgb(0 0 0 / .7); transition: background .3s; }
.mock { display: grid; grid-template-columns: 112px minmax(0, 1fr); min-height: 300px; background: var(--d-bg); color: var(--d-text); font-size: 12px; transition: background .3s, color .3s; }
.mock-side { background: var(--d-side); border-right: 1px solid var(--d-line); padding: 14px 8px; display: grid; align-content: start; gap: 4px; transition: background .3s; }
.mock-brand { font-family: var(--display); font-weight: 800; letter-spacing: 0.12em; font-size: 9.5px; padding: 0 6px 10px; }
.mock-brand b { color: var(--d-a); }
.mock-nav { padding: 6px 8px; border-radius: calc(var(--d-r) - 3px); color: var(--d-muted); }
.mock-nav.on { color: var(--d-text); background: color-mix(in srgb, var(--d-a) 18%, transparent); box-shadow: inset 2px 0 0 var(--d-a); }
.mock-main { padding: 16px; display: grid; gap: 12px; align-content: start; }
.mock-hero { border: 1px solid var(--d-line); border-radius: var(--d-r); padding: 16px; background: radial-gradient(160% 120% at 100% 0%, color-mix(in srgb, var(--d-a) 40%, transparent), transparent 55%), radial-gradient(120% 120% at 0% 100%, color-mix(in srgb, var(--d-b) 35%, transparent), transparent 55%), var(--d-panel); transition: background .3s, border-radius .2s; }
.mock-hero .t { font-family: var(--display); font-weight: 800; font-size: 18px; }
.mock-hero .s { color: var(--d-muted); margin: 2px 0 12px; }
.mock-play { display: inline-block; padding: 8px 18px; font-weight: 800; letter-spacing: 0.06em; color: #fff; border-radius: var(--d-r); background: linear-gradient(135deg, var(--d-a), var(--d-b)); box-shadow: 0 6px 18px color-mix(in srgb, var(--d-a) 40%, transparent); transition: border-radius .2s; }
.mock-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mock-card { border: 1px solid var(--d-line); border-radius: var(--d-r); padding: 10px; background: var(--d-panel); display: flex; gap: 8px; align-items: center; transition: background .3s, border-radius .2s; }
.mock-card i { width: 22px; height: 22px; border-radius: calc(var(--d-r) - 3px); background: color-mix(in srgb, var(--d-a) 25%, transparent); flex: none; }
.mock-card small { color: var(--d-muted); display: block; font-size: 10.5px; }
.demo-controls { display: grid; gap: 14px; margin-top: 18px; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; }
.preset { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px 7px 9px; border-radius: 99px; border: 1px solid var(--line); background: var(--surface); color: var(--text); cursor: pointer; font: inherit; font-size: 13.5px; }
.preset[aria-pressed="true"] { border-color: var(--violet); background: color-mix(in srgb, var(--violet) 14%, var(--surface)); }
.preset .sw { width: 16px; height: 16px; border-radius: 50%; background: linear-gradient(135deg, var(--a), var(--b)); }
.own { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; font-size: 13.5px; color: var(--muted); }
.own label { display: inline-flex; align-items: center; gap: 8px; }
.own input[type="color"] { width: 34px; height: 28px; border: 1px solid var(--line); border-radius: 8px; background: none; padding: 2px; cursor: pointer; }
.own input[type="range"] { accent-color: var(--violet); width: 120px; }

/* ---------- performance spec ---------- */
.spec { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.spec-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.spec-head b { font-family: var(--display); font-size: 17px; }
.spec-head span { font-family: var(--mono); font-size: 12px; color: var(--muted); }
.spec-row { display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 14px; padding: 11px 18px; border-bottom: 1px solid color-mix(in srgb, var(--line) 60%, transparent); font-size: 14.5px; }
.spec-row:last-child { border-bottom: 0; }
.spec-row b { font-weight: 600; }
.spec-row span { color: var(--muted); }
.meter { margin-top: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 16px 18px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.meter div { display: grid; gap: 2px; }
.meter small { font-family: var(--mono); font-size: 11.5px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.meter b { font-family: var(--display); font-size: 17px; }

/* ---------- mods illustration ---------- */
.modlist { display: grid; gap: 6px; }
.gbar { display: flex; align-items: center; gap: 10px; padding: 8px 12px; border-radius: 10px; color: #121212; font-weight: 700; font-size: 14px; }
.gbar small { font-weight: 600; opacity: .7; font-size: 12px; }
.gbar .sw-on { margin-left: auto; width: 30px; height: 17px; border-radius: 99px; background: rgb(0 0 0 / .5); position: relative; }
.gbar .sw-on::after { content: ""; position: absolute; right: 2px; top: 2px; width: 13px; height: 13px; border-radius: 50%; background: #fff; }
.mcard { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--line); font-size: 14px; }
.mcard i { width: 24px; height: 24px; border-radius: 6px; background: var(--surface-2); flex: none; }
.mcard .tg { margin-left: auto; width: 30px; height: 17px; border-radius: 99px; background: var(--violet); position: relative; }
.mcard .tg::after { content: ""; position: absolute; right: 2px; top: 2px; width: 13px; height: 13px; border-radius: 50%; background: #fff; }
.modlist .gap { height: 8px; }

/* ---------- download ---------- */
.download .wrap { display: block; }
.dl-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 36px; }
.dl { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 22px; display: grid; gap: 10px; align-content: start; }
.dl h3 { font-size: 21px; }
.dl p { color: var(--muted); font-size: 14.5px; }
.dl .status { font-family: var(--mono); font-size: 12px; color: var(--violet); }
.dl.main { border-color: color-mix(in srgb, var(--violet) 55%, var(--line)); background: linear-gradient(160deg, color-mix(in srgb, var(--deep) 18%, var(--surface)), var(--surface) 60%); }

/* ---------- faq ---------- */
.faq .wrap { display: block; }
.faq-list { margin-top: 30px; display: grid; gap: 10px; max-width: 820px; }
details { border: 1px solid var(--line); border-radius: 12px; background: var(--surface); padding: 2px 18px; }
summary { cursor: pointer; padding: 14px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--violet); font-family: var(--mono); }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); padding-bottom: 16px; max-width: 65ch; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding-block: 40px; color: var(--muted); font-size: 14px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 32px; align-items: flex-start; justify-content: space-between; }
footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
footer nav a { color: var(--muted); text-decoration: none; }
footer nav a:hover { color: var(--text); }
.legal { flex-basis: 100%; font-size: 12.5px; }
.mail { font-family: var(--mono); color: var(--text); user-select: all; }

/* ---------- text pages (privacy, changelog) ---------- */
.doc { max-width: 760px; margin: 0 auto; padding-block: 64px 96px; padding-left: max(20px, env(safe-area-inset-left, 0px)); padding-right: max(20px, env(safe-area-inset-right, 0px)); }
.doc h1 { font-size: clamp(36px, 5vw, 52px); font-weight: 800; }
.doc .meta { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: 12px; }
.doc h2 { font-size: 24px; margin-top: 44px; }
.doc h3 { font-size: 18px; margin-top: 26px; font-family: var(--body); letter-spacing: 0; }
.doc p, .doc li { color: color-mix(in srgb, var(--text) 82%, var(--muted)); }
.doc p { margin-top: 14px; }
.doc ul { padding-left: 20px; margin: 12px 0 0; display: grid; gap: 7px; }
.doc table { width: 100%; border-collapse: collapse; margin-top: 16px; font-size: 14.5px; }
.doc th, .doc td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { font-family: var(--mono); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.table-scroll { overflow-x: auto; }
.release { border-left: 2px solid var(--violet); padding-left: 22px; margin-top: 44px; }
.release h2 { margin-top: 0; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.release h2 small { font-family: var(--mono); font-size: 13px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.tag { font-family: var(--mono); font-size: 11.5px; padding: 3px 9px; border-radius: 99px; background: color-mix(in srgb, var(--violet) 18%, transparent); color: var(--violet); }

/* ---------- responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap, .band .wrap { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .band.flip .copy { order: 0; }
  .hero .wrap { padding-block: 56px 72px; }
  .dl-grid { grid-template-columns: minmax(0, 1fr); }
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 520px) {
  .hero-visual .inset { display: none; }
  .keycap { left: 8px; }
  .spec-row { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .mock { grid-template-columns: minmax(0, 1fr); }
  .mock-side { display: none; }
  .meter { grid-template-columns: minmax(0, 1fr); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rotator > span, .mock, .mock-hero, .mock-card, .mock-play { transition: none; }
}