/* Home page (build/pages/home.mjs) */

:root {
  --paper: #f6f3ec;
  --paper-2: #e9e2d2;
  --card: #fbf9f4;
  --ink: #171614;
  --ink-2: #4a4640;
  --ink-3: #6b665d;
  --rule: #ddd6c8;
  --accent: #1f4fd8;
  --accent-ink: #ffffff;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --pad: clamp(1rem, 3vw, 2.25rem);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #111318;
    --paper-2: #1a1d25;
    --card: #1b1e26;
    --ink: #f1ede4;
    --ink-2: #c9c3b6;
    --ink-3: #a39d90;
    --rule: #31353f;
    --accent: #8fb0ff;
    --accent-ink: #0b1530;
    color-scheme: dark;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html, body { margin: 0; }

body {
  min-height: 100dvh;
  font-family: var(--sans);
  color: var(--ink);
  background: radial-gradient(120% 90% at 60% 55%, var(--paper) 0%, var(--paper) 45%, var(--paper-2) 100%);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

#scene { display: none; }

.intro { padding: var(--pad); max-width: 44rem; }
.intro__status {
  display: inline-flex; align-items: center; gap: 0.5rem; margin: 0 0 0.75rem;
  font: 500 0.75rem/1 var(--mono); letter-spacing: 0.02em; color: var(--ink-2);
}
.pulse { width: 0.5rem; height: 0.5rem; border-radius: 50%; background: #2e9e5b; box-shadow: 0 0 0 4px rgba(46, 158, 91, 0.18); }
.intro__name { margin: 0; font-size: clamp(2.5rem, 7vw, 5rem); font-weight: 700; letter-spacing: -0.04em; line-height: 0.95; }
.intro__tagline { margin: 0.9rem 0 0; max-width: 30rem; font-size: clamp(1.05rem, 1.9vw, 1.45rem); line-height: 1.3; letter-spacing: -0.01em; }
.intro__tagline em { font-family: var(--serif); font-style: italic; font-size: 1.12em; color: var(--accent); }
.intro__actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.25rem 0 0; }

.btn {
  display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 1.1rem;
  border: 1px solid var(--ink); border-radius: 999px;
  font-size: 0.9rem; font-weight: 600; text-decoration: none; color: var(--ink);
  background: color-mix(in srgb, var(--paper) 80%, transparent);
}
.btn:hover { background: var(--ink); color: var(--paper); }
.btn--primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn--primary:hover { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.hint, .tag { display: none; }

.lang { display: flex; gap: 2px; justify-content: flex-end; padding: var(--pad) var(--pad) 0; font: 600 0.75rem/1 var(--mono); }
.lang a { padding: 0.45rem 0.6rem; border-radius: 999px; color: var(--ink-3); text-decoration: none; }
.lang a:hover { color: var(--ink); }
.lang a[aria-current] { background: var(--ink); color: var(--paper); }
.lang-nudge .lang a:not([aria-current]) { animation: nudge 1.4s ease-in-out 1.2s 3; }
@keyframes nudge { 50% { background: var(--accent); color: var(--accent-ink); } }

/* Without the 3D scene the cards are a plain list. */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr)); gap: 1rem; padding: 0 var(--pad) var(--pad); }
.card { position: relative; padding: 1.25rem 1.35rem 1.35rem; border: 1px solid var(--rule); border-radius: 18px; background: var(--card); }
.card__eyebrow { margin: 0 0 0.6rem; font: 500 0.7rem/1.3 var(--mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.card__title { margin: 0; font-size: 1.3rem; line-height: 1.15; letter-spacing: -0.02em; }
.card__text { margin: 0.7rem 0 0; font-size: 0.95rem; color: var(--ink-2); }
.card__link { margin: 0.9rem 0 0; font-weight: 600; font-size: 0.95rem; }
.card__link a { color: var(--accent); text-decoration: none; }
.card__link a:hover { text-decoration: underline; }
.card__small { margin: 1rem 0 0; padding-top: 0.8rem; border-top: 1px solid var(--rule); font-size: 0.72rem; line-height: 1.45; color: var(--ink-3); }
.card__close { display: none; }

.legal { padding: 0 var(--pad) var(--pad); font: 500 0.68rem/1.4 var(--mono); color: var(--ink-3); }

/* 3D mode */
/* Top right, on the same line as the status: the legal line, then the language switch. */
.sandbox .lang { position: fixed; z-index: 3; top: calc(var(--pad) - 0.1rem); right: var(--pad); padding: 0; }
.sandbox .intro, .sandbox .cards, .sandbox .dock__chips, .sandbox .legal { transition: opacity 0.16s; }
.sandbox .is-swapping .intro, .sandbox .is-swapping .cards, .sandbox .is-swapping .dock__chips, .sandbox .is-swapping .legal { opacity: 0; }
.sandbox .legal { position: fixed; z-index: 1; right: calc(var(--pad) + 6rem); top: calc(var(--pad) + 0.45rem); padding: 0; font-size: 0.75rem; line-height: 1; color: var(--ink-2); pointer-events: none; }
.sandbox, .sandbox body { height: 100%; overflow: hidden; }
.sandbox body { overscroll-behavior: none; }
.sandbox #scene { display: block; position: fixed; inset: 0; width: 100%; height: 100%; touch-action: none; cursor: grab; }
.sandbox #scene.is-over { cursor: pointer; }
.sandbox #scene.is-held { cursor: grabbing; }
.sandbox .intro { position: fixed; top: 0; left: 0; z-index: 2; pointer-events: none; }
.sandbox .intro a { pointer-events: auto; }

.sandbox .hint {
  display: block; position: fixed; z-index: 2; left: 50%; bottom: 5.25rem; transform: translateX(-50%);
  margin: 0; padding: 0.5rem 0.9rem; width: max-content; max-width: calc(100vw - 2rem); text-align: center;
  font: 500 0.75rem/1.35 var(--mono); color: var(--ink-2);
  background: color-mix(in srgb, var(--card) 85%, transparent); border: 1px solid var(--rule); border-radius: 999px;
  pointer-events: none; transition: opacity 0.6s;
}
.sandbox .hint.is-gone { opacity: 0; }

.sandbox .tag {
  display: block; position: fixed; z-index: 2; top: 0; left: 0; padding: 0.3rem 0.6rem;
  font: 600 0.7rem/1 var(--mono); letter-spacing: 0.04em; text-transform: uppercase; white-space: nowrap;
  color: var(--paper); background: var(--ink); border-radius: 999px;
  pointer-events: none; opacity: 0; transition: opacity 0.15s; will-change: transform;
}
.sandbox .tag.is-on { opacity: 1; }

/* The open card sits next to its toy; app.js sets left/top. */
.sandbox .cards { display: block; position: fixed; z-index: 3; top: 0; left: 0; width: 0; height: 0; padding: 0; pointer-events: none; }
.sandbox .card { display: none; position: absolute; width: min(21rem, calc(100vw - 2rem)); pointer-events: auto; padding-right: 3rem; box-shadow: 0 24px 60px -24px rgba(40, 25, 10, 0.45); animation: card-in 0.28s cubic-bezier(0.2, 0.9, 0.3, 1.2); }
.sandbox .card.is-open { display: block; }
.sandbox .card__close {
  display: grid; place-items: center; position: absolute; top: 0.6rem; right: 0.6rem; width: 2.25rem; height: 2.25rem;
  border: 0; border-radius: 50%; background: transparent; color: var(--ink-2); font-size: 1.4rem; line-height: 1; cursor: pointer;
}
.sandbox .card__close:hover { background: var(--rule); color: var(--ink); }
@keyframes card-in { from { opacity: 0; transform: translateY(10px) scale(0.97); } }

.dock {
  position: fixed; z-index: 3; left: 0; right: 0; bottom: 0; display: flex; align-items: center; gap: 0.75rem;
  padding: 0.75rem var(--pad) calc(0.9rem + env(safe-area-inset-bottom)); overflow-x: auto; scrollbar-width: none;
}
.dock[hidden] { display: none; }
.dock::-webkit-scrollbar { display: none; }
.dock__tools { display: flex; gap: 0.4rem; padding-right: 0.75rem; border-right: 1px solid var(--rule); }
.dock__chips { display: flex; gap: 0.4rem; margin: 0; padding: 0; list-style: none; }
.dock button {
  min-height: 2.5rem; padding: 0 0.9rem; border: 1px solid var(--rule); border-radius: 999px;
  font: 600 0.8rem/1 var(--sans); white-space: nowrap; color: var(--ink);
  background: color-mix(in srgb, var(--card) 88%, transparent); cursor: pointer;
}
.dock button:hover { border-color: var(--ink); }
.dock button[aria-pressed='true'], .dock button.is-current { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.dock__tools button { font-family: var(--mono); font-weight: 500; font-size: 0.72rem; }

@media (max-width: 720px) {
  .sandbox .cards { top: auto; left: var(--pad); right: var(--pad); bottom: 4.6rem; width: auto; height: auto; }
  .sandbox .card { position: static; width: auto; }
  .sandbox .hint { bottom: 6.2rem; border-radius: 14px; }
  .sandbox .legal { top: auto; right: var(--pad); bottom: 4.5rem; font-size: 0.68rem; color: var(--ink-3); }
  .sandbox .lang { top: calc(var(--pad) - 0.55rem); }
  .intro__status { max-width: calc(100% - 5.5rem); }
  .intro__actions .btn { min-height: 2.5rem; padding: 0 0.9rem; font-size: 0.82rem; }
}

@media (prefers-reduced-motion: reduce) {
  .sandbox .card { animation: none; }
  .lang-nudge .lang a:not([aria-current]) { animation: none; }
  .sandbox .hint, .sandbox .tag { transition: none; }
}