/* Plateau site. Dusk palette from the app icon; system type (no web fonts, no third-party requests). */
:root {
  --sky-top: #16162e;
  --sky-mid: #342450;
  --ember: #f58a2a;
  --ember-deep: #d2641f;
  --mesa: #461a1c;
  --ink: #f6f3f1;
  --ink-2: #cfc6cf;
  --ink-3: #9a90a3;
  --line: rgba(255, 255, 255, 0.12);
  --card: rgba(255, 255, 255, 0.06);
  --display: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  --text: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--sky-top);
  background-image: linear-gradient(180deg, var(--sky-top) 0%, var(--sky-mid) 42%, #5a2c4a 70%, var(--mesa) 100%);
  background-attachment: fixed;
  color: var(--ink);
  font: 17px/1.6 var(--text);
  min-height: 100vh;
}
a { color: var(--ember); text-underline-offset: 3px; }
a:hover { color: #ffb06a; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 6px; }
img { max-width: 100%; height: auto; display: block; }

.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding-left: max(20px, env(safe-area-inset-left, 0px));
  padding-right: max(20px, env(safe-area-inset-right, 0px));
}

/* Top bar */
.bar { padding-block: 22px; }
.bar .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 600; letter-spacing: -0.01em; }
.brand img { width: 30px; height: 30px; }
.nav { display: flex; gap: 22px; font-size: 15px; }
.nav a { color: var(--ink-2); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }

/* Home hero */
.hero { padding-block: 48px 24px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 22px; }
.hero .icon { width: 140px; height: 140px; filter: drop-shadow(0 18px 30px rgba(0, 0, 0, 0.45)); }
h1 { font-family: var(--display); font-size: clamp(40px, 7vw, 72px); line-height: 1.02; letter-spacing: -0.035em; margin: 0; text-wrap: balance; }
.lede { font-size: clamp(18px, 2.2vw, 22px); color: var(--ink-2); max-width: 34em; margin: 0; text-wrap: balance; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px; font-weight: 600; font-size: 16px; text-decoration: none; }
.btn.primary { background: var(--ember); color: #1d0f05; }
.btn.primary:hover { background: #ffa04a; color: #1d0f05; }
.btn.ghost { border: 1px solid var(--line); color: var(--ink); }
.note { font-size: 14px; color: var(--ink-3); margin: 0; }

.shot { margin-block: 36px 12px; border-radius: 18px; overflow: hidden; box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5); border: 1px solid var(--line); }

/* Features */
.features { padding-block: 56px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 28px 36px; }
.feature h3 { font-family: var(--display); font-size: 19px; margin: 0 0 6px; letter-spacing: -0.01em; }
.feature p { margin: 0; color: var(--ink-2); font-size: 16px; }
.feature .k { display: block; font: 500 12px/1 var(--mono); color: var(--ember); margin-bottom: 10px; letter-spacing: 0.04em; }

.pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; padding-bottom: 40px; }
.pair figure { margin: 0; display: flex; flex-direction: column; gap: 10px; }
.pair img { border-radius: 14px; border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(0, 0, 0, 0.4); }
.pair figcaption { color: var(--ink-3); font-size: 14px; }

/* Text pages */
.doc { padding-block: 40px 72px; max-width: 720px; }
.doc h1 { font-size: clamp(34px, 5vw, 48px); margin-bottom: 10px; }
.doc .meta { color: var(--ink-3); font-size: 15px; margin: 0 0 32px; }
.doc h2 { font-family: var(--display); font-size: 22px; letter-spacing: -0.01em; margin: 40px 0 10px; }
.doc p, .doc li { color: var(--ink-2); }
.doc ul { padding-left: 22px; }
.doc strong { color: var(--ink); }

.contact { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.contact .addr { font: 600 19px/1.2 var(--text); color: var(--ink); user-select: all; word-break: break-all; }
.contact .sub { color: var(--ink-3); font-size: 14px; margin-top: 4px; }

details { border-bottom: 1px solid var(--line); padding-block: 14px; }
details:first-of-type { border-top: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--ember); font-weight: 400; font-size: 22px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { margin: 10px 0 0; }
kbd { font: 13px var(--mono); background: var(--card); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }

footer { border-top: 1px solid var(--line); padding-block: 28px 40px; font-size: 14px; color: var(--ink-3); }
footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
footer a { color: var(--ink-2); text-decoration: none; }
footer nav { display: flex; gap: 18px; }

@media (prefers-reduced-motion: no-preference) {
  .btn, .nav a { transition: color 0.15s ease, background-color 0.15s ease; }
}