/* Arcana's website: the look of occlusion.app and its other app pages. */
:root {
  --bg: #0f1115; --panel: #171a21; --line: #262b35; --text: #e8eaef; --muted: #9aa3b2;
  --accent: #9b7cff; --accent-2: #f2b84b; --max: 1120px;
}
@media (prefers-color-scheme: light) {
  :root { --bg: #fbfbfd; --panel: #ffffff; --line: #e4e6ec; --text: #15171c; --muted: #5d6573; --accent: #6a4dff; --accent-2: #c7860f; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

nav { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); }
.brand:hover { text-decoration: none; }
nav .links { display: flex; gap: 22px; font-size: 15px; }
nav .links a { color: var(--muted); }

header.hero { text-align: center; padding: 48px 0 16px; }
.hero .app-icon { display: block; margin: 0 auto 18px; }
.hero h1 { font-size: clamp(34px, 5.4vw, 60px); line-height: 1.08; letter-spacing: -0.02em; margin: 0 auto 18px; max-width: 900px; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: clamp(17px, 2vw, 20px); color: var(--muted); max-width: 760px; margin: 0 auto 30px; }
.cta { display: inline-flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.button { display: inline-flex; align-items: center; gap: 8px; padding: 12px 22px; border-radius: 12px; font-weight: 600; font-size: 16px; border: 1px solid var(--line); color: var(--text); background: var(--panel); }
.button.primary { background: var(--accent); border-color: transparent; color: #fff; }
.button.soon { cursor: default; opacity: .85; }
.button:hover { text-decoration: none; filter: brightness(1.08); }
.fineprint { color: var(--muted); font-size: 14px; margin-top: 14px; }
.shot { margin: 36px auto 0; max-width: 1100px; }
.shot img { display: block; margin: 0 auto; }

section { padding: 80px 0 0; }
h2 { font-size: clamp(26px, 3.4vw, 38px); letter-spacing: -0.01em; margin: 0 0 12px; }
.section-lead { color: var(--muted); max-width: 760px; margin: 0 0 36px; font-size: 18px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.split { display: grid; grid-template-columns: 1fr 1.5fr; gap: 36px; align-items: center; margin-top: 56px; }
.split.flip { grid-template-columns: 1.5fr 1fr; }
.split h3 { font-size: 24px; margin: 0 0 10px; }
.split p { color: var(--muted); margin: 0 0 10px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px 20px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }
kbd { font: inherit; font-size: .92em; border: 1px solid var(--line); border-radius: 5px; padding: 0 5px; background: var(--panel); }

/* Support and privacy pages. */
.page { max-width: 780px; padding: 32px 0 0; }
.page h1 { font-size: clamp(32px, 4.4vw, 46px); letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 12px; }
.page h2 { font-size: 24px; margin: 44px 0 10px; }
.page p, .page li { color: var(--muted); }
.page strong { color: var(--text); }
.page .lead { font-size: 19px; }
.page ul { padding-left: 22px; }
.page li { margin: 6px 0; }
.contact { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; margin: 24px 0 0; }
.contact p { margin: 0; }

footer { border-top: 1px solid var(--line); margin-top: 96px; padding: 28px 0 48px; color: var(--muted); font-size: 14px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
footer .links { display: flex; gap: 18px; flex-wrap: wrap; }

@media (max-width: 760px) {
  nav .links { display: none; }
  .split, .split.flip { grid-template-columns: 1fr; }
  .split.flip > img { order: 2; }
  header.hero { padding-top: 24px; }
}