/* Auralis site. Dark only, like the app (flashtherapy/flashtherapy/ViewStyles.swift): it is
 * read in the evening by people about to lie down in a dark room. Tokens mirror the app's
 * auralisAccent amber and its indigo background gradient; the cyan is the app icon's glow. */
:root {
  --bg-top: #1a1a47;
  --bg: #0b0b24;
  --bg-bottom: #030312;
  --surface: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.13);
  --ink: #f4f5fb;
  --ink-2: rgba(244, 245, 251, 0.76);
  --ink-3: rgba(244, 245, 251, 0.58);
  --amber: #ffb84d;
  --cyan: #5fd3e0;
  --radius: 16px;
  --wrap: 1080px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg-bottom) linear-gradient(180deg, var(--bg-top) 0, var(--bg) 520px, var(--bg-bottom) 100%) no-repeat;
  min-height: 100vh;
}
a { color: var(--cyan); text-underline-offset: 3px; }
a:hover { color: #9be8f0; }
img { max-width: 100%; height: auto; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--ink-3); }

/* Header */
.top { position: sticky; top: 0; z-index: 5; background: rgba(11, 11, 36, 0.86); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--stroke); }
.bar { display: flex; align-items: center; gap: 24px; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; }
.brand img { border-radius: 8px; }
.top nav { display: flex; gap: 20px; margin-left: auto; }
.top nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.top nav a:hover, .top nav a[aria-current] { color: var(--ink); }
@media (max-width: 760px) {
  .bar { height: auto; flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; gap: 10px 16px; }
  .top nav { order: 3; width: 100%; margin: 0; overflow-x: auto; gap: 18px; padding-bottom: 2px; }
  .top .store.small { margin-left: auto; }
}

/* Buttons */
.store { display: inline-flex; align-items: center; gap: 8px; background: var(--amber); color: #1b1300; font-weight: 650; text-decoration: none; padding: 12px 20px; border-radius: 12px; font-size: 16px; line-height: 1.2; }
.store:hover { background: #ffc871; color: #1b1300; }
.store.small { padding: 8px 14px; font-size: 14px; }

/* Type */
h1 { font-size: clamp(32px, 5.4vw, 52px); line-height: 1.08; letter-spacing: -0.02em; margin: 48px 0 16px; }
h2 { font-size: clamp(24px, 3.2vw, 30px); line-height: 1.2; letter-spacing: -0.01em; margin: 48px 0 12px; }
h3 { font-size: 19px; margin: 28px 0 6px; }
.lede { font-size: clamp(19px, 2.3vw, 22px); color: var(--ink-2); max-width: 46em; margin: 0 0 20px; }
.byline { color: var(--ink-3); font-size: 14px; margin: 0 0 24px; }
.prose { max-width: 760px; }
.prose p, .prose li { color: var(--ink-2); }
.prose strong { color: var(--ink); }
.kicker { color: var(--amber); font-weight: 650; letter-spacing: 0.04em; text-transform: uppercase; font-size: 13px; margin: 0; }

/* Blocks */
.card { background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--radius); padding: 20px 22px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid .card h3 { margin-top: 0; }
.grid .card p { margin: 0; color: var(--ink-2); }
.note { border-left: 3px solid var(--amber); background: rgba(255, 184, 77, 0.07); padding: 14px 18px; border-radius: 0 12px 12px 0; margin: 24px 0; }
.note p { margin: 0; }
.answer { font-size: 19px; color: var(--ink); background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--radius); padding: 18px 22px; margin: 0 0 28px; }
.cta { margin: 56px 0 24px; padding: 24px; border-radius: var(--radius); background: linear-gradient(135deg, rgba(95, 211, 224, 0.12), rgba(255, 184, 77, 0.10)); border: 1px solid var(--stroke); display: flex; gap: 20px; align-items: center; flex-wrap: wrap; justify-content: space-between; }
.cta p { margin: 0; max-width: 34em; color: var(--ink-2); }

/* Tables */
.table { overflow-x: auto; margin: 20px 0; border: 1px solid var(--stroke); border-radius: 12px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--stroke); }
thead th { background: rgba(255, 255, 255, 0.05); color: var(--ink); font-weight: 650; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
td { color: var(--ink-2); }
td.us { color: var(--ink); }
caption { caption-side: bottom; text-align: left; color: var(--ink-3); font-size: 13px; padding: 8px 12px; }

/* Home */
.hero { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; padding: 16px 0 8px; }
.hero h1 { margin-top: 40px; }
.hero .lede { font-size: clamp(18px, 2vw, 20px); }
.hero .hero-shot { justify-self: center; width: 300px; box-shadow: 0 30px 80px rgba(95, 211, 224, 0.18); }
.screen { border-radius: 28px; border: 1px solid var(--stroke); background: #000; }
.hero .actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.hero .actions > span { color: var(--ink-3); font-size: 15px; }
@media (max-width: 820px) { .hero { grid-template-columns: 1fr; gap: 24px; } .hero .hero-shot { width: 240px; } }
.steps { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.steps li { counter-increment: s; background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--radius); padding: 18px 20px; color: var(--ink-2); }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--amber); color: #1b1300; font-weight: 700; margin-bottom: 8px; }
.steps strong { display: block; color: var(--ink); }
.shots { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(200px, 240px); gap: 16px; overflow-x: auto; padding-bottom: 8px; }
.tag { display: inline-block; font-size: 12px; font-weight: 650; color: #062a2f; background: var(--cyan); border-radius: 999px; padding: 1px 8px; margin-left: 6px; vertical-align: 2px; }

/* FAQ and sources */
.faq details { border: 1px solid var(--stroke); border-radius: 12px; padding: 0 18px; margin: 10px 0; background: var(--surface); }
.faq summary { cursor: pointer; padding: 14px 0; font-weight: 600; color: var(--ink); }
.faq details > div { padding: 0 0 14px; color: var(--ink-2); }
.faq details > div p { margin: 0 0 10px; }
.sources ol { padding-left: 22px; font-size: 15px; }
.sources li { margin: 6px 0; color: var(--ink-3); }

/* Footer */
.foot { margin-top: 80px; border-top: 1px solid var(--stroke); padding: 40px 0 24px; background: rgba(0, 0, 0, 0.25); }
.foot .cols { display: grid; gap: 24px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.foot h2 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--ink-3); margin: 0 0 10px; }
.foot ul { list-style: none; padding: 0; margin: 0; }
.foot li { margin: 6px 0; font-size: 15px; }
.foot li a { color: var(--ink-2); text-decoration: none; }
.foot li a:hover { color: var(--ink); }
.foot li a.store { color: #1b1300; }
.fine { margin-top: 24px; font-size: 13px; color: var(--ink-3); }
.fine a { color: var(--ink-2); }