/* Edgely website. Colours follow Edgely/Design/Palette.swift (design.md §4). */
:root {
  color-scheme: light dark;
  --accent: rgb(48 120 240);
  --recovery: rgb(30 170 105);
  --strain: rgb(240 120 30);
  --sleep: rgb(100 95 240);
  --heart: rgb(235 50 80);
  --bg: #f5f5f7;
  --text: #1d1d1f;
  --secondary: rgb(60 60 67 / 0.72);
  --tertiary: rgb(60 60 67 / 0.45);
  --glass: rgb(255 255 255 / 0.62);
  --glass-edge: rgb(255 255 255 / 0.9);
  --hairline: rgb(60 60 67 / 0.14);
  --shadow: 0 1px 2px rgb(0 0 0 / 0.04), 0 12px 40px rgb(0 0 0 / 0.07);
  --mesh-a: rgb(52 209 140 / 0.30);
  --mesh-b: rgb(89 158 255 / 0.30);
  --mesh-c: rgb(120 115 255 / 0.22);
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: rgb(89 158 255);
    --recovery: rgb(51 209 140);
    --strain: rgb(255 140 56);
    --sleep: rgb(120 115 255);
    --heart: rgb(255 61 94);
    --bg: #000;
    --text: #f5f5f7;
    --secondary: rgb(235 235 245 / 0.66);
    --tertiary: rgb(235 235 245 / 0.4);
    --glass: rgb(40 40 46 / 0.55);
    --glass-edge: rgb(255 255 255 / 0.12);
    --hairline: rgb(255 255 255 / 0.12);
    --shadow: 0 12px 40px rgb(0 0 0 / 0.35);
    --mesh-a: rgb(51 209 140 / 0.24);
    --mesh-b: rgb(89 158 255 / 0.26);
    --mesh-c: rgb(120 115 255 / 0.22);
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.5 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
/* AmbientBackground: a soft mesh that fades to the system background */
body::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 900px;
  z-index: -1;
  background:
    radial-gradient(60% 50% at 15% 10%, var(--mesh-a), transparent 70%),
    radial-gradient(55% 45% at 85% 5%, var(--mesh-b), transparent 70%),
    radial-gradient(60% 50% at 50% 45%, var(--mesh-c), transparent 70%);
  mask-image: linear-gradient(to bottom, #000 55%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

/* Navigation: a floating glass bar */
.nav {
  position: sticky;
  top: 12px;
  z-index: 10;
  margin: 12px auto 0;
  width: min(1040px, calc(100% - 24px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 10px 8px 12px;
  border-radius: 999px;
  background: var(--glass);
  border: 0.5px solid var(--glass-edge);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 600; font-size: 17px; }
.brand:hover { text-decoration: none; }
.brand img { width: 30px; height: 30px; border-radius: 7px; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  color: var(--text);
  font-size: 15px;
  padding: 6px 14px;
  border-radius: 999px;
}
.nav-links a:hover { background: var(--hairline); text-decoration: none; }
.nav-links a[aria-current="page"] { background: var(--hairline); }

/* Hero */
.hero { text-align: center; padding: 72px 0 32px; }
.hero-icon {
  width: 128px; height: 128px; margin: 0 auto 28px;
  border-radius: 29px;
  box-shadow: 0 18px 50px rgb(0 0 0 / 0.18), 0 0 0 0.5px rgb(0 0 0 / 0.08);
}
h1, h2, h3 { letter-spacing: -0.02em; line-height: 1.1; margin: 0; }
.hero h1 { font-size: clamp(40px, 7vw, 72px); font-weight: 700; }
.hero h1 span { color: var(--secondary); }
.lede { font-size: clamp(19px, 2.4vw, 23px); color: var(--secondary); max-width: 640px; margin: 18px auto 0; line-height: 1.4; }
.cta { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.button {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 600; font-size: 17px;
  background: var(--accent); color: #fff;
}
.button:hover { text-decoration: none; filter: brightness(1.06); }
.button.glass {
  background: var(--glass); color: var(--text);
  border: 0.5px solid var(--glass-edge);
  box-shadow: var(--shadow);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}
.note { font-size: 14px; color: var(--tertiary); margin-top: 14px; }

/* Phones */
.phones {
  display: flex; justify-content: center; align-items: flex-start; gap: 22px;
  margin: 48px auto 0;
}
.phone {
  width: 260px; flex: none;
  border-radius: 44px;
  padding: 7px;
  background: #1c1c1e;
  box-shadow: 0 30px 80px rgb(0 0 0 / 0.25), inset 0 0 0 1.5px rgb(255 255 255 / 0.08);
}
.phone img { border-radius: 37px; width: 100%; aspect-ratio: 640 / 1391; }
.phones .phone:nth-child(2) { margin-top: -28px; }
@media (max-width: 860px) {
  .phones .phone:nth-child(3) { display: none; }
}
@media (max-width: 600px) {
  .phones { gap: 14px; }
  .phone { width: 46%; border-radius: 30px; padding: 5px; }
  .phone img { border-radius: 25px; }
  .phones .phone:nth-child(2) { margin-top: 0; }
}

/* Sections */
section { padding: 80px 0 0; }
.eyebrow { font-size: 15px; font-weight: 600; margin-bottom: 10px; }
.section-title { font-size: clamp(30px, 4.6vw, 48px); font-weight: 700; }
.section-lede { font-size: 19px; color: var(--secondary); margin: 14px 0 0; max-width: 620px; }

.feature {
  display: grid; grid-template-columns: 1fr 300px; gap: 56px; align-items: center;
}
.feature.flip { grid-template-columns: 300px 1fr; }
.feature.flip .feature-media { order: -1; }
.feature-media .phone { width: 100%; max-width: 300px; margin: 0 auto; }
@media (max-width: 760px) {
  .feature, .feature.flip { grid-template-columns: 1fr; gap: 32px; }
  .feature.flip .feature-media { order: 0; }
  .feature-media .phone { max-width: 260px; }
}
.points { list-style: none; padding: 0; margin: 24px 0 0; }
.points li { padding: 12px 0; border-top: 0.5px solid var(--hairline); color: var(--secondary); }
.points li strong { color: var(--text); font-weight: 600; }

/* Glass cards (home tabs style) */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 32px; }
@media (max-width: 860px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .cards { grid-template-columns: 1fr; } }
.card {
  padding: 22px;
  border-radius: 28px;
  background: var(--glass);
  border: 0.5px solid var(--glass-edge);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}
.card h3 { font-size: 19px; margin: 12px 0 6px; }
.card p { margin: 0; color: var(--secondary); font-size: 16px; }
.card .symbol {
  width: 40px; height: 40px; border-radius: 12px;
  display: grid; place-items: center;
  color: #fff; font-size: 20px;
}
.card .symbol svg { width: 22px; height: 22px; }

/* Score rings */
.rings { display: flex; gap: 28px; margin-top: 28px; flex-wrap: wrap; }
.ring { text-align: center; }
.ring svg { width: 92px; height: 92px; }
.ring .value { font: 600 28px/1 ui-rounded, "SF Pro Rounded", -apple-system, system-ui, sans-serif; font-variant-numeric: tabular-nums; }
.ring .label { font-size: 13px; color: var(--secondary); margin-top: 6px; }

/* Privacy band */
.privacy-band {
  margin-top: 80px;
  padding: 40px;
  border-radius: 32px;
  background: var(--glass);
  border: 0.5px solid var(--glass-edge);
  box-shadow: var(--shadow);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
}
@media (max-width: 560px) { .privacy-band { padding: 26px 22px; } }

/* Document pages (privacy, support): plain page with hairlines, like a sub-screen */
.doc { padding: 56px 0 0; }
.doc h1 { font-size: clamp(34px, 6vw, 48px); font-weight: 700; }
.doc .updated { color: var(--tertiary); font-size: 15px; margin-top: 10px; }
.doc .summary { font-size: 19px; color: var(--secondary); margin-top: 18px; }
.doc h2 { font-size: 24px; margin: 44px 0 12px; padding-top: 28px; border-top: 0.5px solid var(--hairline); }
.doc h3 { font-size: 18px; margin: 24px 0 6px; }
.doc p, .doc li { color: var(--secondary); }
.doc p strong, .doc li strong { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.toc { margin-top: 28px; padding: 18px 22px; border-radius: 22px; background: var(--glass); border: 0.5px solid var(--glass-edge); }
.toc ol { margin: 0; padding-left: 22px; columns: 2; column-gap: 32px; }
@media (max-width: 560px) { .toc ol { columns: 1; } }
.toc li { margin: 4px 0; break-inside: avoid; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 15px; }
th, td { text-align: left; padding: 10px 12px 10px 0; border-bottom: 0.5px solid var(--hairline); vertical-align: top; }
th { color: var(--text); font-weight: 600; }
td { color: var(--secondary); }
.table-scroll { overflow-x: auto; }

details { border-top: 0.5px solid var(--hairline); padding: 4px 0; }
details:last-of-type { border-bottom: 0.5px solid var(--hairline); }
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(--accent); font-weight: 400; font-size: 22px; line-height: 1; }
details[open] summary::after { content: "–"; }
details p { margin: 0 0 16px; }

.contact-card { margin-top: 28px; }
.contact-card .button { margin-top: 16px; }

/* Footer */
footer { margin-top: 96px; padding: 28px 0 48px; border-top: 0.5px solid var(--hairline); font-size: 14px; color: var(--tertiary); }
footer .row { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
footer nav { display: flex; gap: 20px; }
footer nav a { color: var(--secondary); }