/* Trundle website — palette and shapes mirror Shared/Theme.swift in the app. */

:root {
  /* Surfaces */
  --canvas: #EFEFF1;
  --card: #FFFFFF;
  --pill: #ECECEE;
  --bar-idle: #E6E6E9;
  /* Text */
  --ink: #111111;
  --on-ink: #FFFFFF;
  --muted: #5B5B63;
  /* Brand */
  --orange: #FF6A00;
  --amber: #FFA53D;
  --ember: #C2410C;
  --link: #C2410C;           /* ember: orange text on white is too low-contrast */
  --orange-gradient: linear-gradient(135deg, var(--amber), var(--orange));
  --shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
  --hairline: rgba(0, 0, 0, 0.08);

  --radius-card: 32px;
  --radius-sm: 20px;
  --gutter: 16px;
  --max: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0B0B0D;
    --card: #1C1C1F;
    --pill: #2A2A2E;
    --bar-idle: #2C2C30;
    --ink: #F5F5F7;
    --on-ink: #111111;
    --muted: #A1A1A8;
    --orange: #FF7A1A;
    --amber: #FFB458;
    --ember: #E2530F;
    --link: #FFB458;
    --shadow: none;
    --hairline: rgba(255, 255, 255, 0.1);
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; border-radius: 6px; }

.skip {
  position: absolute; left: -999px; top: 8px;
  background: var(--ink); color: var(--on-ink);
  padding: 10px 16px; border-radius: 999px; z-index: 10;
}
.skip:focus { left: 8px; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }

/* ---------- Header ---------- */

.site-header { padding: 20px 0; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; }

.wordmark {
  display: inline-flex; align-items: center; gap: 10px;
  color: var(--ink); text-decoration: none;
  font-size: 28px; font-weight: 800; letter-spacing: -0.04em; line-height: 1;
}
.wordmark img { width: 36px; height: 36px; border-radius: 22.37%; }

.nav a {
  display: inline-block; padding: 8px 16px; border-radius: 999px;
  background: var(--pill); color: var(--ink);
  font-size: 15px; font-weight: 600; text-decoration: none;
}
.nav a:hover { background: var(--bar-idle); }

/* ---------- Hero ---------- */

.hero { padding: 24px 0 56px; }
.hero .wrap { display: grid; gap: 40px; align-items: center; }

.eyebrow {
  display: inline-block; margin: 0 0 16px; padding: 6px 14px; border-radius: 999px;
  background: var(--pill); color: var(--ink);
  font-size: 14px; font-weight: 600;
}

h1 {
  margin: 0 0 20px;
  font-size: clamp(44px, 9vw, 76px);
  line-height: 1.02; font-weight: 800; letter-spacing: -0.045em;
}
h1 .accent {
  background: var(--orange-gradient);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

.lede { margin: 0 0 28px; max-width: 34em; font-size: clamp(18px, 2.4vw, 21px); color: var(--muted); }

.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px; border-radius: 999px; border: 0;
  background: var(--orange-gradient); color: #000;
  font: inherit; font-size: 17px; font-weight: 700; text-decoration: none;
}
.btn[aria-disabled="true"] { cursor: default; }
a.btn:hover { filter: brightness(1.05); }

.cta-note { font-size: 14px; color: var(--muted); margin: 0; }

/* Progress ring (300° open gauge, gap at the bottom — same as the app) */

.ring { position: relative; width: min(100%, 360px); aspect-ratio: 1; margin: 0 auto 40px; }
.ring svg.arc { position: absolute; inset: 0; width: 100%; height: 100%; }
.ring .track { stroke: var(--bar-idle); }
.ring .progress {
  stroke: url(#arcGradient);
  stroke-dasharray: 216 360;
  animation: fill 1.4s cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes fill { from { stroke-dasharray: 0 360; } to { stroke-dasharray: 216 360; } }

.ring .disc {
  position: absolute; inset: 18%;
  border-radius: 50%; background: var(--card);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
  display: grid; place-items: center;
}
.ring .disc svg { width: 46%; height: auto; }

.ring .stat {
  position: absolute; left: 50%; bottom: -40px; margin: 0; transform: translateX(-50%);
  white-space: nowrap; font-size: 15px; font-weight: 600; color: var(--muted);
}
.ring .stat strong { color: var(--ink); font-size: 18px; letter-spacing: -0.02em; }

/* ---------- Screenshots ---------- */

.shots { padding: 8px 0 64px; }
.shots-strip {
  display: flex; gap: 16px; overflow-x: auto; padding: 8px max(var(--gutter), calc((100vw - var(--max)) / 2 + var(--gutter))) 24px;
  scroll-snap-type: x mandatory; scroll-padding-inline: var(--gutter);
  scrollbar-width: thin;
}
.shots-strip figure { margin: 0; flex: 0 0 auto; width: min(68vw, 270px); scroll-snap-align: start; }
.shots-strip img {
  width: 100%; height: auto; aspect-ratio: 640 / 1388;
  border-radius: 28px; box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
  background: var(--bar-idle);
}

/* ---------- Sections and cards ---------- */

section { scroll-margin-top: 16px; }

.section-title {
  margin: 0 0 8px; font-size: clamp(30px, 5vw, 44px);
  line-height: 1.1; font-weight: 800; letter-spacing: -0.035em;
}
.section-sub { margin: 0 0 32px; max-width: 36em; color: var(--muted); }

.features { padding: 0 0 64px; }
.grid { display: grid; gap: 16px; }

.card {
  background: var(--card); border-radius: var(--radius-card);
  padding: 28px; box-shadow: var(--shadow);
}
.card h3 { margin: 16px 0 8px; font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card ul { margin: 12px 0 0; padding-left: 1.1em; color: var(--muted); font-size: 16px; }
.card li + li { margin-top: 4px; }

.icon-disc {
  width: 48px; height: 48px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--ink); color: var(--on-ink);
}
.icon-disc.orange { background: var(--orange-gradient); color: #000; }
.icon-disc svg { width: 24px; height: 24px; }

.split-number { font-size: 44px; font-weight: 800; letter-spacing: -0.04em; font-variant-numeric: tabular-nums; line-height: 1; }
.split-number span { font-size: 20px; font-weight: 400; color: var(--muted); letter-spacing: 0; margin-left: 4px; }

/* Capsule bar chart echo */
.bars { display: flex; align-items: flex-end; gap: 8px; height: 72px; margin-top: 20px; }
.bars i { flex: 1; border-radius: 999px; background: var(--bar-idle); display: block; }
.bars i.hit { background: var(--orange-gradient); }

.pills { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.pills span {
  padding: 8px 16px; border-radius: 999px; background: var(--pill);
  font-size: 14px; font-weight: 600;
}
.pills span.on { background: var(--ink); color: var(--on-ink); }

/* ---------- Privacy teaser ---------- */

.privacy-teaser { padding: 0 0 72px; }
.privacy-teaser .card { display: grid; gap: 20px; align-items: center; }
.privacy-teaser h2 { margin: 0 0 8px; font-size: clamp(26px, 4vw, 34px); font-weight: 800; letter-spacing: -0.03em; line-height: 1.15; }
.privacy-teaser p { margin: 0; color: var(--muted); }
.btn-ink {
  display: inline-block; padding: 14px 24px; border-radius: 999px;
  background: var(--ink); color: var(--on-ink);
  font-weight: 700; font-size: 16px; text-decoration: none; white-space: nowrap;
}
.btn-ink:hover { opacity: 0.88; }

/* ---------- Footer ---------- */

.site-footer { padding: 32px 0 48px; border-top: 1px solid var(--hairline); color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: grid; gap: 12px; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--ink); font-weight: 600; }
.site-footer p { margin: 0; }

/* ---------- Legal / long-form pages ---------- */

.doc { padding: 16px 0 72px; }
.doc .card { padding: clamp(24px, 5vw, 56px); }
.doc h1 { font-size: clamp(36px, 7vw, 56px); margin-bottom: 8px; }
.doc .updated { margin: 0 0 32px; color: var(--muted); font-size: 15px; }
.doc h2 { margin: 40px 0 12px; font-size: 26px; font-weight: 800; letter-spacing: -0.025em; line-height: 1.2; }
.doc h3 { margin: 24px 0 8px; font-size: 18px; font-weight: 700; }
.doc p, .doc li { color: var(--ink); }
.doc p { margin: 0 0 16px; font-size: 17px; }
.doc ul { margin: 0 0 16px; padding-left: 1.3em; }
.doc li { margin-bottom: 6px; }
.doc .card p, .doc .card ul { color: var(--ink); }
.doc .summary {
  background: var(--canvas); border-radius: var(--radius-sm);
  padding: 20px 24px; margin: 0 0 8px;
}
.doc .summary h2 { margin-top: 0; font-size: 20px; }
.doc .summary ul { margin-bottom: 0; }
.doc table { width: 100%; border-collapse: collapse; margin: 8px 0 20px; font-size: 16px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 12px 12px 12px 0; border-bottom: 1px solid var(--hairline); }
.doc th { font-size: 14px; color: var(--muted); font-weight: 600; }

/* ---------- Larger screens ---------- */

@media (min-width: 720px) {
  :root { --gutter: 24px; }
  .hero .wrap { grid-template-columns: 1.15fr 0.85fr; gap: 56px; }
  .hero { padding: 48px 0 72px; }
  .grid { grid-template-columns: repeat(2, 1fr); }
  .privacy-teaser .card { grid-template-columns: 1fr auto; gap: 32px; }
  .site-footer .wrap { grid-template-columns: 1fr auto; align-items: start; }
}

@media (min-width: 1000px) {
  .grid { grid-template-columns: repeat(3, 1fr); }
  .card.wide { grid-column: span 2; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .ring .progress { animation: none; }
}