/* gains.gerra.sh: the app's palette (composeApp/.../ui/theme/Theme.kt), dark first. */

:root {
  color-scheme: dark light;
  --bg: #0b0d12;
  --text: #f2f4f8;
  --muted: #9aa3b5;
  --card-top: #181d27;
  --card-bottom: #12161e;
  --outline: #2c3342;
  --accent: #c8ff4d;
  --on-accent: #0b0d12;
  --hero-start: #1d2a16;
  --hero-end: #0f1a2e;
  --coral: #ff6b6b;
  --amber: #ffb020;
  --cyan: #4dd9ff;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f4f8;
    --text: #12141a;
    --muted: #5c6373;
    --card-top: #ffffff;
    --card-bottom: #f7f8fb;
    --outline: #d5d9e3;
    --accent: #3e8e00;
    --on-accent: #ffffff;
    --hero-start: #e8f8cf;
    --hero-end: #ddebff;
    --coral: #d64545;
    --amber: #c77a00;
    --cyan: #0e86b8;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

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

img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 720px; }

/* --- header and footer --- */

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.brand img { width: 36px; height: 36px; border-radius: 9px; }

.top nav { display: flex; gap: 20px; font-size: 15px; }
.top nav a { color: var(--muted); text-decoration: none; }
.top nav a:hover, .top nav a[aria-current="page"] { color: var(--text); }

footer {
  margin-top: 72px;
  border-top: 1px solid var(--outline);
  color: var(--muted);
  font-size: 14px;
}
footer .wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding-top: 24px;
  padding-bottom: 40px;
}
footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer a { color: var(--muted); }

/* --- landing page --- */

.hero {
  margin-top: 16px;
  padding: 48px 32px;
  border: 1px solid var(--outline);
  border-radius: 28px;
  background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}
.hero h1 {
  margin: 0;
  font-size: clamp(40px, 7vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 800;
}
.hero h1 span { color: var(--accent); }
.hero p { color: var(--muted); font-size: 19px; margin: 20px 0 28px; }
/* The phone is cut off at the bottom of its screenshot, so it rises out of the card's
   bottom edge: no bottom padding, flush to the border. */
.hero .hero-phone { justify-self: center; align-self: end; max-width: 300px; margin-bottom: -48px; }

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}
.button.primary { background: var(--accent); color: var(--on-accent); }
.button.secondary { border: 1px solid var(--outline); color: var(--text); background: var(--card-top); }
.button:hover { filter: brightness(1.08); }
.button[hidden] { display: none; }

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

section { margin-top: 72px; }
section h2 {
  margin: 0 0 8px;
  font-size: clamp(28px, 4vw, 36px);
  letter-spacing: -0.02em;
  line-height: 1.15;
}
section > .lead { color: var(--muted); margin: 0 0 28px; max-width: 640px; }

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.features li, .card {
  padding: 22px;
  border: 1px solid var(--outline);
  border-radius: 20px;
  background: linear-gradient(var(--card-top), var(--card-bottom));
}
.features strong { display: block; margin-bottom: 4px; font-size: 18px; }
.features span { color: var(--muted); font-size: 15px; }
.features .dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.features .dot.cyan { background: var(--cyan); }
.features .dot.amber { background: var(--amber); }
.features .dot.coral { background: var(--coral); }

/* App Store screenshots: the headline and phone frame are baked in.
   All five fit on a wide screen; narrower ones get a scroll-snap strip. */
.shots {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max(170px, calc((100% - 64px) / 5));
  gap: 16px;
  margin: 0;
  padding: 0 0 12px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  overscroll-behavior-x: contain;
}
.shots li { scroll-snap-align: start; }
.shots img { border-radius: 20px; border: 1px solid var(--outline); }

.card h2 { font-size: 26px; }
.card p { color: var(--muted); }

@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; padding: 32px 20px; }
  .hero .hero-phone { max-width: 260px; margin-bottom: -32px; }
  .shots { grid-auto-columns: 72%; }
  .top nav { gap: 14px; }
}

/* --- text pages (privacy, support) --- */

.doc h1 {
  margin: 24px 0 4px;
  font-size: clamp(34px, 6vw, 48px);
  letter-spacing: -0.03em;
  line-height: 1.1;
}
.doc .updated { color: var(--muted); margin: 0 0 32px; }
.doc h2 { margin: 40px 0 8px; font-size: 22px; letter-spacing: -0.01em; }
.doc h3 { margin: 24px 0 4px; font-size: 18px; }
.doc p, .doc li { color: var(--text); }
.doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.doc .summary {
  padding: 20px 22px;
  border: 1px solid var(--outline);
  border-radius: 20px;
  background: linear-gradient(135deg, var(--hero-start), var(--hero-end));
}
.doc .summary p { margin: 0; }
.doc .summary p + p { margin-top: 8px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 8px; border-bottom: 1px solid var(--outline); }
.doc th { color: var(--muted); font-weight: 600; }
.table-scroll { overflow-x: auto; }