/* ONS Digest — App Store home (onsdigest.gtools.space)
   Visual system matches the reviewed launch-kit / Design/Theme.swift:
   gem gradient #5b9dff→#a585f5→#f183b6, category hues, Gemini-luminescence. */

:root {
  --bg: #f4f3fb; --bg2: #ecebf6;
  --ink: #16141f; --ink-soft: #4a4658; --ink-faint: #7c778c;
  --line: #e0ddec; --card: #ffffff; --card-line: #e6e3f0;
  --accent1: #5b9dff; --accent2: #a585f5; --accent3: #f183b6;
  --grad: linear-gradient(120deg, var(--accent1), var(--accent2) 52%, var(--accent3));
  --edu: #2fae82; --tech: #3f7fe0; --sec: #e0637a; --civ: #cf9a3a;
  --radius: 18px; --maxw: 820px;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
  --sans: -apple-system, "SF Pro Display", "SF Pro Text", system-ui, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #08070f; --bg2: #0d0b16;
    --ink: #f2f0f8; --ink-soft: #b4afc4; --ink-faint: #807a94;
    --line: #221e30; --card: #110f1a; --card-line: #221e30;
    --edu: #5ee0ad; --tech: #5b9dff; --sec: #ff8ba0; --civ: #f5c06a;
  }
}
:root[data-theme="dark"] {
  --bg: #08070f; --bg2: #0d0b16; --ink: #f2f0f8; --ink-soft: #b4afc4; --ink-faint: #807a94;
  --line: #221e30; --card: #110f1a; --card-line: #221e30;
  --edu: #5ee0ad; --tech: #5b9dff; --sec: #ff8ba0; --civ: #f5c06a;
}
:root[data-theme="light"] {
  --bg: #f4f3fb; --bg2: #ecebf6; --ink: #16141f; --ink-soft: #4a4658; --ink-faint: #7c778c;
  --line: #e0ddec; --card: #ffffff; --card-line: #e6e3f0;
  --edu: #2fae82; --tech: #3f7fe0; --sec: #e0637a; --civ: #cf9a3a;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--sans); line-height: 1.65; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(48% 30% at 12% 4%, rgba(91,157,255,.16), transparent 60%),
    radial-gradient(46% 30% at 92% 10%, rgba(241,131,182,.12), transparent 62%),
    radial-gradient(60% 40% at 50% 104%, rgba(165,133,245,.12), transparent 60%);
}

a { color: var(--accent2); text-decoration: none; }
a:hover { text-decoration: underline; }
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* top nav */
.nav { display: flex; align-items: center; justify-content: space-between; padding: 22px 0 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -.01em; font-size: 16px; color: var(--ink); }
.brand:hover { text-decoration: none; }
.logo { width: 26px; height: 26px; border-radius: 8px; background: var(--grad); flex: none; box-shadow: 0 4px 16px -6px rgba(120,90,220,.5); }
.nav-links { display: flex; gap: 18px; font-size: 14px; }
.nav-links a { color: var(--ink-soft); }

/* hero */
header.hero { padding: 60px 0 30px; }
.spark { font-size: 12px; color: var(--accent2); letter-spacing: .22em; text-transform: uppercase; font-weight: 600; }
h1.title { font-size: clamp(34px, 7vw, 60px); font-weight: 800; letter-spacing: -.025em; margin: 14px 0 0; line-height: 1.08; }
.lede { font-size: clamp(16px, 2.4vw, 20px); color: var(--ink-soft); max-width: 60ch; margin: 20px 0 0; }
.chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.chip { font-size: 13px; padding: 7px 14px; border: 1px solid var(--line); border-radius: 999px; color: var(--ink-soft); background: color-mix(in srgb, var(--card) 60%, transparent); display: inline-flex; align-items: center; gap: 7px; }
.dot { width: 8px; height: 8px; border-radius: 50%; }

/* feature grid */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 40px; }
@media (max-width: 640px) { .features { grid-template-columns: 1fr; } }
.feat { background: color-mix(in srgb, var(--card) 70%, transparent); border: 1px solid var(--card-line); border-radius: var(--radius); padding: 20px 22px; }
.feat h3 { margin: 0 0 6px; font-size: 16px; font-weight: 700; letter-spacing: -.01em; }
.feat p { margin: 0; font-size: 14.5px; color: var(--ink-soft); }

/* content / legal pages */
main.doc { padding: 34px 0 20px; }
.doc h1 { font-size: clamp(28px, 5vw, 40px); font-weight: 800; letter-spacing: -.02em; margin: 6px 0 0; }
.doc .updated { color: var(--ink-faint); font-size: 13.5px; font-family: var(--mono); margin-top: 12px; }
.doc h2 { font-size: 20px; font-weight: 750; letter-spacing: -.01em; margin: 38px 0 10px; }
.doc h3 { font-size: 16px; font-weight: 700; margin: 24px 0 6px; }
.doc p, .doc li { color: var(--ink-soft); font-size: 15.5px; }
.doc ul { padding-left: 20px; }
.doc li { margin: 5px 0; }
.doc strong { color: var(--ink); font-weight: 650; }
.doc table { width: 100%; border-collapse: collapse; margin: 14px 0; font-size: 14.5px; display: block; overflow-x: auto; }
.doc th, .doc td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { color: var(--ink); font-weight: 650; font-size: 13.5px; }
.callout { background: color-mix(in srgb, var(--card) 70%, transparent); border: 1px solid var(--card-line); border-left: 3px solid var(--accent2); border-radius: 12px; padding: 14px 18px; margin: 18px 0; }
.callout p { margin: 0; color: var(--ink); }

/* CTA button */
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--grad); color: #fff; font-weight: 650; font-size: 15px; padding: 12px 22px; border-radius: 14px; margin-top: 8px; box-shadow: 0 12px 30px -12px rgba(120,90,220,.6); }
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); box-shadow: none; }

/* footer */
footer { border-top: 1px solid var(--line); margin-top: 56px; padding: 30px 0 46px; }
.foot-inner { display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; justify-content: space-between; }
.foot-links { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; }
.foot-links a { color: var(--ink-soft); }
.foot-note { font-size: 13px; color: var(--ink-faint); }