/* Nudge a Friend — website styles, matching the app's design tokens */
:root {
  --bg: #F6F2EC; --surface: #FFFFFF; --alt: #EFE8DF; --ink: #1D1B18; --dim: #6B655C; --muted: #9A9288;
  --line: #E6DED3; --brand: #2F4A3F; --brand-ink: #FFFFFF; --accent: #C8633A; --accent-soft: #F8E3D8;
  --glow-a: #F3D9C4; --glow-b: #DCE8DF;
  --display: 'Fraunces', Georgia, serif; --body: 'Manrope', system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12110F; --surface: #1C1A17; --alt: #26231F; --ink: #F3EEE7; --dim: #AAA196; --muted: #766F66;
    --line: #2F2B26; --brand: #A8D0BC; --brand-ink: #10201A; --accent: #F0936B; --accent-soft: #3A2A22;
    --glow-a: #3A2A20; --glow-b: #1D2E27;
  }
}
:root[data-theme="dark"] {
  --bg: #12110F; --surface: #1C1A17; --alt: #26231F; --ink: #F3EEE7; --dim: #AAA196; --muted: #766F66;
  --line: #2F2B26; --brand: #A8D0BC; --brand-ink: #10201A; --accent: #F0936B; --accent-soft: #3A2A22;
  --glow-a: #3A2A20; --glow-b: #1D2E27;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font: 500 17px/1.6 var(--body); color: var(--ink); background: var(--bg);
  background-image: radial-gradient(90% 60% at 0% 0%, var(--glow-a), transparent 70%),
    radial-gradient(80% 60% at 100% 100%, var(--glow-b), transparent 70%);
  background-attachment: fixed; min-height: 100vh;
}
a { color: var(--accent); }
.wrap { max-width: 680px; margin: 0 auto; padding: 28px 16px 56px; }
header.bar { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-bottom: 40px; }
header.bar img { width: 34px; height: 34px; border-radius: 10px; }
header.bar a { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 10px; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; letter-spacing: -0.02em; line-height: 1.15; }
h1 { font-size: clamp(2.3rem, 7vw, 3.3rem); margin-bottom: 16px; }
h2 { font-size: 1.6rem; margin: 40px 0 12px; }
h3 { font-size: 1.2rem; margin-bottom: 4px; }
.lede { font-family: var(--display); font-style: italic; font-weight: 400; font-size: 1.3rem; color: var(--dim); }
p + p { margin-top: 12px; }
.dim { color: var(--dim); }
.small { font-size: .9rem; color: var(--dim); }
.label { font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 26px; padding: 22px; margin-top: 16px; }
.card.soft { background: var(--accent-soft); border-color: transparent; }
.steps { display: grid; gap: 14px; margin-top: 18px; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.num {
  flex: none; width: 40px; height: 40px; border-radius: 14px; background: var(--alt); display: grid; place-items: center;
  font-weight: 700;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 54px; padding: 0 26px;
  border-radius: 999px; background: var(--brand); color: var(--brand-ink); font: 700 1rem var(--body); border: 0;
  text-decoration: none; cursor: pointer;
}
.btn.secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: var(--glow-b); font-size: .9rem; font-weight: 600;
}
.badge::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: #5AA36B; }
code.topic {
  display: block; margin-top: 10px; padding: 12px 14px; border-radius: 14px; border: 1px dashed var(--line);
  background: var(--bg); font: 600 .95rem ui-monospace, Menlo, Consolas, monospace; word-break: break-all;
}
.orbs { display: flex; gap: 10px; align-items: flex-end; margin-bottom: 26px; }
.orb { border-radius: 50%; box-shadow: inset -6px -8px 16px rgba(0,0,0,.12), inset 6px 8px 14px rgba(255,255,255,.35); }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .9rem; color: var(--dim); }
footer a { color: var(--dim); }
ul.plain { padding-left: 20px; } ul.plain li { margin: 6px 0; }
.hidden { display: none !important; }

/* Live demo: the app in a phone frame (wide screens); phones get the full-screen link instead */
.try { display: none; }
@media (min-width: 760px) {
  .wrap:has(.try) { max-width: 920px; }
  .try { display: flex; gap: 40px; align-items: center; margin: 40px 0 10px; }
  .phone {
    flex: none; width: 360px; height: 740px; border-radius: 48px; padding: 12px;
    background: #1D1B18; box-shadow: 0 30px 60px rgba(40, 30, 20, .22), inset 0 0 0 2px #3a3530;
  }
  .phone iframe { width: 100%; height: 100%; border: 0; border-radius: 38px; background: var(--bg); display: block; }
  .try-copy h2 { margin-top: 6px; }
}