/* The Run List — landing site. Matches the app's palette; light/dark follows
   the visitor's system preference. */

:root {
  --bg: #ffffff;
  --bg-soft: #f5f6f8;
  --text: #16181d;
  --muted: #6a6e78;
  --accent: #1db954;
  --accent-press: #169c46;
  --border: #e3e5e9;
  --ring: rgba(29, 185, 84, 0.28);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121212;
    --bg-soft: #1c1d21;
    --text: #f3f3f5;
    --muted: #a0a3ad;
    --accent: #1db954;
    --accent-press: #25d366;
    --border: #2b2d33;
    --ring: rgba(29, 185, 84, 0.38);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 20px; }

a { color: var(--accent-press); }
a:hover { color: var(--accent); }

h1, h2, h3 { line-height: 1.2; }

/* --- header --- */
.site-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 0;
}
.site-head .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}
.site-head .brand img { width: 30px; height: 30px; }
.site-head nav {
  margin-left: auto;
  display: flex;
  gap: 18px;
  align-items: center;
}
.site-head nav a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
.site-head nav a:hover { color: var(--text); }
.site-head nav a.btn--primary,
.site-head nav a.btn--primary:hover { color: #fff; }

/* --- buttons --- */
.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  border: 1.5px solid var(--border);
  color: var(--text);
  background: var(--bg);
  white-space: nowrap;
}
.btn:hover { border-color: var(--muted); color: var(--text); }
.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--accent-press);
  border-color: var(--accent-press);
  color: #fff;
}

/* --- hero --- */
.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
  padding: 48px 0 64px;
}
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  margin: 0 0 16px;
  letter-spacing: -0.02em;
}
.hero h1 em { color: var(--accent); font-style: normal; }
.hero .sub { color: var(--muted); font-size: 1.12rem; margin: 0 0 26px; }
.hero .actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero .fineprint { margin-top: 18px; color: var(--muted); font-size: 0.92rem; }

.phone {
  width: min(300px, 80vw);
  margin: 0 auto;
  border-radius: 38px;
  border: 10px solid #17181c;
  box-shadow: 0 24px 60px -18px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  background: #17181c;
}
.phone img { display: block; width: 100%; height: auto; }

/* --- sections --- */
section { padding: 48px 0; }
section h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}
section .lead { color: var(--muted); margin: 0 0 32px; max-width: 640px; }

.why {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 26px 28px;
  margin: 8px 0 8px;
}
.why p { margin: 0; font-size: 1.05rem; }
.why .who { color: var(--muted); margin-top: 12px; font-size: 0.95rem; }

/* --- how it works --- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.step {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 20px;
}
.step .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  margin-bottom: 10px;
}
.step h3 { margin: 0 0 6px; }
.step p { margin: 0 0 16px; color: var(--muted); font-size: 0.97rem; }
.step img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
  display: block;
}

/* --- requirements --- */
.reqs {
  border: 1.5px solid var(--ring);
  background: color-mix(in srgb, var(--accent) 6%, var(--bg));
  border-radius: 18px;
  padding: 24px 28px;
}
.reqs ul { margin: 0; padding-left: 22px; }
.reqs li { margin: 6px 0; }

/* --- FAQ --- */
.faq details {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1.03rem;
  list-style-position: outside;
}
.faq details p { color: var(--muted); margin: 10px 0 4px; }

/* --- donate --- */
.donate {
  text-align: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 34px 26px;
}
.donate p { max-width: 560px; margin: 0 auto 18px; color: var(--muted); }

/* --- footer --- */
.site-foot {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding: 28px 0 40px;
  color: var(--muted);
  font-size: 0.92rem;
}
.site-foot .links { margin-bottom: 10px; display: flex; gap: 16px; flex-wrap: wrap; }
.site-foot a { color: var(--muted); }
.site-foot a:hover { color: var(--text); }

/* --- guide & privacy pages --- */
.doc { max-width: 780px; }
.doc h1 { font-size: clamp(1.7rem, 4vw, 2.3rem); margin: 28px 0 6px; }
.doc .lead { color: var(--muted); margin-bottom: 30px; }
.doc h2 {
  margin: 44px 0 10px;
  padding-top: 22px;
  border-top: 1px solid var(--border);
  font-size: 1.45rem;
}
.doc h3 { margin: 26px 0 8px; font-size: 1.1rem; }
.doc img.shot {
  width: 100%;
  height: auto;
  border-radius: 12px;
  border: 1px solid var(--border);
  margin: 12px 0 6px;
  display: block;
}
.doc img.shot--phone { max-width: 300px; }
.doc .note {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 14px 0;
  color: var(--muted);
}
.doc code {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 7px;
  font-size: 0.92em;
  word-break: break-all;
}
.doc ol li, .doc ul li { margin: 7px 0; }
.doc .trouble dt { font-weight: 600; margin-top: 16px; }
.doc .trouble dd { margin: 4px 0 0 0; color: var(--muted); }

/* --- responsive --- */
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: 34px; padding: 28px 0 44px; }
  .steps { grid-template-columns: 1fr; }
  .site-head nav a.hide-sm { display: none; }
}