/* StePhD website: navy + blue, matching the app (src/theme/global.css). No external fonts or trackers. */
:root {
  --navy: #0b1730; --navy-2: #12306a; --blue: #3d8ef7; --accent: #1f6fe5; --accent-ink: #1a63d6;
  --bg: #f4f5f8; --surface: #ffffff; --text: #111827; --muted: #5b6475; --line: rgb(0 0 0 / 0.08);
  --font: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #060d1a; --surface: #0e1829; --text: #eef2f8; --muted: #9aa6ba; --line: rgb(255 255 255 / 0.1); --accent-ink: #6aaeff; color-scheme: dark; }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 17px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent-ink); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
header.site { background: var(--navy); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.wordmark { font-style: italic; font-weight: 850; letter-spacing: -0.035em; font-size: 1.35rem; color: #fff; }
.wordmark b { color: var(--blue); font-weight: inherit; }
nav.site { display: flex; gap: 18px; flex-wrap: wrap; }
nav.site a { color: #c9d4e8; text-decoration: none; font-size: 0.95rem; font-weight: 600; }
nav.site a:hover, nav.site a[aria-current='page'] { color: #fff; }
.hero { position: relative; overflow: hidden; background: radial-gradient(1200px 600px at 85% 20%, rgb(61 142 247 / 0.18), transparent 60%), radial-gradient(circle at 85% 110%, var(--navy-2), var(--navy) 60%); color: #fff; padding: 72px 0 80px; }
.hero .grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.hero h1.wordmark { font-size: clamp(3.4rem, 10vw, 5.6rem); line-height: 0.95; margin: 0; letter-spacing: -0.045em; }
.hero .rule { display: flex; align-items: center; gap: 14px; margin: 18px 0 26px; letter-spacing: 0.32em; font-size: 0.82rem; font-weight: 600; color: #dbe6f7; }
.hero .rule::before, .hero .rule::after { content: ''; width: 40px; height: 2px; background: var(--blue); border-radius: 2px; }
.hero p.lead { color: #c3cfe4; font-size: 1.15rem; line-height: 1.6; max-width: 30em; margin: 0; }
.stores { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.store { display: inline-flex; align-items: center; gap: 12px; padding: 11px 20px 11px 16px; border-radius: 14px; background: rgb(255 255 255 / 0.06); border: 1px solid rgb(255 255 255 / 0.16); color: #fff; font-weight: 650; font-size: 1.05rem; line-height: 1.2; }
.store svg { width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; }
.store small { display: block; font-size: 0.68rem; font-weight: 500; letter-spacing: 0.04em; color: #9fb0cc; }
.hero .fine { margin: 16px 0 0; font-size: 0.85rem; color: #8ea0bf; }
.visual { position: relative; display: flex; justify-content: center; }
.visual::before { content: ''; position: absolute; inset: 10% 5%; background: radial-gradient(circle, rgb(61 142 247 / 0.45), transparent 65%); filter: blur(40px); }
.phone { position: relative; width: 290px; max-width: 100%; padding: 10px; border-radius: 50px; background: linear-gradient(150deg, #2a3a5e, #0a1222 45%, #1b2847); box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.12), 0 50px 90px -30px rgb(0 0 0 / 0.7); }
.phone .screen { position: relative; overflow: hidden; border-radius: 40px; background: #f4f4f5; padding-top: 34px; }
.phone .screen::before { content: ''; position: absolute; top: 10px; left: 50%; width: 84px; height: 24px; margin-left: -42px; border-radius: 14px; background: #05080f; }
.phone .screen::after { content: '9:41'; position: absolute; top: 12px; left: 30px; font-size: 12px; font-weight: 650; color: #111; }
.phone img { display: block; width: 100%; height: auto; }
main { padding: 40px 0 56px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 1.05rem; }
.chip { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--accent); margin-bottom: 14px; }
.chip svg { width: 20px; height: 20px; fill: none; stroke: #fff; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.card p { margin: 0; color: var(--muted); font-size: 0.95rem; }
h1.page { font-size: 2.1rem; line-height: 1.15; margin: 0 0 6px; }
.updated { color: var(--muted); font-size: 0.9rem; margin: 0 0 28px; }
.doc h2 { font-size: 1.25rem; margin: 32px 0 8px; }
.doc h3 { font-size: 1.05rem; margin: 20px 0 6px; }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 4px 0; }
.note { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--accent); border-radius: 12px; padding: 14px 16px; margin: 20px 0; }
footer.site { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 0.9rem; }
footer.site nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 8px; }
footer.site a { color: var(--muted); }
@media (max-width: 720px) {
  .hero .grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 44px 0 56px; }
  .hero .grid { gap: 40px; }
  .phone { width: 260px; }
}