/* SC360 site styles. Brand tokens live here; see brand/BRAND.md. */
:root {
  --navy: #0E2A47;
  --ember: #F26A3D;
  --ember-ink: #C2461C;   /* ember dark enough for text on light backgrounds */
  --sky: #3D8BD9;
  --paper: #F7F5F1;
  --surface: #FFFFFF;
  --ink: #14202E;
  --muted: #5A6878;
  --line: #E3DED6;
  --bg: var(--paper);
  --text: var(--ink);
  --heading: var(--navy);
  --link: var(--ember-ink);
  --radius: 14px;
  --shadow: 0 1px 2px rgba(14, 42, 71, .06), 0 8px 24px rgba(14, 42, 71, .06);
  --font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --wrap: 1080px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0B1320;
    --surface: #121D2D;
    --text: #DCE4EE;
    --heading: #F2F5F9;
    --muted: #93A1B2;
    --line: #22324A;
    --link: #FF8A61;
    --shadow: none;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; }
a { color: var(--link); text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
h1, h2, h3 { color: var(--heading); line-height: 1.15; letter-spacing: -0.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 800; }
h2 { font-size: clamp(1.45rem, 3vw, 1.9rem); font-weight: 750; margin-top: 1.8em; }
h3 { font-size: 1.15rem; font-weight: 700; margin-top: 1.4em; }
p, ul, ol { margin: 0 0 1em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }
.prose > * { max-width: 700px; }
.muted { color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--ember-ink); margin-bottom: .8em; }
@media (prefers-color-scheme: dark) { .eyebrow { color: var(--ember); } }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: var(--surface); padding: 8px 12px; z-index: 10; }

/* Header + footer */
.site-header { border-bottom: 1px solid var(--line); background: color-mix(in srgb, var(--bg) 88%, transparent); position: sticky; top: 0; z-index: 5; backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--heading); font-weight: 800; font-size: 1.25rem; letter-spacing: -0.03em; }
.brand svg { width: 30px; height: 30px; }
.brand .n { color: var(--ember); }
.ring { stroke: var(--navy); }
@media (prefers-color-scheme: dark) { .ring { stroke: #E8EEF5; } }
.nav { display: flex; gap: 4px 18px; flex-wrap: wrap; }
.nav a { color: var(--text); text-decoration: none; font-weight: 600; font-size: .95rem; padding: 6px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--link); }
.site-footer { border-top: 1px solid var(--line); margin-top: 72px; padding: 32px 0 48px; font-size: .92rem; color: var(--muted); }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }

/* Sections */
.hero { padding: 72px 0 40px; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; }
.section { padding: 32px 0; }
.btn { display: inline-block; background: var(--navy); color: #fff; text-decoration: none; font-weight: 700; padding: 12px 20px; border-radius: 999px; border: 0; font: inherit; font-weight: 700; cursor: pointer; }
.btn:hover { background: #163A60; }
.btn.alt { background: transparent; color: var(--heading); box-shadow: inset 0 0 0 2px var(--line); }
@media (prefers-color-scheme: dark) { .btn { background: var(--ember); color: #1A0D06; } .btn:hover { background: #FF8A61; } }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 24px; }

.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.card h3 { margin-top: 0; }
.card a.stretch { text-decoration: none; color: inherit; display: block; }
.app-icon { width: 64px; height: 64px; border-radius: 15px; background: linear-gradient(135deg, var(--navy), var(--sky)); display: grid; place-items: center; color: #fff; font-weight: 800; font-size: 1.4rem; margin-bottom: 16px; }
.tag { display: inline-block; font-size: .75rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: color-mix(in srgb, var(--ember) 16%, transparent); color: var(--link); }

.news-item { border-top: 1px solid var(--line); padding: 20px 0; }
.news-item time { font-size: .85rem; color: var(--muted); font-family: var(--mono); }
.news-item h3 { margin: .2em 0 .3em; }

/* Forms */
form.stack { display: grid; gap: 16px; max-width: 620px; }
label { font-weight: 600; display: block; margin-bottom: 6px; }
input, select, textarea { width: 100%; font: inherit; padding: 11px 13px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); color: var(--text); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--sky); outline-offset: 1px; }
textarea { min-height: 160px; resize: vertical; }
.hp { position: absolute; left: -9999px; }
.notice { padding: 14px 16px; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); }
.notice.ok { border-color: #2E9E6A; }
.notice.err { border-color: #D64545; }

@media (max-width: 560px) {
  body { font-size: 16px; }
  .hero { padding: 48px 0 24px; }
  .site-header .wrap { padding-top: 10px; padding-bottom: 10px; }
}

/* App pages */
.subnav { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 28px; }
.subnav a { font-size: .9rem; font-weight: 600; text-decoration: none; color: var(--muted); padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line); }
.subnav a[aria-current="page"] { color: var(--heading); background: var(--surface); border-color: var(--heading); }
.app-icon-img { display: block; border-radius: 22.5%; box-shadow: var(--shadow); margin-bottom: 18px; }
.card .app-icon-img { margin-bottom: 16px; }