/* HCE Marketing Bot — Helio Centric
   Single stylesheet. No external resources, no web fonts, no trackers. */

:root {
  --bg: #ffffff;
  --bg-subtle: #f6f7f9;
  --bg-inset: #eef0f4;
  --text: #16181d;
  --text-muted: #545a66;
  --border: #dfe3ea;
  --accent: #b8560f;
  --accent-strong: #8f4109;
  --accent-wash: #fdf3e9;
  --focus: #0b5bd3;
  --radius: 10px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101216;
    --bg-subtle: #171a20;
    --bg-inset: #1e222a;
    --text: #eceef2;
    --text-muted: #a8b0bd;
    --border: #2b313b;
    --accent: #f0a35c;
    --accent-strong: #f7bd84;
    --accent-wash: #241a12;
    --focus: #74a9ff;
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

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

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--text);
  color: var(--bg);
  padding: 10px 16px;
  z-index: 100;
}
.skip-link:focus {
  left: 8px;
  top: 8px;
}

/* ---------- Identity mark ---------- */

.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-weight: 650;
  letter-spacing: -0.01em;
}
.mark:hover { color: var(--text); }

.mark__glyph {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  font-family: var(--mono);
  flex: none;
}
@media (prefers-color-scheme: dark) {
  .mark__glyph { color: #17120c; }
}

.mark__text { white-space: nowrap; }
.mark__sub {
  display: block;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ---------- Header ---------- */

.site-header {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  min-height: 68px;
  padding-top: 12px;
  padding-bottom: 12px;
}

.nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
  margin: 0;
  padding: 0;
}

.nav a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
}
.nav a:hover { background: var(--bg-subtle); color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); background: var(--bg-inset); }

/* ---------- Sections ---------- */

main { display: block; }

section { padding: 72px 0; }
section + section { border-top: 1px solid var(--border); }

.hero { padding: 88px 0 80px; }
.hero h1 {
  font-size: clamp(2.1rem, 5.2vw, 3.2rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}
.hero__lead {
  font-size: clamp(1.1rem, 2.4vw, 1.35rem);
  color: var(--text);
  max-width: 34ch;
  margin: 0 0 20px;
  font-weight: 500;
}
.hero__body {
  color: var(--text-muted);
  max-width: 62ch;
  margin: 0 0 28px;
}

h2 {
  font-size: clamp(1.5rem, 3.2vw, 1.9rem);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 12px;
}
h3 {
  font-size: 1.08rem;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
}

.section__intro {
  color: var(--text-muted);
  max-width: 62ch;
  margin: 0 0 36px;
}

.eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-strong);
  margin: 0 0 10px;
}

/* ---------- Status badge ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 12px;
  border: 1px solid var(--border);
  background: var(--accent-wash);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 24px;
}
.badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}

/* ---------- Buttons ---------- */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
}
.btn:hover { background: var(--bg-subtle); color: var(--text); }

.btn--primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn--primary:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  color: #fff;
}
@media (prefers-color-scheme: dark) {
  .btn--primary, .btn--primary:hover { color: #17120c; }
}

/* ---------- Grids & cards ---------- */

.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--bg-subtle);
}
.card p { margin: 0; color: var(--text-muted); font-size: 15.5px; }

.alt { background: var(--bg-subtle); }
.alt .card { background: var(--bg); }

/* ---------- Numbered steps ---------- */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding: 20px 24px 20px 68px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 22px;
  top: 20px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-wash);
  border: 1px solid var(--accent);
  color: var(--accent-strong);
  font-size: 14px;
  font-weight: 700;
  font-family: var(--mono);
}
.steps p { margin: 0; color: var(--text-muted); font-size: 15.5px; }

/* ---------- Fact list ---------- */

.facts {
  margin: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.facts > div {
  display: grid;
  grid-template-columns: minmax(180px, 30%) 1fr;
  gap: 4px 24px;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
}
.facts > div:first-child { border-top: 0; }
.facts dt { font-weight: 600; font-size: 15px; }
.facts dd { margin: 0; color: var(--text-muted); font-size: 15px; }

@media (max-width: 620px) {
  .facts > div { grid-template-columns: 1fr; }
}

/* ---------- Notice ---------- */

.notice {
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--bg-subtle);
  padding: 18px 22px;
  color: var(--text-muted);
  font-size: 15.5px;
}
.notice p { margin: 0; }
.notice p + p { margin-top: 10px; }
.notice strong { color: var(--text); }

/* ---------- Legal documents ---------- */

.doc { padding: 56px 0 80px; }
.doc__head { max-width: 68ch; margin: 0 0 8px; }
.doc h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.5rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin: 0 0 12px;
}
.doc__meta {
  color: var(--text-muted);
  font-size: 14px;
  margin: 0 0 8px;
}
.doc__lead {
  color: var(--text-muted);
  max-width: 68ch;
  margin: 0 0 32px;
}

.doc__body { max-width: 68ch; }
.doc__body h2 {
  font-size: 1.35rem;
  margin: 44px 0 10px;
  padding-top: 8px;
}
.doc__body h2:first-child { margin-top: 0; }
.doc__body h3 { margin: 24px 0 6px; }
.doc__body p { margin: 0 0 14px; }
.doc__body ul { margin: 0 0 14px; padding-left: 22px; }
.doc__body li { margin-bottom: 8px; }


/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-subtle);
  padding: 44px 0 56px;
  margin-top: 0;
}
.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: space-between;
}
.site-footer nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-size: 15px;
}
.site-footer nav a { text-decoration: none; color: var(--text-muted); }
.site-footer nav a:hover { color: var(--text); text-decoration: underline; }

.site-footer__legal {
  font-size: 13.5px;
  color: var(--text-muted);
  max-width: 60ch;
  margin: 0;
}
.site-footer__legal p { margin: 0 0 8px; }
.site-footer__legal p:last-child { margin-bottom: 0; }

.site-footer__col { min-width: 240px; }

/* ---------- 404 ---------- */

.error-page {
  padding: 110px 0 120px;
  max-width: 56ch;
}
.error-page h1 {
  font-size: clamp(1.9rem, 4.4vw, 2.5rem);
  letter-spacing: -0.03em;
  margin: 0 0 12px;
}
.error-page__code {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent-strong);
  margin: 0 0 10px;
}
.error-page p { color: var(--text-muted); margin: 0 0 24px; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  section { padding: 56px 0; }
  .hero { padding: 60px 0 56px; }
  .site-header .wrap { justify-content: flex-start; }
}