/* SelfBench — design system
   Single accent, near-neutral surfaces, system fonts. No external requests. */

:root {
  --bg: #f7f7f9;
  --surface: #ffffff;
  --surface-soft: #f2f2f5;
  --line: #e3e3e8;
  --line-strong: #d2d2da;
  --text: #16161d;
  --muted: #5d5d6b;
  --muted-soft: #8a8a99;
  --accent: #4338ca;
  --accent-hover: #3730a3;
  --accent-soft: #eef0ff;
  --accent-line: #c8cdf7;
  --green: #1a7f53;
  --green-soft: #e8f6ef;
  --amber: #9a6207;
  --amber-soft: #fdf3e0;
  --shadow-sm: 0 1px 2px rgba(20, 20, 35, 0.06);
  --shadow: 0 6px 24px rgba(20, 20, 35, 0.07);
  --radius: 12px;
  --radius-sm: 8px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 0.5em; font-weight: 650; letter-spacing: -0.011em; }
h1 { font-size: clamp(1.85rem, 1.3rem + 2.2vw, 2.7rem); }
h2 { font-size: clamp(1.35rem, 1.1rem + 1.1vw, 1.75rem); margin-top: 1.6em; }
h3 { font-size: 1.12rem; margin-top: 1.4em; }
p { margin: 0 0 1em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: 0.35em; }

.wrap { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(760px, calc(100% - 40px)); margin: 0 auto; }

/* ---------- header ---------- */
.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20;
}
.site-header .wrap { display: flex; align-items: center; gap: 20px; min-height: 60px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 26px; height: 26px; border-radius: 7px; flex: none;
  background: linear-gradient(135deg, var(--accent), #7c3aed);
  display: grid; place-items: center; color: #fff; font-size: 14px; font-weight: 800;
}
.site-nav { display: flex; gap: 18px; margin-left: auto; align-items: center; flex-wrap: wrap; }
.site-nav a { color: var(--muted); font-size: 0.94rem; font-weight: 500; }
.site-nav a:hover { color: var(--text); text-decoration: none; }
.site-nav a.is-active { color: var(--text); }
.site-nav a.nav-cta {
  background: var(--accent); color: #fff; padding: 7px 14px; border-radius: var(--radius-sm); font-weight: 600;
}
.site-nav a.nav-cta:hover { background: var(--accent-hover); }

/* ---------- hero ---------- */
.hero { padding: 44px 0 8px; }
.hero h1 { max-width: 20ch; }
.lede { font-size: 1.1rem; color: var(--muted); max-width: 62ch; }
.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 650; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--accent); background: var(--accent-soft);
  border: 1px solid var(--accent-line); border-radius: 999px; padding: 4px 11px; margin-bottom: 14px;
}

/* ---------- cards / panels ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 16px; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }

section { padding: 30px 0; }
.section-tight { padding: 18px 0; }

/* ---------- forms & controls ---------- */
label { display: block; font-size: 0.86rem; font-weight: 600; color: var(--muted); margin-bottom: 5px; }
input[type="text"], input[type="email"], input[type="number"], select, textarea {
  width: 100%; padding: 9px 11px; font: inherit; font-size: 0.95rem;
  color: var(--text); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-line); outline-offset: 1px; border-color: var(--accent); }
textarea { min-height: 110px; resize: vertical; }
.field { margin-bottom: 14px; }
.field-row { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }

button, .btn {
  font: inherit; font-size: 0.95rem; font-weight: 600; cursor: pointer;
  padding: 10px 18px; border-radius: var(--radius-sm); border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--text); display: inline-block;
}
button:hover, .btn:hover { border-color: var(--muted-soft); text-decoration: none; }
.btn-primary, button.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover, button.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-lg { padding: 13px 24px; font-size: 1rem; }
button:disabled { opacity: 0.55; cursor: not-allowed; }

.checkbox-grid { display: grid; gap: 6px; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); }
.checkbox-grid label {
  display: flex; align-items: center; gap: 8px; margin: 0; padding: 7px 10px;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface);
  font-weight: 500; color: var(--text); font-size: 0.9rem; cursor: pointer;
}
.checkbox-grid label:hover { border-color: var(--accent-line); background: var(--accent-soft); }
.checkbox-grid input { flex: none; }

/* ---------- tables ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { border-collapse: collapse; width: 100%; font-size: 0.92rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 650; white-space: nowrap; }
tbody tr:hover { background: var(--surface-soft); }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.mono { font-family: var(--mono); font-size: 0.88em; }

/* ---------- cost bars ---------- */
.bars { display: grid; gap: 10px; }
.bar-row { display: grid; grid-template-columns: minmax(120px, 200px) 1fr auto; gap: 12px; align-items: center; }
.bar-name { font-size: 0.9rem; font-weight: 550; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-track { background: var(--surface-soft); border-radius: 999px; height: 12px; overflow: hidden; }
.bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), #7c3aed); border-radius: 999px; min-width: 3px; }
.bar-value { font-variant-numeric: tabular-nums; font-size: 0.9rem; font-weight: 650; white-space: nowrap; }

/* ---------- pricing ---------- */
.price-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); align-items: start; }
.price-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.price-card.featured { border-color: var(--accent); box-shadow: var(--shadow); }
.price-card .tag {
  position: absolute; top: -11px; left: 24px; background: var(--accent); color: #fff;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 999px;
}
.price-amount { font-size: 2.1rem; font-weight: 700; letter-spacing: -0.03em; line-height: 1.1; }
.price-period { color: var(--muted); font-size: 0.9rem; }
.price-card ul { list-style: none; padding: 0; margin: 16px 0 20px; font-size: 0.92rem; }
.price-card ul li { padding-left: 22px; position: relative; margin-bottom: 7px; }
.price-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 700; }

/* ---------- misc ---------- */
.pill { display: inline-block; font-size: 0.75rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; background: var(--surface-soft); color: var(--muted); border: 1px solid var(--line); }
.pill-green { background: var(--green-soft); color: var(--green); border-color: #bfe3d1; }
.pill-amber { background: var(--amber-soft); color: var(--amber); border-color: #f0dcb4; }
.note { font-size: 0.88rem; color: var(--muted); }
.note-box { background: var(--amber-soft); border: 1px solid #f0dcb4; border-radius: var(--radius-sm); padding: 12px 14px; font-size: 0.9rem; }
.ok-box { background: var(--green-soft); border: 1px solid #bfe3d1; border-radius: var(--radius-sm); padding: 12px 14px; font-size: 0.9rem; }
.err-box { background: #fdecec; border: 1px solid #f3c9c9; border-radius: var(--radius-sm); padding: 12px 14px; font-size: 0.9rem; color: #8d2020; }
details { border-bottom: 1px solid var(--line); padding: 12px 0; }
details summary { cursor: pointer; font-weight: 600; font-size: 0.97rem; }
details summary::marker { color: var(--muted-soft); }
details p { margin: 10px 0 2px; color: var(--muted); font-size: 0.94rem; }
.breadcrumbs { font-size: 0.85rem; color: var(--muted); margin: 18px 0 6px; }
.breadcrumbs a { color: var(--muted); }
.spec-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; }
.spec-list div { background: var(--surface-soft); border-radius: var(--radius-sm); padding: 12px 14px; }
.spec-list dt { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); font-weight: 650; margin-bottom: 3px; }
.spec-list dd { margin: 0; font-size: 1.02rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px; font-size: 0.92rem; }
.cta-band { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; text-align: center; }
.trust { display: flex; gap: 18px; flex-wrap: wrap; font-size: 0.85rem; color: var(--muted); }
.trust span { display: flex; align-items: center; gap: 6px; }

/* ---------- footer ---------- */
.site-footer { background: var(--surface); border-top: 1px solid var(--line); margin-top: 40px; padding: 30px 0; font-size: 0.88rem; color: var(--muted); }
.footer-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 22px; margin-bottom: 22px; }
.footer-cols h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted-soft); margin-bottom: 8px; }
.footer-cols ul { list-style: none; padding: 0; margin: 0; }
.footer-cols li { margin-bottom: 5px; }
.footer-cols a { color: var(--muted); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 16px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

@media (max-width: 640px) {
  .site-header .wrap { gap: 12px; min-height: 0; padding: 10px 0; }
  .site-nav { gap: 13px; width: 100%; }
  .site-nav a { font-size: 0.88rem; }
  .site-nav a.nav-cta { padding: 6px 11px; }
  .bar-row { grid-template-columns: 1fr; gap: 4px; }
  .hero { padding-top: 26px; }
  section { padding: 22px 0; }
}