/* CalibrateGym — shared site styles.
   Precision-instrument palette: cool paper ground, cobalt accent, warm
   amber reserved for risk/warning states only. */

:root {
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);

  --bg: #f4f5f8;
  --surface: #ffffff;
  --surface-dim: #eceef3;
  --ink: #14161c;
  --ink-soft: #3d4350;
  --muted: #6b7280;
  --line: #dde1e8;
  --accent: #3454d1;
  --accent-dark: #24399a;
  --accent-soft: #e7ebfb;
  --warn: #b8611f;
  --warn-soft: #faf0e2;
  --good: #21825a;
  --good-soft: #e5f4ec;
  --bad: #c1432f;
  --bad-soft: #fbeae6;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20,22,28,0.04), 0 8px 24px rgba(20,22,28,0.06);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12141a;
    --surface: #1a1d24;
    --surface-dim: #20232b;
    --ink: #eef0f4;
    --ink-soft: #c2c7d2;
    --muted: #8990a0;
    --line: #2c303a;
    --accent: #7c92ff;
    --accent-dark: #b7c2ff;
    --accent-soft: #232a4a;
    --warn: #e0994f;
    --warn-soft: #362a1c;
    --good: #6bc192;
    --good-soft: #1d2f24;
    --bad: #e08678;
    --bad-soft: #37211d;
  }
}
:root[data-theme="dark"] {
  --bg: #12141a;
  --surface: #1a1d24;
  --surface-dim: #20232b;
  --ink: #eef0f4;
  --ink-soft: #c2c7d2;
  --muted: #8990a0;
  --line: #2c303a;
  --accent: #7c92ff;
  --accent-dark: #b7c2ff;
  --accent-soft: #232a4a;
  --warn: #e0994f;
  --warn-soft: #362a1c;
  --good: #6bc192;
  --good-soft: #1d2f24;
  --bad: #e08678;
  --bad-soft: #37211d;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Sans', Arial, sans-serif;
  line-height: 1.55;
}

h1, h2, h3, h4 {
  font-family: 'Fraunces', Georgia, serif;
  font-weight: 600;
  line-height: 1.15;
  color: var(--ink);
  margin: 0 0 0.5em;
  text-wrap: balance;
}

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

code, .num, input[type="range"] + output, .tabular {
  font-family: 'IBM Plex Mono', monospace;
  font-variant-numeric: tabular-nums;
}

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* ---------- header ---------- */

.site-header {
  background: var(--ink);
  color: var(--bg);
  border-bottom: 3px solid var(--accent);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; flex-wrap: wrap; gap: 12px;
}
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand a {
  font-family: 'Fraunces', Georgia, serif;
  font-size: 1.4rem; font-weight: 700; color: #fff;
}
.brand a:hover { text-decoration: none; color: var(--accent-dark); }
.brand .tagline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: #9aa3b6;
}
.site-nav { display: flex; gap: 22px; flex-wrap: wrap; }
.site-nav a {
  font-family: 'IBM Plex Sans', Arial, sans-serif;
  font-size: 0.92rem; font-weight: 600; color: #d6dae3;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
.site-nav a:hover, .site-nav a.active {
  color: #fff; border-bottom-color: var(--accent); text-decoration: none;
}

/* ---------- hero ---------- */

.hero { padding: 60px 0 56px; }
.hero .eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent-dark); background: var(--accent-soft);
  display: inline-block; padding: 4px 10px; border-radius: 4px;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2rem, 4.4vw, 3rem);
  max-width: 20ch;
  letter-spacing: -0.01em;
}
.hero p { color: var(--ink-soft); max-width: 58ch; font-size: 1.08rem; }
.hero-ctas { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }

/* ---------- sections / cards ---------- */

main { padding: 8px 0 72px; }
section + section { margin-top: 56px; }

.section-heading { margin-bottom: 20px; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.section-heading h2 { font-size: 1.5rem; margin-bottom: 4px; }
.section-heading .kicker {
  font-family: 'IBM Plex Mono', monospace; font-size: 0.76rem;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}

.card-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px;
}
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(20,22,28,0.12); }
.card-band { height: 6px; width: 100%; background: var(--accent); }
.card-band.warm { background: linear-gradient(90deg, var(--warn), var(--accent)); }
.card-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card h3 { font-size: 1.25rem; }
.card p { color: var(--ink-soft); font-size: 0.96rem; margin: 0; }
.card-actions { margin-top: auto; padding-top: 8px; }

.btn {
  display: inline-block; font-family: 'IBM Plex Sans', Arial, sans-serif;
  font-weight: 700; font-size: 0.9rem; padding: 10px 18px;
  border-radius: 7px; background: var(--ink); color: var(--bg) !important;
  text-decoration: none !important; border: none; cursor: pointer;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: transparent; color: var(--ink) !important; border: 1px solid var(--line); }
.btn.secondary:hover { background: var(--surface-dim); }

/* ---------- tool panels ---------- */

.tool-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; }
.tool-panel + .tool-panel { margin-top: 24px; }

.control-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin: 14px 0; }
.control-row label { font-weight: 700; font-size: 0.9rem; }
select, input[type="number"], input[type="text"] {
  font-family: 'IBM Plex Sans', Arial, sans-serif; font-size: 0.95rem;
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px;
  background: var(--surface); color: var(--ink);
}
input[type="range"] { width: 260px; accent-color: var(--accent); }

.pill-group { display: flex; gap: 8px; flex-wrap: wrap; }
.pill {
  font-family: 'IBM Plex Sans', Arial, sans-serif; font-size: 0.85rem; font-weight: 600;
  padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); cursor: pointer; color: var(--ink-soft);
}
.pill.active { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.stat-row { display: flex; gap: 28px; flex-wrap: wrap; margin-top: 18px; }
.stat .label { font-family: 'IBM Plex Mono', monospace; font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.stat .value { font-size: 1.5rem; font-weight: 800; color: var(--ink); font-family: 'IBM Plex Mono', monospace; }

.note {
  font-size: 0.88rem; color: var(--ink-soft); border-left: 3px solid var(--accent);
  padding: 10px 14px; background: var(--accent-soft); border-radius: 0 6px 6px 0; margin-top: 18px;
}
.note.warn { border-left-color: var(--warn); background: var(--warn-soft); }
.source-cite { font-size: 0.82rem; color: var(--muted); margin-top: 10px; }

.breadcrumb { font-size: 0.82rem; color: var(--muted); margin-bottom: 18px; }

canvas { display: block; max-width: 100%; height: auto; }

/* ---------- email capture ---------- */

.capture-box {
  background: var(--ink); color: var(--bg); border-radius: var(--radius);
  padding: 32px; display: flex; flex-wrap: wrap; gap: 22px; align-items: center; justify-content: space-between;
}
.capture-box h3 { color: #fff; margin-bottom: 6px; }
.capture-box p { color: #b9c0d1; max-width: 46ch; margin: 0; font-size: 0.94rem; }
.capture-form { display: flex; gap: 8px; flex-wrap: wrap; flex: none; }
.kit-embed { width: 100%; max-width: 420px; }
.capture-form input[type="email"] {
  font-family: 'IBM Plex Sans', Arial, sans-serif; font-size: 0.95rem;
  padding: 11px 14px; border-radius: 7px; border: 1px solid #3a4050;
  background: #1f2330; color: #fff; min-width: 240px;
}
.capture-form input[type="email"]::placeholder { color: #7d859a; }
.capture-form button {
  font-family: 'IBM Plex Sans', Arial, sans-serif; font-weight: 700; font-size: 0.9rem;
  padding: 11px 18px; border-radius: 7px; background: var(--accent); color: #fff; border: none; cursor: pointer;
}
.capture-form button:hover { background: var(--accent-dark); }
.capture-status { font-family: 'IBM Plex Mono', monospace; font-size: 0.8rem; color: #9aa3b6; width: 100%; margin-top: 4px; }
.capture-status.ok { color: #8fd6ae; }

/* ---------- footer ---------- */

.site-footer { border-top: 1px solid var(--line); background: var(--surface-dim); padding: 28px 0; margin-top: 64px; }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.site-footer p { font-family: 'IBM Plex Sans', Arial, sans-serif; font-size: 0.82rem; color: var(--muted); margin: 0; }

@media (max-width: 640px) {
  .site-header .wrap { flex-direction: column; align-items: flex-start; }
  .capture-box { flex-direction: column; align-items: flex-start; }
}