/* Safety First — styles. Vanilla CSS, no build. */

:root {
  --bg: #0b1220;
  --bg-soft: #111a2e;
  --card: #16203a;
  --card-2: #1b2748;
  --line: #263256;
  --ink: #eaf0fb;
  --ink-dim: #9fb0d0;
  --ink-faint: #6f81a6;
  --brand: #34d399;     /* worthwhile green */
  --brand-2: #22c55e;
  --amber: #f5b13d;
  --red: #f4736b;
  --accent: #5b9bff;
  --shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: radial-gradient(1200px 600px at 80% -10%, #16224080 0%, transparent 60%),
    radial-gradient(900px 500px at -10% 10%, #102a2440 0%, transparent 55%), var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(11, 18, 32, 0.78);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; gap: 18px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: -0.02em; color: var(--ink); font-size: 1.1rem; }
.brand:hover { text-decoration: none; }
.brand .shield { width: 30px; height: 30px; }
.brand small { display: block; font-weight: 500; font-size: 0.66rem; color: var(--ink-faint); letter-spacing: 0.02em; }
nav.site-nav { margin-left: auto; display: flex; gap: 6px; align-items: center; }
nav.site-nav a { color: var(--ink-dim); padding: 8px 12px; border-radius: 10px; font-weight: 600; font-size: 0.92rem; }
nav.site-nav a:hover { color: var(--ink); background: var(--card); text-decoration: none; }
nav.site-nav a.active { color: var(--ink); background: var(--card-2); }
.nav-toggle { display: none; margin-left: auto; background: var(--card); border: 1px solid var(--line); color: var(--ink); width: 42px; height: 38px; border-radius: 10px; font-size: 1.1rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero { padding: 78px 0 48px; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.08; letter-spacing: -0.03em; margin: 0 0 18px; }
.hero h1 .grad { background: linear-gradient(120deg, var(--brand), var(--accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero .lede { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: var(--ink-dim); max-width: 680px; margin: 0 0 28px; }
.eyebrow { display: inline-block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--brand); background: #34d39915; border: 1px solid #34d39933; padding: 5px 12px; border-radius: 999px; margin-bottom: 20px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }

/* Hero artwork */
.hero-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: center; }
.hero-copy { min-width: 0; }
.hero-art { display: flex; justify-content: center; }
.hero-art img { width: 100%; max-width: 470px; height: auto; display: block; filter: drop-shadow(0 24px 44px rgba(0, 0, 0, 0.45)); }
.page-banner { width: 100%; height: auto; display: block; border-radius: 20px; margin: 26px 0 4px; box-shadow: var(--shadow); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-weight: 700; font-size: 0.95rem; cursor: pointer; border: 1px solid transparent; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(120deg, var(--brand-2), var(--brand)); color: #06281c; }
.btn-ghost { background: var(--card); border-color: var(--line); color: var(--ink); }

/* ---------- Sections ---------- */
section.block { padding: 52px 0; }
.section-head { margin-bottom: 28px; }
.section-head h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -0.02em; margin: 0 0 8px; }
.section-head p { color: var(--ink-dim); max-width: 640px; margin: 0; }
.divider { border: 0; border-top: 1px solid var(--line); margin: 0; }

/* ---------- Metric explainer cards ---------- */
.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.metric-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.metric-card .num { font-size: 0.8rem; font-weight: 800; color: var(--ink-faint); letter-spacing: 0.1em; }
.metric-card h3 { margin: 6px 0 8px; font-size: 1.25rem; }
.metric-card p { color: var(--ink-dim); margin: 0 0 12px; font-size: 0.95rem; }
.metric-card .scale { font-size: 0.82rem; color: var(--ink-faint); display: flex; justify-content: space-between; }

/* ---------- Taxonomy grid ---------- */
.taxonomy { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.tax-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; background: var(--card); }
.tax-card h3 { margin: 0 0 6px; display: flex; align-items: center; gap: 10px; font-size: 1.2rem; }
.tax-card .dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.tax-card p { color: var(--ink-dim); margin: 6px 0; font-size: 0.95rem; }
.tax-card .eg { font-size: 0.85rem; color: var(--ink-faint); }
.band-good .dot, .dot.good { background: var(--brand); }
.band-warn .dot, .dot.warn { background: var(--amber); }
.band-bad .dot, .dot.bad { background: var(--red); }

/* ---------- Risk card (the computed verdict) ---------- */
.risk-card { background: linear-gradient(180deg, var(--card-2), var(--card)); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin: 26px 0; border-left: 5px solid var(--line); }
.risk-card.band-good { border-left-color: var(--brand); }
.risk-card.band-warn { border-left-color: var(--amber); }
.risk-card.band-bad { border-left-color: var(--red); }
.risk-card-top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.verdict-badge { font-weight: 800; font-size: 0.82rem; letter-spacing: 0.04em; padding: 6px 12px; border-radius: 999px; text-transform: uppercase; }
.verdict-badge.sm { font-size: 0.68rem; padding: 4px 9px; }
.verdict-badge.band-good { background: #34d39920; color: var(--brand); border: 1px solid #34d39955; }
.verdict-badge.band-warn { background: #f5b13d20; color: var(--amber); border: 1px solid #f5b13d55; }
.verdict-badge.band-bad { background: #f4736b20; color: var(--red); border: 1px solid #f4736b55; }
.verdict-tagline { color: var(--ink-dim); font-size: 0.98rem; }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 18px; }
.metric-head { display: flex; justify-content: space-between; align-items: baseline; }
.metric-name { font-weight: 700; font-size: 0.95rem; }
.metric-num { font-size: 0.8rem; color: var(--ink-faint); font-weight: 700; }
.metric-hint { font-size: 0.78rem; color: var(--ink-faint); margin: 4px 0 0; }
.stars { display: inline-flex; gap: 1px; margin-top: 4px; }
.star { font-size: 0.95rem; line-height: 1; }
.star.on { color: var(--amber); }
.star.off { color: #2c3a5e; }

.residual { border-top: 1px dashed var(--line); padding-top: 14px; margin-top: 4px; }
.residual-label { display: block; font-size: 0.8rem; color: var(--ink-faint); margin-bottom: 4px; }
.residual-num { margin-left: 8px; font-size: 0.8rem; color: var(--ink-faint); font-weight: 700; }
.verdict-reco { margin: 14px 0 0; font-size: 0.98rem; color: var(--ink); background: #0b122060; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }

/* ---------- Calculator ---------- */
.calc { display: grid; grid-template-columns: 1fr 1.1fr; gap: 24px; align-items: start; }
.calc-controls { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.slider-group { margin-bottom: 22px; }
.slider-group:last-child { margin-bottom: 0; }
.slider-label { display: flex; justify-content: space-between; font-weight: 700; margin-bottom: 8px; }
.slider-label .v { color: var(--amber); font-variant-numeric: tabular-nums; }
.slider-group p { margin: 0 0 10px; font-size: 0.82rem; color: var(--ink-faint); }
input[type="range"] { width: 100%; accent-color: var(--brand); height: 6px; }

/* ---------- Post cards grid ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.post-card { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; color: var(--ink); transition: transform 0.15s, border-color 0.15s; }
.post-card:hover { text-decoration: none; transform: translateY(-3px); border-color: #34507f; }
.post-card-emoji { font-size: 2.2rem; padding: 22px 22px 0; }
.post-card-body { padding: 12px 22px 22px; display: flex; flex-direction: column; gap: 8px; }
.post-card-body h3 { margin: 4px 0 0; font-size: 1.15rem; line-height: 1.25; }
.post-card-activity { font-size: 0.82rem; color: var(--ink-faint); margin: 0; }
.post-card-summary { color: var(--ink-dim); font-size: 0.92rem; margin: 0; }
.post-card-meta { font-size: 0.78rem; color: var(--ink-faint); margin-top: auto; padding-top: 6px; }

/* ---------- Single post ---------- */
.post { max-width: 760px; margin: 0 auto; padding: 36px 0 64px; }
.post-header { margin-bottom: 8px; }
.post-emoji-lg { font-size: 3rem; }
.post-tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.tag { font-size: 0.74rem; color: var(--ink-dim); background: var(--card); border: 1px solid var(--line); padding: 3px 9px; border-radius: 999px; }
.post-header h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.12; letter-spacing: -0.02em; margin: 6px 0 10px; }
.post-activity { color: var(--ink-dim); margin: 0; }
.post-meta { color: var(--ink-faint); font-size: 0.85rem; margin: 4px 0 0; }
.post-body { font-size: 1.07rem; }
.post-body p { margin: 0 0 18px; }
.post-section { margin: 34px 0; }
.post-section h2 { font-size: 1.35rem; letter-spacing: -0.01em; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.measures, .action-plan { padding-left: 22px; }
.measures li, .action-plan li { margin: 9px 0; }
.post-section.action { background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--brand); border-radius: var(--radius); padding: 22px 24px; }
.action-intro { color: var(--ink-dim); margin-top: 0; }
.back-link { display: inline-block; margin-top: 24px; font-weight: 600; }

/* ---------- Social ---------- */
.socials { display: flex; gap: 12px; flex-wrap: wrap; }
.social-btn { display: inline-flex; align-items: center; gap: 9px; padding: 11px 16px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); color: var(--ink); font-weight: 600; font-size: 0.92rem; }
.social-btn:hover { text-decoration: none; border-color: #34507f; transform: translateY(-1px); }
.social-btn .ico { width: 20px; height: 20px; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, #102a24, #14213f); border: 1px solid var(--line); border-radius: 20px; padding: 40px; text-align: center; }
.cta-band h2 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2rem); }
.cta-band p { color: var(--ink-dim); max-width: 560px; margin: 0 auto 22px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; color: var(--ink-faint); font-size: 0.9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 20px; justify-content: space-between; align-items: center; }
.site-footer .foot-links { display: flex; gap: 16px; flex-wrap: wrap; }
.site-footer a { color: var(--ink-dim); }

/* ---------- Prose pages (philosophy) ---------- */
.prose { max-width: 760px; margin: 0 auto; }
.prose h2 { font-size: 1.5rem; letter-spacing: -0.01em; margin-top: 40px; }
.prose h3 { font-size: 1.18rem; margin-top: 28px; }
.prose p, .prose li { color: var(--ink); font-size: 1.05rem; }
.prose blockquote { border-left: 4px solid var(--brand); margin: 24px 0; padding: 6px 18px; color: var(--ink-dim); background: var(--card); border-radius: 0 12px 12px 0; }
.callout { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 22px 0; }
.callout strong { color: var(--brand); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .three, .taxonomy, .cards, .metrics, .calc, .hero-grid { grid-template-columns: 1fr; }
  .hero-art { margin-top: 6px; }
  .hero-art img { max-width: 360px; }
  nav.site-nav { position: absolute; top: 64px; right: 0; left: 0; flex-direction: column; align-items: stretch; background: var(--bg-soft); border-bottom: 1px solid var(--line); padding: 10px 22px; display: none; }
  nav.site-nav.open { display: flex; }
  .nav-toggle { display: block; }
}