/* Provectio Site — Regulatory Evidence
   Design atoms from B1: institutional white, square termination, Inter/JetBrains Mono,
   semantic colour discipline (no decorative colour). */

:root {
  --bg: #FFFFFF;
  --bg-raised: #F7F8FA;
  --bg-card: #F0F2F5;
  --text: #1A1A2E;
  --text-muted: #5C6370;
  --accent: #1E40AF;
  --accent-light: #2563EB;
  --border: #D1D5DB;

  /* Force channels — semantic, not decorative */
  --force-do: #2563EB;
  --force-demand: #DC2626;
  --force-declare: #059669;
  --force-situate: #D97706;

  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", "Fira Code", monospace;
  --radius: 2px; /* Minimal — precision, not friendliness */
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}
a:hover { color: var(--text); }

/* ── Navigation ── */

.site-nav {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-mark {
  font-family: var(--font);
  font-weight: 700;
  font-size: 20px;
  color: var(--accent);
}

.brand-name {
  font-family: var(--font);
  font-weight: 600;
  font-size: 16px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 6px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.nav-cta:hover { background: var(--accent-light); }

/* ── Main content ── */

main {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  padding-top: 56px; /* nav height */
}

section {
  padding: 80px 0;
  border-bottom: 1px solid var(--border);
}
section:last-child { border-bottom: none; }

h1 {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
  max-width: 780px;
}

h2 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text);
  margin-bottom: 16px;
}

h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

p {
  color: var(--text-muted);
  max-width: 680px;
  margin-bottom: 12px;
}

/* ── Hero ── */

.hero {
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero-category {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 20px;
}

.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  margin-top: 24px;
  max-width: 640px;
}

/* ── Deadline ── */

.deadline {
  padding: 48px 0;
}

.deadline-inner {
  display: flex;
  gap: 64px;
}

.deadline-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-number {
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 600;
  color: #DC2626;
}

.stat-label {
  font-size: 14px;
  color: var(--text-muted);
}

/* ── Stats grid ── */

.stats-intro {
  margin-bottom: 32px;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.stat-card {
  background: var(--bg-raised);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-value {
  font-family: var(--mono);
  font-size: 36px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.02em;
}

.stat-desc {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ── Force bars demo ── */

.force-example p {
  margin-bottom: 24px;
}

.force-demo {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 24px 32px;
  max-width: 560px;
}

.force-bar {
  display: grid;
  grid-template-columns: 140px 1fr 48px;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}

.force-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
}

.force-track {
  height: 10px;
  background: var(--bg-card);
  position: relative;
}

.force-fill {
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  /* Square termination — no border-radius. DD-W04, shape psychology. */
}

.force-do { background: var(--force-do); }
.force-demand { background: var(--force-demand); }
.force-declare { background: var(--force-declare); }
.force-situate { background: var(--force-situate); }

.force-value {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.force-caption {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 16px;
  font-style: italic;
}

/* ── Tiers ── */

.tiers-intro {
  margin-bottom: 32px;
}

.tiers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.tier-card {
  background: var(--bg-raised);
  padding: 32px 24px;
}

.tier-featured {
  background: var(--bg-card);
  border-top: 2px solid var(--accent);
}

.tier-price {
  font-family: var(--mono);
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
  margin: 12px 0 4px;
}

.tier-time {
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 12px;
}

.tier-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ── Expansion ── */

.domain-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0;
}

.domain-tag {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

.expansion-next {
  font-size: 14px;
  color: var(--text-muted);
  font-style: italic;
}

/* ── Partner CTA ── */

.partner-cta {
  text-align: left;
}

.partner-cta p {
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 600px;
}

.cta-button {
  display: inline-block;
  background: var(--accent);
  color: #fff !important;
  padding: 12px 28px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius);
  transition: background 0.15s;
}
.cta-button:hover { background: var(--accent-light); }

/* ── Proof ── */

.proof {
  padding: 40px 0;
}

.proof-grid {
  display: flex;
  gap: 48px;
}

.proof-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.proof-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.proof-link {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--accent) !important;
}

.proof-text {
  font-size: 14px;
  color: var(--text);
}

/* ── Footer ── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
}

.footer-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-footer p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 0;
}

.footer-links {
  display: flex;
  gap: 20px;
  font-size: 12px;
}

/* ── Responsive ── */

@media (max-width: 768px) {
  h1 { font-size: 28px; }
  .deadline-inner { flex-direction: column; gap: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .tiers-grid { grid-template-columns: 1fr; }
  .proof-grid { flex-direction: column; gap: 16px; }
  .footer-inner { flex-direction: column; gap: 12px; text-align: center; }
  .nav-links { gap: 16px; font-size: 13px; }
}