/* COIinbox — static marketing. No build step. */

:root {
  --ink: #1a1916;
  --ink-soft: #4a463d;
  --paper: #f4f0e8;
  --paper-2: #ebe6db;
  --card: #fbf8f2;
  --rule: #d4cfc3;
  --rule-strong: #b8b1a3;
  --navy: #1f2d3d;
  --navy-ink: #e8e4d8;
  --accent: #8b3a1a;
  --accent-soft: #f3e4d8;
  --warn: #8a5a12;
  --ok: #2f4a3a;
  --focus: #1f2d3d;
  --max: 68rem;
  --text: 38rem;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --serif: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.55;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a {
  color: var(--accent);
  text-underline-offset: 0.15em;
}

a:hover { color: var(--ink); }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.wrap-text {
  width: min(var(--text), calc(100% - 2rem));
  margin-inline: auto;
}

/* Header */

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--card);
}

.site-header .inner {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.wordmark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}

.wordmark .coi {
  letter-spacing: 0.02em;
}

.wordmark .inbox {
  font-weight: 500;
  color: var(--ink-soft);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  font-size: 0.92rem;
}

.nav a {
  color: var(--ink-soft);
  text-decoration: none;
}

.nav a:hover { color: var(--ink); text-decoration: underline; }

/* Hero */

.hero {
  padding: 3.25rem 0 2.75rem;
  border-bottom: 1px solid var(--rule);
}

.kicker {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero h1 {
  margin: 0 0 0.7rem;
  max-width: 12ch;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2.6rem, 7vw, 4.15rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.subhead {
  margin: 0 0 1.05rem;
  max-width: 28rem;
  font-family: var(--serif);
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
}

.lede {
  margin: 0 0 1.6rem;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 1.125rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
}

.btn {
  display: inline-block;
  padding: 0.65rem 1.05rem;
  background: var(--navy);
  color: var(--navy-ink);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid var(--navy);
}

.btn:hover { background: #162230; color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule-strong);
}

.btn-ghost:hover { background: var(--paper-2); color: var(--ink); }

.price-note {
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.price-note strong { color: var(--ink); font-weight: 600; }

/* Sections */

section { padding: 2.75rem 0; }

section + section { border-top: 1px solid var(--rule); }

h2 {
  margin: 0 0 0.85rem;
  font-family: var(--serif);
  font-size: 1.65rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h3 {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
}

.section-lead {
  margin: 0 0 1.5rem;
  max-width: 38rem;
  color: var(--ink-soft);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 1.15rem 1.2rem 1.2rem;
}

.card p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

.card ul {
  margin: 0.4rem 0 0;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.card li + li { margin-top: 0.25rem; }

/* Dashboard mock */

.wall {
  background: var(--card);
  border: 1px solid var(--rule);
  overflow: hidden;
}

.wall-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.wall-head strong { color: var(--ink); font-weight: 600; }

table.certs {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

table.certs th,
table.certs td {
  text-align: left;
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--rule);
  vertical-align: top;
}

table.certs th {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--paper-2);
  border-top: none;
}

table.certs td.num { font-variant-numeric: tabular-nums; }

.pill {
  display: inline-block;
  padding: 0.12rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.pill-ok { background: #dce8e0; color: var(--ok); }
.pill-soon { background: #f3e6c8; color: var(--warn); }
.pill-late { background: #f0d8d2; color: var(--accent); }

.extract-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem 1rem;
}

.extract-list li {
  padding: 0.55rem 0.7rem;
  background: var(--card);
  border: 1px solid var(--rule);
  font-size: 0.95rem;
}

.extract-list span {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 0.15rem;
}

/* Price */

.price-block {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 1.25rem;
  align-items: start;
}

.price-card {
  background: var(--navy);
  color: var(--navy-ink);
  padding: 1.4rem 1.45rem 1.5rem;
}

.price-card h2 { color: #fff; margin-bottom: 0.35rem; }

.price-card .amt {
  font-family: var(--serif);
  font-size: 2.6rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
  color: #fff;
}

.price-card .amt small {
  font-family: var(--sans);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0;
  color: #c4c0b4;
}

.price-card p { color: #c8c3b6; margin: 0.85rem 0 0; }

.fine {
  margin-top: 0.9rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

/* Form */

.form-panel {
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 0.25rem 0.25rem 1rem;
}

.form-panel .form-intro {
  padding: 1.15rem 1.2rem 0.4rem;
}

.form-panel iframe {
  display: block;
  width: 100%;
  min-height: 420px;
  border: 0;
  background: transparent;
}

.form-fallback {
  padding: 0 1.2rem 0.4rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

/* Legal pages */

.legal {
  padding: 2.5rem 0 3.5rem;
}

.legal h1 {
  margin: 0 0 0.4rem;
  font-family: var(--serif);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  letter-spacing: -0.02em;
}

.updated {
  margin: 0 0 1.75rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.legal h2 {
  margin-top: 1.75rem;
  font-size: 1.25rem;
}

.legal p, .legal li { color: var(--ink-soft); }

.legal ul { padding-left: 1.2rem; }

/* Footer */

.site-footer {
  border-top: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 1.4rem 0 1.7rem;
}

.site-footer .inner {
  width: min(var(--max), calc(100% - 2rem));
  margin-inline: auto;
}

.disclaimer {
  margin: 0 0 0.85rem;
  max-width: 42rem;
  font-size: 0.92rem;
  color: var(--ink);
}

.foot-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.foot-meta a { color: var(--ink-soft); }

@media (max-width: 800px) {
  .grid-3, .grid-2, .price-block, .extract-list { grid-template-columns: 1fr; }
  .hero { padding-top: 2.25rem; }
  table.certs { font-size: 0.85rem; }
  table.certs th:nth-child(3),
  table.certs td:nth-child(3) { display: none; }
}

@media (max-width: 520px) {
  .site-header .inner { flex-direction: column; align-items: flex-start; }
  table.certs th:nth-child(2),
  table.certs td:nth-child(2) { display: none; }
}

.hero .subhead {
  font-size: 1.15rem;
  line-height: 1.45;
  margin: 0.75rem 0 0;
  max-width: 36rem;
}

.access-form {
  display: grid;
  gap: 0.9rem;
  padding: 1.25rem 1.35rem 1.5rem;
}
.access-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink);
}
.access-form input {
  font: inherit;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--rule-strong);
  border-radius: 4px;
  background: #fff;
  color: var(--ink);
}
.access-form button { justify-self: start; margin-top: 0.25rem; }