/* ============================================================
   DBNR.AI — THE BUREAU DESIGN SYSTEM (Carbon Copy Modern)
   Direction 4, picked by Todd 2026-09-07.
   Editorial grid + serious reading typography; the memo DNA
   (mono metadata, thin rules, one red stamp) lives in accents.
   Deliberate single look: paper-light, no theme toggle.
   ============================================================ */

:root {
  --bond: #faf7f1;        /* paper ground */
  --sheet: #ffffff;       /* raised card */
  --ink: #16130e;         /* primary text */
  --mid: #5f594c;         /* secondary text */
  --faint: #d9d2c2;       /* hairlines */
  --red: #b3261e;         /* THE stamp red — used sparingly */
  --red-wash: rgba(179, 38, 30, 0.07);
  --serif: 'Fraunces', Georgia, serif;
  --sans: 'Libre Franklin', 'Helvetica Neue', Arial, sans-serif;
  --mono: 'IBM Plex Mono', 'Courier New', monospace;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bond);
  color: var(--ink);
  line-height: 1.65;
  font-size: 16px;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

::selection { background: var(--red-wash); }

a { color: inherit; }

/* ---------- masthead ---------- */
.masthead {
  border-bottom: 1.5px solid var(--ink);
  background: var(--bond);
  position: sticky;
  top: 0;
  z-index: 100;
}
.masthead-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 18px 24px 14px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px 24px;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 900;
  font-size: 1.45rem;
  letter-spacing: 0.5px;
  text-decoration: none;
}
.wordmark span { color: var(--red); }
.mastnav { display: flex; flex-wrap: wrap; gap: 8px 22px; list-style: none; }
.mastnav a {
  font-size: 0.72rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--mid);
  padding-bottom: 2px;
  border-bottom: 2px solid transparent;
}
.mastnav a:hover, .mastnav a.on { color: var(--ink); border-bottom-color: var(--red); }

/* ---------- kicker / mono metadata ---------- */
.kick {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 2.5px;
  color: var(--red);
  text-transform: uppercase;
}
.meta {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 1px;
  color: var(--mid);
  text-transform: uppercase;
}

/* ---------- hero ---------- */
.hero { padding: 72px 0 48px; }
.hero .kick { margin-bottom: 16px; display: block; }
h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.12;
  max-width: 21ch;
}
h1 em, h2 em { font-style: italic; }
.lede {
  margin-top: 20px;
  font-size: 1.05rem;
  color: var(--mid);
  max-width: 62ch;
}
.lede strong { color: var(--ink); font-weight: 600; }

/* ---------- section headers ---------- */
.rule-head {
  margin-top: 64px;
  padding-top: 14px;
  border-top: 1.5px solid var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
}
h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.5rem;
}
h3 { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; }

/* ---------- question list ---------- */
.qlist { list-style: none; }
.qitem { border-bottom: 1px solid var(--faint); }
.qitem a {
  display: flex;
  gap: 18px;
  align-items: baseline;
  padding: 17px 4px;
  text-decoration: none;
}
.qitem a:hover { background: var(--sheet); }
.qnum {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--red);
  min-width: 30px;
  flex-shrink: 0;
}
.qtext { font-family: var(--serif); font-weight: 600; font-size: 1.08rem; line-height: 1.35; }
.qstatus {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 1px;
  color: var(--mid);
  white-space: nowrap;
  text-transform: uppercase;
  padding-left: 12px;
}
@media (max-width: 620px) { .qstatus { display: none; } }

/* ---------- stamp ---------- */
.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  border: 1.5px solid var(--ink);
  padding: 3px 10px;
  background: var(--sheet);
  color: var(--ink);
}
.stamp.red { border-color: var(--red); color: var(--red); background: var(--red-wash); }

/* ---------- memo card ---------- */
.memo {
  background: var(--sheet);
  border: 1px solid var(--faint);
  border-top: 3px solid var(--ink);
  padding: 20px 22px;
}
.memo .meta { display: block; margin-bottom: 8px; }
.memo h3 { margin-bottom: 8px; }
.memo p { font-size: 0.92rem; color: var(--mid); }
.memo .stamp { margin-top: 14px; }
.memo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 24px;
}

/* ---------- stations ---------- */
.stations {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.station {
  border: 1.5px solid var(--ink);
  background: var(--sheet);
  padding: 20px 22px;
  text-decoration: none;
  display: block;
}
.station:hover { box-shadow: 4px 4px 0 var(--faint); }
.station .meta { display: block; margin-bottom: 6px; }
.station h3 { margin-bottom: 6px; }
.station p { font-size: 0.88rem; color: var(--mid); }

/* ---------- long-form article ---------- */
.article { padding: 56px 0 24px; }
.article-body { max-width: 68ch; margin-top: 8px; }
.article-body p { margin: 18px 0; font-size: 1.02rem; }
.article-body h2 { margin: 44px 0 6px; padding-top: 14px; border-top: 1.5px solid var(--ink); }
.article-body h3 { margin: 28px 0 4px; }
.article-body ul { margin: 18px 0 18px 22px; }
.article-body li { margin: 8px 0; font-size: 1.0rem; }
.article-body blockquote {
  margin: 24px 0;
  padding: 14px 20px;
  border-left: 3px solid var(--red);
  background: var(--sheet);
  font-family: var(--serif);
  font-size: 1.08rem;
  font-style: italic;
}
.article-body .meta { display: block; margin-top: 40px; }

/* ---------- experiments table ---------- */
.exp-table { width: 100%; border-collapse: collapse; margin-top: 18px; }
.exp-table th {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--mid);
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1.5px solid var(--ink);
}
.exp-table td { padding: 12px 10px; border-bottom: 1px solid var(--faint); font-size: 0.95rem; vertical-align: top; }
.exp-table td:first-child { font-family: var(--serif); font-weight: 600; white-space: nowrap; }
.exp-table a { color: var(--ink); }
.table-scroll { overflow-x: auto; }

/* ---------- FAQ ---------- */
.faq { margin-top: 18px; max-width: 68ch; }
.faq details { border-bottom: 1px solid var(--faint); padding: 4px 0; }
.faq summary {
  cursor: pointer;
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.02rem;
  padding: 12px 4px;
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq summary::after { content: "+"; position: absolute; right: 8px; font-family: var(--mono); color: var(--red); }
.faq details[open] summary::after { content: "\2212"; }
.faq details p { padding: 0 4px 16px; color: var(--mid); font-size: 0.96rem; }

/* ---------- honesty bar ---------- */
.honesty {
  margin-top: 64px;
  border: 1.5px solid var(--ink);
  background: var(--sheet);
  padding: 16px 20px;
  display: flex;
  gap: 16px;
  align-items: baseline;
  flex-wrap: wrap;
}
.honesty p { font-size: 0.9rem; color: var(--mid); max-width: 70ch; }

/* ---------- CTA button ---------- */
.btn {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 1.6px;
  text-transform: uppercase;
  border: 1.5px solid var(--ink);
  background: var(--ink);
  color: var(--bond);
  padding: 11px 22px;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--red); border-color: var(--red); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--sheet); color: var(--ink); border-color: var(--ink); }

/* ---------- footer ---------- */
footer {
  margin-top: 80px;
  border-top: 1.5px solid var(--ink);
  padding: 22px 0 40px;
}
.foot-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 14px 24px;
}
.foot-links { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.foot-links a { font-size: 0.78rem; color: var(--mid); text-decoration: none; }
.foot-links a:hover { color: var(--ink); }
.disclosure { font-size: 0.78rem; color: var(--mid); max-width: 56ch; }
.foot-stamp {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 2px;
  border: 1.5px solid var(--ink);
  padding: 3px 10px;
  white-space: nowrap;
}

/* ---------- type-in (house motion, used once per page) ---------- */
.typein::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 0.85em;
  background: var(--red);
  margin-left: 3px;
  vertical-align: -2px;
  animation: bureau-caret 1s steps(1) infinite;
}
.typein.done::after { display: none; }
@keyframes bureau-caret { 50% { opacity: 0; } }
@media (prefers-reduced-motion: reduce) {
  .typein::after { animation: none; }
}