:root {
  --accent: #C4622D;
  --paper: #FAF8F5;
  --ink: #17150F;
  --muted: #A39B8E;
  --body: #4A453C;
  --text: #2E2A24;
  --cream: #F4F1EC;
  --line: #E0DAD1;
  --hatch: #C1B9AC;
  --font-serif: Newsreader, Georgia, serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--paper); }
body { font-family: var(--font-serif); color: var(--ink); min-height: 100vh; }
a { color: var(--accent); }
a:hover { color: var(--ink); }
.page { background: var(--paper); min-height: 100vh; }
.page--col { display: flex; flex-direction: column; min-height: 100vh; }
.hidden { display: none !important; }
.kicker {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.kicker--accent { color: var(--accent); }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 40px;
  border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); }
.logo:hover { color: var(--ink); }
.logo-name { font-size: 21px; font-weight: 500; letter-spacing: -0.01em; }
.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  overflow-x: auto;
}
.nav-link { color: var(--body); text-decoration: none; white-space: nowrap; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--accent); }
.banner {
  padding: 72px 40px 40px;
  max-width: 1080px;
  margin: 0 auto;
}
.banner h1 {
  margin: 14px 0 0;
  font-size: 44px;
  line-height: 1.08;
  font-weight: 400;
  letter-spacing: -0.03em;
  max-width: 22ch;
  text-wrap: pretty;
}
.banner .deck {
  margin: 20px 0 0;
  font-size: 20px;
  line-height: 1.6;
  color: var(--body);
  max-width: 62ch;
  text-wrap: pretty;
}
.banner-actions { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; margin-top: 28px; }
.btn-accent {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  background: var(--accent);
  color: var(--paper);
  text-decoration: none;
  padding: 14px 22px;
  border-radius: 2px;
  display: inline-block;
  border: none;
  cursor: pointer;
}
.btn-accent:hover { background: var(--ink); color: var(--paper); }
.link-under {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  padding-bottom: 3px;
}
.link-under:hover { color: var(--accent); }
.link-under--muted { color: var(--body); border-bottom-color: var(--line); }

.desk { max-width: 1080px; margin: 0 auto; padding: 24px 40px 80px; }
.tabs, .desk-tabs {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
  -webkit-overflow-scrolling: touch;
}
.tab, .desk-tab {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--body);
  padding: 12px 16px;
  cursor: pointer;
  white-space: nowrap;
}
.tab:hover, .desk-tab:hover { color: var(--ink); }
.tab.is-active, .desk-tab.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.table-wrap { overflow-x: auto; }
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 16px;
}
.spec-table th, .spec-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec-table thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 500;
}
.spec-table tbody th { font-weight: 400; width: 28%; }
.group-row th {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--cream);
  padding: 10px 16px;
}
.field-btn {
  font-family: var(--font-serif);
  font-size: 16px;
  background: none;
  border: none;
  border-bottom: 1px dotted var(--accent);
  color: var(--ink);
  padding: 0;
  cursor: pointer;
  text-align: left;
}
.field-btn:hover { color: var(--accent); }
.blank-cell { min-width: 140px; }
.hatch {
  display: block;
  height: 18px;
  background: repeating-linear-gradient(-45deg, transparent, transparent 3px, var(--hatch) 3px, var(--hatch) 4px);
  opacity: 0.45;
  margin-bottom: 6px;
}
.src-date {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}
.cat-letter {
  font-family: var(--font-mono);
  font-size: 10px;
  margin-left: 8px;
  color: var(--muted);
}

.details-panel {
  margin-top: 32px;
  padding: 28px 32px;
  border: 1px solid var(--line);
  background: var(--cream);
}
.details-title { margin: 0; font-size: 24px; font-weight: 400; }
.details-meaning { margin: 12px 0 20px; font-size: 17px; line-height: 1.6; color: var(--body); max-width: 60ch; }
.details-cells { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.method-foot {
  max-width: 1080px;
  margin: 0 auto;
  padding: 8px 40px 88px;
}
.method-foot h2 { margin: 12px 0 20px; font-size: 28px; font-weight: 400; letter-spacing: -0.02em; }
.method-list { margin: 0; padding-left: 20px; max-width: 62ch; color: var(--body); font-size: 18px; line-height: 1.7; }
.method-list li { margin-bottom: 8px; }

.page-hero { max-width: 1080px; margin: 0 auto; padding: 72px 40px 40px; }
.page-hero h1 { margin: 14px 0 0; font-size: 42px; line-height: 1.08; font-weight: 400; letter-spacing: -0.025em; max-width: 22ch; text-wrap: pretty; }
.page-hero .lede { margin: 20px 0 0; font-size: 19px; line-height: 1.65; color: var(--body); max-width: 62ch; text-wrap: pretty; }

.prose { max-width: 1080px; margin: 0 auto; padding: 24px 40px 88px; }
.how-article { display: grid; grid-template-columns: 0.38fr 0.62fr; gap: 48px; padding: 36px 0; border-top: 1px solid var(--line); }
.how-article h2 { margin: 0; font-size: 28px; font-weight: 400; letter-spacing: -0.02em; }
.how-copy p { margin: 0 0 14px; font-size: 18px; line-height: 1.68; color: var(--text); text-wrap: pretty; }
.how-num { font-family: var(--font-mono); font-size: 12px; color: var(--accent); display: block; margin-bottom: 8px; }
.limits { background: var(--cream); border-top: 1px solid var(--line); }
.limits-inner { max-width: 1080px; margin: 0 auto; padding: 64px 40px; display: grid; grid-template-columns: 0.38fr 0.62fr; gap: 48px; }
.limits h2 { margin: 10px 0 0; font-size: 28px; font-weight: 400; }

.method-layout { max-width: 1080px; margin: 0 auto; padding: 0 40px 80px; display: grid; grid-template-columns: 0.28fr 0.72fr; gap: 48px; }
.toc { padding-top: 40px; }
.toc-inner { position: sticky; top: 24px; display: flex; flex-direction: column; gap: 10px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.06em; text-transform: uppercase; }
.toc a { color: var(--body); text-decoration: none; }
.toc a:hover { color: var(--accent); }
.method-main { padding: 40px 0; display: flex; flex-direction: column; gap: 48px; }
.method-sec h2 { margin: 0 0 14px; font-size: 26px; font-weight: 400; }
.method-sec p { margin: 0 0 14px; font-size: 18px; line-height: 1.68; color: var(--text); }
.method-sec ol, .method-sec ul { margin: 0; padding-left: 22px; font-size: 18px; line-height: 1.68; color: var(--text); }
.log-box { border: 1px solid var(--line); background: var(--cream); padding: 22px 24px; }

.brand-list { display: flex; flex-direction: column; gap: 0; }
.brand { border-top: 1px solid var(--line); padding: 28px 0; display: grid; grid-template-columns: 0.28fr 0.72fr; gap: 24px; }
.brand h3 { margin: 0; font-size: 24px; font-weight: 400; }
.sys-row { display: grid; grid-template-columns: 0.32fr 0.68fr; gap: 16px; padding: 16px 0; border-top: 1px solid var(--line); }
.sys-row:first-child { border-top: none; padding-top: 0; }
.mount-name { display: block; font-size: 18px; }
.mount-fmt { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); }
.sys-who p { margin: 0 0 12px; color: var(--body); font-size: 16px; line-height: 1.55; }
.placeholders { display: flex; gap: 24px; flex-wrap: wrap; }
.ph { flex: 1; min-width: 140px; }
.ph-label { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
.hatch--sm { height: 14px; }
.sys-note { max-width: 1080px; margin: 0 auto; padding: 0 40px 80px; font-size: 18px; line-height: 1.65; color: var(--body); }
.sys-note p { max-width: 62ch; }

.about-quote { margin: 24px 0 0; font-size: 24px; font-style: italic; color: var(--accent); max-width: 36ch; }
.about-copy { max-width: 1080px; margin: 0 auto; padding: 8px 40px 88px; }
.about-copy p { max-width: 58ch; font-size: 18px; line-height: 1.68; color: var(--text); }

.wait-grid { max-width: 1080px; margin: 0 auto; padding: 64px 40px 88px; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; }
.wait-copy h1 { margin: 12px 0 16px; font-size: 36px; font-weight: 400; letter-spacing: -0.02em; max-width: 18ch; }
.wait-copy p { font-size: 18px; line-height: 1.65; color: var(--body); }
.form-card { border: 1px solid var(--line); padding: 32px; background: var(--cream); }
.wait-form { display: flex; flex-direction: column; gap: 16px; }
.field-label { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-bottom: 6px; }
input[type="email"], textarea {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
}
.wait-form button { align-self: flex-start; }
.fine, .browser-note, .note, .static-note { font-size: 15px; color: var(--body); line-height: 1.55; }
.thanks h2 { font-size: 26px; font-weight: 400; }
.thanks-actions { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 16px; }

.privacy { max-width: 720px; margin: 0 auto; padding: 64px 40px 88px; }
.privacy h1 { font-size: 36px; font-weight: 400; letter-spacing: -0.02em; }
.privacy p { font-size: 18px; line-height: 1.68; color: var(--text); }

.site-footer { border-top: 1px solid var(--line); padding: 40px 40px 56px; margin-top: auto; }
.footer-inner { max-width: 1080px; margin: 0 auto; display: flex; flex-wrap: wrap; gap: 48px; justify-content: space-between; }
.footer-brand { max-width: 280px; }
.footer-brand-name { font-size: 19px; }
.footer-brand p { margin: 8px 0 0; font-size: 15px; line-height: 1.55; color: var(--body); }
.footer-cols { display: flex; gap: 56px; font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.07em; text-transform: uppercase; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col span { color: var(--muted); }
.footer-col a { color: var(--body); text-decoration: none; }
.footer-col a:hover { color: var(--accent); }

.how-pane p { font-size: 18px; line-height: 1.68; color: var(--text); max-width: 62ch; }

@media (max-width: 800px) {
  .site-header { flex-direction: column; align-items: flex-start; padding: 16px 20px; }
  .banner, .desk, .method-foot, .page-hero, .prose, .sys-note, .about-copy, .wait-grid, .privacy { padding-left: 20px; padding-right: 20px; }
  .banner h1, .page-hero h1 { font-size: 32px; }
  .how-article, .limits-inner, .method-layout, .brand, .sys-row, .wait-grid { grid-template-columns: 1fr; }
  .toc { display: none; }
}

.col-pickers {
  display: grid;
  grid-template-columns: 28% 1fr 1fr;
  gap: 0;
  align-items: start;
  margin: 0 0 12px;
}
.col-picker {
  position: relative;
  padding: 0 16px 8px;
}
.col-picker-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 6px;
}
.col-picker-input {
  width: 100%;
  font-family: var(--font-serif);
  font-size: 16px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  border-radius: 2px;
}
.col-picker-input::placeholder {
  color: var(--muted);
  font-style: italic;
}
.col-picker-input:focus {
  outline: none;
  border-color: var(--ink);
}
.col-picker-list {
  position: absolute;
  z-index: 4;
  left: 16px;
  right: 16px;
  top: 100%;
  margin: 0;
  padding: 4px 0;
  list-style: none;
  background: var(--paper);
  border: 1px solid var(--line);
  box-shadow: 0 8px 18px rgba(23, 21, 15, 0.06);
}
.col-picker-list [role="option"] {
  padding: 10px 12px;
  font-size: 16px;
  cursor: pointer;
  color: var(--ink);
}
.col-picker-list [role="option"]:hover,
.col-picker-list [role="option"][aria-selected="true"] {
  background: var(--cream);
}
.col-picker-empty {
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
@media (max-width: 800px) {
  .col-pickers { grid-template-columns: 1fr; }
  .col-pickers-spacer { display: none; }
}