/*
 * Public site for KI-Elch Seller Console.
 * Same tokens as the console (web/app/globals.css) so the marketing page and
 * the product read as one system. Reference lock: data-sheet precision on a
 * warm off-white canvas, one dark data panel, gold reserved for the primary
 * action and the logomark. No cards for grouping; rules and bands instead.
 */

:root {
  color-scheme: light;
  --page: #f6f6f3;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --panel: #15151f;
  --panel-2: #1d1d2b;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #898781;
  --panel-ink: #a9a9bd;
  --panel-ink-strong: #f2f2f7;
  --hairline: rgba(11, 11, 11, 0.12);
  --hairline-soft: rgba(11, 11, 11, 0.06);
  --gold: #e2b13c;
  --gold-ink: #8a6414;
  --good: #0ca30c;
  --warn-text: #7a5200;
  --radius: 12px;
  --radius-sm: 8px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { height: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100%;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.15; letter-spacing: -0.02em; text-wrap: balance; }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); font-weight: 650; letter-spacing: -0.03em; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); font-weight: 650; }
h3 { font-size: 1.05rem; font-weight: 650; }
p { margin: 0; text-wrap: pretty; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--ink-2); }
.small { font-size: 0.875rem; }
.mono { font-family: var(--mono); font-size: 0.85em; }
.eyebrow {
  font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 600; margin-bottom: 0.75rem;
}

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 10;
  background: rgba(246, 246, 243, 0.9);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--hairline-soft);
}
.top .wrap { display: flex; align-items: center; gap: 1.5rem; height: 64px; }
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.brand svg { width: 32px; height: 32px; flex: none; }
.brand .wordmark { font-weight: 700; font-size: 0.95rem; letter-spacing: -0.01em; line-height: 1.15; }
.brand .by { display: block; font-size: 0.7rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-3); font-weight: 500; }
.top nav { margin-left: auto; display: flex; align-items: center; gap: 1.25rem; }
.top nav a { text-decoration: none; color: var(--ink-2); font-size: 0.9rem; }
.top nav a:hover { color: var(--ink); }
.top nav .menu { display: flex; gap: 1.25rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.65rem 1.1rem; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.925rem; text-decoration: none; line-height: 1.2;
  border: 1px solid transparent; cursor: pointer; white-space: nowrap;
}
.btn-primary { background: var(--gold); color: var(--panel); border-color: #c9992b; }
.btn-primary:hover { background: #ecbd4a; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--hairline); }
.btn-ghost:hover { background: var(--surface); }
.btn-sm { padding: 0.45rem 0.8rem; font-size: 0.85rem; }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; border-radius: 4px; }

/* ---------- hero ---------- */
.hero { padding: 72px 0 64px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.hero .lede { font-size: 1.15rem; color: var(--ink-2); margin: 1.25rem 0 1.75rem; max-width: 34rem; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: center; }
.hero .note { margin-top: 1rem; font-size: 0.85rem; color: var(--ink-3); }

/* the dark data panel — the memorable move; real tool output shape */
.console {
  background: var(--panel); color: var(--panel-ink); border-radius: var(--radius);
  padding: 1.1rem 1.25rem 1.25rem; font-family: var(--mono); font-size: 0.8rem; line-height: 1.55;
  box-shadow: 0 1px 2px rgba(11,11,11,0.06), 0 18px 40px rgba(11,11,11,0.12);
  overflow-x: auto;
}
.console .bar { display: flex; justify-content: space-between; gap: 1rem; color: var(--panel-ink); font-size: 0.72rem; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 0.9rem; }
.console .bar b { color: var(--gold); font-weight: 600; }
.console table { width: 100%; border-collapse: collapse; }
.console th, .console td { text-align: left; padding: 0.38rem 0.5rem; border-bottom: 1px solid rgba(255,255,255,0.07); white-space: nowrap; }
.console th { color: var(--panel-ink); font-weight: 500; font-size: 0.7rem; letter-spacing: 0.06em; text-transform: uppercase; }
.console td { color: var(--panel-ink-strong); }
.console td.n, .console th.n { text-align: right; font-variant-numeric: tabular-nums; }
.console td:last-child, .console th:last-child { white-space: normal; min-width: 11em; }
.console tr.total td { border-bottom: 0; border-top: 1px solid rgba(255,255,255,0.18); color: #fff; font-weight: 600; }
.console .flag { color: var(--gold); }
.console .foot { margin-top: 0.9rem; color: var(--panel-ink); font-size: 0.72rem; }
.console .foot span { color: var(--gold); }

/* ---------- boundary strip ---------- */
.strip { border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline); background: var(--surface); }
.strip .wrap { display: grid; grid-template-columns: repeat(3, 1fr); }
.strip div { padding: 1.25rem 1.5rem 1.25rem 0; }
.strip div + div { border-left: 1px solid var(--hairline-soft); padding-left: 1.5rem; }
.strip b { display: block; font-weight: 650; margin-bottom: 0.15rem; }
.strip span { color: var(--ink-2); font-size: 0.9rem; }

/* ---------- sections ---------- */
section.block { padding: 80px 0; }
section.alt { background: var(--surface); border-top: 1px solid var(--hairline-soft); border-bottom: 1px solid var(--hairline-soft); }
.head { max-width: 40rem; margin-bottom: 2.5rem; }
.head p { margin-top: 0.75rem; color: var(--ink-2); font-size: 1.05rem; }

/* ledger of capabilities: rules, not cards */
.ledger { border-top: 1px solid var(--hairline); }
.ledger .row {
  display: grid; grid-template-columns: 220px minmax(0, 1fr) 200px; gap: 2rem;
  padding: 1.25rem 0; border-bottom: 1px solid var(--hairline-soft);
}
.ledger .row h3 { font-size: 1rem; }
.ledger .row .who { color: var(--ink-3); font-size: 0.85rem; }
.ledger .row .who b { color: var(--ink-2); font-weight: 600; }
.ledger .row p { color: var(--ink-2); }
.ledger .row code { font-family: var(--mono); font-size: 0.78em; background: var(--surface-2); padding: 0.1em 0.35em; border-radius: 4px; color: var(--ink); }
.group { padding: 2rem 0 0.5rem; }
.group:first-of-type { padding-top: 0; }
.group h3.g { font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-3); font-weight: 650; }

/* three-step connect */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; counter-reset: step; }
.steps div { padding-top: 1rem; border-top: 2px solid var(--ink); }
.steps div::before { counter-increment: step; content: "0" counter(step); font-family: var(--mono); font-size: 0.8rem; color: var(--ink-3); display: block; margin-bottom: 0.5rem; }
.steps h3 { margin-bottom: 0.4rem; }
.steps p { color: var(--ink-2); font-size: 0.95rem; }
.steps ul { margin: 0.6rem 0 0; padding-left: 1.1rem; color: var(--ink-2); font-size: 0.9rem; }

/* security facts as a two-column definition list */
.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 0 3rem; border-top: 1px solid var(--hairline); }
.facts div { display: grid; grid-template-columns: 180px 1fr; gap: 1.25rem; padding: 1rem 0; border-bottom: 1px solid var(--hairline-soft); }
.facts dt { font-weight: 650; font-size: 0.95rem; }
.facts dd { margin: 0; color: var(--ink-2); font-size: 0.95rem; }

/* ---------- pricing ---------- */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.plan { padding: 2rem; }
.plan + .plan { border-left: 1px solid var(--hairline); }
.plan.lead { background: var(--panel); color: var(--panel-ink-strong); }
.plan .name { font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; font-weight: 650; color: var(--ink-3); }
.plan.lead .name { color: var(--panel-ink); }
.plan .price { font-size: 2.25rem; font-weight: 650; letter-spacing: -0.03em; margin-top: 0.5rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.plan .price small { font-size: 0.95rem; font-weight: 500; letter-spacing: 0; color: var(--ink-2); }
.plan.lead .price small { color: var(--panel-ink); }
.plan .alt { color: var(--ink-3); font-size: 0.9rem; margin-top: 0.25rem; }
.plan.lead .alt { color: var(--panel-ink); }
.plan .for { margin: 1.25rem 0 1rem; font-size: 0.95rem; color: var(--ink-2); }
.plan.lead .for { color: var(--panel-ink); }
.plan ul { list-style: none; margin: 0 0 1.5rem; padding: 0; }
.plan li { padding: 0.45rem 0; border-top: 1px solid var(--hairline-soft); font-size: 0.95rem; }
.plan.lead li { border-top-color: rgba(255,255,255,0.09); }
.plan .btn-ghost.on-dark { color: #fff; border-color: rgba(255,255,255,0.25); }
.plan .btn-ghost.on-dark:hover { background: rgba(255,255,255,0.06); }
.pricing-notes { margin-top: 1.25rem; color: var(--ink-3); font-size: 0.875rem; max-width: 46rem; }
.pricing-notes p + p { margin-top: 0.35rem; }
.audit { margin-top: 2.5rem; padding: 1.5rem 0 0; border-top: 1px solid var(--hairline); display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center; }
.audit p { color: var(--ink-2); margin-top: 0.25rem; }

/* ---------- contact ---------- */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact dl { margin: 0; border-top: 1px solid var(--hairline); }
.contact dl div { display: grid; grid-template-columns: 120px 1fr; gap: 1rem; padding: 0.85rem 0; border-bottom: 1px solid var(--hairline-soft); }
.contact dt { color: var(--ink-3); font-size: 0.85rem; padding-top: 0.15rem; }
.contact dd { margin: 0; }
.contact dd a { text-decoration: none; border-bottom: 1px solid var(--hairline); }
.contact dd a:hover { border-bottom-color: var(--ink); }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--hairline); padding: 2.5rem 0 3rem; color: var(--ink-3); font-size: 0.85rem; }
footer .wrap { display: grid; grid-template-columns: 1fr auto; gap: 2rem; }
footer nav { display: flex; gap: 1.25rem; flex-wrap: wrap; }
footer a { color: var(--ink-2); text-decoration: none; }
footer a:hover { color: var(--ink); }
footer .tm { margin-top: 1rem; max-width: 52rem; }

/* ---------- long-form pages (privacy, legal) ---------- */
.doc { padding: 56px 0 80px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(1.75rem, 3.6vw, 2.5rem); }
.doc .meta { color: var(--ink-3); font-size: 0.875rem; margin: 0.75rem 0 2.5rem; }
.doc h2 { font-size: 1.3rem; margin: 2.5rem 0 0.75rem; padding-top: 1.5rem; border-top: 1px solid var(--hairline-soft); }
.doc h3 { font-size: 1.05rem; margin: 1.5rem 0 0.4rem; }
.doc p, .doc li { color: var(--ink-2); }
.doc p + p { margin-top: 0.8rem; }
.doc ul { margin: 0.6rem 0 0; padding-left: 1.2rem; }
.doc li + li { margin-top: 0.3rem; }
.doc table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 0.925rem; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 0.6rem 0.75rem 0.6rem 0; border-bottom: 1px solid var(--hairline-soft); }
.doc th { font-weight: 650; color: var(--ink); font-size: 0.8rem; letter-spacing: 0.06em; text-transform: uppercase; }
.doc td { color: var(--ink-2); }
.doc address { font-style: normal; color: var(--ink-2); margin-bottom: 0.8rem; }
.doc a { color: var(--ink); }
.doc strong { color: var(--ink); }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .ledger .row { grid-template-columns: 1fr; gap: 0.35rem; }
  .facts { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 1.75rem; }
}
@media (max-width: 720px) {
  .top .wrap { height: 56px; gap: 0.75rem; }
  .brand .wordmark { font-size: 0.85rem; white-space: nowrap; }
  .brand .by { display: none; }
  .top nav .menu { display: none; }
  .hero { padding: 48px 0 40px; }
  section.block { padding: 56px 0; }
  .strip .wrap { grid-template-columns: 1fr; }
  .strip div { padding: 1rem 0; }
  .strip div + div { border-left: 0; padding-left: 0; border-top: 1px solid var(--hairline-soft); }
  .plans { grid-template-columns: 1fr; }
  .plan + .plan { border-left: 0; border-top: 1px solid var(--hairline); }
  .audit { grid-template-columns: 1fr; gap: 1rem; }
  .contact { grid-template-columns: 1fr; gap: 2rem; }
  .facts div { grid-template-columns: 1fr; gap: 0.2rem; }
  .contact dl div { grid-template-columns: 1fr; gap: 0.1rem; }
  footer .wrap { grid-template-columns: 1fr; }
  .console { font-size: 0.72rem; }
}