/* Page-specific styles for /platform/* and /why/* deep-dive pages.
   Composes on top of site.css. */

/* ── Page hero (sub-pages, smaller than home hero) ─────────────────── */
.page-hero {
  position: relative;
  padding: clamp(72px, 9vw, 128px) 0 clamp(48px, 6vw, 80px);
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.page-hero__inner { display: flex; flex-direction: column; gap: var(--s-3); position: relative; }
.page-hero__inner h1 { max-width: 22ch; }
.page-hero__inner .lead { max-width: 64ch; }
.page-hero__actions { display: flex; gap: var(--s-3); flex-wrap: wrap; margin-top: var(--s-3); }

/* ── Threat row / risk card (shared with /why/* pages) ────────────── */
.threats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
@media (max-width: 720px) { .threats { grid-template-columns: 1fr; } }
.threat {
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding: var(--s-5);
  background: var(--bg-secondary);
}
.threat__head { display: flex; align-items: center; gap: var(--s-2); }
.threat__head .pill--danger { background: rgba(239,68,68,0.1); }
.threat h3 { margin: var(--s-2) 0 0; font-size: 18px; }
.threat .control { margin-top: var(--s-2); padding-top: var(--s-3); border-top: 1px solid var(--border); }
.threat .control strong { color: var(--accent-2); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; display: block; margin-bottom: 4px; }

/* ── Side-by-side feature row ─────────────────────────────────────── */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-7);
  align-items: center;
  padding: var(--s-7) 0;
  border-top: 1px solid var(--border);
}
.feature-row:first-of-type { border-top: 0; padding-top: 0; }
.feature-row--reverse > :first-child { order: 2; }
.feature-row__viz { min-width: 0; }
@media (max-width: 960px) {
  .feature-row { grid-template-columns: 1fr; gap: var(--s-5); }
  .feature-row--reverse > :first-child { order: 0; }
}

/* ── Spec table ────────────────────────────────────────────────────── */
.spec-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}
.spec-table th, .spec-table td {
  padding: 14px 18px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.spec-table th {
  font-weight: 600;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-secondary);
  position: sticky; top: 0;
}
.spec-table tbody tr:hover td { background: rgba(255,255,255,0.015); }
.spec-table td:first-child { font-weight: 500; color: var(--text-primary); }
.spec-table td.numeric { font-family: var(--font-mono); color: var(--text-secondary); }

/* ── In-page TOC ──────────────────────────────────────────────────── */
.toc {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--border);
  background: var(--bg-primary);
  position: sticky;
  top: 64px;
  z-index: 50;
  -webkit-backdrop-filter: blur(10px);
          backdrop-filter: blur(10px);
}
.toc a {
  font-size: 12.5px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}
.toc a:hover { color: var(--text-primary); background: var(--bg-tertiary); }

/* ── Two-up callouts (shared) ─────────────────────────────────────── */
.callouts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--s-4);
  align-items: start;
}
@media (max-width: 720px) { .callouts { grid-template-columns: 1fr; } }
.callout {
  min-width: 0;
  padding: var(--s-5);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.callout--danger { border-color: rgba(239,68,68,0.25); background: linear-gradient(180deg, rgba(239,68,68,0.04), transparent 60%), var(--bg-secondary); }
.callout--success { border-color: rgba(34,197,94,0.25); background: linear-gradient(180deg, rgba(34,197,94,0.04), transparent 60%), var(--bg-secondary); }
.callout h4 { display: flex; align-items: center; gap: 8px; }
.callout .codeblock pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

/* ── Spend gauge / cost graphic ───────────────────────────────────── */
.gauge {
  position: relative;
  padding: var(--s-5);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.gauge__row { display: flex; align-items: center; gap: var(--s-3); padding: 10px 0; border-bottom: 1px solid var(--border); }
.gauge__row:last-child { border-bottom: 0; }
.gauge__label { width: 30%; font-size: 13px; color: var(--text-secondary); }
.gauge__bar {
  position: relative;
  flex: 1;
  height: 10px;
  border-radius: 5px;
  background: var(--bg-tertiary-solid);
  overflow: hidden;
}
.gauge__bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
.gauge__bar i.warn { background: linear-gradient(90deg, var(--warning), var(--danger)); }
.gauge__value { width: 22%; text-align: right; font-family: var(--font-mono); font-size: 13px; color: var(--text-primary); }

/* ── Compact KPI tiles (right-rail) ───────────────────────────────── */
.kpi-rail { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--s-3); }
.kpi-tile {
  padding: var(--s-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.kpi-tile small { color: var(--text-muted); font-size: 11.5px; letter-spacing: 0.04em; text-transform: uppercase; }
.kpi-tile strong { display: block; margin-top: 6px; font-family: var(--font-serif); font-weight: 500; font-size: 28px; color: var(--text-primary); letter-spacing: -0.01em; }
.kpi-tile span { font-size: 12.5px; color: var(--text-secondary); }

/* ── Standards row (compliance frameworks) ────────────────────────── */
.standards {
  display: flex; flex-wrap: wrap; gap: var(--s-3);
}
.standards .pill {
  height: 36px; padding: 0 16px; font-size: 13px;
  border-color: var(--border-strong);
}

/* ── Step list ────────────────────────────────────────────────────── */
.steps { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li {
  position: relative;
  padding: var(--s-4) 0 var(--s-4) var(--s-7);
  border-top: 1px solid var(--border);
  counter-increment: step;
}
.steps li:first-child { border-top: 0; }
.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: var(--s-4);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.steps strong { display: block; color: var(--text-primary); margin-bottom: 6px; font-size: 16px; }
.steps p { margin: 0; max-width: 70ch; }

/* ── Step list (used in /platform/* /why/* integrate sections) ────── */
.step-list { list-style: none; counter-reset: step; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--s-3); }
.step-list li { display: grid; grid-template-columns: 44px 1fr; gap: var(--s-4); padding: var(--s-4); background: var(--bg-secondary); border: 1px solid var(--border); border-radius: var(--radius-lg); }
.step-list .step-num {
  width: 36px; height: 36px; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 600; font-size: 16px;
  color: var(--accent-2);
  background: rgba(99,102,241,0.10);
  border: 1px solid rgba(99,102,241,0.35);
}
.step-list h3 { margin: 0 0 4px; font-size: 16px; }
.step-list p { margin: 0; color: var(--text-secondary); }

/* ── Status dots (extended) ──────────────────────────────────────── */
.dot--ok    { background: var(--success); box-shadow: 0 0 8px var(--success); }
.dot--warn  { background: var(--warning); box-shadow: 0 0 8px var(--warning); }
.dot--bad   { background: var(--danger);  box-shadow: 0 0 8px var(--danger); }

/* ── Card "read more" affordance ─────────────────────────────────── */
.card__more {
  display: inline-block;
  margin-top: var(--s-3);
  font-weight: 500;
  font-size: 14px;
  color: var(--accent-2);
  letter-spacing: 0.01em;
  transition: transform 200ms cubic-bezier(.2,.8,.2,1);
}
a.card:hover .card__more,
.card:hover .card__more { transform: translateX(3px); }
a.card { text-decoration: none; color: inherit; display: block; }

/* ── Numeric prefix in eyebrow (e.g. "01 LLM Gateway") ───────────── */
.eyebrow .num {
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  margin-right: 6px;
  letter-spacing: 0.04em;
}

/* ── Legal / long-form text pages ──────────────────────────────── */
.legal { max-width: 70ch; margin: 0 auto; }
.legal h2 { margin-top: var(--s-7); font-size: 22px; letter-spacing: -0.01em; }
.legal h3 { margin-top: var(--s-5); font-size: 17px; color: var(--text-primary); }
.legal p, .legal li { color: var(--text-secondary); line-height: 1.7; }
.legal ul, .legal ol { padding-left: 22px; display: flex; flex-direction: column; gap: 6px; }
.legal a { color: var(--accent-2); }
.legal .meta { color: var(--text-tertiary); font-size: 13px; font-family: var(--font-mono); margin-bottom: var(--s-5); }

/* Neutral checks variant — used for "before" / negative lists where the green checkmark would mislead. */
.checks--neutral li::before {
  content: "—";
  color: var(--text-tertiary);
  font-weight: 400;
}