/* ==========================================================================
   ReefLink — design system
   Tokens → base → layout → components → product UI → page modules
   ========================================================================== */

:root {
  /* Surfaces — Deep Navy */
  --bg: #07111c;
  --bg-raised: #0a1624;
  --surface: #0e1c2d;
  --surface-2: #122338;
  --surface-3: #182c45;
  --line: #1b2d44;
  --line-strong: #27405e;

  /* Text */
  --text: #eef4fa;
  --text-2: #a6b6c8;
  --text-3: #7d90a6;

  /* Accent: used only for active intelligence, signals, links, interaction */
  --accent: #38bdf8;
  --accent-strong: #7dd3fc;
  --accent-soft: rgba(56, 189, 248, 0.13);
  --accent-line: rgba(56, 189, 248, 0.45);

  /* Severity (monitoring only) */
  --warn: #f0b35a;
  --crit: #f07a70;

  /* Translucent tints derived from the palette */
  --header-bg: rgba(7, 17, 28, 0.86);
  --grid-line: rgba(238, 244, 250, 0.04);

  --font-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --container: 1240px;
  --gutter: clamp(20px, 4vw, 48px);
  --section: clamp(88px, 11vw, 160px);
  --header-h: 68px;

  --r-s: 6px;
  --r: 10px;
  --r-l: 16px;

  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  --shadow: 0 30px 80px -20px rgba(0, 4, 10, 0.75);

  color-scheme: dark;
}

/* ---------- Base ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  overflow-wrap: break-word;
  -webkit-tap-highlight-color: transparent;
}

a, button, input, select, textarea, label { touch-action: manipulation; }

body.menu-open { overflow: hidden; }

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
p { margin: 0; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
[hidden] { display: none !important; }

::selection { background: var(--accent); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute;
  left: 16px; top: -60px;
  z-index: 200;
  padding: 10px 14px;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--r-s);
  font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* ---------- Typography ---------- */

.display {
  font-size: clamp(2.1rem, 1.15rem + 4.6vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -0.035em;
  font-weight: 600;
  text-wrap: balance;
}

.h1 {
  font-size: clamp(1.95rem, 1.1rem + 3.9vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -0.032em;
  font-weight: 600;
  text-wrap: balance;
}

.h2 {
  font-size: clamp(1.7rem, 1.05rem + 2.8vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.028em;
  font-weight: 600;
  text-wrap: balance;
}

.h3 {
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
  font-weight: 600;
}

.h4 {
  font-size: 1.0625rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 600;
}

.lead {
  font-size: clamp(1.05rem, 1.35vw, 1.2rem);
  line-height: 1.6;
  color: var(--text-2);
  max-width: 38em;
}

.body { color: var(--text-2); }
.body-s { font-size: 0.9375rem; color: var(--text-2); line-height: 1.6; }
.muted { color: var(--text-3); }

.meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--text-3);
  letter-spacing: 0;
}

.label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--text-2);
}
.label::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
}
.label--plain::before { display: none; }

.accent { color: var(--accent); }
.text-link {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: var(--accent-line);
  text-underline-offset: 3px;
}
.text-link:hover { text-decoration-color: var(--accent); }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: var(--text);
}
.arrow-link::after {
  content: "→";
  color: var(--accent);
  transition: transform 0.25s var(--ease);
}
.arrow-link:hover::after { transform: translateX(3px); }

code, .code { font-family: var(--font-mono); }

/* ---------- Layout ---------- */

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-left: max(var(--gutter), env(safe-area-inset-left));
  padding-right: max(var(--gutter), env(safe-area-inset-right));
}

.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: calc(var(--section) * 0.65); }
.section--line { border-top: 1px solid var(--line); }
.section--raised { background: var(--bg-raised); }

.section-head {
  display: grid;
  grid-template-columns: minmax(180px, 3fr) 9fr;
  gap: 24px 40px;
  margin-bottom: clamp(40px, 5vw, 72px);
}
.section-head__label { padding-top: 0.6em; }
.section-head__body { display: grid; gap: 20px; max-width: 800px; }
.section-head--split .section-head__body {
  grid-template-columns: 1.1fr 0.9fr;
  max-width: none;
  align-items: end;
  gap: 24px 48px;
}

@media (max-width: 860px) {
  .section-head,
  .section-head--split .section-head__body { grid-template-columns: 1fr; }
  .section-head__label { padding-top: 0; }
}

.stack > * + * { margin-top: var(--stack, 16px); }

/* Grid children default to min-width:auto, which lets wide tables and code push
   the page wider than the screen. Let them shrink and scroll internally instead. */
.grid-2 > *, .capabilities > *, .ai-console > *, .graph-layout > *, .security-layout > *,
.form-layout > *, .sol-page > *, .hero-stage > *, .page-hero__grid > *, .cta-band__grid > *,
.plan > *, .compare > *, .arch > *, .section-head > *, .section-head__body > *,
.trace > *, .window__body > *, .ai-thread > * { min-width: 0; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 64px);
}
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- Buttons ---------- */

.btn {
  --btn-h: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: var(--btn-h);
  padding: 0 20px;
  border-radius: var(--r-s);
  border: 1px solid transparent;
  font-size: 0.9375rem;
  font-weight: 550;
  letter-spacing: -0.005em;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.2s, border-color 0.2s, color 0.2s, transform 0.2s var(--ease);
}
.btn--sm { --btn-h: 38px; padding: 0 14px; font-size: 0.875rem; }

.btn--primary { background: var(--text); color: var(--bg); }
.btn--primary:hover { background: #fff; }

.btn--ghost { background: transparent; color: var(--text); border-color: var(--line-strong); }
.btn--ghost:hover { border-color: var(--text-3); background: var(--surface); }

.btn--quiet { background: var(--surface-2); color: var(--text); border-color: var(--line); }
.btn--quiet:hover { background: var(--surface-3); }

.btn[disabled] { opacity: 0.6; cursor: progress; }

.actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s;
}
/* The blur lives on a pseudo-element: backdrop-filter on the header itself would
   become the containing block for the fixed mobile menu and clip it. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: var(--header-bg);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  backdrop-filter: blur(14px) saturate(140%);
  opacity: 0;
  transition: opacity 0.3s;
}
.site-header.is-scrolled,
body.menu-open .site-header { border-bottom-color: var(--line); }
.site-header.is-scrolled::before,
body.menu-open .site-header::before { opacity: 1; }
.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 1.0625rem;
  letter-spacing: -0.02em;
  flex: none;
}
.brand svg { width: 24px; height: 24px; }
.logo-line { fill: none; stroke: var(--text-3); stroke-width: 1.5; }
.logo-node { fill: none; stroke: var(--text); stroke-width: 1.5; }
.logo-core { fill: var(--accent); }

.site-nav { flex: 1; }
.site-nav ul { display: flex; gap: 4px; }
.site-nav a {
  display: block;
  padding: 8px 12px;
  border-radius: var(--r-s);
  font-size: 0.9rem;
  color: var(--text-2);
  transition: color 0.2s, background-color 0.2s;
}
.site-nav a:hover { color: var(--text); }
.site-nav a { position: relative; }
.site-nav a[aria-current="page"] { color: var(--text); }
.site-nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px; right: 12px; bottom: 2px;
  height: 1px;
  background: var(--accent);
}

.site-header__actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.link-quiet {
  padding: 8px 12px;
  font-size: 0.9rem;
  color: var(--text-2);
  border-radius: var(--r-s);
}
.link-quiet:hover { color: var(--text); }

.menu-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  background: transparent;
  cursor: pointer;
  position: relative;
}
.menu-toggle__bars,
.menu-toggle__bars::before {
  position: absolute;
  left: 12px; right: 12px;
  height: 1.5px;
  background: var(--text);
  transition: transform 0.3s var(--ease), top 0.3s var(--ease);
}
.menu-toggle__bars { top: 18px; }
.menu-toggle__bars::before { content: ""; left: 0; right: 0; top: 7px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars { top: 21px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { top: 0; transform: rotate(-90deg); }

.mobile-menu {
  position: fixed;
  overscroll-behavior: contain;
  inset: var(--header-h) 0 0 0;
  background: var(--bg);
  padding: 24px max(var(--gutter), env(safe-area-inset-right)) calc(32px + env(safe-area-inset-bottom)) max(var(--gutter), env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-menu ul { border-top: 1px solid var(--line); }
.mobile-menu li { border-bottom: 1px solid var(--line); }
.mobile-menu a.mobile-menu__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 2px;
  font-size: 1.375rem;
  letter-spacing: -0.02em;
  font-weight: 500;
}
.mobile-menu a.mobile-menu__link::after { content: "→"; color: var(--text-3); font-size: 1rem; }
.mobile-menu a[aria-current="page"]::after { color: var(--accent); }
.mobile-menu__actions { margin-top: auto; padding-top: 32px; display: grid; gap: 10px; }
.mobile-menu__actions .btn { --btn-h: 52px; width: 100%; }

@media (max-width: 1080px) {
  .site-nav, .site-header__actions .link-quiet { display: none; }
  .menu-toggle { display: block; }
}
@media (max-width: 420px) {
  .site-header__actions .btn { display: none; }
}

@media (prefers-reduced-motion: no-preference) {
  .mobile-menu:not([hidden]) { animation: menu-in 0.35s var(--ease); }
}
@keyframes menu-in { from { opacity: 0; transform: translateY(-8px); } }

main { display: block; }

/* ---------- Page hero (sub pages) ---------- */

.page-hero {
  padding-top: calc(var(--header-h) + clamp(64px, 9vw, 128px));
  padding-bottom: clamp(56px, 7vw, 96px);
  position: relative;
}
.page-hero__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 32px 64px;
  align-items: end;
}
.page-hero__grid > .stack { --stack: 24px; }
.page-hero .lead { max-width: 34em; }
@media (max-width: 860px) { .page-hero__grid { grid-template-columns: 1fr; } }

.backdrop-grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 0%, #000 20%, transparent 75%);
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 64px calc(32px + env(safe-area-inset-bottom));
  font-size: 0.9rem;
}
.site-footer__top {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: 40px 32px;
}
.site-footer__intro p { color: var(--text-3); max-width: 26em; margin-top: 16px; }
.site-footer h2 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-3);
  margin-bottom: 14px;
}
.site-footer li + li { margin-top: 10px; }
.site-footer a { color: var(--text-2); }
.site-footer a:hover { color: var(--text); }
.site-footer__bottom {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 32px;
}
.site-footer__bottom p { max-width: 64em; }
@media (max-width: 960px) {
  .site-footer__top { grid-template-columns: repeat(2, 1fr); }
  .site-footer__intro { grid-column: 1 / -1; }
}

/* ---------- CTA band ---------- */

.cta-band {
  position: relative;
  padding-block: clamp(96px, 12vw, 176px);
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.cta-band__grid {
  position: relative;
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 40px 64px;
  align-items: end;
}
.cta-band .display { max-width: 12em; }
.cta-band__side { display: grid; gap: 28px; }
.cta-band__art {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
}
.art-line { stroke: var(--line-strong); stroke-width: 1; }
.art-path { stroke: var(--accent); stroke-opacity: 0.55; stroke-width: 1.25; }
.art-node { fill: var(--bg); stroke: var(--text-3); stroke-width: 1.5; }
.art-core { fill: var(--accent); }
.cta-band__art svg { position: absolute; right: -4%; top: 50%; width: min(760px, 70vw); transform: translateY(-50%); }
@media (max-width: 860px) { .cta-band__grid { grid-template-columns: 1fr; } }

/* ---------- Reveal ---------- */

.js .reveal { opacity: 0; transform: translateY(18px); }
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
@media (prefers-reduced-motion: reduce) {
  .js .reveal { opacity: 1; transform: none; }
}

/* ==========================================================================
   Product UI primitives — used by every interface mock on the site
   ========================================================================== */

.window {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-l);
  overflow: hidden;
  box-shadow: var(--shadow);
  font-size: 0.875rem;
}
.window__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 44px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-raised);
}
.window__title {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 0.8125rem;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.window__title b { color: var(--text); font-weight: 500; }
.window__dots { display: flex; gap: 6px; flex: none; }
.window__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.window__body { padding: 20px; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
  white-space: nowrap;
}
.status::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--text-3);
}
.status--live { color: var(--accent); }
.status--live::before { background: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.status--warn { color: var(--warn); }
.status--warn::before { background: var(--warn); }
.status--crit { color: var(--crit); }
.status--crit::before { background: var(--crit); }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 26px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-2);
  background: var(--surface-2);
  white-space: nowrap;
}
.chip--accent { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 4px;
  white-space: nowrap;
}

.cite {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  margin-left: 2px;
  border-radius: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  vertical-align: 0.15em;
  line-height: 1;
}

.kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-3);
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 1px 6px;
}

.sql {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--text-2);
  white-space: pre;
  overflow-x: auto;
  margin: 0;
}
.sql .k { color: var(--accent); }
.sql .c { color: var(--text-3); }
.sql .s { color: var(--text); }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }
.data-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-3);
  padding: 0 12px 10px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--text-2);
  vertical-align: middle;
}
.data-table td:first-child, .data-table th:first-child { padding-left: 0; }
.data-table td b { color: var(--text); font-weight: 500; }
.data-table tr:last-child td { border-bottom: 0; }
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }

.bar { height: 4px; border-radius: 2px; background: var(--surface-3); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--text-3); border-radius: inherit; }
.bar--accent i { background: var(--accent); }

/* Entity type glyphs: shape carries the type so colour stays restrained */
.glyph { width: 10px; height: 10px; flex: none; display: inline-block; border: 1.5px solid currentColor; color: var(--text-2); }
.glyph--org { border-radius: 50%; }
.glyph--person { border-radius: 50%; background: currentColor; }
.glyph--location { transform: rotate(45deg) scale(0.85); }
.glyph--event { border-radius: 2px; background: currentColor; transform: rotate(45deg) scale(0.8); }
.glyph--document { border-radius: 1px; height: 12px; width: 9px; }
.glyph--asset { border-radius: 2px; }
.glyph--signal { border: 0; width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 10px solid var(--accent); }
.glyph--source { border-radius: 2px; border-style: dashed; }

/* ==========================================================================
   Home — hero
   ========================================================================== */

.hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(56px, 8vw, 112px));
  padding-bottom: clamp(64px, 8vw, 120px);
}
.hero__head {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: 28px 64px;
  align-items: end;
}
.hero__head .display { grid-column: 1 / -1; max-width: 13em; }
.hero__head .label { grid-column: 1 / -1; }
.hero__head .actions { justify-content: flex-end; }
@media (max-width: 860px) {
  .hero__head { grid-template-columns: 1fr; }
  .hero__head .actions { justify-content: flex-start; }
}

.hero-stage {
  position: relative;
  margin-top: clamp(48px, 6vw, 80px);
  display: grid;
  grid-template-columns: 1fr minmax(0, 620px) 1fr;
  gap: 28px;
  align-items: center;
}
.hero-stage__links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
}
.hero-stage__links path {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
  transition: stroke 0.5s;
}
.hero-stage__links path.is-active { stroke: var(--accent-line); }
.hero-stage__links circle { fill: var(--accent); }

.hero-stage__col { display: grid; gap: 28px; position: relative; z-index: 1; }
.hero-stage__col--left { justify-items: end; }
.hero-stage__col--right { justify-items: start; }

.sat {
  width: 100%;
  max-width: 250px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  font-size: 0.8125rem;
  transition: border-color 0.5s, opacity 0.5s, transform 0.5s var(--ease);
}
.sat__type { display: flex; align-items: center; gap: 8px; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }
.sat__name { display: block; margin-top: 8px; color: var(--text); font-weight: 500; font-size: 0.9rem; }
.sat__meta { display: block; margin-top: 2px; color: var(--text-3); }
.sat--signal .sat__name { color: var(--accent); }
.hero-stage[data-state="idle"] .sat { opacity: 0.45; }
.sat.is-active { border-color: var(--accent-line); opacity: 1 !important; }

.workspace { position: relative; z-index: 2; }
.workspace .window__body { display: grid; gap: 16px; }

.qbar {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 48px;
  padding: 0 14px;
  background: var(--bg-raised);
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  font-size: 0.9375rem;
}
.qbar svg { width: 16px; height: 16px; color: var(--text-3); flex: none; }
.qbar__text { flex: 1; min-width: 0; color: var(--text); }
.qbar__caret {
  display: inline-block;
  width: 1.5px; height: 1.05em;
  margin-left: 1px;
  vertical-align: -0.15em;
  background: var(--accent);
}
.hero-stage[data-state="done"] .qbar__caret { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .qbar__caret { animation: blink 1s steps(1) infinite; }
}
@keyframes blink { 50% { opacity: 0; } }

.sources-line { display: flex; flex-wrap: wrap; gap: 6px 8px; align-items: center; }
.sources-line .chip { transition: color 0.3s, border-color 0.3s, background-color 0.3s; }
.sources-line .chip.is-done { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.sources-line .chip.is-done::before { content: "✓"; }

.ws-result {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 16px;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.hero-stage:not([data-state="done"]) .ws-result { opacity: 0; transform: translateY(8px); }

.finding {
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  border-radius: var(--r-s);
  background: var(--surface-2);
}
.finding__head { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.finding p { color: var(--text); line-height: 1.55; font-size: 0.875rem; }

.mini-timeline { display: grid; gap: 0; position: relative; }
.mini-timeline li {
  position: relative;
  padding: 0 0 12px 18px;
  font-size: 0.78rem;
  color: var(--text-2);
  line-height: 1.4;
}
.mini-timeline li::before {
  content: "";
  position: absolute;
  left: 0; top: 5px;
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1.5px solid var(--text-3);
  background: var(--surface);
}
.mini-timeline li::after {
  content: "";
  position: absolute;
  left: 3.5px; top: 14px; bottom: 0;
  width: 1px;
  background: var(--line-strong);
}
.mini-timeline li:last-child::after { display: none; }
.mini-timeline li.is-key::before { border-color: var(--accent); background: var(--accent); }
.mini-timeline time { display: block; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }

.evidence-list { display: grid; gap: 6px; grid-column: 1 / -1; }
.evidence-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  font-size: 0.78rem;
  color: var(--text-2);
}
.evidence-list code { color: var(--text); font-size: 0.75rem; }

.hero-stage__foot {
  grid-column: 2;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.replay {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 0;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-3);
  cursor: pointer;
}
.replay:hover { color: var(--text); }

@media (max-width: 1080px) {
  .hero-stage { grid-template-columns: 1fr; }
  /* Without the side cards, collapse the answer area until it's ready instead of showing an empty panel. */
  .hero-stage:not([data-state="done"]) .ws-result { display: none; }
  .hero-stage__col, .hero-stage__links { display: none; }
  .hero-stage__foot { grid-column: 1; }
}
@media (max-width: 640px) {
  .ws-result { grid-template-columns: 1fr; }
  .ws-result .mini-timeline { display: none; }
  .workspace .window__body { padding: 14px; }
  .qbar { font-size: 0.875rem; align-items: flex-start; padding: 12px; }
  .qbar svg { margin-top: 3px; }
}

/* ==========================================================================
   Home — intelligence pipeline (signature element)
   ========================================================================== */

.pipeline { position: relative; }
/* Rail uses the same 5-column grid as the stages so nodes sit over each stage. */
.pipeline__rail {
  --gap: 16px;
  --col: calc((100% - 4 * var(--gap)) / 5);
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: var(--gap);
  height: 36px;
  margin-bottom: 8px;
}
.rail-line, .rail-progress {
  position: absolute;
  top: 50%;
  left: calc(var(--col) / 2);
  height: 1px;
}
.rail-line { right: calc(var(--col) / 2); background: var(--line-strong); }
.rail-progress {
  height: 2px;
  margin-top: -0.5px;
  background: var(--accent);
  width: calc(var(--step, 0) * (var(--col) + var(--gap)));
  transition: width 0.9s var(--ease);
}
.rail-node {
  justify-self: center;
  align-self: center;
  position: relative;
  z-index: 1;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 1.5px solid var(--line-strong);
  transition: background-color 0.4s, border-color 0.4s;
}
.rail-node.is-active { background: var(--accent); border-color: var(--accent); }
.packet {
  position: absolute;
  top: 50%;
  left: calc(var(--col) / 2);
  width: 5px; height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: var(--text-3);
  opacity: 0;
}
@media (prefers-reduced-motion: no-preference) {
  .pipeline.is-running .packet { animation: packet 6s linear infinite; animation-delay: var(--d, 0s); }
}
@keyframes packet {
  0% { left: calc(var(--col) / 2); opacity: 0; background: var(--text-3); }
  6% { opacity: 1; }
  45% { background: var(--text-3); }
  60% { background: var(--accent); }
  94% { opacity: 1; }
  100% { left: calc(100% - var(--col) / 2); opacity: 0; background: var(--accent); }
}

.pipeline__stages {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
  counter-reset: stage;
}
.stage {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  min-height: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
  transition: border-color 0.4s, background-color 0.4s;
}
.stage.is-active { border-color: var(--accent-line); background: var(--surface-2); }
.stage__num { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-3); }
.stage.is-active .stage__num { color: var(--accent); }
.stage__visual {
  height: 150px;
  border-radius: var(--r-s);
  background: var(--bg-raised);
  border: 1px solid var(--line);
  padding: 12px;
  overflow: hidden;
  position: relative;
  font-size: 0.72rem;
}
.stage p { font-size: 0.875rem; color: var(--text-2); line-height: 1.55; }
.stage__example {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
  line-height: 1.5;
}

/* stage visuals */
.sv-sources { display: grid; gap: 7px; }
.sv-sources li { display: grid; grid-template-columns: 1fr 44px; gap: 8px; align-items: center; font-family: var(--font-mono); color: var(--text-2); }
.sv-graph svg { width: 100%; height: 100%; }
.sv-graph line { stroke: var(--line-strong); stroke-width: 1; }
.stage.is-active .sv-graph line { stroke: var(--accent-line); }
.sv-graph circle { fill: var(--surface-3); stroke: var(--text-3); stroke-width: 1; }
.sv-graph text { fill: var(--text-2); font-family: var(--font-mono); font-size: 9px; }
.sv-chart svg { width: 100%; height: 100%; overflow: visible; }
.sv-chart .band { fill: var(--accent-soft); }
.sv-chart .line { fill: none; stroke: var(--text-3); stroke-width: 1.25; }
.stage.is-active .sv-chart .line { stroke: var(--text-2); }
.sv-chart .peak { fill: var(--accent); }
.sv-chart text { fill: var(--accent); font-family: var(--font-mono); font-size: 9px; }
.sv-finding { display: grid; gap: 8px; }
.sv-finding b { font-weight: 500; color: var(--text); font-size: 0.78rem; line-height: 1.4; }
.sv-tasks { display: grid; gap: 8px; }
.sv-tasks li { display: flex; gap: 8px; align-items: flex-start; color: var(--text-2); line-height: 1.35; }
.sv-tasks li::before {
  content: "";
  flex: none;
  width: 11px; height: 11px;
  margin-top: 1px;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
}
.sv-tasks li.is-done::before { background: var(--accent); border-color: var(--accent); }

@media (max-width: 1080px) {
  .pipeline__rail { display: none; }
  .pipeline__stages { grid-template-columns: 1fr; gap: 16px; position: relative; padding-left: 36px; }
  .pipeline__stages::before {
    content: "";
    position: absolute;
    left: 11px; top: 8px; bottom: 8px;
    width: 1px;
    background: var(--line-strong);
  }
  .stage { position: relative; display: grid; grid-template-columns: 1fr 1fr; column-gap: 24px; }
  .stage::before {
    content: "";
    position: absolute;
    left: -30px; top: 24px;
    width: 11px; height: 11px;
    border-radius: 50%;
    background: var(--bg);
    border: 1.5px solid var(--line-strong);
  }
  .stage.is-active::before { background: var(--accent); border-color: var(--accent); }
  .stage__visual { grid-column: 2; grid-row: 1 / span 4; height: auto; min-height: 140px; }
  .stage > :not(.stage__visual) { grid-column: 1; }
  .stage > * + * { margin-top: 10px; }
  .stage { row-gap: 0; }
}
@media (max-width: 640px) {
  .stage { grid-template-columns: 1fr; }
  .stage__visual { grid-column: 1; grid-row: auto; height: 130px; min-height: 0; }
}

/* ==========================================================================
   Home — platform capabilities (tabs + screens)
   ========================================================================== */

.capabilities {
  display: grid;
  grid-template-columns: minmax(260px, 4fr) 8fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.cap-tabs { display: grid; border-top: 1px solid var(--line); }
.cap-tab {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 4px 8px;
  width: 100%;
  padding: 18px 4px;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  text-align: left;
  cursor: pointer;
  color: var(--text-2);
  position: relative;
}
.cap-tab::before {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  height: 1px;
  width: 0;
  background: var(--accent);
  transition: width 0.5s var(--ease);
}
.cap-tab[aria-selected="true"]::before { width: 100%; }
.cap-tab__num { font-family: var(--font-mono); font-size: 0.75rem; padding-top: 5px; color: var(--text-3); }
.cap-tab__name { font-size: 1.25rem; font-weight: 550; letter-spacing: -0.02em; color: var(--text-2); transition: color 0.2s; }
.cap-tab__desc {
  grid-column: 2;
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text-2);
  display: none;
}
.cap-tab:hover .cap-tab__name { color: var(--text); }
.cap-tab[aria-selected="true"] .cap-tab__name { color: var(--text); }
.cap-tab[aria-selected="true"] .cap-tab__num { color: var(--accent); }
.cap-tab[aria-selected="true"] .cap-tab__desc { display: block; }

.cap-screens { position: relative; }
.cap-screen .window__body { min-height: 440px; }
.cap-screen[hidden] { display: none; }
@media (prefers-reduced-motion: no-preference) {
  .cap-screen:not([hidden]) { animation: screen-in 0.45s var(--ease); }
}
@keyframes screen-in { from { opacity: 0; transform: translateY(6px); } }

.cap-note { margin-top: 16px; display: flex; gap: 10px; align-items: baseline; }

@media (max-width: 960px) {
  .capabilities { grid-template-columns: 1fr; }
  .cap-tabs {
    display: flex;
    overflow-x: auto;
    gap: 6px;
    border: 0;
    padding-bottom: 4px;
    scrollbar-width: none;
    margin-inline: calc(var(--gutter) * -1);
    padding-inline: var(--gutter);
  }
  .cap-tabs::-webkit-scrollbar { display: none; }
  .cap-tab {
    display: flex;
    gap: 8px;
    align-items: center;
    width: auto;
    flex: none;
    padding: 9px 14px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
  }
  .cap-tab::before { display: none; }
  .cap-tab__num { padding: 0; }
  .cap-tab__name { font-size: 0.9375rem; }
  .cap-tab__desc, .cap-tab[aria-selected="true"] .cap-tab__desc { display: none; }
  .cap-tab[aria-selected="true"] { border-color: var(--accent-line); background: var(--accent-soft); }
  .cap-mobile-desc { display: block !important; }
  .cap-screen .window__body { min-height: 0; }
}
.cap-mobile-desc { display: none; margin-bottom: 16px; color: var(--text-2); }

/* screen internals */
.search-tokens { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.result-group + .result-group { margin-top: 16px; }
.result-group h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-3);
  margin-bottom: 6px;
}
.result-row {
  display: grid;
  grid-template-columns: 14px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  margin-bottom: 6px;
}
.result-row b { font-weight: 500; color: var(--text); }
.result-row span { color: var(--text-3); font-size: 0.8rem; }
.result-row.is-hit { border-color: var(--accent-line); background: var(--accent-soft); }

.profile { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.profile__head { grid-column: 1 / -1; display: flex; gap: 14px; align-items: center; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.profile__avatar {
  width: 44px; height: 44px;
  border-radius: var(--r);
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  font-weight: 600;
}
.kv { display: grid; grid-template-columns: auto 1fr; gap: 8px 16px; font-size: 0.8125rem; }
.kv dt { color: var(--text-3); font-family: var(--font-mono); font-size: 0.72rem; padding-top: 2px; }
.kv dd { color: var(--text); }
.links-list li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 10px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
}
.links-list li:last-child { border-bottom: 0; }
.links-list em { font-style: normal; color: var(--text-3); font-family: var(--font-mono); font-size: 0.7rem; display: block; }

.chart-panel svg { width: 100%; height: auto; overflow: visible; }
.chart-panel .axis { stroke: var(--line); }
.chart-panel .gridline { stroke: var(--line); stroke-dasharray: 2 4; }
.chart-panel .series { fill: none; stroke: var(--text-2); stroke-width: 1.5; }
.chart-panel .baseline-band { fill: var(--grid-line); }
.chart-panel .anomaly { fill: var(--accent-soft); stroke: var(--accent-line); stroke-dasharray: 3 3; }
.chart-panel .peak { fill: var(--accent); }
.chart-panel text { fill: var(--text-3); font-family: var(--font-mono); font-size: 10px; }
.chart-panel .note { fill: var(--accent); }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-s); overflow: hidden; margin-top: 16px; }
.stat-row div { background: var(--surface); padding: 12px 14px; }
.stat-row dt { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }
.stat-row dd { font-size: 1.125rem; font-weight: 550; letter-spacing: -0.02em; margin-top: 2px; }

.rules-list li {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.rules-list li:last-child { border-bottom: 0; }
.rules-list b { font-weight: 500; }
.rules-list code { grid-column: 1; font-size: 0.72rem; color: var(--text-3); }
.rules-list .status { grid-row: 1 / span 2; grid-column: 2; align-self: center; }

.brief { display: grid; gap: 16px; }
.brief h4 { font-size: 1.05rem; letter-spacing: -0.01em; }
.brief ol { display: grid; gap: 10px; counter-reset: kj; }
.brief ol li {
  display: grid;
  grid-template-columns: 22px 1fr auto;
  gap: 10px;
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text);
}
.brief ol li::before { counter-increment: kj; content: counter(kj); font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); padding-top: 2px; }
.brief__foot { display: flex; flex-wrap: wrap; gap: 8px 16px; padding-top: 14px; border-top: 1px solid var(--line); }

/* ==========================================================================
   Home — intelligence graph
   ========================================================================== */

.graph-layout {
  display: grid;
  grid-template-columns: minmax(0, 8fr) minmax(260px, 4fr);
  gap: 20px;
  align-items: stretch;
}
.graph-canvas {
  position: relative;
  background: var(--bg-raised);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  overflow: hidden;
}
.graph-canvas svg { width: 100%; height: auto; display: block; }
.graph-toolbar {
  position: absolute;
  top: 14px; left: 14px; right: 14px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  z-index: 2;
}
.segmented {
  display: inline-flex;
  padding: 3px;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: 8px;
}
.segmented button {
  padding: 6px 12px;
  border: 0;
  border-radius: 6px;
  background: none;
  font-size: 0.8125rem;
  color: var(--text-2);
  cursor: pointer;
}
.segmented button[aria-pressed="true"] { background: var(--surface-3); color: var(--text); }

.g-node { cursor: pointer; transition: opacity 0.4s; }
.g-node:focus { outline: none; }
.g-node:focus-visible .g-shape { stroke: var(--accent); stroke-width: 2.5; }
.g-shape { fill: var(--surface-2); stroke: var(--text-3); stroke-width: 1.5; transition: fill 0.3s, stroke 0.3s; }
.g-node--signal .g-shape { stroke: var(--accent); }
.g-label { fill: var(--text-2); font-family: var(--font-sans); font-size: 12.5px; pointer-events: none; transition: fill 0.3s, opacity 0.4s; }
.g-sub { fill: var(--text-3); font-family: var(--font-mono); font-size: 10px; pointer-events: none; opacity: 0; transition: opacity 0.4s; }
.g-silo-label { fill: var(--text-3); font-family: var(--font-mono); font-size: 11px; transition: opacity 0.5s; }
.g-silo-box { fill: none; stroke: var(--line); stroke-dasharray: 3 4; transition: opacity 0.5s; }
.g-edge { stroke: var(--line-strong); stroke-width: 1; fill: none; transition: stroke 0.3s, opacity 0.3s; }
.g-edge-label { fill: var(--text-3); font-family: var(--font-mono); font-size: 9.5px; opacity: 0; transition: opacity 0.3s; pointer-events: none; }

.graph[data-view="records"] .g-edges, .graph[data-view="records"] .g-edge-labels { opacity: 0; }
.graph[data-view="connected"] .g-silo-label, .graph[data-view="connected"] .g-silo-box { opacity: 0; }
.graph[data-view="records"] .g-sub { opacity: 1; }

.graph.has-focus .g-node { opacity: 0.25; }
.graph.has-focus .g-node.is-lit { opacity: 1; }
.graph.has-focus .g-edge { opacity: 0.12; }
.graph.has-focus .g-edge.is-lit { opacity: 1; stroke: var(--accent); stroke-width: 1.5; }
.graph.has-focus .g-edge-label.is-lit { opacity: 1; fill: var(--accent-strong); }
.g-node.is-selected .g-shape { fill: var(--accent); stroke: var(--accent); }
.g-node.is-lit .g-label { fill: var(--text); }

.graph-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-l);
}
.graph-panel__type { display: flex; align-items: center; gap: 8px; }
.graph-panel ul { display: grid; gap: 0; }
.graph-panel li {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 10px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
}
.graph-panel li em { display: block; font-style: normal; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }
.graph-legend { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); }
.graph-legend span { display: inline-flex; align-items: center; gap: 7px; font-size: 0.75rem; color: var(--text-3); }

@media (max-width: 960px) {
  .graph-layout { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .g-label, .g-sub, .g-edge-label, .g-silo-label { display: none; }
  .g-node.is-selected .g-label { display: block; }
  .graph-toolbar { position: static; padding: 12px 12px 0; }
}

/* ==========================================================================
   Home — AI evidence console
   ========================================================================== */

.ai-console {
  display: grid;
  grid-template-columns: minmax(240px, 4fr) 8fr;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}
.prompt-list { display: grid; gap: 8px; }
.prompt-btn {
  display: grid;
  gap: 4px;
  width: 100%;
  padding: 14px 16px;
  text-align: left;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.prompt-btn:hover { border-color: var(--line-strong); background: var(--surface); }
.prompt-btn[aria-pressed="true"] { border-color: var(--accent-line); background: var(--surface); }
.prompt-btn b { font-weight: 550; font-size: 0.9375rem; }
.prompt-btn span { font-size: 0.8125rem; color: var(--text-3); line-height: 1.45; }

.ai-thread { display: grid; gap: 18px; }
.ai-q {
  justify-self: end;
  max-width: 85%;
  padding: 12px 16px;
  background: var(--surface-3);
  border-radius: var(--r) var(--r) 2px var(--r);
  color: var(--text);
  font-size: 0.9rem;
  line-height: 1.5;
}
.ai-plan {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-s);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-3);
}
.ai-plan li { display: grid; grid-template-columns: 84px 1fr; gap: 10px; }
.ai-plan li span:last-child { color: var(--text-2); }
.ai-answer { font-size: 0.9375rem; line-height: 1.65; color: var(--text); }
.ai-answer p + p, .ai-answer p + ul, .ai-answer ul + p { margin-top: 10px; }
.ai-answer ul { display: grid; gap: 6px; padding-left: 16px; list-style: disc; }
.ai-answer ul li::marker { color: var(--text-3); }
.ai-answer .caveat { color: var(--text-2); border-left: 2px solid var(--warn); padding-left: 12px; }
.ai-evidence { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 8px; }
.ai-evidence li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  font-size: 0.78rem;
  color: var(--text-2);
  display: grid;
  gap: 4px;
}
.ai-evidence code { color: var(--text); font-size: 0.75rem; }
.ai-evidence li > span:first-child { display: flex; gap: 8px; align-items: center; }
.sql-toggle { border-top: 1px solid var(--line); padding-top: 14px; }
.sql-toggle summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-2);
  list-style: none;
  display: flex;
  justify-content: space-between;
}
.sql-toggle summary::-webkit-details-marker { display: none; }
.sql-toggle summary::after { content: "+"; color: var(--accent); }
.sql-toggle[open] summary::after { content: "−"; }
.sql-toggle .sql { margin-top: 12px; padding: 14px; background: var(--bg-raised); border-radius: var(--r-s); border: 1px solid var(--line); }
.ai-foot { display: flex; flex-wrap: wrap; gap: 8px; }

@media (max-width: 960px) {
  .ai-console { grid-template-columns: 1fr; }
  .prompt-list { display: flex; overflow-x: auto; gap: 8px; scrollbar-width: none; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter); }
  .prompt-list::-webkit-scrollbar { display: none; }
  .prompt-btn { flex: none; width: 240px; }
}

/* ==========================================================================
   Home — monitoring
   ========================================================================== */

.monitor .window__body {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 4fr) minmax(0, 3.2fr);
  gap: 0;
  padding: 0;
}
.monitor__col { padding: 18px; min-width: 0; }
.monitor__col + .monitor__col { border-left: 1px solid var(--line); }
.monitor__col h3 {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--text-3);
  margin-bottom: 12px;
}
.feed { display: grid; gap: 6px; position: relative; }
.feed li {
  display: grid;
  grid-template-columns: 8px 1fr auto;
  gap: 4px 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--surface);
}
.feed li::before {
  content: "";
  grid-row: 1 / span 2;
  width: 3px;
  height: 100%;
  border-radius: 2px;
  background: var(--line-strong);
}
.feed li[data-sev="crit"]::before { background: var(--crit); }
.feed li[data-sev="high"]::before { background: var(--warn); }
.feed li[data-sev="info"]::before { background: var(--accent); }
.feed b { font-weight: 500; font-size: 0.8125rem; line-height: 1.4; }
.feed time { font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }
.feed small { grid-column: 2 / -1; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }
@media (prefers-reduced-motion: no-preference) {
  .feed li.is-new { animation: feed-in 0.6s var(--ease); }
}
@keyframes feed-in { from { opacity: 0; transform: translateY(-10px); background: var(--surface-3); } }

.geo svg { width: 100%; height: auto; }
.geo .land { fill: var(--line-strong); }
.geo .city { fill: var(--text-3); }
.geo .city-label { fill: var(--text-3); font-family: var(--font-mono); font-size: 10px; }
.geo .ping { fill: none; stroke: var(--accent); stroke-width: 1.5; }
.geo .ping-core { fill: var(--accent); }
.geo .ping--crit { stroke: var(--crit); }
.geo .ping-core--crit { fill: var(--crit); }
.geo .ping--high { stroke: var(--warn); }
.geo .ping-core--high { fill: var(--warn); }
.geo-note { margin-top: 8px; }

.indicators { display: grid; gap: 0; }
.indicators li { padding: 12px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: end; }
.indicators li:first-child { padding-top: 0; }
.indicators li:last-child { border-bottom: 0; }
.indicators dt, .indicators .ind-name { font-size: 0.78rem; color: var(--text-2); grid-column: 1 / -1; }
.indicators .ind-val { font-size: 1.25rem; font-weight: 550; letter-spacing: -0.02em; }
.indicators .ind-delta { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); }
.indicators .ind-delta.up { color: var(--warn); }
.indicators svg { grid-column: 1 / -1; width: 100%; height: 24px; margin-top: 6px; }
.indicators svg path { fill: none; stroke: var(--text-3); stroke-width: 1.25; }
.indicators svg path.hot { stroke: var(--warn); }

.monitor__trends {
  grid-column: 1 / -1;
  border-top: 1px solid var(--line);
  padding: 14px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  font-size: 0.8125rem;
  color: var(--text-2);
}
.monitor__trends b { font-weight: 500; color: var(--text); }

.pause-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-2);
  cursor: pointer;
}
.pause-btn:hover { color: var(--text); border-color: var(--text-3); }

@media (max-width: 1080px) {
  .monitor .window__body { grid-template-columns: 1fr 1fr; }
  .monitor__col--geo { display: none; }
}
@media (max-width: 700px) {
  .monitor .window__body { grid-template-columns: 1fr; }
  .monitor__col + .monitor__col { border-left: 0; border-top: 1px solid var(--line); }
  .indicators { grid-template-columns: 1fr 1fr; column-gap: 16px; }
  .indicators li:nth-child(2) { padding-top: 0; }
  .feed li:nth-child(n+5) { display: none; }
}

/* ==========================================================================
   Home — solutions
   ========================================================================== */

.solutions-picker {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: var(--r) var(--r) 0 0;
  overflow: hidden;
}
.sol-tab {
  padding: 16px;
  border: 0;
  border-right: 1px solid var(--line);
  background: var(--bg);
  text-align: left;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  line-height: 1.35;
  position: relative;
  transition: background-color 0.2s, color 0.2s;
}
.sol-tab:last-child { border-right: 0; }
.sol-tab:hover { color: var(--text); background: var(--surface); }
.sol-tab[aria-selected="true"] { color: var(--text); background: var(--surface); }
.sol-tab[aria-selected="true"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: var(--accent);
}
.sol-tab span { display: block; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); margin-bottom: 6px; font-weight: 400; }

.sol-panel {
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 var(--r) var(--r);
  background: var(--surface);
  padding: clamp(20px, 3vw, 36px);
}
.pwo {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  gap: 0;
  align-items: stretch;
}
.pwo > div {
  padding: 4px 28px;
  position: relative;
  display: grid;
  align-content: start;
  gap: 12px;
}
.pwo > div:first-child { padding-left: 0; }
.pwo > div:last-child { padding-right: 0; }
.pwo > div + div { border-left: 1px solid var(--line); }
.pwo > div + div::before {
  content: "→";
  position: absolute;
  left: -9px; top: 0;
  width: 18px;
  background: var(--surface);
  text-align: center;
  color: var(--accent);
  font-size: 0.9rem;
}
.pwo p { font-size: 0.9375rem; line-height: 1.6; color: var(--text-2); }
.pwo .pwo__outcome p { color: var(--text); }
.pwo ol { display: grid; gap: 8px; counter-reset: wf; }
.pwo ol li {
  position: relative;
  padding-left: 30px;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.5;
}
.pwo ol li::before { counter-increment: wf; content: counter(wf, decimal-leading-zero); position: absolute; left: 0; top: 3px; font-family: var(--font-mono); font-size: 0.7rem; color: var(--text-3); }
.sol-panel__foot { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; }

@media (max-width: 1080px) {
  .solutions-picker { grid-template-columns: repeat(3, 1fr); }
  .sol-tab:nth-child(3) { border-right: 0; }
  .sol-tab:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
}
@media (max-width: 760px) {
  .solutions-picker { grid-template-columns: 1fr 1fr; }
  .sol-tab:nth-child(3) { border-right: 1px solid var(--line); }
  .sol-tab:nth-child(2n) { border-right: 0; }
  .sol-tab:nth-child(-n+4) { border-bottom: 1px solid var(--line); }
  .pwo { grid-template-columns: 1fr; gap: 24px; }
  .pwo > div, .pwo > div:first-child, .pwo > div:last-child { padding: 0; }
  .pwo > div + div { border-left: 0; border-top: 1px solid var(--line); padding-top: 24px; }
  .pwo > div + div::before { left: 0; top: -10px; width: 22px; text-align: left; transform: rotate(90deg); transform-origin: 6px 10px; }
}

/* ==========================================================================
   Security — trace & role demo
   ========================================================================== */

.security-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: clamp(32px, 5vw, 80px);
  align-items: start;
}
.control-list li {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.control-list li:first-child { border-top: 1px solid var(--line); }
.control-list b { font-weight: 550; }
.control-list p { font-size: 0.9rem; color: var(--text-2); line-height: 1.55; }
@media (max-width: 960px) { .security-layout { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .control-list li { grid-template-columns: 1fr; gap: 4px; } }

.trace { display: grid; gap: 0; }
.trace-req {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--bg-raised);
  margin-bottom: 18px;
}
.trace-req .sql { font-size: 0.75rem; }
.trace-step {
  display: grid;
  grid-template-columns: 22px 130px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.8125rem;
  align-items: baseline;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.trace-step:last-child { border-bottom: 0; }
.trace-step b { font-weight: 500; }
.trace-step span { color: var(--text-2); }
.trace-step code { color: var(--text); font-size: 0.75rem; }
.trace-icon {
  width: 16px; height: 16px;
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 10px;
  border: 1px solid var(--accent-line);
  color: var(--accent);
  transform: translateY(2px);
}
.trace-icon--mod { border-color: var(--warn); color: var(--warn); }
.js .trace[data-armed] .trace-step { opacity: 0; transform: translateX(-6px); }
.js .trace[data-armed] .trace-step.is-on { opacity: 1; transform: none; }
@media (max-width: 560px) {
  .trace-step { grid-template-columns: 22px 1fr; }
  .trace-step > span:not(.trace-icon) { grid-column: 2; }
}

.role-demo .window__body { display: grid; grid-template-columns: 260px 1fr; gap: 0; padding: 0; }
.role-demo__side { padding: 20px; border-right: 1px solid var(--line); display: grid; gap: 8px; align-content: start; }
.role-btn {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 2px 12px;
  align-items: center;
  width: 100%;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: none;
  text-align: left;
  cursor: pointer;
}
.role-btn:hover { background: var(--surface-2); }
.role-btn[aria-pressed="true"] { border-color: var(--accent-line); background: var(--accent-soft); }
.role-btn i {
  grid-row: 1 / span 2;
  width: 34px; height: 34px;
  border-radius: 8px;
  display: grid; place-items: center;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--surface-3);
}
.role-btn b { font-weight: 500; font-size: 0.875rem; }
.role-btn span { font-size: 0.72rem; color: var(--text-3); font-family: var(--font-mono); }
.role-demo__main { padding: 20px; min-width: 0; display: grid; gap: 16px; }
.masked { color: var(--text-3); letter-spacing: 0.05em; }
.denied { color: var(--text-3); font-family: var(--font-mono); font-size: 0.72rem; }
.policy-lines { display: grid; gap: 4px; font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); padding: 12px; border: 1px solid var(--line); border-radius: var(--r-s); }
.policy-lines b { color: var(--accent); font-weight: 400; }
@media (max-width: 760px) {
  .role-demo .window__body { grid-template-columns: 1fr; }
  .role-demo__side { border-right: 0; border-bottom: 1px solid var(--line); grid-template-columns: repeat(3, 1fr); }
  .role-btn { grid-template-columns: 1fr; text-align: center; justify-items: center; }
  .role-btn i { grid-row: auto; }
  .role-btn span { display: none; }
}

/* ==========================================================================
   Sub-page building blocks
   ========================================================================== */

/* Architecture stack */
.arch {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 12px;
}
.arch__layers { display: grid; gap: 8px; }
.arch-layer {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 20px;
  align-items: center;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
}
.arch-layer--engine { border-color: var(--accent-line); background: linear-gradient(90deg, var(--accent-soft), transparent 70%), var(--surface); }
.arch-layer__name b { display: block; font-weight: 550; }
.arch-layer__name span { font-family: var(--font-mono); font-size: 0.72rem; color: var(--text-3); }
.arch-layer__items { display: flex; flex-wrap: wrap; gap: 6px; }
.arch__gov {
  border: 1px dashed var(--accent-line);
  border-radius: var(--r);
  padding: 20px;
  display: grid;
  align-content: start;
  gap: 14px;
  background: var(--bg-raised);
}
.arch__gov ul { display: grid; gap: 8px; font-size: 0.8125rem; color: var(--text-2); }
.arch__gov li { position: relative; padding-left: 22px; }
.arch__gov li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
@media (max-width: 860px) {
  .arch { grid-template-columns: 1fr; }
  .arch-layer { grid-template-columns: 1fr; gap: 10px; }
}

/* Query plan */
.plan { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.plan-stages { display: grid; gap: 8px; }
.plan-stage {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  font-size: 0.8125rem;
}
.plan-stage code { font-size: 0.72rem; color: var(--text-3); }
.plan-stage b { font-weight: 500; }
.plan-stage .chip { height: 22px; font-size: 0.68rem; margin: 6px 4px 0 0; }
.plan-stage--src { margin-left: 28px; }
.plan-stage > * { min-width: 0; }
@media (max-width: 860px) { .plan { grid-template-columns: 1fr; } }
@media (max-width: 480px) {
  .plan-stage { grid-template-columns: 1fr; gap: 4px; }
  .plan-stage--src { margin-left: 12px; }
}

/* Pushdown comparison */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.compare__lane {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--r-l);
  background: var(--surface);
  display: grid;
  gap: 18px;
  align-content: start;
}
.compare__lane--ours { border-color: var(--accent-line); }
.transfer { display: grid; grid-template-columns: 90px 1fr; gap: 10px 14px; align-items: center; font-size: 0.8125rem; color: var(--text-2); }
.transfer .bar { height: 8px; }
.compare ul { display: grid; gap: 8px; font-size: 0.875rem; color: var(--text-2); }
.compare li { position: relative; padding-left: 24px; }
.compare li::before { content: "·"; position: absolute; left: 2px; top: 0; color: var(--text-3); }
.compare__lane--ours li::before { content: "✓"; color: var(--accent); font-size: 0.75rem; top: 3px; }
@media (max-width: 760px) { .compare { grid-template-columns: 1fr; } }

.flow-strip { position: relative; height: 34px; border: 1px solid var(--line); border-radius: var(--r-s); overflow: hidden; background: var(--bg-raised); }
.flow-strip i { position: absolute; top: 50%; width: 8px; height: 8px; margin-top: -4px; border-radius: 2px; background: var(--text-3); left: -10px; }
.flow-strip--light i { background: var(--accent); }
@media (prefers-reduced-motion: no-preference) {
  .flow-strip i { animation: flow 2.6s linear infinite; }
  .flow-strip--light i { animation-duration: 3.2s; }
}
@keyframes flow { to { left: 100%; } }

/* Connector catalog */
.catalog-tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.field-search {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 14px;
  min-width: min(360px, 100%);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  background: var(--surface);
}
.field-search input { align-self: stretch; flex: 1; background: none; border: 0; color: var(--text); font: inherit; font-size: 1rem; min-width: 0; }
.field-search input:focus { outline: none; }
.field-search:focus-within { border-color: var(--accent); }
.field-search svg { width: 16px; height: 16px; color: var(--text-3); }
.catalog { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.catalog__group { background: var(--bg); padding: 20px; }
.catalog__group h3 { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 400; color: var(--text-3); margin-bottom: 14px; }
.catalog__group li { padding: 7px 0; font-size: 0.9rem; color: var(--text-2); display: flex; justify-content: space-between; gap: 8px; }
.catalog__group li mark { background: none; color: var(--accent); }
.catalog__group li .tag { color: var(--accent); border-color: var(--accent-line); }
@media (max-width: 960px) { .catalog { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .catalog { grid-template-columns: 1fr; } }

/* Feature rows (used instead of card grids) */
.feature-rows { border-top: 1px solid var(--line); }
.feature-row {
  display: grid;
  grid-template-columns: 3fr 4fr 5fr;
  gap: 16px 40px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}
.feature-row__num { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-3); padding-top: 4px; }
.feature-row p { color: var(--text-2); }
.feature-row ul { display: grid; gap: 8px; color: var(--text-2); font-size: 0.9375rem; }
.feature-row ul li { position: relative; padding-left: 22px; }
.feature-row ul li::before { content: "—"; position: absolute; left: 0; top: 0; color: var(--text-3); }
.feature-row--2 { grid-template-columns: 1fr 2fr; }
@media (max-width: 860px) { .feature-row, .feature-row--2 { grid-template-columns: 1fr; } }

.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; }
.cols-3 > * { background: var(--bg); padding: clamp(20px, 3vw, 32px); display: grid; gap: 14px; align-content: start; }
.cols-3 ul { display: grid; gap: 8px; font-size: 0.9rem; color: var(--text-2); }
.cols-3 li { position: relative; padding-left: 22px; }
.cols-3 li::before { content: "✓"; position: absolute; left: 0; top: 3px; color: var(--accent); font-size: 0.75rem; }
@media (max-width: 960px) { .cols-3 { grid-template-columns: 1fr; } }

.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-l); overflow: hidden; }
.cols-2 > * { background: var(--bg); padding: clamp(20px, 3vw, 32px); display: grid; gap: 12px; align-content: start; }
@media (max-width: 760px) { .cols-2 { grid-template-columns: 1fr; } }

/* AI flow stepper */
.ai-flow .window__body { display: grid; grid-template-columns: 5fr 7fr; gap: 0; padding: 0; }
.ai-flow__ask { padding: 24px; border-right: 1px solid var(--line); display: grid; gap: 16px; align-content: start; }
.ai-flow__ask textarea {
  width: 100%;
  min-height: 110px;
  resize: vertical;
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  background: var(--bg-raised);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  line-height: 1.5;
}
.ai-flow__ask textarea:focus { outline: none; border-color: var(--accent); }
.ai-flow__run { padding: 24px; display: grid; gap: 16px; align-content: start; min-width: 0; }
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 4px; }
.steps li {
  padding: 8px 6px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-3);
  text-align: center;
  transition: all 0.3s;
}
.steps li.is-on { border-color: var(--accent-line); color: var(--accent); background: var(--accent-soft); }
.steps li.is-now { border-color: var(--accent); color: var(--text); }
.flow-log { min-height: 280px; padding: 16px; background: var(--bg-raised); border: 1px solid var(--line); border-radius: var(--r-s); display: grid; gap: 10px; align-content: start; }
.flow-log__line { font-family: var(--font-mono); font-size: 0.75rem; color: var(--text-2); line-height: 1.6; }
.flow-log__line b { color: var(--accent); font-weight: 400; }
@media (max-width: 860px) {
  .ai-flow .window__body { grid-template-columns: 1fr; }
  .ai-flow__ask { border-right: 0; border-bottom: 1px solid var(--line); }
  .steps { grid-template-columns: repeat(3, 1fr); }
}

/* Guardrail table */
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { text-align: left; padding: 18px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th { width: 30%; font-weight: 550; padding-right: 24px; }
.spec-table td { color: var(--text-2); }
.spec-table thead th { font-family: var(--font-mono); font-size: 0.75rem; font-weight: 400; color: var(--text-3); padding-top: 0; }
.spec-table tr:first-child th, .spec-table tr:first-child td { border-top: 1px solid var(--line); }
.spec-table thead tr:first-child th { border-top: 0; }
@media (max-width: 640px) {
  .spec-table, .spec-table tbody, .spec-table tr, .spec-table th, .spec-table td { display: block; width: 100%; }
  .spec-table thead { display: none; }
  .spec-table th { border-bottom: 0; padding-bottom: 4px; }
  .spec-table td { padding-top: 0; }
}

/* Solutions page */
.sol-page { display: grid; grid-template-columns: 240px 1fr; gap: clamp(32px, 5vw, 80px); align-items: start; }
.sol-index { position: sticky; top: calc(var(--header-h) + 32px); display: grid; gap: 2px; }
.sol-index a { padding: 8px 12px; border-left: 1px solid var(--line); color: var(--text-3); font-size: 0.9rem; }
.sol-index a:hover { color: var(--text); }
.sol-index a.is-current { color: var(--text); border-left-color: var(--accent); }
.sol-block { padding-bottom: clamp(56px, 7vw, 96px); margin-bottom: clamp(56px, 7vw, 96px); border-bottom: 1px solid var(--line); scroll-margin-top: calc(var(--header-h) + 32px); }
.sol-block:last-child { border-bottom: 0; margin-bottom: 0; }
.sol-block__head { display: grid; gap: 14px; margin-bottom: 32px; max-width: 760px; }
.sol-block .sol-panel { border-top: 1px solid var(--line); border-radius: var(--r); }
.questions { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 8px; }
.questions li { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.8125rem; color: var(--text-2); }
@media (max-width: 960px) {
  .sol-page { grid-template-columns: 1fr; }
  .sol-index { display: none; }
}

/* Phases (resources) */
.phases { display: grid; }
.phase {
  display: grid;
  grid-template-columns: 60px 1.2fr 120px 2fr 1.2fr;
  gap: 16px 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
}
.phase:first-child { border-top: 1px solid var(--line); }
.phase__num { font-family: var(--font-mono); color: var(--accent); font-size: 0.8125rem; }
.phase b { font-weight: 550; }
.phase p { color: var(--text-2); font-size: 0.9375rem; }
.phase .meta { font-size: 0.8125rem; }
.phase-head { color: var(--text-3); font-family: var(--font-mono); font-size: 0.72rem; border-top: 0 !important; padding-bottom: 12px; }
@media (max-width: 960px) {
  .phase { grid-template-columns: 48px 1fr; }
  .phase > :nth-child(n+3) { grid-column: 2; }
  .phase-head { display: none; }
}

.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  font-size: 1.0625rem;
  font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 400; font-size: 1.25rem; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 0 24px; max-width: 760px; color: var(--text-2); display: grid; gap: 12px; }

.checklist { display: grid; gap: 10px; }
.checklist li { position: relative; padding-left: 30px; color: var(--text-2); }
.checklist li::before { content: "✓"; position: absolute; left: 0; top: 3px; color: var(--accent); font-size: 0.8125rem; }

/* Principles (company) */
.principles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); }
.principle { padding: 32px 32px 32px 0; border-bottom: 1px solid var(--line); display: grid; gap: 12px; align-content: start; }
.principle:nth-child(2n) { padding: 32px 0 32px 32px; border-left: 1px solid var(--line); }
.principle p { color: var(--text-2); }
@media (max-width: 760px) {
  .principles { grid-template-columns: 1fr; }
  .principle, .principle:nth-child(2n) { padding: 28px 0; border-left: 0; }
}

/* ==========================================================================
   Forms
   ========================================================================== */

.form-layout { display: grid; grid-template-columns: 7fr 5fr; gap: clamp(32px, 5vw, 80px); align-items: start; }
@media (max-width: 960px) { .form-layout { grid-template-columns: 1fr; } }

.form { display: grid; gap: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }
.field { display: grid; gap: 8px; align-content: start; }
.field label, .field legend { font-size: 0.875rem; font-weight: 500; }
.field .opt { color: var(--text-3); font-weight: 400; }
.field input[type="text"], .field input[type="email"], .field input[type="url"], .field select, .field textarea {
  width: 100%;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  background: var(--surface);
  color: var(--text);
  font: inherit;
  font-size: 1rem;
  transition: border-color 0.2s;
}
.field textarea { height: auto; min-height: 120px; padding: 12px 14px; resize: vertical; line-height: 1.5; }
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%); background-position: calc(100% - 20px) 21px, calc(100% - 15px) 21px; background-size: 5px 5px; background-repeat: no-repeat; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field [aria-invalid="true"] { border-color: var(--crit); }
.field-error { font-size: 0.8125rem; color: var(--crit); }
.field-hint { font-size: 0.8125rem; color: var(--text-3); }
fieldset.field { border: 0; padding: 0; margin: 0; }
.choice-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.choice {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-s);
  font-size: 0.9rem;
  color: var(--text-2);
  cursor: pointer;
}
.choice input { position: absolute; opacity: 0; inset: 0; cursor: pointer; margin: 0; }
.choice:has(input:checked) { border-color: var(--accent-line); background: var(--accent-soft); color: var(--text); }
.choice:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: 2px; }
.choice__box { width: 14px; height: 14px; border: 1px solid var(--text-3); border-radius: 3px; flex: none; display: grid; place-items: center; font-size: 10px; }
.choice__box--radio { border-radius: 50%; }
.choice:has(input:checked) .choice__box { border-color: var(--accent); background: var(--accent); color: var(--bg); }
.choice:has(input:checked) .choice__box::after { content: "✓"; }
.choice:has(input:checked) .choice__box--radio::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--bg); }
.choice input:checked + .choice__box { border-color: var(--accent); background: var(--accent); color: var(--bg); }
.choice input:checked + .choice__box::after { content: "✓"; }
.choice input:checked + .choice__box--radio::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--bg); }
.choice input:focus-visible + .choice__box { outline: 2px solid var(--accent); outline-offset: 2px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-status { padding: 14px 16px; border-radius: var(--r-s); border: 1px solid var(--line-strong); font-size: 0.9375rem; }
.form-status--error { border-color: var(--crit); color: var(--text); }
.form-success { padding: 32px; border: 1px solid var(--accent-line); border-radius: var(--r-l); background: var(--surface); display: grid; gap: 14px; }

.aside-card { padding: 28px; border: 1px solid var(--line); border-radius: var(--r-l); background: var(--surface); display: grid; gap: 20px; }
.numbered { display: grid; gap: 18px; counter-reset: n; }
.numbered li { display: grid; grid-template-columns: 30px 1fr; gap: 12px; }
.numbered li::before { counter-increment: n; content: "0" counter(n); font-family: var(--font-mono); font-size: 0.75rem; color: var(--accent); padding-top: 3px; }
.numbered b { display: block; font-weight: 550; margin-bottom: 2px; }
.numbered p { font-size: 0.9rem; color: var(--text-2); }

/* Prose (legal) */
.prose { max-width: 720px; color: var(--text-2); }
.prose h2 { color: var(--text); font-size: 1.375rem; letter-spacing: -0.015em; margin: 48px 0 14px; }
.prose h3 { color: var(--text); font-size: 1.0625rem; margin: 28px 0 10px; }
.prose p, .prose ul { margin: 0 0 14px; }
.prose ul { list-style: disc; padding-left: 20px; display: grid; gap: 6px; }
.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* Utility spacing */
.mt-s { margin-top: 16px; }
.mt-m { margin-top: 32px; }
.mt-l { margin-top: clamp(48px, 6vw, 80px); }

/* ==========================================================================
   Device adaptations
   ========================================================================== */

/* Horizontal strips (capability tabs, AI prompts) snap on touch devices */
@media (max-width: 960px) {
  .cap-tabs, .prompt-list { scroll-snap-type: x proximity; scroll-padding-inline: var(--gutter); }
  .cap-tab, .prompt-btn { scroll-snap-align: start; }
}

/* Touch screens: comfortable 44px targets for every control */
@media (pointer: coarse) {
  .segmented button { min-height: 40px; padding-inline: 14px; }
  .btn--sm { --btn-h: 44px; }
  .cap-tab { min-height: 44px; }
  .pause-btn, .replay { min-height: 40px; padding-inline: 12px; }
  .site-header .brand { padding-block: 9px; }
  .site-footer .brand { padding-block: 8px; }
  .site-footer li + li { margin-top: 2px; }
  .site-footer li a { display: inline-block; padding-block: 9px; min-width: 44px; }
  .site-footer__bottom a { display: inline-block; padding-block: 9px; }
  .arrow-link { padding-block: 9px; }
  .sql-toggle summary { padding-block: 12px; }
  .faq summary { padding-block: 20px; }
  .sol-index a { padding-block: 10px; }
}

/* Hover-only effects stay off touch screens so they don't stick after a tap */
@media (hover: none) {
  .prompt-btn:hover, .sol-tab:hover, .role-btn:hover, .btn--ghost:hover { background: transparent; }
  .prompt-btn[aria-pressed="true"], .sol-tab[aria-selected="true"] { background: var(--surface); }
  .role-btn[aria-pressed="true"] { background: var(--accent-soft); }
}

/* Small phones (iPhone SE, compact Android) */
@media (max-width: 380px) {
  :root { --gutter: 16px; }
  .btn { padding: 0 16px; }
  .actions .btn { flex: 1 1 auto; }
  .window__body { padding: 14px; }
  .solutions-picker { grid-template-columns: 1fr; }
  .sol-tab { border-right: 0 !important; border-bottom: 1px solid var(--line); }
  .role-demo__side { grid-template-columns: 1fr; }
  .role-btn { grid-template-columns: 34px 1fr; text-align: left; justify-items: start; }
  .indicators { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
}

/* Phones in landscape and other short viewports */
@media (max-height: 520px) and (orientation: landscape) {
  :root { --header-h: 56px; --section: 64px; }
  .hero, .page-hero { padding-top: calc(var(--header-h) + 40px); }
  .mobile-menu a.mobile-menu__link { padding-block: 12px; font-size: 1.125rem; }
  .mobile-menu__actions { flex-direction: row; display: flex; }
}

/* Tablets: two-column footer links, roomier capability screens */
@media (min-width: 700px) and (max-width: 1080px) {
  .cap-screen .window__body { min-height: 360px; }
  .ai-evidence { grid-template-columns: repeat(3, 1fr); }
}

@media print {
  :root {
    --bg: #fff; --bg-raised: #fff; --surface: #fff; --surface-2: #f6f7f9; --surface-3: #eceff3;
    --line: #d9dee5; --line-strong: #c3cad3; --text: #111; --text-2: #333; --text-3: #555;
    --accent: #0369a1; --shadow: none;
  }
  .site-header, .skip-link, .mobile-menu, .cta-band__art, .backdrop-grid, .replay, .pause-btn { display: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .hero, .page-hero { padding-top: 24px; }
}