/* ==========================================================================
   AnswerDove — AI Expert Answer Resolution Platform
   ========================================================================== */

:root {
  --mist: #EDF2FF;
  --ink: #182033;
  --paper: #FFFDF7;
  --blue: #3659E8;
  --coral: #F06A4F;
  --olive: #8FAF3F;
  --teal: #1CB7B0;
  --ai: #9A75E8;
  --ok: #32B982;
  --wait: #E8AB38;
  --risk: #E6536C;

  --card-dark: #232D44;
  --card-light: #FFFFFF;
  --border-dark: #3A4965;
  --border-light: #CFD7E8;
  --heading-dark: #F7F9FF;
  --heading-light: #20263A;
  --body-dark: #C5CEE0;
  --body-light: #62697A;

  --heading: var(--heading-light);
  --body: var(--body-light);
  --card: var(--card-light);
  --border: var(--border-light);
  --page-bg: var(--paper);

  --font: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-card: 0 18px 40px -20px rgba(24, 32, 51, 0.18);
  --shadow-lift: 0 24px 60px -24px rgba(24, 32, 51, 0.28);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--page-bg);
  color: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5, p { margin: 0; }

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--blue);
  outline-offset: 1px;
}

input[type="checkbox"] { accent-color: var(--blue); width: 18px; height: 18px; }

h1, h2, h3, h4, h5 {
  color: var(--heading);
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

code {
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 0.92em;
  background: rgba(54, 89, 232, 0.08);
  padding: 2px 6px;
  border-radius: 5px;
}

.site-shell { display: flex; flex-direction: column; min-height: 100vh; }
.site-shell main { flex: 1; }
.auth-body { margin: 0; min-height: 100vh; }

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.mt-s { margin-top: var(--space-4) !important; }
.mt-m { margin-top: var(--space-6) !important; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--space-3);
}

.kicker::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
}

.lead { font-size: 17px; color: var(--body); line-height: 1.6; }

.mono-label {
  display: inline-block;
  font-family: ui-monospace, "SFMono-Regular", Menlo, monospace;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--body);
  opacity: 0.85;
}

.hint-line {
  font-size: 13.5px;
  color: var(--body);
  margin-top: var(--space-4);
  position: relative;
  padding-left: 17px;
}

.hint-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

.sec-head { max-width: 680px; margin-bottom: var(--space-7); }
.sec-head h2 { font-size: clamp(26px, 3.2vw, 36px); margin-top: var(--space-2); }
.sec-head .lead { margin-top: var(--space-3); }

.how-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  counter-reset: step;
}

.how-grid li {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-6) var(--space-4) var(--space-4);
  font-size: 13.5px;
  color: var(--body);
  counter-increment: step;
}

.how-grid li::before {
  content: counter(step);
  position: absolute;
  top: -13px;
  left: var(--space-4);
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.how-grid li b {
  display: block;
  color: var(--heading);
  font-size: 14.5px;
  margin-bottom: 4px;
}

.section { padding: var(--space-7) 0; }
.section--tight { padding: var(--space-5) 0; }
.section--paper { background: var(--paper); }
.section--mist { background: var(--mist); }

.section--ink,
.section--signal {
  background: var(--ink);
  --heading: var(--heading-dark);
  --body: var(--body-dark);
  --card: var(--card-dark);
  --border: var(--border-dark);
  color: var(--body-dark);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 24px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease), opacity 0.2s var(--ease);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 9px 18px; font-size: 13.5px; }
.btn-lg { padding: 16px 30px; font-size: 16px; }

.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 14px 30px -14px rgba(54, 89, 232, 0.55);
}

.btn-primary:hover {
  background: #4a6cf0;
  box-shadow: 0 16px 34px -12px rgba(54, 89, 232, 0.65);
}

.btn-coral {
  background: var(--coral);
  color: #fff;
  box-shadow: 0 14px 30px -14px rgba(240, 106, 79, 0.45);
}

.btn-coral:hover { background: #f57d65; }

.btn-olive {
  background: var(--olive);
  color: #fff;
}

.btn-teal {
  background: var(--teal);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  color: var(--heading-light);
  border-color: rgba(32, 38, 58, 0.22);
}

.btn-ghost:hover { border-color: rgba(32, 38, 58, 0.45); background: rgba(54, 89, 232, 0.04); }

.btn-line {
  background: transparent;
  color: var(--heading-light);
  border-color: transparent;
  border-bottom: 1px solid rgba(32, 38, 58, 0.4);
  border-radius: 2px;
  padding: 6px 2px;
}

.btn-line:hover { border-bottom-color: currentColor; }
.btn.is-active { box-shadow: 0 0 0 2px rgba(54, 89, 232, 0.25) inset; }

.section--ink .btn-ghost,
.section--signal .btn-ghost,
.page-hero--ink .btn-ghost,
.page-stage--ink .btn-ghost,
.dove-hero .btn-ghost,
.auth-panel .btn-ghost,
.auth-aside .btn-ghost,
.pneumatic-line .btn-ghost,
.packet-cinema .btn-ghost,
.section--ink .btn-line,
.section--signal .btn-line,
.page-hero--ink .btn-line,
.page-stage--ink .btn-line,
.dove-hero .btn-line,
.auth-panel .btn-line,
.auth-aside .btn-line,
.pneumatic-line .btn-line,
.packet-cinema .btn-line {
  color: var(--heading-dark);
}

.section--ink .btn-ghost,
.section--signal .btn-ghost,
.page-hero--ink .btn-ghost,
.page-stage--ink .btn-ghost,
.dove-hero .btn-ghost,
.auth-panel .btn-ghost,
.auth-aside .btn-ghost,
.pneumatic-line .btn-ghost,
.packet-cinema .btn-ghost {
  border-color: rgba(247, 249, 255, 0.32);
}

.section--ink .btn-ghost:hover,
.section--signal .btn-ghost:hover,
.page-hero--ink .btn-ghost:hover,
.page-stage--ink .btn-ghost:hover,
.dove-hero .btn-ghost:hover,
.auth-panel .btn-ghost:hover,
.auth-aside .btn-ghost:hover,
.pneumatic-line .btn-ghost:hover,
.packet-cinema .btn-ghost:hover {
  border-color: rgba(247, 249, 255, 0.6);
  background: rgba(247, 249, 255, 0.06);
}

.section--ink .btn-line,
.section--signal .btn-line,
.page-hero--ink .btn-line,
.page-stage--ink .btn-line,
.dove-hero .btn-line,
.auth-panel .btn-line,
.auth-aside .btn-line,
.pneumatic-line .btn-line,
.packet-cinema .btn-line {
  border-bottom-color: rgba(247, 249, 255, 0.45);
}

.linkish {
  background: none;
  border: none;
  padding: 0;
  color: var(--blue);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Announce bar ---------- */

.announce-bar {
  background: linear-gradient(90deg, #dce6ff 0%, #edf2ff 50%, #dce6ff 100%);
  border-bottom: 1px solid rgba(54, 89, 232, 0.18);
  color: var(--heading-light);
}

.announce-bar-inner {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 9px var(--space-6);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.announce-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin: 0;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.3;
  color: #20263A;
  text-align: center;
  white-space: nowrap;
  max-width: 100%;
}

.announce-pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
  box-shadow: 0 0 0 2px rgba(54, 89, 232, 0.2);
  flex: none;
  animation: announce-pulse 2.4s ease-out infinite;
}

@keyframes announce-pulse {
  0% { box-shadow: 0 0 0 0 rgba(54, 89, 232, 0.45); }
  70% { box-shadow: 0 0 0 8px rgba(54, 89, 232, 0); }
  100% { box-shadow: 0 0 0 0 rgba(54, 89, 232, 0); }
}

.announce-cta {
  color: var(--blue);
  font-weight: 700;
  white-space: nowrap;
  border-bottom: 1px solid rgba(54, 89, 232, 0.45);
  flex: none;
}

.announce-cta:hover { color: #2848c9; border-bottom-color: #2848c9; }

@media (max-width: 820px) {
  .announce-text {
    white-space: normal;
    flex-wrap: wrap;
    font-size: 12.5px;
    gap: 6px 10px;
  }
}

/* ---------- Header — white narrow sticky ---------- */

.site-top { position: sticky; top: 0; z-index: 100; }

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border-light);
  box-shadow: 0 1px 0 rgba(24, 32, 51, 0.04);
}

.header-inner {
  max-width: 1320px;
  margin: 0 auto;
  padding: 12px var(--space-6);
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(120px, 1fr);
  align-items: center;
  column-gap: var(--space-4);
}

.header-left { justify-self: start; min-width: 0; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo-mark { flex: none; line-height: 0; display: inline-flex; align-items: center; justify-content: center; }
.logo-mark svg { display: block; width: 28px; height: 28px; }
.logo-mark--hero svg { width: 44px; height: 44px; }

.brand-lockup {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: var(--space-2);
}

.brand-name {
  color: var(--heading-light);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.nav-main {
  justify-self: center;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 4px 16px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--body-light);
  padding: 6px 0;
  white-space: nowrap;
  transition: color 0.2s var(--ease);
}

.nav-link:hover { color: var(--heading-light); }

.return-notch {
  display: inline-flex;
  align-items: center;
  color: var(--blue);
  flex: none;
  width: 18px;
  height: 12px;
}
.return-notch svg { display: block; width: 18px; height: 12px; overflow: visible; }

.nav-link.is-active { color: var(--blue); }

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.header-signin {
  color: var(--heading-light);
  font-size: 13.5px;
  font-weight: 600;
  white-space: nowrap;
  padding: 6px 2px;
  border-bottom: 1px solid transparent;
}

.header-signin:hover {
  color: var(--blue);
  border-bottom-color: rgba(54, 89, 232, 0.4);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-light);
  color: var(--heading-light);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  font-size: 18px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  padding: 0 var(--space-6) var(--space-5);
  background: #fff;
  border-bottom: 1px solid var(--border-light);
}

.mobile-nav.is-open { display: flex; }

.mobile-nav a {
  padding: var(--space-3) var(--space-2);
  color: var(--body-light);
  font-weight: 600;
  font-size: 15px;
  border-radius: var(--radius-sm);
}

.mobile-nav a:hover { color: var(--heading-light); background: var(--mist); }
.mobile-nav a.is-active { color: var(--blue); }
.mobile-nav .btn { margin-top: var(--space-2); align-self: flex-start; }

.user-menu { position: relative; }

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  border: none;
  font-weight: 700;
  font-size: 12px;
}

.user-dropdown {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 220px;
  background: var(--card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  flex-direction: column;
  gap: 2px;
  box-shadow: var(--shadow-lift);
  z-index: 20;
}

.user-dropdown.is-open { display: flex; }

.user-workspace-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--body-dark);
  padding: var(--space-2) var(--space-3) var(--space-1);
}

.user-dropdown a,
.user-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--heading-dark);
  background: transparent;
  border: none;
  font-size: 14px;
  font-weight: 500;
}

.user-dropdown a:hover,
.user-dropdown button:hover { background: rgba(247, 249, 255, 0.06); }

.user-dropdown [data-sign-out] {
  color: var(--coral);
  margin-top: 4px;
  border-top: 1px solid var(--border-dark);
  padding-top: var(--space-3);
}

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

.site-footer {
  background: var(--ink);
  color: var(--body-dark);
  padding-top: var(--space-9);
}

.footer-grid {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6) var(--space-8);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.footer-col h4 {
  color: var(--heading-dark);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a { font-size: 14.5px; color: var(--body-dark); transition: color 0.2s var(--ease); }
.footer-col a:hover { color: #fff; }

.footer-bar { border-top: 1px solid rgba(247, 249, 255, 0.08); padding: var(--space-6) 0; }

.footer-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
  font-size: 13px;
}

.footer-tagline {
  flex: 1 1 100%;
  max-width: 720px;
  font-size: 13.5px;
  color: var(--body-dark);
  opacity: 0.85;
  order: 2;
}

.footer-legal { display: flex; gap: var(--space-5); }
.footer-legal a:hover { color: #fff; }

/* ---------- Page stage (dense subpage composition) ---------- */

.page-stage {
  padding: var(--space-5) 0 var(--space-6);
  position: relative;
  overflow: hidden;
}
.page-stage--paper { background: var(--paper); }
.page-stage--mist { background: var(--mist); }
.page-stage--ink {
  background: var(--ink);
  --heading: var(--heading-dark);
  --body: var(--body-dark);
  --card: var(--card-dark);
  --border: var(--border-dark);
  color: var(--body-dark);
}
.page-stage--ink::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 320px at 90% 0%, rgba(54, 89, 232, 0.22), transparent 70%),
    radial-gradient(480px 300px at 10% 100%, rgba(28, 183, 176, 0.12), transparent 70%);
  pointer-events: none;
}
.page-stage > .container { position: relative; z-index: 1; }

.page-stage-head {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-5);
  align-items: end;
  margin-bottom: var(--space-5);
}
.page-stage-head--split {
  grid-template-columns: 1.2fr 0.9fr;
  align-items: stretch;
}
.page-stage-copy h1 {
  font-size: clamp(28px, 3.6vw, 42px);
  color: var(--heading);
  margin-top: var(--space-2);
  max-width: 22ch;
}
.page-stage-copy .lead {
  margin-top: var(--space-3);
  max-width: 62ch;
  font-size: 15.5px;
}
.page-stage-actions,
.page-hero-actions {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  justify-content: flex-end;
  max-width: 420px;
}
.page-stage-head--split .page-stage-actions { justify-content: flex-start; margin-top: var(--space-4); max-width: none; }

.page-stage-companion {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  background: #fff;
}
.page-stage--ink .page-stage-companion {
  border-color: var(--border-dark);
  background: rgba(255, 255, 255, 0.04);
}
.companion-rail {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.companion-rail li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(24, 32, 51, 0.08);
  font-size: 13px;
}
.page-stage--ink .companion-rail li { border-bottom-color: rgba(255, 255, 255, 0.08); }
.companion-rail b { color: var(--blue); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.companion-rail span { color: var(--heading); }

.page-stage-body { min-height: 0; }

/* Legacy aliases */
.page-hero { padding: var(--space-5) 0 var(--space-6); position: relative; overflow: hidden; }
.page-hero-inner { max-width: none; position: relative; z-index: 1; }
.page-hero--paper { background: var(--paper); }
.page-hero--mist { background: var(--mist); }
.page-hero--ink {
  background: var(--ink);
  --heading: var(--heading-dark);
  --body: var(--body-dark);
  --card: var(--card-dark);
  --border: var(--border-dark);
  color: var(--body-dark);
}
.page-hero h1 { font-size: clamp(28px, 3.6vw, 42px); color: var(--heading); margin-top: var(--space-2); }
.page-hero .lead { margin-top: var(--space-3); max-width: 62ch; }

/* ---------- Home — full-width Answer Return Path (not left-copy / right-card) ---------- */

.answer-hero,
.dove-hero {
  position: relative;
  background: var(--mist);
  color: var(--body-light);
  padding: var(--space-7) 0 var(--space-8);
  overflow: hidden;
}

.answer-hero::after,
.dove-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(780px 420px at 50% -20%, rgba(54, 89, 232, 0.14), transparent 60%),
    radial-gradient(520px 320px at 100% 80%, rgba(28, 183, 176, 0.08), transparent 70%);
  pointer-events: none;
}

.answer-hero--path > .container { position: relative; z-index: 1; }

.path-brand {
  text-align: center;
  max-width: none;
  margin: 0 auto var(--space-6);
}

.path-brand .brand-lockup { margin-top: 0; }
.path-brand .brand-mark {
  font-size: clamp(40px, 6vw, 64px);
  margin-top: 0;
}
.path-brand .brand-headline {
  font-size: clamp(18px, 2.2vw, 26px);
  margin-top: var(--space-4);
  max-width: none;
  margin-inline: auto;
  white-space: nowrap;
  letter-spacing: -0.02em;
}
.path-brand .brand-desc {
  margin: var(--space-4) auto 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.55;
  color: var(--body-light);
}
.path-brand .brand-slogan {
  margin-top: var(--space-3);
  font-size: clamp(15px, 1.8vw, 18px);
  color: var(--blue);
  font-weight: 600;
}
.path-brand .kicker--below {
  margin-top: var(--space-5);
  justify-content: center;
}

.return-path-stage {
  background: #fff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lift);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: min(72vh, 720px);
}

.path-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-light);
  background: linear-gradient(180deg, #f7f9ff, #fff);
}

.path-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-left: auto;
}

.path-body {
  flex: 1;
  display: grid;
  grid-template-rows: auto auto 1fr;
  gap: var(--space-5);
  padding: var(--space-5);
  background:
    linear-gradient(180deg, rgba(54, 89, 232, 0.04), transparent 40%),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 47px,
      rgba(54, 89, 232, 0.05) 47px,
      rgba(54, 89, 232, 0.05) 48px
    );
}

.path-capsule {
  max-width: 920px;
  margin: 0 auto;
  width: 100%;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 2px solid var(--blue);
  background: rgba(237, 242, 255, 0.85);
  box-shadow: 0 18px 40px -24px rgba(54, 89, 232, 0.55);
}

.path-capsule p {
  margin-top: var(--space-3);
  font-size: 16px;
  line-height: 1.55;
  color: var(--heading-light);
  font-weight: 600;
}

.path-rail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.path-rail::before {
  content: "";
  position: absolute;
  left: 4%;
  right: 4%;
  top: 18px;
  height: 3px;
  background: linear-gradient(90deg, var(--coral), var(--wait), var(--blue), var(--teal), var(--ok));
  border-radius: 2px;
  opacity: 0.45;
}

.path-stop {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: 8px;
}

.path-stop::before {
  content: "";
  display: block;
  width: 14px;
  height: 14px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--border-light);
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.9);
}

.path-stop.is-hot::before {
  border-color: var(--coral);
  background: var(--coral);
}

.path-stop.is-active::before {
  border-color: var(--blue);
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(54, 89, 232, 0.2);
}

.path-stop.is-done::before {
  border-color: var(--ok);
  background: var(--ok);
}

.path-stop b {
  display: block;
  font-size: 13px;
  color: var(--heading-light);
}

.path-stop span {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  color: var(--body-light);
}

.return-path-stage .transfer-loop {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
}

.return-path-stage .resolve-flow {
  min-height: 180px;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.92);
}

.path-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border-light);
  background: #fafbff;
}

.keyword-strip--rail {
  justify-content: flex-start;
  margin: 0;
  gap: 6px;
}

.keyword-strip--rail .keyword-chip {
  padding: 4px 10px;
  font-size: 11px;
  background: transparent;
  border-color: var(--border-light);
}

.path-foot .hint-line {
  margin: 0;
  margin-left: auto;
  max-width: 420px;
  text-align: right;
}

.brand-mark {
  font-size: clamp(42px, 7vw, 72px);
  color: var(--heading-light);
  letter-spacing: -0.03em;
  margin-top: var(--space-3);
}

.brand-headline {
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  color: var(--heading-light);
  margin-top: var(--space-3);
  letter-spacing: -0.02em;
}

.brand-slogan {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  color: var(--blue);
  margin-top: var(--space-3);
}

.keyword-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.keyword-chip {
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: #fff;
  border: 1px solid var(--border-light);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--body-light);
}

@media (max-width: 900px) {
  .path-rail { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-4); }
  .path-rail::before { display: none; }
  .return-path-stage .transfer-loop { grid-template-columns: repeat(2, 1fr); }
  .path-toolbar-actions { margin-left: 0; width: 100%; }
  .path-foot .hint-line { text-align: left; margin-left: 0; max-width: none; }
  .return-path-stage { min-height: 0; }
}

.stalled-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.stalled-badge {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--risk);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: rgba(230, 83, 108, 0.1);
  border: 1px solid rgba(230, 83, 108, 0.25);
}

.stalled-question {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 1px solid var(--border-light);
  margin-bottom: var(--space-4);
}

.stalled-question p { color: var(--heading-light); font-size: 15px; line-height: 1.55; }
.stalled-meta { display: block; margin-top: var(--space-3); font-size: 12.5px; color: var(--body-light); }

.transfer-loop {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-2);
  animation: stall-pulse 2.8s ease-in-out infinite;
}

@keyframes stall-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.78; }
}

.transfer-node {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-light);
  background: #fff;
  font-size: 11px;
  text-align: center;
}

.transfer-node .node-label { display: block; font-weight: 700; color: var(--heading-light); margin-bottom: 4px; }
.transfer-node .node-age { display: block; color: var(--wait); font-weight: 600; }
.transfer-node .node-status { display: block; color: var(--body-light); margin-top: 2px; }

.resolve-flow { margin-top: var(--space-4); }
.resolve-phase h3 { font-size: 16px; margin-bottom: var(--space-4); color: var(--heading-light); }

.domain-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.domain-split {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--mist);
  font-size: 13px;
}

.domain-split b { display: block; color: var(--blue); margin-bottom: 6px; }

.fragment-stack { display: grid; gap: var(--space-3); }

.expert-fragment {
  margin: 0;
  padding: var(--space-4);
  border-left: 4px solid var(--blue);
  background: #fff;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border: 1px solid var(--border-light);
  border-left-width: 4px;
  font-size: 14px;
}

.expert-fragment cite {
  display: block;
  font-style: normal;
  font-size: 12px;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 6px;
}

.compiled-answer {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid rgba(50, 185, 130, 0.35);
  background: rgba(50, 185, 130, 0.08);
  font-size: 14px;
  color: var(--heading-light);
}

.source-list { margin-top: var(--space-4); display: grid; gap: var(--space-2); font-size: 13px; }
.source-list li { padding-left: 14px; position: relative; }
.source-list li::before { content: "→"; position: absolute; left: 0; color: var(--blue); }

.tag {
  display: inline-block;
  margin-top: var(--space-4);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag--ok { background: rgba(50, 185, 130, 0.15); color: var(--ok); }
.tag--customer { background: rgba(54, 89, 232, 0.12); color: var(--blue); }
.tag--inferred { background: rgba(232, 171, 56, 0.15); color: var(--wait); }
.tag--must-ask { background: rgba(240, 106, 79, 0.15); color: var(--coral); }
.dissection-segment .tag,
.legend-list .tag { margin-top: 0; }

/* ---------- Public intake form + preview ---------- */

.inspect-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.intake-form,
.resolve-form { display: flex; flex-direction: column; gap: var(--space-4); }

.intake-form label,
.resolve-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--heading-light);
}

.intake-form input,
.intake-form textarea,
.intake-form select,
.resolve-form input,
.resolve-form textarea {
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #fff;
  resize: vertical;
}

.intake-preview,
.resolve-preview {
  background: var(--card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  min-height: 280px;
  color: var(--body-dark);
}

.intake-preview.is-idle,
.resolve-preview.is-idle { border-style: dashed; border-color: var(--border-dark); }

.preview-row {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(247, 249, 255, 0.08);
  font-size: 13.5px;
}

.preview-row span { opacity: 0.75; }
.preview-row b { color: var(--heading-dark); text-align: right; }
.preview-row b.is-warn { color: var(--wait); }

.resolve-preview [data-resolve-result][hidden],
.resolve-preview [data-resolve-cta][hidden],
.resolve-preview [data-resolve-idle][hidden],
.intake-preview [data-intake-result][hidden],
.intake-preview [data-intake-cta][hidden],
.intake-preview [data-intake-idle][hidden] { display: none !important; }

/* ---------- Pain ledger & surface map ---------- */

.pain-ledger {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.ledger-item {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #fff;
}

.ledger-item h3 { font-size: 17px; margin: var(--space-2) 0; color: var(--heading-light); }
.ledger-item p { font-size: 14px; }

.surface-map {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
}

.surface-item {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
  transition: border-color 0.2s, transform 0.2s;
}

.surface-item:hover { border-color: var(--blue); transform: translateY(-2px); }
.surface-item b { display: block; color: var(--blue); font-size: 12px; margin-bottom: 6px; }
.surface-item span { color: var(--heading-dark); font-weight: 600; }

.cta-band { max-width: 720px; }
.cta-band--wide {
  max-width: none;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-6);
  align-items: end;
}
.cta-band h2 { color: var(--heading-dark); font-size: clamp(24px, 3vw, 32px); }

/* ---------- Pneumatic line ---------- */

.pneumatic-line {
  position: relative;
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  color: var(--body-dark);
  overflow: hidden;
}

.pneumatic-track {
  position: relative;
  height: 8px;
  background: rgba(247, 249, 255, 0.12);
  border-radius: var(--radius-pill);
  margin: var(--space-6) 0 var(--space-5);
}

.pneumatic-track::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 50%;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  border-radius: inherit;
  opacity: 0.35;
}

.question-capsule {
  position: absolute;
  top: 50%;
  left: 0%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 36px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.12);
  border: 2px solid rgba(255, 255, 255, 0.45);
  backdrop-filter: blur(6px);
  transition: left 0.45s var(--ease);
}

.line-stations,
.pneumatic-stations {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-2);
}

.line-station,
.pneumatic-station {
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.03);
  text-align: center;
  font-size: 11.5px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.line-station b,
.pneumatic-station b { display: block; color: var(--heading-dark); font-size: 12px; margin-bottom: 4px; }

.line-station .station-num {
  display: block;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 10px;
  color: var(--blue);
  margin-bottom: 4px;
}

.line-station.is-active,
.pneumatic-station.is-active { border-color: var(--blue); background: rgba(54, 89, 232, 0.15); }
.line-station.is-passed,
.pneumatic-station.is-passed { border-color: var(--teal); opacity: 0.85; }

.pneumatic-line.is-paused .question-capsule { animation: capsule-hold 1.2s ease-in-out infinite; }

@keyframes capsule-hold {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50% { transform: translate(-50%, -50%) scale(1.04); }
}

.plat-readout {
  margin-top: var(--space-4);
  font-size: 13px;
  color: var(--heading-dark);
  font-weight: 600;
}

/* ---------- Question dissection ---------- */

.dissection-board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.dissection-segment {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.dissection-segment b { display: block; color: var(--heading-light); margin-bottom: 6px; }
.dissection-segment.is-selected { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(54, 89, 232, 0.12); }
.dissection-segment.is-missing { border-color: var(--wait); background: rgba(232, 171, 56, 0.08); }
.dissection-board.is-analyzed .dissection-segment { border-left: 4px solid var(--blue); }
.dissection-board.is-approved { outline: 2px solid rgba(50, 185, 130, 0.35); border-radius: var(--radius-lg); padding: var(--space-3); }

/* ---------- Responsibility lift ---------- */

.responsibility-lift,
.lift-shaft {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-5);
  align-items: stretch;
}

.lift-rail {
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-2);
  padding: var(--space-4);
  background: var(--ink);
  border-radius: var(--radius-md);
}

.lift-floor {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: var(--card-dark);
  color: var(--body-dark);
  font-size: 13px;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}

.lift-floor b { color: var(--heading-dark); }
.lift-floor.is-selected { border-color: var(--blue); transform: translateX(6px); }
.lift-floor.lift-floor--unowned,
.lift-floor.is-unowned { border-color: var(--risk); }
.lift-floor.has-primary { border-left: 4px solid var(--ok); }
.lift-floor.has-backup { border-right: 4px solid var(--teal); }

.responsibility-lift.is-confirmed,
.lift-shaft.is-confirmed { outline: 2px solid rgba(50, 185, 130, 0.3); border-radius: var(--radius-lg); padding: var(--space-3); }

/* ---------- Clause concordance ---------- */

.clause-concordance,
.concordance-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.clause-row,
.concordance-clause {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #fff;
  cursor: pointer;
}

.clause-row p,
.concordance-clause p { color: var(--heading-light); font-size: 15px; line-height: 1.5; }

.clause-row .source-tag,
.concordance-clause .source-tag {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--blue);
  align-self: start;
}

.clause-row.is-selected,
.concordance-clause.is-selected { border-color: var(--blue); box-shadow: var(--shadow-card); }
.clause-row.has-source,
.concordance-clause.has-source .source-tag { color: var(--ok); }
.clause-row.is-removed,
.concordance-clause.is-removed { opacity: 0.45; text-decoration: line-through; }

.clause-row.is-hollow {
  background: transparent;
  border-style: dashed;
  border-color: var(--risk);
}

.clause-row.is-hollow .clause-text { color: var(--body-light); opacity: 0.75; }
.clause-source.is-missing { color: var(--risk); font-weight: 700; }
.clause-row.is-chain { border-color: var(--teal); }
.evidence-chain {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  font-style: normal;
  font-weight: 700;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.clause-evidence { display: flex; flex-direction: column; gap: 4px; align-items: flex-end; text-align: right; max-width: 220px; }
.clause-evidence cite { font-size: 12px; color: var(--body-light); font-style: normal; }

.clause-concordance.is-assembled,
.concordance-stack.is-assembled { border-left: 4px solid var(--blue); padding-left: var(--space-4); }
.clause-concordance.is-submitted,
.concordance-stack.is-submitted { outline: 2px solid rgba(50, 185, 130, 0.35); border-radius: var(--radius-lg); padding: var(--space-3); }

/* ---------- Claim interference ---------- */

.interference-field {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--ink);
  border-radius: var(--radius-lg);
}

.interference-wave {
  position: relative;
  min-height: 120px;
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: linear-gradient(180deg, rgba(54, 89, 232, 0.2), transparent);
  cursor: pointer;
  font-size: 13px;
}

.interference-wave b { color: var(--heading-dark); display: block; margin-bottom: 6px; }
.interference-wave.is-isolated { box-shadow: 0 0 0 2px var(--wait); }
.interference-wave.is-scoped { border-color: var(--teal); }
.interference-field.is-scanned .interference-wave { animation: wave-scan 0.6s ease; }
.interference-field.is-resolved { outline: 2px solid rgba(50, 185, 130, 0.4); }

.wave-canvas {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 6px;
  height: 28px;
  margin: var(--space-3) 0;
}
.wave-canvas span {
  border-radius: 999px;
  background: repeating-linear-gradient(90deg, var(--teal), var(--teal) 4px, transparent 4px, transparent 8px);
  opacity: 0.55;
}
.wave-canvas .wave-b { background: repeating-linear-gradient(90deg, var(--coral), var(--coral) 4px, transparent 4px, transparent 8px); }
.wave-canvas .wave-mix {
  background: repeating-linear-gradient(90deg, var(--risk), var(--wait) 3px, transparent 3px, transparent 7px);
  opacity: 0.85;
}
.wave-row.is-stable em { color: var(--ok); font-size: 11px; font-style: normal; font-weight: 700; }
.wave-row.is-conflict em { color: var(--risk); font-size: 11px; font-style: normal; font-weight: 700; }
.wave-divider {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--wait);
  margin: var(--space-2) 0;
}

@keyframes wave-scan {
  0% { transform: scale(0.98); opacity: 0.7; }
  100% { transform: scale(1); opacity: 1; }
}

/* ---------- Clearance keys ---------- */

.clearance-keys,
.clearance-panel {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.clearance-key {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 2px solid var(--border-light);
  background: #fff;
  text-align: center;
  cursor: pointer;
  transition: transform 0.25s var(--ease), border-color 0.25s;
}

.clearance-key b { display: block; color: var(--heading-light); margin-bottom: 6px; }
.clearance-key.is-turned { border-color: var(--ok); transform: rotate(-8deg); background: rgba(50, 185, 130, 0.08); }
.clearance-keys.is-released { outline: 2px solid rgba(50, 185, 130, 0.35); border-radius: var(--radius-lg); padding: var(--space-3); }

/* ---------- Answer lineage ---------- */

.answer-lineage {
  padding: var(--space-5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #fff;
}

.lineage-branch {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  margin-bottom: var(--space-2);
  cursor: pointer;
  font-size: 13px;
}

.lineage-branch b { color: var(--heading-light); margin-right: 8px; }
.lineage-branch code { font-size: 11px; margin-left: 8px; }
.lineage-branch.is-selected { border-color: var(--blue); box-shadow: var(--shadow-card); }
.lineage-branch.has-variant { border-left: 4px solid var(--ai); }
.lineage-branch.has-trigger { border-right: 4px solid var(--wait); }

.answer-lineage.is-published { outline: 2px solid rgba(50, 185, 130, 0.35); }

/* ---------- Aging heat field ---------- */

.aging-heat-field,
.aging-field {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-2);
  padding: var(--space-5);
  background: var(--ink);
  border-radius: var(--radius-lg);
  min-height: 220px;
}

.heat-zone,
.aging-zone {
  aspect-ratio: auto;
  min-height: 148px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: var(--space-4) var(--space-3);
  font-size: 12px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  background: rgba(54, 89, 232, calc(var(--heat, 0.3) * 0.5 + 0.15));
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.heat-zone b,
.aging-zone b { display: block; color: var(--heading-dark); font-size: 13px; margin-bottom: 0; line-height: 1.3; }
.heat-count { font-weight: 700; color: var(--teal); font-size: 12px; }
.heat-zone p,
.aging-zone p { margin: 0; opacity: 0.85; line-height: 1.35; }
.heat-zone.is-selected,
.aging-zone.is-selected { box-shadow: 0 0 0 2px #fff; transform: scale(1.03); }
.heat-zone.is-reassigned,
.aging-zone.is-reassigned { outline: 2px dashed var(--teal); }
.heat-zone.is-escalated,
.aging-zone.is-escalated { outline: 2px solid var(--risk); }

.aging-heat-field.is-open,
.aging-field.is-open { animation: heat-glow 1.5s ease; }

@keyframes heat-glow {
  0% { box-shadow: inset 0 0 0 0 rgba(230, 83, 108, 0); }
  50% { box-shadow: inset 0 0 40px rgba(230, 83, 108, 0.15); }
  100% { box-shadow: inset 0 0 0 0 rgba(230, 83, 108, 0); }
}

/* ---------- Packet cinema ---------- */

.packet-cinema {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--ink);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-dark);
}

.cinema-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--space-3);
}

.cinema-frame,
.packet-frame {
  aspect-ratio: 4/5;
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.04);
  font-size: 11px;
  color: var(--body-dark);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.cinema-frame b,
.packet-frame b { display: block; color: var(--heading-dark); font-size: 12px; margin-bottom: 6px; }
.cinema-frame.is-current,
.packet-frame.is-current { border-color: var(--blue); transform: translateY(-4px); background: rgba(54, 89, 232, 0.12); }
.cinema-frame.is-played,
.packet-frame.is-played { border-color: var(--teal); opacity: 0.85; }

.cinema-inspector {
  background: var(--card-dark);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  color: var(--body-dark);
}
.cinema-inspector .mono-label { color: var(--teal); }
.inspector-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-3);
}
.inspector-grid span {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--body-dark);
  opacity: 0.8;
  margin-bottom: 4px;
}
.inspector-grid b {
  color: var(--heading-dark);
  font-size: 13px;
  font-weight: 600;
}
.inspector-grid b.is-ok { color: var(--ok); }

.packet-cinema.is-playing .cinema-frame.is-current { animation: frame-flash 0.7s ease; }
.packet-cinema.is-paused .cinema-inspector { box-shadow: 0 0 0 2px rgba(54, 89, 232, 0.35); }

@keyframes frame-flash {
  0% { box-shadow: 0 0 0 0 rgba(54, 89, 232, 0.5); }
  100% { box-shadow: 0 0 0 12px rgba(54, 89, 232, 0); }
}

.aging-heat-field { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: var(--space-3); min-width: 0; }
.heat-detail {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: var(--card-dark);
  color: var(--body-dark);
}
.heat-detail--rail {
  display: grid;
  grid-template-columns: 1.4fr auto;
  gap: var(--space-5);
  align-items: center;
  margin-top: var(--space-4);
  min-height: 0;
}
.heat-detail-copy p { margin-top: var(--space-2); font-size: 14px; line-height: 1.45; max-width: 62ch; }
.stage-meta--inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin: 0;
  min-width: 220px;
}
.stage-meta--inline li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2) var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  min-width: 96px;
}
.stage-meta--inline span { font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
.stage-meta--inline b { text-align: left; font-size: 13px; }

.punch-rows {
  display: flex;
  gap: 8px;
  margin: var(--space-3) 0;
}
.punch-rows span {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--blue);
  background: radial-gradient(circle at center, var(--mist) 35%, var(--blue) 38%);
  box-shadow: inset 0 0 0 3px #fff;
}

/* ---------- Punch-card pricing ---------- */

.usage-factors {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.usage-factors label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--heading-light);
}

.usage-factors input {
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #fff;
}

.punch-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-8);
  align-items: start;
  padding: var(--space-6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: #fff;
}

.punch-track {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 2px dashed var(--border-light);
  text-align: center;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.punch-track strong { font-size: 32px; color: var(--blue); }

.plan-card {
  padding: var(--space-6);
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 1px solid var(--border-light);
}

.plan-card h3,
.plan-card [data-plan-name] { font-size: 28px; color: var(--heading-light); margin: var(--space-2) 0; }

.plan-card .price,
.plan-card [data-plan-price] {
  font-size: 36px;
  font-weight: 700;
  color: var(--blue);
  margin: var(--space-3) 0;
}

.plan-card .price span,
.plan-card [data-plan-price] span { font-size: 14px; font-weight: 600; color: var(--body-light); }

.plan-card ul,
.plan-card [data-plan-feats] {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-2);
  font-size: 14px;
}

.plan-card li { padding-left: 18px; position: relative; }
.plan-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blue);
}

.chapter-compare { margin-top: var(--space-8); }

/* ---------- Case gallery ---------- */

.case-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.case-card {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #fff;
  font-size: 14px;
}

.case-card b { display: block; color: var(--heading-light); margin: var(--space-2) 0; }

.code-block {
  background: var(--ink);
  color: var(--body-dark);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  overflow-x: auto;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 13px;
  line-height: 1.55;
  margin: var(--space-4) 0;
}

/* ---------- Hub grid, contact, legal ---------- */

.hub-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}

.hub-card {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #fff;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.hub-card b { display: block; color: var(--heading-light); margin-bottom: 6px; }
.hub-card.is-selected { border-color: var(--blue); box-shadow: var(--shadow-card); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
}

.contact-form { display: flex; flex-direction: column; gap: var(--space-4); }

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #fff;
}

.legal-prose { max-width: 720px; font-size: 15px; line-height: 1.7; }
.legal-prose p + p { margin-top: var(--space-4); }

.cookie-panel {
  margin-top: var(--space-6);
  padding: var(--space-5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: #fff;
  display: grid;
  gap: var(--space-4);
}

.cookie-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* ---------- Instrument map, content blocks ---------- */

.instrument-map {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-4);
}

.instrument-card {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #fff;
  font-size: 13px;
  transition: border-color 0.2s, transform 0.2s;
}

.instrument-card:hover { border-color: var(--blue); transform: translateY(-2px); }
.instrument-card b { display: block; color: var(--heading-light); margin-bottom: 4px; }

.pain-grid,
.not-grid,
.feature-grid,
.status-grid,
.changelog-grid {
  display: grid;
  gap: var(--space-4);
}

.pain-grid { grid-template-columns: repeat(3, 1fr); }
.not-grid { grid-template-columns: repeat(3, 1fr); }
.feature-grid { grid-template-columns: repeat(2, 1fr); }

.pain-item,
.not-item,
.feature-card {
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: #fff;
  font-size: 14px;
}

.pain-item b,
.not-item b,
.feature-card b { display: block; color: var(--heading-light); margin-bottom: 6px; }

.diff-terminal,
.api-block {
  background: var(--ink);
  color: var(--body-dark);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  overflow-x: auto;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 13px;
  line-height: 1.55;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.compare-table th,
.compare-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-light);
  text-align: left;
}

.compare-table th { color: var(--heading-light); font-weight: 700; }

/* ---------- Auth dual panel ---------- */

.auth-shell.auth-shell--dual {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.auth-aside {
  position: relative;
  background: var(--ink);
  color: var(--body-dark);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
}

.auth-aside::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(480px 320px at 20% 0%, rgba(54, 89, 232, 0.25), transparent 70%),
    radial-gradient(420px 280px at 90% 100%, rgba(28, 183, 176, 0.12), transparent 70%);
  pointer-events: none;
}

.auth-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-7);
  position: relative;
  z-index: 1;
}

.auth-brand strong { color: var(--heading-dark); font-size: 17px; }

.auth-aside-slogan {
  font-size: 22px;
  font-weight: 700;
  color: var(--heading-dark);
  max-width: 360px;
  position: relative;
  z-index: 1;
}

.auth-stat {
  margin-top: var(--space-6);
  padding: var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dark);
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  z-index: 1;
}

.auth-stat b { font-size: 40px; color: var(--blue); display: block; font-variant-numeric: tabular-nums; }
.auth-stat span { font-size: 13px; color: var(--body-dark); margin-top: 6px; display: block; }

.auth-aside-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-6);
  position: relative;
  z-index: 1;
}

.auth-aside-list li {
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-dark);
  font-size: 12px;
  font-weight: 600;
  color: var(--heading-dark);
}

.auth-aside-quote {
  margin-top: var(--space-6);
  font-size: 15px;
  font-style: italic;
  color: var(--body-dark);
  max-width: 340px;
  position: relative;
  z-index: 1;
}

.auth-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8);
  background: var(--mist);
}

.auth-card {
  width: 100%;
  max-width: 400px;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
}

.auth-card h1 { font-size: 26px; color: var(--heading-light); margin: var(--space-3) 0; }
.auth-card .lead { color: var(--body-light); margin-bottom: var(--space-6); }

.auth-form { display: flex; flex-direction: column; gap: var(--space-4); }

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--heading-light);
}

.auth-form input {
  padding: 12px 14px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #fff;
}

.auth-alt { margin-top: var(--space-5); font-size: 13.5px; color: var(--body-light); text-align: center; }
.auth-foot { margin-top: var(--space-7); font-size: 12px; color: var(--body-light); opacity: 0.7; text-align: center; }

.auth-card .hint-line[data-auth-msg] {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  background: rgba(230, 83, 108, 0.08);
  color: var(--risk);
  padding-left: var(--space-3);
}

.auth-card .hint-line[data-auth-msg]::before { display: none; }
.auth-card .hint-line[data-auth-msg].is-ok { background: rgba(50, 185, 130, 0.12); color: var(--ok); }

/* ---------- Stage layouts (filled product pages) ---------- */

.stage-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.stage-panel {
  padding: var(--space-5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: #fff;
  min-height: 320px;
}
.page-stage--ink .stage-panel {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-dark);
  color: var(--body-dark);
}

.stage-panel-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.9fr;
  gap: var(--space-5);
  align-items: start;
}
.stage-panel-grid--stack { grid-template-columns: 1.45fr 0.9fr; }

.stage-aside {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  background: var(--mist);
  min-height: 220px;
}
.page-stage--ink .stage-aside,
.stage-panel .heat-detail.stage-aside,
.stage-panel .cinema-inspector {
  background: var(--card-dark);
  border-color: var(--border-dark);
  color: var(--body-dark);
}
.stage-aside h2,
.stage-aside h3 { color: var(--heading); font-size: 18px; margin: var(--space-2) 0; }
.page-stage--ink .stage-aside h2,
.page-stage--ink .stage-aside h3 { color: var(--heading-dark); }

.stage-meta {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}
.stage-meta li {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid rgba(24, 32, 51, 0.08);
  font-size: 13px;
}
.page-stage--ink .stage-meta li { border-bottom-color: rgba(255, 255, 255, 0.08); }
.stage-meta span { opacity: 0.75; }
.stage-meta b { color: var(--heading); font-weight: 700; text-align: right; }
.page-stage--ink .stage-meta b { color: var(--heading-dark); }
.stage-meta b.is-warn { color: var(--wait); }
.stage-meta b.is-ok { color: var(--ok); }

.legend-list {
  list-style: none;
  margin: var(--space-3) 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
  font-size: 13px;
}
.clarify-draft,
.lineage-master {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-sm);
  background: #fff;
  border: 1px dashed var(--border-light);
}
.page-stage--ink .clarify-draft,
.page-stage--ink .lineage-master {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-dark);
}
.lineage-master p { margin-top: var(--space-2); font-size: 14px; }

.delivery-outputs {
  list-style: none;
  margin: var(--space-3) 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
  font-size: 13.5px;
}
.delivery-outputs b { color: var(--heading); display: block; margin-bottom: 2px; }

.dissection-source {
  margin: var(--space-3) 0 var(--space-4);
  padding: var(--space-4);
  border-left: 3px solid var(--blue);
  background: var(--mist);
  font-size: 14px;
  color: var(--heading-light);
}
.dissection-board.stage-panel { display: block; }
.dissection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
}

.capsule-track {
  position: relative;
  height: 28px;
  margin: 0 0 var(--space-4);
  background: rgba(247, 249, 255, 0.1);
  border-radius: var(--radius-pill);
}
.pneumatic-line.stage-panel {
  background: transparent;
  padding: 0;
  border: none;
  min-height: 0;
}
.page-stage--ink .pneumatic-line.stage-panel {
  padding: var(--space-5);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
}

.responsibility-lift.stage-panel,
.clause-concordance.stage-panel,
.interference-field.stage-panel,
.answer-lineage.stage-panel,
.clearance-layout.stage-panel,
.ops-stage.stage-panel {
  display: block;
  background: transparent;
  border: none;
  padding: 0;
  min-height: 0;
}
.page-stage--paper .responsibility-lift.stage-panel,
.page-stage--paper .clause-concordance.stage-panel,
.page-stage--paper .answer-lineage.stage-panel,
.page-stage--paper .clearance-layout.stage-panel,
.page-stage--paper .ops-stage.stage-panel,
.page-stage--paper .dissection-board.stage-panel,
.page-stage--paper .price-stage.stage-panel,
.page-stage--paper .about-stage.stage-panel,
.page-stage--paper .integrations-stage.stage-panel,
.page-stage--paper .security-stage.stage-panel,
.page-stage--paper .contact-stage.stage-panel,
.page-stage--paper .cases-stage.stage-panel,
.page-stage--paper .help-stage.stage-panel,
.page-stage--paper .status-stage.stage-panel,
.page-stage--paper .changelog-stage.stage-panel,
.page-stage--paper .legal-stage.stage-panel {
  padding: var(--space-5);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: #fff;
  min-height: 320px;
}
.page-stage--ink .interference-field.stage-panel,
.page-stage--ink .ops-stage.stage-panel,
.page-stage--ink .packet-cinema.stage-panel,
.page-stage--ink .webhooks-stage.stage-panel,
.page-stage--ink .responsibility-lift.stage-panel {
  padding: var(--space-5);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  min-height: 320px;
}

.lift-shaft {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.lift-floor--unowned { grid-column: 1 / -1; }
.floor-label {
  display: block;
  font-weight: 700;
  color: var(--heading-dark);
  margin-bottom: var(--space-2);
}
.floor-assign {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  font-size: 12px;
  margin-top: 4px;
}
.floor-assign span { opacity: 0.7; }
.floor-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-2);
  font-size: 11px;
  opacity: 0.8;
}

.clause-stack { display: flex; flex-direction: column; gap: var(--space-3); }
.interference-stack { display: grid; gap: var(--space-3); }
.interference-field.stage-panel { display: block; background: transparent; }

.clearance-layout .clearance-keys { grid-template-columns: repeat(2, 1fr); }
.aging-heat-field { min-height: 160px; aspect-ratio: auto; }
.heat-detail.stage-aside { margin-top: var(--space-4); }
.ops-stage .aging-heat-field {
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.18);
  border-radius: var(--radius-md);
}

.price-stage .usage-factors { margin-bottom: var(--space-5); }
.punch-card-inner {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 1px solid var(--border-light);
}
.about-grid h2 { font-size: 22px; color: var(--heading-light); }
.spec-callout {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--mist);
  border: 1px solid var(--border-light);
  font-size: 14px;
}
.spec-callout strong { display: block; margin: var(--space-2) 0; color: var(--heading-light); }
.hub-grid { align-content: start; }
.case-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.help-list a { color: var(--blue); font-weight: 600; }
.page-stage--ink .code-block {
  background: rgba(0, 0, 0, 0.25);
  color: var(--heading-dark);
  border-color: var(--border-dark);
}

[hidden] { display: none !important; }

/* ---------- Responsive ---------- */

@media (max-width: 1100px) {
  .how-grid { grid-template-columns: repeat(3, 1fr); }
  .line-stations,
  .pneumatic-stations { grid-template-columns: repeat(4, 1fr); }
  .surface-map { grid-template-columns: repeat(3, 1fr); }
  .clearance-keys,
  .clearance-panel { grid-template-columns: repeat(2, 1fr); }
  .packet-cinema { grid-template-columns: 1fr; }
  .cinema-strip { grid-template-columns: repeat(3, 1fr); }
  .inspector-grid { grid-template-columns: 1fr; }
  .aging-heat-field { grid-template-columns: repeat(2, 1fr); }
  .hub-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .pain-ledger { grid-template-columns: 1fr; }
  .usage-factors { grid-template-columns: repeat(2, 1fr); }
  .transfer-loop { grid-template-columns: repeat(3, 1fr); }
  .page-stage-head { grid-template-columns: 1fr; }
  .page-stage-actions { justify-content: flex-start; max-width: none; }
  .cta-band--wide { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .header-inner { grid-template-columns: 1fr auto; }
  .nav-main { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .header-actions .btn-primary,
  .header-actions .header-signin,
  .header-actions .user-menu { display: none; }
  .inspect-grid,
  .stage-grid,
  .stage-panel-grid,
  .contact-grid,
  .punch-card,
  .responsibility-lift,
  .page-stage-head--split { grid-template-columns: 1fr; }
  .lift-shaft { grid-template-columns: 1fr; }
  .domain-grid,
  .dissection-board,
  .dissection-grid { grid-template-columns: 1fr; }
  .aging-heat-field,
  .aging-field { grid-template-columns: repeat(3, 1fr); }
  .heat-detail--rail { grid-template-columns: 1fr; }
  .interference-field { grid-template-columns: 1fr; }
  .case-gallery { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr 1fr; }
  .surface-map { grid-template-columns: repeat(2, 1fr); }
  .page-stage-companion { display: none; }
}

@media (max-width: 600px) {
  .container { padding: 0 var(--space-4); }
  .header-inner { padding-inline: var(--space-4); }
  .announce-bar-inner { padding-inline: var(--space-4); }
  .path-brand .brand-headline { white-space: normal; max-width: 22ch; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bar-inner { flex-direction: column; align-items: flex-start; }
  .how-grid { grid-template-columns: 1fr; }
  .pneumatic-stations { grid-template-columns: repeat(2, 1fr); }
  .instrument-map { grid-template-columns: 1fr; }
  .auth-shell.auth-shell--dual { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
}