/* etch static landing — soft-brutal palette + layout ported verbatim from the
   retired apps/web landing (globals.css). No framework; plain CSS. */

:root {
  --c-yellow: #ffe34d;
  --c-cyan: #bfe9e0;
  --c-lavender: #d9cff5;
  --c-cream: #f6f1e6;
  --c-lime: #d4f26b;
  --c-coral: #ff8a7a;
  --c-bone: #efeae0;
  --c-offwhite: #fafaf7;
  --ink-warm: #2a2419;
  --c-ground: #ede6d4;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* ---------- frame ---------- */
.landing {
  min-height: 100vh;
  padding: 14px;
  background: var(--c-ground);
  color: var(--ink-warm);
  font-family: Arial, Helvetica, sans-serif;
}
.landing-panel {
  background: var(--c-cream);
  border: 1.5px solid var(--ink-warm);
  box-shadow: 4px 4px 0 0 var(--ink-warm);
  max-width: 980px; margin: 0 auto;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: flex-end;
  gap: 18px;
  padding: 14px 24px 14px 32px;
  border-bottom: 1.5px solid var(--ink-warm);
  flex-wrap: wrap;
}
.topbar-links {
  display: flex; align-items: center; gap: 22px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
}
.topbar-links a {
  color: var(--ink-warm); opacity: .55;
  text-decoration: none;
  cursor: pointer;
}
.topbar-links a:hover { opacity: 1; }
.topbar-divider {
  width: 1.5px; height: 22px;
  background: var(--ink-warm); opacity: .2;
}
/* Sign-in CTA → the SPA (replaces the retired inline magic-link form; auth lives
   in the Flutter app, Decision 4). */
.topbar-cta {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1.5px solid var(--ink-warm);
  box-shadow: 2px 2px 0 0 var(--ink-warm);
  background: var(--c-lime);
  padding: 7px 13px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-warm); text-decoration: none; cursor: pointer;
  transition: box-shadow .12s, transform .12s;
}
.topbar-cta:hover { box-shadow: 3px 3px 0 0 var(--ink-warm); transform: translate(-1px, -1px); }
.topbar-cta:active { box-shadow: 1px 1px 0 0 var(--ink-warm); transform: translate(1px, 1px); }

/* ---------- hero (uses session grid) ---------- */
.hero {
  padding: 56px 56px;
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
}
.hero-head { min-width: 0; }
.hero-eyebrow {
  font-family: ui-monospace, monospace;
  font-size: 11px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .55;
  margin-bottom: 14px;
  display: block;
}
.hero-title {
  font-size: 30px; font-weight: 900;
  letter-spacing: -.025em; line-height: 1.05;
  color: var(--ink-warm);
  margin: 0 0 12px;
  text-wrap: pretty;
}
.hero-lede {
  font-size: 14.5px; line-height: 1.55;
  color: var(--ink-warm); opacity: .75;
  margin: 0;
  text-wrap: pretty;
}

/* hero right: a library shelf teaser */
.hero-shelf {
  display: flex; flex-direction: column; gap: 12px;
}
.hero-shelf-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}
.hero-spine {
  aspect-ratio: 2/3;
  border: 1.5px solid var(--ink-warm);
  box-shadow: 2px 2px 0 0 var(--ink-warm);
  position: relative;
  display: flex; flex-direction: column;
  padding: 10px 8px;
  overflow: hidden;
}
.hero-spine .hero-spine-title {
  font-size: 13px; font-weight: 900;
  letter-spacing: -.015em; line-height: 1.05;
  color: var(--ink-warm);
  text-wrap: pretty;
}
.hero-spine .hero-spine-author {
  margin-top: auto;
  font-family: ui-monospace, monospace;
  font-size: 9px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .65;
}
.hero-spine.add {
  background: transparent;
  border-style: dashed;
  box-shadow: none;
  display: grid; place-items: center;
  text-align: center;
}
.hero-spine.add .plus {
  font-size: 24px; font-weight: 900;
  color: var(--ink-warm); opacity: .55;
  line-height: 1; margin-bottom: 6px;
}
.hero-spine.add .label {
  font-family: ui-monospace, monospace;
  font-size: 9px; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .55;
  line-height: 1.3;
}
@media (max-width: 720px) {
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 40px 28px; }
  .hero-shelf-bar { grid-template-columns: repeat(4, 1fr); }
  .hero-shelf-bar > :first-child { display: grid; }
  .hero-shelf-bar > :last-child { display: none; }
}

/* ---------- agents (session 02) ---------- */
.agent-list {
  display: flex; flex-direction: column; gap: 8px;
}
.agent-card {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center; gap: 14px;
  width: 100%;
  padding: 12px 14px;
  background: #fff;
  border: 1.5px solid var(--ink-warm);
  box-shadow: 2px 2px 0 0 var(--ink-warm);
  text-align: left;
  cursor: pointer;
  font-family: inherit; color: inherit;
  transition: transform .12s, box-shadow .12s;
}
.agent-card:hover { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 0 var(--ink-warm); }
.agent-card.active { background: var(--c-cream); }
.agent-avatar {
  width: 44px; height: 44px;
  border: 1.5px solid var(--ink-warm);
  display: grid; place-items: center;
  font-family: ui-monospace, monospace;
  font-size: 18px; font-weight: 900;
  color: var(--ink-warm);
  line-height: 1;
}
.agent-body { min-width: 0; }
.agent-name {
  font-size: 15px; font-weight: 800;
  letter-spacing: -.01em; line-height: 1.2;
  color: var(--ink-warm);
  margin-bottom: 3px;
}
.agent-style {
  font-size: 13px; line-height: 1.4;
  color: var(--ink-warm); opacity: .7;
  text-wrap: pretty;
}
.agent-active-dot {
  width: 9px; height: 9px;
  background: var(--c-lime);
  border: 1.5px solid var(--ink-warm);
  visibility: hidden;
}
.agent-card.active .agent-active-dot { visibility: visible; }
.agent-card.add {
  grid-template-columns: 44px 1fr;
  background: transparent;
  border-style: dashed;
  box-shadow: none;
  color: var(--ink-warm);
}
.agent-card.add:hover { box-shadow: 2px 2px 0 0 var(--ink-warm); }
.agent-card.add .agent-avatar {
  border-style: dashed;
  background: transparent;
  font-size: 22px;
  opacity: .65;
}
.agent-card.add .agent-style { opacity: .55; }
.agent-card.add .agent-name { opacity: .8; }

.agent-demo {
  margin-top: 14px;
}
.agent-demo-label {
  font-family: ui-monospace, monospace;
  font-size: 10px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .55;
  margin-bottom: 8px;
  padding: 0 2px;
}
.qa-a em.socratic {
  font-style: italic;
  font-weight: 600;
}

/* ---------- qa-card (combined question + answer) ---------- */
.qa-card {
  background: #fff;
  border: 1.5px solid var(--ink-warm);
  box-shadow: 2px 2px 0 0 var(--ink-warm);
}
.qa-q {
  padding: 14px 16px;
  font-size: 14.5px; line-height: 1.5;
  color: var(--ink-warm);
  font-weight: 700;
}
.qa-sep {
  border: 0; border-top: 1.5px dashed var(--ink-warm);
  margin: 0;
  opacity: .5;
}
.qa-a {
  padding: 14px 16px;
  font-size: 14.5px; line-height: 1.5;
  color: var(--ink-warm);
}
.qa-a .t-cite { margin-top: 12px; }

/* ---------- session ---------- */
.session {
  padding: 48px 56px;
  border-top: 1.5px solid var(--ink-warm);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
  align-items: start;
}
.session-head { position: sticky; top: 24px; }
.session-eyebrow {
  font-family: ui-monospace, monospace;
  font-size: 11px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .55;
  margin-bottom: 14px;
  display: block;
}
.session-num {
  color: var(--ink-warm); opacity: 1;
  margin-right: 8px;
  font-weight: 900;
}
.session-title {
  font-size: 30px; font-weight: 900;
  letter-spacing: -.025em; line-height: 1.05;
  color: var(--ink-warm);
  margin: 0 0 12px;
  text-wrap: pretty;
}
.session-lede {
  font-size: 14.5px; line-height: 1.55;
  color: var(--ink-warm); opacity: .75;
  margin: 0;
  text-wrap: pretty;
}

/* transcript body — looks like a fragment lifted from the app */
.transcript { display: flex; flex-direction: column; gap: 12px; }
.transcript-label {
  font-family: ui-monospace, monospace;
  font-size: 10px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .55;
  padding: 0 2px;
}

.t-cite {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 10px;
  padding: 3px 8px 3px 6px;
  background: var(--c-cream);
  border: 1px solid var(--ink-warm);
  font-family: ui-monospace, monospace;
  font-size: 10px; font-weight: 800;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-warm);
}
.t-cite-dot {
  width: 6px; height: 6px;
  background: var(--c-yellow);
  border: 1px solid var(--ink-warm);
  flex: 0 0 auto;
}

/* review card (session 03) */
.review-card {
  background: #fff;
  border: 1.5px solid var(--ink-warm);
  box-shadow: 2px 2px 0 0 var(--ink-warm);
  padding: 16px 18px;
}
.review-prompt {
  font-family: ui-monospace, monospace;
  font-size: 11px; font-weight: 800;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .6;
  margin-bottom: 10px;
}
.review-q {
  font-size: 17px; line-height: 1.4; font-weight: 700;
  color: var(--ink-warm);
  margin-bottom: 6px;
  text-wrap: pretty;
}
.review-from {
  font-family: ui-monospace, monospace;
  font-size: 10.5px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .55;
}
.review-actions {
  display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap;
}
.review-btn {
  border: 1.5px solid var(--ink-warm);
  box-shadow: 2px 2px 0 0 var(--ink-warm);
  background: #fff;
  padding: 7px 12px;
  font-size: 12.5px; font-weight: 700;
  color: var(--ink-warm); cursor: pointer;
  transition: box-shadow .12s, transform .12s, background .12s;
}
.review-btn:hover { box-shadow: 3px 3px 0 0 var(--ink-warm); }
.review-btn:active { box-shadow: 1px 1px 0 0 var(--ink-warm); transform: translate(1px, 1px); }
.review-btn.primary { background: var(--c-lime); }
.review-stack {
  display: flex; gap: 6px;
  margin-top: 12px;
  font-family: ui-monospace, monospace;
  font-size: 10px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--ink-warm); opacity: .55;
  align-items: center;
}
.review-pip {
  width: 8px; height: 8px;
  border: 1px solid var(--ink-warm);
}
.review-pip.done { background: var(--ink-warm); }

/* ---------- footer ---------- */
.landing-footer {
  padding: 22px 32px;
  border-top: 1.5px solid var(--ink-warm);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 14px;
  font-family: ui-monospace, monospace;
  font-size: 11px; font-weight: 600;
  letter-spacing: .04em;
  color: var(--ink-warm); opacity: .65;
}
.landing-footer a {
  color: inherit; text-decoration: none; cursor: pointer;
}
.landing-footer a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }
.landing-footer .links { display: flex; gap: 18px; }

/* ---------- responsive ---------- */
@media (max-width: 800px) {
  .landing { padding: 8px; }
  .topbar { padding: 12px 20px; }
  .hero { padding: 56px 28px 48px; }
  .session { grid-template-columns: 1fr; gap: 20px; padding: 40px 28px; }
  .session-head { position: static; }
  .landing-footer { padding: 18px 22px; }
}