/* =====================================================================
   Map Collective — shared design system for use-case "exposure" pages
   The four doors (Cascade Risk, Compliance, Tariff, Origin/Forced-Labor)
   all run the same spine. This stylesheet IS that spine.
   ===================================================================== */
:root {
  --paper: oklch(0.992 0.002 240);
  --paper-2: oklch(0.975 0.004 240);
  --paper-3: oklch(0.945 0.006 240);
  --ink: oklch(0.22 0.025 250);
  --ink-2: oklch(0.40 0.022 248);
  --ink-3: oklch(0.60 0.016 245);
  --rule: oklch(0.88 0.008 240);
  --moss: oklch(0.52 0.040 232);
  --moss-deep: oklch(0.40 0.038 235);
  --canopy: oklch(0.30 0.035 245);
  --bio: oklch(0.78 0.055 225);
  --bio-deep: oklch(0.58 0.060 230);
  --ember: oklch(0.66 0.110 50);

  --serif: "Instrument Serif", "EB Garamond", Georgia, serif;
  --sans: "Instrument Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SFMono-Regular", monospace;

  --maxw: 1200px;
  --gutter: clamp(20px, 4vw, 64px);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--canopy); color: var(--paper); }
a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); }
.mono { font-family: var(--mono); font-weight: 400; font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); }
.serif { font-family: var(--serif); font-weight: 400; letter-spacing: -0.01em; }
.italic { font-style: italic; }
.accent { color: var(--canopy); font-style: italic; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; font-size: 14.5px; font-weight: 500; transition: all .2s ease; border: 1px solid transparent; font-family: var(--sans); cursor: pointer; }
.btn-primary { background: var(--ink); color: var(--paper); }
.btn-primary:hover { background: var(--canopy); }
.btn-primary .arrow { width: 14px; height: 1px; background: currentColor; position: relative; }
.btn-primary .arrow::after { content:""; position:absolute; right:0; top:-3px; width: 7px; height: 7px; border-top: 1px solid currentColor; border-right: 1px solid currentColor; transform: rotate(45deg); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-ghost:hover { border-color: var(--ink); }

/* ---------- breadcrumb ---------- */
.crumb { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 26px; }
.crumb a:hover { color: var(--ink); }
.crumb .sep { opacity: 0.5; }
.crumb .here { color: var(--ink); }

/* ---------- hero ---------- */
.hero { padding: clamp(64px, 9vw, 120px) 0 clamp(56px, 7vw, 92px); position: relative; }
.eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 26px; }
.eyebrow .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--ember); box-shadow: 0 0 0 4px color-mix(in oklab, var(--ember) 16%, transparent); }
.hero h1 { font-family: var(--serif); font-weight: 400; font-size: clamp(44px, 6.4vw, 92px); line-height: 0.98; letter-spacing: -0.022em; margin: 0 0 26px; max-width: 16ch; text-wrap: balance; }
.hero h1 em { font-style: italic; color: var(--canopy); }
.hero-lede { max-width: 60ch; color: var(--ink-2); font-size: 18px; line-height: 1.55; margin: 0 0 34px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- split hero: copy + per-page signature figure ---------- */
.hero-grid { display: grid; grid-template-columns: 1.18fr 0.82fr; gap: clamp(28px, 4.5vw, 68px); align-items: center; }
.hero-grid .hero-copy { min-width: 0; }
.hero-grid .hero h1, .hero-grid h1 { max-width: 15ch; }
.hero-grid .hero-lede { margin-bottom: 0; }
.hero-fig { position: relative; width: 100%; max-width: 460px; margin: 0 0 0 auto; }
.hero-fig svg { display: block; width: 100%; height: auto; }
.hero-fig .ff { font-family: var(--mono); font-size: 9px; letter-spacing: 0.12em; text-transform: uppercase; }
@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-grid .hero h1, .hero-grid h1 { max-width: 18ch; }
  .hero-fig { max-width: 520px; margin: 0; }
}

/* trigger meta row */
.trigger-row { margin-top: clamp(48px, 7vw, 84px); display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.trigger-row .cell { background: var(--paper); padding: 22px 24px 24px; }
.trigger-row .k { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ember); margin-bottom: 10px; }
.trigger-row .v { font-family: var(--serif); font-size: 22px; line-height: 1.15; color: var(--ink); letter-spacing: -0.01em; }

/* ---------- section ---------- */
section { padding: clamp(64px, 9vw, 120px) 0; }
.section-head { display: grid; grid-template-columns: 200px 1fr; gap: 44px; margin-bottom: clamp(40px, 5vw, 64px); }
.section-head .label { color: var(--ink-3); padding-top: 6px; }
.section-head h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(34px, 4.6vw, 60px); line-height: 1.02; letter-spacing: -0.018em; margin: 0; max-width: 24ch; text-wrap: balance; }
.section-head h2 em { font-style: italic; color: var(--canopy); }
.section-lede { color: var(--ink-2); font-size: 17px; line-height: 1.55; max-width: 62ch; margin: 0 0 8px; }

/* ---------- spine: how exposure works ---------- */
.spine { background: var(--canopy); color: var(--paper); position: relative; overflow: hidden; }
.spine::before { content:""; position:absolute; inset:0; background: radial-gradient(ellipse 60% 50% at 12% 8%, color-mix(in oklab, var(--bio) 22%, transparent), transparent 60%), radial-gradient(ellipse 70% 60% at 88% 92%, color-mix(in oklab, var(--moss) 30%, transparent), transparent 65%); pointer-events:none; }
.spine .wrap { position: relative; }
.spine .section-head .label { color: color-mix(in oklab, var(--paper) 60%, transparent); }
.spine .section-head h2 { color: var(--paper); }
.spine .section-head h2 em { color: var(--bio); }
.steps { display: grid; grid-template-columns: 1fr; border-top: 1px solid color-mix(in oklab, var(--paper) 18%, transparent); }
.step { display: grid; grid-template-columns: 90px 1.3fr 2fr; gap: 32px; padding: 36px 0 40px; border-bottom: 1px solid color-mix(in oklab, var(--paper) 18%, transparent); align-items: start; }
.step .num { font-family: var(--mono); font-size: 12px; letter-spacing: 0.14em; color: var(--bio); padding-top: 12px; }
.step h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(26px, 3.2vw, 38px); line-height: 1.05; letter-spacing: -0.015em; margin: 0; color: var(--paper); }
.step h3 em { font-style: italic; color: var(--bio); }
.step .copy { color: color-mix(in oklab, var(--paper) 80%, transparent); font-size: 16px; }
.step .copy p { margin: 0 0 12px; max-width: 56ch; }
.step .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.step .tag { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; padding: 6px 10px; border-radius: 999px; border: 1px solid color-mix(in oklab, var(--paper) 22%, transparent); color: color-mix(in oklab, var(--paper) 82%, transparent); }

/* ---------- exposure points ---------- */
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.point { background: var(--paper); padding: 32px 30px 36px; display: flex; flex-direction: column; min-height: 280px; }
.point .lead { font-family: var(--serif); font-size: 26px; line-height: 1.1; letter-spacing: -0.012em; margin: 14px 0 14px; max-width: 18ch; }
.point .body { color: var(--ink-2); font-size: 15px; line-height: 1.55; }
.point .role { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--moss-deep); }
.point .quoted { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--rule); color: var(--ink-3); font-size: 13px; line-height: 1.5; }

/* ---------- big quote ---------- */
.bigquote { font-family: var(--serif); font-size: clamp(26px, 3.4vw, 40px); line-height: 1.18; letter-spacing: -0.012em; color: var(--ink); max-width: 24ch; }
.bigquote em { font-style: italic; color: var(--canopy); }
.maxw-none { max-width: 880px !important; }

/* ---------- one-room note ---------- */
.oneroom { background: var(--paper-2); border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.oneroom-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 56px; align-items: center; }
.oneroom h3 { font-family: var(--serif); font-weight: 400; font-size: clamp(28px, 3.6vw, 44px); line-height: 1.08; letter-spacing: -0.015em; margin: 0 0 16px; }
.oneroom h3 em { font-style: italic; color: var(--canopy); }
.oneroom p { color: var(--ink-2); font-size: 16px; max-width: 52ch; margin: 0; }
.doors { display: flex; flex-direction: column; border-top: 1px solid var(--rule); }
.door { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 16px 0; border-bottom: 1px solid var(--rule); color: var(--ink-2); font-size: 15px; transition: color .15s; }
.door:hover { color: var(--ink); }
.door.is-self { color: var(--ink); font-weight: 500; }
.door .arr { font-family: var(--mono); color: var(--ink-3); }
.door:hover .arr { color: var(--bio-deep); }

/* ---------- CTA ---------- */
.cta { background: var(--canopy); color: var(--paper); position: relative; overflow: hidden; }
.cta::before { content:""; position:absolute; inset:0; background: radial-gradient(ellipse 70% 60% at 80% 20%, color-mix(in oklab, var(--bio) 24%, transparent), transparent 60%), radial-gradient(ellipse 60% 70% at 10% 100%, color-mix(in oklab, var(--moss) 34%, transparent), transparent 60%); pointer-events:none; }
.cta .wrap { position: relative; }
.cta-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 60px; align-items: end; }
.cta h2 { font-family: var(--serif); font-weight: 400; font-size: clamp(38px, 5.4vw, 76px); line-height: 1; letter-spacing: -0.022em; margin: 0 0 22px; color: var(--paper); text-wrap: balance; }
.cta h2 em { font-style: italic; color: var(--bio); }
.cta .lede { color: color-mix(in oklab, var(--paper) 82%, transparent); font-size: 17px; max-width: 56ch; margin: 0 0 30px; }
.cta .btn-primary { background: var(--paper); color: var(--ink); }
.cta .btn-primary:hover { background: var(--bio); color: var(--ink); }
.cta .btn-ghost { border-color: color-mix(in oklab, var(--paper) 30%, transparent); color: var(--paper); }
.cta .btn-ghost:hover { border-color: var(--paper); }
.cta-side { border-left: 1px solid color-mix(in oklab, var(--paper) 18%, transparent); padding-left: 30px; }
.cta-side .k { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: color-mix(in oklab, var(--paper) 60%, transparent); margin-bottom: 12px; }
.cta-side ul { margin: 0; padding: 0; list-style: none; }
.cta-side li { padding: 12px 0; border-bottom: 1px solid color-mix(in oklab, var(--paper) 14%, transparent); display: flex; align-items: baseline; gap: 14px; color: color-mix(in oklab, var(--paper) 88%, transparent); font-size: 15px; }
.cta-side li:last-child { border-bottom: none; }
.cta-side li::before { content:""; flex: 0 0 6px; height: 6px; border-radius: 50%; background: var(--bio); box-shadow: 0 0 0 3px color-mix(in oklab, var(--bio) 18%, transparent); transform: translateY(-1px); }

/* ---------- explorer bridge ---------- */
.bridge-note { display: flex; gap: 16px; align-items: flex-start; padding: 22px 24px; background: var(--paper-2); border: 1px solid var(--rule); border-radius: 8px; max-width: 640px; }
.bridge-note .dot { flex: 0 0 8px; height: 8px; border-radius: 50%; background: var(--bio); box-shadow: 0 0 0 4px color-mix(in oklab, var(--bio) 16%, transparent); margin-top: 7px; }
.bridge-note p { margin: 0; font-size: 14.5px; color: var(--ink-2); line-height: 1.5; }
.bridge-note a { color: var(--ink); border-bottom: 1px solid var(--rule); }
.bridge-note a:hover { border-color: var(--ink); }

/* ---------- footer ---------- */
footer { padding: 60px 0 44px; border-top: 1px solid var(--rule); }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 52px; }
.foot-brand { display: flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11.5px; letter-spacing: 0.32em; text-transform: uppercase; color: var(--ink); }
.foot-brand svg { width: 22px; height: 22px; }
.foot-tag { font-family: var(--serif); font-size: 21px; line-height: 1.2; color: var(--ink); max-width: 24ch; margin: 12px 0 0; }
.foot-tag em { font-style: italic; color: var(--canopy); }
.foot-grid h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin: 0 0 14px; font-weight: 500; }
.foot-grid ul { margin: 0; padding: 0; list-style: none; }
.foot-grid li { padding: 4px 0; font-size: 14px; color: var(--ink-2); }
.foot-grid li a:hover { color: var(--ink); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 30px; border-top: 1px solid var(--rule); color: var(--ink-3); font-size: 12.5px; font-family: var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }

@media (max-width: 900px) {
  .section-head { grid-template-columns: 1fr; gap: 14px; }
  .step { grid-template-columns: 1fr; gap: 14px; }
  .points { grid-template-columns: 1fr; }
  .trigger-row { grid-template-columns: 1fr; }
  .oneroom-grid { grid-template-columns: 1fr; gap: 32px; }
  .cta-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta-side { border-left: none; padding-left: 0; border-top: 1px solid color-mix(in oklab, var(--paper) 18%, transparent); padding-top: 26px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}