/* ============================================================
   The Clean Cooking Transition — informational brief
   Aesthetic: institutional economics / consulting report
   ============================================================ */

:root {
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  --ink-soft:   #2c4258;
  --slate:      #5a6b7b;   /* secondary text */
  --slate-200:  #8a99a6;
  --line:       #dcd7cd;   /* hairlines on warm paper */
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  --paper-2:    #fffdf9;   /* card surface */
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  --teal-soft:  #6fa3a3;
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  --shadow: 0 1px 2px rgba(16,36,59,.05), 0 8px 28px rgba(16,36,59,.06);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
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}

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; color: var(--ink); line-height: 1.15; }

a { color: var(--ember); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

/* ---------- Top bar ---------- */
.topbar {
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.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 11px; font-family: var(--serif); font-weight: 600; color: var(--ink); letter-spacing: .2px; }
.brand .mark { width: 26px; height: 26px; flex: none; }
.brand small { font-family: var(--sans); font-weight: 500; color: var(--slate); font-size: 12px; letter-spacing: .04em; text-transform: uppercase; }
.nav { display: flex; gap: 26px; }
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.nav a:hover { color: var(--ember); text-decoration: none; }
@media (max-width: 760px){ .nav { display: none; } }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 64px; border-bottom: 1px solid var(--line); position: relative; overflow: hidden; }
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}
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.hero h1 { font-size: clamp(34px, 5.4vw, 60px); letter-spacing: -.5px; margin: 0 0 22px; max-width: 17ch; }
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.hero .meta { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 13.5px; color: var(--slate); border-top: 1px solid var(--line); padding-top: 18px; }
.hero .meta b { color: var(--ink); font-weight: 600; }

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.stat .src { font-size: 11.5px; color: #7f93a6; margin-top: 6px; }
@media (max-width: 820px){ .statgrid { grid-template-columns: repeat(2,1fr); gap: 30px 24px; } }
@media (max-width: 440px){ .statgrid { grid-template-columns: 1fr; } }

/* ---------- Section scaffolding ---------- */
section.block { padding: 76px 0; border-bottom: 1px solid var(--line); }
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.block .intro { font-size: 18px; color: var(--ink-soft); max-width: 64ch; margin: 0 0 38px; }

.lead-2col { display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: start; }
@media (max-width: 880px){ .lead-2col { grid-template-columns: 1fr; gap: 34px; } }
.prose p { margin: 0 0 18px; color: var(--ink-soft); }
.prose p:last-child { margin-bottom: 0; }

/* ---------- Cards ---------- */
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@media (max-width: 880px){ .cards.c3 { grid-template-columns: 1fr; } .cards.c2 { grid-template-columns: 1fr; } }
.card {
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}
.card .ico { width: 30px; height: 30px; color: var(--ember); margin-bottom: 14px; }
.card h3 { font-size: 19px; margin: 0 0 9px; }
.card p { margin: 0; color: var(--slate); font-size: 14.5px; }
.card .tag { font-size: 11.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--teal); }

/* ---------- Pathway ladder ---------- */
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.rung {
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  background: var(--paper-2); border: 1px solid var(--line); border-left: 4px solid var(--ember);
  border-radius: 8px; padding: 18px 22px;
}
.rung .r-n { font-family: var(--serif); font-size: 22px; color: var(--ember); font-weight: 600; }
.rung h3 { font-size: 18px; margin: 0 0 4px; }
.rung p { margin: 0; font-size: 14px; color: var(--slate); max-width: 64ch; }
.rung .r-meta { text-align: right; font-size: 12px; color: var(--slate); min-width: 120px; }
.rung .r-meta .k { display:block; font-weight: 700; color: var(--ink); font-size: 13px; }
@media (max-width: 720px){ .rung { grid-template-columns: 36px 1fr; } .rung .r-meta { grid-column: 1 / -1; text-align: left; padding-left: 56px; } }

/* ---------- Chart: stacked horizontal ---------- */
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.barrow .blab { display:flex; justify-content: space-between; font-size: 13px; margin-bottom: 6px; }
.barrow .blab .v { color: var(--ink); font-weight: 600; font-variant-numeric: tabular-nums; }
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.legend span { display:inline-flex; align-items:center; gap: 7px; }
.dot { width: 11px; height: 11px; border-radius: 3px; display:inline-block; }

/* ---------- Pull / quote ---------- */
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/* ---------- Barriers / list ---------- */
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@media (max-width: 760px){ .deflist { grid-template-columns: 1fr; } }
.deflist .item { padding: 20px 0; border-bottom: 1px solid var(--line); }
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}
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.callout p b { color: var(--ink); }
@media (max-width: 620px){ .callout { grid-template-columns: 1fr; gap: 12px; } }

/* ---------- Outlook timeline ---------- */
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.tl:last-child { border-bottom: 1px solid var(--line); }
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.tl h4 { margin: 0 0 6px; font-size: 17px; }
.tl p { margin: 0; font-size: 14.5px; color: var(--slate); }
@media (max-width: 620px){ .tl { grid-template-columns: 1fr; gap: 6px; } }

/* ---------- Sources ---------- */
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@media (max-width: 720px){ .srclist { columns: 1; } }
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/* ---------- Footer ---------- */
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.foot .wrap { display:flex; justify-content: space-between; align-items: center; gap: 18px; flex-wrap: wrap; }
.foot .brand { color: #cdd8e2; }
.foot a { color: #9fb2c4; }

/* ============================================================
   REPORT COMPONENTS
   ============================================================ */

/* ---------- Cover ---------- */
.cover { padding: 70px 0 56px; border-bottom: 2px solid var(--ink); position: relative; }
.cover .series {
  display: flex; align-items: center; gap: 14px; font-size: 12.5px; font-weight: 700;
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}
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  letter-spacing: .1em; font-size: 11.5px;
}
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}
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@media (max-width: 760px){ .cover .docmeta { grid-template-columns: 1fr 1fr; gap: 22px 30px; } }

/* ---------- Contents ---------- */
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@media (max-width: 760px){ .toc ol { column-count: 1; } }
.toc li { break-inside: avoid; border-bottom: 1px dotted var(--rule); padding: 13px 0; }
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/* ---------- Executive summary ---------- */
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.exec .prose p { font-size: 16.5px; }
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/* ---------- Section numbering for report ---------- */
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/* ---------- Exhibit captions ---------- */
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figure.exhibit { margin: 0; }
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/* ---------- Footnote markers ---------- */
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sup.fn a { color: var(--ember); }

/* ---------- Comparison table ---------- */
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.rtable td b { color: var(--ink); }
.rtable .risk { font-weight: 700; }
.rtable .r-ext { color: #a23a1e; }
.rtable .r-high { color: #c0712a; }
.rtable .r-mod { color: #b08828; }
.rtable .r-low { color: #2f6b6b; }

/* ---------- Reveal animation ---------- */
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.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){ .reveal { opacity:1; transform:none; transition:none; } .fill { transition:none; } html{scroll-behavior:auto;} }