:root {
  --ink: #181713; --ink-soft: #4e4a41; --paper: #f1eadf; --paper-light: #f8f4ec;
  --sand: #d8c7ae; --vermilion: #9d3e31; --vermilion-dark: #6f2c25; --ochre: #bd8034;
  --line: rgba(24, 23, 19, 0.18);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--paper); }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); }
button, a { font: inherit; } a { color: inherit; text-decoration: none; } button { color: inherit; }
button:focus-visible, a:focus-visible { outline: 3px solid var(--ochre); outline-offset: 3px; }
::selection { background: var(--vermilion); color: var(--paper-light); }

.site-header { align-items: center; backdrop-filter: blur(14px); background: rgba(241, 234, 223, 0.88); border-bottom: 1px solid var(--line); display: flex; height: 82px; justify-content: space-between; padding: 0 clamp(24px, 4.5vw, 76px); position: sticky; top: 0; z-index: 30; }
.brand { align-items: center; display: flex; gap: 12px; }
.brand-mark { align-items: center; display: flex; flex: 0 0 50px; height: 50px; justify-content: center; width: 50px; }
.brand-mark img { display: block; height: 50px; object-fit: contain; width: 50px; }
.brand strong { display: block; font-family: var(--serif); font-size: 20px; letter-spacing: -0.02em; }
.brand small { color: var(--ink-soft); display: block; font-size: 9px; letter-spacing: 0.12em; margin-top: 2px; text-transform: uppercase; }
.site-header nav { align-items: center; display: flex; gap: 30px; }
.site-header nav a { font-size: 12px; font-weight: 650; letter-spacing: 0.04em; }
.site-header nav a:not(.nav-cta):hover { color: var(--vermilion); }
.nav-cta { border: 1px solid var(--ink); padding: 11px 15px; transition: background .2s, color .2s; }
.nav-cta:hover { background: var(--ink); color: var(--paper-light); }

.hero { display: grid; grid-template-columns: 1.12fr .88fr; min-height: calc(100vh - 82px); }
.hero-copy { display: flex; flex-direction: column; justify-content: center; padding: 74px clamp(28px, 6.5vw, 112px); }
.kicker, .section-number, .record-category, .lens-reading > p, .ethics-label { color: var(--vermilion); font-size: 10px; font-weight: 750; letter-spacing: .19em; text-transform: uppercase; }
.kicker { align-items: center; display: flex; gap: 10px; margin: 0 0 28px; }
.kicker span { background: var(--vermilion); display: inline-block; height: 7px; transform: rotate(45deg); width: 7px; }
.hero h1 { font-family: var(--serif); font-size: clamp(55px, 6.25vw, 104px); font-weight: 400; letter-spacing: -.055em; line-height: .92; margin: 0; }
.hero h1 em { color: var(--vermilion); font-weight: 400; }
.hero-lead { color: var(--ink-soft); font-family: var(--serif); font-size: clamp(19px, 1.7vw, 27px); line-height: 1.42; margin: 34px 0; max-width: 720px; }
.hero-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 28px; }
.primary-button { align-items: center; background: var(--ink); color: var(--paper-light); display: inline-flex; font-size: 12px; font-weight: 700; gap: 24px; padding: 17px 19px; transition: background .2s; }
.primary-button:hover { background: var(--vermilion); }
.primary-button span { font-size: 19px; font-weight: 400; }
.text-link { border-bottom: 1px solid var(--ink); font-size: 12px; font-weight: 700; padding: 5px 0; }
.text-link span { color: var(--vermilion); margin-left: 9px; }
.hero-stats { border-top: 1px solid var(--line); display: flex; gap: 52px; margin: 58px 0 0; padding-top: 20px; }
.hero-stats div { align-items: baseline; display: flex; gap: 9px; }
.hero-stats dt { font-family: var(--serif); font-size: 28px; }
.hero-stats dd { color: var(--ink-soft); font-size: 9px; letter-spacing: .11em; margin: 0; text-transform: uppercase; }
.hero-visual { margin: 0; min-height: 620px; overflow: hidden; position: relative; }
.hero-visual > img { filter: saturate(.72) contrast(1.04); height: 100%; inset: 0; object-fit: cover; position: absolute; width: 100%; }
.hero-visual::after { background: linear-gradient(180deg, transparent 60%, rgba(20, 16, 12, .68)); content: ""; inset: 0; position: absolute; }
.hero-frame { border: 1px solid rgba(255,255,255,.55); inset: 28px 28px 112px; position: absolute; z-index: 2; }
.hero-frame span { background: rgba(24,23,19,.72); color: white; font-size: 8px; letter-spacing: .16em; padding: 7px 9px; position: absolute; top: -1px; }
.hero-frame span:first-child { left: -1px; } .hero-frame span:last-child { right: -1px; }
.hero-visual figcaption { align-items: center; bottom: 32px; color: white; display: flex; gap: 14px; left: 40px; position: absolute; right: 40px; z-index: 3; }
.caption-index { border: 1px solid rgba(255,255,255,.6); border-radius: 50%; display: grid; font-family: var(--serif); height: 42px; place-items: center; width: 42px; }
.hero-visual figcaption span:nth-child(2) { display: flex; flex-direction: column; font-size: 10px; letter-spacing: .07em; }
.hero-visual figcaption strong { font-family: var(--serif); font-size: 18px; letter-spacing: 0; }
.verified-chip { border: 1px solid rgba(255,255,255,.5); font-size: 8px; letter-spacing: .13em; margin-left: auto; padding: 8px 10px; text-transform: uppercase; }

.manifesto { align-items: start; background: var(--paper-light); border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); display: grid; gap: 40px; grid-template-columns: .42fr 1.15fr .7fr; padding: 66px clamp(28px, 6vw, 104px); }
.section-number { margin: 4px 0 18px; }
.manifesto h2, .section-heading h2, .method h2, .about h2, .sources h2 { font-family: var(--serif); font-size: clamp(36px, 4.4vw, 68px); font-weight: 400; letter-spacing: -.045em; line-height: 1.02; margin: 0; }
.manifesto > div > p { color: var(--vermilion); font-family: var(--serif); font-size: 23px; margin: 12px 0 0; }
.manifesto-note { color: var(--ink-soft); font-size: 14px; line-height: 1.7; margin: 4px 0 0; }

.section-shell { padding: 110px clamp(28px, 6vw, 104px); }
.section-heading { align-items: end; display: grid; gap: 70px; grid-template-columns: 1.35fr .65fr; margin-bottom: 58px; }
.section-heading > p { color: var(--ink-soft); font-family: var(--serif); font-size: 19px; line-height: 1.55; margin: 0; }
.explorer { background: var(--paper); }
.explorer-grid { border: 1px solid var(--line); display: grid; grid-template-columns: minmax(220px, .36fr) 1.64fr; }
.panel-list { border-right: 1px solid var(--line); }
.panel-selector { align-items: center; background: transparent; border: 0; border-bottom: 1px solid var(--line); cursor: pointer; display: grid; gap: 13px; grid-template-columns: 34px 1fr 18px; min-height: 92px; padding: 16px 18px; text-align: left; transition: background .2s, color .2s; width: 100%; }
.panel-selector:last-child { border-bottom: 0; }
.panel-selector:hover, .panel-selector.is-active { background: var(--ink); color: var(--paper-light); }
.selector-number { color: var(--vermilion); font-family: var(--serif); font-size: 19px; }
.panel-selector.is-active .selector-number { color: var(--ochre); }
.panel-selector strong { display: block; font-family: var(--serif); font-size: 17px; font-weight: 600; }
.panel-selector small { color: currentColor; display: block; font-size: 8px; letter-spacing: .13em; margin-top: 5px; opacity: .62; text-transform: uppercase; }
.selector-arrow { font-size: 17px; opacity: .5; }
.panel-record { animation: record-in .35s ease both; display: grid; grid-template-columns: 1.05fr .95fr; min-width: 0; }
@keyframes record-in { from { opacity: .45; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.record-image { min-height: 590px; overflow: hidden; position: relative; }
.record-image img { height: 100%; inset: 0; object-fit: cover; position: absolute; width: 100%; }
.record-image::after { background: linear-gradient(180deg, transparent 70%, rgba(17,15,12,.55)); content: ""; inset: 0; position: absolute; }
.image-record-id, .image-credit { background: rgba(24,23,19,.78); color: white; font-size: 8px; letter-spacing: .13em; padding: 8px 10px; position: absolute; z-index: 2; }
.image-record-id { left: 14px; top: 14px; } .image-credit { bottom: 14px; right: 14px; }
.record-content { background: var(--paper-light); display: flex; flex-direction: column; padding: clamp(26px, 3vw, 50px); }
.record-title-row { display: flex; gap: 24px; justify-content: space-between; }
.record-category { margin: 0 0 12px; }
.record-title-row h3 { font-family: var(--serif); font-size: clamp(28px, 2.6vw, 43px); font-weight: 400; letter-spacing: -.035em; line-height: 1.04; margin: 0; }
.confidence { align-self: flex-start; border: 1px solid currentColor; font-size: 8px; font-weight: 700; letter-spacing: .09em; line-height: 1.35; max-width: 148px; padding: 8px 9px; text-align: center; text-transform: uppercase; }
.confidence.high { color: #426449; } .confidence.moderate { color: #8a632d; } .confidence.caution { color: var(--vermilion); }
.published-label { border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); margin-top: 28px; padding: 19px 0; }
.published-label span { color: var(--ink-soft); font-size: 8px; font-weight: 750; letter-spacing: .14em; text-transform: uppercase; }
.published-label p { font-family: var(--serif); font-size: 15px; line-height: 1.5; margin: 7px 0 0; }
.lens-tabs { display: flex; gap: 6px; margin-top: 26px; }
.lens-tabs button { background: transparent; border: 1px solid var(--line); cursor: pointer; font-size: 9px; font-weight: 700; padding: 10px 11px; }
.lens-tabs button:hover, .lens-tabs button.is-active { background: var(--vermilion); border-color: var(--vermilion); color: white; }
.lens-reading { margin-top: 25px; }
.lens-reading > p { margin: 0 0 9px; }
.lens-reading blockquote { font-family: var(--serif); font-size: clamp(18px, 1.6vw, 24px); line-height: 1.48; margin: 0; }

.method { background: var(--paper-light); }
.method-heading { margin-bottom: 64px; }
.evidence-ladder { list-style: none; margin: 0; padding: 0; }
.evidence-ladder li { align-items: center; border-top: 1px solid var(--line); display: grid; gap: 24px; grid-template-columns: 48px 1fr .4fr; margin-left: var(--indent); padding: 22px 18px; width: calc(100% - var(--indent)); }
.evidence-ladder li:last-child { border-bottom: 1px solid var(--line); }
.evidence-ladder li > span { color: var(--vermilion); font-family: var(--serif); font-size: 21px; }
.evidence-ladder strong { font-family: var(--serif); font-size: 22px; font-weight: 600; }
.evidence-ladder p { color: var(--ink-soft); font-size: 12px; margin: 5px 0 0; }
.evidence-ladder em { color: var(--ink-soft); font-size: 9px; letter-spacing: .12em; text-align: right; text-transform: uppercase; }
.level-one { --indent: 0%; background: rgba(157,62,49,.04); } .level-two { --indent: 4%; } .level-three { --indent: 8%; } .level-four { --indent: 12%; } .level-five { --indent: 16%; background: rgba(157,62,49,.08); }

.ethics { background: var(--ink); color: var(--paper-light); display: grid; gap: clamp(60px, 10vw, 160px); grid-template-columns: .78fr 1.22fr; padding: 110px clamp(28px, 6vw, 104px); }
.section-number.light { color: var(--ochre); }
.ethics h2 { font-family: var(--serif); font-size: clamp(46px, 5.5vw, 80px); font-weight: 400; letter-spacing: -.05em; line-height: .98; margin: 0; }
.ethics-intro > p:last-child { color: rgba(248,244,236,.64); font-family: var(--serif); font-size: 19px; line-height: 1.55; margin: 30px 0 0; max-width: 520px; }
.ethics-columns { align-self: center; display: grid; gap: 42px; grid-template-columns: 1fr 1fr; }
.ethics-label { border-bottom: 1px solid rgba(255,255,255,.18); margin: 0; padding-bottom: 14px; }
.ethics-label.allowed { color: #b4c993; } .ethics-label.prohibited { color: #dd897d; }
.ethics ul { list-style: none; margin: 0; padding: 0; }
.ethics li { border-bottom: 1px solid rgba(255,255,255,.12); display: grid; font-family: var(--serif); font-size: 17px; gap: 14px; grid-template-columns: 20px 1fr; line-height: 1.35; padding: 18px 0; }
.ethics li span { color: var(--ochre); font-family: var(--sans); }

.about { align-items: center; display: grid; gap: clamp(32px, 5vw, 72px); grid-template-columns: .52fr 1fr .65fr; }
.about-portrait { justify-self: center; margin: 0; max-width: 330px; width: 100%; }
.portrait-frame { aspect-ratio: 4 / 5; background: var(--sand); border: 1px solid var(--line); overflow: hidden; position: relative; }
.portrait-frame::after { background: linear-gradient(180deg, transparent 68%, rgba(24,23,19,.5)); content: ""; inset: 0; pointer-events: none; position: absolute; }
.portrait-frame img { filter: saturate(.88) contrast(1.02); height: 100%; object-fit: cover; object-position: 50% 48%; width: 100%; }
.portrait-badge { background: rgba(24,23,19,.82); bottom: 13px; color: var(--paper-light); font-size: 8px; left: 13px; letter-spacing: .14em; padding: 8px 10px; position: absolute; text-transform: uppercase; z-index: 2; }
.about-portrait figcaption { border-left: 1px solid var(--vermilion); display: flex; flex-direction: column; margin-top: 14px; padding-left: 12px; }
.about-portrait figcaption strong { font-family: var(--serif); font-size: 17px; font-weight: 600; }
.about-portrait figcaption span { color: var(--ink-soft); font-size: 8px; letter-spacing: .12em; margin-top: 3px; text-transform: uppercase; }
.about-lead { color: var(--vermilion-dark) !important; font-family: var(--serif); font-size: 23px !important; line-height: 1.4 !important; }
.about-copy > p { color: var(--ink-soft); font-size: 14px; line-height: 1.75; }
.about-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.about-tags span { border: 1px solid var(--line); font-size: 8px; font-weight: 700; letter-spacing: .1em; padding: 8px 10px; text-transform: uppercase; }
.research-note { border-left: 1px solid var(--vermilion); padding-left: 27px; }
.research-note span { color: var(--vermilion); font-size: 8px; font-weight: 750; letter-spacing: .15em; text-transform: uppercase; }
.research-note p { font-family: var(--serif); font-size: clamp(22px, 2.3vw, 34px); line-height: 1.3; margin: 14px 0 0; }

.sources { background: var(--paper-light); border-top: 1px solid var(--line); display: grid; gap: 60px; grid-template-columns: .5fr 1.5fr; }
.sources h2 { font-size: clamp(35px, 3.6vw, 56px); }
.source-list a { align-items: center; border-top: 1px solid var(--line); display: grid; gap: 20px; grid-template-columns: .46fr 1fr 20px; padding: 22px 0; transition: color .2s, padding .2s; }
.source-list a:last-child { border-bottom: 1px solid var(--line); }
.source-list a:hover { color: var(--vermilion); padding-left: 8px; }
.source-list span { color: var(--ink-soft); font-size: 8px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.source-list strong { font-family: var(--serif); font-size: 17px; font-weight: 500; }
.source-list em { font-size: 18px; }
.licence-note { color: var(--ink-soft); font-size: 10px; grid-column: 2; line-height: 1.65; margin: -30px 0 0; }
.licence-note a { color: var(--vermilion); text-decoration: underline; }

footer { align-items: center; background: var(--vermilion-dark); color: var(--paper-light); display: flex; justify-content: space-between; padding: 36px clamp(28px, 6vw, 104px); }
.footer-brand { align-items: center; display: flex; gap: 14px; }
.footer-brand > img { background: var(--paper-light); border-radius: 5px; height: 54px; object-fit: contain; padding: 5px; width: 54px; }
.footer-brand-copy { display: flex; flex-direction: column; }
footer strong { font-family: var(--serif); font-size: 24px; }
footer span, footer p, footer a { font-size: 8px; letter-spacing: .13em; text-transform: uppercase; }
footer span { color: rgba(248,244,236,.6); margin-top: 4px; } footer p { color: rgba(248,244,236,.58); }

@media (max-width: 1100px) {
  .hero { grid-template-columns: 1fr; } .hero-copy { min-height: 720px; } .hero-visual { min-height: 680px; }
  .explorer-grid { grid-template-columns: 1fr; } .panel-list { border-bottom: 1px solid var(--line); border-right: 0; display: grid; grid-template-columns: repeat(5, 1fr); }
  .panel-selector { border-bottom: 0; border-right: 1px solid var(--line); grid-template-columns: 1fr; min-height: 108px; } .panel-selector .selector-arrow { display: none; }
  .panel-record { grid-template-columns: 1fr 1fr; } .ethics { grid-template-columns: 1fr; }
  .about { grid-template-columns: .52fr 1fr; } .research-note { grid-column: 2; }
}

@media (max-width: 760px) {
  .site-header { height: 68px; } .site-header nav a:not(.nav-cta) { display: none; } .brand small { display: none; } .nav-cta { padding: 9px 11px; }
  .hero { min-height: auto; } .hero-copy { min-height: 640px; padding-bottom: 48px; padding-top: 48px; } .hero h1 { font-size: clamp(50px, 14vw, 72px); }
  .hero-actions { align-items: flex-start; flex-direction: column; } .hero-stats { gap: 20px; justify-content: space-between; } .hero-stats div { align-items: flex-start; flex-direction: column; }
  .hero-visual { min-height: 580px; } .manifesto, .section-heading, .sources { grid-template-columns: 1fr; } .manifesto { gap: 22px; }
  .section-shell { padding-bottom: 78px; padding-top: 78px; } .section-heading { align-items: start; gap: 25px; margin-bottom: 40px; }
  .panel-list { display: flex; overflow-x: auto; } .panel-selector { flex: 0 0 165px; } .panel-record { grid-template-columns: 1fr; }
  .record-image { min-height: 430px; } .record-title-row { flex-direction: column; } .lens-tabs { display: grid; grid-template-columns: 1fr; }
  .evidence-ladder li { gap: 12px; grid-template-columns: 32px 1fr; margin-left: 0; width: 100%; } .evidence-ladder em { display: none; }
  .ethics-columns { grid-template-columns: 1fr; } .about { grid-template-columns: 1fr; } .about-portrait { justify-self: start; max-width: 280px; } .research-note { grid-column: auto; }
  .licence-note { grid-column: auto; margin-top: -25px; } .source-list a { grid-template-columns: 1fr 28px; } .source-list a span { grid-column: 1 / -1; }
  footer { align-items: flex-start; flex-direction: column; gap: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}