:root {
  --paper: #f4f2ed;
  --paper-2: #ebe9e3;
  --surface: #fffdf8;
  --ink: #102126;
  --muted: #617074;
  --line: #d3d7d1;
  --blue: #2357e6;
  --blue-dark: #153bac;
  --lime: #d9ff67;
  --coral: #ff5a4f;
  --max: 1240px;
  --pad: clamp(20px, 4vw, 54px);
  --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
::selection { background: var(--lime); color: var(--ink); }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  color: white;
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 84%, transparent);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(18px);
}
.nav-shell {
  width: min(var(--max), calc(100% - (var(--pad) * 2)));
  min-height: 70px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 1.04rem;
  font-weight: 760;
  letter-spacing: -.035em;
}
.brand-mark {
  position: relative;
  width: 24px;
  height: 24px;
  border: 2px solid currentColor;
  border-radius: 50%;
}
.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  left: 5px;
  width: 10px;
  height: 2px;
  background: currentColor;
}
.brand-mark::before { top: 6px; }
.brand-mark::after { top: 13px; }
.brand-dot { color: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  padding: 9px 11px;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-size: .92rem;
  font-weight: 620;
}
.nav-links a:hover,
.nav-links a.active { color: var(--ink); background: rgba(16, 33, 38, .055); }
.nav-links .nav-contact {
  margin-left: 8px;
  padding-inline: 15px;
  color: white;
  background: var(--ink);
}
.nav-links .nav-contact:hover { color: white; background: var(--blue); }
.nav-toggle {
  display: none;
  border: 0;
  padding: 10px;
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 700;
}

.wrap { width: min(var(--max), calc(100% - (var(--pad) * 2))); margin-inline: auto; }
.section { padding-block: clamp(76px, 10vw, 128px); }
.section-small { padding-block: clamp(54px, 7vw, 82px); }
.section-rule { border-top: 1px solid var(--line); }
.section-dark { color: white; background: var(--ink); }
.section-blue { color: white; background: var(--blue); }
.surface-band { background: var(--paper-2); }

.kicker,
.figure-label,
.table-label {
  margin: 0 0 18px;
  color: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .75rem;
  font-weight: 720;
  letter-spacing: .105em;
  line-height: 1.3;
  text-transform: uppercase;
}
.section-dark .kicker,
.section-blue .kicker { color: var(--lime); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { text-wrap: balance; }
h1 {
  margin-bottom: 28px;
  max-width: 980px;
  font-size: clamp(3.45rem, 8.5vw, 7.4rem);
  font-weight: 720;
  letter-spacing: -.072em;
  line-height: .92;
}
.page-hero h1 { max-width: 1050px; font-size: clamp(3.4rem, 7.4vw, 6.8rem); }
h2 {
  margin-bottom: 20px;
  font-size: clamp(2.25rem, 5vw, 4.6rem);
  font-weight: 700;
  letter-spacing: -.062em;
  line-height: .98;
}
h3 {
  margin-bottom: 12px;
  font-size: clamp(1.35rem, 2.1vw, 1.9rem);
  font-weight: 690;
  letter-spacing: -.035em;
  line-height: 1.08;
}
.lede {
  max-width: 740px;
  color: var(--muted);
  font-size: clamp(1.14rem, 2vw, 1.42rem);
  line-height: 1.45;
}
.section-dark .lede,
.section-blue .lede { color: rgba(255,255,255,.72); }
.fine-print { color: var(--muted); font-size: .84rem; line-height: 1.55; }
.section-dark .fine-print { color: rgba(255,255,255,.58); }
.measure { max-width: 670px; }

.hero { padding-block: clamp(74px, 10vw, 132px) clamp(58px, 8vw, 100px); }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(360px, .72fr);
  gap: clamp(42px, 7vw, 94px);
  align-items: end;
}
.hero-copy .lede { margin-bottom: 32px; }
.button-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 11px 17px;
  border: 1px solid var(--ink);
  border-radius: 10px;
  text-decoration: none;
  font-size: .93rem;
  font-weight: 720;
  transition: transform .15s ease, background .15s ease, color .15s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary { color: white; background: var(--ink); }
.button-primary:hover { border-color: var(--blue); background: var(--blue); }
.button-secondary { background: transparent; }
.button-secondary:hover { background: var(--surface); }
.button-arrow::after { content: "↗"; font-size: 1.05em; }

.signal-panel {
  overflow: hidden;
  border-radius: var(--radius);
  color: white;
  background: var(--ink);
}
.signal-head {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 24px;
  border-bottom: 1px solid rgba(255,255,255,.15);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.status-live::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--lime);
}
.signal-name { padding: 24px; background: var(--blue); }
.signal-name span { display: block; color: rgba(255,255,255,.68); font-size: .8rem; }
.signal-name strong { display: block; margin-top: 4px; font-size: clamp(1.7rem, 4vw, 2.6rem); letter-spacing: -.05em; }
.signal-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 20px;
  align-items: baseline;
  padding: 17px 24px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.signal-row span { color: rgba(255,255,255,.65); font-size: .88rem; }
.signal-row strong { font-size: 1.12rem; }
.signal-row small { width: 54px; color: rgba(255,255,255,.42); font-size: .68rem; text-align: right; }
.signal-foot { padding: 17px 24px; color: rgba(255,255,255,.52); font-size: .75rem; }

.fact-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: clamp(58px, 8vw, 92px);
  border-block: 1px solid var(--line);
}
.fact { padding: 22px 18px 22px 0; }
.fact + .fact { padding-left: 22px; border-left: 1px solid var(--line); }
.fact strong {
  display: block;
  margin-bottom: 7px;
  font-size: clamp(1.3rem, 2.1vw, 1.7rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.045em;
  line-height: 1;
}
.fact span { color: var(--muted); font-size: .7rem; letter-spacing: .055em; text-transform: uppercase; }

.section-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, .55fr);
  gap: 40px;
  align-items: end;
  margin-bottom: clamp(42px, 7vw, 72px);
}
.section-intro h2 { margin-bottom: 0; }
.section-intro p { margin-bottom: 4px; color: var(--muted); }
.section-dark .section-intro p { color: rgba(255,255,255,.68); }

.program-grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.program-grid-three { grid-template-columns: repeat(3, 1fr); }
.program-card {
  min-height: 430px;
  padding: clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background .18s ease, color .18s ease;
}
.program-card:nth-child(odd) { border-right: 1px solid var(--line); }
.program-grid-three .program-card { min-height: 390px; border-right: 1px solid var(--line); }
.program-grid-three .program-card:last-child { border-right: 0; }
.program-grid-three .program-card h3 { font-size: clamp(2rem, 3.1vw, 3.15rem); }
.program-card:hover { color: white; background: var(--blue); }
.program-index {
  display: flex;
  justify-content: space-between;
  margin-bottom: clamp(80px, 10vw, 130px);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .74rem;
  text-transform: uppercase;
}
.program-card:hover .program-index,
.program-card:hover p { color: rgba(255,255,255,.72); }
.program-card h3 { font-size: clamp(2.1rem, 4vw, 4rem); }
.program-card p { max-width: 530px; color: var(--muted); font-size: 1.05rem; }

.figure-shell {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.figure-topline {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.figure-topline .figure-label { margin: 0; }
.figure-topline span { color: var(--muted); font-size: .78rem; }
.figure-button {
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  cursor: zoom-in;
}
.figure-button img { width: 100%; height: auto; }
.figure-dark .figure-button { background: #0b1820; }
.figure-caption {
  display: grid;
  grid-template-columns: minmax(180px, .5fr) minmax(0, 1fr);
  gap: 28px;
  padding: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .86rem;
}
.figure-caption strong { color: var(--ink); }

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.metric-cell { padding: 22px; }
.metric-cell + .metric-cell { border-left: 1px solid var(--line); }
.metric-cell strong {
  display: block;
  margin-bottom: 4px;
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  letter-spacing: -.055em;
  line-height: 1;
}
.metric-cell span { color: var(--muted); font-size: .78rem; }

.split {
  display: grid;
  grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr);
  gap: clamp(44px, 8vw, 110px);
  align-items: start;
}
.split-reverse { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); }
.sticky-copy { position: sticky; top: 110px; }
.plain-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.plain-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 14px;
  padding: 21px 0;
  border-bottom: 1px solid var(--line);
}
.plain-list .num { color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .78rem; }
.plain-list strong { display: block; margin-bottom: 4px; }
.plain-list p { margin: 0; color: var(--muted); }

.data-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.data-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.data-table th,
.data-table td { padding: 15px 18px; border-bottom: 1px solid var(--line); text-align: right; font-variant-numeric: tabular-nums; }
.data-table th:first-child,
.data-table td:first-child { text-align: left; }
.data-table thead th { color: var(--muted); font-size: .73rem; letter-spacing: .055em; text-transform: uppercase; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody tr.selected { background: rgba(35,87,230,.07); }
.data-table tbody tr.selected td:first-child { color: var(--blue); font-weight: 760; }
.table-note { margin: 15px 4px 0; color: var(--muted); font-size: .82rem; }

.hazard-section { padding-block: clamp(74px, 9vw, 112px); border-top: 1px solid var(--line); }
.hazard-head {
  display: grid;
  grid-template-columns: minmax(0, .85fr) minmax(340px, 1.15fr);
  gap: clamp(36px, 8vw, 100px);
  margin-bottom: 34px;
  align-items: end;
}
.hazard-head p { margin-bottom: 4px; color: var(--muted); }
.hazard-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.tag { padding: 7px 10px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); font-size: .75rem; }

.method-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.22); }
.method-step { padding: 34px 30px 10px 0; }
.method-step + .method-step { padding-left: 30px; border-left: 1px solid rgba(255,255,255,.22); }
.method-step .num { display: block; margin-bottom: 68px; color: var(--lime); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.method-step p { color: rgba(255,255,255,.66); }

.notice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  padding: 24px;
  border: 1px solid #e5b5ae;
  border-radius: var(--radius);
  background: #fff1ef;
}
.notice-mark { width: 13px; height: 13px; margin-top: 6px; border-radius: 50%; background: var(--coral); }
.notice h3 { font-size: 1.2rem; }
.notice p { margin-bottom: 0; color: var(--muted); }

.contact-block {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) auto;
  gap: 40px;
  align-items: end;
}
.contact-block h2 { max-width: 840px; margin-bottom: 0; }
.email-link { color: var(--lime); text-underline-offset: 5px; }

.site-footer { border-top: 1px solid var(--line); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr .6fr .6fr;
  gap: 36px;
  padding-block: 44px;
}
.footer-brand { max-width: 430px; }
.footer-brand p { color: var(--muted); }
.footer-group strong { display: block; margin-bottom: 12px; font-size: .78rem; letter-spacing: .07em; text-transform: uppercase; }
.footer-group a { display: block; width: fit-content; margin: 6px 0; color: var(--muted); text-decoration: none; }
.footer-group a:hover { color: var(--blue); }
.footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-block: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: .76rem; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  place-items: center;
  padding: 28px;
  background: rgba(8,18,21,.88);
  backdrop-filter: blur(8px);
}
.lightbox.open { display: grid; }
.lightbox-dialog { position: relative; width: min(1500px, 96vw); max-height: 92vh; overflow: auto; background: var(--surface); }
.lightbox-dialog img { width: 100%; }
.lightbox-close {
  position: sticky;
  float: right;
  top: 12px;
  z-index: 2;
  width: 42px;
  height: 42px;
  margin: 12px 12px -54px 0;
  border: 0;
  border-radius: 50%;
  color: white;
  background: var(--ink);
  cursor: pointer;
  font-size: 1.45rem;
}

.page-hero { padding-block: clamp(76px, 11vw, 140px) clamp(60px, 9vw, 108px); }
.page-hero .lede { margin-bottom: 0; }
.report-hero { padding-block: clamp(68px, 9vw, 112px); }
.report-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, .72fr);
  gap: clamp(42px, 7vw, 94px);
  align-items: end;
}
.report-hero h1 { max-width: 860px; font-size: clamp(3.25rem, 6.8vw, 6.4rem); }
.report-hero .lede { max-width: 700px; }
.case-summary {
  overflow: hidden;
  padding: 26px;
  border-radius: var(--radius);
  color: white;
  background: var(--ink);
}
.case-summary-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
  color: rgba(255,255,255,.6);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.case-pill { padding: 5px 9px; border: 1px solid rgba(255,255,255,.25); border-radius: 99px; color: var(--lime); }
.case-date { margin-bottom: 10px; color: rgba(255,255,255,.55); font-size: .8rem; }
.case-summary h2 { margin-bottom: 24px; font-size: clamp(1.7rem, 3vw, 2.55rem); letter-spacing: -.045em; line-height: 1.03; }
.case-score {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  padding: 20px 0;
  border-block: 1px solid rgba(255,255,255,.16);
}
.case-score strong { color: var(--lime); font-size: clamp(2rem, 4vw, 3rem); letter-spacing: -.055em; line-height: 1; }
.case-score span { color: rgba(255,255,255,.58); font-size: .72rem; line-height: 1.4; text-transform: uppercase; }
.case-points { margin: 0; padding: 12px 0 0; list-style: none; }
.case-points li { display: flex; justify-content: space-between; gap: 20px; padding: 9px 0; border-bottom: 1px solid rgba(255,255,255,.1); }
.case-points li:last-child { border-bottom: 0; }
.case-points span { color: rgba(255,255,255,.58); font-size: .82rem; }
.case-points strong { font-size: .9rem; font-variant-numeric: tabular-nums; text-align: right; }
.report-facts { margin: 0 0 32px; }
.source-strip {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  margin-top: 58px;
  border-block: 1px solid rgba(255,255,255,.22);
}
.source-strip > div { padding: 22px 18px 22px 0; }
.source-strip > div + div { padding-left: 18px; border-left: 1px solid rgba(255,255,255,.18); }
.source-strip span { display: block; margin-bottom: 20px; color: var(--lime); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .72rem; }
.source-strip strong { display: block; margin-bottom: 3px; font-size: .92rem; }
.source-strip small { display: block; color: rgba(255,255,255,.52); font-size: .7rem; line-height: 1.4; }
.packet-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, .7fr);
  gap: clamp(44px, 8vw, 110px);
  align-items: center;
}
.packet-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.packet-card-head { display: flex; justify-content: space-between; gap: 20px; padding: 18px 22px; color: white; background: var(--ink); }
.packet-card-head span { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .73rem; letter-spacing: .07em; text-transform: uppercase; }
.packet-card-head strong { color: var(--lime); font-size: .82rem; }
.packet-card ol { margin: 0; padding: 0; list-style: none; }
.packet-card li { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 17px 22px; border-bottom: 1px solid var(--line); }
.packet-card li:last-child { border-bottom: 0; }
.packet-card li > span { color: var(--blue); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .74rem; }
.packet-card li strong { display: block; margin-bottom: 2px; }
.packet-card li small { display: block; color: var(--muted); font-size: .76rem; }
.report-scope { margin-top: 48px; }
.page-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 54px;
  border-top: 1px solid var(--line);
}
.page-meta div { padding: 24px 18px 2px 0; }
.page-meta div + div { padding-left: 18px; border-left: 1px solid var(--line); }
.page-meta strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(1.3rem, 2.2vw, 1.9rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.045em;
  line-height: 1;
}
.page-meta span { color: var(--muted); font-size: .69rem; letter-spacing: .06em; text-transform: uppercase; }

.bio-panel {
  display: grid;
  grid-template-columns: minmax(260px, .62fr) minmax(0, 1.38fr);
  border-block: 1px solid var(--line);
}
.bio-aside { padding: 34px 42px 34px 0; border-right: 1px solid var(--line); }
.bio-main { padding: 34px 0 34px 42px; }
.bio-main p { max-width: 720px; color: var(--muted); font-size: 1.1rem; }

.not-found { min-height: 68vh; display: grid; align-items: center; }
.not-found strong { display: block; color: var(--blue); font-size: clamp(6rem, 18vw, 14rem); letter-spacing: -.08em; line-height: .8; }

@media (max-width: 980px) {
  .hero-grid,
  .report-hero-grid,
  .section-intro,
  .hazard-head,
  .split,
  .split-reverse,
  .bio-panel,
  .packet-grid { grid-template-columns: 1fr; }
  .hero-grid { align-items: start; }
  .signal-panel { max-width: 650px; }
  .fact-strip,
  .page-meta { grid-template-columns: repeat(2, 1fr); }
  .fact:nth-child(3), .page-meta div:nth-child(3) { border-left: 0; }
  .fact:nth-child(n+3), .page-meta div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .metric-row { grid-template-columns: repeat(2, 1fr); }
  .metric-cell:nth-child(3) { border-left: 0; }
  .metric-cell:nth-child(n+3) { border-top: 1px solid var(--line); }
  .program-grid-three { grid-template-columns: repeat(2, 1fr); }
  .program-grid-three .program-card:nth-child(2) { border-right: 0; }
  .program-grid-three .program-card:last-child { grid-column: 1 / -1; border-right: 0; }
  .sticky-copy { position: static; }
  .case-summary { max-width: 680px; }
  .source-strip { grid-template-columns: repeat(3, 1fr); }
  .source-strip > div:nth-child(4) { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.18); }
  .source-strip > div:nth-child(5) { border-top: 1px solid rgba(255,255,255,.18); }
  .bio-aside { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .bio-main { padding-left: 0; }
}

@media (max-width: 760px) {
  :root { --pad: 20px; }
  .nav-shell { min-height: 62px; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    position: fixed;
    inset: 62px 0 auto 0;
    display: none;
    min-height: calc(100vh - 62px);
    padding: 22px var(--pad);
    flex-direction: column;
    align-items: stretch;
    background: var(--paper);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 14px 4px; border-radius: 0; border-bottom: 1px solid var(--line); font-size: 1.15rem; }
  .nav-links .nav-contact { margin: 12px 0 0; padding: 13px; border: 0; border-radius: 8px; text-align: center; }
  h1 { font-size: clamp(3.2rem, 16.5vw, 5rem); }
  h2 { font-size: clamp(2.25rem, 11vw, 3.5rem); }
  .program-grid,
  .method-grid,
  .footer-grid,
  .contact-block { grid-template-columns: 1fr; }
  .source-strip { grid-template-columns: 1fr 1fr; }
  .source-strip > div,
  .source-strip > div:nth-child(4),
  .source-strip > div:nth-child(5) { padding: 18px 14px 18px 0; border-top: 1px solid rgba(255,255,255,.18); border-left: 0; }
  .source-strip > div:nth-child(even) { padding-left: 14px; border-left: 1px solid rgba(255,255,255,.18); }
  .source-strip > div:nth-child(-n+2) { border-top: 0; }
  .source-strip span { margin-bottom: 12px; }
  .program-card:nth-child(odd) { border-right: 0; }
  .program-grid-three .program-card,
  .program-grid-three .program-card:nth-child(2) { border-right: 0; }
  .program-grid-three .program-card:last-child { grid-column: auto; }
  .program-card { min-height: 340px; }
  .program-index { margin-bottom: 72px; }
  .method-step + .method-step { padding-left: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.22); }
  .method-step .num { margin-bottom: 32px; }
  .figure-caption { grid-template-columns: 1fr; gap: 8px; }
  .footer-grid { gap: 24px; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 520px) {
  .fact-strip,
  .page-meta,
  .metric-row { grid-template-columns: 1fr; }
  .fact + .fact,
  .page-meta div + div,
  .metric-cell + .metric-cell { padding-left: 0; border-left: 0; border-top: 1px solid var(--line); }
  .metric-cell { padding-inline: 18px; }
  .signal-row { gap: 10px; padding-inline: 18px; }
  .source-strip { grid-template-columns: 1fr; }
  .source-strip > div,
  .source-strip > div:nth-child(even),
  .source-strip > div:nth-child(-n+2) { padding-inline: 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.18); }
  .source-strip > div:first-child { border-top: 0; }
  .lightbox { padding: 8px; }
}

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