:root {
  --ink: #111817;
  --ink-soft: #33403e;
  --paper: #f1efe7;
  --paper-deep: #e6e2d7;
  --white: #fbfaf5;
  --signal: #b8ff3d;
  --orange: #ff6b35;
  --line: rgba(17, 24, 23, 0.17);
  --muted: #68716f;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --pad: clamp(1.2rem, 4vw, 4.5rem);
  --max: 1600px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--signal); color: var(--ink); }

.skip-link {
  background: var(--signal);
  color: var(--ink);
  font-size: .8rem;
  font-weight: 700;
  left: 1rem;
  padding: .7rem 1rem;
  position: fixed;
  top: -5rem;
  z-index: 999;
}
.skip-link:focus { top: 1rem; }
.scroll-progress { height: 3px; left: 0; position: fixed; right: 0; top: 0; z-index: 100; }
.scroll-progress span { background: var(--signal); display: block; height: 100%; transform: scaleX(0); transform-origin: left; }

.site-header {
  align-items: center;
  background: rgba(241, 239, 231, .92);
  border-bottom: 1px solid var(--line);
  display: flex;
  height: 86px;
  justify-content: space-between;
  left: 0;
  padding: 0 var(--pad);
  position: fixed;
  right: 0;
  top: 0;
  transition: transform .35s ease, background .25s ease;
  z-index: 90;
  backdrop-filter: blur(18px);
}
.site-header.is-hidden { transform: translateY(-100%); }
.brand { align-items: center; display: inline-flex; gap: .8rem; font-size: .72rem; font-weight: 700; letter-spacing: .06em; line-height: 1.15; text-transform: uppercase; }
.brand-mark { fill: none; height: 37px; stroke: var(--ink); stroke-width: 1.4; width: 37px; }
.brand-mark path:nth-child(3) { fill: var(--ink); stroke: none; }
.site-nav { align-items: center; display: flex; gap: clamp(1.3rem, 2.8vw, 3.2rem); }
.site-nav a { font-size: .76rem; font-weight: 650; letter-spacing: .06em; position: relative; text-transform: uppercase; }
.site-nav a:not(.nav-contact)::after { background: var(--ink); bottom: -.5rem; content: ""; height: 1px; left: 0; position: absolute; transform: scaleX(0); transform-origin: right; transition: transform .25s ease; width: 100%; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-contact { align-items: center; background: var(--ink); color: var(--white); display: inline-flex; gap: 1.8rem; padding: .8rem 1rem; }
.nav-contact span { color: var(--signal); }
.menu-toggle { background: transparent; border: 0; display: none; }

.section-grid { display: grid; grid-template-columns: minmax(110px, .65fr) minmax(0, 1.6fr) minmax(260px, .9fr); margin: 0 auto; max-width: var(--max); padding-left: var(--pad); padding-right: var(--pad); }
.hero { gap: clamp(2rem, 5vw, 7rem); grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); min-height: min(950px, 100vh); padding-bottom: clamp(4rem, 8vw, 8rem); padding-top: clamp(10rem, 17vh, 12rem); }
.hero-copy { align-self: center; max-width: 850px; }
.eyebrow, .kicker { font-size: .69rem; font-weight: 700; letter-spacing: .15em; margin: 0 0 1.9rem; text-transform: uppercase; }
.certification-badge { align-items: center; border: 1px solid var(--ink); display: inline-flex; font-size: .64rem; font-weight: 800; gap: .55rem; letter-spacing: .12em; margin: 0 0 1.25rem; padding: .48rem .65rem; text-transform: uppercase; }
.certification-badge span { color: var(--orange); font-size: .8rem; }
.eyebrow { align-items: center; display: flex; gap: .65rem; }
.eyebrow span { background: var(--orange); border-radius: 50%; height: 8px; width: 8px; }
.hero h1 { font-family: var(--serif); font-size: clamp(3.6rem, 6.4vw, 7.8rem); font-weight: 400; letter-spacing: -.055em; line-height: .92; margin: 0; max-width: 1000px; }
.hero h1 em { color: var(--ink-soft); font-style: italic; }
.hero-deck { border-left: 1px solid var(--ink); font-size: clamp(1rem, 1.25vw, 1.25rem); line-height: 1.55; margin: clamp(2.2rem, 5vw, 4.5rem) 0 0; max-width: 660px; padding-left: 1.4rem; }
.hero-actions { align-items: center; display: flex; flex-wrap: wrap; gap: 1.5rem 2.3rem; margin-top: 2.5rem; }
.button { align-items: center; display: inline-flex; font-size: .72rem; font-weight: 700; gap: 2.3rem; justify-content: space-between; letter-spacing: .08em; min-width: 210px; padding: 1rem 1.1rem; text-transform: uppercase; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--ink); color: var(--white); }
.button-primary span { color: var(--signal); }
.text-link, .method-link { border-bottom: 1px solid var(--ink); font-size: .77rem; font-weight: 700; letter-spacing: .04em; padding: .8rem 0 .5rem; text-transform: uppercase; }
.text-link span, .method-link span { color: var(--orange); margin-left: .5rem; }

.signal-field { align-self: center; background: var(--ink); color: var(--white); min-height: 620px; overflow: hidden; padding: 1rem; position: relative; }
.signal-field::after { border: 1px solid rgba(255,255,255,.2); content: ""; inset: 1rem; pointer-events: none; position: absolute; }
.signal-meta, .signal-legend { display: flex; font-size: .62rem; font-weight: 700; justify-content: space-between; letter-spacing: .12em; position: relative; text-transform: uppercase; z-index: 2; }
.signal-meta { padding: .7rem .7rem 0; }
.live-dot::before { background: var(--signal); border-radius: 50%; box-shadow: 0 0 0 4px rgba(184,255,61,.15); content: ""; display: inline-block; height: 6px; margin-right: .5rem; width: 6px; }
.signal-field > svg { height: auto; margin: 0 auto; width: min(100%, 620px); }
.signal-grid-lines { fill: none; opacity: .12; stroke: var(--white); stroke-width: 1; }
.signal-rings { fill: none; opacity: .16; stroke: var(--white); stroke-dasharray: 4 8; }
.signal-boundary { animation: boundary-drift 8s ease-in-out infinite alternate; fill: rgba(184,255,61,.035); stroke: var(--signal); stroke-width: 2; transform-origin: center; }
.signal-axis-copy { fill: rgba(255,255,255,.35); font-family: var(--sans); font-size: 10px; font-weight: 700; letter-spacing: 2px; }
.signal-node circle:first-child { fill: var(--signal); }
.signal-node .pulse { animation: node-pulse 2.8s ease-out infinite; fill: none; stroke: var(--signal); }
.signal-node text { fill: var(--white); font-family: var(--sans); font-size: 10px; font-weight: 700; letter-spacing: 1.2px; }
.node-two .pulse { animation-delay: -.7s; }.node-three .pulse { animation-delay: -1.4s; }.node-four .pulse { animation-delay: -2.1s; }
.signal-core { fill: var(--orange); }
.signal-legend { bottom: .35rem; justify-content: flex-start; gap: 1.3rem; padding: 0 .7rem .7rem; }
.signal-legend i { border: 1px solid rgba(255,255,255,.6); border-radius: 50%; display: inline-block; height: 6px; margin-right: .3rem; width: 6px; }
.signal-legend span:nth-child(1) i { background: var(--signal); border-color: var(--signal); }
.signal-legend span:nth-child(2) i { background: var(--orange); border-color: var(--orange); }

.research-strip { background: var(--signal); overflow: hidden; padding: .82rem 0; white-space: nowrap; }
.research-strip div { animation: ticker 32s linear infinite; display: inline-flex; gap: 2rem; padding-left: 2rem; }
.research-strip span { font-size: .68rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.research-strip b { font-size: .5rem; }

.numbered-section { border-bottom: 1px solid var(--line); }
.section-number { font-size: .64rem; font-weight: 700; letter-spacing: .12em; padding-top: .35rem; text-transform: uppercase; }
.thesis { gap: clamp(2rem, 4vw, 5rem); padding-bottom: clamp(5rem, 10vw, 10rem); padding-top: clamp(5rem, 10vw, 10rem); }
.thesis-copy h2, .section-heading h2, .briefs-heading h2, .about-heading h2, .contact-section h2, .responsibility-section h2 { font-family: var(--serif); font-size: clamp(2.7rem, 5vw, 6rem); font-weight: 400; letter-spacing: -.045em; line-height: .98; margin: 0; }
.thesis-copy > p:last-child { font-size: clamp(1.1rem, 1.5vw, 1.45rem); line-height: 1.55; margin: 3rem 0 0; max-width: 800px; }
.thesis-facts { align-self: end; margin: 0; }
.thesis-facts div { border-top: 1px solid var(--line); padding: 1.1rem 0; }
.thesis-facts dt { color: var(--muted); font-size: .64rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.thesis-facts dd { font-family: var(--serif); font-size: 1.1rem; margin: .3rem 0 0; }

.research-section { padding-bottom: clamp(5rem, 9vw, 9rem); padding-top: clamp(5rem, 9vw, 9rem); }
.section-heading { gap: clamp(2rem, 4vw, 5rem); }
.section-intro { align-self: end; font-size: 1rem; margin: 0; max-width: 430px; }
.program-grid { display: grid; grid-template-columns: repeat(4, 1fr); margin: clamp(4rem, 7vw, 7rem) auto 0; max-width: var(--max); padding: 0 var(--pad); }
.program-card { border: 1px solid var(--line); border-right: 0; display: flex; flex-direction: column; min-height: 560px; padding: 1.4rem; transition: background .25s ease, transform .25s ease; }
.program-card:last-child { border-right: 1px solid var(--line); }
.program-card:hover { background: var(--white); transform: translateY(-5px); }
.program-top { display: flex; font-size: .63rem; font-weight: 700; justify-content: space-between; letter-spacing: .1em; text-transform: uppercase; }
.status { align-items: center; display: flex; gap: .45rem; }
.status::before { background: var(--signal); border: 1px solid var(--ink); border-radius: 50%; content: ""; height: 7px; width: 7px; }
.status.risk::before { background: var(--orange); }
.program-icon { height: 150px; margin: 3rem auto 2.5rem; position: relative; width: 150px; }
.program-card h3 { font-family: var(--serif); font-size: clamp(1.65rem, 2vw, 2.2rem); font-weight: 400; letter-spacing: -.025em; line-height: 1.05; margin: auto 0 1rem; }
.program-card p { color: var(--ink-soft); font-size: .9rem; line-height: 1.6; margin: 0 0 1.6rem; }
.program-card ul { border-top: 1px solid var(--line); list-style: none; margin: 0; padding: .8rem 0 0; }
.program-card li { color: var(--muted); font-size: .66rem; font-weight: 700; letter-spacing: .08em; padding: .25rem 0; text-transform: uppercase; }
.icon-evals { border: 1px solid var(--line); border-radius: 50%; }
.icon-evals::before, .icon-evals::after { background: var(--line); content: ""; left: 50%; position: absolute; top: 0; transform: translateX(-50%); }
.icon-evals::before { height: 100%; width: 1px; }.icon-evals::after { height: 1px; left: 0; top: 50%; transform: none; width: 100%; }
.icon-evals i { background: var(--ink); border-radius: 50%; height: 10px; position: absolute; width: 10px; }
.icon-evals i:nth-child(1) { left: 38px; top: 34px; }.icon-evals i:nth-child(2) { background: var(--orange); right: 27px; top: 62px; }.icon-evals i:nth-child(3) { background: var(--signal); bottom: 27px; left: 55px; }
.icon-align i { border: 1px solid var(--ink); border-radius: 50%; height: 115px; left: 4px; position: absolute; top: 17px; width: 115px; }
.icon-align i:last-child { left: 31px; }
.icon-align::after { background: var(--signal); border: 1px solid var(--ink); border-radius: 50%; content: ""; height: 15px; left: 68px; position: absolute; top: 68px; width: 15px; }
.icon-bio i { background: var(--ink); height: 1px; left: 20px; position: absolute; top: 75px; transform-origin: center; width: 110px; }
.icon-bio i:nth-child(2) { transform: rotate(45deg); }.icon-bio i:nth-child(3) { transform: rotate(90deg); }.icon-bio i:nth-child(4) { transform: rotate(135deg); }
.icon-bio::before, .icon-bio::after { border: 1px solid var(--ink); border-radius: 50%; content: ""; inset: 35px; position: absolute; }
.icon-bio::after { background: var(--orange); border: 0; inset: 65px; }
.icon-red i { border: 1px solid var(--ink); height: 105px; left: 22px; position: absolute; top: 20px; transform: rotate(45deg); width: 105px; }
.icon-red i:last-child { transform: rotate(0); }
.icon-red::after { background: var(--signal); border: 1px solid var(--ink); content: ""; height: 16px; left: 67px; position: absolute; top: 67px; transform: rotate(45deg); width: 16px; }

.method-section { background: var(--ink); color: var(--white); }
.method-shell { gap: 0 clamp(2rem, 4vw, 5rem); padding-bottom: clamp(5rem, 9vw, 9rem); padding-top: clamp(5rem, 9vw, 9rem); }
.method-heading h2 { font-family: var(--serif); font-size: clamp(3rem, 5.2vw, 6.3rem); font-weight: 400; letter-spacing: -.045em; line-height: .98; margin: 0; }
.method-intro { align-self: end; color: rgba(255,255,255,.66); font-size: 1rem; margin: 0; }
.method-steps { grid-column: 2 / 4; list-style: none; margin: clamp(4rem, 8vw, 8rem) 0 0; padding: 0; }
.method-steps li { align-items: start; border-top: 1px solid rgba(255,255,255,.22); display: grid; gap: 2rem; grid-template-columns: 45px 1fr auto; padding: 2rem 0; }
.step-number, .step-tag { color: var(--signal); font-size: .63rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.step-tag { border: 1px solid rgba(255,255,255,.25); border-radius: 3rem; color: rgba(255,255,255,.65); padding: .4rem .7rem; }
.method-steps h3 { font-family: var(--serif); font-size: clamp(1.6rem, 2.3vw, 2.5rem); font-weight: 400; margin: -.3rem 0 .5rem; }
.method-steps p { color: rgba(255,255,255,.58); margin: 0; max-width: 650px; }
.method-link { border-color: rgba(255,255,255,.5); grid-column: 2; justify-self: start; margin-top: 2.5rem; }

.briefs-section { gap: clamp(2rem, 4vw, 5rem); padding-bottom: clamp(5rem, 9vw, 9rem); padding-top: clamp(5rem, 9vw, 9rem); }
.briefs-heading { grid-column: 2 / 4; }
.brief-list { grid-column: 2 / 4; margin-top: 3rem; }
.brief-list a { align-items: center; border-top: 1px solid var(--line); display: grid; gap: 1.5rem; grid-template-columns: 85px 1fr 150px 24px; padding: 1.7rem .4rem; transition: background .2s ease, padding .2s ease; }
.brief-list a:last-child { border-bottom: 1px solid var(--line); }
.brief-list a:hover { background: var(--white); padding-left: 1rem; padding-right: 1rem; }
.brief-index, .brief-meta { color: var(--muted); font-size: .62rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.brief-title { font-family: var(--serif); font-size: clamp(1.25rem, 2vw, 1.8rem); }
.brief-arrow { color: var(--orange); font-size: 1.2rem; }

.responsibility-section { background: var(--orange); }
.responsibility-shell { gap: clamp(2rem, 4vw, 5rem); padding-bottom: clamp(4rem, 7vw, 7rem); padding-top: clamp(4rem, 7vw, 7rem); }
.responsibility-section h2 { max-width: 800px; }
.responsibility-copy { align-self: end; }
.responsibility-copy p { font-size: 1rem; line-height: 1.6; margin: 0 0 2rem; }
.button-dark { background: var(--ink); color: var(--white); }
.button-dark span { color: var(--signal); }

.about-section { gap: clamp(2rem, 4vw, 5rem); padding-bottom: clamp(5rem, 10vw, 10rem); padding-top: clamp(5rem, 10vw, 10rem); }
.about-heading { grid-column: 2 / 4; }
.about-copy { grid-column: 2; margin-top: 3rem; }
.about-copy p { font-size: clamp(1.1rem, 1.4vw, 1.35rem); line-height: 1.6; margin: 0 0 1.5rem; }
.about-principles { align-self: end; border-top: 1px solid var(--line); display: flex; flex-direction: column; grid-column: 3; margin-top: 3rem; }
.about-principles span { border-bottom: 1px solid var(--line); font-size: .66rem; font-weight: 700; letter-spacing: .09em; padding: 1rem 0; text-transform: uppercase; }

.contact-section { background: var(--white); }
.contact-shell { gap: clamp(2rem, 4vw, 5rem); padding-bottom: clamp(5rem, 9vw, 9rem); padding-top: clamp(5rem, 9vw, 9rem); }
.contact-shell > div:nth-child(2) { grid-column: 2 / 4; }
.contact-links { grid-column: 2 / 4; margin-top: 3rem; }
.contact-links a { align-items: center; border-top: 1px solid var(--ink); display: grid; gap: 1rem; grid-template-columns: 180px 1fr 30px; padding: 1.7rem 0; }
.contact-links a:last-child { border-bottom: 1px solid var(--ink); }
.contact-links span { color: var(--muted); font-size: .65rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.contact-links strong { font-family: var(--serif); font-size: clamp(1.3rem, 2.6vw, 2.6rem); font-weight: 400; }
.contact-links i { color: var(--orange); font-style: normal; font-size: 1.4rem; transition: transform .2s ease; }
.contact-links a:hover i { transform: translate(4px, -4px); }

.site-footer { background: var(--ink); color: var(--white); gap: 2rem 4rem; padding-bottom: 2.5rem; padding-top: 4rem; }
.footer-brand { font-size: .84rem; font-weight: 700; letter-spacing: .06em; line-height: 1.1; text-transform: uppercase; }
.site-footer > p { color: rgba(255,255,255,.52); font-size: .8rem; margin: 0; }
.footer-certification { color: var(--signal); display: inline-block; font-size: .62rem; letter-spacing: .1em; margin-top: .55rem; text-transform: uppercase; }
.footer-links { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: flex-end; }
.footer-links a { font-size: .66rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.copyright { border-top: 1px solid rgba(255,255,255,.16); grid-column: 1 / 4; margin-top: 2rem !important; padding-top: 1.5rem; }

/* Brief and policy pages */
.article-header { background: var(--ink); color: var(--white); padding: clamp(10rem, 18vh, 13rem) var(--pad) clamp(4rem, 8vw, 7rem); }
.article-header-inner, .article-layout { margin: 0 auto; max-width: 1180px; }
.article-back { color: var(--signal); font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.article-label { color: rgba(255,255,255,.55); font-size: .68rem; font-weight: 700; letter-spacing: .12em; margin: 5rem 0 1.5rem; text-transform: uppercase; }
.article-header h1 { font-family: var(--serif); font-size: clamp(3.3rem, 7vw, 7rem); font-weight: 400; letter-spacing: -.05em; line-height: .93; margin: 0; max-width: 1080px; }
.article-meta { border-top: 1px solid rgba(255,255,255,.22); display: flex; flex-wrap: wrap; gap: 1rem 3rem; margin-top: 4rem; padding-top: 1rem; }
.article-meta span { color: rgba(255,255,255,.6); font-size: .64rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.article-main { background: var(--paper); padding: clamp(4rem, 8vw, 8rem) var(--pad); }
.article-layout { display: grid; gap: clamp(2rem, 7vw, 8rem); grid-template-columns: 210px minmax(0, 720px); }
.article-toc { align-self: start; border-top: 1px solid var(--line); position: sticky; top: 120px; }
.article-toc p { color: var(--muted); font-size: .62rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.article-toc a { border-bottom: 1px solid var(--line); display: block; font-size: .75rem; padding: .8rem 0; }
.article-body .lede { font-family: var(--serif); font-size: clamp(1.7rem, 3vw, 2.6rem); letter-spacing: -.025em; line-height: 1.25; margin: 0 0 4rem; }
.article-body h2 { font-family: var(--serif); font-size: clamp(2rem, 3.8vw, 3.7rem); font-weight: 400; letter-spacing: -.04em; line-height: 1.05; margin: 5rem 0 1.4rem; scroll-margin-top: 120px; }
.article-body h3 { font-size: .78rem; letter-spacing: .1em; margin: 2.8rem 0 1rem; text-transform: uppercase; }
.article-body p, .article-body li { color: var(--ink-soft); font-size: 1.05rem; line-height: 1.75; }
.article-body ul, .article-body ol { padding-left: 1.4rem; }
.article-body li { margin-bottom: .8rem; padding-left: .4rem; }
.article-callout { background: var(--signal); color: var(--ink); margin: 3rem 0; padding: 1.8rem; }
.article-callout.orange { background: var(--orange); }
.article-callout p { color: var(--ink); font-family: var(--serif); font-size: 1.35rem; line-height: 1.45; margin: 0; }
.article-footer { background: var(--white); border-top: 1px solid var(--line); padding: 3rem var(--pad); }
.article-footer-inner { align-items: center; display: flex; justify-content: space-between; margin: 0 auto; max-width: 1180px; }

[data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity .75s ease, transform .75s cubic-bezier(.22,1,.36,1); }
[data-reveal].is-visible { opacity: 1; transform: none; }

@keyframes boundary-drift { to { transform: rotate(3deg) scale(1.025); } }
@keyframes node-pulse { 0% { opacity: .8; transform: scale(.4); } 100% { opacity: 0; transform: scale(1.6); } }
@keyframes ticker { to { transform: translateX(-50%); } }

@media (max-width: 1080px) {
  .site-nav { gap: 1.2rem; }
  .hero { grid-template-columns: 1fr 390px; gap: 2rem; }
  .signal-field { min-height: 520px; }
  .program-grid { grid-template-columns: repeat(2, 1fr); }
  .program-card:nth-child(2) { border-right: 1px solid var(--line); }
  .program-card:nth-child(3), .program-card:nth-child(4) { border-top: 0; }
}

@media (max-width: 800px) {
  .site-header { height: 72px; }
  body.menu-open .site-header { align-items: flex-start; height: 100dvh; padding-top: 18px; }
  body.menu-open .brand { position: relative; z-index: 93; }
  .menu-toggle { align-items: center; display: flex; font-size: .68rem; font-weight: 700; gap: .7rem; letter-spacing: .1em; text-transform: uppercase; z-index: 92; }
  .menu-toggle i, .menu-toggle i::after { background: var(--ink); content: ""; display: block; height: 1px; transition: transform .2s ease; width: 20px; }
  .menu-toggle i::after { transform: translateY(6px); }
  .menu-toggle[aria-expanded="true"] i { transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] i::after { transform: rotate(-90deg); }
  .site-nav { align-items: stretch; background: var(--paper); flex-direction: column; inset: 72px 0 0; justify-content: flex-start; opacity: 0; overflow-y: auto; padding: 2rem var(--pad); pointer-events: none; position: absolute; transform: translateY(-15px); transition: opacity .25s ease, transform .25s ease; }
  .site-nav.is-open { opacity: 1; pointer-events: auto; transform: none; }
  .site-nav a { border-top: 1px solid var(--line); font-family: var(--serif); font-size: 2rem; font-weight: 400; letter-spacing: -.02em; padding: .8rem 0; text-transform: none; }
  .site-nav .nav-contact { background: var(--ink); color: var(--white); font-family: var(--sans); font-size: .8rem; font-weight: 700; justify-content: space-between; margin-top: auto; padding: 1rem; text-transform: uppercase; }
  .section-grid { grid-template-columns: 1fr; }
  .hero { display: grid; grid-template-columns: 1fr; min-height: auto; padding-top: 9rem; }
  .hero h1 { font-size: clamp(3.4rem, 15vw, 6.4rem); }
  .signal-field { justify-self: stretch; min-height: auto; }
  .section-number { margin-bottom: 2.5rem; }
  .thesis, .section-heading, .method-shell, .briefs-section, .responsibility-shell, .about-section, .contact-shell { display: block; }
  .thesis-facts, .section-intro, .method-intro, .responsibility-copy, .about-copy, .about-principles { margin-top: 3rem; }
  .program-grid { grid-template-columns: 1fr; }
  .program-card { border-right: 1px solid var(--line); min-height: 500px; }
  .program-card:nth-child(n+2) { border-top: 0; }
  .method-steps, .briefs-heading, .brief-list, .about-heading, .about-copy, .about-principles, .contact-shell > div:nth-child(2), .contact-links { grid-column: auto; }
  .method-steps { margin-top: 4rem; }
  .method-link { display: inline-block; margin-top: 2rem; }
  .brief-list { margin-top: 3rem; }
  .brief-list a { grid-template-columns: 72px 1fr 20px; }
  .brief-meta { display: none; }
  .contact-links a { grid-template-columns: 1fr 24px; }
  .contact-links span { grid-column: 1 / 3; }
  .site-footer { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .copyright { grid-column: auto; }
  .article-layout { grid-template-columns: 1fr; }
  .article-toc { position: static; }
}

@media (max-width: 520px) {
  .brand span { display: none; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .signal-field { padding: .7rem; }
  .signal-field::after { inset: .7rem; }
  .signal-legend { gap: .75rem; }
  .signal-legend span { font-size: .5rem; }
  .program-grid { padding: 0 .75rem; }
  .program-card { padding: 1.1rem; }
  .method-steps li { gap: 1rem; grid-template-columns: 30px 1fr; }
  .step-tag { display: none; }
  .brief-list a { gap: .8rem; grid-template-columns: 1fr 20px; }
  .brief-index { grid-column: 1 / 3; }
  .contact-links strong { font-size: 1.15rem; overflow-wrap: anywhere; }
  .article-header h1 { font-size: 3.2rem; }
  .article-footer-inner { align-items: flex-start; flex-direction: column; gap: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}