:root {
  --night: #06151c;
  --night-deep: #031016;
  --panel: #0a2029;
  --panel-raised: #0d2731;
  --panel-soft: rgba(13, 39, 49, 0.72);
  --gold: #f0c55b;
  --gold-soft: #d8a942;
  --gold-pale: #ffe4a0;
  --teal: #58c7c2;
  --blue: #79aeea;
  --violet: #b699e8;
  --green: #83d5aa;
  --red: #f28d86;
  --ink: #f4f2e9;
  --ink-soft: #bdc8c8;
  --ink-dim: #839699;
  --line: rgba(177, 208, 207, 0.16);
  --line-strong: rgba(240, 197, 91, 0.34);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  --sans: 'Manrope', 'Segoe UI', sans-serif;
  --serif: 'Fraunces', Georgia, serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body.research-site,
body.subpage-site {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 2%, rgba(29, 118, 133, 0.22), transparent 28rem),
    radial-gradient(circle at 90% 16%, rgba(61, 81, 143, 0.18), transparent 31rem),
    linear-gradient(180deg, var(--night-deep), var(--night) 42%, #071920);
  font-family: var(--sans);
  line-height: 1.65;
  font-weight: 400;
  min-height: 100vh;
}

body.research-site::before,
body.subpage-site::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.2;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
  z-index: -1;
}

.research-site *,
.subpage-site * { box-sizing: border-box; }

.research-site h1,
.research-site h2,
.research-site h3,
.research-site h4,
.subpage-site h1,
.subpage-site h2,
.subpage-site h3,
.subpage-site h4 {
  font-family: var(--serif);
  color: var(--ink);
  letter-spacing: -0.025em;
}

.research-site a,
.subpage-site a { color: var(--gold); text-decoration: none; }
.research-site a:hover,
.subpage-site a:hover { color: var(--gold-pale); }
.research-site a:focus-visible,
.subpage-site a:focus-visible,
.research-site summary:focus-visible,
.subpage-site summary:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 4px;
  border-radius: 4px;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 1000;
  padding: 0.7rem 1rem;
  color: var(--night) !important;
  background: var(--gold);
  border-radius: 0 0 8px 8px;
  font-weight: 800;
}
.skip-link:focus { top: 0; }

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 72px;
  padding: 0.75rem max(1.25rem, calc((100vw - 1180px) / 2));
  background: rgba(3, 16, 22, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  color: var(--ink) !important;
  font-family: var(--serif);
  font-weight: 650;
  font-size: 1.03rem;
  white-space: nowrap;
}

.brand img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  box-shadow: 0 0 28px rgba(48, 153, 168, 0.26);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 1.65vw, 1.45rem);
  overflow-x: auto;
  scrollbar-width: none;
}
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.045em;
  text-transform: uppercase;
  white-space: nowrap;
}
.nav-links a:hover,
.nav-links a.active { color: var(--gold); }

.hero-shell {
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(3.5rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.55fr);
  gap: clamp(2.5rem, 7vw, 6rem);
  align-items: center;
}

.hero-copy { max-width: 780px; }

.eyebrow,
.section-kicker,
.card-kicker {
  margin: 0 0 1rem;
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-copy h1 {
  margin: 0 0 1.45rem;
  font-size: clamp(3rem, 6.3vw, 6.25rem);
  line-height: 0.98;
  max-width: 950px;
}

.hero-copy .lead {
  max-width: 720px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.75;
}

.hero-actions,
.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0.72rem 1.2rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--ink) !important;
  background: rgba(240, 197, 91, 0.06);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.025em;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}
.button:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  background: rgba(240, 197, 91, 0.13);
}
.button.primary {
  color: #122027 !important;
  border-color: var(--gold);
  background: var(--gold);
}
.button.primary:hover { background: var(--gold-pale); }

.hero-mark {
  position: relative;
  width: min(100%, 360px);
  justify-self: end;
  padding: 1rem;
}
.hero-mark::before {
  content: '';
  position: absolute;
  inset: 11%;
  border-radius: 50%;
  background: rgba(45, 159, 176, 0.2);
  filter: blur(40px);
}
.hero-mark img {
  position: relative;
  display: block;
  width: 100%;
  height: auto;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow);
}

.evidence-strip {
  width: min(1180px, calc(100% - 2.5rem));
  margin: 0 auto clamp(4.5rem, 8vw, 7rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(9, 31, 39, 0.72);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.evidence-stat {
  min-height: 136px;
  padding: 1.45rem;
  border-right: 1px solid var(--line);
}
.evidence-stat:last-child { border-right: 0; }
.evidence-stat strong {
  display: block;
  color: var(--gold-pale);
  font-family: var(--serif);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  line-height: 1;
  font-weight: 650;
}
.evidence-stat span {
  display: block;
  margin-top: 0.62rem;
  color: var(--ink-dim);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  line-height: 1.45;
}

.site-section {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 0 auto;
  padding: clamp(3.5rem, 7vw, 6rem) 0;
  scroll-margin-top: 86px;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(280px, 1.15fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: end;
  margin-bottom: 2.5rem;
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(2.25rem, 5vw, 4.75rem);
  line-height: 1.03;
}
.section-heading p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.75;
}

.thesis-panel {
  position: relative;
  padding: clamp(2rem, 5vw, 4.5rem);
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background:
    radial-gradient(circle at 92% 20%, rgba(88, 199, 194, 0.15), transparent 20rem),
    rgba(10, 32, 41, 0.86);
  overflow: hidden;
}
.thesis-panel::after {
  content: 'THE THESIS';
  position: absolute;
  right: 1.5rem;
  bottom: -0.1em;
  color: rgba(240, 197, 91, 0.055);
  font-family: var(--serif);
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 650;
  line-height: 0.8;
  white-space: nowrap;
  pointer-events: none;
}
.thesis-panel blockquote {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(1.65rem, 3.8vw, 3.25rem);
  line-height: 1.18;
}
.thesis-panel p {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 1.35rem 0 0;
  color: var(--ink-soft);
}

.failure-loop {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin-top: 2rem;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
}
.loop-step {
  position: relative;
  min-height: 174px;
  padding: 1.45rem;
  background: var(--panel-soft);
  border-right: 1px solid var(--line);
}
.loop-step:last-child { border-right: 0; }
.loop-step::after {
  content: '→';
  position: absolute;
  right: -0.65rem;
  top: 50%;
  z-index: 2;
  display: grid;
  width: 1.3rem;
  height: 1.3rem;
  place-items: center;
  color: var(--gold);
  background: var(--night);
  border-radius: 50%;
  transform: translateY(-50%);
}
.loop-step:last-child::after { display: none; }
.loop-step .step-number {
  color: var(--teal);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.13em;
}
.loop-step h3 {
  margin: 0.8rem 0 0.45rem;
  font-family: var(--sans);
  font-size: 1rem;
  letter-spacing: -0.01em;
}
.loop-step p {
  margin: 0;
  color: var(--ink-dim);
  font-size: 0.82rem;
  line-height: 1.55;
}

.finding-grid,
.architecture-grid,
.project-grid,
.paper-feature-grid,
.methods-grid,
.subpage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.finding-card,
.architecture-card,
.project-card,
.paper-feature,
.method-card,
.subpage-grid > div {
  min-height: 100%;
  padding: 1.55rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(10, 32, 41, 0.76);
}
.finding-card.featured {
  border-color: var(--line-strong);
  background: linear-gradient(145deg, rgba(31, 74, 81, 0.62), rgba(10, 32, 41, 0.82));
}
.finding-card h3,
.architecture-card h3,
.project-card h3,
.paper-feature h3,
.method-card h3,
.subpage-grid h3 {
  margin: 0 0 0.65rem;
  font-size: 1.35rem;
}
.finding-card p,
.architecture-card p,
.project-card p,
.paper-feature p,
.method-card p,
.subpage-grid p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.88rem;
}
.metric {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--gold-pale);
  font-family: var(--serif);
  font-size: 2.25rem;
  line-height: 1;
}

.architecture-grid { position: relative; }
.architecture-card { border-top: 2px solid var(--teal); }
.architecture-card:nth-child(2) { border-top-color: var(--gold); }
.architecture-card:nth-child(3) { border-top-color: var(--green); }
.architecture-card .architecture-label {
  color: var(--ink-dim);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.architecture-rail {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--line);
}
.architecture-rail div {
  padding: 1rem 1.2rem;
  color: var(--ink-soft);
  background: var(--panel);
  font-size: 0.8rem;
}
.architecture-rail strong { display: block; color: var(--ink); margin-bottom: 0.25rem; }

.paper-feature { display: flex; flex-direction: column; }
.paper-number {
  color: var(--gold);
  font-family: var(--serif);
  font-size: 2.8rem;
  line-height: 1;
}
.paper-feature h3 { margin-top: 1rem; }
.paper-feature .paper-meta {
  margin-top: 0.75rem;
  color: var(--ink-dim);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.paper-feature a { margin-top: auto; padding-top: 1.2rem; font-weight: 800; font-size: 0.82rem; }

.library-details {
  margin-top: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(10, 32, 41, 0.54);
  overflow: hidden;
}
.library-details summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 1.4rem;
  cursor: pointer;
  color: var(--ink);
  font-weight: 800;
  list-style: none;
}
.library-details summary::-webkit-details-marker { display: none; }
.library-details summary::after { content: '+'; color: var(--gold); font-size: 1.4rem; }
.library-details[open] summary::after { content: '−'; }
.paper-list { border-top: 1px solid var(--line); }
.paper-row {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: start;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--line);
}
.paper-row:last-child { border-bottom: 0; }
.paper-row .index { color: var(--ink-dim); font-family: var(--serif); font-size: 1.15rem; }
.paper-row h4 { margin: 0 0 0.25rem; font-family: var(--sans); font-size: 0.9rem; letter-spacing: -0.01em; }
.paper-row p { margin: 0; color: var(--ink-dim); font-size: 0.78rem; }
.paper-row .type { color: var(--teal); font-size: 0.66rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase; white-space: nowrap; }

.project-card { display: flex; flex-direction: column; }
.project-card .status {
  align-self: flex-start;
  margin-bottom: 1rem;
  padding: 0.25rem 0.55rem;
  color: var(--teal);
  border: 1px solid rgba(88, 199, 194, 0.3);
  border-radius: 999px;
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
.project-card .inline-link { margin-top: auto; padding-top: 1rem; font-size: 0.82rem; font-weight: 800; }

.system-panel {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 1.2rem;
  padding: 1.2rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(10, 32, 41, 0.72);
}
.system-numbers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  border-radius: 13px;
  overflow: hidden;
  background: var(--line);
}
.system-number { padding: 1.2rem; background: var(--panel-raised); }
.system-number strong { display: block; color: var(--gold-pale); font-family: var(--serif); font-size: 1.85rem; }
.system-number span { color: var(--ink-dim); font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.07em; }
.system-copy { padding: 1rem 1rem 1rem 1.4rem; }
.system-copy h3 { margin: 0 0 0.7rem; font-size: 1.5rem; }
.system-copy p { margin: 0 0 1rem; color: var(--ink-soft); }
.plain-list { margin: 0; padding: 0; list-style: none; }
.plain-list li {
  position: relative;
  margin-top: 0.55rem;
  padding-left: 1.1rem;
  color: var(--ink-dim);
  font-size: 0.82rem;
}
.plain-list li::before { content: '—'; position: absolute; left: 0; color: var(--gold); }

.founder-panel {
  display: grid;
  grid-template-columns: minmax(220px, 0.45fr) minmax(0, 1.55fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  padding: clamp(2rem, 5vw, 4rem);
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(10, 32, 41, 0.72);
}
.founder-panel .quote {
  margin: 0;
  color: var(--gold-pale);
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
}
.founder-panel h2 { margin: 0 0 0.6rem; font-size: 2rem; }
.founder-panel p { margin: 0 0 1rem; color: var(--ink-soft); }

.cta-panel {
  padding: clamp(2.2rem, 6vw, 4.5rem);
  text-align: center;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  background: linear-gradient(145deg, rgba(22, 67, 76, 0.7), rgba(10, 32, 41, 0.82));
}
.cta-panel h2 { max-width: 760px; margin: 0 auto 1rem; font-size: clamp(2.1rem, 5vw, 4rem); line-height: 1.05; }
.cta-panel p { max-width: 680px; margin: 0 auto; color: var(--ink-soft); }
.cta-panel .action-row { justify-content: center; }

.site-footer {
  width: min(1120px, calc(100% - 2.5rem));
  margin: 4rem auto 0;
  padding: 2.2rem 0 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--ink-dim);
  border-top: 1px solid var(--line);
  font-size: 0.74rem;
}

/* Existing Haven and Hive content, restyled into the same research system. */
body.subpage-site nav {
  position: sticky;
  min-height: 72px;
  padding: 0.75rem max(1.25rem, calc((100vw - 1180px) / 2));
  background: rgba(3, 16, 22, 0.88);
  border-color: var(--line);
}
body.subpage-site nav .logo {
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.03rem;
}
body.subpage-site nav .logo img { width: 40px; height: 40px !important; border: 1px solid var(--line-strong); }
body.subpage-site nav .links { gap: clamp(0.7rem, 2vw, 1.5rem); }
body.subpage-site nav .links a {
  color: var(--ink-soft);
  font-family: var(--sans);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
body.subpage-site nav .links a.active,
body.subpage-site nav .links a:hover { color: var(--gold); }
body.subpage-site .hero {
  width: min(1120px, calc(100% - 2.5rem));
  min-height: auto;
  margin: 0 auto;
  padding: clamp(5rem, 10vw, 8.5rem) 0 clamp(3.5rem, 7vw, 6rem);
  align-items: flex-start;
  text-align: left;
}
body.subpage-site .hero h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(4rem, 10vw, 8.5rem);
  line-height: 0.92;
  letter-spacing: -0.055em;
  text-transform: none;
}
body.subpage-site .hero .tagline {
  order: -1;
  margin-bottom: 1.1rem;
  color: var(--teal);
  font-family: var(--sans);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}
body.subpage-site .hero .subtitle {
  max-width: 850px;
  margin: 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}
body.subpage-site .hero .proof-line { color: var(--ink-dim); }
body.subpage-site .hero .hero-buttons { justify-content: flex-start; }
body.subpage-site .hero .hero-btn,
body.subpage-site .link-btn {
  border-color: var(--line-strong);
  border-radius: 999px;
  color: var(--ink);
  background: rgba(240, 197, 91, 0.06);
  font-family: var(--sans);
  font-weight: 800;
}
body.subpage-site .hero .hero-btn:hover,
body.subpage-site .link-btn:hover { border-color: var(--gold); color: var(--gold-pale); background: rgba(240, 197, 91, 0.12); }
body.subpage-site section {
  width: min(1040px, calc(100% - 2.5rem));
  max-width: none;
  padding: clamp(3.2rem, 6vw, 5.3rem) 0;
}
body.subpage-site section h2 { margin-bottom: 1.1rem; color: var(--ink); font-size: clamp(2.1rem, 5vw, 3.8rem); line-height: 1.05; }
body.subpage-site section h3 { color: var(--gold-pale); }
body.subpage-site section p { color: var(--ink-soft); }
body.subpage-site .divider { width: min(1040px, calc(100% - 2.5rem)); height: 1px; margin: 0 auto; background: var(--line); opacity: 1; }
body.subpage-site .goal-card,
body.subpage-site .bio-card,
body.subpage-site .arch-card,
body.subpage-site .ethics-card,
body.subpage-site .eval-block,
body.subpage-site .status-box,
body.subpage-site .roadmap-item,
body.subpage-site .scope-box,
body.subpage-site .method-block,
body.subpage-site .arch-block,
body.subpage-site .safety-item,
body.subpage-site .sys-stat {
  color: var(--ink);
  background: rgba(10, 32, 41, 0.76);
  border-color: var(--line);
  border-radius: 14px;
}
body.subpage-site .method-block,
body.subpage-site .status-box { border-color: var(--line-strong); }
body.subpage-site .goal-card h4,
body.subpage-site .bio-card h4,
body.subpage-site .arch-card h4,
body.subpage-site .ethics-card h4,
body.subpage-site .roadmap-item h4 { color: var(--ink); }
body.subpage-site .goal-card p,
body.subpage-site .bio-card p,
body.subpage-site .arch-card p,
body.subpage-site .ethics-card p,
body.subpage-site .roadmap-item p,
body.subpage-site .status-box p,
body.subpage-site .scope-item,
body.subpage-site .safety-item { color: var(--ink-soft); }
body.subpage-site footer {
  width: min(1040px, calc(100% - 2.5rem));
  margin: 3rem auto 0;
  color: var(--ink-dim);
  border-color: var(--line);
}

@media (max-width: 900px) {
  .hero-shell { grid-template-columns: 1fr; }
  .hero-mark { width: 230px; justify-self: start; grid-row: 1; }
  .section-heading,
  .system-panel,
  .founder-panel { grid-template-columns: 1fr; }
  .finding-grid,
  .architecture-grid,
  .project-grid,
  .paper-feature-grid,
  .methods-grid,
  .subpage-grid { grid-template-columns: 1fr 1fr; }
  .evidence-strip,
  .failure-loop { grid-template-columns: 1fr 1fr; }
  .evidence-stat:nth-child(2) { border-right: 0; }
  .evidence-stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .loop-step:nth-child(2) { border-right: 0; }
  .loop-step:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .loop-step:nth-child(2)::after { display: none; }
  .loop-step:nth-child(3)::before {
    content: '↓';
    position: absolute;
    left: 50%;
    top: -0.68rem;
    z-index: 2;
    display: grid;
    width: 1.3rem;
    height: 1.3rem;
    place-items: center;
    color: var(--gold);
    background: var(--night);
    border-radius: 50%;
    transform: translateX(-50%);
  }
}

@media (max-width: 640px) {
  .site-nav { align-items: flex-start; padding: 0.7rem 1rem; }
  .brand span { display: none; }
  .nav-links { padding-top: 0.6rem; }
  .nav-links a { font-size: 0.68rem; }
  .hero-shell,
  .site-section,
  .evidence-strip,
  .site-footer,
  body.subpage-site .hero,
  body.subpage-site section,
  body.subpage-site .divider,
  body.subpage-site footer { width: min(100% - 1.5rem, 1120px); }
  .hero-shell { padding-top: 3.8rem; }
  .hero-copy h1 { font-size: clamp(2.75rem, 14vw, 4.3rem); }
  .hero-mark { width: 175px; }
  .evidence-strip,
  .failure-loop,
  .finding-grid,
  .architecture-grid,
  .project-grid,
  .paper-feature-grid,
  .methods-grid,
  .subpage-grid,
  .architecture-rail { grid-template-columns: 1fr; }
  .evidence-stat { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .evidence-stat:last-child { border-bottom: 0; }
  .loop-step { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  .loop-step:last-child { border-bottom: 0; }
  .loop-step::after,
  .loop-step:nth-child(3)::before { display: none; }
  .paper-row { grid-template-columns: 2rem minmax(0, 1fr); }
  .paper-row .type { grid-column: 2; }
  .system-numbers { grid-template-columns: 1fr; }
  .site-footer { flex-direction: column; }
  body.subpage-site nav { padding: 0.7rem 1rem; }
  body.subpage-site nav .logo { font-size: 0; }
  body.subpage-site .hero h1 { font-size: clamp(4rem, 22vw, 6rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}