@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;800&family=Poppins:wght@300;400;500;600&display=swap');

:root {
  --blue: #0037ff;
  --navy: #051e41;
  --navy-deep: #021329;
  --white: #ffffff;
  --offwhite: #f7fafc;
  --cyan: #28ffff;
  --green: #05fab9;
  --pink: #fca9e6;
  --ink-soft: #496078;
  --line: rgba(5, 30, 65, .17);
  --line-inverse: rgba(255, 255, 255, .25);
  --display: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --data: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --gutter: clamp(24px, 4.5vw, 72px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
main > section[id] { scroll-margin-top: 76px; }
body { margin: 0; color: var(--navy); background: var(--offwhite); font-family: var(--display); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.skip-link { position: fixed; z-index: 100; top: -100px; left: 12px; padding: 10px 14px; color: var(--white); background: var(--navy); }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 76px;
  padding: 0 var(--gutter);
  background: rgba(247, 250, 252, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
  transition: background 180ms ease;
}
.site-header.is-scrolled { background: rgba(255, 255, 255, .97); }
.brand { display: inline-flex; align-items: center; gap: 12px; width: max-content; text-decoration: none; }
.brand img { display: block; width: 112px; }
.brand > span { width: 1px; height: 24px; background: var(--line); }
.brand strong { font-size: 12px; font-weight: 400; letter-spacing: -.02em; }
.main-nav { display: flex; gap: clamp(16px, 2vw, 30px); }
.main-nav a, .header-cta { font: 500 10px var(--data); letter-spacing: .06em; text-decoration: none; text-transform: uppercase; }
.main-nav a { opacity: .58; transition: opacity 180ms ease; }
.main-nav a:hover, .main-nav a:focus-visible { opacity: 1; }
.header-cta { justify-self: end; padding: 8px 0 5px; border-bottom: 1px solid currentColor; }
.header-cta span { margin-left: 8px; color: var(--blue); }

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.01fr) minmax(500px, .99fr);
  min-height: calc(100vh - 76px);
  overflow: hidden;
  background: var(--offwhite);
}
.hero-copy { align-self: center; padding: clamp(80px, 10vh, 128px) var(--gutter) 220px; }
.kicker { display: flex; justify-content: space-between; gap: 24px; max-width: 760px; margin: 0 0 clamp(56px, 8vh, 100px); font: 500 10px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.kicker span:last-child { color: var(--ink-soft); }
.hero h1 { max-width: 970px; margin: 0; font: 300 clamp(66px, 7.1vw, 116px)/.9 var(--display); letter-spacing: -.06em; }
.hero h1 em { color: var(--blue); font-style: normal; font-weight: 500; }
.hero-lede { max-width: 700px; margin: 42px 0 0; color: var(--ink-soft); font-size: clamp(18px, 1.55vw, 24px); line-height: 1.5; letter-spacing: -.025em; }
.hero-actions { display: flex; align-items: center; gap: 30px; margin-top: 40px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 54px; padding: 0 20px; border: 1px solid currentColor; font: 600 10px var(--data); letter-spacing: .08em; text-decoration: none; text-transform: uppercase; transition: transform 140ms ease, filter 140ms ease; }
.button:hover { filter: brightness(.94); }
.button:active { transform: scale(.97); }
.button-blue { color: var(--white); background: var(--blue); border-color: var(--blue); }
.button-light { color: var(--blue); background: var(--white); border-color: var(--white); }
.text-link { font-size: 13px; text-underline-offset: 6px; }

.proof-system { position: relative; min-height: 670px; overflow: hidden; color: var(--white); background: var(--blue); border-left: 1px solid var(--line); isolation: isolate; }
.proof-system::before { position: absolute; z-index: -2; inset: 0; opacity: .11; background-image: linear-gradient(rgba(255,255,255,.22) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.22) 1px, transparent 1px); background-size: 72px 72px; content: ""; }
.proof-system::after { position: absolute; z-index: -1; inset: 0; background: radial-gradient(circle at 52% 54%, rgba(40,255,255,.1), transparent 30%), linear-gradient(145deg, rgba(5,30,65,.22), transparent 54%); content: ""; }
.proof-orbit { position: absolute; top: 50%; left: 50%; border: 1px solid rgba(255,255,255,.28); border-radius: 50%; transform: translate(-50%, -50%) rotate(-18deg); }
.proof-orbit-a { width: min(39vw, 570px); height: min(25vw, 360px); }
.proof-orbit-b { width: min(54vw, 790px); height: min(38vw, 550px); border-color: rgba(40,255,255,.28); transform: translate(-50%, -50%) rotate(34deg); }
.proof-input { position: absolute; display: grid; grid-template-columns: 24px auto; gap: 2px 12px; min-width: 168px; padding: 14px; color: var(--navy); background: var(--white); border: 1px solid rgba(255,255,255,.55); }
.proof-input > span { grid-row: 1 / 3; color: var(--blue); font: 500 9px var(--data); }
.proof-input strong { font-size: 15px; font-weight: 500; letter-spacing: -.025em; }
.proof-input small { color: var(--ink-soft); font-size: 10px; }
.proof-purpose { top: 19%; left: 11%; }
.proof-capability { top: 17%; right: 8%; }
.proof-evidence { right: 12%; bottom: 16%; }
.proof-purpose::before, .proof-capability::before, .proof-evidence::before { position: absolute; width: 12px; height: 12px; border-radius: 50%; content: ""; }
.proof-purpose::before { right: -6px; bottom: -6px; background: var(--cyan); }
.proof-capability::before { right: -6px; bottom: -6px; background: var(--green); }
.proof-evidence::before { top: -6px; left: -6px; background: var(--pink); }
.proof-gate { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: clamp(200px, 16vw, 250px); aspect-ratio: 1; padding: 30px; border: 1px solid rgba(255,255,255,.7); border-radius: 50%; background: radial-gradient(circle at 35% 28%, #43ffff 0, var(--cyan) 14%, var(--blue) 64%, #001f91 100%); text-align: center; transform: translate(-50%, -50%); }
.proof-gate > span { align-self: end; font: 500 8px var(--data); letter-spacing: .1em; text-transform: uppercase; opacity: .74; }
.proof-gate strong { align-self: start; margin-top: 10px; font-size: clamp(18px, 1.5vw, 23px); font-weight: 500; line-height: 1.05; letter-spacing: -.035em; }
.proof-note { position: absolute; bottom: 32px; left: 36px; margin: 0; font: 500 10px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.proof-note span { margin-right: 8px; color: var(--cyan); }

.hero-metrics { position: absolute; right: 50%; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.hero-metrics a { min-height: 148px; padding: 25px clamp(18px, 2.2vw, 34px); border-right: 1px solid var(--line); text-decoration: none; transition: background 160ms ease; }
.hero-metrics a:hover { background: var(--white); }
.hero-metrics strong { display: block; color: var(--blue); font: 500 clamp(28px, 2.6vw, 42px)/1 var(--data); letter-spacing: -.055em; }
.hero-metrics span, .hero-metrics small { display: block; }
.hero-metrics span { margin-top: 12px; font-size: 11px; font-weight: 500; line-height: 1.25; }
.hero-metrics small { margin-top: 4px; color: var(--ink-soft); font-size: 9px; }

.section-index { display: flex; gap: 16px; align-items: baseline; font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.section-index span:first-child { color: var(--blue); }
.eyebrow { margin: 0 0 18px; color: var(--blue); font: 500 10px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.section-heading { display: grid; grid-template-columns: minmax(150px, .28fr) minmax(0, 1.15fr) minmax(260px, .57fr); gap: 40px; align-items: start; padding: clamp(96px, 10vw, 150px) var(--gutter) 64px; }
.section-heading h2, .thesis-statement h2, .protocol-intro h2, .conversation-copy h2, .theses-section h2 { margin: 0; font: 300 clamp(48px, 5vw, 80px)/.96 var(--display); letter-spacing: -.055em; }
.heading-aside { max-width: 390px; margin: 38px 0 0; color: var(--ink-soft); font-size: 13px; line-height: 1.65; }
.inverse { color: var(--white); }
.inverse .section-index span:first-child, .inverse .eyebrow { color: var(--cyan); }
.inverse .heading-aside { color: rgba(255,255,255,.67); }

.thesis-section { display: grid; grid-template-columns: minmax(150px, .28fr) minmax(0, 1.72fr); gap: 40px; padding: clamp(110px, 12vw, 180px) var(--gutter); background: var(--white); }
.thesis-statement { max-width: 1120px; }
.thesis-statement > p:last-child { max-width: 760px; margin: 36px 0 0; color: var(--ink-soft); font-size: clamp(18px, 1.5vw, 23px); line-height: 1.55; letter-spacing: -.025em; }
.thesis-contrast { grid-column: 2; display: grid; grid-template-columns: 1fr 120px 1fr; margin-top: 80px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.thesis-contrast article { min-height: 320px; padding: 34px 0; }
.thesis-contrast article > span { color: var(--ink-soft); font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.thesis-contrast h3 { max-width: 430px; margin: 64px 0 20px; font-size: clamp(30px, 3vw, 48px); font-weight: 400; letter-spacing: -.045em; }
.thesis-contrast p { max-width: 500px; margin: 0; color: var(--ink-soft); font-size: 13px; line-height: 1.7; }
.contrast-active h3 { color: var(--blue); }
.contrast-vector { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; color: var(--blue); }
.contrast-vector::before, .contrast-vector i { height: 1px; background: var(--line); content: ""; }
.contrast-vector i { display: block; }
.contrast-vector span { margin: 0 10px; font-size: 26px; }
.founder-note { grid-column: 2; display: grid; grid-template-columns: 50px 1fr; gap: 22px; max-width: 810px; margin-top: 68px; padding-top: 28px; border-top: 1px solid var(--line); }
.founder-note > span { color: var(--pink); font: 400 52px/1 var(--data); }
.founder-note strong { font-size: 20px; font-weight: 500; }
.founder-note p { margin: 9px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.65; }

.criteria-section { color: var(--white); background: var(--navy); }
.criteria-lab { display: grid; grid-template-columns: minmax(270px, .62fr) minmax(0, 1.38fr); margin: 0 var(--gutter); border: 1px solid var(--line-inverse); }
.criteria-tabs { border-right: 1px solid var(--line-inverse); }
.criteria-tabs button { display: grid; grid-template-columns: 38px 1fr; width: 100%; min-height: 126px; padding: 25px; color: rgba(255,255,255,.55); background: none; border: 0; border-bottom: 1px solid var(--line-inverse); text-align: left; cursor: pointer; transition: color 160ms ease, background 160ms ease; }
.criteria-tabs button:last-child { border-bottom: 0; }
.criteria-tabs button:hover { color: var(--white); }
.criteria-tabs button[aria-selected="true"] { color: var(--white); background: rgba(0,55,255,.35); }
.criteria-tabs span { grid-row: 1 / 3; font: 500 9px var(--data); }
.criteria-tabs strong { font-size: clamp(22px, 2.2vw, 34px); font-weight: 400; letter-spacing: -.035em; }
.criteria-tabs small { margin-top: 6px; font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.criterion-panel { position: relative; display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(40px, 6vw, 90px); min-height: 378px; padding: clamp(36px, 5vw, 76px); overflow: hidden; }
.criterion-panel::after { position: absolute; right: -9vw; bottom: -20vw; width: 34vw; aspect-ratio: 1; border: 1px solid rgba(255,255,255,.18); border-radius: 50%; content: ""; }
.criterion-question > span, .criterion-proof > span, .criterion-risk > span { font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.criterion-question h3 { max-width: 700px; margin: 35px 0 22px; font-size: clamp(34px, 4vw, 62px); font-weight: 300; line-height: 1.02; letter-spacing: -.05em; }
.criterion-question p { max-width: 650px; margin: 0; color: rgba(255,255,255,.7); font-size: 14px; line-height: 1.7; }
.criterion-proof { align-self: start; padding: 24px 0 0; border-top: 1px solid var(--line-inverse); }
.criterion-proof ol { margin: 28px 0 0; padding: 0; list-style: none; counter-reset: proof; }
.criterion-proof li { position: relative; margin-top: 20px; padding-left: 34px; color: rgba(255,255,255,.8); font-size: 12px; line-height: 1.55; counter-increment: proof; }
.criterion-proof li::before { position: absolute; top: 0; left: 0; color: var(--cyan); font: 500 9px var(--data); content: "0" counter(proof); }
.criterion-risk { grid-column: 1 / -1; align-self: end; display: grid; grid-template-columns: 100px 1fr; gap: 24px; margin: 34px 0 0; padding-top: 18px; border-top: 1px solid var(--line-inverse); color: rgba(255,255,255,.72); font-size: 12px; line-height: 1.55; }
.criterion-cyan .criterion-question > span, .criterion-cyan .criterion-risk > span { color: var(--cyan); }
.criterion-green .criterion-question > span, .criterion-green .criterion-risk > span, .criterion-green .criterion-proof li::before { color: var(--green); }
.criterion-pink .criterion-question > span, .criterion-pink .criterion-risk > span, .criterion-pink .criterion-proof li::before { color: var(--pink); }
.criteria-equation { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr auto 1.12fr; align-items: stretch; margin-top: 72px; border-top: 1px solid var(--line-inverse); }
.criteria-equation > div { min-height: 152px; padding: 34px var(--gutter); border-right: 1px solid var(--line-inverse); }
.criteria-equation > b { align-self: center; margin: 0 -9px; font: 400 22px var(--data); }
.criteria-equation span, .criteria-equation small { display: block; }
.criteria-equation span { font-size: clamp(18px, 1.8vw, 28px); letter-spacing: -.035em; }
.criteria-equation small { margin-top: 8px; color: rgba(255,255,255,.55); font-size: 10px; }
.criteria-equation .equation-result { color: var(--navy); background: var(--cyan); border-right: 0; }
.criteria-equation .equation-result small { color: rgba(5,30,65,.68); }

.roles-section { padding-bottom: clamp(110px, 12vw, 180px); background: var(--offwhite); }
.role-map { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 var(--gutter); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.role-card { display: flex; flex-direction: column; min-height: 460px; padding: 28px; background: var(--white); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: color 180ms ease, background 180ms ease; }
.role-card:hover { color: var(--white); background: var(--blue); }
.role-topline { display: flex; justify-content: space-between; font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.role-topline span { color: var(--blue); }
.role-card:hover .role-topline span { color: var(--cyan); }
.role-right { margin: 92px 0 24px; font-size: clamp(24px, 2.2vw, 35px); line-height: 1.05; letter-spacing: -.04em; }
.role-mandate { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.65; }
.role-card:hover .role-mandate { color: rgba(255,255,255,.75); }
.role-bottom { margin-top: auto; padding-top: 22px; border-top: 1px solid var(--line); }
.role-card:hover .role-bottom { border-color: var(--line-inverse); }
.role-bottom span, .role-bottom small { display: block; }
.role-bottom span { font: 500 9px var(--data); letter-spacing: .05em; text-transform: uppercase; }
.role-bottom small { margin-top: 11px; color: var(--ink-soft); font-size: 10px; line-height: 1.55; }
.role-card:hover .role-bottom small { color: rgba(255,255,255,.7); }
.roles-principle { display: grid; grid-template-columns: 1fr 1fr; margin: 58px var(--gutter) 0; }
.roles-principle p { margin: 0; padding: 30px 0; border-top: 1px solid var(--line); font-size: clamp(23px, 2.7vw, 42px); line-height: 1.12; letter-spacing: -.04em; }
.roles-principle p:last-child { color: var(--blue); text-align: right; }

.transition-section { padding-bottom: clamp(110px, 12vw, 180px); color: var(--white); background: var(--blue); }
.transition-heading .section-index span:first-child, .transition-heading .eyebrow { color: var(--cyan); }
.transition-heading .heading-aside { color: rgba(255,255,255,.7); }
.transition-lab { margin: 0 var(--gutter); border: 1px solid var(--line-inverse); }
.stage-line { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); padding: 0 26px; border-bottom: 1px solid var(--line-inverse); }
.stage-line::before { position: absolute; top: 39px; right: 8%; left: 8%; height: 1px; background: var(--line-inverse); content: ""; }
.stage-line button { position: relative; z-index: 1; display: grid; grid-template-columns: 22px 1fr; gap: 4px 8px; min-height: 112px; padding: 30px 16px 20px; color: rgba(255,255,255,.55); background: none; border: 0; text-align: left; cursor: pointer; }
.stage-line button:hover, .stage-line button[aria-selected="true"] { color: var(--white); }
.stage-dot { display: block; grid-row: 1 / 3; width: 15px; height: 15px; margin-top: 2px; border: 1px solid currentColor; border-radius: 50%; background: var(--blue); }
.stage-line button[aria-selected="true"] .stage-dot { background: var(--cyan); border-color: var(--cyan); box-shadow: 0 0 0 6px rgba(40,255,255,.13); }
.stage-line small { font: 500 8px var(--data); }
.stage-line strong { font-size: 11px; font-weight: 500; line-height: 1.35; }
.stage-detail { display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(50px, 8vw, 130px); min-height: 360px; padding: clamp(44px, 6vw, 88px); }
.stage-heading > span, .stage-heading > small { font: 500 9px var(--data); letter-spacing: .1em; text-transform: uppercase; }
.stage-heading > span { color: var(--cyan); }
.stage-heading > small { margin-left: 18px; opacity: .6; }
.stage-heading h3 { max-width: 700px; margin: 48px 0 0; font-size: clamp(40px, 5vw, 76px); font-weight: 300; line-height: .98; letter-spacing: -.055em; }
.stage-copy { align-self: end; }
.stage-copy p { margin: 0; color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.75; }
.stage-copy strong, .stage-copy span { display: block; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line-inverse); font-size: 11px; line-height: 1.5; }
.stage-copy strong { font-weight: 500; }
.stage-copy span { color: var(--cyan); font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.transfer-test { display: grid; grid-template-columns: 1.25fr .75fr; gap: 80px; margin: 72px var(--gutter) 0; padding-top: 34px; border-top: 1px solid var(--line-inverse); }
.transfer-test .eyebrow { color: var(--cyan); }
.transfer-test h3 { max-width: 900px; margin: 0; font-size: clamp(30px, 3.6vw, 58px); font-weight: 300; line-height: 1.04; letter-spacing: -.05em; }
.transfer-test > p { align-self: end; margin: 0; color: rgba(255,255,255,.7); font-size: 13px; line-height: 1.7; }

.protocol-section { display: grid; grid-template-columns: .7fr 1.3fr; gap: clamp(60px, 9vw, 140px); padding: clamp(110px, 12vw, 180px) var(--gutter); background: var(--white); }
.protocol-intro { position: sticky; top: 120px; align-self: start; }
.protocol-intro h2 { font-size: clamp(44px, 4.4vw, 70px); }
.protocol-intro > p:last-child { max-width: 520px; margin: 32px 0 0; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }
.protocol-grid { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.protocol-grid li { display: grid; grid-template-columns: 52px minmax(170px, .72fr) 1fr; gap: 24px; min-height: 136px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.protocol-grid li > span { color: var(--blue); font: 500 9px var(--data); }
.protocol-grid strong { font-size: 19px; font-weight: 500; letter-spacing: -.025em; }
.protocol-grid p { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.7; }

.conversation-section { display: grid; grid-template-columns: 1.08fr .92fr; min-height: 700px; color: var(--white); background: var(--navy); overflow: hidden; }
.conversation-copy { align-self: center; padding: clamp(80px, 9vw, 140px) var(--gutter); }
.conversation-copy .eyebrow { color: var(--cyan); }
.conversation-copy > p:not(.eyebrow) { max-width: 700px; margin: 34px 0 40px; color: rgba(255,255,255,.72); font-size: 15px; line-height: 1.75; }
.conversation-orbit { position: relative; min-height: 650px; border-left: 1px solid var(--line-inverse); }
.conversation-orbit::before { position: absolute; inset: 0; opacity: .1; background-image: linear-gradient(rgba(255,255,255,.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.2) 1px, transparent 1px); background-size: 72px 72px; content: ""; }
.conversation-core { position: absolute; z-index: 2; top: 50%; left: 50%; display: grid; place-items: center; width: 160px; aspect-ratio: 1; border-radius: 50%; color: var(--navy); background: radial-gradient(circle at 34% 28%, var(--white), var(--cyan) 34%, var(--blue)); font-size: 16px; font-weight: 500; transform: translate(-50%, -50%); }
.conversation-ring { position: absolute; top: 50%; left: 50%; display: block; border: 1px solid rgba(255,255,255,.36); border-radius: 50%; transform: translate(-50%, -50%) rotate(-18deg); }
.ring-one { width: 390px; height: 250px; }
.ring-two { width: 610px; height: 420px; border-color: rgba(40,255,255,.25); transform: translate(-50%, -50%) rotate(32deg); }
.conversation-planet { position: absolute; display: block; width: 17px; aspect-ratio: 1; border-radius: 50%; }
.planet-one { top: 27%; left: 24%; background: var(--cyan); }
.planet-two { top: 23%; right: 18%; background: var(--green); }
.planet-three { right: 25%; bottom: 21%; background: var(--pink); }

.sources-section { padding-bottom: clamp(100px, 11vw, 160px); background: var(--white); }
.source-list { margin: 0 var(--gutter); border-top: 1px solid var(--line); }
.source-link { display: grid; grid-template-columns: 58px 1fr auto; gap: 24px; align-items: start; min-height: 124px; padding: 25px 0; border-bottom: 1px solid var(--line); text-decoration: none; transition: padding 180ms ease, background 180ms ease; }
.source-link:hover { padding-right: 16px; padding-left: 16px; background: var(--offwhite); }
.source-link > span { color: var(--blue); font: 500 9px var(--data); }
.source-link small { display: block; margin-bottom: 8px; color: var(--blue); font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }
.source-link strong { display: block; font-size: 17px; font-weight: 500; letter-spacing: -.025em; }
.source-link p { max-width: 760px; margin: 8px 0 0; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }
.source-link b { font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }

.theses-section { display: grid; grid-template-columns: .65fr 1.35fr; gap: 80px; padding: clamp(100px, 11vw, 160px) var(--gutter); color: var(--white); background: var(--blue); }
.theses-section h2 { font-size: clamp(42px, 4.5vw, 70px); }
.theses-section .eyebrow { color: var(--cyan); }
.theses-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line-inverse); border-left: 1px solid var(--line-inverse); }
.theses-grid > * { display: flex; flex-direction: column; min-height: 270px; padding: 24px; border-right: 1px solid var(--line-inverse); border-bottom: 1px solid var(--line-inverse); text-decoration: none; }
.theses-grid a { transition: color 160ms ease, background 160ms ease; }
.theses-grid a:hover { color: var(--blue); background: var(--white); }
.theses-grid span { font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; opacity: .7; }
.theses-grid strong { margin-top: auto; font-size: 22px; font-weight: 500; letter-spacing: -.035em; }
.theses-grid small { margin-top: 10px; font-size: 10px; line-height: 1.45; opacity: .7; }

.site-footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 30px; align-items: center; min-height: 112px; padding: 24px var(--gutter); color: var(--white); background: var(--navy-deep); border-top: 1px solid var(--line-inverse); }
.site-footer img { display: block; width: 116px; }
.site-footer p { margin: 0; font-size: 12px; }
.site-footer > a:last-child { justify-self: end; font: 500 9px var(--data); letter-spacing: .08em; text-transform: uppercase; }

@media (max-width: 1180px) {
  .site-header { grid-template-columns: 1fr auto; }
  .main-nav { display: none; }
  .hero { grid-template-columns: 1fr 450px; }
  .hero-copy { padding-bottom: 240px; }
  .proof-purpose { left: 5%; }
  .proof-capability { right: 3%; }
  .proof-evidence { right: 5%; }
  .section-heading { grid-template-columns: 120px 1fr; }
  .heading-aside { grid-column: 2; margin-top: 0; }
  .role-map { grid-template-columns: repeat(2, 1fr); }
  .protocol-section, .theses-section { grid-template-columns: 1fr; }
  .protocol-intro { position: static; }
  .theses-grid { max-width: 900px; }
}

@media (max-width: 900px) {
  .hero { display: block; }
  .hero-copy { min-height: 660px; padding-bottom: 120px; }
  .proof-system { min-height: 620px; border-top: 1px solid var(--line); border-left: 0; }
  .proof-orbit-a { width: 70vw; height: 46vw; }
  .proof-orbit-b { width: 92vw; height: 65vw; }
  .hero-metrics { position: static; grid-template-columns: repeat(3, 1fr); }
  .hero-metrics a { min-height: 136px; }
  .thesis-section { grid-template-columns: 1fr; }
  .thesis-statement, .thesis-contrast, .founder-note { grid-column: 1; }
  .thesis-contrast { grid-template-columns: 1fr; }
  .contrast-vector { min-height: 70px; }
  .contrast-vector { transform: rotate(90deg); }
  .criteria-lab { grid-template-columns: 1fr; }
  .criteria-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-right: 0; border-bottom: 1px solid var(--line-inverse); }
  .criteria-tabs button { min-height: 108px; border-right: 1px solid var(--line-inverse); border-bottom: 0; }
  .criteria-equation { grid-template-columns: repeat(4, 1fr); }
  .criteria-equation > b { display: none; }
  .criteria-equation > div { padding: 26px 18px; }
  .stage-line { overflow-x: auto; grid-template-columns: repeat(5, minmax(150px, 1fr)); }
  .stage-line::before { display: none; }
  .stage-detail, .transfer-test { grid-template-columns: 1fr; }
  .conversation-section { grid-template-columns: 1fr; }
  .conversation-orbit { min-height: 560px; border-top: 1px solid var(--line-inverse); border-left: 0; }
}

@media (max-width: 680px) {
  :root { --gutter: 20px; }
  .site-header { min-height: 68px; }
  .brand img { width: 96px; }
  .brand strong { display: none; }
  .header-cta { font-size: 8px; }
  .hero-copy { min-height: 610px; padding-top: 72px; padding-bottom: 92px; }
  .kicker { display: block; margin-bottom: 60px; }
  .kicker span { display: block; }
  .kicker span:last-child { margin-top: 8px; }
  .hero h1 { font-size: clamp(50px, 16vw, 72px); }
  .hero-lede { margin-top: 30px; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .proof-system { min-height: 560px; }
  .proof-input { min-width: 146px; padding: 11px; }
  .proof-purpose { top: 11%; }
  .proof-capability { top: 21%; right: 4%; }
  .proof-evidence { right: 8%; bottom: 13%; }
  .proof-gate { width: 176px; }
  .proof-note { left: 20px; }
  .hero-metrics { grid-template-columns: 1fr; }
  .hero-metrics a { min-height: auto; border-bottom: 1px solid var(--line); }
  .section-heading { grid-template-columns: 1fr; gap: 28px; padding-top: 90px; }
  .heading-aside { grid-column: 1; }
  .thesis-section { padding-top: 90px; padding-bottom: 100px; }
  .thesis-contrast { margin-top: 56px; }
  .criteria-tabs { display: block; }
  .criteria-tabs button { min-height: 86px; border-right: 0; border-bottom: 1px solid var(--line-inverse); }
  .criterion-panel { grid-template-columns: 1fr; padding: 34px 24px; }
  .criterion-risk { grid-column: 1; grid-template-columns: 1fr; gap: 9px; }
  .criteria-equation { grid-template-columns: 1fr 1fr; }
  .criteria-equation > div { min-height: 120px; border-bottom: 1px solid var(--line-inverse); }
  .role-map { grid-template-columns: 1fr; }
  .role-card { min-height: 380px; }
  .roles-principle { grid-template-columns: 1fr; }
  .roles-principle p:last-child { text-align: left; }
  .stage-detail { padding: 36px 22px; }
  .stage-heading > small { display: block; margin: 10px 0 0; }
  .transfer-test { gap: 30px; }
  .protocol-grid li { grid-template-columns: 34px 1fr; }
  .protocol-grid p { grid-column: 2; }
  .conversation-orbit { min-height: 430px; }
  .ring-one { width: 280px; height: 180px; }
  .ring-two { width: 410px; height: 280px; }
  .source-link { grid-template-columns: 34px 1fr; }
  .source-link b { display: none; }
  .theses-grid { grid-template-columns: 1fr; }
  .theses-grid > * { min-height: 190px; }
  .site-footer { grid-template-columns: 1fr 1fr; }
  .site-footer p { display: none; }
}

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

@media print {
  .site-header, .hero-actions, .criteria-tabs, .stage-line, .conversation-section, .site-footer { display: none !important; }
  .hero { display: block; min-height: auto; }
  .hero-copy, .proof-system, .thesis-section, .criteria-section, .roles-section, .transition-section, .protocol-section, .sources-section { break-inside: avoid; }
  .proof-system { min-height: 560px; }
  .criterion-panel, .stage-detail { display: block; }
}