:root {
  --ink: #11183f;
  --blue: #5870ff;
  --paper: #f6f7ff;
  --white: #ffffff;
  --acid: #c9ff65;
  --line-dark: rgba(17, 24, 63, 0.18);
  --line-light: rgba(255, 255, 255, 0.18);
  --page: min(100% - 64px, 1440px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--blue);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-weight: 400;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  padding: 10px 16px;
  background: var(--acid);
  color: var(--ink);
  transform: translateY(-160%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-width {
  width: var(--page);
  margin-inline: auto;
}

.section-light {
  background: var(--paper);
  color: var(--ink);
}

.section-dark {
  background: var(--blue);
  color: var(--white);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 82px;
  padding-inline: max(32px, calc((100vw - 1440px) / 2));
  color: var(--white);
  border-bottom: 1px solid transparent;
  transition:
    height 300ms var(--ease),
    background-color 300ms ease,
    color 300ms ease,
    border-color 300ms ease;
}

.site-header.is-scrolled {
  height: 66px;
  color: var(--ink);
  background: rgba(246, 247, 255, 0.92);
  border-color: rgba(17, 24, 63, 0.1);
  backdrop-filter: blur(18px);
}

.brand {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.brand-mark {
  position: relative;
  display: inline-grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.brand-mark::before,
.brand-mark::after,
.brand-mark span {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 3px;
  height: 3px;
  background: currentColor;
  border-radius: 50%;
}

.brand-mark::before {
  transform: translate(-8px, -3px);
}

.brand-mark::after {
  transform: translate(5px, -7px);
}

.brand-mark span {
  transform: translate(0, 4px);
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 34px;
  font-family: "DM Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.desktop-nav > a:not(.nav-contact) {
  position: relative;
  padding-block: 10px;
}

.desktop-nav > a:not(.nav-contact)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 6px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 260ms var(--ease);
}

.desktop-nav > a:not(.nav-contact):hover::after,
.desktop-nav > a:not(.nav-contact):focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-contact {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  min-width: 154px;
  padding: 11px 14px;
  border: 1px solid currentColor;
  border-radius: 999px;
  transition:
    background-color 200ms ease,
    color 200ms ease;
}

.nav-contact:hover,
.nav-contact:focus-visible {
  background: var(--white);
  color: var(--ink);
}

.is-scrolled .nav-contact:hover,
.is-scrolled .nav-contact:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.menu-toggle,
.mobile-menu {
  display: none;
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: var(--blue);
  color: var(--white);
  isolation: isolate;
}

.hero-glow,
.hero-grid {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.hero-glow {
  z-index: -3;
  background:
    radial-gradient(circle at 68% 48%, rgba(201, 255, 101, 0.16), transparent 24%),
    radial-gradient(circle at 72% 50%, rgba(255, 255, 255, 0.12), transparent 44%);
  filter: blur(8px);
}

.hero-grid {
  z-index: -1;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 84px 84px;
  mask-image: linear-gradient(to right, transparent 0%, transparent 37%, black 76%, transparent 100%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  min-height: 100svh;
  padding-top: clamp(126px, 16vh, 184px);
  padding-bottom: 64px;
  display: flex;
  flex-direction: column;
}

.eyebrow,
.section-label,
.loop-kicker,
.hero-index,
.result-card-top {
  font-family: "DM Mono", monospace;
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.16em;
  line-height: 1.35;
  text-transform: uppercase;
}

.hero-eyebrow {
  margin: 0 0 24px;
  padding-left: 18px;
  color: rgba(251, 250, 246, 0.72);
  border-left: 1px solid var(--acid);
}

.hero-title {
  position: relative;
  z-index: 2;
  max-width: 1180px;
  margin: 0;
  font-size: clamp(58px, 8.6vw, 136px);
  font-weight: 300;
  letter-spacing: -0.075em;
  line-height: 0.96;
}

.hero-title span {
  display: block;
}

.hero-title span:last-child {
  margin-left: clamp(0px, 8vw, 120px);
}

.hero-title em {
  position: relative;
  color: var(--acid);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  letter-spacing: -0.055em;
}

.hero-dogma {
  position: relative;
  z-index: 1;
  flex: 1 1 280px;
  width: min(72vw, 1040px);
  min-height: clamp(250px, 32vh, 390px);
  max-height: 430px;
  margin: clamp(24px, 3.5vh, 46px) 0 0 auto;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(90deg, rgba(88, 112, 255, 0), rgba(255, 255, 255, 0.025));
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 100%);
  mask-image: linear-gradient(90deg, transparent, black 10%, black 100%);
}

.hero-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0.98;
  pointer-events: none;
}

.hero-dogma-meta {
  position: absolute;
  inset: 14px 16px auto;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  color: rgba(255, 255, 255, 0.56);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.hero-dogma-meta span:last-child {
  color: var(--acid);
}

.hero-footer {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: minmax(280px, 440px) auto;
  align-items: end;
  justify-content: space-between;
  gap: 64px;
  margin-top: 0;
  padding-top: clamp(34px, 5vh, 62px);
}

.hero-copy {
  margin: 0;
  color: rgba(251, 250, 246, 0.72);
  font-size: clamp(15px, 1.1vw, 18px);
  line-height: 1.65;
}

.hero-actions,
.science-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  min-width: 222px;
  padding: 15px 18px 15px 20px;
  border: 1px solid;
  border-radius: 999px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition:
    color 240ms ease,
    background-color 240ms ease,
    transform 240ms var(--ease);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-light {
  border-color: rgba(251, 250, 246, 0.55);
  color: var(--white);
}

.button-light:hover,
.button-light:focus-visible {
  background: var(--acid);
  border-color: var(--acid);
  color: var(--ink);
}

.button-dark {
  border-color: var(--ink);
  color: var(--ink);
}

.button-dark:hover,
.button-dark:focus-visible {
  background: var(--ink);
  color: var(--white);
}

.section-dark .button-dark {
  border-color: var(--white);
  color: var(--white);
}

.section-dark .button-dark:hover,
.section-dark .button-dark:focus-visible {
  background: var(--white);
  color: var(--ink);
}

.button-arrow {
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid currentColor;
  border-radius: 50%;
}

.text-link {
  position: relative;
  padding-block: 6px;
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.text-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 1px;
  background: currentColor;
  transform-origin: left;
  transition: transform 220ms var(--ease);
}

.text-link:hover::after,
.text-link:focus-visible::after {
  transform: scaleX(0.35);
}

.text-link-light {
  color: var(--white);
}

.hero-index {
  position: absolute;
  left: 32px;
  bottom: 22px;
  z-index: 2;
  display: flex;
  gap: 38px;
  color: rgba(251, 250, 246, 0.4);
  transform: rotate(-90deg) translateX(100%);
  transform-origin: left bottom;
}

.manifesto {
  padding: clamp(100px, 14vw, 220px) 0;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: minmax(150px, 0.75fr) 3.25fr;
  gap: clamp(40px, 7vw, 110px);
}

.section-label {
  display: flex;
  gap: 16px;
  padding-top: 10px;
  color: rgba(11, 13, 11, 0.58);
}

.section-label span:first-child {
  color: var(--ink);
}

.section-label-dark {
  color: rgba(251, 250, 246, 0.46);
}

.section-label-dark span:first-child {
  color: var(--acid);
}

.display-copy {
  max-width: 1120px;
  margin: 0;
  font-size: clamp(46px, 6.7vw, 104px);
  font-weight: 300;
  letter-spacing: -0.068em;
  line-height: 0.98;
}

.display-copy span {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  font-style: italic;
}

.manifesto-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(30px, 7vw, 108px);
  max-width: 890px;
  margin-top: clamp(68px, 8vw, 120px);
  margin-left: auto;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
}

.manifesto-notes p {
  margin: 0;
  color: rgba(11, 13, 11, 0.68);
  font-size: 15px;
  line-height: 1.75;
}

.engine {
  position: relative;
  padding: clamp(100px, 12vw, 180px) 0;
  overflow: hidden;
}

.engine::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.42;
  pointer-events: none;
  background:
    radial-gradient(circle at 23% 67%, rgba(201, 255, 101, 0.12), transparent 25%),
    radial-gradient(circle at 90% 20%, rgba(255, 255, 255, 0.1), transparent 30%);
}

.section-heading {
  position: relative;
  display: grid;
  grid-template-columns: minmax(160px, 1fr) minmax(430px, 2.2fr) minmax(240px, 0.9fr);
  align-items: end;
  gap: 40px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(55px, 7.8vw, 112px);
  font-weight: 300;
  letter-spacing: -0.075em;
  line-height: 0.95;
}

.section-heading > p {
  margin: 0;
  color: rgba(251, 250, 246, 0.56);
  font-size: 15px;
  line-height: 1.7;
}

.engine-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(420px, 1.45fr) minmax(420px, 1fr);
  min-height: 690px;
  margin-top: 100px;
  border: 1px solid var(--line-light);
  background: rgba(255, 255, 255, 0.015);
}

.engine-visual {
  position: relative;
  overflow: hidden;
  min-height: 610px;
  border-right: 1px solid var(--line-light);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
}

.engine-visual::after {
  content: "REASONING FIELD / ACTIVE";
  position: absolute;
  left: 24px;
  bottom: 20px;
  color: rgba(251, 250, 246, 0.34);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.14em;
}

.reasoning-core {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 38% 32%, rgba(255, 255, 255, 0.92), transparent 4%),
    radial-gradient(circle at 43% 42%, #efffcf 0%, #c9ff65 28%, #8aa4ff 60%, #263aa8 100%);
  box-shadow:
    0 0 70px rgba(202, 255, 116, 0.22),
    inset -28px -25px 50px rgba(0, 0, 0, 0.48);
  transform: translate(-50%, -50%);
  transition:
    width 700ms var(--ease),
    height 700ms var(--ease),
    filter 700ms ease;
}

.core-ring {
  position: absolute;
  inset: -62px;
  border: 1px solid rgba(202, 255, 116, 0.42);
  border-radius: 50%;
  animation: pulse-ring 5s ease-in-out infinite;
}

.core-ring-two {
  inset: -132px;
  border-color: rgba(255, 255, 255, 0.12);
  animation-delay: -2.5s;
}

.core-label {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(11, 13, 11, 0.78);
  font-family: Georgia, serif;
  font-size: 72px;
  font-style: italic;
}

.orbital {
  position: absolute;
  left: 50%;
  top: 50%;
  border: 1px dashed rgba(255, 255, 255, 0.17);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(-23deg);
}

.orbital-one {
  width: 510px;
  height: 270px;
}

.orbital-two {
  width: 300px;
  height: 570px;
  transform: translate(-50%, -50%) rotate(34deg);
}

.anchor {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(251, 250, 246, 0.54);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  font-weight: 400;
  letter-spacing: 0.08em;
  transition:
    color 450ms ease,
    transform 700ms var(--ease);
}

.anchor i {
  width: 7px;
  height: 7px;
  background: var(--acid);
  border: 1px solid var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(202, 255, 116, 0.08);
}

.anchor b {
  font-weight: 400;
}

.anchor-a {
  left: 15%;
  top: 31%;
}

.anchor-b {
  right: 13%;
  top: 23%;
}

.anchor-c {
  left: 21%;
  bottom: 24%;
}

.anchor-d {
  right: 16%;
  bottom: 29%;
}

.engine-stage[data-active="1"] .reasoning-core {
  width: 194px;
  height: 194px;
}

.engine-stage[data-active="1"] .anchor {
  color: var(--white);
  transform: scale(1.08);
}

.engine-stage[data-active="2"] .reasoning-core {
  filter: hue-rotate(42deg);
}

.engine-stage[data-active="2"] .orbital-one {
  animation: orbit-one 8s linear infinite;
}

.engine-stage[data-active="2"] .orbital-two {
  animation: orbit-two 11s linear infinite reverse;
}

.engine-stage[data-active="3"] .core-ring,
.engine-stage[data-active="3"] .anchor i {
  border-color: var(--acid);
  box-shadow: 0 0 0 7px rgba(189, 175, 231, 0.1);
}

.engine-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.engine-step {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 12px;
  min-height: 25%;
  padding: 31px 32px;
  color: rgba(251, 250, 246, 0.34);
  border-bottom: 1px solid var(--line-light);
  cursor: default;
  transition:
    color 420ms ease,
    background-color 420ms ease;
}

.engine-step:last-child {
  border-bottom: 0;
}

.engine-step.is-active {
  color: var(--white);
  background: rgba(255, 255, 255, 0.035);
}

.step-number {
  padding-top: 6px;
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.engine-step h3 {
  margin: 0;
  font-size: clamp(26px, 2.3vw, 38px);
  font-weight: 300;
  letter-spacing: -0.045em;
}

.engine-step p {
  max-width: 330px;
  margin: 9px 0 0;
  color: inherit;
  font-size: 13px;
  line-height: 1.65;
}

.inside-loop {
  padding: clamp(100px, 12vw, 190px) 0;
  overflow: hidden;
  background: var(--blue);
  color: var(--white);
}

.inside-loop-copy h2 {
  max-width: 1080px;
  margin: 90px 0 0;
  font-size: clamp(56px, 8vw, 122px);
  font-weight: 300;
  letter-spacing: -0.075em;
  line-height: 0.98;
}

.inside-loop-copy h2 em {
  color: var(--acid);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.inside-loop-copy > p {
  max-width: 600px;
  margin: 54px 0 0 auto;
  color: rgba(251, 250, 246, 0.63);
  font-size: 16px;
  line-height: 1.75;
}

.loop-diagram {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 88px 1fr 88px 1fr;
  min-height: 300px;
  margin-top: 110px;
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.loop-cell {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  padding: 26px 24px 34px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.loop-cell strong {
  max-width: 280px;
  font-size: clamp(21px, 2vw, 30px);
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.loop-kicker {
  color: rgba(251, 250, 246, 0.38);
}

.sequence {
  color: var(--acid);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.loop-connector {
  position: relative;
  display: grid;
  place-items: center;
  border-inline: 1px solid var(--line-light);
}

.loop-connector span {
  width: 32px;
  height: 1px;
  background: rgba(251, 250, 246, 0.45);
}

.loop-connector span::after {
  content: "";
  display: block;
  width: 6px;
  height: 6px;
  margin-left: auto;
  border-top: 1px solid rgba(251, 250, 246, 0.45);
  border-right: 1px solid rgba(251, 250, 246, 0.45);
  transform: translateY(-3px) rotate(45deg);
}

.commitments {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 9px;
}

.commitments i {
  display: block;
  width: 7px;
  height: 7px;
  background: rgba(251, 250, 246, 0.2);
  border-radius: 50%;
}

.commitments i:nth-child(3),
.commitments i:nth-child(6),
.commitments i:nth-child(9) {
  width: 12px;
  height: 12px;
  background: var(--acid);
  box-shadow: 0 0 0 5px rgba(202, 255, 116, 0.09);
}

.mini-molecule {
  position: relative;
  height: 56px;
}

.mini-molecule span {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 20px rgba(189, 175, 231, 0.32);
}

.mini-molecule span::after {
  content: "";
  position: absolute;
  left: 8px;
  top: 5px;
  width: 46px;
  height: 1px;
  background: rgba(189, 175, 231, 0.5);
  transform-origin: left center;
}

.mini-molecule span:nth-child(1) { left: 0; top: 28px; }
.mini-molecule span:nth-child(1)::after { transform: rotate(-26deg); }
.mini-molecule span:nth-child(2) { left: 47px; top: 7px; }
.mini-molecule span:nth-child(2)::after { transform: rotate(29deg); }
.mini-molecule span:nth-child(3) { left: 93px; top: 29px; }
.mini-molecule span:nth-child(3)::after { transform: rotate(-14deg); }
.mini-molecule span:nth-child(4) { left: 140px; top: 17px; }
.mini-molecule span:nth-child(4)::after { transform: rotate(21deg); }
.mini-molecule span:nth-child(5) { left: 188px; top: 34px; }
.mini-molecule span:nth-child(5)::after { transform: rotate(-22deg); }
.mini-molecule span:nth-child(6) { left: 235px; top: 16px; }
.mini-molecule span:nth-child(6)::after { display: none; }

.loop-feedback {
  position: absolute;
  left: 31%;
  right: 4%;
  bottom: -58px;
  height: 42px;
  border-right: 1px solid rgba(202, 255, 116, 0.55);
  border-bottom: 1px solid rgba(202, 255, 116, 0.55);
  border-left: 1px solid rgba(202, 255, 116, 0.55);
}

.loop-feedback::before,
.loop-feedback::after {
  content: "";
  position: absolute;
}

.loop-feedback::before {
  left: -4px;
  top: -1px;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--acid);
  border-left: 1px solid var(--acid);
  transform: rotate(45deg);
}

.loop-feedback span {
  position: absolute;
  left: 50%;
  bottom: -7px;
  padding: 0 10px;
  background: var(--blue);
  color: var(--acid);
  font-family: "DM Mono", monospace;
  font-size: 8px;
  letter-spacing: 0.15em;
  transform: translateX(-50%);
}

.science {
  padding: clamp(110px, 14vw, 210px) 0;
}

.science-grid {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(520px, 1.1fr);
  gap: clamp(70px, 10vw, 160px);
  align-items: start;
}

.science-intro h2 {
  max-width: 620px;
  margin: 70px 0 0;
  font-size: clamp(50px, 6.8vw, 98px);
  font-weight: 300;
  letter-spacing: -0.07em;
  line-height: 0.97;
}

.science-intro > p {
  max-width: 560px;
  margin: 42px 0 0;
  color: rgba(11, 13, 11, 0.67);
  font-size: 15px;
  line-height: 1.75;
}

.science-links {
  margin-top: 44px;
}

.result-card {
  position: sticky;
  top: 110px;
  min-height: 650px;
  padding: 26px 28px 32px;
  overflow: hidden;
  background: var(--blue);
  color: var(--white);
}

.result-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at 72% 37%, black, transparent 62%);
}

.result-card-top,
.result-number,
.comparison,
.result-note {
  position: relative;
  z-index: 1;
}

.result-card-top {
  display: flex;
  justify-content: space-between;
  color: rgba(251, 250, 246, 0.48);
}

.result-number {
  display: flex;
  flex-direction: column;
  margin-top: 92px;
}

.result-number strong {
  color: var(--acid);
  font-size: clamp(86px, 10vw, 154px);
  font-weight: 300;
  letter-spacing: -0.09em;
  line-height: 0.84;
}

.result-number > span {
  max-width: 260px;
  margin-top: 24px;
  color: rgba(251, 250, 246, 0.66);
  font-size: 13px;
  line-height: 1.5;
}

.comparison {
  display: grid;
  gap: 22px;
  margin-top: 72px;
}

.comparison-row > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 9px;
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.comparison-row b {
  font-weight: 400;
}

.comparison-muted {
  color: rgba(251, 250, 246, 0.38);
}

.bar {
  display: block;
  height: 3px;
  background: rgba(255, 255, 255, 0.1);
}

.bar i {
  display: block;
  width: var(--score);
  height: 100%;
  background: var(--acid);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.2s var(--ease) 250ms;
}

.comparison-muted .bar i {
  background: rgba(251, 250, 246, 0.34);
}

.result-card.is-visible .bar i {
  transform: scaleX(1);
}

.result-note {
  max-width: 560px;
  margin: 52px 0 0;
  color: rgba(251, 250, 246, 0.35);
  font-size: 10px;
  line-height: 1.6;
}

.collaboration {
  padding: clamp(110px, 14vw, 210px) 0;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
}

.collaboration-intro {
  display: grid;
  grid-template-columns: minmax(170px, 0.7fr) minmax(560px, 2.3fr);
  gap: clamp(50px, 9vw, 145px);
}

.collaboration-heading {
  max-width: 1020px;
}

.collaboration-partners {
  margin: 5px 0 46px;
  color: rgba(11, 13, 11, 0.58);
  font-family: "DM Mono", monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.collaboration-heading h2 {
  max-width: 930px;
  margin: 0;
  font-size: clamp(52px, 7.2vw, 106px);
  font-weight: 300;
  letter-spacing: -0.073em;
  line-height: 0.98;
}

.collaboration-heading > p:last-child {
  max-width: 640px;
  margin: 52px 0 0 auto;
  color: rgba(11, 13, 11, 0.68);
  font-size: 15px;
  line-height: 1.76;
}

.collaboration-media {
  margin: clamp(76px, 9vw, 132px) 0 0;
  border: 1px solid rgba(11, 13, 11, 0.2);
  background: var(--paper);
}

.collaboration-media video {
  display: block;
  width: 100%;
  aspect-ratio: 1200 / 512;
  background: var(--paper);
  object-fit: cover;
}

.collaboration-media figcaption {
  display: grid;
  grid-template-columns: 1fr minmax(310px, 0.7fr);
  gap: 50px;
  padding: 28px 30px 31px;
  background: var(--blue);
  color: var(--white);
}

.collaboration-media figcaption > div {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.collaboration-media figcaption span,
.collaboration-facts span {
  color: rgba(251, 250, 246, 0.43);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.collaboration-media figcaption strong {
  font-size: clamp(21px, 2.1vw, 30px);
  font-weight: 300;
  letter-spacing: -0.035em;
}

.collaboration-media figcaption p {
  margin: 0;
  align-self: end;
  color: rgba(251, 250, 246, 0.46);
  font-size: 10px;
  line-height: 1.65;
}

.collaboration-facts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 24px;
  border-top: 1px solid rgba(11, 13, 11, 0.22);
  border-bottom: 1px solid rgba(11, 13, 11, 0.22);
}

.collaboration-facts > div {
  display: flex;
  min-height: 126px;
  padding: 24px 26px;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid rgba(11, 13, 11, 0.22);
}

.collaboration-facts > div:last-child {
  border-right: 0;
}

.collaboration-facts span {
  color: rgba(11, 13, 11, 0.46);
}

.collaboration-facts strong {
  font-size: 15px;
  font-weight: 400;
}

.verification {
  position: relative;
  min-height: 94svh;
  overflow: hidden;
  background: var(--blue);
  color: var(--white);
}

.verification-field,
.verification-field::before,
.verification-field::after {
  position: absolute;
  inset: 0;
}

.verification-field::before {
  content: "";
  opacity: 0.6;
  background:
    linear-gradient(rgba(255, 255, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.12) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at 72% 47%, black, transparent 47%);
}

.verification-field::after {
  content: "";
  left: auto;
  right: 5%;
  top: 50%;
  width: min(49vw, 700px);
  height: min(49vw, 700px);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  transform: translateY(-50%);
}

.verification-field > span {
  position: absolute;
  z-index: 1;
  display: block;
  width: 18px;
  height: 18px;
  background: var(--acid);
  border-radius: 50%;
  box-shadow: 0 0 0 12px rgba(201, 255, 101, 0.13);
}

.vf-one { right: 22%; top: 28%; }
.vf-two { right: 42%; top: 56%; }
.vf-three { right: 13%; bottom: 22%; }

.verification-content {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 94svh;
  flex-direction: column;
  justify-content: center;
  padding-block: 100px;
}

.verification .section-label-dark {
  color: rgba(255, 255, 255, 0.62);
}

.verification .section-label-dark span:first-child {
  color: var(--acid);
}

.verification h2 {
  max-width: 900px;
  margin: 92px 0 0;
  font-size: clamp(65px, 10vw, 156px);
  font-weight: 300;
  letter-spacing: -0.082em;
  line-height: 0.92;
}

.verification-content > p {
  max-width: 570px;
  margin: 56px 0 0;
  font-size: 16px;
  line-height: 1.75;
}

.verification-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 54px;
}

.verification-list span {
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 999px;
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.company {
  padding: clamp(110px, 14vw, 210px) 0;
}

.company-grid {
  display: grid;
  grid-template-columns: minmax(450px, 1.2fr) minmax(360px, 0.8fr);
  gap: clamp(70px, 10vw, 160px);
}

.company h2 {
  max-width: 780px;
  margin: 86px 0 0;
  font-size: clamp(56px, 7.7vw, 112px);
  font-weight: 300;
  letter-spacing: -0.074em;
  line-height: 0.96;
}

.company-copy {
  align-self: end;
}

.company-copy > p {
  margin: 0;
  color: rgba(251, 250, 246, 0.62);
  font-size: 17px;
  line-height: 1.75;
}

.principles {
  margin-top: 70px;
  border-top: 1px solid var(--line-light);
}

.principles > div {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-light);
}

.principles span {
  color: var(--acid);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
}

.principles strong {
  font-size: 14px;
  font-weight: 400;
}

.join {
  padding: clamp(90px, 11vw, 155px) 0 78px;
  overflow: hidden;
  background: var(--paper);
  color: var(--ink);
}

.join .eyebrow {
  margin: 0;
}

.join h2 {
  margin: 68px 0 0;
  font-size: clamp(70px, 12.5vw, 190px);
  font-weight: 300;
  letter-spacing: -0.085em;
  line-height: 0.9;
}

.join-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 60px;
  margin-top: 108px;
  padding-top: 28px;
  border-top: 1px solid rgba(11, 13, 11, 0.3);
}

.join-footer p {
  max-width: 580px;
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
}

.site-footer {
  padding: 80px 0 28px;
  background: var(--blue);
  color: var(--white);
}

.footer-top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  min-height: 180px;
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line-light);
}

.footer-brand {
  font-size: clamp(34px, 5vw, 74px);
  font-weight: 300;
}

.footer-brand .brand-mark {
  width: 0.68em;
  height: 0.68em;
}

.footer-top p {
  margin: 0 0 10px;
  color: rgba(251, 250, 246, 0.5);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
  font-style: italic;
}

.footer-bottom {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 40px;
  padding-top: 26px;
  color: rgba(251, 250, 246, 0.43);
  font-family: "DM Mono", monospace;
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-bottom > div {
  display: flex;
  gap: 30px;
}

.footer-bottom > a {
  justify-self: end;
}

.footer-bottom a {
  transition: color 180ms ease;
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
  color: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 900ms var(--ease),
    transform 900ms var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse-ring {
  0%, 100% { opacity: 0.35; transform: scale(0.96); }
  50% { opacity: 0.9; transform: scale(1.04); }
}

@keyframes orbit-one {
  from { transform: translate(-50%, -50%) rotate(-23deg); }
  to { transform: translate(-50%, -50%) rotate(337deg); }
}

@keyframes orbit-two {
  from { transform: translate(-50%, -50%) rotate(34deg); }
  to { transform: translate(-50%, -50%) rotate(394deg); }
}

@media (max-width: 1080px) {
  :root {
    --page: min(100% - 48px, 1440px);
  }

  .hero-title {
    font-size: clamp(58px, 10vw, 108px);
  }

  .section-heading {
    grid-template-columns: 0.7fr 2fr;
  }

  .section-heading > p {
    grid-column: 2;
    max-width: 420px;
  }

  .engine-stage {
    grid-template-columns: minmax(360px, 1.2fr) minmax(340px, 1fr);
  }

  .loop-diagram {
    grid-template-columns: 1fr 54px 1fr 54px 1fr;
  }

  .science-grid {
    grid-template-columns: minmax(330px, 0.9fr) minmax(430px, 1.1fr);
    gap: 64px;
  }

  .collaboration-intro {
    grid-template-columns: minmax(150px, 0.6fr) minmax(500px, 2.4fr);
    gap: 58px;
  }

  .company-grid {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 70px;
  }
}

@media (max-width: 820px) {
  :root {
    --page: min(100% - 36px, 1440px);
  }

  .site-header {
    height: 68px;
    padding-inline: 18px;
  }

  .site-header.is-scrolled {
    height: 60px;
  }

  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: flex;
    width: 38px;
    height: 38px;
    padding: 0;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    background: transparent;
    border: 0;
    cursor: pointer;
  }

  .menu-toggle > span:not(.sr-only) {
    width: 22px;
    height: 1px;
    background: currentColor;
    transition: transform 240ms var(--ease);
  }

  .menu-toggle[aria-expanded="true"] > span:nth-child(2) {
    transform: translateY(3.5px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] > span:nth-child(3) {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    padding: 120px 24px 34px;
    flex-direction: column;
    justify-content: center;
    gap: 0;
    background: var(--blue);
    color: var(--white);
  }

  .mobile-menu[hidden] {
    display: none;
  }

  .mobile-menu a {
    padding: 16px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.28);
    font-size: clamp(38px, 12vw, 64px);
    font-weight: 300;
    letter-spacing: -0.06em;
    line-height: 1;
  }

  .mobile-menu a:last-child {
    margin-top: 44px;
    border-bottom: 0;
    font-family: "DM Mono", monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  .site-header.menu-active {
    color: var(--white);
  }

  .hero-inner {
    padding-top: 124px;
    padding-bottom: 48px;
  }

  .hero-title {
    font-size: clamp(54px, 14.2vw, 96px);
    line-height: 0.98;
  }

  .hero-title span:last-child {
    margin-left: 0;
  }

  .hero-dogma {
    flex-basis: 260px;
    width: 100%;
    min-height: 250px;
    margin-top: 32px;
    -webkit-mask-image: none;
    mask-image: none;
  }

  .hero-footer {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 32px;
    margin-top: auto;
  }

  .hero-copy {
    max-width: 500px;
  }

  .hero-index {
    display: none;
  }

  .manifesto-grid,
  .science-grid,
  .company-grid,
  .collaboration-intro {
    grid-template-columns: 1fr;
  }

  .manifesto-content {
    margin-top: 30px;
  }

  .manifesto-notes {
    margin-left: 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 42px;
  }

  .section-heading > p {
    grid-column: auto;
  }

  .engine-stage {
    grid-template-columns: 1fr;
    margin-top: 72px;
  }

  .engine-visual {
    min-height: 520px;
    border-right: 0;
    border-bottom: 1px solid var(--line-light);
  }

  .engine-step {
    min-height: 150px;
  }

  .loop-diagram {
    grid-template-columns: 1fr;
    margin-top: 80px;
    border: 1px solid var(--line-light);
  }

  .loop-cell {
    min-height: 230px;
  }

  .loop-connector {
    min-height: 56px;
    border-top: 1px solid var(--line-light);
    border-bottom: 1px solid var(--line-light);
    border-inline: 0;
  }

  .loop-connector span {
    transform: rotate(90deg);
  }

  .loop-feedback {
    display: none;
  }

  .science-grid {
    gap: 72px;
  }

  .collaboration-heading {
    margin-top: 20px;
  }

  .collaboration-heading > p:last-child {
    margin-left: 0;
  }

  .collaboration-media figcaption {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .collaboration-media figcaption p {
    align-self: auto;
  }

  .result-card {
    position: relative;
    top: auto;
    min-height: 620px;
  }

  .company-copy {
    margin-top: 10px;
  }

  .join-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-top {
    align-items: flex-start;
    flex-direction: column;
    gap: 34px;
  }

  .footer-bottom {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom > div {
    order: 3;
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .brand {
    font-size: 16px;
  }

  .hero {
    min-height: 760px;
  }

  .hero-inner {
    min-height: 900px;
  }

  .hero-eyebrow {
    margin-bottom: 20px;
  }

  .hero-title {
    font-size: clamp(48px, 15vw, 74px);
    letter-spacing: -0.07em;
  }

  .hero-actions,
  .science-links {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-footer {
    padding-top: 38px;
  }

  .hero-dogma {
    flex-basis: 235px;
    min-height: 235px;
    margin-top: 26px;
  }

  .hero-dogma-meta {
    inset: 12px 10px auto;
    font-size: 8px;
    letter-spacing: 0.1em;
  }

  .manifesto-notes {
    grid-template-columns: 1fr;
  }

  .display-copy {
    font-size: clamp(42px, 13vw, 64px);
  }

  .engine-stage {
    min-height: 0;
  }

  .engine-visual {
    min-height: 390px;
  }

  .reasoning-core {
    width: 114px;
    height: 114px;
  }

  .core-ring { inset: -40px; }
  .core-ring-two { inset: -83px; }
  .orbital-one { width: 310px; height: 180px; }
  .orbital-two { width: 190px; height: 350px; }
  .core-label { font-size: 50px; }
  .anchor { font-size: 8px; }
  .anchor-a { left: 7%; }
  .anchor-b { right: 5%; }
  .anchor-c { left: 10%; }
  .anchor-d { right: 8%; }

  .engine-step {
    grid-template-columns: 34px 1fr;
    min-height: 142px;
    padding: 26px 20px;
  }

  .inside-loop-copy h2 {
    margin-top: 68px;
  }

  .inside-loop-copy > p {
    margin-left: 0;
  }

  .result-card {
    min-height: 600px;
    padding-inline: 20px;
  }

  .collaboration-partners {
    margin-bottom: 32px;
  }

  .collaboration-media {
    margin-top: 64px;
  }

  .collaboration-media video {
    aspect-ratio: 4 / 3;
    object-fit: contain;
  }

  .collaboration-media figcaption {
    padding: 24px 20px 26px;
  }

  .collaboration-facts {
    grid-template-columns: 1fr;
  }

  .collaboration-facts > div {
    min-height: 104px;
    border-right: 0;
    border-bottom: 1px solid rgba(11, 13, 11, 0.22);
  }

  .collaboration-facts > div:last-child {
    border-bottom: 0;
  }

  .result-number strong {
    font-size: clamp(76px, 25vw, 118px);
  }

  .verification h2 {
    font-size: clamp(62px, 20vw, 105px);
  }

  .verification-field::after {
    right: -34%;
    width: 108vw;
    height: 108vw;
  }

  .company h2 {
    margin-top: 62px;
  }

  .join h2 {
    margin-top: 50px;
    font-size: clamp(64px, 22vw, 112px);
  }

  .join-footer {
    margin-top: 82px;
  }

  .button {
    width: 100%;
  }

  .footer-bottom {
    grid-template-columns: 1fr;
  }

  .footer-bottom > a {
    justify-self: start;
  }

  .footer-bottom > div {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}