:root {
  --ink: #101416;
  --paper: #f6f2e8;
  --mist: #e4e8df;
  --line: rgba(16, 20, 22, 0.14);
  --steel: #2b3b3d;
  --teal: #0a7773;
  --mint: #8fd9bd;
  --amber: #ffb14a;
  --coral: #df604d;
  --night: #081011;
  --white: #ffffff;
  --shadow: 0 20px 60px rgba(8, 16, 17, 0.14);
  color-scheme: light;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

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

button {
  font: inherit;
}

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(6, 13, 14, 0.82), rgba(6, 13, 14, 0.16));
  backdrop-filter: blur(12px);
}

.brand,
.hero-actions,
.proof-strip,
.join {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: 2px solid var(--mint);
  border-radius: 50%;
  background:
    radial-gradient(circle at 68% 36%, var(--amber) 0 10%, transparent 11%),
    radial-gradient(circle at 35% 66%, var(--coral) 0 9%, transparent 10%),
    linear-gradient(135deg, rgba(143, 217, 189, 0.3), rgba(255, 177, 74, 0.16));
  box-shadow: 0 0 22px rgba(143, 217, 189, 0.45);
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 28px);
  font-size: 0.92rem;
  font-weight: 700;
}

.nav-group {
  position: relative;
}

.nav-group > button {
  padding: 10px 0;
  border: 0;
  color: var(--white);
  background: transparent;
  cursor: pointer;
  font-weight: 800;
}

.nav-group > button::after {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-left: 8px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.primary-nav a,
.nav-group > button {
  opacity: 0.86;
}

.primary-nav a:hover,
.nav-group > button:hover,
.nav-group:focus-within > button {
  opacity: 1;
}

.mega-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  width: min(560px, calc(100vw - 40px));
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  background: rgba(8, 16, 17, 0.96);
  box-shadow: 0 24px 70px rgba(8, 16, 17, 0.28);
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-group:hover .mega-menu,
.nav-group:focus-within .mega-menu {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mega-menu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -14px;
  height: 14px;
}

.mega-menu a {
  display: block;
  padding: 16px;
  border-radius: 6px;
  color: var(--white);
}

.mega-menu a:hover {
  background: rgba(255, 255, 255, 0.08);
}

.mega-menu strong,
.mega-menu span {
  display: block;
}

.mega-menu strong {
  margin-bottom: 5px;
  color: var(--mint);
}

.mega-menu span {
  color: rgba(255, 255, 255, 0.66);
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.45;
}

.hero {
  position: relative;
  min-height: 96vh;
  display: grid;
  align-items: end;
  overflow: hidden;
  isolation: isolate;
  background: var(--night);
}

.hero-media,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-media {
  object-fit: cover;
  object-position: center;
  z-index: -3;
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 10, 10, 0.88) 0%, rgba(5, 10, 10, 0.55) 38%, rgba(5, 10, 10, 0.1) 76%),
    linear-gradient(180deg, rgba(5, 10, 10, 0.28) 0%, rgba(5, 10, 10, 0.06) 58%, var(--paper) 100%);
}

.hero-content {
  width: min(780px, 100%);
  padding: 132px clamp(20px, 6vw, 76px) 7vh;
  color: var(--white);
}

.countdown {
  position: absolute;
  top: 96px;
  right: clamp(20px, 6vw, 76px);
  z-index: 1;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 18px;
  width: min(480px, calc(100% - 40px));
  margin-bottom: 0;
  padding: 14px;
  border: 1px solid rgba(143, 217, 189, 0.34);
  border-radius: 8px;
  background: rgba(8, 16, 17, 0.58);
  box-shadow: 0 18px 48px rgba(8, 16, 17, 0.24);
  backdrop-filter: blur(16px);
}

.countdown-label {
  display: block;
  margin-bottom: 6px;
  color: var(--amber);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.countdown strong {
  display: block;
}

.countdown > div:first-child strong {
  max-width: 170px;
  font-size: clamp(1rem, 1.8vw, 1.25rem);
  line-height: 1.15;
}

.countdown-clock {
  display: grid;
  grid-template-columns: repeat(4, minmax(54px, 1fr));
  gap: 1px;
  min-width: min(260px, 100%);
  overflow: hidden;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.14);
}

.countdown-clock span {
  display: grid;
  place-items: center;
  gap: 3px;
  min-height: 62px;
  padding: 8px 10px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
}

.countdown-clock strong {
  color: var(--mint);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  line-height: 1;
}

.eyebrow,
.section-kicker {
  margin: 0 0 16px;
  color: var(--amber);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(3.2rem, 8vw, 7.8rem);
  line-height: 0.92;
  letter-spacing: 0;
}

h1 span {
  display: block;
}

h2 {
  font-size: clamp(2.25rem, 5vw, 5.3rem);
  line-height: 0.98;
  letter-spacing: 0;
}

h3 {
  font-size: 1.28rem;
}

.hero-copy {
  max-width: 650px;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.7;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 12px;
  margin: 30px 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 6px;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

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

.button.primary {
  background: var(--amber);
  color: var(--night);
  box-shadow: 0 16px 38px rgba(255, 177, 74, 0.26);
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.proof-strip {
  align-items: stretch;
  flex-wrap: wrap;
  gap: 0;
  width: min(680px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  overflow: hidden;
  background: rgba(7, 15, 16, 0.52);
  backdrop-filter: blur(14px);
}

.proof-strip div {
  flex: 1 1 180px;
  padding: 16px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.proof-strip div:last-child {
  border-right: 0;
}

.proof-strip strong {
  display: block;
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.55rem;
  color: var(--mint);
}

.proof-strip span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.83rem;
  line-height: 1.4;
}

.band {
  padding: clamp(70px, 10vw, 130px) clamp(20px, 6vw, 76px);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.85fr);
  gap: clamp(28px, 7vw, 96px);
  align-items: end;
}

.intro p,
.lab-copy p,
.join p,
.timeline p,
.system-card p {
  color: rgba(16, 20, 22, 0.72);
  font-size: 1rem;
  line-height: 1.7;
}

.intro p {
  max-width: 620px;
  font-size: 1.17rem;
}

.systems {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.system-card {
  min-height: 360px;
  padding: clamp(28px, 5vw, 54px);
  background: var(--paper);
}

.icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  margin-bottom: 34px;
  border-radius: 50%;
  color: var(--night);
  background: var(--mint);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 800;
}

.lab-panel {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(360px, 1fr);
  gap: clamp(36px, 7vw, 92px);
  align-items: center;
  padding: clamp(70px, 10vw, 132px) clamp(20px, 6vw, 76px);
  background: var(--night);
  color: var(--white);
}

.lab-copy p {
  color: rgba(255, 255, 255, 0.73);
}

.science-list {
  margin: 34px 0 0;
}

.science-list div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.science-list dt {
  color: var(--mint);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
}

.science-list dd {
  margin: 0;
  color: rgba(255, 255, 255, 0.75);
}

.simulator {
  position: relative;
  min-height: 520px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 20%, rgba(143, 217, 189, 0.22), transparent 32%),
    radial-gradient(circle at 72% 62%, rgba(255, 177, 74, 0.16), transparent 35%),
    #0c1718;
  box-shadow: var(--shadow);
}

canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.simulator-readout {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(8, 16, 17, 0.76);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.simulator-readout span {
  color: var(--mint);
}

.whitepaper {
  padding: clamp(72px, 10vw, 138px) clamp(20px, 6vw, 76px);
  background: #f9f7ef;
  color: var(--ink);
}

.whitepaper-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.78fr);
  gap: clamp(26px, 6vw, 84px);
  align-items: end;
  margin-bottom: clamp(34px, 6vw, 72px);
}

.whitepaper-head .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -8px;
}

.whitepaper-head h2 {
  margin-bottom: 0;
  max-width: 980px;
}

.whitepaper-head p,
.paper-abstract p,
.paper-body p,
.paper-method p {
  color: rgba(16, 20, 22, 0.72);
  line-height: 1.72;
}

.whitepaper-head p {
  margin-bottom: 0;
  font-size: 1.08rem;
}

.paper-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 1fr);
  gap: 1px;
  background: rgba(16, 20, 22, 0.16);
  border: 1px solid rgba(16, 20, 22, 0.16);
  box-shadow: var(--shadow);
}

.paper-abstract,
.paper-body article {
  background: #fffdf6;
}

.paper-abstract {
  position: sticky;
  top: 92px;
  align-self: start;
  padding: clamp(24px, 4vw, 42px);
}

.paper-abstract span,
.paper-method span,
.sources h3 {
  display: block;
  margin-bottom: 16px;
  color: var(--teal);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.paper-abstract p {
  margin-bottom: 0;
}

.paper-body {
  display: grid;
  gap: 1px;
  background: rgba(16, 20, 22, 0.12);
}

.paper-body article {
  padding: clamp(24px, 4vw, 44px);
}

.paper-body h3 {
  margin-bottom: 14px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
}

.paper-body p {
  margin-bottom: 0;
  max-width: 940px;
}

.paper-method {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: clamp(28px, 5vw, 54px);
  background: rgba(16, 20, 22, 0.15);
  border: 1px solid rgba(16, 20, 22, 0.15);
}

.paper-method div {
  min-height: 190px;
  padding: 24px;
  background: var(--night);
  color: var(--white);
}

.paper-method span {
  color: var(--amber);
}

.paper-method p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.75);
}

.sources {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  margin-top: 1px;
  background: rgba(16, 20, 22, 0.14);
  border: 1px solid rgba(16, 20, 22, 0.14);
  border-top: 0;
}

.sources h3,
.sources a {
  margin: 0;
  padding: 18px;
  background: #fffdf6;
}

.sources h3 {
  display: flex;
  align-items: center;
  color: var(--coral);
}

.sources a {
  color: rgba(16, 20, 22, 0.78);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.45;
  text-decoration: underline;
  text-decoration-color: rgba(10, 119, 115, 0.35);
  text-underline-offset: 4px;
}

.sources a:hover {
  color: var(--teal);
}

.origins {
  padding: clamp(72px, 10vw, 140px) clamp(20px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(8, 16, 17, 0.96), rgba(8, 16, 17, 0.92)),
    radial-gradient(circle at 18% 16%, rgba(223, 96, 77, 0.18), transparent 34%);
  color: var(--white);
}

.origins-lede {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.72fr);
  gap: clamp(28px, 6vw, 86px);
  align-items: end;
  margin-bottom: clamp(36px, 6vw, 76px);
}

.origins-lede .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -8px;
}

.origins-lede h2 {
  margin-bottom: 0;
  max-width: 1050px;
}

.origins-lede p,
.origin-card p,
.emulation-panel p,
.origin-steps p,
.origin-caveat p {
  color: rgba(255, 255, 255, 0.74);
  line-height: 1.72;
}

.origins-lede p {
  margin-bottom: 0;
  font-size: 1.08rem;
}

.origin-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.origin-card {
  min-height: 420px;
  padding: clamp(26px, 4vw, 44px);
  background: rgba(255, 255, 255, 0.055);
}

.primary-origin {
  background:
    linear-gradient(135deg, rgba(143, 217, 189, 0.13), rgba(255, 177, 74, 0.08)),
    rgba(255, 255, 255, 0.06);
}

.origin-card span {
  display: block;
  margin-bottom: 28px;
  color: var(--mint);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.origin-card h3,
.emulation-panel h3,
.origin-caveat h3 {
  font-size: clamp(1.45rem, 2.4vw, 2.35rem);
  line-height: 1.05;
}

.origin-card p {
  margin-bottom: 0;
}

.emulation-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.62fr) minmax(0, 1fr);
  gap: clamp(24px, 6vw, 70px);
  align-items: start;
  margin-top: clamp(34px, 6vw, 70px);
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid rgba(143, 217, 189, 0.28);
  border-radius: 8px;
  background: rgba(143, 217, 189, 0.08);
}

.emulation-panel h3,
.emulation-panel p {
  margin-bottom: 0;
}

.origin-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: clamp(28px, 4vw, 46px);
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.origin-steps div {
  min-height: 190px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
}

.origin-steps strong {
  display: block;
  margin-bottom: 14px;
  color: var(--amber);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.origin-steps p {
  margin-bottom: 0;
}

.origin-caveat {
  display: grid;
  grid-template-columns: minmax(220px, 0.34fr) minmax(0, 1fr);
  gap: clamp(20px, 5vw, 64px);
  margin-top: 1px;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-top: 0;
  background: rgba(223, 96, 77, 0.1);
}

.origin-caveat h3,
.origin-caveat p {
  margin-bottom: 0;
}

.origin-sources {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.18);
}

.origin-sources h3,
.origin-sources a {
  background: #111b1c;
}

.origin-sources h3 {
  color: var(--amber);
}

.origin-sources a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration-color: rgba(143, 217, 189, 0.36);
}

.origin-sources a:hover {
  color: var(--mint);
}

.investors {
  padding: clamp(72px, 10vw, 138px) clamp(20px, 6vw, 76px);
  background: var(--paper);
  color: var(--ink);
}

.investor-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, 0.74fr);
  gap: clamp(28px, 6vw, 88px);
  align-items: end;
  margin-bottom: clamp(36px, 6vw, 76px);
}

.investor-hero .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -8px;
}

.investor-hero h2 {
  margin-bottom: 0;
}

.investor-hero p,
.risk-grid p,
.beyond-quantum p,
.investor-principles p {
  color: rgba(16, 20, 22, 0.72);
  line-height: 1.72;
}

.investor-hero p {
  margin-bottom: 0;
  font-size: 1.08rem;
}

.risk-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(16, 20, 22, 0.15);
  border: 1px solid rgba(16, 20, 22, 0.15);
}

.risk-grid article {
  min-height: 430px;
  padding: clamp(26px, 4vw, 44px);
  background: #fffdf6;
}

.risk-grid span {
  display: block;
  margin-bottom: 30px;
  color: var(--coral);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.risk-grid h3 {
  font-size: clamp(1.4rem, 2.2vw, 2.15rem);
  line-height: 1.06;
}

.risk-grid p {
  margin-bottom: 0;
}

.beyond-quantum {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) 1fr 1fr;
  gap: clamp(22px, 4vw, 48px);
  align-items: start;
  margin-top: clamp(34px, 6vw, 70px);
  padding: clamp(28px, 5vw, 58px);
  border-radius: 8px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(8, 16, 17, 0.96), rgba(10, 119, 115, 0.82)),
    radial-gradient(circle at 78% 20%, rgba(255, 177, 74, 0.2), transparent 30%);
  box-shadow: var(--shadow);
}

.beyond-quantum h3 {
  margin-bottom: 0;
  font-size: clamp(1.8rem, 3.2vw, 3.3rem);
  line-height: 0.98;
}

.beyond-quantum p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.investor-principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: clamp(28px, 4vw, 48px);
  background: rgba(16, 20, 22, 0.15);
  border: 1px solid rgba(16, 20, 22, 0.15);
}

.investor-principles div {
  min-height: 172px;
  padding: 24px;
  background: var(--mist);
}

.investor-principles strong {
  display: block;
  margin-bottom: 14px;
  color: var(--teal);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.investor-principles p {
  margin-bottom: 0;
}

.manifesto {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.62fr);
  gap: clamp(34px, 7vw, 94px);
  align-items: end;
  padding: clamp(76px, 10vw, 140px) clamp(20px, 6vw, 76px);
  background: #fffdf6;
}

.manifesto h2,
.roadmap h2,
.questions h2,
.faq h2,
.follow h2 {
  margin-bottom: 0;
}

.manifesto-copy p,
.roadmap-head p,
.question-grid p,
.faq-list p,
.follow p {
  color: rgba(16, 20, 22, 0.72);
  line-height: 1.72;
}

.manifesto-copy > p:last-child {
  max-width: 760px;
  margin: 26px 0 0;
  font-size: 1.1rem;
}

.manifesto blockquote {
  margin: 0;
  padding: clamp(26px, 4vw, 42px);
  border-left: 4px solid var(--coral);
  background: var(--night);
  color: var(--white);
  box-shadow: var(--shadow);
}

.manifesto blockquote p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: clamp(1.35rem, 2.4vw, 2.15rem);
  line-height: 1.24;
}

.roadmap {
  padding: clamp(72px, 10vw, 130px) clamp(20px, 6vw, 76px);
  background: var(--mist);
}

.roadmap-head {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.7fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: end;
  margin-bottom: clamp(34px, 6vw, 68px);
}

.roadmap-head .section-kicker {
  grid-column: 1 / -1;
  margin-bottom: -8px;
}

.roadmap-head p {
  margin-bottom: 0;
}

.roadmap-track {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(16, 20, 22, 0.15);
  border: 1px solid rgba(16, 20, 22, 0.15);
}

.roadmap-track article {
  min-height: 300px;
  padding: 28px;
  background: var(--mist);
}

.roadmap-track span {
  display: block;
  margin-bottom: 34px;
  color: var(--teal);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.roadmap-track h3 {
  font-size: clamp(1.4rem, 2.2vw, 2.1rem);
  line-height: 1.05;
}

.roadmap-track p {
  margin-bottom: 0;
  color: rgba(16, 20, 22, 0.72);
  line-height: 1.65;
}

.questions {
  display: grid;
  grid-template-columns: minmax(280px, 0.52fr) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 82px);
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 76px);
  background: var(--night);
  color: var(--white);
}

.question-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.question-grid article {
  min-height: 250px;
  padding: clamp(24px, 4vw, 38px);
  background: rgba(255, 255, 255, 0.06);
}

.question-grid h3 {
  font-size: clamp(1.25rem, 2vw, 1.85rem);
  line-height: 1.08;
}

.question-grid p {
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.72);
}

.faq {
  display: grid;
  grid-template-columns: minmax(280px, 0.48fr) minmax(0, 1fr);
  gap: clamp(30px, 6vw, 86px);
  padding: clamp(72px, 10vw, 132px) clamp(20px, 6vw, 76px);
  background: #fffdf6;
}

.faq-list {
  border-top: 1px solid rgba(16, 20, 22, 0.16);
}

.faq-list details {
  border-bottom: 1px solid rgba(16, 20, 22, 0.16);
}

.faq-list summary {
  cursor: pointer;
  padding: 22px 0;
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 800;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  float: right;
  color: var(--coral);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: -6px 0 24px;
  max-width: 780px;
}

.follow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(52px, 8vw, 92px) clamp(20px, 6vw, 76px);
  background: var(--teal);
  color: var(--white);
}

.follow h2 {
  max-width: 760px;
  font-size: clamp(2rem, 4.3vw, 4.4rem);
}

.follow p {
  max-width: 520px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.78);
}

.timeline {
  background: var(--mist);
}

.timeline h2 {
  width: min(940px, 100%);
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 44px;
  background: rgba(16, 20, 22, 0.15);
  border: 1px solid rgba(16, 20, 22, 0.15);
}

.timeline-grid div {
  min-height: 270px;
  padding: 28px;
  background: var(--mist);
}

.timeline-grid span {
  color: var(--coral);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 800;
}

.join {
  justify-content: space-between;
  gap: 32px;
  padding: clamp(52px, 8vw, 94px) clamp(20px, 6vw, 76px);
  background: var(--teal);
  color: var(--white);
}

.join h2 {
  max-width: 660px;
  margin-bottom: 0;
  font-size: clamp(2.1rem, 4.8vw, 4.8rem);
}

.join p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.join-button {
  border: 0;
  cursor: pointer;
}

.join-status {
  display: none;
  flex-basis: 100%;
  max-width: 760px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(8, 16, 17, 0.22);
}

.join-status:target {
  display: block;
}

.contact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(48px, 7vw, 84px) clamp(20px, 6vw, 76px);
  background: #fffdf6;
  border-top: 1px solid rgba(16, 20, 22, 0.14);
}

.contact h2 {
  max-width: 760px;
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.2rem);
}

.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 14px 18px;
  border: 1px solid rgba(16, 20, 22, 0.18);
  border-radius: 8px;
  background: var(--night);
  color: var(--white);
  font-weight: 800;
  white-space: nowrap;
}

.contact-link:hover {
  background: var(--teal);
}

footer {
  display: grid;
  grid-template-columns: minmax(240px, 0.7fr) minmax(0, 1fr);
  gap: clamp(36px, 8vw, 110px);
  padding: clamp(44px, 7vw, 82px) clamp(20px, 6vw, 76px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--night);
  font-size: 0.9rem;
}

.footer-brand > span {
  display: block;
  margin-bottom: 18px;
  color: var(--white);
  font-size: 1.15rem;
  font-weight: 800;
}

.footer-brand p {
  max-width: 360px;
  margin: 0 0 14px;
  line-height: 1.55;
}

.site-disclosure {
  max-width: 430px;
  color: rgba(255, 255, 255, 0.46);
  font-size: 0.78rem;
  line-height: 1.45;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 5vw, 64px);
}

.footer-links h3 {
  margin-bottom: 18px;
  color: var(--amber);
  font-family: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.footer-links a {
  display: block;
  margin-bottom: 12px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-links a:hover {
  color: var(--white);
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
  }

  .primary-nav {
    display: none;
  }

  .intro-grid,
  .lab-panel,
  .systems,
  .whitepaper-head,
  .paper-layout,
  .paper-method,
  .sources,
  .origins-lede,
  .origin-grid,
  .emulation-panel,
  .origin-steps,
  .origin-caveat,
  .investor-hero,
  .risk-grid,
  .beyond-quantum,
  .investor-principles,
  .manifesto,
  .roadmap-head,
  .roadmap-track,
  .questions,
  .question-grid,
  .faq,
  footer,
  .footer-links,
  .timeline-grid {
    grid-template-columns: 1fr;
  }

  .system-card {
    min-height: auto;
  }

  .lab-panel {
    padding-top: 86px;
  }

  .simulator {
    min-height: 420px;
  }

  .countdown {
    position: static;
    width: 100%;
    margin-bottom: 28px;
  }

  .paper-abstract {
    position: static;
  }

  .origin-card {
    min-height: auto;
  }

  .risk-grid article {
    min-height: auto;
  }

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

@media (max-width: 560px) {
  h1 {
    font-size: clamp(2.55rem, 12vw, 3.65rem);
  }

  .hero-content {
    padding-inline: 18px;
  }

  h1,
  .hero-copy,
  .proof-strip,
  .countdown {
    max-width: calc(100vw - 36px);
  }

  .countdown {
    position: static;
    display: grid;
    gap: 12px;
    margin-bottom: 22px;
    padding: 12px;
  }

  .countdown > div:first-child strong {
    max-width: none;
  }

  .countdown-clock {
    min-width: 0;
  }

  .countdown-clock span {
    min-height: 52px;
    padding: 7px 6px;
    font-size: 0.6rem;
  }

  .hero-copy {
    font-size: 0.98rem;
  }

  .proof-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    overflow: hidden;
  }

  .proof-strip div {
    min-width: 0;
    padding: 14px 12px;
    border-right: 1px solid rgba(255, 255, 255, 0.16);
    border-bottom: 0;
  }

  .proof-strip strong {
    font-size: 1.25rem;
  }

  .proof-strip span {
    font-size: 0.76rem;
  }

  .join > *,
  .contact > * {
    max-width: 100%;
  }

  .contact-link {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .proof-strip div:last-child {
    border-right: 0;
  }

  .science-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}