:root {
  --ink: #151515;
  --paper: #f0eee8;
  --mist: #d9d8d2;
  --signal: #f05a3c;
  --line: rgba(21, 21, 21, 0.24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 78px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: fixed;
  z-index: 10;
  inset: 0 0 auto 0;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding: 18px 28px;
  color: #fff;
  background: rgba(12,12,12,.48);
  border-bottom: 1px solid rgba(255,255,255,.16);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
}
nav { display: flex; justify-content: flex-end; gap: 10px; font-size: .73rem; text-align: right; }
nav a:hover { opacity: .55; }

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  isolation: isolate;
  background: #171513;
  border-bottom: 1px solid var(--line);
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7,6,5,.82) 0%, rgba(7,6,5,.43) 43%, rgba(7,6,5,.05) 72%),
    linear-gradient(0deg, rgba(7,6,5,.7) 0%, transparent 50%);
}
.hero-equipment-image {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  transform: translate3d(0, var(--hero-parallax, 0px), 0) scale(1.04);
  will-change: transform;
  animation: hero-reveal 1.2s cubic-bezier(.2,.8,.2,1) both;
}
.hero-copy {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100svh;
  max-width: 1400px;
  padding: 120px 4vw 7vh 2.2vw;
  color: #fff;
}
.eyebrow {
  margin: 0 0 22px;
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}
h1 {
  margin: 0;
  max-width: none;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.8rem, 9vw, 10.2rem);
  font-weight: 400;
  line-height: .79;
  letter-spacing: -.075em;
}
.hero-en h1 {
  font-size: clamp(9rem, 23vw, 24rem);
  line-height: .68;
  letter-spacing: .025em;
}
.hero-acronym {
  display: flex;
  flex-wrap: nowrap;
  gap: 0 .18em;
  width: max-content;
  max-width: 68%;
  margin: 42px 0 0 30%;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.1rem, 1.65vw, 2rem);
  line-height: 1.08;
  letter-spacing: -.025em;
  white-space: nowrap;
}
.hero-acronym b { color: var(--signal); font-weight: 400; }
.hero-lede {
  width: min(520px, 82%);
  margin: 28px 0 0 30%;
  font-size: clamp(1rem, 1.25vw, 1.35rem);
  line-height: 1.38;
}
.hero-lede strong { display: block; margin-bottom: 7px; font-family: Georgia, "Times New Roman", serif; font-size: 1.18em; font-weight: 400; }
.hero-actions {
  width: min(520px, 82%);
  margin: 28px 0 0 30%;
  display: flex;
  align-items: center;
  gap: 24px;
}
.button {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 100px;
  font-size: .78rem;
  font-weight: 700;
  background-image: linear-gradient(var(--signal), var(--signal));
  background-position: left center;
  background-repeat: no-repeat;
  background-size: 0 100%;
  transition: transform .45s cubic-bezier(.2,.8,.2,1), color .4s ease, border-color .4s ease, background-size .5s cubic-bezier(.16,1,.3,1);
}
.button::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 50%;
  left: -46px;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, #46f68b 0 2px, transparent 3px),
    linear-gradient(90deg,#111 0%,#555 48%,#111 100%);
  box-shadow: 0 7px 18px rgba(0,0,0,.32);
  transform: translateY(-50%);
  transition: left 1.45s cubic-bezier(.16,1,.3,1);
}
.button:hover, .button:focus-visible { transform: translateY(-3px); color: var(--ink); border-color: var(--signal); background-size: 100% 100%; }
.button:hover::before, .button:focus-visible::before { left: calc(100% + 12px); transition-delay: .48s; }
.text-link { position: relative; font-size: .76rem; padding-bottom: 5px; }
.text-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform-origin: right; transition: transform .35s ease; }
.text-link:hover::after { transform: scaleX(.25); }
.text-link span { display: inline-block; margin-left: 8px; transition: transform .35s ease; }
.text-link:hover span { transform: translate(4px,4px); }
.hero .text-link { border-color: rgba(255,255,255,.8); }
.concept-label {
  position: absolute;
  z-index: 2;
  top: 68px;
  right: 28px;
  color: rgba(255,255,255,.7);
  font-size: .61rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.intro-strip {
  min-height: 60vh;
  display: grid;
  grid-template-columns: 1fr 3.2fr 1fr;
  align-items: start;
  gap: 28px;
  padding: 90px 28px;
}
.intro-strip > p:first-child, .intro-note { font-size: .68rem; line-height: 1.4; }
.intro-strip h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 6.1vw, 7.5rem);
  font-weight: 400;
  line-height: .96;
  letter-spacing: -.055em;
}
.intro-strip h2.two-line-title { font-size: clamp(2.5rem, 3.4vw, 4.4rem); }
.two-line-title span { display: block; white-space: nowrap; }
.intro-note { margin: 5px 0 0; max-width: 180px; }

.section-index {
  margin: 0;
  font-size: .66rem;
  line-height: 1.3;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.manifesto-grid {
  margin-top: 70px;
  margin-left: 24%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 38px;
  max-width: 800px;
}
.manifesto-grid p {
  margin: 0;
  font-size: clamp(.95rem, 1.15vw, 1.25rem);
  line-height: 1.48;
}

.product-study-section { padding: 110px 28px 140px; background: #e5e2da; }
.product-study-copy { display: grid; grid-template-columns: .9fr 2.5fr 1fr; gap: 28px; align-items: start; }
.product-study-copy h2 {
  margin: 0;
  max-width: 1050px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3rem, 6vw, 7.2rem);
  font-weight: 400;
  line-height: .94;
  letter-spacing: -.055em;
}
.product-study-copy h2.two-line-title { font-size: clamp(2.5rem, 3.4vw, 4.4rem); }
.product-study-copy > p:last-child { margin: 6px 0 0; max-width: 260px; font-size: .78rem; line-height: 1.55; }
.product-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: stretch; gap: 18px; margin-top: 95px; }
.product-view { display: grid; grid-template-rows: auto 1fr; margin: 0; }
.product-crop { position: relative; overflow: hidden; aspect-ratio: .5; background: #f3f0e9; }
.product-crop img { position: absolute; top: 0; width: 300%; max-width: none; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2,.8,.2,1); }
.product-view-front .product-crop img, .product-crop.product-view-front img { left: 0; }
.product-view-angle .product-crop img, .product-crop.product-view-angle img { left: -100%; }
.product-view-side .product-crop img, .product-crop.product-view-side img { left: -200%; }
.product-view:hover .product-crop img { transform: scale(1.035); }
.product-view figcaption { display: grid; grid-template-columns: .55fr 1.45fr; align-content: start; gap: 18px; min-height: 118px; padding: 16px 2px 0; border-top: 1px solid var(--ink); }
.product-view figcaption span { font-size: .61rem; letter-spacing: .05em; text-transform: uppercase; }
.product-view figcaption p { margin: 0; max-width: 260px; font-size: .72rem; line-height: 1.45; }

.dialogue-section {
  padding: 28px;
  background: var(--ink);
  color: #fff;
}
.dialogue-stage {
  position: relative;
  min-height: 84svh;
  padding: 22px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.22);
  background:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 84px 84px;
}
.stage-label {
  margin: 0;
  font-size: .66rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: rgba(255,255,255,.6);
}
.question-bubble, .answer-bubble {
  position: absolute;
  border-radius: 44px;
  padding: 28px 32px 34px;
  will-change: transform;
  transition: transform 1.05s cubic-bezier(.16,1,.3,1), background-color .7s ease, box-shadow .9s ease;
}
.question-bubble span, .answer-bubble span {
  display: block;
  margin-bottom: 24px;
  font-size: .6rem;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.question-bubble p, .answer-bubble p {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.02;
  letter-spacing: -.04em;
}
.question-bubble {
  top: 15%;
  left: 6%;
  width: min(570px, 54%);
  background: #e5e2da;
  color: var(--ink);
  transform: translate3d(var(--bubble-x, 0px), calc(var(--bubble-y, 0px) + var(--dialogue-parallax, 0px)), 0) rotate(-2deg);
}
.question-bubble:hover { background: var(--signal); transform: translate3d(var(--bubble-x, 0px), calc(var(--bubble-y, 0px) + var(--dialogue-parallax, 0px) - 6px), 0) rotate(0deg); box-shadow: 0 28px 65px rgba(0,0,0,.28); }
.question-bubble p { font-size: clamp(2.2rem, 4.5vw, 5.2rem); }
.answer-bubble {
  right: 5%;
  bottom: 9%;
  width: min(720px, 60%);
  background: var(--signal);
  color: var(--ink);
  transform: translate3d(var(--answer-x, 0px), calc(var(--answer-y, 0px) - var(--dialogue-parallax, 0px)), 0) rotate(1.2deg);
}
.answer-bubble:hover { background: #e5e2da; transform: translate3d(var(--answer-x, 0px), calc(var(--answer-y, 0px) - var(--dialogue-parallax, 0px) - 6px), 0) rotate(0deg); box-shadow: 0 28px 65px rgba(0,0,0,.28); }
.answer-bubble p { font-size: clamp(1.65rem, 3.25vw, 3.8rem); }
.dialogue-caption {
  display: grid;
  grid-template-columns: .55fr 1.45fr 1.15fr;
  gap: 5vw;
  align-items: end;
  padding: 88px 0 62px;
  border-top: 1px solid rgba(255,255,255,.25);
}
.dialogue-caption > span { align-self: start; font-size: .62rem; letter-spacing: .07em; text-transform: uppercase; color: rgba(255,255,255,.58); }
.dialogue-caption h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.4rem, 7vw, 8.4rem); font-weight: 400; line-height: .82; letter-spacing: -.065em; }
.dialogue-caption p { margin: 0 0 .25em; color: var(--signal); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.55rem, 2.7vw, 3.25rem); line-height: 1.04; letter-spacing: -.035em; }

.features-section { padding: 110px 28px 30px; }
.section-heading {
  display: grid;
  grid-template-columns: 1fr 2.7fr 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 100px;
}
.section-heading h2,
.architecture-copy h2,
.metrics-intro h2,
.access-title h2,
.roadmap-header h2,
.supporter-section h2,
.offer-card h2,
.faq-section h2,
.footer-cta h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: .94;
  letter-spacing: -.055em;
}
.section-heading h2 { font-size: clamp(3rem, 6.2vw, 7rem); }
.section-heading > p:last-child { max-width: 220px; margin: 5px 0 0; font-size: .72rem; line-height: 1.5; }
.ai-statement {
  display: grid;
  grid-template-columns: .75fr 2.35fr 1.45fr;
  gap: 28px;
  align-items: start;
  margin: 0 0 115px;
  padding: 48px 28px 34px;
  border-radius: 26px;
  background: var(--ink);
  color: #fff;
}
.ai-statement h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.8rem, 5.25vw, 6.1rem);
  font-weight: 400;
  line-height: .9;
  letter-spacing: -.055em;
}
.ai-statement > p:nth-of-type(2) { margin: 4px 0 0; color: rgba(255,255,255,.7); font-size: .82rem; line-height: 1.58; }
.ai-guardrails {
  grid-column: 2 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: 52px;
  border-top: 1px solid rgba(255,255,255,.28);
  border-left: 1px solid rgba(255,255,255,.28);
}
.ai-guardrails span { min-height: 112px; padding: 17px; border-right: 1px solid rgba(255,255,255,.28); border-bottom: 1px solid rgba(255,255,255,.28); font-size: .76rem; line-height: 1.42; }
.ai-guardrails b { display: block; margin-bottom: 28px; color: var(--signal); font-size: .61rem; font-weight: 400; }
.feature-list { border-top: 1px solid var(--ink); }
.feature-row {
  display: grid;
  grid-template-columns: .5fr 2.1fr 2.1fr 1fr;
  gap: 28px;
  align-items: start;
  padding: 34px 12px 46px;
  border-bottom: 1px solid var(--line);
  transition: background-color .45s ease;
}
.feature-row > * { transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.feature-row:hover { background: rgba(240,90,60,.1); }
.feature-row:hover > *:not(:first-child) { transform: translateX(9px); }
.feature-row > span { font-size: .66rem; }
.feature-row h3 { margin: 0; font-size: clamp(1.35rem, 2.25vw, 2.65rem); font-weight: 400; line-height: 1.1; letter-spacing: -.03em; }
.feature-row p { margin: 0; max-width: 580px; font-size: .94rem; line-height: 1.5; }
.feature-row small { line-height: 1.45; font-size: .65rem; text-transform: uppercase; letter-spacing: .04em; }

.architecture-section {
  display: grid;
  grid-template-columns: .82fr 1.18fr;
  min-height: 100svh;
  margin-top: 100px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.architecture-copy { padding: 70px 4vw 70px 28px; border-right: 1px solid var(--ink); }
.architecture-copy h2 { margin-top: 65px; font-size: clamp(3rem, 5vw, 6.2rem); }
.architecture-copy > p:last-child { width: min(460px, 85%); margin: 60px 0 0 auto; line-height: 1.55; }
.system-flow {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 6vw 4vw;
  background: #dedbd3;
}
.flow-node {
  position: relative;
  min-height: 108px;
  padding: 18px 20px;
  display: grid;
  grid-template-columns: 48px minmax(180px, .9fr) 1.3fr;
  align-items: center;
  gap: 18px;
  border: 1px solid var(--ink);
  border-radius: 18px;
  background: var(--paper);
  transition: transform .5s cubic-bezier(.2,.8,.2,1), box-shadow .5s ease;
}
.flow-node:not(:last-child)::after {
  content: "";
  position: absolute;
  z-index: 2;
  left: 42px;
  bottom: -13px;
  width: 1px;
  height: 13px;
  background: var(--ink);
}
.flow-node:hover { transform: translateX(8px); box-shadow: -8px 10px 0 rgba(21,21,21,.12); }
.flow-node span { margin: 0; font-size: .6rem; letter-spacing: .05em; }
.flow-node strong { font-size: 1.12rem; letter-spacing: -.03em; }
.flow-node small { margin: 0; font-size: .68rem; line-height: 1.4; }
.flow-dark { background: var(--ink); color: #fff; }
.flow-accent { background: var(--signal); }

.technical-product-section {
  display: grid;
  grid-template-columns: minmax(560px, 1.15fr) minmax(420px, .85fr);
  min-height: 100svh;
  background: var(--ink);
  color: #fff;
}
.technical-product-stage {
  position: relative;
  display: grid;
  place-items: center;
  padding: 64px 3vw;
  overflow: hidden;
  border-right: 1px solid rgba(255,255,255,.24);
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 54px 54px;
}
.technical-drawing {
  display: block;
  width: 100%;
  max-width: 1000px;
  height: auto;
  box-shadow: 0 34px 90px rgba(0,0,0,.32);
  transform: translate3d(0, var(--technical-parallax, 0px), 0);
  transition: transform .28s linear;
  will-change: transform;
}
.product-callout {
  position: absolute;
  z-index: 2;
  padding: 7px 10px;
  border: 1px solid rgba(255,255,255,.42);
  border-radius: 100px;
  background: rgba(21,21,21,.72);
  color: #fff;
  font-size: .56rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}
.product-callout::after { content: ""; position: absolute; top: 50%; width: 48px; height: 1px; background: var(--signal); opacity: .7; }
.callout-interface { top: 16%; left: 5%; }
.callout-interface::after, .callout-mobility::after { left: calc(100% + 8px); }
.callout-mobility { bottom: 11%; left: 5%; }
.technical-product-copy { display: flex; flex-direction: column; justify-content: center; padding: 90px 4vw; }
.technical-product-copy h2 { margin: 58px 0 0; max-width: 700px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.3rem, 5.2vw, 6.5rem); font-weight: 400; line-height: .92; letter-spacing: -.06em; }
.technical-product-copy > p:nth-of-type(2) { max-width: 520px; margin: 45px 0 0 12%; color: rgba(255,255,255,.68); font-size: .86rem; line-height: 1.58; }
.technical-product-copy dl { margin: 55px 0 0 12%; border-top: 1px solid rgba(255,255,255,.35); }
.technical-product-copy dl div { display: grid; grid-template-columns: .7fr 1.3fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.2); }
.technical-product-copy dt, .technical-product-copy dd { margin: 0; font-size: .72rem; line-height: 1.45; }
.technical-product-copy dd { color: rgba(255,255,255,.65); }

.metrics-section {
  padding: 115px 28px;
  background: #fff;
}
.metrics-intro { display: grid; grid-template-columns: 1fr 2.7fr 1fr; gap: 28px; align-items: start; }
.metrics-intro h2 { font-size: clamp(3rem, 6vw, 6.8rem); }
.metrics-intro > p:last-child { margin: 5px 0 0; max-width: 230px; font-size: .72rem; line-height: 1.45; }
.metric-grid {
  margin-top: 120px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.metric-grid div {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 22px 18px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.metric-grid strong { font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.7rem, 4.5vw, 5.8rem); font-weight: 400; letter-spacing: -.06em; }
.metric-grid span { font-size: .7rem; line-height: 1.4; max-width: 130px; }

.access-section { padding: 100px 28px; background: var(--signal); }
.access-title { margin-top: 90px; }
.access-title h2 { margin: 0; max-width: none; white-space: nowrap; font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.5rem, 7.4vw, 8.8rem); font-weight: 400; line-height: .94; letter-spacing: -.06em; }
.access-formats {
  display: grid;
  grid-template-columns: 1.35fr .75fr 1fr;
  margin-top: 90px;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.access-formats strong {
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.3rem, 4.6vw, 5.4rem);
  font-weight: 400;
  line-height: .9;
  letter-spacing: -.05em;
  text-align: center;
}
.access-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: min(980px, 100%);
  margin: 110px auto 0;
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
}
.access-grid p { min-height: 135px; margin: 0; padding: 18px; display: flex; align-items: center; justify-content: center; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); font-size: .82rem; line-height: 1.4; text-align: center; }

.roadmap-section { padding: 120px 28px; }
.roadmap-header { display: grid; grid-template-columns: 1fr 2.7fr 1fr; gap: 28px; }
.roadmap-header h2 { font-size: clamp(3rem, 6.5vw, 7.2rem); }
.roadmap-header > p:last-child { margin: 5px 0 0; max-width: 230px; font-size: .72rem; line-height: 1.5; }
.roadmap-list { margin-top: 110px; border-top: 1px solid var(--ink); }
.roadmap-list article { display: grid; grid-template-columns: .45fr 1.1fr 2fr 2fr; gap: 28px; padding: 30px 12px 48px; border-bottom: 1px solid var(--line); transition: background-color .45s ease; }
.roadmap-list article > * { transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.roadmap-list article:hover { background: rgba(240,90,60,.1); }
.roadmap-list article:hover > *:not(:first-child) { transform: translateX(9px); }
.roadmap-list span, .roadmap-list time { font-size: .67rem; text-transform: uppercase; letter-spacing: .04em; }
.roadmap-list h3 { margin: 0; font-size: clamp(1.3rem, 2.25vw, 2.6rem); font-weight: 400; line-height: 1.1; }
.roadmap-list p { margin: 0; max-width: 450px; line-height: 1.5; font-size: .9rem; }

.supporter-section {
  display: grid;
  grid-template-columns: .8fr 3.7fr;
  gap: 28px;
  padding: 100px 28px;
  background: #d8d5cd;
}
.supporter-section h2 { font-size: clamp(3rem, 5.8vw, 6.7rem); max-width: 950px; }
.supporter-section h2 span { display: block; }
.founding-offer {
  display: grid;
  grid-template-columns: .8fr 1.1fr 1.5fr;
  align-items: end;
  gap: 24px;
  margin: 76px 0 0 24%;
  padding: 22px 0 28px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.founding-offer > span { align-self: start; font-size: .64rem; letter-spacing: .05em; text-transform: uppercase; }
.founding-offer strong { font-family: Georgia, "Times New Roman", serif; font-size: clamp(3.2rem, 5vw, 6rem); font-weight: 400; line-height: .8; letter-spacing: -.06em; color: var(--signal); }
.founding-offer p { margin: 0; max-width: 330px; font-size: .76rem; line-height: 1.5; }
.supporter-benefits { margin: 90px 0 0 24%; max-width: 660px; }
.supporter-benefits p { display: grid; grid-template-columns: 38px 1fr; gap: 20px; margin: 0; padding: 22px 0; border-top: 1px solid var(--ink); line-height: 1.4; }
.supporter-benefits p:last-child { border-bottom: 1px solid var(--ink); }
.supporter-benefits span { font-size: .62rem; }

.preorder-section { display: grid; grid-template-columns: .95fr 1.05fr; background: var(--ink); color: #fff; }
.offer-card { padding: 80px 4vw 80px 28px; border-right: 1px solid rgba(255,255,255,.24); }
.offer-card h2 { margin-top: 70px; font-size: clamp(3.5rem, 6.8vw, 7.8rem); }
.price-line { display: flex; align-items: flex-end; gap: 28px; margin: 80px 0 55px; }
.price-line strong { font-family: Georgia, "Times New Roman", serif; font-size: clamp(4.2rem, 7vw, 8.5rem); font-weight: 400; line-height: .8; letter-spacing: -.07em; color: var(--signal); }
.price-line span { font-size: .68rem; line-height: 1.35; }
.offer-card dl { margin: 0; border-top: 1px solid rgba(255,255,255,.4); }
.offer-card dl div { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; padding: 15px 0; border-bottom: 1px solid rgba(255,255,255,.24); }
.offer-card dt, .offer-card dd { margin: 0; font-size: .72rem; }
.offer-card dd { text-align: right; }
.offer-note { margin: 34px 0 0 auto; max-width: 430px; font-size: .68rem; line-height: 1.55; color: rgba(255,255,255,.62); }
.reserve-form { padding: 80px 4vw; }
.form-heading > p { margin: 0 0 28px; font-size: .66rem; text-transform: uppercase; letter-spacing: .06em; }
.form-heading h3 { margin: 0; max-width: 620px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(2.6rem, 4.5vw, 5.2rem); font-weight: 400; line-height: .95; letter-spacing: -.05em; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 30px 20px; margin-top: 70px; }
.form-grid label { display: flex; flex-direction: column; gap: 9px; }
.form-grid label > span { font-size: .62rem; text-transform: uppercase; letter-spacing: .06em; color: rgba(255,255,255,.6); }
.form-grid input, .form-grid select, .form-grid textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255,255,255,.38);
  border-radius: 0;
  padding: 10px 0 13px;
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: .87rem;
  outline: none;
}
.form-grid input:focus, .form-grid select:focus, .form-grid textarea:focus { border-color: var(--signal); }
.form-grid input::placeholder, .form-grid textarea::placeholder { color: rgba(255,255,255,.34); }
.form-grid select { color-scheme: dark; }
.form-grid textarea { resize: vertical; }
.full-field { grid-column: 1 / -1; }
.privacy-note { max-width: 560px; margin: 32px 0; font-size: .65rem; line-height: 1.5; color: rgba(255,255,255,.55); }
.button-light { background-color: #fff; color: var(--ink); border-color: #fff; }
.button span { margin-left: 36px; }
.form-status { min-height: 20px; margin: 20px 0 0; font-size: .7rem; color: var(--signal); }

.faq-section { display: grid; grid-template-columns: .8fr 1.7fr; gap: 8vw; padding: 120px 28px; }
.faq-section h2 { margin-top: 70px; font-size: clamp(3.2rem, 5.6vw, 6.7rem); }
.faq-list { border-top: 1px solid var(--ink); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; display: grid; grid-template-columns: 50px 1fr 30px; align-items: center; gap: 16px; cursor: pointer; padding: 24px 0; font-size: 1.02rem; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font-size: .62rem; }
.faq-list summary i { justify-self: end; font-style: normal; font-size: 1.4rem; transition: transform .2s ease; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.faq-list details > p { max-width: 680px; margin: 0 0 36px 66px; font-size: .86rem; line-height: 1.58; }

footer { padding: 120px 28px 28px; background: var(--ink); color: #fff; }
.footer-cta { min-height: 76svh; display: flex; flex-direction: column; }
.footer-cta > p { margin: 0 0 50px; font-size: .68rem; text-transform: uppercase; letter-spacing: .06em; }
.footer-cta h2 { max-width: none; font-size: clamp(4rem, 8.7vw, 9.2rem); }
.footer-cta h2 span { white-space: nowrap; }
.footer-cta .button { width: max-content; margin: auto auto 110px; }
.footer-meta { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 28px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.4); }
.footer-meta > div { display: flex; flex-direction: column; gap: 5px; font-size: .64rem; line-height: 1.3; }
.footer-meta strong { font-size: 1rem; }
.footer-meta a { text-decoration: underline; text-underline-offset: 3px; }

::selection { background: var(--signal); color: var(--ink); }

@keyframes hero-reveal {
  from { opacity: 0; filter: brightness(.84); }
  to { opacity: 1; filter: brightness(1); }
}

.motion-ready .reveal-item {
  opacity: 0;
  transform: translate3d(0, 34px, 0);
  transition: opacity .75s cubic-bezier(.2,.8,.2,1) var(--reveal-delay, 0ms), transform .85s cubic-bezier(.2,.8,.2,1) var(--reveal-delay, 0ms);
}
.motion-ready .reveal-item.is-visible { opacity: 1; transform: translate3d(0,0,0); }
.section-parallax-item {
  translate: 0 var(--section-parallax-y, 0px);
  transition: translate .24s linear;
  will-change: translate;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .hero-equipment-image, .question-bubble, .answer-bubble { transform: none !important; }
  .motion-ready .reveal-item { opacity: 1; transform: none; }
  .section-parallax-item { translate: none; }
}

@media (max-width: 800px) {
  .site-header { position: fixed; justify-content: flex-end; padding: 18px; background: rgba(12,12,12,.62); color: #fff; mix-blend-mode: normal; backdrop-filter: blur(18px) saturate(135%); -webkit-backdrop-filter: blur(18px) saturate(135%); }
  nav a:not(:last-child) { display: none; }
  .hero::after { background: linear-gradient(0deg, rgba(7,6,5,.88) 0%, rgba(7,6,5,.28) 74%, rgba(7,6,5,.08) 100%); }
  .hero-equipment-image { object-position: 52% center; }
  .hero-copy { min-height: 100svh; padding: 120px 18px 42px; }
  .concept-label { top: 84px; right: 18px; }
  h1 { font-size: clamp(4.5rem, 21vw, 7rem); }
  .hero-en h1 { font-size: clamp(6.2rem, 27vw, 9rem); line-height: .72; letter-spacing: .02em; }
  .hero-acronym { width: max-content; max-width: 100%; margin: 34px 0 0; gap: 0 .15em; font-size: clamp(.76rem, 3.35vw, 1rem); }
  .hero-lede, .hero-actions { width: 100%; margin-left: 0; }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .intro-strip { grid-template-columns: 1fr; min-height: auto; padding: 64px 18px; }
  .intro-strip h2.two-line-title, .product-study-copy h2.two-line-title { font-size: clamp(1.25rem, 5.4vw, 2rem); }
  .intro-note { max-width: 300px; }
  .manifesto-grid { grid-template-columns: 1fr; margin: 45px 0 0; gap: 24px; }
  .product-study-section { padding: 72px 18px 90px; }
  .product-study-copy { grid-template-columns: 1fr; }
  .product-study-copy h2 { margin-top: 25px; }
  .product-gallery { grid-template-columns: 1fr; margin-top: 55px; gap: 46px; }
  .product-view { width: 100%; }
  .product-view figcaption { grid-template-columns: .6fr 1.4fr; }
  .dialogue-section { padding: 14px; }
  .dialogue-stage { min-height: 760px; padding: 16px; }
  .question-bubble, .answer-bubble { width: calc(100% - 40px); padding: 24px; border-radius: 28px; }
  .question-bubble { left: 16px; top: 14%; }
  .answer-bubble { right: 16px; bottom: 9%; }
  .question-bubble p { font-size: clamp(2rem, 10vw, 3.2rem); }
  .answer-bubble p { font-size: clamp(1.55rem, 7.8vw, 2.5rem); }
  .dialogue-caption { grid-template-columns: 1fr; padding: 45px 5px 30px; gap: 24px; }
  .features-section, .metrics-section, .access-section, .roadmap-section, .faq-section { padding: 72px 18px; }
  .section-heading, .metrics-intro, .roadmap-header { grid-template-columns: 1fr; gap: 28px; margin-bottom: 58px; }
  .section-heading h2, .metrics-intro h2, .roadmap-header h2 { margin-top: 14px; }
  .ai-statement { grid-template-columns: 1fr; gap: 30px; margin-bottom: 72px; padding: 34px 22px 22px; }
  .ai-statement h3 { margin-top: 8px; }
  .ai-statement > p:nth-of-type(2) { margin-top: 8px; }
  .ai-guardrails { grid-column: 1; grid-template-columns: 1fr; margin-top: 22px; }
  .ai-guardrails span { min-height: 98px; }
  .feature-row { grid-template-columns: 38px 1fr; gap: 18px; padding: 28px 0; }
  .feature-row p, .feature-row small { grid-column: 2; }
  .architecture-section { grid-template-columns: 1fr; margin-top: 50px; }
  .architecture-copy { padding: 64px 18px; border-right: 0; border-bottom: 1px solid var(--ink); }
  .architecture-copy h2 { margin-top: 45px; }
  .architecture-copy > p:last-child { width: 100%; margin: 45px 0 0; }
  .system-flow { padding: 50px 18px; }
  .flow-node { grid-template-columns: 36px 1fr; min-height: 130px; }
  .flow-node small { grid-column: 2; }
  .flow-node:not(:last-child)::after { left: 35px; }
  .technical-product-section { grid-template-columns: 1fr; min-height: auto; }
  .technical-product-stage { min-height: 70svh; padding: 72px 18px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.24); }
  .technical-drawing { width: 100%; }
  .product-callout::after { width: 28px; }
  .technical-product-copy { padding: 76px 18px 90px; }
  .technical-product-copy h2 { margin-top: 45px; }
  .technical-product-copy > p:nth-of-type(2), .technical-product-copy dl { margin-left: 0; }
  .metric-grid { grid-template-columns: 1fr 1fr; margin-top: 65px; }
  .metric-grid div { min-height: 180px; }
  .metric-grid div:last-child { grid-column: 1 / -1; }
  .access-title { margin-top: 50px; }
  .access-title h2 { font-size: clamp(2.35rem, 9.7vw, 4rem); }
  .access-formats { grid-template-columns: 1fr; margin-top: 58px; }
  .access-formats strong { min-height: 135px; }
  .access-grid { grid-template-columns: 1fr 1fr; width: 100%; margin: 80px auto 0; }
  .roadmap-list { margin-top: 65px; }
  .roadmap-list article { grid-template-columns: 36px 1fr; gap: 14px; }
  .roadmap-list h3, .roadmap-list p { grid-column: 2; }
  .supporter-section { grid-template-columns: 1fr; padding: 72px 18px; }
  .founding-offer { grid-template-columns: 1fr; align-items: start; gap: 24px; margin: 48px 0 0; }
  .founding-offer strong { font-size: 4.8rem; }
  .supporter-benefits { margin: 55px 0 0; }
  .preorder-section { grid-template-columns: 1fr; }
  .offer-card { padding: 70px 18px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.24); }
  .price-line { align-items: flex-start; flex-direction: column; margin-top: 60px; }
  .reserve-form { padding: 70px 18px; }
  .form-grid { grid-template-columns: 1fr; margin-top: 52px; }
  .full-field { grid-column: 1; }
  .faq-section { grid-template-columns: 1fr; gap: 65px; }
  .faq-section h2 { margin-top: 35px; }
  .faq-list summary { grid-template-columns: 34px 1fr 20px; }
  .faq-list details > p { margin-left: 50px; }
  footer { padding: 80px 18px 24px; }
  .footer-cta { min-height: 68svh; }
  .footer-cta h2 { font-size: clamp(2.7rem, 10.2vw, 4.5rem); }
  .footer-cta .button { margin: 70px auto 80px; }
  .footer-meta { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}


.website-field {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
}
.reserve-form.is-sending .button { pointer-events: none; opacity: .65; }
.form-status.is-success { color: #46f68b; }
.form-status.is-error { color: #ff8e78; }