:root {
  color-scheme: light;
  --paper: #f8f7f4;
  --ink: #17212b;
  --muted: #4d5862;
  --accent: #24679e;
  --rule: #dce2e6;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
p, h1, h2, h3, figure { margin: 0; }
.shell { max-width: 1440px; margin: 0 auto; padding-inline: clamp(22px, 5.2vw, 76px); }

.header {
  min-height: 90px;
  border-bottom: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.brand { font-size: 29px; font-weight: 750; letter-spacing: -.07em; }
.header-link { padding: 12px 0; font-size: 14px; font-weight: 700; }
.header-link svg { margin-left: 5px; color: var(--accent); vertical-align: -2px; }
.header-link:hover { color: var(--accent); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  gap: clamp(24px, 3.8vw, 58px);
  align-items: center;
  padding-block: clamp(48px, 6.2vw, 90px) clamp(42px, 3.7vw, 54px);
}
.hero-copy { padding-bottom: 20px; }
.status, .eyebrow, .art-label, .art-key, figcaption, .step-number {
  font: 600 11px/1.3 ui-monospace, SFMono-Regular, Consolas, monospace;
  text-transform: uppercase;
  letter-spacing: .105em;
}
.status {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 11px;
  border: 1px solid #c8e1ef;
  border-radius: 30px;
  background: #e8f4fa;
  color: var(--accent);
}
.status span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

h1 {
  margin-top: 25px;
  font-size: clamp(40px, 5.35vw, 81px);
  font-weight: 750;
  letter-spacing: -.076em;
  line-height: .99;
}
h1 span { color: var(--accent); }
.intro {
  max-width: 390px;
  margin-top: 25px;
  font-size: clamp(16px, 1.45vw, 20px);
  line-height: 1.56;
  color: var(--muted);
}
.primary {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 19px;
  min-height: 50px;
  margin-top: 27px;
  padding: 12px 16px 12px 18px;
  border-radius: 5px;
  background: var(--ink);
  color: white;
  font-size: 14px;
  font-weight: 700;
}
.primary:hover { background: var(--accent); }
.primary svg { flex: none; }

.art-frame {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  aspect-ratio: 1.16;
  background-color: #e3f0f6;
  background-image:
    linear-gradient(to right, #24679e1a 1px, transparent 1px),
    linear-gradient(to bottom, #24679e1a 1px, transparent 1px),
    radial-gradient(ellipse at 42% 40%, #f3fbfd, #d3e9f3 110%);
  background-size: 31px 31px, 31px 31px, auto;
  background-position: center, center, center;
  border: 1px solid #cce0ea;
  border-radius: 13px;
}
.art-label, .art-cross, .art-key { position: absolute; z-index: 3; color: #315773; }
.art-label {
  top: 22px;
  left: 22px;
  display: grid;
  gap: 5px;
}
.art-label span:last-child { color: var(--accent); }
.art-cross { font: 16px/1 monospace; }
.cross-top { top: 19px; right: 21px; }
.cross-bottom { bottom: 18px; left: 21px; }
.model-axes {
  position: absolute;
  inset: 12% 11% 14%;
  border: 1px dashed #4799c861;
  border-radius: 50%;
  opacity: .52;
}
.cub-composition {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.digital-wireframe {
  fill: none;
  stroke: var(--accent);
  stroke-width: 4.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.wireframe-back { stroke-width: 3.5; opacity: .68; }
.wireframe-depth { stroke-width: 4; opacity: .84; }
.wireframe-marks { stroke-width: 3; opacity: .75; }
.model-shadow {
  position: absolute;
  left: 13.7%;
  top: 82%;
  width: 51%;
  height: 9%;
  background: radial-gradient(ellipse closest-side, #173b5966, transparent);
  filter: blur(5px);
}
.art-key {
  right: 18px;
  bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: 9px;
  letter-spacing: .035em;
}
.art-key span { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.art-key span:nth-of-type(2) { margin-left: 6px; background: transparent; border: 1px solid var(--accent); }
figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 10px;
  text-align: right;
}

.concept {
  border-block: 1px solid var(--rule);
  padding-block: 34px clamp(42px, 6.4vw, 86px);
  scroll-margin-top: 22px;
}
.concept-heading { display: flex; flex-direction: column; gap: 9px; }
.eyebrow { color: var(--accent); }
h2 { font-size: clamp(31px, 3.6vw, 48px); line-height: 1.05; letter-spacing: -.06em; }
.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 30px;
  padding: 0;
  margin: 26px 0 0;
  list-style: none;
}
.steps li { display: flex; align-items: flex-start; gap: 12px; padding-top: 16px; border-top: 1px solid var(--rule); }
.step-number { padding-top: 4px; color: var(--accent); }
.steps h3 { margin-bottom: 6px; font-size: 17px; letter-spacing: -.025em; }
.steps p { max-width: 270px; color: var(--muted); font-size: 14px; line-height: 1.55; }

.waitlist {
  margin-block: clamp(20px, 2vw, 26px);
  padding: clamp(34px, 5vw, 62px) clamp(20px, 5vw, 64px);
  border: 1px solid #cce0ea;
  border-radius: 13px;
  background: #e8f4fa;
  text-align: center;
}
.waitlist h2 { margin-top: 9px; }
.waitlist-intro {
  max-width: 470px;
  margin: 13px auto 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.55;
}
.waitlist-form { width: min(100%, 458px); margin: 23px auto 0; }
.waitlist-form label[for] { display: block; margin-bottom: 7px; text-align: left; font-size: 13px; font-weight: 700; }
.waitlist-fields { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; }
.waitlist-fields input, .waitlist-fields button {
  min-height: 48px;
  padding: 10px 13px;
  border: 1px solid #7894aa;
  border-radius: 5px;
  font: inherit;
}
.waitlist-fields input { width: 100%; color: var(--ink); background: white; }
.waitlist-fields input::placeholder { color: #586673; }
.waitlist-fields button {
  padding-inline: 17px;
  border-color: var(--ink);
  background: var(--ink);
  color: white;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}
.waitlist-fields button:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); }
.waitlist-fields button:disabled { opacity: .65; cursor: wait; }
.waitlist-fields :focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.waitlist-note, .waitlist-status { margin-top: 10px; color: var(--muted); font-size: 13px; line-height: 1.45; }
.waitlist-status { color: var(--ink); }
.waitlist-status:empty { margin-top: 0; }

.footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding-block: 21px 26px;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 13px;
}
.footer-brand { font-weight: 750; font-size: 19px; color: var(--ink); letter-spacing: -.055em; }

@media (max-width: 760px) {
  .header { min-height: 67px; }
  .brand { font-size: 25px; }
  .hero { grid-template-columns: minmax(0, 1fr); padding-block: 34px 42px; gap: 28px; }
  .hero-copy { padding-bottom: 0; }
  h1 { font-size: clamp(37px, 10.15vw, 72px); margin-top: 18px; }
  .intro { margin-top: 17px; }
  .primary { margin-top: 19px; }
  .art-frame { max-height: 510px; }
  .steps { gap: 17px; }
}

@media (max-width: 530px) {
  .art-label { top: 12px; left: 13px; font-size: 9px; }
  .cross-top { top: 10px; right: 12px; }
  .cross-bottom { bottom: 10px; left: 12px; }
  .art-key { right: 11px; bottom: 13px; font-size: 8px; }
  .steps { grid-template-columns: minmax(0, 1fr); margin-top: 19px; }
  .steps p { max-width: none; }
  .concept { padding-block-start: 26px; }
  .waitlist-fields { grid-template-columns: minmax(0, 1fr); }
  .footer { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}