:root {
  color-scheme: light;
  --page: #f7f7f5;
  --ink: #20241f;
  --muted: #5d635b;
  --line: #dcded7;
  --accent: #3d5036;
  --panel: #ebeee7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--page);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 24px; }
body { margin: 0; font-size: 16px; line-height: 1.6; }
a { color: inherit; text-decoration: none; }
a:focus-visible, main:focus-visible { outline: 3px solid #225cb5; outline-offset: 5px; border-radius: 5px; }
a:hover { text-decoration: underline; text-underline-offset: 5px; }
button, input, a { -webkit-tap-highlight-color: transparent; }
img { display: block; width: 100%; max-width: 100%; height: auto; }
figure, p, h1, h2, h3 { margin: 0; }
h1, h2, h3 { line-height: 1.08; font-weight: 600; }
h1 { font-size: clamp(48px, 8vw, 88px); letter-spacing: -.065em; }
h2 { font-size: clamp(35px, 5vw, 54px); letter-spacing: -.05em; }
h3 { font-size: 23px; letter-spacing: -.035em; }
.wrap { width: calc(100% - 40px); max-width: 1160px; margin-inline: auto; }
.section-space { padding-block: 76px; }
.eyebrow { font-size: 12px; font-weight: 650; letter-spacing: .08em; line-height: 1.5; color: var(--muted); }
.skip-link { position: fixed; z-index: 10; top: 12px; left: 20px; padding: 12px 18px; min-height: 44px; background: var(--ink); color: white; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.site-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 88px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; min-width: 44px; min-height: 44px; font-weight: 650; font-size: 31px; letter-spacing: -.06em; }
.brand-dot { color: var(--accent); }
.site-header nav { display: flex; align-items: center; gap: 12px; }
.site-header nav a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; min-width: 44px; font-size: 12px; font-weight: 550; }
.nav-join { gap: 7px; padding: 9px 12px; border: 1px solid var(--line); border-radius: 999px; }
.hero { display: grid; gap: 40px; padding-block: 56px 48px; }
.hero-copy .eyebrow { display: flex; align-items: center; gap: 9px; margin-bottom: 24px; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
h1 span { color: var(--muted); }
.hero-intro { margin-top: 24px; max-width: 400px; font-size: 19px; line-height: 1.5; }
.hero-detail { margin-top: 16px; max-width: 350px; color: var(--muted); font-size: 15px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 48px; max-width: 100%; padding: 13px 22px; border-radius: 999px; background: var(--ink); color: #fff; font-size: 14px; font-weight: 550; line-height: 1.4; transition: background-color .15s ease; }
.button:hover { background: var(--accent); text-decoration: none; }
.hero-copy .button { margin-top: 28px; }
.text-link { display: flex; align-items: center; gap: 10px; width: fit-content; min-height: 44px; margin-top: 9px; font-size: 14px; }
.hero-figure { align-self: center; background: #dce5ef; border-radius: 22px; overflow: hidden; }
.figure-label { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 23px 24px 0; font-size: 11px; font-weight: 550; color: #424f5d; }
.hero-figure img { margin-top: 8px; }
.hero-figure figcaption { display: flex; align-items: end; justify-content: space-between; gap: 20px; padding: 20px 24px 24px; font-size: 17px; font-weight: 550; line-height: 1.4; }
.render-label { color: #424f5d; font-size: 10px; font-weight: 500; text-align: right; }
.intro-strip { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 20px; border-top: 1px solid var(--line); padding-block: 30px; }
.intro-strip p { font-size: 23px; font-weight: 550; line-height: 1.35; letter-spacing: -.035em; }
.intro-strip p span { color: var(--muted); }
.strip-note { color: var(--muted); font-size: 12px; }
.section-heading { display: flex; flex-direction: column; gap: 24px; margin-bottom: 32px; }
.section-heading .eyebrow { margin-bottom: 14px; }
.section-heading > p { max-width: 330px; font-size: 15px; color: var(--muted); }
.study-grid { display: grid; gap: 24px; }
.study-card { min-width: 0; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; background: #fff; }
.study-card figure { background: #dce5ef; }
.study-card figcaption { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 15px 22px; font-size: 11px; font-weight: 550; color: #424f5d; }
.study-copy { padding: 27px 24px 30px; }
.study-copy .eyebrow { margin-bottom: 10px; }
.study-copy h3 { font-size: 29px; }
.study-copy > p:last-child { margin-top: 16px; color: var(--muted); font-size: 15px; }
.study-note { max-width: 740px; margin-top: 24px; color: var(--muted); font-size: 13px; }
.how { background: var(--panel); }
.steps { list-style: none; display: grid; gap: 32px; margin: 0; padding: 8px 0 0; }
.steps li { min-width: 0; border-top: 1px solid #c9cfc3; padding-top: 20px; }
.step-number { display: block; font-size: 12px; color: var(--muted); margin-bottom: 20px; }
.steps h3 { max-width: 240px; }
.steps p { margin-top: 15px; color: var(--muted); font-size: 15px; }
.prototype-note { margin-top: 38px; max-width: 760px; padding-top: 24px; border-top: 1px solid #c9cfc3; font-size: 13px; color: var(--muted); }
.prototype-note strong { color: var(--ink); font-weight: 550; }
.waitlist { display: grid; gap: 34px; }
.waitlist-copy .eyebrow { margin-bottom: 16px; }
.waitlist-copy > p:not(.eyebrow) { max-width: 390px; margin-top: 24px; color: var(--muted); }
.waitlist-copy .waitlist-note { font-size: 13px; }
.email-card { min-width: 0; padding: 28px 24px; background: #fff; border: 1px solid var(--line); border-radius: 20px; }
.email-card > p { margin-top: 16px; color: var(--muted); font-size: 14px; }
.email-card strong { color: var(--ink); font-weight: 550; }
.email-button { width: 100%; border-radius: 14px; margin-top: 23px; text-align: left; justify-content: space-between; }
.email-button span { flex-shrink: 0; }
.email-fallback { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 20px; color: var(--muted); font-size: 12px; overflow-wrap: anywhere; }
.email-fallback p + p { margin-top: 10px; }
.email-address { font-size: 15px; font-weight: 550; color: var(--ink); user-select: all; }
.footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 22px; min-height: 110px; padding-block: 24px; border-top: 1px solid var(--line); }
.footer p { color: var(--muted); font-size: 12px; }
.back-top { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; font-size: 12px; }
@media (min-width: 800px) {
  .section-space { padding-block: 104px; }
  .site-header nav { gap: 28px; }
  .site-header nav a { font-size: 13px; }
  .nav-join { padding-inline: 19px; }
  .hero { grid-template-columns: .92fr 1.08fr; align-items: center; gap: 48px; padding-block: 76px; }
  .hero h1 { font-size: clamp(48px, 5.8vw, 76px); }
  .hero-figure figcaption { padding: 22px 28px 28px; font-size: 21px; }
  .render-label { font-size: 11px; }
  .intro-strip p br { display: none; }
  .intro-strip p span { margin-left: 5px; }
  .section-heading { flex-direction: row; justify-content: space-between; align-items: end; margin-bottom: 42px; }
  .study-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .steps { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; }
  .waitlist { grid-template-columns: 1fr 1fr; align-items: center; gap: 72px; }
  .email-card { padding: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}