@font-face {
  font-family: Geist;
  src: url("assets/geist-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}
:root {
  color-scheme: light dark;
  --bg: #f7f8f5;
  --surface: #eef1ea;
  --card: #fdfefb;
  --ink: #202c24;
  --muted: #566359;
  --accent: #3b6048;
  --line: #d4dbd0;
  --soft: #e1e9db;
  --button: #3b6048;
  --button-ink: #f8faf5;
  --radius: 12px;
  --nav-layer: 20;
  font-family: Geist, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-synthesis: none;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171e19;
    --surface: #202b23;
    --card: #253128;
    --ink: #edf2e8;
    --muted: #b5c1b4;
    --accent: #adc5a9;
    --line: #405044;
    --soft: #2b3b2d;
    --button: #b9d0ad;
    --button-ink: #18251b;
  }
}
:root[data-theme="dark"] {
  --bg: #171e19;
  --surface: #202b23;
  --card: #253128;
  --ink: #edf2e8;
  --muted: #b5c1b4;
  --accent: #adc5a9;
  --line: #405044;
  --soft: #2b3b2d;
  --button: #b9d0ad;
  --button-ink: #18251b;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 105px;
}
body {
  margin: 0;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}
button,
a,
input,
summary {
  -webkit-tap-highlight-color: transparent;
}
button:active,
.button:active {
  transform: scale(0.98);
}
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 5px;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
p {
  line-height: 1.65;
}
h1,
h2,
h3,
p,
figure {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 550;
  letter-spacing: -0.045em;
}
h2 {
  font-size: clamp(32px, 4.2vw, 53px);
  line-height: 1.13;
}
h3 {
  font-size: 27px;
  line-height: 1.25;
}
pre {
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
code {
  font-family: Consolas, "Courier New", monospace;
}
ul {
  padding-left: 20px;
}
.container {
  max-width: 1280px;
  width: calc(100% - 96px);
  margin-inline: auto;
}
.skip {
  position: fixed;
  top: -90px;
  left: 20px;
  padding: 12px 20px;
  background: var(--button);
  color: var(--button-ink);
  z-index: 30;
}
.skip:focus {
  top: 12px;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--nav-layer);
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
.nav-shell {
  max-width: 1380px;
  margin: auto;
  height: 78px;
  padding: 0 48px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
  font-size: 20px;
  letter-spacing: -0.8px;
  font-weight: 650;
}
.brand-light {
  font-weight: 400;
  margin-left: -8px;
}
.brand-mark {
  font-family: Georgia, serif;
  background: var(--button);
  color: var(--button-ink);
  border-radius: 8px;
  font-size: 25px;
  line-height: 34px;
  text-align: center;
  width: 34px;
  margin-right: 3px;
}
nav {
  display: flex;
  align-items: center;
  margin-left: auto;
  gap: 32px;
  font-size: 13px;
  font-weight: 500;
}
nav a:not(.nav-cta):hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 7px;
}
.nav-cta {
  border: 1px solid var(--line);
  padding: 10px 16px;
  border-radius: 8px;
  display: flex;
  gap: 18px;
}
.theme-button {
  background: transparent;
  border: 0;
  font-size: 24px;
  min-width: 40px;
  min-height: 40px;
}
.menu-button {
  display: none;
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 30px;
  min-height: 590px;
  padding-block: 66px 68px;
}
.eyebrow {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
}
h1 {
  font-size: clamp(45px, 5.6vw, 76px);
  line-height: 1.04;
  letter-spacing: -0.055em;
}
h1 span {
  color: var(--accent);
}
.hero-description {
  max-width: 400px;
  font-size: 17px;
  color: var(--muted);
  margin-top: 28px;
}
.button-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 26px;
  margin-top: 32px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  white-space: nowrap;
  padding: 16px 22px;
  font-size: 13px;
  font-weight: 550;
  border-radius: 8px;
}
.primary {
  background: var(--button);
  color: var(--button-ink);
}
.primary:hover {
  filter: brightness(1.1);
}
.text-link {
  font-size: 13px;
  font-weight: 550;
  display: inline-flex;
  gap: 16px;
  align-items: center;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}
.hero-art {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 1.16;
  background: #edf0e9;
}
.hero-art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding-block: 26px;
  gap: 40px;
}
.principles p {
  font-size: 13px;
}
.principles strong {
  display: block;
  font-weight: 550;
  margin-bottom: 5px;
}
.principles span {
  color: var(--muted);
  font-size: 12px;
}
.section {
  padding-block: 96px;
}
.section-heading {
  max-width: 680px;
  margin-bottom: 40px;
}
.section-heading > p:not(.eyebrow) {
  color: var(--muted);
  font-size: 16px;
  max-width: 550px;
  margin-top: 20px;
}
.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.feature {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  padding: 36px;
  background: var(--card);
}
.surface-label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 24px;
}
.feature p:not(.surface-label) {
  color: var(--muted);
  font-size: 14px;
  max-width: 420px;
  margin-top: 18px;
}
.feature h3 {
  font-size: 31px;
}
.feature-desktop {
  grid-column: 1/-1;
  display: grid;
  grid-template-columns: 0.72fr 1fr;
  gap: 48px;
  background: var(--surface);
  align-items: center;
  padding-bottom: 24px;
}
.feature-copy {
  align-self: start;
  padding-top: 12px;
}
.feature-copy .text-link {
  margin-top: 28px;
}
.product-shot img {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 28px #32452d0d;
}
.product-shot figcaption {
  font-size: 10px;
  color: var(--muted);
  margin-top: 14px;
  line-height: 1.5;
}
.feature-cli {
  background: var(--card);
}
.feature-cli pre {
  margin-top: 28px;
  color: var(--accent);
  padding-block: 18px;
  border-block: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
}
.feature-portable {
  background: var(--soft);
}
.file-pair {
  margin-top: 28px;
  display: grid;
  gap: 10px;
}
.file-pair span {
  font-family: Consolas, monospace;
  border: 1px solid var(--line);
  background: var(--bg);
  padding: 15px 18px;
  border-radius: 8px;
  font-size: 14px;
}
.feature .small {
  font-size: 12px;
}
.workflow-section {
  background: var(--surface);
}
.workflow-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.2fr;
  gap: 70px;
}
.workflow-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.workflow-steps button {
  display: flex;
  align-items: center;
  gap: 20px;
  background: transparent;
  border: 1px solid transparent;
  padding: 22px 20px;
  border-radius: 8px;
  text-align: left;
}
.workflow-steps button > span:last-child {
  margin-left: auto;
}
.workflow-steps button[aria-selected="true"] {
  background: var(--card);
  border-color: var(--line);
}
.step-num {
  font-family: Consolas, monospace;
  font-size: 12px;
  color: var(--muted);
}
.workflow-steps strong {
  display: block;
  font-weight: 550;
  font-size: 19px;
  letter-spacing: -0.5px;
}
.workflow-steps small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.workflow-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 32px;
  min-height: 410px;
}
.panel-kicker {
  font-size: 11px;
  color: var(--muted);
}
.workflow-panel h3 {
  margin-top: 22px;
  font-size: 26px;
  max-width: 360px;
}
.workflow-panel > p {
  color: var(--muted);
  margin-top: 16px;
  font-size: 14px;
}
.workflow-panel pre {
  color: var(--accent);
  font-size: 12px;
  line-height: 1.9;
  padding: 22px;
  background: var(--surface);
  border-radius: 8px;
  margin-top: 24px;
}
.workflow-panel .panel-note {
  font-size: 11px;
}
.architecture-note {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  color: var(--muted);
}
.architecture-note span {
  font-weight: 600;
  color: var(--ink);
}
.architecture-note b {
  margin-inline: 10px;
  font-weight: 400;
}
.model-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.8fr;
  gap: 100px;
}
.model-options article {
  padding-block: 25px;
  border-bottom: 1px solid var(--line);
}
.model-options article:first-child {
  padding-top: 0;
}
.model-options h3 {
  font-size: 23px;
  letter-spacing: -0.7px;
}
.model-options p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 12px;
  max-width: 470px;
}
.model-options code {
  display: inline-block;
  font-size: 12px;
  margin-top: 14px;
  color: var(--accent);
}
.model-callout {
  background: var(--soft);
  padding: 36px;
  border-radius: var(--radius);
}
.large-type {
  font-size: 48px;
  line-height: 1.02;
  letter-spacing: -2px;
  color: var(--accent);
}
.model-callout p {
  font-size: 14px;
  color: var(--muted);
  margin-top: 22px;
}
.model-callout .text-link {
  margin-top: 26px;
}
.research-section {
  border-top: 1px solid var(--line);
}
.evidence-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
}
.test-count {
  font-size: 88px;
  line-height: 1;
  letter-spacing: -6px;
  color: var(--accent);
}
.test-evidence h3 {
  font-size: 20px;
  margin-top: 12px;
  letter-spacing: -0.5px;
}
.test-evidence p {
  max-width: 330px;
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
}
.test-evidence .text-link {
  margin-top: 24px;
}
.boundaries {
  border-left: 1px solid var(--line);
  padding-left: 40px;
}
.boundaries h3 {
  font-size: 24px;
}
.boundaries ul {
  margin-top: 24px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  display: grid;
  gap: 17px;
}
.start-section {
  background: var(--surface);
}
.start-layout {
  display: grid;
  grid-template-columns: 0.75fr 1.3fr;
  gap: 60px;
}
.start-layout h3 {
  font-size: 24px;
}
.start-layout p {
  font-size: 14px;
  color: var(--muted);
  max-width: 340px;
  margin-top: 16px;
}
.start-layout .button {
  margin-top: 25px;
}
.code-block {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  min-width: 0;
}
.code-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
}
.copy-button {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface);
  padding: 7px 10px;
  font-size: 11px;
}
.code-block pre {
  padding: 22px;
  font-size: 12px;
  line-height: 2;
  color: var(--accent);
  white-space: pre;
  overflow: auto;
}
.code-block #copy-status {
  font-size: 11px;
  margin: 0;
  padding: 0 22px 12px;
  min-height: 25px;
  max-width: none;
}
.release-note {
  font-size: 11px;
  color: var(--muted);
  margin-top: 28px;
}
.faq {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}
.faq h2 {
  font-size: 37px;
  max-width: 320px;
}
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 21px 0;
}
.faq details:first-child {
  padding-top: 0;
}
.faq summary {
  cursor: pointer;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.5;
}
.faq details p {
  font-size: 13px;
  color: var(--muted);
  margin-top: 16px;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.site-footer p,
.site-footer > a:last-child {
  font-size: 11px;
  color: var(--muted);
}
@media (max-width: 1024px) {
  .container {
    width: calc(100% - 64px);
  }
  .nav-shell {
    padding-inline: 32px;
  }
  nav {
    gap: 20px;
  }
  .hero {
    gap: 24px;
    min-height: 540px;
  }
  h1 {
    font-size: 58px;
  }
  .button-row {
    gap: 20px;
  }
  .feature-desktop {
    gap: 24px;
    grid-template-columns: 0.8fr 1fr;
  }
  .feature {
    padding: 26px;
  }
  .workflow-layout,
  .model-layout {
    gap: 36px;
  }
  .start-layout,
  .evidence-layout {
    gap: 45px;
  }
  .faq {
    gap: 40px;
  }
  .section {
    padding-block: 75px;
  }
}
@media (max-width: 767px) {
  .container {
    width: calc(100% - 40px);
  }
  .nav-shell {
    height: 68px;
    padding-inline: 20px;
    gap: 12px;
  }
  .brand {
    font-size: 18px;
  }
  .brand-mark {
    width: 30px;
    line-height: 30px;
    font-size: 22px;
  }
  .menu-button {
    display: block;
    border: 0;
    background: transparent;
    padding: 12px;
    font-size: 12px;
    margin-left: auto;
  }
  .theme-button {
    min-width: 32px;
  }
  .site-header nav {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 68px;
    background: var(--bg);
    padding: 20px;
    border-bottom: 1px solid var(--line);
    margin: 0;
    gap: 24px;
    align-items: stretch;
  }
  .site-header nav[data-open="true"] {
    display: flex;
    flex-direction: column;
  }
  .nav-cta {
    justify-content: space-between;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 44px 35px;
    gap: 35px;
    min-height: 0;
  }
  .eyebrow {
    font-size: 10px;
    margin-bottom: 20px;
  }
  h1 {
    font-size: clamp(43px, 10.5vw, 66px);
  }
  .hero-description {
    font-size: 15px;
    margin-top: 22px;
    max-width: 340px;
  }
  .button-row {
    margin-top: 26px;
    gap: 20px;
  }
  .button {
    padding: 14px 18px;
  }
  .hero-art {
    aspect-ratio: 1.5;
  }
  .principles {
    grid-template-columns: 1fr;
    gap: 20px;
    padding-block: 26px;
  }
  .principles p {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 15px;
    align-items: baseline;
  }
  .principles strong {
    font-size: 12px;
  }
  .principles span {
    font-size: 11px;
  }
  .section {
    padding-block: 60px;
  }
  .section-heading {
    margin-bottom: 30px;
  }
  .section-heading > p:not(.eyebrow) {
    font-size: 14px;
  }
  h2 {
    font-size: 35px;
  }
  .capability-grid,
  .feature-desktop,
  .workflow-layout,
  .model-layout,
  .evidence-layout,
  .start-layout,
  .faq {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .feature {
    padding: 25px;
  }
  .feature h3 {
    font-size: 28px;
  }
  .feature-copy {
    padding-top: 0;
  }
  .feature-desktop {
    gap: 30px;
  }
  .feature-desktop .product-shot {
    margin-inline: -10px;
  }
  .feature p:not(.surface-label) {
    font-size: 13px;
  }
  .workflow-steps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .workflow-steps button {
    padding: 14px 10px;
    gap: 9px;
  }
  .workflow-steps strong {
    font-size: 14px;
    letter-spacing: -0.3px;
  }
  .workflow-steps small {
    display: none;
  }
  .workflow-steps button > span:last-child {
    display: none;
  }
  .step-num {
    font-size: 10px;
  }
  .workflow-panel {
    padding: 25px;
    min-height: 410px;
  }
  .workflow-panel h3 {
    font-size: 26px;
  }
  .workflow-panel pre {
    padding: 16px;
    font-size: 11px;
  }
  .architecture-note {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .architecture-note b {
    margin-inline: 4px;
  }
  .model-callout {
    padding: 30px;
  }
  .large-type {
    font-size: 43px;
  }
  .evidence-layout {
    gap: 35px;
  }
  .boundaries {
    padding-left: 0;
    border-left: 0;
    padding-top: 30px;
    border-top: 1px solid var(--line);
  }
  .test-count {
    font-size: 75px;
  }
  .test-evidence p {
    max-width: 400px;
  }
  .start-layout {
    gap: 28px;
  }
  .code-block pre {
    font-size: 11px;
    padding: 18px;
  }
  .release-note {
    font-size: 11px;
    line-height: 1.7;
  }
  .faq h2 {
    font-size: 34px;
  }
  .faq summary {
    font-size: 14px;
  }
  .site-footer {
    flex-wrap: wrap;
    padding-block: 26px;
    gap: 18px;
  }
  .site-footer p {
    order: 3;
    flex-basis: 100%;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}