:root {
  color-scheme: light;
  --ink: #172126;
  --ink-deep: #10171b;
  --paper: var(--white);
  --white: #fff;
  --muted: #5e6b70;
  --line: #cbd2d0;
  --signal: #e4523f;
  --signal-dark: #bc382b;
  --accent: #f4b2a5;
  --accent-wash: #fcf5f3;
  --cyan: #8bd1d7;
  --radius-control: 0.375rem;

  --radius-surface: 0.375rem;
  --display: "Roboto", sans-serif;
  --body: "Roboto", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", monospace;
  --content: 1320px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

a:hover {
  color: var(--signal-dark);
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--cyan);
  outline-offset: 4px;
}

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

h1,
h2,
h3 {
  font-family: var(--display);
  font-weight: 600;
  line-height: 1.12;
}

.section-shell {
  width: min(calc(100% - 64px), var(--content));
  margin-inline: auto;
}

.section-space {
  padding-block: 92px;
}

.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  color: var(--white);
  background: var(--ink-deep);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--white);
  text-decoration: none;
}

.brand:hover {
  color: var(--white);
}

.brand img {
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand-name {
  font-family: var(--display);
  font-size: 19px;
  font-weight: 600;
}

.primary-nav ul {
  display: flex;
  align-items: center;
  gap: 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.primary-nav a {
  color: #dce1dd;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.primary-nav a:hover {
  color: var(--accent);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  border: 1px solid #657075;
  border-radius: var(--radius-control);
  color: var(--white);
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:first-child {
  transform: translateY(4px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink-deep);
  isolation: isolate;
}

.hero::before {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(
    90deg,
    #000 0%,
    rgba(0, 0, 0, 0.72) 70%,
    transparent 100%
  );
}

.hero-layout {
  min-height: 610px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: 60px;
  padding-block: 76px 88px;
}

.hero-copy {
  animation: rise-in 650ms ease-out both;
}

.hero h1 {
  max-width: 780px;
  margin-bottom: 26px;
  color: var(--white);
  font-size: 68px;
  line-height: 1.02;
}

.hero h1 span {
  display: block;
  margin-top: 8px;
  color: var(--accent);
}

.hero-code-art {
  position: relative;
  width: 100%;
  max-width: 430px;
  justify-self: end;
  margin: 0;
  animation: rise-in 720ms ease-out both;
}

.hero-code-art::before,
.hero-code-art::after {
  position: absolute;
  z-index: 1;
  width: 22px;
  height: 22px;
  content: "";
  pointer-events: none;
}

.hero-code-art::before {
  top: -5px;
  right: -5px;
  border-top: 3px solid var(--accent);
  border-right: 3px solid var(--accent);
  border-top-right-radius: 8px;
}

.hero-code-art::after {
  bottom: -5px;
  left: -5px;
  border-bottom: 3px solid var(--signal);
  border-left: 3px solid var(--signal);
  border-bottom-left-radius: 8px;
}

.hero-code-image,
.workflow-image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.hero-code-image {
  opacity: 0.9;
}

.hero-lead {
  max-width: 640px;
  margin-bottom: 32px;
  color: #c4ccca;
  font-size: 18px;
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  min-height: 49px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition:
    background-color 160ms ease,
    border-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.button-primary {
  color: var(--white);
  background: var(--signal);
}

.button-primary:hover {
  color: var(--white);
  background: var(--signal-dark);
}

.button-secondary {
  border-color: #59656a;
  color: var(--white);
  background: rgba(255, 255, 255, 0.035);
}

.button-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.intro-section {
  background: var(--paper);
}

.intro-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1fr);
  align-items: center;
  gap: 90px;
  padding-block: 92px;
}

.intro-layout h2,
.section-heading h2,
.use-cases-heading h2,
.resource-section h2,
.faq-layout > h2 {
  margin-bottom: 0;
  font-size: 42px;
}

.intro-layout h2 {
  max-width: 520px;
}

.intro-layout p {
  margin-bottom: 0;
  padding-left: 24px;
  border-left: 3px solid var(--signal);
  color: var(--muted);
  font-size: 19px;
  line-height: 1.7;
}

.feature-section {
  background: var(--accent-wash);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 48px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  column-gap: 72px;
}

.feature-item {
  position: relative;
  min-height: 205px;
  padding: 30px 0 34px 56px;
  border-top: 1px solid #aeb9b5;
}

.feature-index {
  position: absolute;
  top: 34px;
  left: 0;
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
}

.feature-item h3 {
  margin-bottom: 13px;
  font-size: 23px;
}

.feature-item p {
  max-width: 520px;
  margin-bottom: 0;
  color: #526065;
}

.workflow-section {
  background: var(--white);
}

.use-cases-heading {
  max-width: 100%;
  margin-bottom: 48px;
}

.use-cases-heading h2 {
  margin-bottom: 15px;
}

.use-cases-heading p {
  max-width: 900px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 18px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
}

.use-case {
  min-width: 0;
  padding-top: 21px;
  border-top: 3px solid var(--signal);
}

.use-case-heading {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 16px;
}

.use-case-index,
.use-case-tag {
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
}

.use-case h3 {
  margin: 7px 0 0;
  font-size: 24px;
}

.use-case-tag {
  flex: 0 0 auto;
  padding: 5px 7px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  color: var(--muted);
}

.use-case-description {
  min-height: 54px;
  max-width: 520px;
  margin: 16px 0 20px;
  color: var(--muted);
  line-height: 1.55;
}

.resource-section {
  background: var(--accent-wash);
}

.resource-section h2 {
  margin-bottom: 44px;
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.explore-resource {
  min-height: 174px;
  padding: 8px 34px 10px 0;
}

.explore-resource + .explore-resource {
  padding-left: 34px;
  border-left: 1px solid rgba(23, 33, 38, 0.3);
}

.explore-resource h3 {
  margin-bottom: 12px;
  font-size: 21px;
}

.explore-resource p {
  max-width: 320px;
  min-height: 52px;
  margin-bottom: 18px;
  color: #414d4a;
}

.explore-resource a {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  text-decoration-thickness: 2px;
}

.explore-resource a:hover {
  color: var(--signal-dark);
}

.faq-section {
  background: var(--paper);
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(230px, 0.7fr) minmax(0, 1.3fr);
  align-items: start;
  gap: 80px;
}

.faq-layout > h2 {
  max-width: 350px;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  padding: 19px 42px 19px 0;
  color: var(--ink);
  cursor: pointer;
  font-family: var(--display);
  font-size: 17px;
  font-weight: 500;
  list-style: none;
}

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

.faq-item summary::after {
  position: absolute;
  top: 50%;
  right: 4px;
  content: "+";
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 25px;
  transform: translateY(-50%);
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 680px;
  padding: 0 42px 20px 0;
  color: var(--muted);
}

.faq-answer a {
  color: var(--signal-dark);
  font-weight: 600;
}

.site-footer {
  color: #d3d9d6;
  background: var(--ink-deep);
}

.footer-inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
}

.footer-inner a {
  color: var(--accent);
}

.legal-title {
  padding-block: 74px 68px;
  background: var(--accent-wash);
}

.legal-title .section-shell {
  max-width: 850px;
}

.legal-title h1 {
  margin-bottom: 14px;
  font-size: 54px;
}

.legal-title p {
  margin-bottom: 0;
  color: var(--muted);
}

.legal-body {
  min-height: calc(100vh - 260px);
  background: var(--white);
}

.legal-document {
  max-width: 850px;
  margin-inline: auto;
  padding-block: 64px 96px;
  color: var(--muted);
}

.legal-document h2 {
  margin: 44px 0 12px;
  color: var(--ink);
  font-size: 25px;
}

.legal-document p,
.legal-document li {
  line-height: 1.8;
}

.legal-document ul {
  padding-left: 24px;
}

.legal-document li {
  padding-left: 4px;
}

.legal-document strong {
  color: var(--ink);
}

.legal-document a {
  color: var(--signal-dark);
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1050px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(290px, 0.8fr);
    gap: 36px;
  }

  .hero h1 {
    font-size: 56px;
  }

  .intro-layout {
    gap: 54px;
  }

  .faq-layout {
    gap: 46px;
  }
}

@media (max-width: 760px) {
  .section-shell {
    width: min(calc(100% - 44px), var(--content));
  }

  .section-space,
  .intro-layout {
    padding-block: 68px;
  }

  .header-inner {
    position: relative;
    min-height: 70px;
  }

  .nav-toggle {
    display: flex;
  }

  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    padding: 12px 22px 20px;
    border-top: 1px solid #394348;
    background: var(--ink-deep);
  }

  .primary-nav.is-open {
    display: block;
  }

  .primary-nav ul {
    align-items: stretch;
    flex-direction: column;
    gap: 0;
  }

  .primary-nav li + li {
    border-top: 1px solid #394348;
  }

  .primary-nav a {
    display: block;
    padding-block: 13px;
  }

  .hero-layout {
    min-height: 0;
    grid-template-columns: 1fr;
    gap: 42px;
    padding-block: 64px 72px;
  }

  .hero-code-art {
    display: none;
  }

  .hero h1 {
    max-width: 620px;
    font-size: 52px;
  }

  .intro-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .intro-layout h2,
  .section-heading h2,
  .use-cases-heading h2,
  .resource-section h2,
  .faq-layout > h2 {
    font-size: 36px;
  }

  .feature-grid {
    column-gap: 34px;
  }

  .feature-item {
    min-height: 230px;
  }

  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .use-case-description {
    min-height: 0;
  }

  .resource-grid {
    grid-template-columns: 1fr;
  }

  .explore-resource,
  .explore-resource + .explore-resource {
    min-height: auto;
    padding: 22px 0;
    border: 0;
    border-top: 1px solid rgba(23, 33, 38, 0.3);
  }

  .explore-resource p {
    min-height: 0;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .legal-title {
    padding-block: 58px 48px;
  }

  .legal-title h1 {
    font-size: 44px;
  }

  .legal-document {
    padding-block: 48px 72px;
  }
}

@media (max-width: 520px) {
  .section-shell {
    width: min(calc(100% - 36px), var(--content));
  }

  .hero-layout {
    gap: 34px;
    padding-block: 50px 56px;
  }

  .hero h1 {
    font-size: 42px;
    line-height: 1.06;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .section-space,
  .intro-layout {
    padding-block: 54px;
  }

  .intro-layout h2,
  .section-heading h2,
  .use-cases-heading h2,
  .resource-section h2,
  .faq-layout > h2 {
    font-size: 32px;
  }

  .intro-layout p {
    padding-left: 17px;
    font-size: 17px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-item {
    min-height: 0;
    padding-block: 25px 29px;
  }

  .feature-item h3,
  .use-case h3 {
    font-size: 21px;
  }

  .use-case-heading {
    flex-direction: column;
    gap: 10px;
  }

  .use-case-tag {
    order: -1;
  }

  .footer-inner {
    min-height: 102px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
  }

  .legal-title h1 {
    font-size: 38px;
  }

  .legal-document h2 {
    font-size: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
