:root {
  color-scheme: light;
  --ink: #17201b;
  --ink-soft: #4e5a52;
  --paper: #fbfaf5;
  --paper-strong: #fffdf7;
  --line: #d8d0bf;
  --field: #262c28;
  --field-line: #4a504a;
  --green: #2f7d55;
  --green-dark: #1f5d3f;
  --rust: #b65f3b;
  --amber: #d9ad4f;
  --teal: #397a7a;
  --shadow: 0 22px 60px rgba(23, 32, 27, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

code,
pre {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--paper-strong);
  color: var(--ink);
  padding: 8px 12px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 5vw;
  color: var(--paper-strong);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--paper-strong);
  color: var(--green-dark);
  font-weight: 900;
}

.nav-links {
  gap: 24px;
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  color: rgba(255, 253, 247, 0.88);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--paper-strong);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.hero {
  position: relative;
  display: grid;
  min-height: 76svh;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(23, 32, 27, 0.9), rgba(23, 32, 27, 0.68) 43%, rgba(23, 32, 27, 0.22)),
    url("assets/openclaw-office-hero.png") center right / cover no-repeat;
}

.hero-overlay {
  position: absolute;
  inset: auto 0 0;
  height: 160px;
  background: linear-gradient(180deg, rgba(251, 250, 245, 0), var(--paper));
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(720px, 90vw);
  align-self: center;
  padding: 118px 0 82px 5vw;
  color: var(--paper-strong);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--rust);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f2c86f;
}

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

h1 {
  max-width: 700px;
  margin-bottom: 18px;
  font-size: 76px;
  line-height: 0.95;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 16px;
  font-size: 42px;
  line-height: 1.08;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 28px;
  color: rgba(255, 253, 247, 0.9);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 10px 16px;
  font-weight: 800;
  text-decoration: none;
}

.button-primary {
  background: var(--amber);
  color: #1e1b13;
}

.button-primary:hover,
.button-primary:focus {
  background: #efc66a;
}

.button-secondary {
  border-color: rgba(255, 253, 247, 0.58);
  color: var(--paper-strong);
}

.button-secondary:hover,
.button-secondary:focus {
  background: rgba(255, 253, 247, 0.12);
}

.hero-command {
  display: inline-flex;
  max-width: 100%;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 253, 247, 0.25);
  border-radius: 8px;
  background: rgba(10, 14, 12, 0.64);
  box-shadow: var(--shadow);
  padding: 10px;
}

.hero-command code {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #f7efd9;
  font-size: 14px;
}

.copy-button {
  flex: 0 0 auto;
  border: 0;
  border-radius: 6px;
  background: var(--green);
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 850;
  padding: 8px 10px;
}

.copy-button:hover,
.copy-button:focus {
  background: var(--green-dark);
}

.section {
  padding: 88px 5vw;
}

.section-inner {
  width: min(1120px, 100%);
  margin: 0 auto;
}

.section-inner,
.section-heading,
.install-layout,
.install-steps,
.step,
.step > div,
.command-block,
.secret-note,
.capability-card,
.example-item,
.link-card {
  min-width: 0;
}

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

.section-heading {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-heading p {
  color: var(--ink-soft);
  font-size: 18px;
}

.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.capability-card,
.link-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-strong);
  padding: 22px;
}

.capability-card {
  min-height: 190px;
}

.card-kicker,
.example-label {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  line-height: 1.2;
  text-transform: uppercase;
}

.capability-card p,
.example-item p,
.link-card span {
  color: var(--ink-soft);
}

.section-install {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #f1eadc;
}

.install-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(0, 1.25fr);
  gap: 42px;
  align-items: start;
}

.install-steps {
  display: grid;
  gap: 16px;
}

.step {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper-strong);
  padding: 18px;
}

.step-number {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 8px;
  background: var(--green);
  color: #fff;
  font-weight: 900;
}

.step-note {
  margin: 0 0 14px;
  color: var(--ink-soft);
}

.secret-note {
  margin-top: 14px;
  border: 1px solid rgba(47, 125, 85, 0.34);
  border-radius: 8px;
  background: #edf5ed;
  padding: 14px;
}

.secret-note h4 {
  margin: 0 0 6px;
  color: var(--green-dark);
  font-size: 15px;
  line-height: 1.25;
}

.secret-note p {
  margin: 0 0 12px;
  color: var(--ink-soft);
}

.doc-note {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.doc-note a {
  color: var(--green-dark);
  font-weight: 800;
}

.command-block {
  overflow: hidden;
  border: 1px solid var(--field-line);
  border-radius: 8px;
  background: var(--field);
}

.command-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--field-line);
  padding: 9px 10px 9px 14px;
  color: #efe8d7;
  font-size: 13px;
  font-weight: 800;
}

pre {
  margin: 0;
  max-width: 100%;
  overflow-x: auto;
  padding: 14px;
  color: #f7efd9;
  font-size: 13px;
  line-height: 1.55;
}

.example-list {
  display: grid;
  gap: 14px;
}

.example-item {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding: 22px 0;
}

.example-item p {
  margin-bottom: 0;
  font-size: 19px;
}

.safety-band {
  background: var(--ink);
  color: var(--paper-strong);
}

.safety-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
  gap: 42px;
  align-items: start;
}

.safety-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.safety-list li {
  border-left: 4px solid var(--amber);
  background: rgba(255, 253, 247, 0.08);
  padding: 12px 14px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.link-card {
  display: grid;
  gap: 8px;
  min-height: 150px;
  text-decoration: none;
}

.link-card:hover,
.link-card:focus {
  border-color: var(--green);
  box-shadow: 0 12px 30px rgba(47, 125, 85, 0.14);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  border-top: 1px solid var(--line);
  padding: 28px 5vw;
  color: var(--ink-soft);
  font-size: 14px;
}

.copy-status {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  max-width: 280px;
  transform: translateY(160%);
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper-strong);
  opacity: 0;
  padding: 12px 14px;
  transition: opacity 160ms ease, transform 160ms ease;
}

.copy-status.is-visible {
  transform: translateY(0);
  opacity: 1;
}

@media (max-width: 900px) {
  .site-header {
    position: absolute;
    align-items: flex-start;
    padding-top: 18px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px 16px;
  }

  .hero {
    min-height: auto;
    background-position: center;
  }

  .hero-content {
    width: min(680px, 90vw);
    padding-top: 126px;
  }

  h1 {
    font-size: 54px;
  }

  h2 {
    font-size: 34px;
  }

  .capability-grid,
  .install-layout,
  .safety-layout,
  .link-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    display: block;
  }

  .brand {
    margin-bottom: 14px;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero-content {
    padding-top: 152px;
    padding-bottom: 64px;
  }

  h1 {
    font-size: 42px;
    line-height: 1;
  }

  h2 {
    font-size: 29px;
  }

  .hero-copy,
  .section-heading p,
  .example-item p {
    font-size: 16px;
  }

  .hero-command {
    display: grid;
    width: 100%;
  }

  .hero-command .copy-button {
    width: 100%;
  }

  .section {
    padding: 64px 5vw;
  }

  .step,
  .example-item {
    grid-template-columns: 1fr;
  }

  .step-number {
    width: 38px;
    height: 38px;
  }
}

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