:root {
  --bg: #f5f4ef;
  --surface: #fffdfa;
  --surface-strong: #f0eee6;
  --surface-alt: #ebe8de;
  --ink: #182025;
  --muted: #526067;
  --line: rgba(24, 32, 37, 0.12);
  --line-strong: rgba(24, 32, 37, 0.18);
  --accent: #1c7a67;
  --accent-deep: #0f5c4c;
  --accent-soft: rgba(28, 122, 103, 0.12);
  --shadow: 0 18px 50px rgba(19, 32, 30, 0.08);
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1160px;
  --container-narrow: 780px;
  --serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", "Times New Roman", serif;
  --sans: "Avenir Next", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", "SF Mono", "JetBrains Mono", "Cascadia Code", "Consolas", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(28, 122, 103, 0.07), transparent 25rem),
    linear-gradient(180deg, #fbfaf6 0%, var(--bg) 65%, #f8f7f2 100%);
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
}

code,
pre {
  font-family: var(--mono);
}

pre {
  margin: 0;
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fcfbf7;
  overflow-x: auto;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

code {
  font-size: 0.95em;
}

pre code {
  font-size: 0.92rem;
}

.container {
  width: min(calc(100% - 2rem), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 2rem), var(--container-narrow));
}

.section {
  padding: 5.5rem 0;
}

.section-alt {
  position: relative;
}

.section-alt::before {
  content: "";
  position: absolute;
  inset: 1rem auto 1rem 50%;
  width: min(calc(100% - 2rem), var(--container));
  transform: translateX(-50%);
  border: 1px solid rgba(24, 32, 37, 0.08);
  border-radius: 32px;
  background: rgba(255, 253, 250, 0.72);
  box-shadow: var(--shadow);
  pointer-events: none;
}

.section-alt > .container {
  position: relative;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(16px);
  background: rgba(245, 244, 239, 0.84);
  border-bottom: 1px solid rgba(24, 32, 37, 0.08);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.75rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-wordmark {
  color: var(--ink);
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.site-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--ink);
}

.hero {
  padding-top: 4.5rem;
}

.hero-grid,
.audience-grid,
.integration-grid,
.install-grid {
  display: grid;
  gap: 2rem;
}

.hero-grid {
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
}

.hero-copy {
  max-width: 40rem;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--accent-deep);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.1;
}

h1,
h2 {
  font-family: var(--serif);
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.9rem, 6vw, 5rem);
  max-width: 13ch;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  max-width: 18ch;
}

h3 {
  font-size: 1.16rem;
}

.lead {
  margin: 1.4rem 0 0;
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 42rem;
}

.scope-note,
.install-note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 3rem;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 600;
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow);
}

.button-secondary,
.button-hf {
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

.button-logo {
  width: 1.6rem;
  height: 1.6rem;
  flex: 0 0 auto;
}

.hero-visual img {
  width: 100%;
  height: auto;
  border-radius: 30px;
  border: 1px solid rgba(24, 32, 37, 0.08);
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.section-heading {
  margin-bottom: 2rem;
  text-align: center;
}

.section-heading.left-aligned {
  text-align: left;
}

.section-heading p {
  margin-bottom: 0.7rem;
}

.section-heading h2 {
  margin-inline: auto;
}

.section-heading.left-aligned h2 {
  margin-inline: 0;
}

.feature-grid,
.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

.feature-card,
.workflow-card,
.stat-panel,
.interface-card,
.dependency-note,
.cta-panel,
.citation-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 253, 250, 0.9);
  box-shadow: var(--shadow);
}

.feature-card,
.workflow-card,
.interface-card,
.dependency-note {
  padding: 1.4rem;
}

.feature-card {
  min-height: 15rem;
}

.feature-card p,
.workflow-card p,
.dependency-note p,
.faq-list p,
.site-footer p,
.audience-list li,
.interface-list li,
.citation-intro {
  color: var(--muted);
}

.feature-card code,
.workflow-card code,
.interface-card code {
  color: var(--accent-deep);
}

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

.workflow-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.workflow-card pre {
  margin-top: auto;
}

.card-label {
  display: inline-flex;
  width: fit-content;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.audience-grid {
  grid-template-columns: minmax(0, 1fr) 320px;
  align-items: start;
}

.audience-list,
.interface-list {
  margin: 0;
  padding-left: 1.2rem;
}

.audience-list li + li,
.interface-list li + li {
  margin-top: 0.85rem;
}

.stat-panel {
  display: grid;
  gap: 1rem;
  padding: 1.4rem;
  background:
    linear-gradient(180deg, rgba(28, 122, 103, 0.08), transparent 45%),
    rgba(255, 253, 250, 0.9);
}

.stat-item {
  display: grid;
  gap: 0.25rem;
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(24, 32, 37, 0.08);
}

.stat-item strong {
  font-size: 2rem;
  font-family: var(--serif);
  color: var(--accent-deep);
}

.integration-grid,
.install-grid {
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: start;
}

.integration-copy {
  padding: 1.2rem 1.4rem 1.2rem 1.2rem;
  border-radius: var(--radius-lg);
}

.install-block {
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.dependency-note h3,
.interface-card h3 {
  margin-bottom: 0.8rem;
}

.faq-list {
  display: grid;
  gap: 0.9rem;
}

.faq-list details {
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 253, 250, 0.88);
  box-shadow: var(--shadow);
}

.faq-list summary {
  cursor: pointer;
  font-weight: 600;
  list-style: none;
}

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

.faq-list p {
  margin: 0.9rem 0 0;
}

.final-cta {
  padding-top: 4rem;
}

.citation-card {
  padding: 1.5rem;
}

.citation-intro {
  margin: 0 0 1rem;
}

.cta-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.4rem;
  padding: 1.75rem;
  background:
    radial-gradient(circle at top right, rgba(28, 122, 103, 0.12), transparent 16rem),
    rgba(255, 253, 250, 0.94);
}

.site-footer {
  padding: 1.5rem 0 2rem;
  border-top: 1px solid rgba(24, 32, 37, 0.08);
}

.footer-inner {
  flex-wrap: wrap;
}

.footer-inner p {
  margin: 0;
  font-size: 0.95rem;
}

@media (max-width: 1080px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .workflow-grid,
  .hero-grid,
  .audience-grid,
  .integration-grid,
  .install-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 4rem 0;
  }

  .section-alt::before {
    inset: 0.5rem auto 0.5rem 50%;
    border-radius: 24px;
  }

  .header-inner {
    padding: 0.7rem 0;
    align-items: flex-start;
  }

  .site-nav {
    gap: 0.75rem;
  }

  h1 {
    font-size: 2.55rem;
  }

  h2 {
    font-size: 2rem;
  }

  .lead {
    font-size: 1.02rem;
  }

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

  .cta-panel,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}