:root {
  --bg: #f5f0e7;
  --bg-strong: #e7ddcd;
  --surface: rgba(255, 255, 255, 0.58);
  --surface-strong: rgba(255, 255, 255, 0.9);
  --ink: #121826;
  --ink-soft: #495261;
  --rule: rgba(18, 24, 38, 0.16);
  --accent: #8ad161;
  --accent-deep: #1f3b31;
  --shadow: 0 24px 70px rgba(18, 24, 38, 0.1);
  --radius: 28px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(138, 209, 97, 0.18), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(31, 59, 49, 0.12), transparent 24%),
    linear-gradient(180deg, #fbf8f2 0%, var(--bg) 36%, #efe7da 100%);
  font-family: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(18, 24, 38, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(18, 24, 38, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  opacity: 0.55;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.page-shell {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0 48px;
  position: relative;
}

.site-header {
  position: sticky;
  top: 12px;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 14px 18px;
  margin-bottom: 18px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: rgba(248, 243, 235, 0.84);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 40px rgba(18, 24, 38, 0.08);
}

.brand img {
  width: 232px;
  height: auto;
}

.site-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.site-nav a {
  position: relative;
  padding-bottom: 6px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease,
    background-color 180ms ease,
    color 180ms ease;
}

.nav-cta {
  padding: 12px 18px;
  background: var(--ink);
  color: #f8f7f4;
  box-shadow: 0 12px 24px rgba(18, 24, 38, 0.18);
}

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

.section {
  padding: 38px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--surface);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  position: relative;
  overflow: clip;
}

.section + .section {
  margin-top: 18px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
  gap: 28px;
  min-height: 72vh;
  align-items: center;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto -12% -30% auto;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(138, 209, 97, 0.34), rgba(138, 209, 97, 0));
}

.eyebrow {
  margin: 0 0 14px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  font-size: 0.76rem;
  color: var(--ink-soft);
}

h1,
h2,
h3,
summary {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  line-height: 1.05;
  margin: 0;
}

h1 {
  font-size: clamp(3.25rem, 5vw, 5.5rem);
  max-width: 10ch;
}

h2 {
  font-size: clamp(2rem, 3.2vw, 3.15rem);
  max-width: 16ch;
}

h3,
summary {
  font-size: 1.38rem;
}

p,
li {
  line-height: 1.7;
  color: var(--ink-soft);
  font-size: 1rem;
}

.hero-text {
  max-width: 54ch;
  font-size: 1.12rem;
  margin: 18px 0 28px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 28px;
}

.button {
  padding: 14px 22px;
}

.button-primary {
  background: var(--ink);
  color: #fbf8f2;
  box-shadow: 0 16px 24px rgba(18, 24, 38, 0.18);
}

.button-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(18, 24, 38, 0.18);
}

.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.hero-points li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-points li::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-deep));
  flex: none;
}

.hero-panel {
  display: grid;
  gap: 16px;
}

.terminal-card,
.insight-note,
.info-card,
.example-card,
.path-step,
.faq-list details,
.signal-strip {
  border-radius: 24px;
  border: 1px solid rgba(18, 24, 38, 0.14);
  background: var(--surface-strong);
}

.terminal-card {
  padding: 18px;
  background:
    linear-gradient(180deg, #121826 0%, #182133 100%);
  color: #f7f7f4;
  box-shadow: 0 24px 40px rgba(18, 24, 38, 0.22);
}

.terminal-top {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
}

.terminal-top span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: rgba(245, 240, 231, 0.75);
}

.terminal-card p {
  margin: 0 0 10px;
  font-family: Menlo, Monaco, "SFMono-Regular", monospace;
  color: inherit;
}

.terminal-muted {
  color: rgba(247, 247, 244, 0.68);
}

.insight-note {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.section-head {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

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

.info-card,
.example-card,
.path-step,
.faq-list details {
  padding: 22px;
}

.info-card p,
.example-card p,
.path-step p {
  margin: 14px 0 0;
}

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

.path-step {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 18px;
  align-items: start;
}

.step-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(138, 209, 97, 0.32), rgba(31, 59, 49, 0.18));
  color: var(--ink);
  font-family: Menlo, Monaco, "SFMono-Regular", monospace;
  font-size: 0.95rem;
}

pre {
  margin: 16px 0 0;
  padding: 18px;
  border-radius: 18px;
  background: #f1ece3;
  overflow-x: auto;
}

code {
  font-family: Menlo, Monaco, "SFMono-Regular", monospace;
  font-size: 0.94rem;
  color: #223049;
}

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 18px 22px;
  background:
    linear-gradient(135deg, rgba(18, 24, 38, 0.95), rgba(31, 59, 49, 0.9));
}

.signal-strip p {
  margin: 0;
  color: #f9f7f2;
  text-align: center;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

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

.faq-list details[open] {
  box-shadow: inset 0 0 0 1px rgba(18, 24, 38, 0.04);
}

summary {
  cursor: pointer;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  margin: 14px 0 0;
  max-width: 64ch;
}

.site-footer {
  display: grid;
  gap: 8px;
  justify-items: center;
  padding: 32px 0 12px;
  text-align: center;
}

.footer-tagline,
.footer-meta {
  margin: 0;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr;
    justify-items: center;
    border-radius: 32px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .card-grid,
  .examples-grid,
  .signal-strip {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 20px, 1160px);
  }

  .brand img {
    width: 190px;
  }

  .section {
    padding: 24px;
    border-radius: 22px;
  }

  h1 {
    font-size: clamp(2.6rem, 14vw, 4rem);
  }

  h2 {
    max-width: none;
  }

  .path-step {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .footer-links {
    width: 100%;
  }

  .hero-actions .button,
  .nav-cta {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}