:root {
  --canvas: #f3eee2;
  --ink: #112923;
  --muted: #51615a;
  --line: rgba(17, 41, 35, 0.12);
  --accent: #0f5d4d;
  --accent-strong: #0b4338;
  --accent-soft: rgba(15, 93, 77, 0.11);
  --warn: #8e4d17;
  --card: rgba(255, 250, 241, 0.84);
  --card-strong: rgba(255, 252, 247, 0.94);
  --danger: #a84432;
  --shadow: 0 24px 70px rgba(17, 41, 35, 0.12);
  --radius: 24px;
  --font-sans: "Avenir Next", "Trebuchet MS", "Segoe UI", sans-serif;
  --font-serif: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", "Consolas", monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-sans);
  background:
    radial-gradient(circle at top left, rgba(163, 112, 52, 0.24), transparent 28%),
    radial-gradient(circle at 85% 10%, rgba(15, 93, 77, 0.22), transparent 32%),
    linear-gradient(180deg, #fbf6eb 0%, #efe2cc 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(17, 41, 35, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 41, 35, 0.035) 1px, transparent 1px);
  background-size: 30px 30px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

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

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

.page-shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 20px 0 48px;
}

.hero {
  padding: 24px;
  border: 1px solid rgba(17, 41, 35, 0.1);
  border-radius: 34px;
  background:
    radial-gradient(circle at top left, rgba(15, 93, 77, 0.12), transparent 28%),
    linear-gradient(145deg, rgba(255, 252, 247, 0.94), rgba(247, 237, 216, 0.88));
  box-shadow: var(--shadow);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
}

.brand-block {
  display: flex;
  gap: 14px;
  align-items: center;
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fbf6eb;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.topbar h1,
.hero-copy h2,
.section-heading h2 {
  margin: 0;
  font-family: var(--font-serif);
}

.topbar h1 {
  font-size: 2rem;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 8px;
  color: var(--muted);
}

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

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(300px, 0.9fr);
  gap: 28px;
  margin-top: 34px;
}

.hero-kicker {
  margin: 0 0 10px;
  color: var(--warn);
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero-copy h2 {
  font-size: clamp(2.7rem, 6vw, 4.9rem);
  line-height: 0.92;
}

.lede {
  max-width: 740px;
  font-size: 1.08rem;
  line-height: 1.75;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 34px rgba(17, 41, 35, 0.14);
}

.button-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fbf6eb;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--line);
}

.signal-list,
.comparison-card ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.65;
}

.copy-list {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.75;
}

.prose {
  max-width: 920px;
  color: var(--muted);
  line-height: 1.75;
}

.prose p {
  margin: 0 0 14px;
}

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

.panel-card,
.problem-card,
.timeline-step,
.comparison-card,
.importance-card,
.install-shell,
.faq-list details,
.feature-card,
.subpage-hero {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.panel-card {
  padding: 18px;
}

.panel-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-copy {
  margin: 0;
  line-height: 1.65;
}

.panel-code pre,
.install-shell pre {
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.section {
  margin-top: 34px;
  padding: 30px 24px;
}

.section-heading {
  margin-bottom: 22px;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 0.98;
}

.problem-grid,
.importance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.problem-card,
.importance-card {
  padding: 20px;
}

.problem-card h3,
.comparison-card h3,
.importance-card h3,
.timeline-step h3 {
  margin-top: 0;
  margin-bottom: 10px;
}

.problem-card p,
.importance-card p,
.timeline-step p,
.contrast-note {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.timeline-step {
  position: relative;
  padding: 20px;
}

.step-index {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}

.section-contrast {
  background:
    radial-gradient(circle at top left, rgba(168, 82, 39, 0.08), transparent 30%),
    rgba(255, 250, 243, 0.68);
  border-radius: 30px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.comparison-card {
  padding: 22px;
}

.comparison-bad {
  border-color: rgba(168, 68, 50, 0.2);
}

.comparison-good {
  border-color: rgba(15, 93, 77, 0.2);
}

.contrast-note {
  margin-top: 18px;
  font-weight: 600;
}

.install-band {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 20px;
  align-items: start;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(15, 93, 77, 0.08), rgba(255, 248, 236, 0.82));
}

.install-shell {
  padding: 20px;
  background: rgba(15, 31, 27, 0.95);
  color: #f4eee2;
}

.faq-shell {
  padding-bottom: 12px;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  padding: 16px 18px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 700;
}

.faq-list p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.subpage-hero {
  padding: 24px;
  margin-top: 10px;
  background:
    radial-gradient(circle at top left, rgba(15, 93, 77, 0.08), transparent 28%),
    linear-gradient(145deg, rgba(255, 252, 247, 0.94), rgba(247, 237, 216, 0.88));
}

.breadcrumb {
  margin: 18px 0 8px;
  color: var(--muted);
  font-size: 0.94rem;
}

.section-stack {
  display: grid;
  gap: 0;
}

.page-card-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.compact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card {
  display: block;
  padding: 22px;
}

.feature-card h3 {
  margin: 0 0 10px;
}

.feature-card p:last-child {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

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

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-top: 26px;
  padding: 0 6px;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (max-width: 980px) {
  .hero-grid,
  .problem-grid,
  .timeline,
  .importance-grid,
  .install-band,
  .page-card-grid,
  .compact-grid,
  .three-up {
    grid-template-columns: 1fr;
  }

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

  .topbar,
  .site-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 18px, 100%);
    padding-top: 10px;
  }

  .hero,
  .section {
    padding: 20px 16px;
  }

  .hero-copy h2 {
    font-size: 2.55rem;
  }
}