:root {
  --paper: #f6f0e3;
  --paper-strong: #fffaf1;
  --ink: #1f1a17;
  --muted: #6d6259;
  --line: #d7cbb8;
  --accent: #a64024;
  --accent-soft: #ead2c7;
  --panel: rgba(255, 250, 241, 0.84);
  --shadow: 0 18px 40px rgba(69, 44, 22, 0.08);
  --radius: 18px;
  --serif: Iowan Old Style, Palatino Linotype, Book Antiqua, Georgia, serif;
  --sans: Avenir Next, Segoe UI, Helvetica Neue, Arial, sans-serif;
  --mono: SFMono-Regular, Menlo, Consolas, Monaco, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(166, 64, 36, 0.14), transparent 28rem),
    radial-gradient(circle at bottom right, rgba(83, 101, 86, 0.12), transparent 24rem),
    linear-gradient(180deg, #efe5d4 0%, var(--paper) 40%, #efe8da 100%);
  font-family: var(--sans);
  line-height: 1.65;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(121, 89, 56, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(121, 89, 56, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 92%);
}

a {
  color: var(--accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.16em;
}

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

pre {
  padding: 1rem 1.1rem;
  overflow-x: auto;
  background: #201c19;
  color: #f7f0e5;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

code {
  font-size: 0.94em;
}

pre code {
  background: transparent;
  padding: 0;
}

:not(pre) > code {
  padding: 0.12rem 0.38rem;
  background: rgba(109, 98, 89, 0.09);
  border-radius: 6px;
}

.page-shell {
  width: min(1100px, calc(100vw - 2rem));
  margin: 1rem auto 2rem;
}

.site-header,
.site-footer,
.doc-page,
.search-panel,
.list-card,
.card-link {
  backdrop-filter: blur(10px);
}

.site-header {
  position: sticky;
  top: 1rem;
  z-index: 10;
  margin-bottom: 1.25rem;
  padding: 1rem 1.2rem;
  background: var(--panel);
  border: 1px solid rgba(127, 106, 84, 0.2);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow);
}

.brand-row,
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
}

.brand {
  display: inline-flex;
  gap: 0.8rem;
  align-items: center;
  color: var(--ink);
  text-decoration: none;
}

.brand strong,
h1,
h2,
h3 {
  font-family: var(--serif);
}

.brand span {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand small,
.meta,
.eyebrow,
.search-hint,
.list-meta,
.footer-links a {
  color: var(--muted);
}

.header-actions,
.site-nav,
.footer-links,
.tag-row,
.list-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.header-link,
.site-nav a {
  text-decoration: none;
}

.everlock-mermaid {
  overflow-x: auto;
}

.everlock-mermaid .mermaid:not(.mermaid-ready) {
  visibility: hidden;
}

.everlock-mermaid .mermaid.mermaid-ready {
  visibility: visible;
}

.site-nav {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
}

.site-nav a {
  padding: 0.38rem 0.72rem;
  border-radius: 999px;
}

.site-nav a:hover,
.header-link:hover,
.tag-chip:hover,
.footer-links a:hover {
  background: rgba(166, 64, 36, 0.08);
}

.page-main {
  min-height: 60vh;
}

.doc-page,
.search-panel {
  padding: 1.6rem;
  background: rgba(255, 251, 244, 0.78);
  border: 1px solid rgba(127, 106, 84, 0.18);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.doc-header {
  margin-bottom: 1.6rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.1;
}

h3 {
  font-size: 1.2rem;
}

.prose > :first-child {
  margin-top: 0;
}

.prose img {
  max-width: 100%;
  height: auto;
}

.mermaid-wrap {
  margin: 1.4rem 0;
  padding: 0.9rem;
  background: rgba(255, 255, 255, 0.54);
  border: 1px solid rgba(127, 106, 84, 0.16);
  border-radius: 16px;
  overflow-x: auto;
}

.mermaid {
  display: flex;
  justify-content: center;
  min-width: 620px;
  margin: 0;
  background: transparent;
  box-shadow: none;
  color: inherit;
  padding: 0;
  overflow: visible;
  white-space: pre-wrap;
}

.mermaid svg {
  max-width: 100%;
  height: auto;
}

.mermaid-caption {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.94rem;
}

.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
}

.prose th,
.prose td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.prose blockquote {
  margin: 1.3rem 0;
  padding: 0.2rem 0 0.2rem 1rem;
  border-left: 4px solid var(--accent);
  color: var(--muted);
}

.callout {
  margin: 1.2rem 0;
  padding: 0.95rem 1rem;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(166, 64, 36, 0.08), rgba(166, 64, 36, 0.03));
}

.callout strong {
  display: block;
  margin-bottom: 0.25rem;
}

.callout-warning {
  background: linear-gradient(180deg, rgba(187, 122, 29, 0.14), rgba(187, 122, 29, 0.05));
}

.callout-success {
  background: linear-gradient(180deg, rgba(61, 116, 84, 0.14), rgba(61, 116, 84, 0.05));
}

.tag-chip,
.list-meta a {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: rgba(166, 64, 36, 0.08);
  text-decoration: none;
}

.related-block,
.section-intro,
.list-stack {
  margin-top: 1.8rem;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card-link,
.list-card {
  display: block;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.46);
  border: 1px solid rgba(127, 106, 84, 0.16);
  border-radius: 16px;
  box-shadow: 0 8px 22px rgba(69, 44, 22, 0.05);
}

.card-link {
  text-decoration: none;
  color: inherit;
}

.card-link strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--ink);
}

.card-link span {
  color: var(--muted);
}

.list-stack {
  display: grid;
  gap: 1rem;
}

.list-card h2 {
  margin-top: 0;
  margin-bottom: 0.45rem;
  font-size: 1.45rem;
}

.post-list {
  list-style: none;
  margin: 1.8rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.post-list-item {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.post-list-item:first-child {
  border-top: 1px solid var(--line);
}

.post-date {
  flex-shrink: 0;
  min-width: 6.5rem;
  color: var(--muted);
  font-size: 0.88rem;
  font-family: var(--mono);
}

.pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1rem;
  margin-top: 1.6rem;
  align-items: center;
}

.pager a:last-child {
  justify-self: end;
}

.search-lead {
  max-width: 42rem;
}

.search-panel {
  margin-bottom: 1rem;
}

.search-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.search-box {
  width: 100%;
  padding: 0.9rem 1rem;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.search-box:focus {
  outline: 2px solid rgba(166, 64, 36, 0.3);
  border-color: var(--accent);
}

.site-footer {
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  background: rgba(255, 251, 244, 0.72);
  border: 1px solid rgba(127, 106, 84, 0.18);
  border-radius: var(--radius);
}

.footer-links a {
  text-decoration: none;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100vw - 1rem, 1100px);
    margin: 0.5rem auto 1rem;
  }

  .site-header {
    position: static;
  }

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

  .doc-page,
  .search-panel {
    padding: 1.15rem;
  }

  .mermaid {
    min-width: 560px;
  }
}

/* ─── Home landing page ───────────────────────────────────────────────── */

.home-hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
}

.hero-lock-wrap {
  margin-bottom: 1.8rem;
}

.hero-lock {
  border-radius: 24px;
  box-shadow: 0 12px 40px rgba(166, 64, 36, 0.22);
}

.hero-eyebrow {
  margin: 0 0 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-headline {
  margin: 0 0 1.5rem;
  font-family: var(--serif);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.04;
  color: var(--ink);
}

.hero-tagline {
  max-width: 46rem;
  margin: 0 auto 2.2rem;
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  color: var(--muted);
  line-height: 1.65;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-block;
  padding: 0.85rem 2rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 4px 18px rgba(166, 64, 36, 0.35);
  transition: opacity 0.15s, box-shadow 0.15s;
}

.btn-primary:hover {
  opacity: 0.88;
  box-shadow: 0 6px 26px rgba(166, 64, 36, 0.45);
  color: #fff;
}

.btn-ghost {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  color: var(--accent);
  text-decoration: none;
  border: 1.5px solid rgba(166, 64, 36, 0.38);
  border-radius: 999px;
  font-weight: 500;
  font-size: 1rem;
  transition: background 0.15s, border-color 0.15s;
}

.btn-ghost:hover {
  background: rgba(166, 64, 36, 0.06);
  border-color: var(--accent);
  color: var(--accent);
}

/* Values */

.home-values {
  padding: 0.5rem 0 1.5rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
}

.value-card {
  padding: 1.5rem;
  background: rgba(255, 250, 241, 0.82);
  border: 1px solid rgba(127, 106, 84, 0.18);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.value-icon {
  display: block;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.value-card h3 {
  margin: 0 0 0.55rem;
  font-family: var(--serif);
  font-size: 1.15rem;
  color: var(--ink);
}

.value-card p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--muted);
  line-height: 1.65;
}

/* Services */

.home-services {
  padding: 2rem 0 1.5rem;
  text-align: center;
}

.services-headline {
  margin: 0 0 0.5rem;
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
}

.services-sub {
  margin: 0 0 2rem;
  color: var(--muted);
  font-size: 1rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  text-align: left;
}

.service-card {
  display: block;
  padding: 1.25rem 1.35rem;
  background: rgba(255, 250, 241, 0.78);
  border: 1px solid rgba(127, 106, 84, 0.18);
  border-radius: var(--radius);
  box-shadow: 0 6px 18px rgba(69, 44, 22, 0.05);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s, border-color 0.15s, transform 0.12s;
}

.service-card:hover {
  border-color: rgba(166, 64, 36, 0.38);
  box-shadow: 0 12px 32px rgba(69, 44, 22, 0.1);
  transform: translateY(-2px);
  color: inherit;
}

.service-icon {
  display: block;
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 0.55rem;
  opacity: 0.85;
}

.service-card:hover .service-icon {
  opacity: 1;
}

.service-card strong {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
}

.service-card span {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.55;
}

/* Install */

.home-install {
  padding: 2.5rem 0 1.5rem;
  text-align: center;
}

.install-inner {
  max-width: 56rem;
  margin: 0 auto;
}

.home-install h2 {
  margin: 0 0 0.45rem;
}

.home-install > .install-inner > p:first-of-type {
  color: var(--muted);
  margin: 0 0 1.1rem;
}

.install-block {
  display: block;
  text-align: left;
  margin: 0 0 1.4rem;
}

.install-note {
  max-width: 42rem;
  margin: 0 auto 1.8rem;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.6;
}

/* Dogfood callout */

.home-dogfood {
  margin: 2rem 0 1rem;
  padding: 1.1rem 1.4rem;
  background: rgba(166, 64, 36, 0.05);
  border: 1px solid rgba(166, 64, 36, 0.18);
  border-radius: 14px;
  font-size: 0.93rem;
  color: var(--muted);
  line-height: 1.6;
}

.home-dogfood strong {
  color: var(--ink);
}

@media (max-width: 760px) {
  .home-hero {
    padding: 3rem 0 2.5rem;
  }

  .values-grid,
  .services-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 520px) {
  .values-grid,
  .services-grid {
    grid-template-columns: 1fr;
  }
}