:root {
  color-scheme: dark;
  --bg: #061017;
  --panel: #0a1821;
  --panel-soft: #0d2029;
  --line: rgba(111, 181, 173, 0.24);
  --line-strong: rgba(111, 221, 184, 0.42);
  --text: #e3f0eb;
  --muted: #9ab3ad;
  --accent: #70dfb0;
  --accent-strong: #b6f5dc;
  --mono: "IBM Plex Mono", Consolas, monospace;
  --sans: "Space Grotesk", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    linear-gradient(rgba(72, 154, 145, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 154, 145, 0.045) 1px, transparent 1px),
    radial-gradient(circle at 20% 0%, rgba(29, 101, 82, 0.16), transparent 34rem),
    var(--bg);
  background-size: 42px 42px, 42px 42px, auto, auto;
  font-family: var(--mono);
  line-height: 1.7;
}

a {
  color: var(--accent-strong);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #ffffff;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -5rem;
  padding: 0.65rem 0.9rem;
  color: #04130e;
  background: var(--accent);
  z-index: 10;
}

.skip-link:focus {
  top: 1rem;
}

.page-shell {
  width: min(1060px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.site-name {
  color: var(--text);
  font-family: var(--sans);
  font-weight: 700;
  text-decoration: none;
}

.site-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem 1rem;
  font-size: 0.86rem;
}

.site-links a {
  color: var(--muted);
  text-decoration: none;
}

.site-links a[aria-current="page"],
.site-links a:hover {
  color: var(--accent);
}

.hero {
  padding: clamp(4rem, 9vw, 7.5rem) 0 3.5rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow,
.prompt {
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: var(--sans);
  line-height: 1.14;
}

h1 {
  max-width: 19ch;
  margin: 0.6rem 0 1.2rem;
  font-size: clamp(2.45rem, 7vw, 5.4rem);
  letter-spacing: -0.045em;
}

h2 {
  margin-top: 0;
  font-size: clamp(1.65rem, 4vw, 2.5rem);
  letter-spacing: -0.025em;
}

h3 {
  margin-bottom: 0.35rem;
  color: var(--accent-strong);
  font-size: 1.05rem;
}

.lede {
  max-width: 72ch;
  margin: 0;
  color: #c4d7d1;
  font-size: clamp(1.05rem, 2.4vw, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.7rem;
}

.button {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--text);
  background: rgba(11, 31, 37, 0.72);
  text-decoration: none;
}

.button-primary {
  border-color: transparent;
  color: #041b13;
  background: var(--accent);
  font-weight: 700;
}

.content {
  padding: 3.5rem 0 5rem;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(250px, 0.75fr);
  gap: 2rem;
  align-items: start;
}

.prose section + section {
  margin-top: 3.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--line);
}

.prose p,
.prose li {
  color: #b8ccc5;
}

.prose strong {
  color: var(--text);
}

.prose ul {
  padding-left: 1.2rem;
}

.prose li + li {
  margin-top: 0.45rem;
}

.aside-card,
.service-card,
.cta {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(155deg, rgba(13, 34, 40, 0.86), rgba(7, 20, 27, 0.94));
}

.aside-card {
  position: sticky;
  top: 1rem;
  padding: 1.2rem;
}

.aside-card p,
.aside-card li {
  color: var(--muted);
  font-size: 0.9rem;
}

.aside-card ul {
  padding-left: 1.1rem;
}

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

.service-card {
  padding: 1.25rem;
}

.service-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.service-card a {
  text-decoration: none;
}

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

.article-card {
  padding: 1.35rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(155deg, rgba(13, 34, 40, 0.86), rgba(7, 20, 27, 0.94));
}

.article-card h2 {
  margin-bottom: 0.55rem;
  font-size: clamp(1.3rem, 3vw, 1.8rem);
}

.article-card h2 a {
  text-decoration: none;
}

.article-meta,
.article-card p,
.article-intro {
  color: var(--muted);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  margin: 0 0 0.8rem;
  font-size: 0.8rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.32fr);
  gap: 2.4rem;
  align-items: start;
}

.article-body {
  min-width: 0;
}

.article-body h2 {
  margin-top: 3.3rem;
  padding-top: 0.4rem;
}

.article-body h3 {
  margin-top: 2rem;
}

.article-body p,
.article-body li {
  color: #b8ccc5;
}

.article-body code {
  color: #d8f5ea;
  font-family: var(--mono);
}

.article-body pre {
  overflow-x: auto;
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #030b10;
  color: #c5e8dc;
  font: 0.88rem/1.65 var(--mono);
  white-space: pre;
}

.article-body pre code {
  color: inherit;
}

.callout {
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  background: rgba(12, 36, 38, 0.7);
}

.article-toc {
  position: sticky;
  top: 1rem;
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(7, 20, 27, 0.92);
}

.article-toc p {
  margin-top: 0;
}

.article-toc ol {
  padding-left: 1.15rem;
}

.article-toc li + li {
  margin-top: 0.5rem;
}

.article-toc a {
  color: var(--muted);
  font-size: 0.84rem;
  text-decoration: none;
}

.article-toc a:hover {
  color: var(--accent);
}

.terminal-block {
  overflow-x: auto;
  margin: 1.5rem 0;
  padding: 1rem 1.15rem;
  border-left: 3px solid var(--accent);
  color: #c5e8dc;
  background: #07131a;
  white-space: pre-wrap;
}

.cta {
  margin-top: 3.5rem;
  padding: clamp(1.4rem, 5vw, 2.4rem);
}

.cta p {
  max-width: 65ch;
}

.site-footer {
  padding: 1.5rem 0 2.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  .site-nav,
  .content-grid,
  .article-layout {
    display: block;
  }

  .site-links {
    justify-content: flex-start;
    margin-top: 0.75rem;
  }

  .aside-card {
    position: static;
    margin-top: 2rem;
  }

  .article-toc {
    position: static;
    margin-top: 2rem;
  }

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

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