:root {
  color-scheme: light;
  --guide-accent: #596be8;
  --guide-accent-dark: #3949b9;
  --guide-text: #202534;
  --guide-muted: #626b7d;
  --guide-line: #e5e8f0;
  --guide-surface: #ffffff;
  --guide-background: #f5f6fb;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--guide-background);
  color: var(--guide-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

a {
  color: var(--guide-accent-dark);
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

.guide-site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(32, 37, 52, 0.08);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(16px);
}

.guide-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(1080px, calc(100% - 32px));
  min-height: 64px;
  margin: 0 auto;
  gap: 24px;
}

.guide-brand {
  color: var(--guide-text);
  font-size: 18px;
  font-weight: 750;
  text-decoration: none;
  white-space: nowrap;
}

.guide-nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.guide-nav-links a {
  color: #4d5668;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

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

.guide-shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.guide-index-hero {
  padding: 72px 0 44px;
  text-align: center;
}

.guide-eyebrow {
  margin: 0 0 10px;
  color: var(--guide-accent-dark);
  font-size: 14px;
  font-weight: 750;
  letter-spacing: 0.08em;
}

.guide-index-hero h1 {
  max-width: 760px;
  margin: 0 auto 18px;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.guide-index-hero p:last-child {
  max-width: 700px;
  margin: 0 auto;
  color: var(--guide-muted);
  font-size: 18px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  padding-bottom: 72px;
}

.guide-card {
  overflow: hidden;
  border: 1px solid var(--guide-line);
  border-radius: 20px;
  background: var(--guide-surface);
  box-shadow: 0 12px 30px rgba(48, 55, 90, 0.06);
}

.guide-card > a {
  display: grid;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.guide-card img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--guide-line);
  object-fit: cover;
}

.guide-card-copy {
  padding: 24px;
}

.guide-card-tag {
  color: var(--guide-accent-dark);
  font-size: 13px;
  font-weight: 750;
}

.guide-card h2 {
  margin: 8px 0 10px;
  font-size: 22px;
  line-height: 1.35;
}

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

.guide-article {
  width: min(800px, calc(100% - 32px));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.guide-breadcrumb {
  margin-bottom: 26px;
  color: var(--guide-muted);
  font-size: 14px;
}

.guide-breadcrumb a {
  text-decoration: none;
}

.guide-article header h1 {
  margin: 8px 0 16px;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.guide-deck {
  margin: 0 0 18px;
  color: var(--guide-muted);
  font-size: 19px;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-bottom: 30px;
  color: #727b8e;
  font-size: 14px;
}

.guide-hero-image {
  width: 100%;
  margin: 0 0 32px;
  overflow: hidden;
  border: 1px solid var(--guide-line);
  border-radius: 20px;
  background: #edf0ff;
}

.guide-hero-image img {
  width: 100%;
}

figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--guide-line);
  background: white;
  color: var(--guide-muted);
  font-size: 13px;
  text-align: center;
}

.guide-summary,
.guide-note,
.guide-warning {
  margin: 28px 0;
  padding: 20px 22px;
  border-radius: 14px;
}

.guide-summary {
  border: 1px solid #dce1ff;
  background: #f0f2ff;
}

.guide-note {
  border-left: 4px solid #5d71ed;
  background: #f5f6ff;
}

.guide-warning {
  border-left: 4px solid #e39a35;
  background: #fff7e8;
}

.guide-summary p,
.guide-note p,
.guide-warning p {
  margin: 0;
}

.guide-article h2 {
  margin: 48px 0 14px;
  font-size: 28px;
  line-height: 1.3;
}

.guide-article h3 {
  margin: 32px 0 10px;
  font-size: 21px;
  line-height: 1.4;
}

.guide-article p,
.guide-article li {
  color: #3e4657;
}

.guide-article li + li {
  margin-top: 8px;
}

.guide-article code {
  padding: 0.12em 0.35em;
  border-radius: 5px;
  background: #ebeef5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.guide-table-wrap {
  margin: 24px 0;
  overflow-x: auto;
  border: 1px solid var(--guide-line);
  border-radius: 14px;
  background: white;
}

.guide-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.guide-table th,
.guide-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--guide-line);
  text-align: left;
  vertical-align: top;
}

.guide-table th {
  background: #f6f7fb;
  color: #31394a;
  font-size: 14px;
}

.guide-table tr:last-child td {
  border-bottom: 0;
}

.guide-inline-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.guide-inline-figures figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--guide-line);
  border-radius: 14px;
  background: white;
}

.guide-inline-figures img {
  width: 100%;
}

.guide-related {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--guide-line);
}

.guide-related h2 {
  margin-top: 0;
  font-size: 22px;
}

.guide-related ul {
  padding-left: 1.25rem;
}

.guide-footer {
  padding: 28px 16px 42px;
  border-top: 1px solid var(--guide-line);
  color: var(--guide-muted);
  font-size: 14px;
  text-align: center;
}

@media (max-width: 680px) {
  .guide-nav {
    min-height: 56px;
  }

  .guide-nav-links {
    gap: 14px;
  }

  .guide-nav-links a {
    font-size: 13px;
  }

  .guide-index-hero {
    padding: 48px 0 32px;
  }

  .guide-index-hero p:last-child,
  .guide-deck {
    font-size: 17px;
  }

  .guide-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    padding-bottom: 48px;
  }

  .guide-card-copy {
    padding: 20px;
  }

  .guide-article {
    padding-top: 36px;
  }

  .guide-article h2 {
    margin-top: 40px;
    font-size: 25px;
  }

  .guide-inline-figures {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 380px) {
  .guide-nav {
    width: min(100% - 24px, 1080px);
  }

  .guide-brand {
    font-size: 16px;
  }

  .guide-nav-links a:last-child {
    display: none;
  }
}