/* ============================================================
   FERNODE — guides and long-form article pages
   Loaded after style.css on the homepage and guide pages.
   ============================================================ */

.guides-section {
  width: min(1380px, calc(100% - 48px));
  margin: 0 auto;
  padding: 0 0 150px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.guide-card {
  min-height: 220px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel);
  transition: transform .3s, border-color .3s, background .3s;
}

.guide-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  background: var(--panel-2);
}

.guide-card-index {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .12em;
}

.guide-card h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.12;
  letter-spacing: -.04em;
  font-weight: 600;
}

.guide-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.guide-card-meta {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: #8f8f97;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

/* ---------- Article pages ---------- */

.guide-page {
  background:
    radial-gradient(circle at 82% 0%, rgba(131, 168, 255, .11), transparent 34rem),
    var(--bg);
}

.guide-header {
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 26px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.guide-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.guide-nav a {
  color: var(--muted-strong);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .06em;
  text-transform: uppercase;
}

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

.guide-main {
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  padding: 34px 24px 80px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 26px;
  color: #8f8f97;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.breadcrumbs a {
  color: var(--accent);
}

.breadcrumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.guide-main h1 {
  max-width: 18ch;
  margin: 0 0 18px;
  font-size: clamp(38px, 5vw, 62px);
  line-height: 1;
  letter-spacing: -.06em;
  font-weight: 500;
}

.guide-lede {
  max-width: 70ch;
  margin: 0 0 20px;
  color: var(--muted-strong);
  font-size: 17px;
  line-height: 1.7;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-bottom: 34px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  color: #8f8f97;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 240px;
  align-items: start;
  gap: 44px;
}

.guide-layout > * {
  min-width: 0;
}

.guide-toc {
  position: sticky;
  top: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.guide-toc strong {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.guide-toc ol {
  margin: 0;
  padding: 0 0 0 16px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.guide-toc li + li {
  margin-top: 7px;
}

.guide-toc a:hover {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content {
  max-width: 72ch;
  min-width: 0;
}

.article-content section + section {
  margin-top: 38px;
}

.article-content h2 {
  margin: 40px 0 12px;
  font-size: clamp(24px, 2.4vw, 31px);
  line-height: 1.12;
  letter-spacing: -.04em;
  font-weight: 600;
}

.article-content h2:first-child {
  margin-top: 0;
}

.article-content h3 {
  margin: 26px 0 8px;
  font-size: 18px;
  line-height: 1.25;
  letter-spacing: -.03em;
  font-weight: 700;
}

.article-content p,
.article-content li {
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.85;
}

.article-content p {
  margin: 0 0 14px;
}

.article-content ul,
.article-content ol {
  margin: 0 0 18px;
  padding-left: 22px;
}

.article-content li + li {
  margin-top: 6px;
}

.article-content strong {
  color: var(--text);
  font-weight: 700;
}

.article-content a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-content a:hover {
  color: #b8ceff;
}

.article-content code {
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .07);
  color: #c7d7ff;
  font-family: var(--font-mono);
  font-size: .92em;
}

.article-content pre {
  margin: 0 0 18px;
  padding: 16px 18px;
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #0c0c0f;
}

.article-content pre code {
  padding: 0;
  background: none;
  color: #c9d7f5;
  font-size: 12px;
  line-height: 1.75;
}

.article-content table {
  width: 100%;
  max-width: 100%;
  margin: 0 0 20px;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  font-size: 13px;
}

.article-content th,
.article-content td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-content th {
  background: var(--panel-2);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.article-content td {
  color: var(--muted);
}

.article-content tr:last-child td {
  border-bottom: 0;
}

.callout {
  margin: 0 0 20px;
  padding: 16px 18px;
  border: 1px solid var(--warn-line);
  border-left: 2px solid #ffd399;
  border-radius: 0 12px 12px 0;
  background: var(--warn-bg);
}

.callout p {
  margin: 0;
  color: var(--warn-ink);
  font-size: 14px;
}

.callout strong {
  color: #ffe4bd;
}

.steps {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps > li {
  position: relative;
  margin: 0 0 20px;
  padding-left: 46px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
}

.steps > li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  top: 1px;
  left: 0;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--panel-2);
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
}

.steps > li strong {
  display: block;
  margin-bottom: 2px;
  color: var(--text);
}

.article-ad {
  margin: 34px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
}

.article-ad .ad-head {
  margin-bottom: 8px;
}

.article-ad .adsbygoogle {
  display: block;
  min-height: 90px;
}

.guide-related {
  margin-top: 52px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

.guide-related h2 {
  margin: 0 0 16px;
  font-size: 18px;
  letter-spacing: -.03em;
}

.related-list {
  display: grid;
  gap: 10px;
}

.related-list a {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  font-size: 14px;
  font-weight: 600;
}

.related-list a:hover {
  border-color: var(--line-strong);
  background: var(--panel-2);
}

.related-list span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

@media (max-width: 900px) {
  .guide-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .guide-toc {
    position: static;
    order: -1;
  }

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

@media (max-width: 640px) {
  .guides-section {
    width: calc(100% - 32px);
    padding-bottom: 100px;
  }

  .guide-header,
  .guide-main {
    padding-left: 18px;
    padding-right: 18px;
  }

  .guide-main {
    padding-top: 24px;
  }

  .guide-main h1 {
    font-size: 38px;
  }

  .guide-lede {
    font-size: 15px;
  }

  .article-content p,
  .article-content li {
    font-size: 14.5px;
  }

  .article-content h2 {
    margin-top: 32px;
  }

  .article-content table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }

  .guide-card {
    min-height: 0;
    padding: 22px;
  }
}