/* ============================================================
   Articles page — matches home page design language (style.css)
   ============================================================ */

/* ---------- Layout shell ---------- */
.articles-shell {
  max-width: 1160px;
  margin: 0 auto;
}

/* Tighten the space between the sticky top nav and the page content.
   style.css reserves clamp(76px, 9vw, 128px) for full-width home sections;
   standalone pages only need breathing room, not a hero-scale gap. */
@media (min-width: 1024px) {
  .content-section {
    padding-top: clamp(22px, 2.5vw, 38px);
    padding-bottom: clamp(56px, 7vw, 96px);
  }
}

/* ---------- Header block ---------- */
.articles-shell .section-label {
  display: block;
  margin-bottom: 18px;
}

.articles-shell h1 {
  max-width: 720px;
  font-size: clamp(36px, 4.6vw, 58px);
  line-height: 1.04;
  letter-spacing: -0.025em;
  font-weight: 900;
}

.articles-shell .lede {
  max-width: 640px;
  margin-top: 20px;
  color: var(--section-copy);
  font-size: 17px;
  line-height: 1.7;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
  margin-bottom: 26px;
}

.breadcrumbs ol {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font:
    400 11px "DM Mono",
    monospace;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--muted);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

.breadcrumbs [aria-current="page"] {
  color: var(--ink);
}

/* ---------- Articles grid (home hairline-grid style) ---------- */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 56px;
  background: var(--line);
  border: 1px solid var(--line);
}

.articles-grid .card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-height: 240px;
  padding: 30px 30px 28px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
  transition:
    background 0.25s ease,
    box-shadow 0.25s ease,
    translate 0.25s var(--ease-out);
}

.articles-grid .card:hover {
  position: relative;
  z-index: 1;
  translate: 0 -5px;
  background: var(--paper);
  box-shadow: var(--shadow-2);
}

/* 6-card grid stays balanced: no full-width final cell. */
.articles-grid .card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  width: 100%;
  margin-top: auto;
  padding-top: 22px;
}

.articles-grid .card-meta {
  color: var(--muted);
  font:
    400 10.5px "DM Mono",
    monospace;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.articles-grid .card .label {
  display: inline-block;
  margin-bottom: 18px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  color: var(--accent-text);
  font:
    500 10px "DM Mono",
    monospace;
  text-transform: uppercase;
  letter-spacing: 0.6px;
}

.articles-grid .card h2 {
  max-width: 520px;
  font-size: 21px;
  line-height: 1.28;
  letter-spacing: -0.02em;
  font-weight: 800;
  transition: color 0.2s;
}

.articles-grid .card p {
  max-width: 460px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13.5px;
  line-height: 1.65;
}

.articles-grid .card-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: auto;
  padding-top: 22px;
  color: var(--ink);
  font:
    600 10.5px "DM Mono",
    monospace;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.2s;
}

.articles-grid .card-foot .card-action {
  margin-top: 0;
  padding-top: 0;
}

.articles-grid .card-action .icon {
  font-size: 12px;
  transition: translate 0.2s var(--ease-out);
}

.articles-grid .card:hover .card-action {
  color: var(--accent-text);
}

.articles-grid .card:hover .card-action .icon {
  translate: 2px -2px;
}

/* ---------- Support note ---------- */
.articles-support {
  max-width: 620px;
  margin-top: 40px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.articles-support a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 3px;
  transition: color 0.2s, text-decoration-color 0.2s;
}

.articles-support a:hover {
  color: var(--accent-text);
  text-decoration-color: currentColor;
}

/* ---------- Article library (planned guides by phase) ---------- */
.article-library {
  margin-top: 72px;
}

.article-library h2 {
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
}

.library-intro {
  max-width: 640px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.library-group {
  border-top: 1px solid var(--line);
}

.library-group:last-child {
  border-bottom: 1px solid var(--line);
}

.library-group summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
}

.library-group summary::-webkit-details-marker {
  display: none;
}

.library-group summary:focus-visible {
  outline: 2px solid var(--accent-text);
  outline-offset: 3px;
}

.library-phase {
  color: var(--accent-text);
  font: 500 10px "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.library-name {
  flex: 1;
  min-width: 220px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.library-count {
  color: var(--muted);
  font: 400 10.5px "DM Mono", monospace;
  letter-spacing: 0.3px;
}

.library-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 32px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.library-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dotted var(--line);
}

.library-list a {
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s;
}

.library-list a:hover {
  color: var(--accent-text);
}

.library-status {
  flex: none;
  padding: 3px 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xs);
  color: var(--muted);
  font: 500 9px "DM Mono", monospace;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.library-status.is-published {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  color: var(--accent-text);
}

@media (max-width: 760px) {
  .library-list {
    grid-template-columns: 1fr;
  }

  .library-name {
    min-width: 0;
    font-size: 14px;
  }
}

/* ---------- CTA band (home services-cta style) ---------- */
.articles-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  margin-top: 72px;
  padding: clamp(30px, 4vw, 46px);
  background: var(--ink);
  color: var(--paper);
}

.articles-cta .section-label {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
}

.articles-cta h2 {
  max-width: 460px;
  font-size: clamp(25px, 2.8vw, 38px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.articles-cta h2 em {
  color: var(--accent);
  font-style: normal;
}

.articles-cta p {
  max-width: 420px;
  margin-top: 14px;
  color: color-mix(in srgb, var(--paper) 72%, transparent);
  font-size: 13.5px;
  line-height: 1.65;
}

.articles-cta .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex: none;
}

.articles-cta .cta-primary,
.articles-cta .cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 14px 18px;
  font:
    600 10.5px "DM Mono",
    monospace;
  letter-spacing: 0.6px;
  text-decoration: none;
  text-transform: uppercase;
  transition:
    translate 0.2s var(--ease-out),
    background 0.2s,
    color 0.2s,
    border-color 0.2s,
    box-shadow 0.2s;
}

.articles-cta .cta-primary {
  background: var(--accent);
  color: var(--accent-contrast);
}

.articles-cta .cta-primary:hover {
  translate: 0 -2px;
  box-shadow: 0 10px 26px rgba(255, 92, 0, 0.28);
}

.articles-cta .cta-secondary {
  border: 1px solid color-mix(in srgb, var(--paper) 40%, transparent);
  color: var(--paper);
}

.articles-cta .cta-secondary:hover {
  translate: 0 -2px;
  background: var(--paper);
  color: var(--ink);
}

.articles-cta .cta-primary .icon,
.articles-cta .cta-secondary .icon {
  font-size: 13px;
}

:root[data-theme="dark"] .articles-cta .cta-primary:hover {
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.4);
}

/* ---------- Dark mode adjustments ---------- */

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .articles-grid {
    grid-template-columns: 1fr;
  }

  .articles-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 430px) {
  .articles-grid .card {
    min-height: 0;
    padding: 26px 22px 24px;
  }

  .articles-grid .card h2 {
    font-size: 19px;
  }

  .articles-cta .cta-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .articles-cta .cta-primary,
  .articles-cta .cta-secondary {
    justify-content: center;
  }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .articles-grid .card,
  .articles-grid .card .card-action .icon,
  .articles-cta .cta-primary,
  .articles-cta .cta-secondary {
    transition: none;
  }
}