/* Cardetail1 Guides — consultative blog / FAQ surface */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
[hidden] { display: none !important; }
.blog-topic-nav {
  position: relative;
  z-index: 850;
  background: rgba(14, 22, 34, 0.98);
  border-bottom: 1px solid rgba(77, 163, 255, 0.16);
  padding: 10px 16px;
}
.blog-topic-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.blog-topic-link {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 10px;
  text-align: center;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(232, 238, 246, 0.86);
  background: rgba(19, 32, 51, 0.9);
  border: 1px solid rgba(77, 163, 255, 0.16);
  border-radius: 10px;
  line-height: 1.25;
}
.blog-topic-link:hover {
  color: #fff;
  border-color: rgba(77, 163, 255, 0.45);
  background: rgba(77, 163, 255, 0.12);
}
.blog-topic-link:focus-visible {
  outline: 2px solid #4da3ff;
  outline-offset: 2px;
}
.blog-topic-link[aria-current="page"] {
  color: #06121f;
  background: #4da3ff;
  border-color: #4da3ff;
}

.blog-wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px 64px; }
.blog-article-wrap { max-width: 760px; margin: 0 auto; padding: 0 20px 64px; }

.blog-crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--sp-muted);
  margin: 22px 0 8px;
}
.blog-crumbs a { color: #4da3ff; text-decoration: none; }
.blog-crumbs a:hover { text-decoration: underline; }
.blog-crumbs span[aria-hidden="true"] { opacity: 0.45; }

.blog-search-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 720px;
  margin: 0 auto 18px;
}
.blog-search-prompt {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--sp-muted);
}
.blog-search-field {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}
.blog-search-submit {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 0;
  background: #4da3ff;
  color: #06121f;
  font: 700 13px var(--sp-fb);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}
.blog-search-submit:focus-visible { outline: 2px solid #4da3ff; outline-offset: 2px; }
.blog-search {
  width: 100%;
  min-height: 48px;
  border-radius: 14px;
  border: 1px solid rgba(77, 163, 255, 0.28);
  background: rgba(10, 16, 24, 0.85);
  color: #e8eef6;
  font: 500 15px var(--sp-fb);
  padding: 12px 16px;
}
.blog-search:focus {
  outline: 2px solid #4da3ff;
  outline-offset: 2px;
}
.blog-search::placeholder { color: #8fa0b5; }
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.blog-chip {
  min-height: 38px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(19, 32, 51, 0.7);
  color: #dce6f2;
  font: 650 12px var(--sp-fb);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
}
.blog-chip[aria-pressed="true"] {
  background: rgba(77, 163, 255, 0.18);
  border-color: #4da3ff;
  color: #fff;
}
.blog-chip:focus-visible { outline: 2px solid #4da3ff; outline-offset: 2px; }

.blog-empty {
  text-align: center;
  color: var(--sp-muted);
  padding: 18px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  margin: 8px auto 24px;
  max-width: 640px;
}

.blog-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 0;
  border: 1px solid rgba(77, 163, 255, 0.28);
  border-radius: 22px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(77, 163, 255, 0.12), rgba(19, 32, 51, 0.45));
  margin: 8px 0 28px;
  text-decoration: none;
  color: inherit;
}
.blog-featured:hover { border-color: #4da3ff; }
.blog-featured-copy { padding: 28px 26px; }
.blog-kicker {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #4da3ff;
  margin-bottom: 10px;
}
.blog-featured h2 {
  font-family: var(--sp-fd);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 0.96;
  color: #fff;
  margin-bottom: 10px;
}
.blog-featured p { color: var(--sp-muted); margin-bottom: 16px; }
.blog-read {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #4da3ff;
}
.blog-featured-visual {
  min-height: 220px;
  background: #0a1018;
  overflow: hidden;
  padding: 0;
}
.blog-featured-visual img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--sp-line);
  background: rgba(19, 32, 51, 0.5);
  border-radius: 18px;
  padding: 20px 18px;
  text-decoration: none;
  color: inherit;
  min-height: 220px;
}
.blog-card:hover { border-color: rgba(77, 163, 255, 0.4); }
.blog-card h3 {
  font-family: var(--sp-fd);
  font-size: 26px;
  line-height: 1;
  color: #fff;
  margin: 8px 0 10px;
}
.blog-card p { color: var(--sp-muted); font-size: 14px; margin-bottom: 14px; flex: 1; }
.blog-meta { font-size: 12px; color: #8fa0b5; font-weight: 600; }

.vs-pair {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 12px;
  align-items: stretch;
  margin: 8px 0 28px;
}
.vs-card {
  border: 1px solid var(--sp-line);
  border-radius: 18px;
  padding: 22px 18px;
  background: rgba(19, 32, 51, 0.5);
}
.vs-card.good {
  border-color: rgba(77, 163, 255, 0.4);
  background: rgba(77, 163, 255, 0.08);
}
.vs-card h3 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 10px;
}
.vs-card ul { list-style: none; }
.vs-card li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--sp-muted);
}
.vs-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #8fa0b5;
}
.vs-card.good li::before { background: #4da3ff; }
.vs-badge {
  align-self: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #06121f;
  background: #4da3ff;
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 28px;
  font-size: 14px;
}
.cmp-table th, .cmp-table td {
  border: 1px solid var(--sp-line);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}
.cmp-table th {
  background: rgba(77, 163, 255, 0.12);
  color: #fff;
  font-weight: 700;
}
.cmp-table td { color: var(--sp-muted); background: rgba(14, 22, 34, 0.5); }
.cmp-table td:first-child, .cmp-table th:first-child { color: #fff; font-weight: 650; }
.cmp-scroll { overflow-x: auto; margin: 0 -4px 28px; }

.blog-prose h1 {
  font-family: var(--sp-fd);
  font-size: clamp(32px, 6vw, 52px);
  color: #fff;
  line-height: 0.96;
  margin: 8px 0 16px;
}
.blog-prose h2 {
  font-family: var(--sp-fd);
  font-size: clamp(26px, 4vw, 36px);
  color: #fff;
  line-height: 1;
  margin: 32px 0 12px;
}
.blog-prose h3 {
  font-size: 16px;
  color: #fff;
  margin: 22px 0 8px;
}
.blog-prose p { color: var(--sp-muted); margin-bottom: 14px; }
.blog-prose .blog-card h3 {
  font-family: var(--sp-fd);
  font-size: 26px;
  line-height: 1;
  color: #fff;
  margin: 8px 0 10px;
}
.blog-prose .blog-card p { font-size: 14px; margin-bottom: 14px; }
.blog-prose ul, .blog-prose ol {
  margin: 0 0 16px 1.15rem;
  color: var(--sp-muted);
}
.blog-prose li { margin-bottom: 8px; }
.blog-prose a { color: #4da3ff; }
.blog-callout {
  border: 1px solid rgba(77, 163, 255, 0.28);
  background: rgba(77, 163, 255, 0.08);
  border-radius: 16px;
  padding: 16px 18px;
  margin: 18px 0 24px;
}
.blog-callout strong { color: #fff; display: block; margin-bottom: 6px; }
.blog-callout p { margin: 0; }
.blog-callout p + p { margin-top: 10px; }
.blog-callout .blog-callout-mark {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
  color: #4da3ff;
  margin-bottom: 8px;
}

.blog-diagnose {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 8px 0 24px;
}
.blog-diagnose > div {
  border: 1px solid var(--sp-line);
  border-radius: 16px;
  padding: 16px 18px;
  background: rgba(14, 22, 34, 0.5);
}
.blog-diagnose h3 {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.3;
}
.blog-diagnose ul { margin-bottom: 0; }

.blog-figure {
  margin: 8px 0 24px;
  border: 1px solid var(--sp-line);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(14, 22, 34, 0.5);
}
.blog-figure img {
  display: block;
  width: 100%;
  height: auto;
}
.blog-figure figcaption {
  padding: 10px 14px 12px;
  font-size: 13px;
  line-height: 1.45;
  color: var(--sp-muted);
}
.blog-figure-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 8px 0 24px;
}
.blog-figure-pair .blog-figure { margin: 0; }

.related-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 12px;
}

@media (max-width: 860px) {
  .blog-featured, .vs-pair, .blog-grid, .related-grid, .blog-figure-pair, .blog-diagnose {
    grid-template-columns: 1fr;
  }
  .vs-badge { margin: 4px auto; }
  .blog-topic-nav-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .blog-featured-copy { padding: 22px 18px; }
  .blog-search-field { grid-template-columns: 1fr; }
}