/* =============================================================
   site.css — website-specific styles
   ============================================================= */
@import url("colors_and_type.css");

* { box-sizing: border-box; }
body { margin: 0; background: var(--color-bg); }

.kg-page { max-width: var(--w-page); margin: 0 auto; padding: 0 var(--space-5); }

/* ===== Nav ===== */
.kg-nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; gap: 24px;
  padding: 14px 24px;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
}
.kg-logo {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-latin); font-weight: 700; font-size: 16px;
  color: var(--color-primary); text-decoration: none;
}
.kg-nav-items {
  list-style: none; display: flex; gap: 22px;
  padding: 0; margin: 0; flex: 1;
  font-size: 15px; font-weight: 500;
}
.kg-nav-items a {
  color: var(--color-text); text-decoration: none; padding: 4px 0;
}
.kg-nav-items a.active {
  color: var(--color-primary); font-weight: 600;
  border-bottom: 2px solid var(--color-accent);
}
.kg-nav-items a:hover { color: var(--color-accent); text-decoration: none; }
.kg-nav-right { display: flex; gap: 12px; align-items: center; }
.kg-btn-ghost {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--color-accent);
  color: var(--color-accent);
  padding: 7px 14px; border-radius: var(--radius-md);
  font-weight: 600; font-size: 14px;
  text-decoration: none;
}
.kg-btn-ghost:hover { background: var(--color-accent-soft); text-decoration: none; color: var(--color-accent-hover); }
.kg-icon-btn { background: none; border: none; padding: 6px; cursor: pointer; }

/* ===== Article header ===== */
.kg-article-header { max-width: var(--w-article); margin: var(--space-6) auto var(--space-5); }
.kg-crumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: var(--fs-small); color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}
.kg-crumb a { color: var(--color-text-muted); text-decoration: none; }
.kg-crumb a:hover { color: var(--color-accent); text-decoration: underline; }
.kg-crumb-sep { color: var(--color-border); }
.kg-article-header h1 { margin: 0 0 var(--space-3); }
.kg-dek {
  font-size: 20px; line-height: 1.5;
  color: var(--color-text-muted); font-weight: 400;
  margin: 0 0 var(--space-5);
}
.kg-byline {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: var(--fs-small);
  padding-bottom: var(--space-5);
}
.kg-byline-text b { color: var(--color-primary); font-weight: 600; }
.kg-byline-dot { color: var(--color-border); }
.kg-avatar {
  width: 40px; height: 40px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, #06B6D4, #0A2540);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-family: var(--font-latin); font-size: 14px;
  flex: none;
}
.kg-hero { margin: 0; }
.kg-hero-img {
  aspect-ratio: 16 / 9; border-radius: var(--radius-xl);
  background:
    repeating-linear-gradient(135deg, #E0F7FA, #E0F7FA 14px, #CFEDF2 14px, #CFEDF2 28px);
  display: flex; align-items: flex-end; padding: var(--space-4);
}
.kg-hero figcaption {
  margin-top: var(--space-3);
  font-size: var(--fs-small); color: var(--color-text-muted);
  text-align: center;
}
.kg-placeholder-label {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  color: var(--color-primary);
  background: rgba(255, 255, 255, 0.85);
  padding: 3px 8px; border-radius: 3px;
}

/* ===== Layout: main + sidebar ===== */
.kg-layout {
  display: grid;
  grid-template-columns: minmax(0, var(--w-article)) var(--w-sidebar);
  gap: var(--space-7);
  max-width: calc(var(--w-article) + var(--w-sidebar) + var(--space-7));
  margin: 0 auto;
  padding: 0 var(--space-5);
}
.kg-main { min-width: 0; }
.kg-main > * + * { margin-top: var(--space-7); }
.kg-main h2 { margin-top: var(--space-8); margin-bottom: var(--space-3); }
.kg-main h2:first-child { margin-top: 0; }
.kg-main p { color: var(--color-text); margin: 0 0 var(--space-4); }

/* ===== Sidebar ===== */
.kg-sidebar { position: sticky; top: 88px; align-self: start; display: flex; flex-direction: column; gap: var(--space-5); }
.kg-side-label {
  font-family: var(--font-latin); font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}
.kg-toc ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; border-left: 2px solid var(--color-border); padding-left: var(--space-3); }
.kg-toc a { color: var(--color-text); text-decoration: none; font-size: 14px; line-height: 1.6; display: block; padding: 2px 0; }
.kg-toc a:hover { color: var(--color-accent); }
.kg-toc a.active { color: var(--color-accent); font-weight: 600; box-shadow: -10px 0 0 -8px var(--color-accent); }

.kg-method { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); }
.kg-method-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.kg-method h4 { margin: 0; font-size: 16px; }
.kg-method p { font-size: 14px; line-height: 1.6; color: var(--color-text); margin: 0 0 8px; }
.kg-method a { font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }

/* ===== TL;DR ===== */
.kg-tldr {
  background: var(--color-accent-soft);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: var(--space-5);
}
.kg-tldr-head { display: flex; align-items: center; gap: 8px; margin-bottom: var(--space-3); }
.kg-tldr h3 { margin: 0; font-size: 18px; }
.kg-tldr ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.kg-tldr li { font-size: 16px; line-height: 1.65; color: var(--color-text); }
.kg-tldr li b { color: var(--color-primary); }

/* ===== Our Pick ===== */
.kg-pick {
  position: relative;
  background: #fff;
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-5);
}
.kg-pick-badge {
  position: absolute; top: -14px; left: 20px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: #fff;
  font-weight: 600; font-size: 12px;
  letter-spacing: 0.02em;
}
.kg-pick-grid { display: grid; grid-template-columns: 200px 1fr; gap: var(--space-5); align-items: center; }
.kg-pick-img {
  aspect-ratio: 1;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
}
.kg-pick-body h3 { margin: 0 0 6px; font-size: 22px; }
.kg-pick-reason { font-size: 15px; color: var(--color-text-muted); line-height: 1.5; margin: 0 0 var(--space-4); }
.kg-spec-list { list-style: none; padding: 0; margin: 0 0 var(--space-4); display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.kg-spec-list li { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.kg-spec-icon { color: var(--color-accent); display: flex; }
.kg-spec-label { color: var(--color-text-muted); margin-right: auto; }
.kg-spec-value { font-weight: 600; color: var(--color-primary); }
.kg-pick-bottom { display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap; }
.kg-pick-price { display: flex; align-items: baseline; gap: 10px; }
.kg-price-now { font-size: 24px; font-weight: 700; color: var(--color-primary); }
.kg-price-old { font-size: 15px; color: var(--color-warning); font-weight: 600; text-decoration: line-through; }
.kg-btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--color-accent); color: #fff;
  border: none; border-radius: var(--radius-md);
  padding: 11px 18px;
  font-family: inherit; font-weight: 600; font-size: 15px;
  text-decoration: none;
  cursor: pointer;
  margin-left: auto;
  transition: background var(--dur) var(--ease);
}
.kg-btn-primary:hover { background: var(--color-accent-hover); color: #fff; text-decoration: none; }
.kg-btn-primary:active { transform: translateY(1px); }
.kg-alts { margin: var(--space-3) 0 0; }

/* ===== Comparison table ===== */
.kg-table-wrap { border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.kg-table { width: 100%; border-collapse: collapse; font-size: 15px; }
.kg-table thead th {
  background: var(--color-bg-alt);
  text-align: left;
  padding: 12px 14px;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}
.kg-table td {
  padding: 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
}
.kg-table tr:last-child td { border-bottom: none; }
.kg-table tbody tr:hover td { background: var(--color-bg-alt); }
.kg-best {
  background: var(--color-cyan-tint) !important;
  color: var(--color-accent-hover) !important;
  font-weight: 600;
}
.kg-best svg { vertical-align: -2px; margin-right: 4px; }
.kg-product-cell { color: var(--color-primary); font-weight: 600; }
.kg-table-action a {
  display: inline-flex; align-items: center; gap: 2px;
  font-weight: 600;
  color: var(--color-accent);
}

/* ===== FAQ ===== */
.kg-faq h2 { margin-bottom: var(--space-4); }
.kg-faq details {
  border-top: 1px solid var(--color-border);
  padding: var(--space-4) 0;
}
.kg-faq details:last-child { border-bottom: 1px solid var(--color-border); }
.kg-faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: var(--space-4);
  font-weight: 600; font-size: 18px;
  color: var(--color-primary);
}
.kg-faq summary::-webkit-details-marker { display: none; }
.kg-faq summary::after {
  content: "+";
  font-family: var(--font-latin); font-size: 22px; color: var(--color-accent);
  width: 24px; text-align: center;
  transition: transform var(--dur) var(--ease);
}
.kg-faq details[open] summary::after { content: "−"; }
.kg-faq details p {
  margin-top: 10px;
  font-size: 16px; line-height: 1.7; color: var(--color-text);
  max-width: 600px;
}

/* ===== Author bio + related ===== */
.kg-author {
  display: flex; gap: var(--space-4); align-items: flex-start;
  padding: var(--space-5); background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
}
.kg-avatar-lg {
  width: 80px; height: 80px; border-radius: var(--radius-full);
  background: linear-gradient(135deg, #06B6D4, #0A2540);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-family: var(--font-latin); font-size: 26px;
  flex: none;
}
.kg-author h4 { margin: 0 0 2px; font-size: 18px; }
.kg-author p { margin: 8px 0 8px; font-size: 15px; line-height: 1.65; }
.kg-link { font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }

.kg-related-grid { padding: var(--space-7) 0; border-top: 1px solid var(--color-border); }
.kg-related-grid h2 { margin-bottom: var(--space-5); }
.kg-related-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.kg-related-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.kg-related-card:hover { box-shadow: var(--shadow-card); text-decoration: none; }
.kg-related-img {
  aspect-ratio: 16 / 9;
  background: repeating-linear-gradient(135deg, #FAFBFC, #FAFBFC 12px, #F0F2F5 12px, #F0F2F5 24px);
  display: flex; align-items: flex-end; padding: var(--space-3);
}
.kg-related-body { padding: var(--space-4); }
.kg-pill-sm {
  display: inline-block;
  padding: 2px 8px; border-radius: var(--radius-full);
  background: var(--color-accent-soft); color: var(--color-accent-hover);
  font-weight: 600; font-size: 11px;
}
.kg-related-body h4 { margin: 8px 0 4px; font-size: 17px; }
.kg-related-body p { font-size: 14px; line-height: 1.5; color: var(--color-text-muted); margin: 0; }

/* ===== Footer ===== */
.kg-footer { background: var(--color-primary); color: rgba(255, 255, 255, 0.78); margin-top: var(--space-9); }
.kg-footer-grid {
  max-width: var(--w-page); margin: 0 auto;
  padding: var(--space-8) var(--space-5) var(--space-6);
  display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: var(--space-7);
}
.kg-logo--footer { color: #fff; margin-bottom: var(--space-3); }
.kg-logo--footer span { color: #fff; }
.kg-footer-tagline { font-size: 15px; color: rgba(255,255,255,0.78); margin: 0 0 var(--space-3); }
.kg-footer h5 { color: #fff; font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 var(--space-3); }
.kg-footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.kg-footer a { color: rgba(255, 255, 255, 0.78); text-decoration: none; }
.kg-footer a:hover { color: var(--color-accent); text-decoration: underline; }
.kg-footer .small { color: rgba(255,255,255,0.6); font-size: 13px; line-height: 1.6; }
.kg-footer-strip {
  max-width: var(--w-page); margin: 0 auto;
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap;
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .kg-layout { grid-template-columns: 1fr; }
  .kg-sidebar { position: static; flex-direction: row; gap: var(--space-4); }
  .kg-pick-grid { grid-template-columns: 1fr; }
  .kg-pick-img { max-width: 200px; }
  .kg-related-row { grid-template-columns: 1fr; }
  .kg-footer-grid { grid-template-columns: 1fr; }
  .kg-nav-items { display: none; }
}