/* ============================================================
   portArgus — SEO guide pages (/how-to-block-usb-ports, …)
   Article layout. Uses global design tokens from style.css
   and reuses .faq-hero / .faq-cta from faq.css.
   ============================================================ */

.guide-article {
  max-width: 820px;
  margin-inline: auto;
  padding: var(--sp-xl) 0 var(--sp-2xl);
}
.guide-article > * { margin: 0; }
.guide-article h2 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(1.35rem, 2.6vw, 1.8rem);
  line-height: 1.1;
  margin: var(--sp-xl) 0 var(--sp-sm);
}
.guide-article h2:first-child { margin-top: 0; }
.guide-article h2 .amber { color: var(--clr-amber); }
.guide-article h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  margin: var(--sp-md) 0 0.4rem;
}
.guide-article p,
.guide-article li {
  color: var(--clr-text-muted);
  font-size: 0.98rem;
  line-height: 1.7;
}
.guide-article p { margin-bottom: 0.9rem; max-width: 75ch; }
.guide-article ul, .guide-article ol { margin: 0 0 1rem; padding-left: 1.3rem; }
.guide-article li { margin-bottom: 0.45rem; }
.guide-article li strong, .guide-article p strong { color: var(--clr-text); }
.guide-article a { color: var(--clr-amber); }

/* summary answer box (featured-snippet target) */
.guide-answer {
  border: 1px solid var(--clr-border);
  border-left: 3px solid var(--clr-amber);
  border-radius: 8px;
  background: var(--clr-bg-2);
  padding: var(--sp-md);
  margin: var(--sp-md) 0 var(--sp-lg);
}
.guide-answer p { margin: 0; color: var(--clr-text); }

/* comparison table */
.guide-tablewrap { overflow-x: auto; margin: var(--sp-md) 0 var(--sp-lg); }
.guide-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  overflow: hidden;
  font-size: 0.92rem;
}
.guide-table th {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: left;
  color: var(--clr-text-muted);
  background: var(--clr-bg-2);
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--clr-border);
}
.guide-table td {
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  line-height: 1.5;
  vertical-align: top;
}
.guide-table tr:last-child td { border-bottom: none; }
.guide-table td:first-child { color: var(--clr-text); font-weight: 600; white-space: nowrap; }
.guide-table .yes { color: var(--clr-amber); font-weight: 600; }
.guide-table .row-hi td { background: color-mix(in srgb, var(--clr-amber) 7%, transparent); }

/* numbered rollout steps */
.guide-steps { counter-reset: gstep; list-style: none; padding: 0; margin: var(--sp-md) 0 var(--sp-lg); }
.guide-steps li {
  counter-increment: gstep;
  position: relative;
  padding: 0 0 var(--sp-sm) 3rem;
  margin: 0;
}
.guide-steps li::before {
  content: counter(gstep, decimal-leading-zero);
  position: absolute;
  left: 0; top: 0.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--clr-amber);
}

@media (max-width: 600px) {
  .guide-article { padding-top: var(--sp-lg); }
}

/* ---------- visual step strip ---------- */
.guide-visual-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-sm);
  margin: var(--sp-md) 0 var(--sp-lg);
}
.gv-step {
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.gv-step img {
  display: block; width: 100%; height: auto; aspect-ratio: 4/3;
  object-fit: contain; padding: 6%; box-sizing: border-box;
}
.gv-step .gv-cap {
  flex: 1; margin: 0;
  display: flex; gap: 0.5rem; align-items: baseline;
  padding: 0.6rem 0.8rem;
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  font-size: 0.88rem; line-height: 1.4; color: var(--clr-text);
}
.gv-cap .n {
  font-family: var(--font-display); font-weight: 800;
  color: var(--clr-amber); font-size: 0.95rem;
}

/* ---------- port coverage grid ---------- */
.guide-ports {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--sp-sm);
  margin: var(--sp-md) 0 var(--sp-lg);
}
.gp-item {
  text-decoration: none;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.gp-item:hover { border-color: var(--clr-amber); transform: translateY(-2px); }
.gp-item img { display: block; width: 100%; aspect-ratio: 1; object-fit: contain; padding: 8%; box-sizing: border-box; }
.gp-item span {
  display: block; text-align: center;
  padding: 0.45rem 0.4rem 0.6rem;
  background: var(--clr-bg-2);
  border-top: 1px solid var(--clr-border);
  font-family: var(--font-display); font-weight: 700;
  font-size: 0.78rem; letter-spacing: 0.03em; line-height: 1.25;
  color: var(--clr-text);
}

@media (max-width: 720px) {
  .guide-visual-steps { grid-template-columns: 1fr; }
  .guide-ports { grid-template-columns: repeat(3, 1fr); }
}