/* ============================================================
   userguide.css — /userguide/ list + per-product web guides
   Reuses the global design tokens from style.css (--clr-*, --sp-*,
   --font-display, --font-body, --container). Load AFTER style.css.
   ============================================================ */

/* ---------- shared hero ---------- */
.ug-hero {
  padding: var(--sp-2xl) 0 var(--sp-xl);
  border-bottom: 1px solid var(--clr-border);
  background:
    radial-gradient(120% 80% at 50% -20%, var(--clr-amber-glow), transparent 60%),
    var(--clr-bg-2);
}
.ug-hero .wrap { text-align: center; }
.ug-eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--clr-amber);
  margin-bottom: var(--sp-sm);
}
.ug-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.02;
  font-size: clamp(2.2rem, 6vw, 3.75rem);
  margin: 0;
}
.ug-hero-sub {
  max-width: 46ch;
  margin: var(--sp-md) auto 0;
  color: var(--clr-text-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* breadcrumb / back link on a product guide */
.ug-crumb {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  margin-bottom: var(--sp-lg);
}
.ug-crumb a { color: var(--clr-text-muted); }
.ug-crumb a:hover { color: var(--clr-amber); }

/* ---------- guide sections ---------- */
.ug-section { padding: var(--sp-2xl) 0; border-bottom: 1px solid var(--clr-border); }
.ug-section:nth-of-type(even) { background: var(--clr-bg-2); }

.ug-section-head { margin-bottom: var(--sp-xl); }
.ug-section-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.005em;
  line-height: 1.05;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  margin: 0.35rem 0 0;
}
.ug-section-head .ug-kicker {
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--clr-amber);
}

/* a step = figure + copy */
.ug-step {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, var(--sp-xl));
  align-items: center;
  margin-top: var(--sp-xl);
}
.ug-step:first-of-type { margin-top: 0; }
.ug-step.is-reversed .ug-figure { order: 2; }

.ug-step-copy .ug-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  border: 2px solid var(--clr-amber);
  color: var(--clr-amber);
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  margin-bottom: var(--sp-sm);
}
.ug-step-copy h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
}
.ug-step-copy p { color: var(--clr-text-muted); line-height: 1.65; margin: 0; }

/* the light card that keeps black line-art legible in dark mode */
.ug-figure {
  background: #ffffff;
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  padding: clamp(1rem, 3vw, var(--sp-lg));
  display: flex;
  align-items: center;
  justify-content: center;
}
.ug-figure img { width: 100%; height: auto; display: block; }

/* ---------- overview section (hero figure + facts) ---------- */
.ug-overview {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 4vw, var(--sp-xl));
  align-items: center;
}
.ug-lead { font-size: 1.15rem; line-height: 1.65; color: var(--clr-text); margin: 0 0 var(--sp-lg); }
.ug-lead strong { color: var(--clr-amber); }

.ug-facts { width: 100%; border-collapse: collapse; font-size: 0.95rem; }
.ug-facts th, .ug-facts td {
  text-align: left;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--clr-border);
  vertical-align: top;
}
.ug-facts th {
  width: 34%;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--clr-text-dim);
  white-space: nowrap;
}
.ug-facts td { color: var(--clr-text-muted); }

/* ---------- "Please Note" callout ---------- */
.ug-note {
  margin-top: var(--sp-lg);
  padding: var(--sp-md) var(--sp-lg);
  background: var(--clr-amber-dim);
  border-left: 3px solid var(--clr-amber);
  border-radius: 0 4px 4px 0;
}
.ug-note-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.82rem;
  color: var(--clr-amber);
  margin-bottom: 0.4rem;
}
.ug-note p { margin: 0; color: var(--clr-text-muted); line-height: 1.6; font-size: 0.95rem; }

/* figures shown side by side without step copy (e.g. installation by key) */
.ug-figs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, var(--sp-lg));
  margin-top: var(--sp-lg);
}

/* ---------- compatible products (icon grid) ---------- */
.ug-compat {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--sp-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.ug-compat li {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  overflow: hidden;
}
.ug-compat-thumb {
  background: #ffffff;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-sm);
}
.ug-compat-thumb img { width: 78%; height: 100%; object-fit: contain; }
.ug-compat span {
  padding: 0.55rem 0.7rem;
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--clr-text-muted);
  border-top: 1px solid var(--clr-border);
}

/* ---------- list page (product picker) ---------- */
.ug-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--sp-lg);
  padding: var(--sp-2xl) 0;
}
.ug-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--clr-border);
  border-radius: 6px;
  background: var(--clr-bg-2);
  overflow: hidden;
  transition: border-color 0.18s ease, transform 0.18s ease;
}
/* Only rebuilt guides are links (<a class="ug-card">); the rest stay plain <span> cards */
a.ug-card:hover { border-color: var(--clr-amber); transform: translateY(-3px); }
.ug-card-thumb {
  background: #ffffff;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-md);
  border-bottom: 1px solid var(--clr-border);
}
.ug-card-thumb img { max-width: 78%; max-height: 100%; height: auto; }
.ug-card-body { padding: var(--sp-md); }
.ug-card-body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 0 0.25rem;
  color: var(--clr-text);
}
.ug-card-body .ug-card-go {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-amber);
}
.ug-card.is-soon { pointer-events: none; opacity: 0.5; }
.ug-card.is-soon .ug-card-go { color: var(--clr-text-dim); }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .ug-step, .ug-overview { grid-template-columns: 1fr; }
  .ug-step.is-reversed .ug-figure { order: 0; }
  .ug-step .ug-figure { max-width: 460px; margin-inline: auto; }
  .ug-compat { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-sm); }
  .ug-figs { grid-template-columns: 1fr; }
  .ug-figs .ug-figure { max-width: 460px; margin-inline: auto; }
}

/* list page on phones: board-style rows (small thumbnail chip, title beside) to cut scrolling */
@media (max-width: 600px) {
  .ug-grid { grid-template-columns: 1fr; gap: var(--sp-sm); padding: var(--sp-lg) 0; }
  .ug-card { flex-direction: row; align-items: center; }
  a.ug-card:hover { transform: none; }
  .ug-card-thumb {
    flex: 0 0 72px;
    width: 72px;
    aspect-ratio: 1 / 1;
    padding: 6px;
    border-bottom: 0;
    border-right: 1px solid var(--clr-border);
  }
  .ug-card-thumb img { max-width: 100%; }
  .ug-card-body { flex: 1; min-width: 0; padding: var(--sp-sm) var(--sp-md); }
  .ug-card-body h3 { font-size: 1.05rem; margin: 0 0 0.15rem; }
  .ug-card-body .ug-card-go { font-size: 0.7rem; }
}