/* Shared by the five Shaker Screens section pages:
   shaker-screens, nov-brandt, mi-swaco, screen-specifications, troubleshooting */

/* ---------- Section sub-navigation ---------- */
.subnav {
  position: sticky;
  top: var(--header-h);
  z-index: 90;
  background: var(--white);
  border-bottom: 1px solid var(--color-border);
}
.subnav__list {
  display: flex;
  gap: var(--space-1);
  overflow-x: auto;
  list-style: none;
  padding: 0;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.subnav__list::-webkit-scrollbar { display: none; }
.subnav__list a {
  position: relative;
  display: block;
  padding: 1rem 0.9rem;
  font-family: var(--font-display);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  color: var(--color-text-muted);
  transition: color var(--dur);
}
.subnav__list a:hover { color: var(--ink-900); }
.subnav__list a[aria-current="page"] { color: var(--color-accent); }
.subnav__list a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0.9rem;
  right: 0.9rem;
  bottom: 0;
  height: 3px;
  background: var(--color-accent);
  transform: skewX(var(--slant));
}
.subnav__list li:first-child a { padding-left: 0; }
.subnav__list li:first-child a[aria-current="page"]::after { left: 0; }

/* ---------- Model spec cards (NOV Brandt / MI SWACO) ---------- */
.model-list { display: grid; gap: var(--space-5); }

.model-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  background: var(--white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  scroll-margin-top: calc(var(--header-h) + 70px);
}
@media (min-width: 900px) {
  .model-card { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.4fr) minmax(0, 1fr); }
}
.model-card__head {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-5);
  background: var(--ink-900);
  color: var(--color-text-inverse-muted);
}
.model-card__head::after {
  content: "";
  position: absolute;
  left: var(--space-5);
  bottom: 0;
  width: 3.5rem;
  height: 5px;
  background: var(--color-accent);
  transform: skewX(var(--slant));
}
.model-card__brand {
  font-family: var(--font-display);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red-500);
}
.model-card__head h3 {
  margin-top: var(--space-2);
  font-size: var(--fs-2xl);
  text-transform: uppercase;
  color: var(--white);
}
.model-card__size {
  font-size: var(--fs-sm);
}
.model-card__size strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  color: var(--white);
}

.model-card__specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4) var(--space-5);
  padding: var(--space-6) var(--space-5);
  align-content: start;
}
.model-card__specs dt {
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.model-card__specs dd {
  margin-top: 2px;
  font-weight: 600;
  color: var(--ink-900);
}

.model-card__compat {
  padding: var(--space-6) var(--space-5);
  background: var(--ink-50);
  border-top: 1px solid var(--color-border);
}
@media (min-width: 900px) {
  .model-card__compat { border-top: 0; border-left: 1px solid var(--color-border); }
}
.model-card__compat h4 {
  margin-bottom: var(--space-3);
  font-size: var(--fs-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-700);
}
.model-card__compat ul { display: grid; gap: var(--space-2); list-style: none; padding: 0; font-size: var(--fs-sm); }
.model-card__compat li { display: flex; gap: var(--space-2); align-items: flex-start; }
.model-card__compat svg { width: 16px; height: 16px; margin-top: 0.25rem; flex: none; color: var(--color-accent); stroke-width: 3; }
.model-card__variants { margin-top: var(--space-4); display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* Jump links to each model */
.model-jump { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }
.model-jump a.tag { transition: border-color var(--dur), color var(--dur); }
.model-jump a.tag:hover { border-color: var(--color-accent); color: var(--color-accent); }

/* Common spec strip above model cards */
.common-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr));
  gap: 1px;
  margin-bottom: var(--space-7);
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.common-specs > div { padding: var(--space-5); background: var(--white); }
.common-specs dt { font-size: var(--fs-xs); font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-text-muted); }
.common-specs dd { margin-top: var(--space-1); font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 700; color: var(--ink-900); }

/* ---------- Trademark / legal note ---------- */
.tm-note {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-top: var(--space-7);
  padding: var(--space-4) var(--space-5);
  border-left: 3px solid var(--ink-300);
  background: var(--ink-50);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}
.tm-note svg { width: 16px; height: 16px; flex: none; margin-top: 0.15rem; }

/* Table footnotes */
.table-notes { margin-top: var(--space-4); display: grid; gap: var(--space-1); font-size: var(--fs-xs); color: var(--color-text-muted); list-style: none; padding: 0; }