/* ============================================================
   Component primitives — Button / Card / Tag
   Hard edges, thick borders, physics-based shadow lift on hover.
   ============================================================ */

.btn {
  font-family: var(--font-ui);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  padding: 12px 24px;
  border: 2px solid;
  border-radius: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
  box-shadow: var(--shadow-1);
  transition: var(--shadow-trans), background 120ms ease, color 120ms ease;
  box-sizing: border-box;
  text-decoration: none;
}
.btn:hover { box-shadow: var(--shadow-3); transform: var(--shadow-lift-2); }
.btn:active { box-shadow: none; transform: translateY(1px); }
.btn-fill { background: var(--acc); color: var(--on-acc); border-color: var(--acc); }
.btn-outline { background: transparent; color: var(--fg); border-color: var(--fg); }

.card {
  border: none;
  border-radius: 0;
  padding: var(--s6);
  background: var(--surface);
  font-family: var(--font-ui);
  box-sizing: border-box;
  box-shadow: var(--shadow-1);
  transition: var(--shadow-trans);
}
.card:hover { box-shadow: var(--shadow-2); transform: var(--shadow-lift-2); }

.tag {
  font-family: var(--font-detail);
  font-weight: 700;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 3px 10px;
  border: 1px solid;
  border-radius: 0;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  line-height: 1.4;
  box-sizing: border-box;
}
.tag-fill-accent { background: var(--acc); color: var(--on-acc); border-color: var(--acc); }

/* Solid block "chip" used for project type labels (background: pillar color) */
.chip {
  font-family: var(--font-detail);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 8px;
  color: var(--on-acc);
}
.chip-outline {
  font-family: var(--font-detail);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  border: 1.5px solid;
  background: transparent;
}

/* Inline text link — underline via border-bottom to match the site's other links */
.inline-link { border-bottom: 1px solid currentColor; text-decoration: none; }
.inline-link:hover { color: var(--acc); border-bottom-color: var(--acc); }

/* Decorative geometric rule strip (three-shape motif) */
.geo-strip {
  display: flex;
  gap: 4px;
  margin-bottom: var(--s4);
}