/* work page: 3D tilt cards with cursor spotlight */
.cards { perspective: 1200px; }
.card { --mx: 50%; --my: 50%; }
.card__inner {
  position: relative;
  height: 100%;
  border: 1px solid var(--hairline);
  padding: 2.2rem 2rem;
  background: linear-gradient(160deg, rgba(31,26,21,0.9), rgba(23,19,15,0.95));
  transform-style: preserve-3d;
  transition: transform 0.25s ease, border-color 0.35s;
  will-change: transform;
}
.card:hover .card__inner { border-color: var(--accent, var(--gold)); }
.card__inner::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(400px circle at var(--mx) var(--my), var(--spot, rgba(217,164,65,0.12)), transparent 65%);
  opacity: 0; transition: opacity 0.35s; pointer-events: none;
}
.card:hover .card__inner::before { opacity: 1; }
.card[data-accent="gold"]    { --accent: var(--gold);    --spot: rgba(217,164,65,0.13); }
.card[data-accent="crimson"] { --accent: var(--crimson); --spot: rgba(193,80,58,0.13); }
.card[data-accent="teal"]    { --accent: var(--teal);    --spot: rgba(61,133,120,0.14); }
.card[data-accent="violet"]  { --accent: var(--violet);  --spot: rgba(138,111,194,0.14); }
.card__index { color: var(--paper-dim); display: block; margin-bottom: 1rem; }
.card__inner h3 { font-family: var(--serif); font-weight: 500; font-size: 1.6rem; margin-bottom: 0.3rem; }
.card__tag { color: var(--accent, var(--gold)); margin-bottom: 1rem; }
.card__desc { color: var(--paper-dim); font-size: 1.02rem; }
.card__desc em { color: var(--paper); }
.card__hint { display: block; margin-top: 1.2rem; color: var(--paper-dim); opacity: 0.75; }
.card__link { display: inline-block; margin-top: 1rem; color: var(--accent); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color 0.25s; }
.card__link:hover { border-color: var(--accent); }
@media (max-width: 860px) { .cards { grid-template-columns: 1fr; } }

/* section kickers + rows */
.cards__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.4rem; perspective: 1200px; }
.cards .kicker { margin-bottom: 1.6rem; }
section.cards { padding-bottom: 2rem; }
@media (max-width: 860px) { .cards__row { grid-template-columns: 1fr; } }

/* long-form case studies */
.case-studies { padding-top: 1rem; }
.case-studies .kicker { margin-bottom: 1.4rem; }
.case-study {
  border-top: 1px solid var(--hairline);
  padding: 1.8rem 0 2rem;
}
.case-study:last-of-type { border-bottom: 1px solid var(--hairline); }
.case-study__overline { color: var(--gold); margin-bottom: 0.6rem; }
.case-study__title {
  font-size: clamp(1.55rem, 3.4vw, 2.4rem);
  margin-bottom: 0.9rem;
}
.case-study p {
  max-width: 46rem;
  color: var(--paper-dim);
  margin-bottom: 0.8rem;
}
.case-study__materials {
  color: var(--paper-dim);
  opacity: 0.86;
  margin-top: 1rem;
  margin-bottom: 0;
}