/* ─────────────────────────────────────────────
   PORTFOLIO — Bento Style
───────────────────────────────────────────── */
.portfolio {
  background: var(--color-bg);
  padding: 0 var(--container-pad) var(--space-3xl);
}

.portfolio__header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: var(--space-2xl) 0 var(--space-lg);
  border-bottom: var(--border-subtle);
}

.portfolio__heading {
  font-family: var(--font-main);
  font-size: 92px;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
  line-height: 40px;
  color: var(--color-white);
  text-transform: uppercase;
}

.portfolio__log {
  font-size: 12px;
  font-weight: var(--fw-regular);
  color: var(--color-cyan);
  letter-spacing: 0.1em;
  margin-top: var(--space-lg);
}

.portfolio__scroll-hint {
  font-size: 10px;
  color: var(--color-grey-mid);
  letter-spacing: 0.1em;
  align-self: flex-end;
}

/* 4-column grid */
.portfolio__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.portfolio__card {
  background: var(--color-bg-card);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  transition: transform var(--duration) var(--ease);
}

.portfolio__card:hover { transform: translateY(-4px); }

.portfolio__card-id {
  position: absolute;
  top: var(--space-sm);
  right: var(--space-md);
  font-size: 8px;
  color: var(--color-cyan);
  letter-spacing: 0;
  z-index: 2;
}

.portfolio__card-img {
  width: 100%;
  aspect-ratio: 1 / 1.25;
  overflow: hidden;
}

.portfolio__card-img img {
  transition: transform 400ms var(--ease);
}

.portfolio__card:hover .portfolio__card-img img {
  transform: scale(1.03);
}

.portfolio__card-body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.portfolio__card-update {
  font-size: 12px;
  font-weight: var(--fw-regular);
  line-height: 16px;
}

.portfolio__card-title {
  font-size: 16px;
  font-weight: var(--fw-bold);
  color: var(--color-white);
  letter-spacing: -0.025em;
  line-height: 24px;
}