/* ==========================================================================
   03 — SELECTED WORK (Phase 5)
   Calm, media-led portfolio: no pinning, no scroll choreography. Hover /
   keyboard focus gives a restrained response (or a muted preview where a
   project has data-preview-src; see js/work.js). DEMO content: docs/portfolio.md.
   ========================================================================== */

.work {
  position: relative;
  padding-block: 72px 112px;
  background: var(--white);
}
.work__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 40px;
}

/* ---- Heading (same system as 01 / 02) ---- */
.work__index {
  display: flex;
  align-items: center;
  gap: 18px;
  color: var(--mas-red);
  font-size: 26px;
  font-weight: 300;
  font-stretch: 100%;
  line-height: 1;
}
.work__dash { display: block; width: 22px; height: 2px; background: var(--mas-red); }
.work__title {
  margin-top: 22px;
  color: var(--ink);
  font-size: clamp(40px, 12.4vw, 80px);
  font-weight: 900;
  font-stretch: var(--stretch-display);
  letter-spacing: -0.055em;
  line-height: 0.84;
  text-transform: uppercase;
}
.work__line { display: block; }
.work__line--signal { color: var(--mas-red); }
.work__note {
  margin-top: 20px;
  max-width: 30em;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

/* ---- Projects ---- */
.work__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  row-gap: 48px;
  margin: 0;
}
.project { min-width: 0; }
/* Media ratio per slot (reserves space before the image loads). */
.project[data-project="brand-film"]        { --ratio: 16 / 9; }
.project[data-project="product-creative"]  { --ratio: 4 / 5; }
.project[data-project="social-creative"]   { --ratio: 9 / 16; }
.project[data-project="campaign-creative"] { --ratio: 16 / 10; }

.project__media {
  position: relative;
  margin: 0;
  aspect-ratio: var(--ratio, 16 / 9);   /* reserved before the image loads */
  overflow: hidden;
  background: #111214;
}
.project__media img,
.project__media video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 600ms var(--ease-mech);
}
.project__media video { opacity: 0; transition: opacity 200ms linear; }
.project.is-previewing .project__media video { opacity: 1; }

.project__meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 16px;
  align-items: baseline;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}
.project__meta:focus-visible { outline-offset: 4px; }
.project__num {
  grid-row: 1 / span 2;
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
}
.project__title {
  position: relative;
  font-size: 15px;
  font-weight: 700;
  font-stretch: var(--stretch-ui);
  letter-spacing: 0.08em;
  line-height: 1.3;
  text-transform: uppercase;
}
.project__cat {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 600;
  font-stretch: var(--stretch-ui);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

/* Restrained response: slight scale + red index, then neutral on leave. */
.project__num { transition: color 240ms linear; }
.project:focus-within .project__media img { transform: scale(1.02); }
.project:focus-within .project__num { color: var(--mas-red); }
@media (hover: hover) and (pointer: fine) {
  .project:hover .project__media img { transform: scale(1.02); }
  .project:hover .project__num { color: var(--mas-red); }
}

/* Mobile: the vertical format would fill the screen at full width. */
@media (max-width: 1023.98px) {
  .project[data-project="social-creative"] { width: 72%; }
}

/* ==========================================================================
   Desktop: asymmetric two-column editorial grid
   ========================================================================== */
@media (min-width: 1024px) {
  .work { padding-block: calc(160 * var(--u)) calc(200 * var(--u)); }
  .work__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: calc(24 * var(--u));
    row-gap: calc(72 * var(--u));
  }
  .work__head { grid-column: 1 / span 6; }
  .work__index { font-size: calc(28 * var(--u)); }
  .work__title { margin-top: calc(26 * var(--u)); font-size: calc(76 * var(--u)); }
  .work__note { margin-top: calc(28 * var(--u)); }

  .work__list {
    grid-column: 1 / -1;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: calc(24 * var(--u));
    row-gap: calc(96 * var(--u));
    align-items: start;
  }
  /* Row 1: large film + offset product; row 2: vertical social + wide campaign. */
  .project[data-project="brand-film"]        { grid-column: 1 / span 8; }
  .project[data-project="product-creative"]  { grid-column: 9 / span 4; margin-top: calc(120 * var(--u)); }
  .project[data-project="social-creative"]   { grid-column: 2 / span 3; }
  .project[data-project="campaign-creative"] { grid-column: 6 / span 7; margin-top: calc(160 * var(--u)); }
}

@media (prefers-reduced-motion: reduce) {
  .project__media img,
  .project__media video,
  .project__num { transition: none; }
  .project:focus-within .project__media img,
  .project:hover .project__media img { transform: none; }
}