/* ============================================================
   WORK — PORTFOLIO INDEX + CASE STUDY STYLES
   ============================================================ */

/* ── PAGE HERO ─────────────────────────────────────────────── */

.work-hero {
  padding-top: calc(var(--nav-height) + var(--space-20));
  padding-bottom: var(--space-16);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.work-hero__eyebrow {
  display: inline-block;
  font-size: 10px;
  font-weight: var(--weight-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  box-shadow: inset 0 1px 8px rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 6px;
  padding: 5px 14px;
  margin-bottom: var(--space-6);
}

.work-hero__headline {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: var(--weight-black);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-5);
}

.work-hero__sub {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 480px;
}

/* ── FILTERS ───────────────────────────────────────────────── */

.work-filters {
  padding-block: var(--space-8);
  background: rgba(11, 1, 20, 0.92);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.work-filters__inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  transition: color var(--transition-fast),
              border-color var(--transition-fast),
              background var(--transition-fast);
}

.filter-btn:hover {
  color: var(--color-text);
  border-color: rgba(255,255,255,0.2);
}

.filter-btn.active {
  color: var(--color-white);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* ── PORTFOLIO GRID ────────────────────────────────────────── */

.work-grid-section {
  padding-block: var(--space-16) var(--space-32);
  background: var(--color-bg);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-5);
}

.project-card {
  display: flex;
  flex-direction: column;
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base),
              transform 0.4s cubic-bezier(0.16,1,0.3,1);
  grid-column: span 4;
}

.project-card:hover {
  border-color: rgba(255,80,4,0.25);
  transform: translateY(-4px);
}

/* Featured first card */
.project-card--featured {
  grid-column: span 8;
}

.project-card__img-wrap {
  position: relative;
  width: 100%;
  overflow: hidden;
  flex: 1;
  min-height: 200px;
  background: var(--color-bg-soft);
}

.project-card--featured .project-card__img-wrap {
  flex: none;
  aspect-ratio: 16 / 9;
}

.project-card__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.65s cubic-bezier(0.16,1,0.3,1);
}

/* Flex wrapper needs position relative for absolute child to work */
.project-card__img-wrap {
  position: relative;
}

.project-card:hover .project-card__img {
  transform: scale(1.04);
}

.project-card__body {
  padding: var(--space-5) var(--space-6) var(--space-6);
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.project-card__tag {
  font-size: 10px;
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.project-card__tag + .project-card__tag::before {
  content: '·';
  margin-right: var(--space-2);
  color: rgba(255,255,255,0.2);
}

.project-card__client {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.project-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-bold);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.project-card--featured .project-card__title {
  font-size: var(--text-lg);
}

.project-card:hover .project-card__title {
  color: var(--color-accent);
}

.project-card__arrow {
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translate(4px,-4px);
  transition: opacity var(--transition-base),
              transform var(--transition-base),
              background var(--transition-base);
}

.project-card__arrow svg {
  width: 14px;
  height: 14px;
  stroke: #fff;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.project-card:hover .project-card__arrow {
  opacity: 1;
  transform: translate(0,0);
  background: var(--color-accent);
}

/* hidden state for filter */
.project-card.is-hidden {
  display: none;
}

/* ── EMPTY STATE ───────────────────────────────────────────── */

.work-empty {
  grid-column: span 12;
  padding-block: var(--space-20);
  text-align: center;
  display: none;
}

.work-empty.visible {
  display: block;
}

.work-empty p {
  font-size: var(--text-base);
  color: var(--color-text-muted);
}

/* ============================================================
   CASE STUDY PAGE
   ============================================================ */

/* ── CASE HERO ─────────────────────────────────────────────── */

.case-hero {
  padding-top: calc(var(--nav-height) + var(--space-16));
  padding-bottom: 0;
  background: var(--color-bg);
}

.case-hero__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-10);
  transition: color var(--transition-fast);
}

.case-hero__back svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.case-hero__back:hover { color: var(--color-accent); }

.case-hero__industry {
  font-size: 10px;
  font-weight: var(--weight-medium);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.case-hero__title {
  font-size: clamp(2rem, 4.5vw, 4.5rem);
  font-weight: var(--weight-black);
  line-height: 1.05;
  letter-spacing: -0.03em;
  max-width: 820px;
  margin-bottom: var(--space-10);
}

.case-hero__meta {
  display: flex;
  gap: var(--space-16);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
}

.case-hero__meta-item {}

.case-hero__meta-label {
  font-size: 10px;
  font-weight: var(--weight-semi);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.case-hero__meta-value {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
  line-height: 1.5;
}

.case-hero__cover {
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  display: block;
  border-radius: 14px 14px 0 0;
  margin-top: var(--space-10);
}

/* ── CASE BODY ─────────────────────────────────────────────── */

.case-body {
  padding-block: var(--space-20);
  background: var(--color-bg-light);
  border-top: 1px solid var(--color-border);
}

.case-body__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-20);
  align-items: start;
}

.case-body__intro {
  font-size: var(--text-md);
  color: var(--color-text-light-muted);
  line-height: 1.8;
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border-light);
}

.case-section {
  margin-bottom: var(--space-10);
  padding-bottom: var(--space-10);
  border-bottom: 1px solid var(--color-border-light);
}

.case-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.case-section__label {
  font-size: 10px;
  font-weight: var(--weight-semi);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.case-section__text {
  font-size: var(--text-base);
  color: var(--color-text-light-muted);
  line-height: 1.8;
}

.case-quote {
  border-left: 2px solid var(--color-accent);
  padding-left: var(--space-6);
  margin-block: var(--space-10);
}

.case-quote__text {
  font-size: var(--text-md);
  font-style: italic;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.case-quote__author {
  font-size: var(--text-sm);
  color: var(--color-text-light-muted);
}

/* Stats sidebar */
.case-stats {
  position: sticky;
  top: calc(var(--nav-height) + var(--space-8));
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.case-stat {
  padding: var(--space-6);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
}

.case-stat__value {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: var(--weight-black);
  letter-spacing: -0.03em;
  color: var(--color-accent);
  line-height: 1;
  display: block;
  margin-bottom: var(--space-2);
}

.case-stat__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* Press links */
.case-press {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-8);
}

.case-press__label {
  font-size: 10px;
  font-weight: var(--weight-semi);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-light-muted);
  margin-bottom: var(--space-2);
}

.case-press__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-light-muted);
  transition: color var(--transition-fast);
}

.case-press__link:hover { color: var(--color-accent); }

.case-press__link svg {
  width: 12px;
  height: 12px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

/* ── GALLERY ───────────────────────────────────────────────── */

.case-gallery {
  padding-block: var(--space-16) var(--space-24);
  background: var(--color-bg-soft);
  border-top: 1px solid var(--color-border);
}

.case-gallery__label {
  font-size: 10px;
  font-weight: var(--weight-semi);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.case-gallery__headline {
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: var(--weight-black);
  letter-spacing: -0.025em;
  margin-bottom: var(--space-10);
}

.case-gallery__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.case-gallery__img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 12px;
  display: block;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
}

/* ── NEXT PROJECT ──────────────────────────────────────────── */

.case-next {
  padding-block: var(--space-16);
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.case-next__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.case-next__label {
  font-size: 10px;
  font-weight: var(--weight-semi);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.case-next__title {
  font-size: clamp(1.5rem, 2.5vw, 2.5rem);
  font-weight: var(--weight-black);
  letter-spacing: -0.025em;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.case-next__link:hover .case-next__title { color: var(--color-accent); }

.case-next__arrow {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition-base), border-color var(--transition-base);
}

.case-next__link:hover .case-next__arrow {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.case-next__arrow svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-muted);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.case-next__link:hover .case-next__arrow svg { stroke: #fff; }

/* ── RESPONSIVE ────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .project-card--featured { grid-column: span 12; }
  .project-card { grid-column: span 6; }

  /* On tablet the featured card no longer needs to match a sibling height */
  .project-card--featured .project-card__img-wrap {
    aspect-ratio: 16 / 9;
    flex: none;
  }

  /* Regular cards revert to fixed ratio on tablet */
  .project-card:not(.project-card--featured) .project-card__img-wrap {
    flex: none;
    aspect-ratio: 4 / 3;
  }

  .case-body__grid {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .case-stats {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }

  .case-stat { flex: 1; min-width: 140px; }
}

@media (max-width: 768px) {
  .project-card,
  .project-card--featured { grid-column: span 12; }

  .project-card__img-wrap,
  .project-card--featured .project-card__img-wrap {
    flex: none;
    aspect-ratio: 16 / 10;
  }

  .case-hero__meta { gap: var(--space-8); }

  .case-hero__cover { aspect-ratio: 16 / 10; border-radius: 10px 10px 0 0; }

  .case-gallery__grid { grid-template-columns: 1fr; }

  .case-next__inner { flex-direction: column; align-items: flex-start; }

  .work-filters__inner { gap: var(--space-2); }
}