/* ============================================================
   WORK.CSS — Portfolio Grid, Filters, Project Detail
   Mothrills 3D Studio
   ============================================================ */

/* ════════════════════════════════════════════════════════════
   PAGE HEADER
   ════════════════════════════════════════════════════════════ */
.work-header {
  padding-top: 140px;
  padding-bottom: var(--space-20);
  position: relative;
  overflow: hidden;
}

/* Top radial light */
.work-header::before {
  content: '';
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 500px;
  background: radial-gradient(
    ellipse at top,
    rgba(79, 172, 254, 0.065) 0%,
    transparent 65%
  );
  pointer-events: none;
}

.work-header__inner {
  position: relative;
  z-index: 1;
}

.work-header__title {
  font-size: clamp(3rem, 7vw, 6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  margin-bottom: var(--space-5);
}

.work-header__sub {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  max-width: 480px;
  line-height: 1.65;
}

/* ════════════════════════════════════════════════════════════
   FILTER BAR (sticky)
   ════════════════════════════════════════════════════════════ */
.work-filters {
  position: sticky;
  top: 72px;
  z-index: 50;
  padding-block: var(--space-4);
  background: rgba(8, 8, 16, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-16);
}

.work-filters__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
}

.work-filters__count {
  font-size: var(--text-sm);
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.work-filters__count span {
  color: var(--text-secondary);
}

/* ════════════════════════════════════════════════════════════
   PORTFOLIO GRID
   ════════════════════════════════════════════════════════════ */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-bottom: var(--space-32);
}

/* Cards that are hidden by filter */
.portfolio-grid-item {
  transition: opacity 0.4s var(--ease-out), transform 0.4s var(--ease-out);
}

.portfolio-grid-item.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.97);
  position: absolute;
  visibility: hidden;
}

/* Featured card — spans 2 columns */
.portfolio-grid-item--featured {
  grid-column: span 2;
}

.portfolio-grid-item--featured .portfolio-card__media {
  aspect-ratio: 16 / 9;
}

/* ════════════════════════════════════════════════════════════
   PORTFOLIO CARD — extended for work page
   ════════════════════════════════════════════════════════════ */
/* Visible meta below the card (non-hover) */
.portfolio-card__meta {
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  background: var(--surface);
}

.portfolio-card__meta-title {
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.portfolio-card__meta-type {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  flex-shrink: 0;
}

/* Arrow icon in meta */
.portfolio-card__arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  flex-shrink: 0;
  transition: all var(--duration) var(--ease);
}

.portfolio-card:hover .portfolio-card__arrow {
  border-color: rgba(79, 172, 254, 0.4);
  color: var(--accent);
  background: rgba(79, 172, 254, 0.08);
  box-shadow: 0 0 12px rgba(79, 172, 254, 0.2);
  transform: translate(2px, -2px);
}

/* ════════════════════════════════════════════════════════════
   RESPONSIVE — portfolio grid
   ════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
  .portfolio-grid-item--featured { grid-column: span 2; }
}

@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; gap: var(--space-4); }
  .portfolio-grid-item--featured { grid-column: span 1; }
  .portfolio-grid-item--featured .portfolio-card__media { aspect-ratio: 4/3; }
  .work-filters__inner { flex-wrap: wrap; }
  .work-filters__count { order: -1; width: 100%; }
}

/* ════════════════════════════════════════════════════════════
   PROJECT DETAIL PAGE
   ════════════════════════════════════════════════════════════ */

/* ── Hero ── */
.project-hero {
  position: relative;
  height: 70vh;
  min-height: 500px;
  overflow: hidden;
}

.project-hero__media {
  position: absolute;
  inset: 0;
}

.project-hero__media img,
.project-hero__media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.6);
}

.project-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(8, 8, 16, 0.3) 0%,
    transparent 30%,
    rgba(8, 8, 16, 0.7) 75%,
    rgba(8, 8, 16, 1) 100%
  );
}

.project-hero__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding-bottom: var(--space-12);
}

.project-hero__back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-10);
  transition: color var(--duration-fast) var(--ease);
}

.project-hero__back:hover { color: var(--text-primary); }

.project-hero__back-arrow {
  display: inline-block;
  transition: transform var(--duration) var(--ease-out);
}

.project-hero__back:hover .project-hero__back-arrow { transform: translateX(-3px); }

.project-hero__type {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
  display: block;
}

.project-hero__title {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.0;
  max-width: 16ch;
}

/* ── Project body ── */
.project-body {
  padding-block: var(--space-20);
}

/* ── Meta strip ── */
.project-meta {
  display: flex;
  gap: var(--space-12);
  padding: var(--space-8) var(--space-8);
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.015) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.07), 0 4px 20px rgba(0,0,0,0.25);
  margin-bottom: var(--space-16);
  flex-wrap: wrap;
}

.project-meta__item {}

.project-meta__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.project-meta__value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

/* ── Description ── */
.project-description {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-16);
  margin-bottom: var(--space-16);
  align-items: start;
}

.project-description__heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.2;
  position: sticky;
  top: 100px;
}

.project-description__body p {
  font-size: var(--text-lg);
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
}

.project-description__body p:last-child { margin-bottom: 0; }

/* ── Gallery ── */
.project-gallery {
  margin-bottom: var(--space-16);
}

.project-gallery__grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.project-gallery__item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
}

.project-gallery__item img,
.project-gallery__item video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Layout: full, half, third */
.project-gallery__item--full  { grid-column: span 12; aspect-ratio: 16/7; }
.project-gallery__item--half  { grid-column: span 6;  aspect-ratio: 4/3;  }
.project-gallery__item--third { grid-column: span 4;  aspect-ratio: 4/3;  }

/* ── Process breakdown ── */
.project-process {
  padding: var(--space-12) var(--space-10);
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, rgba(255,255,255,0.01) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06), 0 0 40px rgba(79,172,254,0.04);
  margin-bottom: var(--space-16);
  position: relative;
  overflow: hidden;
}

.project-process::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(79,172,254,0.07) 0%, transparent 70%);
  pointer-events: none;
}

.project-process__title {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-8);
}

.project-process__steps {
  display: flex;
  gap: 0;
  overflow: hidden;
}

.project-process__step {
  flex: 1;
  padding: var(--space-5) var(--space-4);
  border-right: 1px solid var(--border);
  text-align: center;
}

.project-process__step:last-child { border-right: none; }

.project-process__step-num {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.project-process__step-name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}

.project-process__step--active .project-process__step-num { color: var(--accent); }
.project-process__step--active .project-process__step-name {
  color: var(--accent);
  text-shadow: 0 0 16px rgba(79,172,254,0.4);
}

/* ── Next project ── */
.project-next {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: var(--space-10) var(--space-10);
  background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.015) 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  text-decoration: none;
}

.project-next:hover {
  border-color: rgba(79,172,254,0.25);
  box-shadow: 0 0 40px rgba(79,172,254,0.07), 0 20px 60px rgba(0,0,0,0.3);
  transform: translateY(-3px);
}

.project-next__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

.project-next__title {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

.project-next__arrow {
  font-size: var(--text-2xl);
  color: var(--accent);
  text-shadow: var(--neon-sm);
  transition: transform var(--duration) var(--ease-out);
  flex-shrink: 0;
}

.project-next:hover .project-next__arrow { transform: translateX(6px); }

/* ── Responsive: project detail ── */
@media (max-width: 768px) {
  .project-hero { height: 55vh; }
  .project-description { grid-template-columns: 1fr; gap: var(--space-8); }
  .project-description__heading { position: static; }
  .project-gallery__item--half,
  .project-gallery__item--third { grid-column: span 12; }
  .project-meta { gap: var(--space-8); }
  .project-process__steps { flex-wrap: wrap; }
  .project-process__step { flex: 0 0 50%; border-right: none; border-bottom: 1px solid var(--border); }
  .project-next { flex-direction: column; align-items: flex-start; }
}