/* ============================================================
   projects.css - Project grid & cards
   ============================================================ */

.projects-section {
  padding: 5rem 2rem 8rem;
  max-width: 1100px;
  margin: 0 auto;
}

.section-intro {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-intro p {
  color: var(--muted);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* ── Grid ── */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  grid-auto-rows: 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

/* ── Card ── */
.project-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: pointer;
  text-decoration: none;
  display: flex;
  flex-direction: column;   /* stack: image → info → buttons */
  height: 100%;             /* fill grid cell so all cards same height */
  background: var(--card);
  transition:
    transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 0.3s,
    border-color 0.3s;
  will-change: transform, opacity;
  animation: fadeUp 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.project-card:nth-child(1) { animation-delay: 0.05s; }
.project-card:nth-child(2) { animation-delay: 0.10s; }
.project-card:nth-child(3) { animation-delay: 0.15s; }
.project-card:nth-child(4) { animation-delay: 0.20s; }
.project-card:nth-child(5) { animation-delay: 0.25s; }
.project-card:nth-child(6) { animation-delay: 0.30s; }

.project-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.55), 0 0 0 1px var(--accent);
  border-color: var(--accent);
}

/* ── Thumbnail ── */
.project-thumb {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  position: absolute;
  top: 0;
  left: 0;
}

/* ── Project Image Wrapper ── */
.project-image-wrapper {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Project Image (new) ── */
.project-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

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

/* Thumbnail colour variants (fallback if using .project-thumb with emoji) */
.c1 { background: linear-gradient(135deg, #1a2a1a, #2d4a2d); }
.c2 { background: linear-gradient(135deg, #1a1a2e, #2d2d50); }
.c3 { background: linear-gradient(135deg, #2e1a1a, #4a2020); }
.c4 { background: linear-gradient(135deg, #2e2a1a, #4a3d10); }
.c5 { background: linear-gradient(135deg, #1a2a2e, #1a3d4a); }
.c6 { background: linear-gradient(135deg, #2a1a2e, #3d1a4a); }

/* ── Card body ── */
.project-info {
  padding: 1.2rem 1.4rem 1.4rem;
  flex: 1;          /* push links-bar to bottom */
}

.project-info h3 {
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.2rem;
}

/* Role badge — sits between title and description */
.project-role {
  font-size: 0.72rem !important;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent) !important;
  margin-bottom: 0.4rem !important;
  opacity: 0.85;
}

.project-info p {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.75rem;
}

.project-tag {
  display: inline-block;
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-weight: 500;
  border: 1px solid var(--border);
}

/* Main tags: bright accent, more visible */
.project-tag--main {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}

/* Subtags: muted, secondary */
.project-tag--sub {
  color: var(--muted);
  border-color: var(--border);
  font-size: 0.63rem;
}

/* ── "Подробнее" badge ── */
.project-arrow {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: var(--glow);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px) scale(0.92);
  transition: opacity 0.22s, transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
  color: var(--accent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
}

.project-card:hover .project-arrow {
  opacity: 1;
  transform: translateY(0) scale(1);
}


/* ════════════════════════════════════════════════════════════
   MOBILE RESPONSIVE
   ════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  .projects-section {
    padding: 3rem 1.2rem 5rem;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  
  .project-card {
    border-radius: 10px;
  }
  
  .project-info {
    padding: 1rem 1.2rem 1.2rem;
  }
  
  .project-info h3 {
    font-size: 1rem;
  }
  
  .project-info p {
    font-size: 0.78rem;
  }
  
  .project-tag--main {
    font-size: 0.6rem;
    padding: 0.15rem 0.45rem;
  }

  .project-tag--sub {
    font-size: 0.58rem;
  }
  
  .project-arrow {
    top: 0.8rem;
    right: 0.8rem;
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }
}

@media (max-width: 400px) {
  .project-info h3 {
    font-size: 0.95rem;
  }
  
  .project-info p {
    font-size: 0.75rem;
  }
  
  .project-tag--main,
  .project-tag--sub {
    font-size: 0.58rem;
  }
}



/* ════════════════════════════════════════════════════════════
   CARD PRESETS
   ════════════════════════════════════════════════════════════

   "no-links"   - display-only, no hover lift, not clickable
   "link"       - whole card is one <a> → any URL (↗ badge)
   "github"     - whole card is one <a> → GitHub (GitHub icon badge)
   "links-bar"  - card is a <div>; button strip at the bottom
   ════════════════════════════════════════════════════════════ */

/* ── no-links: still navigates to detail page, looks same as other cards ── */

/* ── arrow badge (duplicate rule removed — defined above) ── */

/* ── links-bar: button strip ── */
.project-link-footer {
  display:     flex;
  flex-wrap:   wrap;
  gap:         0.5rem;
  padding:     0.85rem 1.4rem 1.1rem;
  border-top:  1px solid var(--border);
  margin-top:  0.2rem;
}

.project-link-btn {
  display:         inline-flex;
  align-items:     center;
  gap:             0.4rem;
  padding:         0.4rem 0.95rem;
  border-radius:   999px;
  border:          1px solid var(--border);
  font-family:     inherit;
  font-size:       0.74rem;
  font-weight:     500;
  letter-spacing:  0.06em;
  text-decoration: none;
  color:           var(--muted);
  background:      transparent;
  cursor:          pointer;
  white-space:     nowrap;
  transition:      color .2s, border-color .2s, background .2s, transform .15s;
}
.project-link-btn:hover {
  color:        var(--text);
  border-color: var(--accent);
  background:   var(--glow);
  transform:    translateY(-1px);
}

/* Play button - accent-filled on hover */
.project-link-btn--play {
  color:        var(--accent);
}
.project-link-btn--play:hover {
  color:        var(--bg);
  background:   var(--accent);
  border-color: var(--accent);
}


/* ════════════════════════════════════════════════════════════
   CARD WRAP — collapses hidden cards out of grid flow
   ════════════════════════════════════════════════════════════ */
/* card-wrap removed — filter works directly on .project-card */

/* ════════════════════════════════════════════════════════════
   TAG FILTER BAR
   ════════════════════════════════════════════════════════════ */
.tag-filter-bar {
  display:     flex;
  flex-wrap:   wrap;
  gap:         0.5rem;
  margin-bottom: 2rem;
}

.filter-btn {
  padding:         0.38rem 1rem;
  border-radius:   999px;
  border:          1px solid var(--border);
  background:      transparent;
  color:           var(--muted);
  font-family:     inherit;
  font-size:       0.75rem;
  font-weight:     500;
  letter-spacing:  0.07em;
  cursor:          pointer;
  transition:      color .2s, border-color .2s, background .2s, transform .15s;
  white-space:     nowrap;
}
.filter-btn:hover {
  color:        var(--text);
  border-color: var(--accent);
  background:   var(--glow);
}
.filter-btn.active {
  color:        var(--bg);
  background:   var(--accent);
  border-color: var(--accent);
}

/* ════════════════════════════════════════════════════════════
   PAGE TRANSITION OVERLAY
   ════════════════════════════════════════════════════════════ */
.page-transition {
  position:       fixed;
  inset:          0;
  background:     var(--bg);
  z-index:        10000;
  pointer-events: none;
  opacity:        0;
  transition:     opacity 0.32s cubic-bezier(0.4, 0, 0.2, 1);
}
.page-transition.active {
  opacity:        1;
  pointer-events: all;
}