/* portfolio.css - portfolio grid, filters & project preview */

/* --------- PORTFOLIO HEADER --------- */
.portfolio-header{
  text-align:center;
  padding:3rem var(--gutter);
  background:var(--section);
}

.portfolio-header h1{
  font-size:clamp(2rem,5vw,3rem);
  margin:0 0 1rem;
  font-weight:800;
}

.portfolio-header .muted{
  font-size:1.05rem;
  max-width:60ch;
  margin:0 auto;
}

/* --------- FILTER SECTION --------- */
.filter-section{
  padding:2rem var(--gutter);
  text-align:center;
}

.filter-buttons{
  display:flex;
  gap:0.75rem;
  justify-content:center;
  flex-wrap:wrap;
}

.filter-btn{
  padding:0.6rem 1.2rem;
  border:1.5px solid rgba(0,0,0,0.1);
  background:transparent;
  color:var(--fg);
  border-radius:10px;
  cursor:pointer;
  font-weight:500;
  transition:all var(--ease);
  font-size:0.9rem;
}

body.dark-mode .filter-btn{
  border-color:rgba(255,255,255,0.1);
}

.filter-btn:hover{
  border-color:var(--accent);
  color:var(--accent);
}

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

/* --------- PORTFOLIO GRID --------- */
.portfolio-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(300px, 1fr));
  gap:2rem;
  padding:2rem var(--gutter);
}

.portfolio-card{
  background:var(--card);
  border-radius:12px;
  overflow:hidden;
  transition:transform var(--ease), box-shadow var(--ease), opacity 220ms ease;
  cursor:pointer;
  display:block;
  opacity:1;
}

.portfolio-card:hover{
  transform:translateY(-8px);
  box-shadow:0 12px 40px rgba(0,0,0,0.15);
}

body.dark-mode .portfolio-card:hover{
  box-shadow:0 12px 40px rgba(0,0,0,0.35);
}

.portfolio-card-image{
  width:100%;
  height:200px;
  overflow:hidden;
  background:#ddd;
}

.portfolio-card-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.3s ease;
}

.portfolio-card:hover .portfolio-card-image img{
  transform:scale(1.05);
}

.portfolio-card-content{
  padding:1.5rem;
}

.category{
  display:inline-block;
  font-size:0.75rem;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:0.5px;
  color:var(--accent);
  margin-bottom:0.5rem;
}

.portfolio-card h3{
  margin:0.5rem 0;
  font-size:1.3rem;
  color:var(--fg);
}

.portfolio-card p{
  margin:0.5rem 0 1rem;
  color:var(--muted);
  font-size:0.95rem;
  line-height:1.4;
}

.portfolio-card-link{
  display:inline-block;
  color:var(--accent);
  text-decoration:none;
  font-weight:600;
  transition:color var(--ease);
}

.portfolio-card-link:hover{
  color:var(--fg);
  text-decoration:underline;
}

/* --------- PROJECT PREVIEW OVERLAY --------- */
.pc-overlay.hidden{
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity 240ms ease, visibility 240ms ease;
}

.pc-overlay{
  position:fixed;
  inset:0;
  z-index:11000;
  display:flex;
  align-items:center;
  justify-content:center;
}

.pc-bg-video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  z-index:10;
  filter:blur(3px) brightness(0.45);
}

.pc-dim{
  position:absolute;
  inset:0;
  background:rgba(0,0,0,0.32);
  z-index:11;
}

.pc-preview-card{
  position:relative;
  z-index:20;
  background:rgba(255,255,255,0.98);
  color:#0b0b0b;
  border-radius:14px;
  padding:2rem;
  max-width:960px;
  width:calc(100% - 48px);
  box-shadow:0 30px 80px rgba(0,0,0,0.45);
  transition:transform 240ms cubic-bezier(.2,.9,.2,1), opacity 200ms ease;
}

body.dark-mode .pc-preview-card{
  background:rgba(12,12,14,0.95);
  color:#fff;
}

.pc-preview-inner{
  display:flex;
  gap:2rem;
  align-items:center;
}

.pc-thumb{
  width:260px;
  height:160px;
  object-fit:cover;
  border-radius:10px;
  flex-shrink:0;
  background:#ddd;
}

.pc-preview-text h2{
  margin:0 0 0.5rem;
  font-size:1.8rem;
}

.pc-preview-text p{
  margin:0;
  opacity:0.9;
  font-size:1rem;
}

.pc-close{
  position:absolute;
  top:15px;
  right:15px;
  border:0;
  background:transparent;
  font-size:2rem;
  cursor:pointer;
  color:inherit;
  transition:color var(--ease);
}

.pc-close:hover{
  color:var(--accent);
}

.pc-nav{
  position:absolute;
  top:50%;
  transform:translateY(-50%);
  z-index:21;
  border:0;
  background:rgba(255,255,255,0.94);
  color:#111;
  width:48px;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:2rem;
  border-radius:8px;
  box-shadow:0 6px 18px rgba(0,0,0,0.25);
  cursor:pointer;
  transition:background var(--ease);
}

.pc-nav:hover{
  background:#fff;
}

.pc-prev{left:18px;}
.pc-next{right:18px;}

/* --------- RESPONSIVE --------- */
@media (max-width:760px){
  .filter-buttons{
    gap:0.5rem;
  }
  
  .filter-btn{
    padding:0.5rem 1rem;
    font-size:0.85rem;
  }
  
  .portfolio-grid{
    grid-template-columns:1fr;
    gap:1.5rem;
  }
  
  .pc-preview-inner{
    flex-direction:column;
    align-items:stretch;
  }
  
  .pc-thumb{
    width:100%;
    height:180px;
  }
  
  .pc-nav{
    display:none;
  }
  
  .pc-preview-card{
    padding:1.5rem;
  }
}

@media (max-width:480px){
  .portfolio-header h1{
    font-size:1.8rem;
  }
  
  .filter-section{
    padding:1.5rem var(--gutter);
  }
  
  .portfolio-card-content{
    padding:1rem;
  }
}