/* Portfolio page styles: grid-based cards, responsive, subtle hover and entrance animations */

:root{
  --portfolio-gap: 24px;
  --card-radius: 12px;
  --card-bg: #0b1220;
  --card-elev: 0 8px 24px rgba(2,6,23,0.6);
  --accent: #fbbf24;
  --text-muted: #a8b3c3;
}

/* Container */
.portfolio-section .container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px;
}

@media (min-width: 768px){
  .portfolio-section .container{
    padding: 40px 24px;
  }
}

@media (min-width: 1024px){
  .portfolio-section .container{
    padding: 48px 20px;
  }
}

.portfolio-header h1{
  font-size: 1.75rem;
  margin: 0 0 6px 0;
  color: var(--text-color, #fff);
}

@media (min-width: 768px){
  .portfolio-header h1{
    font-size: 2rem;
  }
}

@media (min-width: 1024px){
  .portfolio-header h1{
    font-size: 2.25rem;
  }
}

.portfolio-header .lead{
  margin: 0 0 18px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (min-width: 768px){
  .portfolio-header .lead{
    font-size: 1rem;
  }
}

/* Filters — Touch optimized */
.filters{
  display:flex;
  gap:8px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  margin-bottom:20px;
}

@media (min-width: 768px){
  .filters{
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 24px;
    overflow-x: visible;
  }
}

.filter-btn{
  background:transparent;
  border:1px solid rgba(255,255,255,0.06);
  color:var(--text-muted);
  padding:10px 16px;
  border-radius:999px;
  cursor:pointer;
  transition:all .18s ease;
  white-space:nowrap;
  flex-shrink:0;
  min-height: 44px;
  display: flex;
  align-items: center;
  font-size: 0.9rem;
}

@media (min-width: 768px){
  .filter-btn{
    padding: 8px 14px;
    min-height: auto;
    font-size: 1rem;
  }
}

.filter-btn.active,
.filter-btn:hover{
  background:rgba(251,191,36,0.08);
  color:var(--accent);
  border-color:rgba(251,191,36,0.18);
}

@media (hover:hover){
  .filter-btn:hover{
    transform:translateY(-2px);
  }
}

/* Grid */
.portfolio-grid{
  display:grid;
  gap:var(--portfolio-gap);
  grid-template-columns: repeat(4, 1fr); /* Desktop: 4 columns */
}

/* Card */
.portfolio-card{
  background:var(--card-bg);
  border-radius:var(--card-radius);
  overflow:hidden;
  box-shadow:var(--card-elev);
  transform:translateY(12px) scale(0.995);
  opacity:0;
  transition:transform .36s cubic-bezier(.2,.9,.2,1),opacity .36s ease,box-shadow .2s ease;
  will-change:transform,opacity;
  display:flex;
  flex-direction:column;
}
.portfolio-card.is-visible{
  transform:translateY(0) scale(1);
  opacity:1;
}
.portfolio-card:hover{
  transform:translateY(-6px) scale(1.01);
  box-shadow:0 18px 40px rgba(2,6,23,0.7);
}

.portfolio-card:active{
  transform:translateY(-2px) scale(0.99);
}

.card-media{
  position:relative;
  height:200px;
  margin:0;
  overflow:hidden;
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .6s ease;
}

@media (hover:hover){
  .portfolio-card:hover .card-media img{
    transform:scale(1.06);
  }
}

.card-tag{
  position:absolute;
  left:12px;
  bottom:12px;
  background:rgba(0,0,0,0.5);
  color:var(--accent);
  padding:6px 10px;
  border-radius:999px;
  font-size:0.85rem;
  backdrop-filter: blur(4px);
}

.card-body{
  padding:16px;
}
.card-title{
  margin:0 0 8px 0;
  font-size:1.05rem;
}
.card-desc{
  margin:0;
  color:var(--text-muted);
  font-size:0.95rem;
  line-height:1.4;
}

/* Responsive — Mobile First */
.portfolio-grid{
  grid-auto-rows: 1fr;
  grid-template-columns: 1fr;
}

@media (min-width: 560px){
  .portfolio-grid{ grid-template-columns: repeat(2, 1fr); }
  .card-media{ height:200px }
}

@media (min-width: 900px){
  .portfolio-grid{ grid-template-columns: repeat(3, 1fr); }
  .card-media{ height:190px }
}

@media (min-width: 1200px){
  .portfolio-grid{ grid-template-columns: repeat(4, 1fr); }
}

/* Play overlay */
.play-overlay{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  pointer-events:none;
}
.play-overlay .play-btn{
  width:64px;
  height:64px;
  background:rgba(0,0,0,0.48);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--accent);
  opacity:0;
  transform:scale(.96);
  transition:opacity .22s ease,transform .22s cubic-bezier(.2,.9,.2,1);
}
.portfolio-card:hover .play-overlay .play-btn{
  opacity:1;
  transform:scale(1);
}

/* Photography mode: dense, gap-free grid using auto-fill and minmax */
.portfolio-grid.photography-mode{
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  grid-auto-flow: dense;
  gap:12px;
}

/* Transition helpers for smooth filter animations */
.portfolio-card.fading-out{
  opacity:0;
  transform:translateY(8px) scale(.995);
  transition:opacity .28s ease, transform .28s ease;
}
.portfolio-card.hidden{
  display:none !important;
}
.portfolio-card.fading-in{
  opacity:1;
  transform:none;
  transition:opacity .36s cubic-bezier(.2,.9,.2,1),transform .36s cubic-bezier(.2,.9,.2,1);
}

/* Hidden state for filtering - use visibility + transform for smoother animation */
.portfolio-card.hidden{
  pointer-events:none;
  transform:scale(.98) translateY(8px);
  opacity:0;
  height:0;
  margin:0;
  padding:0;
  overflow:hidden;
  transition:opacity .28s ease,transform .28s ease,height .28s ease;
}

/* Accessibility focus */
.filter-btn:focus{outline:2px solid rgba(251,191,36,0.24);outline-offset:3px}

/* Modal / Lightbox */
.pp-overlay{
  position:fixed;
  inset:0;
  background:rgba(2,6,23,0.78);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:120000;
  opacity:0;
  pointer-events:none;
  transition:opacity .28s ease;
}
.pp-overlay.open{
  opacity:1;
  pointer-events:auto;
}
.pp-modal{
  max-width:1100px;
  width:calc(100% - 24px);
  max-height:85vh;
  background:linear-gradient(180deg, rgba(11,18,32,0.98), rgba(6,10,18,0.98));
  border-radius:12px;
  overflow:hidden;
  box-shadow:0 30px 80px rgba(2,6,23,0.8);
  transform:translateY(16px) scale(.995);
  transition:transform .28s cubic-bezier(.2,.9,.2,1);
}

@media (min-width: 768px){
  .pp-modal{
    width:calc(100% - 48px);
    max-height:90vh;
  }
}

.pp-overlay.open .pp-modal{transform:translateY(0) scale(1)}
.pp-media{
  width:100%;
  height:50vh;
  background:#000;
  display:flex;
  align-items:center;
  justify-content:center;
}

@media (min-width: 768px){
  .pp-media{ height:60vh; }
}

.pp-media img, .pp-media video{
  max-width:100%;
  max-height:100%;
  display:block;
}
.pp-meta{
  padding:14px 18px;
  color:var(--text-muted);
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.pp-title{font-weight:700;color:var(--text-color,#fff);margin:0}
.pp-close{
  background:transparent;border:0;color:var(--text-muted);font-size:1.2rem;cursor:pointer;padding:8px;border-radius:6px;
}
.pp-close:focus{outline:2px solid rgba(251,191,36,0.2)}

/* Web Projects (iframe cards) */
.web-projects-section .container{ max-width:1200px; margin:32px auto; padding:20px 16px; }
.web-projects-grid{ display:grid; gap:20px; grid-template-columns: 1fr; }

.web-project-card{ background:var(--card-bg); border-radius:12px; overflow:hidden; box-shadow:var(--card-elev); display:flex; flex-direction:column; }
.web-project-figure{ position:relative; width:100%; background:#000; }
.web-project-figure .frame-wrap{ position:relative; width:100%; height:0; padding-bottom:56.25%; /* 16:9 */ overflow:hidden; }
.web-project-figure iframe, .web-project-figure img{ position:absolute; inset:0; width:100%; height:100%; border:0; display:block; }
.web-project-meta{ padding:12px 14px; display:flex; align-items:center; justify-content:space-between; gap:12px; }
.web-project-title{ margin:0; font-size:1rem; color:var(--text-color,#fff); }
.web-project-actions{ display:flex; gap:8px; align-items:center; }
.web-btn{ background:transparent; border:1px solid rgba(255,255,255,0.06); color:var(--text-muted); padding:8px 10px; border-radius:8px; cursor:pointer; font-size:0.95rem; }
.web-btn.primary{ background:var(--accent); color:#061018; border-color:transparent; }
.web-btn:focus{ outline:3px solid rgba(251,191,36,0.22); outline-offset:3px; }

.web-project-card.placeholder .frame-wrap{ background:linear-gradient(90deg,#111 0%, #0b1220 50%, #111 100%); display:flex; align-items:center; justify-content:center; }
.web-project-card.iframe-blocked .frame-wrap{ background:#071018; color:var(--text-muted); display:flex; align-items:center; justify-content:center; }
.web-project-card.iframe-blocked .frame-message{ padding:8px 12px; color:var(--text-muted); text-align:center; }

/* Small screens: stack */
@media (min-width:560px){ .web-projects-grid{ grid-template-columns: repeat(2,1fr); } }
@media (min-width:900px){ .web-projects-grid{ grid-template-columns: repeat(3,1fr); } }

/* Ensure visible focus for keyboard users on interactive elements */
.card-link:focus, .web-btn:focus, .filter-btn:focus{ box-shadow:0 0 0 4px rgba(251,191,36,0.08); }

/* Hidden visually but accessible label for iframe title fallback */
.sr-only{ position:absolute !important; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }