/* ===== PORTFOLIO PAGE ===== */

/* Hero */
.portfolio-hero {
  position: relative;
  padding: 160px 24px 80px;
  text-align: center;
  overflow: hidden;
}
.portfolio-hero .glow-1 {
  width: 500px; height: 500px;
  background: rgba(0,212,212,0.06);
  top: -150px; left: 50%;
  transform: translateX(-50%);
}
.portfolio-hero .glow-2 {
  width: 300px; height: 300px;
  background: rgba(0,180,255,0.04);
  bottom: 0; right: 15%;
}
.portfolio-hero h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--white);
  margin: 8px 0 20px;
}
.portfolio-hero p {
  max-width: 520px;
  margin: 0 auto;
  font-size: 1.1rem;
}

/* Nav active state */
.nav-active {
  color: var(--cyan) !important;
}

/* Portfolio section */
.portfolio-section {
  padding: 60px 0 100px;
}

/* Filter bar */
.filter-bar {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 10px 24px;
  border-radius: 100px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
}
.filter-btn:hover {
  border-color: var(--border-cyan);
  color: var(--white);
}
.filter-btn.active {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--bg);
  font-weight: 700;
}

/* Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Card */
.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.portfolio-card:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.3);
}
.portfolio-card.hidden {
  display: none;
}

/* Card media */
.card-media {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: #0a0d18;
}
.card-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: rgba(255,255,255,0.15);
  border: 2px dashed rgba(255,255,255,0.07);
  margin: 16px;
  border-radius: 8px;
  transition: var(--transition);
}
.portfolio-card:hover .card-placeholder {
  color: rgba(0,212,212,0.3);
  border-color: rgba(0,212,212,0.2);
}
.card-placeholder svg {
  width: 40px; height: 40px;
}
.card-placeholder span {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.card-media img,
.card-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Card overlay */
.card-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 14px;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, transparent 50%);
  opacity: 0;
  transition: var(--transition);
}
.portfolio-card:hover .card-overlay {
  opacity: 1;
}
.card-category {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bg);
  background: var(--cyan);
  padding: 4px 10px;
  border-radius: 100px;
}
.play-btn {
  width: 44px; height: 44px;
  background: rgba(0,212,212,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: var(--transition);
}
.play-btn svg { width: 16px; height: 16px; margin-left: 2px; }
.portfolio-card:hover .play-btn { opacity: 1; }

/* Card info */
.card-info {
  padding: 20px 22px 22px;
}
.card-info h3 {
  color: var(--white);
  font-size: 1rem;
  margin-bottom: 6px;
}
.card-info p {
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Case study card */
.case-study-card {
  aspect-ratio: unset;
  min-height: 220px;
  background: linear-gradient(135deg, rgba(0,212,212,0.06), #0a0d18);
  border-top: 2px solid var(--border-cyan);
}
.case-study-content {
  padding: 28px;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.case-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cyan);
}
.case-study-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
}
.case-study-content p {
  font-size: 0.875rem;
  line-height: 1.65;
  flex: 1;
}
.case-stats {
  display: flex;
  gap: 24px;
  margin-top: 8px;
}
.case-stat strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--cyan);
  line-height: 1;
}
.case-stat span {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
  display: block;
}

/* Website card */
.website-card {
  aspect-ratio: unset;
  padding: 16px;
  background: #080b16;
}
.website-browser {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  height: 100%;
}
.browser-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  background: #0e1220;
  border-bottom: 1px solid var(--border);
}
.browser-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
  flex-shrink: 0;
}
.browser-dot:first-child { background: rgba(255, 95, 87, 0.5); }
.browser-dot:nth-child(2) { background: rgba(255, 189, 46, 0.5); }
.browser-dot:nth-child(3) { background: rgba(40, 200, 64, 0.5); }
.browser-url {
  flex: 1;
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  padding: 3px 10px;
  border-radius: 100px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.browser-screen {
  background: #0a0d18;
  min-height: 160px;
  position: relative;
}
.browser-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.screen-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  color: rgba(255,255,255,0.12);
}
.screen-placeholder svg { width: 32px; height: 32px; }
.screen-placeholder span {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.portfolio-card:hover .screen-placeholder {
  color: rgba(0,212,212,0.3);
}

.website-meta {
  margin-bottom: 8px;
}
.card-tag {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--cyan);
}
.website-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--cyan);
  margin-top: 12px;
  transition: var(--transition);
}
.website-link svg { width: 13px; height: 13px; }
.website-link:hover { opacity: 0.75; }

/* CTA */
.portfolio-cta {
  text-align: center;
  margin-top: 72px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.portfolio-cta p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .portfolio-grid { grid-template-columns: 1fr; }
  .portfolio-hero { padding: 130px 24px 60px; }
}