/* =========================================================
   NEXURION SYSTEMS — Portfolio Page
   ========================================================= */

/* ── Filter Bar ──────────────────────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: var(--f-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border-radius: 100px;
  border: 1px solid var(--c-border);
  color: var(--c-muted);
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--c-blue);
  border-color: var(--c-blue);
  color: #fff;
}

/* ── Portfolio Grid ──────────────────────────────────────── */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  transition: var(--transition);
  cursor: pointer;
}

.portfolio-item:hover {
  border-color: rgba(26,107,255,0.35);
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
}

.portfolio-thumb {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--c-bg-2);
}

.portfolio-thumb-inner {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  padding: 1rem;
}

/* Simulated browser for portfolio previews */
.p-browser {
  background: var(--c-bg);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  border: 1px solid var(--c-border);
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.p-browser-bar {
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid var(--c-border);
  padding: 0.4rem 0.6rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.p-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
}

.p-browser-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}

.p-block {
  border-radius: 3px;
  background: rgba(255,255,255,0.05);
}

.p-block.hero  { flex: 2; background: linear-gradient(135deg, rgba(26,107,255,0.15), rgba(0,194,255,0.05)); }
.p-block.row   { flex: 1; display: flex; gap: 6px; }
.p-block.col   { flex: 1; background: rgba(255,255,255,0.04); border-radius: 3px; }
.p-block.wide  { flex: 3; }
.p-block.narrow{ flex: 1; }

/* Color themes for different portfolio items */
.p-theme-green  .p-block.hero { background: linear-gradient(135deg, rgba(16,185,129,0.2), rgba(5,150,105,0.05)); }
.p-theme-purple .p-block.hero { background: linear-gradient(135deg, rgba(139,92,246,0.2), rgba(109,40,217,0.05)); }
.p-theme-orange .p-block.hero { background: linear-gradient(135deg, rgba(249,115,22,0.2), rgba(234,88,12,0.05)); }
.p-theme-pink   .p-block.hero { background: linear-gradient(135deg, rgba(236,72,153,0.2), rgba(219,39,119,0.05)); }
.p-theme-teal   .p-block.hero { background: linear-gradient(135deg, rgba(20,184,166,0.2), rgba(13,148,136,0.05)); }

.portfolio-thumb::after {
  content: 'Vorschau ansehen';
  position: absolute;
  inset: 0;
  background: rgba(4,6,15,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--f-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-white);
  opacity: 0;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.portfolio-item:hover .portfolio-thumb::after { opacity: 1; }

.portfolio-info {
  padding: 1.5rem;
}

.portfolio-tags {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.portfolio-tag {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(26,107,255,0.12);
  color: var(--c-blue-bright);
}

.portfolio-info h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.portfolio-info p {
  font-size: 0.83rem;
  color: var(--c-muted);
  line-height: 1.6;
}

/* ── Case Study CTA ──────────────────────────────────────── */
.portfolio-cta {
  text-align: center;
  margin-top: 4rem;
  padding: 3.5rem;
  background: var(--c-bg-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-xl);
}

.portfolio-cta h3 {
  font-size: 1.6rem;
  margin-bottom: 0.75rem;
}

.portfolio-cta p {
  color: var(--c-muted);
  margin-bottom: 2rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .portfolio-grid { grid-template-columns: 1fr; }
}

/* ── Portfolio mobile fixes ──────────────────────────────── */
@media (max-width: 480px) {
  .filter-bar { gap: 0.4rem; }
  .filter-btn { font-size: 0.72rem; padding: 0.4rem 0.9rem; }
  .portfolio-cta { padding: 2rem 1.25rem; }
}

/* ── Live-Button ─────────────────────────────────────────── */
.portfolio-live-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1rem;
  font-family: var(--f-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-blue-bright);
  border: 1px solid rgba(26,107,255,0.25);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.9rem;
  transition: var(--transition);
}

.portfolio-live-btn:hover {
  background: rgba(26,107,255,0.1);
  border-color: var(--c-blue);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26,107,255,0.2);
}