/* =============================================
   NIXBIT — PORTFOLIO
   ============================================= */

.portfolio {
  padding: var(--section-pad);
  background: var(--bg-1);
}
.portfolio::before { display: none; }

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  background: transparent;
  border: none;
}

.portfolio-card {
  background: var(--bg-2);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: var(--transition);
  cursor: pointer;
}
.portfolio-card:hover {
  background: var(--bg-3);
  border-color: rgba(255,255,255,0.18);
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
}

/* Image wrapper — consistent height, padded so screenshot floats */
.portfolio-img-wrap {
  height: 200px;
  background: var(--bg-3);
  padding: 14px 14px 0;
  flex-shrink: 0;
  position: relative;
  overflow: hidden;
}

/* The actual screenshot — fills wrap, rounded top corners */
.portfolio-img-wrap img,
.portfolio-img-inner {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  border-radius: 10px 10px 0 0;
  display: block;
}

/* Gradient placeholder cards */
.portfolio-img-wrap.grad-1 { background: linear-gradient(135deg, rgba(74,205,245,0.15) 0%, rgba(112,97,242,0.25) 100%); }
.portfolio-img-wrap.grad-2 { background: linear-gradient(135deg, rgba(112,97,242,0.15) 0%, rgba(227,74,166,0.25) 100%); }
.portfolio-img-wrap.grad-3 { background: linear-gradient(135deg, rgba(227,74,166,0.15) 0%, rgba(112,97,242,0.25) 100%); }
.portfolio-img-wrap.grad-4 { background: linear-gradient(135deg, rgba(74,205,245,0.12) 0%, rgba(112,97,242,0.2) 100%); }
.portfolio-img-wrap.grad-5 { background: linear-gradient(135deg, rgba(112,97,242,0.12) 0%, rgba(74,205,245,0.2) 100%); }

/* Card meta row: tag sits BELOW the image, never overlapping */
.portfolio-card-meta {
  display: flex;
  align-items: center;
  padding: 14px 18px 0;
}

.portfolio-tag {
  background: rgba(112,97,242,0.15);
  border: 1px solid var(--border-accent);
  color: #a89ff7;
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 11px;
  border-radius: 100px;
}

.portfolio-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.portfolio-info h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}
.portfolio-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex: 1;
}
.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.portfolio-tech span {
  font-size: 0.72rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.05em;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 4px 10px;
  border-radius: 4px;
}

/* Portfolio card link area */
.portfolio-card-footer {
  padding: 16px 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  margin-top: auto;
}
.portfolio-card-footer .pf-action {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.portfolio-card:hover .pf-action { gap: 10px; }

.portfolio-nda {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-body);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
  background: var(--bg-3);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 100px;
}

/* ── PORTFOLIO CASE STUDY MODAL ── */
.cs-overlay {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.cs-overlay.open {
  opacity: 1;
  pointer-events: all;
}
.cs-panel {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  width: 100%;
  max-width: 860px;
  max-height: 88vh;
  overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.cs-overlay.open .cs-panel {
  transform: translateY(0);
}
.cs-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-1);
  z-index: 2;
}
.cs-panel-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--text);
}
.cs-close {
  font-size: 1.2rem;
  color: var(--text-muted);
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: var(--transition);
}
.cs-close:hover { background: var(--bg-2); color: var(--text); }
.cs-panel-body {
  padding: 40px 32px;
}
.cs-img {
  height: 300px;
  border-radius: var(--radius);
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  background-color: var(--bg-2);
  background-position: center 20px !important;
  background-size: calc(100% - 48px) auto !important;
  background-repeat: no-repeat !important;
}
.cs-img::after {
  content: '';
  position: absolute;
  inset: 24px;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.02);
}
.cs-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.cs-tag {
  background: rgba(112,97,242,0.15);
  border: 1px solid var(--border-accent);
  color: #a89ff7;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 100px;
}
.cs-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--text);
  margin-bottom: 0.8rem;
  line-height: 1.2;
}
.cs-subtitle {
  color: var(--accent);
  font-size: 0.95rem;
  font-style: italic;
  margin-bottom: 1.5rem;
}
.cs-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}
.cs-sections {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 2rem;
}
.cs-section {
  background: var(--bg-2);
  padding: 24px;
}
.cs-section h5 {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 12px;
}
.cs-section p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
}
.cs-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 2rem;
}
.cs-tech span {
  font-size: 0.72rem;
  font-family: var(--font-body);
  font-weight: 600;
  letter-spacing: 0.05em;
  background: var(--bg-3);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: 4px;
}
.cs-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ── LIGHT MODE ── */
html.light .portfolio-card { background: #fff; border-color: rgba(0,0,0,0.1); }
html.light .portfolio-card:hover { background: #f5f5f7; border-color: rgba(0,0,0,0.18); }
html.light .portfolio-img-wrap { background: #e4e4e8; }