/* =================================
   Portfolio page — system cards
   Uses site palette: bg #000, primary #77BEFF, gradient #00D1FF
================================= */

.portfolio-mono {
  font-family: 'IBM Plex Mono', monospace;
}

/* ---------- Stats row ---------- */
.portfolio-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}
.portfolio-stats .stat-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 2.2rem;
  font-weight: 600;
  color: #77BEFF;
  line-height: 1;
}
.portfolio-stats .stat-label {
  margin-top: 8px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.02em;
}

/* ---------- Index / legend of systems ---------- */
.sys-index {
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.02);
  padding: 8px 24px;
}
.sys-index-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px dashed rgba(255,255,255,0.12);
  text-decoration: none;
  transition: color 0.2s ease;
}
.sys-index-item:last-child { border-bottom: none; }
.sys-index-item:hover .sys-index-code { color: #fff; }
.sys-index-code {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  color: #77BEFF;
  transition: color 0.2s ease;
}
.sys-index-name {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  text-align: right;
}

/* ---------- Section head ---------- */
.sys-section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 44px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.sys-section-head h2 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.6rem;
  color: #fff;
  margin: 0;
}
.sys-section-head .sys-section-tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
}

/* ---------- System card ---------- */
.sys-card {
  position: relative;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.02);
  padding: 36px 32px;
  margin-bottom: 32px;
}
.sys-card::before,
.sys-card::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: #77BEFF;
  border-style: solid;
  opacity: 0.85;
}
.sys-card::before { top: -1px; left: -1px; border-width: 2px 0 0 2px; }
.sys-card::after { bottom: -1px; right: -1px; border-width: 0 2px 2px 0; }

.sys-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.sys-tag {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: #77BEFF;
}
.sys-card h3 {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1.4rem;
  color: #fff;
  font-weight: 600;
  margin: 6px 0 0;
}
.sys-stack {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.sys-stack span {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: #fff;
  border: 1px solid rgba(119,190,255,0.4);
  background: rgba(119,190,255,0.08);
  padding: 4px 10px;
}
.sys-card p.sys-desc {
  color: rgba(255,255,255,0.6);
  max-width: 74ch;
  margin-bottom: 28px;
}

/* screenshots grid */
.sys-shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
}
.sys-shot {
  border: 1px solid rgba(255,255,255,0.12);
  background: #0a0a0a;
  overflow: hidden;
}
.sys-shot a.portfolio-img {
  display: block;
  position: relative;
  cursor: zoom-in;
}
.sys-shot img {
  width: 100%;
  display: block;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.35s ease, filter 0.35s ease;
}
.sys-shot a.portfolio-img::after {
  content: "\f00e";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.7);
  width: 40px;
  height: 40px;
  line-height: 40px;
  text-align: center;
  border-radius: 50%;
  background: rgba(0,0,0,0.55);
  color: #fff;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}
.sys-shot a.portfolio-img:hover::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}
.sys-shot a.portfolio-img:hover img {
  transform: scale(1.04);
  filter: brightness(0.7);
}
.sys-shot figcaption {
  padding: 8px 10px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.66rem;
  color: rgba(255,255,255,0.5);
  border-top: 1px dashed rgba(255,255,255,0.12);
  display: flex;
  justify-content: space-between;
  gap: 8px;
}
.sys-shot figcaption .idx { color: #77BEFF; }

/* wide shots (dashboards) */
.sys-shots.is-wide .sys-shot img { aspect-ratio: 16/9; object-position: bottom center; }
.sys-shots .sys-shot.is-square img { aspect-ratio: 1/1; }

/* ---------- Signature band ---------- */
.sys-signature {
  border-top: 1px dashed rgba(255,255,255,0.12);
  padding-top: 28px;
  margin-top: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}
.sys-signature a { color: #77BEFF; text-decoration: none; }
.sys-signature a:hover { text-decoration: underline; }

@media (max-width: 767px) {
  .sys-card { padding: 26px 20px; }
  .portfolio-stats { gap: 32px; }
}