/* ============================================
   Portfolio Page — Ditrois
   Extends style.css. Adds hero + filter + grid.
   ============================================ */

.nav-active {
  color: var(--accent) !important;
  opacity: 1 !important;
}

/* ============ HERO ============ */
.port-hero {
  padding: 90px var(--pad) 60px;
  position: relative;
  overflow: hidden;
}
.port-hero::before {
  content: "";
  position: absolute;
  top: -120px; right: -100px;
  width: 400px; height: 400px;
  background: var(--accent);
  border-radius: 50%;
  filter: blur(120px);
  opacity: .3;
  pointer-events: none;
}
.port-hero h1 {
  font-family: var(--ff-disp);
  font-size: clamp(40px, 8vw, 88px);
  font-weight: 800;
  letter-spacing: -0.045em;
  line-height: 1;
  margin: 20px 0 26px;
}
.port-hero h1 em { color: var(--accent); font-style: normal; }
.port-hero .lede {
  font-size: clamp(16px, 1.8vw, 18px);
  color: var(--ink-soft);
  max-width: 680px;
  margin: 0 0 34px;
  line-height: 1.6;
}
.port-actions {
  display: flex; flex-wrap: wrap; align-items: center; gap: 20px;
}
.port-count {
  font-size: 14px;
  color: var(--ink-soft);
}
.port-count b {
  color: var(--accent);
  font-family: var(--ff-disp);
  font-weight: 800;
  font-size: 20px;
  margin-right: 2px;
}

/* ============ FILTER BAR ============ */
.filter-sec {
  padding: 0 var(--pad) 30px;
  position: sticky;
  top: 64px;
  z-index: 50;
  background: rgba(10,10,10,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.filter-trigger { display: none; }
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 20px 0 18px;
  max-width: var(--wrap);
  margin: 0 auto;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.filter-bar::-webkit-scrollbar { display: none; }

@media (max-width: 768px) {
  .filter-sec { padding-bottom: 14px; }
  .filter-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
    margin: 14px auto 0;
    max-width: var(--wrap);
    padding: 12px 16px;
    background: var(--bg-card);
    color: var(--ink);
    border: 1px solid var(--line);
    border-radius: 12px;
    font-family: var(--ff-body);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
  }
  .filter-trigger .ft-label b { font-weight: 700; color: var(--accent); }
  .filter-trigger .ft-caret { transition: transform .2s; font-size: 12px; }
  .filter-trigger[aria-expanded="true"] .ft-caret { transform: rotate(180deg); }
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 6px;
    padding: 0;
    margin-top: 0;
    max-height: 0;
    overflow: hidden;
    border-bottom: none;
    transition: max-height .25s ease, padding .25s ease, margin-top .25s ease;
  }
  .filter-bar.is-open {
    max-height: 70vh;
    overflow-y: auto;
    padding: 12px;
    margin-top: 8px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--bg-card);
  }
  .filter-bar .f-btn { justify-content: space-between; width: 100%; }
}

.f-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--bg-card);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--ff-body);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s, color .2s, border-color .2s;
}
.f-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.f-btn.f-active {
  background: var(--accent);
  color: var(--ink-d);
  border-color: var(--accent);
  font-weight: 700;
}
.f-count {
  display: inline-block;
  font-size: 11px;
  padding: 2px 7px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  color: var(--ink-soft);
  font-weight: 600;
}
.f-btn.f-active .f-count {
  background: rgba(10,10,10,.18);
  color: var(--ink-d);
}

/* ============ GRID ============ */
.port-grid-sec {
  padding: 40px var(--pad) 110px;
  min-height: 60vh;
}
.port-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: var(--wrap);
  margin: 0 auto;
}

.port-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: transform .25s ease, border-color .25s, box-shadow .25s;
  opacity: 0;
  transform: translateY(14px);
  animation: portFadeIn .55s ease forwards;
}
@keyframes portFadeIn {
  to { opacity: 1; transform: none; }
}
.port-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
  box-shadow: 0 24px 48px rgba(0,0,0,.4);
}

.port-card figure {
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: #111;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.port-card figure img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.pc-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,10,10,.88) 100%);
  display: flex;
  align-items: flex-end;
  padding: 18px;
  opacity: 0;
  transition: opacity .3s;
}
.port-card:hover .pc-overlay { opacity: 1; }
.pc-overlay span {
  color: var(--accent);
  font-family: var(--ff-body);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
}
.pc-overlay i {
  margin-left: 6px;
  transition: transform .2s;
}
.port-card:hover .pc-overlay i { transform: translate(3px, -3px); }

.pc-body {
  padding: 18px 20px 20px;
}
.pc-cat {
  display: inline-block;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 8px;
}
.port-card h3 {
  font-family: var(--ff-disp);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
  color: var(--ink);
}
.pc-desc {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0;
  line-height: 1.5;
}

.port-empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--ink-soft);
  font-size: 16px;
}

/* ============ RESPONSIVE ============ */
@media (min-width: 560px) {
  .port-grid { grid-template-columns: 1fr 1fr; gap: 22px; }
}
@media (min-width: 900px) {
  .port-grid { grid-template-columns: repeat(3, 1fr); gap: 26px; }
}
@media (min-width: 1200px) {
  .port-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .port-card { animation: none; opacity: 1; transform: none; }
}