/* --------------------------------------------
   PORTFOLIO PAGE
--------------------------------------------- */

body.lightbox-open {
  overflow: hidden;
}

.portfolio-hero {
  padding: 26px 0 22px;
}

.portfolio-hero-card {
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at top left, rgba(216,168,95,0.08), transparent 28%),
    linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.portfolio-hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 26px;
  align-items: end;
  margin-top: 18px;
}

.portfolio-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(42px, 6vw, 74px);
  line-height: 0.98;
  letter-spacing: -0.04em;
  font-weight: 600;
  max-width: 760px;
}

.portfolio-lead {
  margin: 24px 0 0;
  max-width: 700px;
  color: rgba(244,241,234,0.84);
  font-size: 18px;
  line-height: 1.72;
}

.portfolio-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.portfolio-hero-note {
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 24px;
  background: rgba(255,255,255,0.03);
  align-self: stretch;
}

.portfolio-hero-note strong {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.portfolio-hero-note span {
  display: block;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.portfolio-head {
  margin-bottom: 26px;
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.portfolio-item {
  min-width: 0;
}

.portfolio-open {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.015)),
    linear-gradient(135deg, rgba(216,168,95,0.05), transparent 56%);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.portfolio-open:hover {
  transform: translateY(-3px);
  border-color: rgba(216,168,95,0.24);
}

.portfolio-frame {
  display: grid;
  place-items: center;
  min-height: 280px;
  padding: 18px;
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid rgba(20,24,32,0.08);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.9),
    0 12px 30px rgba(0,0,0,0.12);
  overflow: hidden;
}

.portfolio-frame img {
  display: block;
  width: 100%;
  height: 240px;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  filter: none;
}

.portfolio-meta {
  display: block;
  padding-top: 16px;
}

.portfolio-meta strong {
  display: block;
  font-size: 18px;
  line-height: 1.3;
  margin-bottom: 8px;
}

.portfolio-meta span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.62;
}

.portfolio-lightbox {
  position: fixed;
  inset: 0;
  z-index: 120;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.portfolio-lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.portfolio-lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5,6,9,0.84);
  backdrop-filter: blur(8px);
}

.portfolio-lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(1200px, calc(100% - 32px));
  height: min(90vh, 920px);
  margin: 4vh auto;
  display: grid;
  grid-template-rows: 1fr auto;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(180deg, #11141a 0%, #0b0d12 100%);
  box-shadow: 0 34px 90px rgba(0,0,0,0.5);
}

.portfolio-lightbox-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px;
  overflow: hidden;
  background: #ffffff;
}

.portfolio-lightbox-media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
  filter: none;
}

.portfolio-lightbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  background: rgba(10,11,13,0.92);
}

.portfolio-lightbox-caption {
  color: rgba(244,241,234,0.86);
  font-size: 15px;
  line-height: 1.6;
}

.portfolio-lightbox-counter {
  color: var(--accent);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.portfolio-close,
.portfolio-nav {
  position: absolute;
  z-index: 2;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(10,11,13,0.62);
  color: var(--text);
  backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.portfolio-close:hover,
.portfolio-nav:hover {
  transform: translateY(-1px);
  background: rgba(16,18,24,0.82);
}

.portfolio-close {
  top: 18px;
  right: 18px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-size: 30px;
  line-height: 1;
}

.portfolio-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  font-size: 36px;
  line-height: 1;
}

.portfolio-prev {
  left: 18px;
}

.portfolio-next {
  right: 18px;
}

.portfolio-prev:hover,
.portfolio-next:hover {
  transform: translateY(calc(-50% - 1px));
}

@media (max-width: 1180px) {
  .portfolio-hero-grid,
  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
  }

  .portfolio-hero-grid {
    gap: 20px;
  }
}

@media (max-width: 920px) {
  .portfolio-hero-card {
    padding: 24px;
  }

  .portfolio-title {
    font-size: clamp(36px, 8vw, 54px);
  }

  .portfolio-lead {
    font-size: 16px;
    line-height: 1.62;
  }

  .portfolio-grid {
    grid-template-columns: 1fr 1fr;
  }

  .portfolio-frame {
    min-height: 260px;
    background: #ffffff;
  }

.portfolio-frame img {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 240px;
  object-fit: contain;
  object-position: center;
  filter: none;
}

  .portfolio-lightbox-dialog {
    width: min(100%, calc(100% - 16px));
    height: min(92vh, 900px);
    margin: 2vh auto;
    border-radius: 22px;
  }

  .portfolio-lightbox-media {
    padding: 20px;
    background: #ffffff;
  }

  .portfolio-nav {
    width: 48px;
    height: 48px;
    font-size: 30px;
  }
}

@media (max-width: 640px) {
  .portfolio-hero {
    padding: 16px 0 12px;
  }

  .portfolio-hero-card {
    padding: 18px;
    border-radius: 22px;
  }

  .portfolio-title {
    font-size: clamp(30px, 10vw, 40px);
    line-height: 0.99;
  }

  .portfolio-lead {
    margin-top: 16px;
    font-size: 15px;
    line-height: 1.58;
  }

  .portfolio-hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 20px;
  }

  .portfolio-hero-actions .btn,
  .portfolio-hero-actions .btn-ghost {
    width: 100%;
  }

  .portfolio-hero-note {
    padding: 18px;
    border-radius: 18px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .portfolio-open {
    padding: 12px;
    border-radius: 20px;
  }

  .portfolio-frame {
    min-height: 220px;
    padding: 14px;
    border-radius: 16px;
    background: #ffffff;
  }

  .portfolio-frame img {
    height: 180px;
  }

  .portfolio-meta {
    padding-top: 14px;
  }

  .portfolio-meta strong {
    font-size: 17px;
  }

  .portfolio-meta span {
    font-size: 13px;
    line-height: 1.55;
  }

  .portfolio-lightbox-dialog {
    grid-template-rows: 1fr auto;
    border-radius: 18px;
  }

  .portfolio-lightbox-media {
    padding: 14px;
    background: #ffffff;
  }

  .portfolio-lightbox-bar {
    flex-direction: column;
    align-items: flex-start;
    padding: 14px 16px;
  }

  .portfolio-close {
    top: 10px;
    right: 10px;
    width: 42px;
    height: 42px;
    font-size: 26px;
  }

  .portfolio-nav {
    width: 42px;
    height: 42px;
    font-size: 26px;
  }

  .portfolio-prev {
    left: 10px;
  }

  .portfolio-next {
    right: 10px;
  }
}

@media (max-width: 390px) {
  .portfolio-title {
    font-size: 28px;
  }

  .portfolio-frame img {
    height: 160px;
  }
}