/* Portfolio page */
.portfolio-page { background: var(--paper); }
.portfolio-page main { overflow: clip; }
.portfolio-page .site-header { background: rgba(243,240,233,.9); border-color: var(--line); backdrop-filter: blur(16px); }

.portfolio-hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: 116px var(--pad) clamp(90px, 11vw, 150px);
}
.portfolio-hero__meta {
  display: flex;
  justify-content: space-between;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ink);
  font-size: var(--small-size);
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.portfolio-hero__main {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
  align-items: end;
  gap: clamp(40px, 7vw, 110px);
  padding: clamp(48px, 7vw, 96px) 0;
}
.portfolio-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(78px, 10vw, 156px);
  font-weight: 900;
  line-height: .82;
  letter-spacing: .004em;
  text-transform: uppercase;
}
.portfolio-hero h1 span { color: var(--accent); }
.portfolio-hero__main p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: var(--body-size);
  line-height: 1.65;
}
.category-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
}
.category-index a {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  min-height: 72px;
  padding: 0 18px 0 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(18px, 1.5vw, 24px);
  transition: color .2s ease, padding .2s ease, background .2s ease;
}
.category-index a:nth-child(even) { padding-left: 24px; }
.category-index a:nth-child(odd) { border-right: 1px solid var(--line); }
.category-index a::after { content: '↓'; font-family: var(--font-body); font-size: 16px; }
.category-index a span { font-family: var(--font-body); font-size: 11px; letter-spacing: .1em; }
.category-index a:hover,
.category-index a:focus-visible { color: white; background: var(--accent); padding-left: 16px; }

.portfolio-category {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(90px, 11vw, 160px) var(--pad);
  border-top: 1px solid var(--line);
  scroll-margin-top: 86px;
}
.portfolio-category--featured { padding-top: clamp(100px, 12vw, 180px); }
.category-heading {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) minmax(240px, 360px);
  align-items: end;
  gap: clamp(28px, 5vw, 76px);
  padding-bottom: clamp(36px, 5vw, 70px);
}
.category-heading__number {
  align-self: start;
  padding-top: 10px;
  font-size: var(--small-size);
  font-weight: 600;
  letter-spacing: .12em;
}
.category-heading h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--section-title-size);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: .008em;
  word-break: normal;
  overflow-wrap: normal;
  text-wrap: balance;
}
.category-heading p {
  margin: 0;
  color: var(--muted);
  font-size: var(--body-size);
  line-height: 1.65;
}

.featured-projects { display: grid; gap: clamp(54px, 8vw, 110px); }
.gallery-card { min-width: 0; }
.gallery-card__viewport {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: 0 20px 70px rgba(23,20,15,.08);
  touch-action: pan-y;
}
.gallery-card__track {
  display: flex;
  transition: transform .55s cubic-bezier(.2,.7,.2,1);
  will-change: transform;
}
.gallery-card__slide {
  flex: 0 0 100%;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}
.gallery-card__slide img {
  display: block;
  width: 100%;
  aspect-ratio: 1.75 / 1;
  object-fit: contain;
  object-position: center center;
}
.gallery-card__arrow {
  position: absolute;
  top: 50%;
  z-index: 2;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: 52px;
  height: 52px;
  padding: 0;
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 50%;
  color: white;
  background: rgba(0,0,0,.28);
  backdrop-filter: blur(8px);
  transform: translateY(-50%);
  cursor: pointer;
  appearance: none;
  transition: color .2s ease, background .2s ease;
}
.gallery-card__arrow svg {
  display: block;
  width: 22px;
  height: 22px;
  overflow: visible;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transform-origin: 50% 50%;
}
.gallery-card__arrow--prev svg { transform: rotate(180deg); }
.gallery-card__arrow:hover,
.gallery-card__arrow:focus-visible { color: var(--accent); background: white; }
.gallery-card__arrow--prev { left: 18px; }
.gallery-card__arrow--next { right: 18px; }
.gallery-card__counter {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  min-width: 66px;
  padding: 9px 13px;
  border-radius: 999px;
  color: white;
  background: rgba(0,0,0,.44);
  backdrop-filter: blur(8px);
  font-size: 12px;
  text-align: center;
  letter-spacing: .08em;
}
.gallery-card__caption {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(250px, 420px);
  align-items: start;
  gap: 40px;
  padding-top: 24px;
}
.gallery-card__caption span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .1em;
}
.gallery-card__caption h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(34px, 4vw, 60px);
  line-height: 1;
}
.gallery-card__caption p { margin: 0; color: var(--muted); line-height: 1.65; }
.gallery-card__dots { display: flex; gap: 8px; padding-top: 18px; }
.gallery-card__dot {
  width: 34px;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(23,20,15,.2);
  cursor: pointer;
  transition: width .25s ease, background .25s ease;
}
.gallery-card__dot.is-active { width: 58px; background: var(--accent); }

.empty-category {
  min-height: clamp(340px, 42vw, 600px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 2vw, 26px);
  padding: clamp(36px, 6vw, 80px);
  border: 1px solid rgba(23,20,15,.16);
  border-radius: var(--radius);
  text-align: center;
  overflow: hidden;
}
.empty-category p {
  margin: 0;
  color: rgba(23,20,15,.35);
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 58px);
  font-weight: 600;
  line-height: 1.05;
}
.empty-category img {
  width: clamp(230px, 31vw, 480px);
  max-width: 90%;
  height: auto;
  opacity: .35;
  filter: grayscale(1);
  mix-blend-mode: multiply;
}

@media (max-width: 900px) {
  .portfolio-hero { padding-top: 94px; }
  .portfolio-hero__main { grid-template-columns: 1fr; gap: 28px; }
  .portfolio-hero h1 { font-size: clamp(68px, 14vw, 118px); }
  .category-heading { grid-template-columns: 52px 1fr; gap: 22px; }
  .category-heading p { grid-column: 2; max-width: 600px; }
  .gallery-card__caption { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 620px) {
  .portfolio-hero { padding: 82px 18px 72px; }
  .portfolio-hero__meta { padding-bottom: 10px; }
  .portfolio-hero__main { padding: 34px 0 42px; }
  .portfolio-hero h1 { font-size: clamp(50px, 16vw, 78px); line-height: .86; }
  .category-index { grid-template-columns: 1fr; }
  .category-index a:nth-child(odd) { border-right: 0; }
  .category-index a { grid-template-columns: 42px 1fr auto; min-height: 64px; padding-right: 10px; }
  .portfolio-category { padding: 72px 18px; scroll-margin-top: 70px; }
  .category-heading {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-bottom: 28px;
    justify-items: center;
    text-align: center;
  }
  .category-heading__number {
    padding-top: 0;
    justify-self: center;
  }
  .category-heading h2 {
    max-width: 11ch;
    margin: 0 auto;
    font-size: clamp(34px, 10.2vw, 54px);
    text-align: center;
  }
  .category-heading p {
    grid-column: 1;
    padding-left: 0;
    max-width: 32rem;
    margin: 0 auto;
    text-align: center;
  }
  .featured-projects { gap: 62px; }
  .gallery-card__slide img { aspect-ratio: 1.18 / 1; object-fit: contain; object-position: center center; }
  .gallery-card__arrow { width: 44px; height: 44px; }
  .gallery-card__arrow svg { width: 20px; height: 20px; }
  .gallery-card__arrow--prev { left: 10px; }
  .gallery-card__arrow--next { right: 10px; }
  .gallery-card__counter { right: 10px; bottom: 10px; }
  .gallery-card__caption { padding-top: 18px; }
  .gallery-card__caption h3 { font-size: 38px; }
  .empty-category { min-height: 360px; padding: 28px 18px; }
  .empty-category p { font-size: clamp(30px, 10vw, 44px); }
  .empty-category img { width: min(84vw, 360px); }
}


/* v24: precise mobile centering and aligned category columns */
@media (max-width: 620px) {
  .category-index a,
  .category-index a:nth-child(even) {
    grid-template-columns: 56px minmax(0, 1fr) 24px;
    padding: 0 10px 0 0;
  }

  .category-index a span {
    width: 100%;
    justify-self: start;
    text-align: left;
  }

  .empty-category p {
    width: 100%;
    max-width: 12ch;
    margin-inline: auto;
    text-align: center;
    text-wrap: balance;
  }
}


/* v25: mobile centering for the long print-design heading */
@media (max-width: 620px) {
  #print .category-heading {
    width: 100%;
    max-width: 100%;
  }

  #print .category-heading h2 {
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    font-size: clamp(28px, 8.8vw, 40px);
    line-height: 1.06;
    text-align: center;
    word-break: normal;
    overflow-wrap: normal;
    text-wrap: balance;
  }

  #print .category-heading p {
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    padding-inline: 0;
    text-align: center;
  }
}