/* ==========================================================================
   Photography subsite — mikesutter.com v2.0
   Light, image-first. Reuses Arboria + design tokens; new vocabulary prefixed
   `.photo-` and `.photo-set-`. (The fullscreen lightbox stays dark by
   convention — it's a separate overlay, see PhotoSwipe overrides below.)
   ========================================================================== */

:root {
  --photo-bg: #ffffff;
  --photo-fg: #1a1a1a;
  --photo-fg-muted: rgba(0, 0, 0, 0.50);
  --photo-grid-gap: 12px;
  --photo-header-h: 64px;
  --photo-nav-w: 48px;      /* collapsed desktop nav width */
  --photo-nav-w-open: 280px;
  --photo-panel-bg: #f5f5f5;     /* expanded nav / dropdown panel */
  --photo-tile-bg: #ececec;      /* masonry tile placeholder while loading */
  --photo-hairline: rgba(0, 0, 0, 0.08);
}

.page--photography {
  background: var(--photo-bg);
  color: var(--photo-fg);
  overflow-x: hidden;
}

/* ---------------------------------- Header --------------------------------- */
.photo-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--photo-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  z-index: 60;
  background: #fff;
  pointer-events: none;        /* let children re-enable */
}
.photo-header > * { pointer-events: auto; }

.photo-logo { display: inline-flex; }
.photo-logo__img {
  height: 28px;
  width: auto;
  opacity: 0.85;
  transition: opacity 0.25s ease;
}
.photo-logo:hover .photo-logo__img { opacity: 1; }

/* Hamburger (mobile only) */
.photo-nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  color: var(--photo-fg);
  cursor: pointer;
  text-align: left;
}
.photo-nav-toggle .icon { width: 22px; height: 22px; display: block; }
.photo-nav-toggle__icon--close { display: none; }
.photo-nav-toggle__icon { padding-right: 8px; }
.photo-nav-toggle[aria-expanded="true"] .photo-nav-toggle__icon--open { display: none; }
.photo-nav-toggle[aria-expanded="true"] .photo-nav-toggle__icon--close { display: block; }

/* ---------------------------------- App shell ------------------------------ */
.photo-app {
  padding-top: var(--photo-header-h);
  min-height: 100vh;
}

/* ---------------------------- Desktop set nav ------------------------------ */
.photo-set-nav {
  position: fixed;
  left: 0;
  top: var(--photo-header-h);
  bottom: 0;
  width: var(--photo-nav-w);
  z-index: 50;
  display: block;
  transition: width 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              background-color 0.32s ease;
  background-color: transparent;
}

.photo-set-nav__label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(-90deg);
  white-space: nowrap;
  font-family: var(--font-heading-family);
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: var(--photo-fg-muted);
  transition: opacity 0.25s ease;
}

.photo-set-nav__list {
  list-style: none;
  margin: 0;
  position: absolute;
  top: 0;
  left: 0;
  min-width: var(--photo-nav-w-open);
  padding: 3rem 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.photo-set-nav__link {
  display: block;
  padding: 0.55rem 0;
  color: var(--photo-fg-muted);
  text-decoration: none;
  font-family: var(--font-body-family);
  font-weight: 300;
  font-size: 1rem;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}
.photo-set-nav__link:hover { color: var(--photo-fg); }
.photo-set-nav__link.is-active { color: var(--photo-fg); }

/* Category groups */
.photo-set-nav__group {
  margin-bottom: 1.5rem;
}
.photo-set-nav__group:last-child {
  margin-bottom: 0;
}

.photo-set-nav__heading {
  display: block;
  font-family: var(--font-heading-family);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--photo-fg);
  margin: 0 0 0.5rem;
}

/* Items under a category heading get a small indent */
.photo-set-nav__sublist {
  list-style: none;
  margin: 0;
  padding: 0;
}
.photo-set-nav__sublist .photo-set-nav__link {
  padding-left: 0.85rem;
}

.photo-set-nav__empty {
  padding: 0.3rem 0 0.3rem 0.85rem;
  font-size: 0.85rem;
  color: var(--photo-fg-muted);
  font-style: italic;
}

/* Expand on hover (desktop) */
.photo-set-nav:hover {
  width: var(--photo-nav-w-open);
  background-color: var(--photo-panel-bg);
  box-shadow: 1px 0 0 var(--photo-hairline);
}
.photo-set-nav:hover .photo-set-nav__label { opacity: 0; }
.photo-set-nav:hover .photo-set-nav__list { opacity: 1; pointer-events: auto; }

/* ---------------------------------- Stage ---------------------------------- */
.photo-stage {
  margin-left: var(--photo-nav-w);
  padding: 2rem 2rem 5rem;
}

.photo-set { display: none; }
.photo-set.is-active { display: block; }

.photo-set__head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
}
.photo-set__title {
  font-family: var(--font-heading-family);
  font-weight: 300;
  font-size: clamp(1.4rem, 2.4vw, 2rem);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
}
.photo-set__count {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--photo-fg-muted);
}

.photo-set__blurb {
  flex-basis: 100%;
  margin: 0.75rem 0 0;
  max-width: 640px;
  font-family: var(--font-body-family);
  font-weight: 300;
  font-size: clamp(0.9rem, 1vw, 1rem);
  line-height: 1.6;
  color: var(--photo-fg-muted);
}

/* Profile cards (Editorial, no gallery images yet) */
.photo-set__profile .photo-set__blurb {
  font-size: clamp(1.05rem, 1.3vw, 1.2rem);
  line-height: 1.65;
  color: var(--photo-fg);
  max-width: 680px;
  margin: 0 0 1.25rem;
  flex-basis: auto;
}

.photo-set__instagram {
  display: inline-block;
  font-family: var(--font-body-family);
  font-weight: 400;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  color: var(--photo-fg-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}
.photo-set__instagram:hover {
  color: var(--photo-fg);
}

/* Masonry grid (desktop: justified rows via JS; mobile: horizontal row) */
.photo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--photo-grid-gap);
  align-items: flex-start;
}
.photo-grid:not(.is-ready) .photo-grid__item { opacity: 0; }
.photo-grid.is-ready .photo-grid__item { opacity: 1; transition: opacity 0.4s ease; }

.photo-grid__item {
  margin: 0;
  line-height: 0;
  background: var(--photo-tile-bg);
  cursor: zoom-in;
  overflow: hidden;
}
.photo-grid__item:focus-visible {
  outline: 2px solid var(--photo-fg);
  outline-offset: 2px;
}
.photo-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------------------------- Mobile breakpoint ---------------------------- */
@media screen and (max-width: 989px) {
  .photo-header { padding: 0 1.25rem; background: #fff; }
  .photo-nav-toggle { display: inline-flex; }

  .photo-set-nav {
    position: fixed;
    top: var(--photo-header-h);
    left: 0;
    right: 0;
    bottom: auto;
    width: 100%;
    background-color: #ffffff;
    border-bottom: 1px solid var(--photo-hairline);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    visibility: hidden;
    transform: translateY(-110%);
    transition: transform 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                visibility 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 55;
  }
  .photo-set-nav.is-open { transform: translateY(0); visibility: visible; }
  .photo-set-nav__label {
    display: block;
    position: static;
    transform: none;
    text-align: right;
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    padding: 0.75rem 1.5rem 0 0;
    margin-bottom: 0.25rem;
    color: var(--photo-fg-muted);
    white-space: normal;
    opacity: 1 !important;
  }
  .photo-set-nav__list {
    position: static;
    min-width: 0;
    padding: 1rem 1.5rem 1.75rem;
    opacity: 1;
    pointer-events: auto;
  }
  .photo-set-nav:hover { width: 100%; background-color: #ffffff; }
  .photo-set-nav:hover .photo-set-nav__list { opacity: 1; }

  .photo-stage {
    margin-left: 0;
    padding: 1.5rem 1.25rem 3rem;
  }
  .photo-set__head { padding: 0; }

  .photo-grid {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding: 0 0 1rem;
    scrollbar-width: none;
  }
  .photo-grid::-webkit-scrollbar { display: none; }
  .photo-grid__item { flex: 0 0 auto; scroll-snap-align: start; }
  .photo-grid__item img { object-fit: contain; }
}

/* ------------------------- PhotoSwipe overrides ---------------------------- */
/* PhotoSwipe native zoom button — visible now with gentler zoom settings */

@media (prefers-reduced-motion: reduce) {
  .photo-grid.is-ready .photo-grid__item { transition: none; }
  .photo-set-nav, .photo-set-nav__list, .photo-set-nav__label { transition: none; }
}