/* kuwalek.info — photo gallery
   No frameworks, no build step, no external requests. */

:root {
  --bg:        #faf8f5;
  --bg-raised: #ffffff;
  --ink:       #1b1a18;
  --ink-soft:  #5d5952;
  --ink-faint: #918b82;
  --rule:      #e3ded6;
  --accent:    #9a6b3f;
  --shadow:    0 1px 2px rgba(27, 26, 24, .06), 0 8px 24px rgba(27, 26, 24, .07);
  --shadow-lg: 0 4px 12px rgba(27, 26, 24, .10), 0 24px 60px rgba(27, 26, 24, .16);

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans:  ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #14130f;
    --bg-raised: #1e1c18;
    --ink:       #f2ede4;
    --ink-soft:  #b3aca0;
    --ink-faint: #7e776c;
    --rule:      #322e28;
    --accent:    #d3a06a;
    --shadow:    0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
    --shadow-lg: 0 4px 12px rgba(0, 0, 0, .5), 0 24px 60px rgba(0, 0, 0, .55);
  }
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

img { display: block; max-width: 100%; }

::selection { background: var(--accent); color: var(--bg); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: .6rem 1rem;
  background: var(--bg-raised);
  z-index: 100;
}
.skip-link:focus { left: .5rem; top: .5rem; }

/* ---------- Landing page ---------- */

.landing {
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
}

.masthead {
  padding: clamp(2.5rem, 7vw, 5rem) var(--gutter) clamp(1.75rem, 4vw, 3rem);
  text-align: center;
}

.masthead h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 7vw, 4.25rem);
  line-height: 1.05;
  letter-spacing: -.02em;
}

.masthead .tagline {
  margin: 1rem auto 0;
  max-width: var(--measure);
  color: var(--ink-soft);
  font-size: clamp(.98rem, 2vw, 1.075rem);
  text-wrap: balance;
}

.rule {
  width: 3rem;
  height: 1px;
  margin: 1.75rem auto 0;
  border: 0;
  background: var(--accent);
  opacity: .7;
}

.cities {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
  padding: 0 var(--gutter) clamp(2.5rem, 6vw, 4.5rem);
  align-content: center;
  min-height: 0; /* let the cards shrink to the row instead of overflowing */
}

@media (min-width: 800px) {
  .cities { grid-template-columns: 1fr 1fr; }
}

.city-card {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 10px;
  text-decoration: none;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 3;
  isolation: isolate;
}

@media (min-width: 800px) {
  /* Full-width poster cards. An explicit height (rather than aspect-ratio +
     max-height) keeps them filling the column: with an aspect ratio the width
     would be derived from the capped height and the cards would go narrow. */
  .city-card {
    aspect-ratio: auto;
    height: clamp(340px, calc(100svh - 26rem), 600px);
  }
}

.city-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s cubic-bezier(.2, .7, .2, 1), filter .5s ease;
  transform: scale(1.02);
}

.city-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
              rgba(10, 9, 7, .82) 0%,
              rgba(10, 9, 7, .45) 35%,
              rgba(10, 9, 7, .10) 65%,
              rgba(10, 9, 7, .22) 100%);
  transition: opacity .5s ease;
}

.city-card:hover img,
.city-card:focus-visible img { transform: scale(1.09); }

.city-card__label {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  color: #fff;
}

.city-card__label h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  line-height: 1.1;
  letter-spacing: .01em;
  text-shadow: 0 2px 18px rgba(0, 0, 0, .5);
}

.city-card__label p {
  margin: .4rem 0 0;
  font-size: .92rem;
  color: rgba(255, 255, 255, .82);
  text-shadow: 0 1px 10px rgba(0, 0, 0, .6);
}

.city-card__label .enter {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  margin-top: 1rem;
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: #fff;
  border-bottom: 1px solid rgba(255, 255, 255, .45);
  padding-bottom: .2rem;
  transition: gap .3s ease, border-color .3s ease;
}

.city-card:hover .enter { gap: .85rem; border-color: #fff; }

/* ---------- Gallery page ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem var(--gutter);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(1.5) blur(14px);
  -webkit-backdrop-filter: saturate(1.5) blur(14px);
  border-bottom: 1px solid var(--rule);
}

.topbar a { text-decoration: none; color: var(--ink-soft); }
.topbar a:hover { color: var(--ink); }

.topbar .home {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.topbar .here {
  font-family: var(--serif);
  font-size: 1.05rem;
  color: var(--ink);
}

.gallery-intro {
  padding: clamp(3rem, 8vw, 6rem) var(--gutter) clamp(1.75rem, 4vw, 3rem);
  max-width: calc(var(--measure) + 8rem);
}

.gallery-intro h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 9vw, 5rem);
  line-height: 1;
  letter-spacing: -.025em;
}

.gallery-intro .where {
  display: block;
  margin-bottom: .75rem;
  font-family: var(--sans);
  font-size: .78rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent);
}

.gallery-intro p {
  margin: 1.25rem 0 0;
  max-width: var(--measure);
  color: var(--ink-soft);
}

.grid {
  padding: 0 var(--gutter) clamp(3rem, 7vw, 5rem);
  column-count: 1;
  column-gap: clamp(.85rem, 1.6vw, 1.4rem);
}

@media (min-width: 620px)  { .grid { column-count: 2; } }
@media (min-width: 1100px) { .grid { column-count: 3; } }

.tile {
  display: block;
  width: 100%;
  padding: 0;
  margin: 0 0 clamp(.85rem, 1.6vw, 1.4rem);
  border: 0;
  background: var(--rule);
  border-radius: 8px;
  overflow: hidden;
  cursor: zoom-in;
  break-inside: avoid;
  position: relative;
  box-shadow: var(--shadow);
  transition: transform .45s cubic-bezier(.2, .7, .2, 1), box-shadow .45s ease;
}

.tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.tile img {
  width: 100%;
  height: auto;
  opacity: 0;
  transition: opacity .7s ease, transform .8s cubic-bezier(.2, .7, .2, 1);
  transform: scale(1.03);
}

.tile img.loaded { opacity: 1; transform: scale(1); }

.tile .cap {
  position: absolute;
  inset: auto 0 0 0;
  padding: 2.5rem .95rem .9rem;
  text-align: left;
  font-size: .88rem;
  color: #fff;
  background: linear-gradient(to top, rgba(10, 9, 7, .8), rgba(10, 9, 7, 0));
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .35s ease, transform .35s ease;
  pointer-events: none;
}

.tile:hover figcaption,
.tile:focus-visible .cap { opacity: 1; transform: none; }

@media (hover: none) {
  .tile .cap { opacity: 1; transform: none; }
}

/* ---------- Lightbox ---------- */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  grid-template-rows: 1fr auto;
  background: rgba(8, 7, 6, .92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease, visibility .3s;
}

.lightbox[data-open="true"] { opacity: 1; visibility: visible; }

.lightbox__stage {
  display: grid;
  place-items: center;
  padding: clamp(1rem, 3vw, 2.5rem);
  min-height: 0;
  overflow: hidden;
}

.lightbox__stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, .6);
  animation: pop .4s cubic-bezier(.2, .7, .2, 1);
}

@keyframes pop {
  from { opacity: 0; transform: scale(.97); }
  to   { opacity: 1; transform: none; }
}

.lightbox__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem 1rem;
  padding: 1rem clamp(1rem, 3vw, 2.5rem) clamp(1.25rem, 3vw, 2rem);
  color: rgba(255, 255, 255, .92);
  font-size: .92rem;
  border-top: 1px solid rgba(255, 255, 255, .1);
}

.lightbox__bar .credit {
  flex: 1 1 20rem;
  font-size: .78rem;
  color: rgba(255, 255, 255, .52);
}

.lightbox__bar .credit a { color: rgba(255, 255, 255, .78); }

.lightbox__bar .count {
  font-variant-numeric: tabular-nums;
  font-size: .78rem;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .52);
}

.lb-btn {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background .25s ease, transform .25s ease;
}

.lb-btn:hover { background: rgba(255, 255, 255, .22); transform: scale(1.06); }

.lb-close { top: 1rem; right: 1rem; }
.lb-prev  { top: 50%; left: 1rem;  margin-top: -1.5rem; }
.lb-next  { top: 50%; right: 1rem; margin-top: -1.5rem; }

@media (max-width: 620px) {
  .lb-prev, .lb-next { top: auto; bottom: 6.5rem; margin-top: 0; }
  .lb-prev { left: 1rem; }
  .lb-next { right: 1rem; }
}

/* ---------- Footer ---------- */

.site-footer {
  padding: clamp(2rem, 5vw, 3rem) var(--gutter);
  border-top: 1px solid var(--rule);
  color: var(--ink-faint);
  font-size: .82rem;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  justify-content: space-between;
}

.site-footer a { color: var(--ink-soft); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .tile img { opacity: 1; transform: none; }
}

.masthead--center { margin: auto 0; }

/* ---------- Credits ---------- */

.credits { margin-top: clamp(2rem, 5vw, 3rem); }

.credits h2 {
  margin: 2.25rem 0 .75rem;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.5rem;
}

.credits ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.credits li {
  padding: .55rem 0;
  border-top: 1px solid var(--rule);
  color: var(--ink-soft);
  font-size: .92rem;
}

.credits li a { color: var(--ink); text-decoration-color: var(--rule); }