:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #141414;
  --muted: #7a7a7a;
  --line: #e7e7e7;
  --ph: #f1f1f1;
  --err: #b3261e;
  --gutter: clamp(1rem, 3.5vw, 2.5rem);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d0d0d;
    --fg: #ececec;
    --muted: #8b8b8b;
    --line: #232323;
    --ph: #171717;
    --err: #f2b8b5;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 400 1rem/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
main { flex: 1; width: 100%; max-width: 1700px; margin: 0 auto; padding: 0 var(--gutter) 4rem; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.2em; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); }
a:hover { text-decoration-color: currentColor; }
img { display: block; max-width: 100%; height: auto; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--fg); color: var(--bg); padding: .5rem .8rem; z-index: 100; }
.skip:focus { left: 0; }
.muted { color: var(--muted); }

/* ---- header / footer ---- */
.site-header, .site-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; flex-wrap: wrap;
  width: 100%; max-width: 1700px; margin: 0 auto; padding: 1.6rem var(--gutter);
}
.brand { display: inline-flex; align-items: center; gap: .8rem; text-decoration: none; }
.brand-name { font-size: .95rem; letter-spacing: .22em; text-transform: uppercase; font-weight: 500; }
.mark {
  width: 1.7rem; height: 1.5rem; background: currentColor;
  -webkit-mask: var(--mark) center / contain no-repeat; mask: var(--mark) center / contain no-repeat;
}
.site-header nav { display: flex; align-items: center; gap: 1.6rem; font-size: .85rem; letter-spacing: .14em; text-transform: uppercase; }
.site-header nav a { text-decoration: none; color: var(--muted); transition: color .2s; }
.site-header nav a:hover, .site-header nav a[aria-current] { color: var(--fg); }
.nav-tag { color: var(--muted); }
.site-footer { padding-top: 2.5rem; padding-bottom: 2.5rem; font-size: .8rem; color: var(--muted); border-top: 1px solid var(--line); margin-top: 2rem; }
.social { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; margin: 0; padding: 0; }
.social a { text-decoration: none; letter-spacing: .08em; text-transform: uppercase; }
.social a:hover { color: var(--fg); }
.inline { display: inline; margin: 0; }
.linklike { font: inherit; letter-spacing: inherit; text-transform: inherit; color: var(--muted); background: none; border: 0; padding: 0; cursor: pointer; }
.linklike:hover { color: var(--fg); }

/* ---- grid ---- */
.grid { list-style: none; margin: 1rem 0 0; padding: 0; column-count: 3; column-gap: clamp(1.2rem, 3vw, 2.6rem); }
@media (max-width: 1100px) { .grid { column-count: 2; } }
@media (max-width: 640px)  { .grid { column-count: 1; } }
.card { break-inside: avoid; margin: 0 0 clamp(1.6rem, 3.5vw, 2.8rem); }
.card a { display: block; text-decoration: none; }
.frame { display: block; background: var(--ph); overflow: hidden; }
.frame img { width: 100%; transition: transform .8s cubic-bezier(.2, .6, .2, 1), opacity .5s; }
.card a:hover .frame img { transform: scale(1.025); }
.caption { display: flex; justify-content: space-between; gap: 1rem; padding-top: .7rem; font-size: .8rem; letter-spacing: .06em; }
.caption .t { text-transform: uppercase; letter-spacing: .12em; }
.caption .y { color: var(--muted); font-variant-numeric: tabular-nums; }
.empty, .welcome { padding: 1rem 0; }
.welcome { font-size: .85rem; margin: 0; }

/* fade images in once loaded (only when JS is available) */
.js img.lazy { opacity: 0; }
.js img.lazy.loaded { opacity: 1; }

/* ---- project ---- */
.project { max-width: 1180px; margin: 0 auto; }
.project-head { padding: 1.5rem 0 2rem; }
.project-head h1, .page h1, .login h1 { font-weight: 300; font-size: clamp(1.6rem, 4vw, 2.6rem); letter-spacing: .04em; margin: 0 0 .5rem; line-height: 1.15; }
.meta { display: flex; flex-wrap: wrap; gap: .2rem 1.2rem; margin: 0; color: var(--muted); font-size: .85rem; letter-spacing: .08em; }
.open { margin: 0 0 2rem; }
.btn { display: inline-block; padding: .85rem 1.4rem; border: 1px solid var(--fg); text-decoration: none; font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; transition: background .2s, color .2s; }
.btn:hover { background: var(--fg); color: var(--bg); }
.photos { display: grid; gap: clamp(1.4rem, 4vw, 3rem); }
.photos figure { margin: 0; }
.photos a { display: block; background: var(--ph); cursor: zoom-in; }
.photos img { width: 100%; }
.prose { max-width: 38rem; margin: 3rem 0 0; font-size: 1.02rem; font-weight: 300; line-height: 1.8; }
.prose p { margin: 0 0 1.2em; }
.pager { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; margin-top: 5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; }
.pager a { text-decoration: none; color: var(--muted); }
.pager a:hover { color: var(--fg); }
.pager .next { text-align: right; }
@media (max-width: 640px) { .pager { grid-template-columns: 1fr 1fr; } .pager .all { display: none; } }

/* ---- info page ---- */
.page { max-width: 38rem; padding-top: 1.5rem; }
.page .prose { margin-top: 1.5rem; }
.social.big { margin-top: 2.5rem; font-size: .85rem; }

/* ---- login ---- */
.login { max-width: 22rem; margin: 5vh auto 0; padding-top: 1.5rem; }
.login h1 { font-size: 1.6rem; }
.login form { display: grid; gap: 1.1rem; margin-top: 1.6rem; }
.login label { display: grid; gap: .35rem; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.login input[type=text], .login input[type=password] {
  font: 400 1rem var(--font); letter-spacing: normal; text-transform: none; color: var(--fg);
  background: transparent; border: 0; border-bottom: 1px solid var(--muted); border-radius: 0; padding: .5rem 0;
}
.login input:focus { outline: none; border-bottom-color: var(--fg); }
.login .check { display: flex; align-items: center; gap: .6rem; text-transform: none; letter-spacing: normal; font-size: .85rem; }
.login button {
  font: 500 .8rem var(--font); letter-spacing: .18em; text-transform: uppercase; cursor: pointer;
  color: var(--bg); background: var(--fg); border: 1px solid var(--fg); padding: .85rem 1rem; transition: opacity .2s;
}
.login button:hover { opacity: .85; }
.error { color: var(--err); font-size: .9rem; margin: 1rem 0 0; }

/* ---- lightbox ---- */
.lb { position: fixed; inset: 0; z-index: 50; display: none; align-items: center; justify-content: center; background: color-mix(in srgb, var(--bg) 96%, transparent); }
.lb.open { display: flex; }
.lb img { max-width: 96vw; max-height: 94vh; width: auto; height: auto; object-fit: contain; cursor: zoom-out; }
.lb button { position: absolute; background: none; border: 0; color: var(--fg); font: 300 2rem/1 var(--font); cursor: pointer; padding: 1rem; opacity: .6; }
.lb button:hover { opacity: 1; }
.lb .x { top: 0; right: 0; }
.lb .p { left: 0; top: 50%; transform: translateY(-50%); }
.lb .n { right: 0; top: 50%; transform: translateY(-50%); }
.lb.single .p, .lb.single .n { display: none; }
body.lb-on { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}