/* Guginski – surrealistický naturalismus. Paleta vychází z obrazů: uhel, kost, okr. */
:root {
  --bg: #12110f;
  --bg-2: #1a1815;
  --ink: #dcd4c5;
  --muted: #958c7d;
  --ochre: #c2944c;
  --line: rgba(220, 212, 197, .14);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --pad: clamp(1.25rem, 5vw, 5rem);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 5rem; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: var(--serif); font-size: 1.0625rem; line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
.skip { position: absolute; left: -999px; top: 0; background: var(--ochre); color: #12110f; padding: .6rem 1rem; z-index: 100; }
.skip:focus { left: 0; }
:focus-visible { outline: 2px solid var(--ochre); outline-offset: 3px; }

/* Hlavička */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .7rem var(--pad);
  transition: background .4s, border-color .4s;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled { background: rgba(18, 17, 15, .9); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-color: var(--line); }
.logo img { width: clamp(96px, 12vw, 140px); filter: invert(1) brightness(.9) sepia(.25); }
.site-header nav ul { display: flex; gap: clamp(.9rem, 3vw, 2.6rem); list-style: none; margin: 0; padding: 0; }
.site-header nav a {
  text-decoration: none; font-size: clamp(.95rem, 1.4vw, 1.15rem); letter-spacing: .04em;
  padding: .4rem 0; border-bottom: 1px solid transparent; transition: color .25s, border-color .25s;
}
.site-header nav a:hover, .site-header nav a[aria-current] { color: var(--ochre); border-color: var(--ochre); }
.site-header nav ul { align-items: center; }
.site-header nav .lang {
  display: flex; gap: .55rem; align-items: baseline; padding-left: clamp(.7rem, 2vw, 1.6rem); border-left: 1px solid var(--line);
  font-size: .78rem; letter-spacing: .16em; text-transform: uppercase; color: var(--ink);
}
.site-header nav .lang a { font-size: inherit; letter-spacing: inherit; color: var(--muted); }
.site-header nav .lang a:hover { color: var(--ochre); }

/* Úvod */
.hero { position: relative; height: 100vh; height: 100svh; min-height: 30rem; overflow: hidden; display: grid; place-items: center; }
.hero-small { height: 55vh; min-height: 20rem; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.85); animation: drift 28s ease-in-out infinite alternate; }
.hero::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(18,17,15,.72) 0%, rgba(18,17,15,.2) 38%, rgba(18,17,15,.45) 70%, var(--bg) 100%);
}
.hero-inner { position: relative; z-index: 2; text-align: center; padding: 0 var(--pad); }
.hero h1 { margin: 0; }
.hero h1 img { width: min(72vw, 560px); margin: 0 auto; filter: invert(1) drop-shadow(0 2px 18px rgba(0,0,0,.55)); }
.tagline { margin: .4rem 0 0; font-size: clamp(.8rem, 1.5vw, 1rem); letter-spacing: .34em; text-transform: uppercase; color: var(--ink); text-shadow: 0 1px 12px rgba(0,0,0,.8); }
.tagline span { color: var(--ochre); padding: 0 .4em; }
.scroll-cue { position: absolute; z-index: 2; bottom: 2rem; left: 50%; width: 2.75rem; height: 2.75rem; margin-left: -1.375rem; display: grid; place-items: center; }
.scroll-cue span { width: .9rem; height: .9rem; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); transform: rotate(45deg); animation: cue 2.4s ease-in-out infinite; }
@keyframes cue { 0%, 100% { transform: translateY(-4px) rotate(45deg); opacity: .5; } 50% { transform: translateY(4px) rotate(45deg); opacity: 1; } }
@keyframes drift { from { transform: scale(1.02); } to { transform: scale(1.1) translateY(-1.5%); } }

/* Sekce */
.section { padding: clamp(4rem, 10vw, 8rem) var(--pad); max-width: 1500px; margin: 0 auto; }
.section-head { margin-bottom: clamp(2rem, 5vw, 4rem); }
.eyebrow { display: block; font-size: .75rem; letter-spacing: .4em; text-transform: uppercase; color: var(--ochre); margin-bottom: .6rem; }
h2, .h2 { margin: 0; font-weight: 400; font-size: clamp(2.6rem, 7vw, 5rem); line-height: 1; letter-spacing: -.01em; }

/* Galerie – obrazy v původním poměru stran, bez ořezu */
/* 4 fotky vedle sebe; dvojice zdálky + zblízka vždy vedle sebe */
.gallery { --gap: clamp(1rem, 2.4vw, 2.25rem); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); align-items: start; }
.work { margin: 0; break-inside: avoid; }
.pair { grid-column: span 2; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--gap); align-items: start; }
/* samostatné obrazy (různé poměry stran) – sloupcový „masonry“ layout */
.gallery.masonry { display: block; columns: 4; column-gap: var(--gap); }
.gallery.masonry .work { margin: 0 0 var(--gap); }
.gallery + .gallery { margin-top: var(--gap); }
.work a, .split-img a { display: block; overflow: hidden; background: var(--bg-2); cursor: zoom-in; }
.work img, .split-img img { width: 100%; transition: transform 1.2s cubic-bezier(.2,.7,.2,1), filter .6s; filter: saturate(.92) brightness(.96); }
.work a:hover img, .split-img a:hover img { transform: scale(1.035); filter: none; }
.work figcaption { display: flex; gap: .8rem; padding-top: .7rem; font-size: .82rem; line-height: 1.45; color: var(--muted); }
.work .no { color: var(--ochre); letter-spacing: .1em; font-variant-numeric: tabular-nums; }
.more { text-align: center; margin: clamp(2rem, 5vw, 4rem) 0 0; }

.btn {
  display: inline-block; font: inherit; font-size: 1rem; letter-spacing: .12em; color: var(--ink); text-decoration: none;
  background: none; border: 1px solid var(--ochre); padding: .85rem 2.6rem; cursor: pointer; transition: background .3s, color .3s;
}
.btn:hover { background: var(--ochre); color: #12110f; }

/* Autor / kontakt */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(2rem, 6vw, 6rem); align-items: center; border-top: 1px solid var(--line); }
.split.reverse .split-img { order: 2; }
.split-img { margin: 0; }
.quote { margin: 0; }
.quote p { margin: 0; font-size: clamp(1.35rem, 2.6vw, 2rem); line-height: 1.4; font-style: italic; }
.quote footer { margin-top: 1.2rem; color: var(--ochre); letter-spacing: .06em; }
.dialog { margin-top: 2.5rem; padding-left: 1.4rem; border-left: 1px solid var(--line); color: var(--muted); }
.dialog p { margin: 0 0 .8rem; }
.dialog b { font-weight: 400; letter-spacing: .14em; color: var(--ink); font-size: .85em; }
.mail a { font-size: clamp(1.2rem, 2.4vw, 1.7rem); text-decoration: none; border-bottom: 1px solid var(--ochre); }
.mail a:hover { color: var(--ochre); }

.contact-form { margin-top: 2rem; display: grid; gap: 1.3rem; max-width: 34rem; }
.field label { display: block; font-size: .75rem; letter-spacing: .3em; text-transform: uppercase; color: var(--muted); margin-bottom: .3rem; }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: transparent;
  border: 0; border-bottom: 1px solid var(--line); padding: .5rem 0; border-radius: 0; resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--ochre); }
.contact-form .btn { justify-self: start; }
.hp { position: absolute; left: -9999px; }
.form-status { margin: 0; min-height: 1.7em; color: var(--ochre); }
.form-status.error { color: #d98b76; }

/* Patička */
.site-footer { border-top: 1px solid var(--line); padding: 3rem var(--pad) 3.5rem; text-align: center; color: var(--muted); font-size: .9rem; }
.site-footer .logo img { margin: 0 auto 1rem; width: 130px; opacity: .8; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--ochre); }

/* Lightbox */
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(10, 9, 8, .96); display: grid; grid-template-columns: auto 1fr auto; align-items: center; }
.lightbox[hidden] { display: none; }
.lightbox figure { margin: 0; padding: 3.5rem .5rem 1.5rem; height: 100vh; height: 100dvh; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; min-width: 0; }
.lightbox img { max-width: 100%; max-height: calc(100% - 3.5rem); width: auto; object-fit: contain; box-shadow: 0 20px 80px rgba(0,0,0,.7); }
.lightbox figcaption { color: var(--muted); font-size: .9rem; text-align: center; }
.lightbox button { font: inherit; color: var(--ink); background: none; border: 0; cursor: pointer; font-size: 2.6rem; line-height: 1; width: 3.5rem; height: 3.5rem; transition: color .2s; }
.lightbox button:hover { color: var(--ochre); }
.lb-close { position: absolute; top: .4rem; right: .6rem; z-index: 2; }

/* Jemné objevení při scrollu (jen s JS) */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity 1s ease, transform 1s ease; }
.js .reveal.in { opacity: 1; transform: none; }

@media (max-width: 1000px) { .gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); } .gallery.masonry { columns: 3; } }
@media (max-width: 760px) {
  .split { grid-template-columns: 1fr; }
  .split.reverse .split-img { order: 0; }
  .split-img { max-width: 26rem; }
  .site-header { flex-direction: column; gap: .2rem; padding-top: .5rem; padding-bottom: .4rem; }
  .site-header nav ul { gap: clamp(.6rem, 3.4vw, 1.4rem); }
  .site-header nav .lang { padding-left: .6rem; gap: .4rem; }
  html { scroll-padding-top: 7rem; }
  .lightbox { grid-template-columns: 1fr; }
  .lb-prev, .lb-next { position: absolute; bottom: .3rem; z-index: 2; }
  .lb-prev { left: .5rem; } .lb-next { right: .5rem; }
  .lightbox figure { padding-bottom: 4rem; }
}
@media (max-width: 480px) { .gallery.masonry { columns: 2; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-bg, .scroll-cue span { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  .work img, .split-img img { transition: none; }
}