/* ====== Proměnné ====== */
:root {
  --bg: #F5F5F5;        /* jemná teplá off-white */
  --bg-alt: #ECEBE8;
  --ink: #2B2B2B;       /* antracit, nikdy čistě černá */
  --ink-soft: #5C5C5C;  /* kontrast na pozadí cca 6:1 */
  --line: #D8D6D2;
  --accent: #7A6038;    /* tmavší zemitá, čitelná na světlém */
  --on-photo: #F5F5F5;  /* text přes fotky */
  --font-sans: "Jost", system-ui, sans-serif;
  --font-serif: "Newsreader", Georgia, serif;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }

/* ochrana fotek: nejdou označit, přetáhnout ani uložit z kontextové nabídky */
img, .hero-media {
  -webkit-user-drag: none;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}
.ph img { pointer-events: none; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

h1, h2 {
  font-family: var(--font-serif);
  font-weight: 300;
  line-height: 1.15;
  margin: 0 0 1.5rem;
  letter-spacing: .01em;
}
h1 { font-size: clamp(2.4rem, 6vw, 4.5rem); }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }

/* ====== Zástupné fotky ====== */
.ph {
  position: relative;
  aspect-ratio: var(--r, 3/2);
  background:
    linear-gradient(160deg, hsl(var(--h, 210) 10% 82%), hsl(var(--h, 210) 12% 72%));
  overflow: hidden;
}
.ph img { width: 100%; height: 100%; object-fit: cover; }
.ph::after {            /* jemný symbol obrázku */
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(135deg, transparent 49.7%, rgba(0,0,0,.05) 50%, transparent 50.3%),
    linear-gradient(45deg,  transparent 49.7%, rgba(0,0,0,.05) 50%, transparent 50.3%);
  pointer-events: none;
}
.ph:has(img)::after { display: none; }

/* ====== Hlavička ====== */
.site-header {
  position: fixed; inset: 0 0 auto 0;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem);
  z-index: 50;
  transition: background .3s, border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header.solid,
.site-header.scrolled {
  background: rgba(245, 245, 245, .94);
  backdrop-filter: blur(8px);
  border-color: var(--line);
}
.logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: .02em;
}
.main-nav { display: flex; gap: 2.2rem; }
.main-nav a {
  font-size: .95rem;
  letter-spacing: .04em;
  padding: .3rem 0;
  border-bottom: 1px solid transparent;
  transition: border-color .2s, color .2s;
}
.main-nav a:hover,
.main-nav a.active { border-color: var(--accent); color: var(--ink); }

.lang-switch { display: flex; align-items: center; margin-left: .2rem; }
.lang-switch button {
  font: inherit; font-size: .85rem; letter-spacing: .08em; color: inherit;
  background: none; border: 0; border-bottom: 1px solid transparent;
  padding: .3rem .45rem; cursor: pointer; opacity: .6;
  transition: opacity .2s, border-color .2s;
}
.lang-switch button:hover { opacity: 1; }
.lang-switch button[aria-pressed="true"] { opacity: 1; border-bottom-color: var(--accent); }

.menu-toggle { display: none; }

/* hlavička přes úvodní fotku je světlá, po scrollu tmavá na světlém pruhu */
.home .site-header:not(.scrolled) {
  color: var(--on-photo);
  text-shadow: 0 1px 12px rgba(0,0,0,.45);
}
.home .site-header:not(.scrolled) .main-nav a:hover,
.home .site-header:not(.scrolled) .main-nav a.active { color: var(--on-photo); border-color: var(--on-photo); }
.home .site-header:not(.scrolled) .menu-toggle span { background: var(--on-photo); }

/* ====== Úvod ====== */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  background:
    linear-gradient(to bottom, rgba(10,13,16,.6), rgba(10,13,16,0) 26%),
    linear-gradient(to top, rgba(18,22,26,.85), rgba(18,22,26,0) 55%),
    url("img/island/island-05.webp");
  
  background-size: cover;
  background-position: center;
  animation: heroIn 1.6s ease-out both;
}
.hero-text {
  color: var(--on-photo);
  text-shadow: 0 2px 24px rgba(0,0,0,.45);
  position: relative;
  padding: 0 clamp(1.25rem, 4vw, 3.5rem) clamp(4rem, 12vh, 7rem);
  max-width: 900px;
  animation: heroText 1.2s .5s ease-out both;
}
.hero-text p {
  margin: 0;
  color: inherit;
  opacity: .9;
  font-size: 1.1rem;
}
.scroll-cue {
  position: absolute; right: clamp(1.25rem, 4vw, 3.5rem); bottom: 2.5rem;
  width: 1px; height: 64px;
  background: linear-gradient(var(--on-photo), transparent);
}
@keyframes heroIn   { from { opacity: 0; transform: scale(1.04); } to { opacity: 1; transform: none; } }
@keyframes heroText { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }

/* ====== Sekce ====== */
.section { padding: clamp(4rem, 9vw, 8rem) clamp(1.25rem, 4vw, 3.5rem); }
.section.alt { background: var(--bg-alt); }
.wrap { max-width: 1180px; margin: 0 auto; }
.wrap.wide { max-width: 1500px; }
.wrap.narrow { max-width: 640px; }
.center { text-align: center; margin-top: 3rem; }
.lead { color: var(--ink-soft); margin: 0 0 2rem; }

.featured {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
.tile { display: block; }
.tile span {
  color: var(--on-photo);
  text-shadow: 0 1px 10px rgba(0,0,0,.6);
  position: absolute; left: 1rem; bottom: .9rem;
  font-size: .9rem; z-index: 1;
  opacity: 0; transform: translateY(6px);
  transition: opacity .25s, transform .25s;
}
.tile::before {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(to top, rgba(20,20,20,.55), transparent 45%);
  opacity: 0; transition: opacity .25s;
}
.tile:hover::before, .tile:focus-visible::before { opacity: 1; }
.tile:hover span, .tile:focus-visible span { opacity: 1; transform: none; }

.btn {
  display: inline-block;
  padding: .85rem 2.2rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  font: inherit; font-size: .95rem; letter-spacing: .04em;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.btn:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }

/* ====== Fotoobrazy ====== */
.prints { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.prints { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); align-items: start; }
.prints > .ph { position: sticky; top: calc(var(--header-h) + 1.5rem); }
.prints-text p, .prints-text li { max-width: 60ch; color: var(--ink-soft); }
.prints-text h3 { margin: 2rem 0 .6rem; }
.prints-text ul { margin: 0 0 1rem; padding-left: 1.2rem; }
.prints-text li { margin-bottom: .5rem; }
.prints-text li strong { color: var(--ink); font-weight: 500; }
.prints-text .btn { margin-top: 1rem; }

/* ====== O mně ====== */
.about {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(2rem, 6vw, 5rem);
  align-items: center;
}
.about-text p { max-width: 60ch; color: var(--ink-soft); }
.about-text p + p { margin-top: 1rem; }

/* ====== Přímý kontakt ====== */
.contact-direct { display: flex; flex-wrap: wrap; gap: .4rem 2rem; margin: 0 0 2.5rem; font-size: 1.1rem; }
.contact-direct a { border-bottom: 1px solid var(--accent); transition: color .2s; }
.contact-direct a:hover { color: var(--accent); }

/* ====== Formulář ====== */
.contact-form { display: grid; gap: 1.4rem; }
.contact-form label { display: grid; gap: .4rem; font-size: .9rem; color: var(--ink-soft); }
.contact-form input,
.contact-form textarea {
  width: 100%;
  background: transparent;
  border: 0; border-bottom: 1px solid var(--line);
  color: var(--ink);
  font: inherit; font-size: 1rem;
  padding: .6rem 0;
  border-radius: 0;
  transition: border-color .2s;
}
.contact-form input:focus,
.contact-form textarea:focus { outline: none; border-color: var(--accent); }
.contact-form textarea { resize: vertical; }
.contact-form .btn { justify-self: start; }
.form-status { margin: 0; min-height: 1.5em; color: var(--accent); font-size: .9rem; }

/* ====== Galerie ====== */
.page-top { padding-top: calc(var(--header-h) + 3rem); }
.filters { display: flex; flex-wrap: wrap; gap: .5rem 1.6rem; margin-bottom: 2.5rem; }
.filters button {
  background: none; border: 0; padding: .2rem 0;
  font: inherit; font-size: .95rem; letter-spacing: .03em;
  color: var(--ink-soft); cursor: pointer;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
}
.filters button:hover { color: var(--ink); }
.filters button.active { color: var(--ink); border-color: var(--accent); }

.masonry { display: flex; gap: 1rem; align-items: flex-start; }
.masonry .col { flex: 1 1 0; min-width: 0; }
.masonry .item {
  display: block; width: 100%;
  margin: 0 0 1rem;
  padding: 0; border: 0;
  break-inside: avoid;
  cursor: zoom-in;
  background: none;
}
.masonry .item .ph { transition: filter .25s; }
.masonry .item .ph img { height: auto; }
.masonry .item:hover .ph { filter: brightness(1.15); }
.masonry .item.hide { display: none; }

/* ====== Lightbox ====== */
.lightbox {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(24, 24, 24, .96);
  display: grid; place-items: center;
  padding: 4rem 1rem;
}
.lightbox[hidden] { display: none; }
.lb-figure { margin: 0; width: min(1200px, 100%); }
.lb-media .ph { width: auto; max-width: 100%; max-height: 78vh; margin: 0 auto; background: none; aspect-ratio: auto; }
.lb-media img { max-height: 78vh; max-width: 100%; width: auto; height: auto; margin: 0 auto; object-fit: contain; }
.lb-caption { margin-top: 1rem; text-align: center; color: #b8bcc0; font-size: .95rem; }
.lb-close, .lb-nav {
  position: absolute;
  background: none; border: 0; color: var(--on-photo);
  font-size: 2.6rem; line-height: 1; cursor: pointer;
  padding: .5rem 1rem; opacity: .7; transition: opacity .2s;
}
.lb-close:hover, .lb-nav:hover { opacity: 1; }
.lb-close { top: 1rem; right: 1rem; font-size: 2.4rem; }
.lb-prev { left: .5rem; top: 50%; transform: translateY(-50%); }
.lb-next { right: .5rem; top: 50%; transform: translateY(-50%); }

/* ====== Patička ====== */
.site-footer {
  display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between;
  padding: 2rem clamp(1.25rem, 4vw, 3.5rem);
  border-top: 1px solid var(--line);
  color: var(--ink-soft); font-size: .88rem;
}
.social { display: flex; gap: 1.5rem; }
.social a:hover { color: var(--ink); }

/* ====== Responzivita ====== */
@media (max-width: 900px) {
  .featured { grid-template-columns: 1fr; }
  .about, .prints { grid-template-columns: 1fr; }
  .prints > .ph { position: static; }
  .about .portrait { max-width: 360px; }
}
@media (max-width: 720px) {
  .menu-toggle {
    display: block; position: relative;
    width: 44px; height: 44px;
    background: none; border: 0; cursor: pointer;
  }
  .menu-toggle span {
    position: absolute; left: 10px; right: 10px; height: 1px;
    background: var(--ink); transition: transform .25s, top .25s;
  }
  .menu-toggle span:nth-child(1) { top: 17px; }
  .menu-toggle span:nth-child(2) { top: 26px; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { top: 21px; transform: rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { top: 21px; transform: rotate(-45deg); }

  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0;
    flex-direction: column; gap: 0;
    background: var(--bg);
    color: var(--ink);
    text-shadow: none;
    border-bottom: 1px solid var(--line);
    padding: 1rem clamp(1.25rem, 4vw, 3.5rem) 1.5rem;
    transform: translateY(-120%);
    visibility: hidden;
    transition: transform .3s, visibility .3s;
  }
  .main-nav.open { transform: none; visibility: visible; }
  .main-nav a { padding: .8rem 0; font-size: 1.1rem; border-bottom: 1px solid var(--line); }
  .main-nav a { color: var(--ink); }
  .lang-switch { margin: .8rem 0 0; }
  .lang-switch button { font-size: 1rem; padding: .4rem .7rem; }
  .site-header,
  .home .site-header:not(.scrolled) {
    background: rgba(245, 245, 245, .94);
    color: var(--ink);
    text-shadow: none;
    border-color: var(--line);
  }
  .home .site-header:not(.scrolled) .menu-toggle span { background: var(--ink); }
  .home .site-header:not(.scrolled) .main-nav a:hover,
  .home .site-header:not(.scrolled) .main-nav a.active { color: var(--ink); border-color: var(--accent); }
}
@media (max-width: 520px) {
  .lb-nav { font-size: 2rem; }
}

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


/* ====== Cookie lišta + odkaz v patičce ====== */
.cookie-banner {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
  display: flex; flex-wrap: wrap; align-items: center; gap: .8rem 1rem;
  padding: 1rem clamp(1.25rem, 4vw, 3.5rem);
  background: var(--bg); color: var(--ink);
  border-top: 1px solid var(--line);
  box-shadow: 0 -6px 24px rgba(0,0,0,.08);
}
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0; flex: 1 1 22rem; font-size: .95rem; }
.cookie-banner .btn { padding: .55rem 1.2rem; }
.cookie-banner .btn.ghost { background: transparent; }
.cookie-link { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
.cookie-link:hover { color: var(--ink); }