:root {
  --ink: #1a1a1a;
  --ink-soft: #545454;
  --paper: #fdfdfc;
  --paper-alt: #f4f2ee;
  --accent: #b5602f;
  --max-w: 1100px;
  --radius: 6px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(253, 253, 252, 0.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-name {
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.01em;
}

.site-header nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.92rem;
  margin-left: 24px;
  transition: color 0.15s ease;
}

.site-header nav a:hover { color: var(--accent); }

/* Hero (first section) */

.hero {
  position: relative;
  max-height: 78vh;
  overflow: hidden;
}

.hero picture, .hero img {
  width: 100%;
  height: 78vh;
  object-fit: cover;
}

.hero-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 48px 24px;
  background: linear-gradient(to top, rgba(0,0,0,0.62) 0%, rgba(0,0,0,0.15) 55%, rgba(0,0,0,0) 100%);
  color: #fff;
}

.hero-text h1 {
  margin: 0 0 10px;
  font-size: clamp(1.9rem, 5vw, 3rem);
  max-width: var(--max-w);
  margin-left: auto;
  margin-right: auto;
  width: 100%;
}

.hero-text p {
  margin: 0;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  font-size: 1.05rem;
  color: #f0f0f0;
}

/* Alternating content blocks */

.block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 0;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 64px 24px;
}

.block picture, .block img {
  border-radius: var(--radius);
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.block-text {
  padding: 0 48px;
}

.block-reverse {
  direction: rtl;
}
.block-reverse > * {
  direction: ltr;
}

.block h2 {
  margin: 0 0 12px;
  font-size: 1.7rem;
}

.block p {
  margin: 0 0 16px;
  color: var(--ink-soft);
}

.link-more {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.link-more:hover { text-decoration: underline; }

/* alternate background for rhythm */
.block:nth-of-type(even) { background: var(--paper-alt); }

/* Footer */

.site-footer {
  border-top: 1px solid rgba(0,0,0,0.06);
  padding: 32px 0;
  margin-top: 24px;
}

.site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

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

/* Responsive */

/* Gallery grid */

.gallery-intro {
  padding: 48px 24px 8px;
}
.gallery-intro h1 { margin-bottom: 4px; }
.gallery-intro p { color: var(--ink-soft); margin-top: 0; }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  padding: 24px;
}

.gallery-item {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.25s ease;
}
.gallery-item:hover img { transform: scale(1.05); }

/* Náměstí Míru video */

.miru-video {
  padding: 8px 24px 8px;
  max-width: 480px;
}
.miru-video video {
  width: 100%;
  border-radius: var(--radius);
  display: block;
}
.miru-video-caption {
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin: 8px 0 0;
}
.miru-video-caption a {
  color: var(--accent);
  text-decoration: none;
}
.miru-video-caption a:hover { text-decoration: underline; }

/* Náměstí Míru sequence */

.miru-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px 12px;
  padding: 16px 24px 48px;
}
.miru-item {
  display: block;
  text-decoration: none;
  color: var(--ink);
}
.miru-item picture, .miru-item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}
.miru-label {
  display: block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  text-align: center;
}

/* Individual photo page */

.photo-page-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}
.photo-page-wrap picture, .photo-page-wrap img {
  width: 100%;
  border-radius: var(--radius);
}
.photo-meta { margin-top: 20px; }
.photo-date { margin: 0 0 4px; font-size: 1.1rem; font-weight: 600; }
.photo-description { color: var(--ink-soft); margin: 0 0 16px; }
.photo-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 0.95rem;
}
.photo-nav a { color: var(--accent); text-decoration: none; }
.photo-nav a:hover { text-decoration: underline; }

@media (max-width: 760px) {
  .block, .block-reverse {
    grid-template-columns: 1fr;
    direction: ltr;
    padding: 40px 24px;
    gap: 24px;
  }
  .block-text { padding: 0; }
  .hero, .hero picture, .hero img { height: 60vh; }
  .site-header nav a { margin-left: 16px; }
}