/* =====================================================
   Divadlo Vitus — hlavní stylesheet
   Témata: tmavé pozadí, zlaté akcenty, divadelní atmosféra
   ===================================================== */

/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --color-bg: #1a1a1a;
  --color-surface: #252525;
  --color-surface-2: #2e2e2e;
  --color-text: #f5f0e8;
  --color-text-muted: #a09880;
  --color-accent: #c9a227;
  --color-accent-dark: #8b6914;
  --color-border: #3a3530;

  --nav-height: 70px;
  --container-max: 1200px;
  --section-py: 5rem;

  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;

  --transition-fast: 0.2s ease;
  --transition-med: 0.3s ease;
}

/* ===== RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  /* Kompenzace výšky fixní navigace při skoku na kotvy */
  scroll-padding-top: var(--nav-height);
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--color-accent-dark); }
a:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }

address { font-style: normal; }

/* ===== SKIP LINK ===== */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  background: var(--color-accent);
  color: var(--color-bg);
  padding: 0.5rem 1rem;
  font-weight: 600;
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus { top: 1rem; }

/* ===== UTILITY ===== */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

.btn-primary {
  display: inline-block;
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
  padding: 0.75rem 2.25rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.btn-primary:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

/* ===== NAVIGACE ===== */
#site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  transition: background var(--transition-med), box-shadow var(--transition-med);
}

#site-header.scrolled {
  background: rgba(20, 20, 20, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 1.5rem;
  height: var(--nav-height);
}

.nav-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.nav-logo:hover { opacity: 0.75; }

.nav-logo-img {
  height: 46px;
  width: auto;
  /* Invertovat černé logo na bílé pro tmavé pozadí */
  filter: invert(1);
  /* Screen blend mode: bílé části budou viditelné, černé splynout s pozadím */
  mix-blend-mode: screen;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-menu a {
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Hamburger tlačítko (skryté na desktopu) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 1px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO SEKCE ===== */
.section-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  /* Teatrální gradient jako placeholder — nahradit fotografií */
  background:
    radial-gradient(ellipse at 25% 65%, rgba(201, 162, 39, 0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 30%, rgba(139, 0, 0, 0.09) 0%, transparent 50%),
    linear-gradient(160deg, #0c0c0c 0%, #1a1418 45%, #0a0a0a 100%);
}

/* Jemná textura jako pozadí placeholderu */
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 20px,
    rgba(201, 162, 39, 0.012) 20px,
    rgba(201, 162, 39, 0.012) 40px
  );
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.35) 0%,
    rgba(0, 0, 0, 0.55) 70%,
    rgba(0, 0, 0, 0.75) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 2rem 1.5rem;
  max-width: 720px;
}

.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-text);
  margin-bottom: 1rem;
  /* Jemný zlatý odlesk */
  text-shadow: 0 2px 40px rgba(201, 162, 39, 0.15);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--color-text-muted);
  margin-bottom: 2.5rem;
  letter-spacing: 0.04em;
}

/* Logo v hero sekci — bílý podklad, zlatý rámeček */
.hero-logo-box {
  display: inline-block;
  background: #ffffff;
  border: 3px solid var(--color-accent);
  padding: 1.25rem 2rem;
  margin-bottom: 2.5rem;
}

.hero-logo-box img {
  height: 160px;
  width: auto;
  display: block;
}

@media (max-width: 480px) {
  .hero-logo-box img { height: 110px; }
  .hero-logo-box { padding: 1rem 1.5rem; margin-bottom: 2rem; }
}

/* ===== O NÁS (stručně) ===== */
.section-about {
  padding-block: var(--section-py);
  border-bottom: 1px solid var(--color-border);
}

.about-content {
  max-width: 760px;
  margin-inline: auto;
  text-align: center;
}

.about-content .section-title {
  margin-bottom: 2rem;
}

/* Zlatá ozdobná linka pod nadpisem */
.about-content .section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 2px;
  background: var(--color-accent);
  margin: 0.75rem auto 0;
}

.about-content p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.95;
}

/* Velké první písmeno (drop cap) */
.about-content p::first-letter {
  font-family: var(--font-heading);
  font-size: 3.8rem;
  font-weight: 700;
  color: var(--color-accent);
  float: left;
  line-height: 0.78;
  margin-right: 0.08em;
  margin-top: 0.08em;
}

/* ===== REPERTOÁR ===== */
.section-repertuar {
  padding-block: var(--section-py);
  background: var(--color-surface);
}

.plays-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2.5rem;
}

.play-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.play-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.play-poster {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #111;
}

.play-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.play-card:hover .play-poster img {
  transform: scale(1.05);
}

.play-poster-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #222 0%, #1a1a1a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--color-border);
  user-select: none;
}

.play-info {
  padding: 1.5rem;
}

.play-author {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.3rem;
  min-height: 1.2em;
}

.play-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.25;
  margin-bottom: 0.75rem;
  min-height: 1.75rem;
}

.play-title-aneb {
  display: block;
  font-size: 0.78em;
  font-weight: 400;
  font-style: italic;
  color: var(--color-text-muted);
  margin-top: 0.2em;
}

.play-synopsis {
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-bottom: 1rem;
  min-height: 3em;
}

/* <details> — Realizační tým / Pro pořadatele */
.play-details {
  border-top: 1px solid var(--color-border);
  margin-top: 0.5rem;
}

.play-details summary {
  cursor: pointer;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.75rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
  list-style: none;
}

.play-details summary::-webkit-details-marker { display: none; }

.play-details summary::after {
  content: '+';
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-accent-dark);
  transition: transform 0.25s ease;
}

.play-details[open] summary::after {
  transform: rotate(45deg);
}

.play-team,
.play-tech {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
  padding-bottom: 0.75rem;
}

.play-team dt,
.play-tech dt {
  color: var(--color-text-muted);
  font-size: 0.77rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding-top: 2px;
  white-space: nowrap;
}

.play-team dd,
.play-tech dd {
  color: var(--color-text);
  font-size: 0.9rem;
}

/* ===== SOUBOR ===== */
.section-soubor {
  padding-block: var(--section-py);
  border-bottom: 1px solid var(--color-border);
}

.team-photo-wrapper {
  margin-bottom: 3.5rem;
  overflow: hidden;
  border: 3px solid var(--color-accent);
}

.team-photo {
  width: 100%;
  height: 480px;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}

.team-photo-placeholder {
  width: 100%;
  height: 320px;
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

.team-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2.5rem 3rem;
}

.team-group-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.team-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.team-member {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: 0.35rem 0.8rem;
  font-size: 0.88rem;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}

.team-member:hover { border-color: var(--color-accent); }

.team-member img {
  width: 30px;
  height: 30px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ===== GALERIE ===== */
.section-galerie {
  padding-block: var(--section-py);
  background: var(--color-surface);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 6px;
}

/* Skutečné fotografie (přidávané postupně) */
.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
  display: block;
  transition: opacity var(--transition-fast), transform var(--transition-med);
}

.gallery-img:hover { opacity: 0.82; transform: scale(1.02); }
.gallery-img:focus-visible { outline: 3px solid var(--color-accent); outline-offset: -3px; }

.gallery-img--tall,
.gallery-placeholder--tall { grid-row: span 2; }

.gallery-img--wide,
.gallery-placeholder--wide { grid-column: span 2; }

/* Placeholder dlaždice (dokud nejsou reálné fotky) */
.gallery-placeholder {
  background: linear-gradient(135deg, #242424, #2a2828);
  border: 1px solid var(--color-border);
}

/* ===== LIGHTBOX ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 5, 0.96);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox[hidden] { display: none; }

.lightbox-content {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 90vw;
  max-height: 90vh;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 88vh;
  object-fit: contain;
  display: block;
}

.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: fixed;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}

.lightbox-close:focus-visible,
.lightbox-prev:focus-visible,
.lightbox-next:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.lightbox-close {
  top: 1rem;
  right: 1rem;
  width: 46px;
  height: 46px;
  font-size: 1.5rem;
  line-height: 1;
}

.lightbox-prev {
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 64px;
  font-size: 2rem;
}

.lightbox-next {
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 46px;
  height: 64px;
  font-size: 2rem;
}

/* ===== KONTAKT ===== */
.section-kontakt {
  padding-block: var(--section-py);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.contact-block h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

.contact-block address p {
  margin-bottom: 0.4rem;
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.contact-block address strong {
  color: var(--color-text);
  font-weight: 600;
}

.contact-block address a {
  color: var(--color-text-muted);
}

.contact-block address a:hover { color: var(--color-accent); }

.social-links {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.social-link:hover { color: var(--color-accent); }

.social-link svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
  flex-shrink: 0;
}

/* Nábor CTA */
.contact-recruitment {
  text-align: center;
  padding: 3rem 2.5rem;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  max-width: 680px;
  margin-inline: auto;
}

.contact-recruitment h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.contact-recruitment p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.85;
  margin-bottom: 2rem;
}

/* ===== PATIČKA ===== */
.site-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
  letter-spacing: 0.05em;
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 0.82rem;
}

/* ===== RESPONZIVITA ===== */

/* Tablet (≤900px) */
@media (max-width: 900px) {
  :root {
    --section-py: 4rem;
  }

  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 200px;
  }
}

/* Mobilní menu (≤768px) */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
    --section-py: 3.5rem;
  }

  /* Zobrazit hamburger */
  .nav-toggle { display: flex; }

  /* Sklouznuté menu */
  .nav-menu {
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(15, 15, 15, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding-block: 0.5rem;
    transform: translateY(-110%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid var(--color-border);
    pointer-events: none;
  }

  .nav-menu.is-open {
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-menu li { border-bottom: 1px solid var(--color-border); }
  .nav-menu li:last-child { border-bottom: none; }

  .nav-menu a {
    display: block;
    padding: 1rem 1.5rem;
    border-bottom: none;
    font-size: 0.9rem;
  }

  /* Hero */
  .hero-title { font-size: clamp(2.8rem, 12vw, 4.5rem); }

  /* Hry */
  .plays-grid { grid-template-columns: 1fr; }

  /* Galerie */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 170px;
  }

  /* Kontakt */
  .contact-grid { grid-template-columns: 1fr; }
  .contact-recruitment { padding: 2rem 1.5rem; }
}

/* Malý mobil (≤480px) */
@media (max-width: 480px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 140px;
    gap: 4px;
  }

  .team-list { gap: 0.4rem; }
  .team-member { font-size: 0.83rem; }

  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
}

/* ===== COMING SOON MODE ===== */
.hero-coming-soon {
  display: none;
}

body.coming-soon header,
body.coming-soon section:not(#uvod),
body.coming-soon footer {
  display: none;
}

body.coming-soon .btn-primary {
  display: none;
}

body.coming-soon .hero-coming-soon {
  display: block;
  margin-top: 1.5rem;
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2vw, 1.1rem);
  color: var(--color-text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}