@layer reset, base, layout, components, utilities;

@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
  }

  input, button, textarea, select {
    font: inherit;
  }

  p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
  }

  ul, ol {
    list-style: none;
  }

  a {
    text-decoration: none;
    color: inherit;
  }
}

@layer base {
  :root {
    /* Paleta barev */
    --color-primary: #D35400; /* Oranžová - liščí */
    --color-primary-light: #E67E22;
    --color-primary-dark: #A04000;
    --color-secondary: #27AE60; /* Zelená - příroda */
    --color-secondary-light: #2ECC71;
    --color-bg-light: #FDF5E6; /* Béžová */
    --color-bg-white: #FFFFFF; /* Bílá */
    --color-text-main: #4A3525; /* Tmavě hnědá pro dobrou čitelnost */
    --color-text-muted: #7E6551;
    --color-border: #E8D8C8;

    /* Typografie */
    --font-base: 'Inter', system-ui, sans-serif;
    --font-heading: 'Outfit', system-ui, sans-serif;
    
    /* Velikosti (Thumb rule) */
    --size-text-base: 1rem; /* 16px */
    --size-text-sm: 0.875rem; /* 14px */
    --size-text-lg: 1.25rem; /* 20px */
    --size-text-xl: 1.5rem; /* 24px */
    --size-text-xxl: 2rem; /* 32px */
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --radius-full: 9999px;

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

  body {
    font-family: var(--font-base);
    font-size: var(--size-text-base);
    color: var(--color-text-main);
    background-color: var(--color-bg-light);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  h1, h2, h3 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
  }

  h1 { font-size: var(--size-text-xxl); }
  h2 { font-size: var(--size-text-xl); }
  h3 { font-size: var(--size-text-lg); }

  p {
    margin-bottom: 1rem;
  }
}

@layer layout {
  /* Hlavní obal stránky pomocí Gridu */
  .site-wrapper {
    display: grid;
    grid-template-rows: auto 1fr auto; /* Hlavička, Obsah, Patička */
    min-height: 100vh;
  }

  /* Univerzální kontejner s využitím Gridu pro odsazení (Layout Grid) */
  .container {
    width: 100%;
    padding-inline: 1.5rem;
    margin-inline: auto;
    max-width: 1200px;
  }

  /* Grid systém pro sekce */
  .grid-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  @media (min-width: 768px) {
    .grid-2 {
      grid-template-columns: 1fr 1fr;
      align-items: center;
    }
  }

  /* Hlavička */
  .site-header {
    background-color: var(--color-bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
  }

  .header-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-block: 1rem;
    gap: 1rem;
  }

  @media (min-width: 768px) {
    .header-inner {
      flex-direction: row;
      justify-content: space-between;
      padding-block: 0.5rem;
    }
  }

  /* Patička */
  .site-footer {
    background-color: var(--color-primary-dark);
    color: var(--color-bg-white);
    padding-block: 3rem;
    margin-top: 4rem;
  }

  .footer-inner {
    display: grid;
    gap: 2rem;
    text-align: center;
  }

  @media (min-width: 768px) {
    .footer-inner {
      grid-template-columns: repeat(3, 1fr);
      text-align: left;
    }
  }
}

@layer components {
  /* Logo */
  .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: var(--size-text-lg);
    font-weight: 700;
    color: var(--color-primary);
  }
  
  .logo img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    object-fit: cover;
  }

  /* Navigace */
  .main-nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
  }

  .main-nav a {
    font-weight: 600;
    color: var(--color-text-main);
    padding: 0.5rem;
    transition: color var(--transition-fast);
    position: relative;
    /* Thumb rule: snadno klikatelné */
    display: inline-block;
    min-height: 44px;
    min-width: 44px;
    align-content: center;
  }

  .main-nav a:hover,
  .main-nav a.active {
    color: var(--color-primary);
  }

  .main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
  }

  .main-nav a:hover::after,
  .main-nav a.active::after {
    width: 100%;
  }

  /* Přepínač jazyků */
  .lang-switch {
    display: flex;
    gap: 0.5rem;
    align-items: center;
  }

  .lang-switch a {
    font-size: var(--size-text-sm);
    font-weight: 700;
    color: var(--color-text-muted);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
  }

  .lang-switch a.active {
    background-color: var(--color-primary-light);
    color: var(--color-bg-white);
  }

  /* Tlačítka - Thumb rule design */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-family: var(--font-heading);
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), background-color var(--transition-fast), box-shadow var(--transition-fast);
    /* Minimální velikost pro dotyk */
    min-height: 48px;
    text-align: center;
  }

  .btn:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 84, 0, 0.3);
  }

  .btn-secondary {
    background-color: var(--color-secondary);
  }

  .btn-secondary:hover {
    background-color: var(--color-secondary-light);
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.3);
  }

  /* Hero Sekce */
  .hero {
    padding-block: 4rem;
    background: linear-gradient(135deg, var(--color-bg-white) 0%, var(--color-bg-light) 100%);
    border-radius: var(--radius-lg);
    margin-top: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
  }

  .hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  .hero-image img {
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    transition: transform var(--transition-base);
  }

  .hero-image img:hover {
    transform: scale(1.02);
  }

  /* Karty a boxy */
  .card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border: 1px solid var(--color-border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    height: 100%;
    display: flex;
    flex-direction: column;
  }

  .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  }

  /* Ikony (pomocí ligatur) */
  .icon {
    font-family: 'Material Symbols Outlined', 'IcoMoon', sans-serif;
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
  }

  /* Galerie (CSS Grid) */
  .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
  }

  .gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
  }

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

  .gallery-item:hover img {
    transform: scale(1.1);
  }

  .gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(74, 53, 37, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity var(--transition-base);
  }

  .gallery-item:hover .gallery-overlay {
    opacity: 1;
  }

  .gallery-overlay span {
    color: var(--color-bg-white);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: var(--size-text-lg);
    transform: translateY(10px);
    transition: transform var(--transition-base);
  }

  .gallery-item:hover .gallery-overlay span {
    transform: translateY(0);
  }

  /* Speciální rozložení pro větší obrazovky v galerii (bento grid efekt) */
  @media (min-width: 768px) {
    .gallery-grid {
      grid-template-columns: repeat(3, 1fr);
      grid-auto-rows: 250px;
    }
    
    .gallery-item.featured {
      grid-column: span 2;
      grid-row: span 2;
      aspect-ratio: auto;
    }
  }

  /* Kontaktní formulář (Vizuál) */
  .form-group {
    margin-bottom: 1.5rem;
  }

  .form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text-main);
  }

  .form-control {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  }

  .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(211, 84, 0, 0.1);
  }

  textarea.form-control {
    min-height: 150px;
    resize: vertical;
  }
}

@layer utilities {
  .text-center { text-align: center; }
  .text-primary { color: var(--color-primary); }
  .text-secondary { color: var(--color-secondary); }
  .mt-4 { margin-top: 2rem; }
  .mb-4 { margin-bottom: 2rem; }
  .py-4 { padding-block: 4rem; }
  .gap-2 { gap: 1rem; }
}