/* Knirzel Kern — tokenisiertes Layout-System */
@layer reset, tokens, basis, module, zustand;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  img, svg { display: block; max-width: 100%; height: auto; }
  button, input, select, textarea { font: inherit; color: inherit; }
  a { color: inherit; text-decoration-skip-ink: auto; }
}

@layer tokens {
  :root {
    --kz-petrol: #0b4545;
    --kz-petrol-hell: #126868;
    --kz-gold: #d4922a;
    --kz-gold-leicht: #f0c56e;
    --kz-sand: #f7f3eb;
    --kz-kohle: #1a2226;
    --kz-nebel: #5c6b73;
    --kz-weiss: #ffffff;
    --kz-schatten: 0 18px 48px rgba(11, 69, 69, 0.12);
    --kz-radius: 1.125rem;
    --kz-max: 72rem;
    --kz-font: "Segoe UI", system-ui, -apple-system, sans-serif;
    --kz-font-display: Georgia, "Times New Roman", serif;
    --kz-abstand-xs: clamp(0.5rem, 1vw, 0.75rem);
    --kz-abstand-sm: clamp(0.75rem, 1.5vw, 1.25rem);
    --kz-abstand-md: clamp(1.25rem, 2.5vw, 2rem);
    --kz-abstand-lg: clamp(2rem, 4vw, 3.5rem);
    --kz-abstand-xl: clamp(3rem, 6vw, 5.5rem);
    --kz-text: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --kz-text-klein: clamp(0.875rem, 0.85rem + 0.15vw, 0.9375rem);
    --kz-ueberschrift: clamp(1.75rem, 1.2rem + 2.5vw, 3rem);
    --kz-ueberschrift-klein: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  }
}

@layer basis {
  body {
    font-family: var(--kz-font);
    font-size: var(--kz-text);
    line-height: 1.65;
    color: var(--kz-kohle);
    background: var(--kz-sand);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }

  h1, h2, h3, h4 {
    font-family: var(--kz-font-display);
    line-height: 1.25;
    color: var(--kz-petrol);
    font-weight: 600;
  }

  h1 { font-size: var(--kz-ueberschrift); margin-bottom: var(--kz-abstand-sm); }
  h2 { font-size: var(--kz-ueberschrift-klein); margin: var(--kz-abstand-md) 0 var(--kz-abstand-sm); }
  h3 { font-size: 1.2rem; margin: var(--kz-abstand-sm) 0; }

  p { margin-bottom: 1em; }
  ul, ol { margin: 0 0 1em 1.25em; }
  li { margin-bottom: 0.35em; }

  .kz-haupt { flex: 1; }
  .kz-eingrenzen { width: min(var(--kz-max), calc(100% - 2rem)); margin-inline: auto; padding-inline: var(--kz-abstand-md); }
  .kz-eingrenzen--schmal { max-width: 52rem; }

  .kz-link { color: var(--kz-petrol-hell); text-decoration: underline; text-underline-offset: 3px; }
  .kz-link:hover { color: var(--kz-gold); }

  .kz-knopf {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.85rem 1.75rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--kz-petrol), var(--kz-petrol-hell));
    color: var(--kz-weiss);
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
  }
  .kz-knopf:hover { transform: translateY(-2px); box-shadow: var(--kz-schatten); }
  .kz-knopf--sekundaer {
    background: transparent;
    border: 2px solid var(--kz-petrol);
    color: var(--kz-petrol);
  }
  .kz-knopf--sekundaer:hover { background: var(--kz-petrol); color: var(--kz-weiss); }
}

@layer module {
  /* Kopfzeile */
  .kz-kopf {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247, 243, 235, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(11, 69, 69, 0.08);
  }

  .kz-kopf__zeile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-block: var(--kz-abstand-sm);
    gap: var(--kz-abstand-md);
  }

  .kz-logo {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-family: var(--kz-font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--kz-petrol);
    text-decoration: none;
  }

  .kz-logo__zeichen {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--kz-petrol);
    border-radius: 0.5rem 1rem 0.5rem 1rem;
    display: grid;
    place-items: center;
    color: var(--kz-gold-leicht);
    font-size: 1.1rem;
    font-weight: 800;
  }

  .kz-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; list-style: none; margin: 0; }
  .kz-nav a {
    text-decoration: none;
    font-size: var(--kz-text-klein);
    font-weight: 500;
    color: var(--kz-nebel);
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
  }
  .kz-nav a:hover, .kz-nav a[aria-current="page"] {
    color: var(--kz-petrol);
    border-bottom-color: var(--kz-gold);
  }

  .kz-menue-knopf {
    display: none;
    background: none;
    border: 2px solid var(--kz-petrol);
    border-radius: 0.5rem;
    padding: 0.4rem 0.65rem;
    cursor: pointer;
    color: var(--kz-petrol);
    font-size: 1.25rem;
  }

  /* Heldenbereich */
  .kz-held {
    position: relative;
    padding-block: var(--kz-abstand-xl);
    overflow: hidden;
  }

  .kz-held__raster {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--kz-abstand-lg);
    align-items: center;
  }

  .kz-held__badge {
    display: inline-block;
    background: var(--kz-gold-leicht);
    color: var(--kz-petrol);
    font-size: var(--kz-text-klein);
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: var(--kz-abstand-sm);
  }

  .kz-held__text { font-size: 1.15rem; color: var(--kz-nebel); max-width: 38ch; }
  .kz-held__aktionen { display: flex; flex-wrap: wrap; gap: var(--kz-abstand-sm); margin-top: var(--kz-abstand-md); }

  .kz-held__bild {
    border-radius: var(--kz-radius);
    overflow: hidden;
    box-shadow: var(--kz-schatten);
    transform: rotate(1.5deg);
  }

  .kz-held__bild img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }

  /* Karten-Raster */
  .kz-raster {
    display: grid;
    gap: var(--kz-abstand-md);
    padding-block: var(--kz-abstand-lg);
  }

  .kz-raster--drei { grid-template-columns: repeat(3, 1fr); }
  .kz-raster--zwei { grid-template-columns: repeat(2, 1fr); }

  .kz-karte {
    background: var(--kz-weiss);
    border-radius: var(--kz-radius);
    padding: var(--kz-abstand-md);
    box-shadow: var(--kz-schatten);
    border: 1px solid rgba(11, 69, 69, 0.06);
    transition: transform 0.25s;
  }

  .kz-karte:hover { transform: translateY(-4px); }

  .kz-karte__zahl {
    font-family: var(--kz-font-display);
    font-size: 2.5rem;
    color: var(--kz-gold);
    line-height: 1;
    margin-bottom: 0.25rem;
  }

  .kz-karte__icon {
    width: 3rem;
    height: 3rem;
    margin-bottom: var(--kz-abstand-sm);
    color: var(--kz-petrol);
  }

  /* Inhaltsabschnitt */
  .kz-abschnitt {
    padding-block: var(--kz-abstand-lg);
  }

  .kz-abschnitt--weiss { background: var(--kz-weiss); }
  .kz-abschnitt--petrol {
    background: var(--kz-petrol);
    color: var(--kz-weiss);
  }
  .kz-abschnitt--petrol h2, .kz-abschnitt--petrol h3 { color: var(--kz-gold-leicht); }

  .kz-spalten {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--kz-abstand-lg);
    align-items: start;
  }

  .kz-bildrahmen {
    border-radius: var(--kz-radius);
    overflow: hidden;
    box-shadow: var(--kz-schatten);
  }

  /* Preistabelle */
  .kz-preis-karte {
    text-align: center;
    position: relative;
  }

  .kz-preis-karte--hervorgehoben {
    border: 2px solid var(--kz-gold);
    transform: scale(1.03);
  }

  .kz-preis-karte__preis {
    font-family: var(--kz-font-display);
    font-size: 2.75rem;
    color: var(--kz-petrol);
    margin: var(--kz-abstand-sm) 0;
  }

  .kz-preis-karte__preis small {
    font-size: 1rem;
    color: var(--kz-nebel);
  }

  .kz-preis-karte ul {
    list-style: none;
    margin: var(--kz-abstand-md) 0;
    text-align: left;
  }

  .kz-preis-karte li::before {
    content: "✓";
    color: var(--kz-gold);
    font-weight: bold;
    margin-right: 0.5rem;
  }

  /* Formular */
  .kz-formular {
    display: grid;
    gap: var(--kz-abstand-sm);
    max-width: 36rem;
  }

  .kz-feld label {
    display: block;
    font-weight: 600;
    font-size: var(--kz-text-klein);
    margin-bottom: 0.35rem;
    color: var(--kz-petrol);
  }

  .kz-feld input,
  .kz-feld select,
  .kz-feld textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid rgba(11, 69, 69, 0.2);
    border-radius: 0.65rem;
    background: var(--kz-weiss);
    transition: border-color 0.2s, box-shadow 0.2s;
  }

  .kz-feld input:focus,
  .kz-feld select:focus,
  .kz-feld textarea:focus {
    outline: none;
    border-color: var(--kz-petrol-hell);
    box-shadow: 0 0 0 3px rgba(18, 104, 104, 0.15);
  }

  .kz-feld--fehler input,
  .kz-feld--fehler textarea,
  .kz-feld--fehler select {
    border-color: #c0392b;
  }

  .kz-feld__hinweis {
    font-size: 0.8rem;
    color: var(--kz-nebel);
    margin-top: 0.25rem;
  }

  .kz-checkbox {
    display: flex;
    gap: 0.65rem;
    align-items: flex-start;
    font-size: var(--kz-text-klein);
  }

  .kz-checkbox input { width: auto; margin-top: 0.25rem; flex-shrink: 0; }

  /* Fußzeile */
  .kz-fuss {
    background: var(--kz-kohle);
    color: rgba(255, 255, 255, 0.85);
    padding-block: var(--kz-abstand-lg);
    margin-top: auto;
  }

  .kz-fuss h3 { color: var(--kz-gold-leicht); font-size: 1rem; margin-bottom: var(--kz-abstand-sm); }

  .kz-fuss__raster {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--kz-abstand-md);
  }

  .kz-fuss a { color: rgba(255, 255, 255, 0.75); text-decoration: none; }
  .kz-fuss a:hover { color: var(--kz-gold-leicht); }

  .kz-fuss__liste { list-style: none; margin: 0; }
  .kz-fuss__liste li { margin-bottom: 0.4rem; font-size: var(--kz-text-klein); }

  .kz-fuss__unter {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: var(--kz-abstand-md);
    padding-top: var(--kz-abstand-sm);
    font-size: var(--kz-text-klein);
    color: rgba(255, 255, 255, 0.5);
    text-align: center;
  }

  /* Cookie-Banner */
  .kz-cookie {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 200;
    background: var(--kz-kohle);
    color: var(--kz-weiss);
    padding: var(--kz-abstand-md);
    transform: translateY(100%);
    transition: transform 0.4s ease;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.2);
  }

  .kz-cookie[data-sichtbar="true"] { transform: translateY(0); }

  .kz-cookie__inhalt {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--kz-abstand-sm);
    max-width: var(--kz-max);
    margin-inline: auto;
  }

  .kz-cookie p { margin: 0; font-size: var(--kz-text-klein); flex: 1; min-width: 16rem; }

  .kz-cookie__knopfe { display: flex; gap: 0.5rem; flex-wrap: wrap; }

  .kz-cookie__knopfe button {
    padding: 0.6rem 1.25rem;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    font-size: var(--kz-text-klein);
  }

  .kz-cookie__akzeptieren { background: var(--kz-gold); color: var(--kz-kohle); }
  .kz-cookie__ablehnen { background: transparent; border: 1px solid rgba(255,255,255,0.3) !important; color: var(--kz-weiss); }

  /* Rechtstext */
  .kz-rechtstext h2 { margin-top: var(--kz-abstand-md); }
  .kz-rechtstext h3 { margin-top: var(--kz-abstand-sm); font-size: 1.05rem; }

  /* FAQ Akkordeon */
  .kz-faq-item {
    border-bottom: 1px solid rgba(11, 69, 69, 0.1);
    padding-block: var(--kz-abstand-sm);
  }

  .kz-faq-item summary {
    cursor: pointer;
    font-weight: 600;
    color: var(--kz-petrol);
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .kz-faq-item summary::-webkit-details-marker { display: none; }
  .kz-faq-item summary::after { content: "+"; font-size: 1.25rem; color: var(--kz-gold); }
  .kz-faq-item[open] summary::after { content: "−"; }

  .kz-faq-item p { margin-top: var(--kz-abstand-sm); color: var(--kz-nebel); }

  /* Scroll-Reveal */
  .kz-einblenden {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .kz-einblenden[data-sichtbar="true"] {
    opacity: 1;
    transform: translateY(0);
  }

  /* Breadcrumb */
  .kz-brotkrumen {
    font-size: var(--kz-text-klein);
    color: var(--kz-nebel);
    padding-block: var(--kz-abstand-sm);
  }

  .kz-brotkrumen a { color: var(--kz-petrol-hell); text-decoration: none; }
}

@layer zustand {
  @media (max-width: 900px) {
    .kz-held__raster,
    .kz-spalten,
    .kz-raster--drei,
    .kz-raster--zwei,
    .kz-fuss__raster { grid-template-columns: 1fr; }

    .kz-menue-knopf { display: block; }

    .kz-nav {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--kz-sand);
      flex-direction: column;
      padding: var(--kz-abstand-md);
      border-bottom: 1px solid rgba(11, 69, 69, 0.1);
      box-shadow: var(--kz-schatten);
    }

    .kz-nav[data-offen="true"] { display: flex; }

    .kz-preis-karte--hervorgehoben { transform: none; }
  }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      animation-duration: 0.01ms !important;
      transition-duration: 0.01ms !important;
    }
    .kz-einblenden { opacity: 1; transform: none; }
  }
}