/* =========================================================
   Kujta Bau – Eigenes Stylesheet (ergänzt Bootstrap 5)
   Farbwelt: Garten- & Landschaftsbau (Dunkelgrün + Sandtöne)
   ========================================================= */

/* ---------- 1. Design-Tokens ---------- */
:root {
  --kb-green-900: #10301d;
  --kb-green-800: #17452a;
  --kb-green-700: #1e5c37;
  --kb-green-600: #257446;
  --kb-green-500: #2f8d56;
  --kb-green-100: #e4f0e9;

  --kb-sand-100: #faf7f1;
  --kb-sand-200: #f2ece0;
  --kb-sand-300: #e6dcc9;

  --kb-accent: #c8a227;   /* warmer Messing-/Sandton für Akzente */
  --kb-ink: #1b211d;
  --kb-muted: #5c6661;
  --kb-line: rgba(16, 48, 29, .12);

  --kb-radius: 14px;
  --kb-radius-sm: 10px;
  --kb-shadow: 0 2px 4px rgba(16, 48, 29, .04), 0 12px 28px rgba(16, 48, 29, .08);
  --kb-shadow-sm: 0 1px 2px rgba(16, 48, 29, .05), 0 6px 16px rgba(16, 48, 29, .06);

  --kb-font-head: "Segoe UI", "Trebuchet MS", system-ui, -apple-system, Arial, sans-serif;
  --kb-font-body: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---------- 2. Basis ---------- */
html { scroll-behavior: smooth; }

body {
  font-family: var(--kb-font-body);
  color: var(--kb-ink);
  background-color: #fff;
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, .kb-display {
  font-family: var(--kb-font-head);
  font-weight: 700;
  color: var(--kb-green-900);
  line-height: 1.2;
  letter-spacing: -.015em;
}

h1 { font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3.1rem); }
h2 { font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.25rem); margin-bottom: .9rem; }
h3 { font-size: clamp(1.15rem, 1rem + .6vw, 1.4rem); }

a { color: var(--kb-green-700); text-underline-offset: .18em; }
a:hover { color: var(--kb-green-500); }

p { margin-bottom: 1.05rem; }

.kb-lead {
  font-size: 1.15rem;
  color: var(--kb-muted);
  max-width: 62ch;
}

.kb-muted { color: var(--kb-muted); }

/* Sichtbarer Fokus für Tastatur-Navigation (Barrierefreiheit) */
a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.form-control:focus-visible,
.nav-link:focus-visible {
  outline: 3px solid var(--kb-accent);
  outline-offset: 2px;
  box-shadow: none;
}

.kb-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2000;
  background: var(--kb-green-800);
  color: #fff;
  padding: .75rem 1.25rem;
  border-radius: 0 0 var(--kb-radius-sm) 0;
}
.kb-skip-link:focus { left: 0; color: #fff; }

/* ---------- 3. Buttons ---------- */
.btn {
  border-radius: 999px;
  font-weight: 600;
  padding: .7rem 1.6rem;
  transition: transform .15s ease, background-color .15s ease, box-shadow .15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-kb {
  background-color: var(--kb-green-700);
  border-color: var(--kb-green-700);
  color: #fff;
}
.btn-kb:hover, .btn-kb:focus {
  background-color: var(--kb-green-800);
  border-color: var(--kb-green-800);
  color: #fff;
}

.btn-kb-outline {
  background-color: transparent;
  border: 2px solid var(--kb-green-700);
  color: var(--kb-green-800);
}
.btn-kb-outline:hover, .btn-kb-outline:focus {
  background-color: var(--kb-green-700);
  color: #fff;
}

.btn-kb-light {
  background-color: #fff;
  border-color: #fff;
  color: var(--kb-green-800);
}
.btn-kb-light:hover, .btn-kb-light:focus {
  background-color: var(--kb-sand-200);
  border-color: var(--kb-sand-200);
  color: var(--kb-green-900);
}

.btn-kb-ghost {
  border: 2px solid rgba(255, 255, 255, .6);
  color: #fff;
  background: transparent;
}
.btn-kb-ghost:hover, .btn-kb-ghost:focus {
  background: rgba(255, 255, 255, .12);
  border-color: #fff;
  color: #fff;
}

/* ---------- 4. Topbar & Navigation ---------- */
.kb-topbar {
  background-color: var(--kb-green-900);
  color: var(--kb-sand-200);
  font-size: .875rem;
}
.kb-topbar a { color: var(--kb-sand-200); text-decoration: none; }
.kb-topbar a:hover { color: #fff; text-decoration: underline; }

.kb-navbar {
  background-color: #fff;
  box-shadow: 0 1px 0 var(--kb-line);
  padding-top: .6rem;
  padding-bottom: .6rem;
}

.kb-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex: 0 1 auto;
  min-width: 0;
}

/* Logo aus der Visitenkarte: helle Variante im Header, Originalfarben im Footer */
.kb-logo__img {
  display: block;
  height: 54px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}
.kb-logo__img--footer { height: 72px; }

@media (max-width: 575.98px) {
  .kb-logo__img { height: 42px; }
  .kb-logo__img--footer { height: 58px; }
}

.kb-navbar .nav-link {
  font-weight: 600;
  color: var(--kb-green-900);
  padding: .5rem .85rem;
  border-radius: var(--kb-radius-sm);
}
.kb-navbar .nav-link:hover { color: var(--kb-green-500); background-color: var(--kb-green-100); }
.kb-navbar .nav-link.active { color: var(--kb-green-600); }

.kb-navbar .dropdown-menu {
  border: 1px solid var(--kb-line);
  border-radius: var(--kb-radius);
  box-shadow: var(--kb-shadow);
  padding: .5rem;
}
.kb-navbar .dropdown-item {
  border-radius: var(--kb-radius-sm);
  padding: .5rem .75rem;
  font-weight: 500;
}
.kb-navbar .dropdown-item:hover,
.kb-navbar .dropdown-item:focus {
  background-color: var(--kb-green-100);
  color: var(--kb-green-800);
}

/* ---------- 5. Hero ---------- */
.kb-hero {
  position: relative;
  background:
    linear-gradient(115deg, rgba(16, 48, 29, .94) 0%, rgba(30, 92, 55, .86) 55%, rgba(47, 141, 86, .78) 100%),
    var(--kb-green-800);
  color: #fff;
  padding: clamp(3.5rem, 2rem + 8vw, 7rem) 0;
  overflow: hidden;
}
.kb-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(255, 255, 255, .10) 0, transparent 42%),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, .035) 0 2px, transparent 2px 22px);
  pointer-events: none;
}
.kb-hero > .container { position: relative; z-index: 1; }
.kb-hero h1, .kb-hero h2 { color: #fff; }
.kb-hero p { color: rgba(255, 255, 255, .88); }

.kb-hero--sub { padding: clamp(2.5rem, 1.5rem + 5vw, 4.5rem) 0; }

.kb-kicker {
  display: inline-block;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--kb-accent);
  margin-bottom: .75rem;
}
.kb-kicker--dark { color: var(--kb-green-600); }

.kb-hero__badges {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.75rem;
}
.kb-badge {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .22);
  color: #fff;
  border-radius: 999px;
  padding: .35rem .9rem;
  font-size: .85rem;
  font-weight: 500;
}

/* ---------- 6. Abschnitte & Flächen ---------- */
.kb-section { padding: clamp(3rem, 2rem + 4vw, 5.5rem) 0; }
.kb-section--tight { padding: clamp(2.25rem, 1.5rem + 3vw, 3.75rem) 0; }
.kb-section--sand { background-color: var(--kb-sand-100); }
.kb-section--green {
  background-color: var(--kb-green-900);
  color: rgba(255, 255, 255, .88);
}
.kb-section--green h2, .kb-section--green h3 { color: #fff; }

.kb-section__head { max-width: 46rem; margin-bottom: 2.5rem; }

/* ---------- 7. Karten ---------- */
.kb-card {
  height: 100%;
  background: #fff;
  border: 1px solid var(--kb-line);
  border-radius: var(--kb-radius);
  padding: 1.6rem;
  box-shadow: var(--kb-shadow-sm);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.kb-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--kb-shadow);
  border-color: rgba(47, 141, 86, .35);
}
.kb-card h3 { margin-bottom: .55rem; }
.kb-card p { color: var(--kb-muted); font-size: .98rem; }

.kb-card__link {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--kb-green-700);
}
.kb-card__link::after { content: "→"; transition: transform .18s ease; }
.kb-card:hover .kb-card__link::after { transform: translateX(4px); }

.kb-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: var(--kb-green-100);
  color: var(--kb-green-700);
  display: grid; place-items: center;
  margin-bottom: 1rem;
}
.kb-icon svg { width: 26px; height: 26px; }

/* ---------- 8. Merkmale, Schritte, Listen ---------- */
.kb-feature {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.kb-feature__icon {
  flex: 0 0 44px;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--kb-green-100);
  color: var(--kb-green-700);
  display: grid; place-items: center;
}
.kb-section--green .kb-feature__icon {
  background: rgba(255, 255, 255, .12);
  color: #fff;
}
.kb-feature h3 { font-size: 1.08rem; margin-bottom: .3rem; }
.kb-feature p { font-size: .96rem; color: var(--kb-muted); margin-bottom: 0; }
.kb-section--green .kb-feature p { color: rgba(255, 255, 255, .78); }

.kb-step { counter-increment: kb-step; position: relative; padding-left: 3.4rem; }
.kb-step::before {
  content: counter(kb-step, decimal-leading-zero);
  position: absolute;
  left: 0; top: 0;
  width: 2.5rem; height: 2.5rem;
  border-radius: 50%;
  background: var(--kb-green-700);
  color: #fff;
  font-family: var(--kb-font-head);
  font-weight: 700;
  font-size: .95rem;
  display: grid; place-items: center;
}
.kb-steps { counter-reset: kb-step; }

.kb-check {
  list-style: none;
  padding-left: 0;
  margin-bottom: 0;
}
.kb-check li {
  position: relative;
  padding-left: 1.9rem;
  margin-bottom: .6rem;
}
.kb-check li::before {
  content: "";
  position: absolute;
  left: 0; top: .48em;
  width: 1.05rem; height: .6rem;
  border-left: 2.5px solid var(--kb-green-600);
  border-bottom: 2.5px solid var(--kb-green-600);
  transform: rotate(-45deg);
}
.kb-section--green .kb-check li::before { border-color: var(--kb-accent); }

/* ---------- 9. Content-Typografie auf Unterseiten ---------- */
.kb-prose h2 { margin-top: 2.6rem; }
.kb-prose h2:first-child { margin-top: 0; }
.kb-prose h3 { margin-top: 1.8rem; margin-bottom: .6rem; }
.kb-prose ul { margin-bottom: 1.2rem; }
.kb-prose li { margin-bottom: .4rem; }
.kb-prose strong { color: var(--kb-green-900); }

.kb-callout {
  background: var(--kb-sand-100);
  border-left: 4px solid var(--kb-green-600);
  border-radius: 0 var(--kb-radius-sm) var(--kb-radius-sm) 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}
.kb-callout p:last-child { margin-bottom: 0; }

/* Sidebar auf Leistungs-Unterseiten */
.kb-aside {
  position: sticky;
  top: 1.5rem;
  background: var(--kb-sand-100);
  border: 1px solid var(--kb-line);
  border-radius: var(--kb-radius);
  padding: 1.5rem;
}
.kb-aside h3 { font-size: 1.1rem; }
.kb-aside .list-group-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--kb-line);
  padding: .55rem 0;
  font-weight: 500;
}
.kb-aside .list-group-item:last-child { border-bottom: 0; }
.kb-aside a { text-decoration: none; }
.kb-aside a:hover { text-decoration: underline; }

/* ---------- 10. Breadcrumb ---------- */
.kb-breadcrumb {
  background: var(--kb-sand-100);
  border-bottom: 1px solid var(--kb-line);
  font-size: .9rem;
}
.kb-breadcrumb .breadcrumb { margin-bottom: 0; padding: .85rem 0; }
.kb-breadcrumb a { text-decoration: none; color: var(--kb-muted); }
.kb-breadcrumb a:hover { color: var(--kb-green-700); text-decoration: underline; }
.kb-breadcrumb .breadcrumb-item.active { color: var(--kb-green-900); font-weight: 600; }

/* ---------- 11. Accordion (FAQ) ---------- */
.kb-faq .accordion-item {
  border: 1px solid var(--kb-line);
  border-radius: var(--kb-radius) !important;
  margin-bottom: .75rem;
  overflow: hidden;
  background: #fff;
}
.kb-faq .accordion-button {
  font-family: var(--kb-font-head);
  font-weight: 600;
  color: var(--kb-green-900);
  background: #fff;
  padding: 1.1rem 1.25rem;
}
.kb-faq .accordion-button:not(.collapsed) {
  background: var(--kb-green-100);
  color: var(--kb-green-800);
  box-shadow: none;
}
.kb-faq .accordion-button:focus { box-shadow: none; }
.kb-faq .accordion-body { color: var(--kb-muted); padding-top: .25rem; }

/* ---------- 12. Einsatzgebiet ---------- */
.kb-area-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}
.kb-area-list li {
  background: #fff;
  border: 1px solid var(--kb-line);
  border-radius: 999px;
  padding: .3rem .9rem;
  font-size: .92rem;
  color: var(--kb-green-800);
}
.kb-section--green .kb-area-list li {
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .2);
  color: #fff;
}

/* ---------- 13. CTA-Band ---------- */
.kb-cta {
  background: linear-gradient(120deg, var(--kb-green-800), var(--kb-green-600));
  color: #fff;
  border-radius: var(--kb-radius);
  padding: clamp(2rem, 1.5rem + 2vw, 3rem);
}
.kb-cta h2 { color: #fff; }
.kb-cta p { color: rgba(255, 255, 255, .88); }

/* ---------- 14. Kontakt ---------- */
.kb-contact-item {
  display: flex;
  gap: .9rem;
  align-items: flex-start;
  margin-bottom: 1.35rem;
}
.kb-contact-item__icon {
  flex: 0 0 40px;
  width: 40px; height: 40px;
  border-radius: 11px;
  background: var(--kb-green-100);
  color: var(--kb-green-700);
  display: grid; place-items: center;
}
.kb-contact-item strong { display: block; color: var(--kb-green-900); }
.kb-contact-item a { text-decoration: none; }
.kb-contact-item a:hover { text-decoration: underline; }

.kb-form .form-label { font-weight: 600; color: var(--kb-green-900); font-size: .95rem; }
.kb-form .form-control,
.kb-form .form-select {
  border-radius: var(--kb-radius-sm);
  border-color: var(--kb-line);
  padding: .7rem .9rem;
}
.kb-form .form-control:focus,
.kb-form .form-select:focus {
  border-color: var(--kb-green-600);
  box-shadow: 0 0 0 .2rem rgba(47, 141, 86, .18);
}

.kb-hours {
  width: 100%;
  border-collapse: collapse;
}
.kb-hours th,
.kb-hours td {
  padding: .5rem 0;
  border-bottom: 1px solid var(--kb-line);
  font-weight: 500;
  text-align: left;
}
.kb-hours td:last-child { text-align: right; color: var(--kb-muted); }

/* ---------- 15. Footer ---------- */
.kb-footer {
  background-color: var(--kb-green-900);
  color: rgba(255, 255, 255, .72);
  padding-top: 3.5rem;
  font-size: .95rem;
}
.kb-footer h3 {
  color: #fff;
  font-size: 1rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 1.1rem;
}
.kb-footer a { color: rgba(255, 255, 255, .72); text-decoration: none; }
.kb-footer a:hover { color: #fff; text-decoration: underline; }
.kb-footer ul { list-style: none; padding: 0; margin: 0; }
.kb-footer li { margin-bottom: .5rem; }

.kb-footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .14);
  margin-top: 2.75rem;
  padding: 1.25rem 0;
  font-size: .875rem;
}

/* ---------- 16. Mobiler Anruf-Balken ---------- */
.kb-callbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 1030;
  display: none;
  gap: 1px;
  background: var(--kb-line);
  box-shadow: 0 -4px 18px rgba(16, 48, 29, .12);
}
.kb-callbar a {
  flex: 1;
  background: #fff;
  color: var(--kb-green-800);
  text-align: center;
  padding: .85rem .5rem;
  font-weight: 700;
  text-decoration: none;
  font-size: .95rem;
}
.kb-callbar a.kb-callbar__primary { background: var(--kb-green-700); color: #fff; }

@media (max-width: 767.98px) {
  .kb-callbar { display: flex; }
  body { padding-bottom: 3.4rem; }
  .kb-aside { position: static; }
}

/* ---------- 17. Bewegungsreduktion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
  .kb-card:hover { transform: none; }
}

/* ---------- 18. Druck ---------- */
@media print {
  .kb-topbar, .kb-navbar, .kb-callbar, .kb-cta, .kb-footer { display: none !important; }
  body { font-size: 11pt; padding-bottom: 0; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; }
}