@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

:root {
  --kb-navy: #1A2744;
  --kb-navy-light: #243456;
  --kb-stone: #E8E2D6;
  --kb-stone-dark: #D4CEC2;
  --kb-brass: #B08D57;
  --kb-brass-light: #C4A574;
  --kb-white: #FFFFFF;
  --kb-text: #2C2C2C;
  --kb-text-muted: #5A5A5A;
  --kb-font-serif: 'Libre Baskerville', Georgia, serif;
  --kb-font-sans: 'Source Sans 3', 'Segoe UI', sans-serif;
  --kb-max: 1200px;
  --kb-header-h: 72px;
  --kb-transition: 0.25s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--kb-font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--kb-text);
  background: var(--kb-white);
}

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

a { color: var(--kb-brass); text-decoration: none; transition: color var(--kb-transition); }
a:hover { color: var(--kb-brass-light); }

h1, h2, h3, h4 {
  font-family: var(--kb-font-serif);
  font-weight: 700;
  line-height: 1.25;
  color: var(--kb-navy);
}

h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 1rem; }
h3 { font-size: 1.25rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1rem; }

.kb-container {
  width: 100%;
  max-width: var(--kb-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Header ── */
.kb-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--kb-header-h);
  background: var(--kb-navy);
  box-shadow: 0 2px 12px rgba(26, 39, 68, 0.25);
}

.kb-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--kb-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.kb-logo {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}

.kb-logo__name {
  font-family: var(--kb-font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--kb-white);
}

.kb-logo__tag {
  font-size: 0.7rem;
  color: var(--kb-stone);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.kb-nav { display: flex; gap: 1.75rem; list-style: none; }

.kb-nav a {
  color: var(--kb-stone);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--kb-transition);
}

.kb-nav a:hover,
.kb-nav a.kb-nav--active { color: var(--kb-brass); }

.kb-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.kb-burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--kb-stone);
  transition: var(--kb-transition);
}

.kb-burger.kb-burger--open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.kb-burger.kb-burger--open span:nth-child(2) { opacity: 0; }
.kb-burger.kb-burger--open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Hero Split ── */
.kb-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: calc(100vh - var(--kb-header-h));
  margin-top: var(--kb-header-h);
}

.kb-hero__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 4rem 3rem 4rem 1.5rem;
  background: var(--kb-stone);
}

.kb-hero__copy .kb-container { padding: 0; max-width: 560px; margin-left: auto; margin-right: 0; }

.kb-hero__eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kb-brass);
  margin-bottom: 1rem;
}

.kb-hero__title { margin-bottom: 1.25rem; }

.kb-hero__lead {
  font-size: 1.1rem;
  color: var(--kb-text-muted);
  margin-bottom: 2rem;
}

.kb-hero__image {
  position: relative;
  overflow: hidden;
}

.kb-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kb-hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--kb-stone) 0%, transparent 8%);
}

/* ── Buttons ── */
.kb-btn {
  display: inline-block;
  padding: 0.85rem 2rem;
  font-family: var(--kb-font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--kb-transition);
}

.kb-btn--primary {
  background: var(--kb-navy);
  color: var(--kb-white);
  border-color: var(--kb-navy);
}

.kb-btn--primary:hover {
  background: var(--kb-navy-light);
  border-color: var(--kb-navy-light);
  color: var(--kb-white);
}

.kb-btn--outline {
  background: transparent;
  color: var(--kb-navy);
  border-color: var(--kb-navy);
}

.kb-btn--outline:hover {
  background: var(--kb-navy);
  color: var(--kb-white);
}

.kb-btn--brass {
  background: var(--kb-brass);
  color: var(--kb-white);
  border-color: var(--kb-brass);
}

.kb-btn--brass:hover {
  background: var(--kb-brass-light);
  border-color: var(--kb-brass-light);
  color: var(--kb-white);
}

.kb-btn-group { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ── Sections ── */
.kb-section { padding: 5rem 0; }

.kb-section--stone { background: var(--kb-stone); }
.kb-section--navy { background: var(--kb-navy); color: var(--kb-stone); }
.kb-section--navy h2, .kb-section--navy h3 { color: var(--kb-white); }

.kb-section__header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3rem;
}

.kb-section__eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kb-brass);
  margin-bottom: 0.75rem;
}

.kb-section--navy .kb-section__eyebrow { color: var(--kb-brass-light); }

/* ── Services Grid ── */
.kb-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.kb-service-card {
  background: var(--kb-white);
  border: 1px solid var(--kb-stone-dark);
  overflow: hidden;
  transition: box-shadow var(--kb-transition);
}

.kb-service-card:hover { box-shadow: 0 8px 32px rgba(26, 39, 68, 0.12); }

.kb-service-card__img { height: 200px; overflow: hidden; }

.kb-service-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.kb-service-card:hover .kb-service-card__img img { transform: scale(1.04); }

.kb-service-card__body { padding: 1.5rem; }

.kb-service-card__body h3 { font-size: 1.15rem; }

.kb-service-card__body p {
  font-size: 0.925rem;
  color: var(--kb-text-muted);
  margin-bottom: 1rem;
}

.kb-service-card__link {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--kb-brass);
}

/* ── Steps ── */
.kb-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  counter-reset: kb-step;
}

.kb-step { text-align: center; position: relative; }

.kb-step__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  background: var(--kb-navy);
  color: var(--kb-brass);
  font-family: var(--kb-font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 50%;
}

.kb-section--navy .kb-step__num {
  background: var(--kb-brass);
  color: var(--kb-navy);
}

.kb-step h3 { margin-bottom: 0.75rem; }

.kb-step p {
  font-size: 0.925rem;
  color: var(--kb-text-muted);
}

.kb-section--navy .kb-step p { color: var(--kb-stone); opacity: 0.85; }

/* ── Stats ── */
.kb-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.kb-stat__num {
  font-family: var(--kb-font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--kb-brass);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.kb-stat__label {
  font-size: 0.85rem;
  color: var(--kb-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── CTA Banner ── */
.kb-cta {
  position: relative;
  padding: 5rem 0;
  text-align: center;
  color: var(--kb-white);
  overflow: hidden;
}

.kb-cta__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.kb-cta__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.kb-cta__overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 39, 68, 0.82);
  z-index: 1;
}

.kb-cta__content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin: 0 auto;
}

.kb-cta h2 { color: var(--kb-white); margin-bottom: 1rem; }

.kb-cta p { opacity: 0.9; margin-bottom: 2rem; }

/* ── Page Hero (inner pages) ── */
.kb-page-hero {
  margin-top: var(--kb-header-h);
  padding: 4rem 0 3rem;
  background: var(--kb-navy);
  color: var(--kb-stone);
}

.kb-page-hero h1 { color: var(--kb-white); margin-bottom: 0.75rem; }

.kb-page-hero p { max-width: 600px; opacity: 0.85; margin-bottom: 0; }

.kb-breadcrumb {
  font-size: 0.8rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}

.kb-breadcrumb a { color: var(--kb-stone); }
.kb-breadcrumb a:hover { color: var(--kb-brass); }

/* ── About Layout ── */
.kb-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.kb-about-grid__img { border: 4px solid var(--kb-stone-dark); }

/* ── Leistungen Catalog ── */
.kb-catalog {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.kb-catalog-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem;
  background: var(--kb-white);
  border-left: 4px solid var(--kb-brass);
  box-shadow: 0 2px 12px rgba(26, 39, 68, 0.06);
}

.kb-catalog-item__icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--kb-stone);
  color: var(--kb-navy);
  font-family: var(--kb-font-serif);
  font-weight: 700;
  font-size: 1.1rem;
}

.kb-catalog-item h3 { font-size: 1.05rem; }

.kb-catalog-item p {
  font-size: 0.9rem;
  color: var(--kb-text-muted);
  margin-bottom: 0;
}

/* ── Team Grid ── */
.kb-team {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.kb-team-card {
  text-align: center;
  background: var(--kb-white);
  border: 1px solid var(--kb-stone-dark);
  overflow: hidden;
}

.kb-team-card__img {
  height: 320px;
  overflow: hidden;
}

.kb-team-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

.kb-team-card__body { padding: 1.5rem; }

.kb-team-card__role {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kb-brass);
  margin-bottom: 0.5rem;
}

.kb-team-card__spec {
  font-size: 0.875rem;
  color: var(--kb-text-muted);
  margin-bottom: 0;
}

/* ── Contact ── */
.kb-contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.kb-form-group { margin-bottom: 1.25rem; }

.kb-form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--kb-navy);
}

.kb-form-group input,
.kb-form-group select,
.kb-form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--kb-font-sans);
  font-size: 0.95rem;
  border: 1px solid var(--kb-stone-dark);
  background: var(--kb-white);
  color: var(--kb-text);
  transition: border-color var(--kb-transition);
}

.kb-form-group input:focus,
.kb-form-group select:focus,
.kb-form-group textarea:focus {
  outline: none;
  border-color: var(--kb-brass);
}

.kb-form-group textarea { min-height: 140px; resize: vertical; }

.kb-form-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}

.kb-form-check input { margin-top: 4px; flex-shrink: 0; }

.kb-impressum {
  background: var(--kb-stone);
  padding: 2rem;
  border-left: 4px solid var(--kb-navy);
}

.kb-impressum h3 { margin-bottom: 1rem; }

.kb-impressum p {
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.kb-impressum a { color: var(--kb-navy); font-weight: 500; }

/* ── Privacy ── */
.kb-privacy h2 { margin-top: 2.5rem; margin-bottom: 1rem; font-size: 1.35rem; }
.kb-privacy h3 { margin-top: 1.5rem; margin-bottom: 0.75rem; font-size: 1.1rem; }
.kb-privacy p, .kb-privacy li { font-size: 0.925rem; color: var(--kb-text-muted); }
.kb-privacy ul { margin: 0 0 1rem 1.5rem; }
.kb-privacy li { margin-bottom: 0.4rem; }

/* ── Footer ── */
.kb-footer {
  background: var(--kb-navy);
  color: var(--kb-stone);
  padding: 3.5rem 0 0;
}

.kb-footer__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid rgba(232, 226, 214, 0.15);
}

.kb-footer__col h4 {
  font-family: var(--kb-font-sans);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--kb-brass);
  margin-bottom: 1rem;
}

.kb-footer__col p,
.kb-footer__col li {
  font-size: 0.875rem;
  line-height: 1.7;
  opacity: 0.85;
}

.kb-footer__col ul { list-style: none; }

.kb-footer__col a {
  color: var(--kb-stone);
  text-decoration: none;
  transition: color var(--kb-transition);
}

.kb-footer__col a:hover { color: var(--kb-brass); }

.kb-footer__bottom {
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.6;
}

/* ── Cookie Bar ── */
.kb-cookie {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9999;
  background: var(--kb-navy);
  color: var(--kb-stone);
  padding: 1rem 1.5rem;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
  display: none;
}

.kb-cookie.kb-cookie--visible { display: block; }

.kb-cookie__inner {
  max-width: var(--kb-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.kb-cookie__text {
  font-size: 0.85rem;
  flex: 1;
  min-width: 240px;
}

.kb-cookie__text a { color: var(--kb-brass); }

.kb-cookie__actions { display: flex; gap: 0.75rem; flex-shrink: 0; }

.kb-cookie__btn {
  padding: 0.55rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--kb-transition);
}

.kb-cookie__btn--accept {
  background: var(--kb-brass);
  color: var(--kb-white);
}

.kb-cookie__btn--accept:hover { background: var(--kb-brass-light); }

.kb-cookie__btn--decline {
  background: transparent;
  color: var(--kb-stone);
  border: 1px solid rgba(232, 226, 214, 0.3);
}

.kb-cookie__btn--decline:hover { border-color: var(--kb-stone); }

/* ── Responsive 900px ── */
@media (max-width: 900px) {
  .kb-burger { display: flex; }

  .kb-nav {
    position: fixed;
    top: var(--kb-header-h);
    left: 0; right: 0;
    flex-direction: column;
    background: var(--kb-navy);
    padding: 1.5rem;
    gap: 0;
    transform: translateY(-120%);
    opacity: 0;
    transition: all var(--kb-transition);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
  }

  .kb-nav.kb-nav--open {
    transform: translateY(0);
    opacity: 1;
  }

  .kb-nav li { border-bottom: 1px solid rgba(232, 226, 214, 0.1); }
  .kb-nav a { display: block; padding: 0.85rem 0; }

  .kb-hero { grid-template-columns: 1fr; min-height: auto; }
  .kb-hero__copy { padding: 3rem 1.5rem; order: 1; }
  .kb-hero__copy .kb-container { margin: 0 auto; max-width: 100%; }
  .kb-hero__image { height: 360px; order: 0; }
  .kb-hero__image::after { display: none; }

  .kb-services { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .kb-steps { grid-template-columns: 1fr; gap: 2rem; max-width: 400px; margin: 0 auto; }
  .kb-stats { grid-template-columns: repeat(2, 1fr); }
  .kb-about-grid { grid-template-columns: 1fr; }
  .kb-catalog { grid-template-columns: 1fr; }
  .kb-team { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .kb-contact-grid { grid-template-columns: 1fr; }
  .kb-footer__grid { grid-template-columns: repeat(2, 1fr); }
}

/* ── Responsive 560px ── */
@media (max-width: 560px) {
  .kb-section { padding: 3rem 0; }
  .kb-hero__copy { padding: 2rem 1rem; }
  .kb-hero__image { height: 260px; }
  .kb-stats { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .kb-stat__num { font-size: 2rem; }
  .kb-btn-group { flex-direction: column; }
  .kb-btn { text-align: center; width: 100%; }
  .kb-footer__grid { grid-template-columns: 1fr; }
  .kb-cookie__inner { flex-direction: column; text-align: center; }
  .kb-cookie__actions { width: 100%; justify-content: center; }
  .kb-page-hero { padding: 2.5rem 0 2rem; }
  .kb-catalog-item { flex-direction: column; }
}