/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
  --clr-primary:       #2d6a4f;
  --clr-primary-dark:  #1b4332;
  --clr-primary-light: #52b788;
  --clr-accent:        #f0ede8;
  --clr-accent-dark:   #e0d9d0;
  --clr-white:         #ffffff;
  --clr-light:         #f4f7f5;
  --clr-gray-100:      #f3f4f6;
  --clr-gray-200:      #e5e7eb;
  --clr-gray-400:      #9ca3af;
  --clr-gray-500:      #6b7280;
  --clr-gray-600:      #4b5563;
  --clr-gray-800:      #1f2937;
  --clr-dark:          #111827;

  --ff-heading: 'Montserrat', sans-serif;
  --ff-body:    'Inter', sans-serif;

  --nav-h:     72px;
  --max-w:     1180px;
  --radius-s:  0.375rem;
  --radius-m:  0.625rem;
  --radius-l:  1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-s:  0 1px 3px rgba(0,0,0,.08);
  --shadow-m:  0 4px 12px rgba(0,0,0,.08);
  --shadow-l:  0 8px 24px rgba(0,0,0,.10);
  --shadow-xl: 0 20px 40px rgba(0,0,0,.12);

  --transition: all .25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--ff-body);
  color: var(--clr-gray-800);
  line-height: 1.65;
  overflow-x: hidden;
  background: var(--clr-white);
}

img  { max-width: 100%; height: auto; display: block; }
a    { text-decoration: none; color: inherit; }
ul   { list-style: none; }
address { font-style: normal; }

h1, h2, h3, h4 {
  font-family: var(--ff-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--clr-dark);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.3rem); }

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1.5rem;
  border-radius: var(--radius-full);
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: .88rem;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-lg    { padding: .9rem 2rem; font-size: .95rem; }
.btn-block { width: 100%; justify-content: center; }

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
}
.btn-primary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45,106,79,.3);
}

/* btn-accent is an alias for btn-primary */
.btn-accent { background: var(--clr-primary); color: var(--clr-white); border-color: var(--clr-primary); }
.btn-accent:hover { background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(27,67,50,.3); }

.btn-outline {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,.55);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--clr-white);
}

/* ============================================================
   SECTION UTILITIES
   ============================================================ */
.section          { padding: 5.5rem 0; background: var(--clr-white); }
.section--light   { background: var(--clr-light); }
.section--dark    { background: var(--clr-primary); }

.section-header {
  text-align: center;
  max-width: 660px;
  margin-inline: auto;
  margin-bottom: 3.5rem;
}
.section-header h2    { margin-bottom: .6rem; }
.section-header p     { color: var(--clr-gray-600); font-size: 1rem; line-height: 1.7; }
.section-header--light h2 { color: var(--clr-white); }
.section-header--light p  { color: rgba(255,255,255,.75); }

.section-tag {
  display: inline-block;
  background: rgba(45,106,79,.1);
  color: var(--clr-primary);
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  padding: .3rem .9rem;
  border-radius: var(--radius-full);
  margin-bottom: .75rem;
}
.section-tag--light {
  background: rgba(255,255,255,.15);
  color: var(--clr-white);
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: var(--clr-white);
  box-shadow: var(--shadow-m);
  transition: background .3s ease, box-shadow .3s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
}
.logo-img {
  height: 44px;
  width: auto;
  display: block;
}

/* Nav links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}
.nav-links > li > a {
  font-family: var(--ff-heading);
  font-weight: 500;
  font-size: 1rem;
  color: var(--clr-gray-600);
  transition: color .2s ease;
  position: relative;
  padding-bottom: 2px;
}
.nav-links > li > a::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0;
  width: 0; height: 2px;
  background: var(--clr-primary-light);
  transition: width .25s ease;
}
.nav-links > li > a:hover::after,
.nav-links > li > a.active::after { width: 100%; }
.nav-links > li > a:hover { color: var(--clr-primary); }
.nav-links > li > a.btn-primary { color: var(--clr-white) !important; }

.nav-cta { padding: .5rem 1rem !important; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .5rem;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--clr-dark);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--nav-h) 0 5rem;
  background: url('../img/bg_start.jpg') center/cover no-repeat;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.52);
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

.hero-content {
  max-width: 680px;
}

.hero-content h1 {
  color: var(--clr-white);
  font-weight: 900;
  margin-bottom: 1.25rem;
  animation: fadeUp .65s ease .15s both;
}

.text-accent { color: var(--clr-primary-light); }

.hero-sub {
  color: rgba(255,255,255,.78);
  font-size: clamp(.95rem, 1.8vw, 1.1rem);
  line-height: 1.78;
  margin-bottom: 2rem;
  animation: fadeUp .65s ease .3s both;
}
.hero-sub strong { color: var(--clr-white); font-weight: 600; }

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-bottom: 2.25rem;
  animation: fadeUp .65s ease .45s both;
}

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  animation: fadeUp .65s ease .6s both;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255,255,255,.78);
}
.trust-item i { color: var(--clr-primary-light); font-size: .9rem; }

/* Scroll arrow */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  width: 42px; height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.22);
  color: rgba(255,255,255,.55);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  transition: var(--transition);
  animation: bounce 2.2s ease-in-out infinite;
}
.hero-scroll:hover {
  background: rgba(255,255,255,.08);
  color: var(--clr-white);
}

/* ============================================================
   SERVICES
   ============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.service-card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-l);
  padding: 1.75rem;
  position: relative;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--clr-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}
.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-l);
  border-color: transparent;
}
.service-card:hover::before { transform: scaleX(1); }

.service-card--featured {
  background: var(--clr-primary-dark);
  border-color: transparent;
  color: var(--clr-white);
}
.service-card--featured::before {
  background: rgba(255,255,255,.5);
  transform: scaleX(1);
  height: 4px;
}
.service-card--featured:hover { background: var(--clr-primary-dark); }
.service-card--featured h3,
.service-card--featured p { color: var(--clr-white); }
.service-card--featured .service-link { color: var(--clr-white); }

.service-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-m);
  background: rgba(45,106,79,.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  color: var(--clr-primary);
  margin-bottom: 1rem;
  transition: var(--transition);
}

.service-card:hover .service-icon        { background: var(--clr-primary); color: var(--clr-white); }
.service-card--featured .service-icon    { background: rgba(255,255,255,.12); color: var(--clr-white); }
.service-card--featured:hover .service-icon { background: rgba(255,255,255,.2); }

.service-card h3 { font-size: 1.05rem; margin-bottom: .5rem; }
.service-card p  { font-size: .88rem; color: var(--clr-gray-600); line-height: 1.65; margin-bottom: 1rem; }
.service-card--featured p { color: rgba(255,255,255,.78); }

.service-link {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: .82rem;
  color: var(--clr-primary);
  transition: gap .2s ease;
}
.service-link:hover { gap: .55rem; }

/* ============================================================
   GALLERY – SLIDESHOW
   ============================================================ */
.slideshow {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-l);
  user-select: none;
}
.slideshow-track {
  display: flex;
  transition: transform .45s cubic-bezier(.4,0,.2,1);
  will-change: transform;
}
.slide {
  flex: 0 0 100%;
  min-width: 0;
}
.slide img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
  cursor: zoom-in;
}
.slide-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,.45);
  border: none;
  color: #fff;
  font-size: 2.4rem;
  line-height: 1;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s;
  z-index: 2;
}
.slide-btn:hover { background: rgba(0,0,0,.7); }
.slide-btn--prev { left: .75rem; }
.slide-btn--next { right: .75rem; }
.slide-dots {
  position: absolute;
  bottom: .75rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: .45rem;
  z-index: 2;
}
.slide-dot {
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: rgba(255,255,255,.5);
  border: none;
  cursor: pointer;
  transition: background .2s, transform .2s;
  padding: 0;
}
.slide-dot.active,
.slide-dot:hover {
  background: #fff;
  transform: scale(1.3);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.25rem;
}

.testimonial-card {
  flex: 0 0 calc((100% - 2 * 1.25rem) / 3);
  min-width: 280px;
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-l);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: transform .25s ease, box-shadow .25s ease;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-l);
}

.stars { display: flex; gap: .2rem; }
.stars i { color: #c9a85c; font-size: .95rem; }

.testimonial-card blockquote {
  font-size: .92rem;
  color: var(--clr-gray-600);
  line-height: 1.7;
  flex: 1;
  font-style: italic;
}

.t-author {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-top: .25rem;
}
.t-avatar {
  width: 40px; height: 40px; min-width: 40px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-family: var(--ff-heading);
  font-weight: 700;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.t-author strong {
  display: block;
  font-family: var(--ff-heading);
  font-size: .9rem;
  color: var(--clr-dark);
}
.t-author span {
  font-size: .78rem;
  color: var(--clr-gray-500);
}

/* ============================================================
   SERVICEGEBIET
   ============================================================ */
.gebiet-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.staedte-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem;
}
.stadt-item {
  display: flex;
  align-items: flex-start;
  gap: .65rem;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-m);
  padding: .75rem 1rem;
  transition: background .2s ease;
}
.stadt-item:hover { background: rgba(255,255,255,.13); }
.stadt-item i { color: var(--clr-primary-light); font-size: .85rem; margin-top: .25rem; }
.stadt-item strong { display: block; color: var(--clr-white); font-family: var(--ff-heading); font-size: .88rem; }
.stadt-item span   { font-size: .75rem; color: rgba(255,255,255,.5); }

.stadt-item--cta strong { color: var(--clr-white); }
.stadt-item--cta a {
  display: block;
  color: var(--clr-primary-light);
  font-size: .88rem;
  font-weight: 600;
  transition: color .2s ease;
}
.stadt-item--cta a:hover { color: var(--clr-white); }

.gebiet-map-box {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-l);
  overflow: hidden;
}
.map-ph {
  padding: 3.5rem 2rem;
  text-align: center;
  color: var(--clr-white);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .65rem;
}
.map-ph i    { font-size: 2.5rem; color: var(--clr-white); }
.map-ph h3   { color: var(--clr-white); font-size: 1.2rem; }
.map-ph p    { color: rgba(255,255,255,.6); font-size: .88rem; margin-bottom: .25rem; }

/* ============================================================
   KONTAKT
   ============================================================ */
.kontakt-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: start;
}

.kontakt-form-wrap {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-xl);
  padding: 2.25rem;
  box-shadow: var(--shadow-m);
}
.kontakt-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form-group { display: flex; flex-direction: column; gap: .3rem; }
.form-group label {
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: .8rem;
  color: var(--clr-gray-800);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: .65rem .95rem;
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--radius-m);
  font-family: var(--ff-body);
  font-size: .9rem;
  color: var(--clr-gray-800);
  background: var(--clr-white);
  transition: border-color .2s ease, box-shadow .2s ease;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(45,106,79,.1);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-gray-400); }
.form-group textarea { resize: vertical; min-height: 110px; }

.form-check { flex-direction: row !important; align-items: flex-start; gap: .6rem; }
.form-check input[type="checkbox"] {
  width: 17px; height: 17px;
  margin-top: .1rem;
  accent-color: var(--clr-primary);
  cursor: pointer;
  flex-shrink: 0;
}
.form-check label {
  font-family: var(--ff-body) !important;
  font-weight: 400 !important;
  font-size: .82rem;
  color: var(--clr-gray-600);
  cursor: pointer;
}
.text-link { color: var(--clr-primary); text-decoration: underline; }

.form-status {
  font-size: .86rem;
  padding: .55rem .85rem;
  border-radius: var(--radius-s);
  display: none;
}
.form-status.success { background: rgba(45,106,79,.1);  color: #166534; display: block; }
.form-status.error   { background: rgba(220,38,38,.07); color: #dc2626; display: block; }

/* Contact info column */
.kontakt-info h3 { font-size: 1.35rem; margin-bottom: 1.75rem; }

.ki-item {
  display: flex;
  align-items: center;
  gap: .9rem;
  padding-bottom: 1.1rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--clr-gray-100);
}
.ki-item:last-of-type { border-bottom: none; }
.ki-icon {
  width: 42px; height: 42px; min-width: 42px;
  background: rgba(45,106,79,.1);
  border-radius: var(--radius-m);
  display: flex; align-items: center; justify-content: center;
  color: var(--clr-primary);
  font-size: .95rem;
}
.ki-item > div > span {
  display: block;
  font-family: var(--ff-heading);
  font-weight: 600;
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--clr-gray-400);
  margin-bottom: .25rem;
}
.ki-item a {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  color: var(--clr-gray-800);
  transition: color .2s ease;
}
.ki-item a:hover { color: var(--clr-primary); }
.ki-item p       { font-size: .9rem; color: var(--clr-gray-800); line-height: 1.6; }
.ki-item address { font-size: .9rem; color: var(--clr-gray-800); line-height: 1.6; }

.ki-promise {
  background: rgba(45,106,79,.07);
  border: 1px solid rgba(45,106,79,.15);
  border-radius: var(--radius-m);
  padding: 1rem;
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  margin-top: .25rem;
}
.ki-promise i { color: var(--clr-primary); margin-top: .1rem; }
.ki-promise p { font-size: .85rem; color: var(--clr-gray-600); line-height: 1.55; }

/* ============================================================
   LEGAL PAGES (Datenschutz / Impressum)
   ============================================================ */
.legal-content {
  padding-top: calc(var(--nav-h) + 4rem);
  padding-bottom: 6rem;
  min-height: 100vh;
}
.legal-content h1 {
  margin-bottom: 2rem;
  color: var(--clr-dark);
}
.legal-content h2 {
  font-size: 1.1rem;
  margin-top: 2.25rem;
  margin-bottom: .5rem;
  color: var(--clr-dark);
}
.legal-content p,
.legal-content li {
  font-size: .95rem;
  color: var(--clr-gray-600);
  line-height: 1.8;
  margin-bottom: .6rem;
}
.legal-content ul {
  padding-left: 1.5rem;
  list-style: disc;
  margin-bottom: .75rem;
}
.legal-content a {
  color: var(--clr-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.legal-content a:hover { color: var(--clr-primary-dark); }

/* ============================================================
   LIGHTBOX
   ============================================================ */
#lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, .88);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
#lightbox.open { display: flex; }
#lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0, 0, 0, .6);
  cursor: default;
}
#lightboxClose {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  opacity: .75;
  transition: opacity .2s;
}
#lightboxClose:hover { opacity: 1; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer { background: var(--clr-gray-100); }

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--clr-gray-200);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  justify-content: center;
}
.footer-links a {
  font-size: .83rem;
  color: var(--clr-gray-600);
  transition: color .2s ease;
}
.footer-links a:hover { color: var(--clr-primary-dark); }

.footer-contact-line {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  align-items: flex-end;
}
.footer-contact-line a {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .83rem;
  color: var(--clr-gray-600);
  transition: color .2s ease;
}
.footer-contact-line a:hover { color: var(--clr-primary-light); }
.footer-contact-line i { color: var(--clr-primary); width: 12px; }

.footer-bottom {
  padding: 1rem 0;
  text-align: center;
}
.footer-bottom p {
  font-size: .78rem;
  color: var(--clr-gray-500);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem; right: 2rem;
  width: 44px; height: 44px;
  background: var(--clr-primary);
  color: var(--clr-white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: var(--shadow-l);
  display: flex; align-items: center; justify-content: center;
  font-size: .9rem;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity .25s ease, transform .25s ease, background .2s ease;
  z-index: 500;
}
.back-to-top.visible { opacity: 1; transform: translateY(0); pointer-events: all; }
.back-to-top:hover   { background: var(--clr-primary-dark); }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(7px); }
}

/* ============================================================
   FOCUS VISIBLE (keyboard accessibility)
   ============================================================ */
:focus-visible {
  outline: 3px solid var(--clr-primary-light);
  outline-offset: 3px;
  border-radius: var(--radius-s);
}
.btn:focus-visible,
.hero-scroll:focus-visible,
.back-to-top:focus-visible {
  outline: 3px solid var(--clr-primary-light);
  outline-offset: 3px;
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  html { scroll-behavior: auto; }
}

/* ============================================================
   RESPONSIVE – 768px
   ============================================================ */
@media (max-width: 768px) {
  .section { padding: 4rem 0; }

  .hamburger { display: flex; }

  .nav-links {
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: var(--clr-white);
    flex-direction: column;
    align-items: stretch;
    padding: .75rem 1.25rem 1.25rem;
    gap: 0;
    box-shadow: var(--shadow-l);
    transform: translateY(-110%);
    opacity: 0;
    pointer-events: none;
    transition: transform .3s ease, opacity .3s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links > li { border-bottom: 1px solid var(--clr-gray-100); }
  .nav-links > li:last-child { border-bottom: none; margin-top: .6rem; }
  .nav-links > li > a {
    display: block !important;
    padding: .8rem 0 !important;
    color: var(--clr-gray-800) !important;
    font-size: .9rem !important;
  }
  .nav-links > li > a::after { display: none; }
  .nav-cta { justify-content: center; }

  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; justify-content: center; }

  .services-grid    { grid-template-columns: 1fr 1fr; }
  .testimonial-card { flex: 0 0 100%; min-width: 0; }
  .gebiet-grid      { grid-template-columns: 1fr; }
  .kontakt-grid     { grid-template-columns: 1fr; }
  .form-row         { grid-template-columns: 1fr; }

  .footer-inner         { flex-direction: column; align-items: flex-start; }
  .footer-contact-line  { align-items: flex-start; }
}

/* ============================================================
   RESPONSIVE – 480px
   ============================================================ */
@media (max-width: 480px) {
  .services-grid  { grid-template-columns: 1fr; }
  .staedte-grid   { grid-template-columns: 1fr; }
  .hero-trust     { flex-direction: column; gap: .75rem; }
}