/* --------------------------------------------------
   BlitzBlank Profireinigung – Elegant Classic CSS
   --------------------------------------------------
   Brand Colors:
     Primary:   #24435A (deep blue)
     Secondary: #86C5D2 (muted aqua)
     Accent:    #E9F5F9 (very light blue)
   Fonts:
     Display:   'Montserrat', 'Georgia', serif
     Body:      'Open Sans', 'Georgia', serif
   --------------------------------------------------
   Elegant Classic: serif fonts, muted colors, refined spacing, classic proportions
   -------------------------------------------------- */

@import url('https://fonts.googleapis.com/css?family=Montserrat:700,600,400&display=swap');
@import url('https://fonts.googleapis.com/css?family=Open+Sans:400,600,700&display=swap');

:root {
  --color-primary: #24435A;
  --color-secondary: #86C5D2;
  --color-accent: #E9F5F9;
  --color-bg: #F8F9FA;
  --color-white: #fff;
  --color-black: #181818;
  --color-grey: #6B7A8F;
  --color-border: #E0E4EA;
  --color-shadow: rgba(36,67,90,0.07);
  --font-display: 'Montserrat', Georgia, serif;
  --font-body: 'Open Sans', Georgia, serif;
  --radius: 10px;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --shadow-card: 0 4px 24px var(--color-shadow);
  --shadow-hover: 0 8px 32px rgba(36,67,90,0.12);
}

html {
  box-sizing: border-box;
  font-size: 18px;
  background: var(--color-bg);
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-bg);
  margin: 0;
  padding: 0;
  line-height: 1.7;
  font-size: 1rem;
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 0.7em;
  font-weight: 700;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
  margin-bottom: 0.5em;
}
h2 {
  font-size: 1.6rem;
  margin-bottom: 0.5em;
}
h3 {
  font-size: 1.2rem;
  margin-bottom: 0.4em;
}
h4, h5, h6 {
  font-size: 1rem;
  margin-bottom: 0.3em;
}
p {
  margin-top: 0;
  margin-bottom: 1.1em;
  color: var(--color-grey);
  font-size: 1rem;
}
strong {
  color: var(--color-primary);
  font-weight: 700;
}
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-primary);
  text-decoration: underline;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.content-wrapper {
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

/* Section Spacing */
section {
  margin-bottom: 60px;
  padding: 40px 0 0 0;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}

/* Cards & Grids */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px 28px;
  margin-bottom: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px) scale(1.01);
}

.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.text-image-section > div {
  flex: 1 1 320px;
  min-width: 0;
}
.text-image-section img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-accent);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  min-width: 260px;
  max-width: 420px;
  color: var(--color-primary);
}
.testimonial-card p {
  color: var(--color-primary);
  font-style: italic;
  margin-bottom: 0.5em;
}
.testimonial-card strong {
  color: var(--color-secondary);
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* Feature Grids */
.feature-grid, .service-cards, .service-grid, .image-gallery, .testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 20px;
}
.feature-grid > div, .service-cards > div, .service-grid > div {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px 22px;
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 340px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover, .service-cards > div:hover, .service-grid > div:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px) scale(1.01);
}

.image-gallery {
  gap: 20px;
}
.image-gallery img {
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  width: 100%;
  max-width: 320px;
  height: auto;
}

/* Lists */
.feature-list, .service-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.feature-list li, .service-list li {
  background: var(--color-accent);
  border-radius: var(--radius);
  padding: 18px 20px;
  color: var(--color-primary);
  font-size: 1rem;
  box-shadow: 0 1px 6px var(--color-shadow);
}

/* Hero Section */
.hero {
  background: linear-gradient(120deg, var(--color-accent) 60%, var(--color-secondary) 100%);
  padding: 60px 0 40px 0;
  margin-bottom: 60px;
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
}
.hero .content-wrapper {
  align-items: flex-start;
  max-width: 700px;
}
.hero h1 {
  color: var(--color-primary);
  font-size: 2.5rem;
  margin-bottom: 0.3em;
}
.hero p {
  color: var(--color-grey);
  font-size: 1.15rem;
  margin-bottom: 1.5em;
}

/* CTA Buttons */
.cta {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  padding: 14px 32px;
  border-radius: var(--radius);
  background: var(--color-secondary);
  color: var(--color-primary);
  border: none;
  box-shadow: 0 2px 8px var(--color-shadow);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  text-align: center;
  margin-top: 10px;
  margin-bottom: 10px;
}
.cta.primary {
  background: var(--color-primary);
  color: var(--color-white);
}
.cta.primary:hover, .cta.primary:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
  box-shadow: 0 4px 16px var(--color-shadow);
  transform: translateY(-2px) scale(1.02);
}
.cta:hover, .cta:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
  box-shadow: 0 4px 16px var(--color-shadow);
  transform: translateY(-2px) scale(1.02);
}

/* Header & Navigation */
header {
  background: var(--color-white);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  gap: 20px;
}
.logo img {
  height: 48px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}

/* Hide mobile menu toggle on desktop */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 12px;
  transition: color var(--transition);
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  color: var(--color-secondary);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(36,67,90,0.97);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(.4,0,.2,1);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 2.2rem;
  align-self: flex-end;
  margin: 24px 24px 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  width: 100%;
  align-items: flex-start;
  margin: 40px 0 0 40px;
}
.mobile-nav a {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}

/* Footer */
footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0 0 0 0;
  font-size: 1rem;
  margin-top: 60px;
}
footer .container {
  padding: 0 20px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 36px 0 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-top .logo img {
  height: 40px;
}
.footer-nav {
  display: flex;
  gap: 24px;
}
.footer-nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1rem;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-secondary);
}
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: center;
  padding: 18px 0 24px 0;
  font-size: 0.95rem;
  color: var(--color-accent);
}

/* Contact Details Section */
.contact-details {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  align-items: center;
  margin-bottom: 20px;
}
.contact-details > div {
  flex: 1 1 320px;
  min-width: 0;
}
.contact-details img {
  max-width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-2 { margin-top: 20px !important; }
.mb-2 { margin-bottom: 20px !important; }

/* Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 -2px 16px var(--color-shadow);
  z-index: 99999;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 16px 16px;
  gap: 18px;
  animation: cookieBannerIn 0.5s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieBannerIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner p {
  margin: 0 0 8px 0;
  color: var(--color-primary);
  font-size: 1rem;
}
.cookie-banner .cookie-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.cookie-banner button {
  font-family: var(--font-display);
  font-size: 1rem;
  border-radius: var(--radius);
  border: none;
  padding: 10px 24px;
  margin: 0;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 1px 6px var(--color-shadow);
}
.cookie-banner .accept {
  background: var(--color-primary);
  color: var(--color-white);
}
.cookie-banner .accept:hover, .cookie-banner .accept:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}
.cookie-banner .reject {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 1px solid var(--color-secondary);
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-secondary);
  color: var(--color-white);
}
.cookie-banner .settings {
  background: var(--color-secondary);
  color: var(--color-primary);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-primary);
  color: var(--color-white);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(36,67,90,0.65);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.3s cubic-bezier(.4,0,.2,1);
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px var(--color-shadow);
  padding: 36px 28px 28px 28px;
  max-width: 420px;
  width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: modalIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes modalIn {
  from { transform: translateY(60px) scale(0.97); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  margin-bottom: 0.5em;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
}
.cookie-modal .cookie-category:last-child {
  border-bottom: none;
}
.cookie-modal label {
  font-size: 1rem;
  color: var(--color-primary);
}
.cookie-modal .toggle {
  appearance: none;
  width: 38px;
  height: 22px;
  background: var(--color-accent);
  border-radius: 12px;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background var(--transition);
  border: 1px solid var(--color-secondary);
}
.cookie-modal .toggle:checked {
  background: var(--color-secondary);
}
.cookie-modal .toggle:before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}
.cookie-modal .toggle:checked:before {
  transform: translateX(16px);
  background: var(--color-white);
}
.cookie-modal .cookie-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  margin-top: 18px;
}
.cookie-modal .close-modal {
  background: none;
  border: none;
  color: var(--color-grey);
  font-size: 1.5rem;
  position: absolute;
  top: 18px;
  right: 18px;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .close-modal:hover, .cookie-modal .close-modal:focus {
  color: var(--color-primary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .container {
    max-width: 960px;
  }
  .feature-grid > div, .service-cards > div, .service-grid > div {
    max-width: 48%;
  }
}
@media (max-width: 900px) {
  .footer-top, .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .main-nav {
    gap: 18px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 17px;
  }
  .container {
    max-width: 100vw;
    padding: 0 12px;
  }
  .content-wrapper {
    padding: 0;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .footer-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .footer-nav {
    gap: 14px;
    flex-wrap: wrap;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .feature-grid, .service-cards, .service-grid, .image-gallery, .testimonial-slider {
    flex-direction: column;
    gap: 20px;
  }
  .feature-grid > div, .service-cards > div, .service-grid > div {
    max-width: 100%;
    min-width: 0;
  }
  .text-image-section, .contact-details {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }
  .hero .content-wrapper {
    align-items: flex-start;
    max-width: 100%;
  }
}
@media (max-width: 540px) {
  html {
    font-size: 16px;
  }
  .hero {
    padding: 36px 0 24px 0;
  }
  .card, .feature-grid > div, .service-cards > div, .service-grid > div {
    padding: 18px 10px;
  }
  .cookie-modal {
    padding: 18px 8px 12px 8px;
  }
}

/* Micro-interactions */
button, .cta, .mobile-menu-toggle, .mobile-menu-close {
  outline: none;
}
button:focus-visible, .cta:focus-visible, .mobile-menu-toggle:focus-visible, .mobile-menu-close:focus-visible {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* Hide scroll on mobile menu open */
body.mobile-menu-open {
  overflow: hidden;
}

/* Accessibility: visually hidden */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* Elegant Classic Details */
hr {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 40px 0;
}
blockquote {
  border-left: 4px solid var(--color-secondary);
  margin: 0 0 20px 0;
  padding: 12px 20px;
  background: var(--color-accent);
  color: var(--color-primary);
  font-style: italic;
  border-radius: var(--radius);
}

/* Remove number input arrows for toggles */
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type=number] {
  -moz-appearance: textfield;
}

/* End of CSS */