/* =============================
   BauKultur Deutschland
   Industrial Modern CSS Theme
   ============================= */

/* ====== FONT IMPORTS ====== */
@import url('https://fonts.googleapis.com/css?family=Montserrat:700,600,500,400&display=swap');
@import url('https://fonts.googleapis.com/css?family=Roboto:400,500,700&display=swap');

:root {
  --color-primary: #222C3A;
  --color-secondary: #D6B87A;
  --color-accent: #F2F2F2;
  --color-bg: #181C22;
  --color-bg-light: #232A33;
  --color-metal: #8A8D91;
  --color-shadow: rgba(34,44,58,0.25);
  --color-border: #353C45;
  --color-error: #c0392b;
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-card: 0 4px 24px 0 var(--color-shadow);
  --shadow-hover: 0 8px 32px 0 var(--color-shadow);
  --z-header: 100;
  --z-mobile-menu: 200;
  --z-cookie: 300;
}

html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}

body {
  background: var(--color-bg);
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
  min-height: 100vh;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-secondary);
  margin-top: 0;
  margin-bottom: 0.7em;
  letter-spacing: 0.01em;
  font-weight: 700;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
  text-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
h2 {
  font-size: 1.6rem;
  line-height: 1.2;
}
h3 {
  font-size: 1.2rem;
  font-weight: 600;
}
h4, h5, h6 {
  font-size: 1rem;
  font-weight: 500;
}
p, ul, ol, blockquote, table {
  margin-top: 0;
  margin-bottom: 1.2em;
}
strong {
  color: var(--color-secondary);
  font-weight: 600;
}
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: #fff;
  text-decoration: underline;
}

/* ====== LAYOUT CONTAINERS ====== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.content-wrapper {
  background: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 40px 24px;
  margin-bottom: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* ====== FLEXBOX PATTERNS ====== */
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 260px;
  flex: 1 1 300px;
  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;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  flex: 1 1 320px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* ====== HEADER & NAVIGATION ====== */
header {
  background: linear-gradient(90deg, #181C22 80%, #232A33 100%);
  box-shadow: 0 2px 12px 0 rgba(34,44,58,0.10);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 72px;
}
.logo-link img {
  height: 44px;
  width: auto;
  display: block;
  filter: grayscale(0.2) contrast(1.1) drop-shadow(0 2px 8px rgba(0,0,0,0.10));
}
.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  font-size: 1rem;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}

/* ====== MOBILE NAVIGATION ====== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-secondary);
  font-size: 2rem;
  cursor: pointer;
  margin-left: 16px;
  transition: color var(--transition);
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  color: #fff;
}
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: linear-gradient(120deg, #181C22 90%, #232A33 100%);
  z-index: var(--z-mobile-menu);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  box-shadow: 0 0 32px 0 rgba(34,44,58,0.25);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  align-self: flex-end;
  margin: 24px 24px 0 0;
  background: none;
  border: none;
  color: var(--color-secondary);
  font-size: 2.2rem;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: #fff;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 48px 0 0 40px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-accent);
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 8px 0;
  border-left: 4px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-secondary);
  border-left: 4px solid var(--color-secondary);
}

/* ====== HERO & CTA ====== */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 36px;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, var(--color-secondary) 80%, #bfa05e 100%);
  color: var(--color-primary);
  box-shadow: 0 2px 12px 0 rgba(214,184,122,0.10);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 10px;
  margin-bottom: 10px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.cta.primary:hover, .cta.primary:focus {
  background: linear-gradient(90deg, #bfa05e 80%, var(--color-secondary) 100%);
  color: #fff;
  box-shadow: 0 4px 24px 0 rgba(214,184,122,0.18);
  transform: translateY(-2px) scale(1.03);
}

/* ====== FEATURE GRID ====== */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
}
.feature-grid > div {
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 2px 10px 0 rgba(34,44,58,0.10);
  padding: 28px 22px;
  flex: 1 1 260px;
  min-width: 220px;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.feature-grid > div:hover {
  border-color: var(--color-secondary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}

/* ====== GALLERY ====== */
.gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 20px;
  justify-content: flex-start;
}
.gallery > div {
  background: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: box-shadow var(--transition), transform var(--transition);
}
.gallery > div:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px) scale(1.01);
}
.gallery img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 2px solid var(--color-secondary);
  background: #222;
}
.gallery p {
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  margin: 16px 0 12px 0;
  text-align: center;
}

/* ====== TABLES (COMPARISON) ====== */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 10px 0 rgba(34,44,58,0.10);
}
.comparison-table th, .comparison-table td {
  padding: 16px 12px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-body);
}
.comparison-table th {
  background: var(--color-bg);
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-weight: 700;
}
.comparison-table tr:last-child td {
  border-bottom: none;
}

/* ====== CONTACT & SOCIAL ====== */
.contact-info, .opening-hours, .map, .social-links {
  margin-bottom: 20px;
}
.social-links ul {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.social-links a {
  color: var(--color-secondary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  transition: color var(--transition);
}
.social-links a:hover, .social-links a:focus {
  color: #fff;
}

/* ====== FOOTER ====== */
footer {
  background: linear-gradient(90deg, #181C22 80%, #232A33 100%);
  border-top: 2px solid var(--color-border);
  padding: 0;
  margin-top: 60px;
}
.footer-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
  gap: 20px;
}
.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  color: var(--color-metal);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-secondary);
}
.footer-contact {
  color: var(--color-metal);
  font-size: 0.95rem;
  font-family: var(--font-body);
}

/* ====== COOKIE CONSENT BANNER ====== */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-cookie);
  background: linear-gradient(90deg, #232A33 80%, #181C22 100%);
  color: var(--color-accent);
  box-shadow: 0 -2px 24px 0 rgba(34,44,58,0.18);
  padding: 28px 20px 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  transition: transform 0.4s cubic-bezier(.4,0,.2,1), opacity 0.3s;
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}
.cookie-banner.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}
.cookie-banner p {
  margin: 0;
  font-size: 1rem;
  color: var(--color-accent);
}
.cookie-banner .cookie-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: var(--radius);
  border: none;
  padding: 10px 28px;
  margin: 0;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px 0 rgba(214,184,122,0.10);
}
.cookie-btn.accept {
  background: var(--color-secondary);
  color: var(--color-primary);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: #bfa05e;
  color: #fff;
}
.cookie-btn.reject {
  background: #353C45;
  color: var(--color-accent);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-error);
  color: #fff;
}
.cookie-btn.settings {
  background: transparent;
  color: var(--color-secondary);
  border: 1.5px solid var(--color-secondary);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* ====== COOKIE MODAL ====== */
.cookie-modal-overlay {
  position: fixed;
  z-index: calc(var(--z-cookie) + 1);
  left: 0; top: 0; right: 0; bottom: 0;
  background: rgba(24,28,34,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cookie-modal-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: var(--color-bg-light);
  color: var(--color-accent);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 40px 0 rgba(34,44,58,0.25);
  padding: 36px 28px 28px 28px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 22px;
  animation: cookieModalIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { transform: translateY(40px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.cookie-modal h2 {
  color: var(--color-secondary);
  font-size: 1.3rem;
  margin-bottom: 8px;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-accent);
}
.cookie-modal .cookie-toggle {
  appearance: none;
  width: 38px;
  height: 22px;
  background: #353C45;
  border-radius: 12px;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background var(--transition);
}
.cookie-modal .cookie-toggle:checked {
  background: var(--color-secondary);
}
.cookie-modal .cookie-toggle:before {
  content: '';
  position: absolute;
  left: 4px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: #fff;
  border-radius: 50%;
  transition: left var(--transition);
}
.cookie-modal .cookie-toggle:checked:before {
  left: 18px;
}
.cookie-modal .cookie-category.essential label {
  color: var(--color-secondary);
  font-weight: 600;
}
.cookie-modal .cookie-category.essential .cookie-toggle {
  opacity: 0.5;
  pointer-events: none;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 16px;
  margin-top: 10px;
}
.cookie-modal .cookie-btn {
  min-width: 120px;
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 1024px) {
  .container, .header-container, .footer-container {
    max-width: 100vw;
    padding-left: 12px;
    padding-right: 12px;
  }
  .main-nav {
    gap: 18px;
  }
  .footer-nav {
    gap: 14px;
  }
}
@media (max-width: 900px) {
  .feature-grid, .gallery, .card-container, .content-grid {
    gap: 16px;
  }
  .feature-grid > div, .gallery > div, .card {
    min-width: 180px;
    max-width: 100%;
  }
}
@media (max-width: 768px) {
  .header-container {
    height: 60px;
    padding: 0 10px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .container, .footer-container {
    padding-left: 8px;
    padding-right: 8px;
  }
  .content-wrapper {
    padding: 24px 10px;
    margin-bottom: 24px;
  }
  .section {
    padding: 24px 8px;
    margin-bottom: 36px;
  }
  .feature-grid, .gallery, .card-container, .content-grid {
    flex-direction: column;
    gap: 16px;
  }
  .feature-grid > div, .gallery > div, .card {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }
  .footer-container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 18px 8px;
  }
  .footer-nav {
    gap: 10px;
  }
  .cookie-modal {
    padding: 20px 8px 16px 8px;
    min-width: 0;
    width: 98vw;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.35rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .cta {
    font-size: 1rem;
    padding: 10px 18px;
  }
  .cookie-banner {
    padding: 18px 6px 14px 6px;
  }
}

/* ====== UTILITY CLASSES ====== */
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-20 { margin-top: 20px !important; }
.mb-20 { margin-bottom: 20px !important; }
.text-center { text-align: center !important; }

/* ====== MICRO-INTERACTIONS ====== */
button, .cta, .cookie-btn {
  outline: none;
}
button:focus-visible, .cta:focus-visible, .cookie-btn:focus-visible {
  box-shadow: 0 0 0 2px var(--color-secondary), 0 2px 12px 0 rgba(214,184,122,0.10);
}

/* ====== SCROLLBAR ====== */
::-webkit-scrollbar {
  width: 10px;
  background: #232A33;
}
::-webkit-scrollbar-thumb {
  background: #353C45;
  border-radius: 8px;
}

/* ====== FORM ELEMENTS ====== */
input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
  border-radius: var(--radius);
  border: 1.5px solid var(--color-border);
  background: var(--color-bg-light);
  color: var(--color-accent);
  padding: 10px 14px;
  margin-bottom: 18px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 2px var(--color-secondary);
}

/* ====== LISTS ====== */
ul, ol {
  padding-left: 22px;
}
li {
  margin-bottom: 8px;
}

/* ====== BLOCKQUOTE ====== */
blockquote {
  border-left: 4px solid var(--color-secondary);
  padding-left: 18px;
  color: var(--color-primary);
  font-style: italic;
  background: #f2f2f2;
  border-radius: 0 8px 8px 0;
  margin: 0 0 10px 0;
}

/* ====== MISC ====== */
hr {
  border: none;
  border-top: 1.5px solid var(--color-border);
  margin: 32px 0;
}

/* ====== PREVENT OVERLAPPING ====== */
.section, .content-wrapper, .card, .feature-grid > div, .gallery > div, .testimonial-card {
  margin-bottom: 20px;
}

/* ====== Z-INDEX LAYERS ====== */
header { z-index: var(--z-header); }
.mobile-menu { z-index: var(--z-mobile-menu); }
.cookie-banner, .cookie-modal-overlay { z-index: var(--z-cookie); }

/* ====== INDUSTRIAL MODERN ACCENTS ====== */
.card, .feature-grid > div, .gallery > div {
  border: 1.5px solid var(--color-border);
  box-shadow: var(--shadow-card);
}
.card:before, .feature-grid > div:before, .gallery > div:before {
  content: '';
  display: block;
  position: absolute;
  top: -8px; left: 20px;
  width: 40px; height: 4px;
  background: linear-gradient(90deg, #bfa05e 60%, #8A8D91 100%);
  border-radius: 2px;
  opacity: 0.18;
  pointer-events: none;
}

/* ====== ACCESSIBILITY ====== */
@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after {
    transition: none !important;
    animation: none !important;
  }
}