/* =====================
   KlimaPro Düsseldorf – Luxury Premium CSS
   ===================== */

/* 1. Font Imports (Google Fonts) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Roboto:wght@400;500&display=swap');

:root {
  --color-primary: #184C73;
  --color-secondary: #5BC2E7;
  --color-accent: #F2F6FA;
  --color-gold: #C9A14A;
  --color-gold-light: #F6E7C1;
  --color-dark: #1A232E;
  --color-body: #222831;
  --color-white: #fff;
  --color-grey: #E5E9EF;
  --color-grey-dark: #B0B8C1;
  --color-shadow: rgba(24, 76, 115, 0.08);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-card: 0 4px 24px var(--color-shadow);
  --shadow-hover: 0 8px 32px rgba(24,76,115,0.13);
  --section-spacing: 60px;
  --section-padding: 40px 20px;
  --gap-lg: 30px;
  --gap: 24px;
  --gap-md: 20px;
  --gap-sm: 15px;
}

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

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

/* =====================
   Typography
   ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 700;
  margin-top: 0;
  margin-bottom: 0.7em;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.2rem;
  line-height: 1.15;
  margin-bottom: 0.5em;
}
h2 {
  font-size: 1.6rem;
  margin-bottom: 0.6em;
}
h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.5em;
}
h4 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4em;
}
p, ul, ol {
  margin-top: 0;
  margin-bottom: 1.1em;
}
ul, ol {
  padding-left: 1.3em;
}
strong {
  font-weight: 600;
}
a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-gold);
  text-decoration: underline;
}

/* =====================
   Layout Containers
   ===================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--gap-md);
  align-items: flex-start;
}

.section {
  margin-bottom: var(--section-spacing);
  padding: var(--section-padding);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

/* =====================
   Header & Navigation
   ===================== */
header {
  background: var(--color-white);
  box-shadow: 0 2px 12px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap-lg);
  padding: 18px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.header-bar img {
  height: 38px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  gap: var(--gap-md);
  align-items: center;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--color-primary);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--color-gold-light);
  color: var(--color-gold);
}
.cta-button {
  font-family: var(--font-display);
  font-weight: 700;
  background: linear-gradient(90deg, var(--color-gold) 60%, var(--color-secondary) 100%);
  color: var(--color-white);
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 12px var(--color-shadow);
  cursor: pointer;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  transition: background var(--transition), box-shadow var(--transition), color var(--transition);
  outline: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.07);
  margin-left: 10px;
  display: inline-block;
}
.cta-button:hover, .cta-button:focus {
  background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-gold) 100%);
  color: var(--color-primary);
  box-shadow: 0 4px 24px var(--color-shadow);
  text-decoration: none;
}

/* =====================
   Mobile Navigation
   ===================== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 10px;
  z-index: 120;
  transition: color var(--transition);
}
.mobile-menu-toggle:focus {
  color: var(--color-gold);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(24,76,115,0.97);
  color: var(--color-white);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0;
  transform: translateX(-100%);
  transition: transform 0.35s 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-gold);
  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: 24px;
  margin: 40px 0 0 40px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-white);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: color var(--transition);
  padding: 8px 0;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-gold);
  text-decoration: underline;
}

@media (max-width: 1024px) {
  .header-bar {
    gap: var(--gap-md);
  }
  .main-nav {
    gap: var(--gap-sm);
  }
}
@media (max-width: 900px) {
  .header-bar {
    flex-wrap: wrap;
    gap: var(--gap-sm);
  }
}
@media (max-width: 768px) {
  .main-nav, .cta-button {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .header-bar {
    padding: 14px 0;
  }
}

/* =====================
   Section & Card Layouts
   ===================== */
.section {
  margin-bottom: var(--section-spacing);
  padding: var(--section-padding);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
}
.card {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 28px 22px;
  flex: 1 1 320px;
  min-width: 260px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px) scale(1.02);
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md);
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 10px var(--color-shadow);
  margin-bottom: 20px;
  border-left: 5px solid var(--color-gold);
  color: var(--color-body);
  font-size: 1.05rem;
  max-width: 500px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 4px 24px var(--color-shadow);
  border-left: 5px solid var(--color-secondary);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* Feature grid, team grid, image grid, etc. */
.feature-grid, .team-grid, .image-grid, .service-cards, .case-study-cards, .article-list, .faq-preview {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md);
  margin-top: 10px;
}
.feature-grid > div, .team-grid > div, .image-grid > div, .service-cards > div, .case-study-cards > div, .article-list > div, .faq-preview > div {
  background: var(--color-white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
  padding: 22px 18px;
  flex: 1 1 260px;
  min-width: 220px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), border-color var(--transition);
  border-left: 4px solid transparent;
}
.feature-grid > div:hover, .team-grid > div:hover, .image-grid > div:hover, .service-cards > div:hover, .case-study-cards > div:hover, .article-list > div:hover, .faq-preview > div:hover {
  box-shadow: var(--shadow-hover);
  border-left: 4px solid var(--color-gold);
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.timeline li {
  position: relative;
  padding-left: 28px;
  color: var(--color-body);
}
.timeline li:before {
  content: '';
  position: absolute;
  left: 8px;
  top: 8px;
  width: 10px;
  height: 10px;
  background: var(--color-gold);
  border-radius: 50%;
}

.faq-accordion > div {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  box-shadow: 0 1px 6px var(--color-shadow);
  margin-bottom: 20px;
  padding: 18px 16px;
  transition: box-shadow var(--transition);
}
.faq-accordion > div:hover {
  box-shadow: 0 4px 16px var(--color-shadow);
}

.contact-info {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 18px 16px;
  margin-bottom: 20px;
  box-shadow: 0 1px 6px var(--color-shadow);
}

/* =====================
   Lists, Buttons, Misc
   ===================== */
ul, ol {
  margin-bottom: 1.2em;
}
ul li, ol li {
  margin-bottom: 0.4em;
}
button, .cta-button {
  font-family: var(--font-display);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
button:focus {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* =====================
   Footer
   ===================== */
footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0;
  margin-top: 60px;
}
footer .container {
  padding-top: 40px;
  padding-bottom: 30px;
}
footer .content-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-lg);
  align-items: flex-start;
  justify-content: space-between;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav a {
  color: var(--color-gold);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  transition: color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-secondary);
}
.footer-contact {
  font-size: 0.98rem;
  color: var(--color-grey-dark);
  margin-bottom: 10px;
}
.footer-social {
  display: flex;
  gap: 18px;
  margin-bottom: 10px;
}
.footer-social a {
  color: var(--color-secondary);
  font-weight: 600;
  font-family: var(--font-display);
  font-size: 1.1rem;
  transition: color var(--transition);
}
.footer-social a:hover, .footer-social a:focus {
  color: var(--color-gold);
}
.footer-copyright {
  font-size: 0.95rem;
  color: var(--color-grey-dark);
  margin-top: 18px;
  width: 100%;
}
footer img {
  height: 32px;
  margin-bottom: 10px;
}

/* =====================
   Cookie Consent Banner
   ===================== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-white);
  color: var(--color-body);
  box-shadow: 0 -2px 16px var(--color-shadow);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  z-index: 300;
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity 0.3s var(--transition), transform 0.4s var(--transition);
}
.cookie-banner.active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.cookie-banner p {
  margin: 0 0 8px 0;
  text-align: center;
  font-size: 1.05rem;
}
.cookie-banner .cookie-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}
.cookie-banner button {
  padding: 10px 22px;
  font-size: 1rem;
  border-radius: var(--radius-sm);
  border: none;
  font-family: var(--font-display);
  font-weight: 600;
  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-gold);
  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-grey);
  color: var(--color-primary);
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-gold-light);
  color: var(--color-gold);
}
.cookie-banner .settings {
  background: var(--color-secondary);
  color: var(--color-white);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-gold);
  color: var(--color-primary);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(24,76,115,0.55);
  z-index: 400;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--transition);
}
.cookie-modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}
.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;
  position: relative;
  animation: cookieModalIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { transform: translateY(60px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.cookie-modal h2 {
  font-size: 1.3rem;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 10px;
}
.cookie-modal .cookie-category label {
  font-weight: 500;
  color: var(--color-body);
}
.cookie-modal .cookie-category input[type="checkbox"] {
  accent-color: var(--color-gold);
  width: 20px;
  height: 20px;
}
.cookie-modal .cookie-category.essential label {
  color: var(--color-gold);
}
.cookie-modal .cookie-category.essential input[type="checkbox"] {
  display: none;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  margin-top: 10px;
}
.cookie-modal .close-modal {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--color-gold);
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .close-modal:hover, .cookie-modal .close-modal:focus {
  color: var(--color-secondary);
}

/* =====================
   Responsive Design
   ===================== */
@media (max-width: 1024px) {
  .container {
    max-width: 96vw;
  }
  .content-wrapper {
    gap: var(--gap-sm);
  }
}
@media (max-width: 900px) {
  .feature-grid, .team-grid, .image-grid, .service-cards, .case-study-cards, .article-list, .faq-preview {
    gap: var(--gap-sm);
  }
}
@media (max-width: 768px) {
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  .section {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .content-wrapper {
    gap: var(--gap-sm);
  }
  .feature-grid, .team-grid, .image-grid, .service-cards, .case-study-cards, .article-list, .faq-preview {
    flex-direction: column;
    gap: var(--gap-sm);
  }
  .feature-grid > div, .team-grid > div, .image-grid > div, .service-cards > div, .case-study-cards > div, .article-list > div, .faq-preview > div {
    min-width: 0;
    width: 100%;
    padding: 16px 10px;
  }
  .testimonial-card {
    max-width: 100%;
    padding: 14px 10px;
  }
  .footer-nav, .footer-contact, .footer-social {
    margin-bottom: 12px;
  }
  footer .content-wrapper {
    flex-direction: column;
    gap: var(--gap-sm);
    align-items: flex-start;
  }
  .text-image-section {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
}
@media (max-width: 500px) {
  h1 {
    font-size: 1.3rem;
  }
  h2 {
    font-size: 1.1rem;
  }
  .cookie-modal {
    padding: 18px 6px 12px 6px;
  }
}

/* =====================
   Micro-interactions & Details
   ===================== */
.card, .feature-grid > div, .team-grid > div, .image-grid > div, .service-cards > div, .case-study-cards > div, .article-list > div, .faq-preview > div {
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
}
.card:hover, .feature-grid > div:hover, .team-grid > div:hover, .image-grid > div:hover, .service-cards > div:hover, .case-study-cards > div:hover, .article-list > div:hover, .faq-preview > div:hover {
  box-shadow: var(--shadow-hover);
  border-left: 4px solid var(--color-gold);
  transform: translateY(-2px) scale(1.01);
}
.cta-button:active {
  transform: scale(0.97);
}

/* =====================
   Utility Classes
   ===================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-gold { color: var(--color-gold); }
.bg-gold { background: var(--color-gold); color: var(--color-white); }
.bg-primary { background: var(--color-primary); color: var(--color-white); }
.bg-accent { background: var(--color-accent); }

/* =====================
   Hide elements visually
   ===================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* =====================
   Remove grid/column properties (forbidden)
   ===================== */
/* No display: grid, grid-*, column-count, columns, column-width, column-gap, break-inside anywhere */