/* ---------------------------------------------
   Luxury Premium Brand CSS for GrünRaum Hannover
   ---------------------------------------------
   - Modern, luxury, premium, sophisticated
   - Gold accents, premium fonts, refined details
   - Responsive, mobile-first, flexbox only
   - No CSS Grid or Columns
   - Includes mobile menu & cookie consent
-----------------------------------------------*/

/* 1. FONT IMPORTS */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700&family=Open+Sans:wght@400;600&display=swap');

:root {
  /* Brand Colors */
  --color-primary: #28543C;
  --color-secondary: #A1C785;
  --color-accent: #F6F6F6;
  --color-gold: #C9A14A;
  --color-gold-dark: #A88A3C;
  --color-dark: #1A2B22;
  --color-white: #fff;
  --color-grey: #E5E5E5;
  --color-grey-dark: #888;
  --color-shadow: rgba(40, 84, 60, 0.08);
  --color-shadow-strong: rgba(40, 84, 60, 0.16);
  /* Typography */
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;
  /* Spacing */
  --section-margin: 60px;
  --section-padding: 40px 20px;
  --container-max: 1200px;
  --radius: 18px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(.4,0,.2,1);
  --shadow: 0 4px 24px var(--color-shadow);
  --shadow-strong: 0 8px 32px var(--color-shadow-strong);
}

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-dark);
  background: var(--color-accent);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

img {
  max-width: 100%;
  border-radius: var(--radius-sm);
  display: block;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ---------------------------------------------
   HEADER & NAVIGATION
-----------------------------------------------*/
header {
  background: var(--color-white);
  box-shadow: 0 2px 16px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
}
.main-nav a {
  color: var(--color-primary);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
.main-nav a:not(.button-primary):hover,
.main-nav a:not(.button-primary):focus {
  background: var(--color-accent);
  color: var(--color-gold);
}
.main-nav img {
  height: 38px;
  margin-right: 18px;
  vertical-align: middle;
}
.button-primary {
  background: linear-gradient(90deg, var(--color-gold) 60%, var(--color-gold-dark) 100%);
  color: var(--color-dark);
  font-family: var(--font-display);
  font-weight: 700;
  padding: 10px 28px;
  border-radius: var(--radius);
  border: none;
  box-shadow: 0 2px 8px var(--color-shadow);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  position: relative;
  cursor: pointer;
  outline: none;
}
.button-primary:hover, .button-primary:focus {
  background: linear-gradient(90deg, var(--color-gold-dark) 60%, var(--color-gold) 100%);
  color: var(--color-primary);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
}

/* Hamburger for mobile */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: auto;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
  z-index: 120;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  background: var(--color-accent);
}

/* Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(40,84,60,0.98);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 0;
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(.4,0,.2,1);
  pointer-events: none;
  opacity: 0;
}
.mobile-menu.open {
  transform: translateX(0);
  pointer-events: auto;
  opacity: 1;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-gold);
  font-size: 2.2rem;
  margin: 24px 32px 0 0;
  cursor: pointer;
  align-self: flex-end;
  transition: color var(--transition);
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  color: var(--color-white);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 24px;
  margin: 60px 40px 0 0;
}
.mobile-nav a {
  color: var(--color-gold);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid rgba(201,161,74,0.12);
  width: 100%;
  text-align: right;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-white);
  border-bottom: 1px solid var(--color-gold);
}

/* Hide main nav on mobile, show hamburger */
@media (max-width: 1024px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}
@media (min-width: 1025px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ---------------------------------------------
   SECTIONS & LAYOUTS
-----------------------------------------------*/
section {
  margin-bottom: var(--section-margin);
  padding: var(--section-padding);
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}
section:last-child {
  margin-bottom: 0;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 0;
}

/* Flex containers for cards, features, etc. */
.card-container,
.card-grid,
.feature-grid,
.project-gallery-grid,
.highlighted-projects,
.inspiration-gallery,
.blog-post-grid,
.team-member-profiles,
.trend-articles {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 0;
}

.card,
.feature-grid > div,
.project-gallery-grid > div,
.highlighted-projects > div,
.inspiration-gallery > div,
.blog-post-grid > div,
.team-member-profiles > div,
.trend-articles > div {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 28px 22px;
  margin-bottom: 20px;
  flex: 1 1 260px;
  min-width: 240px;
  max-width: 100%;
  position: relative;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover,
.feature-grid > div:hover,
.project-gallery-grid > div:hover,
.highlighted-projects > div:hover,
.inspiration-gallery > div:hover,
.blog-post-grid > div:hover,
.team-member-profiles > div:hover,
.trend-articles > div:hover {
  box-shadow: var(--shadow-strong);
  transform: translateY(-4px) scale(1.015);
}

/* Content grid for two-column layouts */
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

/* Text-image section */
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.text-image-section > div {
  flex: 1 1 320px;
  min-width: 240px;
}

/* Testimonial cards */
.testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 28px;
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  min-width: 260px;
  max-width: 420px;
  border-left: 5px solid var(--color-gold);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-strong);
  border-left: 5px solid var(--color-gold-dark);
}
.testimonial-card p {
  color: var(--color-dark);
  font-size: 1.08rem;
  font-style: italic;
  margin: 0 0 6px 0;
}
.testimonial-card span {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.98rem;
}

/* Feature item (for lists) */
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* Project gallery slider (index) */
.project-gallery-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.project-gallery-slider > div {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  margin-bottom: 20px;
  min-width: 220px;
  flex: 1 1 260px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.project-gallery-slider > div:hover {
  box-shadow: var(--shadow-strong);
  transform: translateY(-3px) scale(1.01);
}

/* Categories filter (blog) */
.categories-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}
.categories-filter span {
  font-weight: 600;
  color: var(--color-primary);
}
.categories-filter a {
  color: var(--color-gold);
  text-decoration: none;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.categories-filter a:hover, .categories-filter a:focus {
  background: var(--color-gold);
  color: var(--color-white);
}

/* Map block (contact) */
.map {
  background: var(--color-grey);
  border-radius: var(--radius-sm);
  padding: 18px 14px;
  margin-top: 16px;
  color: var(--color-dark);
  font-size: 1rem;
}

/* ---------------------------------------------
   TYPOGRAPHY
-----------------------------------------------*/
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin: 0 0 8px 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.4rem;
  line-height: 1.15;
  margin-bottom: 12px;
}
h2 {
  font-size: 1.7rem;
  line-height: 1.2;
  margin-bottom: 10px;
}
h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}
h4 {
  font-size: 1.08rem;
  font-weight: 600;
  margin-bottom: 6px;
}
p, ul, ol {
  font-family: var(--font-body);
  color: var(--color-dark);
  font-size: 1.05rem;
  margin-bottom: 10px;
}
ul, ol {
  padding-left: 22px;
  margin-bottom: 14px;
}
ul li, ol li {
  margin-bottom: 6px;
  line-height: 1.6;
}
strong {
  color: var(--color-primary);
  font-weight: 700;
}

/* ---------------------------------------------
   BUTTONS & LINKS
-----------------------------------------------*/
.button-primary,
.button-secondary {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  border-radius: var(--radius);
  padding: 10px 28px;
  text-decoration: none;
  cursor: pointer;
  border: none;
  outline: none;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.button-secondary {
  background: var(--color-white);
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.button-secondary:hover, .button-secondary:focus {
  background: var(--color-gold);
  color: var(--color-white);
}
a {
  color: var(--color-gold);
  text-decoration: underline;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-primary);
  text-decoration: none;
}

/* ---------------------------------------------
   FOOTER
-----------------------------------------------*/
footer {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 40px 0 0 0;
  border-top-left-radius: var(--radius);
  border-top-right-radius: var(--radius);
  box-shadow: 0 -2px 16px var(--color-shadow);
  margin-top: 60px;
}
.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 18px;
}
.footer-menu a {
  color: var(--color-gold);
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  transition: color var(--transition);
}
.footer-menu a:hover, .footer-menu a:focus {
  color: var(--color-white);
}
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  justify-content: center;
  font-size: 1rem;
  margin-bottom: 14px;
}
.footer-contact img {
  height: 32px;
  margin-right: 10px;
}
.footer-legal {
  text-align: center;
  color: var(--color-gold);
  font-size: 0.98rem;
  padding: 12px 0 24px 0;
}

/* ---------------------------------------------
   COOKIE CONSENT BANNER & MODAL
-----------------------------------------------*/
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-white);
  color: var(--color-dark);
  box-shadow: 0 -2px 24px var(--color-shadow-strong);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 28px 16px 20px 16px;
  border-top: 4px solid var(--color-gold);
  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;
  font-size: 1.05rem;
  color: var(--color-dark);
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.cookie-banner button {
  font-family: var(--font-display);
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 8px 22px;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.cookie-banner .accept {
  background: linear-gradient(90deg, var(--color-gold) 60%, var(--color-gold-dark) 100%);
  color: var(--color-dark);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.cookie-banner .accept:hover, .cookie-banner .accept:focus {
  background: linear-gradient(90deg, var(--color-gold-dark) 60%, var(--color-gold) 100%);
  color: var(--color-primary);
}
.cookie-banner .reject {
  background: var(--color-white);
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-gold);
  color: var(--color-white);
}
.cookie-banner .settings {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 2px solid 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;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(40,84,60,0.75);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: cookieModalIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal {
  background: var(--color-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-strong);
  padding: 38px 28px 28px 28px;
  max-width: 420px;
  width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  animation: cookieModalPop 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalPop {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.cookie-modal h2 {
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: 10px;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.cookie-modal .cookie-category label {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--color-dark);
}
.cookie-modal .cookie-toggle {
  appearance: none;
  width: 38px;
  height: 22px;
  background: var(--color-grey);
  border-radius: 12px;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background var(--transition);
}
.cookie-modal .cookie-toggle:checked {
  background: var(--color-gold);
}
.cookie-modal .cookie-toggle:before {
  content: '';
  position: absolute;
  left: 3px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--color-white);
  border-radius: 50%;
  transition: transform var(--transition);
}
.cookie-modal .cookie-toggle:checked:before {
  transform: translateX(16px);
}
.cookie-modal .cookie-category.essential label {
  color: var(--color-grey-dark);
  font-style: italic;
}
.cookie-modal .cookie-category.essential .cookie-toggle {
  background: var(--color-gold-dark);
  cursor: not-allowed;
}
.cookie-modal .cookie-category.essential .cookie-toggle:before {
  background: var(--color-gold);
}
.cookie-modal .modal-actions {
  display: flex;
  gap: 14px;
  justify-content: flex-end;
  margin-top: 10px;
}
.cookie-modal .close-modal {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  color: var(--color-gold);
  font-size: 1.6rem;
  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: 98vw;
    padding: 0 10px;
  }
  section {
    padding: 32px 8px;
  }
  .main-nav {
    font-size: 1rem;
    gap: 16px;
  }
}
@media (max-width: 900px) {
  .feature-grid,
  .project-gallery-grid,
  .highlighted-projects,
  .inspiration-gallery,
  .blog-post-grid,
  .team-member-profiles,
  .trend-articles,
  .project-gallery-slider,
  .testimonial-slider {
    gap: 16px;
  }
  .card,
  .feature-grid > div,
  .project-gallery-grid > div,
  .highlighted-projects > div,
  .inspiration-gallery > div,
  .blog-post-grid > div,
  .team-member-profiles > div,
  .trend-articles > div,
  .project-gallery-slider > div {
    padding: 18px 10px;
    min-width: 180px;
  }
}
@media (max-width: 768px) {
  section {
    margin-bottom: 36px;
    padding: 22px 4vw;
  }
  .content-wrapper {
    gap: 14px;
  }
  .feature-grid,
  .project-gallery-grid,
  .highlighted-projects,
  .inspiration-gallery,
  .blog-post-grid,
  .team-member-profiles,
  .trend-articles,
  .project-gallery-slider,
  .testimonial-slider {
    flex-direction: column;
    gap: 14px;
  }
  .card,
  .feature-grid > div,
  .project-gallery-grid > div,
  .highlighted-projects > div,
  .inspiration-gallery > div,
  .blog-post-grid > div,
  .team-member-profiles > div,
  .trend-articles > div,
  .project-gallery-slider > div {
    min-width: 0;
    width: 100%;
    padding: 14px 8px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .footer-menu {
    gap: 10px;
    font-size: 0.98rem;
  }
  .footer-contact {
    flex-direction: column;
    gap: 8px;
    font-size: 0.98rem;
  }
  .footer-contact img {
    margin-right: 0;
    margin-bottom: 6px;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.45rem;
  }
  h2 {
    font-size: 1.15rem;
  }
  .button-primary, .button-secondary {
    padding: 8px 12px;
    font-size: 1rem;
  }
  .cookie-modal {
    padding: 18px 6px 18px 6px;
  }
}

/* ---------------------------------------------
   MICRO-INTERACTIONS & EFFECTS
-----------------------------------------------*/
.button-primary, .button-secondary, .cookie-banner button {
  box-shadow: 0 2px 8px var(--color-shadow);
}
.button-primary:active, .button-secondary:active, .cookie-banner button:active {
  transform: scale(0.98);
}
.card, .feature-grid > div, .project-gallery-grid > div, .highlighted-projects > div, .inspiration-gallery > div, .blog-post-grid > div, .team-member-profiles > div, .trend-articles > div, .testimonial-card {
  transition: box-shadow var(--transition), transform var(--transition);
}

/* ---------------------------------------------
   UTILITY CLASSES
-----------------------------------------------*/
.hide {
  display: none !important;
}

/* ---------------------------------------------
   ACCESSIBILITY
-----------------------------------------------*/
:focus {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* ---------------------------------------------
   END OF CSS
-----------------------------------------------*/