/* ---------------------------------------------
   Luxury Premium CSS for AquaGarten Frankfurt
   Responsive, Flexbox-only, No CSS Grid/Columns
   Brand: Modern, trustworthy, nature-inspired
   --------------------------------------------- */

@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&display=swap');

:root {
  --color-primary: #206A5D;
  --color-secondary: #F4F9F4;
  --color-accent: #14507A;
  --color-gold: #C9A14A;
  --color-gold-light: #F6E7C1;
  --color-dark: #222;
  --color-light: #fff;
  --color-grey: #eaeaea;
  --color-grey-dark: #888;
  --font-display: 'Montserrat', Arial, sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
  --shadow-card: 0 4px 24px 0 rgba(32,106,93,0.08), 0 1.5px 6px 0 rgba(201,161,74,0.08);
  --radius: 18px;
  --transition: all 0.25s cubic-bezier(.4,0,.2,1);
  --section-spacing: 60px;
  --container-max: 1200px;
  --gap: 24px;
  --gap-small: 20px;
}

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-secondary);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

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

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

.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin: 0 0 16px 0;
  font-weight: 700;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.4rem;
  line-height: 1.15;
}
h2 {
  font-size: 2rem;
  line-height: 1.2;
}
h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-dark);
}
h4, h5, h6 {
  font-size: 1.1rem;
  font-weight: 600;
}
p, ul, ol {
  margin: 0 0 1.2em 0;
  color: var(--color-dark);
  font-size: 1rem;
}
strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* Links */
a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}
a:hover, a:focus {
  color: var(--color-gold);
  text-decoration: underline;
}

/* Buttons */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  color: var(--color-dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 36px;
  border: none;
  border-radius: 32px;
  box-shadow: 0 2px 12px 0 rgba(201,161,74,0.10);
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.04em;
  margin-top: 10px;
  outline: none;
  position: relative;
  z-index: 1;
}
.cta-btn:hover, .cta-btn:focus {
  background: linear-gradient(90deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  color: var(--color-primary);
  box-shadow: 0 6px 24px 0 rgba(201,161,74,0.18);
  text-decoration: none;
}

/* Header & Navigation */
header {
  background: var(--color-light);
  box-shadow: 0 2px 12px 0 rgba(32,106,93,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  min-height: 80px;
}
header img {
  height: 48px;
  width: auto;
  margin-right: 24px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
  margin-left: 24px;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
  font-size: 1rem;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  position: relative;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 24px;
  transition: var(--transition);
  z-index: 110;
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-gold);
}

/* Mobile Menu Overlay */
.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(244,249,244,0.98);
  box-shadow: 0 8px 32px 0 rgba(32,106,93,0.10);
  z-index: 9999;
  transform: translateX(-100%);
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  padding: 0 0 0 0;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  font-size: 2.2rem;
  color: var(--color-primary);
  align-self: flex-end;
  margin: 24px 32px 0 0;
  cursor: pointer;
  transition: var(--transition);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  width: 100%;
  align-items: flex-start;
  margin: 40px 0 0 40px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.3rem;
  color: var(--color-primary);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
}

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

/* ---------------------------------------------
   Section, Card, and Flex Layouts
   --------------------------------------------- */
.section {
  margin-bottom: var(--section-spacing);
  padding: 40px 20px;
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 32px 24px;
  min-width: 260px;
  flex: 1 1 320px;
  transition: var(--transition);
}
.card:hover {
  box-shadow: 0 8px 32px 0 rgba(201,161,74,0.18);
  border: 1.5px solid var(--color-gold);
}

.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: 260px;
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-secondary);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px 0 rgba(32,106,93,0.06);
  margin-bottom: 20px;
  border-left: 4px solid var(--color-gold);
  transition: var(--transition);
}
.testimonial-card p {
  color: var(--color-dark);
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 0.5em;
}
.testimonial-card span {
  color: var(--color-primary);
  font-weight: 600;
  font-size: 1rem;
}
.testimonial-card:hover {
  box-shadow: 0 8px 32px 0 rgba(201,161,74,0.14);
  border-left: 4px solid var(--color-gold-light);
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 24px 20px;
  margin-bottom: 20px;
}

/* Feature Grid (used for features, gallery, values, etc.) */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  justify-content: flex-start;
}
.feature {
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 28px 22px;
  flex: 1 1 260px;
  min-width: 220px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: var(--transition);
  border: 1.5px solid transparent;
  position: relative;
}
.feature img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 16px;
}
.feature:hover {
  border: 1.5px solid var(--color-gold);
  box-shadow: 0 8px 32px 0 rgba(201,161,74,0.14);
}
.feature h3 {
  color: var(--color-primary);
  font-size: 1.15rem;
  margin-bottom: 8px;
}
.feature p {
  color: var(--color-dark);
  font-size: 1rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(120deg, var(--color-secondary) 60%, var(--color-gold-light) 100%);
  padding: 60px 0 40px 0;
  margin-bottom: var(--section-spacing);
  border-bottom: 2px solid var(--color-gold-light);
}
.hero .content-wrapper {
  align-items: flex-start;
  gap: 24px;
}
.hero h1 {
  color: var(--color-primary);
  font-size: 2.6rem;
  margin-bottom: 12px;
}
.hero p {
  color: var(--color-dark);
  font-size: 1.2rem;
  margin-bottom: 18px;
}

/* Testimonials Slider (index) */
.testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 20px;
}
.testimonial-slider .testimonial-card {
  flex: 1 1 320px;
  min-width: 260px;
}

/* FAQ Accordion */
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-item {
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 22px 18px;
  margin-bottom: 10px;
  transition: var(--transition);
}
.faq-item h3 {
  font-size: 1.1rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.faq-item p {
  color: var(--color-dark);
  margin-bottom: 0;
}

/* Legal/Policy Sections */
.legal {
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 40px 24px;
  margin-bottom: var(--section-spacing);
}

/* CTA Section */
.cta {
  background: linear-gradient(90deg, var(--color-gold-light) 0%, var(--color-secondary) 100%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 40px 20px;
  margin-bottom: var(--section-spacing);
  text-align: center;
}
.cta h2 {
  color: var(--color-primary);
  margin-bottom: 18px;
}

/* Footer */
footer {
  background: var(--color-primary);
  color: var(--color-light);
  padding: 40px 0 0 0;
  margin-top: 60px;
}
footer .container {
  flex-direction: column;
  gap: 32px;
}
.footer-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
  margin-bottom: 18px;
}
.footer-menu a {
  color: var(--color-gold);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}
.footer-menu a:hover, .footer-menu a:focus {
  color: var(--color-light);
  text-decoration: underline;
}
.footer-info {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 32px;
  justify-content: center;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-info img {
  height: 48px;
  width: auto;
  margin-right: 18px;
}
.footer-info p {
  color: var(--color-light);
  font-size: 1rem;
  margin: 0;
}

/* ---------------------------------------------
   Cookie Consent Banner & Modal
   --------------------------------------------- */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100vw;
  background: var(--color-light);
  box-shadow: 0 -2px 16px 0 rgba(32,106,93,0.10);
  border-top: 2px solid var(--color-gold-light);
  z-index: 99999;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 24px 32px;
  gap: 24px;
  animation: cookie-slide-in 0.6s cubic-bezier(.4,0,.2,1);
}
@keyframes cookie-slide-in {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner p {
  color: var(--color-dark);
  font-size: 1rem;
  margin: 0;
  flex: 1 1 320px;
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: 24px;
  padding: 10px 24px;
  cursor: pointer;
  transition: var(--transition);
  margin: 0;
}
.cookie-btn.accept {
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-light) 100%);
  color: var(--color-dark);
}
.cookie-btn.accept:hover {
  background: linear-gradient(90deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
  color: var(--color-primary);
}
.cookie-btn.reject {
  background: var(--color-grey);
  color: var(--color-dark);
}
.cookie-btn.reject:hover {
  background: var(--color-gold-light);
  color: var(--color-primary);
}
.cookie-btn.settings {
  background: var(--color-light);
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.cookie-btn.settings:hover {
  background: var(--color-gold-light);
  color: var(--color-primary);
  border-color: var(--color-gold);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(32,106,93,0.18);
  z-index: 100000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}
.cookie-modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal {
  background: var(--color-light);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px 0 rgba(32,106,93,0.12);
  padding: 36px 32px 28px 32px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: cookie-modal-in 0.5s cubic-bezier(.4,0,.2,1);
}
@keyframes cookie-modal-in {
  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: 8px;
}
.cookie-modal .cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-dark);
  font-weight: 600;
}
.cookie-modal .cookie-toggle {
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: var(--color-grey);
  position: relative;
  cursor: pointer;
  transition: var(--transition);
  margin-right: 8px;
}
.cookie-modal .cookie-toggle input {
  display: none;
}
.cookie-modal .cookie-toggle .slider {
  position: absolute;
  left: 2px;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-gold);
  transition: var(--transition);
}
.cookie-modal .cookie-toggle input:checked + .slider {
  left: 22px;
  background: var(--color-primary);
}
.cookie-modal .cookie-category.essential label {
  color: var(--color-grey-dark);
  font-style: italic;
}
.cookie-modal .cookie-category.essential .cookie-toggle {
  background: var(--color-grey-dark);
  cursor: not-allowed;
}
.cookie-modal .cookie-category.essential .slider {
  background: var(--color-grey-dark);
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  justify-content: flex-end;
}
.cookie-modal .cookie-btn {
  min-width: 120px;
}
.cookie-modal .cookie-modal-close {
  position: absolute;
  top: 18px;
  right: 24px;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--color-primary);
  cursor: pointer;
  transition: var(--transition);
}

/* ---------------------------------------------
   Responsive Design
   --------------------------------------------- */
@media (max-width: 1024px) {
  .container {
    max-width: 98vw;
    padding: 0 10px;
  }
  .footer-info {
    flex-direction: column;
    align-items: center;
    gap: 18px;
    text-align: center;
  }
}
@media (max-width: 900px) {
  .feature-grid {
    gap: 16px;
  }
  .card-container {
    gap: 16px;
  }
  .testimonial-slider {
    gap: 16px;
  }
}
@media (max-width: 768px) {
  .section, .cta, .legal {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .hero {
    padding: 36px 0 24px 0;
    margin-bottom: 36px;
  }
  .content-wrapper {
    gap: 18px;
  }
  .feature-grid, .card-container, .testimonial-slider {
    flex-direction: column;
    gap: 18px;
  }
  .feature, .card, .testimonial-card {
    min-width: 0;
    width: 100%;
    padding: 18px 10px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .footer-menu {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 12px;
  }
  .footer-info {
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 10px;
  }
  .cookie-banner .cookie-actions {
    flex-direction: column;
    gap: 10px;
    width: 100%;
  }
  .cookie-modal {
    padding: 22px 8px 18px 8px;
    min-width: 0;
    width: 98vw;
  }
}
@media (max-width: 480px) {
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.2rem; }
  .cta-btn {
    font-size: 1rem;
    padding: 10px 18px;
  }
  .cookie-modal {
    padding: 12px 2vw 10px 2vw;
  }
}

/* ---------------------------------------------
   Micro-interactions & Transitions
   --------------------------------------------- */
.card, .feature, .testimonial-card, .faq-item, .cta-btn, .cookie-btn, .main-nav a, .mobile-nav a {
  transition: var(--transition);
}
.card:active, .feature:active, .testimonial-card:active {
  transform: translateY(2px) scale(0.98);
}
.cta-btn:active, .cookie-btn:active {
  transform: scale(0.97);
}

/* ---------------------------------------------
   Utility Classes
   --------------------------------------------- */
.hide {
  display: none !important;
}

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

/* ---------------------------------------------
   End of CSS
   --------------------------------------------- */