/* ===================================================================
   RaumGestalt Köln – style.css
   Professional Corporate (blue/gray), Flexbox Only, Responsive, Accessible
   =================================================================== */

/* ==== CSS RESET & BASE NORMALIZE ==== */
html {
  box-sizing: border-box;
  font-size: 100%;
  scroll-behavior: smooth;
}
*, *::before, *::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, blockquote {
  margin: 0;
}
ul, ol {
  padding-left: 1.5em;
}
a {
  color: inherit;
  text-decoration: none;
  background: none;
  transition: color 0.2s;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
button, input, select, textarea {
  font: inherit;
  margin: 0;
  border: none;
  background: none;
  outline: none;
}
button {
  cursor: pointer;
}

/* ==== CSS VARIABLES FOR BRAND ==== */
:root {
  --color-primary: #31434F;
  --color-secondary: #A67C52;
  --color-accent: #F2F2F2;
  --color-background: #F7F9FA;
  --color-surface: #FFFFFF;
  --color-dark: #1A232A;
  --color-gray-300: #E2E6EA;
  --color-gray-500: #7F8D97;
  --color-gray-600: #5E6B75;
  --color-link: #31434F;
  --color-link-hover: #A67C52;
  --color-success: #377D6A;
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;
  --shadow-card: 0 2px 16px 0 rgba(49,67,79,0.07);
  --shadow-light: 0 1px 4px 0 rgba(49,67,79,0.05);
  --radius: 8px;
  --radius-lg: 18px;
  --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==== BASE TYPOGRAPHY ==== */
body {
  background: var(--color-background);
  color: var(--color-dark);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.15;
}
h1 { font-size: 2.5rem; margin-bottom: 16px; }
h2 { font-size: 2rem; margin-bottom: 16px; }
h3 { font-size: 1.35rem; margin-bottom: 10px; }
h4 { font-size: 1.1rem; }
.subtitle {
  color: var(--color-gray-600);
  font-size: 1.2rem;
  font-family: var(--font-body);
  margin-bottom: 18px;
}
p, li, .text-section {
  color: var(--color-dark);
  font-size: 1rem;
  font-family: var(--font-body);
  margin-bottom: 12px;
}
strong {
  font-weight: 700;
  color: var(--color-primary);
}

/* Headings within .text-section and lists */
.text-section h3 {
  font-size: 1.1rem;
  color: var(--color-secondary);
  margin-top: 18px;
  margin-bottom: 10px;
}
.text-section ul, .text-section ol {
  margin: 14px 0 18px 0;
}

/* ==== CONTAINER ==== */
.container {
  width: 100%;
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 18px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.content-wrapper {
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ==== HEADER ==== */
header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-gray-300);
  box-shadow: var(--shadow-light);
  padding: 0;
}
header .container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
  gap: 22px;
}
header img {
  height: 42px;
  width: auto;
  display: block;
}
header nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 28px;
}
header nav a {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 500;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: background var(--transition), color var(--transition);
  position: relative;
}
header nav a:hover, header nav a:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
}
.cta-primary {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1rem;
  padding: 13px 30px;
  font-weight: 600;
  margin-left: 22px;
  box-shadow: var(--shadow-card);
  transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  border: none;
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-secondary);
  color: #fff;
  box-shadow: 0 6px 36px 0 rgba(49,67,79,0.10);
  transform: translateY(-2px) scale(1.04);
}
.cta-secondary {
  background: var(--color-accent);
  color: var(--color-primary);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-display);
  font-weight: 600;
  padding: 11px 25px;
  margin-top: 18px;
  margin-bottom: 8px;
  border: 1px solid var(--color-primary);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.cta-secondary:hover, .cta-secondary:focus {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-secondary);
}

/* ==== MOBILE MENU ==== */
.mobile-menu-toggle {
  display: none;
  position: fixed;
  right: 24px;
  top: 18px;
  z-index: 2222;
  font-size: 2rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: 6px;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  border: none;
  box-shadow: var(--shadow-card);
  transition: background var(--transition);
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  background: var(--color-secondary);
  color: #fff;
}
.mobile-menu {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: var(--color-surface);
  z-index: 3000;
  box-shadow: 0 0 42px 0 rgba(49,67,79,0.22);
  transform: translateX(-100%);
  transition: transform var(--transition);
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  align-self: flex-end;
  font-size: 2rem;
  margin: 24px 26px 10px 0;
  background: transparent;
  color: var(--color-primary);
  border-radius: 4px;
  border: none;
  transition: background var(--transition), color var(--transition);
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  width: 100%;
  padding: 0 36px;
  gap: 12px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 600;
  padding: 12px 0;
  border-radius: 6px;
  width: 100%;
  transition: background var(--transition), color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-accent);
  color: var(--color-secondary);
}

@media (max-width: 1024px) {
  header .container {
    gap: 11px;
  }
  header nav {
    gap: 8px;
  }
}
@media (max-width: 900px) {
  header .container {
    flex-direction: row;
    justify-content: space-between;
    gap: 0;
  }
  header nav {
    gap: 5px;
  }
  .cta-primary {
    padding: 10px 16px;
    margin-left: 5px;
  }
}
@media (max-width: 768px) {
  header .container {
    flex-direction: row;
    gap: 0;
  }
  header nav {
    display: none;
  }
  .cta-primary { display: none; }
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* ==== SECTION GENERAL STYLES & FLEX CONTAINERS ==== */
section {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  margin-bottom: 60px;
  padding: 40px 20px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.section { /* For explicitly marked .section classes */
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

@media (max-width: 600px) {
  section,
  .section {
    padding: 22px 5px;
    margin-bottom: 32px;
    border-radius: 5px;
  }
}

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

.feature-grid li, .feature-item {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--color-dark);
  font-family: var(--font-body);
  background: var(--color-accent);
  padding: 16px 18px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-light);
  min-width: 220px;
}
.feature-grid img {
  width: 32px;
  height: 32px;
  filter: grayscale(0.08) brightness(0.92);
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .card:focus-within {
  box-shadow: 0 6px 35px 0 rgba(49,67,79,0.11);
  transform: translateY(-2px) scale(1.035);
}

.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

@media (max-width: 768px) {
  .content-grid, .feature-grid, .card-container, .card-grid, .text-image-section {
    flex-direction: column;
    gap: 15px;
  }
  .feature-grid li, .feature-item {
    min-width: unset;
  }
}

.text-section {
  padding: 8px 0 8px 0;
  font-size: 1rem;
  color: var(--color-dark);
}

/* ==== TESTIMONIALS ==== */
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  background: var(--color-accent);
  padding: 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-light);
  margin-bottom: 20px;
}
.testimonial-card p {
  color: var(--color-dark);
  font-size: 1.11rem;
  font-family: var(--font-body);
  margin-bottom: 0;
}
.testimonial-meta {
  color: var(--color-secondary);
  font-size: 1rem;
  font-family: var(--font-display);
  font-weight: 500;
  margin-bottom: 2px;
}
.stars {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4px;
}
.stars img {
  width: 22px; height: 22px;
  filter: grayscale(0) brightness(1.02) drop-shadow(0 1px 4px rgba(163, 124, 82, 0.04));
}

/* ==== FOOTER ==== */
footer {
  background: var(--color-primary);
  color: #fff;
  padding: 38px 0 22px 0;
}
footer .container {
  flex-direction: row;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}
.footer-brand img {
  width: 54px;
  height: auto;
  display: block;
}
footer nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 25px;
}
footer nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  opacity: 0.9;
  border-radius: var(--radius);
  padding: 7px 10px;
  transition: background var(--transition), color var(--transition);
}
footer nav a:hover, footer nav a:focus {
  background: var(--color-accent);
  color: var(--color-primary);
}
.footer-contact {
  font-family: var(--font-body);
  font-size: 1rem;
  opacity: 0.85;
  text-align: right;
}
@media (max-width: 900px) {
  footer .container {
    flex-direction: column;
    gap: 24px;
    align-items: center;
  }
  .footer-contact {
    text-align: center;
  }
}

/* ==== COOKIE CONSENT BANNER ==== */
.cookie-banner {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  z-index: 10100;
  background: var(--color-surface);
  box-shadow: 0 -2px 40px rgba(49,67,79,0.10);
  padding: 24px 18px 22px 18px;
  border-top: 1px solid var(--color-gray-300);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 1rem;
  animation: fade-in-banner 0.34s cubic-bezier(0.4, 0, 0.2, 1);
}
@keyframes fade-in-banner {
  from { opacity:0; transform: translateY(24px); }
  to   { opacity:1; transform: translateY(0); }
}
.cookie-banner__text {
  color: var(--color-dark);
  line-height: 1.7;
  max-width: 650px;
  font-size: 1rem;
  font-family: var(--font-body);
}
.cookie-banner__actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1rem;
  border-radius: var(--radius);
  padding: 10px 22px;
  border: none;
  transition: background var(--transition), color var(--transition);
}
.cookie-btn.accept {
  background: var(--color-success);
  color: #fff;
  font-weight: 600;
}
.cookie-btn.accept:hover {
  background: var(--color-secondary);
}
.cookie-btn.reject {
  background: var(--color-gray-300);
  color: var(--color-gray-600);
}
.cookie-btn.reject:hover {
  background: var(--color-gray-500);
  color: #fff;
}
.cookie-btn.settings {
  background: var(--color-accent);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.cookie-btn.settings:hover {
  background: var(--color-primary);
  color: #fff;
}
@media (max-width: 600px) {
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .cookie-banner__actions {
    flex-direction: column;
    width: 100%;
    gap: 7px;
  }
}

/* ==== COOKIE CONSENT MODAL ==== */
.cookie-modal {
  position: fixed;
  left: 0; top: 0; width: 100vw; height: 100vh;
  z-index: 11120;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(49,67,79,0.39);
  animation: appear-modal 0.33s cubic-bezier(0.4,0,0.2,1);
}
@keyframes appear-modal { from { opacity:0; } to { opacity:1; } }
.cookie-modal__card {
  background: #fff;
  color: var(--color-dark);
  padding: 36px 28px 26px 28px;
  border-radius: var(--radius-lg);
  min-width: 300px;
  max-width: 94vw;
  box-shadow: 0 10px 60px rgba(49,67,79,.21);
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-family: var(--font-body);
}
.cookie-modal__header {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 12px;
  font-size: 1.25rem;
}
.cookie-modal__section {
  margin-bottom: 12px;
}
.cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.cookie-category input[type="checkbox"] {
  width: 20px; height: 20px;
  accent-color: var(--color-primary);
}
.cookie-category.label-required label {
  font-weight: 600;
  color: var(--color-primary);
}
.cookie-modal__actions {
  display: flex;
  flex-direction: row;
  gap: 14px;
  justify-content: flex-end;
}
@media (max-width: 480px) {
  .cookie-modal__card {
    padding: 18px 6vw;
  }
  .cookie-modal__actions { flex-direction: column; gap: 8px; }
}

/* ==== GENERAL LISTS AND CONTENT ==== */
ul, ol {
  margin-bottom: 16px;
}
ul li, ol li {
  margin-bottom: 10px;
  font-size: 1rem;
  color: var(--color-dark);
  line-height: 1.6;
  font-family: var(--font-body);
}

/* ==== FAQ STYLES & PREVIEW ==== */
.faq-preview {
  background: var(--color-accent);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-top: 22px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-light);
}
.faq-preview h3 {
  font-family: var(--font-display);
  color: var(--color-secondary);
  font-size: 1.08rem;
  margin-bottom: 10px;
}
.faq-preview ul li {
  margin-bottom: 9px;
  font-size: 1rem;
}
.faq-preview span {
  color: var(--color-gray-600);
  margin-left: 6px;
}

/* ==== FORM ELEMENTS & BUTTONS ==== */
button, .button {
  font-family: var(--font-display);
  font-weight: 600;
  border: none;
  outline: none;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  margin: 0;
}
button:focus, .button:focus {
  outline: 2px solid var(--color-secondary);
}
button.secondary, .button.secondary {
  background: var(--color-secondary);
  color: #fff;
  transition: background var(--transition), color var(--transition);
}
button.secondary:hover {
  background: var(--color-primary);
}

/* Remove blue highlight for buttons in Chrome mobile */
button, .button, .cta-primary, .cta-secondary {
  -webkit-tap-highlight-color: transparent;
}

/* ==== ANIMATIONS & MICRO-INTERACTIONS ==== */
a, .cta-primary, .cta-secondary, button {
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card, .feature-item, .testimonial-card, .faq-preview {
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover, .feature-item:hover, .testimonial-card:hover, .faq-preview:hover {
  box-shadow: 0 6px 35px 0 rgba(49,67,79,0.12);
  transform: translateY(-2px) scale(1.03);
}

/* ==== RESPONSIVE MEDIA QUERIES ==== */
@media (max-width: 600px) {
  h1 { font-size: 1.45rem; }
  h2 { font-size: 1.12rem; }
  .subtitle { font-size: 1.05rem; }
  .container { padding: 0 7px; }
  .footer-contact,
  .footer-brand, footer nav {
    width: 100%;
    justify-content: center;
    text-align: center;
  }
}

/* ==== ACCESSIBILITY ==== */
:focus {
  outline-style: solid;
  outline-width: 2px;
  outline-color: var(--color-secondary);
  outline-offset: 1px;
}

/* ==== HELPER CLASSES ==== */
.mt-3 { margin-top: 18px; }
.mb-3 { margin-bottom: 18px; }
.mb-5 { margin-bottom: 30px; }
.gap-3 { gap: 14px; }
.w-100 { width: 100%; }

/* ==== PRINT ==== */
@media print {
  header, footer, .cookie-banner, .mobile-menu, .mobile-menu-toggle {
    display: none !important;
  }
  main, section, .container, .content-wrapper {
    box-shadow: none;
    background: #fff !important;
    padding: 0 !important;
    margin: 0 !important;
  }
}