/* =========================================================
   FinanzKids Leipzig – Monochrome Sophisticated CSS Theme
   Modern, elegant, monochrome with dramatic contrast
   Flexbox-only layouts, responsive, interactive elements
   ========================================================= */

:root {
  --color-bg: #fff;
  --color-bg-alt: #f5f5f5;
  --color-bg-dark: #181818;
  --color-bg-light: #fafbfc;
  --color-primary: #111;
  --color-secondary: #444;
  --color-accent: #ececec;
  --color-contrast: #fff;
  --color-border: #e0e0e0;
  --color-shadow: rgba(0,0,0,0.08);
  --color-shadow-strong: rgba(0,0,0,0.18);
  --color-link: #111;
  --color-link-hover: #205375;
  --color-cta: #111;
  --color-cta-hover: #fff;
  --color-cta-bg: #fff;
  --color-cta-bg-hover: #111;
  --color-cta-border: #111;
  --color-star: #111;
  --color-cookie-bg: #181818;
  --color-cookie-text: #fff;
  --color-cookie-btn: #fff;
  --color-cookie-btn-bg: #111;
  --color-cookie-btn-hover: #205375;
  --color-cookie-modal-bg: #fff;
  --color-cookie-modal-text: #111;
  --color-cookie-modal-border: #e0e0e0;
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --radius: 12px;
  --radius-sm: 6px;
  --shadow: 0 2px 16px var(--color-shadow);
  --shadow-strong: 0 4px 32px var(--color-shadow-strong);
}

html {
  box-sizing: border-box;
  font-size: 16px;
  background: var(--color-bg);
  color: var(--color-primary);
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-bg);
  color: var(--color-primary);
  margin: 0;
  min-height: 100vh;
  line-height: 1.7;
}

/* =====================
   Typography
   ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 0.5em;
  font-weight: 700;
  letter-spacing: -0.01em;
}
h1 {
  font-size: 2.5rem;
  line-height: 1.1;
  margin-bottom: 0.5em;
}
h2 {
  font-size: 2rem;
  line-height: 1.15;
  margin-bottom: 0.5em;
}
h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 0.4em;
}
h4, h5, h6 {
  font-size: 1.1rem;
  font-weight: 500;
}
p, ul, ol {
  margin-top: 0;
  margin-bottom: 1.2em;
}
strong {
  font-weight: 600;
}
a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-link-hover);
  text-decoration: underline;
}
img {
  max-width: 100%;
}
/* =====================
   Layout Containers
   ===================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.content-wrapper {
  width: 100%;
  margin: 0 auto;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
}

/* =====================
   Header & Navigation
   ===================== */
header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 2px 8px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}
header img {
  height: 48px;
  width: auto;
  display: block;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.main-nav a {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--color-primary);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-link-hover);
  border-bottom: 2px solid var(--color-link-hover);
}
.cta-primary {
  background: var(--color-cta-bg);
  color: var(--color-cta);
  border: 2px solid var(--color-cta-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  padding: 8px 24px;
  margin-left: 16px;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  cursor: pointer;
  text-align: center;
  display: inline-block;
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-cta-bg-hover);
  color: var(--color-cta-hover);
  border-color: var(--color-cta-bg-hover);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
}
.cta-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 8px 20px;
  margin-top: 10px;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
  cursor: pointer;
  text-align: center;
  display: inline-block;
}
.cta-secondary:hover, .cta-secondary:focus {
  background: var(--color-primary);
  color: var(--color-contrast);
  border-color: var(--color-primary);
}

/* =====================
   Mobile Navigation
   ===================== */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  margin-left: 16px;
  transition: color var(--transition);
  z-index: 120;
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-link-hover);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(24,24,24,0.98);
  color: var(--color-contrast);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 32px 24px 24px 24px;
  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-contrast);
  font-size: 2.2rem;
  align-self: flex-end;
  margin-bottom: 24px;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:focus {
  outline: 2px solid var(--color-link-hover);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}
.mobile-nav a {
  color: var(--color-contrast);
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-secondary);
}

/* =====================
   Main & Sections
   ===================== */
main {
  background: var(--color-bg);
  min-height: 60vh;
  padding-bottom: 40px;
}
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: 0 2px 16px var(--color-shadow);
}

/* =====================
   Feature Grid, Cards, Lists
   ===================== */
.feature-grid, .team-grid, .blog-list, .course-list, .image-gallery {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
}
.feature-grid > div, .team-grid > div, .blog-teaser, .course-item {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 28px 24px;
  flex: 1 1 260px;
  min-width: 260px;
  max-width: 100%;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
}
.feature-grid > div:hover, .team-grid > div:hover, .blog-teaser:hover, .course-item:hover {
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  transform: translateY(-4px) scale(1.02);
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  margin-bottom: 20px;
  position: relative;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  transform: translateY(-4px) scale(1.02);
}
.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;
}
.text-image-section img {
  max-width: 400px;
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 2px 16px var(--color-shadow);
}

/* =====================
   Testimonials
   ===================== */
.testimonial-slider {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-bg-light);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  min-width: 260px;
  max-width: 360px;
  flex: 1 1 260px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover {
  box-shadow: 0 6px 32px var(--color-shadow-strong);
  transform: translateY(-4px) scale(1.02);
}
.testimonial-card p {
  color: var(--color-primary);
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 0.5em;
}
.testimonial-author {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--color-secondary);
  font-size: 1rem;
}
.star-rating {
  color: var(--color-star);
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}

/* =====================
   Icon List, Timeline, Stepper, FAQ
   ===================== */
.icon-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 15px;
}
.icon-list li {
  padding-left: 0.5em;
  position: relative;
  font-size: 1.05rem;
}
.icon-list li:before {
  content: '\2022';
  color: var(--color-primary);
  font-weight: bold;
  display: inline-block;
  width: 1em;
  margin-left: -1em;
}
.timeline, .stepper {
  display: flex;
  flex-direction: column;
  gap: 15px;
  margin-top: 18px;
}
.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.faq-accordion h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3em;
}

/* =====================
   Blog List
   ===================== */
.blog-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
}
.blog-teaser {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  box-shadow: 0 2px 12px var(--color-shadow);
  padding: 24px;
  flex: 1 1 260px;
  min-width: 260px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.blog-teaser img {
  width: 100%;
  max-width: 320px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  box-shadow: 0 2px 8px var(--color-shadow);
}
.blog-teaser h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5em;
}
.blog-teaser a {
  margin-top: auto;
  color: var(--color-link);
  font-weight: 600;
  border-bottom: 1px solid var(--color-link);
  transition: color var(--transition), border-color var(--transition);
}
.blog-teaser a:hover {
  color: var(--color-link-hover);
  border-color: var(--color-link-hover);
}

/* =====================
   Newsletter Form
   ===================== */
.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 18px;
}
.newsletter-form input[type="email"] {
  flex: 1 1 200px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-body);
  background: var(--color-bg-light);
  color: var(--color-primary);
  transition: border-color var(--transition);
}
.newsletter-form input[type="email"]:focus {
  border-color: var(--color-link-hover);
  outline: none;
}
.newsletter-form button {
  background: var(--color-primary);
  color: var(--color-contrast);
  border: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 10px 24px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.newsletter-form button:hover, .newsletter-form button:focus {
  background: var(--color-link-hover);
  color: var(--color-contrast);
}

/* =====================
   Contact Details & Map
   ===================== */
.contact-details {
  margin-bottom: 24px;
  font-size: 1.05rem;
}
.map img {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius);
  box-shadow: 0 2px 16px var(--color-shadow);
}

/* =====================
   Footer
   ===================== */
footer {
  background: var(--color-bg-dark);
  color: var(--color-contrast);
  padding: 48px 0 24px 0;
  border-top: 1px solid var(--color-border);
}
footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  align-items: flex-start;
  justify-content: space-between;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-nav a {
  color: var(--color-contrast);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  opacity: 0.85;
  transition: color var(--transition), opacity var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-link-hover);
  opacity: 1;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 1rem;
  color: var(--color-contrast);
}
.footer-contact img {
  height: 36px;
  width: auto;
  margin-bottom: 8px;
}
.footer-social {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-social a {
  color: var(--color-contrast);
  font-size: 1.1rem;
  opacity: 0.85;
  transition: color var(--transition), opacity var(--transition);
}
.footer-social a:hover, .footer-social a:focus {
  color: var(--color-link-hover);
  opacity: 1;
}

/* =====================
   Cookie Consent Banner
   ===================== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-cookie-bg);
  color: var(--color-cookie-text);
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 16px 16px 16px;
  box-shadow: 0 -2px 16px var(--color-shadow-strong);
  border-radius: var(--radius) var(--radius) 0 0;
  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 {
  color: var(--color-cookie-text);
  margin-bottom: 16px;
  text-align: center;
}
.cookie-banner .cookie-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.cookie-banner button {
  background: var(--color-cookie-btn-bg);
  color: var(--color-cookie-btn);
  border: 2px solid var(--color-cookie-btn);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 8px 22px;
  cursor: pointer;
  margin: 0;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.cookie-banner button:hover, .cookie-banner button:focus {
  background: var(--color-cookie-btn-hover);
  color: var(--color-contrast);
  border-color: var(--color-cookie-btn-hover);
}

/* Cookie Modal */
.cookie-modal-overlay {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(24,24,24,0.7);
  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-cookie-modal-bg);
  color: var(--color-cookie-modal-text);
  border-radius: var(--radius);
  box-shadow: 0 4px 32px var(--color-shadow-strong);
  padding: 32px 24px 24px 24px;
  max-width: 420px;
  width: 90vw;
  display: flex;
  flex-direction: column;
  gap: 18px;
  border: 1px solid var(--color-cookie-modal-border);
  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 {
  font-size: 1.3rem;
  margin-bottom: 0.5em;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}
.cookie-modal .cookie-category label {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-cookie-modal-text);
}
.cookie-modal .cookie-category input[type="checkbox"] {
  accent-color: var(--color-link-hover);
  width: 20px;
  height: 20px;
  margin: 0;
}
.cookie-modal .cookie-category input[disabled] {
  opacity: 0.5;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
  margin-top: 12px;
}
.cookie-modal button {
  background: var(--color-cookie-btn-bg);
  color: var(--color-cookie-btn);
  border: 2px solid var(--color-cookie-btn);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 8px 22px;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.cookie-modal button:hover, .cookie-modal button:focus {
  background: var(--color-cookie-btn-hover);
  color: var(--color-contrast);
  border-color: var(--color-cookie-btn-hover);
}

/* =====================
   Responsive Design
   ===================== */
@media (max-width: 1024px) {
  .container {
    max-width: 960px;
  }
  .feature-grid, .team-grid, .blog-list, .course-list, .image-gallery {
    gap: 18px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 760px;
  }
  .feature-grid > div, .team-grid > div, .blog-teaser, .course-item {
    min-width: 180px;
    padding: 20px 14px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  header .container {
    gap: 12px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .feature-grid, .team-grid, .blog-list, .course-list, .image-gallery {
    flex-direction: column;
    gap: 18px;
  }
  .feature-grid > div, .team-grid > div, .blog-teaser, .course-item {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
  .testimonial-slider {
    flex-direction: column;
    gap: 18px;
  }
  .testimonial-card {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
  .text-image-section {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }
  .text-image-section img {
    max-width: 100%;
  }
  .footer-contact, .footer-social, .footer-nav {
    align-items: flex-start;
  }
  footer .container {
    flex-direction: column;
    gap: 24px;
  }
  section {
    padding: 28px 8px;
  }
}
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  .container {
    padding-left: 8px;
    padding-right: 8px;
  }
  .cookie-modal {
    padding: 18px 6px 12px 6px;
  }
}

/* =====================
   Micro-interactions & Transitions
   ===================== */
button, .cta-primary, .cta-secondary, .newsletter-form button, .cookie-banner button, .cookie-modal button {
  transition: background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
button:active, .cta-primary:active, .cta-secondary:active, .newsletter-form button:active, .cookie-banner button:active, .cookie-modal button:active {
  transform: scale(0.97);
}

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

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

/* =====================
   Prevent Overlapping
   ===================== */
.feature-grid > div, .team-grid > div, .blog-teaser, .course-item, .testimonial-card, .card {
  margin-bottom: 20px;
}
.section, section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.card-container, .content-grid, .testimonial-slider, .feature-grid, .team-grid, .blog-list, .course-list, .image-gallery {
  gap: 20px;
}

/* =====================
   End of CSS
   ===================== */