/* =============================================================
   FronzRimpe Finanzschule – Geometric Structured CSS
   Brand: Modern, trustworthy, motivating, geometric, structured
   ============================================================= */

/* =====================
   1. CSS Variables
   ===================== */
:root {
  --color-primary: #213C5F;
  --color-secondary: #2B855C;
  --color-accent: #F6F4EF;
  --color-bg: #fff;
  --color-text: #1A2233;
  --color-grey: #e5e7eb;
  --color-grey-dark: #b0b6c1;
  --color-shadow: rgba(33, 60, 95, 0.08);
  --color-shadow-strong: rgba(33, 60, 95, 0.16);
  --color-success: #2B855C;
  --color-error: #C0392B;
  --radius-card: 16px;
  --radius-btn: 8px;
  --font-display: 'Montserrat', 'Arial', sans-serif;
  --font-body: 'Open Sans', 'Arial', sans-serif;
  --transition: 0.25s cubic-bezier(.4,0,.2,1);
  --shadow-card: 0 4px 24px var(--color-shadow);
  --shadow-card-hover: 0 8px 32px var(--color-shadow-strong);
  --z-cookie: 10000;
  --z-mobile-menu: 9999;
}

/* =====================
   2. Reset & Base
   ===================== */
html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-accent);
  min-height: 100vh;
  line-height: 1.6;
  font-size: 1rem;
  letter-spacing: 0.01em;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover, a:focus {
  color: var(--color-secondary);
}

/* =====================
   3. Typography
   ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 0;
  margin-bottom: 0.6em;
  letter-spacing: 0.01em;
  line-height: 1.15;
}
h1 {
  font-size: 2.4rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
h2 {
  font-size: 1.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
h3 {
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
h4, h5, h6 {
  font-size: 1.1rem;
  text-transform: uppercase;
}
p, ul, ol, dl {
  margin-top: 0;
  margin-bottom: 1.2em;
}
strong {
  font-weight: 700;
}

/* =====================
   4. Layout Containers
   ===================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}

/* =====================
   5. Section Spacing
   ===================== */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-bg);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  position: relative;
}
section:last-child {
  margin-bottom: 0;
}

/* =====================
   6. Flexbox Patterns
   ===================== */
.card-container, .feature-grid, .team-grid, .gallery, .card-grid, .content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 24px;
  min-width: 260px;
  flex: 1 1 260px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-card-hover);
  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;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  min-width: 260px;
  flex: 1 1 260px;
  color: var(--color-text);
  font-size: 1.1rem;
  transition: box-shadow var(--transition), transform var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px) scale(1.01);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* =====================
   7. Navigation
   ===================== */
header {
  background: var(--color-primary);
  color: #fff;
  padding: 0;
  box-shadow: 0 2px 12px var(--color-shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0;
  padding-top: 0;
  padding-bottom: 0;
  min-height: 72px;
}
header img {
  height: 48px;
  width: auto;
  margin-right: 32px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 24px;
}
.main-nav a {
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}
.main-nav .cta-primary {
  background: var(--color-secondary);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 10px 24px;
  margin-left: 16px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  border: none;
  box-shadow: 0 2px 8px var(--color-shadow);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}
.main-nav .cta-primary:hover, .main-nav .cta-primary:focus {
  background: var(--color-primary);
  color: var(--color-accent);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
}

/* Hamburger Button */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  margin-left: 24px;
  transition: color var(--transition);
  z-index: var(--z-mobile-menu);
}
.mobile-menu-toggle:focus {
  outline: 2px solid var(--color-secondary);
}

/* =====================
   8. Mobile Menu Overlay
   ===================== */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(33,60,95,0.98);
  z-index: var(--z-mobile-menu);
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(.4,0,.2,1);
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
  animation: slideInMenu 0.35s cubic-bezier(.4,0,.2,1);
}
@keyframes slideInMenu {
  from { transform: translateX(100vw); }
  to { transform: translateX(0); }
}
.mobile-menu-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 2.2rem;
  align-self: flex-end;
  margin: 24px 32px 0 0;
  cursor: pointer;
  transition: color var(--transition);
}
.mobile-menu-close:focus {
  outline: 2px solid var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin: 48px 0 0 40px;
}
.mobile-nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}

/* =====================
   9. Footer
   ===================== */
footer {
  background: var(--color-primary);
  color: #fff;
  padding: 40px 0 0 0;
  border-top-left-radius: 32px;
  border-top-right-radius: 32px;
  box-shadow: 0 -2px 12px var(--color-shadow);
}
footer .container {
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
}
.footer-nav {
  display: flex;
  flex-direction: row;
  gap: 32px;
  margin-bottom: 12px;
}
.footer-nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-bottom: 2px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--color-secondary);
  border-bottom: 2px solid var(--color-secondary);
}
.footer-contact {
  font-size: 0.98rem;
  color: var(--color-accent);
  margin-bottom: 12px;
}

/* =====================
   10. Buttons & CTAs
   ===================== */
.cta-primary {
  display: inline-block;
  background: var(--color-secondary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 36px;
  margin-top: 12px;
  box-shadow: 0 2px 8px var(--color-shadow);
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.cta-primary:hover, .cta-primary:focus {
  background: var(--color-primary);
  color: var(--color-accent);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
  transform: translateY(-2px) scale(1.03);
}

/* =====================
   11. Lists & Details
   ===================== */
ul, ol {
  padding-left: 1.5em;
  margin-bottom: 1.2em;
}
ul li, ol li {
  margin-bottom: 0.5em;
  font-size: 1rem;
  position: relative;
}
ul li::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  background: var(--color-secondary);
  border-radius: 2px;
  margin-right: 12px;
  vertical-align: middle;
}
ol li::before {
  display: none;
}
dt {
  font-weight: 700;
  color: var(--color-primary);
  margin-top: 1em;
}
dd {
  margin-left: 0;
  margin-bottom: 1em;
}

/* =====================
   12. Geometric/Structured Cards
   ===================== */
.feature-grid > div, .team-grid > div, .gallery > div {
  background: var(--color-accent);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 28px 24px;
  min-width: 260px;
  flex: 1 1 260px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 2.5px solid var(--color-grey);
}
.feature-grid > div:hover, .team-grid > div:hover, .gallery > div:hover {
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-secondary);
  transform: translateY(-3px) scale(1.02);
}

/* =====================
   13. Cookie Consent Banner
   ===================== */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  width: 100vw;
  background: var(--color-accent);
  color: var(--color-text);
  box-shadow: 0 -2px 16px var(--color-shadow-strong);
  z-index: var(--z-cookie);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 32px;
  font-size: 1rem;
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  opacity: 1;
  transition: opacity 0.3s var(--transition), transform 0.3s var(--transition);
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
}
.cookie-btn {
  background: var(--color-secondary);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 10px 22px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  box-shadow: 0 2px 8px var(--color-shadow);
}
.cookie-btn.settings {
  background: var(--color-primary);
}
.cookie-btn.reject {
  background: #fff;
  color: var(--color-error);
  border: 2px solid var(--color-error);
}
.cookie-btn:hover, .cookie-btn:focus {
  background: var(--color-primary);
  color: var(--color-accent);
  box-shadow: 0 4px 16px var(--color-shadow-strong);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--color-error);
  color: #fff;
}

/* Cookie Modal */
.cookie-modal {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, 100vh);
  min-width: 320px;
  max-width: 95vw;
  background: var(--color-accent);
  color: var(--color-text);
  border-radius: 24px;
  box-shadow: 0 8px 48px var(--color-shadow-strong);
  z-index: calc(var(--z-cookie) + 1);
  padding: 36px 32px 28px 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s var(--transition), transform 0.4s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.cookie-modal.open {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, -50%);
  animation: cookieModalIn 0.4s cubic-bezier(.4,0,.2,1);
}
@keyframes cookieModalIn {
  from { transform: translate(-50%, 100vh); opacity: 0; }
  to { transform: translate(-50%, -50%); opacity: 1; }
}
.cookie-modal h3 {
  font-size: 1.3rem;
  margin-bottom: 0.5em;
}
.cookie-modal .cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-weight: 600;
  font-family: var(--font-display);
  color: var(--color-primary);
  font-size: 1rem;
}
.cookie-modal .cookie-toggle {
  width: 44px;
  height: 24px;
  background: var(--color-grey);
  border-radius: 12px;
  position: relative;
  cursor: pointer;
  transition: background var(--transition);
  margin-left: 8px;
}
.cookie-modal .cookie-toggle input {
  display: none;
}
.cookie-modal .cookie-toggle .slider {
  position: absolute;
  top: 2px; left: 2px;
  width: 20px; height: 20px;
  background: #fff;
  border-radius: 50%;
  transition: left var(--transition), background var(--transition);
  box-shadow: 0 1px 4px var(--color-shadow);
}
.cookie-modal .cookie-toggle input:checked + .slider {
  left: 22px;
  background: var(--color-secondary);
}
.cookie-modal .cookie-category.essential .cookie-toggle {
  background: var(--color-grey-dark);
  cursor: not-allowed;
}
.cookie-modal .cookie-category.essential label {
  color: var(--color-secondary);
}
.cookie-modal .cookie-actions {
  display: flex;
  flex-direction: row;
  gap: 16px;
  margin-top: 12px;
}
.cookie-modal .cookie-close {
  background: none;
  border: none;
  color: var(--color-primary);
  font-size: 1.6rem;
  position: absolute;
  top: 18px; right: 24px;
  cursor: pointer;
  transition: color var(--transition);
}
.cookie-modal .cookie-close:focus {
  outline: 2px solid var(--color-secondary);
}

/* =====================
   14. Responsive Design
   ===================== */
@media (max-width: 1024px) {
  .container {
    max-width: 900px;
  }
  .main-nav {
    gap: 16px;
  }
  .footer-nav {
    gap: 18px;
  }
}
@media (max-width: 900px) {
  .container {
    max-width: 98vw;
  }
  .feature-grid, .team-grid, .gallery, .card-grid, .content-grid {
    gap: 16px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  section {
    padding: 28px 8px;
    margin-bottom: 36px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .feature-grid, .team-grid, .gallery, .card-grid, .content-grid {
    flex-direction: column;
    gap: 20px;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    font-size: 1rem;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 10px;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding: 18px 10px;
    font-size: 0.98rem;
  }
  .cookie-modal {
    padding: 22px 8px 18px 8px;
    min-width: 0;
    max-width: 98vw;
  }
}
@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  h1 {
    font-size: 1.5rem;
  }
  h2 {
    font-size: 1.2rem;
  }
  .cta-primary {
    padding: 10px 18px;
    font-size: 1rem;
  }
  .feature-grid > div, .team-grid > div, .gallery > div, .card {
    padding: 16px 8px;
    min-width: 0;
  }
}

/* =====================
   15. Micro-interactions
   ===================== */
.card, .feature-grid > div, .team-grid > div, .gallery > div, .testimonial-card {
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.card:active, .feature-grid > div:active, .team-grid > div:active, .gallery > div:active, .testimonial-card:active {
  transform: scale(0.98);
}

/* =====================
   16. Utility Classes
   ===================== */
.hide {
  display: none !important;
}
.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}

/* =====================
   17. Accessibility
   ===================== */
:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 2px;
}

/* =====================
   18. Geometric Decorative Elements (Optional)
   ===================== */
/* Example: Add geometric shapes as pseudo-elements for sections */
section::before {
  content: '';
  display: block;
  position: absolute;
  top: -24px; left: -24px;
  width: 64px; height: 64px;
  background: linear-gradient(135deg, var(--color-secondary) 60%, transparent 100%);
  border-radius: 12px 0 32px 0;
  opacity: 0.07;
  z-index: 0;
  pointer-events: none;
}
section::after {
  content: '';
  display: block;
  position: absolute;
  bottom: -24px; right: -24px;
  width: 48px; height: 48px;
  background: linear-gradient(225deg, var(--color-primary) 60%, transparent 100%);
  border-radius: 0 0 24px 24px;
  opacity: 0.06;
  z-index: 0;
  pointer-events: none;
}

/* =====================
   19. Print Styles
   ===================== */
@media print {
  header, footer, .cookie-banner, .mobile-menu { display: none !important; }
  section { box-shadow: none; background: #fff; }
}