/* CSS RESET & NORMALIZATION ===================== */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 100%;
  font: inherit;
  vertical-align: baseline;
  box-sizing: border-box;
}
html {
  box-sizing: border-box;
  width: 100%;
  min-height: 100%;
}
*, *:before, *:after {
  box-sizing: inherit;
}
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1.5;
  background: #fff;
  color: #111;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  font-size: 16px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}
ul, ol {
  list-style: none;
}
img {
  max-width: 100%;
  display: block;
  height: auto;
}
button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  background: none;
  border: none;
  outline: none;
  padding: 0;
  transition: background 0.25s, color 0.25s, border 0.25s;
}

/* BRAND COLORS & VARIABLES ===================== */
:root {
  --brand-primary: #243462;
  --brand-secondary: #6DC6A8;
  --brand-accent: #F3F2ED;
  --black: #111;
  --white: #fff;
  --gray-100: #F6F7FA;
  --gray-200: #E3E4E7;
  --gray-300: #CCC;
  --gray-400: #999;
  --gray-500: #666;
  --gray-600: #333;
  --shadow: 0 5px 30px 0 rgba(24, 28, 47, 0.09), 0 1.5px 8px 0 rgba(24, 28, 47, 0.04);
  --radius: 12px;
  --radius-lg: 22px;
  --transition: 0.25s cubic-bezier(.63,.17,.4,1.07);
  --shadow-elevated: 0 2px 24px 0 rgba(24,27,37,0.15);
}

/* TYPOGRAPHY ================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', "Open Sans", Arial, Helvetica, sans-serif;
  font-weight: 700;
  color: var(--black);
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
h1 {
  font-size: 2.75rem;
  margin-bottom: 18px;
}
h2 {
  font-size: 2rem;
  margin-bottom: 16px;
}
h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}
h4 {
  font-size: 1.13rem;
  margin-bottom: 8px;
}
.subheadline, .career-subheadline, .platform-tagline {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1.22rem;
  color: var(--gray-600);
  font-weight: 500;
  margin-bottom: 28px;
  line-height: 1.4;
}
p, li {
  color: var(--gray-600);
  font-size: 1rem;
  margin-bottom: 12px;
  line-height: 1.6;
}
strong {
  color: var(--black);
  font-weight: 600;
}
span, label {
  font-size: 1rem;
}

/* LAYOUT ======================================= */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-direction: column;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
}
section {
  width: 100%;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: none;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--white);
  border-radius: var(--radius-lg);
}

/* CARD CONTAINERS ============================= */
.card-container, .card-grid, .feature_grid, .service_overview, .service-list, .license-options, .job-listings, .team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--gray-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  position: relative;
  padding: 28px 22px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  box-shadow: 0 5px 30px 0 rgba(36,52,98,0.12), 0 1.5px 12px 0 rgba(24,28,47,0.1);
  transform: translateY(-2px) scale(1.012);
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Feature Cards and Services ================== */
.feature {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  flex: 1 1 250px;
  min-width: 240px;
  max-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px 20px;
  gap: 15px;
  transition: box-shadow var(--transition), border-color var(--transition);
}
.feature img {
  height: 38px;
  width: 38px;
  margin-bottom: 10px;
  filter: grayscale(1) contrast(1.4);
  opacity: 0.92;
}
.feature:hover {
  border-color: var(--brand-secondary);
  box-shadow: var(--shadow-elevated);
}

/* Service Cards =============================== */
.service-card, .license-card, .job-card, .team-bio {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  flex: 1 1 260px;
  min-width: 230px;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 26px 20px 20px 20px;
  gap: 8px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition), border-color var(--transition), transform var(--transition);
  position: relative;
}
.service-card span, .license-card span, .job-card span, .team-bio span {
  font-size: 0.95rem;
  margin-top: 8px;
  color: var(--brand-primary);
  font-weight: 600;
}
.service-card:hover, .license-card:hover, .job-card:hover, .team-bio:hover {
  border-color: var(--brand-primary);
  box-shadow: 0 7px 32px 0 rgba(24,28,47,0.07);
  transform: scale(1.011);
}

/* Testimonials ================================ */
.testimonial-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: 24px 20px;
  background: var(--gray-100);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  min-width: 220px;
  flex: 1 1 245px;
  max-width: 340px;
  color: var(--black);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.testimonial-card p {
  font-size: 1.05rem;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--black);
  font-weight: 500;
  line-height: 1.55;
  margin-bottom: 6px;
}
.testimonial-card .stars {
  color: var(--brand-secondary);
  font-size: 1.12rem;
  margin-bottom: 6px;
  letter-spacing: 1.2px;
}
.testimonial-card span {
  color: var(--gray-500);
  font-size: 0.98rem;
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
}
.testimonial-card:hover {
  box-shadow: var(--shadow-elevated);
}

/* Buttons & CTAs ============================== */
.cta-btn {
  display: inline-block;
  background: var(--brand-primary);
  color: var(--white);
  padding: 12px 36px;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1.10rem;
  border-radius: 100px;
  font-weight: 700;
  letter-spacing: .02em;
  box-shadow: 0 1.5px 7px 0 rgba(36,52,98,0.05);
  border: none;
  margin-top: 8px;
  margin-bottom: 10px;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.cta-btn:hover, .cta-btn:focus {
  background: var(--black);
  color: var(--brand-secondary);
  box-shadow: 0 7px 28px 0 rgba(36,52,98,0.08);
  transform: translateY(-2px) scale(1.01);
}

/* Header ====================================== */
header {
  width: 100%;
  background: var(--white);
  box-shadow: 0 0.5px 5px 0 rgba(36,52,98,0.04);
  position: sticky;
  top: 0;
  z-index: 30;
}
header .container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  height: 88px;
}
header img[alt="Synthetic Signal Akademie"] {
  max-height: 45px;
  margin-right: 24px;
  display: block;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}
.main-nav a {
  color: var(--gray-600);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 100px;
  transition: background 0.2s, color 0.2s;
  font-size: 1.03rem;
  position: relative;
  z-index: 10;
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--gray-200);
  color: var(--brand-primary);
}
.main-nav .cta-btn {
  margin-left: 20px;
  margin-bottom: 0;
}
.mobile-menu-toggle {
  display: none;
  font-size: 2.2rem;
  padding: 8px 14px;
  background: var(--white);
  color: var(--brand-primary);
  border-radius: 8px;
  box-shadow: none;
  border: none;
  z-index: 99;
  transition: background 0.15s, color 0.15s;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  background: var(--gray-200);
  color: var(--black);
}

/* Mobile Menu ================================== */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(17, 17, 17, 0.98);
  z-index: 120;
  visibility: hidden;
  opacity: 0;
  transition: opacity .25s, visibility 0.23s;
  transform: translateX(100%);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: flex-start;
}
.mobile-menu.open {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
  transition: opacity .26s, transform .26s cubic-bezier(.27,.9,.42,1);
}
.mobile-menu-close {
  background: none;
  color: var(--white);
  font-size: 2.1rem;
  margin: 20px 26px 0 0;
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  z-index: 100;
  transition: background 0.1s;
}
.mobile-menu-close:focus, .mobile-menu-close:hover {
  background: var(--brand-primary);
  color: var(--brand-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-end;
  padding: 45px 36px 0 0;
  width: 100vw;
  height: 100vh;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
}
.mobile-nav a {
  color: var(--white);
  font-size: 1.3rem;
  font-weight: 600;
  padding: 8px 0;
  text-align: right;
  border-radius: 10px;
  min-width: 150px;
  transition: color 0.2s;
}
.mobile-nav a:focus, .mobile-nav a:hover {
  color: var(--brand-secondary);
}

/* Footer ====================================== */
footer {
  width: 100%;
  background: var(--gray-100);
  padding: 38px 0 16px 0;
  border-top: 1.5px solid var(--gray-200);
}
footer .container {
  gap: 16px;
  align-items: flex-start;
  flex-direction: column;
}
.footer-navigation nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 8px;
}
.footer-navigation nav a {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  color: var(--gray-500);
  padding: 2px 8px;
  border-radius: 8px;
  transition: background 0.1s, color 0.13s;
}
.footer-navigation nav a:focus, .footer-navigation nav a:hover {
  background: var(--brand-accent);
  color: var(--brand-primary);
}
.contact-info, .legal-links, .copyright {
  font-size: 0.98rem;
  color: var(--gray-600);
}
.legal-links a {
  color: var(--gray-500);
  margin: 0 3px;
  transition: color 0.13s;
}
.legal-links a:hover, .legal-links a:focus {
  color: var(--black);
}
.copyright {
  margin-top: 10px;
  color: var(--gray-400);
  font-size: 0.92rem;
}

/* Spacing, Gaps, Patterns (MANDATORY) ========= */
.section { margin-bottom: 60px; padding: 40px 20px; }
.card-container { display: flex; flex-wrap: wrap; gap: 24px; }
.card { margin-bottom: 20px; position: relative; }
.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; }
.feature-item { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; }

/* Other Layout Helpers ======================== */
.text-section, .location-details, .accessibility-info, .how-to-apply, .faq, .qualifications, .awards-partners, .history-timeline, .awards, .target-groups, .learning-paths, .price-overview {
  margin-bottom: 20px;
}
.history-timeline li, .awards li {
  margin-bottom: 8px;
  color: var(--gray-600);
  font-size: 1rem;
}
.partner-logos {
  display: flex;
  flex-direction: row;
  gap: 24px;
  align-items: center;
  margin-bottom: 12px;
}
.partner-logos img {
  max-height: 46px;
  filter: grayscale(1) contrast(1.18);
}

/* List Styles ================================ */
ul, ol {
  margin-left: 18px;
  margin-bottom: 18px;
}
ul li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 16px;
  color: var(--gray-600);
}
ul li:before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gray-400);
  position: absolute;
  left: 0;
  top: 9px;
}

/* Sections with background accent ============= */
.feature-list, .awards-partners, .license-options, .job-listings, .testimonial-list {
  margin-bottom: 18px;
}

/* Accessibility / Focus States ================ */
a:focus-visible, button:focus-visible, .cta-btn:focus-visible {
  outline: 2px solid var(--brand-secondary);
  outline-offset: 1.5px;
  background: var(--brand-accent);
  color: var(--brand-primary)!important;
}

/* Cookie Banner ============================== */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  background: var(--black);
  color: var(--white);
  padding: 28px 20px 22px 20px;
  box-shadow: 0 -2px 22px 0 rgba(36, 52, 98, 0.11);
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-radius: 18px 18px 0 0;
  font-size: 1.05rem;
  opacity: 1;
  transition: opacity 0.3s, bottom 0.3s;
}
.cookie-banner.hide {
  opacity: 0;
  pointer-events: none;
  bottom: -150px;
}
.cookie-banner .cookie-text {
  flex: 3 1 340px;
  color: var(--gray-100);
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  font-size: 1.06rem;
}
.cookie-banner .cookie-actions {
  flex: 1 1 210px;
  display: flex;
  flex-direction: row;
  gap: 10px;
  justify-content: flex-end;
}
.cookie-btn {
  padding: 8px 22px;
  border-radius: 100px;
  border: none;
  background: var(--gray-200);
  color: var(--black);
  font-weight: 700;
  font-size: 1.01rem;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  margin-left: 6px;
  transition: background 0.13s, color 0.15s, box-shadow 0.15s;
  box-shadow: 0 1.5px 6px 0 rgba(19,24,47,.09);
}
.cookie-btn.accept {
  background: var(--brand-secondary);
  color: var(--black);
}
.cookie-btn.accept:hover {
  background: var(--brand-primary);
  color: var(--white);
}
.cookie-btn.reject {
  background: var(--gray-200);
  color: var(--black);
}
.cookie-btn.reject:hover {
  background: var(--gray-400);
  color: var(--white);
}
.cookie-btn.settings {
  background: var(--gray-100);
  color: var(--brand-primary);
  border: 1.5px solid var(--brand-primary);
}
.cookie-btn.settings:hover {
  background: var(--white);
  color: var(--brand-secondary);
}

/* Cookie Preferences Modal ******************** */
.cookie-modal {
  position: fixed;
  z-index: 10000;
  top: 0;
  left: 0; right: 0; bottom: 0;
  background: rgba(18, 20, 24, 0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s, visibility .20s;
}
.cookie-modal.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal-content {
  background: var(--white);
  color: var(--black);
  border-radius: var(--radius-lg);
  max-width: 410px;
  width: 95vw;
  padding: 32px 28px 28px 28px;
  position: relative;
  box-shadow: 0 2px 38px 0 rgba(24,28,47,0.19);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.cookie-modal-close {
  position: absolute;
  top: 8px;
  right: 14px;
  background: none;
  color: var(--black);
  font-size: 1.9rem;
  border: none;
  border-radius: 8px;
  padding: 6px 13px;
  transition: background 0.13s, color 0.14s;
}
.cookie-modal-close:hover,
.cookie-modal-close:focus {
  background: var(--brand-accent);
  color: var(--brand-primary);
}
.cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
}
.cookie-category label {
  font-weight: 600;
  color: var(--brand-primary);
}
.cookie-category input[type=checkbox]:disabled + label {
  color: var(--gray-400);
  font-style: italic;
}
.cookie-modal-actions {
  display: flex;
  flex-direction: row;
  gap: 14px;
  margin-top: 13px;
  justify-content: flex-end;
}

/* Responsive Design ============================ */
@media (max-width: 1150px) {
  .container {
    max-width: 970px;
    padding: 0 16px;
  }
  .feature_grid, .service_overview, .service-list, .card-container, .card-grid,
  .license-options, .job-listings, .team-grid, .testimonial-list {
    gap: 18px;
  }
}
@media (max-width: 900px) {
  .feature, .service-card, .license-card, .team-bio, .job-card, .testimonial-card {
    min-width: 100%;
    flex: 1 1 100%;
    max-width: 100%;
  }
  .feature_grid, .service_overview, .service-list, .license-options, .job-listings, .team-grid, .testimonial-list {
    flex-direction: column;
    align-items: stretch;
  }
  .main-nav {
    gap: 11px;
  }
}
@media (max-width: 768px) {
  html {
    font-size: 15px;
  }
  .container {
    max-width: 98vw;
    padding: 0 8px;
  }
  h1 {
    font-size: 2rem;
  }
  h2 {
    font-size: 1.3rem;
  }
  .header .container {
    height: 67px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: inline-block;
  }
  .card {
    min-width: 100%;
    padding: 18px 12px;
  }
  .feature, .service-card, .license-card, .job-card, .testimonial-card, .team-bio {
    min-width: 100%;
    padding: 18px 12px;
  }
  .testimonial-card, .job-card, .license-card {
    min-width: 100%;
    max-width: 100%;
  }
  .feature_grid, .service_overview, .service-list, .card-container, .card-grid,
  .license-options, .job-listings, .team-grid, .testimonial-list {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
  }
  .content-wrapper {
    gap: 14px;
  }
  .section {
    margin-bottom: 36px;
    padding: 28px 8px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
  }
  .footer-navigation nav {
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.98rem;
  }
  .cookie-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    font-size: 0.99rem;
    padding: 23px 10px 13px 10px;
    border-radius: 10px 10px 0 0;
  }
  .cookie-banner .cookie-actions {
    flex-direction: column;
    gap: 8px;
    width: 100%;
    align-items: stretch;
  }
}

/* Prevent any container overlap on all sizes! */
.section, .card, .service-card, .license-card, .job-card, .feature, .team-bio, .testimonial-card {
  margin-bottom: 20px;
}

/* Utility & Accessibility */
.visually-hidden {
  position: absolute !important;
  height: 1px; width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* Hide mobile menu on desktop, show only on small screens */
@media (min-width: 769px) {
  .mobile-menu, .mobile-menu.open {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: none !important;
  }
  .main-nav {
    display: flex !important;
  }
}

/* Subtle Animations */
.cta-btn, .service-card, .feature, .job-card, .license-card, .testimonial-card, .team-bio {
  transition: box-shadow 0.23s cubic-bezier(.65,.17,.42,1),
              transform 0.18s cubic-bezier(0.47, 1.64, 0.41, 0.8);
}
.cta-btn:active {
  transform: scale(.98);
}

/* Forms (if shown) =========================== */
input, textarea, select {
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  background: var(--gray-100);
  border: 1px solid var(--gray-300);
  color: var(--black);
  border-radius: var(--radius);
  padding: 10px 15px;
  margin-bottom: 14px;
  width: 100%;
  outline: none;
  box-shadow: 0 0.5px 2px 0 rgba(36,52,98,0.03);
  transition: border 0.13s, box-shadow 0.12s;
}
input:focus, textarea:focus, select:focus {
  border: 1.5px solid var(--brand-primary);
  box-shadow: 0 2px 16px 0 rgba(36,52,98,0.08);
}

/* Subtle Card Hover Lift ===================== */
.card:hover, .feature:hover, .service-card:hover, .license-card:hover, .job-card:hover, .team-bio:hover {
  box-shadow: 0 8px 50px 0 rgba(35,41,62,0.10), 0 1.5px 5px rgba(24,28,47,0.06);
  border-color: var(--brand-secondary);
  transform: translateY(-2px) scale(1.012);
}

/* Misc: Hide element (.hidden) */
.hidden {
  display: none !important;
}