/* CSS RESET & NORMALIZE */
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 {
  scroll-behavior: smooth;
  font-size: 16px;
}
body {
  background-color: #101C28;
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
  color: #F0F3F7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.7;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: #21A3B5;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover, a:focus {
  color: #24e2e7;
}
ul, ol {
  margin-left: 1.3em;
  padding-left: 1em;
}
button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
:focus {
  outline: 2px solid #21A3B5;
  outline-offset: 2px;
}

/* FONT IMPORTS (ASSUMPTION: IN HTML, else @import) */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;800&family=Roboto:wght@400;500;700&display=swap');

/* BRAND VARIABLES */
:root {
  --color-primary: #174E69;
  --color-secondary: #21A3B5;
  --color-accent: #F0F3F7;
  --color-bg: #101C28;
  --color-bg-soft: #182837;
  --color-text: #F0F3F7;
  --color-dark-text: #111826;
  --color-card: #182837;
  --color-testimonial-bg: #F0F3F7;
  --color-testimonial-text: #101C28;
  --neon-cyan: #24e2e7;
  --neon-blue: #21A3B5;
  --neon-violet: #7A5FFF;
  --shadow: 0 6px 20px rgba(16,60,90,0.18), 0 1.5px 3px rgba(22,163,181,0.08);
}

/* TYPOGRAPHY */
h1 {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 800;
  font-size: 2.8rem;
  margin-bottom: 16px;
  letter-spacing: 0.005em;
}
h2 {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: 2rem;
  margin-bottom: 18px;
}
h3 {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 10px;
}
p, li, blockquote {
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--color-text);
}
blockquote {
  border-left: 4px solid var(--neon-cyan);
  padding-left: 18px;
  font-style: italic;
  color: var(--neon-cyan);
  margin: 28px 0 14px 0;
  font-size: 1.1rem;
}
.subheadline {
  color: #F0F3F7;
  opacity: 0.86;
  font-size: 1.25rem;
  margin-bottom: 24px;
}

strong {
  color: var(--neon-cyan);
  font-weight: 700;
}

/* SPACING AND CONTAINER LAYOUT */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* HEADER / NAVIGATION */
header {
  background: var(--color-bg-soft);
  box-shadow: 0 4px 16px 0 rgba(16,60,90,0.10);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
  max-width: 1200px;
  margin: 0 auto;
}
.main-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.main-nav a {
  color: var(--color-text);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 1rem;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.25s;
}
.main-nav a:after {
  content: '';
  display: block;
  height: 2px;
  width: 0px;
  background: linear-gradient(90deg, var(--neon-cyan), var(--neon-violet));
  transition: width 0.3s;
  margin-top: 2px;
}
.main-nav a:hover:after,
.main-nav a:focus:after {
  width: 100%;
}
.main-nav a:hover,
.main-nav a:focus {
  color: var(--neon-cyan);
}

.cta-primary {
  background: linear-gradient(90deg, #21A3B5, #7A5FFF);
  color: #fff;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: 1.12rem;
  letter-spacing: 0.04em;
  padding: 13px 32px;
  border-radius: 40px;
  box-shadow: 0 2px 10px 0 rgba(36,226,231,0.10);
  transition: background 0.24s, box-shadow 0.24s, transform 0.13s;
  margin-left: 12px;
  border: none;
  position: relative;
  z-index: 1;
  display: inline-block;
  text-shadow: 0 1px 5px #1c5574;
}
.cta-primary:hover,
.cta-primary:focus {
  background: linear-gradient(90deg, #24e2e7, #21A3B5);
  color: #fff;
  box-shadow: 0 6px 20px var(--neon-cyan);
  transform: translateY(-2px) scale(1.03);
}

.mobile-menu-toggle {
  display: none;
  height: 40px;
  width: 44px;
  background: var(--color-primary);
  color: var(--neon-cyan);
  font-size: 2rem;
  border-radius: 8px;
  border: 2px solid var(--neon-cyan);
  align-items: center;
  justify-content: center;
  transition: background 0.2s, color 0.2s;
  z-index: 201;
}
.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
  background: var(--neon-cyan);
  color: var(--color-primary);
}

/* MOBILE MENU STYLES */
.mobile-menu {
  position: fixed;
  top: 0;
  right: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(16,28,40, 0.97);
  transform: translateX(100%);
  opacity: 0;
  transition: transform 0.36s cubic-bezier(.45,1.2,.66,.99), opacity 0.22s;
  z-index: 255;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 40px 24px 24px 24px;
  gap: 24px;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
}
.mobile-menu-close {
  position: absolute;
  right: 24px;
  top: 24px;
  background: none;
  color: var(--neon-cyan);
  font-size: 2.2rem;
  border: none;
  z-index: 10;
  cursor: pointer;
  transition: color 0.21s;
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  color: #fff;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}
.mobile-nav a {
  color: #fff;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1.18rem;
  font-weight: 600;
  padding: 18px 0 10px 0;
  border-bottom: 1px solid rgba(33, 163, 181,0.14);
  transition: color 0.2s, background 0.18s;
}
.mobile-nav a:focus, .mobile-nav a:hover {
  color: var(--neon-cyan);
  background: rgba(36,226,231,0.07);
}

/* HERO & SECTION LAYOUTS */
section {
  margin-bottom: 60px;
  padding: 40px 20px;
}

.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  margin-top: 12px;
  margin-bottom: 24px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--color-card);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 32px 32px 24px 32px;
  min-width: 250px;
  max-width: 340px;
  flex: 1 1 300px;
  border: 1.5px solid rgba(122,95,255,0.07);
  position: relative;
  transition: border 0.18s;
}
.feature-item:hover, .feature-item:focus-within {
  border: 1.5px solid var(--neon-violet);
  box-shadow: 0 5px 40px #21A3B518;
}
.feature-item img {
  height: 42px;
  width: 42px;
  margin-bottom: 10px;
  filter: drop-shadow(0 0 10px var(--neon-cyan));
}
.feature-item h3 {
  color: var(--neon-cyan);
}

/* CARDS CONTAINER */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-card);
  border-radius: 18px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  position: relative;
  flex: 1 1 300px;
  padding: 26px 22px;
  min-width: 240px;
  max-width: 370px;
  border: 1.5px solid rgba(122,95,255,0.067);
  transition: border 0.18s;
}
.card:hover, .card:focus-within {
  border: 1.5px solid var(--neon-cyan);
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

/* CONTENT GRID (Flexbox Only) */
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
}

/* TEXT-IMAGE SECTION */
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}

/* TESTIMONIALS */
.testimonials {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin-top: 10px;
  margin-bottom: 28px;
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 30px 20px 26px;
  background: var(--color-testimonial-bg);
  color: var(--color-testimonial-text);
  border-radius: 18px;
  box-shadow: 0 2px 18px 0 rgba(23,78,105,0.13);
  min-width: 260px;
  max-width: 370px;
  flex: 1 1 320px;
  margin-bottom: 20px;
  border-left: 5px solid var(--neon-cyan);
  transition: box-shadow 0.2s, border 0.22s;
}
.testimonial-card p {
  color: var(--color-testimonial-text);
  font-size: 1.02rem;
}
.testimonial-card strong {
  color: var(--neon-blue);
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 8px 32px 0 var(--neon-cyan), 0 2px 5px 0 rgba(61,50,85,0.07);
  border-left: 5px solid var(--neon-violet);
}

.logo-wall {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 32px;
  margin-top: 18px;
}
.logo-wall img {
  height: 38px;
  opacity: 0.74;
  transition: opacity 0.17s;
}
.logo-wall img:hover {
  opacity: 1;
}

/* FOOTER */
footer {
  background: var(--color-bg-soft);
  padding: 36px 20px 10px 20px;
  color: #D5E5F5;
  font-size: 1rem;
  margin-top: 60px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  justify-content: center;
  margin-bottom: 16px;
}
.footer-nav a {
  color: var(--neon-cyan);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  text-shadow: 0 1.5px 8px #174E69AA;
  transition: color 0.19s;
}
.footer-nav a:hover,
.footer-nav a:focus {
  color: var(--neon-violet);
}
.footer-info {
  text-align: center;
  font-size: 0.98rem;
  color: #617889;
}

/* FORMS (if used) */
input, textarea {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1.5px solid var(--neon-cyan);
  background: #11212F;
  color: var(--color-text);
  margin-bottom: 18px;
  font-size: 1rem;
  width: 100%;
  transition: border 0.19s, box-shadow 0.16s;
}
input:focus, textarea:focus {
  border: 1.5px solid var(--neon-violet);
  box-shadow: 0 0 0 2px var(--neon-cyan)44;
}

/* COOKIE BANNER */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-card);
  color: var(--color-text);
  border-top: 2.5px solid var(--neon-cyan);
  box-shadow: 0 -3px 36px 0 rgba(33,163,181,0.16);
  z-index: 1001;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 22px 18px 18px 18px;
  width: 100vw;
  max-width: 100vw;
  font-size: 1rem;
  animation: cookie-banner-in 0.38s cubic-bezier(.4,1.5,.77,.95);
  box-sizing: border-box;
}
@keyframes cookie-banner-in {
  from { transform: translateY(140%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner-content {
  text-align: center;
  margin-bottom: 10px;
}
.cookie-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  margin-top: 6px;
}
.cookie-btn {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 8px 24px;
  border-radius: 34px;
  border: none;
  margin: 0 7px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, transform 0.13s;
}
.cookie-accept {
  background: var(--neon-cyan);
  color: var(--color-bg);
  box-shadow: 0 1.5px 12px 0 var(--neon-cyan)44;
}
.cookie-accept:hover, .cookie-accept:focus {
  background: var(--neon-violet);
  color: #fff;
}
.cookie-reject {
  background: var(--color-bg-soft);
  color: var(--neon-cyan);
  border: 2px solid var(--neon-cyan);
}
.cookie-reject:hover, .cookie-reject:focus {
  background: var(--neon-cyan);
  color: var(--color-bg);
}
.cookie-settings {
  background: transparent;
  color: var(--neon-blue);
  border: 2px solid var(--neon-blue);
}
.cookie-settings:hover, .cookie-settings:focus {
  background: var(--neon-blue);
  color: var(--color-bg);
}

/* COOKIE PREFERENCES MODAL */
.cookie-modal {
  position: fixed;
  left: 0;
  top: 0;
  z-index: 1002;
  width: 100vw;
  height: 100vh;
  background: rgba(16,28,40, 0.97);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cookie-modal.open {
  opacity: 1;
  pointer-events: all;
}
.cookie-modal-content {
  background: var(--color-card);
  color: var(--color-text);
  border-radius: 18px;
  max-width: 380px;
  box-shadow: 0 2px 36px 0 var(--neon-violet)46;
  padding: 30px 25px 28px 25px;
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: relative;
  animation: cookie-modal-in 0.4s cubic-bezier(.45,1.2,.66,.99);
}
@keyframes cookie-modal-in {
  from { transform: scale(0.9) translateY(64px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.cookie-modal-close {
  position: absolute;
  right: 18px;
  top: 18px;
  background: none;
  color: var(--neon-cyan);
  font-size: 1.8rem;
  border: none;
  cursor: pointer;
}
.cookie-modal h3 {
  font-size: 1.18rem;
  margin-bottom: 8px;
}
.cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 13px;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 7px 0;
}
.cookie-category label {
  font-size: 1rem;
}
.cookie-category input[type="checkbox"]:not(:checked) {
  accent-color: var(--color-bg);
  border: 2px solid var(--neon-violet);
}
.cookie-category input[type="checkbox"]:checked {
  accent-color: var(--neon-cyan);
  border: 2px solid var(--neon-cyan);
}

/* Accessibility Colors for Cookie Modal */
.cookie-modal strong {
  color: var(--neon-blue);
}

/* Responsive Design */
@media (max-width: 1050px) {
  .container {
    max-width: 920px;
  }
  .feature-item { min-width: 220px; max-width: 330px; }
}
@media (max-width: 900px) {
  .header-inner, .container {
    max-width: 100%;
    padding-left: 12px;
    padding-right: 12px;
  }
  .feature-grid, .testimonials, .card-container {
    gap: 18px;
  }
  .feature-item, .testimonial-card, .card { max-width: 98vw; min-width: 200px; }
}
@media (max-width: 768px) {
  h1 { font-size: 2.1rem; }
  h2 { font-size: 1.3rem; }
  .main-nav {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .header-inner {
    gap: 14px;
    flex-wrap: wrap;
  }
  section {
    padding: 30px 5vw;
  }
  .content-wrapper {
    gap: 16px;
  }
  .feature-grid, .testimonials, .logo-wall, .card-container {
    flex-direction: column;
    gap: 17px;
    align-items: stretch;
  }
  .feature-item, .testimonial-card, .card {
    min-width: 0;
    width: 100%;
    max-width: 100%;
  }
  .logo-wall {
    gap: 14px;
    justify-content: flex-start;
  }
  .text-image-section {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }
  .footer-nav {
    gap: 14px;
    margin-bottom: 10px;
    font-size: 0.96rem;
  }
  .footer-info {
    font-size: 0.95rem;
  }
  .cookie-modal-content {
    max-width: 95vw;
    padding: 20px 10px 18px 10px;
  }
}
@media (max-width: 500px) {
  h1 { font-size: 1.38rem; }
  h2 { font-size: 1.04rem; }
  .cta-primary {
    font-size: 0.98rem;
    padding: 11px 16px;
  }
  .cookie-banner {
    font-size: 0.98rem;
    padding: 14px 3vw 10px 3vw;
  }
}

/* --- Custom Scrollbar for Futuristic Feel --- */
::-webkit-scrollbar { width: 9px; background: var(--color-bg-soft); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--neon-cyan), var(--neon-violet));
  border-radius: 7px;
}

/* Utility: hide visually (for e.g. accessibility use) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------ */
/* VISUAL MICRO-INTERACTIONS */
/* ------------------------ */
.card, .feature-item, .cta-primary, .cookie-btn, .testimonial-card {
  transition: box-shadow 0.2s, transform 0.14s, border 0.17s, background 0.22s;
}
.card:active, .feature-item:active, .testimonial-card:active {
  transform: scale(0.98);
}
.cta-primary:active { transform: scale(0.97); }

/* Hamburger nav icon extra touch */
.mobile-menu-toggle span,
.mobile-menu-toggle::before,
.mobile-menu-toggle::after { display:none; } /* Icon is ☰ by button label */

/* Highlighted list tick/icon (if desired) */
ul > li {
  position: relative;
  padding-left: 1.5em;
  margin-bottom: 10px;
}
ul > li img {
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  margin: 0;
  filter: drop-shadow(0 0 6px var(--neon-cyan));
}

/* List anchor styling in Leistungen, etc */
ul li a {
  color: var(--neon-violet);
  font-weight: 600;
  text-decoration: underline;
  transition: color 0.2s;
}
ul li a:hover, ul li a:focus {
  color: var(--neon-cyan);
}

/* For visually separating the sections */
section:not(:last-child) {
  border-bottom: 1.2px solid rgba(122,95,255,0.04);
}

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