:root {
  --accent: #00c7d4;
  --text-light: #1a1a1a;
  --text-dark: #e9e9e9;
  --bg-light: #ffffff;
  --bg-dark: #0c0c0e;
  --muted-light: #666;
  --muted-dark: #999;
  --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --navbar-height: 70px;
}

/* Light Mode (Default) */
body {
  background-color: var(--bg-light);
  color: var(--text-light);
}

body .muted {
  color: var(--muted-light);
}

/* Dark Mode */
body.dark {
  background-color: var(--bg-dark);
  color: var(--text-dark);
}

body.dark .muted {
  color: var(--muted-dark);
}

body {
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  scroll-behavior: smooth;
  line-height: 1.7;
  transition: background-color var(--transition), color var(--transition);
  padding-top: var(--navbar-height);
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  z-index: 1000;
  transition: all var(--transition);
  display: flex;
}

/* Light Mode Navbar */
.navbar {
  background: rgba(255, 255, 255, 0.95);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

/* Dark Mode Navbar */
body.dark .navbar {
  background: rgba(12, 12, 14, 0.95);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.navbar.scrolled {
  box-shadow: 0 4px 32px rgba(0, 0, 0, 0.12);
}

.navbar-container {
  display: flex;
  align-items: center;       /* vertikal mittig */
  justify-content: space-between;
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 5%;
}

.navbar-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
  transition: all var(--transition);
  order: 1; /* Ensure logo is first */
}

.logo-text {
  color: var(--text-light);
  transition: all var(--transition);
}

.logo-accent {
  color: var(--accent);
  margin-left: 0.2rem;
}

body.dark .logo-text {
  color: var(--text-dark);
}

.navbar-logo:hover {
  transform: scale(1.02);
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  order: 2; /* Menu comes second on desktop */
}

.navbar-nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 2.5rem;
  align-items: center;
}

.nav-link {
  color: var(--text-light);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition);
  position: relative;
  padding: 0.5rem 0;
}

body.dark .nav-link {
  color: var(--text-dark);
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-cta {
  background: var(--accent);
  color: white !important;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  font-weight: 600;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: transparent;
  color: var(--accent) !important;
  border: 1px solid var(--accent);
}

.nav-cta::after {
  display: none;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem; /* vorher 1rem */
  margin-left: auto; /* schiebt Actions (Toggle etc.) nach rechts */
}

.theme-toggle {
  background: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.6rem;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  order: 3; /* Theme toggle comes third on desktop */
  margin-left: 0.5rem; /* extra Abstand zum Logo */
}

/* Dropdown Menu */
.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: 12px;
  padding: 0.5rem 0;
  min-width: 200px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition);
  z-index: 1001;
}

body.dark .dropdown-menu {
  background: rgba(12, 12, 14, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li {
  list-style: none;
}

.dropdown-menu a {
  display: block;
  padding: 0.8rem 1.5rem;
  color: var(--text-light);
  text-decoration: none;
  font-size: 0.9rem;
  transition: all var(--transition);
}

body.dark .dropdown-menu a {
  color: var(--text-dark);
}

.dropdown-menu a:hover {
  background: rgba(0, 199, 212, 0.1);
  color: var(--accent);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  order: 3; /* On desktop, position actions at the end of navbar */
}

/* Mobile Navigation */
.navbar-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
  padding: 0.5rem;
  order: 4; /* Navbar toggle comes last (hidden on desktop) */
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--accent);
  transition: all var(--transition);
  border-radius: 2px;
}

.navbar-toggle.active .hamburger:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.navbar-toggle.active .hamburger:nth-child(2) {
  opacity: 0;
}

.navbar-toggle.active .hamburger:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

@media (max-width: 768px) {
  /* Navbar fixiert, bleibt oben */
  .navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10000;
  }

  /* Container bleibt sichtbar */
  .navbar-container {
    position: relative;
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5%;
  }

  /* Menü Overlay */
  .navbar-menu {
    position: fixed;
    top: var(--navbar-height);
    left: 0;
    width: 100vw;
    height: calc(100vh - var(--navbar-height));
    background: var(--bg-light);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 2.5rem 10% 3rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition);
    z-index: 9999;
    overflow-y: auto;
  }

  body.dark .navbar-menu {
    background: var(--bg-dark);
  }

  .navbar-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* Kein Scrollen im Hintergrund */
  body.menu-open,
  html.menu-open {
    overflow: hidden !important;
    height: 100%;
    touch-action: none;          /* verhindert Touch-Scroll auf iOS */
    position: fixed;             /* fixiert Seite */
    width: 100%;
  }

  /* Navigation Items */
  .navbar-nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    width: 100%;
  }

  .nav-link {
    font-size: 1.2rem;
    font-weight: 500;
    width: 100%;
    text-decoration: none;
    padding: 0.6rem 0;
    transition: color var(--transition);
  }

  .nav-link:hover {
    color: var(--accent);
  }

  /* Dropdown */
  .nav-dropdown .dropdown-menu {
    position: static;
    display: none;
    flex-direction: column;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    margin-top: 0.5rem;
    padding: 0.8rem 1rem;
    width: 100%;
  }

  body.dark .nav-dropdown .dropdown-menu {
    background: rgba(255, 255, 255, 0.05);
  }

  .nav-dropdown.open .dropdown-menu {
    display: flex;
    animation: fadeIn 0.3s ease;
  }

  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Dropdown Links */
  .dropdown-menu a {
    font-size: 1rem;
    padding: 0.4rem 0;
    text-decoration: none;
  }

  /* CTA-Button */
  .navbar-actions {
    margin-top: auto;
    width: 100%;
  }

  .nav-cta {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 1.4rem;
    border-radius: 8px;
    background: var(--accent);
    color: #fff !important;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    width: fit-content;
  }

  .nav-cta:hover {
    opacity: 0.9;
    transform: translateY(-2px);
  }

  /* Burger sichtbar */
  .navbar-toggle,
  .theme-toggle {
    z-index: 10002;
    position: relative;
  }

  /* Theme-Toggle verstecken, wenn Menü offen */
  body.menu-open .theme-toggle {
    display: none;
  }

  /* Hamburger-Styling */
  .navbar-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
  }

  .hamburger {
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: all var(--transition);
  }

  .navbar-toggle.active .hamburger:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }

  .navbar-toggle.active .hamburger:nth-child(2) {
    opacity: 0;
  }

  .navbar-toggle.active .hamburger:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 8% 3rem; 
  background: linear-gradient(135deg, rgba(0, 199, 212, 0.05) 0%, rgba(0, 199, 212, 0.02) 100%);
  position: relative;
  overflow: hidden;
  /* min-height: calc(100vh - var(--navbar-height)); */
  min-height: auto;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: 
    repeating-linear-gradient(90deg, rgba(0, 100, 120, 0.08) 0 1px, transparent 1px 100%),
    repeating-linear-gradient(0deg, rgba(0, 100, 120, 0.08) 0 1px, transparent 1px 100%);
  background-size: 40px 40px;
  animation: moveGrid 20s linear infinite;
  z-index: -1;
  transition: background-image 0.3s ease, opacity 0.3s ease;
}

@keyframes moveGrid {
  from { background-position: 0 0, 0 0; }
  to { background-position: 100px 100px, 100px 100px; }
}

.hero h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 600;
  margin-bottom: 1rem;
}

.hero p {
  max-width: 800px;
  margin: 0 auto 2.5rem;
  font-size: 1.1rem;
}

/* Global link styles */
a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(0, 199, 212, 0.4);
}

a:visited {
  color: var(--accent);
}

a:hover {
  color: var(--accent);
  text-decoration-color: currentColor;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.9rem 2rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  text-decoration: none;
  border-radius: 8px;
  transition: all var(--transition);
  font-weight: 500;
  cursor: pointer;
}

.btn:hover {
  background-color: var(--accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 199, 212, 0.3);
}

.btn-primary {
  background-color: var(--accent);
  color: white;
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--accent);
}

/* Ensure anchor-specific visited styles don't break button colors */
a.btn:link,
a.btn:visited {
  text-decoration: none;
}

a.btn-primary:link,
a.btn-primary:visited {
  color: white;
}

/* Sections */
section {
  padding: 6rem 10%;
  max-width: 1200px;
  margin: 0 auto;
  opacity: 1; /* visible by default (no-JS safe) */
  transform: none;
}

/* Enable reveal animation only when JS is active */
body.has-animations section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

body.has-animations section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Disable reveal animation on Impressum page */
body.has-animations section#impressum-content {
  opacity: 1;
  transform: none;
  transition: none;
}

/* Disable reveal animation on Datenschutz page */
body.has-animations section#datenschutz-content {
  opacity: 1;
  transform: none;
  transition: none;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  text-align: left;
}

.accent {
  color: var(--accent);
}

.trust {
  text-align: center;
  font-size: 1.4rem;
  margin-bottom: 4rem;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* Cards */
.card {
  border-radius: 14px;
  padding: 2.2rem;
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--transition);
  background-color: rgba(255, 255, 255, 0.02);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* Light Mode Cards */
.card {
  border: 1px solid rgba(0, 0, 0, 0.07);
}

/* Dark Mode Cards */
body.dark .card {
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.08);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #00a8b5);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.card:hover::before {
  transform: scaleX(1);
}

/* Ensure CTA buttons align at the bottom across cards */
.card .btn {
  margin-top: auto;
  align-self: flex-start;
}

/* Impressum: vertical spacing between stacked cards */
#impressum-content > .card {
  margin-bottom: 2rem;
}

#impressum-content > .card:last-child {
  margin-bottom: 0;
}

/* Datenschutz: vertical spacing between stacked cards */
#datenschutz-content > .card {
  margin-bottom: 2rem;
}

#datenschutz-content > .card:last-child {
  margin-bottom: 0;
}

/* Footer */
footer {
  text-align: center;
  padding: 4rem 10%;
  font-size: 0.9rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  margin-top: 4rem;
}

/* Light Mode Footer */
footer {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* Dark Mode Footer */
body.dark footer {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.muted {
  display: block;
  margin-top: 0.5rem;
}

/* Footer Links */
footer a {
  color: var(--muted-light);
  text-decoration: none;
  transition: all var(--transition);
}

footer a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Light Mode Footer Links */
footer a {
  color: var(--muted-light);
}

/* Dark Mode Footer Links */
body.dark footer a {
  color: var(--muted-dark);
}

/* Utility Classes */
.text-center {
  text-align: center;
}
.text-left {
  text-align: left;
}
.mb-1 {
  margin-bottom: 1rem;
}
.mb-2 {
  margin-bottom: 2rem;
}
.mb-3 {
  margin-bottom: 3rem;
}
.mt-1 {
  margin-top: 1rem;
}
.mt-2 {
  margin-top: 2rem;
}
.mt-3 {
  margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero {
    padding: 2.5rem 6% 2rem;
    min-height: auto;
  }

  section {
    padding: 4rem 5%;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .navbar {
    padding: 0 5%;
  }
}