*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #f5f5f7;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: #ffffffee;
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e5e5;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

.logo span {
  font-weight: 700;
  letter-spacing: 0.05em;
}

.main-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
}

.main-nav a {
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
}

.main-nav a:hover {
  background: #f0f0f3;
}

/* Hamburger Button */

.nav-toggle {
  display: none; /* Desktop: unsichtbar */
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  margin: 4px 0;
  background: #111827;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

/* Animation für "X"-Icon */
.nav-toggle.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}


/* Hero */

.hero {
  padding: 3rem 0 2rem;
  background: linear-gradient(135deg, #f0f4ff, #fdfbff);
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2rem, 3vw, 2.8rem);
  margin-bottom: 0.75rem;
}

.hero p {
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* Sections */

.section {
  padding: 3rem 0;
  background: #f5f5f7;
}

.section-light {
  padding: 3rem 0;
  background: #ffffff;
}

.section-accent {
  padding: 3rem 0;
  background: #1f2933;
  color: #f9fafb;
}

.section h2 {
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.section p {
  max-width: 48rem;
}

/* Grid helpers */

.grid-2 {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1.5rem;
}

.grid-3 {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 1.5rem;
}

/* Cards */

.card {
  background: #ffffff;
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: #d1d5db;
  color: #111827;
}

.btn-primary:hover {
  background: #e5e7eb;
}

.btn-primary_1 {
  background: #2563eb;
  color: #ffffff;
}

.btn-primary_1:hover {
  background: #1d4ed8;
}

.btn-secondary {
  background: #f59e0b;
  color: #ffffff;
}

.btn-secondary:hover {
  background: #2563eb;
}

.btn-secondary_2 {
  background: #e5e7eb;
  color: #111827;
}

.btn-secondary_2:hover {
  background: #d1d5db;
}

/* Tabelle */

.table-wrapper {
  overflow-x: auto;
  margin-top: 1.5rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 500px;
  background: #ffffff;
  border-radius: 12px;
  overflow: hidden;
}

thead {
  background: #111827;
  color: #f9fafb;
}

th,
td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e5e7eb;
  font-size: 0.95rem;
}

tbody tr:nth-child(even) {
  background: #f9fafb;
}

/* FAQ */

.faq-item + .faq-item {
  margin-top: 1rem;
}

.faq-item h3 {
  font-size: 1rem;
  margin-bottom: 0.3rem;
}

/* Kontakt */

.contact-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
}

.contact-form {
  background: #111827;
  border-radius: 12px;
  padding: 1.5rem;
}

.contact-form label {
  display: block;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border-radius: 8px;
  border: 1px solid #374151;
  padding: 0.5rem 0.6rem;
  margin-top: 0.3rem;
  font-family: inherit;
  font-size: 0.95rem;
  background: #020617;
  color: #f9fafb;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid #2563eb;
  outline-offset: 1px;
}

/* Footer */

.site-footer {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.85rem;
  background: #020617;
  color: #9ca3af;
}

/* Responsive */

@media (max-width: 980px) {
  .hero-inner,
  .grid-2,
  .grid-3,
  .download-box {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 2.25rem;
  }

  /* Mobile: Burger sichtbar, Menü zunächst versteckt */
  .nav-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    display: none;
    flex-direction: column;
    padding: 0.5rem 1.5rem 1rem;
    gap: 0.25rem;
  }

  .main-nav a {
    padding: 0.4rem 0;
    border-radius: 0;
  }

  .main-nav.open {
    display: flex;
  }

  .header-inner {
    justify-content: space-between;
    position: relative;
  }
}


@media (max-width: 600px) {
  .hero {
    padding: 2rem 0 1.5rem;
  }

  .section,
  .section-light,
  .section-accent {
    padding: 2rem 0;
  }
}