:root {
  --blue-dark: #1e3f62;
  --blue: #325d8a;
  --grey-bg: #f2f2f2;
  --grey-footer: #4a4a4a;
  --white: #ffffff;
  --accent: #ffcc33;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: var(--grey-bg);
  color: #222;
  line-height: 1.6;
}

/* Header */

.top {
  background: var(--blue);
  color: #fff;
}

.top-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 70px;
  height: 70px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
}

.brand h1 {
  margin: 0;
  font-size: 1.5rem;
}

.brand p {
  margin: 0;
  font-size: 0.9rem;
}

.header-contact {
  font-size: 0.9rem;
  text-align: right;
}

.header-contact a {
  color: #d0e4ff;
  text-decoration: none;
}

.header-contact a:hover {
  text-decoration: underline;
}

/* Navigation */

.nav {
  background: var(--blue-dark);
  color: #fff;
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
}

.nav-links a:hover {
  text-decoration: underline;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid #fff;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* Hero */

.hero {
  background: linear-gradient(135deg, #325d8a, #1e3f62);
  color: #fff;
  padding: 32px 16px;
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.3fr);
  gap: 24px;
  align-items: flex-start;
}

.hero-text h2 {
  margin-top: 0;
  font-size: 1.9rem;
}

.hero-text p {
  margin-bottom: 0.8rem;
}

.hero-text ul {
  padding-left: 18px;
  margin: 0;
}

.hero-box {
  background: rgba(0, 0, 0, 0.25);
  padding: 16px 18px;
  border-radius: 10px;
  font-size: 0.95rem;
}

.hero-box h3 {
  margin-top: 0;
}

/* Layout Hauptbereich */

.layout {
  max-width: 1100px;
  margin: 24px auto 40px;
  padding: 0 16px;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 24px;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.side-box {
  background: #fff;
  padding: 14px 16px;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
  font-size: 0.95rem;
}

.side-box h3 {
  margin-top: 0;
  font-size: 1.05rem;
  border-left: 4px solid var(--blue);
  padding-left: 8px;
}

.content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.content-section {
  background: #fff;
  padding: 20px 22px;
  border-radius: 6px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.content-section h2 {
  margin-top: 0;
  font-size: 1.6rem;
  border-bottom: 2px solid var(--blue);
  padding-bottom: 6px;
  margin-bottom: 12px;
}

/* Cards Leistungen */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 12px;
}

.card {
  background: #f9f9f9;
  padding: 12px 14px;
  border-radius: 6px;
  border-left: 4px solid var(--blue);
  font-size: 0.94rem;
}

.card h3 {
  margin-top: 0;
  font-size: 1.05rem;
}

/* Kontaktbereich */

.kontakt-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1.5fr);
  gap: 20px;
  align-items: flex-start;
}

.kontakt-info h3 {
  margin-top: 0;
}

.kontakt-info a {
  color: var(--blue-dark);
  text-decoration: none;
}

.kontakt-info a:hover {
  text-decoration: underline;
}

.kontakt-form h3 {
  margin-top: 0;
}

.hint {
  font-size: 0.85rem;
  color: #555;
  background: #f7f7f7;
  padding: 8px;
  border-radius: 4px;
}

/* Formular */

form {
  margin-top: 10px;
}

.form-row {
  margin-bottom: 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

label {
  font-size: 0.9rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  padding: 8px;
  border-radius: 4px;
  border: 1px solid #ccc;
  font-family: inherit;
  font-size: 0.95rem;
}

textarea {
  resize: vertical;
}

.checkbox-row {
  font-size: 0.85rem;
}

button[type="submit"] {
  padding: 9px 16px;
  border-radius: 4px;
  border: none;
  background: var(--blue-dark);
  color: #fff;
  font-size: 0.95rem;
  cursor: pointer;
}

button[type="submit"]:hover {
  background: var(--blue);
}

/* Footer */

.footer {
  background: var(--grey-footer);
  color: #ddd;
  padding: 18px 16px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}

.footer-nav {
  margin-bottom: 6px;
}

.footer-nav a {
  color: #d0e4ff;
  text-decoration: none;
  margin: 0 8px;
  font-size: 0.9rem;
}

.footer-nav a:hover {
  text-decoration: underline;
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
}

/* Responsive */

@media (max-width: 900px) {
  .top-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-contact {
    text-align: left;
  }

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

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

  .sidebar {
    order: 2;
  }

  .content {
    order: 1;
  }
}

@media (max-width: 700px) {
  .nav-toggle {
    display: inline-block;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    gap: 8px;
    margin-top: 8px;
  }

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

  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .logo {
    width: 60px;
    height: 60px;
  }

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