/* ===== DIESELTEC – Gemeinsames Stylesheet ===== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --rot:       #833526;
  --dunkel:    #222222;
  --grau:      #888888;
  --hellgrau:  #f0f0f0;
  --weiss:     #ffffff;
  --border:    #cccccc;
  --mainbg:	   #f9f9f9;
  --max:       1200px;
  --radius:    3px;
  --font:      'Segoe UI', Arial, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  color: var(--dunkel);
  background: var(--mainbg);
  line-height: 1.6;
}

/* ===== HEADER ===== */
header {
  background: var(--mainbg);
  border-bottom: 1px solid var(--hellgrau);
  padding: 0 20px;
}

.header-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.logo img {
  height: 44px;
  width: auto;
  display: block;
}

/* Desktop-Nav */
nav ul {
  list-style: none;
  display: flex;
  gap: 6px;
  align-items: center;
  position: relative;
}

nav a {
  text-decoration: none;
  color: var(--dunkel);
  font-size: 15px;
  padding: 8px 14px;
  border-radius: var(--radius);
  transition: background 0.15s;
  white-space: nowrap;
}

nav a:hover, nav a.active {
  background: var(--hellgrau);
}

/* Dropdown */
.dropdown { position: relative; }

.dropdown > a::after {
  content: ' ▾';
  font-size: 11px;
  opacity: 0.6;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--weiss);
  border: 1px solid var(--hellgrau);
  border-radius: var(--radius);
  min-width: 200px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  z-index: 100;
}

.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
  display: block;
}

.dropdown-menu li a {
  display: block;
  padding: 10px 16px;
  border-radius: 0;
}

.dropdown-menu li a:hover {
  background: var(--hellgrau);
}

/* Burger */
.burger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dunkel);
  transition: all 0.2s;
}

/* Mobile-Nav */
.mobile-nav {
  display: none;
  background: var(--weiss);
  border-top: 1px solid var(--hellgrau);
  padding: 10px 20px 16px;
}

.mobile-nav.open { display: block; }

.mobile-nav ul { list-style: none; }

.mobile-nav a {
  display: block;
  padding: 10px 0;
  color: var(--dunkel);
  text-decoration: none;
  border-bottom: 1px solid var(--hellgrau);
  font-size: 15px;
}

.mobile-nav a:hover { color: var(--rot); }

/* ===== LAYOUT ===== */
.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

main {
  padding: 40px 20px;
  max-width: var(--max);
  margin: 0 auto;
}

/* ===== ARTIKEL / CONTENT ===== */
.content-wrap {
  background: var(--weiss);
  border: 2px solid var(--hellgrau);
  border-radius: 10px;
  padding: 30px 36px;
}

.content-wrap h2 {
  font-size: 22px;
  margin-bottom: 20px;
  color: var(--dunkel);
}

.content-wrap h3 {
  font-size: 17px;
  margin: 24px 0 8px;
  color: var(--dunkel);
}

.content-wrap h4 {
  font-size: 15px;
  margin: 16px 0 6px;
  color: var(--dunkel);
}

.content-wrap p { margin-bottom: 12px; }

.content-wrap ul {
  margin: 8px 0 14px 20px;
}

.content-wrap ul li { margin-bottom: 4px; }

.content-wrap a { color: var(--rot); }
.content-wrap a:hover { text-decoration: underline; }

.content-wrap table {
  border-collapse: collapse;
  margin: 10px 0;
}

.content-wrap table td {
  padding: 4px 16px 4px 0;
  vertical-align: top;
}

/* Startseite: Bild float */
.content-wrap img.rechts {
  float: right;
  margin: 0 0 20px 24px;
  max-width: 45%;
  height: auto;
  border-radius: var(--radius);
}

/* ===== KONTAKTFORMULAR ===== */
.form-wrap {
  background: var(--weiss);
  border: 2px solid var(--hellgrau);
  border-radius: 10px;
  padding: 30px 36px;
  max-width: 700px;
}

.form-wrap h2 {
  font-size: 21px;
  margin-bottom: 24px;
}

.form-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.form-group {
  display: flex;
  flex-direction: column;
  flex: 1 1 200px;
  margin-bottom: 14px;
}

.form-group.full { flex: 1 1 100%; }

label {
  font-size: 14px;
  color: var(--grau);
  margin-bottom: 5px;
}

label .req { color: var(--rot); margin-left: 2px; }

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px;
  font-size: 15px;
  color: var(--grau);
  font-family: var(--font);
  width: 100%;
  background: var(--weiss);
  transition: border-color 0.15s;
}

input::placeholder, textarea::placeholder { color: #88888870; }

input:focus, textarea:focus {
  outline: none;
  border-color: var(--rot);
}

textarea { resize: vertical; }

.checkbox-group {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 6px 0 16px;
}

.checkbox-group input[type="checkbox"] {
  width: 16px;
  height: 16px;
  margin-top: 3px;
  flex-shrink: 0;
  accent-color: var(--rot);
}

.checkbox-group label {
  font-size: 14px;
  color: var(--grau);
  margin: 0;
}

.checkbox-group a { color: var(--rot); }

.btn-submit {
  background: #444444;
  color: var(--weiss);
  border: none;
  border-radius: var(--radius);
  padding: 11px 22px;
  font-size: 15px;
  cursor: pointer;
  transition: background 0.15s;
}

.btn-submit:hover { background: var(--rot); }

.form-notice {
  margin-top: 16px;
  font-size: 13px;
  color: var(--grau);
  background: var(--hellgrau);
  border-radius: var(--radius);
  padding: 10px 14px;
}

/* ===== COOKIE-HINWEIS ===== */
.cookie-bar {
  background: #333;
  color: var(--weiss);
  font-size: 11px;
  padding: 12px 20px;
  line-height: 1.5;
}

.cookie-bar a { color: var(--rot); }

/* ===== FOOTER ===== */
footer {
  background: var(--rot);
  border-top: 1px solid var(--hellgrau);
  padding: 18px 20px;
  font-size: 13px;
  color: var(--grau);
}

.footer-inner {
  max-width: var(--max);
  margin: 0 auto;
  text-align: right;
}

.footer-inner a {
  color: var(--grau);
  text-decoration: none;
  margin-right: 6px;
}

.footer-inner a:hover { color: var(--weiss); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav.desktop-nav { display: none; }
  .burger { display: flex; }

  .content-wrap img.rechts {
    float: none;
    max-width: 100%;
    margin: 0 0 20px 0;
  }

  .content-wrap { padding: 20px; }
  .form-wrap { padding: 20px; }

  .form-row { flex-direction: column; gap: 0; }
}

@media (min-width: 769px) {
  .burger { display: none; }
  .mobile-nav { display: none !important; }
}