/* --- Tankpunkt Dortmund Creative Artistic CSS --- */

/* 1. CSS Variables for Brand & Artistic Palette */
:root {
  --color-primary: #25416D;
  --color-secondary: #E5E9EC;
  --color-accent: #F5B900;
  --color-bg: #F7F8FA;
  --color-bg-dark: #1A2233;
  --color-text: #222;
  --color-text-light: #fff;
  --color-card: #fff;
  --color-card-shadow: rgba(37,65,109,0.08);
  --color-card-shadow-strong: rgba(37,65,109,0.18);
  --color-creative1: #FF6F61;
  --color-creative2: #6DD3CE;
  --color-creative3: #F9A602;
  --color-creative4: #7B61FF;
  --font-display: 'Montserrat', 'Arial Rounded MT Bold', Arial, sans-serif;
  --font-body: 'Roboto', 'Segoe UI', Arial, sans-serif;
  --radius-lg: 2.2rem;
  --radius-md: 1.2rem;
  --radius-sm: 0.6rem;
  --shadow-card: 0 4px 24px var(--color-card-shadow);
  --shadow-card-hover: 0 8px 32px var(--color-card-shadow-strong);
  --transition: all 0.25s cubic-bezier(.5,1.5,.5,1);
  --section-spacing: 60px;
  --section-padding: 40px 20px;
  --gap-lg: 30px;
  --gap-md: 24px;
  --gap: 20px;
}

/* 2. Reset & Base Styles */
html {
  box-sizing: border-box;
  font-size: 16px;
  scroll-behavior: smooth;
}
*, *:before, *:after {
  box-sizing: inherit;
}
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.08rem;
  line-height: 1.7;
  min-height: 100vh;
  letter-spacing: 0.01em;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s;
}
a:hover, a:focus {
  color: var(--color-creative1);
}

/* 3. Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  margin-top: 0;
  margin-bottom: 0.5em;
  letter-spacing: 0.01em;
}
h1 {
  font-size: 2.6rem;
  color: var(--color-primary);
  text-shadow: 2px 2px 0 var(--color-accent), 0 2px 12px var(--color-creative2);
}
h2 {
  font-size: 2rem;
  color: var(--color-creative1);
  text-shadow: 1px 1px 0 var(--color-creative2);
}
h3 {
  font-size: 1.3rem;
  color: var(--color-creative4);
}
.subheadline {
  font-family: var(--font-display);
  font-size: 1.3rem;
  color: var(--color-creative2);
  margin-bottom: 1.5em;
  letter-spacing: 0.04em;
}
strong {
  color: var(--color-creative3);
}

/* 4. Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

/* Section Spacing & Artistic Backgrounds */
section {
  margin-bottom: var(--section-spacing);
  padding: var(--section-padding);
  border-radius: var(--radius-lg);
  background: linear-gradient(120deg, var(--color-secondary) 80%, var(--color-creative2) 100%);
  box-shadow: 0 2px 16px var(--color-card-shadow);
  position: relative;
  overflow: hidden;
}
section.hero {
  background: linear-gradient(110deg, var(--color-creative2) 0%, var(--color-accent) 100%);
  color: var(--color-primary);
  min-height: 340px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px var(--color-card-shadow-strong);
}
section.hero h1, section.hero .subheadline {
  color: var(--color-primary);
  text-shadow: 2px 2px 0 var(--color-accent), 0 2px 12px var(--color-creative2);
}

/* Artistic Decorative Elements */
section:before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, var(--color-creative1) 0%, transparent 80%);
  opacity: 0.13;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
}
section:after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, var(--color-creative4) 0%, transparent 80%);
  opacity: 0.10;
  z-index: 0;
  border-radius: 50%;
  pointer-events: none;
}

section > .container, section > .container > .content-wrapper {
  position: relative;
  z-index: 1;
}

/* 5. Flexbox Layout Patterns */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md);
}
.card {
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  position: relative;
  padding: 28px 22px;
  transition: var(--transition);
  min-width: 260px;
  flex: 1 1 260px;
}
.card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px) scale(1.025) rotate(-1deg);
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  justify-content: space-between;
}
.text-image-section {
  display: flex;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: linear-gradient(100deg, var(--color-secondary) 80%, var(--color-creative2) 100%);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1.1rem;
  transition: var(--transition);
}
.testimonial-card:hover {
  box-shadow: var(--shadow-card-hover);
  background: linear-gradient(100deg, var(--color-creative2) 60%, var(--color-secondary) 100%);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* Custom Grids for Features/Services/Images (Flexbox only) */
.feature_grid, .service_grid, .image_grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-md);
  justify-content: flex-start;
}
.feature_grid > div, .service_grid > div, .image_grid > div {
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  padding: 24px 18px;
  flex: 1 1 220px;
  min-width: 220px;
  margin-bottom: 20px;
  position: relative;
  transition: var(--transition);
}
.feature_grid > div:hover, .service_grid > div:hover, .image_grid > div:hover {
  box-shadow: var(--shadow-card-hover);
  background: linear-gradient(120deg, var(--color-creative2) 60%, var(--color-card) 100%);
  transform: translateY(-4px) scale(1.03) rotate(1deg);
}
.image_grid > div img {
  border-radius: var(--radius-md);
  margin-bottom: 10px;
}

/* 6. Buttons & Microinteractions */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 0.8em 2.2em;
  border-radius: var(--radius-md);
  border: none;
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 2px 8px var(--color-card-shadow);
  cursor: pointer;
  transition: var(--transition);
  margin-top: 10px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
  text-shadow: 0 1px 0 #fff8;
}
.button.primary {
  background: linear-gradient(90deg, var(--color-primary) 60%, var(--color-creative1) 100%);
  color: var(--color-text-light);
  text-shadow: 0 2px 8px var(--color-creative2);
}
.button:hover, .button:focus {
  background: linear-gradient(90deg, var(--color-creative1) 60%, var(--color-primary) 100%);
  color: var(--color-accent);
  box-shadow: 0 4px 16px var(--color-card-shadow-strong);
  transform: translateY(-2px) scale(1.04) rotate(-1deg);
}

/* 7. Tables (Kraftstoffpreise) */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  overflow: hidden;
  font-family: var(--font-body);
}
table th, table td {
  padding: 14px 10px;
  text-align: left;
}
table th {
  background: var(--color-creative2);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1.1rem;
}
table tr:nth-child(even) td {
  background: var(--color-secondary);
}
table tr:hover td {
  background: var(--color-creative2);
  color: var(--color-primary);
}

/* 8. Header & Navigation */
header {
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: 0;
  box-shadow: 0 2px 12px var(--color-card-shadow-strong);
}
header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--gap);
  padding-top: 12px;
  padding-bottom: 12px;
}
header img {
  height: 48px;
  width: auto;
  margin-right: 18px;
}
header nav {
  display: flex;
  gap: var(--gap);
  align-items: center;
}
header nav a {
  color: var(--color-text-light);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  position: relative;
}
header nav a:hover, header nav a:focus {
  background: var(--color-accent);
  color: var(--color-primary);
  text-shadow: 0 2px 8px var(--color-creative2);
}
header .button.primary {
  margin-left: 18px;
  margin-right: 0;
  font-size: 1rem;
  padding: 0.7em 1.8em;
}

/* Hamburger Menu Button */
.mobile-menu-toggle {
  display: none;
  background: var(--color-accent);
  color: var(--color-primary);
  border: none;
  border-radius: var(--radius-md);
  font-size: 2rem;
  padding: 0.3em 0.7em;
  margin-left: 10px;
  cursor: pointer;
  box-shadow: 0 2px 8px var(--color-card-shadow);
  transition: var(--transition);
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  background: var(--color-creative1);
  color: var(--color-text-light);
}

/* 9. Mobile Menu Overlay */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(120deg, var(--color-primary) 80%, var(--color-creative1) 100%);
  color: var(--color-text-light);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  padding: 0;
  transform: translateX(-100%);
  transition: transform 0.4s cubic-bezier(.7,1.7,.5,1);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 2.2rem;
  margin: 24px 0 0 24px;
  cursor: pointer;
  align-self: flex-start;
  transition: color 0.2s;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: var(--color-creative2);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin: 40px 0 0 36px;
}
.mobile-nav a {
  color: var(--color-text-light);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  padding: 10px 0;
  border-radius: var(--radius-md);
  transition: background 0.2s, color 0.2s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* 10. Footer */
footer {
  background: var(--color-primary);
  color: var(--color-text-light);
  padding: 36px 0 18px 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: 0 -2px 12px var(--color-card-shadow-strong);
}
footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap);
  align-items: flex-start;
  justify-content: space-between;
}
footer nav {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
footer nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  transition: color 0.2s;
}
footer nav a:hover, footer nav a:focus {
  color: var(--color-creative2);
}
.footer-contact {
  font-size: 0.98rem;
  color: var(--color-secondary);
  margin-top: 10px;
}

/* 11. Lists & Misc */
ul, ol {
  padding-left: 1.3em;
  margin-bottom: 1em;
}
ul li, ol li {
  margin-bottom: 0.5em;
  font-size: 1.05em;
  line-height: 1.6;
}
ul li::marker {
  color: var(--color-creative1);
}

/* 12. Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, var(--color-creative2) 60%, var(--color-accent) 100%);
  color: var(--color-primary);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  padding: 24px 16px 18px 16px;
  box-shadow: 0 -2px 16px var(--color-card-shadow-strong);
  font-family: var(--font-body);
  font-size: 1.08rem;
  animation: cookieBannerIn 0.7s cubic-bezier(.7,1.7,.5,1);
}
@keyframes cookieBannerIn {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.cookie-banner .cookie-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.cookie-banner button {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.7em 1.6em;
  cursor: pointer;
  margin: 0 2px;
  transition: var(--transition);
  box-shadow: 0 2px 8px var(--color-card-shadow);
}
.cookie-banner .accept {
  background: var(--color-primary);
  color: var(--color-accent);
}
.cookie-banner .accept:hover, .cookie-banner .accept:focus {
  background: var(--color-creative1);
  color: var(--color-text-light);
}
.cookie-banner .reject {
  background: var(--color-creative1);
  color: var(--color-text-light);
}
.cookie-banner .reject:hover, .cookie-banner .reject:focus {
  background: var(--color-primary);
  color: var(--color-accent);
}
.cookie-banner .settings {
  background: var(--color-creative2);
  color: var(--color-primary);
}
.cookie-banner .settings:hover, .cookie-banner .settings:focus {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* Cookie Modal */
.cookie-modal {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(37,65,109,0.75);
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cookie-modal.open {
  opacity: 1;
  pointer-events: auto;
}
.cookie-modal-content {
  background: var(--color-card);
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px var(--color-card-shadow-strong);
  padding: 36px 28px 28px 28px;
  min-width: 320px;
  max-width: 95vw;
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: cookieModalIn 0.5s cubic-bezier(.7,1.7,.5,1);
}
@keyframes cookieModalIn {
  from { transform: scale(0.8) translateY(40px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.cookie-modal-content h2 {
  color: var(--color-creative1);
  font-size: 1.5rem;
  margin-bottom: 0.5em;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 10px;
}
.cookie-category label {
  font-family: var(--font-body);
  font-size: 1.08rem;
  color: var(--color-primary);
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--color-creative2);
  width: 22px;
  height: 22px;
}
.cookie-category .always-on {
  color: var(--color-creative3);
  font-weight: 700;
  font-size: 1rem;
  margin-left: 8px;
}
.cookie-modal-content .modal-actions {
  display: flex;
  gap: 16px;
  margin-top: 18px;
}
.cookie-modal-content button {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.7em 1.6em;
  cursor: pointer;
  margin: 0 2px;
  transition: var(--transition);
  box-shadow: 0 2px 8px var(--color-card-shadow);
}
.cookie-modal-content .close-modal {
  background: var(--color-creative1);
  color: var(--color-text-light);
}
.cookie-modal-content .close-modal:hover, .cookie-modal-content .close-modal:focus {
  background: var(--color-primary);
  color: var(--color-accent);
}

/* 13. Responsive Design (Mobile First) */
@media (max-width: 1024px) {
  .container {
    max-width: 96vw;
  }
  .feature_grid > div, .service_grid > div, .image_grid > div {
    min-width: 180px;
    flex: 1 1 180px;
  }
}
@media (max-width: 900px) {
  header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  footer .container {
    flex-direction: column;
    gap: 18px;
  }
}
@media (max-width: 768px) {
  section {
    padding: 28px 8px;
    margin-bottom: 38px;
  }
  .content-wrapper, .feature_grid, .service_grid, .image_grid {
    gap: 14px;
  }
  .feature_grid, .service_grid, .image_grid {
    flex-direction: column;
    align-items: stretch;
  }
  .feature_grid > div, .service_grid > div, .image_grid > div {
    min-width: 0;
    width: 100%;
    flex: 1 1 100%;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .card-container, .content-grid {
    flex-direction: column;
    gap: 14px;
  }
  header nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: inline-block;
  }
  header .button.primary {
    margin-left: 0;
    margin-top: 10px;
  }
}
@media (max-width: 480px) {
  h1 {
    font-size: 1.6rem;
  }
  h2 {
    font-size: 1.2rem;
  }
  .cookie-modal-content {
    padding: 18px 8px 14px 8px;
    min-width: 0;
  }
}

/* 14. Accessibility & Focus States */
a, button, input, select, textarea {
  outline: none;
  transition: box-shadow 0.2s;
}
a:focus, button:focus, input:focus, select:focus, textarea:focus {
  box-shadow: 0 0 0 3px var(--color-creative2);
  z-index: 2;
}

/* 15. Miscellaneous */
::-webkit-scrollbar {
  width: 10px;
  background: var(--color-secondary);
}
::-webkit-scrollbar-thumb {
  background: var(--color-creative2);
  border-radius: 8px;
}

/* 16. Artistic Details */
.card:before, .feature_grid > div:before, .service_grid > div:before {
  content: '';
  position: absolute;
  top: -18px; right: -18px;
  width: 48px; height: 48px;
  background: radial-gradient(circle, var(--color-creative3) 0%, transparent 80%);
  opacity: 0.13;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}
.card:after, .feature_grid > div:after, .service_grid > div:after {
  content: '';
  position: absolute;
  bottom: -12px; left: -12px;
  width: 32px; height: 32px;
  background: radial-gradient(circle, var(--color-creative4) 0%, transparent 80%);
  opacity: 0.10;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

/* 17. Hide Cookie Modal by Default */
.cookie-modal { display: none; }
.cookie-modal.open { display: flex; }

/* 18. Hide Mobile Menu by Default */
.mobile-menu { display: flex; }
.mobile-menu:not(.open) { display: flex; }

/* 19. Prevent Overlapping */
.card, .feature_grid > div, .service_grid > div, .image_grid > div, .testimonial-card {
  margin-bottom: 20px;
}

/* 20. Prevent Absolute Positioning for Content */
/* Only decorative elements use position: absolute as above */

/* --- END CSS --- */