/* ===========================================================
   CSS RESET & NORMALIZE
=========================================================== */
html {
  box-sizing: border-box;
  font-size: 16px;
}
*, *:before, *:after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
  border: 0;
}
body, h1, h2, h3, h4, h5, h6, p, ol, ul, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
  font-weight: normal;
}
ul, ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
  outline: 0;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
}
button {
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}
input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
}
:focus {
  outline: 2px solid #FFB41E;
  outline-offset: 2px;
}

/* ===========================================================
   ROOT VARIABLES (for fallback use)
=========================================================== */
:root {
  --color-primary: #194D72;
  --color-secondary: #E9F3FA;
  --color-accent: #FFB41E;
  --color-light: #fff;
  --color-dark: #17212B;
  --color-grey: #f8fafc;
  --color-border: #e1e7ee;
  --shadow-card: 0 4px 16px 0 rgba(25, 77, 114, 0.08);
  --radius-card: 18px;
  --radius-btn: 24px;
  --transition-fast: 0.22s cubic-bezier(.4,0,.2,1);
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;
}


/* ===========================================================
   BODY & BASE TYPOGRAPHY
=========================================================== */
body {
  min-height: 100vh;
  background: linear-gradient(135deg, #f8fafc 0% , #e9f3fa 100%);
  color: var(--color-dark);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5em;
}
h1 { font-size: 2.5rem; line-height: 1.2; }
h2 { font-size: 2rem; line-height: 1.28; }
h3 { font-size: 1.35rem; line-height: 1.26; }
h4 { font-size: 1.15rem; }
p, ul, ol, li, blockquote {
  font-size: 1rem;
  color: var(--color-dark);
  margin-bottom: 1em;
  font-weight: 400;
}
blockquote {
  font-style: italic;
  background: var(--color-secondary);
  border-left: 4px solid var(--color-accent);
  padding: 20px 30px;
  border-radius: var(--radius-card);
  margin: 24px 0;
}
strong, b {
  font-weight: 700;
  color: var(--color-primary);
}
ul, ol {
  padding-left: 1.3em;
  margin-bottom: 1em;
}
ul li, ol li { margin-bottom: 0.5em; }

/* Typography small utility classes */
.text-sm { font-size: 0.95rem; }
.text-xs { font-size: 0.88rem; }

/* ===========================================================
   CONTAINER & LAYOUTS
=========================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}

/* Spacing patterns */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: var(--color-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 1.5em 1.35em;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.card:hover {
  box-shadow: 0 8px 36px 0 rgba(25, 77, 114, 0.16);
  transform: translateY(-4px) scale(1.015);
}
.content-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  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: var(--color-secondary);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  min-width: 0;
  flex: 1 1 280px;
  color: var(--color-dark);
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}


/* ===========================================================
   HEADER & MAIN NAV
=========================================================== */
header {
  background: var(--color-light);
  box-shadow: 0 2px 10px rgba(25,77,114,0.06);
  position: sticky;
  top: 0;
  z-index: 30;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}
header img[alt="GasKompass"] {
  width: 160px;
  height: auto;
  margin-right: 24px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  gap: 18px;
  align-items: center;
}
.main-nav a {
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  position: relative;
  padding: 2px 7px;
  border-radius: 6px;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--color-secondary);
  color: var(--color-accent);
}
.primary-cta {
  background: linear-gradient(90deg,#FFB41E 0%,#FF9800 100%);
  color: #194D72;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-btn);
  padding: 0.65em 1.5em;
  margin-left: 24px;
  box-shadow: 0 2px 8px rgba(255, 180, 30, 0.10);
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
  letter-spacing: 0.03em;
}
.primary-cta:hover, .primary-cta:focus {
  background: linear-gradient(90deg,#FF9800 0%,#FFB41E 100%);
  color: #fff;
  box-shadow: 0 6px 24px rgba(255, 180, 30, 0.16);
  transform: translateY(-2px) scale(1.03);
}
.mobile-menu-toggle {
  display: none;
  background: var(--color-secondary);
  color: var(--color-primary);
  border-radius: 12px;
  padding: 8px 14px;
  font-size: 2rem;
  margin-left: 16px;
  transition: background var(--transition-fast), color var(--transition-fast);
  z-index: 52;
}
.mobile-menu-toggle:focus,
.mobile-menu-toggle:hover {
  background: var(--color-accent);
  color: #fff;
}

/* ===========================================================
   HERO SECTIONS & CTA SECTIONS
=========================================================== */
.hero-section {
  background: linear-gradient(110deg, #E9F3FA 20%, #f8fafc 100%);
  padding: 54px 0 36px 0;
  margin-bottom: 40px;
}
.hero-section h1 {
  color: var(--color-primary);
  font-size: 2.3rem;
  margin-bottom: 0.5em;
}
.hero-section p {
  color: var(--color-dark);
  font-size: 1.2rem;
  margin-bottom: 1.6em;
}
.cta-section {
  background: linear-gradient(100deg,#FFB41E 10%,#E9F3FA 100%);
  padding: 36px 0 32px 0;
  margin-bottom: 0;
  border-radius: 0 0 var(--radius-card) var(--radius-card);
}
.cta-section h2 {
  color: #194D72;
  font-size: 2rem;
}
.cta-section .primary-cta {
  margin-top: 18px;
}

/* Highlighted tips, thank you etc */
.thank-you-section, .highlighted-tip, .contact-banner {
  background: var(--color-secondary);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 36px 30px;
  margin-bottom: 20px;
  text-align: center;
}

/* ===========================================================
   FEATURE GRIDS, PROVIDER CARDS, THEMES GRID (Ratgeber)
=========================================================== */
.feature-grid, .themes-grid, .provider-list, .team-profiles {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin: 28px 0 4px 0;
}
.feature {
  background: var(--color-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  flex: 1 1 280px;
  min-width: 250px;
  max-width: 360px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.feature:hover {
  box-shadow: 0 8px 36px 0 rgba(25, 77, 114, 0.13);
  transform: translateY(-3px) scale(1.016);
}
.feature img {
  width: 44px;
  height: 44px;
}
.provider-card, .guide, .faq-item, .team-member {
  background: var(--color-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 26px 22px;
  flex: 1 1 260px;
  min-width: 220px;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.7em;
  margin-bottom: 20px;
  position: relative;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.provider-card:hover,.guide:hover,.faq-item:hover,.team-member:hover {
  box-shadow: 0 7px 28px rgba(25,77,114,0.15);
  transform: scale(1.015);
}
.provider-card img, .team-member img {
  width: 40px;
  height: 40px;
  margin-bottom: 9px;
}
.badge {
  background: var(--color-accent);
  color: #194D72;
  font-family: var(--font-display);
  font-size:0.95rem;
  font-weight: 700;
  border-radius: 14px;
  padding: 4px 16px;
  margin: 5px 0 7px 0;
  display: inline-block;
  letter-spacing: 0.02em;
}
.provider-card a {
  margin-top: auto;
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  border-radius: 4px;
  padding: 2px 5px;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.provider-card a:hover, .provider-card a:focus {
  background: var(--color-accent);
  color: #fff;
}

.faq-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.faq-item h3 {
  font-size: 1.15rem;
  margin-bottom: 0.4em;
  color: var(--color-primary);
}
.faq-item div {
  font-size: 1rem;
  margin-bottom: 0.4em;
  color: var(--color-dark);
}

.team-member h3 {
  margin-bottom: 0.2em;
}
.team-member p { font-size: 0.98rem; }

.guide h3 {
  font-size: 1.1rem;
}

/* ===========================================================
   TESTIMONIALS & REVIEW CARDS
=========================================================== */
.testimonials {
  background: var(--color-light);
  padding: 44px 0;
}
.testimonial-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.testimonial-card {
  background: var(--color-secondary);
  color: #18233c;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 26px;
  min-width: 220px;
  max-width: 350px;
  flex: 1 1 280px;
  font-size: 1.02rem;
}
.testimonial-card .stars {
  color: var(--color-accent);
  font-weight: 700;
  font-size: 1.07rem;
  letter-spacing: 2px;
}
.testimonial-card p {
  color: #18233c;
}
.testimonial-card strong {
  display: block;
  margin-top: 0.9em;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1em;
}

/* ===========================================================
   TABLES (EQUIPMENT/CARD TABLES)
=========================================================== */
table.equipment-table {
  width: 100%;
  background: var(--color-light);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  margin: 20px 0 24px 0;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
}
table.equipment-table th,
table.equipment-table td {
  font-family: var(--font-body);
  padding: 15px 14px;
  color: var(--color-dark);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}
table.equipment-table th {
  background: var(--color-accent);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 1rem;
}
table.equipment-table tr:last-child td {
  border-bottom: none;
}

.equipment-icons {
  display: flex;
  gap: 24px;
  margin: 18px 0;
}
.equipment-icons img {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 1px 7px rgba(25, 77, 114, 0.10));
}

.charts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 18px;
}
.charts img {
  width: 36px;
  height: 36px;
}
.charts span {
  margin-right: 12px;
  color: var(--color-primary);
  font-family: var(--font-display);
}

/* ===========================================================
   FOOTER
=========================================================== */
footer {
  background: var(--color-primary);
  color: var(--color-light);
  margin-top: 40px;
  padding: 34px 0 22px 0;
}
footer .container {
  flex-direction: row;
  justify-content: space-between;
  align-items: flex-start;
  gap: 34px;
}
.footer-nav {
  display: flex;
  flex-direction: row;
  gap: 24px;
  align-items: flex-start;
}
.footer-nav a {
  color: var(--color-light);
  font-size: 0.98rem;
  opacity: 0.88;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}
.footer-nav a:hover {
  color: var(--color-accent);
  opacity: 1;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 9px;
  align-items: flex-start;
  font-size: 0.98rem;
}
.footer-contact img {
  width: 16px;
  height: 16px;
  margin-right: 7px;
  vertical-align: middle;
}
.footer-contact a {
  color: var(--color-accent);
  font-weight: 600;
  margin-left: 1px;
  transition: text-decoration var(--transition-fast); 
}
.footer-contact a:hover {
  text-decoration: underline;
}
.footer-contact span {
  color: var(--color-secondary);
  font-size: 0.92rem;
  opacity: 0.86;
}

/* ===========================================================
   MOBILE MENU (Burger Navigation)
=========================================================== */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(25, 77, 114, 0.94);
  color: #fff;
  z-index: 100;
  transform: translateX(100%);
  transition: transform 0.32s cubic-bezier(.4,0,.2,1);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  width: 100vw;
  max-width: 100vw;
  height: 100vh;
  padding: 0 0 0 0;
  overflow-y: auto;
  pointer-events: none;
  opacity: 0;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  background: none;
  color: #fff;
  font-size: 2.25rem;
  align-self: flex-end;
  margin: 24px 24px 0 0;
  border-radius: 14px;
  padding: 2px 14px 2px 14px;
  box-shadow: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  z-index: 110;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  background: var(--color-accent);
  color: #194D72;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 36px 32px 32px 40px;
  width: 100vw;
}
.mobile-nav a {
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.24rem;
  font-weight: 500;
  border-radius: 8px;
  padding: 12px 7px 12px 4px;
  margin-left: 0;
  letter-spacing: 0.04em;
  transition: background var(--transition-fast), color var(--transition-fast);
  outline: none;
}
.mobile-nav a:active, .mobile-nav a:focus, .mobile-nav a:hover {
  background: var(--color-accent);
  color: #194D72;
}
.mobile-menu.open { box-shadow: 0 0 0 500px rgba(25,77,114,0.74); }


/* ===========================================================
   COOKIE CONSENT BANNER & MODAL
=========================================================== */
.cookie-consent-banner {
  position: fixed;
  bottom: 0; left: 0; width: 100vw;
  background: linear-gradient(90deg,#E9F3FA 80%,#fff 100%);
  color: var(--color-primary);
  box-shadow: 0 -2px 20px rgba(25,77,114,0.12);
  z-index: 150;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px 16px 20px;
  gap:16px;
  font-family: var(--font-body);
  font-size: 1rem;
  border-top-left-radius: 18px;
  border-top-right-radius: 18px;
  transition: transform 0.4s;
}
.cookie-consent-banner.hide {
  transform: translateY(130%);
  pointer-events: none;
  opacity: 0;
}
.cookie-consent-banner .cookie-text {
  flex: 1 1 380px;
}
.cookie-consent-banner .cookie-btns {
  display: flex;
  flex-direction: row;
  gap: 14px;
  align-items: center;
}
.cookie-btn {
  font-family: var(--font-display);
  font-weight: 600;
  padding: 7px 22px;
  border-radius: 16px;
  background: #fff;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
  font-size: 1rem;
  line-height: 1.2;
  transition: background var(--transition-fast), color var(--transition-fast), border var(--transition-fast);
}
.cookie-btn:hover, .cookie-btn:focus {
  background: var(--color-primary);
  color: #fff;
  border: 1.5px solid var(--color-accent);
}
.cookie-btn.accept {
  background: var(--color-accent);
  color: #194D72;
  border-color: var(--color-accent);
}
.cookie-btn.accept:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

/* ===== Cookie Modal ===== */
.cookie-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(25,77,114,0.62);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  pointer-events: auto;
  transition: opacity 0.3s;
}
.cookie-modal-overlay.hide {
  opacity: 0;
  pointer-events: none;
}
.cookie-modal {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 8px 42px rgba(25,77,114,0.17);
  max-width: 420px;
  width: 92vw;
  padding: 40px 28px 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fadeInPop 0.42s cubic-bezier(.4,0,.2,1);
  color: var(--color-dark);
  z-index: 210;
  position: relative;
}
@keyframes fadeInPop {
  from { opacity: 0; transform: scale(0.93) translateY(20px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.cookie-modal h2 {
  color: var(--color-primary);
  font-size: 1.4rem;
  margin-bottom: 0.5em;
}
.cookie-modal .cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 17px;
  margin-bottom: 14px;
}
.cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
}
.cookie-category label {
  font-weight: 500;
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--color-accent);
  width: 18px;
  height: 18px;
}
.cookie-category .toggle {
  margin-left: 8px;
}
.cookie-modal .essential {
  color: #a0a8b7;
  font-size: 0.95rem;
}
.cookie-modal .modal-actions {
  display: flex;
  flex-direction: row;
  gap: 18px;
  margin-top: 20px;
}
.cookie-modal-close {
  position: absolute;
  top: 18px;
  right: 18px;
  font-size: 1.8rem;
  background: none;
  color: var(--color-primary);
  border-radius: 10px;
  padding: 2px 7px;
  transition: background var(--transition-fast);
  cursor: pointer;
}
.cookie-modal-close:hover,
.cookie-modal-close:focus {
  background: var(--color-accent);
  color: #194D72;
}

/* ===========================================================
   MEDIA QUERIES (RESPONSIVE)
=========================================================== */
@media (max-width: 1100px) {
  .container { max-width: 96vw; }
  .feature, .provider-card, .guide, .faq-item, .team-member, .testimonial-card { max-width: 96vw; }
}
@media (max-width: 900px) {
  .main-nav { gap: 8px; }
  .provider-card, .faq-item, .guide, .team-member, .testimonial-card, .feature {
    min-width: 180px;
    padding: 22px 10px;
  }
  .feature-grid, .provider-list, .team-profiles,
  .themes-grid, .testimonial-list {
    gap: 16px;
  }
  .footer-nav { gap: 10px; }
  .footer-contact { font-size: 0.93rem; }
}
@media (max-width: 768px) {
  html { font-size: 15px; }
  header .container {
    flex-direction: row;
    height: 60px;
    padding-top: 4px;
    padding-bottom: 4px;
    gap: 10px;
  }
  .main-nav {
    display: none;
  }
  .primary-cta {
    margin-left: 0;
    font-size: 1.02rem;
    padding: 0.65em 1.1em;
  }
  .mobile-menu-toggle {
    display: inline-block;
  }
  .container, .footer .container {
    max-width: 100vw;
    padding: 0 8px;
  }
  .feature-grid, .provider-list, .team-profiles, .themes-grid, .testimonial-list {
    flex-direction: column;
    gap: 18px;
  }
  .section, .hero-section, .cta-section {
    padding: 20px 6px;
  }
  .text-image-section,
  .content-grid {
    flex-direction: column;
    gap: 16px;
  }
  .footer-nav {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 15px;
  }
  .footer-contact {
    font-size:0.98rem;
    gap: 3px;
  }
  footer .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  .thank-you-section, .highlighted-tip, .contact-banner {
    padding: 20px 8px;
  }
  .charts { gap: 14px; }
  .cookie-consent-banner {
    padding: 15px 10px 15px 10px;
    flex-direction: column;
    gap: 10px;
    font-size: 0.98rem;
    align-items: flex-start;
  }
  .cookie-modal {
    padding: 16px 5vw 16px 5vw;
    width: 98vw;
    max-width: 98vw;
  }
}
@media (max-width: 520px) {
  html { font-size:14px; }
  h1 { font-size: 1.55rem; }
  h2 { font-size: 1.23rem; }
  .hero-section, .cta-section, .section {
    padding: 12px 0px;
  }
  .provider-card, .team-member, .guide, .faq-item, .feature {
    padding: 12px 7px;
    border-radius: 14px;
  }
}
/* Special TE for testimonials/reviews for color contrast */
@media (max-width:580px){
  .testimonial-list { gap:9px; }
  .testimonial-card {
    min-width: 0;
    padding: 16px 6px;
    font-size: 0.98rem;
  }
}

/* ===========================================================
   UTILITIES
=========================================================== */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0 !important; }
.mt-2 { margin-top: 0.5em !important; }
.mt-3 { margin-top: 1em !important; }
.mt-4 { margin-top: 2em !important; }

/* End CSS */