/* RESET & BASELINE ------------------- */
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center, dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed, 
figure, figcaption, footer, header, hgroup, 
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
  margin: 0; padding: 0; border: 0; font-size: 100%; font: inherit; vertical-align: baseline;
  box-sizing: border-box;
}
article, aside, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section {
  display: block;
}
body {
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: #FCF6EB;
  color: #383625;
  font-family: 'Roboto', Arial, sans-serif;
  font-size: 16px;
  min-height: 100vh;
}

/* VINTAGE RETRO DESIGN SYSTEM ----------- */
:root {
  --primary: #04637C;
  --secondary: #FFD600;
  --accent: #F4F7F9;
  --retro-blue: #44687D;
  --retro-coral: #DC9271;
  --retro-beige: #FCF6EB;
  --retro-brown: #7A5C39;
  --retro-green: #7B925A;
  --retro-burgundy: #94363D;
  --white: #FFFFFF;
  --shadow: 0 2px 18px rgba(50,44,30,0.08), 0 1.5px 4px rgba(0,0,0,0.07);
  --radius: 18px;
  --display-font: 'Montserrat', 'Arial Rounded MT Bold', 'Arial', sans-serif;
  --body-font: 'Roboto', 'Arial', sans-serif;
}

/* TYPOGRAPHY SCALE --------------------- */
h1, .h1 {
  font-family: var(--display-font);
  font-size: 40px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--retro-brown);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
@media (max-width: 768px) {
  h1, .h1 { font-size: 28px; }
}
h2, .h2 {
  font-family: var(--display-font);
  font-size: 32px;
  font-weight: 600;
  color: var(--retro-blue);
  margin-bottom: 18px;
  letter-spacing: -0.01em;
}
h3, .h3 {
  font-family: var(--display-font);
  font-size: 24px;
  font-weight: 600;
  color: var(--retro-burgundy);
  margin-bottom: 12px;
}
h4, .h4, h5,.h5, h6,.h6 {
  font-family: var(--body-font);
  font-weight: 600;
  color: var(--retro-brown);
}
p, ul, ol, li, dl, dt, dd, .text-section {
  font-family: var(--body-font);
  font-size: 16px;
  color: #383625;
  margin-bottom: 12px;
  line-height: 1.7;
}
.subtitle {
  font-size: 18px;
  letter-spacing: 1px;
  color: var(--retro-coral);
  font-family: var(--display-font);
  margin-bottom: 10px;
}
strong { font-weight: 700; color: var(--retro-burgundy); }
em, i { color: var(--retro-coral); }
a {
  color: var(--primary);
  text-decoration: underline;
  transition: color 0.18s;
}
a:hover, a:focus {
  color: var(--retro-burgundy);
  outline: none;
}

/* -------------- SHARED UI ELEMENTS ---------------- */
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display-font);
  font-weight: 600;
  padding: 14px 32px;
  border-radius: var(--radius);
  border: none;
  font-size: 18px;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: box-shadow 0.18s, background 0.22s, color 0.18s;
  box-shadow: var(--shadow);
  margin: 8px 8px 8px 0;
  text-decoration: none;
}
.button-primary {
  background: var(--secondary);
  color: var(--retro-brown);
  border: 1.5px solid var(--retro-brown);
}
.button-primary:hover, .button-primary:focus {
  background: var(--retro-burgundy);
  color: var(--secondary);
  box-shadow: 0 4px 22px 0 rgba(170,60,50,0.14);
}
.button-secondary {
  background: var(--retro-blue);
  color: var(--secondary);
  border: 1.5px solid var(--retro-blue);
}
.button-secondary:hover, .button-secondary:focus {
  background: var(--secondary);
  color: var(--retro-blue);
  border-color: var(--secondary);
}
button:focus, .button-primary:focus, .button-secondary:focus {
  outline: 2.5px dashed var(--retro-burgundy);
  outline-offset: 2px;
}

/* ----------- LAYOUT SYSTEM ------------------ */
body, main {
  width: 100%;
  background: var(--retro-beige);
}
.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
@media (min-width: 900px) {
  .content-wrapper { gap: 32px; }
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  position: relative;
}
@media (max-width: 768px) {
  .section { margin-bottom: 32px; padding: 24px 8px; }
}
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  flex: 1 1 270px;
  margin-bottom: 20px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  position: relative;
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
}

.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;
}
@media (max-width: 768px) {
  .text-image-section {
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
}


ul, ol {
  padding-left: 22px;
  margin-bottom: 12px;
}
ul > li, ol > li {
  margin-bottom: 12px;
}
/* Nostalgic bullet style */
ul li::before {
  content: '\2022';
  color: var(--retro-coral);
  font-weight: bold;
  display: inline-block; 
  width: 1em;
  margin-left: -1em;
}


/* ------- HEADER & NAV -------------------- */
header {
  background: var(--primary);
  padding: 0;
  margin-bottom: 0;
  width: 100%;
  box-shadow: 0 2px 8px rgba(4,99,124,0.06);
  z-index: 80;
  position: sticky;
  top: 0;
}
header .container {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
header a img {
  max-height: 52px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  gap: 18px;
  align-items: center;
}
.main-nav a {
  color: var(--secondary);
  font-family: var(--display-font);
  font-size: 17px;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: color 0.17s, background 0.17s;
  padding: 6px 10px;
  border-radius: 8px;
  position: relative;
}
.main-nav a:hover, .main-nav a:focus {
  color: var(--primary);
  background: var(--secondary);
  text-decoration: none;
}
header .button-primary {
  font-size: 16px;
  padding: 10px 20px;
  margin-left: 18px;
  background: var(--secondary);
  color: var(--retro-brown);
  border: 1.5px solid var(--secondary);
  box-shadow: none;
}
header .button-primary:hover {
  background: var(--retro-brown);
  color: var(--secondary);
  border-color: var(--retro-brown);
}
/* ------------- MOBILE NAVIGATION ---------- */
.mobile-menu-toggle {
  display: none;
  background: var(--secondary);
  color: var(--primary);
  font-size: 32px;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin-left: 12px;
  cursor: pointer;
  box-shadow: var(--shadow);
  z-index: 110;
  transition: background 0.15s;
}
.mobile-menu-toggle:focus, .mobile-menu-toggle:hover {
  background: var(--retro-burgundy);
  color: var(--secondary);
}
.mobile-menu {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--retro-brown);
  z-index: 1999;
  transform: translateX(-100vw);
  transition: transform 0.33s cubic-bezier(.66,.11,.18,.99);
  box-shadow: 0px 0px 12px 0 rgba(60,10,0,0.09);
  padding-top: 24px;
  padding-bottom: 32px;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  background: var(--secondary);
  color: var(--retro-brown);
  border: none;
  border-radius: 50%;
  font-size: 34px;
  width: 48px;
  height: 48px;
  position: absolute;
  top: 18px;
  right: 24px;
  z-index: 2200;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: background 0.15s, color 0.15s;
}
.mobile-menu-close:focus, .mobile-menu-close:hover {
  background: var(--retro-burgundy);
  color: var(--secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
  margin-top: 68px;
}
.mobile-nav a {
  color: var(--secondary);
  text-decoration: none;
  font-size: 20px;
  font-family: var(--display-font);
  padding: 13px 0;
  width: 100vw;
  display: flex;
  justify-content: center;
  transition: background 0.14s, color 0.14s;
  border-radius: 0;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--secondary);
  color: var(--retro-brown);
}

@media (max-width: 900px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
}
@media (min-width: 901px) {
  .mobile-menu {
    display: none !important;
  }
}

/* ----------- MAIN & HOMEPAGE HERO ------------- */
main {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0;
}
section {
  width: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  margin-bottom: 60px;
  padding: 0;
  background: none;
}
@media (max-width: 768px) {
  section{
    margin-bottom: 32px;
  }
}

/* ----------- FEATURES LISTS/ILLUSTRATIONS --------- */
ul > li img {
  height: 32px; width: 32px;
  margin-right: 10px;
  vertical-align: middle;
  border-radius: 6px;
  background: var(--retro-beige);
}
ul > li {
  list-style: none;
  display: flex;
  align-items: flex-start;
  gap: 13px;
  margin-bottom: 18px;
  padding-bottom: 6px;
}
li strong {
  font-family: var(--display-font);
  font-weight: 700;
  color: var(--retro-burgundy);
  margin-right: 4px;
}
@media (max-width: 650px) {
  ul > li {
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
  }
  ul > li img { margin-bottom: 2px; margin-right: 0; }
}

.text-section {
  background: var(--accent);
  border-radius: 12px;
  padding: 18px 22px;
  font-size: 17px;
  font-family: var(--body-font);
}
@media (max-width: 650px) {
  .text-section{ padding: 15px 6px; font-size: 16px; }
}

/* ----- TESTIMONIALS & SPECIAL LISTS -------------*/
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 26px;
  background: var(--secondary);
  color: var(--retro-brown);
  font-family: var(--body-font);
  border-radius: 15px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
  border: 1.5px solid var(--retro-brown);
  font-size: 18px;
  max-width: 700px;
}
.testimonial-card span {
  font-family: var(--display-font);
  font-size: 16px;
  color: var(--retro-burgundy);
  opacity: 0.82;
  letter-spacing: 0.2px;
}
.testimonial-card p {
  font-size: 18px;
  color: var(--retro-brown);
  margin-bottom: 0;
}
@media (max-width: 768px) {
  .testimonial-card { font-size: 16px; padding: 16px 10px; }
}

/* ----- FAQ (SOLARPANEL-AUSWAHL) ---- */
dt {
  font-weight: 600;
  font-size: 18px;
  color: var(--retro-brown);
  margin-top: 18px;
  font-family: var(--display-font);
}
dd {
  margin-bottom: 12px;
  margin-left: 8px;
  font-size: 16px;
  font-family: var(--body-font);
  color: #48422c;
}
@media (max-width: 600px) {
  dt { font-size: 16px; }
  dd { font-size: 15px; }
}
/* ----- FEATURE/PROCESS ACCENTS ---- */
ol {
  counter-reset: retro-counter;
}
ol > li {
  counter-increment: retro-counter;
  position: relative;
  padding-left: 36px;
  margin-bottom: 18px;
}
ol > li::before {
  content: counter(retro-counter) '.';
  position: absolute;
  left: 0; top: 0;
  background: var(--retro-coral);
  color: var(--white);
  font-family: var(--display-font);
  font-size: 17px;
  font-weight: bold;
  border-radius: 50%;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1.5px 3px 0 rgba(180,90,60,0.07);
}

/* ------ FOOTER -------------------- */
footer {
  background: var(--primary);
  padding: 0;
  margin-top: 0;
  width: 100%;
  color: var(--secondary);
  box-shadow: 0 -2px 12px rgba(4,99,124,0.07);
}
footer .container {
  flex-direction: column;
  gap: 18px;
  padding: 30px 16px;
  align-items: center;
}
.footer-nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 10px;
}
.footer-nav a {
  color: var(--secondary);
  font-size: 15px;
  font-family: var(--display-font);
  text-decoration: none;
  opacity: 0.88;
  transition: color 0.14s;
}
.footer-nav a:hover, .footer-nav a:focus {
  color: var(--retro-coral);
}
.footer-contact {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 15px;
}
.footer-contact img {
  height: 24px; width: 24px;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 4px;
}
.footer-contact a {
  color: var(--secondary);
  text-decoration: underline;
  transition: color 0.13s;
}
.footer-contact a:hover { color: var(--retro-coral); }
.footer-social {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.footer-social a img {
  height: 24px; width: 24px;
  border-radius: 50%;
  background: var(--retro-beige);
  transition: background 0.18s;
}
.footer-social a img:hover, .footer-social a img:focus {
  background: var(--retro-coral);
}
@media (max-width: 768px) {
  .footer-nav, .footer-contact, .footer-social {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

/* ---------- COOKIE CONSENT BANNER ---------- */
.cookie-consent-banner {
  position: fixed;
  bottom: 0; left: 0; width: 100%;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 22px;
  padding: 20px 18px;
  background: var(--retro-coral);
  color: var(--retro-brown);
  font-family: var(--body-font);
  font-size: 16px;
  box-shadow: 0 -3px 16px 0 rgba(140,115,60,0.12);
  z-index: 3500;
  animation: fadeInUp 0.44s cubic-bezier(.16,.78,.45,1.12);
}
@media (max-width: 600px) {
  .cookie-consent-banner {
    flex-direction: column;
    gap: 10px;
    padding: 16px 6px;
    font-size: 14px;
  }
}
.cookie-consent-buttons {
  display: flex;
  flex-direction: row;
  gap: 12px;
  align-items: center;
  margin-left: 18px;
}
.cookie-btn {
  padding: 8px 22px;
  border-radius: 7px;
  border: none;
  font-family: var(--display-font);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.5px;
  cursor: pointer;
  margin: 0 2px;
  transition: background 0.18s, color 0.18s, box-shadow 0.13s;
}
.cookie-btn.accept {
  background: var(--retro-green);
  color: var(--white);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus {
  background: var(--retro-brown);
}
.cookie-btn.reject {
  background: var(--retro-burgundy);
  color: var(--secondary);
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus {
  background: var(--retro-brown);
  color: var(--secondary);
}
.cookie-btn.settings {
  background: var(--secondary);
  color: var(--retro-brown);
  border: 1.5px solid var(--retro-brown);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus {
  background: var(--retro-brown);
  color: var(--secondary);
}

/* COOKIE MODAL */
#cookie-modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(44, 37, 24, 0.46);
  z-index: 3999;
  align-items: center;
  justify-content: center;
}
#cookie-modal-overlay.active {
  display: flex;
  animation: fadeIn 0.19s cubic-bezier(.12,.75,.44,1.1);
}
#cookie-modal {
  background: var(--accent);
  color: var(--retro-brown);
  font-family: var(--body-font);
  font-size: 16px;
  border-radius: 19px;
  box-shadow: 0 4px 32px 0 rgba(130,85,40,0.19), var(--shadow);
  padding: 32px 28px 24px 28px;
  min-width: 310px;
  max-width: 96vw;
  width: 400px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  animation: slideInUp 0.21s cubic-bezier(.21,.8,.49,1.1);
}
#cookie-modal h3 {
  font-family: var(--display-font); font-size: 22px; color: var(--retro-burgundy);
}
#cookie-modal label {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 15px;
  padding: 7px 0 7px 0;
}
#cookie-modal .cookie-category {
  display: flex; flex-direction: row; align-items: center;
  justify-content: space-between;
}
#cookie-modal input[type=checkbox] {
  accent-color: var(--retro-green);
  width: 18px; height: 18px;
}
#cookie-modal .cookie-modal-buttons {
  display: flex;
  flex-direction: row;
  gap: 15px;
  margin-top: 10px;
  justify-content: flex-end;
}
#cookie-modal .cookie-btn {
  font-size: 15.5px;
  padding: 8px 22px;
  min-width: 100px;
}
#cookie-modal .close-modal {
  position: absolute;
  top: 15px; right: 15px;
  background: var(--retro-burgundy);
  color: var(--secondary);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  width: 36px; height: 36px;
  cursor: pointer;
  transition: background 0.14s;
}
#cookie-modal .close-modal:hover, #cookie-modal .close-modal:focus {
  background: var(--retro-brown);
}
#cookie-modal .category-description {
  font-size: 13.2px;
  color: #655843;
  margin-bottom: 5px;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(25px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideInUp {
  from { opacity:0; transform: translateY(30px); }
  to { opacity:1; transform: translateY(0); }
}
@keyframes fadeIn {
  from {opacity:0;} to{opacity:1;}
}

/* ----- MICRO INTERACTION/UTILITY --------- */
img, svg {
  max-width: 100%;
  display: inline-block;
}
[tabindex]:focus, button:focus, input:focus, select:focus, textarea:focus, a:focus {
  outline: 2px dashed var(--retro-coral);
  outline-offset: 2px;
}
::-webkit-scrollbar {
  width: 7px; background: var(--retro-beige);
}
::-webkit-scrollbar-thumb {
  background: var(--retro-coral); border-radius: 8px;
}

/* ---- UTILITY CLASSES FOR FLEX SPACING ---- */
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 24px;
  background: var(--retro-beige);
  border-radius: 11px;
  padding: 18px 12px;
}
.card {
  box-shadow: var(--shadow);
  background: var(--white);
  border-radius: var(--radius);
}

/* ------ RETRO PATTERNS (background accents) ----- */
.section {
  background: repeating-linear-gradient(
      -20deg,
      var(--accent),
      var(--accent) 38px,
      #fabfab 39px,
      #fabfab 39.7px,
      var(--accent) 41px
  );
  border: 2px solid var(--retro-coral);
}
.section:nth-child(even) {
  background: repeating-linear-gradient(
      15deg,
      var(--accent), var(--accent) 42px,
      #ffeab6 43px, #ffeab6 43.6px,
      var(--accent) 45.5px
  );
  border: 2px solid var(--retro-blue);
}

/* ------------- RESPONSIVE -------------- */
@media (max-width: 900px) {
  .container {
    max-width: 99vw;
    padding: 0 8px;
  }
}
@media (max-width: 600px) {
  h1 { font-size: 20px; }
  h2 { font-size: 19px; }
  .footer-contact, .footer-social, .footer-nav {
    font-size: 13px;
  }
}

/* ---- THANK YOU + CONTACT SPECIALS ---- */
.text-section a.button-primary {
  margin-top: 14px;
}

/* --- SPECIALS: CODE FOR DL dt/dd in FAQ ---*/
dl { margin-bottom: 12px; }
dt, dd {
  display: block;
  margin-bottom: 2px;
}

/* ---- MISC: A11Y ---- */
.skip-link {
  position: absolute;
  left: -100vw;
  top: 0;
  background: var(--secondary);
  color: var(--retro-brown);
  padding: 10px;
  z-index: 9999;
  transition: left 0.13s;
}
.skip-link:focus { left: 20px; }

/* ---- PRINT ---- */
@media print {
  header, footer, .mobile-menu, .cookie-consent-banner { display:none; }
}