/* RESET & NORMALIZE ------------------------------------------------- */
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, menu, 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,
main, 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;
}
html { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }
body {
  min-height: 100vh;
  background: #101928;
  color: #ecf3fa;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s; }
ul, ol { list-style: disc inside; }
h1, h2, h3, h4, h5, h6, p { font-weight: normal; }
input, button, textarea, select {
  font: inherit;
  outline: none;
  background: none;
  border: none;
}
button { cursor: pointer; }
:focus-visible { outline: 2px solid #FFE156; outline-offset: 2px; }

/* CSS VARIABLES: SonnenKraftwerk Tech Futuristic Theme ----------- */
:root {
  --color-primary: #174873;
  --color-primary-dark: #112f4c;
  --color-secondary: #ffe156;
  --color-accent: #3bb273;
  --color-accent-dark: #227947;
  --color-bg: #101928;
  --color-bg-card: #162236;
  --color-bg-faint: #14203a;
  --color-neon: #5fffd0;
  --color-white: #ffffff;
  --color-black: #09111d;
  --color-text: #ecf3fa;
  --color-testimonial-bg: #ffffff;
  --color-testimonial-text: #191f29;
  --shadow-tech: 0 2px 24px rgba(36, 255, 172, 0.13), 0 1.5px 10px 0 rgba(23,91,163,0.07);
  --shadow-futuristic: 0 0 0 2px var(--color-neon), 0 4px 28px 0 rgba(23, 72, 115, 0.14);
  --radius-base: 14px;
  --radius-pill: 999px;
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Roboto', Arial, Helvetica, sans-serif;
  --transition: .3s cubic-bezier(.44,1.14,.49,.86);
}

/* GENERAL TYPOGRAPHY ------------------------------------------------ */
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: linear-gradient(135deg, #101928 80%, #192d4c 100%);
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-secondary);
  letter-spacing: -1px;
  margin-bottom: 18px;
}
h1 { font-size: 2rem; font-weight: 700; line-height: 1.15; margin-bottom: 24px; }
h2 { font-size: 1.4rem; font-weight: 600; margin-bottom: 18px; }
h3 { font-size: 1.1rem; font-weight: 500; margin-bottom: 12px; letter-spacing: 0; }
h4, h5, h6 { font-size: 1rem; font-weight: 400; margin-bottom: 10px; }
p, li, ul, ol { color: var(--color-text); }
strong { color: var(--color-neon); font-weight: 600; }
a:hover, a:focus { color: var(--color-neon); }

/* CONTAINER LAYOUTS ------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
  display: flex;
  flex-direction: column;
}
.content-wrapper {
  margin: 0 auto;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-top: 12px;
}
.text-section {
  max-width: 760px;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--color-bg-card);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-tech);
}

/* FLEX UTILITIES ---------------------------------------------------- */
.card-container { display: flex; flex-wrap: wrap; gap: 24px; }
.card { margin-bottom: 20px; position: relative; background: var(--color-bg-faint); border-radius: var(--radius-base); box-shadow: var(--shadow-tech); padding: 28px 24px; }
.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; border-radius: var(--radius-base); background: var(--color-testimonial-bg); color: var(--color-testimonial-text); box-shadow: 0 2px 24px rgba(23, 72, 115, 0.08); margin-bottom: 24px; min-width: 0;}
.feature-item { display: flex; flex-direction: column; align-items: flex-start; gap: 15px; background: var(--color-bg-faint); border-radius: var(--radius-base); box-shadow: var(--shadow-tech); padding: 24px 20px; min-width: 230px; }
.features-grid, .features { display: flex; flex-wrap: wrap; gap: 20px; justify-content: flex-start; }
.project-summaries { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 18px; }
.project-summary { flex: 1 1 300px; background: var(--color-bg-faint); border-radius: var(--radius-base); box-shadow: var(--shadow-tech); padding: 22px 20px; }

/* BUTTONS & CTA ----------------------------------------------------- */
.cta-btn {
  font-family: var(--font-display);
  font-size: 1.08rem;
  font-weight: 600;
  padding: 14px 38px;
  background: var(--color-accent);
  color: var(--color-black);
  border-radius: var(--radius-pill);
  box-shadow: 0 0 0 2px var(--color-neon), 0 4px 16px -8px var(--color-primary-dark);
  transition: background 0.22s, color 0.22s, box-shadow var(--transition), transform .16s;
  border: none;
  display: inline-block;
  letter-spacing: 0.03em;
  margin-top: 10px;
  text-shadow: 0 1px 4px rgba(23, 72, 115, 0.15);
}
.cta-btn:hover, .cta-btn:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-neon), 0 6px 28px 0 rgba(36,255,172,0.11);
  transform: translateY(-2px) scale(1.035);
}
.button, .btn, .mobile-menu-close, .cookie-banner-btn, .cookie-banner-action {
  font-family: var(--font-display);
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  font-weight: 600;
  letter-spacing: 0.03em;
  border: none;
  transition: background .2s, color .2s;
  margin-right: 10px;
}
.button:hover, .btn:hover, .cookie-banner-btn:hover, .cookie-banner-action:hover {
  background: var(--color-accent);
  color: var(--color-black);
}

/* HEADER & NAVIGATION ---------------------------------------------- */
header {
  background: linear-gradient(81deg, #101928 82%, #162236 100%);
  box-shadow: 0 2px 28px 0 rgba(23,72,115,0.10);
  position: sticky;
  top: 0;
  z-index: 10000;
  padding-top: 0;
}
.logo img {
  height: 38px;
  width: auto;
  transition: filter 0.18s;
}
.logo:hover img { filter: drop-shadow(0 0 6px var(--color-neon)); }
header .container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  min-height: 70px;
  gap: 16px;
}
.main-nav {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
}
.main-nav a {
  font-family: var(--font-body);
  color: var(--color-white);
  padding: 8px 8px;
  border-radius: 8px;
  font-size: 1rem;
  position: relative;
  transition: color .18s, background 0.18s;
}
.main-nav a:not(.cta-btn):hover, .main-nav a:not(.cta-btn):focus {
  background: var(--color-primary-dark);
  color: var(--color-secondary);
}
.main-nav .cta-btn {
  margin-left: 20px;
  background: var(--color-neon);
  color: var(--color-black);
  border: none;
}
.main-nav .cta-btn:hover, .main-nav .cta-btn:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* HAMBURGER MENU --------------------------------------------------- */
.mobile-menu-toggle {
  display: none;
  background: none;
  color: var(--color-neon);
  font-size: 2rem;
  padding: 10px 14px;
  border: none;
  border-radius: 50%;
  transition: background 0.18s, color 0.18s;
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  background: var(--color-primary-dark);
  color: var(--color-secondary);
}

/* MOBILE MENU ------------------------------------------------------ */
.mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(120deg, #162236 80%, #174873 100%);
  z-index: 99999;
  transform: translateX(100%);
  transition: transform .38s var(--transition);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding-top: 22px;
  overflow-y: auto;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  align-self: flex-end;
  font-size: 2.1rem;
  margin: 0 22px 12px 0;
  color: var(--color-neon);
  background: none;
  border: none;
  cursor: pointer;
  transition: color .17s, background .17s;
  z-index: 1;
}
.mobile-menu-close:hover,
.mobile-menu-close:focus { color: var(--color-secondary); }
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
  padding-left: 36px;
  padding-right: 20px;
  margin-top: 34px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.24rem;
  padding: 16px 0;
  color: var(--color-white);
  border-bottom: 1px solid rgba(255,225,86,0.04);
  width: 100%;
  transition: color .16s, background .16s;
  border-radius: 6px;
}
.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-primary-dark);
  color: var(--color-neon);
}

/* FOOTER ----------------------------------------------------------- */
footer {
  background: linear-gradient(81deg, #162236 88%, #174873 100%);
  box-shadow: 0 -2px 22px 0 rgba(47,101,149,0.10);
  color: var(--color-white);
  font-size: 1rem;
  padding-top: 40px;
  padding-bottom: 24px;
}
footer .container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: flex-start;
}
.footer-menu {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 10px;
}
.footer-menu a {
  color: var(--color-secondary);
  font-size: 1rem;
  font-family: var(--font-body);
  text-decoration: underline dotted;
}
.footer-menu a:hover, .footer-menu a:focus { color: var(--color-neon); }
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  font-size: 1rem;
  margin-bottom: 4px;
}
.footer-contact address {
  font-style: normal;
  color: var(--color-secondary);
  margin-right: 6px;
}
.footer-contact a {
  color: var(--color-neon);
  margin: 0 8px 0 0;
}
.footer-contact img {
  vertical-align: middle;
  height: 19px; width: auto;
  margin-right: 4px;
}

/* TESTIMONIAL CARDS ------------------------------------------------ */
.testimonial-card {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 20px;
  background: var(--color-testimonial-bg);
  color: var(--color-testimonial-text);
  border-radius: var(--radius-base);
  box-shadow: 0 3px 18px 0 rgba(23,72,115,0.10);
  padding: 20px 30px;
  margin-bottom: 20px;
  min-width: 0;
  transition: box-shadow .2s, transform .18s;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 5px 40px 0 rgba(36,255,172,0.13);
  transform: translateY(-2px) scale(1.012);
}
.testimonial-card p {
  color: var(--color-testimonial-text);
  font-size: 1.07rem;
  font-weight: 500;
  font-style: italic;
}
.testimonial-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-accent-dark);
  font-size: .97rem;
  font-weight: 600;
}

/* FAQ LISTS -------------------------------------------------------- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 10px 0 8px 0;
}
.faq-list h3 {
  font-size: 1.08rem;
  color: var(--color-neon);
  margin-bottom: 2px;
  margin-top: 10px;
}
.faq-list p {
  margin-bottom: 0;
}

/* INFOGRAPHIC (Ablauf-Seite) --------------------------------------- */
.infographic {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 22px 0 8px 0;
}
.infographic img {
  width: 90%;
  max-width: 390px;
  min-width: 220px;
}

/* MAP-EMBED (Kontaktseite) ----------------------------------------- */
.map-embed {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  background: var(--color-bg-faint);
  padding: 18px;
  border-radius: var(--radius-base);
  box-shadow: 0 2px 14px 0 rgba(23, 72, 115, .09);
}
.map-embed img {
  width: 44px; height: 44px;
}

/* PROJECT SUMMARIES ------------------------------------------------ */
.project-summaries { gap: 28px; }
.project-summary h3 { color: var(--color-neon); font-size: 1.08rem; margin-bottom: 12px; font-weight: 600; }
.project-summary ul { margin-left: 14px; }

/* LISTS ------------------------------------------------------------ */
ul { margin-bottom: 18px; }
ol {
  margin-bottom: 12px;
  padding-left: 18px;
}
ul li, ol li {
  margin-bottom: 7px;
  font-size: 1rem;
}

/* FORMS (for potential future use) --------------------------------- */
input, textarea, select {
  width: 100%;
  padding: 12px 14px;
  background: var(--color-bg-card);
  border-radius: var(--radius-base);
  border: 1.5px solid var(--color-accent);
  color: var(--color-white);
  font-size: 1rem;
  margin-bottom: 18px;
  transition: border 0.15s, box-shadow 0.15s;
}
input:focus, textarea:focus {
  border: 1.5px solid var(--color-neon);
  box-shadow: 0 0 0 2px var(--color-neon);
}
label { font-size: 1rem; font-family: var(--font-body); color: var(--color-secondary); }

/* TABLE ---------------------------------------------------------- */
table { width: 100%; border-collapse: collapse; background: var(--color-bg-faint); }
th, td { border: 1px solid #254066; padding: 12px 16px; text-align: left; }
th { background: var(--color-primary-dark); color: var(--color-secondary); }

/* COOKIE CONSENT BANNER --------------------------------------------- */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50001;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 22px 18px 19px 18px;
  box-shadow: 0 -4px 26px 0 rgba(23, 72, 115, 0.18);
  animation: cookiebanner-slidein .62s var(--transition);
}
@keyframes cookiebanner-slidein {
  from { transform: translateY(120%); opacity: 0.2; }
  to   { transform: translateY(0); opacity: 1; }
}
.cookie-banner-text { flex: 1 1 260px; max-width: 620px; font-size: 1rem; }
.cookie-banner-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 14px;
}
.cookie-banner-btn, .cookie-banner-action {
  background: var(--color-secondary);
  color: var(--color-black);
  border: none;
  border-radius: var(--radius-pill);
  font-size: 1rem;
  padding: 10px 26px;
  font-weight: 600;
  margin-right: 0;
  box-shadow: 0 0 0 2px var(--color-neon);
  transition: background .22s, color .18s, box-shadow .18s;
}
.cookie-banner-btn:hover, .cookie-banner-btn:focus {
  background: var(--color-neon);
  color: var(--color-primary);
}
.cookie-banner-btn.reject {
  background: var(--color-primary-dark);
  color: var(--color-secondary);
}
.cookie-banner-btn.reject:hover {
  background: var(--color-accent);
  color: var(--color-black);
}
.cookie-banner-btn.settings {
  background: none;
  color: var(--color-white);
  border: 1.5px solid var(--color-neon);
  box-shadow: none;
  padding: 10px 20px;
}
.cookie-banner-btn.settings:hover {
  background: var(--color-accent);
  color: var(--color-black);
  border-color: var(--color-accent);
}

/* COOKIE CONSENT MODAL --------------------------------------------- */
.cookie-modal {
  position: fixed;
  top: 0; right: 0; left: 0; bottom: 0;
  z-index: 50010;
  background: rgba(16,25,40,0.85);
  display: flex;
  justify-content: center;
  align-items: center;
  animation: cookiebanner-slidein .38s var(--transition);
}
.cookie-modal-content {
  background: var(--color-bg-card);
  color: var(--color-text);
  border-radius: var(--radius-base);
  max-width: 420px;
  width: 94vw;
  box-shadow: var(--shadow-futuristic);
  padding: 46px 32px 34px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.cookie-modal-content h2 {
  color: var(--color-secondary);
  font-size: 1.18rem;
  margin-bottom: 11px;
}
.cookie-category {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid #253759;
}
.cookie-category:last-child { border-bottom: none; }
.cookie-category label {
  color: var(--color-white);
  font-size: 1rem;
  font-family: var(--font-body);
}
.cookie-switch {
  position: relative;
  display: inline-block;
  width: 46px;
  height: 22px;
}
.cookie-switch input { display: none; }
.cookie-slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #253759;
  border-radius: 20px;
  transition: background 0.18s;
}
.cookie-switch input:checked + .cookie-slider {
  background: var(--color-neon);
}
.cookie-slider:before {
  content: '';
  position: absolute;
  left: 5px;
  top: 3px;
  width: 16px;
  height: 16px;
  background: var(--color-white);
  border-radius: 50%;
  transition: transform 0.18s;
}
.cookie-switch input:checked + .cookie-slider:before {
  transform: translateX(20px);
}
.cookie-modal-close {
  position: absolute;
  top: 13px; right: 22px;
  color: var(--color-secondary);
  font-size: 1.6rem;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 6;
}
.cookie-modal-actions {
  padding-top: 14px;
  display: flex;
  flex-direction: row;
  gap: 14px;
  justify-content: flex-end;
}

/* ANIMATIONS & MICROINTERACTIONS ----------------------------------- */
.card, .feature-item, .testimonial-card, .project-summary, .content-wrapper {
  transition: box-shadow 0.21s, transform 0.18s;
}
.card:hover, .feature-item:hover, .project-summary:hover {
  box-shadow: 0 6px 32px 0 rgba(36,255,172,0.13);
  transform: translateY(-2px) scale(1.010);
}
.cta-btn {
  transition: background 0.21s, color 0.21s, transform 0.14s;
}
.cta-btn:active { transform: translateY(2px) scale(0.98); }

/* RESPONSIVE DESIGN: MOBILE FIRST ---------------------------------- */
@media (max-width: 1120px) {
  .container { max-width: 98vw; }
}
@media (max-width: 900px) {
  .content-wrapper, .text-section { max-width: 100%; }
  .features-grid, .features { flex-direction: column; gap: 20px; }
  .project-summaries { flex-direction: column; gap: 20px; }
}
@media (max-width: 768px) {
  h1 { font-size: 1.33rem; }
  h2 { font-size: 1.1rem; }
  .container {
    padding-left: 12px;
    padding-right: 12px;
  }
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
    z-index: 1001;
  }
  .footer-menu {
    flex-direction: column;
    gap: 7px;
  }
  .footer-contact { flex-direction: column; gap: 7px; }
  .project-summaries { gap: 16px; }
}
@media (max-width: 670px) {
  .text-image-section, .content-grid, .card-container, .features-grid, .features {
    flex-direction: column !important;
    gap: 16px !important;
  }
}
@media (max-width: 540px) {
  .container {
    padding-left: 6px;
    padding-right: 6px;
    max-width: 99vw;
  }
  .section {
    padding: 25px 4px;
  }
  .card, .feature-item, .testimonial-card, .project-summary { padding: 12px 8px; }
  .faq-list { gap: 9px; }
  .cookie-modal-content {
    padding: 22px 8px 18px 8px;
  }
}