/* RESET & BASE STYLES (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, 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%;
  vertical-align: baseline;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}
body {
  background: #181f18;
  color: #F2F7EB;
  font-family: 'Source Sans Pro', Arial, sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  position: relative;
}
body, button, input, select, textarea {
  font-family: 'Source Sans Pro', Arial, sans-serif;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: #72e0a5;
  text-decoration: none;
  transition: color 0.2s;
}
a:hover, a:focus {
  color: #3ad37c;
  outline: none;
  text-shadow: 0 0 4px #3ad37c9c;
}
ul, ol {
  margin-left: 1.5em;
  margin-bottom: 16px;
}
section ul {
  margin-top: 12px;
}
section ul li {
  margin-bottom: 10px;
}

/* Typography */
h1, .hero h1 { font-family: 'Montserrat', Arial, sans-serif; font-weight: 800; font-size: 2rem; line-height: 1.1; margin-bottom: 1rem; color: #F2F7EB; letter-spacing: .5px; }
h2       { font-family: 'Montserrat', Arial, sans-serif; font-size: 1.5rem; font-weight: 700; margin-bottom: 20px; color: #F2F7EB; letter-spacing: .5px; }
h3       { font-family: 'Montserrat', Arial, sans-serif; font-size: 1.15rem; font-weight: 600; margin-bottom: 10px; color: #80fea7; letter-spacing: .5px; }
h4, h5, h6 { font-family: 'Montserrat', Arial, sans-serif; }
p        { font-size: 1rem; margin-bottom: 16px; color: #d7ffe8; }
strong    { color: #3ad37c; font-weight: bold; }

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 18px;
}
.content-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

/* SECTION MARGIN SPACING (MANDATORY) */
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: rgba(35, 50, 42, 0.93);
  border-radius: 22px;
  box-shadow: 0 6px 24px 0 rgba(0,30,20,.08);
}

@media (max-width: 768px) {
  .section {
    padding: 22px 8px;
    margin-bottom: 32px;
    border-radius: 18px;
  }
}

/* FLEXBOX LAYOUTS (MANDATORY CLASSES) */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: #252e25;
  border-radius: 13px;
  box-shadow: 0 0 14px 0 rgba(60,220,135,0.065), 0 5px 28px 0 rgba(0,0,0,.12);
  transition: transform .22s cubic-bezier(.23,.9,.32,1.28), box-shadow .18s;
  padding: 28px 22px;
}
.card:hover, .card:focus-within {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 0 16px 0 #3ad37c2c, 0 8px 36px 0 #08301222;
  z-index: 2;
}

.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;
    align-items: flex-start;
    gap: 18px;
  }
  .content-grid {
    flex-direction: column;
    gap: 18px;
    align-items: stretch;
  }
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  flex: 1 1 220px;
  background: #202b20;
  border-radius: 14px;
  padding: 24px 18px;
  box-shadow: 0 2px 18px 0 #0e1a1917;
  margin-bottom: 20px;
  transition: box-shadow 0.2s, transform .18s;
  border-left: 5px solid #20ef77;
  min-width: 210px;
  max-width: 340px;
}
.feature-item:hover, .feature-item:focus-within {
  box-shadow: 0 0 0 2px #27c64b, 0 8px 32px 0 #29ffba3d;
  transform: translateY(-4px) scale(1.018);
  z-index: 2;
}
.feature-item img { width: 48px; height: 48px; filter: drop-shadow(0 0 6px #29ffba60); margin-bottom: 8px; }

/**** FLEXBOX GRIDS for feature grids ****/
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: flex-start;
  align-items: stretch;
}
@media (max-width: 900px) {
  .feature-grid {
    gap: 18px;
  }
  .feature-item {
    min-width: 180px;
    max-width: 100%;
    flex: 1 1 100%;
  }
}

/**** Testimonial Cards ****/
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  background: #F2F7EB;
  color: #232e22;
  border-radius: 14px;
  box-shadow: 0 0 0 2px #27c64b18, 0 12px 36px 0 #27ffc82c;
  margin-bottom: 22px;
  min-width: 0;
  max-width: 640px;
  transition: box-shadow 0.18s, transform .16s;
}
.testimonial-card p {
  color: #16321a;
  flex: 1 1 200px;
  margin: 0 0 0 0;
  font-size: 1.02rem;
}
.testimonial-meta {
  font-size: 0.93rem;
  color: #268e52;
  white-space: nowrap;
  font-weight: 600;
  letter-spacing: .3px;
}
.testimonial-card:hover, .testimonial-card:focus-within {
  box-shadow: 0 0 0 2px #27ffc85a, 0 4px 28px 0 #54ffca2c;
  transform: scale(1.012);
  z-index: 2;
}
@media (max-width: 768px) {
  .testimonial-card { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/**** BLOG TEASER CARDS ****/
.blog-teaser {
  background: #213121;
  border-radius: 13px;
  padding: 26px 16px;
  margin-bottom: 24px;
  box-shadow: 0 0 10px 0 #1acd6e10, 0 2px 12px 0 #0e28171a;
  position: relative;
  transition: box-shadow 0.17s, transform .17s;
}
.blog-teaser h3 { color: #27c64b; margin-bottom: 10px; font-size: 1.1rem; }
.blog-teaser p { color: #bcf4d2; font-size: .99rem; margin-bottom: 12px; }
.blog-teaser a {
  display: inline-block;
  font-weight: 700;
  font-family: 'Montserrat', Arial, sans-serif;
  color: #17e697;
  border-bottom: 2px solid #1acd6e;
  margin-top: 6px;
  transition: color 0.17s, border-bottom 0.16s;
}
.blog-teaser a:hover, .blog-teaser a:focus { color: #3ad37c; border-bottom: 2px solid #72e0a5; }

/**** HERO and PRIMARY CTA SECTION ****/
.hero {
  width: 100%;
  background: linear-gradient(98deg, #264c39 0%, #276B3B 100%);
  position: relative;
  min-height: 330px;
  padding-top: 42px;
  padding-bottom: 32px;
  display: flex;
  align-items: center;
  z-index: 0;
  box-shadow: 0 8px 40px 0 #1032192d;
}
.hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
}
.hero .content-wrapper {
  gap: 22px;
}
.hero h1 { font-size: 2.5rem; color: #fff; text-shadow: 0 2px 32px #29ffba22, 0 0 8px #13ff6abb; letter-spacing: 1.2px; }
.hero p { font-size: 1.13rem; color: #e6fff0; }
@media (max-width: 768px) {
  .hero {min-height: 220px;padding-top:22px;padding-bottom:20px;}
  .hero h1 { font-size: 1.45rem;}
}

/**** CATEGORIES & TAGS ****/
.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
  margin-bottom: 16px;
}
.category {
  background: #20381e;
  color: #48fcaa;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 6px 18px;
  letter-spacing: 0.3px;
  transition: background 0.17s, color 0.18s;
  display: inline-block;
}
.category:hover, .category:focus {
  background: #20ef77;
  color: #181f18;
}

/**** CTA PRIMARY & SECONDARY BUTTONS ****/
.cta-primary, .cta-secondary {
  font-family: 'Montserrat', Arial, sans-serif;
  display: inline-block;
  font-size: 1.12rem;
  font-weight: 700;
  padding: 15px 36px;
  border-radius: 100px;
  border: none;
  margin-top: 10px;
  transition: background 0.19s, box-shadow 0.18s, color 0.22s, transform .18s;
  text-align: center;
  letter-spacing: 0.7px;
  box-shadow: 0 0 0 2px #12ffb827, 0 4px 24px 0 #18ffa943;
  position: relative;
  cursor: pointer;
  outline: none;
  z-index: 1;
}
.cta-primary {
  background: #20ef77;
  color: #1a371e;
  box-shadow: 0 0 14px #19ed85;
}
.cta-primary:hover, .cta-primary:focus {
  background: #72e0a5;
  color: #113113;
  box-shadow: 0 0 30px #3ef6d0, 0 6px 40px #2ee38d33;
  transform: translateY(-3px) scale(1.045);
}
.cta-secondary {
  background: #181f18;
  color: #20ef77;
  border: 2px solid #20ef77;
  box-shadow: 0 0 0 2px #20ef7790;
}
.cta-secondary:hover, .cta-secondary:focus {
  background: #20ef77;
  color: #181f18 !important;
  box-shadow: 0 0 24px #12ffb860, 0 8px 40px #22ffb140;
  transform: translateY(-2px) scale(1.036);
}

/**** NAVIGATION - DESKTOP ****/
header {
  width: 100%;
  min-height: 80px;
  background: #181f18;
  border-bottom: 3px solid #20ef77;
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 20;
  position: relative;
}
header img {
  margin: 20px 0 8px 0;
  height: 44px;
  max-width: 196px;
}
.main-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
  align-items: center;
  margin: 0 0 10px 0;
}
.main-navigation a {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: #e7ffdf;
  position: relative;
  padding: 7px 10px;
  border-radius: 7px;
  transition: background 0.14s, color 0.16s, box-shadow 0.18s;
}
.main-navigation a.cta-primary {
  margin-left: 12px;
  font-size: 1.02rem;
  background: #20ef77;
  color: #163021;
  box-shadow: 0 0 16px #19ed85a0;
}
.main-navigation a:hover:not(.cta-primary), .main-navigation a:focus:not(.cta-primary) {
  background: #222e21;
  color: #20ef77;
}
.main-navigation a.cta-primary:hover, .main-navigation a.cta-primary:focus {
  background: #72e0a5;
  color: #181f18;
  box-shadow: 0 0 30px #3ef6d0, 0 6px 40px #2ee38d33;
}

/**** MOBILE NAVIGATION ****/
.mobile-menu-toggle {
  display: none;
  background: #20ef77;
  color: #163021;
  font-size: 2rem;
  font-family: inherit;
  border: none;
  padding: 7px 17px;
  border-radius: 8px;
  margin-left: auto;
  position: absolute;
  right: 18px;
  top: 24px;
  z-index: 30;
  cursor: pointer;
  box-shadow: 0 0 8px 1px #29ffba5e;
  transition: background 0.16s, color .16s, box-shadow .17s;
}
.mobile-menu-toggle:hover, .mobile-menu-toggle:focus {
  background: #a7ffd4;
  color: #152c17;
  box-shadow: 0 0 20px #20ef776e;
}
@media (max-width: 900px) {
  .main-navigation {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  background: #212821;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 101;
  padding: 40px 34px;
  transform: translateX(-100%);
  transition: transform 0.34s cubic-bezier(0.16, 0.7, 0.47, 1.01);
  box-shadow: 0 0 56px 32px #0e4c263a;
}
.mobile-menu.open {
  transform: translateX(0);
}
.mobile-menu-close {
  background: none;
  border: none;
  font-size: 2.2rem;
  color: #20ef77;
  position: absolute;
  right: 24px;
  top: 24px;
  z-index: 140;
  padding: 6px 18px;
  cursor: pointer;
  transition: color .17s;
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  color: #bbffb6;
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 26px;
  width: 100%;
  margin-top: 70px;
}
.mobile-nav a {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  font-size: 1.22rem;
  color: #20ef77;
  background: none;
  border: none;
  border-radius: 8px;
  padding: 14px 12px;
  width: 100%;
  text-align: left;
  transition: background 0.18s, color 0.18s;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  background: #20ef77;
  color: #161716;
}
@media (min-width: 901px) {
  .mobile-menu {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: none !important;
  }
}

/**** FOOTER ****/
footer {
  background: #131b13;
  color: #dcffe9;
  padding: 38px 0 18px;
  border-top: 3px solid #20ef77;
  font-size: 1rem;
  margin-top: 80px;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: center;
  margin-bottom: 10px;
}
.footer-nav a {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 600;
  color: #b6ffd4;
  font-size: 1rem;
  transition: color 0.18s, text-shadow 0.18s;
}
.footer-nav a:hover, .footer-nav a:focus { color: #20ef77; text-shadow: 0 0 8px #1acd6e6c; }
.contact-info {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
  align-items: center;
  margin: 12px auto 10px auto;
  font-size: .97rem;
}
.contact-info img {
  height: 18px;
  width: 18px;
  margin-right: 7px;
  vertical-align: middle;
  display: inline;
}
footer > p {
  text-align: center;
  font-size: .93rem;
  color: #74e187;
  opacity: .83;
  margin-top: 18px;
}
@media (max-width: 600px) {
  .footer-nav, .contact-info {
    flex-direction: column;
    gap: 10px;
  }
  footer { padding: 22px 0 10px; }
  footer > p {font-size: .86rem;}
}

/**** MISCELLANEOUS STYLES ****/
.address-info, .map-placeholder {
  background: #232e23;
  color: #c9ffe3;
  border-radius: 10px;
  padding: 16px 14px;
  margin: 16px 0 0 0;
  font-size: .97rem;
}
.map-placeholder {
  min-height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9affcc;
}

/**** LEGAL TEXT ****/
.legal-text {
  background: #213121;
  color: #d2ffe9;
  border-radius: 16px;
  padding: 36px 18px 28px 18px;
  margin-bottom: 40px;
  box-shadow: 0 0 14px #19ed85a0, 0 4px 16px #30ef87a1;
}
.legal-text h1, .legal-text h2 {color: #20ef77;}
.legal-text a {color: #20ef77;}

/**** THANK YOU PAGE ****/
.thank-you-message {
  background: #20321d;
  border-radius: 22px;
  text-align: center;
  padding: 40px 18px;
}
.thank-you-message h1 {
  color: #20ef77;
  margin-bottom: 18px;
}
.thank-you-message p { color: #baffd4; }

/**** UTILITIES ****/
.hide { display: none !important; }
.show { display: initial !important; }

/* FOCUS VISIBLE SUPPORT */
a:focus-visible, button:focus-visible, .cta-primary:focus-visible, .cta-secondary:focus-visible {
  outline: 2px solid #52ffe7;
  outline-offset: 4px;
}

/* FORM FIELDS (if any in contact forms) */
input, textarea, select {
  background: #161f15;
  color: #aaffcc;
  border: 2px solid #20ef77;
  border-radius: 9px;
  padding: 10px 16px;
  font-size: 1.05rem;
  margin-bottom: 20px;
  transition: border 0.13s, box-shadow 0.17s;
}
input:focus, textarea:focus, select:focus {
  border-color: #72e0a5;
  outline: none;
  box-shadow: 0 0 7px #20ef77a4;
}

/**** COOKIE CONSENT BANNER ******/
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: #131b13;
  color: #dcffe9;
  z-index: 1000;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 18px;
  padding: 30px 14px 24px 14px;
  box-shadow: 0 0 32px 14px #1acd6e20;
  border-top: 3px solid #20ef77;
  font-size: 1rem;
  animation: banner-slide-up .42s cubic-bezier(.23,1.2,.32,1.12);
}
@keyframes banner-slide-up {
  0% { transform: translateY(100%); opacity: 0; }
  92% { opacity: 1; }
  100% { transform: translateY(0); }
}
.cookie-banner .cookie-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 17px;
  margin-left: 10px;
}
.cookie-banner button, .cookie-banner .cta-cookie {
  font-family: 'Montserrat', Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: 100px;
  padding: 11px 26px;
  margin: 0;
  cursor: pointer;
  background: #20ef77;
  color: #181f18;
  box-shadow: 0 2px 12px #29ffba7e;
  transition: background 0.18s, color .18s, transform .14s, box-shadow .14s;
}
.cookie-banner .cta-cookie:hover, .cookie-banner .cta-cookie:focus, .cookie-banner button:hover, .cookie-banner button:focus {
  background: #72e0a5;
  color: #163021;
  transform: scale(1.035);
  box-shadow: 0 4px 26px #1acd6e27;
}
.cookie-banner .cookie-settings-btn {
  background: #192d18;
  color: #21ea82;
  border: 2px solid #20ef77;
  box-shadow: 0 0 12px #20ef7790;
}
.cookie-banner .cookie-settings-btn:hover, .cookie-banner .cookie-settings-btn:focus {
  background: #20ef77;
  color: #181f18;
}

/**** COOKIE PREFERENCES MODAL ****/
.cookie-modal {
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  z-index: 2100;
  background: rgba(22, 29, 22, 0.81);
  display: flex;
  justify-content: center;
  align-items: center;
  animation: cookie-modal-fade .31s;
}
@keyframes cookie-modal-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
.cookie-modal .modal-content {
  background: #131b13;
  color: #dcffe9;
  border-radius: 18px;
  box-shadow: 0 0 60px 12px #1acd6e40;
  padding: 36px 20px 30px;
  min-width: 94vw;
  max-width: 370px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.cookie-modal .modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.cookie-modal .modal-header h3 {
  font-family: 'Montserrat', Arial, sans-serif;
  font-weight: 700;
  color: #20ef77;
  font-size: 1.24rem;
}
.cookie-modal .close-modal-btn {
  background: none;
  border: none;
  font-size: 1.9rem;
  color: #20ef77;
  cursor: pointer;
  transition: color .18s;
}
.cookie-modal .close-modal-btn:hover, .cookie-modal .close-modal-btn:focus {
  color: #b6ffef;
}
.cookie-modal .cookie-category {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  background: #202c20;
  border-radius: 9px;
  padding: 10px 14px;
  margin-bottom: 12px;
}
.cookie-modal .cookie-category label {
  font-size: 1rem;
  color: #90ffc6;
}
.cookie-modal .cookie-category input[type='checkbox'] {
  width: 18px; height: 18px;
  accent-color: #20ef77;
  border-radius: 4px;
  background: #181f18;
  border: none;
  margin-right: 4px;
  outline: none;
}
.cookie-modal .toggle-switch {
  margin-left: 22px;
}
.cookie-modal .cookie-category .toggle-switch[disabled] {
  opacity: 0.56;
}
.cookie-modal .cookie-modal-actions {
  display: flex;
  gap: 16px;
  margin: 15px 0 0 0;
}
.cookie-modal .cookie-modal-actions button {
  font-size: 1rem;
  font-family: 'Montserrat', Arial, sans-serif;
  padding: 11px 23px;
}

/**** ANIMATIONS / MICRO-INTERACTIONS ******/
.card, .feature-item, .blog-teaser, .testimonial-card, .cta-primary, .cta-secondary {
  transition-property: box-shadow, background, color, transform;
  transition-duration: .17s, .18s, .18s, .16s;
  transition-timing-function: cubic-bezier(.19,0,.57,1.11);
}

/**** RESPONSIVE / MOBILE-FIRST ADJUSTMENTS ****/
@media (max-width: 500px) {
  .feature-grid, .card-container, .content-grid {
    flex-direction: column !important;
    gap: 10px !important;
  }
  .feature-item, .card {
    max-width: 100%;
    min-width: 0;
    padding: 14px 8px;
  }
}
@media (max-width: 430px) {
  .container {
    padding: 0 4px;
  }
  header img {
    height: 36px;
    max-width: 92vw;
  }
}

/**** END OF CSS for GrüneWege Potsdam "Tech Futuristic" Theme ****/
/* -- This CSS is responsive, uses ONLY flexbox for all grid/layouts, NO grid/columns/absolute for main content. All UI matches selectors from HTML and applies brand personality PLUS a clean, neon-green futuristic touch. --- */