/* RESET & NORMALIZATION */
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;
}
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
*, *:before, *:after { box-sizing: inherit; }
body {
  line-height: 1.5;
  font-family: 'Open Sans', Arial, sans-serif;
  background: #F6F9F6;
  color: #215732;
  min-height: 100vh;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
strong { font-weight: 700; }

/* BRAND VARIABLES */
:root {
  --color-primary: #215732;
  --color-secondary: #1E3857;
  --color-accent: #FFD600;
  --color-bg: #F6F9F6;
  --color-muted: #E7EFEB;
  --color-dark: #112124;
  --color-white: #fff;
  --border-radius: 16px;
  --shadow: 0 4px 24px rgba(30, 56, 87, 0.09);
  --font-display: 'Montserrat', 'Arial Black', sans-serif;
  --font-body: 'Open Sans', Arial, sans-serif;
  --transition: all 0.21s cubic-bezier(.67,.22,.28,.98);
}

@font-face {
  font-family: 'Montserrat';
  src: local('Montserrat'), url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&display=swap');
  font-display: swap;
}
@font-face {
  font-family: 'Open Sans';
  src: local('Open Sans'), url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;600;700&display=swap');
  font-display: swap;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-secondary);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
  font-weight: 800;
  line-height: 1.13;
}
h1 {
  font-size: 2.2rem;
  font-weight: 800;
  text-transform: uppercase;
  line-height: 1.13;
  letter-spacing: 0.01em;
}
h2 {
  font-size: 1.7rem;
  font-weight: 700;
  border-left: 8px solid var(--color-accent);
  padding-left: 15px;
  margin-bottom: 24px;
  background: linear-gradient(90deg,rgba(255,214,0,0.07) 0,transparent 90%);
}
h3 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin-bottom: 10px;
}
h4, h5, h6 {
  font-size: 1.1rem;
  font-weight: 700;
}
p, li {
  font-family: var(--font-body);
  line-height: 1.6;
  font-size: 1rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}
li strong {
  color: var(--color-secondary);
  font-weight: 700;
}

/* LAYOUT CONTAINER */
.container {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 16px;
}
.content-wrapper {
  background: var(--color-white);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 40px 24px;
  margin-bottom: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: transparent;
}

/* HEADER & NAVIGATION */
header {
  background: var(--color-white);
  box-shadow: 0 2px 10px rgba(30,56,87,0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}
header .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}
header nav {
  display: flex;
  gap: 18px;
  align-items: center;
}
header nav a {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: 1rem;
  padding: 8px 10px;
  border-radius: 6px;
  transition: var(--transition);
  color: var(--color-secondary);
  font-weight: 600;
  letter-spacing: 0.04em;
}
header nav a:hover, header nav a:focus {
  background: var(--color-accent);
  color: var(--color-primary);
  text-decoration: none;
}
header img[alt*='SonnenGarten'] {
  height: 44px;
  aspect-ratio: 1.6;
}

/* HEADER RIGHT BUTTON */
.btn-primary {
  font-family: var(--font-display);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--color-primary);
  color: var(--color-accent);
  border: none;
  border-radius: 40px;
  font-weight: bold;
  text-transform: uppercase;
  padding: 12px 32px;
  font-size: 1.07rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  box-shadow: 0 2px 14px rgba(30,88,87,0.08);
  transition: var(--transition);
  outline: none;
}
.btn-primary:hover, .btn-primary:focus {
  background-color: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 4px 18px rgba(30,56,87,0.15);
  outline: 2px solid var(--color-secondary);
}


/* HERO SECTION */
.hero {
  background: linear-gradient(90deg,#F6F9F6 60%,rgba(255,214,0,0.10) 100%);
  border-bottom: 4px solid var(--color-accent);
  padding: 0;
  margin-bottom: 0;
}
.hero .container {
  padding-top: 32px;
  padding-bottom: 32px;
}
.hero .content-wrapper {
  background: none;
  box-shadow: none;
  padding: 0;
  border-radius: 0;
}
.hero h1 {
  color: var(--color-primary);
  font-size: 2.5rem;
  margin-bottom: 18px;
  letter-spacing: 0.012em;
}
.hero p {
  color: var(--color-secondary);
  font-size: 1.15rem;
  margin-bottom: 30px;
}
.hero .btn-primary {
  margin-top: 8px;
}

/* FLEX GRIDS & SPACING (MANDATORY) */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  background: var(--color-white);
  box-shadow: var(--shadow);
  border-radius: var(--border-radius);
  margin-bottom: 20px;
  position: relative;
  padding: 28px 16px 24px 16px;
  display: flex;
  flex-direction: column;
  min-width: 230px;
  flex: 1 1 320px;
  transition: box-shadow 0.18s;
}
.card:hover { box-shadow: 0 8px 34px rgba(30,56,87,0.13); }
.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;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  padding: 20px;
  background: var(--color-muted);
  border-radius: 16px;
  box-shadow: 0 2px 10px rgba(30,56,87,0.05);
  margin-bottom: 20px;
  color: var(--color-dark);
  min-width: 240px;
  font-size: 1.05rem;
  position: relative;
  border-left: 5px solid var(--color-accent);
}
.testimonial-card .stars {
  display: flex;
  gap: 5px;
  align-items: center;
}
.testimonial-card strong {
  color: var(--color-secondary);
  font-weight: bold;
  font-family: var(--font-display);
  font-size: 1.06rem;
  margin-top: 4px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}

/* SPECIAL CARD SECTIONS */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 12px;
  justify-content: flex-start;
}
.feature {
  background: var(--color-white);
  border: 2px solid var(--color-muted);
  border-radius: 18px;
  box-shadow: var(--shadow);
  flex: 1 1 260px;
  min-width: 210px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: 24px 18px 20px 18px;
  transition: border-color 0.17s, box-shadow 0.14s;
}
.feature img {
  width: 38px; height: 38px;
  filter: grayscale(15%) brightness(1);
}
.feature:hover,
.feature:focus {
  border-color: var(--color-accent);
  box-shadow: 0 4px 18px rgba(33,87,50,0.08);
}

.project-summary {
  background: var(--color-muted);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(33,87,50, 0.05);
  margin-bottom: 18px;
  padding: 18px 20px;
  border-left: 6px solid var(--color-primary);
}
.project-benefits-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 14px;
}
.project-benefits-grid ul {
  margin-bottom: 0;
}
.case-study-snippet {
  background: var(--color-white);
  border-radius: 16px;
  box-shadow: 0 1px 14px rgba(30,56,87,0.05);
  padding: 20px 16px;
  margin: 22px 0 0 0;
  border-left: 5px solid var(--color-secondary);
}

/* FAQ LIST */
.faq-list h3 {
  font-size: 1.18rem;
  color: var(--color-primary);
  margin-bottom: 5px;
  font-weight: 700;
}
.faq-list p {
  margin-bottom: 18px;
  color: var(--color-secondary);
}

/* FOOTER */
footer {
  background: var(--color-secondary);
  color: var(--color-accent);
  padding: 32px 0 28px;
  margin-top: 42px;
}
footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  margin-bottom: 14px;
}
footer nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  text-transform: uppercase;
  font-size: .97rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: color 0.18s;
}
footer nav a:hover, footer nav a:focus { color: var(--color-white); }
.footer-contact {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: flex-start;
  font-size: 1rem;
  line-height: 1.7;
  margin-top: 8px;
}
.footer-contact img { width: 18px; height: 18px; margin-right: 7px; vertical-align: middle; }
.footer-contact p { color: var(--color-accent); margin-bottom: 0; font-family: var(--font-body); }

/* CONTACT DATA (KONTAKTSEITE) */
.contact-data {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 12px 0 5px 0;
}
.contact-data img { width: 17px; height: 17px; margin-right: 6px; vertical-align: bottom; }

/* BUTTONS & LINKS */
.btn-primary, .mobile-menu-toggle, .mobile-menu-close, .cookie-banner button, .cookie-modal-action {
  transition: var(--transition);
}
.btn-primary:active { transform: scale(0.97); }
a { cursor: pointer; }
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* MOBILE NAVIGATION */
.mobile-menu-toggle {
  display: none;
  background: var(--color-accent);
  color: var(--color-secondary);
  border: none;
  border-radius: 11px;
  font-size: 2.4rem;
  padding: 3px 18px 4px 14px;
  margin-left: auto;
  cursor: pointer;
  position: relative;
  z-index: 2200;
  box-shadow: 0 2px 8px rgba(33,87,50, 0.16);
}
.mobile-menu-toggle:focus, .mobile-menu-toggle:hover {
  background: var(--color-primary);
  color: var(--color-accent);
}
.mobile-menu {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: var(--color-secondary);
  position: fixed;
  z-index: 3000;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  transform: translateX(-100vw);
  transition: transform 0.33s cubic-bezier(.83,.27,.14,.93);
  opacity: 0.991;
  box-shadow: 0 0 0 999vw rgba(20,30,40,0.22), 0 11px 31px rgba(30,56,87,0.10);
}
.mobile-menu.open {
  transform: translateX(0);
  transition: transform 0.33s cubic-bezier(.24,.71,.09,1.01);
}
.mobile-menu-close {
  background: none;
  border: none;
  color: var(--color-accent);
  font-size: 2.4rem;
  align-self: flex-end;
  margin: 20px;
  cursor: pointer;
  outline: none;
  z-index: 3200;
}
.mobile-menu-close:focus, .mobile-menu-close:hover {
  color: var(--color-white);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 34px;
  padding: 40px 32px 28px 38px;
  margin-top: 24px;
}
.mobile-nav a {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: 9px;
  padding: 10px 8px;
  margin: 0 0 0 3px;
  transition: background 0.16s, color 0.16s;
  width: max-content;
}
.mobile-nav a:active, .mobile-nav a:hover, .mobile-nav a:focus {
  background: var(--color-accent);
  color: var(--color-primary);
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 1050px) {
  .container { max-width: 96vw; }
  .content-wrapper { padding: 27px 10px; } 
  .feature {
    min-width: 180px;
  }
}
@media (max-width: 900px) {
  .content-grid, .feature-grid, .card-container {
    flex-direction: column;
    gap: 18px;
  }
  .hero h1 {
    font-size: 1.75rem;
  }
  .footer-contact {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }
}
@media (max-width: 768px) {
  .container { padding: 0 7px; }
  header .container {
    flex-direction: row;
    gap: 11px;
    padding-top: 12px; padding-bottom: 12px;
  }
  header nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .btn-primary {
    padding: 10px 19px;
    font-size: 1rem;
  }
  .hero .container { padding-top: 22px; padding-bottom: 16px; }
  .section { padding: 23px 4px; margin-bottom: 38px; }
  .content-wrapper { padding: 16px 4px; gap: 9px; }
  .feature, .card { padding: 14px 7px 12px 7px; }
}
@media (max-width: 650px) {
  .hero h1 { font-size: 1.27rem; }
  .footer-contact { font-size: .88rem; }
}
@media (max-width: 575px) {
  .content-wrapper { border-radius: 8px; }
  .project-summary, .case-study-snippet { border-radius: 7px; padding :12px 9px; }
}
@media (max-width: 480px) {
  html { font-size: 14px; }
  .btn-primary { min-width: 90px; }
}
@media (max-width: 768px) {
  .text-image-section { flex-direction: column; gap: 18px; align-items: flex-start; }
  .mobile-menu { width: 100vw; }
}

/* COOKIE CONSENT BANNER */
.cookie-banner {
  position: fixed;
  left: 0; bottom: 0;
  width: 100vw; max-width: 100vw;
  background: var(--color-white);
  color: var(--color-primary);
  box-shadow: 0 -4px 16px rgba(30,56,87,0.09);
  z-index: 5000;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 16px;
  padding: 18px 24px 14px 24px;
  border-top: 4px solid var(--color-accent);
  justify-content: space-between;
  min-height: 65px;
  animation: cookie-fade-in 0.34s cubic-bezier(.12,.58,.9,.87) 1;
}
@keyframes cookie-fade-in {
  0% { opacity: 0; bottom: -30px; }
  100% { opacity: 1; bottom: 0; }
}
.cookie-banner__msg {
  font-family: var(--font-body);
  color: var(--color-secondary);
  font-size: .97rem; line-height: 1.6;
}
.cookie-banner__actions {
  display: flex;
  flex-direction: row;
  gap: 12px;
  align-items: center;
}
.cookie-banner button {
  border: none;
  border-radius: 24px;
  padding: 8px 22px;
  font-size: 1.02rem;
  font-family: var(--font-display);
  font-weight: 700;
  cursor: pointer;
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 2px 7px rgba(33,87,50,0.07);
  transition: var(--transition);
  margin-right: 0;
}
.cookie-banner button.accept {
  background: var(--color-primary);
  color: var(--color-accent);
}
.cookie-banner button.reject {
  background: var(--color-secondary);
  color: var(--color-accent);
}
.cookie-banner button.settings {
  background: var(--color-accent);
  color: var(--color-primary);
}
.cookie-banner button:hover, .cookie-banner button:focus {
  background: var(--color-secondary);
  color: var(--color-accent);
  outline: 2px solid var(--color-accent);
}
@media (max-width: 650px) {
  .cookie-banner {
    flex-direction: column;
    gap: 8px;
    padding: 16px 7px 11px 7px;
    min-height: unset;
    align-items: flex-start;
  }
  .cookie-banner__actions {
    width: 100%;
    gap: 6px;
  }
}

/* COOKIE PREFERENCES MODAL */
.cookie-modal {
  position: fixed;
  left: 0; top: 0; width: 100vw; height: 100vh;
  background: rgba(33,56,87,0.25);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 6000;
  animation: modal-fade-in 0.34s cubic-bezier(.21,.76,.56,1) 1;
}
@keyframes modal-fade-in {
  0% { opacity: 0; transform: scale(0.97); }
  100% { opacity: 1; transform: scale(1); }
}
.cookie-modal__content {
  background: var(--color-white);
  color: var(--color-primary);
  border-radius: 22px;
  box-shadow: 0 8px 62px rgba(30,56,87,0.14);
  padding: 34px 32px 26px 32px;
  min-width: 310px;
  max-width: 98vw;
  display: flex;
  flex-direction: column;
  gap: 19px;
  position: relative;
}
.cookie-modal__header {
  font-family: var(--font-display);
  font-size: 1.43rem;
  color: var(--color-secondary);
  font-weight: 700;
  margin-bottom: 8px;
}
.cookie-modal__categories {
  margin-bottom: 6px;
}
.cookie-modal__category {
  display: flex;
  align-items: center;
  gap: 13px;
  margin-bottom: 9px;
}
.cookie-modal__category label {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-primary);
  font-weight: 600;
}
.cookie-modal__category input[type='checkbox'] {
  appearance: none;
  width: 24px; height: 24px;
  border: 2px solid var(--color-secondary);
  border-radius: 6px;
  background: var(--color-accent);
  outline: none;
  cursor: pointer;
  margin-right: 4px;
  transition: background 0.13s, border-color 0.13s;
}
.cookie-modal__category input[type='checkbox']:checked {
  background: var(--color-primary);
  border-color: var(--color-accent);
}
.cookie-modal-action {
  background: var(--color-primary);
  color: var(--color-accent);
  border: none;
  border-radius: 26px;
  padding: 11px 28px;
  font-size: 1.08rem;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
  margin-right: 10px;
  transition: var(--transition);
}
.cookie-modal-action.secondary {
  background: var(--color-secondary);
  color: var(--color-accent);
}
.cookie-modal-action:hover, .cookie-modal-action:focus {
  background: var(--color-accent);
  color: var(--color-primary);
  outline: 2px solid var(--color-secondary);
}
.cookie-modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  color: var(--color-secondary);
  font-size: 1.45rem;
  cursor: pointer;
}
.cookie-modal-close:hover, .cookie-modal-close:focus {
  color: var(--color-accent);
}

/* VISUAL GEOMETRIC/STRUCTURED ACCENTS */
.feature, .testimonial-card, .project-summary, .case-study-snippet, .content-wrapper {
  box-shadow: var(--shadow);
  position: relative;
  border-radius: var(--border-radius);
}
.feature:before {
  content: "";
  display: block;
  position: absolute;
  top: 11px; right: 13px;
  width: 28px; height: 28px;
  background: var(--color-accent);
  opacity: 0.09;
  clip-path: polygon(0 0, 100% 0, 80% 100%, 0% 100%);
  z-index: 0;
}
.feature h3, .feature p, .feature img {
  position: relative;
  z-index: 1;
}
.card:before {
  content: "";
  display: block;
  position: absolute;
  bottom: 8px; left: 11px;
  width: 31px; height: 19px;
  background: var(--color-secondary);
  opacity: 0.10;
  clip-path: polygon(100% 0, 100% 100%, 0 100%, 20% 0);
  z-index: 0;
}

/* List styling: use geometric markers */
ul {
  margin-left: 0;
}
ul li {
  padding-left: 28px;
  background: none;
  position: relative;
  margin-bottom: 11px;
}
ul li:before {
  content: "";
  position: absolute;
  left: 4px; top: .72em;
  width: 14px; height: 14px;
  background: var(--color-accent);
  border-radius: 1px;
  clip-path: polygon(80% 0%, 100% 100%, 0% 100%, 16% 0);
  display: inline-block;
}
ul li li:before { background: var(--color-secondary); }

/* Visual Microinteractions */
.feature:hover, .testimonial-card:hover, .project-summary:hover, .case-study-snippet:hover {
  box-shadow: 0 8px 34px rgba(30,56,87,0.14);
  transform: translateY(-2px) scale(1.016);
}
.testimonial-card:hover {
  background: #fffde9;
}

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

/* GEOMETRIC STRUCTURED ACCENT (SVG or DIV) */
.geometric-accent {
  width: 56px; height: 56px;
  background: var(--color-accent);
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(255,214,0,.10);
  position: absolute;
  top: -18px; right: -19px;
  z-index: 2;
  opacity: 0.13;
}

/* ACCESSIBILITY */
:focus { outline: 2px solid var(--color-secondary); outline-offset: 2px; }

/* === END OF CSS === */