/*------------------------------------------------------------------
  CSS RESET & NORMALIZE (mobile-first)
------------------------------------------------------------------*/
html {
  box-sizing: border-box;
  font-size: 16px;
}
*, *:before, *:after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}
body {
  font-family: 'Open Sans', Arial, Helvetica, sans-serif;
  color: #21445B;
  background-color: #F3F6FA;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  line-height: 1.6;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: #21445B;
  text-decoration: none;
  transition: color 0.2s;
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: transparent;
}
ul, ol {
  margin-left: 1.4em;
  margin-bottom: 16px;
}
ul li, ol li {
  margin-bottom: 8px;
  line-height: 1.5;
}

/*------------------------------------------------------------------
  BRAND COLORS & FONTS
------------------------------------------------------------------*/
:root {
  --color-primary: #21445B;
  --color-secondary: #B4C6D1;
  --color-accent: #F3F6FA;
  --color-gradient-start: #B4C6D1;
  --color-gradient-end: #21445B;
  --color-dark: #141D26;
  --color-white: #fff;
  --color-focus: #609dd7;
  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;
  --shadow-card: 0 4px 18px rgba(33,68,91, 0.08), 0 1.5px 4px rgba(33,68,91,0.08);
  --radius: 14px;
}

/*------------------------------------------------------------------
  GLOBAL CONTAINER AND SPACING
------------------------------------------------------------------*/
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
}

/*------------------------------------------------------------------
  TYPOGRAPHY: Modern Font Hierarchy
------------------------------------------------------------------*/
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.01em;
  margin-bottom: 8px;
}
h1 {
  font-size: 2.7rem;
  margin-bottom: 10px;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.4rem;
}
h4 {
  font-size: 1.17rem;
}
h5, h6 {
  font-size: 1rem;
  letter-spacing: 0.02em;
}
p {
  margin-bottom: 12px;
  font-size: 1.05rem;
  color: var(--color-dark);
}
strong {
  font-weight: 700;
}

/*------------------------------------------------------------------
  HEADER, NAV & MOBILE MENU
------------------------------------------------------------------*/
header {
  background: linear-gradient(90deg, var(--color-gradient-start) 0%, var(--color-gradient-end) 100%);
  box-shadow: 0 2px 8px rgba(33,68,91,0.04);
}
.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding: 16px 0;
  position: relative;
}
.header-container img {
  height: 38px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.main-nav a {
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--color-primary);
  font-weight: 500;
  background: none;
  border-radius: 6px;
  padding: 8px 16px;
  transition: background 0.2s, color 0.2s;
}
.main-nav a:hover, .main-nav a:focus {
  background: var(--color-secondary);
  color: var(--color-dark);
}
.cta-btn {
  font-family: var(--font-display);
  background: linear-gradient(90deg, var(--color-gradient-end) 0%, var(--color-gradient-start) 100%);
  color: #fff;
  border-radius: 24px;
  padding: 10px 28px;
  margin-left: 16px;
  font-size: 1.09rem;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(33,68,91,0.07);
  transition: background 0.2s, color 0.2s, box-shadow 0.2s, transform 0.15s;
  border: none;
  cursor: pointer;
  outline: none;
  position: relative;
  z-index: 2;
}
.cta-btn:hover, .cta-btn:focus {
  background: linear-gradient(90deg, #2d7097, #B4C6D1);
  color: #fff;
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 6px 24px rgba(33,68,91,0.16);
}
/* Hide default mobile menu button by default */
.mobile-menu-toggle {
  display: none;
  background: none;
  color: var(--color-primary);
  font-size: 2rem;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.18s;
  z-index: 102;
}
.mobile-menu-toggle:focus {
  background: var(--color-secondary);
}

/*-------------------------------
  MOBILE NAV - BURGER MENU STYLE
-------------------------------*/
.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: #fff;
  box-shadow: 0 0 40px rgba(33,68,91,0.11);
  z-index: 101;
  transition: transform 0.3s cubic-bezier(.67,.13,.1,1), opacity 0.29s;
  transform: translateX(-110%);
  opacity: 0;
  pointer-events: none;
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  align-self: flex-end;
  margin: 24px 24px 0 0;
  background: none;
  color: #21445B;
  font-size: 2rem;
  border-radius: 8px;
  padding: 4px 14px;
  cursor: pointer;
  transition: background 0.15s;
}
.mobile-menu-close:focus, .mobile-menu-close:hover {
  background: var(--color-secondary);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  padding: 30px 32px 0 32px;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 1.24rem;
  color: var(--color-primary);
  font-weight: 600;
  padding: 14px 0;
  border-radius: 5px;
  transition: background 0.13s, color 0.17s;
}
.mobile-nav a:focus, .mobile-nav a:hover {
  background: var(--color-secondary);
  color: var(--color-dark);
}

/*----------------------
  HERO SECTION
----------------------*/
.hero {
  width: 100%;
  background: linear-gradient(135deg, #F3F6FA 0%, #B4C6D1 62%, #21445B 100%);
  padding: 60px 0 45px 0;
}
.hero .container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 30px;
}
.hero h1 {
  color: var(--color-primary);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.13;
}
.hero p {
  color: var(--color-dark);
  font-size: 1.22rem;
  max-width: 680px;
}
.hero .cta-btn {
  margin-top: 15px;
}

/*----------------------
  FEATURES AND CARDS
----------------------*/
.features, .feature-grid {
  width: 100%;
}
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
  margin-top: 10px;
}
.feature-item {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 26px 22px;
  min-width: 240px;
  flex: 1 1 240px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 20px;
  transition: box-shadow 0.2s, transform 0.2s;
  position: relative;
}
.feature-item img {
  width: 44px;
  height: 44px;
  margin-bottom: 5px;
}
.feature-item h3 {
  font-size: 1.18rem;
}
.feature-item:hover {
  box-shadow: 0 12px 32px rgba(33,68,91,0.15);
  transform: translateY(-3px) scale(1.02);
}

/*----------------------
  ABOUT, PROJECT, STEPS, VALUES, LEGAL, ETC.
----------------------*/
.text-section {
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--color-dark);
}
.timeline, .usp-list, .customization-options, .sustainability, .trust-factors, .design-merkmale, .info-list {
  margin-top: 18px;
  font-size: 1rem;
}

/*----------------------
  CTA SECTIONS
----------------------*/
.cta {
  width: 100%;
  background: linear-gradient(100deg, #B4C6D1 0%, #fff 60%);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  margin-bottom: 60px;
  padding: 38px 20px;
}
.cta h2 {
  font-size: 2.18rem;
  color: var(--color-primary);
}
.cta p {
  font-size: 1.13rem;
  margin-bottom: 18px;
}

/*----------------------
  TESTIMONIALS
----------------------*/
.testimonials {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: #FBFCFE;
}
.testimonials .content-wrapper > h2 {
  margin-bottom: 16px;
  color: var(--color-primary);
}
.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  background: #fff;
  border-radius: var(--radius);
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
  padding: 20px;
  max-width: 620px;
  color: #263646;
  transition: box-shadow 0.2s, transform 0.15s;
}
.testimonial-card:hover {
  box-shadow: 0 8px 32px rgba(33, 68, 91, 0.12);
  transform: translateY(-2px) scale(1.01);
}
.testimonial-card p {
  color: #222a33;
  font-size: 1.14rem;
  margin-bottom: 5px;
}
.testimonial-card span {
  color: var(--color-primary);
  font-size: 1rem;
  font-family: var(--font-body);
  font-weight: 600;
}

/*----------------------
  FOOTER
----------------------*/
footer {
  background: linear-gradient(90deg, #21445B 0%, #B4C6D1 100%);
  color: #fff;
  padding: 40px 0 20px 0;
  margin-top: 40px;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
}
footer .content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 32px;
  align-items: flex-start;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 8px;
}
.footer-nav a {
  color: #f1f6fa;
  font-size: 1.03rem;
  font-family: var(--font-body);
  font-weight: 500;
  transition: color 0.14s, text-decoration 0.13s;
}
.footer-nav a:hover, .footer-nav a:focus {
  color: #fff;
  text-decoration: underline;
}
.footer-contact-info {
  color: #e6eefa;
  font-size: 0.98rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.footer-contact-info img {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  margin-right: 7px;
}
.footer-brand-statement {
  font-size: 1rem;
  color: #eafdff;
  opacity: 0.93;
}

/*--------------------------
  THANK YOU PAGE
--------------------------*/
.thank-you {
  padding: 60px 20px 70px 20px;
  background: linear-gradient(120deg, #F3F6FA 45%, #B4C6D1 100%);
  border-radius: var(--radius);
}
.thank-you h1 {
  color: var(--color-primary);
  font-size: 2.2rem;
  margin-bottom: 15px;
}
.thank-you ul {
  padding-left: 18px;
  margin-top: 8px;
  margin-bottom: 14px;
}

/*------------------------------------------------------------------
  FLEXBOX LAYOUT CLASSES (MANDATORY)
------------------------------------------------------------------*/
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  position: relative;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  min-width: 220px;
  transition: box-shadow 0.2s, transform 0.17s;
}
.card:hover {
  box-shadow: 0 8px 24px rgba(33,68,91,0.15);
  transform: translateY(-2px) scale(1.01);
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 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;
  margin-bottom: 24px;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
}
.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
}

/*------------------------------------------------------------------
  RESPONSIVE BREAKPOINTS
------------------------------------------------------------------*/
@media (max-width: 1024px) {
  .container {
    max-width: 94vw;
    padding-left: 10px;
    padding-right: 10px;
  }
  .feature-grid {
    gap: 18px;
  }
}

@media (max-width: 900px) {
  .feature-grid {
    flex-direction: column;
    gap: 16px;
  }
  .features .feature-item, .feature-item {
    min-width: 0;
    width: 100%;
  }
}
@media (max-width: 780px) {
  .header-container {
    gap: 11px;
  }
  .main-nav {
    gap: 14px;
  }
}
@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
    flex-direction: row;
    gap: 0;
  }
  .main-nav {
    display: none;
  }
  .cta-btn {
    margin-left: 0;
  }
  .mobile-menu-toggle {
    display: block;
  }
  .footer-nav {
    flex-direction: column;
    gap: 12px;
  }
  .content-grid, .card-container {
    flex-direction: column;
    gap: 16px;
  }
  .text-image-section {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }
  .testimonial-card {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .container {
    padding-left: 5vw;
    padding-right: 5vw;
  }
}
@media (max-width: 520px) {
  h1 {
    font-size: 1.58rem;
  }
  h2 {
    font-size: 1.14rem;
  }
  .feature-item {
    padding: 18px 8px;
  }
  .card-content {
    padding: 14px;
  }
  .footer-contact-info,
  .footer-brand-statement {
    font-size: 0.92rem;
  }
  .hero {
    padding-top: 30px;
    padding-bottom: 25px;
  }
  .thank-you, .cta, .testimonials {
    padding: 28px 10px;
    border-radius: 0;
  }
}

/*------------------------------------------------------------------
  FORM ELEMENTS
------------------------------------------------------------------*/
input, textarea, select {
  background: #fff;
  border: 1px solid var(--color-secondary);
  border-radius: 7px;
  padding: 10px 14px;
  font-size: 1rem;
  color: var(--color-dark);
  margin-bottom: 18px;
  transition: border 0.17s;
}
input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-focus);
}
label {
  margin-bottom: 8px;
  display: block;
  color: var(--color-primary);
  font-weight: 500;
}

/*------------------------------------------------------------------
  COOKIE CONSENT BANNER & MODAL
------------------------------------------------------------------*/
#cookie-consent-banner {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100vw;
  background: linear-gradient(90deg,#F3F6FA 60%, #B4C6D1 100%);
  color: #222a33;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding: 22px 18px;
  box-shadow: 0 -4px 16px rgba(33,68,91,0.07);
  z-index: 3000;
  border-top-right-radius: 14px;
  border-top-left-radius: 14px;
  font-size: 1.01rem;
  animation: cookieBannerAppear .7s cubic-bezier(.58,-0.19,.36,1.18);
}
@keyframes cookieBannerAppear {
  0% { opacity: 0; transform: translateY(50px); }
  100% { opacity: 1; transform: translateY(0); }
}
#cookie-consent-banner .cookie-btn-group {
  display: flex;
  gap: 13px;
  flex-wrap: wrap;
}
.cookie-btn {
  font-family: var(--font-display);
  font-size: 1.02rem;
  background: var(--color-primary);
  color: #fff;
  padding: 8px 22px;
  border-radius: 22px;
  font-weight: 600;
  cursor: pointer;
  margin-right: 2px;
  transition: background 0.17s, color 0.17s, transform 0.1s;
  box-shadow: 0 1px 6px rgba(33,68,91,0.06);
}
.cookie-btn:hover, .cookie-btn:focus {
  background: #2d7097;
  transform: scale(1.04);
  color: #fff;
}
.cookie-btn.cookie-secondary {
  background: var(--color-secondary);
  color: var(--color-primary);
}
.cookie-btn.cookie-secondary:hover, .cookie-btn.cookie-secondary:focus {
  background: #ddeaf4;
  color: #222a33;
}

#cookie-modal {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%) scale(1);
  background: #fff;
  box-shadow: 0 10px 44px rgba(33,68,91,0.19);
  border-radius: var(--radius);
  padding: 32px 24px 20px 24px;
  z-index: 4000;
  min-width: 320px;
  max-width: 94vw;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  animation: cookieModalFadeIn 0.34s cubic-bezier(.58,-0.19,.36,1.18);
}
@keyframes cookieModalFadeIn {
  0% { opacity: 0; transform: translate(-50%, 30px) scale(0.97); }
  100% { opacity: 1; transform: translate(-50%, 0) scale(1); }
}
#cookie-modal.hidden {
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transform: translate(-50%, 25px) scale(0.97);
  transition: opacity 0.2s, transform 0.2s;
}
#cookie-modal h2 {
  font-size: 1.41rem;
  margin-bottom: 7px;
  color: var(--color-primary);
}
#cookie-modal .cookie-categories {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}
.cookie-category {
  font-size: 1rem;
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid var(--color-accent);
}
.cookie-toggle {
  appearance: none;
  width: 36px;
  height: 20px;
  background: var(--color-secondary);
  border-radius: 12px;
  position: relative;
  outline: none;
  cursor: pointer;
  transition: background 0.18s;
}
.cookie-toggle:checked {
  background: var(--color-primary);
}
.cookie-toggle::before {
  content: '';
  position: absolute;
  top: 2px; left: 2px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: #fff;
  transition: left 0.18s;
  box-shadow: 0 2px 4px rgba(33,68,91,0.07);
}
.cookie-toggle:checked::before {
  left: 18px;
}
#cookie-modal .cookie-modal-btns {
  display: flex;
  gap: 15px;
  justify-content: flex-end;
  margin-top: 20px;
}
#cookie-modal .cookie-btn {
  min-width: 100px;
}

/* Hide modal and banner by default; show via JS */
#cookie-modal, #cookie-consent-banner {
  display: none;
}
#cookie-modal.active, #cookie-consent-banner.active {
  display: flex;
}

/*------------------------------------------------------------------
  MISC COMPONENTS
------------------------------------------------------------------*/
::-webkit-scrollbar {
  width: 10px;
  background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
  background: var(--color-secondary);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: #B4C6D1;
}

hr {
  border: none;
  border-top: 1px solid #B4C6D1;
  margin: 24px 0;
}

/*------------------------------------------------------------------
  ACCESSIBILITY
------------------------------------------------------------------*/
a:focus, button:focus, .cta-btn:focus, input:focus, textarea:focus, select:focus {
  outline: 2px solid var(--color-focus);
  outline-offset: 1px;
}

/*------------------------------------------------------------------
  CODE END
------------------------------------------------------------------*/