/* -----------------------------------------------------
CSS RESET & NORMALIZE
----------------------------------------------------- */
html {
  box-sizing: border-box;
}
*, *:before, *:after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}
body, h1, h2, h3, h4, h5, h6, p, ul, ol, li, figure, figcaption, blockquote, dl, dd {
  margin: 0;
  padding: 0;
  font-weight: normal;
}
ul, ol {
  list-style: none;
}
a {
  color: inherit;
  text-decoration: none;
  background: transparent;
  transition: color 0.25s;
}
img, svg {
  max-width: 100%;
  display: block;
  height: auto;
}
button, input, select, textarea {
  font: inherit;
  background: none;
  border: none;
  outline: none;
  box-shadow: none;
}
button {
  cursor: pointer;
}

/* -----------------------------------------------------
MONOCHROME SOPHISTICATED COLOR PALETTE & TYPOGRAPHY
----------------------------------------------------- */
:root {
  --rr-black: #1a1a1a;
  --rr-white: #fff;
  --rr-gray-100: #f7f7f7;
  --rr-gray-200: #eeeeee;
  --rr-gray-300: #cccccc;
  --rr-gray-400: #999999;
  --rr-gray-500: #757575;
  --rr-gray-600: #3a3a3a;
  --rr-blue: #29405B;
  --rr-blue-light: #8CBFB9;
  --rr-accent: #F7F4F1;
  --brand-primary: var(--rr-black);
  --brand-secondary: var(--rr-gray-500);
  --brand-background: var(--rr-white);
  --brand-accent: var(--rr-white);
  --shadow-light: 0 2px 16px rgba(0,0,0,0.08);
  --shadow-heavy: 0 4px 32px rgba(0,0,0,0.16);
  --border-radius: 14px;
  --transition-fast: 0.15s cubic-bezier(.4,0,.2,1);
  --transition-medium: 0.28s cubic-bezier(.4,0,.2,1);
}

body {
  background: var(--brand-background);
  color: var(--brand-primary);
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  font-weight: 400;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 700;
  line-height: 1.1;
  color: var(--rr-black);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
h1 { font-size: 2.75rem; margin-bottom: 24px; }
h2 { font-size: 2rem; margin-bottom: 20px; }
h3 { font-size: 1.375rem; margin-bottom: 12px; }
h4 { font-size: 1.1rem; }

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.38rem; }
  h3 { font-size: 1.1rem; }
}

p, ul, ol {
  color: var(--rr-gray-600);
  font-size: 1rem;
  margin-bottom: 16px;
}
p.subheadline {
  font-size: 1.2rem;
  color: var(--rr-black);
  margin-bottom: 32px;
}

/* -----------------------------------------------------
LAYOUT CONTAINERS & FLEXBOX RULES
----------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1220px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}

.content-wrapper {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.section {
  margin-bottom: 60px;
  padding: 40px 20px;
  background: var(--brand-background);
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  margin-bottom: 20px;
  background: var(--brand-background);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  position: relative;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
  min-width: 270px;
  flex: 1 1 280px;
  padding: 28px 24px;
}
.card:hover {
  box-shadow: var(--shadow-heavy);
  transform: translateY(-4px) scale(1.013);
}

.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: 20px;
  }
}

.testimonial-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
  background: var(--rr-gray-100);
  padding: 24px 28px;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  margin-bottom: 20px;
  max-width: 560px;
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}
.testimonial-card:hover,
.testimonial-card:focus-within {
  box-shadow: 0 6px 32px rgba(0,0,0,0.19);
  transform: translateY(-2px) scale(1.0105);
}

.testimonial-card p {
  color: var(--rr-black);
  font-size: 1.08rem;
  line-height: 1.5;
  margin-bottom: 4px;
}
.testimonial-card span {
  font-size: 0.97rem;
  color: var(--rr-gray-500);
  font-style: italic;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  background: var(--rr-gray-100);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow-light);
}

/* Feature Grid (for Leistungen & Projekte Beispiele) */
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 24px;
  margin-bottom: 12px;
}
.feature-grid > div {
  background: var(--rr-accent);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-light);
  flex: 1 1 270px;
  min-width: 265px;
  padding: 28px 22px 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: box-shadow var(--transition-medium), transform var(--transition-medium);
}
.feature-grid > div:hover {
  box-shadow: var(--shadow-heavy);
  transform: translateY(-3px) scale(1.01);
}
.feature-grid h3 {
  font-size: 1.18rem;
  margin-bottom: 7px;
  color: var(--rr-black);
  line-height: 1.23;
}
.feature-grid img {
  width: 38px;
  height: 38px;
  margin-bottom: 14px;
  opacity: 0.87;
}
.feature-grid > div span, .feature-grid > div ul, .feature-grid > div p {
  font-size: 1rem;
  color: var(--rr-gray-600);
}

/* -----------------------------------------------------
HEADER & SITE NAVIGATION
----------------------------------------------------- */
header {
  background: var(--rr-white);
  box-shadow: 0 2px 10px rgba(0,0,0,0.04);
  position: sticky;
  top: 0;
  z-index: 1002;
  width: 100%;
}
.main-nav {
  display: flex;
  align-items: center;
  padding: 16px 8px;
  gap: 12px 26px;
  flex-wrap: wrap;
  justify-content: flex-start;
}
.main-nav > a {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--rr-black);
  font-size: 1.01rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  position: relative;
  padding: 4px 4px;
  border-radius: 6px;
  transition: background var(--transition-fast), color var(--transition-fast);
  margin-right: 8px;
}
.main-nav > a:hover, .main-nav > a:focus-visible {
  background: var(--rr-gray-100);
  color: var(--rr-blue);
}
.main-nav img {
  width: 38px;
  height: 38px;
  margin-right: 12px;
}
.cta-btn {
  background: var(--rr-black);
  color: var(--rr-white) !important;
  padding: 11px 22px;
  border-radius: 22px;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1.07rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 3px 14px rgba(34,34,34,0.09);
  margin-left: 8px;
  transition: background var(--transition-fast), box-shadow var(--transition-fast), color var(--transition-fast);
  border: none;
  outline: none;
  display: inline-block;
}
.cta-btn:hover, .cta-btn:focus-visible {
  background: var(--rr-blue);
  color: var(--rr-white);
  box-shadow: 0 4px 18px rgba(20,20,30,0.15);
}

/* -----------------------------------------------------
MOBILE NAVIGATION
----------------------------------------------------- */
.mobile-menu-toggle {
  display: none;
  background: var(--rr-black);
  color: var(--rr-white);
  border-radius: 50%;
  font-size: 2.3rem;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 14px;
  right: 18px;
  z-index: 1501;
  transition: box-shadow var(--transition-fast), background var(--transition-fast);
  box-shadow: 0 4px 24px rgba(0,0,0,0.13);
  border: none;
  outline: none;
}
.mobile-menu-toggle:active, .mobile-menu-toggle:focus {
  box-shadow: 0 4px 42px rgba(0,0,0,0.19);
  background: var(--rr-blue);
}

.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--rr-white);
  box-shadow: 0 12px 64px rgba(0,0,0,0.13);
  z-index: 2000;
  transform: translateX(-100vw);
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-medium), opacity var(--transition-medium);
}
.mobile-menu.open {
  transform: translateX(0);
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-close {
  font-size: 2rem;
  color: var(--rr-black);
  background: none;
  border: none;
  border-radius: 50%;
  width: 46px;
  height: 46px;
  margin: 28px 2px 10px 14px;
  align-self: flex-end;
  transition: background var(--transition-fast);
}
.mobile-menu-close:hover, .mobile-menu-close:focus {
  background: var(--rr-gray-200);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
  margin-top: 0;
  padding-left: 28px;
}
.mobile-nav a {
  font-size: 1.17rem;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--rr-black);
  padding: 10px 0;
  border-radius: 6px;
  transition: color var(--transition-fast), background var(--transition-fast);
  font-weight: 600;
}
.mobile-nav a:hover, .mobile-nav a:focus {
  color: var(--rr-blue);
  background: var(--rr-gray-100);
}

@media (max-width: 1020px) {
  .main-nav {
    gap: 8px 14px;
    padding: 11px 0;
  }
}
@media (max-width: 900px) {
  .main-nav > a:not(:first-child):not(.cta-btn) {
    font-size: .97rem;
    margin-right: 2px;
  }
}
@media (max-width: 800px) {
  .main-nav > a, .main-nav img {
    font-size: 0.98rem;
    margin-right: 0;
  }
  .cta-btn {
    font-size: 0.98rem;
    padding: 9px 18px;
  }
}
@media (max-width: 720px) {
  .main-nav {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
}
@media (min-width: 721px) {
  .mobile-menu, .mobile-menu-toggle {
    display: none !important;
  }
}

/* -----------------------------------------------------
MAIN CONTENT & SECTION SPACING
----------------------------------------------------- */
main {
  padding-top: 38px;
  min-height: 60vh;
}
section {
  margin-bottom: 60px;
  padding: 40px 20px;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  background: var(--rr-white);
  box-shadow: none;
}
@media (max-width: 900px) {
  .section, section {
    margin-bottom: 45px;
    padding: 30px 6px;
  }
  .container {
    padding-left: 4px;
    padding-right: 4px;
  }
}
@media (max-width: 640px) {
  .section, section {
    margin-bottom: 28px;
    padding: 18px 1px;
  }
  .container {
    padding-left: 0;
    padding-right: 0;
  }
}

.text-section {
  max-width: 770px;
  margin-left: auto;
  margin-right: auto;
}

ul {
  list-style: none;
  margin-bottom: 12px;
}
ul li {
  margin-bottom: 8px;
  position: relative;
  padding-left: 26px;
  color: var(--rr-black);
  font-size: 1.01rem;
}
ul li strong {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  color: var(--rr-black);
}
ul li:before {
  content: '';
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--rr-gray-400);
  border-radius: 50%;
  position: absolute;
  left: 7px;
  top: 10px;
  opacity: 0.68;
}

@media (max-width: 700px) {
  .content-wrapper, .feature-grid {
    gap: 14px;
  }
  ul, ol {
    padding-left: 0;
  }
  ul li {
    font-size: 0.98rem;
    padding-left: 19px;
  }
  ul li:before { left: 2px; }
}

/* -----------------------------------------------------
FOOTER
----------------------------------------------------- */
footer {
  background: var(--rr-black);
  color: var(--rr-white);
  box-shadow: 0 -2px 12px rgba(30,30,40,0.04);
  width: 100vw;
}
footer section {
  background: transparent;
  margin-bottom: 0;
  padding-top: 33px;
  padding-bottom: 32px;
  padding-left: 10px;
  padding-right: 10px;
  border-radius: 0;
}
footer .content-wrapper {
  flex-direction: row;
  gap: 28px;
  align-items: flex-start;
  justify-content: space-between;
}
footer img {
  max-width: 46px;
  margin-bottom: 16px;
}
.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav a {
  color: var(--rr-gray-200);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 500;
  font-size:1.01rem;
  opacity: 0.95;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}
.footer-nav a:hover, .footer-nav a:focus-visible {
  color: var(--rr-blue-light);
  opacity: 1;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 7px;
  font-size: 1.01rem;
  color: var(--rr-gray-300);
  margin-top: 8px;
}
.footer-contact span {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--rr-gray-200);
  font-size: .98rem;
}
.footer-contact img {
  width: 19px;
  height: 19px;
  margin-bottom: 0;
  opacity: 0.90;
}
@media (max-width: 750px) {
  footer .content-wrapper {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
  }
  .footer-nav {
    flex-direction: row;
    gap: 11px;
    flex-wrap: wrap;
  }
}

/* -----------------------------------------------------
BUTTONS & LINKS
----------------------------------------------------- */
button, .cta-btn {
  border: none;
  outline: none;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 21px;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}
button:active, .cta-btn:active {
  transform: scale(0.98);
}
a {
  transition: color var(--transition-fast);
}
a:focus {
  outline: 2px solid var(--rr-blue-light);
  outline-offset: 2px;
}

/* -----------------------------------------------------
FORMS
----------------------------------------------------- */
input, textarea, select {
  background: var(--rr-gray-100);
  border: 1px solid var(--rr-gray-300);
  border-radius: 8px;
  padding: 11px 16px;
  font-size: 1rem;
  color: var(--rr-black);
  margin-bottom: 14px;
  transition: border var(--transition-fast), box-shadow var(--transition-fast);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--rr-blue);
  box-shadow: 0 2px 8px rgba(60,80,100,0.07);
}

/* -----------------------------------------------------
RESPONSIVE FIXES
----------------------------------------------------- */
@media (max-width: 1050px) {
  .feature-grid > div {
    flex-basis: 340px;
    min-width: 220px;
  }
}
@media (max-width: 850px) {
  .feature-grid {
    gap: 18px;
  }
  .feature-grid > div {
    flex-basis: 260px;
    min-width: 170px;
    padding: 18px 10px 18px 10px;
  }
}
@media (max-width: 600px) {
  .feature-grid {
    flex-direction: column;
    gap: 14px;
  }
  .feature-grid > div {
    width: 100%;
    min-width: none;
    max-width: 99vw;
  }
  .testimonial-card {
    padding: 16px 10px;
    max-width: 99vw;
  }
}

/* -----------------------------------------------------
MICROINTERACTIONS & TRANSITIONS
----------------------------------------------------- */
.card, .feature-grid > div, .testimonial-card {
  will-change: transform, box-shadow;
}

/* -----------------------------------------------------
COOKIE CONSENT BANNER & MODAL
----------------------------------------------------- */
.cookie-consent-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 9999;
  background: #232323;
  color: var(--rr-white);
  box-shadow: 0 -2px 32px rgba(20,20,20,0.12);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px 10px;
  font-size: 1rem;
  min-height: 54px;
  gap: 24px;
  flex-wrap: wrap;
  animation: cc-banner-show 0.6s cubic-bezier(.4,0,.2,1);
}
@keyframes cc-banner-show { from { opacity: 0; transform: translateY(100px);} to { opacity: 1; transform: translateY(0); } }
.cookie-consent-banner p {
  color: var(--rr-white);
  margin-bottom: 0;
  font-size: 1rem;
}
.cookie-actions {
  display: flex;
  gap: 13px;
}
.cookie-btn {
  background: var(--rr-white);
  color: var(--rr-black);
  border-radius: 18px;
  font-size: 0.99rem;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  font-weight: 700;
  padding: 8px 18px;
  margin: 0;
  border: none;
  outline: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.cookie-btn.accept {
  background: var(--rr-black);
  color: var(--rr-white);
  border: 2px solid var(--rr-black);
}
.cookie-btn.accept:hover, .cookie-btn.accept:focus-visible {
  background: var(--rr-blue);
  color: var(--rr-white);
}
.cookie-btn.settings {
  background: var(--rr-gray-200);
  color: var(--rr-black);
  border: 2px solid var(--rr-gray-400);
}
.cookie-btn.settings:hover, .cookie-btn.settings:focus-visible {
  background: var(--rr-gray-300);
  color: var(--rr-black);
}
.cookie-btn.reject {
  background: var(--rr-gray-100);
  color: #cb1515;
  border: 2px solid #cb1515;
}
.cookie-btn.reject:hover, .cookie-btn.reject:focus-visible {
  background: #cb1515;
  color: var(--rr-white);
}

@media (max-width: 600px) {
  .cookie-consent-banner {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    font-size: 0.97rem;
    padding: 12px 6px;
  }
  .cookie-actions {
    gap: 7px;
  }
}

.cookie-consent-modal {
  display: none;
  position: fixed;
  left: 0; right: 0; top: 0; bottom: 0;
  z-index: 10000;
  background: rgba(25,25,25, 0.38);
  justify-content: center;
  align-items: center;
}
.cookie-consent-modal.open {
  display: flex;
}
.cookie-modal-content {
  background: var(--rr-white);
  color: var(--rr-black);
  border-radius: 16px;
  padding: 32px 28px;
  min-width: 310px;
  max-width: 95vw;
  box-shadow: 0 10px 36px rgba(10,10,10,.19);
  display: flex;
  flex-direction: column;
  gap: 18px;
  animation: cc-modal-show 0.3s cubic-bezier(.4,0,.2,1);
}
@keyframes cc-modal-show { from { opacity: 0; transform: translateY(90px);} to { opacity: 1; transform: translateY(0);} }
.cookie-modal-content h3 {
  font-size: 1.28rem;
  margin-bottom: 0.8em;
}
.cookie-category {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--rr-blue);
  -webkit-appearance: auto;
  margin-right: 2px;
}
.cookie-category label {
  font-size: 1rem;
  color: var(--rr-black);
  font-weight: 500;
  margin-left: 0.5em;
}
.cookie-category span {
  color: var(--rr-gray-600);
  font-size: 0.97rem;
}
.modal-actions {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  justify-content: flex-end;
}
.cookie-modal-content .cookie-btn {
  min-width: 94px;
}

/* -----------------------------------------------------
HELPER & UTILITY CLASSES
----------------------------------------------------- */
.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.accent-text { color: var(--rr-blue) !important; }
.bg-gray { background: var(--rr-gray-100) !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 8px !important; }
.mb-2 { margin-bottom: 16px !important; }
.mb-3 { margin-bottom: 24px !important; }

.tip-highlights {
  color: var(--rr-black);
  font-family:'Montserrat', Arial, Helvetica, sans-serif;
  font-size: 1.12rem;
  letter-spacing: -0.01em;
  background: var(--rr-gray-100);
  border-radius: 10px;
  padding: 12px 18px;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
  margin-bottom: 0;
}

/* -----------------------------------------------------
SPECIAL FOR ICON/INFO ROWS
----------------------------------------------------- */
.content-wrapper.text-section > div {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 7px;
  font-size:1.02rem;
  color: var(--rr-black);
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
  font-weight: 400;
}
.content-wrapper.text-section > div img {
  width: 20px;
  height: 20px;
  opacity: 0.87;
}

/* -----------------------------------------------------
SCROLLBARS & SELECTION
----------------------------------------------------- */
::-webkit-scrollbar { width: 9px; background: var(--rr-gray-100); }
::-webkit-scrollbar-thumb { background: var(--rr-gray-300); border-radius: 7px; }
::selection { background: var(--rr-gray-400); color: var(--rr-white); }

/* END OF CSS */