/* ===================================================================
   MOLEKÜLGENUSS | style.css
   Sophisticated Monochrome + Brand Accent | Responsive Flexbox Layouts Only
   =================================================================== */
/* ------- CSS 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,ol,ul,li,fieldset,form,label,legend,table,caption,tbody,tfoot,thead,tr,th,td,article,aside,canvas,details,embed,figure,figcaption,footer,header,main,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 { box-sizing: border-box; }
*, *:before, *:after { box-sizing: inherit; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
article,aside,details,figcaption,figure,footer,header,main,menu,nav,section {display: block;}
ul,ol { list-style: none; }
a { text-decoration: none; background-color: transparent; color: inherit;}
img { max-width: 100%; height: auto; display: block; }
button,input,select,textarea {font-family:inherit;font-size:inherit;}
button { border:none; background:none; cursor:pointer; }

/* ------- VARIABLES ------- */
:root {
  --color-primary: #15233B;
  --color-secondary: #BBE1FA;
  --color-accent: #FFD670;
  --color-black: #161616;
  --color-dark: #232323;
  --color-white: #fff;
  --color-gray-900: #222;
  --color-gray-800: #373737;
  --color-gray-700: #555;
  --color-gray-400: #BCBCBC;
  --color-gray-100: #F5F6F8;
  --transition-fast: 0.23s cubic-bezier(.43,.42,.13,1.02);
  --shadow-sm: 0 2px 6px rgba(25,27,35,0.07);
  --shadow-md: 0 4px 12px rgba(26,27,30,0.11);
  --radius-md: 10px;
  --radius-lg: 18px;

  --font-display: 'Montserrat', Arial, Helvetica, sans-serif;
  --font-body: 'Open Sans', Arial, Helvetica, sans-serif;
}

/* ------- TYPOGRAPHY ------- */
body {
  color: var(--color-black);
  background: var(--color-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  min-height: 100vh;
}
h1,h2,h3,h4,h5,h6 {
  color: var(--color-black);
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  line-height: 1.12;
}
h1 {
  font-size: 2.6rem;
  margin-bottom: 24px;
}
h2 {
  font-size: 2rem;
  margin-bottom: 20px;
}
h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}
h4 { font-size: 1.03rem; }
strong { color: var(--color-black); font-weight: 600; }
p, ul, ol, li, blockquote {
  color: var(--color-gray-900);
  font-size: 1rem;
  margin-bottom: 16px;
}
blockquote {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-primary);
  border-left: 4px solid var(--color-accent);
  padding-left: 16px;
  margin-bottom: 12px;
}

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

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

/* Card & Flex Containers */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
}
.card {
  position: relative;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-md);
  padding: 28px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.card-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.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;
}
.feature-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 15px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
  padding: 26px 22px;
  margin-bottom: 20px;
  min-width: 220px;
  max-width: 340px;
  transition: box-shadow var(--transition-fast), background var(--transition-fast);
}
.feature-item:hover {
  background: var(--color-gray-100);
  box-shadow: 0 8px 24px rgba(21,35,59,0.10);
  z-index: 2;
}
.feature-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
}

.testimonial-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--color-gray-100);
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  min-width: 240px;
  max-width: 580px;
  transition: box-shadow var(--transition-fast);
}
.testimonial-card:hover {
  box-shadow: 0 8px 24px rgba(21,35,59,0.13);
  background: var(--color-white);
}

/* ------- HEADER / NAVIGATION ------- */
header {
  background: var(--color-white);
  box-shadow: 0 2px 12px rgba(21,35,59,0.11);
  position: relative;
  z-index: 99;
}
header > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 20px;
  padding-bottom: 18px;
  position: relative;
}
header a img {
  height: 42px;
  width: auto;
  filter: grayscale(0.7) contrast(1.1);
  margin-right: 14px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: center;
}
nav a {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 1rem;
  letter-spacing: 0.01em;
  padding: 4px 10px;
  border-radius: 6px;
  transition: color var(--transition-fast), background var(--transition-fast);
}
nav a:hover,
nav a:focus {
  background: var(--color-primary);
  color: var(--color-white);
}

.cta-btn {
  color: var(--color-white);
  background: var(--color-primary);
  padding: 13px 28px 13px 28px;
  border-radius: 32px;
  font-family: var(--font-display);
  font-size: 1.07rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: var(--shadow-md);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  outline: none;
  border: none;
  position: relative;
  display: inline-block;
  margin-left: 6px;
}
.cta-btn:hover,
.cta-btn:focus {
  background: var(--color-accent);
  color: var(--color-black);
  transform: translateY(-3px) scale(1.031);
  box-shadow: 0 12px 24px rgba(21,35,59,0.12);
}

/* -------- MOBILE NAV -------- */
.mobile-menu-toggle {
  display: none;
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 2rem;
  border-radius: 8px;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin-left: 18px;
  z-index: 105;
  transition: background var(--transition-fast);
}
.mobile-menu-toggle:hover,
.mobile-menu-toggle:focus {
  background: var(--color-accent);
  color: var(--color-black);
}
.mobile-menu {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--color-white);
  box-shadow: 0 8px 24px rgba(21,35,59,0.23);
  z-index: 1200;
  display: flex;
  flex-direction: column;
  padding: 30px 24px 0 24px;
  transform: translateX(-100vw);
  transition: transform var(--transition-fast);
  pointer-events: none;
  opacity: 0;
}
.mobile-menu.open {
  transform: translateX(0);
  pointer-events: auto;
  opacity: 1;
}
.mobile-menu-close {
  align-self: flex-end;
  background: var(--color-gray-100);
  color: var(--color-primary);
  font-size: 2.1rem;
  border-radius: 8px;
  padding: 2px 10px;
  margin-bottom: 24px;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mobile-menu-close:hover,
.mobile-menu-close:focus {
  background: var(--color-accent);
  color: var(--color-black);
}
.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 26px;
  margin-top: 22px;
}
.mobile-nav a {
  padding: 14px 0;
  font-size: 1.3rem;
  color: var(--color-primary);
  border-radius: 6px;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.mobile-nav a:hover,
.mobile-nav a:focus {
  background: var(--color-gray-100);
  color: var(--color-primary);
}
@media (max-width: 1024px){
  nav, .cta-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
}
@media (min-width: 1025px){
  .mobile-menu {
    display: none !important;
    pointer-events: none;
  }
}

/* ------- HERO SECTIONS ------- */
.hero {
  background: linear-gradient(124deg, var(--color-white) 60%, var(--color-gray-100) 100%);
  padding: 70px 0 50px 0;
  margin-bottom: 40px;
  border-bottom: 2px solid var(--color-gray-100);
}
.hero h1 {
  color: var(--color-primary);
  font-size: 2.5rem;
  margin-bottom: 12px;
}
.hero p {
  font-size: 1.18rem;
  max-width: 690px;
  margin-bottom: 28px;
  color: var(--color-gray-900);
}

/* ------- FEATURES, ABOUT, TEAM, LEGAL, OTHER SECTIONS ------- */
.features,
.research-areas,
.about-company,
.projects-list,
.about-short,
.about-project-goals,
.team-members,
.skills-certifications,
.contact-info,
.cta,
.blog-features,
.legal,
.thanks {
  margin-bottom: 60px;
  padding: 40px 0;
}

.skills-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 12px;
}
.skills-cloud span {
  background: var(--color-gray-100);
  color: var(--color-primary);
  border-radius: 8px;
  padding: 7px 18px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
}

/* ------- TEAM CARDS ------- */
.team-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 30px;
}
.team-member {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 24px 20px;
  min-width: 210px;
  max-width: 330px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition-fast);
}
.team-member:hover {
  box-shadow: 0 8px 24px rgba(21,35,59,0.13);
  background: var(--color-gray-100);
}

/* ------- BLOG CARDS / TAGS ------- */
.post-teasers-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 18px;
}
.post-teasers-grid article {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 22px 18px;
  flex: 1 1 290px;
  min-width: 220px;
  max-width: 370px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  transition: box-shadow var(--transition-fast);
}
.post-teasers-grid article:hover {
  box-shadow: 0 8px 24px rgba(21,35,59,0.13);
  background: var(--color-gray-100);
}
.post-tag, .tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.92rem;
  background: var(--color-secondary);
  color: var(--color-primary);
  padding: 2px 15px;
  border-radius: 20px;
  margin-right: 8px;
  margin-bottom: 2px;
  font-weight: 500;
}
.tags-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.featured-article {
  background: var(--color-gray-100);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  margin-bottom: 18px;
}

/* ------- CTA SECTIONS ------- */
.cta {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  margin-bottom: 48px;
  padding: 36px 20px;
}
.cta h2, .cta p {
  color: var(--color-white);
}
.cta a.cta-btn {
  background: var(--color-accent);
  color: var(--color-black);
  margin-top: 16px;
}
.cta a.cta-btn:hover, .cta a.cta-btn:focus {
  background: var(--color-secondary);
  color: var(--color-primary);
}

/* Newsletter Section */
.cta.newsletter {
  background: var(--color-gray-100);
  color: var(--color-black);
}
.cta.newsletter h2, .cta.newsletter p {
  color: var(--color-black);
}

/* ------- CONTACT INFO ------- */
.contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 18px;
}
.contact-details p, .footer-contact p {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-gray-900);
}
.contact-details a {
  color: var(--color-primary);
  font-weight: 500;
  text-decoration: underline;
  transition: color var(--transition-fast);
}
.contact-details a:hover {
  color: var(--color-accent);
}
.map-placeholder {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--color-gray-100);
  border-radius: var(--radius-md);
  padding: 13px 14px;
}

/* ------- FOOTER ------- */
footer {
  background: var(--color-black);
  color: var(--color-white);
  padding: 44px 0 22px 0;
}
footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
  align-items: flex-start;
}
.footer-navigation {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 170px;
}
.footer-navigation a {
  color: var(--color-gray-400);
  font-size: 0.95rem;
  letter-spacing: 0.01em;
  padding: 2px 0;
  transition: color var(--transition-fast);
}
.footer-navigation a:hover {
  color: var(--color-white);
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 220px;
}
.footer-contact img {
  height: 32px;
  margin-bottom: 5px;
  filter: grayscale(1) brightness(2);
}
.footer-social {
  display: flex;
  gap: 20px;
  align-items: center;
}
.footer-social a img {
  width: 32px; height: 32px; filter: grayscale(0.2) brightness(1.3);
  transition: filter var(--transition-fast), transform var(--transition-fast);
}
.footer-social a:hover img {
  filter: brightness(2) grayscale(0);
  transform: scale(1.13) rotate(-7deg);
}

/* ------- LEGAL SECTIONS ------- */
.legal {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 38px 22px;
  margin-bottom: 48px;
}
.legal h1,h2 {
  color: var(--color-primary);
}
.legal ul {
  margin-left: 24px;
  list-style: disc inside;
  margin-bottom: 14px;
}
.legal li {
  margin-bottom: 7px;
  color: var(--color-gray-900);
}
.legal a {
  color: var(--color-primary);
  text-decoration: underline;
  transition: color var(--transition-fast);
}
.legal a:hover { color: var(--color-accent); }

/* ------- THANK YOU ------- */
.thanks {
  margin: 80px 0 60px 0;
  background: var(--color-gray-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 48px 20px;
}
.thanks h1 { color: var(--color-primary); margin-bottom: 14px; }
.thanks a.cta-btn { margin-top: 18px; }

/* ------- COOKIE CONSENT BANNER ------- */
.cookie-banner {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  background: var(--color-black);
  color: var(--color-white);
  width: 100vw;
  z-index: 9999;
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  justify-content: center;
  gap: 26px;
  padding: 24px 14px;
  box-shadow: 0 -2px 18px rgba(21,35,59,.15);
  opacity: 0;
  pointer-events: none;
  transform: translateY(100%);
  transition: opacity 0.35s, transform 0.35s;
}
.cookie-banner.show {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.cookie-banner__message {
  max-width: 600px;
  font-size: 1rem;
  line-height: 1.5;
}
.cookie-banner__actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 210px;
  align-items: flex-start;
}
.cookie-banner__btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 10px 26px;
  border-radius: 28px;
  border: none;
  outline: none;
  background: var(--color-primary);
  color: var(--color-white);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
  margin-bottom: 0;
}
.cookie-banner__btn.accept {
  background: var(--color-accent);
  color: var(--color-black);
}
.cookie-banner__btn.reject {
  background: var(--color-gray-800);
  color: var(--color-white);
}
.cookie-banner__btn.settings {
  background: transparent;
  border: 2px solid var(--color-white);
  color: var(--color-white);
  margin-bottom: 0;
}
.cookie-banner__btn:active, .cookie-banner__btn:focus, .cookie-banner__btn:hover {
  background: var(--color-secondary);
  color: var(--color-primary);
  transform: translateY(-2px) scale(1.03);
}
.cookie-banner__btn.reject:hover {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-gray-800);
}
.cookie-banner__btn.settings:hover { background: var(--color-black); color: var(--color-accent); border-color: var(--color-accent); }

/* Cookie Modal */
.cookie-modal-overlay {
  display: none;
  position: fixed;
  z-index: 99999;
  left: 0; right: 0; top: 0; bottom: 0;
  background: rgba(21,30,40,0.68);
  align-items: center;
  justify-content: center;
  transition: opacity 0.33s;
}
.cookie-modal-overlay.open {
  display: flex;
}
.cookie-modal {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 54px rgba(21,35,59,0.17);
  padding: 38px 28px 28px 28px;
  min-width: 330px;
  max-width: 97vw;
  color: var(--color-black);
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
  animation: modalIn 0.33s ease;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(40px) scale(.94); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.cookie-modal-close {
  position: absolute;
  top: 18px; right: 18px;
  background: var(--color-gray-100);
  color: var(--color-primary);
  font-size: 2rem;
  border-radius: 6px;
  padding: 2px 8px;
  transition: background var(--transition-fast), color var(--transition-fast);
  z-index: 2;
}
.cookie-modal-close:hover,
.cookie-modal-close:focus {
  background: var(--color-accent);
  color: var(--color-black);
}
.cookie-modal h2 {
  margin-bottom: 8px;
}
.cookie-category {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 13px;
}
.cookie-category label {
  font-weight: 500;
  color: var(--color-primary);
}
.cookie-category input[type="checkbox"] {
  accent-color: var(--color-accent);
}
.cookie-category.always-on label {
  opacity: 0.6;
}
@media (max-width: 700px) {
  .cookie-banner{
    flex-direction: column;
    gap: 18px;
    align-items: flex-start;
  }
  .cookie-banner__actions {
    min-width: 0;
    width: 100%;
  }
  .cookie-modal {
    min-width: 0; max-width: 98vw;
    padding-left: 10px; padding-right: 10px;
  }
}

/* ------- RESPONSIVE: MOBILE FIRST ------- */
@media (max-width: 1080px) {
  .container {
    max-width: 95vw;
    padding-left: 12px;
    padding-right: 12px;
  }
}
@media (max-width: 900px) {
  .feature-grid, .team-grid, .post-teasers-grid, .card-container, .content-grid {
    flex-direction: column;
    gap: 20px;
  }
  .testimonial-card { max-width: 99vw; }
  .team-member, .card { max-width: 99vw; }
}
@media (max-width: 768px) {
  .hero { padding: 38px 0 30px 0; }
  .section,
  .features,
  .research-areas,
  .about-company,
  .projects-list,
  .about-short,
  .about-project-goals,
  .team-members,
  .skills-certifications,
  .contact-info,
  .cta,
  .blog-features,
  .legal,
  .thanks {
    padding: 24px 0;
    margin-bottom: 36px;
  }
  .text-image-section {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }
  .content-wrapper { gap: 14px; }
  .feature-item, .testimonial-card, .team-member, .card {
    padding: 16px 10px;
  }
  .cookie-modal {
    padding: 18px 6px 16px 6px;
    border-radius: var(--radius-md);
  }
}
@media (max-width: 540px) {
  h1 { font-size: 1.45rem; }
  h2 { font-size: 1.19rem; }
  h3 { font-size: 1rem; }
  .footer-contact,
  .footer-navigation,
  .footer-social,
  footer .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
  }
  .footer-contact img { margin-bottom: 5px; }
}

/* ------- INTERACTIONS & MICRO-ANIMATIONS ------- */
a, button, .cta-btn, .feature-item, .card, .testimonial-card, .team-member, .post-teasers-grid article, .cookie-banner__btn, .cookie-modal, .mobile-menu {
  transition: box-shadow 0.22s cubic-bezier(.3,.7,.4,1), transform 0.20s, background 0.21s;
}
input[type="checkbox"] {
  width: 22px; height: 22px;
  margin-right: 5px;
  border-radius: 6px;
  border: 1.5px solid var(--color-primary);
  vertical-align: middle;
}
input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--color-accent);
}

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

/* Hide visually but accessible */
.sr-only {
  position: absolute;
  left: -10000px;
  width: 1px; height: 1px;
  overflow: hidden;
}