/* ============================================
   SECTION BANNER
   ============================================ */
.section-banner {
  position: relative;
  overflow: hidden;
  height: 300px;
}

.section-banner__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.section-banner__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  padding-left: 48px;
  pointer-events: none;
}

.section-banner__overlay--subtle {
  background: linear-gradient(to right, rgb(42 42 42 / 60%) 0%, rgb(42 42 42 / 25%) 12%, transparent 22%);
}

.section-banner__title {
  color: var(--cp-weiss);
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-heading);
  letter-spacing: 0.02em;
}

.section-banner--first {
  margin-top: var(--header-height);
}

.section-banner--dark {
  background: #2a2a2a;
}

/* Pong Easter Egg */
.pong-easter-egg {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.6s ease-out, opacity 0.4s ease-out;
  opacity: 0;
}

.pong-easter-egg--visible {
  max-height: 300px;
  opacity: 1;
}

.pong-trigger {
  color: rgb(255 255 255 / 55%);
  text-decoration: none;
  cursor: pointer;
  font-style: italic;
  transition: color 0.2s ease;
}

.pong-trigger:hover {
  color: rgb(255 255 255 / 85%);
}

@media (max-width: 1024px) {
  .pong-trigger {
    display: none;
  }
}

@media (max-width: 768px) {
  .section-banner {
    height: 180px;
  }

  .section-banner__overlay {
    padding-left: 24px;
  }

  .section-banner__title {
    font-size: 1.1rem;
  }

  .pong-easter-egg--visible {
    max-height: 180px;
  }
}

/* ============================================
   SECTION LAYOUT
   ============================================ */
.section {
  padding: 80px 0;
}

.section--gray {
  background: var(--cp-hintergrundgrau);
}

.section--dark {
  background: var(--cp-hintergrund-mittelgrau);
}

.section-header {
  max-width: 700px;
  margin-bottom: 56px;
}

.section-header p {
  color: var(--cp-mittelgrau);
  font-size: 1.1rem;
  margin-top: 16px;
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: rgb(255 255 255 / 95%);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgb(51 51 51 / 6%);
  z-index: 1000;
  transition: box-shadow var(--transition-normal);
}

.header:hover {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.header__logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.header__logo-img {
  height: 40px;
  width: auto;
}

.header__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
}

.header__nav-links {
  display: flex;
  list-style: none;
  gap: 28px;
}

.header__nav-cta {
  display: none;
}

.header__nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--cp-dunkelgrau);
  text-decoration: none;
  position: relative;
  padding: 4px 0;
}

.header__nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--cp-rot);
  transition: width var(--transition-normal);
}

.header__nav-links a:hover {
  color: var(--cp-dunkelgrau);
}

.header__nav-links a:hover::after {
  width: 100%;
}

.header__nav-links > li {
  position: relative;
  padding: 24px 0;
}

.header__nav-links a.nav__link--active {
  color: var(--cp-rot);
}

.header__nav-links a.nav__link--active::after {
  width: 100%;
}

.header__submenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  list-style: none;
  background: var(--cp-weiss);
  border: 1px solid var(--cp-rahmengrau);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
  min-width: 180px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.15s, visibility 0.15s;
}

.header__nav-links > li:hover > .header__submenu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.header__submenu li {
  padding: 0;
}

.header__submenu a {
  display: block;
  padding: 8px 20px;
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--cp-dunkelgrau);
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.header__submenu a::after {
  display: none;
}

.header__submenu a:hover {
  background: var(--cp-hintergrundgrau);
  color: var(--cp-rot);
}

.header__cta {
  padding: 8px 18px;
  font-size: 0.85rem;
  flex-shrink: 0;
  white-space: nowrap;
}

.header__cta-icon {
  display: none;
}

.header__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.header__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--cp-dunkelgrau);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--header-height);
  background: url('../assets/bg.png') no-repeat 30% center;
  background-size: cover;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgb(51 51 51 / 30%);
}


.hero__content {
  position: relative;
  z-index: 2;
  max-width: 740px;
  animation: fadeInUp 0.8s ease-out;
}

.hero h1 {
  color: var(--cp-weiss);
  margin-bottom: 24px;
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  letter-spacing: -1px;
  line-height: 1.15;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--cp-rot), var(--cp-rot-hell));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__text {
  color: rgb(255 255 255 / 80%);
  font-size: 1.2rem;
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 600px;
}

.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero--sub {
  min-height: 33vh;
  padding-top: calc(var(--header-height) + 48px);
  padding-bottom: 48px;
}

.hero--sub .container {
  width: 100%;
}

.hero--sub .hero__content {
  max-width: none;
}

.hero--sub .hero__content > :last-child {
  margin-bottom: 0;
}

.hero--sub + .section {
  padding-top: 56px;
}

.hero--sub + .section .content > h2:first-child {
  margin-top: 0;
}

.hero__icon {
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  color: rgb(255 255 255 / 70%);
}

.hero__icon img {
  width: 100%;
  height: 100%;
  filter: brightness(0) invert(1);
  opacity: 0.7;
}

/* ============================================
   APPROACH / KI ALS WERKZEUG
   ============================================ */
.approach__grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  align-items: center;
}

.approach__content h2 {
  margin-bottom: 20px;
}

.approach__content p {
  color: var(--cp-mittelgrau);
  font-size: 1.05rem;
}

.approach__image {
  display: flex;
  align-items: center;
  justify-content: center;
}

.approach__zahnrad {
  width: 100%;
  max-width: 280px;
  height: auto;
  opacity: 0.15;
}

/* ============================================
   STRATEGIES GRID
   ============================================ */
.strategies__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* ============================================
   SERVICES GRID
   ============================================ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   PARTNERS GRID
   ============================================ */
.partners {
  margin-top: 48px;
}

.partners__title {
  font-size: 1.4rem;
  margin-bottom: 24px;
  color: var(--cp-dunkelgrau);
}

.partners__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}


/* ============================================
   ABOUT GRID
   ============================================ */
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* ============================================
   MANAGEMENT GRID
   ============================================ */
.management__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: center;
}

/* ============================================
   PROCESS TIMELINE GRID
   ============================================ */
.process__timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process__timeline::before {
  content: '';
  position: absolute;
  top: 48px;
  left: calc(12.5% + 12px);
  right: calc(12.5% + 12px);
  height: 2px;
  background: linear-gradient(90deg, var(--cp-rot), var(--cp-rot-hell), var(--cp-rot));
  z-index: 0;
}

/* ============================================
   REFERENCES GRID
   ============================================ */
.references__quotes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* ============================================
   REASONS GRID
   ============================================ */
.reasons__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* ============================================
   PARTNER GRID
   ============================================ */
.partner__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

/* ============================================
   CAREER
   ============================================ */
.career {
  position: relative;
  overflow: hidden;
}

.career .section-header {
  margin-bottom: 32px;
}

.career__intro {
  max-width: 700px;
  margin-bottom: 56px;
}

.career__intro p {
  color: var(--cp-mittelgrau);
  font-size: 1.05rem;
  margin-bottom: 0;
}

/* Jobs */
.jobs {
  margin-bottom: 56px;
}

.jobs__title {
  color: var(--cp-dunkelgrau);
  font-size: 1.3rem;
  margin-bottom: 24px;
  text-align: center;
}

.jobs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Benefits */
.benefits {
  margin-bottom: 56px;
}

.benefits__title {
  color: var(--cp-dunkelgrau);
  font-size: 1.3rem;
  margin-bottom: 24px;
  text-align: center;
}

.benefits__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

/* ============================================
   IT-TALK GRID
   ============================================ */
.ittalk {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 48px;
  padding: 40px;
  background: var(--cp-weiss);
  border: 1px solid var(--cp-rahmengrau);
  border-radius: var(--radius-md);
}

/* ============================================
   NEWS GRID
   ============================================ */
.news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ============================================
   BLOG GRID
   ============================================ */
.blog__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* ============================================
   SUSTAINABILITY GRID
   ============================================ */
.sustainability__grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  align-items: start;
}

.sustainability__items {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ============================================
   CONTACT GRID
   ============================================ */
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #656565;
  color: rgb(255 255 255 / 60%);
  padding: 56px 0 0;
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgb(255 255 255 / 8%);
}

.footer__brand-text {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 300px;
}

.footer h4 {
  color: var(--cp-weiss);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
}

.footer__legal-heading {
  margin-top: 24px;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__links li {
  font-size: 0.9rem;
}

.footer__links a {
  color: rgb(255 255 255 / 60%);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer__links a:hover {
  color: var(--cp-rot-hell);
}


.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 0.82rem;
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-links a {
  color: rgb(255 255 255 / 50%);
  font-size: 0.82rem;
}

.footer__bottom-links a:hover {
  color: var(--cp-rot-hell);
}

/* ============================================
   ERROR PAGE (404)
   ============================================ */
.error-page__content {
  text-align: center;
}

.error-page__btn {
  display: inline-block;
  margin-bottom: 48px;
}

.error-page__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: left;
  max-width: 720px;
  margin: 0 auto;
}

.error-page__nav-group h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cp-dunkelgrau);
  margin-bottom: 12px;
}

.error-page__nav-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.error-page__nav-group li {
  margin-bottom: 8px;
}

.error-page__nav-group a {
  color: var(--cp-mittelgrau);
  font-size: 0.95rem;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.error-page__nav-group a:hover {
  color: var(--cp-rot);
}

@media (max-width: 768px) {
  .error-page__nav {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* ============================================
   RESPONSIVE: TABLET (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .approach__grid {
    grid-template-columns: 1fr;
  }

  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .partners__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__timeline {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .process__timeline::before {
    display: none;
  }

  .reasons__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .jobs__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .jobs__grid .job-card:nth-child(3) {
    grid-column: 1 / -1;
    max-width: 500px;
    margin: 0 auto;
  }

  .benefits__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ittalk {
    grid-template-columns: 1fr;
  }

  .news__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-card:nth-child(3) {
    grid-column: 1 / -1;
    max-width: 500px;
    margin: 0 auto;
  }

  .sustainability__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .header__inner {
    flex-wrap: wrap;
    height: auto;
    min-height: var(--header-height);
  }

  .header--menu-open {
    height: 100vh;
    background: #fff;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .header--menu-open .header__inner {
    height: 100%;
    align-content: flex-start;
  }

  body.menu-open {
    overflow: hidden;
  }

  .header__logo {
    height: var(--header-height);
  }

  .header__toggle {
    display: flex;
    height: var(--header-height);
    justify-content: center;
  }

  .header__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .header__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .header__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .header__nav {
    display: none;
    order: 10;
    width: 100%;
    flex: 0 0 100%;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0 24px;
    overflow-y: auto;
    max-height: calc(100vh - var(--header-height));
    gap: 0;
    border-top: 1px solid var(--cp-rahmengrau);
  }

  .header__nav--open {
    display: flex;
  }

  .header__nav-links {
    flex-direction: column;
    gap: 0;
  }

  .header__nav-links > li {
    padding: 0;
    border-bottom: 1px solid var(--cp-rahmengrau);
  }

  .header__nav-links > li.header__nav-cta {
    display: list-item;
    border-bottom: none;
    padding-top: 16px;
  }

  .header__nav-cta .btn {
    display: block;
    text-align: center;
    color: #fff;
  }

  .header__nav-links > li > a {
    display: block;
    padding: 14px 0;
    font-size: 1.05rem;
  }

  .header__submenu {
    position: static;
    transform: none;
    background: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    padding: 0 0 12px 16px;
    min-width: 0;
    margin-top: 0;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .header__submenu a {
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--cp-mittelgrau);
  }

  .header__submenu a:hover {
    background: none;
    color: var(--cp-rot);
  }

  .header__cta {
    display: none;
  }
}

/* ============================================
   RESPONSIVE: MOBILE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }

  .section {
    padding: 56px 0;
  }

  .section-header {
    margin-bottom: 40px;
  }

  .hero {
    min-height: auto;
    padding: 120px 0 80px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero__text {
    font-size: 1.05rem;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero__actions .btn {
    text-align: center;
    justify-content: center;
  }

  .hero__scroll-hint {
    display: none;
  }


  .approach__grid {
    grid-template-columns: 1fr;
  }

  .approach__image {
    display: none;
  }

  .strategies__grid {
    grid-template-columns: 1fr;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .partners__grid {
    grid-template-columns: 1fr;
  }

  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .about__image-area {
    order: -1;
  }

  .management__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .management__zahnrad {
    max-width: 200px;
  }

  .management__portrait {
    width: 200px;
    height: 200px;
  }

  .timeline {
    padding-left: 40px;
  }

  .timeline::before {
    left: 16px;
  }

  .timeline__item::before {
    left: -30px;
  }

  .process__timeline {
    grid-template-columns: 1fr;
    gap: 32px;
    max-width: 400px;
    margin: 0 auto;
  }

  .casestudy__step {
    padding: 24px;
  }

  .references__quotes {
    grid-template-columns: 1fr;
  }

  .reasons__grid {
    grid-template-columns: 1fr;
  }

  .partner__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .career__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .jobs__grid {
    grid-template-columns: 1fr;
  }

  .jobs__grid .job-card:nth-child(3) {
    max-width: none;
  }

  .benefits__grid {
    grid-template-columns: 1fr 1fr;
  }

  .lunch {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }

  .ittalk {
    grid-template-columns: 1fr;
    padding: 28px 24px;
  }

  .news__grid {
    grid-template-columns: 1fr;
  }

  .blog__grid {
    grid-template-columns: 1fr;
  }

  .blog-card:nth-child(3) {
    max-width: none;
  }

  .sustainability__items {
    grid-template-columns: 1fr;
  }

  .contact__grid {
    grid-template-columns: 1fr;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* ============================================
   RESPONSIVE: SMALL MOBILE (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .service-card {
    padding: 28px 24px;
  }

  .benefits__grid {
    grid-template-columns: 1fr;
  }

  .timeline__item {
    padding-left: 20px;
  }
}