:root {
  --lime: #92b627;
  --lime-light: #abd23a;
  --lime-dark: #708f1c;
  --pink: #e40066;
  --pink-light: #f01978;
  --blue: #1e2ede;
  --blue-soft: #3546e8;
  --charcoal: #5e5d5b;
  --charcoal-dark: #303234;
  --white: #ffffff;
  --background: #f5f6f7;
  --text: #2e3033;
  --muted: #6b7177;
  --border: #e2e5e8;
  --shadow: 0 18px 44px rgba(28, 31, 34, 0.13);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--background);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}

img {
  max-width: 100%;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--white);
  background: var(--charcoal-dark);
  border-radius: 8px;
}

.skip-link:focus {
  top: 12px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 12px 16px;
  background: rgba(245, 246, 247, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(94, 93, 91, 0.14);
}

.nav-wrap {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 54px;
  height: 54px;
  object-fit: contain;
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
}

nav a {
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
}

nav a:hover,
nav a:focus,
nav a.active {
  color: #202224;
  background: var(--lime);
  outline: none;
}

.menu-button {
  display: none;
  padding: 10px 14px;
  border: 0;
  border-radius: 999px;
  color: var(--white);
  background: var(--charcoal-dark);
  font-weight: 800;
}

.hero {
  position: relative;
  min-height: calc(100vh - 78px);
  display: flex;
  align-items: center;
  overflow: hidden;
  color: var(--white);
  background-image: url("bilder/schule.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(28, 30, 32, 0.91) 0%, rgba(38, 40, 42, 0.78) 50%, rgba(25, 27, 29, 0.36) 100%),
    linear-gradient(0deg, rgba(30, 46, 222, 0.10), rgba(146, 182, 39, 0.08));
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 70px 0 110px;

  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  align-items: center;
  gap: 60px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--lime-light);
  font-weight: 900;
	font-size: 2rem
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow.dark {
  color: var(--lime-dark);
}

.hero h1 {
  max-width: 850px;
  margin: 0;
  font-size: clamp(3rem, 7vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
}

.hero h1 span {
  display: block;
  color: var(--lime-light);
}

.hero-logo {
  display: block;
  width: clamp(180px, 20vw, 285px);
  height: auto;
  margin: 32px 0 28px;
}

.hero-text {
  max-width: 690px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.92);
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.75;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-block;
  padding: 13px 19px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover,
.btn:focus {
  transform: translateY(-2px);
  outline: none;
}

.btn.primary {
  color: #202224;
  background: var(--lime);
}

.btn.primary:hover {
  background: var(--lime-light);
}

.btn.pink {
  color: var(--white);
  background: var(--pink);
}

.btn.light {
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.12);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 26px;
  z-index: 3;
  transform: translateX(-50%);
  color: var(--white);
  font-weight: 800;
  text-decoration: none;
}

.scroll-hint::after {
  content: "";
  display: block;
  width: 2px;
  height: 32px;
  margin: 7px auto 0;
  background: var(--lime);
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 92px 0;
}

.priority-section {
  padding-top: 74px;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading h2,
.intro h2 {
  margin: 0 0 12px;
  color: var(--charcoal-dark);
  font-size: clamp(2rem, 4vw, 3.8rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.section-heading p,
.intro-copy > p:last-child {
  color: var(--muted);
  font-size: 1.06rem;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.info-card {
  position: relative;
  min-height: 260px;
  padding: 30px;
  overflow: hidden;
  color: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.info-card .number {
  display: block;
  margin-bottom: 26px;
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1;
  opacity: 0.27;
}

.info-card h3 {
  margin: 0 0 12px;
  font-size: 1.35rem;
  line-height: 1.2;
}

.info-card p {
  margin: 0;
}

.info-card.lime {
  color: #202224;
  background: linear-gradient(145deg, var(--lime-light), var(--lime));
}

.info-card.blue {
  background: linear-gradient(145deg, var(--blue-soft), var(--blue));
}

.info-card.pink {
  background: linear-gradient(145deg, var(--pink-light), var(--pink));
}

.download-highlight {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 22px;
  padding: 28px 30px;
  background: var(--white);
  border-left: 7px solid var(--lime);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.download-highlight h3 {
  margin: 0 0 4px;
  font-size: 1.5rem;
}

.download-highlight p {
  margin: 0;
  color: var(--muted);
}

.intro {
  display: grid;
  grid-template-columns: 1.45fr 0.75fr;
  align-items: center;
  gap: 54px;
}

.facts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.facts div {
  padding: 28px 20px;
  text-align: center;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.facts strong {
  display: block;
  color: var(--pink);
  font-size: 3.4rem;
  line-height: 1;
}

.facts span {
  color: var(--muted);
  font-weight: 800;
}

.cluster-section {
  padding-top: 50px;
}

.cluster-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

.cluster-card {
  position: relative;
  min-height: 540px;
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.cluster-card img {
  width: 100%;
  height: 100%;
  min-height: 540px;
  object-fit: cover;
  transition: transform 0.7s ease;
}

.cluster-card:hover img {
  transform: scale(1.045);
}

.cluster-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 34px;
  color: var(--white);
  background: linear-gradient(0deg, rgba(28, 30, 32, 0.92) 0%, rgba(28, 30, 32, 0.12) 68%);
}

.cluster-overlay h3 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1;
}

.cluster-overlay ul {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.cluster-overlay li {
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.quick-section {
  padding-top: 48px;
}

.quick-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.quick-card {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  text-decoration: none;
  background: var(--white);
  border-top: 6px solid var(--lime);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.quick-card:nth-child(2) {
  border-top-color: var(--blue);
}

.quick-card:nth-child(3) {
  border-top-color: var(--pink);
}

.quick-card:nth-child(4) {
  border-top-color: var(--charcoal);
}

.quick-card:hover,
.quick-card:focus {
  transform: translateY(-5px);
  outline: none;
}

.quick-card span {
  color: var(--charcoal-dark);
  font-size: 1.25rem;
  font-weight: 900;
}

.quick-card small {
  color: var(--muted);
  font-size: 0.96rem;
}

.footer {
  margin-top: 40px;
  padding: 48px 16px;
  color: var(--white);
  background: linear-gradient(135deg, var(--charcoal-dark), var(--charcoal));
  border-top: 6px solid var(--lime);
}

.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.45fr 1fr 1fr;
  gap: 28px;
  align-items: center;
}

.footer-logo {
  width: 92px;
}

.footer a {
  color: var(--white);
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.75s ease, transform 0.75s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .reveal.visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .cluster-card img,
  .btn,
  .quick-card {
    transition: none;
  }
}

@media (max-width: 920px) {
  .menu-button {
    display: block;
  }

  nav {
    display: none;
    width: 100%;
    padding-top: 12px;
  }

  nav.open {
    display: flex;
  }

  .nav-wrap {
    flex-wrap: wrap;
  }

  .hero {
    min-height: 760px;
    background-attachment: scroll;
    background-position: center;
  }

  .info-grid,
  .cluster-grid,
  .quick-grid,
  .intro,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .download-highlight {
    align-items: flex-start;
    flex-direction: column;
  }

  .cluster-card,
  .cluster-card img {
    min-height: 460px;
  }
}

@media (max-width: 600px) {
  .topbar {
    padding: 10px;
  }

  .brand img {
    width: 46px;
    height: 46px;
  }

  nav {
    align-items: stretch;
    flex-direction: column;
  }

  nav a {
    text-align: center;
  }

  .hero {
    min-height: 720px;
  }

  .hero-content {
    width: min(100% - 24px, 1180px);
    padding-top: 50px;
  }

	.hero-copy {
	  max-width: 760px;
	}
	
  .hero h1 {
    margin: 0;
  max-width: 760px;
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: -0.045em;
  }

  .hero-logo-area {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-logo {
  width: clamp(220px, 24vw, 330px);
  height: auto;
  margin: 0;
}

	
	
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .btn {
    text-align: center;
  }

  .section {
    width: min(100% - 20px, 1180px);
    padding: 68px 0;
  }

  .info-card {
    min-height: auto;
  }

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

  .cluster-card,
  .cluster-card img {
    min-height: 420px;
  }
}

.sponsor-image {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}


@media (max-width: 920px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .hero-logo-area {
    justify-content: flex-start;
  }

  .hero-logo {
    width: 210px;
  }
}


.video-section{

    width:min(1180px, calc(100% - 32px));

    margin:140px auto;

}

.video-wrapper{

    margin-top:40px;

    aspect-ratio:16/9;

    border-radius:24px;

    overflow:hidden;

    box-shadow:0 30px 70px rgba(0,0,0,.18);

}

.video-wrapper iframe{

    width:100%;

    height:100%;

    border:none;

}

/* ===================================================== */
/* FOTOGALERIE */
/* ===================================================== */

.gallery-section {
  padding-top: 52px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 230px;
  gap: 18px;
}

.gallery-item {
  position: relative;
  min-width: 0;
  min-height: 0;
  padding: 0;
  overflow: hidden;

  border: 0;
  border-radius: var(--radius);

  background: var(--charcoal-dark);
  box-shadow: var(--shadow);

  cursor: pointer;
  font: inherit;
  text-align: left;
}

.gallery-wide {
  grid-column: span 2;
}

.gallery-tall {
  grid-row: span 2;
}

.gallery-item img {
  display: block;
  width: 100%;
  height: 100%;

  object-fit: cover;

  transition:
    transform 0.6s ease,
    filter 0.6s ease;
}

.gallery-item::after {
  content: "";

  position: absolute;
  inset: 0;

  background:
    linear-gradient(
      0deg,
      rgba(26, 28, 30, 0.78) 0%,
      rgba(26, 28, 30, 0.16) 56%,
      rgba(26, 28, 30, 0.03) 100%
    );

  transition: background 0.4s ease;
}

.gallery-item span {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 18px;
  z-index: 2;

  color: var(--white);

  font-size: 1.12rem;
  font-weight: 900;

  transform: translateY(4px);

  transition: transform 0.4s ease;
}

.gallery-item:hover img,
.gallery-item:focus img {
  transform: scale(1.055);
  filter: brightness(1.05);
}

.gallery-item:hover span,
.gallery-item:focus span {
  transform: translateY(0);
}

.gallery-item:focus {
  outline: 4px solid var(--lime);
  outline-offset: 4px;
}

/* ===================================================== */
/* GROSSANSICHT */
/* ===================================================== */

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;

  display: none;
  place-items: center;

  padding: 70px 82px;

  background: rgba(20, 22, 24, 0.94);
  backdrop-filter: blur(12px);
}

.lightbox.open {
  display: grid;
}

.lightbox-image {
  max-width: min(1250px, 88vw);
  max-height: 78vh;

  object-fit: contain;

  border-radius: 16px;

  box-shadow:
    0 30px 90px rgba(0, 0, 0, 0.48);
}

.lightbox-caption {
  position: fixed;
  left: 50%;
  bottom: 22px;

  margin: 0;

  color: var(--white);

  font-size: 1rem;
  font-weight: 800;

  transform: translateX(-50%);
}

.lightbox-close {
  position: fixed;
  top: 18px;
  right: 22px;

  width: 50px;
  height: 50px;

  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;

  color: var(--white);
  background: rgba(255, 255, 255, 0.12);

  font-size: 2rem;
  line-height: 1;

  cursor: pointer;
}

.lightbox-arrow {
  position: fixed;
  top: 50%;

  width: 54px;
  height: 54px;

  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;

  color: var(--white);
  background: rgba(255, 255, 255, 0.12);

  font-size: 2.3rem;
  line-height: 1;

  cursor: pointer;

  transform: translateY(-50%);
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

.lightbox-close:hover,
.lightbox-close:focus,
.lightbox-arrow:hover,
.lightbox-arrow:focus {
  background: var(--pink);
  outline: none;
}

body.lightbox-open {
  overflow: hidden;
}

/* ===================================================== */
/* TABLET */
/* ===================================================== */

@media (max-width: 920px) {

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 240px;
  }

  .gallery-wide {
    grid-column: span 2;
  }

  .gallery-tall {
    grid-row: span 2;
  }

  .lightbox {
    padding: 68px 70px;
  }

}

/* ===================================================== */
/* SMARTPHONE */
/* ===================================================== */

@media (max-width: 600px) {

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-auto-rows: 280px;
  }

  .gallery-wide,
  .gallery-tall {
    grid-column: auto;
    grid-row: auto;
  }

  .gallery-item {
    min-height: 280px;
  }

  .lightbox {
    padding: 68px 12px 90px;
  }

  .lightbox-image {
    max-width: 94vw;
    max-height: 72vh;
  }

  .lightbox-arrow {
    top: auto;
    bottom: 18px;
  }

  .lightbox-prev {
    left: 18px;
  }

  .lightbox-next {
    right: 18px;
  }

  .lightbox-caption {
    bottom: 32px;
    max-width: 55%;
    text-align: center;
  }

}