* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Zalando Sans Expanded", sans-serif;
    scrollbar-width: none;
    scroll-behavior: smooth;
}

body {
    background: #111111;
    color: #f5f5f5;
    line-height: 1.6;
}

.container {
    width: 85%;
    max-width: 1500px;
    margin: auto;
}
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  padding: 0 5%;
  background: #111;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 1000;
  box-sizing: border-box;
}

.nav-logo img {
  height: 50px;
}

.nav-btn {
  padding: 10px 22px;
  border: 1px solid #ffffff;
  border-radius: 3px;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 1px;
  color: #ffffff;
  transition: 0.3s ease;
}

.nav-btn:hover {
  background: #fff;
  color: #111;
}

.hero {
    padding: 220px 0 140px 0;
}

.hero h1 {
    font-size: 54px;
    font-weight: 600;
    max-width: 1240px;
    margin-bottom: 30px;
}

.hero p {
    color: #b0b0b0;
    max-width: 1200px;
    font-size: 18px;
    margin-bottom: 40px;
}

.buttons {
    display: flex;
    gap: 20px;
}

.btn-primary {
    background: #f5f5f5;
    color: #0c0c0c;
    padding: 14px 28px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
}

.btn-secondary {
    border: 1px solid #555;
    padding: 14px 28px;
    text-decoration: none;
    color: #f5f5f5;
    font-size: 14px;
}
.section-dark {
    background: #111;
    padding: 120px 0;
    text-align: center;
    display: flex;
    justify-content: center;
}

.section-dark .container {
    display: flex;
    justify-content: center;
}

.section-dark h2 {
    font-size: 40px;
    font-weight: 500;
}

.values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    padding: 120px 0;
}

.card {
    background: #151515;
    padding: 40px;
    border: 1px solid #222;
}

.card.highlight {
    background: #f5f5f5;
    color: #0c0c0c;
}

.card h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

.footer {
    padding: 80px 0;
    border-top: 1px solid #222;
    color: #777;
    font-size: 14px;
}

@media (max-width:768px){
    .hero h1 {
        font-size: 36px;
    }
}

.video-section {
    position: relative;
    height: 80vh;
    overflow: hidden;
}

.bg-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transform: translate(-50%, -50%);
}

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.55);
    display: flex;
    align-items: center;
}

.video-overlay h2 {
    font-size: 76px;
    max-width: 930px;
    font-weight: 100;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    min-height: 70vh;
}

.grid-item {
    position: relative;
    overflow: hidden;
}

.grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.grid-overlay {
    position: absolute;
    bottom: 30px;
    left: 30px;
    color: white;
    z-index: 2;
}

.grid-overlay h3 {
    font-size: 30px;
    font-weight: 500;
}

.grid-item::after {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
    transition: background 0.4s ease;
}

.grid-item:hover img {
    transform: scale(1.05);
}

.grid-item:hover::after {
    background: rgba(0,0,0,0.65);
}

@media (max-width: 900px) {
    .image-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 600px) {
    .image-grid {
        grid-template-columns: 1fr;
    }
}

.energy-impact {
    background: #f5f4ee;
    padding: 90px 0;
    text-align: center;
    color: #1a1a1a;
}

.energy-impact .partners {
    display: flex;
    justify-content: center;
    gap: 60px;
    font-weight: 600;
    opacity: 0.6;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.energy-impact .subtitle {
    margin-bottom: 20px;
    font-size: 14px;
    opacity: 0.7;
}

.big-number {
    font-size: 150px;
    font-weight: 400;
    color: #2e5f3f;
    margin-bottom: 15px;
}

.kpi-description {
    margin-bottom: 80px;
    font-size: 16px;
    opacity: 0.7;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: left;
}

.impact-card {
    background: #ebe7dc;
    padding: 40px;
    border-radius: 6px;
}

.impact-card.highlight {
    background: #e0dccf;
}

.impact-card .tag {
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 15px;
    opacity: 0.6;
}

.impact-card h3 {
    margin-bottom: 15px;
    font-size: 22px;
}

.impact-card p {
    font-size: 15px;
    margin-bottom: 20px;
    opacity: 0.8;
}

.impact-card a {
    font-size: 14px;
    text-decoration: none;
    color: #1a1a1a;
    font-weight: 500;
}

.impact-card .year {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 12px;
    opacity: 0.5;
}
.icon {
    margin-bottom: 20px;
}

.impact-card svg {
    display: block;
}


.grid-item {
    position: relative;
    display: block;
    overflow: hidden;
}

.grid-logo {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 3;
}

.grid-logo1 {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 3;
}

.grid-logo img {
    height: 32px;   /* anpassen */
    width: auto;
}

.grid-logo1 img {
    height: 25px;   /* anpassen */
    width: auto;
}

.footer-cta {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 40px;
  padding: 20px;
  background: #ffffff;
}

/* LEFT */
.footer-cta-left {
  background: #ffffff;
  padding: 60px;
  border-radius: 6px;
  color: rgb(0, 0, 0);
}

.footer-logo {
  height: 36px;
  width: auto;
  margin-bottom: 30px;
}

.footer-cta-left h3 {
  font-size: 28px;
  margin: 0 0 18px;
}

.footer-cta-left p {
  font-size: 16px;
  line-height: 1.6;
  color: #555;
  margin-bottom: 26px;
}

.cta-btn-light {
  display: inline-block;
  padding: 14px 28px;
  background: #000fff;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  margin-bottom: 30px;
}

.contact-block {
  display: grid;
  gap: 16px;
  font-size: 14px;
  color: #555;
}

.contact-block a {
  color: #555;
  text-decoration: none;
}

.contact-block a:hover {
  color: rgb(0, 0, 0);
}

/* RIGHT */
.footer-cta-right {
  background: #111111;
  color: white;
  padding: 60px;
  border-radius: 6px;
  position: relative;
  display: flex;
  flex-direction: column;
}

.footer-cta-right h3 {
  font-size: 30px;
  margin: 0 0 40px;
}

.cta-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.cta-btn-white {
  background: white;
  color: black;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
}

.cta-btn-dark {
  background: #222;
  color: white;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
}

.right-bottom {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  gap: 18px;
  font-size: 14px;
}

.footer-links a {
  color: #aaa;
  text-decoration: none;
}

.footer-links a:hover {
  color: white;
}

.footer-copy {
  font-size: 13px;
  color: #666;
}

/* Responsive */
@media (max-width: 900px) {
  .footer-cta {
    grid-template-columns: 1fr;
    padding: 40px;
  }
}

/* ============================= */
/* TABLET (bis 1024px) */
/* ============================= */

@media (max-width: 1024px) {

  .container {
    width: 90%;
  }

  .hero h1 {
    font-size: 42px;
  }

  .video-overlay h2 {
    font-size: 48px;
  }

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

  .big-number {
    font-size: 90px;
  }

  .footer-cta {
    grid-template-columns: 1fr;
    padding: 40px;
  }

  .footer-cta-left,
  .footer-cta-right {
    padding: 40px;
  }

  .right-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

}


/* ============================= */
/* MOBILE (bis 768px) */
/* ============================= */

@media (max-width: 768px) {

  body {
    overflow-x: hidden;
  }

  .container {
    width: 92%;
  }

  nav {
    padding: 16px 20px;
  }

  .nav-logo img {
    height: 36px;
  }

  nav ul {
    gap: 16px;
    font-size: 14px;
  }

  .hero {
    padding: 160px 0 100px 0;
  }

  .hero h1 {
    font-size: 32px;
    line-height: 1.2;
  }

  .hero p {
    font-size: 16px;
  }

  .buttons {
    flex-direction: column;
    gap: 14px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    text-align: center;
  }

  .section-dark {
    padding: 80px 0;
  }

  .section-dark h2 {
    font-size: 26px;
  }

  .values {
    grid-template-columns: 1fr;
    padding: 80px 0;
  }

  .card {
    padding: 30px;
  }

  .video-section {
    height: 60vh;
  }

  .video-overlay {
    padding: 30px;
  }

  .video-overlay h2 {
    font-size: 32px;
    font-weight: 300;
    max-width: 100%;
  }

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

  .grid-overlay h3 {
    font-size: 22px;
  }

  .energy-impact {
    padding: 60px 0;
  }

  .big-number {
    font-size: 60px;
  }

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

  .impact-card {
    padding: 30px;
  }

  .footer-cta {
    grid-template-columns: 1fr;
    padding: 30px 20px;
  }

  .footer-cta-left,
  .footer-cta-right {
    padding: 30px;
  }

  .footer-cta-left h3,
  .footer-cta-right h3 {
    font-size: 22px;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cta-btn-white,
  .cta-btn-dark,
  .cta-btn-light {
    width: 100%;
    text-align: center;
  }

  .right-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

}


/* ============================= */
/* SMALL MOBILE (bis 480px) */
/* ============================= */

@media (max-width: 480px) {

  .hero h1 {
    font-size: 26px;
  }

  .video-overlay h2 {
    font-size: 24px;
  }

  .big-number {
    font-size: 44px;
  }

  nav ul {
    display: none; /* Optional: Navigation ausblenden wenn kein Burger-Menü existiert */
  }

}