* {
  font-family: Helvetica;
  font-size: 15px;
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

header {
  margin-top: 90px;
}

.hotel-pictures {
  display: flex;
  flex-direction: row;
  justify-content: start;
}

.sponsors {
  display: flex;
  flex-direction: row;
  justify-content: start;
}

.bild-hotel {
  display: flex;
  align-items: start;
  width: 250px;
  height: 200px;
  object-fit: cover;
  margin: 2px;
}

.sponsor {
  display: flex;
  align-items: start;
  width: 200px;
  height: 100px;
  object-fit: contain;
  margin-right: 50px;
  padding: 0;
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  background: #1d6996;
  transition: all 0.3s;
}

nav a {
  font-family: Helvetica;
  font-size: 18px;
  letter-spacing: 1;
  font-weight: 200;
  margin-right: 10px;
  color: #fff;
  text-decoration: none;
}

.navbar-dark .navbar-nav .nav-link {
  color: white;
}

.navbar-dark .navbar-nav .nav-link:hover {
  color: #e23c3d;
}

a.home {
  width: 200px;
  margin-right: auto;
  font-size: 2em;
}

.text-rot {
  font-family: Helvetica;
  color: #e23c3d;
  font-size: 16px;
  font-weight: 500;
  margin-bottom: 0;
}

.mail-link {
  color: #1d6996;
  text-decoration-line: none
}

.h1-white {
  font-family: helvetica;
  font-weight: 800;
  font-size: 30px;
  margin-bottom: 20px;
  color: #1d6996;
}

.h2-white {
  font-family: helvetica;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 20px;
  color: #1d6996;
  text-align: left;
  padding: 0;
  margin: 0;
}

.text-weiss {
  font-family: helvetica;
  font-weight: 100;
  font-size: 14px;
  margin-bottom: 20px;
  color: black;
  text-align: left;
  padding: 0;
  margin-top: 10px;
}

.text-klein {
  font-family: Helvetica;
  color: black;
  font-size: 14px;
  font-weight: 100;
  margin: 0;
  padding: 0;
}

.nav-up {
  top: -90px;
}

.span1 {
  display: block;
  font-size: 30px;
  text-align: left;
  color: #1d6996;
  font-family: Helvetica;
  font-weight: 50;
  line-height: 30px;
  margin-top: 40px;
}

.navbar-collapse {
  flex-grow: 0;
}

.span2 {
  line-height: 0.9;
  display: block;
  font-family: Helvetica;
  font-size: 60px;
  font-weight: 300;
  text-align: left;
  color: #e23c3d;
}

.span3 {
  text-shadow: 0 0 3px #1f344f;
  line-height: 1.1;
  display: block;
  font-size: 5vw;
  letter-spacing: 5px;
  font-weight: 600;
  font-style: normal;
}

.span4 {
  margin-top: 20px !important;
}

@media (max-width: 820px) {
  .span1 {
    font-size: 30px;
  }
  .span2 {
    font-size: 40px;
  }
  .span3 {
    font-size: 30px;
  }
  .hotel-pictures {
    display: flex;
    flex-direction: column;
    justify-content: start;
  }
  .sponsors {
    display: flex;
    flex-direction: column;
    justify-content: start;
  }
}

@media (max-width: 768px) {
  .span1 {
    font-size: 18px;
  }
  .span2 {
    font-size: 21px;
  }
  .span3 {
    font-size: 20px;
  }
  .hotel-pictures {
    display: flex;
    flex-direction: column;
    justify-content: start;
  }
  .sponsors {
    display: flex;
    flex-direction: column;
    justify-content: start;
  }
}



.unten-container-light {
  min-height: 235px;
  margin-top: 15px;
  margin-bottom: 15px;
  padding: 40px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 10px 12px rgba(36, 52, 68, 0.2);
  color: #000;
  line-height: 1.6;
  display: block;
  font-size: 18px;
  letter-spacing: 0.8px;
  font-weight: 0;
  font-style: normal;
}
@media (max-width: 992px) {
  .unten-container-light {
    padding: 10px;
    min-height: 175px;
  }
  @media (max-width: 768px) {
    .unten-container-light {
      padding: 20px;
      min-height: 40px;
    }
  }
}

.header-title {
  font-size: 28px;
  letter-spacing: 5px;
  font-weight: 600;
  font-style: normal;
  padding-top: 10px;
  padding-bottom: 5px;
  padding-left: 40px;
  color: #fff;
}

.header-title2 {
  font-size: 28px;
  letter-spacing: 5px;
  font-weight: 600;
  font-style: normal;
  padding-top: 10px;
  padding-bottom: 5px;
  padding-left: 40px;
  color: #1d6996;
}

.linie-rot-unten {
  border: 5px solid #e23c3d;
  margin-top: 50px;
  opacity: 100;
}

.linie-rot-oben {
  border: 5px solid #e23c3d;
  margin-bottom: 50px;
  opacity: 100;
}

.oben-inhalt {
  display: flex;
  height: 100%;
  align-items: center;
  justify-content: center;
  border: 0px solid black;
}

.pfeil-unten {
  background-image: url("../img/Pfeil-unten-BG.svg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  padding: 50px;
  background-color: none;
}

.pfeil-unten2 {
  background-image: url("../img/Pfeil-unten-BG-rot.svg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  padding: 50px;
  background-color: #1d6996;
}

h1  {
  font-family: helvetica;
  font-weight: 800;
  font-size: 30px;
  margin-bottom: 20px;
  color: #1d6996;
}

h2  {
  font-family: helvetica;
  font-weight: 700;
  font-size: 20px;
  margin-bottom: 20px;
  color: #e23c3d;
}

.p-3  {
  padding: 0;
}

.row>*  {
  padding-left: 0;
}

#topics {
  /* background-image: url("../img/BG-Potsdam.jpg"); */
  background-color: #1d6996;
  background-position: center; /* Center the image */
  background-repeat: no-repeat; /* Do not repeat the image */
  background-size: cover; /* Resize the background image to cover the entire container */
  border-radius: 0px;
}

.oben-inhalt2 {
  width: 70%;
  background-color: white;
  padding-left: 50px;
  padding-top: 50px;
  padding-bottom: 50px;
}

.oben-inhalt3 {
  width: 70%;
  background-color: white;
  padding-left: 50px;
  padding-top: 20px;
  padding-bottom: 20px;
}

.inhalt1 {
  min-height: 100px;
  padding: 50px;
  background: #fff;
  border-top: 2px solid #e23c3d;
  border-bottom: 2px solid #e23c3d;
  border-radius: 0px;
  box-shadow: 0 8px 20px rgb(226 60 61 / 60%);
  color: #000;
  line-height: 1.6;
  display: block;
  font-size: 18px;
  letter-spacing: 0.8px;
  font-weight: 0;
  font-style: normal;
}

.inhalt2 {
  min-height: 100px;
  padding: 50px;
  background: white;
  border-top: 2px solid #e23c3d;
  border-bottom: 2px solid #e23c3d;
  border-radius: 0px;
  box-shadow: 0 8px 20px rgb(226 60 61 / 60%);
  color: #1d6996;
  line-height: 1.6;
  display: block;
  font-size: 18px;
  letter-spacing: 0.8px;
  font-weight: 0;
  font-style: normal;
}

@media (max-width: 768px) {
  .inhalt1 {
    padding: 20px;
  }
}

.esgli-style-1 {
  padding-bottom: 40px;
  /* background-color: rgb(255 255 255 / 50%); */
  background-position: center; /* Center the image */
  background-repeat: no-repeat; /* Do not repeat the image */
  background-size: cover; /* Resize the background image to cover the entire container */
  min-height: 200px;
  border-radius: 0px;
  box-shadow: 0 10px 12px rgba(36, 52, 68, 0.2);
  color: #000;
}

@media (min-width: 768px) {
  .esgli-style-1 {
    border-top: 0px solid rgba(36, 52, 68, 0.2);
  }
}

.esgli-style-2 {
  padding-bottom: 40px;
  background-color: #1d6996;
  background-position: center; /* Center the image */
  background-repeat: no-repeat; /* Do not repeat the image */
  background-size: cover; /* Resize the background image to cover the entire container */
  min-height: 200px;
  border-radius: 0px;
  box-shadow: 0 10px 12px rgba(36, 52, 68, 0.2);
  color: #000;
}

@media (min-width: 768px) {
  .esgli-style-2 {
    border-top: 0px solid rgba(36, 52, 68, 0.2);
  }
}

.esgli-style-3 {
  padding: 40px;
  background-color: #fff;
  border: 0px solid black;
  color: #000;
}

.esgli-style-4 {
  padding-bottom: 0px;
  background-image: url("../images/bg4.png");
  background-color: #1c314e;
  background-position: center; /* Center the image */
  background-repeat: no-repeat; /* Do not repeat the image */
  background-size: cover; /* Resize the background image to cover the entire container */
  min-height: 200px;
  border-radius: 0px;
  box-shadow: 0 10px 12px rgba(36, 52, 68, 0.2);
  color: #000;
}

@media (min-width: 768px) {
  .esgli-style-4 {
    border-top: 22px solid rgba(36, 52, 68, 0.2);
  }
}

.esgli-style-5 {
  padding: 25px;
  background-color: #1c314e;
  color: #fff;
}

.esgli-style-6 {
  padding: 25px;
  background-color: #e23c3d;
  color: #fff;
}


.oben {
  background-image: url("../img/BG-Potsdam.jpg");
  background-color: #1c314e;
  background-position: center; /* Center the image */
  background-repeat: no-repeat; /* Do not repeat the image */
  background-size: cover; /* Resize the background image to cover the entire container */
  padding-top: 90px;
  border-radius: 0px;
  box-shadow: 0 10px 12px rgba(36, 52, 68, 0.2);
  color: #fff;
  height: 100vh;
}

.logo-image {
  display: inline-block;
  background-image: url("../img/Logo-Potsdam-Ghods.svg");
  background-repeat: no-repeat; 
  /* background-size: cover;  */
  margin: 0;
  padding: 0;
  width: 200px;
  height: 50px;
}

@media (max-width: 768px) {
  .logo-image {
    /* background-image: url("../images/ESGLI_new_250.png");*/
    width: 223px;
  }
}

/* The flip card container - set the width and height to whatever you want. We have added the border property to demonstrate that the flip itself goes out of the box on hover (remove perspective if you don't want the 3D effect */
.flip-card {
  /*background-color: transparent;*/
  /*width: 300px;*/
  /*height: 200px;*/
  /*border: 1px solid #f1f1f1;*/
}

/* This container is needed to position the front and back side */
.flip-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  text-align: center;
  transition: transform 0.8s;
  transform-style: preserve-3d;
  animation: anim 8s infinite alternate ease-in-out;
}

@keyframes anim {
  0% {
    transform: rotateY(0deg);
  }
  40% {
    transform: rotateY(0deg);
  }
  60% {
    transform: rotateY(180deg);
  }
  100% {
    transform: rotateY(180deg);
  }
}

/* Position the front and back side */
.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden; /* Safari */
  backface-visibility: hidden;
}

/* Style the front side (fallback if image is missing) */
.flip-card-front {
  /*background-color: #bbb;*/
  /*color: black;*/
}

/* Style the back side */
.flip-card-back {
  /*background-color: dodgerblue;*/
  /*color: white;*/
  transform: rotateY(180deg);
}