* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;

}

body {
  margin: 0;
  padding: 0;
  font-size: 16px;
  font-family: fira-sans, sans-serif;
  font-weight: 300;
  font-style: normal;
 
}

h1, h2, h3 {
  text-wrap: balance;
}



h1 {
  /* font-size: 15vw; */
  font-size: 6rem;
  font-weight: 700;
 color: #2b2118;
  text-transform: uppercase;
  line-height: 1;
}


h2 {
  font-size: 2.8rem;
  color: #3e8446;
  margin: 0;
  padding-bottom: 0.5rem;
  line-height: 1.2;
 

}

h3 {
  font-size: 1.6rem;
  color: #2b2118;
  line-height: 1.4;
  font-weight: 300;
  margin-top: 1.5rem;

}

h4 {
  font-size: 1.45rem;
  color: #2b2118;
  line-height: 1.4;

}

h5 {
  font-size: 1.3rem;
}


p {
  font-size: 1.25rem;
  line-height: 1.6;
  color: #2b2118;
  padding: 0;
  margin: 0;
}

.uppercase {
  text-transform: uppercase;
}

.farbe_gruen {
    color: #3e8446;
}

.farbe_black {
  color: #2b2118;
}
a {
  text-decoration: none;
  color: #3e8446;
  font-family: fira-sans, sans-serif;
  font-weight: 400;
}


.margin-top {
margin-top: 7rem;
}

.padding-top {
margin-top: 3rem;
}

.padding_null {
  padding-left: 0;
}


.wichtigertext {
  font-weight: 700;
}

li {
  text-align: left;
  font-size: 1.25rem;
  padding-bottom: 10px;
  line-height: 1.6;
}

header {
  width: 100%;
  margin: 0 auto;

}

img {
  display: block;
  max-width: 100%;
}



/* Hamburger Menü */

nav {
  width: 100%;
  height: 80px;
  background-color: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  position: fixed;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1;
}

nav img {
  width: 50px;
}


/* Header */

.header {
  background: url("../img/header_triologie_Header_1.jpg") no-repeat top center/cover;
  width: 100%;
  height: 100vh;
}

/* Einleitung */

.einleitung {
  display: flex;
  width: 100%;
  margin: auto;
  padding: 3rem;
  align-items: center;
  gap: 30px;
  flex-wrap: wrap;
  background-color: #ebe9e9;
  
}

.einleitungstext {
flex: 40%;
}


.einleitung-img img {
  object-fit: cover;
  flex: 60%;
  max-width: 600px;
  width: 100%;
  
}



/* Band 1 */
.band_1 {
  background: url("../img/header_triologie_Header_Band_1.jpg") no-repeat center left/cover;
  width: 100%;
  height: 100vh;
  position: relative;
  margin-bottom: 7rem;
}


.farbe_band_1 {
  color: #80e961;
 
}
  
  
.band_1_bg {
  background-color:#80e961;  
   width: 100%;
  padding-bottom: 3rem;
  padding-top: 3rem;

}

.farbe_white {
  color: #fff;
}

.container-grid {
  width: 80%;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
  grid-template-rows: 250px 250px auto;
  gap: 3rem;
}

.text-einstieg {
  grid-column: 1 / span 2;
  padding-top: 15%;

}

.img-buch_band_1 {
  grid-column: 3 / span 3;
  grid-row: 1 / span 4;
  background: url("../img/Mockup_Band_1.jpg") no-repeat center center/cover;
  border-radius: 10px;
  position: relative;
 
}

.titel-rene {
  grid-column: 2 / span 4;
}

.klappentext {
  grid-column: 2 / span 4;
  margin-bottom: 7rem;
  border-left: #ebe9e9 solid 8px;
  padding-left: 2rem;
}

.termin {
  position: absolute;
  top: 0.5rem;
  right: 5%;
  color: #333;
  font-weight: 700;
}

  /* Band 2 */


.band_2 {
  background: url("../img/header_triologie_Header_Band_2.jpg") no-repeat left center/cover;
  width: 100%;
  height: 100vh;
  position: relative;
  margin-bottom: 7rem;

}

  .img-buch_band_2 {
  grid-column: 3 / span 3;
  grid-row: 1 / span 4;
  background: url("../img/Mockup_Band_2.jpg") no-repeat center center/cover;
  border-radius: 10px;
  position: relative;
 
} 



.farbe_band_2 {
  color: #218a9d;
}


 /* Band 3 */
.band_3 {
  background: url("../img/header_triologie_Header_Band_3.jpg") no-repeat center left/cover;
  width: 100%;
  height: 100vh;
  position: relative;
   margin-bottom: 7rem;
}

  .img-buch_band_3 {
  grid-column: 3 / span 3;
  grid-row: 1 / span 4;
  background: url("../img/Mockup_Band_3.jpg") no-repeat center center/cover;
  border-radius: 10px;
  position: relative;
 
} 

.band_3 h3 {
  position: absolute;
  top: 50px;
  left: 50px;
  background-color: #f27b50;
  padding: 2rem 3rem 2rem;
  border-radius: 10px;
 
}

.farbe_band_3 {
  color: #f27b50;
}

.band_3_bg {
  background-color:#f27b50;  
   width: 100%;
   padding-bottom: 3rem;
  padding-top: 3rem;

}


.container {
  max-width: 1000px;
  width: 80%;
  margin: 4rem auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #333;
}

/* Header Active Noise Hoover */

.container-100 {
  width: 100%;
  margin-top: 7rem;
  margin-bottom: 7rem;
}

.active-noise-area {
  position: relative;
  height: 100vh;
  width: 100%;
  
}

.active-noise-area img {
  position: absolute;
  left: 0;
  height: auto;
  width: 100%;
  transition: opacity 1s ease-in-out;
  object-fit: cover;
}
  

.active-noise-area img.active-noise-front:hover {
  opacity: 0;
}


/* Bandvorstellung */


.container-flex-column {
  max-width: 1000px;
  width: 80%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  }



.container-polar {
  max-width: 1200px;
  width: 80%;
  margin: 4rem auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 1.5rem;
}

.polar-area {
  position: relative;
  height: 333px;
  width: 333px;
}

figure {
  margin: 0;
}

.polar-area img {
  position: absolute;
  left: 0;
  height: 333px;
  width: 333px;
  transition: opacity 1s ease-in-out;
}

.polar-area img.polar-front:hover {
  opacity: 0;
}



/* Pfeil nach oben */

.pfeil {
  width: 95%;
  height: 20px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: flex-end;
  position: sticky;
  bottom: 10px;

}

.pfeil-icon {
  width: 50px;
  height: 50px;
}

/* Footer */

.footer {
  width: 100%;
  background-color: #ebe9e9;
  height: 150px;
  margin-top: 3rem;
}

.footer-container {
  max-width: 1000px;
  width: 80%;
  height: 150px;
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 20px;
}




@media (max-width: 980px) {

 
  h1 {font-size: 4.5rem;}

  h2 {font-size: 2rem;}

  h3 {
    font-size: 1.2rem;
  }

  p { 
    font-size: 1.1rem;
    line-height: 1.4; 
}

.header {
  height: 70vh;
}


.band_1, .band_2, .band_3 {
  height: 55vh;
  margin-bottom: 5rem;
}



.img-buch_band_1, .img-buch_band_2, .img-buch_band_3  {
  grid-column: 3 / span 3;
  grid-row: 1 / span 2; }


.container {
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 0;
    gap: 20px;

  }

.container-100 {
  width: 100%;
  height: 50vh;
  margin-top: 1rem;
  margin-bottom: 1rem;
}


  .container-flex-column {
    max-width: 80%;
    justify-content: center;
    align-items: center;
  }


}

@media (max-width: 780px) {

.header {
height: 60vh;
margin-bottom: 0;
  }

.band_1, .band_2, .band_3 {
margin-bottom: 3rem;
}

.container-grid {
  row-gap: 3rem;
}

.text-einstieg {
  grid-column: 1/6;
  grid-row: 1/2;
  align-self: start;
  padding-top: 0;
}

.img-buch_band_1, .img-buch_band_2, .img-buch_band_3 {
  grid-column: 1/6;
  grid-row: 2 / span 4;
 
}

.titel-rene {
  grid-column: 1/6;
}

.klappentext {
  grid-column: 1/6;
  margin-bottom: 3rem;
  padding-left: 2rem;
}

.container-100 {
  margin-top: 3rem;
  margin-bottom: 0;
  height: 45vh;
}

.container-polar {
  margin-top: 2rem;
  row-gap: 2rem;
}

.footer-container {
  justify-content: center;
 
}

}

@media (max-width: 480px) {
  body {
    font-size: 12px;}

  h1 {
    font-size: 3rem;}

  nav {
  height: 60px;}

nav img {
  width: 35px;}

  .header {
    height: 40vh;
    margin-bottom: 0;}

  .band_1, .band_2, .band_3 {
  height: 30vh;
  margin-bottom: 1rem;
}

.einleitungstext {
  width: 100%;
}

/* Grid für mobile */

.container-grid {
  width: 85%;
  grid-template-rows: auto;
  gap: 1rem;
}


.text-einstieg {
  grid-column: 1 / span 6;
  grid-row: 1 / span 2;
  margin-top: 1rem;
}

.img-buch_band_1, .img-buch_band_2, .img-buch_band_3 {
  grid-column: 1 / span 6;
  grid-row: 3 / span 4;
  height: 30vh;
 
}

.termin {
  top: 0.05rem;
}


.titel-rene {
  grid-column: 1 / span 6;
  grid-row: 7 / span 4;


}

.klappentext {
  grid-column: 1 / span 6;
  grid-row: 11 / span 8;
  padding-left: 1.1rem;

  
}


.container-100 {
  width: 100%;
  height: 25vh;
  margin-top: 2rem;
  margin-bottom: 0rem;
}

.container-polar {
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  row-gap: 1rem;
}

.polar-area, .polar-area img {
  height: 250px;
  width: 250px;
}



}