@charset "utf-8";
/*####################desktop######################*/
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  padding: 0;
  font-family: Roboto, system-ui, sans-serif;
  background: #0f172a;
  overflow-x: hidden;
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  src: url("fonts/roboto-v51-latin-regular.woff2") format('woff2');
}
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 600;
  src: url("fonts/roboto-v51-latin-600.woff2") format('woff2');
}
a {
  text-decoration: none;
}
h4 {
  color: #0f172a;
}
h2, p {
  font-size: 1.2rem;
}
#header {
  height: 14vh;
}
.header_container {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;
  max-width: 1600px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5vw 3vw;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 1002;
}
.logo img {
  height: 14rem;
  width: auto;
}
.phone a {
  color: #f7931e;
  font-weight: bold;
  font-size: clamp(2rem, 2vw, 2rem);
}
.tele {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}
.tele_icon {
  width: clamp(25px, 9vw, 35px);
  height: auto;
}
#switch {
  display: none;
}
.burger {
  width: 70px;
  height: 70px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(12px);
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: transform 0.2s ease, background 0.3s ease;
}
.burger label {
  font-size: clamp(1.2rem, 4vw, 2rem);
  color: #fff;
  cursor: pointer;
  user-select: none;
}
.navi {
  position: absolute;
  top: 100%;
  left: 50%;
  display: none;
  text-align: center;
  transform: translateX(-50%);
  padding-bottom: 1rem;
  z-index: 1004;
}
.navi ul {
  display: flex;
  gap: 2vw;
  padding: 1rem 2rem;
  list-style: none;
  background: rgba(255, 255, 255, 0.35);
  backdrop-filter: blur(15px);
  border-radius: 20px;
}
.navi li a {
  color: #0f172a;
  font-size: clamp(1rem, 2vw, 2rem);
  font-weight: bold;
  padding: 0.5rem 1rem;
  border-radius: 12px;
  white-space: nowrap;
  transition: background 0.3s, transform 0.2s;
}
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1001;
}
.hero {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 15vh 5vw 5vh;
}
.glass_card {
  padding: 4vw;
  color: #ddd;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}
.glass_card h1 {
  font-size: clamp(1.8rem, 6vw, 3rem);
  margin-bottom: 1rem;
}
.glass_card p {
  font-size: clamp(1rem, 4vw, 1.7rem);
  line-height: 1.5;
}
.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 90%;
  max-width: 1300px;
  margin: 50px auto;
}
.card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  min-height: 400px;
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  gap: 1rem;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  transition: all 0.6s ease;
}
.card img.icon {
  width: 200px;
  height: 200px;
  object-fit: contain;
  margin-bottom: 0.5rem;
}
.card:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.45);
}
.card h2 {
  font-size: 1.9rem;
  color: #ddd;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 0.5rem;
}
.card p {
  font-size: clamp(1.1rem, 4vw, 1.7rem);
  line-height: 2.4rem;
  max-width: 400px;
  color: #ccc;
}
#about {
  padding: 10%;
  max-width: 100%;
  margin: 0 auto;
  color: #ddd;
}
#about h2 {
  font-size: clamp(1.4rem, 5vw, 2.5rem);
  margin-bottom: 1rem;
}
#about p {
  font-size: clamp(1.1rem, 4vw, 1.7rem);
  line-height: 2.4rem;
  width: 90%;
}
.about_image {
  float: right;
  width: clamp(180px, 30%, 280px);
  margin-left: 2vw;
}
.about_image img {
  width: 100%;
  height: auto;
  border-radius: 50%;
}
.wichtig {
  font-size: clamp(1.1rem, 4vw, 1.7rem);
  margin-top: 10vh;
  color: #ddd;
  line-height: 2.4rem;
  width: auto;
}
.glas_slide {
  width: 100vw;
  height: 90vh;
  margin: 0;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.slider {
  position: relative;
  width: min(900px, 80vw);
  height: 80vh;
}
.slider img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  animation: fade 40s infinite;
  border-radius: 10px;
}
@keyframes fade {
  0% {
    opacity: 0;
  }
  6% {
    opacity: 1;
  }
  14% {
    opacity: 1;
  }
  20% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}
.slider img:nth-child(1) {
  animation-delay: 0s;
}
.slider img:nth-child(2) {
  animation-delay: 4s;
}
.slider img:nth-child(3) {
  animation-delay: 8s;
}
.slider img:nth-child(4) {
  animation-delay: 12s;
}
.slider img:nth-child(5) {
  animation-delay: 16s;
}
.slider img:nth-child(6) {
  animation-delay: 20s;
}
.slider img:nth-child(7) {
  animation-delay: 24s;
}
.slider img:nth-child(8) {
  animation-delay: 28s;
}
.slider img:nth-child(9) {
  animation-delay: 32s;
}
.slider img:nth-child(10) {
  animation-delay: 36s;
}
.treppenbox {
  max-width: 75%;
  margin: 5% auto;
  padding: 2%;
  color: #fff;
  font-size: 1.1rem;
  line-height: 1.4;
  border: 1px solid #ddd;
  border-radius: 12px;
  overflow: hidden;
  box-sizing: border-box;
}
.img_pics {
  display: flex;
  gap: 10px;
}
.pics, .image {
  flex: 1;
  overflow: hidden;
  border-radius: 8px;
}
.img_pics img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 8px;
}
.stufen {
  padding: 2% 0 2% 0;
}
.footer {
  background: #C9E9FF;
  padding: 2rem 1rem;
  color: #f2f2f2;
}
.footer_box {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
.data {
  flex: auto;
}
.data a {
  display: block;
  color: #0f172a;
  text-decoration: none;
  margin: 0.4rem 0;
}
.data a:hover {
  text-decoration: underline;
}
.copyright {
  text-align: center;
  margin-top: 2rem;
  font-size: 0.7rem;
  opacity: 0.8;
}
.copyright p {
  color: #0f172a;
}
.name {
  color: #0f172a;
}
.nummer {
  color: #0f172a;
}
.mail {
  min-width: 310px;
}
#backbutton {
  position: fixed;
  bottom: 40px;
  right: 40px;
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: 0.2s ease-out;
  z-index: 1000;
}
#backbutton:hover {
  background-color: rgba(255, 255, 255, 0.4);
  transform: translateY(-3px);
}
#backbutton.show {
  opacity: 1;
  pointer-events: auto;
}
.bb_icon {
  width: 35px;
  height: 35px;
}
/*################tablet (600px bis 1023px)#######################*/
@media (min-width: 600px) and (max-width: 1023px) {
  #header {
    height: 9vh;
  }
  .overlay {
    height: 50%;
  }
  .hero {
    min-height: auto;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .services {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    width: 80%;
    justify-content: center;
  }
  .card {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    min-height: 300px;
    padding: 1rem;
    gap: 0rem;
  }
  .card img.icon {
    width: 200px;
    height: 200px;
  }
  .glass_card {
    min-width: 200px;
  }
  .card h2 {
    font-size: 1.5rem;
    min-height: 3.2em;
    line-height: 1.2;
    margin-bottom: 0.2rem;
  }
  .card p {
    font-size: 1.2rem;
    margin-top: 0.3rem;
  }
  #about {
    width: 80%;
  }
  #about p {
    font-size: 1.3rem;
  }
  #about img {
    width: 120%;
    padding: 5% 0 0 0;
  }
  .glas_slide {
    height: 35vh;
  }
  .slider {
    height: 30vh;
    width: 75%;
  }
  .footer_box {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .data {
    text-align: center;
  }
  .copyright {
    text-align: center;
    color: #0f172a;
  }
  .copyright p {
    font-size: 1.1rem;
  }
  #backbutton {
    display: none;
  }
}
/*################desktop(min 1024px)#######################*/
@media (min-width: 1024px) {
  body {
    width: 100%;
    margin: 0 auto;
  }
  #header {
    top: 0;
    height: 10vh;
    max-width: 100%;
  }
  .overlay {
    height: 70%;
  }
  .hero {
    min-height: auto;
  }
  .services {
    grid-template-columns: repeat(3, 1fr);
  }
  .about_text, .wichtig {
    margin-left: 5%;
  }
  .about_image {
    width: 35%;
    padding-bottom: 2%;
  }
  .slider {
    height: 90vh;
    width: 75%;
  }
  .glas_slide {
    width: 100%;
    padding: 2% 0 2% 0;
  }
  .footer_box {
    grid-template-columns: repeat(3, 1fr);
    justify-items: center;
  }
  .data {
    max-width: 400px;
  }
  .data p {
    min-width: 310px;
  }
}
/*#################mobile (bis 599px)############### */
@media (max-width: 599px) {
  #header {
    height: 10vh;
  }
  .hero {
    min-height: 45vh;
  }
  .header_container {
    padding: 5vw;
  }
  .logo img {
    height: 10rem;
  }
  .phone a {
    display: none;
  }
  .burger {
    width: 65px;
    height: 65px;
  }
  .burger label {
    font-size: 1.9rem;
  }
  .navi {
    width: 90%;
  }
  .navi ul {
    flex-direction: column;
    gap: 4vw;
  }
  .navi li a {
    display: block;
  }
  .services {
    width: 100%;
    margin: 0 auto;
    grid-template-columns: 1fr;
  }
  .card {
    margin: 0 auto;
    min-height: auto;
    width: 65%;
  }
  .card h2 {
    font-size: 1.5rem;
  }
  .card img.icon {
    height: auto;
  }
  #about {
    width: 75%;
    text-align: center;
  }
  .about_image {
    width: 90%;
    margin: 15vw auto;
    float: none;
    display: block;
  }
  #about h2 {
    font-size: 1.7rem;
    margin-bottom: 1rem;
  }
  #about p {
    font-size: clamp(1.1rem, 4vw, 1.7rem);
    line-height: 1.5;
  }
  .glas_slide {
    height: 100%;
  }
  .slider {
    height: 25vh;
    width: 75%;
    margin: 5%;
  }
  .footer_box {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .data a {
    font-size: clamp(1rem, 3vw, 1.2rem);
  }
  .copyright p {
    font-size: 1rem;
  }
  #backbutton {
    display: none;
  }
}