* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --colorWhite: white;
  --colorFontA: grey;
  --colorFontBanner: rgb(211, 211, 211);
  --colorFontTextNav: rgb(211, 211, 211);
  --fontSizeBannerH1: 140px;
  --fontSizeh2: 40px;
  --fontSizeh3: 24px;
  --fontSizeh3Responsive: 36px;
  --colorBtn: rgb(104, 100, 52);
  --backGroundColor2: rgb(255, 255, 255);
  --backGroundColor1: #ECFDF3;
  /*D1FADF; e1f2ff*/
  --colorFontContentTitle: grey;
  --backGroundColorASide: #1E2027;
  --fontMenuLi: darkslategray;
  --fontSizeTablet: 48px;
}

ul,
nav {
  list-style: none;
}

a {
  text-decoration: none;
  cursor: pointer;
  color: var(--colorWhite);
}

/* ----- header ----- */
header {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  padding-top: 35px;
  padding-left: 100px;
  padding-right: 100px;
  z-index: 10;


  /* flex */
  display: flex;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  display: -o-flex;
  justify-content: space-between;
  align-items: center;
}


header nav {
  display: flex;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  display: -o-flex;
}

header nav li {
  margin: 0 1px;
  width: 140px;
  text-align: center;
  text-transform: uppercase;
}

header nav li a:hover {
  color: var(--colorFontA);
}

header nav li a {
  color: white;
}

header .button-burger-menu {
  display: none;
}

@media screen and (min-width: 360px) and (max-width: 567px) {
  header {
    flex-direction: column;
  }

  header nav {
    flex-direction: column;
    display: none;
  }

  header .button-burger-menu {
    display: inline;
  }
}

@media screen and (min-width: 600px) and (max-width: 1025px) {
  body {
    font-size: 24px;
  }

  header {
    flex-direction: column;
  }

  header nav {
    flex-direction: column;
    display: none;
  }

  header .button-burger-menu {
    display: inline;
    font-size: var(--fontSizeTablet);
  }
}

/* ---- menu mobile */
.button-burger-menu {
  position: fixed;
  top: 40px;
  right: 40px;
  font-size: 40px;
  line-height: 40px;
  transition: 0.3s;
  color: var(--colorFontTextNav);
  display: inline;
}

.button-burger-menu:hover {
  cursor: pointer;
}

aside.active {
  position: fixed;
  top: 0;
  left: -400px;
  width: 75%;
  height: 100%;
  background: var(--backGroundColorASide);
  transition: 0.3s linear;
  z-index: 100;
  color: var(--colorFontTextNav);
  visibility: hidden;
}

aside nav ul {
  display: flex;
  flex-direction: column;
}

aside.show {
  left: 0;
  visibility: visible;
}

i.show {
  display: none;
}

aside nav ul {
  margin: 64px 0;
  padding: 0;
}

aside nav ul li {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  box-sizing: border-box;
  padding: 16px 24px;
  line-height: 30px;
}

aside nav ul li a {
  color: var(--colorFontTextNav);
}

aside nav ul li:hover {
  background-color: var(--fontMenuLi);
}

@media screen and (min-width: 600px) and (max-width: 1025px) {
  aside nav ul li {
    font-size: 36px;
    font-weight: 600;
    box-sizing: border-box;
    padding: 36px 44px;
    line-height: 36px;
  }
}

/* ----- banner -----  */
/*#009688*/
.banner {
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), #00D084),url(images/background.png);
  background-size: cover;
  background-position: top;
  height: 100vh;

  display: flex;
  display: -webkit-flex;
  display: -moz-flex;
  display: -ms-flexbox;
  display: -o-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.banner-text {
  color: var(--colorFontBanner);
  text-align: center;
  padding-top: 100px;
}

.banner-text h1 {
  font-size: var(--fontSizeBannerH1);
  font-weight: 700;
  font-family: 'Kaushan Script', cursive;
}

.banner-text p {
  font-size: 20px;
  font-style: italic;
  font-family: 'Roboto Mono', monospace;
}

.banner-btn {
  margin: 80px 0;
  width: 150px;
  display: inline-block;
  padding: 12px 0;
  color: white;
  border: 0.5px solid white;
  position: relative;
  z-index: 1;
  transition: background-color 0.5s linear;
  text-align: center;
  cursor: pointer;
}

.banner-btn a span {
  color: white;
}

.banner-btn:hover {
  background-color: var(--colorBtn);
}

@media screen and (min-width: 360px) and (max-width: 567px) {
  .banner {
    background-position: unset;
  }

  .banner-text h1 {
    font-size: 44px;
  }
}

/* ----- section about ----- */
.about {
  width: 100%;
  padding: 80px 0;
  background-color: var(--backGroundColor2);
}

.section-title h2 {
  font-size: var(--fontSizeh2);
  text-decoration: underline;
  text-align: center;
  color: chocolate;
  margin: auto;
}

.about-content {
  width: 80%;
  margin: 100px auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
  text-align: center;
}

.about-img img {
  width: 360px;
  height: 360px;
  border-radius: 4%;
}

.sillenbuch-img img {
  width: 800px;
  height: 450px;
  border-radius: 2%;
}

.event-img img {
  width: 800px;
  height: 600px;
  border-radius: 2%;
}

.about-box {
  display: flex;
  flex-direction: column;
}

.about-box h3 {
  margin-bottom: 55px;
  font-size: var(--fontSizeh3);
  color: var(--colorFontContentTitle);
}

.about-box p {
  padding: 0 20px;
  text-align: initial;
}

/* section mobile */
@media screen and (min-width: 360px) and (max-width: 576px) {
  .about-content {
    width: 100%;
    display: flex;
    text-align: center;
    flex-direction: column;

  }

  .about-box h3 {
    font-size: var(--fontSizeh3Responsive);
  }

  .about p {
    margin-top: 25px;
    margin-bottom: 25px;
  }

  .about-img:nth-child(odd) {
    /*transform: translateY(100%);*/
  }

  .about-box:nth-child(even) {
    transform: translateY(-100%);
  }
}


/* section offer */
.offer {
  width: 100%;
  padding: 80px 0;
  background-color: var(--backGroundColor1);
}

.offer-box {
  width: 80%;
  margin: 100px auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.single-offer {
  flex-basis: 48%;
  text-align: center;
  border-radius: 7px;
  margin-bottom: 20px;
  color: white;
  position: relative;
}

.single-offer img {
  width: 100%;
  height: 100%;
  border-radius: 7px;
}

.overlay {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  border-radius: 7px;
  cursor: pointer;
  opacity: 0;
  transition: 1s;
  background: linear-gradient(rgba(0, 0, 0, 0.5), #009688);
}

.single-offer:hover .overlay {
  opacity: 1;
}

.offer-desc {
  width: 80%;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  transition: 1s;
}

hr {
  background: var(--colorWhite);
  height: 2px;
  border: 0;
  margin: 15px auto;
  width: 60%;
}

.offer-desc p {
  font-size: 14px;
}

.single-offer:hover .offer-desc {
  bottom: 40%;
  opacity: 1;
}

@media screen and (min-width: 360px) and (max-width: 567px) {
  .offer-box {
    flex-direction: column;
  }

  .offer-desc {
    top: 0;
    left: 50%;
  }
}

/* section price */
.price {
  width: 100%;
  padding: 80px 0;
  background-color: var(--backGroundColor2);
}

.price .price-area {
  width: 100%;
  margin: 100px auto;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: row;
}

.price button {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.price-button .price-offer-button {
  background-color: var(--backGroundColor1);
  width: 100%;
  height: 50px;
  border: 2px solid grey;
  color: black;
  border-radius: 5%;
  font-weight: 700;
}

.fa-plus {
  color: red;
  font-size: x-large;
  cursor: pointer;
  transition: transform 0.2s ease-in;
}

.fa-plus:hover {
  transform: scale(1.2);
}

.table {
  width: 100%;
  visibility: visible;
  margin: 25px 0;
}

.table th {
  background-color: #95A5A6;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 24px;
}

.table td {
  background-color: #e0e0e0;
  box-shadow: 0px 0px 9px 0px rgba(0, 0, 0, 0.1);
  border: 2px solid var(--backGroundColor1);
  text-align: center;
  line-height: 34px;
}

.active {
  visibility: visible;
}

/* mobile phone price */
@media screen and (min-width: 360px) and (max-width: 567px) {
  .price .price-area {
    flex-basis: 50%;
    flex-wrap: wrap;
    align-items: center;
  }

  .price button {
    display: flex;
    justify-content: space-around;
    align-items: center;
  }

  .price-button .price-offer-button {
    background-color: var(--backGroundColor1);
    width: 100%;
    height: 50px;
    border: 2px solid grey;
    color: black;
    border-radius: 5%;
    font-weight: 700;
  }
}

@media screen and (min-width: 600px) and (max-width: 1025px) {
  .price-button .price-offer-button {
    width: 80%;
    margin: auto;
  }
}

/* section opinions */
.opinion {
  width: 100%;
  padding: 80px 0;
  background-color: var(--backGroundColor1);
}

.opinion-box {
  width: 80%;
  margin: 100px auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
}

.opinion-col {
  flex-basis: 30%;
  padding: 10px;
  margin-bottom: 30px;
  border-radius: 5px;
  box-shadow: 0 10px 20px 3px #00000014;
  cursor: pointer;
  transition: transform .5s;
  background-color: rgb(251, 251, 251);
}

.opinion-col p {
  font-size: 14px;

}

.user {
  display: flex;
  align-items: center;
  margin: 20px 0;
  width: 100%;
  height: 40px;
  font-size: 44px;
  margin-right: 20px;
  border-radius: 3px;
  color: var(--colorFontA);
  justify-content: flex-start;
}

.user p {
  margin-left: 10px;
  font-weight: bold;
}


.opinion-col:hover {
  transform: scale(1.1);
}

/* mobile phone opinio */
@media screen and (min-width: 360px) and (max-width: 567px) {
  .opinion-box {
    flex-direction: column;
  }
}

/* section contact */
.contact {
  width: 100%;
  padding: 80px 0;
  background-color: var(--backGroundColor1);
  margin: auto;
}

.contact a {
  color: black;
}

.contact-box {
  display: flex;
  justify-content: space-between;
  margin: 100px auto;
}

.contact-col {
  display: flex;
  flex-direction: row;
}

.contact-col-1,
.contact-col-2 {
  width: 150px;
}

.contact-col-1 p {
  font-weight: bold;
  color: var(--colorFontA);
}

.contact-col-1 p,
.contact-col-2 p {
  margin-bottom: 5px;
}

/* mobile phone contact */
@media screen and (min-width: 360px) and (max-width: 567px) {
  .contact-box {
    flex-direction: column;
  }

  .contact-col {
    margin: 20px 20px;
    font-size: 14px;
  }

  .contact-col-2 {
    text-align: end;
  }
}

/* section footer */
footer {
  width: 100%;
  padding: 80px 0;
  background-color: rgb(41, 41, 41);
}

.social-media {
  width: 80%;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  margin: auto;
}

.social-media .tile {
  flex-basis: 25%;
  text-align: center;
  font-size: 54px;
}

.tile .fab {
  color: white;
  cursor: pointer;
  text-align: center;
}

.tile .fab:hover {
  color: var(--colorFontA);
}