@import url("https://fonts.googleapis.com/css2?family=Zen+Antique&display=swap");

:root {
  --box-shadow: 0 8px 22px rgba(0, 0, 0, 0.2);
}

* {
  transition: all 0.4s ease;
}

body {
  font-family: "Zen Antique", serif;
  color: white;
}

html {
  font-size: 62.5%;
}

h2,
h3 {
  position: relative;
  z-index: 1;
  font-size: 3rem;
  font-weight: 540;
}

h4 {
  position: relative;
  z-index: 1;
  font-size: 2rem;
  font-weight: 540;
}

p {
  font-weight: 500;
  font-size: 1.7rem;
  line-height: 3rem;
  letter-spacing: 0.2rem;
}

a,
span {
  position: relative;
  z-index: 1;
}



section {
  padding-top: 80px;
  padding-bottom: 60px;
}

header {
  position: fixed;
  z-index: 1000;
  padding: 1.2rem 5.4rem;
  text-shadow: black 1px 3px 6px;
}

.logo-title {
  cursor: pointer;
}

header img {
  width: 3.5rem;
}

/* ----- book-javascript ----- */
header .book-close-btn {
  display: block;
}

header .book-close-btn.active {
  display: none;
}

header .book-open-btn {
  display: none;
}

header .book-open-btn.active {
  display: block;
}
/* ----- book-javascript ----- */

header a:link {
  color: #ffffff;
  text-decoration: none;
}

header a:visited {
  color: #ffffff;
  text-decoration: none;
}

header a:hover {
  color: rgb(71, 173, 187);
  text-decoration: none;
}


header .menu-bar {
  position: absolute;
  top: 30vh;
  right: -200px;
  /* right: -20px; */
  background: #000;
  width: 270px;
  height: 450px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 2rem;
  box-shadow: var(--box-shadow);
  opacity: 0;
}

header .menu-bar.active {
  right: -20px;
  opacity: 1;
}

header .menu-bar li {
  margin-bottom: 3rem;
}
header .menu-bar li a {
  text-decoration: none;
  color: #fff;
  font-size: 2rem;
}

header .menu-bar li a:hover {
  color: rgb(71, 173, 187);
}


/* business section */
.business h2 {
  font-size: 4rem;
}

.business h3 {
  font-size: 3rem;
}

.business img {
  width: 100%;
  height: 100%;
}

.card-effect {
  box-shadow: var(--box-shadow);
}

.game-card {
  background-color: rgb(255, 255, 255);
}

.game-card h5 {
  font-size: 2rem;
}

.game-card p {
  font-size: 1.7rem;
  line-height: 1.8rem;
  letter-spacing: 0.1rem;
}

.game-card:hover {
  box-shadow: none;
  transform: translateY(4px);
}




/* company section */
.company {
  background-image: url("./pcts/back1-2.jpg");
  background-size: cover;
  background-attachment: fixed;
  position: relative;
}

.company::after {
  position: absolute;
  content: "";
  background-color: rgba(0, 0, 0, 0.3);
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.company h2 {
  position: relative;
  z-index: 1;
  font-size: 3.9rem;
}

.company p {
  position: relative;
  z-index: 1;
  font-size: 2.5rem;
  line-height: 3.9rem;
}

.conmpany-text-last {
  position: absolute;
  top: 65%;
  left: 20%;
  color: #ffffff;
}

.company-info .more a {
  display: inline-block;
  color: white;
  font-size: 1.7rem;
  padding: 0.6rem;
}

.company-info .more a:hover {
  color: rgb(71, 173, 187);
  transform: translateX(1rem);
}

/* hardware section */
.hardware {
  width: 50%;
  height: 25%;
}

.hardware-card img {
  width: 100%;
  height: 100%;
}

.hardware-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hardware-card h3 {
  position: absolute;
  color: white;
  font-size: 4rem;
  opacity: 0;
}

.hardware-card:hover img {
  transform: scale(1.1);
}

.hardware-card .overlay {
  position: absolute;
  background: #000;
  top: 0;
  left: 0;
  opacity: 0;
  width: 100%;
  height: 100%;
}

.hardware-card:hover .overlay {
  position: absolute;
  top: 0;
  left: 0;
  content: "";
  background: rgb(13, 71, 92);
  width: 100%;
  height: 100%;
  opacity: 0.3;
}

.hardware-card:hover h3 {
  position: absolute;
  display: block;
  opacity: 1;
}

/* contact section */
.contact {
  background-image: url("./pcts/back1-3.jpg");
  background-size: cover;
  background-attachment: fixed;
  position: relative;
}

.contact input {
  height: 4rem;
  margin-bottom: 2rem;
}

.contact textarea {
  width: 70%;
}

.contact .vision-sight-logo h3 {
  position: absolute;
  bottom: 10%;
  right: 8%;
  font-size: 4rem;
}

/* footer section */
footer {
  padding-bottom: 50px;
  padding: 40px;
  background-color: var(--dark);
  font-size: 2rem;
}

footer h2 {
  height: 50%;
  font-size: 3rem;
}

footer a {
  color: var(--body);
  text-decoration: none;
}

footer a:hover {
  color: rgb(71, 173, 187);
}

@media (max-width: 1000px) {
  .hero h1 {
    font-size: 5rem;
  }

  .hero h3 {
    width: 400px;
    font-size: 3rem;
  }
}

@media (max-width: 768px) {
  .hero .title {
    transform: translateY(-50px);
    text-align: center;
  }

  .hero h1 {
    font-size: 6rem;
  }

  .hero h3 {
    width: 100%;
    text-align: center;
  }

  .hardware-card h3 {
    font-size: 3rem;
  }
}

@media (max-width: 576px) {
  html {
    font-size: 45%;
  }

  .hero h3 {
    font-size: 2rem;
  }

  /* company section */
  .company-info {
    text-align: center !important;
    padding: 2rem !important;
  }

  .conmpany-text-last {
    position: static;
    margin-top: 30rem;
  }

  .company-info h2 {
    margin-bottom: 4.6rem !important;
  }

  .company-info p {
    line-height: 5rem;
    font-size: 2.2rem;
  }

  .company-info .more {
    margin-top: 9rem;
  }

  .contact h2 {
    font-size: 4.6rem;
    text-align: center;
  }

  /* hardware */
  .hardware {
    width: 70%;
    height: 25%;
  }

  /* footer section */
  footer {
    padding-top: 15px;
  }
}