@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-family: "Poppins", Arial, Helvetica, sans-serif;
  scroll-behavior: smooth;
}

/* navigation */
.top_bar {
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 10px;
  padding-top: 15px;
  position: fixed;
  right: 0;
  left: 0;
  transition: all 0.5s ease-in-out;
  color: #eaeaea;
  z-index: 1;
}

.top_bar.sticky {
  position: fixed;
  background: rgb(2, 63, 87);
  color: #eaeaea;
}

.top_bar h1 {
  font-size: 1.5em;
  cursor: pointer;
}

.top_bar ul {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  overflow: hidden;
}

.top_bar ul li {
  list-style-type: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

.top_bar ul .close {
  display: none;
}

.top_bar ul li a {
  text-decoration: none;
  color: inherit;
  font-size: 1em;
  transition: 0.4s ease;
}

.top_bar ul li:hover a {
  color: #75c8cf;
}

.top_bar .menu {
  display: none;
}
/* navigation */

/* home */
.hero {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 100vh;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.5);
}

.hero h1 {
  color: rgba(255, 255, 255, 0.9);
  font-size: 7em;
  letter-spacing: 50px;
  overflow: hidden;
  border-right: 3px solid #fff;
  width: 100%;
  white-space: nowrap;
  text-shadow: 0 0 5px #fff, 0 0 5px #fff, 0 0 10px #75b5bb, 0 0 10px #5ca8af,
    0 0 15px #78d0d8, 0 0 15px #75acb1, 0 0 20px #6ea3a8;
  animation: typing 2s ease-in-out infinite alternate,
    cursor 0.4s step-end infinite alternate,
    neonGlow 2s ease-in-out infinite alternate;
  padding-left: 15px;
}

/* blinking cursor */
@keyframes cursor {
  50% {
    border-color: transparent;
  }
}

/* typing aniamtion */
@keyframes typing {
  0% {
    width: 0%;
  }
}

/* neon glow animation */
@keyframes neonGlow {
  0% {
    text-shadow: 0 0 5px #fff, 0 0 5px #fff, 0 0 10px #75b5bb, 0 0 10px #5ca8af,
      0 0 15px #78d0d8, 0 0 15px #75acb1, 0 0 20px #6ea3a8;
  }
  100% {
    text-shadow: 3px 5px 5px #fff, 3px 5px 5px #fff, 4px 6px 10px #75b5bb,
      4px 6px 10px #5ca8af, 5px 7px 15px #78d0d8, 5px 7px 15px #75acb1,
      6px 8px 20px #6ea3a8;
  }
}

.hero .bg_video {
  position: absolute;
  width: 100%;
  height: 100%;
  z-index: -1;
  object-fit: cover;
  object-position: center;
  background: #0c1c24;
}
/* home */

/* about */
.container-about {
  padding-top: 4.5em;
}

.about-title {
  text-align: center;
}

.about-title h1 {
  font-size: 2em;
}

.article {
  margin: 3em;
}

.container-text {
  display: flex;
  justify-content: space-between;
  align-items: center;
  /* border: 3px solid black; */
  width: 100%;
  margin: 20px auto;
  padding: 15px;
  flex-wrap: wrap;
  gap: 20px;
}

.container-text .pengertian {
  width: 40%;
}

.container-text .pengertian h3,
.container-text .fungsi h3,
.container-text .komponen h3 {
  font-size: 1.3em;
  margin-bottom: 5px;
}

.container-text .pengertian p,
.container-text .fugsi ol li,
.container-text .komponen p,
.container-text .komponen .sumber,
.container-text .komponen ul li {
  font-size: 1em;
  line-height: 24px;
}

.container-text .fungsi,
.container-text .pengertian,
.container-text .komponen {
  margin: 0 5.5em;
}

.container-text .fungsi ol,
.container-text .komponen ul {
  margin-left: 1.05em;
}

.container-text .komponen ul {
  margin-bottom: 5px;
}

.container-text .komponen .sumber a {
  text-decoration: none;
  color: #5da0a7;
}

.container-text .komponen p {
  margin-bottom: 5px;
}
/* about */

/* tutorials */
.header {
  padding-top: 4.5em;
}

.header .title {
  margin-left: 150px;
}

.header .title h1 {
  font-size: 1.6em;
  color: #333;
  margin-bottom: 5px;
}

.alat_bahan .title h3 {
  font-size: 1.3em;
  margin-bottom: 5px;
}

.alat_bahan .title ul {
  margin-left: 20px;
  margin-bottom: 80px;
}

.langkah_langkah .title {
  margin-bottom: 5px;
}

.langkah_langkah .container {
  margin-left: 150px;
}

.langkah_langkah .container .text {
  margin-bottom: 10px;
  font-size: 1em;
  line-height: 24px;
}

.langkah_langkah .container .text .gambar {
  /* border: 3px solid black; */
  width: 40%;
  margin-left: 17px;
  margin-top: 5px;
  margin-bottom: 20px;
}

.langkah_langkah .container .text .container_gambar {
  display: flex;
  gap: 25px;
  flex-wrap: wrap;
}

.langkah_langkah .container .text .gambar_1,
.langkah_langkah .container .text .gambar_2 {
  width: 40%;
  margin-top: 10px;
  margin-left: 17px;
  margin-bottom: 20px;
}

.langkah_langkah .container .text .gambar_1 img,
.langkah_langkah .container .text .gambar_2 img {
  width: 100%;
}

.langkah_langkah .container .text .gambar img {
  width: 100%;
  margin-bottom: 10px;
}

.langkah_langkah .container_hasil {
  display: flex;
  margin-top: 15px;
}

.langkah_langkah .container_hasil .sebelum,
.langkah_langkah .container_hasil .sesudah {
  width: 20%;
}

.langkah_langkah .container_hasil .sebelum h4,
.langkah_langkah .container_hasil .sesudah h4 {
  font-size: 1em;
  margin-bottom: 10px;
}

.langkah_langkah .container_hasil .sebelum img,
.langkah_langkah .container_hasil .sesudah img {
  width: 100%;
}

.kesimpulan {
  margin: 20px 150px;
  line-height: 24px;
  text-transform: capitalize;
}

.kesimpulan h2 {
  font-size: 1.5em;
  margin-bottom: 5px;
}

.kesimpulan p {
  font-size: 1em;
}
/* tutorials */

/* footer */
footer {
  background: rgb(2, 63, 87);
  color: #eaeaea;
  padding: 15px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

footer .socials {
  margin-top: 15px;
}

footer a {
  color: rgb(4, 184, 255);
  text-decoration: none;
  transition: 0.4s ease-in-out;
}

footer a:hover {
  color: #eaeaea;
}

footer .socials a {
  text-decoration: none;
  font-size: 1.3em;
  color: #eaeaea;
  margin: 0 10px;
  transition: 0.4s ease-in-out;
}

footer .socials a:hover {
  color: rgb(4, 184, 255);
}
/* footer */

/* break points */
/* laptop */
@media only screen and (min-width: 992px) and (max-width: 1199px) {
}

/* tablet */
@media only screen and (min-width: 768px) and (max-width: 991px) {
  /* home */
  .hero h1 {
    font-size: 3em;
  }
  /* home */

  /* about */
  .container-text {
    margin: 0 auto;
  }
  .container-text .fungsi,
  .container-text .pengertian,
  .container-text .komponen {
    margin: 0 1em;
  }
  /* about */

  /* tutorials */
  .header .title {
    margin: 15px 75px;
  }

  .langkah_langkah .container {
    margin: 15px 75px;
  }

  .langkah_langkah .container .text .gambar {
    width: 65%;
  }

  .langkah_langkah .container .text .container_gambar {
    gap: 0;
  }

  .langkah_langkah .container .text .gambar_1,
  .langkah_langkah .container .text .gambar_2 {
    width: 65%;
  }

  .langkah_langkah .container_hasil .sebelum,
  .langkah_langkah .container_hasil .sesudah {
    width: 30%;
  }

  .langkah_langkah .container_hasil .sesudah {
    margin-left: 0;
  }

  .kesimpulan {
    margin: 20px 75px;
  }
  /* tutorials */
}

/* mobile */
@media only screen and (max-width: 767px) {
  /* navigation */
  .top_bar {
    justify-content: space-between;
    padding: 12px;
  }

  .top_bar::before {
    position: relative;
    overflow: hidden;
  }

  .top_bar ul {
    position: absolute;
    flex-direction: column;
    top: 0;
    right: -100%;
    justify-content: flex-start;
    align-items: flex-start;
    height: 100vh;
    width: 50%;
    background: rgb(4, 100, 138);
    color: #eaeaea;
    padding: 15px;
    transition: all 0.5s ease-in-out;
    z-index: 3;
  }

  .top_bar ul::before {
    content: "";
    position: relative;
  }

  .top_bar ul .close {
    display: block;
    position: absolute;
    top: 0;
    left: 6px;
    font-size: 1.8em;
  }

  .top_bar ul.list {
    right: 0;
  }

  .top_bar ul li {
    margin: 15px 20px 0;
    font-size: 1.03em;
  }

  .top_bar .menu {
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.6em;
  }
  /* navigation */

  /* home */
  .hero h1 {
    font-size: 2.65em;
    letter-spacing: 10px;
  }
  /* home */

  /* about */
  .about-title h1 {
    font-size: 2em;
  }

  .article {
    margin: 1em;
  }

  .container-text {
    margin: 0.3em auto;
  }

  .container-text .pengertian {
    width: auto;
  }

  .container-text .fungsi,
  .container-text .pengertian,
  .container-text .komponen {
    margin: 0.5em auto;
  }

  .container-text .pengertian h3,
  .container-text .fungsi h3,
  .container-text .komponen h3 {
    font-size: 1.08em;
  }

  .container-text .pengertian p,
  .container-text .fugsi ol li,
  .container-text .komponen p,
  .container-text .komponen .sumber,
  .container-text .komponen ul li {
    font-size: 0.85em;
  }
  /* about */

  /* tutorials */
  .header {
    padding-top: 4em;
  }

  .header .title,
  .langkah_langkah .container {
    margin: 15px 30px;
  }

  .header .title h1 {
    font-size: 1.2em;
  }

  .alat_bahan .title h3 {
    font-size: 1em;
  }

  .langkah_langkah .title h2 {
    font-size: 1.3em;
  }

  .alat_bahan .title ul {
    font-size: 0.94em;
    margin-bottom: 35px;
  }

  .langkah_langkah .container .text p {
    font-size: 0.88em;
  }

  .langkah_langkah .container .text .gambar {
    width: 100%;
    margin-left: 0;
  }

  .langkah_langkah .container .text .container_gambar {
    gap: 0;
  }

  .langkah_langkah .container .text .gambar_1,
  .langkah_langkah .container .text .gambar_2 {
    width: 100%;
    margin-left: 0;
    margin-bottom: 10px;
  }

  .langkah_langkah .container_hasil .sebelum,
  .langkah_langkah .container_hasil .sesudah {
    width: 50%;
    margin-top: 5px;
  }

  .langkah_langkah .container_hasil .sesudah {
    margin-left: 0;
  }

  .langkah_langkah .container_hasil .sebelum h4,
  .langkah_langkah .container_hasil .sesudah h4 {
    font-size: 0.85em;
  }

  .kesimpulan {
    margin: 20px 30px;
  }

  .kesimpulan h2 {
    font-size: 1.2em;
    margin-bottom: 5px;
  }

  .kesimpulan p {
    font-size: 0.9em;
  }
  /* tutorials */
}