* {
  box-sizing: border-box;
  font-family: "Oxygen", sans-serif;
}

body {
  margin: 0% 0% 0% 0%;
  padding: 0;
}

main {
  /* costumize with the header's height */
  margin-top: 60px;
}

/* ---------------------------------- Navigation ---------------------------------- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  /* bottom: 0; */
  height: 60px;
  background-color: rgb(38, 70, 83);
  /* add s-index after adding slider to see the difference*/
  z-index: 100;
  /* box-shadow: 0px 0px 50px gainsboro; */
}

.header-icon {
  width: 40px;
  margin: 8px 15px;
  position: absolute;
}

.title {
  text-align: left;
  position: absolute;
  left: 20px;
  padding: 0;
  margin: 14px 30px 0px;
  color: rgb(244, 162, 97);
}

nav {
  position: absolute;
  right: 0;
  margin: 14px 30px 0px;
}

a {
  color: rgb(244, 162, 97);
  text-decoration: none;
  padding: 10px;
  font-weight: bold;
}

/* ---------------------------------- Jumbotron ---------------------------------- */
#jumbotron {
  width: 100%;
}

.jumbotron {
  padding: 20px;
  /* background-color: white; */
  text-align: center;
  background-color: rgb(38, 70, 83);
}

.wave1 {
  position: absolute;
  top: 410px;
  z-index: 2;
}

.wave2 {
  position: absolute;
  top: 430px;
  z-index: 3;
}

.header-flex {
  display: flex;
  justify-content: space-around;
  padding: 0;
}

.jumbotron-title {
  color: rgb(224, 251, 252);
  font-size: 30px;
  padding-bottom: 20px;
}

.jumbotron-text {
  color: rgb(224, 251, 252);
  text-align: left;
  padding-bottom: 20px;
  border-bottom: 8px solid rgb(244, 162, 97);
}

.mini-text-flex {
  display: flex;
  justify-content: flex-start;
}

.mini-text {
  color: rgb(224, 251, 252);
  text-align: left;
  margin-right: 5px;
}

.fa-hand-point-up {
  color: aliceblue;
  font-size: 20px;
}

.icon-down {
  display: none;
}

.fa-hand-point-down {
  color: aliceblue;
  font-size: 20px;
}

button {
  background-color: rgb(38, 70, 83);
  border-style: none;
  /* outline: ; */
}

button:hover {
  cursor: pointer;
  transform: translateY(5px);
}

.jumbotron-img {
  /* border: 2px solid rgb(61, 90, 128); */
  /* border-radius: 30px; */
  /* padding: 3px; */
  height: 400px;
}

.main-content {
  display: flex;
  justify-content: flex-start;
  margin: 20px;
}

/* ---------------------------------- Aside ---------------------------------- */

aside {
  max-width: 25%;
  max-height: 800px;
  border-radius: 10px;
  box-shadow: 0px 0px 30px gainsboro;
  padding: 20px;
  text-align: center;
  margin-top: 50px;
  background-color: white;
}

.aside-title {
  margin-top: 50px;
  font-family: "Caveat", cursive;
  font-size: 25px;
  /* border-bottom: 5px solid slateblue; */
  border-top: 5px solid rgb(38, 70, 83);
  border-radius: 5px;
}

.profile-picture {
  border-style: solid;
  border-radius: 50%;
  padding: 3px;
  box-shadow: 0 0 20px gainsboro;
}

/* ---------------------------------- Closable Item ---------------------------------- */
ul,
li {
  position: relative;
}

input {
  width: 70%;
  border: none;
  background-color: rgb(255, 255, 255);
  border: 2px solid rgb(38, 70, 83);
  height: 40px;
  margin: 0;
  padding: 5px;
}

.addBtn {
  /* height: 30px; */
  width: 30%;
  padding: 6px;
  background-color: rgb(38, 70, 83);
  margin: 0;
  cursor: pointer;
  color: snow;
  height: 40px;
  border-radius: 5px;
  font-size: 10px;
}

.search-tags-list {
  list-style: none;
  margin: 30px 0;
  padding: 0;
}

.search-tags-item {
  margin: 5px;
  padding: 10px;
  background-color: rgb(38, 70, 83);
  color: snow;
  text-align: left;
}

.close {
  position: absolute;
  right: 0;
  top: 0;
  padding: 0 5px;
  color: tomato;
  font-family: "Fredoka One", cursive;
  cursor: pointer;
  font-size: 20px;
}

/* ---------------------------------- Main Contents ---------------------------------- */

.content {
  /* background-color: white; */
  margin-left: 10%;
  /* margin-right: 10px; */
  /* border-radius: 10px; */
  /* box-shadow: 0px 0px 40px gainsboro; */
  max-width: 70%;
}

article {
  max-width: 100%;
}

.article-title {
  text-align: center;
  font-size: 30px;
  margin: 50px 0 30px;
}

.project-container {
  display: flex;
  justify-content: space-around;
  /* flex-wrap: wrap; */
}

.project {
  margin: 10px 30px;
  border-bottom: 10px solid #e76f51;
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 0 10px gainsboro;
}

.project-title {
  color: #e76f51;
  font-weight: bold;
}

.video-content {
  display: block;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 0 40px gainsboro;
}

.location {
  display: flex;
}

.maps {
  /* margin-top: 50px; */
  padding: 10px;
  /* background-color: rgba(220, 220, 220, 0.13);  */
  /* box-shadow: 0 0 10px gainsboro; */
  /* display: flex;
    justify-content: center; */
}

.maps-text {
  padding: 0 3px;
}

iframe {
  padding: 10px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 0 40px gainsboro;
}

.audio {
  position: fixed;
  /* right: 0; */
}

/* ---------------------------------- Footer ---------------------------------- */
footer {
  background-color: rgb(38, 70, 83);
}

.center-footer {
  margin: 0 20px;
}

.main-footer {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 100%;
  /* padding: 0 20px; */
}

.left-footer {
  margin: 0 auto 0 40px;
}

.right-footer {
  margin: 0 40px 0 auto;
}

.info-left {
  text-align: left;
  width: 100%;
  color: rgb(224, 251, 252);
}

.info-right {
  text-align: right;
  width: 100%;
  color: rgb(224, 251, 252);
}

.info-top {
  text-align: center;
  width: 100%;
  padding-top: 5px;
  /* border-top: 1px solid white; */
  color: rgb(224, 251, 252);
}

.info-center {
  text-align: center;
  width: 100%;
  padding-top: 5px;

  border-top: 1px solid white;
  color: rgb(224, 251, 252);
}

.social-media {
  display: flex;
  justify-content: center;
}

.fa-instagram-square,
.fa-twitter-square,
.fa-facebook-square,
.fa-envelope {
  padding: 5px;
  font-size: 30px;
  color: white;
}

/* ---------------------------------- Like Dislike button ---------------------------------- */

.toggle {
  display: flex;
  justify-content: center;
  margin: 10px;
}

.btn {
  background-color: transparent;
}

.button:hover {
  cursor: pointer;
}

.green {
  color: green;
}

.red {
  color: red;
}

.contact-container {
  display: flex;
  justify-content: flex-start;
}

/* ---------------------------------- Contact Page ---------------------------------- */
.illustration-img {
  margin: 0px;
  width: 800px;
}

.contact {
  display: inline-block;
  margin: 10px 30px;
  text-align: center;
}

.profile-contact-img {
  width: 200px;
}

.form-container {
  display: flex;
  justify-content: center;
  flex-direction: column;
}

.input-container {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.icon {
  margin-right: 6px;
}

.fa-user,
.fa-map-marker-alt,
.fa-envelope-open,
.fa-comment {
  font-size: 27px;
}

.form-label {
  position: absolute;
  left: 10px;
  top: 10px;
}

.form-input {
  position: relative;
  width: 100%;
  border-bottom: 1px solid grey;
  outline: none;
  height: 48px;
  margin-bottom: 15px;
  padding: 0;
}

.input-item {
  position: absolute;
  top: 0;
  left: 0;
  border-style: none;
  outline: none;
  background-color: transparent;
  padding: 0;
  margin: 0;
  font-size: 15px;
  height: 100%;
}

.textarea-container {
  display: flex;
  justify-content: center;
}

.form-textarea {
  position: relative;
}

.textarea {
  border-style: none;
  border-bottom: 1px solid grey;
  outline: none;
  margin-top: 10px;
}

.submit {
  border-style: none;
  border-radius: 25px;
  color: aliceblue;
  background-color: rgb(38, 70, 83);
  margin: 5px;
  cursor: pointer;
}

.input-item:focus + .form-label {
  top: -5px;
  left: -2px;
  font-size: 10px;
}

.textarea:focus + .form-label {
  top: -5px;
  left: -2px;
  font-size: 10px;
}

.input-item:not(:placeholder-shown).input-item:not(:focus) + .form-label {
  top: -2px;
  left: -2px;
  font-size: 10px;
  color: rgb(138, 130, 130);
}

.textarea:not(:placeholder-shown).textarea:not(:focus) + .form-label {
  top: -2px;
  left: -2px;
  font-size: 10px;
  color: rgb(138, 130, 130);
}

/* ---------------------------------- Image Slider---------------------------------- */

.section-slider {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin-top: 30px;
}
.image-slider {
  position: relative;
  width: 640px;
  height: 426px;
  z-index: 10;
}

.slide {
  width: 100%;
  position: absolute;
  clip-path: circle(0% at 0 50%);
}

.slide img {
  width: 100%;
  border-radius: 15px;
}

.slide-text {
  position: absolute;
  bottom: 50px;
  left: 30px;
  background-color: rgba(220, 220, 220, 0.609);
  padding: 15px;
  border-radius: 10px;
}

.slide-text h2 {
  font-size: 30px;
  padding: 0;
  margin: 0;
}

.slide-text p {
  font-size: 15px;
  padding: 0;
  margin: 0;
}

.navigation {
  position: absolute;
  display: flex;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
}

.slider-btn {
  background-color: rgb(151, 151, 151);
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  margin: 0 5px;
}

.slide.active {
  clip-path: circle(150% at 0 50%);
  transition: 2s;
  transition-property: clip-path;
}

.slider-btn.active {
  background-color: rgb(38, 70, 83);
}

/* ---------------------------------- About Page ---------------------------------- */
.section-container {
  text-align: center;
  padding: 10px;
}

.section-title {
  font-size: 40px;
  margin: 30px 0 0;
}

.section-subtitle {
  font-size: 15px;
  color: gray;
  margin: 10px 0 0;
}

.about-flex-item {
  display: block;
}

.about-image {
  margin: 0;
  position: relative;
  width: 100%;
}

.blob-image {
  /* position: absolute; */
  width: 500px;
  height: auto;
  /* left: 50%; */
  transform: rotate(-90deg);
}

.blogger-image {
  /* display: block; */
  position: absolute;
  width: 200px;
  height: auto;
  left: 43%;
  top: 200px;
}

.skills-flex {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-around;
  margin-top: 50px;
}

.skill-item {
  box-shadow: 0 0 3px gainsboro;
  border-radius: 10px;
  padding: 15px;
  background-color: white;
}

.skill-item img {
  width: 200px;
  height: 180px;
}

.skill-item p {
  padding: 5px;
  box-shadow: 0 0 10px gainsboro;
  border-radius: 5px;
  background-color: rgb(243, 199, 117);
}

.activity-flex {
  display: flex;
  flex-wrap: wrap;
  margin-top: 20px;
  justify-content: center;
}

.activity-item {
  padding: 20px;
  background-color: white;
  box-shadow: 0 0 3px gainsboro;
  border-radius: 5px;
  margin: 10px;
}

.activity-item img {
  width: 350px;
  height: auto;
}

/* ---------------------------------- Project Page ---------------------------------- */
.page-title {
  padding: 10px;
  margin: 0;
}

.page-title h1 {
  text-align: center;
  padding: 0px;
}

.all-projects {
  margin: 5%;
}

.project-detail {
  margin: 50px 30px 100px;
  padding: 20px;
  border-radius: 5px;
  background-color: rgb(255, 255, 255);
  box-shadow: 2px 2px 5px grey;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.project-img {
  margin: 5px;
}

.project-img img {
  width: 350px;
  height: auto;
  border-radius: 5px;
}

.project-description {
  margin: 5px;
}

.project-description h3 {
  margin: 0 5px 5px;
  padding: 0;
  font-size: 23px;
}

.project-description p {
  margin: 20px 5px;
  padding: 0;
  line-height: 1.8;
  text-indent: 40px;
  text-align: justify;
}

p.project-link {
  text-indent: 0px;
}

.project-link a {
  color: cadetblue;
  text-decoration: underline;
  margin: 0;
  padding: 0;
}

.rocket-container {
  position: relative;
  /* margin-top: 100px; */
  /* width: 300px; */
  /* background-color: lightblue; */
}

.rocket-container img {
  position: absolute;
  width: 180px;
  top: 0;
  right: 0;
  transform: translateY(-50%);
}

/* ---------------------------------- Modal ---------------------------------- */

.modal-container {
  position: fixed;
  width: 100%;
  height: 100%;
  /* padding: 10px; */
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 0, 0, 0.137);
  /* z-index: 10; */
  visibility: hidden;
  opacity: 0;
  transition: visibility 1s, opacity 1s;
}

.show {
  visibility: visible;
  opacity: 1;
}

.modal {
  width: 600px;
  height: 500px;
  position: relative;
  background-color: white;
  padding: 35px;
  border-radius: 10px;
  text-align: center;
}

.modal h3 {
  margin: 0;
  padding: 0;
  font-size: 30px;
}

.close-modal {
  position: absolute;
  top: 10px;
  right: 20px;
  font-weight: bold;
}

.close-modal:hover {
  cursor: pointer;
}

.modal img {
  display: block;
  margin: 0 auto 0 auto;
  padding: 0;
  width: 300px;
}

/* ---------------------------------- Splash Screen ---------------------------------- */
.splash {
  position: fixed;
  width: 100%;
  height: 100%;
  background-color: cadetblue;
  z-index: 200;
  margin: 0;
  padding: 0;
  top: 0;
}

.splash h1 {
  position: absolute;
  top: 60%;
  left: 40%;
  font-size: 50px;
}

.astronaut-dabbing {
  position: absolute;
  top: 40%;
  left: 18%;
  width: 400px;
  animation: hide 0.5s 1s forwards;
}

.astronaut-takeoff {
  position: absolute;
  top: 93%;
  left: 18%;
}

.animation {
  animation: glide 3s ease-out forwards;
}

@keyframes hide {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }

  75% {
    opacity: 0.7;
  }

  100% {
    opacity: 0;
  }
}

@keyframes glide {
  50% {
    transform: scale(0.8);
  }

  100% {
    transform: translateY(-900px) scale(0.1);
    /* width: 5px; */
  }
}

/* --------------------------- Responsive Website ------------------------- */

@media (max-width: 900px) {
  * {
    font-size: 2.5vw;
    padding: 0px;
    margin: 0px;
  }

  /* --------------------------- Splash Screen ------------------------- */

  .splash h1 {
    font-size: 3vw;
  }

  .astronaut-dabbing {
    top: 56%;
    left: 18%;
    width: 200px;
  }

  .astronaut-takeoff {
    top: 96%;
    left: 7%;
  }

  /* --------------------------- Home ------------------------- */
  .header-flex {
    display: flex;
    /* justify-content: space-around; */
    padding: 3px;
  }

  .jumbotron-title {
    font-size: 4vw;
  }
  .mini-text-flex {
    justify-content: center;
    margin: 3px;
  }

  .jumbotron-text {
    text-align: center;
  }

  .mini-text {
    text-align: center;
    padding-bottom: 10px;
    margin: 10px;
  }

  .jumbotron img {
    display: none;
  }

  .wave1 {
    position: absolute;
    top: 195px;
    z-index: 2;
  }

  .wave2 {
    position: absolute;
    top: 210px;
    z-index: 3;
  }

  aside {
    display: none;
  }

  .image-slider {
    width: 50%;

    height: 240px;
  }

  .slide-text {
    left: 0;
    bottom: 0;
  }

  .slide-text h2 {
    width: 150px;
    height: auto;

    font-size: 20px;
  }

  .slide-text p {
    font-size: 10px;
  }

  .main-content {
    margin: 0;
    justify-content: center;
  }

  .content {
    margin: 10px 0;
  }

  .article-title {
    font-size: 4vw;
  }

  .project-container {
    display: block;
    margin-bottom: 20px;
  }

  .project img {
    max-width: 100%;
    max-height: 190px;
  }

  .video-content {
    max-width: 100%;
    max-height: 220px;
  }

  /* --------------------------- Project ------------------------- */
  .page-title h1 {
    font-size: 4vw;
  }
  .project-detail {
    display: block;
  }

  .project-detail img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 50%;
    max-height: 50%;
  }

  .project-description h3 {
    font-size: 2vw;
    text-align: center;
  }

  .project-description p {
    font-size: 2vw;
  }
  .rocket-container {
    display: none;
  }

  /* --------------------------- Contact ------------------------- */

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

  .illustration-img {
    display: none;
  }

  /* --------------------------- About ------------------------- */

  .section-title {
    font-size: 4vw;
  }

  .section-subtitle {
    font-size: 2vw;
  }

  .blob-image {
    max-width: 60%;
    max-height: 60%;
    transform: rotate(-90deg);
  }

  .blogger-image {
    position: absolute;
    max-width: 30%;
    max-height: 50%;
    left: 37%;
    top: 100px;
  }

  .skill-item {
    margin: 5px;
  }
}

.about-container3 {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 50px;
  background-color: #f4f4f9;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
  margin: 30px;
  padding: 150px;
}

.about-text2 {
  max-width: 700px;
  font-family: "Arial", sans-serif;
  color: #333;
  margin-top: 120px;
}

.about-text2 h2 {
  font-size: 2.5rem;
  color: #2a2a2a;
  margin-bottom: 15px;
}

.about-text2 p {
  font-size: 1.2rem;
  line-height: 1.6;
  margin-bottom: 15px;
  color: #555;
}

.about-text2 p:last-child {
  font-style: italic;
  color: #2d89e5;
}

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f9;
  margin: 0;
  padding: 0;
}

header {
  background-color: #4caf50;
  color: white;
  text-align: center;
  padding: 1.5em;
}

.container {
  max-width: 900px;
  margin: 20px auto;
  padding: 20px;
  background-color: white;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  text-align: center;
  color: #333;
}

.activity-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.activity-table th,
.activity-table td {
  padding: 12px;
  text-align: center;
  border: 1px solid #ddd;
}

.activity-table th {
  background-color: #f2f2f2;
}

.highlight {
  background-color: #f2f9fc;
}

footer {
  background-color: #333;
  color: white;
  text-align: center;
  padding: 1em;

  width: 100%;
  bottom: 0;
}