body {
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: lightgray;
}

html {
  scroll-behavior: smooth;
}

.container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 100px;
  background-color: #001f7c38;
}

.back-vid {
  position: fixed;
  right: 0;
  bottom: 0;
  z-index: -1;
  mix-blend-mode: lighten;
}

header {
  display: flex;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  background-color: rgba(255, 255, 255, 0.123);
  backdrop-filter: blur(10px);
  padding: 0 30px;
  box-shadow: 0 0 15px #72a1de8d;
  z-index: 999;
}

.left {
  display: flex;
  align-items: center;
}

.left img {
  width: 40px;
  margin: 0 15px;
}

header ul {
  display: flex;
  justify-content: space-between;
  width: 30%;
  padding: 15px 15px;
  border-radius: 50px;
  background-color: rgba(0, 0, 69, 0.3);
  backdrop-filter: blur(10px);
  box-shadow: 0 0 10px #727fde65;
}

header ul li {
  list-style: none;
}
header ul a {
  text-decoration: none;
  color: white;
  font-weight: 700;
  margin: 0 10px;
}

.box-icons {
  display: flex;
  gap: 40px;
}

.box-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  width: 30px;
  height: 30px;
  border: 2px solid #727fde;
  text-decoration: none;
  color: lightgray;
  border-radius: 50%;
  transition: 0.3s;
}

.box-icons a:hover {
  background-color: #727fde;
  color: black;
  box-shadow: 0 15px #727fde6f;
}

.blackhole-box {
  z-index: -1;
  position: absolute;
  top: 0;
  width: 100%;
  justify-content: center;
  mix-blend-mode: lighten;
}

.blackhole-box video {
  width: 100%;
  margin-top: -23.5%;
}

.hero {
  position: relative;
  display: flex;
  width: 100%;
  height: 100vh;
  align-items: center;
  justify-content: space-between;
}

.hero-info {
  position: absolute;
  left: 5%;
}

.hero-info .hero-info-title {
  color: #727fde;
  padding: 8px 5px;
  border: 1px solid #727fde77;
  width: 240px;
  background-color: #2200493d;
  box-shadow: 0 0 5pc #727fde88;
  border-radius: 50px;
}

.hero-info h1 {
  font-size: 50px;
  max-width: 600px;
  font-weight: 700;
  line-height: 70px;
  margin-top: 40px;
  margin-bottom: 30px;
}

.hero-info p {
  max-width: 550px;
  line-height: 25px;
  margin-bottom: 40px;
  font-size: 20px;
}

.hero-info button {
  color: white;
  padding: 15px 35px;
  border-radius: 10px;
  border: 2px solid #727fdeb4;
  background-color: #2200493d;
  box-shadow: 0 0 5px #727fde86;
  cursor: pointer;
  transition: 0.3s;
}

.hero-info button:hover {
  box-shadow: 0 0 15px #727fde86;
}

/* Gradient animation */
.gradient {
  background: linear-gradient(
    to right,
    #008baa,
    #7e42a7,
    #6600c5,
    #6070fd,
    #2a46ff,
    #0099ff,
    #008ead
  );
  background-size: 200%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: animate-gradient 2.5s linear infinite;
}

@keyframes animate-gradient {
  to {
    background-position: 200%;
  }
}

.hero-vid-box {
  position: absolute;
  right: 0;
}

.hero-vid-box video {
  height: 900px;
  mix-blend-mode: lighten;
}

.scroll-down {
  height: 50px;
  width: 30px;
  border: 2px solid lightgray;
  position: absolute;
  left: 48%;
  bottom: 8%;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(211, 211, 211, 0.477);
}

.scroll-down::before,
.scroll-down::after {
  content: "";
  position: absolute;
  top: 20%;
  left: 49%;
  height: 10px;
  width: 10px;
  border: 2px solid lightgray;
  transform: translate(-50%, -100%) rotate(40deg);
  border-top: transparent;
  border-left: transparent;
  animation: scroll-down 2s ease-in-out infinite;
}

.scroll-down::before {
  top: 30%;
  animation-delay: 0.5s;
}

@keyframes scroll-down {
  0% {
    opacity: 0;
  }

  30%,
  60% {
    opacity: 1;
  }
  100% {
    top: 90%;
    opacity: 0;
  }
}

.info-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 80%;
  margin-top: 100px;
}

.section-title {
  font-size: 40px;
  font-weight: 700;
}

.info-cards {
  display: grid;
  grid-template-columns: auto auto auto;
  gap: 20px;
  width: 100%;
  height: 100%;
  margin-top: 30px;
}

.card {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  width: auto;
  height: 40vh;
  overflow: hidden;
  border: 1px solid gray;
  background-color: #080020b7;
  border-radius: 20px;
  transition: 0.3s;
}

.DevOps {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0.7;
  mix-blend-mode: lighten;
  object-fit: cover;
}

.card img {
  width: 80%;
  height: 50%;
  object-fit: cover;
}

.card h1 {
  position: absolute;
  margin: 0;
  bottom: 40%;
  left: 5%;
  font-size: 25px;
  z-index: 1;
  color: lightgray;
}

.card p {
  position: absolute;
  bottom: 3%;
  left: 5%;
  z-index: 1;
  max-width: 300px;
  color: gray;
  font-size: 13px;
  line-height: 30px;
}

.card video {
  margin-top: 10%;
  width: 70%;
  height: 50%;
  object-fit: cover;
  mix-blend-mode: lighten;
}

.card button {
  color: white;
  padding: 10px 15px;
  border-radius: 10px;
  border: 2px solid #727fdeb4;
  background-color: #2200493d;
  box-shadow: 0 0 5px #727fde86;
  cursor: pointer;
  transition: 0.3s;
  position: absolute;
  bottom: 5%;
  left: 5%;
}

.card button:hover {
  box-shadow: 0 0 15px #727fde86;
  opacity: 0.7;
}

.card:hover {
  box-shadow: 0 0 15px rgba(211, 211, 211, 0.5);
}

.card:nth-child(3) {
  grid-row: span 2;
  height: 83vh;
}

.card:nth-child(3) p {
  bottom: 12%;
}

.card:nth-child(3) h1 {
  bottom: 25%;
}

.card:nth-child(4) {
  grid-column: span 2;
}

.card:nth-child(4) p {
  max-width: 650px;
}

.card:nth-child(4) h1 {
  bottom: 35%;
}

/* My Projects */

.my-projects {
  display: flex;
  flex-direction: column;
  gap: 10%;
  align-items: center;
  position: relative;
  width: 80%;
  height: 100vh;
  margin-top: 200px;
  margin-bottom: 700px;
}

.project-card {
  display: flex;
  width: 100%;
  height: 40%;
  align-items: center;
  gap: 10%;
  justify-content: center;
}

.project-vidbox {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50%;
  position: relative;
  cursor: pointer;
  min-width: 400px;
  transition: 0.5s;
  mix-blend-mode: difference;
}

.project-vidbox video {
  object-fit: cover;
  width: 100%;
  box-shadow: 0 0 10px lightgray;
  border-radius: 20px;
  transition: 0.5s;
  mix-blend-mode: exclusion;
}

.project-vidbox video:hover {
  box-shadow: 0 0 20px lightgray;
}

.project-info {
  display: flex;
  flex-direction: column;
  align-items: start;
  justify-content: center;
  width: 50%;
  padding-left: 10%;
}

.project-info h1 {
  width: 90%;
  font-size: 25px;
  font-weight: bold;
  text-wrap: nowrap;
  margin-bottom: 10px;
  margin-top: 0;
  max-width: 450px;
}

.project-info p {
  width: 90%;
  max-width: 400px;
  min-width: 300px;
  margin-bottom: 50px;
  margin-top: 0;
}

.project-info button {
  color: white;
  padding: 10px 15px;
  border-radius: 10px;
  border: 2px solid #727fdeb4;
  background-color: #2200493d;
  box-shadow: 0 0 5px #727fde86;
  cursor: pointer;
  transition: 0.3s;
}

.project-info button:hover {
  box-shadow: 0 0 15px #727fde86;
  opacity: 0.7;
}

.hover-sign {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30%;
  height: 100px;
}

.hover-sign::before,
.hover-sign::after {
  content: "👆";
  text-align: center;
  position: absolute;
  font-size: 50px;
  top: 20%;
  left: 40%;
  border-radius: 50%;
  animation: hoverAnimation 3s ease-in-out infinite;
}

@keyframes hoverAnimation {
  0% {
    box-shadow: 0 0 5px lightgray;
    transform: translate(100%, 50%) rotate(30deg);
  }

  100% {
    box-shadow: 0 0 15px lightgray;
    transform: translateX(80%, 50%) rotate(0deg);
  }
}

.hover-sign.active {
  display: none;
}

/* Skills section */

.skills-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.skills-box {
  width: 100%;
  height: 90vh;
  position: relative;
  display: flex;
  align-items: start;
  justify-content: center;
}

.skills-image {
  width: 60%;
  mix-blend-mode: lighten;
  opacity: 0.8;
}

.toolbox {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: start;
  top: 25%;
  left: 5%;
  max-width: 300px;
}

.skills-in-action {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: start;
  top: 25%;
  right: 5%;
  max-width: 300px;
}

.skills-box h1 {
  font-size: 36px;
  display: flex;
  align-items: center;
}

.skills-box p {
  line-height: 23px;
}

/* Slider */

.slider {
  position: absolute;
  bottom: 3%;
  /* right: 20%; */
  width: 50%;
  height: var(--height);
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, #000 10% 90%, transparent);
  mix-blend-mode: difference;
  opacity: 0.8;
}

.slider .list {
  display: flex;
  width: 100%;
  min-width: calc(var(--width) * var(--quantity));
  position: relative;
}

.slider .list .item {
  width: var(--width);
  height: var(--height);
  position: absolute;
  left: 100%;
  animation: autoRun 10s linear infinite;
  transition: filter 0.5s;
  animation-delay: calc(
    (10s / var(--quantity)) * (var(--position) - 1) - 10s
  ) !important;
}

.slider .list .item img {
  width: 100%;
}

@keyframes autoRun {
  from {
    left: 100%;
  }
  to {
    left: calc(var(--width) * -1);
  }
}

.slider:hover .item {
  animation-play-state: paused !important;
  filter: grayscale(1);
}

.slider .item:hover {
  filter: grayscale(0);
}

/* Contact Section */

.contact-section {
  width: 80%;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10%;
  position: relative;
}

.contact-section h1 {
  position: absolute;
  top: 7%;
  left: 40%;
}

.social-box {
  display:flex;
  flex-direction: column;
  gap: 25px;
}

.social-box a {
  color: lightgray;
  text-decoration: none;
  font-size: 20px;
  text-wrap: nowrap;
}

.social-box i {
  color: #727fde;
  font-size: 30px;
  margin-right: 10px;
}

.social-icon a i {
  color: white;
  margin-top: 40px;
}

.contact-box p {
  max-width: 400px;
  margin-top: 20px;
  margin-bottom: 5px;
}

.contact-box input,
.contact-box textarea {
  padding: 7.5px 30px;
  background-color: lightgray;
  width: 80%;
  height: 25px;
  border: none;
  outline: none;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
}

.contact-box textarea{
  min-height: 100px;
}

.contact-box button {
  margin-top: 10px;
  color: white;
  padding: 15px 35px;
  border-radius: 10px;
  border: 2px solid #727fdeb4;
  background-color: #2200493d;
  box-shadow: 0 0 5px #727fde86;
  cursor: pointer;
  transition: 0.3s;
}

.contact-box button:hover {
  box-shadow: 0 0 10px #727fde86;
  opacity: 0.7;
}

/* FOOTER */

footer {
  display: flex;
  position: absolute;
  bottom: 0;
  right: 0;
  left: 0;
  align-items: center;
  justify-content: center;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.128);
  backdrop-filter: blur(10px);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.356);
  z-index: 999;
}

footer h1 {
  font-size: 15px;
}

.menu-icon {
  font-size: 35px;
  cursor: pointer;
  display: none;
}

/* Sidebar */

.sidebar {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 70%;
  width: 0%;
  background-color: #000000b8;
  backdrop-filter: blur(10px);
  z-index: 999;
  box-shadow: 0 0 20px rgba(211, 211, 211, 0.411);
  border-bottom-left-radius: 100%;
  opacity: 0;
}

.close-icon {
  font-size: 50px;
  color: lightgray;
  padding-left: 10px;
  cursor: pointer;
}

.sidebar ul {
  padding-left: 20px;
}

.sidebar ul li {
  list-style: none;
  margin-bottom: 30px;
}

.sidebar ul li a {
  text-decoration: none;
  color: lightgray;
  font-size: 30px;
  font-weight: 700;
  text-shadow: 0 0 15px rgba(128, 128, 128, 0.256);
}

.sidebar .social-icons {
  padding-left: 20px;
  margin-top: 60px;
  text-wrap: nowrap;
}

.sidebar .social-icons a {
  font-size: 35px;
  padding: 5px 5px;
  cursor: pointer;
  color: lightgray;
}

/* Open sidebar Animation */

.sidebar.open-sidebar {
  animation: openSidebarAnimation 1.5s forwards;
}

@keyframes openSidebarAnimation {
  to {
    width: 80%;
    opacity: 1;
    bottom: 0;
    border-radius: 0;
  }
}

/* Close sidebar animation */
.sidebar.close-sidebar {
  animation: closeSidebarAnimation 1.5s forwards;
}

@keyframes closeSidebarAnimation {
  from {
    width: 80%;
    opacity: 1;
    bottom: 0;
    border-radius: 0;
  }
  to {
    width: 0;
    opacity: 0;
    bottom: 70%;
    border-bottom-left-radius: 50%;
  }
}

/* Blur effect animation */

.autoBlur {
  animation: autoBlurAnimation linear both;
  animation-timeline: view();
}

@keyframes autoBlurAnimation {
  0% {
    filter: blur(10px);
    opacity: 0;
  }
  35%,
  65% {
    filter: blur(0px);
    opacity: 1;
  }
  100% {
    filter: blur(10px);
    opacity: 0;
  }
}

/* Auto Diaplay Animation */

.autoDisplay {
  animation: autoDisplayAnimation both;
  animation-timeline: view();
}

@keyframes autoDisplayAnimation {
  from {
    filter: blur(10px);
    transform: translateY(-200px) scale(0);
    opacity: 0.2;
  }
  50% {
    opacity: 1;
    filter: blur(0px);
    transform: translateX(0) scale(1);
  }
}

/* FADEIN Animation */
.fadeInRight {
  animation: fadeInAnimation both;
  animation-timeline: view();
}

@keyframes fadeInAnimation {
  0% {
    opacity: 0;
    transform: translateX(-500px) scale(0.2);
    filter: blur(10px);
  }
  35%,
  65% {
    opacity: 1;
    transform: translateX(0px) scale(1);
    filter: blur(0px);
  }
  100% {
    filter: blur(10px);
  }
}

@media (max-aspect-ratio: 16/9) {
  .back-vid {
    width: auto;
    height: 100%;
  }
}
@media (min-aspect-ratio: 16/9) {
  .back-vid {
    width: 100%;
    height: auto;
  }
}

/* Tablet Responsive */
@media screen and (max-width: 1200px) {
  .blackhole-box video {
    margin-top: -20%;
  }

  .hero-info h1 {
    font-size: 30px;
    max-width: 370px;
    line-height: 40px;
  }

  .hero-info p {
    max-width: 300px;
  }

  .hero-vid-box {
    right: 0;
  }

  .hero-vid-box video {
    height: 500px;
  }

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

  .info-cards {
    display: flex;
    flex-direction: column;
  }

  .card:nth-child(3) {
    grid-column: span 2;
    height: 70vh;
  }
  .info-cards .card h1 {
    font-size: 20px;
  }

  .card:nth-child(3) h1 {
    bottom: 25%;
  }

  .card video {
    height: 65%;
    margin-top: 5%;
  }

  .my-projects {
    margin-bottom: 300px;
  }

  .project-vidbox video {
    width: 250px;
    margin-left: -100px;
  }

  .project-info {
    padding-left: 0;
    margin-left: -50px;
  }

  .project-info h1 {
    font-size: 20px;
    max-width: 200px;
    text-wrap: wrap;
  }

  .project-info p {
    font-size: 10px;
    text-wrap: wrap;
    max-width: 200px;
    min-width: 0;
  }

  .social-box {
    max-width: 300px;
    text-wrap: wrap;
  }

  .footer {
    font-size: 20px;
  }

  .menu-icon {
    display: inline;
  }
}

/* Mobile Responsive */

@media screen and (max-width: 700px) {
  header {
    position: fixed;
    height: 50px;
  }

  header ul {
    display: none;
  }

  header .box-icons {
    display: none;
  }

  header h1 {
    font-size: 25px;
  }

  .blackhole-box video {
    width: 100%;
    margin-top: -16%;
  }

  .hero {
    flex-direction: column;
  }

  .autoBlur {
    animation: none;
  }

  .hero-info {
    bottom: 5%;
  }

  .scroll-down {
    bottom: 5%;
  }

  .hero-info h1 {
    line-height: 50px;
  }

  .hero-vid-box {
    height: 200px;
    top: 5%;
    right: 5%;
  }
  .card video {
    width: 100%;
  }

  .my-projects {
    margin-bottom: 600px;
  }

  .project-card {
    flex-direction: column;
    margin-left: 25%;
    gap: 30px;
  }

  .project-info {
    width: 85%;
  }

  .project-info h1 {
    text-wrap: nowrap;
  }

  .project-info p {
    max-width: 300px;
  }

  .toolbox {
    top: 15%;
    left: 18%;
  }

  .skills-in-action {
    top: 50%;
    left: 18%;
  }

  .skills-box h1 {
    margin-bottom: 0;
    margin-top: 70px;
  }

  .slider {
    bottom: 0;
  }

  .slider img {
    width: 60%;
  }

  .contact-section {
    flex-direction: column;
    margin-top: 100px;
    margin-bottom: 50px;
  }

  .contact-section .section-title {
    top: -40px;
    left: 25%;
  }

  .footer h1 {
    font-size: 17px;
  }

  .project-vidbox {
    min-width: 200px;
  }

  .menu-icon {
    display: inline;
  }
}

.error {
  color: red;
  font-size: 0.9em;
  margin-top: 5px;
  display: block;
}