*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

html {
  width: 100%;
  --bgr-main: rgb(30, 29, 31);
  --font-main: white;
  --font-family-main: Verdana, Geneva, Tahoma, sans-serif;
  --font-family-accent: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --font-accent-blue: rgb(127, 250, 248);
  --font-accent-purple: rgb(179, 109, 240);
  --gradient-main: rgb(78, 253, 249);
  --gradient-accent: rgb(153, 52, 243);
  --gradient-angle: 90deg;
}

body {
  font-family: var(--font-family-main);
  font-size: 1.2rem;
  font-weight: normal;
  color: var(--font-main);
  background-color: var(--bgr-main);
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: var(--font-accent-blue);
  transition: 0.2s;
  text-decoration: none;
}

nav {
  display: flex;
  height: 5rem;
  width: 100%;
  padding: 0 5rem;
  justify-content: space-between;
  align-items: center;
  font-size: 1.3rem;
  position: absolute;
  top: 0;
  left: 0;
  background: linear-gradient(var(--bgr-main) 0 0) padding-box,
    linear-gradient(90deg, var(--gradient-accent), var(--gradient-main))
      border-box;
  border-bottom: 1px solid transparent;
  z-index: 1;
}

nav a:focus,
nav a:focus-visible,
nav a:hover {
  background: linear-gradient(
        90deg,
        var(--gradient-main),
        var(--gradient-accent)
      )
      text,
    linear-gradient(var(--bgr-main) 0 0) padding-box,
    linear-gradient(90deg, var(--gradient-accent), var(--gradient-main))
      border-box;

  color: rgba(255, 255, 255, 0.438);
  text-decoration: none;
}

nav img {
  height: 4rem;
}

h1 {
  font-size: 3rem;
  font-weight: bold;
  line-height: 5rem;
}

h1 span {
  background: linear-gradient(
    90deg,
    var(--gradient-main),
    var(--gradient-accent)
  );
  background-clip: text;
  color: transparent;
}

h2 {
  position: relative;
  font-size: 2.5rem;
  font-family: var(--font-family-main);
  font-weight: bold;
  line-height: 5rem;
  text-align: center;
  z-index: 1;
}

h3 {
  font-family: var(--font-family-accent);
  font-size: 1.8rem;
  margin: 0 0 3rem 0;
  color: var(--font-accent-blue);
}

.h2-control {
  position: relative;
}

.underline {
  display: block;
  position: relative;
  right: -30px;
  top: -50px;
  margin: 0 auto;
  width: 170px;
  height: 2rem;
  background: linear-gradient(
    90deg,
    var(--gradient-accent),
    var(--gradient-main)
  );
  z-index: 0;
}

#menu {
  display: flex;
  gap: 4rem;
}

#hero {
  height: 100vh;
  width: 100%;
  position: relative;
  animation: 0.5s ease-in-out fade-in;
}

#hero div {
  margin: 2rem;
  position: absolute;
  width: max-content;
  top: 50%;
  left: 50%;
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}

.btn {
  display: inline-block;
  margin-top: 2rem;
  padding: 10px 20px;
  font-size: 1.3rem;
  background: linear-gradient(var(--bgr-main) 0 0) padding-box,
    linear-gradient(90deg, var(--gradient-main), var(--gradient-accent))
      border-box;
  border: 3px solid transparent;
  border-radius: 10px;
  text-align: center;
  transition: all 0.5s;
}

.btn span {
  cursor: pointer;
  display: inline-block;
  position: relative;
  transition: 0.5s;
}

.btn:focus,
.btn:focus-visible,
.btn:hover,
.btn:active {
  color: var(--font-accent-blue);
  padding-right: 25px;
  background: linear-gradient(var(--bgr-main) 0 0) padding-box,
    conic-gradient(
        from var(--gradient-angle),
        transparent,
        var(--gradient-main) 30%,
        var(--gradient-accent) 60%,
        transparent 90%
      )
      border-box;
}

.btn span:after {
  content: "\00bb";
  position: absolute;
  opacity: 0;
  top: 0;
  right: -20px;
  transition: 0.5s;
}
.btn:hover span {
  padding-right: 25px;
}
.btn:hover span:after {
  opacity: 1;
  right: -10px;
}

.btn:not(:disabled):not(.disabled):active {
  color: transparent;
  background: linear-gradient(
        90deg,
        var(--gradient-main),
        var(--gradient-accent)
      )
      text,
    linear-gradient(90deg, var(--gradient-main), var(--gradient-accent))
      padding-box;
}

.content {
  width: 95%;
  max-width: 1800px;
  margin: 0 auto 4rem auto;
  padding-top: 3rem;
}

#about-content {
  display: flex;
  padding: 3rem 0 3rem 0;
  gap: 3rem;
  justify-content: space-between;
  align-items: center;
}

#about-text,
#about-images {
  width: fit-content;
}

#about-text {
  justify-items: left;
  width: 50%;
}

#about-text p {
  text-align: justify;
  text-indent: 3rem;
  line-height: 3rem;
}

.ctrl-row {
  display: flex;
  gap: 40px;
  justify-content: center;
  align-items: center;
}

.hex-container {
  display: block;
  position: relative;
  height: fit-content;
}

.hexagon-outer {
  height: 120px;
  aspect-ratio: cos(30deg);
  clip-path: polygon(-50% 50%, 50% 100%, 150% 50%, 50% 0);
  background: linear-gradient(
    90deg,
    var(--gradient-main),
    var(--gradient-accent)
  );
}

.hexagon-inner {
  position: absolute;
  top: 5px;
  left: 4px;
  height: 110px;
  aspect-ratio: cos(30deg);
  clip-path: polygon(-50% 50%, 50% 100%, 150% 50%, 50% 0%);
  object-fit: cover;
  background-color: black;
}

.project-item {
  width: 100%;
  padding: 4rem 0 4rem 0;
  display: flex;
  gap: 4rem;
  align-items: center;
  justify-content: flex-end;
}

.project-item:nth-of-type(even) {
  justify-content: flex-end;
  margin-left: 0;
}

.prj-description {
  width: 40%;
  line-height: 3rem;
}

.prj-description ul {
  padding-left: 60px;
  list-style-type: circle;
}

.prj-image {
  width: 60%;
}
.prj-image img {
  width: 100%;
  object-fit: cover;
  border-radius: 6px;
}

.carousel-control-next-icon {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%4efdf9' stroke='white' viewBox='0 0 8 8'%3E%3Cpath d='M2.75 0l-1.5 1.5 2.5 2.5-2.5 2.5 1.5 1.5 4-4-4-4z'/%3E%3C/svg%3E");
}
.carousel-control-prev-icon {
  background-image: url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%4efdf9' stroke='white' viewBox='0 0 8 8'%3E%3Cpath d='M5.25 0l-4 4 4 4 1.5-1.5-2.5-2.5 2.5-2.5-1.5-1.5z'/%3E%3C/svg%3E");
}

svg {
  stroke: #fffdfd;
  stroke-width: 1px;
  stroke-linejoin: round;
}

#contacts {
  margin: 4rem auto;
  width: 30%;
  max-width: 500px;
}

#contacts p {
  margin: 2rem 0 4rem 0;
  text-align: justify;
}

#contacts img {
  display: block;
  width: 100px;
  margin: 0 auto 0 auto;
}

p#status,
p#message {
  text-align: center;
  margin: 3rem 0 2rem 0;
  font-size: 1rem;
  color: rgb(209, 241, 241);
}

p#status {
  font-weight: bold;
  font-size: 1.5rem;
  color: var(--font-accent-blue);
}

p#message.error {
  color: rgb(232, 199, 241);
}
p#status.error {
  color: var(--font-accent-purple);
}

form {
  font-size: 1rem;
}

form .form-control {
  background-color: rgb(77, 76, 76);
  transition: 0.5s;
  color: white;
}

form .form-control:focus,
form .form-control:focus-visible {
  border-color: rgba(78, 253, 249, 0.8);
  background-color: rgb(77, 76, 76);
  color: white;
}
form .form-control::placeholder {
  color: rgb(173, 171, 171);
}

#form-btn {
  display: block;
  margin: 2rem auto 0 auto;
  color: white;
}

footer {
  font-size: 0.8rem;
  color: rgb(186, 185, 185);
  text-align: center;
  padding: 1rem 0 1rem 0;
  border-top: 2px solid rgba(153, 52, 243, 0.2);
}

footer img {
  width: 50px;
  margin: 1rem;
}

.revealing-block {
  view-timeline-name: --revealing-section;
  view-timeline-axis: block;
  animation: ease-in-out fade-in;
  animation-timeline: --revealing-section;
  animation-range: -2% 20%;
}

@keyframes fade-in {
  0% {
    transform: scale(0.9, 0.9);
    opacity: 0.1;
  }
  100% {
    transform: scale(1, 1);
    opacity: 1;
  }
}

@media screen and (max-width: 1550px) {
  h1 {
    font-size: 2.7rem;
  }

  h2 {
    font-size: 2.3rem;
  }
}

@media screen and (max-width: 1300px) {
  body,
  a.btn,
  .btn {
    font-size: 1rem;
  }
  h1 {
    font-size: 2.4rem;
  }

  h2 {
    font-size: 2rem;
  }

  p,
  ul,
  #about-text p {
    line-height: 1.7rem;
  }

  .hexagon-container {
    width: 100px;
  }
  .hexagon-outer {
    height: 100px;
  }

  .hexagon-inner {
    height: 90px;
  }
  #contacts {
    width: 50%;
  }
}

@media screen and (max-width: 1000px) {
  nav {
    padding: 0 1rem;
    font-size: 1rem;
    justify-content: center;
  }

  nav div:first-child {
    display: none;
  }
  #hero div {
    width: 85%;
  }

  div#menu {
    justify-items: space-around;
  }
  .project-item:nth-of-type(odd) {
    flex-direction: column;
  }

  #about-content,
  .project-item:nth-of-type(even) {
    flex-direction: column-reverse;
  }

  .ctrl-row {
    gap: 20px;
  }

  #about-content {
    margin: 0 auto;
  }

  .prj-description,
  .prj-image {
    width: 85%;
  }

  #about-text,
  #about-images,
  #contacts {
    width: 85%;
  }

  h1 {
    font-size: 2rem;
  }

  h2,
  h3 {
    font-size: 1.6rem;
  }
}

@media screen and (max-width: 450px) {
  .ctrl-row {
    gap: 10px;
  }

  .prj-description,
  .prj-image {
    width: 90%;
  }

  h1,
  h2 {
    font-size: 1.6rem;
  }

  .prj-description,
  .prj-image,
  #about-text,
  #about-images,
  #contacts {
    width: 90%;
  }
  .hexagon-container {
    width: 80px;
  }
  .hexagon-outer {
    height: 80px;
  }

  .hexagon-inner {
    height: 70px;
  }
}