* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  border: none;
  outline: none;
  scroll-behavior: smooth;
  font-family: "Poppins", sans-serif;
}

:root {
  --bg-color: #080808;
  --seciund-bg-color: #131313;
  --text-color: white;
  --main-color: #17514e;
  --main-color-light: #10aca4;
}

html {
  font-size: 75%;
  overflow-x: hidden;
}
body {
  background: var(--bg-color);
  color: var(--text-color);
}
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 4rem 12% 4rem;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
}
.logo {
  font-size: 3rem;
  color: var(--text-color);
  font-weight: 800;
  cursor: pointer;
  transition: 0.3s ease;
}

.logo:hover {
  transform: scale(1.1);
}
.logo span {
  text-shadow: 0 0 25px var(--main-color);
  color: var(--main-color);
  font-size: 40px;
}
.navbar a {
  font-size: 1.8rem;
  color: var(--text-color);
  margin-left: 4rem;
  font-weight: 500;
  transition: 0.3s ease;
  border-bottom: 3px solid transparent;
}
.navbar a:hover,
.navbar .active {
  color: var(--main-color);
  border-bottom: 3px solid var(--main-color);
}
#menu-icon {
  font-size: 3.6rem;
  color: var(--main-color);
  display: none;
}
section {
  min-height: 100vh;
  padding: 10rem 12% 10rem;
}
.home {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 15rem;
}
.home-content {
  display: flex;
  flex-direction: column;
  align-items: baseline;
  text-align: left;
  justify-content: center;
  margin-top: 3rem;
}
span {
  color: var(--main-color);
}
.home-content h3 {
  margin-bottom: 2rem;
  margin-top: 1rem;
  font-size: 3.5rem;
}
.home-content h1 {
  font-size: 7rem;
  font-weight: 700;
  margin-top: 1.5rem;
  line-height: 1;
}
.home-img {
  border-radius: 50%;
}
.home-img img {
  position: relative;
  top: 3rem;
  width: 32vw;
  border-radius: 50%;
  box-shadow: 0 0 25px var(--main-color);
  cursor: pointer;
  transition: 0.45s ease-in-out;
}
.home-img img:hover {
  box-shadow: 0 0 25px var(--main-color), 0 0 50px var(--main-color),
    0 0 100px var(--main-color);
}
.home-content p {
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.8;
  max-width: 1000px;
}
.social-icons a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 4.5rem;
  height: 4.5rem;
  background: transparent;
  border: 2px solid var(--main-color);
  font-size: 2.5rem;
  border-radius: 50%;
  color: var(--main-color);
  margin: 3rem 1.5rem 3rem 0;
  transition: 0.3s ease-in-out;
}
.social-icons a:hover {
  color: var(--text-color);
  transform: scale(1.3) translateY(-5px);
  box-shadow: 0 0 25px var(--main-color);
  background-color: var(--main-color);
}
.btn {
  display: inline-block;
  padding: 1rem 2.8rem;
  background: var(--main-color);
  box-shadow: 0 0 25px var(--main-color);
  border-radius: 4rem;
  font-size: 1.6rem;
  color: black;
  border: 2px solid transparent;
  letter-spacing: 0.1rem;
  font-weight: 600;
  transition: 0.3s ease-in-out;
  cursor: pointer;
}
.btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 50px var(--main-color);
}
.btn-group {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.btn-group a:nth-of-type(2) {
  background-color: black;
  color: var(--main-color);
  border: 2px solid var(--main-color);
  box-shadow: 0 0 25px transparent;
}

.btn-group a:nth-of-type(2):hover {
  box-shadow: 0 0 25px var(--main-color);
}
.text-animation {
  font-size: 34px;
  font-weight: 600;
  min-width: 280px;
}
.text-animation span {
  position: relative;
}
.text-animation span::before {
  content: "Web Developer";
  color: var(--main-color);
  animation: words 20s infinite;
}
.text-animation span::after {
  content: "";
  background-color: var(--bg-color);
  position: absolute;
  width: calc(100% + 8px);
  height: 100%;
  border-left: 3px solid var(--bg-color);
  right: -8px;
  animation: cursor 0.6s infinite, typing 20s steps(14) infinite;
}
.heading {
  font-size: 8rem;
  text-align: center;
  margin: 5rem 0;
}
.education {
  padding: 100px 15px;
}
.education h2 {
  margin-bottom: 5rem;
}
.timeline-items {
  max-width: 1200px;
  margin: auto;
  display: flex;
  flex-wrap: wrap;
  position: relative;
}
.timeline-items::before {
  content: "";
  position: absolute;
  width: 5px;
  height: 100%;
  background-color: var(--main-color);
  left: calc(50% - 1px);
}
.timeline-item {
  margin-bottom: 40px;
  width: 100%;
  position: relative;
}
.timeline-item:last-child {
  margin-bottom: 0;
}
.timeline-item:nth-child(odd) {
  padding-right: calc(50% + 30px);
  text-align: right;
}
.timeline-item:nth-child(even) {
  padding-left: calc(50% + 30px);
}
.timeline-dot {
  height: 21px;
  width: 21px;
  background-color: var(--main-color-light);
  box-shadow: 0 0 25px var(--main-color-light), 0 0 50px var(--main-color-light);
  position: absolute;
  left: calc(50% - 8px);
  border-radius: 50%;
  top: 10px;
}
.timeline-date {
  font-size: 20px;
  font-weight: 800;
  color: white;
  margin: 6px 0 15px;
}

.timeline-content {
  background-color: var(--bg-color);
  border: 3px solid var(--main-color);
  padding: 30px 50px;
  border-radius: 4rem;
  box-shadow: 0 0 10px var(--main-color);
  cursor: pointer;
  transition: 0.3s ease-in-out;
}
.timeline-content:hover {
  transform: scale(1.05);
  box-shadow: 0 0 25px var(--main-color);
}
.timeline-content h3 {
  font-size: 20px;
  color: white;
  margin: 0 0 10px;
  font-weight: 600;
}
.timeline-content p {
  color: white;
  font-size: 15px;
  font-weight: 300;
  line-height: 22px;
}
.skills {
  padding: 100px 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.skills-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  align-content: center;
  gap: 50px;
}
.skills-content a {
  font-size: 100px;
  align-items: center;
  align-content: center;
  border: 4px solid var(--main-color);
  color: var(--main-color-light);
  border-radius: 20px;
  padding: 50px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  transition: 0.3s ease-in-out;
}

.skills-content a:hover {
  color: var(--text-color);
  transform: scale(1.08) translateY(-5px);
  box-shadow: 0 0 25px var(--main-color-light);
}
.skills-content a h3 {
  font-size: 20px;
  color: white;
}
.portfolio-items {
  display: flex;
  flex-wrap: wrap;
  grid-row: 3;
  gap: 30px;
}
 /* Dein bestehendes CSS */
 .portfolio-items {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}
.portfolio-item {
  flex: calc(25% - 30px);
  display: flex;
  flex-direction: column;
  border: 1px solid var(--main-color);
  padding: 15px;
  border-radius: 10%;
  gap: 1.5rem;
  transition: 0.3s ease-in-out;
  align-items:center;
  cursor: pointer;
  max-width: 300px;
  justify-content: space-between;
}
.portfolio-item:hover {
  color: var(--text-color);
  transform: scale(1.08) translateY(-5px);
  box-shadow: 0 0 25px var(--main-color-light);
}
.portfolio-item img {
  width: 100%;
  border-radius: 10%;
}
.portfolio-item-icons i {
  font-size: 30px;
  color: var(--main-color-light);
}
.portfolio-item h3 {
  font-size: 20px;
  font-weight: 500;
  align-self: center;
}
.portfolio-item-btn {
  display:flex;
  gap: 10px;
}
.portfolio-item-btn a {
  font-size: 15px;
  border: 1px solid var(--main-color);
  padding: 6px;
  border-radius: 20%;
  color: white;
  transition: 0.3s ease-in-out;
}
.portfolio-item-btn a:hover {
  color: var(--main-color-light);
  transform: scale(1.08) translateY(-5px);
}

.footer {
  position: relative;
  bottom: 0;
  width: 100%;
  padding: 40px 0;
  background-color: var(--seciund-bg-color);
}
.footer .social {
  text-align: center;
  padding-bottom: 25px;
  color: var(--main-color-light);
}
.footer .social a {
  font-size: 25px;
  color: var(--main-color-light);
  border: 2px solid var(--main-color);
  width: 42px;
  height: 42px;
  line-height: 42px;
  display: inline-block;
  text-align: center;
  border-radius: 50%;
  margin: 0 5px;
  transition: 0.3s ease-in-out;
}

.footer .social a:hover {
  transform: scale(1.2) translateY(-10px);
  background-color: var(--main-color-light);
  color: black;
  box-shadow: 0 0 25px var(--main-color);
}
.footer ul {
  margin-top: 0;
  padding: 0;
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 0;
  text-align: center;
}
.footer ul li a {
  color: white;
  border-bottom: 3px solid transparent;
  transition: 0.3s ease-in-out;
}
.footer ul li a:hover {
  border-bottom: 3px solid var(--main-color);
}
.footer ul li {
  display: inline-block;
  padding: 0 15px;
}
.footer .copyright {
  margin-top: 50px;
  text-align: center;
  font-size: 16px;
  color: white;
}

::-webkit-scrollbar {
  width: 15px;
}
::-webkit-scrollbar-thumb {
  background-color: var(--main-color);
}
::-webkit-scrollbar-track {
  background-color: var(--bg-color);
  width: 50px;
}

@keyframes cursor {
  to {
    border-left: 2px solid var(--main-color);
  }
}
@keyframes words {
  0%,
  32% {
    content: "Android Developer";
  }
  33%,
  65% {
    content: "iOS Developer";
  }
  66%,
  100% {
    content: "UI/ UX Designer";
  }
}
@keyframes typing {
  10%,
  15%,
  30%,
  35%,
  50%,
  55%,
  70%,
  75%,
  90%,
  95% {
    width: 0;
  }
  5%,
  20%,
  25%,
  40%,
  45%,
  60%,
  65%,
  80%,
  85% {
    width: calc(100% + 8px);
  }
}

@media (max-width: 128px) {
  html {
    font-size: 55%;
  }
  .service-container {
    padding-bottom: 7rem;
    grid-template-columns: repeat(2, 1fr);
    margin: 0 5rem;
  }
}
@media (max-width: 991px) {
  header {
    padding: 2rem 3%;
  }
  section {
    padding: 10rem 3% 2rem;
  }
  .timeline-items::before {
    left: 7px;
  }
  .timeline-item:nth-child(odd) {
    padding-right: 0;
    text-align: left;
  }
  .timeline-item:nth-child(odd),
  .timeline-item:nth-child(even) {
    padding-left: 37px;
  }
  .timeline-dot {
    left: 0;
  }
  .portfolio-item {
    flex: calc(50% - 30px);
  }
  .footer {
    padding: 2rem 3%;
  }
}
@media (max-width: 895px) {
  #menu-icon {
    display: block;
  }
  .navbar {
    position: absolute;
    top: 100%;
    right: 0;
    width: 50%;
    padding: 1rem 3%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-left: 2px solid var(--main-color);
    border-bottom: 2px solid var(--main-color);
    display: none;
  }
  .navbar.active {
    display: block;
  }
  .navbar a {
    display: block;
    font-size: 2rem;
    margin: 3rem 0;
    color: white;
  }
  .home {
    flex-direction: column-reverse;
    margin: 5rem 4rem;
  }
  .home-content h3 {
    font-size: 2.6rem;
  }
  .home-content h1 {
    font-size: 8rem;
    margin-top: 3rem;
  }
  .home-content p {
    max-width: 600px;
    margin: 0 auto;
  }
  .home-img img {
    width: 56vw;
  }
  .education h2 {
    font-size: 4.5rem;
  }

  .skills-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
  }
}

.popup {
  display: none;
  position: fixed;
  z-index: 1;
  padding-top: 60px;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0, 0, 0);
  background-color: rgba(0, 0, 0, 0.9);
  margin-top: 120px;
}

.popup-content {
  position: relative;
  margin: auto;
  display: block;
  width: 50%;
  max-width: 400px; /* Smaller width */
}

#popup-image {
  width: 100%;
  height: auto;
}

.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  padding: 16px;
  margin-top: -22px;
  color: white;
  font-weight: bold;
  font-size: 20px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
  user-select: none;
}

.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

.prev:hover, .next:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

#caption {
  margin: auto;
  display: block;
  width: 80%;
  max-width: 300px; /* Smaller width */
  text-align: center;
  color: #ccc;
  padding: 10px 0;
  height: 50px; /* Smaller height */
}

.close {
  position: absolute;
  top: 15px;
  right: 35px;
  color: #f1f1f1;
  font-size: 40px;
  font-weight: bold;
  transition: 0.3s;
}

.close:hover,
.close:focus {
  color: #bbb;
  text-decoration: none;
  cursor: pointer;
}