* {
  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: #070d3a;
  --second-bg-color: #21026b;
  --text-color: white;
  --main-color: #0257ac;
}
html {
  font-size: 70%;
  overflow-x: hidden;
}
body {
  background: var(--bg-color);
  color: var(--text-color);
}
/* ألوان الوضع الفاتح (Light Mode) */
body.light-mode {
  background-color: #c6d4f5;
  color: #ffffff;
}
body.light-mode .home-content h1 {
  color: #1a1a1a;
}
body.light-mode .home-content h3 span {
  color: #0257ac;
}
body.light-mode .home-content p {
  color: #340265;
}
body.light-mode .navbar a {
  color: #ece6e6;
}
body.light-mode .navbar a:hover,
body.light-mode .navbar a.active {
  color: #0257ac;
  border-bottom-color: #0257ac;
}
body.light-mode .logo {
  color: #ffffff;
}
body.light-mode .logo span {
  color: #532ea8;
  text-shadow: none;
}

body.light-mode .skills-container .skills-box {
    background: #f0f0f0;
    border-color: #ddd;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.08);
}
body.light-mode .skills-box h3 {
    color: #2c1fa0;
}
body.light-mode .skills-box p {
    color: #555;
}
body.light-mode .skills-box:hover {
    border-color: var(--main-color);
    transform: translateY(-.8rem);
    box-shadow: 0 0.8rem 1.5rem rgba(0, 0, 0, 0.15);
}

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 15px 40px;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1;
}
.mode-toggle:hover {
  background: var(--primary-color);
  color: #cba117;
}
.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);
}
.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 a.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;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 10rem;
  padding-top: 5rem;
}
.home-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  justify-content: center;
  margin-top: 10rem;
}
span {
  color: var(--main-color);
}
.logo span {
  color: var(--main-color);
}
.home-content h3 {
  margin-bottom: 2rem;
  margin-top: 1rem;
  font-size:3rem;
}
.home-content h1 {
  font-size: 4.8rem;
  font-weight: 700;
  margin-top: 1.5rem;
  line-height: 1;
}
.home-content p {
  font-size: 1.6rem;
  font-weight: 550;
  line-height: 1.4;
  max-width: 500px;
}
.text-animation {
  font-size: 20px;
  font-weight: 800;
  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;
}
@keyframes cursor {
  to {
    border-left: 2px solid var(--main-color);
  }
}
@keyframes words {
  0%, 20% {
    content: "UI/UX";
  }
  41%, 60% {
    content: "Data Analysis";
  }
  61%, 80% {
    content: "App Developer ";
  }
}
@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);
  }
}
.heading {
  font-size: 4.5rem;
  text-align: center;
  margin: 5rem 0;
}
.education {
  padding: 100px 15px;
  background: var(--second-bg-color);
}
.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);
  box-shadow: 0 0 25px var(--main-color), 0 0 50px var(--main-color);
  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: 500;
}
.timeline-content p {
  color: white;
  font-size: 16px;
  font-weight: 300;
  line-height: 22px;
}
::-webkit-scrollbar {
  width: 15px;
}
::-webkit-scrollbar-thumb {
  background-color: var(--main-color);
}
::-webkit-scrollbar-track {
  background-color: var(--bg-color);
  width: 50px;
}
.card-container {
  width: 300px;
  margin-top: 150px;
  animation: slideDown 2s ease-out forwards;
  opacity: 0;
}
@keyframes slideDown {
  from {
    transform: translateY(-150px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}
.card-ribbon {
  position: absolute;
  top: -50px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 40px;
  background-color: #e4e4fc;
  border-radius: 15px 15px 0 0;
  box-shadow: 0 -5px 15px #342be2;
}
.card {
  position: relative;
  background: linear-gradient(145deg, #a195f3, #bcd6f4);
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5),
              0 0 20px 5px #342be2;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
}
.card img {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin-bottom: 1rem;
  border: 3px solid #e3e3ea;
}
.card h1 {
  font-size: 2.8rem;
  margin: 0.5rem 0;
  color: #04073a;
}
.card p {
  font-size: 1.4rem;
  color: #f3f3fa;
  margin: 0;
}
.social-icons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-top: 15px;
}
.social-icons a {
  color: #080443;
  font-size: 3rem;
  transition: 0.3s;
}
.social-icons a:hover {
  color: #fff;
}
.mode-toggle {
  margin-left: auto;
  padding: 8px 14px;
  font-size: 25px;
  border: none;
  border-radius: 0px;
  cursor: pointer;
  background: var(--card-bg);
  color: var(--text-color);
  transition: background 0.3s, color 0.3s;
}

/* Skills Section */
.skills {
    padding: 10rem 12% 10rem;
    background: var(--second-bg-color);
}
.skills h2 {
    margin-bottom: 5rem;
    text-align: center;
    font-size: 4rem;
}
.skills-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}
.skills-container .skills-box {
    flex: 0 0 10rem;
    background: var(--bg-color);
    padding: 1.5rem;
    border-radius: 1.2rem;
    text-align: center;
    border: .2rem solid var(--bg-color);
    transition: .5s ease;
    height: 10rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.skills-container .skills-box:hover {
    border-color: var(--main-color);
    transform: translateY(-.8rem);
    box-shadow: 0 0.8rem 1.5rem rgba(0, 0, 0, 0.3);
}
.skills-box i {
    font-size: 3.5rem;
    color: var(--main-color);
    margin-bottom: 0.5rem;
}
.skills-box h3 {
    font-size: 1.4rem;
    margin-top: 0;
}


/* تنسيق زر الشهادات */
.certificates-link {
    text-align: center;
    margin-top: 3rem;
    margin-bottom: 5rem;
}
 .certificates-link .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: rgb(216, 215, 215);
  border: 2px solid transparent;
  letter-spacing: 0.1rem;
  font-weight: 600;
  transition: 0.3s ease-in-out;
  cursor: pointer;
}
 .certificates-link .btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 50px var(--main-color);
}


/* تنسيق زر الشهادات في الوضع الفاتح */
 body.light-mode .certificates-link .btn {
    background: var(--main-color);
    color: #fff;
    border-color: var(--main-color);
}

body.light-mode .certificates-link .btn:hover {
    background: transparent;
    color: var(--main-color);
} 

/* تنسيق قسم الشهادات */
/* تنسيق قسم الشهادات الجديد */
.certificates {
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.certificates-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(35rem, 1fr));
    gap: 2.5rem;
}

.certificate-card {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 0 1rem rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.certificate-card img {
    width: 100%;
    transition: .5s ease;
}

.certificate-card:hover img {
    transform: scale(1.1);
}

.certificate-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,.1), var(--main-color));
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    transform: translateY(100%);
    transition: .5s ease;
}

.certificate-card:hover .certificate-layer {
    transform: translateY(0);
}

.certificate-layer h3 {
    font-size: 2rem;
    color: rgb(4, 16, 92);
}

.certificate-layer p {
    font-size: 1.6rem;
    margin: .5rem 0 1rem;
    color: white;
}


/*Projects*/
/* Projects Tabs */
.projects .heading {
    margin-bottom: 2rem;
}
.projects-tabs {
    display: flex;
    justify-content: center;
    gap: 1.3rem;
    margin-bottom: 5rem;
    flex-wrap: wrap;
}
.projects-tabs .tab-btn {
    font-size: 1.5rem;
    padding: 1rem 2rem;
    border-radius: 2.5rem;
    background: var(--second-bg-color);
    color: var(--text-color);
    cursor: pointer;
    transition: .3s ease;
}
.projects-tabs .tab-btn:hover {
    background: var(--main-color);
    color: var(--bg-color);
}
.projects-tabs .tab-btn.active {
    background: var(--main-color);
    color: var(--bg-color);
    box-shadow: 0 0 .8rem var(--main-color);
}

/* Projects */
.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(35rem, 1fr));
    gap: 2.5rem;
}

.project-box {
    position: relative;
    border-radius: 2rem;
    box-shadow: 0 0 1rem rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}
.project-box img {
    width: 100%;
    transition: .5s ease;
}
.project-box:hover img {
    transform: scale(1.1);
}
.project-layer {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0,0,0,.1), var(--main-color));
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
    padding: 0 4rem;
    transform: translateY(100%);
    transition: .5s ease;
}
.project-box:hover .project-layer {
    transform: translateY(0);
}
.project-layer h4 {
    font-size: 3rem;
    color: white;
}
.project-layer p {
    font-size: 1.8rem;
    
    color: white;
}
.project-links {
    display: flex;
    gap: 1.5rem;
}
.project-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 4rem;
    height: 4rem;
    background: white;
    border-radius: 50%;
    transition: .3s ease;
}
.project-links a:hover {
    box-shadow: 0 0 1rem white;
}
.project-links a i {
    font-size: 2rem;
    color: var(--second-bg-color);
}

/*contact*/

.Contact {
  background-color: var(--bg-color);
}
.contact h2 {
  margin-bottom: 1rem;
  color: white;
}
.contact  form {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  margin: rem auto;
  text-align: center;
}
.contact  form .input-box {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}
.contact form .input-box input,
.contact  form textarea {
  width: 100%;
  padding: 1.8rem;
  font-size: 1.4rem;
  color: var(--text-color);
  background: var(--second-bg-color);
  border-radius: 2rem;
  border: 2px solid var(--main-color);
  margin: 1.5rem 0;
  resize: none;
}
.contact  form .btn {
  margin-top: 2rem;
}

/*footer*/
.footer {
  position: relative;
  bottom: 0;
  width: 100%;
  padding: 40px 0;
  background-color: var(--second-bg-color);
}
.footer .social {
  text-align: center;
  padding-bottom: 25px;
  color: var(--main-color);
}
.footer .social a {
  font-size: 25px;
  color: var(--main-color);
  border: 2px solid var(--main-color);
  width: 42px;
  height: 42px;
  line-height: 42px;
  display: inline-block;
  text-align: center;
  border-radius: 50%;
  margin: 0 10px;
  transition: 0.3s ease-in-out;
}
.footer .social a:hover {
  transform: scale(1.2) translateY(-10px);
  background-color: var(--main-color);
  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;
}


@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-bottom-left-radius: 2rem;
    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;
  }
  .Skills h2{
    margin-bottom: 3rem;
  }
  .Skills-container{
    grid-template-columns: repeat(1,1fr);
  }
}
.btn {
  display: inline-block;
  padding: 1rem 2.8rem;
  background: var(--main-color);
  box-shadow: 0 0 25px var(--main-color);
  border-radius: 3rem;
  font-size: 1.4rem;
  color: rgb(216, 215, 215);
  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);
}
/* -------------------------------------------------------------------------- */
/* Media Queries                                */
/* -------------------------------------------------------------------------- */

@media (max-width: 1200px) {
  html {
    font-size: 55%;
  }
  .home {
    gap: 5rem;
  }
}
@media (max-width: 991px) {
  .header {
    padding: 1.5rem 4%;
  }
  section {
    padding: 10rem 4% 10rem;
  }
  .home {
    flex-direction: column;
    padding-top: 15rem;
    gap: 3rem;
  }
  .home-content {
    align-items: center;
    text-align: center;
  }
  .card-container {
    margin-top: 0;
    margin-bottom: 2rem;
  }
  .timeline-items::before {
    left: 7px;
  }
  .timeline-item:nth-child(odd) {
    padding-right: 0;
    text-align: left;
  }
  .timeline-item:nth-child(even) {
    padding-left: 0;
  }
  .timeline-dot {
    left: 0;
  }
  /* Skills Media Query */
  .skills-container {
    max-width: 700px;
  }
  .skills-container .skills-box {
    flex: 0 0 10rem;
    height: 10rem;
  }
  .skills-box i {
    font-size: 3.5rem;
  }
  .skills-box h3 {
    font-size: 1.4rem;
  }
}
@media (max-width: 768px) {
  #menu-icon {
    display: block;
  }
  .navbar {
    position: absolute;
    top: 100%;
    right: -100%;
    width: 100%;
    height: 17rem;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    border-top: 0.2rem solid rgba(0, 0, 0, 0.2);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.1);
    transition: 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
  }
  .navbar.active {
    right: 0;
  }
  .navbar a {
    margin: 1.5rem;
  }
  .home-content h1 {
    font-size: 4.5rem;
  }
  .home-content h3 {
    font-size: 2.5rem;
  }
    /* Skills Media Query */
  .skills-container .skills-box {
    flex: 0 0 10rem;
    height: 10rem;
  }
}
@media (max-width: 450px) {
  html {
    font-size: 50%;
  }
}
@media (max-width: 480px) {
  .skills-container .skills-box {
    flex: 0 0 45%;
    height: 10rem;
  }
}
@media (max-width: 365px) {
  .text-animation {
    min-width: 200px;
  }
}