* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

/* <---------------------- start NAVBAR section -------------------------> */

#open-menu-btn {
    font-size: 3rem;
    background: none;
    border: none;
    cursor: pointer;
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1001;
    padding: 0.5rem;
    color: #0084ff;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

#open-menu-btn:hover {
    opacity: 0.7;
    transform: scale(1.1);
}

#open-menu-btn:active {
    transform: scale(0.9);
}

.side-menu {
    height: 100vh; 
    width: 20vw; 
    background: linear-gradient(135deg, #4056A1 0%, #C54283 60%, #F13C20 100%);
    position: fixed;
    top: 0;
    right: 0;
    z-index: 1002;
    padding: 20px;
    box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    transform: translateX(100%); 
    transition: transform 0.3s ease-in-out;
}

.close-btn {
    font-size: 5rem;
    color: white;
    background: none;
    border: none;
    cursor: pointer;
    position: absolute;
    top: 2vh;
    right: 20px;
}

.side-menu ul {
    list-style: none;
    padding: 40px 0 0 0;
    margin: 0;
}

.side-menu li {
    margin-bottom: 15px;
}

.side-menu a {
    color: white;
    text-decoration: none;
    font-size: 3rem;
}

.side-menu a:hover {
    text-decoration: underline;
}


#overlay {
    display: none; 
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5); 
    z-index: 1000; 
}

body.menu-open .side-menu {
    transform: translateX(0);
}

body.menu-open #overlay {
    display: block;
}

/* <---------------------- end NAVBAR -------------------------> */

/* <---------------------- start HERO section -------------------------> */

#bg-hero{
    background-image: url(./assets/background-hero.webp);
    background-size: cover;
    background-position: center;
    height: 100vh;
}

.hero-container {
  padding-top: 10vh;
  position: relative; 
  min-height: 90vh;
}

.hero-container-left {
  position: absolute;
  left: 10vw;
  top: 10vh; 
  width: 30vw;
  height: 80vh;
}

#me_photo{
    right: 10vw;
    width: 30vw;
    height: 80vh;
    border-radius: 2rem;
}

.hero-container-right {

  position: absolute;
  right: 10vw;
  top: 10vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  width: 30vw;
  height: 80vh;
}

#text-hero{
    font-family: Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
    font-size: 1.4rem;
}

/* <---------------------- end HERO section -------------------------> */

/* <---------------------- start PROJECTS section -----------------------> */

#bg-projects{
    background-image: url(./assets/background-projects.webp);
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column; 
    justify-content: center; 
    min-height: 90vh; 
    box-sizing: border-box; 
}

#bg-projects h1{
    text-align: center;
    margin-top: 3vh;
    color: #fff;
}

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    padding: 2rem;
    padding-top: 30vw;
}

.project-card {
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.project-card img {
    width: 100%;
    height: 200px;
    object-fit: contain;
}

#img-academiasperantei{
    padding-left: 1.5vw;
    padding-right: 1.5vw;
}

#img-itfest{
    padding-left: 1.5vw;
    padding-right: 1.5vw;
}

#img-crocoanonim{
    object-fit: cover !important;
}

#img-itp{
    object-fit: cover !important;
}

.project-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.project-info h3 {
    margin-top: 0;
    font-size: 1.4rem;
    color: #0056b3;
}

.project-info p {
    font-size: 1rem;
    line-height: 1.6;
    flex-grow: 1;
}

.btn-project {
    display: inline-block;
    background-color: #007bff;
    color: #ffffff;
    padding: 10px 15px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    margin-top: 15px;
    transition: background-color 0.3s ease;
}

.btn-project:hover {
    background-color: #0056b3;
}

/* <---------------- MODALS ----------------------> */

.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    visibility: hidden;
    opacity: 0;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal.open {
    visibility: visible;
    opacity: 1;
}

.modal-overlay {
    position: absolute;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
}

.modal-content {
    position: relative;
    z-index: 1002;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-content p{
    padding-top: 0.5rem;
}

.modal.open .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    font-size: 2rem;
    color: #888;
    cursor: pointer;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    color: #333;
}

.modal-content h2 {
    margin-top: 0;
    color: #0056b3;
}

.modal-content img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 15px;
}

/* <---------------------- end PROJECTS section -------------------------> */

/* <---------------------- start CV section -------------------------> */
.CV{
    background: linear-gradient(180deg,rgba(2, 0, 36, 1) 0%, rgba(9, 9, 121, 1) 0%, rgba(2, 0, 36, 1) 87%);
    height: 140vh;
}

#CV{
    display: block;
    margin: auto;
    width: 45%;
    padding-top: 5vh;
}

#downloadCV{

    display: flex;
    justify-content: center;
    padding-top: 1em;
    padding-bottom: 1em;
    color: #00ff80;
    background-color: rgb(0, 153, 255);
    margin-left: 43vw;
    margin-right: 43vw;
    margin-top: 3.5vh;
    border-radius: 2.5rem;

}/* <---------------------- end CV section -------------------------> */

/* <---------------------- start SOCIALS section -------------------------> */

.socials{
    height: 50vh;
    background: #000000;
}

.socials h1{
    text-align: center;
    padding-top: 12vh;
    color: #fff;
}

.socials p{
    text-align: center;
    padding-top: 5vh;
    font-size: 1.2rem;
    color: #fff;
}

.socials ul {
  display: flex;
  justify-content: center;
  padding-top: 5vh; 
}

.socials ul li {
  list-style: none;
}

.socials ul li a {
  width: 80px;
  height: 80px;
  background-color: #fff;
  text-align: center;
  line-height: 80px;
  font-size: 35px;
  margin: 0 10px;
  display: block;
  border-radius: 50%;
  position: relative;
  overflow: hidden;
  border: 3px solid #fff;
  z-index: 1;
}

.socials ul li a .icon {
  position: relative;
  color: #262626;
  transition: .5s;
  z-index: 3;
}

.socials ul li a:hover .icon {
  color: #fff;
  transform: rotateY(360deg);
}

.socials ul li a:before {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: #f00; 
  transition: .5s;
  z-index: 2;
}

.socials ul li a:hover:before {
  top: 0;
}

.socials ul li:nth-child(1) a:before {
  background: #3b5999;
}

.socials ul li:nth-child(2) a:before {
  background: radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%);
}

.socials ul li:nth-child(3) a:before {
background: #333;
}

.socials ul li:nth-child(4) a:before {
background: #e24329;
}

.socials ul li:nth-child(5) a:before {
background: #0077b5;
}

/* <---------------------- end SOCIALS section -------------------------> */

/* <---------------------- Responsiveness -------------------------> */


@media (max-width: 768px) {

  /* ---------- Navbar ---------- */
  #open-menu-btn {
    font-size: 2.2rem;
    top: 0.5rem;
    right: 0.5rem;
  }

  .side-menu {
    width: 70vw;
    padding: 15px;
  }

  .side-menu a {
    font-size: 1.8rem;
  }

  .close-btn {
    font-size: 3rem;
    top: 1rem;
    right: 10px;
  }

  /* ---------- Hero Section ---------- */
  #bg-hero {
    height: auto;
    background-position: center;
  }

  .hero-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 4rem 1rem;
  }

  .hero-container-left,
  .hero-container-right {
    position: static;
    width: 90%;
    height: auto;
    margin-bottom: 2rem;
  }

  #me_photo {
    width: 80%;
    height: auto;
    border-radius: 1rem;
  }

  #text-hero {
    font-size: 1rem;
  }

  /* ---------- Projects Section ---------- */
  #bg-projects {
    padding: 2rem 1rem;
    background-image: none;
    background-color: #0084ff91;
  }

  .projects-container {
    grid-template-columns: 1fr;
    padding-top: 10vh;
  }

  .project-card img {
    height: 180px;
  }

  .project-info h3 {
    font-size: 1.2rem;
  }

  .project-info p {
    font-size: 0.9rem;
  }

  .btn-project {
    font-size: 0.9rem;
    padding: 8px 12px;
  }

  /* ---------- Modal ---------- */
  .modal-content {
    width: 95%;
    padding: 20px;
  }

  /* ---------- CV Section ---------- */
  .CV {
    height: auto;
    padding: 4rem 0;
  }

  #CV {
    width: 90%;
  }

  #downloadCV {
    margin: 2rem auto 0 auto;
    width: 60%;
    font-size: 1rem;
    padding: 0.7rem 0;
  }

 

  /* ---------- Socials Section ---------- */
  .socials {
    height: auto;
    padding: 4rem 0;
  }

  .socials h1 {
    font-size: 1.6rem;
    padding-top: 0;
  }

  .socials p {
    font-size: 1rem;
    padding-top: 2rem;
  }

  .socials ul {
    flex-wrap: wrap;
    padding-top: 2rem;
    gap: 1rem;
  }

  .socials ul li a {
    width: 60px;
    height: 60px;
    line-height: 60px;
    font-size: 28px;
  }
}

/* <---------------------- end RESPONSIVE (Mobile) -------------------------> */