@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;700&display=swap');

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

:root {
  --bg-color: #1f242d;
  --second-bg-color: #323946;
  --main-color: #7cf03d;
  --white-color: #fff;
  --disabled-color: #fff3;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  background: var(--bg-color);
  color: var(--white-color);
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 2rem 9%;
  background: var(--bg-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 100;
  border-bottom: 1px solid var(--second-bg-color);
}

.logo {
  font-size: 3rem;
  color: var(--white-color);
  font-weight: 700;
}

nav {
  display: flex;
  align-items: center;
  transition: 0.5s;
}

nav a {
  font-size: 2rem;
  color: var(--white-color);
  font-weight: 500;
  margin-left: 3.5rem;
  transition: 0.5s;
}

nav a:hover,
nav a.active {
  color: var(--main-color);
}

#menu-icon {
  font-size: 4rem;
  color: var(--white-color);
  cursor: pointer;
  display: none;
}

/* Sections */
section {
  min-height: 100vh;
  padding: 10rem 9% 2rem;
}

/* Home */
.home {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 5rem;
  flex-wrap: wrap;
}

.home-detail h1 {
  font-size: clamp(3.5rem, 10vw, 5.5rem);
}

.home-detail h2 {
  display: inline-block;
  font-size: 3.2rem;
  margin-top: 1rem;
}

.home-detail h2 span {
  position: relative;
  display: inline-block;
  color: transparent;
  -webkit-text-stroke: 0.07rem var(--main-color);
  animation: display-text 16s linear infinite;
  animation-delay: calc(-4s * var(--i));
}

@keyframes display-text {
  25%, 100% { display: none; }
}

.home-detail h2 span::before {
  content: attr(data-text);
  position: absolute;
  width: 0;
  border-right: 0.2rem solid var(--main-color);
  color: var(--main-color);
  white-space: nowrap;
  overflow: hidden;
  animation: fill-text 4s linear infinite;
}

@keyframes fill-text {
  10%, 100% { width: 0; }
  70%, 90% { width: 100%; }
}

.home-detail p {
  font-size: 1.6rem;
  margin: 1.5rem 0 2.5rem;
  max-width: 500px;
}

.home-detail .btn-sci {
  display: flex;
  align-items: center;
}

.btn {
  display: inline-block;
  padding: 1rem 3rem;
  background: var(--main-color);
  border: 0.2rem solid var(--main-color);
  border-radius: 4rem;
  box-shadow: 0 0 1rem var(--main-color);
  font-size: 1.6rem;
  color: var(--bg-color);
  font-weight: 500;
  transition: 0.5s;
  text-decoration: none; /* enlève le soulignement du lien */
  text-align: center;
  cursor: pointer;
}

.btn:hover {
  background: transparent;
  color: var(--main-color);
  box-shadow: none;
}

.home-detail .btn-sci .sci {
  margin-left: 2rem;
}

.home-detail .btn-sci .sci a {
  display: inline-flex;
  padding: 0.8rem;
  border: 0.2rem solid var(--main-color);
  border-radius: 50%;
  font-size: 2rem;
  color: var(--main-color);
  margin: 0 0.8rem;
  transition: 0.5s;
}

.home-detail .btn-sci .sci a:hover {
  background: var(--main-color);
  color: var(--bg-color);
  box-shadow: 0 0 1rem var(--main-color);
}

/* Home Image */
.home-img .img-box {
  position: relative;
  width: 32vw;
  height: 32vw;
  border-radius: 50%;
  padding: 0.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.home-img .img-box::before,
.home-img .img-box::after {
  content: '';
  position: absolute;
  width: 50rem;
  height: 50rem;
  background: conic-gradient(transparent, transparent, transparent, var(--main-color));
  transform: rotate(0deg);
  animation: rotate-border 10s linear infinite;
}

.home-img .img-box::after { animation-delay: -5s; }

@keyframes rotate-border { 100% { transform: rotate(360deg); } }

.home-img .img-item {
  position: relative;
  width: 100%;
  height: 100%;
  background: var(--bg-color);
  border-radius: 50%;
  border: 0.01rem solid var(--bg-color);
  display: flex;
  justify-content: center;
  z-index: 1;
  overflow: hidden;
}

.home-img .img-item img {
  position: absolute;
  top: 3rem;
  display: block;
  width: 85%;
  object-fit: cover;
  mix-blend-mode: lighten;
}

/* Services */
.heading {
  font-size: 4rem;
  text-align: center;
  margin-bottom: 5rem;
}

.heading span { color: var(--main-color); }

.services-container {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.services-box {
  background: var(--second-bg-color);
  padding: 3rem;
  border-radius: 1rem;
  text-align: center;
  flex: 1 1 30rem;
  transition: 0.5s;
}

.services-box:hover {
  transform: translateY(-10px);
  box-shadow: 0 0 1rem var(--main-color);
}

.services-box i {
  font-size: 4rem;
  color: var(--main-color);
  margin-bottom: 2rem;
}

.services-box h3 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.services-box p { font-size: 1.6rem; }

/* About */
.about-container {
  max-width: 800px;
  margin: auto;
  font-size: 1.8rem;
  line-height: 1.8;
  text-align: center;
}

/* Portfolio */
.portfolio-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.portfolio-box {
  background: var(--second-bg-color);
  padding: 2rem;
  border-radius: 1rem;
  overflow: hidden;
  transition: 0.5s;
}

.portfolio-box img {
  width: 100%;
  border-radius: 0.5rem;
  transition: 0.5s;
}

.portfolio-box:hover {
  transform: scale(1.05);
  box-shadow: 0 0 1rem var(--main-color);
}

/* Contact */
.contact form {
  max-width: 700px;
  margin: auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact input,
.contact textarea {
  width: 100%;
  padding: 1.2rem;
  border-radius: 0.5rem;
  background: var(--second-bg-color);
  color: var(--white-color);
  font-size: 1.6rem;
  resize: none;
}

/* Footer */
footer {
  text-align: center;
  padding: 2rem;
  background: var(--second-bg-color);
  font-size: 1.4rem;
}

/* Modal */
.modal {
  position: fixed;
  top:0;
  left:0;
  width: 100%;
  height:100%;
  display: none;
  justify-content: center;
  align-items: center;
  background: rgba(0,0,0,0.8);
  z-index: 999;
}

.modal-content {
  position: relative;
  background: var(--second-bg-color);
  padding: 1rem;
  border-radius: 1rem;
  max-width: 80%;
  max-height: 80%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.modal-content img {
  width: 100%;
  border-radius: 0.5rem;
}

.modal-close {
  position: absolute;
  top: 0.5rem;
  right: 1rem;
  font-size: 3rem;
  color: var(--main-color);
  cursor: pointer;
}

/* Responsive */
@media (max-width: 768px) {
  #menu-icon { display: block; }

  nav {
    position: absolute;
    top: 100%;
    left: -100%;
    width: 100%;
    background: var(--second-bg-color);
    flex-direction: column;
    padding: 2rem 0;
    text-align: center;
    transition: 0.5s;
  }

  nav.active { left: 0; }

  nav a {
    display: block;
    margin: 2rem 0;
  }

  .home {
    flex-direction: column;
    gap: 3rem;
  }

  .home-img .img-box {
    width: 60vw;
    height: 60vw;
  }
}