:root {
  --bleu-fonce: #0f172a;
  --bleu-moyen: #2563eb;
  --bleu-clair: #60a5fa;
  --noir: #0a0a0f;
  --blanc: #ffffff;
  --gris-clair: #e5e7eb;
}

body {
  font-family: "Segoe UI", sans-serif;
  margin: 0;
  background-color: var(--noir);
  color: var(--gris-clair);
}

.container {
  max-width: 1000px;
  margin: auto;
  padding: 20px;
}

header {
  background-color: var(--bleu-fonce);
  color: var(--blanc);
  padding: 40px 20px;
}

.header-content {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.profile-pic {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--bleu-clair);
  object-fit: cover;
}

header nav a {
  margin: 0 10px;
  color: var(--bleu-clair);
  text-decoration: none;
}

section {
  padding: 60px 20px;
  background-color: var(--bleu-fonce);
  margin-bottom: 20px;
  border-left: 10px solid var(--bleu-clair);
  border-radius: 8px;
}

h2 {
  color: var(--bleu-clair);
}

.project-card {
  position: relative;
  height: 250px;
  border-radius: 12px;
  background-size: cover;
  background-position: center;
  overflow: hidden;
  transform-style: preserve-3d;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.project-card:hover {
  transform: rotateY(8deg) rotateX(8deg) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
}

.overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.8); /* bleu foncé transparent */
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  opacity: 0;
  transition: opacity 0.4s ease;
  text-align: center;
  padding: 20px;
}

.project-card:hover .overlay {
  opacity: 1;
}

.overlay h3 {
  color: var(--bleu-clair);
  margin-bottom: 10px;
}

.overlay p {
  color: #ddd;
  font-size: 14px;
  margin-bottom: 15px;
}

.demo-btn {
  padding: 10px 16px;
  border-radius: 6px;
  background: var(--bleu-moyen);
  color: white;
  text-decoration: none;
  font-weight: bold;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s ease;
}

.project-card:hover .demo-btn {
  transform: translateY(0);
  opacity: 1;
}

.demo-btn:hover {
  background: var(--bleu-clair);
  color: #0a0a0f;
}

.skills {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
}

.skills li {
  background: var(--bleu-moyen);
  padding: 10px 15px;
  margin: 5px;
  border-radius: 5px;
  color: var(--blanc);
}

form input,
form textarea {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #444;
  border-radius: 5px;
  background: #1a1a2e;
  color: var(--blanc);
}

form button {
  background-color: var(--bleu-moyen);
  color: var(--blanc);
  padding: 10px 20px;
  border: none;
  cursor: pointer;
  border-radius: 6px;
}

form button:hover {
  background-color: var(--bleu-clair);
  color: var(--noir);
}

footer {
  background-color: var(--bleu-fonce);
  color: var(--gris-clair);
  text-align: center;
  padding: 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.tech-icons {
  margin: 20px auto 25px auto;
  display: flex;
  justify-content: center;
  gap: 20px;
  align-items: center;
  flex-wrap: wrap;
}

.tech-icons img {
  height: 55px;
  width: auto;
  transition: transform 0.3s ease;
  cursor: default;
  margin-bottom: 10px;
}

.tech-icons img:hover {
  transform: scale(1.15);
}

.contact-icons {
  margin-top: 20px;
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.contact-icons a img {
  height: 45px;
  width: 45px;
  transition: transform 0.3s ease;
}

.contact-icons a:hover img {
  transform: scale(1.2);
}

/* ✅ Responsive déjà gardé */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    align-items: center;
  }

  header nav a {
    display: block;
    margin: 5px 0;
  }

  .skills li {
    display: inline-block;
    background: var(--bleu-moyen);
    color: white;
    padding: 8px 14px;
    margin: 5px;
    border-radius: 20px;
    font-size: 14px;
  }
}
.cv-button {
  display: inline-block;
  background-color: var(--bleu-moyen);
  color: white;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
  margin-top: 15px;
}

.cv-button:hover {
  background-color: var(--bleu-clair);
  color: var(--noir);
}