* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;

  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
}

body {
  background: #0b0b12;
  color: white;
  overflow-x: hidden;
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 10;

  display: flex;
  justify-content: space-between;
  align-items: center;

  padding: 22px 80px;
  background: rgba(11, 11, 18, 0.8);
  backdrop-filter: blur(14px);
}

.logo {
  font-size: 28px;
  font-weight: 800;
}

.logo-main {
  color: white;
}

.logo-accent {
  color: #7c7cff;
  text-shadow: 0 0 14px #7c7cff;
}

.nav {
  display: flex;
  gap: 40px;
}

.nav-item {
  position: relative;
  text-decoration: none;
  font-size: 14px;
  color: #cfcfe8;
  transition: color 0.2s ease;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  background: #7c7cff;
  box-shadow: 0 0 8px #7c7cff;
  transition: width 0.3s ease;
}

.nav-item:hover {
  color: white;
}

.nav-item:hover::after,
.nav-item.active::after {
  width: 100%;
}

.nav-item.active {
  color: #7c7cff;
}

.lang-btn {
  border: 1px solid #7c7cff;
  background: transparent;
  color: #7c7cff;

  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;

  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease;
}

.lang-btn.animate {
  transform: scale(1.15);
  background: #7c7cff;
  color: #0b0b12;
  box-shadow: 0 0 25px #7c7cff;
}

.header-divider {
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent,
    #7c7cff,
    white,
    #7c7cff,
    transparent
  );
  box-shadow: 0 0 10px #7c7cff;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 460px;
  align-items: center;
  gap: 80px;
}


.hero-left {
  max-width: 520px;
}

.hero-left h1 {
  font-size: 44px;
  margin-bottom: 30px;
}

.hero-left h1 span {
  color: #7c7cff;
}

.hero-left p {
  color: #cfcfe8;
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.socials {
  display: flex;
  gap: 28px;
}

.socials a {
  font-size: 30px;
  color: #7c7cff;
  transition: transform 0.3s ease, text-shadow 0.3s ease;
}

.socials a:hover {
  transform: translateY(-6px);
  text-shadow: 0 0 20px #7c7cff;
}



.network {
  position: relative;
  width: 460px;
  height: 460px;

  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit {
  position: absolute;
  inset: 0;
  margin: auto;

  border-radius: 50%;
  border: 1px solid rgba(124,124,255,0.25);
  animation: rotate 20s linear infinite;
}

.orbit-small {
  width: 65%;
  height: 65%;
  animation-duration: 12s;
}

.center {
  position: absolute;
  inset: 0;
  margin: auto;

  width: 150px;
  height: 150px;
  border-radius: 50%;

  background: #7c7cff;
  color: #0b0b12;
  font-size: 48px;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow:
    0 0 50px rgba(124,124,255,0.9),
    0 0 90px rgba(124,124,255,0.4);
}

.node {
  position: absolute;
  width: 54px;
  height: 54px;
  border-radius: 50%;

  background: #0b0b12;
  border: 2px solid currentColor;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 22px;
  box-shadow: 0 0 18px currentColor;
}

.blue   { color: #7c7cff; }
.green  { color: #3cff9e; }
.orange { color: #ff9f43; }
.red    { color: #ff5c5c; }

@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.section {
  min-height: 100vh;
  padding: 140px 80px;
}

@media (max-width: 900px) {
  .hero {
    flex-direction: column;
    gap: 80px;
    padding: 120px 40px;
  }
}

/* ================= Parcours scolaire ================= */

.timeline-container {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 50px;
  padding: 0 40px;
  overflow-x: auto;
}
#education h2 {
  text-align: center;
  width: 100%;
}

.timeline-line {
  position: absolute;
  top: 50%;
  left: 5%;
  height: 4px;
  background: #5d5cff;
  transform: translateY(-50%);
  z-index: 1;
  width: 0;
  transition: width 1.4s ease-out;
}

.timeline-item {
  position: relative;
  text-align: center;
  padding: 10px;
  opacity: 0;
  transform: translateY(50px) scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
  z-index: 2;
}

.card {
  background: #111;
  border: 2px solid #5d5cff;
  padding: 15px;
  border-radius: 8px;
  width: 220px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.6);
  transition: transform 0.3s ease, background 0.3s ease;
}

.card:hover {
  transform: scale(1.07);
  background: #1a1a2e;
}

.date {
  font-weight: bold;
  font-size: 1.1rem;
  display: block;
  margin-bottom: 6px;
  color: #fff;
}

.degree {
  font-size: 1rem;
  color: #e1e1e1;
  margin-bottom: 4px;
}

.school {
  font-size: 0.9rem;
  color: #ccc;
}

.arrow-end {
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.arrow {
  font-size: 2.4rem;
  color: #5d5cff;
  animation: pulse 1.8s infinite ease-in-out;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.titles-center {
  text-align: center;
  width: 100%;
  margin-bottom: 50px;
}

.big-title {
  font-size: 2.4rem;
  font-weight: 700;
  color: #5d5cff;
  margin: 0 auto;
}

.subtitle {
  font-size: 1.1rem;
  color: #ccc;
  font-style: italic;
  margin-top: 6px;
}

@media screen and (max-width: 768px) {
  .timeline-container {
    flex-direction: column;
    padding: 20px;
  }
  .timeline-line {
    left: 50%;
    top: 0;
    height: 0;
    width: 4px;
  }
}


/* ================= CONTACT ================= */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start; /* 🔑 LA CLÉ */
}
.contact-section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.contact-title {
  font-size: 36px;
  margin-bottom: 60px;
  color: #7c7cff;
  text-shadow: 0 0 18px #7c7cff;
}

.contact-container {
  max-width: 1100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
}

.contact-left input,
.contact-right textarea {
  width: 100%;
  padding: 16px 18px;
  background: #0b0b12;
  border: 1px solid rgba(124,124,255,0.4);
  border-radius: 12px;
  color: white;
  font-size: 15px;
}

.contact-left input {
  margin-bottom: 22px;
}

.contact-left input:focus,
.contact-right textarea:focus {
  outline: none;
  border-color: #7c7cff;
  box-shadow: 0 0 18px rgba(124,124,255,0.6);
}

.contact-right textarea {
  min-height: 260px;
  resize: none;
}

.contact-btn {
  margin-top: 24px;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;

  background: #7c7cff;
  color: #0b0b12;
  font-weight: 700;

  align-self: flex-end;
  transition: 0.2s ease;
}

.contact-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 40px rgba(124,124,255,1);
}

.contact-info {
  margin-top: 30px;
  padding: 22px;
  border-radius: 14px;
  border: 1px solid rgba(124,124,255,0.35);
  background: rgba(124,124,255,0.05);
}

.contact-links {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-line {
  display: flex;
  gap: 10px;
  font-size: 14px;
}

.contact-label {
  min-width: 70px;
  color: #7c7cff;
  font-weight: 600;
}

.contact-line a {
  color: white;
  text-decoration: none;
}

.contact-line a:hover {
  text-shadow: 0 0 12px #7c7cff;
}

.projects-section {
  padding: 80px 6%;
}

.projects-title {
  font-size: 28px;
  margin-bottom: 40px;
  color: white;
}

.projects-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}

.project-link {
  text-decoration: none;
  color: inherit;
}

.project-card {
  background: #0b0f1a;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(120,130,255,0.25);
  box-shadow: 0 20px 40px rgba(0,0,0,0.45);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.project-header {
  padding: 16px 18px;
}

.header-1 {
  background: linear-gradient(90deg, #4f7cff, #6a5cff);
}
.header-2 {
  background: linear-gradient(90deg, #7b5cff, #ff5ccf);
}
.header-3 {
  background: linear-gradient(90deg, #ff8a3d, #ff4d7e);
}

.project-header h3 {
  color: white;
  font-size: 17px;
  margin-bottom: 10px;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tags span {
  font-size: 11px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.35);
  color: white;
}

.project-body {
  padding: 18px;
}

.project-body p {
  font-size: 14px;
  line-height: 1.6;
  color: #cfd2ff;
  margin-bottom: 14px;
}

.project-hint {
  font-size: 12px;
  color: #9aa0ff;
  opacity: 0.75;
}

    .tech {
      padding: 0.5rem 1rem;
      background: rgba(255,255,255,0.08);
      border-radius: 999px;
      font-size: 0.875rem;
      transition: 0.2s;
    }
    .tech:hover {
      background: rgba(255,255,255,0.18);
    }

        body {
      background: radial-gradient(circle at top, #1a1a2e, #0b0b14);
    }


.resume-section {
  background: radial-gradient(circle at top, #0f1020, #070712);
  padding: 120px 20px;
  color: white;
  font-family: 'Poppins', sans-serif;
  text-align: center;
}

.resume-title {
  font-size: 42px;
  letter-spacing: 3px;
  color: #7c7cff;
  text-shadow: 0 0 20px rgba(124,124,255,0.8);
}

.resume-subtitle {
  color: #aaa;
  margin-top: 10px;
  margin-bottom: 80px;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: auto;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: linear-gradient(to bottom, transparent, #7c7cff, transparent);
  box-shadow: 0 0 15px #7c7cff;
  transform: translateX(-50%);
}

.timeline-item {
  position: relative;
  width: 50%;
  padding: 30px 40px;
  box-sizing: border-box;
  opacity: 0;
  transform: translateY(50px);
  animation: fadeUp 1s ease forwards;
}

.timeline-item.left {
  left: 0;
  text-align: right;
}

.timeline-item.right {
  left: 50%;
  text-align: left;
}

.timeline-item:nth-child(1) { animation-delay: 0.3s; }
.timeline-item:nth-child(2) { animation-delay: 0.6s; }

.date {
  display: inline-block;
  font-size: 13px;
  color: #7c7cff;
  margin-bottom: 10px;
}

.content {
  background: rgba(15, 16, 35, 0.9);
  border: 1px solid rgba(124,124,255,0.4);
  padding: 25px;
  border-radius: 14px;
  box-shadow: 0 0 25px rgba(124,124,255,0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.content:hover {
  transform: translateY(-6px);
  box-shadow: 0 0 35px rgba(124,124,255,0.35);
}

.content h3 {
  margin: 0;
  font-size: 20px;
  color: #ffffff;
}

.place {
  color: #7c7cff;
  font-size: 14px;
  margin: 8px 0;
}

.desc {
  font-size: 14px;
  color: #ccc;
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item {
    width: 100%;
    padding-left: 60px;
    padding-right: 20px;
    text-align: left;
    left: 0;
  }
}

.timeline::after {
  content: '';
  position: absolute;
  bottom: -25px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 16px;
  height: 16px;
  border-right: 3px solid #7c7cff;
  border-bottom: 3px solid #7c7cff;
  box-shadow: 0 0 15px rgba(124,124,255,0.8);
  animation: arrowPulse 1.5s infinite ease-in-out;
}

@keyframes arrowPulse {
  0% {
    opacity: 0.4;
    transform: translateX(-50%) rotate(45deg) scale(1);
  }
  50% {
    opacity: 1;
    transform: translateX(-50%) rotate(45deg) scale(1.2);
  }
  100% {
    opacity: 0.4;
    transform: translateX(-50%) rotate(45deg) scale(1);
  }
}


/* ================= CONTACT ================= */

.contact-section {
  padding: 100px 20px;
  background: radial-gradient(circle at top, #0f1020, #070712);
  color: white;
  font-family: 'Poppins', sans-serif;
}

.contact-title {
  text-align: center;
  font-size: 34px;
  margin-bottom: 60px;
  color: #7c7cff;
  text-shadow: 0 0 18px rgba(124,124,255,0.8);
}

.contact-container {
  max-width: 1100px;
  margin: auto;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
  align-items: flex-start; /* clé pour éviter l’étirement */
}

.contact-info {
  background: linear-gradient(180deg, #0d0f1e, #0a0b16);
  border-radius: 18px;
  border: 1px solid rgba(124,124,255,0.35);
  padding: 22px;
  box-shadow: 0 0 20px rgba(124,124,255,0.12);
  height: auto;
}

.contact-info h3 {
  font-size: 18px;
  margin-bottom: 10px;
}

.contact-text {
  font-size: 13px;
  color: #cfcfcf;
  margin-bottom: 16px;
  line-height: 1.5;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list li {
  font-size: 13px;
  margin-bottom: 8px;
}

.contact-list a {
  color: #7c7cff;
  text-decoration: none;
}

.contact-list a:hover {
  text-decoration: underline;
  text-shadow: 0 0 8px rgba(124,124,255,0.8);
}

.contact-form {
  background: linear-gradient(180deg, #0d0f1e, #0a0b16);
  border-radius: 18px;
  border: 1px solid rgba(124,124,255,0.35);
  padding: 28px;
  box-shadow: 0 0 25px rgba(124,124,255,0.15);
}

.contact-form h3 {
  margin-bottom: 18px;
  font-size: 18px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 14px;
  padding: 13px 15px;
  background: #0b0b12;
  border: 1px solid rgba(124,124,255,0.35);
  border-radius: 12px;
  color: white;
  font-size: 14px;
}

.contact-form textarea {
  resize: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #7c7cff;
  box-shadow: 0 0 15px rgba(124,124,255,0.6);
}

.contact-form button {
  margin-top: 8px;
  padding: 13px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(90deg, #7c7cff, #5d5cff);
  color: white;
  font-size: 14px;
  cursor: pointer;
  transition: 0.3s;
}

.contact-form button:hover {
  box-shadow: 0 0 25px rgba(124,124,255,0.9);
  transform: translateY(-2px);
}

@media (max-width: 900px) {
  .contact-container {
    grid-template-columns: 1fr;
  }
}







/* ===== Skills Section ===== */
.skills-section {
  margin: 80px auto;
  max-width: 900px;
  text-align: center;
}

.skills-nav {
  display: inline-flex;
  gap: 14px;
  padding: 8px;
  background: #0b0b12;
  border-radius: 30px;
  border: 1px solid rgba(124,124,255,0.3);
  margin-bottom: 40px;
}

.skill-tab {
  padding: 10px 22px;
  background: transparent;
  border: none;
  border-radius: 25px;
  color: #aaa;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.skill-tab:hover {
  color: white;
}

.skill-tab.active {
  background: #7c7cff;
  color: #000;
  box-shadow: 0 0 15px rgba(124,124,255,0.7);
}

.skills-content {
  background: #0b0b12;
  border: 1px solid rgba(124,124,255,0.25);
  border-radius: 16px;
  padding: 30px;
}

.skill-panel {
  display: none;
  animation: fadeSlide 0.4s ease;
}

.skill-panel.active {
  display: block;
}

.skill-panel ul {
  list-style: none;
  padding: 0;
}

.skill-panel li {
  margin: 12px 0;
  font-size: 15px;
  color: #ddd;
}

@keyframes fadeSlide {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.admin-skill {
  max-width: 600px;
  margin: 60px auto;
}

.admin-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 1px;
  color: #7c7cff;
  margin-bottom: 24px;
  text-transform: uppercase;
}

.admin-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admin-list li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(124,124,255,0.2);
  color: white;
  font-size: 15px;
}

.admin-list li:last-child {
  border-bottom: none;
}

.languages-grid {
  max-width: 600px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 140px 120px 1fr;
  row-gap: 22px;
  align-items: center;
}

.lang-name {
  color: white;
  font-size: 15px;
}

.lang-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.25);
}

.dot.active {
  background: #7c7cff;
  box-shadow: 0 0 10px rgba(124,124,255,0.7);
}

.lang-level {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}