/* ===== BASE ===== */
* { scroll-behavior: smooth; }

::selection {
  background: #fb923c;
  color: #111827;
}

/* ===== NAVBAR ===== */
#navbar.scrolled {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(251, 146, 60, 0.1);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.nav-link {
  color: #9ca3af;
  transition: color 0.3s;
  position: relative;
  padding-bottom: 4px;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: #fb923c;
  transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active { color: #fb923c; }

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

/* ===== HERO AVATAR ===== */
.hero-avatar {
  width: 320px; height: 320px;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  background: linear-gradient(135deg, #fb923c 0%, #111827 60%);
  display: flex; align-items: center; justify-content: center;
  animation: morphing 8s ease-in-out infinite, float 3s ease-in-out infinite;
  box-shadow: 0 0 60px rgba(251, 146, 60, 0.25);
}

.avatar-inner {
  width: 280px; height: 280px;
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  background: #1f2937;
  display: flex; align-items: center; justify-content: center;
  animation: morphing 8s ease-in-out infinite reverse;
  overflow: hidden;
}

.avatar-inner img { width: 100%; height: 100%; object-fit: cover; }

@keyframes morphing {
  0%   { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  50%  { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-16px); }
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex; align-items: center;
  padding: 0.75rem 2rem;
  background: #fb923c; color: #111827;
  font-weight: 700; border-radius: 50px;
  transition: all 0.3s; text-decoration: none;
}

.btn-primary:hover {
  background: transparent; color: #fb923c;
  box-shadow: 0 0 0 2px #fb923c;
}

.btn-outline {
  display: inline-flex; align-items: center;
  padding: 0.75rem 2rem;
  border: 2px solid #fb923c; color: #fb923c;
  font-weight: 700; border-radius: 50px;
  transition: all 0.3s; text-decoration: none;
}

.btn-outline:hover { background: #fb923c; color: #111827; }

/* ===== SOCIAL ICONS ===== */
.social-icon {
  width: 42px; height: 42px;
  border: 2px solid #fb923c; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fb923c; font-size: 1rem;
  transition: all 0.3s; text-decoration: none;
}

.social-icon:hover {
  background: #fb923c; color: #111827;
  transform: translateY(-3px);
}

/* ===== SECTION TITLE ===== */
.section-title {
  font-size: 2rem; font-weight: 800;
  text-align: center;
  position: relative; padding-bottom: 1rem;
}

.section-title::after {
  content: '';
  position: absolute; bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 60px; height: 3px;
  background: #fb923c; border-radius: 2px;
}

/* ===== ABOUT ===== */
.about-card {
  background: #1f2937; border-radius: 20px;
  padding: 2rem; text-align: center;
  border: 1px solid rgba(251,146,60,0.1);
  min-width: 220px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.about-avatar {
  width: 120px; height: 120px; border-radius: 50%;
  background: linear-gradient(135deg, #fb923c, #111827);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto; overflow: hidden;
  border: 3px solid #fb923c;
}

.about-avatar img { width: 100%; height: 100%; object-fit: cover; }

/* ===== TABS ===== */
.tab-btn {
  padding: 0.5rem 1.25rem; border-radius: 50px;
  font-size: 0.875rem; font-weight: 600;
  color: #9ca3af; background: transparent;
  border: 2px solid rgba(251,146,60,0.2);
  cursor: pointer; transition: all 0.3s;
}

.tab-btn:hover, .tab-btn.active {
  background: #fb923c; color: #111827;
  border-color: #fb923c;
}

/* ===== TIMELINE ===== */
.timeline-item {
  padding: 1rem 0 1rem 1.5rem;
  border-left: 2px solid rgba(251,146,60,0.3);
  margin-bottom: 0.5rem; position: relative;
}

.timeline-item::before {
  content: ''; position: absolute;
  left: -6px; top: 1.25rem;
  width: 10px; height: 10px;
  border-radius: 50%; background: #fb923c;
}

/* ===== DETAIL ITEMS ===== */
.detail-item {
  background: #111827; border-radius: 10px;
  padding: 0.75rem 1rem; font-size: 0.875rem;
  display: flex; gap: 0.5rem; flex-wrap: wrap;
}

/* ===== SKILLS ===== */
.skill-bar {
  height: 8px;
  background: rgba(255,255,255,0.08);
  border-radius: 50px; overflow: hidden;
}

.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, #fb923c, #fcd34d);
  border-radius: 50px; width: 0;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== SERVICES ===== */
.service-card {
  background: #1f2937;
  border: 1px solid rgba(251,146,60,0.1);
  border-radius: 20px; padding: 2.5rem 2rem;
  text-align: center; transition: all 0.3s;
}

.service-card:hover, .service-card.featured {
  border-color: #fb923c;
  box-shadow: 0 0 30px rgba(251,146,60,0.15);
  transform: translateY(-6px);
}

.service-icon {
  width: 70px; height: 70px; border-radius: 50%;
  background: rgba(251,146,60,0.1);
  border: 2px solid #fb923c;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.5rem;
  font-size: 1.75rem; color: #fb923c;
  transition: all 0.3s;
}

.service-card:hover .service-icon { background: #fb923c; color: #111827; }

.service-card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 1rem; }

.service-card p { color: #9ca3af; font-size: 0.875rem; line-height: 1.7; margin-bottom: 1.5rem; }

.service-btn {
  display: inline-block; padding: 0.5rem 1.5rem;
  border: 2px solid #fb923c; border-radius: 50px;
  color: #fb923c; font-size: 0.875rem; font-weight: 600;
  text-decoration: none; transition: all 0.3s;
}

.service-btn:hover, .service-btn.active { background: #fb923c; color: #111827; }

/* ===== PORTFOLIO ===== */
.project-card {
  background: #111827; border-radius: 16px; overflow: hidden;
  border: 1px solid rgba(251,146,60,0.1); transition: all 0.3s;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(251,146,60,0.15);
  border-color: #fb923c;
}

.project-img { height: 180px; transition: transform 0.3s; }
.project-card:hover .project-img { transform: scale(1.03); }

.project-info { padding: 1.25rem; }
.project-info h4 { font-weight: 700; font-size: 0.95rem; margin-bottom: 0.25rem; }
.project-info p  { color: #9ca3af; font-size: 0.8rem; margin-bottom: 0.5rem; }

.badge {
  display: inline-block;
  background: rgba(251,146,60,0.15); color: #fb923c;
  font-size: 0.7rem; font-weight: 600;
  padding: 0.2rem 0.6rem; border-radius: 50px;
  border: 1px solid rgba(251,146,60,0.3);
}

/* ===== ENSEIGNEMENT ===== */
.teach-card {
  background: #1f2937; border-radius: 16px; padding: 1.5rem;
  border: 1px solid rgba(251,146,60,0.1); transition: all 0.3s;
}

.teach-card:hover { border-color: #fb923c; }

.teach-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }

.teach-list li {
  color: #9ca3af; font-size: 0.875rem;
  padding-left: 1.2rem; position: relative;
}

.teach-list li::before {
  content: '▸'; position: absolute; left: 0;
  color: #fb923c; font-size: 0.75rem;
}

.univ-card {
  background: #1f2937; border-radius: 12px; padding: 1rem;
  text-align: center; border: 1px solid rgba(251,146,60,0.1);
  transition: all 0.3s; display: flex; flex-direction: column; align-items: center;
}

.univ-card:hover { border-color: #fb923c; transform: translateY(-4px); }

/* ===== CONTACT ===== */
.contact-info-item {
  display: flex; align-items: center; gap: 1rem;
  color: #9ca3af; font-size: 0.9rem;
  text-decoration: none; transition: color 0.3s;
}

.contact-info-item:hover { color: #fb923c; }

.form-input {
  background: #111827;
  border: 1px solid rgba(251,146,60,0.15);
  border-radius: 10px; padding: 0.85rem 1rem;
  color: #fff; font-size: 0.9rem; width: 100%;
  outline: none; transition: border-color 0.3s;
}

.form-input::placeholder { color: #6b7280; }

.form-input:focus {
  border-color: #fb923c;
  box-shadow: 0 0 0 3px rgba(251,146,60,0.1);
}

/* ===== TYPED ===== */
.typed-text::after {
  content: '|'; animation: blink 0.7s infinite; color: #fb923c;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}

/* ===== ANIMATIONS ===== */
.animate-fade-in { animation: fadeInUp 0.8s ease both; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #111827; }
::-webkit-scrollbar-thumb { background: #fb923c; border-radius: 3px; }