/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-deep:    #080d12;
  --bg-card:    #0e1621;
  --bg-raised:  #131d2b;
  --border:     rgba(255,255,255,0.06);
  --accent:     #10b981;
  --accent-dim: rgba(16,185,129,0.12);
  --accent-glow:rgba(16,185,129,0.25);
  --text-main:  #e8edf2;
  --text-muted: #6b7f96;
  --text-dim:   #3d5166;
}

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg-deep);
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, .titre-section { font-family: 'Fraunces', serif; }
a { color: inherit; text-decoration: none; }

/* HEADER */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem 3rem;
  background: rgba(8,13,18,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(16,185,129,0.2);
  border-radius: 50px;
  padding: 0.2rem 0.8rem;
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
}

header h1 {
  font-size: 1.55rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
}

header h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--text-muted);
  margin-top: 0.1rem;
}

nav { display: flex; gap: 0.3rem; align-items: center; }

nav a {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

nav a:hover { color: var(--text-main); background: var(--accent-dim); }

/* BANNIÈRE HERO */
#banniere {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg-deep);
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(16,185,129,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,185,129,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 30%, transparent 100%);
}

#banniere::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(16,185,129,0.08) 0%, transparent 70%);
}

.banniere-overlay {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1.2rem;
  padding: 3rem 2rem;
  max-width: 720px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(16,185,129,0.25);
  border-radius: 50px;
  padding: 0.35rem 1.1rem;
}

.hero-title {
  font-family: 'Fraunces', serif;
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero-sub { font-size: 1rem; color: var(--text-muted); font-weight: 300; }

.bouton-banniere {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.25s, box-shadow 0.25s, opacity 0.25s;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.bouton-banniere:hover { transform: translateY(-3px); box-shadow: 0 8px 32px var(--accent-glow); opacity: 0.92; }

/* SECTIONS */
section {
  padding: 5rem 3rem;
  border-bottom: 1px solid var(--border);
}

section:nth-child(odd)  { background-color: var(--bg-deep); }
section:nth-child(even) { background-color: var(--bg-card); }

.section-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.titre-section {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 3rem;
}

.titre-section::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--accent);
  margin: 0.6rem 0 0;
  border-radius: 2px;
}

/* À PROPOS */
#apropos {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 4rem;
  align-items: start;
}

#apropos article h3 {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 1.2rem;
  letter-spacing: -0.03em;
}

#apropos article p { color: var(--text-muted); margin-bottom: 0.9rem; font-size: 0.98rem; }
#apropos article strong { color: var(--accent); font-weight: 500; }

#apropos article ul { list-style: none; margin: 1rem 0 2rem; }

#apropos article ul li {
  color: var(--text-muted);
  padding: 0.45rem 0 0.45rem 1.4rem;
  position: relative;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--border);
}

#apropos article ul li:last-child { border-bottom: none; }
#apropos article ul li::before { content: '▸'; color: var(--accent); position: absolute; left: 0; font-size: 0.85rem; }

.apropos-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 16px var(--accent-glow);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px var(--accent-glow); }

.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--text-muted);
  padding: 0.7rem 1.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.btn-secondary:hover { color: var(--text-main); border-color: var(--accent); background: var(--accent-dim); }

/* PROFIL CARD */
.profil-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2rem 1.6rem;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  position: sticky;
  top: 90px;
}

.profil-photo { position: relative; display: inline-block; margin-bottom: 1.2rem; }

.profil-photo img {
  width: 130px;
  height: 130px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 50%;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 6px var(--accent-dim);
  display: block;
}

.profil-card h3 { font-size: 1.15rem; font-weight: 700; color: #fff; margin-bottom: 0.2rem; }
.profil-titre { font-size: 0.8rem; color: var(--accent); font-weight: 400; margin-bottom: 1.4rem !important; }

.profil-infos {
  text-align: left;
  margin-bottom: 1.4rem;
  border-top: 1px solid var(--border);
  padding-top: 1.2rem;
}

.info-ligne {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.4rem 0;
  font-size: 0.82rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  word-break: break-all;
}

.info-ligne:last-child { border-bottom: none; }
.info-ico { flex-shrink: 0; font-size: 0.9rem; }

.reseaux { display: flex; justify-content: center; gap: 0.6rem; margin-top: 1rem; flex-wrap: wrap; }

.reseau-lien {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.reseau-lien:hover { color: #fff; border-color: var(--accent); background: var(--accent-dim); }
.reseau-linkedin:hover { color: #0a66c2; border-color: #0a66c2; background: rgba(10,102,194,0.1); }

/* COMPÉTENCES */
.competences-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.comp-groupe {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.6rem;
  transition: border-color 0.2s, transform 0.2s;
}

.comp-groupe:hover { border-color: rgba(16,185,129,0.25); transform: translateY(-2px); }

.comp-groupe-titre {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
}

.comp-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.comp-tag {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.3rem 0.75rem;
  border-radius: 6px;
  transition: color 0.2s, border-color 0.2s;
}

.comp-tag:hover { color: var(--accent); border-color: rgba(16,185,129,0.3); }

/* LANGUES */
.langues-bloc {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.8rem;
  max-width: 540px;
}

.langue-item { margin-bottom: 1.2rem; }
.langue-item:last-child { margin-bottom: 0; }

.langue-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.langue-niveau { color: var(--accent); font-size: 0.78rem; font-weight: 600; }
.langue-bar { height: 4px; background: var(--border); border-radius: 4px; overflow: hidden; }

.langue-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), rgba(16,185,129,0.5));
  border-radius: 4px;
}

/* PROJETS */
.grille-projets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.carte-projet {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.carte-projet:hover {
  border-color: rgba(16,185,129,0.3);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

.projet-header { display: flex; justify-content: space-between; align-items: center; }
.projet-icon { font-size: 1.8rem; }

.projet-date {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-weight: 400;
  letter-spacing: 0.04em;
}

.carte-projet h4 { font-size: 1.05rem; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.carte-projet p { font-size: 0.86rem; color: var(--text-muted); line-height: 1.6; flex: 1; }

.projet-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.tag {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(16,185,129,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.03em;
}

.btn-projet { display: inline-block; font-size: 0.82rem; font-weight: 600; color: var(--accent); margin-top: 0.3rem; }
.btn-projet:hover { opacity: 0.75; }

/* TIMELINE */
#experience { background: var(--bg-deep) !important; }

.timeline { position: relative; max-width: 760px; padding-left: 2rem; }

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline-item { position: relative; padding-left: 2rem; margin-bottom: 2.5rem; }
.timeline-item:last-child { margin-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -2.4rem;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-raised);
  border: 2px solid var(--text-dim);
}

.timeline-dot.accent {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-dim);
}

.timeline-item:hover .timeline-dot { border-color: var(--accent); }

.timeline-date {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.06em;
  margin-bottom: 0.3rem;
  text-transform: uppercase;
}

.timeline-content h4 { font-size: 1rem; font-weight: 700; color: var(--text-main); margin-bottom: 0.5rem; }
.timeline-content p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.65; margin-bottom: 0.6rem; }

.timeline-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
}

/* CONTACT */
#contact { background: var(--bg-card) !important; }

.contact-intro { color: var(--text-muted); font-size: 0.98rem; margin-bottom: 2.5rem; max-width: 560px; }
.contact-intro strong { color: var(--accent); font-weight: 500; }

.formulaire {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem 1.8rem;
  max-width: 780px;
}

.champ { display: flex; flex-direction: column; gap: 0.4rem; }
.champ-large { grid-column: 1 / -1; }

.champ label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.champ input, .champ textarea {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-main);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.93rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.champ input::placeholder, .champ textarea::placeholder { color: var(--text-dim); }
.champ input:focus, .champ textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.champ textarea { resize: vertical; min-height: 130px; }

.label-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
  font-weight: 400;
}

.label-checkbox input[type="checkbox"] { width: 16px; height: 16px; margin-top: 0.15rem; accent-color: var(--accent); flex-shrink: 0; }

.bouton-envoyer {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.85rem 2.2rem;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.bouton-envoyer:hover { transform: translateY(-2px); box-shadow: 0 8px 32px var(--accent-glow); opacity: 0.92; }

/* FOOTER */
footer {
  padding: 2.5rem 3rem;
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-brand { display: flex; align-items: center; gap: 1rem; }

.footer-logo {
  font-family: 'Fraunces', serif;
  font-weight: 800;
  font-size: 1.2rem;
  color: #fff;
  background: var(--accent-dim);
  border: 1px solid rgba(16,185,129,0.25);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.footer-name { font-family: 'Fraunces', serif; font-weight: 700; color: var(--text-main); font-size: 0.95rem; }
.footer-tagline { font-size: 0.78rem; color: var(--text-muted); }

.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a { font-size: 0.85rem; color: var(--text-muted); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-bottom p { font-size: 0.8rem; color: var(--text-dim); }
.footer-interests { display: flex; gap: 1rem; flex-wrap: wrap; }
.footer-interests span { font-size: 0.78rem; color: var(--text-dim); }

/* TOP BUTTON */
#top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  color: var(--text-muted);
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  transition: transform 0.2s, border-color 0.2s, color 0.2s, opacity 0.3s;
  z-index: 999;
}

#top-btn:hover { transform: translateY(-3px); border-color: var(--accent); color: var(--accent); }

/* ANIMATIONS */
.fade-in { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.carte-projet:nth-child(2).fade-in { transition-delay: 0.1s; }
.carte-projet:nth-child(3).fade-in { transition-delay: 0.2s; }
.comp-groupe:nth-child(2).fade-in  { transition-delay: 0.08s; }
.comp-groupe:nth-child(3).fade-in  { transition-delay: 0.16s; }
.comp-groupe:nth-child(4).fade-in  { transition-delay: 0.24s; }
.timeline-item:nth-child(2).fade-in { transition-delay: 0.1s; }
.timeline-item:nth-child(3).fade-in { transition-delay: 0.2s; }
.timeline-item:nth-child(4).fade-in { transition-delay: 0.3s; }

/* RESPONSIVE */
@media (max-width: 900px) {
  #apropos { grid-template-columns: 1fr; }
  .profil-card { position: static; }
  .grille-projets { grid-template-columns: 1fr; }
  .competences-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  header { flex-direction: column; text-align: center; padding: 1.2rem 1.5rem; gap: 0.8rem; }
  nav { flex-wrap: wrap; justify-content: center; gap: 0.3rem; }
  section { padding: 3rem 1.5rem; }
  footer  { padding: 2rem 1.5rem; }
  .formulaire { grid-template-columns: 1fr; }
  .champ-large { grid-column: 1; }
  .footer-top { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  #banniere { min-height: 280px; }
  .hero-title { font-size: 1.8rem; }
  header h1  { font-size: 1.2rem; }
  .titre-section { font-size: 1.4rem; }
}