/*
  Auteur : Arthur Hilbert
  Copyright © 2026 Arthur Hilbert. Tous droits réservés.
  Fichier : style.css
*/

:root {
  --bg: #0a0d14;
  --bg2: #10141f;
  --bg3: #161b2e;
  --accent: #3b82f6;
  --accent2: #60a5fa;
  --accent-glow: rgba(59,130,246,0.18);
  --text: #e8eaf0;
  --muted: #7c8db5;
  --border: rgba(59,130,246,0.15);
  --card: rgba(22,27,46,0.85);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:'DM Sans',sans-serif;overflow-x:hidden;}

/* ─── NAV ─── */
nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:1.2rem 2.5rem;display:flex;align-items:center;justify-content:space-between;background:rgba(10,13,20,0.85);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);}
.nav-logo{font-family:'Inter',sans-serif;font-weight:800;font-size:1.15rem;color:var(--accent2);letter-spacing:.04em; display:flex; align-items:baseline; gap:0.5rem;}
.nav-age{font-size:0.8rem; color:var(--muted); font-weight:500; letter-spacing:normal;}
.nav-links{display:flex;gap:2rem;list-style:none;}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.85rem;font-weight:500;transition:color .2s;}
.nav-links a:hover{color:var(--text);}
.nav-actions {display: flex; gap: 0.8rem; align-items: center;}
.nav-cv{background:var(--accent);color:#fff;padding:.45rem 1.1rem;border-radius:6px;font-size:.82rem;font-weight:600;text-decoration:none;transition:opacity .2s;}
.nav-cv:hover{opacity:.85;}
.nav-cv-outline{background:transparent;border:1px solid var(--border);color:var(--text);padding:.45rem 1.1rem;border-radius:6px;font-size:.82rem;font-weight:600;text-decoration:none;transition:border-color .2s, background .2s; cursor:pointer;}
.nav-cv-outline:hover{border-color:var(--accent2);background:var(--accent-glow);}

/* ─── HERO ─── */
#accueil{min-height:100vh;display:flex;align-items:center;position:relative;padding:0 2.5rem;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 60% 55% at 70% 40%,rgba(59,130,246,.12) 0%,transparent 70%),radial-gradient(ellipse 40% 50% at 20% 80%,rgba(96,165,250,.07) 0%,transparent 60%);pointer-events:none;}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);background-size:60px 60px;opacity:.35;pointer-events:none;}
.hero-inner{position:relative;z-index:1;max-width:1100px;margin:0 auto;width:100%;display:grid;grid-template-columns:1fr 340px;gap:5rem;align-items:center;}

.hero-tag{display:inline-flex;align-items:center;gap:.6rem;background:transparent;border:1px solid rgba(255,255,255,0.1);border-radius:30px;padding:.4rem 1.2rem;font-size:.8rem;color:var(--text);margin-bottom:1.5rem;box-shadow:inset 0 0 10px rgba(0,0,0,0.5);}
.hero-tag span{width:8px;height:8px;background:#ef4444;border-radius:50%;animation:pulse-red 2s infinite;box-shadow:0 0 8px #ef4444;}
@keyframes pulse-red{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(1.2);}}

h1{font-family:'Inter',sans-serif;font-size:clamp(2.8rem,5vw,4.2rem);font-weight:800;line-height:1.08;letter-spacing:-.02em;margin-bottom:1rem;}
h1 span{color:var(--accent2);}

.hero-sub{font-size:1.05rem;color:var(--muted);line-height:1.7;max-width:480px;margin-bottom:2rem;}
.hero-btns{display:flex;gap:1rem;flex-wrap:wrap;}
.btn-primary{background:var(--accent);color:#fff;padding:.7rem 1.6rem;border-radius:8px;font-weight:600;font-size:.9rem;text-decoration:none;transition:transform .2s,box-shadow .2s;}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(59,130,246,.35);}
.btn-ghost{border:1px solid var(--border);color:var(--text);padding:.7rem 1.6rem;border-radius:8px;font-weight:500;font-size:.9rem;text-decoration:none;transition:border-color .2s,background .2s;}
.btn-ghost:hover{border-color:var(--accent2);background:var(--accent-glow);}
.hero-photo-wrap{position:relative;display:flex;justify-content:center;}
.hero-photo-wrap::before{content:'';position:absolute;inset:-16px;border-radius:50%;background:conic-gradient(from 0deg,var(--accent),transparent 60%,var(--accent2),transparent);animation:spin 8s linear infinite;opacity:.45;}
@keyframes spin{to{transform:rotate(360deg)}}
.hero-photo{width:260px;height:260px;border-radius:50%;object-fit:cover;object-position:center top;position:relative;z-index:1;border:3px solid var(--bg3); background:var(--bg3);}
.hero-stats{display:flex;gap:2rem;margin-top:2.5rem;}
.stat{text-align:center;}
.stat-num{font-family:'Inter',sans-serif;font-size:1.6rem;font-weight:800;color:var(--accent2);}
.stat-label{font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;}

/* ─── SKILLS TICKER ─── */
.ticker-wrap{padding:1.5rem 0;background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);overflow:hidden;white-space:nowrap;}
.ticker-inner{display:inline-flex;gap:2.5rem;animation:ticker 28s linear infinite;}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.ticker-item{display:inline-flex;align-items:center;gap:.6rem;color:var(--muted);font-size:.82rem;font-weight:500;}
.ticker-item::before{content:'';display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;}

/* ─── SECTIONS ─── */
section{padding:6rem 2.5rem;}
.section-inner{max-width:1100px;margin:0 auto;}
.section-label{font-size:.75rem;color:var(--accent2);text-transform:uppercase;letter-spacing:.14em;font-weight:600;margin-bottom:.7rem;}
.section-title{font-family:'Inter',sans-serif;font-size:clamp(1.9rem,3.5vw,2.8rem);font-weight:800;line-height:1.15;margin-bottom:3rem;}
.section-title em{color:var(--accent2);font-style:normal;}

/* ─── COMPETENCES ─── */
#competences{background:var(--bg2);}
.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.2rem;}
.skill-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;transition:border-color .25s,transform .25s;}
.skill-card:hover{border-color:var(--accent2);transform:translateY(-3px);}
.skill-card-icon{font-size:1.6rem;margin-bottom:.75rem;}
.skill-card-title{font-family:'Inter',sans-serif;font-weight:700;font-size:.95rem;margin-bottom:.5rem;}
.skill-tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.7rem;}
.skill-tag{background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.2);color:var(--accent2);font-size:.72rem;padding:.25rem .6rem;border-radius:20px;}

/* ─── EXPERIENCES ─── */
.timeline{position:relative;padding-left:2rem;}
.timeline::before{content:'';position:absolute;left:.5rem;top:0;bottom:0;width:1px;background:var(--border);}
.tl-item{position:relative;margin-bottom:3rem;}
.tl-dot{position:absolute;left:-1.625rem;top:.3rem;width:12px;height:12px;border-radius:50%;background:var(--accent);border:2px solid var(--bg);box-shadow:0 0 0 3px var(--accent-glow);}
.tl-date{font-size:.75rem;color:var(--accent2);font-weight:600;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.3rem;}
.tl-title{font-family:'Inter',sans-serif;font-weight:700;font-size:1.05rem;margin-bottom:.2rem;}
.tl-org{font-size:.85rem;color:var(--muted);margin-bottom:.6rem;}
.tl-desc{font-size:.88rem;color:var(--muted);line-height:1.65;}
.tl-desc li{margin-bottom:.25rem;}
.tl-desc ul{padding-left:1.2rem;}

/* ─── CERTIFICATIONS (CARROUSEL) ─── */
#certifications{background:var(--bg2);}
.cert-carousel-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  position: relative;
}
.cert-nav-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all .2s;
  font-size: 1.2rem;
  flex-shrink: 0;
  z-index: 2;
}
.cert-nav-btn:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: scale(1.05);
}
.cert-carousel {
  display: flex;
  gap: 1.2rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding: 1rem 0;
  -ms-overflow-style: none; /* IE and Edge */
  scrollbar-width: none; /* Firefox */
  flex-grow: 1;
}
.cert-carousel::-webkit-scrollbar {
  display: none; /* Chrome, Safari and Opera */
}
.cert-link {
  text-decoration: none;
  color: inherit;
  display: block;
  min-width: 320px;
  flex: 0 0 auto;
  scroll-snap-align: center;
  cursor: pointer;
}
.cert-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;display:flex;gap:1rem;align-items:flex-start;transition:border-color .25s,transform .25s; height: 100%;}
.cert-card:hover{border-color:var(--accent2);transform:translateY(-5px);box-shadow:0 8px 24px rgba(59,130,246,.15);}
.cert-icon{width:48px;height:48px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;background:rgba(59,130,246,.1);border:1px solid var(--border);}
.cert-issuer{font-size:.7rem;color:var(--accent2);text-transform:uppercase;letter-spacing:.1em;font-weight:600;margin-bottom:.25rem;}
.cert-name{font-family:'Inter',sans-serif;font-weight:700;font-size:.95rem;line-height:1.3;margin-bottom:.3rem;}
.cert-meta{font-size:.78rem;color:var(--muted);}
.cert-score{display:inline-block;margin-top:.5rem;background:rgba(59,130,246,.12);border:1px solid rgba(59,130,246,.25);color:var(--accent2);font-size:.75rem;font-weight:600;padding:.2rem .6rem;border-radius:20px;}

/* ─── FORMATION ─── */
.edu-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;}
.edu-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem 1.8rem;transition:border-color .25s;}
.edu-card:hover{border-color:var(--accent2);}
.edu-date{font-size:.75rem;color:var(--accent2);font-weight:600;text-transform:uppercase;letter-spacing:.1em;margin-bottom:.4rem;}
.edu-degree{font-family:'Inter',sans-serif;font-weight:700;font-size:1rem;margin-bottom:.2rem;}
.edu-school{font-size:.85rem;color:var(--muted);}

/* ─── PROJET PRO ─── */
.projet-box{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:3rem;text-align:center;position:relative;overflow:hidden;}
.projet-box::before{content:'';position:absolute;top:-40%;left:50%;transform:translateX(-50%);width:400px;height:400px;background:radial-gradient(circle,rgba(59,130,246,.1),transparent 70%);pointer-events:none;}
.projet-box h3{font-family:'Inter',sans-serif;font-size:1.9rem;font-weight:800;margin-bottom:1rem;}
.projet-box p{color:var(--muted);max-width:560px;margin:0 auto 2rem;line-height:1.7;}
.projet-pills{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;}
.pill{background:rgba(59,130,246,.1);border:1px solid rgba(59,130,246,.25);color:var(--accent2);padding:.5rem 1.2rem;border-radius:30px;font-size:.82rem;font-weight:600;}

/* ─── CONTACT ─── */
#contact{background:var(--bg);}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center;}
.contact-info h2{font-family:'Inter',sans-serif;font-size:2.2rem;font-weight:800;margin-bottom:1rem;}
.contact-info p{color:var(--muted);line-height:1.7;margin-bottom:1.5rem;}
.contact-links{display:flex;flex-direction:column;gap:.75rem;}
.contact-link{display:flex;align-items:center;gap:.75rem;color:var(--text);text-decoration:none;font-size:.9rem;transition:color .2s;}
.contact-link:hover{color:var(--accent2);}
.contact-link-icon{width:38px;height:38px;border-radius:8px;background:var(--accent-glow);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.95rem;}
.contact-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:2.5rem;text-align:center;}
.contact-card h3{font-family:'Inter',sans-serif;font-weight:700;font-size:1.2rem;margin-bottom:.5rem;}
.contact-card p{color:var(--muted);font-size:.85rem;margin-bottom:1.5rem;}

/* ─── MODAL (POP-UP) AMÉLIORÉE ─── */
.modal {
  display: none; 
  position: fixed; 
  z-index: 1000; 
  left: 0; 
  top: 0; 
  width: 100%; 
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6); 
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  align-items: center; 
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.modal.show {
  display: flex;
  opacity: 1;
}
.modal-content {
  max-width: 900px; 
  max-height: 80vh; 
  width: auto;
  height: auto;
  border-radius: 12px; 
  box-shadow: 0 15px 50px rgba(0,0,0,0.4); 
  object-fit: contain;
  transform: scale(0.95);
  transition: transform 0.3s ease;
}
.modal.show .modal-content {
  transform: scale(1);
}
.close-btn {
  position: absolute; 
  top: 25px; 
  right: 40px; 
  color: #fff; 
  font-size: 45px; 
  font-weight: 300; 
  cursor: pointer; 
  transition: color 0.2s, transform 0.2s; 
  z-index: 1001;
}
.close-btn:hover {
  color: var(--accent2);
  transform: scale(1.1);
}

/* Bouton Télécharger en PDF */
.modal-download-btn {
  position: absolute;
  bottom: 30px;
  right: 30px;
  background: var(--accent);
  color: #fff;
  padding: 0.8rem 1.6rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 15px rgba(59,130,246,0.4);
  transition: background 0.2s, transform 0.2s;
  z-index: 1002;
}
.modal-download-btn:hover {
  background: var(--accent2);
  transform: translateY(-2px);
}

/* ─── FOOTER ─── */
footer{background:var(--bg2);border-top:1px solid var(--border);text-align:center;padding:2rem;font-size:.8rem;color:var(--muted);}

/* ─── RESPONSIVE ─── */
@media(max-width:768px){
  .hero-inner{grid-template-columns:1fr;text-align:center;}
  .hero-photo-wrap{order:-1;justify-content:center;}
  .hero-btns{justify-content:center;}
  .hero-stats{justify-content:center;}
  .edu-grid,.contact-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .cert-nav-btn {display: none;} /* Masquer les flèches sur mobile pour laisser juste le swipe tactile */
  .modal-content { max-width: 95%; max-height: 70vh; }
  .close-btn { top: 15px; right: 20px; }
  .modal-download-btn { bottom: 20px; right: 20px; padding: 0.7rem 1.2rem; font-size: 0.85rem;}
}

/* ─── ANIMATIONS ─── */
.fade-in{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.fade-in.visible{opacity:1;transform:none;}