/* =================================================================
   PORTFOLIO V2 - EWEN BRÉHÉLIN
   Design ultra-moderne menu latéral, glassmorphism, animations
   ================================================================= */

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

:root {
  /* Couleurs */
  --primary:#6366f1;--secondary:#4F46E5;--accent:#0EA5E9;
  --success:#10b981; /* NOUVEAU: Vert pour "Disponible" */
  --warning:#4F46E5;--danger:#ef4444;
  
  /* Gradients */
  --gradient-primary:linear-gradient(135deg,#6366F1 0%,#4F46E5 100%);
  --gradient-secondary:linear-gradient(135deg,#0EA5E9 0%,#06b6d4 100%);
  --gradient-cyan:linear-gradient(135deg,#4facfe 0%,#00f2fe 100%);
  --gradient-blue:linear-gradient(135deg,#667eea 0%,#764ba2 100%);
  --gradient-purple:linear-gradient(135deg,#a8edea 0%,#fed6e3 100%);
  --gradient-pink:linear-gradient(135deg,#ffecd2 0%,#fcb69f 100%);
  
  /* Backgrounds */
  --bg-white:#ffffff;--bg-light:#f9fafb;--bg-gray:#f3f4f6;
  --bg-dark:#111827;--bg-darker:#0f172a;
  
  /* Texte */
  --text-dark:#1f2937;--text-gray:#6b7280;
  --text-light:#9ca3af;--text-white:#ffffff;
  
  /* Espacements */
  --spacing-xs:0.25rem;--spacing-sm:0.5rem;--spacing-md:1rem;
  --spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;
  --spacing-3xl:4rem;--spacing-4xl:6rem;
  
  /* Bordures */
  --radius:0.5rem;--radius-lg:1rem;--radius-xl:1.5rem;--radius-full:9999px;
  
  /* Ombres */
  --shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);
  --shadow:0 1px 3px 0 rgb(0 0 0/0.1),0 1px 2px -1px rgb(0 0 0/0.1);
  --shadow-md:0 4px 6px -1px rgb(0 0 0/0.1),0 2px 4px -2px rgb(0 0 0/0.1);
  --shadow-lg:0 10px 15px -3px rgb(0 0 0/0.1),0 4px 6px -4px rgb(0 0 0/0.1);
  --shadow-xl:0 20px 25px -5px rgb(0 0 0/0.1),0 8px 10px -6px rgb(0 0 0/0.1);
  
  /* Transitions */
  --transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-fast:all 0.15s cubic-bezier(0.4,0,0.2,1);
  
  /* Sidebar */
  --sidebar-width:80px;
}

html{
  scroll-behavior:smooth;
  scroll-padding-top:2rem;
  /* Correction bug débordement horizontal */
  overflow-x: hidden; 
} 
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.6;
  color:var(--text-dark);
  background:var(--bg-white);
  /* Double protection */
  overflow-x:hidden;
  /* Correction anti-décalage sur les navigateurs mobiles */
  min-width: 100%;
}

/* ===== SIDEBAR (Affichage par défaut : Desktop) ===== */
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:rgba(255,255,255,0.8);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-right:1px solid rgba(0,0,0,0.05);z-index:1000;display:flex; 
  flex-direction:column;padding:var(--spacing-lg) 0;transition:var(--transition)}

/* Burger menu mobile */
.mobile-menu-btn{display:none;position:fixed;top:1rem;right:1rem;width:50px;height:50px;background:var(--gradient-primary);border:none;border-radius:var(--radius);cursor:pointer;z-index:10001;box-shadow:var(--shadow-lg);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.mobile-menu-btn span{width:24px;height:3px;background:white;border-radius:2px;transition:var(--transition)}
.mobile-menu-btn.active span:nth-child(1){transform:rotate(45deg) translate(6px,6px)}
.mobile-menu-btn.active span:nth-child(2){opacity:0}
.mobile-menu-btn.active span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}

/* Drawer mobile */
.mobile-drawer{display:none;position:fixed;top:0;left:-100%;width:280px;height:100vh;background:rgba(255,255,255,0.98);backdrop-filter:blur(20px);z-index:10000;padding:0rem;transition:left 0.3s ease;box-shadow:var(--shadow-xl)}
.mobile-drawer.open{left:0}
.mobile-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:9999;opacity:0;pointer-events:none;transition:var(--transition)}
.mobile-overlay.show{opacity:1;pointer-events:auto}
body.no-scroll{overflow:hidden}

.sidebar-container{display:flex;flex-direction:column;align-items:center;height:100%;gap:var(--spacing-2xl)}

.sidebar-brand{position:relative}
.avatar-wrapper{position:relative;width:48px;height:48px}
.avatar{width:100%;height:100%;border-radius:var(--radius-full);object-fit:cover;border:2px solid var(--primary);transition:var(--transition)}
.avatar:hover{transform:scale(1.05);border-color:var(--secondary)}
.avatar-status{position:absolute;bottom:2px;right:2px;width:12px;height:12px;background:var(--success);border:2px solid var(--bg-white);border-radius:var(--radius-full);animation:pulse-active 2s ease-in-out infinite} /* CHANGÉ: animation: pulse-active */

@keyframes pulse-active{
  0%,100%{box-shadow:0 0 0 0 var(--success)}
  70%{box-shadow:0 0 0 8px rgba(16,185,129,0)} /* Changé le RVBA de l'accent pour le vert */
}

@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}

.sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-sm);flex:1}
.nav-item{position:relative;display:flex;align-items:center;justify-content:center;width:48px;height:48px;color:var(--text-gray);text-decoration:none;border-radius:var(--radius);transition:var(--transition)}
.nav-item:hover{background:rgba(99,102,241,0.1);color:var(--primary);transform:translateX(4px)}
.nav-item.active{background:var(--gradient-primary);color:var(--text-white)}
.nav-icon{width:24px;height:24px}
.nav-label{display:none}

/* Styles pour le menu mobile (Ref. 6A) */
.mobile-drawer .sidebar-nav{padding:1rem 0}
.mobile-drawer .nav-item{justify-content:flex-start;width:100%;padding:1rem;color:var(--text-dark)}
.mobile-drawer .nav-item:hover{transform:none}
.mobile-drawer .nav-label{display:block;font-size:1rem;font-weight:600}
.mobile-drawer .nav-icon{flex-shrink:0;margin-right:1rem;color:var(--primary)}
.mobile-drawer .nav-item.active{background:rgba(99,102,241,0.1);color:var(--text-dark)}
.mobile-drawer .nav-item.active .nav-icon{color:var(--primary)}


.sidebar-socials{display:flex;flex-direction:column;gap:var(--spacing-sm);margin-top:auto}
.social-link{display:flex;align-items:center;justify-content:center;width:40px;height:40px;color:var(--text-gray);text-decoration:none;border-radius:var(--radius);transition:var(--transition)}
.social-link:hover{background:rgba(99,102,241,0.1);color:var(--primary);transform:scale(1.1)}
.social-link svg{width:20px;height:20px}

.nav-item[data-tooltip]::after,.social-link[data-tooltip]::after{content:attr(data-tooltip);position:absolute;left:calc(100% + 12px);background:var(--bg-darker);color:var(--text-white);padding:0.375rem 0.75rem;border-radius:var(--radius);font-size:0.875rem;white-space:nowrap;opacity:0;pointer-events:none;transition:var(--transition);z-index:10}
.nav-item:hover[data-tooltip]::after,.social-link:hover[data-tooltip]::after{opacity:1}

/* ===== MAIN CONTENT ===== */
.main-content{margin-left:var(--sidebar-width);min-height:100vh}

/* ===== HERO ===== */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-darker);overflow:hidden;padding:var(--spacing-2xl)}

.particles-bg{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1}

.grid-bg{position:absolute;top:0;left:0;width:100%;height:100%;background-image:linear-gradient(rgba(99,102,241,0.1) 1px,transparent 1px),linear-gradient(90deg,rgba(99,102,241,0.1) 1px,transparent 1px);background-size:50px 50px;animation:grid-move 20s linear infinite;z-index:1}

@keyframes grid-move{0%{transform:translate(0,0)}100%{transform:translate(50px,50px)}}

.hero-container{position:relative;z-index:2;max-width:1200px;margin:0 auto;text-align:center}
.hero-content{animation:fadeInUp 1s ease-out}

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

.status-badge{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:0.5rem 1rem;background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius-full);color:var(--text-white);font-size:0.875rem;font-weight:500;margin-bottom:var(--spacing-xl)}

.status-dot{width:8px;height:8px;background:var(--success);border-radius:var(--radius-full);animation:pulse-active 2s ease-in-out infinite} /* CHANGÉ: animation: pulse-active */

.hero-title{font-family:'Space Grotesk',sans-serif;font-size:clamp(2.5rem,8vw,5rem);font-weight:700;color:var(--text-white);margin-bottom:var(--spacing-lg);line-height:1.1}

.glitch{position:relative;display:inline-block}
.glitch:hover{animation:glitch 0.3s ease-in-out}

@keyframes glitch{0%,100%{transform:translate(0)}20%{transform:translate(-2px,2px)}40%{transform:translate(-2px,-2px)}60%{transform:translate(2px,2px)}80%{transform:translate(2px,-2px)}}

.hero-subtitle{font-size:clamp(1.25rem,3vw,2rem);font-weight:600;color:var(--accent);margin-bottom:var(--spacing-lg)}

.typing-text{display:inline-block;border-right:3px solid var(--accent);animation:blink 0.75s step-end infinite}

@keyframes blink{50%{border-color:transparent}}

.hero-description{font-size:1.125rem;color:rgba(255,255,255,0.8);max-width:600px;margin:0 auto var(--spacing-2xl);line-height:1.7}

.hero-cta{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);flex-wrap:wrap;margin-bottom:var(--spacing-3xl)}

.scroll-indicator{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);color:rgba(255,255,255,0.6);font-size:0.875rem;animation:bounce 2s ease-in-out infinite}

@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(10px)}}

/* ===== SECTIONS ===== */
.section{padding:var(--spacing-4xl) var(--spacing-xl);position:relative}
.container{max-width:1200px;margin:0 auto}
.container-small{max-width:800px;margin:0 auto}

.section-header{text-align:center;margin-bottom:var(--spacing-3xl)}
.section-badge{display:inline-block;padding:0.5rem 1rem;background:rgba(99,102,241,0.1);color:var(--primary);border-radius:var(--radius-full);font-size:0.875rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:var(--spacing-md)}
.section-title{font-family:'Space Grotesk',sans-serif;font-size:clamp(2rem,5vw,3rem);font-weight:700;color:var(--text-dark);margin-bottom:var(--spacing-md);line-height:1.2}
.section-subtitle{font-size:1.125rem;color:var(--text-gray);max-width:700px;margin:0 auto;line-height:1.7}

/* ===== À PROPOS ===== */
.about{background:var(--bg-light)}
.about-grid{display:grid;grid-template-columns:1fr 2fr;gap:var(--spacing-3xl);align-items:start}

.about-photo{position:relative}
.photo-wrapper{position:relative;border-radius:50%;overflow:hidden;box-shadow:var(--shadow-xl);width:280px;height:280px;margin:0 auto}
.profile-photo{width:100%;height:100%;object-fit:cover;display:block;transition:var(--transition)}
.photo-wrapper:hover .profile-photo{transform:scale(1.1)}
.photo-decoration{position:absolute;top:-20px;right:-20px;width:100px;height:100px;background:var(--gradient-primary);border-radius:50%;opacity:0.7;z-index:-1}

.about-content{display:flex;flex-direction:column;gap:var(--spacing-lg)}
.about-title{font-family:'Space Grotesk',sans-serif;font-size:1.75rem;font-weight:600;color:var(--text-dark);margin-bottom:var(--spacing-md)}
.about-text{font-size:1.0625rem;color:var(--text-gray);line-height:1.7}
.about-text strong{color:var(--text-dark);font-weight:600}

.skills-tags{display:flex;flex-wrap:wrap;gap:var(--spacing-md);margin-top:var(--spacing-md)}
.skill-tag{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:0.625rem 1rem;background:var(--bg-white);border:1px solid rgba(99,102,241,0.2);border-radius:var(--radius);color:var(--text-dark);font-size:0.9375rem;font-weight:500;transition:var(--transition)}
.skill-tag:hover{background:rgba(99,102,241,0.1);border-color:var(--primary);transform:translateY(-2px)}
.skill-tag svg{color:var(--primary);flex-shrink:0}

.pix-certification{margin-top:var(--spacing-xl)}
.pix-badge{display:flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-lg);background:var(--bg-white);border:2px solid rgba(99,102,241,0.2);border-radius:var(--radius-lg);transition:var(--transition)}
.pix-badge:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.pix-icon{width:48px;height:48px;flex-shrink:0}
.pix-info{display:flex;flex-direction:column;gap:0.25rem}
.pix-info strong{font-size:1.125rem;color:var(--text-dark)}
.pix-info span{font-size:0.9375rem;color:var(--text-gray)}

/* ===== PROJETS ===== */
.projects{background:var(--bg-white)}
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:var(--spacing-2xl)}

.project-card{background:var(--bg-white);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);border:1px solid rgba(0,0,0,0.05)}
.project-card:hover{box-shadow:var(--shadow-xl);transform:translateY(-8px)}

.project-image{position:relative;width:100%;height:240px;overflow:hidden;background:var(--bg-gray)}
.project-image img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.project-card:hover .project-image img{transform:scale(1.1)}

.project-overlay{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);display:flex;align-items:center;justify-content:center;opacity:0;transition:var(--transition)}
.project-card:hover .project-overlay{opacity:1}

.project-tech{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);padding:var(--spacing-md)}
.tech-badge{padding:0.375rem 0.75rem;background:rgba(255,255,255,0.9);color:var(--text-dark);border-radius:var(--radius);font-size:0.8125rem;font-weight:600}

.project-content{padding:var(--spacing-xl)}
.project-category{display:inline-block;padding:0.25rem 0.75rem;background:rgba(99,102,241,0.1);color:var(--primary);border-radius:var(--radius);font-size:0.8125rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;margin-bottom:var(--spacing-md)}
.project-title{font-family:'Space Grotesk',sans-serif;font-size:1.375rem;font-weight:600;color:var(--text-dark);margin-bottom:var(--spacing-md);line-height:1.3}
.project-description{font-size:0.9375rem;color:var(--text-gray);line-height:1.6;margin-bottom:var(--spacing-lg)}

.project-meta{display:flex;flex-wrap:wrap;gap:var(--spacing-md);padding-top:var(--spacing-md);border-top:1px solid rgba(0,0,0,0.05);font-size:0.875rem;color:var(--text-light);margin-bottom:var(--spacing-lg)}

.project-actions{display:flex;gap:var(--spacing-sm)}
.btn-project{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:0.625rem 1.25rem;border-radius:var(--radius);font-size:0.9375rem;font-weight:500;text-decoration:none;transition:var(--transition)}
.btn-primary-project{background:linear-gradient(135deg,#6366F1,#4F46E5);color:var(--text-white)}
.btn-primary-project:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(139,92,246,0.3)}

/* ===== COMPÉTENCES ===== */
.skills-section{background:var(--bg-light)}
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-2xl)}

.skill-category{background:var(--bg-white);padding:var(--spacing-xl);border-radius:var(--radius-xl);box-shadow:var(--shadow);transition:var(--transition)}
.skill-category:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}

.skill-category-header{display:flex;align-items:center;gap:var(--spacing-md);margin-bottom:var(--spacing-xl)}
.skill-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);flex-shrink:0}
.skill-icon svg{width:24px;height:24px;color:var(--text-white)}
.skill-icon.gradient-blue{background:var(--gradient-blue)}
.skill-icon.gradient-cyan{background:var(--gradient-cyan)}
.skill-icon.gradient-purple{background:var(--gradient-purple)}
.skill-icon.gradient-pink{background:var(--gradient-pink)}

.skill-list{display:flex;flex-direction:column;gap:var(--spacing-lg)}
.skill-item{display:flex;align-items:center;justify-content:space-between;padding:1rem 1.5rem;background:var(--bg-white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);transition:var(--transition)}
.skill-item:hover{box-shadow:var(--shadow-md);transform:translateX(4px);border-color:var(--primary)}
.skill-name{font-size:1rem;font-weight:500;color:var(--text-dark);display:flex;align-items:center;gap:0.75rem}
.skill-name::before{content:"";width:8px;height:8px;background:var(--primary);border-radius:50%;opacity:0;} 

/* ===== CONTACT ===== */
.contact{background:var(--bg-white)}
.contact-container{display:grid;gap:var(--spacing-3xl)}

.contact-form{background:#fff;padding:2.5rem;border-radius:20px;box-shadow:0 18px 45px rgba(15,23,42,.08);border:1px solid rgba(15,23,42,.08)}

.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--spacing-lg);margin-bottom:var(--spacing-lg)}
.form-group{display:flex;flex-direction:column;gap:var(--spacing-sm)}
.form-group label{font-size:0.9375rem;font-weight:600;color:var(--text-dark);letter-spacing:0.3px}
.form-group input,.form-group select,.form-group textarea{padding:1rem 1.25rem;border:2px solid rgba(99,102,241,0.15);border-radius:var(--radius-lg);font-size:1rem;font-family:inherit;background:var(--bg-white);color:var(--text-dark);transition:var(--transition);box-shadow:var(--shadow-sm)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(99,102,241,0.1),var(--shadow-md);transform:translateY(-1px)}
.form-group textarea{resize:vertical;min-height:150px;line-height:1.6}
.form-group select{cursor:pointer}

/* Styles spécifiques pour le champ file réintégré */
.form-group input[type="file"]{
  padding:0.875rem 0.5rem; /* Réduit le padding pour plus d'espace */
  cursor:pointer;
  /* Assure que l'input prend toute la largeur disponible */
  width: 100%;
}
.form-group input[type="file"]::file-selector-button{
  padding:0.5rem 1rem;
  background:var(--primary);
  color:white;
  border:none;
  border-radius:var(--radius);
  cursor:pointer;
  margin-right:0.75rem;
  transition:var(--transition);
  /* Force le bouton à ne pas être trop large sur mobile */
  white-space: nowrap; 
}
.form-group input[type="file"]::file-selector-button:hover{background:var(--secondary)}


.contact-cta{text-align:center;padding:var(--spacing-2xl);background:linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);border-radius:20px;border:1px solid rgba(15,23,42,.08);box-shadow:0 12px 32px rgba(15,23,42,.06)}
.contact-cta h3{font-family:'Space Grotesk',sans-serif;font-size:1.75rem;font-weight:600;color:var(--text-dark);margin-bottom:var(--spacing-md)}
.contact-cta p{font-size:1.0625rem;color:var(--text-gray);margin-bottom:var(--spacing-xl)}

.contact-links{display:flex;flex-direction:column;gap:var(--spacing-md);max-width:400px;margin:0 auto}
.contact-link{display:inline-flex;align-items:center;gap:var(--spacing-md);padding:var(--spacing-md) var(--spacing-lg);background:var(--bg-white);border:2px solid rgba(99,102,241,0.2);border-radius:var(--radius);color:var(--text-dark);text-decoration:none;font-weight:500;transition:var(--transition)}
.contact-link:hover{background:rgba(99,102,241,0.1);border-color:var(--primary);transform:translateY(-2px)}
.contact-link svg{color:var(--primary);flex-shrink:0}

/* ===== BOUTONS ===== */
.btn{display:inline-flex;align-items:center;gap:var(--spacing-sm);padding:0.875rem 1.75rem;border:none;border-radius:var(--radius-lg);font-size:1rem;font-weight:600;text-decoration:none;cursor:pointer;transition:var(--transition);font-family:inherit;box-shadow:var(--shadow-md)}
.btn-primary{background:var(--gradient-primary);color:var(--text-white)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}
.btn-secondary{background:var(--gradient-secondary);color:var(--text-white);border:none}
.btn-secondary:hover{transform:translateY(-2px);box-shadow:var(--shadow-xl)}
.btn-outline{background:transparent;color:rgba(255,255,255,0.95);border:2px solid rgba(255,255,255,0.5);box-shadow:none}
.btn-outline:hover{background:rgba(255,255,255,0.1);border-color:var(--text-white);box-shadow:var(--shadow-md)}
.btn-block{width:100%;justify-content:center}
.contact-feedback{margin-top:1rem;min-height:1.4rem;font-size:.92rem;font-weight:500;opacity:0;transform:translateY(4px);transition:opacity .25s ease,transform .25s ease;color:#334155}
.contact-feedback.show{opacity:1;transform:translateY(0)}
.contact-feedback.success{color:#15803d}
.contact-feedback.error{color:#b91c1c}
.cf-turnstile{margin-top:0.35rem}

/* Boutons projets */
.btn-primary-project{background:linear-gradient(135deg,#8b5cf6,#7c3aed);color:var(--text-white)}
.btn-primary-project:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(139,92,246,0.3)}

/* ===== FOOTER ===== */
.footer{background:var(--bg-darker);color:rgba(255,255,255,0.8);padding:var(--spacing-2xl) var(--spacing-xl);text-align:center}
.footer-content{display:flex;flex-direction:column;gap:var(--spacing-md);align-items:center}
.footer-links{display:flex;gap:var(--spacing-lg);flex-wrap:wrap;justify-content:center}
.footer-links a{color:rgba(255,255,255,0.6);text-decoration:none;font-size:0.9375rem;transition:var(--transition)}
.footer-links a:hover{color:var(--text-white)}

/* ===== MODALES ===== */
.modal{position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;display:none;align-items:center;justify-content:center;padding:var(--spacing-xl)}
.modal-backdrop{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.7);backdrop-filter:blur(8px);cursor:pointer}
.modal-container{position:relative;background:var(--bg-white);border-radius:var(--radius-xl);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-xl);animation:modalSlideUp 0.3s ease-out}
.modal-container.large{max-width:900px}

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

.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-xl);border-bottom:1px solid rgba(0,0,0,0.05)}
.modal-header-project{position:relative;height:250px;overflow:hidden;border-radius:var(--radius-xl) var(--radius-xl) 0 0;padding:var(--spacing-xl);display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-end}
.modal-header-project img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:1}
.modal-header-project::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.6);z-index:2}
.modal-header-project h3{position:relative;z-index:3;color:white;font-size:1.75rem;font-weight:700;margin-bottom:1rem}
.modal-header-project .modal-close{position:absolute;z-index:4;top:1rem;right:1rem;background:rgba(255,255,255,0.2);color:white;border-color:rgba(255,255,255,0.4)}
.modal-header-project .modal-close:hover{background:rgba(255,255,255,0.4)}

.modal-header h3{font-family:'Space Grotesk',sans-serif;font-size:1.5rem;font-weight:600;color:var(--text-dark)}
.modal-close{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;background:rgba(0,0,0,0.05);border-radius:var(--radius);color:var(--text-gray);cursor:pointer;transition:var(--transition)}
.modal-close:hover{background:rgba(0,0,0,0.1);color:var(--text-dark)}
.modal-body{padding:var(--spacing-xl)}

.project-detail{line-height:1.7}
.project-detail h4{color:var(--primary);font-size:1.125rem;font-weight:600;margin:1.5rem 0 0.75rem 0}
.project-detail h4:first-child{margin-top:0}
.project-detail p{color:var(--text-gray);margin-bottom:1rem}
.project-detail ul,.project-detail ol{margin:0.75rem 0;padding-left:1.5rem}
.project-detail li{color:var(--text-gray);margin-bottom:0.5rem}
.project-detail li strong{color:var(--text-dark);font-weight:600}

.tech-stack{display:flex;flex-wrap:wrap;gap:var(--spacing-sm);margin-top:var(--spacing-lg)}
.tech-stack .tech-badge{padding:0.375rem 0.75rem;background:var(--bg-light);border-radius:var(--radius);font-size:0.875rem;font-weight:500;color:var(--text-dark)}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:var(--spacing-2xl)}
  .skills-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
}

@media (max-width:768px){
  :root{--sidebar-width:0}
  .sidebar{display:none;} 
  .mobile-menu-btn{display:flex;top:max(1rem, env(safe-area-inset-top));right:1rem}
  .mobile-drawer{display:block; left:-86vw; width:min(320px,86vw);} 
  .mobile-drawer.open{left:0}
  .mobile-overlay{display:block}
  .main-content{margin-left:0}
  .container,.container-small{width:100%;padding:0}
  .section{padding:2.5rem 1rem}
  .hero{min-height:92vh;padding:1.5rem 1rem}
  .hero-title{font-size:2.1rem;line-height:1.15}
  .hero-description{max-width:100%}
  .hero-cta{flex-direction:column;align-items:stretch; gap:0.75rem;}
  .hero-cta .btn{width:100%;justify-content:center}
  .projects-grid{grid-template-columns:1fr; gap: 1rem;}
  .project-content{padding:1rem}
  
  /* Correction "À propos" (Avatar) */
  .about-photo{
      width:280px;
      height:280px;
      margin: 0 auto; 
      z-index: 1; 
  }
  .photo-wrapper {
      width: 100%;
      height: 100%;
  }
  .about-grid{
      gap: 0; 
      grid-gap: 0; 
      padding-top: 1rem;
  }
  .about-content{
    text-align: center; 
    margin-top: 2.5rem; 
    display: flex; 
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg); 
  }
  .about-title {
      margin-top: 0; 
  }
  .skills-tags {
      justify-content: center;
  }
  .pix-certification {
      width: 100%;
      max-width: 400px;
  }
  
  .about-grid{grid-template-columns:1fr}
  .skills-grid{grid-template-columns:1fr}
  
  /* Correction Contact Mobile */
  .contact-form{
    padding: 1.5rem; 
  }
  .form-row{
    grid-template-columns: 1fr; 
    gap: var(--spacing-md);
  }
  .contact-container{
    gap: var(--spacing-xl); 
    /* Ajout de padding en bas pour que le contenu ne soit pas caché par le bouton de chatbot */
    padding-bottom: 70px; 
  }
  .contact-cta{
    padding: var(--spacing-xl) var(--spacing-md); 
  }
  .contact-links {
    max-width: 100%; 
  }
  
  /* Correction Chatbot Mobile - Ancrage fort et dimensions */
  .chatbot-container{
    right: 1rem; 
    bottom: 1rem;
    width: auto; 
    max-width: calc(100% - 2rem); 
    margin: 0; 
    position: fixed;
    z-index: 9998;
  }
  .chatbot-window{
    position: fixed; 
    width: calc(100% - 2rem);
    max-width: 360px; 
    right: 1rem;
    left: auto; 
    bottom: 80px;
    height: 70vh;
    border-radius: 16px 16px 0 0;
  }
  /* Correction du bouton flottant pour qu'il ne cause pas de débordement */
  .chatbot-button{
    right: 1rem;
    left: auto;
    bottom: 1rem;
    position: fixed; 
    z-index: 9999;
  }
  .chatbot-messages {
    padding-right: 0.5rem; 
  }
  .chatbot-input {
      padding: 0.5rem; 
  }
  .chatbot-suggestions {
      padding: 0.5rem 0.5rem 1rem; 
  }

  .mobile-drawer .nav-item{padding:0.9rem 1rem;min-height:48px;border-radius:0}
  .mobile-drawer .sidebar-brand{padding-top:4.5rem !important}

  .modal{padding:0.75rem}
  .modal-container{max-height:95vh;border-radius:14px}
  .modal-header-project{height:190px;padding:1rem}
  .modal-header-project h3{font-size:1.2rem;line-height:1.25}
  .modal-body{padding:1rem}

  .education-timeline{padding-left:22px}
  .timeline-dot{left:-28px}
  .timeline-content{padding:1rem}

  /* Footer mobile: éviter que le bouton chat cache les liens */
  .footer{padding-bottom:6rem}
  .footer-links{row-gap:.5rem}
}

@media (max-width:480px){ /* Cibler les très petits téléphones */
  .hero-title{
    font-size:1.8rem; 
    margin-bottom:var(--spacing-md)
  }
  .hero-subtitle{
    font-size:1.1rem; 
  }
  .hero-description{
    font-size:1rem; 
    max-width:90%;
  }
  .status-badge{
    padding:0.4rem 0.8rem;
    font-size:0.8rem;
  }
  .hero-cta .btn{
    padding: 0.75rem 1.5rem;
  }
  
  /* Correction Chatbot Full Width sur très petit écran */
  .chatbot-container{
    right: 0; 
    left: 0;
    max-width: 100%;
    bottom: 0;
    width: 100%;
    margin: 0;
  }
  .chatbot-window {
    width: 100%;
    right: 0;
    left: 0; 
  }
  /* Le bouton reste fixe à droite pour ne pas être écrasé */
  .chatbot-button{
    right: 1rem;
    left: auto;
    bottom: 1rem;
  }

  .section-title{font-size:1.6rem;line-height:1.2}
  .project-title{font-size:1.1rem}
  .project-meta{flex-direction:column;align-items:flex-start;gap:0.25rem}
  .contact-form{padding:1rem}
  .contact-link{padding:0.85rem 1rem}
  .footer{padding-bottom:6.5rem}
}

/* ===== ANIMATIONS AOS ===== */
[data-aos]{opacity:0;transition-property:opacity,transform}
[data-aos].aos-animate{opacity:1}
[data-aos="fade-up"]{transform:translateY(30px)}
[data-aos="fade-up"].aos-animate{transform:translateY(0)}
[data-aos="fade-left"]{transform:translateX(-30px)}
[data-aos="fade-left"].aos-animate{transform:translateX(0)}
[data-aos="fade-right"]{transform:translateX(30px)}
[data-aos="fade-right"].aos-animate{transform:translateX(0)}

/* ===== UTILITAIRES ===== */
.text-center{text-align:center}
.text-left{text-align:left}
.text-right{text-align:right}
.hidden{display:none!important}
.visible{display:block!important}

/* ===== CHATBOT IA (Styles Desktop) ===== */
.chatbot-container{position:fixed;bottom:20px;right:20px;z-index:9998;font-family:'Inter',sans-serif}
.chatbot-button{width:60px;height:60px;border-radius:50%;background:var(--gradient-primary);border:none;box-shadow:var(--shadow-xl);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition);animation:pulse-btn 2s ease-in-out infinite}
.chatbot-button:hover{transform:scale(1.1);box-shadow:0 8px 30px rgba(99,102,241,0.4)}
.chatbot-button svg{width:28px;height:28px;color:white}
@keyframes pulse-btn{0%,100%{box-shadow:var(--shadow-xl)}50%{box-shadow:0 8px 30px rgba(99,102,241,0.4)}}
.chatbot-window{position:absolute;bottom:80px;right:0;width:360px;height:500px;background:white;border-radius:16px;box-shadow:var(--shadow-xl);display:none;flex-direction:column;overflow:hidden}
.chatbot-window.open{display:flex;animation:slideUp 0.3s ease-out}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.chatbot-header{background:var(--gradient-primary);color:white;padding:1rem;display:flex;align-items:center;justify-content:space-between}
.chatbot-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:0.5rem}
.chatbot-close{background:rgba(255,255,255,0.2);border:none;color:white;width:28px;height:28px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.chatbot-close:hover{background:rgba(255,255,255,0.3)}
.chatbot-messages{flex:1;padding:1rem;overflow-y:auto;background:#f9fafb;display:flex;flex-direction:column;gap:0.75rem}
.chat-message{max-width:80%;padding:0.75rem 1rem;border-radius:12px;font-size:0.9375rem;line-height:1.5;animation:messageIn 0.3s ease-out}
@keyframes messageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.chat-message.bot{background:white;align-self:flex-start;border:1px solid #e5e7eb;box-shadow:var(--shadow-sm)}
.chat-message.user{background:var(--gradient-primary);color:white;align-self:flex-end}
.chat-typing{display:flex;gap:4px;padding:0.75rem 1rem;background:white;border-radius:12px;align-self:flex-start;border:1px solid #e5e7eb}
.chat-typing span{width:8px;height:8px;border-radius:50%;background:#9ca3af;animation:typing 1.4s ease-in-out infinite}
.chat-typing span:nth-child(2){animation-delay:0.2s}
.chat-typing span:nth-child(3){animation-delay:0.4s}
@keyframes typing{0%,60%,100%{transform:translateY(0)}30%{transform:translateY(-10px)}}
.chatbot-input{display:flex;gap:0.5rem;padding:1rem;border-top:1px solid #e5e7eb;background:white}
.chatbot-input input{flex:1;padding:0.75rem;border:2px solid #e5e7eb;border-radius:8px;font-size:0.9375rem;font-family:inherit;transition:var(--transition)}
.chatbot-input input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(99,102,241,0.1)}
.chatbot-input button{padding:0.75rem 1.25rem;background:var(--gradient-primary);color:white;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:var(--transition)}
.chatbot-input button:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.chatbot-suggestions{display:flex;flex-wrap:wrap;gap:0.5rem;padding:0 1rem 1rem;background:#f9fafb}
.suggestion-chip{padding:0.5rem 0.75rem;background:white;border:1px solid #e5e7eb;border-radius:20px;font-size:0.8125rem;cursor:pointer;transition:var(--transition)}
.suggestion-chip:hover{background:rgba(99,102,241,0.1);border-color:var(--primary)}

/* --- Section Education Timeline --- */
.education {
    background: var(--bg-light); /* Ou une couleur très légèrement différente pour séparer les sections */
    padding: 100px 0;
}

.education-timeline {
    max-width: 800px;
    margin: 40px auto 0;
    position: relative;
    padding-left: 30px;
}

/* La ligne verticale */
.education-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 2px;
    height: 100%;
    background: linear-gradient(to bottom, #6366f1, #a855f7);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

/* Le point sur la ligne */
.timeline-dot {
    position: absolute;
    left: -36px;
    top: 5px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: white;
    border: 3px solid #6366f1;
    z-index: 2;
}

.timeline-date {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: #6366f1;
    font-size: 0.9rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-content {
    background: white;
    padding: 25px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.03);
    transition: transform 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 5px;
}

.timeline-institution {
    font-weight: 600;
    color: #64748b;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.timeline-description {
    color: #475569;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 768px) {
    .education-timeline {
        margin-left: 10px;
    }
}

/* ===== UI ENHANCEMENTS V3 ===== */
html{scroll-behavior:smooth}

.section-header{margin-bottom:2.2rem}
.section-badge{
  letter-spacing:.4px;
  box-shadow:0 8px 24px rgba(99,102,241,.18);
}

.btn{
  transition:transform .25s ease,box-shadow .25s ease,filter .25s ease;
}
.btn:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(99,102,241,.25);
  filter:saturate(1.08);
}

.hero::after{
  content:'';
  position:absolute;
  inset:0;
  background:radial-gradient(60% 60% at 50% 30%,rgba(99,102,241,.14),transparent 70%);
  pointer-events:none;
  z-index:1;
}

.project-card{
  position:relative;
  border:1px solid rgba(99,102,241,.1);
}
.project-card::before{
  content:'';
  position:absolute;
  inset:0;
  border-radius:inherit;
  padding:1px;
  background:linear-gradient(135deg,rgba(99,102,241,.35),rgba(139,92,246,.25),rgba(6,182,212,.2));
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  opacity:0;
  transition:opacity .25s ease;
  pointer-events:none;
}
.project-card:hover::before{opacity:1}
.project-image img{transition:transform .5s ease,filter .35s ease}
.project-card:hover .project-image img{filter:saturate(1.08) contrast(1.02)}

.skill-category,
.contact-form,
.contact-cta,
.timeline-content{
  border:1px solid rgba(99,102,241,.08);
  box-shadow:0 10px 28px rgba(15,23,42,.05);
}

.nav-item.active,
.mobile-drawer .nav-item.active{
  box-shadow:0 8px 20px rgba(99,102,241,.25);
}

.contact-link{
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.contact-link:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 20px rgba(15,23,42,.08);
  border-color:rgba(99,102,241,.3);
}

.footer{
  border-top:1px solid rgba(99,102,241,.12);
  background:linear-gradient(180deg,#ffffff 0%,#f8fafc 100%);
}

@media (max-width:768px){
  .section-header{margin-bottom:1.5rem}
  .project-card:hover{transform:none}
}

/* ===== UI POLISH V4 (same DA) ===== */
:root{
  --soft-ring:0 0 0 3px rgba(99,102,241,.12);
}

.section-title{
  text-wrap:balance;
}

.section-subtitle{
  max-width:760px;
  margin:0 auto;
}

.status-badge{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.28);
  box-shadow:0 10px 30px rgba(15,23,42,.18);
}

.skill-category,
.project-card,
.contact-form,
.contact-cta,
.timeline-content{
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}

.skill-category:hover,
.timeline-content:hover{
  transform:translateY(-4px);
  box-shadow:0 14px 36px rgba(15,23,42,.09);
}

.form-group input::placeholder,
.form-group textarea::placeholder{
  color:#8b95a7;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus{
  box-shadow:var(--soft-ring),var(--shadow-md);
}

.contact-form{
  background:
    linear-gradient(180deg,rgba(255,255,255,.86),rgba(255,255,255,.76)),
    radial-gradient(120% 100% at 100% 0%,rgba(99,102,241,.10),transparent 58%),
    radial-gradient(90% 90% at 0% 100%,rgba(139,92,246,.10),transparent 50%);
}

.btn-primary{
  background:linear-gradient(135deg,#6366f1 0%,#4f46e5 55%,#7c3aed 100%);
}

.btn-primary svg,
.btn-primary-project svg{
  transition:transform .2s ease;
}

.btn-primary:hover svg,
.btn-primary-project:hover svg{
  transform:translateX(2px) rotate(-8deg);
}

.footer-links a{
  position:relative;
}
.footer-links a::after{
  content:'';
  position:absolute;
  left:0;
  bottom:-3px;
  width:0;
  height:2px;
  background:linear-gradient(90deg,#6366f1,#8b5cf6);
  transition:width .25s ease;
}
.footer-links a:hover::after{width:100%}

@media (max-width:768px){
  .skill-category:hover,
  .timeline-content:hover{transform:none}
  .section-subtitle{max-width:100%}
}