:root {
    --primary: #38bdf8;
    --bg: #070b14;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; scroll-behavior: smooth; }
body { background: var(--bg); color: white; overflow-x: hidden; }

.navbar { 
    position: fixed; top: 25px; left: 50%; transform: translateX(-50%); 
    z-index: 1000; background: rgba(15, 23, 42, 0.8); 
    backdrop-filter: blur(15px); border: 1px solid var(--border); 
    padding: 8px 15px; border-radius: 50px; 
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-group { display: flex; align-items: center; gap: 5px; }
.nav-separator { width: 1px; height: 20px; background: var(--border); margin: 0 10px; }

.nav-item { 
    color: white; text-decoration: none; padding: 10px 20px; 
    font-size: 0.85rem; border-radius: 30px; transition: 0.3s; opacity: 0.6;
}
.nav-item:hover, .nav-item.active { opacity: 1; background: var(--primary); color: #000; font-weight: 700; box-shadow: 0 0 15px var(--primary); }
.dropdown { 
    position: relative; 
    display: flex;
    align-items: center;
    height: 100%; 
}

.dropdown-content {
    display: none;
    position: absolute;
    top: 100%; 
    left: 0;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(15px);
    min-width: 200px;
    border: 1px solid var(--border);
    border-radius: 15px;
    padding: 10px;
    margin-top: 0; 
    padding-top: 15px; 
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.dropdown:hover .dropdown-content { 
    display: block; 
}
.dropdown::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 20px; 
}

.dropdown-content a {
    color: #94a3b8;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    font-size: 0.85rem;
    border-radius: 10px;
    transition: 0.3s;
}

.dropdown-content a i { color: var(--primary); width: 20px; }
.dropdown-content a:hover { background: var(--primary); color: #000; }

.hero { height: 100vh; display: flex; justify-content: center; align-items: center; position: relative; }
.hero-container { width: 90%; max-width: 950px; }
.main-profile { padding: 45px; border-radius: 35px; border: 1px solid var(--border); background: var(--glass); backdrop-filter: blur(20px); position: relative; }
.profile-header { display: flex; align-items: center; gap: 35px; margin-bottom: 30px; }
.titles h1 { font-size: 2.8rem; letter-spacing: -1px; margin-bottom: 10px;}

.btn-cv {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--primary); color: #000; padding: 10px 20px;
    border-radius: 12px; text-decoration: none; font-weight: 700;
    font-size: 0.9rem; transition: 0.3s;
}
.btn-cv:hover { transform: translateY(-3px); box-shadow: 0 5px 20px rgba(56, 189, 248, 0.4); }

.role { color: var(--primary); font-weight: 700; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 2px; }
.profile-body { display: grid; grid-template-columns: 1.6fr 1fr; gap: 30px; }
.bio-box { background: rgba(255,255,255,0.02); padding: 25px; border-radius: 20px; border: 1px solid var(--border); line-height: 1.7; color: #cbd5e1; }
.stat-item { background: var(--glass); padding: 18px; border-radius: 18px; border: 1px solid var(--primary); margin-bottom: 15px; }
.label { display: block; font-size: 0.65rem; color: var(--primary); font-weight: 800; text-transform: uppercase; }

.neon-wrapper { position: relative; width: 130px; height: 130px; border-radius: 25px; overflow: hidden; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.neon-wrapper::before { content: ''; position: absolute; width: 60px; height: 250%; background: linear-gradient(var(--primary), transparent); animation: rotate 4s linear infinite; }
.neon-wrapper::after { content: ''; position: absolute; inset: 4px; background: #0b0f1a; border-radius: 21px; }
.profile-pic { width: 115px; height: 115px; border-radius: 18px; z-index: 2; object-fit: cover; }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

.edu-timeline { border-left: 2px solid var(--primary); padding-left: 35px; margin-bottom: 40px; }
.edu-item { position: relative; margin-bottom: 45px; }
.edu-item::before { content: ''; position: absolute; left: -42px; top: 6px; width: 12px; height: 12px; background: var(--primary); border-radius: 50%; box-shadow: 0 0 10px var(--primary); }
.date { font-weight: 700; color: var(--primary); font-size: 0.9rem; margin-bottom: 5px; display: block; }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 25px; }
.project-card { background: var(--glass); border: 1px solid var(--border); padding: 30px; border-radius: 25px; transition: 0.3s; display: flex; flex-direction: column; }
.project-card:hover { border-color: var(--primary); transform: translateY(-5px); }
.card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 15px; }
.project-status { font-size: 0.65rem; font-weight: 800; padding: 4px 10px; border-radius: 8px; text-transform: uppercase; }
.tag-success { background: rgba(52, 211, 153, 0.1); color: #34d399; }
.tag-project { background: rgba(56, 189, 248, 0.1); color: var(--primary); }
.project-desc { font-size: 0.9rem; color: #94a3b8; line-height: 1.5; margin-bottom: 20px; }
.tech-list { display: flex; gap: 10px; list-style: none; flex-wrap: wrap; margin-bottom: 20px; }
.tech-list li { font-size: 0.75rem; color: var(--primary); font-weight: 600; }
.btn-project-link { border: 1px solid var(--primary); color: var(--primary); text-decoration: none; padding: 10px; border-radius: 10px; text-align: center; font-size: 0.8rem; transition: 0.3s; margin-top: auto; }
.btn-project-link:hover { background: var(--primary); color: #000; }

.exp-timeline { position: relative; border-left: 2px solid var(--primary); padding-left: 40px; margin-left: 10px; }
.exp-item { position: relative; margin-bottom: 40px; }
.exp-dot { position: absolute; left: -49px; top: 20px; width: 16px; height: 16px; background: var(--bg); border: 3px solid var(--primary); border-radius: 50%; z-index: 5; }
.mission-card { background: var(--glass); border: 1px solid var(--border); padding: 25px; border-radius: 20px; transition: 0.3s; }
.mission-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.mission-sub { display: flex; gap: 20px; color: var(--primary); font-weight: 600; font-size: 0.85rem; margin-bottom: 10px; }
.role-text { font-weight: 700; color: white; margin-bottom: 10px; }

.tag { padding: 4px 12px; border-radius: 20px; font-size: 0.7rem; font-weight: 800; text-transform: uppercase; }
.tag-alternance { color: var(--primary); border: 1px solid var(--primary); }
.tag-stage { color: #a78bfa; border: 1px solid #a78bfa; }
.tag-saisonnier { color: #34d399; border: 1px solid #34d399; }
.task-list { padding-left: 20px; color: #cbd5e1; font-size: 0.9rem; }

section { padding: 80px 10%; max-width: 1200px; margin: 0 auto; }
.section-title { font-size: 1.8rem; color: var(--primary); margin-bottom: 50px; text-transform: uppercase; letter-spacing: 2px; }
.section-divider { height: 1px; width: 80%; margin: 40px auto; background: linear-gradient(90deg, transparent, var(--primary), transparent); opacity: 0.3; }
.certs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 15px; }
.cert-card { background: var(--glass); border: 1px solid var(--border); padding: 20px; border-radius: 20px; display: flex; justify-content: space-between; align-items: center; }
.btn-cert { background: var(--primary); color: #000; padding: 6px 12px; border-radius: 8px; text-decoration: none; font-weight: bold; font-size: 0.7rem; }

.footer { background: #020617; border-top: 1px solid var(--border); padding: 80px 10% 30px; margin-top: 100px; width: 100%; }
.footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 50px; }
.f-logo { font-size: 1.8rem; margin-bottom: 15px; letter-spacing: -1px; }
.f-logo span { color: var(--primary); }
.footer-col h4 { color: var(--primary); text-transform: uppercase; font-size: 0.9rem; letter-spacing: 1.5px; margin-bottom: 25px; font-weight: 700; }
.f-text { color: #94a3b8; font-size: 0.9rem; margin-bottom: 5px; }
.enseignant-box { margin-top: 20px; padding: 10px 15px; background: rgba(255, 255, 255, 0.02); border-radius: 10px; border: 1px solid var(--primary); }
.f-links { list-style: none; }
.f-links li { margin-bottom: 15px; }
.f-links a { color: #94a3b8; text-decoration: none; font-size: 0.95rem; display: flex; align-items: center; gap: 12px; transition: all 0.3s ease; }
.f-links a i { color: var(--primary); font-size: 1rem; transition: 0.3s; }
.f-links a:hover { color: var(--primary); transform: translateX(8px); text-shadow: 0 0 10px rgba(56, 189, 248, 0.5); }
.v-tag { font-size: 0.75rem; color: #475569; margin-top: 20px; }
.footer-bottom { text-align: center; margin-top: 60px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, 0.05); }
.footer-bottom p { color: #475569; font-size: 0.8rem; }

.btn-group { display: flex; gap: 12px; margin-top: 15px; }
.btn-school, .btn-modal { border: 1px solid var(--primary); color: var(--primary); padding: 8px 18px; border-radius: 10px; text-decoration: none; font-size: 0.75rem; background: transparent; cursor: pointer; transition: 0.3s; }
.btn-school:hover, .btn-modal:hover { background: var(--primary); color: black; font-weight: bold; }

.modal { display: none; position: fixed; z-index: 2000; inset: 0; background: rgba(0,0,0,0.85); backdrop-filter: blur(8px); }
.modal-content { background: #0f172a; margin: 12vh auto; padding: 45px; width: 90%; max-width: 550px; border-radius: 30px; border: 1px solid var(--primary); position: relative; }
.close { position: absolute; right: 25px; top: 20px; font-size: 30px; cursor: pointer; color: var(--primary); }

.reveal { opacity: 0; transform: translateY(40px); transition: 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }

.scroll-indicator { position: absolute; bottom: 35px; display: flex; flex-direction: column; align-items: center; text-decoration: none; color: white; opacity: 0.4; }
.mouse-body { width: 22px; height: 38px; border: 2px solid white; border-radius: 12px; position: relative; margin-bottom: 10px; }
.wheel { width: 4px; height: 8px; background: var(--primary); border-radius: 2px; position: absolute; left: 50%; top: 6px; transform: translateX(-50%); animation: scroll 1.5s infinite; }
@keyframes scroll { 0% { transform: translate(-50%, 0); opacity: 1; } 100% { transform: translate(-50%, 15px); opacity: 0; } }

.top-actions { position: absolute; top: 30px; right: 30px; display: flex; gap: 10px; }
.btn-top { display: inline-flex; align-items: center; gap: 8px; background: rgba(56, 189, 248, 0.1); border: 1px solid var(--primary); color: var(--primary); padding: 8px 15px; border-radius: 10px; text-decoration: none; font-weight: 700; font-size: 0.8rem; transition: 0.3s; }
.btn-top:hover { background: var(--primary); color: #000; transform: translateY(-2px); box-shadow: 0 5px 15px rgba(56, 189, 248, 0.3); }

.skills-horizontal { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid var(--border); }
.skills-used { margin-top: 15px; }
.skill-tag { background: rgba(56, 189, 248, 0.08); color: var(--primary); border: 1px solid rgba(56, 189, 248, 0.2); padding: 4px 10px; border-radius: 6px; font-size: 0.8rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; transition: 0.3s; }
.skill-tag:hover { background: var(--primary); color: #000; transform: translateY(-2px); }
.desc-text { line-height: 1.7; color: #cbd5e1; font-size: 0.95rem; }

.settings-menu { position: fixed; bottom: 30px; right: 30px; z-index: 2000; display: flex; flex-direction: column; align-items: flex-end; gap: 15px; }
.settings-toggle { width: 50px; height: 50px; background: var(--primary); border: none; border-radius: 50%; color: #000; font-size: 1.5rem; cursor: pointer; box-shadow: 0 0 15px var(--primary); transition: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275); display: flex; justify-content: center; align-items: center; animation: float 3s ease-in-out infinite; }
.settings-toggle:hover { transform: rotate(90deg) scale(1.1); animation-play-state: paused; }
.settings-toggle i { animation: rotateIcon 8s linear infinite; }
.settings-options { display: none; flex-direction: column; gap: 10px; background: var(--glass); backdrop-filter: blur(15px); border: 1px solid var(--border); padding: 15px; border-radius: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.5); animation: slideUp 0.3s ease-out; }
.settings-options.active { display: flex; }
.settings-item { display: flex; align-items: center; gap: 12px; color: white; background: rgba(255,255,255,0.05); border: 1px solid var(--border); padding: 10px 15px; border-radius: 12px; cursor: pointer; text-decoration: none; transition: 0.3s; font-size: 0.9rem; border: none; }
.settings-item i { color: var(--primary); width: 20px; text-align: center; }
.lang-link { color: white; text-decoration: none; font-weight: 700; transition: 0.3s; padding: 2px 5px; border-radius: 4px; }
.lang-link:hover { background: var(--primary); color: #000 !important; }

body.light-theme { --bg: #f8fafc; --glass: rgba(0, 0, 0, 0.05); --border: rgba(0, 0, 0, 0.1); }
body.light-theme .glass-card, body.light-theme .mission-card, body.light-theme .project-card, body.light-theme .cidr-container, body.light-theme .ip-container, body.light-theme .bio-box { color: #1e293b; background: rgba(0, 0, 0, 0.02); }
body.light-theme h1, body.light-theme h2, body.light-theme h3 { color: #0f172a; }
body.light-theme .settings-item, body.light-theme .lang-link { color: #1e293b; }

@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float { 0% { transform: translateY(0px); } 50% { transform: translateY(-10px); } 100% { transform: translateY(0px); } }
@keyframes rotateIcon { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

@media (max-width: 1024px) {
    .profile-body { grid-template-columns: 1fr; }
    .hero { height: auto; padding: 120px 0 50px; }
}

@media (max-width: 768px) {
    .navbar { width: 95%; top: 15px; padding: 5px; }
    .nav-item { padding: 8px 12px; font-size: 0.75rem; }
    .nav-separator { margin: 0 5px; }
    
    .profile-header { flex-direction: column; text-align: center; gap: 20px; }
    .neon-wrapper { width: 110px; height: 110px; }
    .profile-pic { width: 95px; height: 95px; }
    .titles h1 { font-size: 2rem; }
    
    .top-actions { position: relative; top: 0; right: 0; justify-content: center; margin-bottom: 20px; }
    .main-profile { padding: 25px; border-radius: 25px; }
    
    .section-title { font-size: 1.4rem; margin-bottom: 30px; }
    section { padding: 50px 5%; }
    
    .mission-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .mission-sub { flex-direction: column; gap: 5px; }
    
    .footer-container { grid-template-columns: 1fr; gap: 30px; text-align: center; }
    .f-links a { justify-content: center; }
    
    .settings-menu { bottom: 20px; right: 20px; }
    
    .edu-timeline, .exp-timeline { padding-left: 25px; }
    .edu-item::before { left: -31px; }
    .exp-dot { left: -34px; }
    
    .modal-content { padding: 25px; margin: 10vh auto; }
}

@media (max-width: 480px) {
    .navbar { border-radius: 25px; }
    .nav-group:first-child { display: none; }
    .nav-separator { display: none; }
    .titles h1 { font-size: 1.6rem; }
    .btn-top { font-size: 0.7rem; padding: 6px 10px; }
}