:root{
    --bg:#050816;
    --card:rgba(255,255,255,0.05);
    --border:rgba(255,255,255,0.1);
    --blue:#3b82f6;
    --cyan:#22d3ee;
    --text:#e5e7eb;
    --muted:#94a3b8;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins', sans-serif;
    scroll-behavior:smooth;
}

body{
    background:var(--bg);
    color:var(--text);
    overflow-x:hidden;
}

body::before{
    content:"";
    position:fixed;
    width:400px;
    height:400px;
    background:var(--blue);
    filter:blur(150px);
    top:-100px;
    left:-100px;
    opacity:0.3;
    z-index:-1;
}

body::after{
    content:"";
    position:fixed;
    width:400px;
    height:400px;
    background:var(--cyan);
    filter:blur(150px);
    bottom:-100px;
    right:-100px;
    opacity:0.3;
    z-index:-1;
}

nav{
    position:fixed;
    width:100%;
    top:0;
    left:0;
    display:flex;
    justify-content:space-between;
    align-items:center;
    background:rgba(0,0,0,0.3);
    backdrop-filter:blur(15px);
    border-bottom:1px solid var(--border);
    padding:15px 10%;
    z-index:1000;
}

nav ul{
    display:flex;
    justify-content:center;
    gap:30px;
    list-style:none;
    flex-wrap:wrap;
    margin:0;
}

.theme-toggle{
    padding:10px 16px;
    border-radius:999px;
    border:1px solid rgba(255,255,255,0.15);
    background:rgba(255,255,255,0.08);
    color:var(--text);
    cursor:pointer;
    font-size:1rem;
    transition:background 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.theme-toggle:hover{
    background:rgba(255,255,255,0.15);
    transform:translateY(-1px);
}

body.light{
    --bg:#f7f9fc;
    --card:#ffffff;
    --border:rgba(15,23,42,0.12);
    --blue:#1d4ed8;
    --cyan:#0ea5e9;
    --text:#0f172a;
    --muted:#475569;
}

body.light nav{
    background:rgba(255,255,255,0.8);
    border-bottom:1px solid rgba(15,23,42,0.08);
}

body.light .btn{
    background:linear-gradient(135deg,var(--blue),var(--cyan));
}

body.light .hero{
    background:linear-gradient(180deg,#dbeafe 0%,#e0f2fe 65%,#f7f9fc 100%);
}

body.light .project-card,
body.light .skill,
body.light .contact-info,
body.light .contact-form input,
body.light .contact-form textarea{
    background:#ffffff;
}

body.light .contact-form input,
body.light .contact-form textarea{
    border:1px solid rgba(15,23,42,0.12);
}

body.light .theme-toggle{
    color:var(--text);
    background:rgba(15,23,42,0.08);
    border-color:rgba(15,23,42,0.12);
}

nav a{
    color:var(--text);
    text-decoration:none;
    font-weight:500;
}

nav a:hover{
    color:var(--cyan);
}

.logo{
    color:var(--text);
    font-weight:700;
    font-size:1.05rem;
    text-transform:uppercase;
    letter-spacing:0.12em;
}

.nav-links{
    display:flex;
    align-items:center;
}

.nav-actions{
    display:flex;
    align-items:center;
    gap:0.85rem;
}

.menu-toggle{
    display:none;
    padding:10px 12px;
    border-radius:14px;
    border:1px solid rgba(255,255,255,0.15);
    background:rgba(255,255,255,0.08);
    color:var(--text);
    cursor:pointer;
    font-size:1.1rem;
}

.nav-links.active{
    display:block;
    position:absolute;
    top:72px;
    left:10%;
    right:10%;
    background:rgba(0,0,0,0.78);
    backdrop-filter:blur(18px);
    border:1px solid rgba(255,255,255,0.12);
    border-radius:22px;
    padding:1rem 1.2rem;
}

.nav-links.active ul{
    flex-direction:column;
    gap:18px;
}

.hero{
    min-height:100vh;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
    padding:140px 20px 80px;
}

.hero img{
    width:150px;
    height:150px;
    border-radius:50%;
    border:3px solid var(--cyan);
    object-fit:cover;
}

.hero h1{
    font-size:3rem;
    margin-top:20px;
}

.typing{
    color:var(--cyan);
    font-weight:600;
    margin-top:10px;
    min-height:1.4rem;
}

.hero p{
    max-width:700px;
    margin-top:15px;
    color:var(--muted);
    line-height:1.8;
}

.btn{
    margin-top:25px;
    padding:12px 25px;
    border-radius:30px;
    background:linear-gradient(135deg,var(--blue),var(--cyan));
    color:white;
    text-decoration:none;
    font-weight:600;
    transition:transform .3s ease;
}

.btn:hover{
    transform:scale(1.05);
}

section{
    padding:100px 10%;
}

.title{
    text-align:center;
    font-size:2rem;
    margin-bottom:40px;
    color:var(--cyan);
}

.skills{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:20px;
}

.skill{
    position:relative;
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.15);
    padding:1.5rem;
    border-radius:24px;
    box-shadow:0 24px 50px rgba(0,0,0,0.12);
    transition:transform .3s ease, border-color .3s ease;
}

.skill:hover{
    transform:translateY(-6px);
    border-color:var(--cyan);
}

.skill h3{
    margin:0 0 0.75rem;
    color:var(--text);
    font-size:1.15rem;
}

.skill-value{
    margin-top:0.85rem;
    color:var(--cyan);
    font-weight:700;
}

.bar{
    height:12px;
    background:rgba(255,255,255,0.08);
    border-radius:999px;
    margin-top:0.75rem;
    overflow:hidden;
}

.bar span{
    display:block;
    height:100%;
    width:100%;
    border-radius:999px;
    background:linear-gradient(90deg,var(--blue),var(--cyan));
}

.projects{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:24px;
}

.project-card{
    position:relative;
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.15);
    padding:2rem;
    border-radius:24px;
    box-shadow:0 30px 60px rgba(0,0,0,0.12);
    transition:transform .35s ease, border-color .35s ease, box-shadow .35s ease;
}

.project-card::before{
    content:"";
    position:absolute;
    top:1.5rem;
    left:1.5rem;
    width:40px;
    height:4px;
    border-radius:999px;
    background:linear-gradient(90deg,var(--blue),var(--cyan));
}

.project-card h3{
    margin-top:0;
    margin-bottom:1rem;
    color:var(--text);
    font-size:1.25rem;
}

.project-card p{
    margin:0;
    color:var(--muted);
    line-height:1.8;
}

.project-card:hover{
    transform:translateY(-12px);
    border-color:var(--cyan);
    box-shadow:0 40px 80px rgba(0,0,0,0.18);
}

.contact{
    text-align:center;
    line-height:2;
    color:var(--muted);
}

footer{
    text-align:center;
    padding:20px;
    border-top:1px solid var(--border);
    color:var(--muted);
}

.hidden{
    opacity:0;
    transform:translateY(40px) scale(0.98);
    visibility:hidden;
    transition:opacity 0.75s ease, transform 0.75s ease, visibility 0.75s ease;
    will-change: opacity, transform;
}

.show{
    opacity:1;
    transform:translateY(0) scale(1);
    visibility:visible;
}

@media (max-width: 850px){
    nav{
        padding:15px 6%;
    }
    .hero h1{
        font-size:2.4rem;
    }
    section{
        padding:80px 6%;
    }
}

@media (max-width: 760px){
    nav{
        padding:15px 5%;
    }
    .nav-links{
        display:none;
        width:100%;
    }
    .menu-toggle{
        display:inline-flex;
    }
    .nav-actions{
        gap:0.5rem;
    }
    .nav-links.active{
        position:static;
        margin-top:1rem;
        background:rgba(0,0,0,0.75);
    }
    .nav-links.active ul{
        gap:14px;
    }
    .hero{
        padding-top:120px;
    }
    .hero h1{
        font-size:2rem;
    }
    .projects,
    .skills,
    .contact-grid{
        grid-template-columns:1fr;
    }
}

@media (max-width: 600px){
    nav ul{
        gap:12px;
    }
    .hero{
        padding-top:110px;
    }
    .hero h1{
        font-size:1.85rem;
    }
    section{
        padding:60px 5%;
    }
}

.contact-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:2rem;
  align-items:start;
  max-width:1100px;
  margin:0 auto;
}

.contact-info{
  background:rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.12);
  padding:2rem;
  border-radius:24px;
  box-shadow:0 20px 40px rgba(0,0,0,0.12);
}

.contact-info p{
  color:var(--text);
  margin-bottom:1.5rem;
  line-height:1.8;
}

.contact-item{
  display:flex;
  align-items:center;
  gap:0.9rem;
  margin-bottom:1rem;
  color:var(--text);
  font-weight:500;
}

.contact-item span{
  display:inline-flex;
  width:2.4rem;
  height:2.4rem;
  align-items:center;
  justify-content:center;
  border-radius:14px;
  background:rgba(59,130,246,0.18);
  color:var(--cyan);
}

.contact-item a{
  color:var(--text);
  text-decoration:none;
}

.contact-form{
  display:flex;
  flex-direction:column;
  gap:1rem;
}

.contact-form input,
.contact-form textarea{
  width:100%;
  padding:16px 18px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,0.12);
  background:rgba(255,255,255,0.06);
  color:var(--text);
  outline:none;
  transition:border-color 0.2s ease, transform 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus{
  border-color:var(--cyan);
  transform:translateY(-1px);
}

.contact-form button{
  width:fit-content;
  padding:14px 26px;
  border:none;
  border-radius:999px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#fff;
  font-weight:700;
  cursor:pointer;
  transition:transform 0.2s ease;
}

.form-feedback{
  color:var(--cyan);
  margin-top:0.75rem;
  font-weight:700;
  opacity:0;
  transform:translateY(8px);
  transition:opacity 0.3s ease, transform 0.3s ease;
}

.form-feedback.visible{
  opacity:1;
  transform:translateY(0);
}

.evaluation-card{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.14);
  border-radius:32px;
  padding:2.5rem;
  max-width:1000px;
  margin:0 auto;
  box-shadow:0 30px 80px rgba(0,0,0,0.18);
  backdrop-filter:blur(20px);
}

.evaluation-header{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  align-items:flex-start;
  margin-bottom:1.2rem;
  flex-wrap:wrap;
}

.evaluation-label{
  margin:0;
  color:var(--cyan);
  font-size:0.9rem;
  text-transform:uppercase;
  letter-spacing:0.16em;
}

.evaluation-card h3{
  margin:0.4rem 0 0;
  font-size:1.4rem;
  color:var(--text);
}

.evaluation-badge{
  display:inline-flex;
  padding:0.6rem 1rem;
  border-radius:999px;
  background:rgba(34,211,238,0.12);
  color:var(--cyan);
  font-weight:700;
  font-size:0.9rem;
}

.evaluation-text{
  margin:0 0 1.5rem;
  color:var(--muted);
  line-height:1.8;
  max-width:760px;
}

.evaluation-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0 12px;
  margin-bottom:1.6rem;
}

.evaluation-table th,
.evaluation-table td{
  padding:16px 18px;
  border:0;
  color:var(--text);
  text-align:left;
  background:rgba(255,255,255,0.04);
}

.evaluation-table th{
  background:rgba(255,255,255,0.1);
  color:var(--cyan);
  font-size:0.95rem;
  letter-spacing:0.04em;
}

.evaluation-table tr{
  border-radius:20px;
  overflow:hidden;
}

.evaluation-table td{
  border-bottom:1px solid rgba(255,255,255,0.08);
}

.evaluation-table select{
  width:100%;
  padding:12px 14px;
  border-radius:18px;
  border:1px solid rgba(255,255,255,0.16);
  background:rgba(255,255,255,0.08);
  color:var(--text);
}

.evaluation-input{
  width:100%;
  padding:14px 16px;
  margin-bottom:1.25rem;
  border-radius:18px;
  border:1px solid rgba(255,255,255,0.16);
  background:rgba(255,255,255,0.08);
  color:var(--text);
  outline:none;
}

.evaluation-input::placeholder{
  color:rgba(229,231,235,0.7);
}

.evaluation-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:1rem;
  justify-content:space-between;
}

.evaluation-result{
  color:var(--cyan);
  font-weight:700;
  margin:0;
}

.evaluation-form .btn{
  min-width:160px;
}

@media (max-width: 860px){
  .contact-grid{
    grid-template-columns:1fr;
  }
  .evaluation-table th,
  .evaluation-table td{
    padding:12px 10px;
  }
  .evaluation-actions{
    justify-content:flex-start;
  }
}

.contact-form button:hover{
  transform:scale(1.02);
}

@media (max-width: 860px){
  .contact-grid{
    grid-template-columns:1fr;
  }
}
/* --- Style Général du Formulaire --- */
.evaluation-form {
    max-width: 450px;
    margin: 40px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333333;
}

/* --- Groupes de champs (Espacement) --- */
.form-group {
    margin-bottom: 24px;
}

/* --- Style des Libellés (Labels) --- */
.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    color: #4a5568;
}

/* --- Inputs Texte & Textarea --- */
.evaluation-input, 
.evaluation-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-sizing: border-box; /* Évite que le champ dépasse du cadre */
    background-color: #f8fafc;
}

.evaluation-input:focus, 
.evaluation-textarea:focus {
    outline: none;
    border-color: #4f46e5; /* Couleur indigo moderne au clic */
    background-color: #ffffff;
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.evaluation-textarea {
    resize: vertical; /* Permet d'agrandir seulement vers le bas */
    min-height: 100px;
}

/* --- Zone de notation (Boutons Radio en Étoiles) --- */
.rating-container {
   
    gap: 8px;
    margin-top: 5px;
}

.rating-label {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 8px;
    background-color: #f1f5f9;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.rating-label:hover {
    background-color: #e2e8f0;
    border-color: #cbd5e1;
}

/* Style quand une note est cochée */
.rating-label input[type="radio"]:checked + span,
.rating-label:has(input[type="radio"]:checked) {
    background-color: #fef9c3; /* Fond jaune clair */
    border-color: #f59e0b;     /* Bordure orange/or */
    color: #b45309;            /* Texte orange foncé */
}

/* Cache le petit rond de radio par défaut pour un look plus propre */
.rating-label input[type="radio"] {
    accent-color: #f59e0b;
    cursor: pointer;
}

/* --- Bouton Soumettre --- */
.submit-btn {
    width: 100%;
    padding: 14px;
    background-color: #4f46e5; /* Indigo */
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.submit-btn:hover {
    background-color: #4338ca;
}

.submit-btn:active {
    transform: scale(0.98); /* Léger effet d'enfoncement au clic */
}

#topBtn{position:fixed;right:20px;bottom:20px;padding:10px}