/* style.css - Version Améliorée */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #0B192C; /* Bleu marine A2Ω */
    --secondary-color: #3b82f6; /* Bleu accent */
    --secondary-hover: #2563eb;
    --bg-color: #f1f5f9; /* Gris très clair légèrement bleuté */
    --text-color: #334155;
    --text-light: #64748b;
    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif; /* Nouvelle police plus moderne */
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.7;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background-image: radial-gradient(var(--secondary-color) 0.5px, transparent 0.5px);
    background-size: 20px 20px;
    background-color: #f8fafc;
}

/* En-tête et Navigation */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px); /* Effet verre dépoli */
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

nav {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.6rem;
    color: var(--primary-color);
    text-decoration: none;
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo img {
    height: 70px; /* Hauteur ajustée pour ne pas déformer le menu */
    width: auto;
    object-fit: contain;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
    padding-bottom: 4px;
}

/* Animation de soulignement du menu */
.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--primary-color);
}

.nav-links a:hover::after, .nav-links a.active::after {
    width: 100%;
}

/* Contenu principal */
main {
    flex: 1;
    max-width: 900px;
    margin: 3rem auto;
    padding: 0 2rem;
    width: 100%;
    animation: fadeIn 0.6s ease-out; /* Animation d'apparition */
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

h1 {
    color: var(--primary-color);
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

h2 {
    color: var(--primary-color);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 2.5rem;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

h2::before {
    content: '';
    display: inline-block;
    width: 8px;
    height: 24px;
    background-color: var(--secondary-color);
    border-radius: 4px;
}

p {
    margin-bottom: 1.2rem;
    font-size: 1.05rem;
    color: #475569;
}

/* Boîtes de contenu (Cards) */
.card {
    background-color: var(--white);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 1px solid rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Listes stylisées */
ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    font-size: 1.05rem;
}

ul li::before {
    content: '→';
    color: var(--secondary-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Projets */
.projet {
    background-color: var(--bg-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--secondary-color);
}

.projet img {
    transition: transform 0.3s ease;
}

.projet img:hover {
    transform: scale(1.02);
}

/* Boutons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.8rem 1.8rem;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-top: 1rem;
    box-shadow: 0 4px 6px rgba(11, 25, 44, 0.2);
}

.btn:hover {
    background-color: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(59, 130, 246, 0.3);
    color: white;
}

/* Pied de page */
footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2.5rem 2rem;
    margin-top: auto;
}

footer p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}