/* Styles partagés : reset, typographie, header, footer */

/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #E8E8E8;
    background: #0D0D0D;
}

/* Typographie */
h1, h2, h3, h4, h5, h6 {
    margin-bottom: 1rem;
    font-weight: 600;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #00FF41;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #E8E8E8;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
#main-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    transition: transform 0.3s ease;
    border-bottom: 1px solid #00FF41;
}

#main-header.hidden {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.site-title {
    color: #00FF41;
    font-size: 1.5rem;
    font-weight: bold;
}

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

.nav-links a {
    color: #E8E8E8;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-links a:hover,
.nav-links a:focus {
    color: #00FF41;
}

/* Main content */
main {
    padding-top: 80px; /* Pour compenser le header fixed */
}

/* Sections communes */
section {
    padding: 80px 0;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
#main-footer {
    background: #0D0D0D;
    border-top: 1px solid #00FF41;
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        gap: 1rem;
    }

    .site-title {
        font-size: 1.2rem;
    }

    main {
        padding-top: 120px;
    }

    section {
        padding: 60px 0;
    }
}