/* ============================================
   VARIABLES & RESET
============================================ */
:root {
    /* Couleurs principales */
    --primary-dark: #0f0f0f;
    --primary-green: #1c3b23;
    --secondary-green: #0a3113;
    --accent-green: #2a5731;
    --light-green: #86ff9f;

    /* Couleurs d'accentuation */
    --accent-orange: #FFA500;
    --accent-yellow: #FFD700;
    --brand-teal: #00ff88;

    /* Texte */
    --text-primary: #FFFFFF;
    --text-secondary: #E0E0E0;
    --text-muted: #B0B0B0;

    /* Fond conteneurs */
    --container-bg: #1a1a1a;
    --container-border: #2a5731;
    --card-bg: #222222;

    /* États */
    --success: #4CAF50;
    --warning: #FF9800;
    --danger: #f44336;
    --info: #2196F3;

    /* Alias */
    --panel: var(--container-bg);
    --panel-2: rgba(255,255,255,0.08);
    --accent: var(--accent-orange);
    --bg: var(--primary-dark);
    --brand: var(--light-green);
    --text: var(--text-primary);
    --muted: var(--text-muted);
}

/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html { scroll-behavior: smooth; }
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--primary-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================
   TYPOGRAPHIE & LIENS
============================================ */
h1,h2,h3,h4,h5,h6 { margin-bottom:1rem; font-weight:600; line-height:1.3; }
h1 { font-size:2.5rem; color: var(--accent-orange); }
h2 { font-size:2rem; color: var(--light-green); }
h3 { font-size:1.5rem; color: var(--text-primary); }
p { margin-bottom:1rem; color: var(--text-secondary); }
a { color: var(--accent-orange); text-decoration:none; transition: color 0.3s; }
a:hover { color: var(--accent-yellow); text-decoration:underline; }
strong,b { color: var(--text-primary); font-weight:600; }

/* ============================================
   HEADER & NAVIGATION
============================================ */
#siteHeader, .header-container {
    background-color: var(--primary-green);
    color: var(--text-primary);
    position: sticky;
    top: 0;
    z-index:1000;
    box-shadow:0 2px 10px rgba(0,0,0,0.3);
    transition: transform .22s ease;
}

#siteHeader.is-hidden { transform: translateY(-110%); }

.header-top {
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:8px 16px;
    flex-wrap:wrap;
}

.logo img {
    height:52px;
    width:auto;
    transition: transform 0.3s;
}
.logo img:hover { transform: scale(1.05); }

.user-menu {
    display:flex;
    gap:15px;
    align-items:center;
    flex-wrap:wrap;
    position:relative;
}
.user-menu a {
    color: var(--text-primary);
    text-decoration:none;
    padding:8px 15px;
    border-radius:4px;
    background: rgba(255,255,255,0.1);
    border:1px solid rgba(255,255,255,0.2);
    transition: all 0.3s;
}
.user-menu a:hover { background: rgba(255,255,255,0.2); border-color: var(--accent-orange); }

.menu-toggle {
    background-color: var(--accent-green);
    color: var(--text-primary);
    border:none;
    padding:12px 24px;
    cursor:pointer;
    border-radius:4px;
    font-weight:600;
    transition: all 0.3s;
    margin:10px 20px;
    display:block;
    width: calc(100% - 40px);
}
.menu-toggle:hover { background-color:#3a7d44; transform: translateY(-2px); }

#mainDropdown { display:none; background: var(--accent-green); list-style:none; margin:0 20px 20px; border-radius:4px; overflow:hidden; box-shadow:0 5px 15px rgba(0,0,0,0.2); }
#mainDropdown.show { display:block; }
#mainDropdown li { border-bottom:1px solid rgba(255,255,255,0.1); }
#mainDropdown li:last-child { border-bottom:none; }
#mainDropdown li a { display:block; padding:15px 20px; color: var(--text-primary); text-decoration:none; transition: background-color 0.3s; }
#mainDropdown li a:hover { background-color: rgba(255,255,255,0.1); }

.submenu { display:none; background:#3a7d44; list-style:none; }
#mainDropdown li.active > .submenu { display:block; }
.submenu li a { padding-left:30px; }

.welcome-banner {
    background: var(--secondary-green);
    text-align:center;
    color: var(--light-green);
    padding:15px;
    font-size:1.1rem;
    border-top:1px solid rgba(255,255,255,0.1);
}

.ecolobike-logo {
    font-size:1.3em;
    font-weight:bold;
    font-style:italic;
    text-shadow:2px 2px 4px rgba(0,0,0,0.3);
    animation:pulse-gradient 8s infinite ease-in-out;
    background-clip:text;
    -webkit-background-clip:text;
    color:transparent;
    display:inline-block;
    padding:0 5px;
}
@keyframes pulse-gradient {
    0%,100% { background-image: linear-gradient(45deg, #4CAF50, var(--accent-orange)); }
    50% { background-image: linear-gradient(45deg, var(--accent-orange), #4CAF50); }
}

/* ============================================
   CONTENEUR & CARTES
============================================ */
.container { max-width:1200px; margin:0 auto; padding:20px; width:100%; }
.main-content {
    background: var(--container-bg);
    border-radius:8px;
    border:1px solid var(--container-border);
    padding:30px;
    margin:20px 0;
    box-shadow:0 4px 6px rgba(0,0,0,0.1);
}
.card, .feature-card {
    background: var(--card-bg);
    border-radius:8px;
    border:1px solid var(--container-border);
    padding:20px;
    margin-bottom:20px;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.card:hover, .feature-card:hover { transform: translateY(-5px); box-shadow:0 10px 20px rgba(0,0,0,0.2); border-color: var(--accent-orange); }

/* ============================================
   BOUTONS
============================================ */
.btn { display:inline-block; padding:12px 24px; border-radius:6px; text-decoration:none; font-weight:600; cursor:pointer; border:none; transition:all 0.3s; text-align:center; font-size:1rem; }
.btn-primary {
    background: linear-gradient(45deg, var(--accent-orange), #ff8c00);
    color:#000;
    border:1px solid var(--accent-orange);
}
.btn-primary:hover { background: linear-gradient(45deg, #ff8c00, var(--accent-orange)); transform:translateY(-2px); box-shadow:0 5px 15px rgba(255,165,0,0.3); color:#000; }
.btn-secondary { background: var(--accent-green); color: var(--accent-orange); border:2px solid var(--accent-orange); }
.btn-secondary:hover { background:#0e3b15; color: var(--accent-yellow); transform: translateY(-2px); }
.btn-success { background: var(--success); color:white; border:1px solid var(--success); }

/* ============================================
   FORMULAIRES
============================================ */
.form-group { margin-bottom:25px; }
.form-group label { display:block; margin-bottom:8px; color: var(--text-primary); font-weight:600; }
.form-control {
    width:100%;
    padding:12px 15px;
    background: rgba(255,255,255,0.05);
    border:1px solid var(--container-border);
    border-radius:4px;
    color: var(--text-primary);
    font-size:1rem;
    transition: all 0.3s;
}
.form-control:focus { outline:none; border-color: var(--accent-orange); box-shadow:0 0 0 3px rgba(255,165,0,0.1); background: rgba(255,255,255,0.08); }
.form-control::placeholder { color: var(--text-muted); }

/* ============================================
   TABLES
============================================ */
.table-container { overflow-x:auto; margin:20px 0; border-radius:8px; border:1px solid var(--container-border); }
table { width:100%; border-collapse:collapse; background: var(--card-bg); }
table th { background: var(--primary-green); color: var(--text-primary); padding:15px; text-align:left; font-weight:600; border-bottom:2px solid var(--container-border); }
table td { padding:15px; border-bottom:1px solid var(--container-border); color: var(--text-secondary); }
table tr:hover { background: rgba(255,255,255,0.05); }

/* ============================================
   ALERTES
============================================ */
.alert { padding:15px 20px; border-radius:6px; margin:20px 0; border-left:4px solid; }
.alert-success { background: rgba(76,175,80,0.1); border-color: var(--success); color: var(--light-green); }
.alert-warning { background: rgba(255,152,0,0.1); border-color: var(--warning); color: var(--accent-orange); }
.alert-danger { background: rgba(244,67,54,0.1); border-color: var(--danger); color:#ff6b6b; }
.alert-info { background: rgba(33,150,243,0.1); border-color: var(--info); color:#64b5f6; }

/* ============================================
   FOOTER
============================================ */
footer {
    background-color: var(--primary-green);
    color: var(--text-primary);
    padding:40px 0 20px;
    margin-top:60px;
    border-top:3px solid var(--accent-orange);
}
.footer-content {
    max-width:1200px;
    margin:0 auto;
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap:30px;
    padding:0 20px;
}
.footer-section h3 { color: var(--light-green); margin-bottom:20px; font-size:1.3rem; }
.footer-section ul { list-style:none; }
.footer-section ul li { margin-bottom:10px; }
.footer-section a { color: var(--text-secondary); transition:color 0.3s; }
.footer-section a:hover { color: var(--accent-orange); text-decoration:none; }
.footer-bottom { text-align:center; margin-top:30px; padding-top:20px; border-top:1px solid rgba(255,255,255,0.1); color: var(--text-muted); font-size:0.9rem; }

/* ============================================
   RESPONSIVE
============================================ */
@media(max-width:768px){
    h1{font-size:2rem;}
    h2{font-size:1.7rem;}
    h3{font-size:1.3rem;}
    .container{padding:15px;}
    .hero{padding:40px 20px;margin:15px 0;}
    .cta-buttons{flex-direction:column;align-items:stretch;}
    .btn{width:100%;margin-bottom:10px;}
    .header-top{flex-direction:column;gap:15px;}
    .user-menu{justify-content:center;width:100%;}
    .features-grid{grid-template-columns:1fr;gap:20px;}
    .footer-content{grid-template-columns:1fr;text-align:center;}
}
@media(max-width:480px){
    body{font-size:0.95rem;}
    .menu-toggle{padding:10px 15px;font-size:0.9rem;}
    #mainDropdown li a{padding:12px 15px;}
    .card, .feature-card{padding:20px 15px;}
}