/* ============================================================
   ULTRA PREMIUM PRO TURBO - CSS Global
   Version finale 2.0
   ============================================================ */

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a252f;
    --primary-light: #2c3e50;
    --secondary: #3498db;
    --secondary-dark: #2980b9;
    --accent: #e74c3c;
    --success: #2ecc71;
    --warning: #f39c12;
    --purple: #9b59b6;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --gray: #95a5a6;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #f8f9fa;
    color: var(--dark);
    line-height: 1.7;
}

.container, .container-fluid {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===== HEADER & NAV ===== */
header {
    background: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
}

.nav-brand a {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

.nav-brand .brand-icon {
    font-size: 1.5rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 4px;
    align-items: center;
}

.nav-menu > li > a {
    padding: 6px 14px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    background: var(--light);
    color: var(--secondary);
}

/* ===== DROPDOWN ===== */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    min-width: 210px;
    padding: 6px 0;
    list-style: none;
    border: 1px solid #eee;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu li a {
    display: block;
    padding: 8px 18px;
    transition: var(--transition);
    font-size: 0.85rem;
}

.dropdown-menu li a:hover {
    background: var(--light);
    color: var(--secondary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 3px;
    background: var(--dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 10px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--secondary);
    color: white;
}

.btn-primary:hover {
    background: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52,152,219,0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 12px 0;
        gap: 2px;
    }
    
    .nav-menu.open {
        display: flex;
    }
    
    .nav-menu > li > a {
        padding: 8px 14px;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding-left: 16px;
    }
    
    .dropdown:hover .dropdown-menu {
        display: none;
    }
    
    .dropdown.open .dropdown-menu {
        display: block;
    }
}