/* --- 1. RESETS & CONFIG --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-main: #06070A;
    --bg-card: #11131A;
    --txt-main: #F5F7FA;
    --txt-sec: #B7C0CC;
    --txt-aux: #8B95A7;
    --acento-cta: #1DA1FF;
    --glow: #00E5FF;
    --gradient-cta: linear-gradient(90deg, #1DA1FF 0%, #00E5FF 100%);
    --font-ui: 'Inter', sans-serif;
    --font-brand: 'Space Grotesk', sans-serif;
    --transition: all 0.3s ease;
}

/* --- 2. HEADER Y NAVEGACIÓN (ESTILO CLÁSICO) --- */
.main-header {
    width: 100%;
    height: 90px;
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(6, 7, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(183, 192, 204, 0.1);
}

.header-flex {
    width: 1300px;
    margin: 0 auto;
    padding: 0 30px;
    height: 90px;
    position: relative;
}

.logo {
    float: left;
    margin-top: 27px;
}

.brand-logo {
    height: 35px;
    width: auto;
    display: block;
}

.nav-menu {
    float: right;
    margin-top: 35px;
}

.nav-menu ul {
    list-style: none; /* Elimina viñetas */
    margin: 0;
    padding: 0;
}

.nav-menu ul li {
    display: inline-block;
    margin-left: 40px;
    position: relative;
}

.nav-menu a {
    text-decoration: none;
    color: var(--txt-sec);
    font-family: var(--font-ui);
    font-weight: 500;
    font-size: 16px;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--glow);
}

/* --- 3. SISTEMA DE SUBMENÚ CLÁSICO --- */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-card);
    width: 260px;
    padding: 15px 0;
    border: 1px solid rgba(0, 229, 255, 0.15);
    display: none; /* Oculto inicialmente */
    margin-top: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.submenu li {
    display: block !important; 
    margin-left: 0 !important;
    width: 100%;
}

.submenu li a {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
}

.has-submenu:hover .submenu {
    display: block;
}

/* --- 4. BOTÓN CTA Y HAMBURGUESA --- */
.header-actions {
    float: right;
    margin-top: 23px;
    margin-left: 40px;
}

.btn-primary {
    background: var(--gradient-cta);
    color: #06070A;
    padding: 12px 24px;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
}

.menu-toggle {
    display: none; /* Oculto en escritorio */
    float: right;
    margin-top: 32px;
    margin-left: 20px;
    color: var(--txt-main);
    font-size: 24px;
    cursor: pointer;
}

/* --- 5. RESPONSIVO --- */
@media (max-width: 992px) {
    .header-flex { width: 100% !important; }
    .nav-menu { display: none !important; }
    
    .header-actions .btn-primary { display: none !important; }
    
    .header-actions {
        display: block !important;
        float: right;
        margin-top: 30px;
    }
    
    .menu-toggle { display: block !important; }
}