/* CONFIGURACIÓN Y TIPOGRAFÍA PREMIUM DELGADA */
:root {
    --primary-color: #0284c7;
    --glacier-dark-bg: #0f172a;     /* Azul Oscuro Glaciar para la barra del menú y Top Bar */
    --glacier-blue-light: #e0f2fe;  /* Azul Glaciar Claro para los hovers y líneas */
    --light-bg: #f8fafc;              
    --text-main: #334155;           /* Color de texto para el contenido */
    --white: #ffffff;               /* Fondo de la página */
    --transition-smooth: cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    font-weight: 300;   
    color: var(--text-main);
    background-color: var(--white); /* Todo el fondo de la página web en blanco */
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 1. TOP BAR (NIVEL SUPERIOR - CONSERVADO) */
.top-bar {
    background-color: var(--glacier-dark-bg);
    color: #94a3b8;
    font-size: 13px;
    padding: 10px 20px;
    font-weight: 300;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.top-bar-container {
    display: flex;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
}
.top-bar span { margin-right: 20px; }
.top-bar i { color: #38bdf8; margin-right: 6px; }

/* 2. LOGO EN EL MEDIO DE TODO (ENCIMA DEL MENÚ PRINCIPAL) */
.logo-center-container {
    background-color: var(--white); /* Fondo blanco para destacar el logotipo */
    padding: 25px 0;
    display: flex;
    justify-content: center;
    align-items: center;
}
.logo-centered img {
    height: 55px;
    width: auto;
    display: block;
}

/* 3. BARRA DE NAVEGACIÓN (CON FONDO AZUL OSCURO GLACIAR) */
.main-header {
    background-color: var(--glacier-dark-bg); /* Fondo Azul Oscuro Glaciar */
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: center; /* Centra el menú horizontalmente */
    padding: 0 20px;
}

/* MENÚ UL */
.nav-menu ul {   
    display: flex;   
    list-style: none;   
    align-items: center;   
}
.nav-menu li {
    position: relative;
}

/* ENLACES PRINCIPALES EN TEXTO BLANCO */
.nav-menu > ul > li > a {
    color: rgba(255, 255, 255, 0.85); /* Texto contrastado sobre fondo oscuro */
    text-decoration: none;
    padding: 16px 22px;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.4px;
    display: block;
    position: relative;
    transition: background-color 0.3s var(--transition-smooth), color 0.3s var(--transition-smooth);
}

/* Hover Animado con color de fondo sutil sobre el azul oscuro */
.nav-menu > ul > li > a:hover {
    background-color: rgba(255, 255, 255, 0.07);
    color: var(--white);
}

/* Línea animada expansiva en Azul Glaciar Claro */
.nav-menu > ul > li > a::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #38bdf8; /* Azul glaciar brillante para la línea */
    transition: width 0.3s var(--transition-smooth), left 0.3s var(--transition-smooth);
}
.nav-menu > ul > li > a:hover::after {
    width: 50%;
    left: 25%;
}

/* DROPDOWN SUBMENU */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--glacier-dark-bg); /* Mantiene la estética del menú */
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    list-style: none;
    width: 180px;
    padding: 6px 0;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s var(--transition-smooth), transform 0.3s var(--transition-smooth), visibility 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.dropdown-menu a {
    padding: 10px 20px;
    display: block;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 13.5px;
    transition: background-color 0.2s, color 0.2s;
}
.dropdown-menu a:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: #38bdf8;
}

/* ANIMACIÓN DE ENTRADA EN CASCADA */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.anim-item {
    opacity: 0;
    animation: fadeInUp 0.6s var(--transition-smooth) forwards;
    animation-delay: calc(var(--order) * 0.08s);
}

/* SECCIÓN HERO INTEGRADA AL DISEÑO EN BLANCO */
.hero {
    background: var(--white); /* Fondo blanco como solicita */
    color: var(--text-main);
    padding: 100px 20px;
    text-align: center;
}
.hero h1 { font-weight: 300; font-size: 2.8rem; color: var(--glacier-dark-bg); letter-spacing: -0.5px; }
.hero p { font-weight: 300; font-size: 1.2rem; max-width: 750px; margin: 25px auto 0; opacity: 0.8; line-height: 1.7; }

/* RESPONSIVE MÓVIL (Menú Hamburguesa) */
@media (max-width: 992px) {
    .header-container { justify-content: flex-end; padding: 12px 20px; }
    .menu-toggle { display: flex; flex-direction: column; cursor: pointer; background: none; border: none; }
    .menu-toggle .bar { width: 22px; height: 2px; background-color: var(--white); margin: 3px 0; transition: 0.3s; }
    .nav-menu {
        position: absolute;
        top: 100%;
        left: -100%;
        width: 100%;
        background: var(--glacier-dark-bg);
        transition: 0.35s var(--transition-smooth);
        box-shadow: 0 10px 15px rgba(0,0,0,0.2);
    }
    .nav-menu.active { left: 0; }
    .nav-menu ul { flex-direction: column; width: 100%; padding: 15px 0; }
    .nav-menu li { width: 100%; text-align: center; }
    .nav-menu > ul > li > a::after { display: none; }
    .dropdown-menu { position: relative; left: 0; transform: none; box-shadow: none; display: none; width: 100%; background: rgba(0,0,0,0.2); border: none; }
    .dropdown.active .dropdown-menu { display: block; opacity: 1; visibility: visible; }
}
/* ==========================================
   ESTILOS DEL FOOTER ACTUALIZADO Y RESPONSIVO
   ========================================== */
.main-footer {
    background-color: var(--glacier-dark-bg);
    color: #94a3b8;
    padding: 60px 20px 30px;
    font-size: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-logo {
    height: 38px;
    width: auto;
    margin-bottom: 18px;
    display: block;
}

.footer-description {
    line-height: 1.6;
    font-weight: 300;
    margin-bottom: 20px;
}

.footer-col h3 {
    color: var(--white);
    margin-bottom: 22px;
    font-size: 16px;
    font-weight: 400;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.2s;
    font-weight: 300;
}

.footer-col a:hover {
    color: var(--white);
}

/* Redes Sociales */
.social-networks {
    display: flex;
    gap: 14px;
}

.social-networks a {
    color: #94a3b8;
    font-size: 18px;
    transition: color 0.2s, transform 0.2s;
}

.social-networks a:hover {
    color: #38bdf8;
    transform: translateY(-2px);
}

/* Estilos de Banderas y Cobertura */
.contact-item i {
    color: #38bdf8;
    margin-right: 8px;
}

.operating-countries {
    margin-top: 25px;
}

.operating-countries h4 {
    color: var(--white);
    font-size: 13.5px;
    font-weight: 400;
    margin-bottom: 12px;
}

.flags-grid {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.country-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 12px;
    border-radius: 20px;
}

.flag-round {
    width: 18px;
    height: 18px;
    border-radius: 50%; /* Hace la bandera completamente redonda */
    object-fit: cover;
    box-shadow: 0 0 4px rgba(0,0,0,0.2);
}

.country-tag span {
    font-size: 12.5px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
}

/* SECCIÓN DE SOCIOS (PARTNERS) */
.footer-partners-section {
    max-width: 1200px;
    margin: 50px auto 0;
    padding-top: 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-partners-section h3 {
    color: var(--white);
    font-size: 15px;
    font-weight: 400;
    margin-bottom: 20px;
    text-align: center;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.partner-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.03);
    padding: 20px;
    border-radius: 6px;
}

.partner-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.partner-logo {
    height: 24px;
    width: auto;
    object-fit: contain;
}

.partner-header strong {
    color: var(--white);
    font-weight: 400;
    font-size: 14.5px;
}

.partner-card p {
    font-size: 13px;
    font-weight: 300;
    line-height: 1.5;
    color: #94a3b8;
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 12px;
    line-height: 1.6;
}

/* ==========================================
   ADAPTABILIDAD MÓVIL (MEDIA QUERIES)
   ========================================== */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr; /* Colapsa en una sola columna en móvil */
        gap: 35px;
    }
    
    .partners-grid {
        grid-template-columns: 1fr; /* Los socios se ven uno debajo del otro */
        gap: 15px;
    }

    .footer-col, .footer-partners-section h3 {
        text-align: left; /* Alineación limpia para lectura móvil */
    }

    .social-networks {
        justify-content: flex-start;
    }
}