/* ============================================
   VARIABLES Y CONFIGURACIÓN INICIAL
   ============================================ */
:root {
    --primary-color: #003366;      /* Azul corporativo */
    --secondary-color: #00A8E8;    /* Azul claro */
    --accent-color: #FF6B35;       /* Naranja para acentos */
    --dark-color: #1A1A2E;         /* Negro azulado */
    --light-color: #F8F9FA;        /* Blanco grisáceo */
    --gray-color: #6C757D;         /* Gris medio */
    --light-gray: #E9ECEF;         /* Gris claro */
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 2rem;     /* 32px */
    --spacing-lg: 4rem;     /* 64px */
    --spacing-xl: 6rem;     /* 96px */
    
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: white;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.section-header p {
    color: var(--gray-color);
    max-width: 800px;
    margin: 0 auto;
}

.text-center {
    text-align: center;
}

.bg-light {
    background-color: var(--light-gray);
}

/* ============================================
   BOTONES
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background-color: #002244;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

.btn-secondary:hover {
    background-color: #0086C3;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* ============================================
   NAVEGACIÓN
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 1rem 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color);
    line-height: 1;
}

.logo-subtext {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    color: var(--gray-color);
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
}

.nav-menu li {
    margin-left: var(--spacing-md);
}

.nav-menu a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    font-family: var(--font-heading);
    transition: var(--transition);
    padding: 0.5rem 0;
    position: relative;
}

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

.nav-menu a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

.nav-menu a:hover:after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
}

.btn-contacto {
    background-color: var(--primary-color);
    color: white !important;
    padding: 0.5rem 1.5rem !important;
    border-radius: var(--border-radius);
}

.btn-contacto:hover {
    background-color: #002244;
}

.btn-contacto:after {
    display: none;
}

/* ============================================
   HERO SECTION (PÁGINA PRINCIPAL)
   ============================================ */
.hero {
    height: 80vh;
    min-height: 600px;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    position: relative;
    margin-top: 70px;
    color: white;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.9;
}

.hero-btns {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.hero-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
}

/* ============================================
   HERO PARA PÁGINAS SECUNDARIAS
   ============================================ */
.hero-subpage {
    height: 40vh;
    min-height: 300px;
    background: linear-gradient(rgba(0, 51, 102, 0.9), rgba(0, 51, 102, 0.8)), url('../images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    margin-top: 70px;
    color: white;
}

.hero-subpage-content {
    max-width: 800px;
}

.hero-subpage h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.hero-subpage p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ============================================
   SECCIONES GENERALES
   ============================================ */
.section {
    padding: var(--spacing-xl) 0;
}

/* ============================================
   SECCIÓN DE VALOR
   ============================================ */
.valor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.valor-card {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.valor-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
}

.valor-icon {
    width: 80px;
    height: 80px;
    background-color: var(--light-gray);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    color: var(--primary-color);
    font-size: 2rem;
}

.valor-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
   SECCIÓN DE SERVICIOS
   ============================================ */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.servicio-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.servicio-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.servicio-img {
    height: 200px;
    overflow: hidden;
}

.servicio-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.servicio-card:hover .servicio-img img {
    transform: scale(1.05);
}

.servicio-content {
    padding: var(--spacing-md);
}

.servicio-content h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.servicio-link {
    display: inline-flex;
    align-items: center;
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.servicio-link i {
    margin-left: 0.5rem;
    transition: var(--transition);
}

.servicio-link:hover i {
    transform: translateX(5px);
}

/* ============================================
   SECCIÓN DE ALIADOS (INDEX)
   ============================================ */
.aliados-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.aliado-card {
    text-align: center;
    padding: var(--spacing-md);
    border: 1px solid var(--light-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.aliado-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--box-shadow);
}

.aliado-logo {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.aliado-logo img {
    max-width: 80%;
    max-height: 80px;
    filter: grayscale(100%);
    transition: var(--transition);
}

.aliado-card:hover .aliado-logo img {
    filter: grayscale(0%);
}

.aliado-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.aliado-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.aliado-link:hover {
    text-decoration: underline;
}

/* ============================================
   SECCIÓN DE INNOVACIÓN (INDEX)
   ============================================ */
.innovacion-home {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.innovacion-card {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.innovacion-content {
    padding: var(--spacing-lg);
}

.innovacion-subtitle {
    color: var(--gray-color);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
}

.innovacion-beneficios {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.innovacion-beneficios li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    color: var(--dark-color);
}

.innovacion-beneficios i {
    color: var(--secondary-color);
    margin-right: var(--spacing-sm);
    width: 20px;
}

.innovacion-imagen {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.innovacion-imagen img {
    max-width: 100%;
    border-radius: var(--border-radius);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--dark-color);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.5rem;
    color: white;
    text-decoration: none;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.footer-desc {
    opacity: 0.8;
    line-height: 1.6;
}

.footer-col h4 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

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

.footer-col ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.footer-contact i {
    margin-right: var(--spacing-xs);
    color: var(--secondary-color);
    width: 20px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 992px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero h1 {
        font-size: 2.8rem;
    }
    
    .hero-subpage h1 {
        font-size: 2.5rem;
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .innovacion-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: var(--spacing-lg);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 0 0 var(--spacing-md) 0;
    }
    
    .nav-menu a {
        font-size: 1.2rem;
    }
    
    .hero-btns {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .hero-btns .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .valor-grid,
    .servicios-grid,
    .aliados-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 576px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-subpage h1 {
        font-size: 2rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .section {
        padding: var(--spacing-md) 0;
    }
    
    .container {
        padding: 0 var(--spacing-xs);
    }
}