/* ========================================
   VARIABLES Y COLORES - BRANDBOOK
   ======================================== */
:root {
    /* Primary Colors */
    --color-primary: #0b47bd;
    --color-primary-dark: #001f5c;
    --color-primary-light: #0c4e7f;
    --color-dark: #111b34;
    
    /* Grays */
    --color-gray-dark: #5b6770;
    --color-gray-medium: #a2b1bd;
    --color-gray-light: #dedddd;
    --color-gray-lighter: #e0dfdf;
    --color-white: #f5fafb;
    
    /* Accent */
    --color-accent: #0b47bd;
    
    /* Functional */
    --color-success: #4caf50;
    --color-error: #f44336;
    --color-warning: #ff9800;
    
    /* Typography */
    --font-primary: "Montserrat", sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(17, 27, 52, 0.08);
    --shadow-md: 0 4px 12px rgba(17, 27, 52, 0.12);
    --shadow-lg: 0 8px 24px rgba(17, 27, 52, 0.15);
    --shadow-xl: 0 12px 32px rgba(17, 27, 52, 0.18);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease-out;
}

/* ========================================
   RESET Y FUNDAMENTOS
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* ========================================
   CONTENEDOR PRINCIPAL
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ========================================
   NAVEGACIÓN
   ======================================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    border-bottom: 1px solid rgba(11, 71, 189, 0.1);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    cursor: pointer;
}

.logo-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.logo-text h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--color-dark);
    margin: 0;
    line-height: 1.2;
}

.logo-text p {
    font-size: 0.75rem;
    color: var(--color-gray-dark);
    margin: 0;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-links a {
    color: var(--color-dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: var(--transition-fast);
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid rgba(11, 71, 189, 0.1);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    flex-direction: column;
    box-shadow: var(--shadow-md);
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a {
    color: var(--color-dark);
    text-decoration: none;
    padding: var(--spacing-sm);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.mobile-menu a:hover {
    background: rgba(11, 71, 189, 0.08);
    color: var(--color-primary);
}

/* ========================================
   BOTONES
   ======================================== */
.btn {
    padding: 12px 28px;
    border: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    letter-spacing: 0.3px;
    font-family: var(--font-primary);
}

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

.btn-primary:hover {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.btn-primary:active {
    transform: translateY(0);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: linear-gradient(250deg, var(--color-white) 0%, rgba(4, 41, 116, 0.140) 100%);
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
    position: relative;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.hero-text h2 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    letter-spacing: -1px;
}

.hero-text p {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
    max-width: 450px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.hero-shape {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
    z-index: -1;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

/* ========================================
   SECCIONES GENERALES
   ======================================== */
section {
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-header h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--color-gray-dark);
    max-width: 500px;
    margin: 0 auto;
}

/* ========================================
   SERVICIOS
   ======================================== */
.services {
    background: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    border: 1px solid rgba(11, 71, 189, 0.1);
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    background: rgba(11, 71, 189, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--color-primary);
    color: var(--color-white);
}

.service-icon svg {
    width: 32px;
    height: 32px;
    stroke-width: 2;
    fill: currentColor;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.service-card p {
    color: var(--color-gray-dark);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ========================================
   SECCIÓN ACERCA DE
   ======================================== */
.about {
    background: linear-gradient(135deg, rgba(11, 71, 189, 0.02) 0%, rgba(0, 31, 92, 0.02) 100%);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
}

.about-content h2 {
    font-size: 2.2rem;
    color: var(--color-dark);
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.about-content p {
    color: var(--color-gray-dark);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    font-size: 1rem;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.value-item {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border-left: 4px solid var(--color-primary);
}

.value-item h4 {
    color: var(--color-primary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.value-item p {
    color: var(--color-gray-dark);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.values-list h4 {
    color: var(--color-dark);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.values-list ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    list-style: none;
}

.values-list li {
    color: var(--color-gray-dark);
    padding-left: var(--spacing-lg);
    position: relative;
}

.values-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.about-visual {
    position: relative;
    height: 400px;
}

.about-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
}

.about-shape {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 250px;
    height: 250px;
    background: var(--color-primary);
    border-radius: 50%;
    opacity: 0.05;
    z-index: -1;
}

/* ========================================
   ESTADÍSTICAS
   ======================================== */
.stats {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-2xl) var(--spacing-lg);
    color: var(--color-white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    max-width: 1200px;
    margin: 0 auto;
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.stat-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.stat-card h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
}

.stat-card p {
    font-size: 1rem;
    opacity: 0.9;
}

/* ========================================
   CONTACTO
   ======================================== */
.contact {
    background: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-form {
    background: var(--color-white);
}

.form-group {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    color: var(--color-dark);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid rgba(11, 71, 189, 0.2);
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-dark);
    transition: var(--transition);
    background: var(--color-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 71, 189, 0.1);
}

.form-group textarea {
    resize: vertical;
    font-family: var(--font-primary);
}

.form-note {
    color: var(--color-gray-dark);
    font-size: 0.85rem;
    text-align: center;
    margin-top: var(--spacing-sm);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.info-card {
    background: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    border: 1px solid rgba(11, 71, 189, 0.1);
    box-shadow: var(--shadow-sm);
}

.info-card.dark {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border: none;
}

.info-card h3 {
    color: var(--color-primary);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.info-card.dark h3 {
    color: var(--color-white);
}

.info-item {
    margin-bottom: var(--spacing-lg);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-item .label {
    display: block;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.info-card.dark .info-item .label {
    color: rgba(255, 255, 255, 0.8);
}

.info-item a {
    display: block;
    color: var(--color-dark);
    text-decoration: none;
    transition: var(--transition-fast);
    margin-bottom: 6px;
}

.info-card.dark .info-item a {
    color: var(--color-white);
}

.info-item a:hover {
    color: var(--color-primary);
}

.info-card.dark .info-item a:hover {
    opacity: 0.8;
}

.info-item p {
    color: var(--color-gray-dark);
    line-height: 1.6;
    margin: 0;
}

.info-card.dark .info-item p {
    color: rgba(255, 255, 255, 0.9);
}

.hours {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.hour-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.hour-item span {
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-dark) 100%);
    color: var(--color-white);
    padding: var(--spacing-2xl) var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
    color: var(--color-white);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: 0.9rem;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.9rem;
}

.footer-section ul li a:hover {
    color: var(--color-white);
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
}

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 700;
    font-size: 0.85rem;
}

.social-links a:hover {
    background: var(--color-white);
    color: var(--color-primary-dark);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.footer-bottom p:last-child {
    margin-bottom: 0;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 768px) {
    :root {
        font-size: 15px;
    }

    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-text h2 {
        font-size: 2rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .hero-visual {
        height: 300px;
    }

    .about-grid {
        grid-template-columns: 1fr;
    }

    .about-visual {
        order: -1;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .values-list ul {
        grid-template-columns: 1fr;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.25rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }

    .navbar-container {
        padding: var(--spacing-md);
    }

    .logo-text h1 {
        font-size: 1rem;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .hero {
        padding: var(--spacing-xl) var(--spacing-md);
        min-height: 500px;
    }

    .hero-text h2 {
        font-size: 1.6rem;
    }

    .hero-text p {
        font-size: 0.95rem;
    }

    section {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card h3 {
        font-size: 2rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* ========================================
   ANIMACIONES DE ENTRADA
   ======================================== */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.service-card {
    animation: slideInUp 0.6s ease-out forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }

/* ========================================
   ACCESIBILIDAD
   ======================================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para navegación */
a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}