/* ============================================
   MEZCLA ONLINE - PROFESSIONAL AUDIO SERVICES
   CSS PRINCIPAL - DISEÑO MINIMALISTA Y PROFESIONAL
   ============================================ */

:root {
    /* Paleta de Colores - Sobria y Profesional */
    --primary-black: #1a1a1a;
    --secondary-black: #2d2d2d;
    --dark-gray: #404040;
    --medium-gray: #666666;
    --light-gray: #999999;
    --bg-gray: #f5f5f5;
    --white: #ffffff;
    --accent-blue: #4a9eff;
    --accent-blue-dark: #3a7fd4;
    --success-green: #4caf50;
    --warning-orange: #ff9800;

    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);

    /* Transiciones */
    --transition-fast: all 0.2s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;

    /* Tipografía */
    --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;

    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;
}

/* ============================================
   RESET Y BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.7;
    color: var(--primary-black);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TIPOGRAFÍA
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-black);
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 2.5rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

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

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--accent-blue-dark);
}

strong {
    font-weight: 600;
    color: var(--primary-black);
}

/* ============================================
   LAYOUT Y CONTENEDORES
   ============================================ */

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

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background-color: var(--primary-black);
    color: var(--white);
}

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

/* ============================================
   HEADER Y NAVEGACIÓN
   ============================================ */

.main-header {
    background: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xs) 0;
    min-height: 70px;
}

.logo {
    display: flex;
    align-items: center;
}

.logo a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-black);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 45px;
    width: auto;
    transition: var(--transition-fast);
}

.logo a:hover {
    color: var(--accent-blue);
}

.logo a:hover .logo-img {
    opacity: 0.85;
}

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

.nav-menu a {
    color: var(--medium-gray);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    padding: 0.5rem 0;
    position: relative;
}

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

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

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

.nav-menu a.active {
    color: var(--primary-black);
    font-weight: 600;
}

/* Dropdown Navigation */
.nav-menu>li {
    position: relative;
}

.nav-menu .dropdown {
    position: relative;
}

.nav-menu .dropdown>a {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-menu .dropdown>a::before {
    content: '▼';
    font-size: 0.6rem;
    margin-left: 0.25rem;
    transition: var(--transition-fast);
}

.nav-menu .dropdown:hover>a::before {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: 8px;
    min-width: 250px;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-fast);
    z-index: 1000;
    margin-top: 0.5rem;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--medium-gray);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.dropdown-menu a::after {
    display: none;
}

.dropdown-menu a:hover {
    background: var(--bg-gray);
    color: var(--accent-blue);
    padding-left: 1.5rem;
}

.dropdown-menu a i {
    margin-right: 0.5rem;
    width: 16px;
    text-align: center;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--primary-black);
    transition: var(--transition-fast);
    border-radius: 2px;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--white);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    position: relative;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74, 158, 255, 0.5), transparent);
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
    letter-spacing: 0.01em;
}

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

.btn-primary:hover {
    background: var(--accent-blue-dark);
    border-color: var(--accent-blue-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.05rem;
}

/* ============================================
   BANNERS
   ============================================ */

.banner {
    background: var(--bg-gray);
    padding: var(--spacing-md);
    border-left: 4px solid var(--accent-blue);
    margin: var(--spacing-md) 0;
    border-radius: 4px;
}

.banner-info {
    border-left-color: var(--accent-blue);
}

.banner-success {
    border-left-color: var(--success-green);
}

.banner-warning {
    border-left-color: var(--warning-orange);
}

/* ============================================
   BLOCKQUOTES
   ============================================ */

blockquote {
    background: var(--bg-gray);
    padding: var(--spacing-md) var(--spacing-md) var(--spacing-md) var(--spacing-lg);
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--accent-blue);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--medium-gray);
    position: relative;
}

blockquote::before {
    content: '"';
    position: absolute;
    left: var(--spacing-sm);
    top: 0;
    font-size: 4rem;
    color: var(--accent-blue);
    opacity: 0.2;
    line-height: 1;
}

blockquote p {
    margin-bottom: 0;
    position: relative;
    z-index: 1;
}

blockquote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    font-style: normal;
    color: var(--light-gray);
}

/* ============================================
   CARDS
   ============================================ */

.card {
    background: var(--white);
    border-radius: 8px;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-header {
    margin-bottom: var(--spacing-sm);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-blue);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-black);
    margin-bottom: var(--spacing-xs);
}

.card-subtitle {
    font-size: 0.9rem;
    color: var(--light-gray);
    margin-bottom: var(--spacing-sm);
}

.card-body {
    color: var(--medium-gray);
    line-height: 1.7;
}

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* ============================================
   LISTAS
   ============================================ */

.content-list {
    list-style: none;
    margin: var(--spacing-md) 0;
}

.content-list li {
    padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-md);
    position: relative;
    color: var(--medium-gray);
    line-height: 1.7;
}

.content-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: bold;
    font-size: 1.1rem;
}

.numbered-list {
    counter-reset: item;
    list-style: none;
    margin: var(--spacing-md) 0;
}

.numbered-list li {
    counter-increment: item;
    padding: var(--spacing-sm) 0 var(--spacing-sm) var(--spacing-lg);
    position: relative;
    color: var(--medium-gray);
    line-height: 1.7;
}

.numbered-list li::before {
    content: counter(item);
    position: absolute;
    left: 0;
    top: var(--spacing-sm);
    width: 2rem;
    height: 2rem;
    background: var(--accent-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

/* ============================================
   GRIDS Y LAYOUTS
   ============================================ */

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

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

/* ============================================
   FAQs SECTION
   ============================================ */

.faqs-section {
    background: var(--bg-gray);
    padding: var(--spacing-xl) 0;
}

.faqs-section h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: 8px;
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-item summary {
    list-style: none;
    cursor: pointer;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-question {
    padding: 1rem 1.25rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--primary-black);
    transition: var(--transition-fast);
}

.faq-item summary:hover .faq-question {
    background: var(--bg-gray);
}

.faq-question-text {
    flex: 1;
}

.faq-icon {
    font-size: 0.875rem;
    color: var(--accent-blue);
    transition: transform 0.3s ease;
    margin-left: 1rem;
}

.faq-item[open] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.25rem 1rem;
    color: var(--medium-gray);
    line-height: 1.7;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.view-all-faqs {
    text-align: center;
    margin-top: var(--spacing-md);
}

.view-all-faqs a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent-blue);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-fast);
}

.view-all-faqs a:hover {
    color: var(--primary-black);
    gap: 0.75rem;
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(74, 158, 255, 0.5), transparent);
}

.cta-section h2,
.cta-section .cta-title {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-section p,
.cta-section .cta-description {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   ENLACES RELACIONADOS
   ============================================ */

.related-links-section {
    background: var(--bg-gray);
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.related-links-section h3 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-black);
    font-size: 1.125rem;
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    max-width: 800px;
    margin: 0 auto;
}

.related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--white);
    color: var(--primary-black);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.related-link:hover {
    background: var(--accent-blue);
    color: var(--white);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.related-link i {
    font-size: 0.875rem;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 60px 0;
    text-align: center;
}

.page-header .subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Content Grids */
.content-grid,
.services-grid,
.values-grid,
.location-grid,
.contact-grid {
    display: grid;
    gap: 2rem;
    margin-top: 2rem;
}

.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.service-card {
    padding: 2rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-features {
    list-style: none;
    margin-top: 1rem;
}

.service-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.service-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Contact Form */
.contact-grid {
    grid-template-columns: 2fr 1fr;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-group label {
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
}

/* Footer */
.main-footer {
    background: var(--primary-black);
    color: rgba(255, 255, 255, 0.85);
    padding: var(--spacing-xl) 0 0;
    border-top: 1px solid rgba(74, 158, 255, 0.2);
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.footer-brand {
    padding-right: var(--spacing-md);
}

.footer-brand h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.footer-brand p {
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.footer-highlight {
    background: rgba(74, 158, 255, 0.1);
    padding: var(--spacing-sm);
    border-radius: 8px;
    border-left: 3px solid var(--accent-blue);
    margin-top: var(--spacing-md);
}

.footer-highlight strong {
    color: var(--white);
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.9rem;
}

.footer-highlight p {
    font-size: 0.875rem;
}

.footer-section h4 {
    color: var(--white);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
    display: inline-block;
    font-size: 0.9rem;
}

.footer-section ul li a:hover {
    color: var(--accent-blue);
    transform: translateX(3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.8rem;
}

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

.footer-legal a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--accent-blue);
}

.footer-contact-info {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-contact-info span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.footer-contact-info i {
    font-size: 0.75rem;
}


/* ============================================
   PAGE HEADER (Banner de título)
   ============================================ */

.page-header {
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--secondary-black) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
    border-bottom: 1px solid rgba(74, 158, 255, 0.3);
}

.page-header h1 {
    color: var(--white);
    margin-bottom: var(--spacing-xs);
}

.page-header .subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   FORMULARIOS
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--primary-black);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-fast);
    background: var(--white);
    color: var(--primary-black);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(74, 158, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-xs);
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin-top: 0.25rem;
}

.checkbox-group label {
    margin-bottom: 0;
    font-weight: 400;
}

.form-help {
    font-size: 0.875rem;
    color: var(--light-gray);
    margin-top: var(--spacing-xs);
}

/* ============================================
   FOOTER
   ============================================ */

.main-footer {
    background: var(--primary-black);
    color: rgba(255, 255, 255, 0.8);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3,
.footer-section h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: 1.125rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition-fast);
    font-size: 0.95rem;
}

.footer-section a:hover {
    color: var(--accent-blue);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--accent-blue);
    transform: translateY(-2px);
}

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

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   PLACEHOLDERS Y UTILIDADES
   ============================================ */

.placeholder-image,
.map-placeholder {
    background: var(--bg-gray);
    padding: var(--spacing-xl);
    border-radius: 8px;
    text-align: center;
    color: var(--light-gray);
    border: 2px dashed rgba(0, 0, 0, 0.1);
}

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

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

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

.mb-0 {
    margin-bottom: 0;
}

.mb-1 {
    margin-bottom: var(--spacing-xs);
}

.mb-2 {
    margin-bottom: var(--spacing-sm);
}

.mb-3 {
    margin-bottom: var(--spacing-md);
}

.mb-4 {
    margin-bottom: var(--spacing-lg);
}

.mt-0 {
    margin-top: 0;
}

.mt-1 {
    margin-top: var(--spacing-xs);
}

.mt-2 {
    margin-top: var(--spacing-sm);
}

.mt-3 {
    margin-top: var(--spacing-md);
}

.mt-4 {
    margin-top: var(--spacing-lg);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    /* Logo responsive */
    .logo-img {
        height: 35px;
    }

    /* Navegación móvil */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: var(--spacing-sm);
        box-shadow: var(--shadow-md);
        gap: 0;
    }

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

    .nav-menu li {
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-sm);
    }

    /* Dropdown móvil */
    .nav-menu .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        margin: 0;
        padding: 0;
        background: var(--bg-gray);
        display: none;
    }

    .nav-menu .dropdown.active .dropdown-menu {
        display: block;
    }

    .nav-menu .dropdown-menu a {
        padding-left: 2rem;
        font-size: 0.9rem;
    }

    .nav-menu .dropdown>a::before {
        content: '▶';
        font-size: 0.6rem;
        margin-left: auto;
        margin-right: 0.5rem;
    }

    .nav-menu .dropdown.active>a::before {
        content: '▼';
    }

    /* Footer responsive */
    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .footer-legal {
        flex-direction: column;
        gap: 0.375rem;
    }

    .footer-contact-info {
        flex-direction: column;
        gap: 0.375rem;
    }

    /* Tipografía móvil */
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    h3 {
        font-size: 1.375rem;
    }

    .hero h1 {
        font-size: 2.25rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    /* Grids móvil */
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    /* Espaciado móvil */
    section {
        padding: var(--spacing-lg) 0;
    }

    .hero,
    .page-header,
    .cta-section {
        padding: var(--spacing-lg) 0;
    }

    /* Botones móvil */
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    h1 {
        font-size: 1.75rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .card {
        padding: var(--spacing-sm);
    }
}

/* ============================================
   ENLACES RELACIONADOS
   ============================================ */

.enlaces-relacionados {
    padding: var(--spacing-lg) 0;
    background-color: var(--bg-gray);
}

.enlaces-relacionados .section-title {
    text-align: center;
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
    color: var(--primary-black);
}

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

.enlace-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
    text-decoration: none;
    color: var(--primary-black);
}

.enlace-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    color: var(--accent-blue);
}

.enlace-card i {
    font-size: 1.5rem;
    color: var(--accent-blue);
}

.enlace-card span {
    font-weight: 500;
}

@media (max-width: 768px) {
    .enlaces-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}