/* ========================================
   EXTERNA | Corporate Finance
   Landing Page Styles
   ======================================== */

/* ========== VARIABLES Y RESET ========== */
:root {
    /* Colores corporativos */
    --primary-color: #1e3a8a;
    --primary-dark: #1e293b;
    --primary-light: #3b82f6;
    --secondary-color: #0ea5e9;
    --accent-color: #10b981;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    
    /* Grises */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    
    /* WhatsApp */
    --whatsapp-color: #25D366;
    --whatsapp-dark: #128C7E;
    
    /* Tipografía */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    
    /* Espaciado */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transiciones */
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray-800);
    background-color: #ffffff;
    overflow-x: hidden;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-dark);
    text-align: center;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-xl) auto;
}

/* ========== BOTONES ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

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

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

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border-color: var(--gray-300);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

/* ========== HEADER ========== */
.header {
    background-color: white;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    color: var(--primary-dark);
}

.logo-text {
    font-size: 1.25rem;
    color: var(--primary-color);
}

.logo-divider {
    font-size: 1.25rem;
    color: var(--gray-400);
}

.logo-subtext {
    font-size: 1rem;
    color: var(--gray-600);
}

.nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--gray-700);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.btn-header {
    flex-shrink: 0;
}

/* Menú móvil */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    transition: var(--transition);
    border-radius: 2px;
}

/* ========== HERO SECTION ========== */
.hero {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: #fbbf24;
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
    line-height: 1.7;
}

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

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    text-align: left;
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 2rem;
    color: #fbbf24;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.feature-text p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-lg);
}

.legal-notice {
    font-size: 0.875rem;
    opacity: 0.8;
    max-width: 700px;
    margin: 0 auto;
}

.legal-notice i {
    margin-right: 0.5rem;
}

/* ========== CONFIANZA ========== */
.trust-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

.trust-content {
    max-width: 900px;
    margin: 0 auto;
}

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

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

.trust-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
}

.trust-point h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.trust-point p {
    color: var(--gray-600);
}

/* ========== PARA QUIÉN ES ========== */
.target-section {
    padding: var(--spacing-3xl) 0;
    background-color: white;
}

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

.target-card {
    background-color: white;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: var(--transition);
}

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

.target-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto var(--spacing-md);
    background-color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.target-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.target-card p {
    color: var(--gray-600);
}

.filter-box {
    background-color: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 700px;
    margin: 0 auto;
}

.filter-yes,
.filter-no {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.filter-yes {
    background-color: #d1fae5;
    color: #065f46;
    margin-bottom: var(--spacing-sm);
}

.filter-yes i {
    color: #10b981;
    font-size: 1.5rem;
}

.filter-no {
    background-color: #fee2e2;
    color: #991b1b;
}

.filter-no i {
    color: #ef4444;
    font-size: 1.5rem;
}

/* ========== SERVICIOS ========== */
.services-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

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

.service-card {
    background-color: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.service-card .btn {
    width: 100%;
}

/* ========== CÓMO FUNCIONA ========== */
.process-section {
    padding: var(--spacing-3xl) 0;
    background-color: white;
}

.process-steps {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    align-items: flex-start;
}

.step-number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    font-weight: 800;
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

.step-note {
    font-size: 0.9rem;
    font-style: italic;
    color: var(--gray-500);
}

.process-tagline {
    text-align: center;
    font-size: 1.25rem;
    color: var(--primary-dark);
    max-width: 700px;
    margin: 0 auto;
}

/* ========== MODELO DE PAGO ========== */
.pricing-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
}

.pricing-box {
    max-width: 900px;
    margin: 0 auto;
}

.pricing-section .section-title {
    color: white;
}

.pricing-content {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.pricing-points {
    display: grid;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.pricing-point {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-start;
}

.pricing-point i {
    font-size: 1.5rem;
    color: #fbbf24;
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.pricing-point p {
    font-size: 1.125rem;
    line-height: 1.6;
}

.pricing-legal {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    border-left: 4px solid #fbbf24;
}

/* ========== REQUISITOS ========== */
.requirements-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

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

.requirement-item {
    background-color: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.requirement-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.requirement-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.requirement-item h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.requirement-item p {
    color: var(--gray-600);
}

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

/* ========== DOCUMENTACIÓN ========== */
.documentation-section {
    padding: var(--spacing-3xl) 0;
    background-color: white;
}

.doc-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.doc-column {
    background-color: var(--gray-50);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
}

.doc-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.doc-title i {
    color: var(--primary-color);
}

.doc-list {
    list-style: none;
}

.doc-list li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background-color: white;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: var(--transition);
}

.doc-list li:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-sm);
}

.doc-list i {
    color: var(--primary-color);
    font-size: 1.125rem;
}

/* ========== CASOS ========== */
.cases-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

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

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.case-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.case-icon {
    font-size: 2rem;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.case-body {
    padding: var(--spacing-lg);
}

.case-row {
    margin-bottom: var(--spacing-md);
}

.case-row:last-child {
    margin-bottom: 0;
}

.case-row strong {
    display: block;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.case-row p {
    color: var(--gray-700);
}

.case-success {
    color: var(--success-color) !important;
    font-weight: 600 !important;
}

.cases-note {
    text-align: center;
    color: var(--gray-600);
    font-style: italic;
}

/* ========== FAQ ========== */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background-color: white;
}

.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: var(--spacing-md);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--primary-color);
}

.faq-question {
    width: 100%;
    background-color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--gray-50);
}

.faq-question i {
    color: var(--primary-color);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--gray-700);
    line-height: 1.7;
}

/* ========== CTA FINAL ========== */
.final-cta-section {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    text-align: center;
}

.final-cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.final-cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xl);
    opacity: 0.95;
}

/* ========== CONTACTO ========== */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--gray-50);
}

.contact-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.contact-card {
    background-color: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.contact-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.5rem;
}

.whatsapp-bg {
    background: linear-gradient(135deg, var(--whatsapp-color) 0%, var(--whatsapp-dark) 100%);
}

.email-bg {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
}

.contact-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
}

.contact-card p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.contact-card .btn {
    width: 100%;
}

.contact-note {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--spacing-sm);
}

/* Formulario */
.form-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.form-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: var(--spacing-xl);
}

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

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

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

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

.form-group input,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 58, 138, 0.1);
}

.form-legal {
    text-align: center;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: var(--spacing-md);
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: 600;
}

.form-message.success {
    background-color: #d1fae5;
    color: #065f46;
}

.form-message.error {
    background-color: #fee2e2;
    color: #991b1b;
}

/* ========== FOOTER ========== */
.footer {
    background-color: var(--gray-900);
    color: white;
    padding: var(--spacing-3xl) 0 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);
}

.footer-column h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-logo .logo-text {
    color: white;
}

.footer-logo .logo-divider {
    color: var(--gray-500);
}

.footer-logo .logo-subtext {
    color: var(--gray-400);
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.7;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: white;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--gray-400);
}

.footer-contact i {
    color: var(--primary-light);
    flex-shrink: 0;
    margin-top: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--gray-500);
}

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

.footer-legal-text {
    font-size: 0.875rem;
}

/* ========== BOTÓN FLOTANTE WHATSAPP ========== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--whatsapp-color) 0%, var(--whatsapp-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: var(--transition);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 992px) {
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-md);
        transition: left 0.3s ease;
        box-shadow: var(--shadow-lg);
        overflow-y: auto;
    }

    .nav.active {
        left: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .btn-header {
        display: none;
    }

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }

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

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .hero-description {
        font-size: 1rem;
    }

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

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

    .hero-features {
        grid-template-columns: 1fr;
    }

    .process-step {
        flex-direction: column;
        text-align: center;
    }

    .step-number {
        margin: 0 auto;
    }

    .services-grid,
    .target-grid,
    .requirements-grid,
    .cases-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .final-cta-content h2 {
        font-size: 1.75rem;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: 1rem;
    }

    .logo-subtext {
        font-size: 0.875rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

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

    .hero-title {
        font-size: 1.5rem;
    }
}

/* ========== ANIMACIONES ========== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Smooth scroll para toda la página */
html {
    scroll-padding-top: 80px;
}