/* Variables de color */
:root {
    --primary: #0033A0;       /* Azul corporativo Itaú */
    --secondary: #FF6A00;     /* Naranja para llamadas a la acción */
    --accent: #00A3E0;        /* Azul claro para acentos */
    --light: #F8F9FA;         /* Fondo claro */
    --dark: #212529;          /* Textos oscuros */
    --gray: #6C757D;          /* Gris para textos secundarios */
    --success: #28A745;       /* Verde para casos exitosos */
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: #fff;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-2px);
}

.btn-submit {
    background-color: var(--primary);
    color: white;
    border: none;
    width: 100%;
    padding: 14px;
    font-size: 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background-color: #00257A;
}

/* Header */
header {
    background-color: var(--primary);
    color: white;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Navigation */
nav {
    background-color: var(--dark);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

nav .container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav a {
    color: white;
    padding: 15px 20px;
    font-weight: 500;
    transition: all 0.3s;
}

nav a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 51, 160, 0.8), rgba(0, 51, 160, 0.8)), 
                url('img/banner-itau-empresas.jpg') no-repeat center/cover;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.2rem;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Experience Section */
.experience {
    padding: 60px 0;
    background-color: var(--light);
}

.experience h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary);
}

.experience p {
    max-width: 800px;
    margin: 0 auto 20px;
    text-align: center;
}

.about-us {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-top: 40px;
}

.notice {
    background-color: #FFF8E1;
    border-left: 4px solid #FFC107;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}

.notice strong {
    color: var(--dark);
}

/* Services Section */
.services {
    padding: 60px 0;
}

.services h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.service-card h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

/* Fraud Alert Section */
.fraud-alert {
    padding: 60px 0;
    background-color: #F1F7FE;
}

.fraud-alert h2 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.fraud-alert p {
    text-align: center;
    margin-bottom: 20px;
}

.fraud-alert ul {
    max-width: 600px;
    margin: 0 auto 30px;
    padding-left: 20px;
}

.fraud-alert li {
    margin-bottom: 10px;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    max-width: 800px;
    margin: 40px auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-top: 30px;
}

/* Success Cases */
.success-cases {
    padding: 60px 0;
    background-color: white;
}

.success-cases h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.case-card {
    background-color: var(--light);
    padding: 30px;
    border-radius: 8px;
    position: relative;
}

.case-card::before {
    content: '"';
    font-size: 5rem;
    color: rgba(0, 51, 160, 0.1);
    position: absolute;
    top: 10px;
    left: 20px;
    line-height: 1;
}

.case-card blockquote {
    font-style: italic;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.client {
    font-weight: 600;
    color: var(--primary);
    text-align: right;
}

/* FAQ Section */
.faq {
    padding: 60px 0;
    background-color: var(--light);
}

.faq h2 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--primary);
}

.faq p {
    text-align: center;
    margin-bottom: 40px;
}

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

.accordion-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.accordion-button {
    width: 100%;
    padding: 20px;
    text-align: left;
    background-color: white;
    border: none;
    font-weight: 600;
    font-size: 1rem;
    color: var(--dark);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.accordion-button i {
    transition: transform 0.3s;
}

.accordion-button.active i {
    transform: rotate(180deg);
}

.accordion-content {
    background-color: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-content-inner {
    padding: 0 20px 20px;
}

.accordion-content p, .accordion-content ul {
    margin-bottom: 15px;
}

.accordion-content ul {
    padding-left: 20px;
}

.cta-box {
    background-color: var(--primary);
    color: white;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-box p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.cases-count {
    font-size: 1.2rem;
    font-weight: 700;
    margin-top: 20px;
    color: var(--secondary);
}

/* Contact Section */
.contact {
    padding: 60px 0;
    background-color: white;
}

.contact h2 {
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.contact-info h3 {
    margin-bottom: 20px;
    color: var(--primary);
}

.contact-info p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    transition: all 0.3s;
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

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

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

/* Footer */
footer {
    background-color: var(--dark);
    color: white;
    padding: 40px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
}

.footer-logo h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.footer-links h4 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

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

.footer-links a {
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--secondary);
}

.footer-disclaimer {
    font-size: 0.9rem;
    opacity: 0.8;
    line-height: 1.6;
}

.footer-disclaimer p:first-child {
    margin-bottom: 15px;
}

/* WhatsApp Float */
.float-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    z-index: 999;
    transition: all 0.3s;
}

.float-whatsapp:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    nav a {
        padding: 10px 15px;
        font-size: 0.9rem;
    }
    
    .hero {
        padding: 80px 0;
    }
    
    .video-container {
        margin: 20px auto;
    }
    
    .action-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn, .btn-whatsapp {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .service-grid, .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .float-whatsapp {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
        bottom: 20px;
        right: 20px;
    }
}