:root {
    /* Color palette - Tetrad */
    --primary: #3a7bd5;
    --primary-dark: #265db2;
    --primary-light: #6194e0;
    
    --secondary: #d53a7b;
    --secondary-dark: #b2265d;
    --secondary-light: #e06194;
    
    --accent1: #7bd53a;
    --accent1-dark: #5db226;
    --accent1-light: #94e061;
    
    --accent2: #d57b3a;
    --accent2-dark: #b25d26;
    --accent2-light: #e09461;
    
    /* Neutrals */
    --white: #ffffff;
    --light-gray: #f5f7f9;
    --medium-gray: #e0e4e8;
    --dark-gray: #4a5568;
    --black: #1a202c;
    
    /* Backgrounds */
    --bg-light: var(--light-gray);
    --bg-dark: #2d3748;
    
    /* Typography */
    --font-heading: 'Roboto', sans-serif;
    --font-body: 'Lato', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Borders */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 16px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1), 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 20px rgba(0,0,0,0.1), 0 3px 6px rgba(0,0,0,0.05);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Base styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

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

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.75rem;
}

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

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

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul {
    list-style-type: none;
}

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

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    width: 80px;
    height: 3px;
    background-color: var(--accent1);
    transform: translateX(-50%);
}

.section-subtitle {
    text-align: center;
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Button styles */
.btn-primary, 
.btn-submit, 
.btn-subscribe,
.contact-form button[type="submit"] {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    padding: 12px 24px;
    border-radius: var(--border-radius-md);
    border: none;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover, 
.btn-submit:hover, 
.btn-subscribe:hover,
.contact-form button[type="submit"]:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    text-decoration: none;
    color: var(--white);
}

/* Header styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(5px);
    box-shadow: var(--shadow-md);
}

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

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

.logo img {
    height: auto;
    width: auto;
    width: 60px;
}

.nav-list {
    display: flex;
    gap: var(--spacing-sm);
}

.nav-list li a {
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--black);
    font-weight: 500;
    position: relative;
}

.nav-list li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: width var(--transition-normal), left var(--transition-normal);
}

.nav-list li a:hover::after {
    width: 100%;
    left: 0;
}

.burger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    height: 20px;
    cursor: pointer;
}

.burger-menu span {
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--black);
    transition: all var(--transition-normal);
}

/* Hero Section */
.hero {
    position: relative;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 200px 0 100px;
    color: var(--white);
    margin-top: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(0,0,0,0.4));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-content .btn-primary {
    animation: fadeInUp 1s ease 0.4s backwards;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.card-content {
    padding: var(--spacing-md);
    flex-grow: 1;
    text-align: center;
}

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

.card-content p {
    color: var(--dark-gray);
}

/* Portfolio/Pronósticos Section */
.portfolio {
    background-color: var(--bg-light);
}

.timeline {
    max-width: 1000px;
    margin: 0 auto;
}

.timeline-item {
    position: relative;
    padding: var(--spacing-md) 0;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 40px;
    background-color: var(--medium-gray);
}

.timeline-content {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    text-align: center;
}

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

.timeline-content .image-container {
    margin: var(--spacing-md) 0;
    height: 250px;
    overflow: hidden;
    border-radius: var(--border-radius-sm);
}

.timeline-content img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.timeline-content:hover img {
    transform: scale(1.05);
}

/* Insights Section */
.insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-lg);
}

.insight-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    padding-bottom: var(--spacing-md);
}

.insight-card:hover {
    transform: translateY(-5px);
}

.insight-card h3 {
    color: var(--primary);
    margin: var(--spacing-md) 0;
    text-align: center;
    padding: 0 var(--spacing-md);
}

.insight-card .image-container {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.insight-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

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

.insight-card p {
    padding: 0 var(--spacing-md);
    color: var(--dark-gray);
    text-align: center;
}

/* External Links Section */
.external-links {
    background-color: var(--bg-light);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    text-align: center;
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.link-icon {
    margin-bottom: var(--spacing-sm);
    width: 80px;
    height: 80px;
}

.link-card h3 {
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
    font-size: 1.2rem;
}

.link-card p {
    color: var(--dark-gray);
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Clientele/Audiencia Section */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.client-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal);
}

.client-card:hover {
    transform: translateY(-5px);
}

.client-card .image-container {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.client-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.client-card h3 {
    color: var(--primary);
    margin: var(--spacing-sm) 0;
    text-align: center;
}

.client-card p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--dark-gray);
    text-align: center;
    margin-bottom: 0;
}

/* FAQ Section */
.faq {
    background-color: var(--bg-light);
}

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

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

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

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

.faq-icon {
    font-size: 1.5rem;
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow), padding var(--transition-normal);
}

.faq-item.active .faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    max-height: 1000px;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info {
    padding: var(--spacing-md);
    background-color: var(--primary);
    border-radius: var(--border-radius-md);
    color: var(--white);
}

.contact-info h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.contact-details {
    margin-top: var(--spacing-md);
}

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

.contact-details .icon {
    margin-right: var(--spacing-sm);
}

.contact-form-container {
    padding: var(--spacing-md);
    background-color: var(--white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

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

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--dark-gray);
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

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

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

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

.footer-about p {
    color: var(--medium-gray);
    font-size: 0.9rem;
}

.footer h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    font-size: 1.2rem;
}

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

.footer-links ul li a {
    color: var(--medium-gray);
    transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--white);
    text-decoration: none;
}

.social-links li {
    margin-bottom: var(--spacing-xs);
}

.social-links a {
    color: var(--medium-gray);
    display: flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: var(--accent1);
    text-decoration: none;
}

.footer-newsletter p {
    color: var(--medium-gray);
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.newsletter-form {
    display: flex;
}

.newsletter-form input {
    flex-grow: 1;
    padding: 10px;
    border: none;
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    font-family: inherit;
}

.newsletter-form input:focus {
    outline: none;
}

.btn-subscribe {
    background-color: var(--accent1);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

.btn-subscribe:hover {
    background-color: var(--accent1-dark);
}

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

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Success page styles */
.success-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--light-gray);
    text-align: center;
}

.success-content {
    background-color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 600px;
    animation: fadeIn 1s ease;
}

.success-content h1 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.success-content p {
    margin-bottom: var(--spacing-lg);
}

/* Privacy and Terms Pages */
.privacy-page, .terms-page {
    padding-top: 100px;
}

.privacy-content, .terms-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
}

/* About Page */
.about-hero {
    padding-top: 150px;
    background-color: var(--primary);
    color: var(--white);
}

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

.team-member {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.team-member img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--spacing-sm);
}

/* Responsive styles */
@media (max-width: 1024px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md);
    }
    
    .nav-list.active {
        display: flex;
    }
    
    .burger-menu {
        display: flex;
    }
    
    .hero {
        padding: 150px 0 80px;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline-content {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    html {
        font-size: 14px;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .footer-grid {
        gap: var(--spacing-md);
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form input {
        border-radius: var(--border-radius-sm);
        margin-bottom: var(--spacing-xs);
    }
    
    .btn-subscribe {
        border-radius: var(--border-radius-sm);
        width: 100%;
    }
    
    .insights-grid {
        grid-template-columns: 1fr;
    }
}

/* Custom AOS animation styles */
[data-aos] {
    pointer-events: none;
}

[data-aos].aos-animate {
    pointer-events: auto;
}

[data-aos][data-aos][data-aos-duration="400"], body[data-aos-duration="400"] [data-aos] {
    transition-duration: 400ms;
}

[data-aos][data-aos][data-aos-delay="100"], body[data-aos-delay="100"] [data-aos] {
    transition-delay: 0s;
}

[data-aos][data-aos][data-aos-delay="100"].aos-animate, body[data-aos-delay="100"] [data-aos].aos-animate {
    transition-delay: 100ms;
}

[data-aos][data-aos][data-aos-delay="200"].aos-animate, body[data-aos-delay="200"] [data-aos].aos-animate {
    transition-delay: 200ms;
}

[data-aos][data-aos][data-aos-delay="300"].aos-animate, body[data-aos-delay="300"] [data-aos].aos-animate {
    transition-delay: 300ms;
}

[data-aos][data-aos][data-aos-delay="400"].aos-animate, body[data-aos-delay="400"] [data-aos].aos-animate {
    transition-delay: 400ms;
}
html,body{
    overflow-x: hidden;
}
.burger-menu{
    display: none;
}