:root {
    --primary-color: #4a6bff;
    --secondary-color: #f8f9fa;
    --accent-color: #ff6b6b;
    --dark-color: #2c3e50;
    --light-color: #ecf0f1;
    --text-color: #333;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #f5f7ff;
    overflow-x: hidden;
}

header {
    background-color: white;
    box-shadow: var(--box-shadow);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

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

.logo i {
    margin-right: 10px;
    font-size: 1.8rem;
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 500;
    transition: var(--transition);
}

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

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: white;
    padding: 0.7rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn:hover {
    background-color: #3a56d4;
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(74, 107, 255, 0.2);
}

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

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

.page-hero {
    padding: 10rem 5% 5rem;
    background: linear-gradient(135deg, #f5f7ff 0%, #e8ecff 100%);
    text-align: center;
}

.page-hero h1 {
    font-size: 2.8rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.page-hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    color: #555;
}

.section {
    padding: 5rem 5%;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

.process-steps {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50px;
    height: 100%;
    width: 4px;
    background-color: var(--primary-color);
    opacity: 0.2;
}

.step-card {
    display: flex;
    margin-bottom: 3rem;
    position: relative;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    overflow: hidden;
    transition: var(--transition);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.step-number {
    min-width: 100px;
    height: 100px;
    background-color: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
}

.step-content {
    padding: 2rem;
    flex: 1;
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.step-content p {
    color: #666;
    margin-bottom: 1.5rem;
}

.step-image {
    flex: 1;
    min-height: 250px;
    background-size: cover;
    background-position: center;
}

.advantages {
    background-color: #f9faff;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.advantage-card {
    background-color: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

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

.advantage-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.advantage-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--dark-color);
}

.advantage-card p {
    color: #666;
}

.faq {
    background-color: white;
}

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

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid #eee;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background-color: var(--secondary-color);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary-color);
}

.faq-question.active::after {
    content: '-';
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer.show {
    padding: 1.5rem;
    max-height: 500px;
}

.cta-section {
    text-align: center;
    padding: 5rem 5%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #3a56d4 100%);
    color: white;
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.cta-section p {
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

footer {
    background-color: #1a252f;
    color: white;
    text-align: center;
    padding: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    list-style: none;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.footer-links li {
    margin: 0 1rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary-color);
}

.social-links {
    margin-bottom: 1.5rem;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    margin: 0 0.5rem;
    color: white;
    line-height: 40px;
    transition: var(--transition);
}

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

.copyright {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Menu hamburger pour mobile */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--dark-color);
    border-radius: 5px;
    transition: var(--transition);
}

/* Responsive */
@media (max-width: 1024px) {
    .process-steps::before {
        left: 40px;
    }

    .step-number {
        min-width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .advantages-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
        flex-wrap: wrap;
    }

    .menu-toggle {
        display: flex;
        order: 2;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        margin-top: 1rem;
        order: 3;
    }

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

    .nav-links li {
        margin: 0.5rem 0;
        text-align: center;
    }

    .page-hero {
        padding-top: 12rem;
    }

    .page-hero h1 {
        font-size: 2.2rem;
    }

    .page-hero p {
        font-size: 1.1rem;
        padding: 0 1rem;
    }

    .process-steps::before {
        display: none;
    }

    .step-card {
        flex-direction: column;
        margin-bottom: 2rem;
    }

    .step-number {
        width: 100%;
        height: 70px;
        font-size: 1.8rem;
    }

    .step-content {
        padding: 1.5rem;
    }

    .step-content h3 {
        font-size: 1.3rem;
    }

    .step-image {
        min-height: 200px;
        order: -1;
    }

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

    .advantage-card {
        padding: 1.5rem;
    }

    .faq-question {
        padding: 1rem;
    }

    .faq-answer.show {
        padding: 1rem;
    }

    .cta-section {
        padding: 3rem 5%;
    }

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

    .footer-links {
        flex-direction: column;
        align-items: center;
    }

    .footer-links li {
        margin: 0.5rem 0;
    }
}

@media (max-width: 480px) {
    .page-hero h1 {
        font-size: 1.8rem;
    }

    .page-hero p {
        font-size: 1rem;
    }

    .section-title h2 {
        font-size: 1.6rem;
    }

    .step-content {
        padding: 1rem;
    }

    .step-content h3 {
        font-size: 1.2rem;
    }

    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
        width: 100%;
        text-align: center;
        margin-bottom: 0.5rem;
    }

    .advantage-card {
        padding: 1rem;
    }

    .advantage-card i {
        font-size: 2rem;
        margin-bottom: 1rem;
    }

    .advantage-card h3 {
        font-size: 1.2rem;
    }

    .cta-section h2 {
        font-size: 1.6rem;
    }
}