/* Variables */
:root {
    --primary-color: #0e4c92;
    --primary-dark: #083872;
    --primary-light: #1a6cb5;
    --secondary-color: #ffffff;
    --text-color: #333333;
    --text-light: #666666;
    --bg-light: #f5f8fa;
    --border-color: #e1e4e8;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header y navegación */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: white;
    box-shadow: var(--shadow);
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    max-width: 1400px;
    margin: 0 auto;
}

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

.logo {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-left: 10px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

.login-btn {
    background-color: var(--primary-color);
    color: white !important;
    padding: 8px 20px;
    border-radius: 4px;
    transition: var(--transition);
}

.login-btn:hover {
    background-color: var(--primary-dark);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary-color);
}

/* Hero section */
#hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 100vh;
    padding: 100px 30px;
    background: linear-gradient(135deg, #f5f8fa 0%, #e1e8f0 100%);
}

.hero-content {
    max-width: 600px;
}

.hero-content h1 {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.hero-content h2 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.btn {
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    display: inline-block;
}

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

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

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

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

.hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.big-logo {
    width: 80%;
    max-width: 400px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Secciones generales */
.section {
    padding: 80px 0;
}

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

.bg-primary {
    background-color: var(--primary-color);
    color: white;
}

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 40px;
    color: var(--primary-color);
    position: relative;
    padding-bottom: 15px;
}

.bg-primary .section-title {
    color: white;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--primary-color);
}

.bg-primary .section-title::after {
    background-color: white;
}

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

.section-content p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    line-height: 1.7;
}

/* Features grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin: 40px 0;
}

.feature-card {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

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

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

/* Timeline */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 3px;
    height: 100%;
    background-color: var(--primary-color);
}

.timeline-item {
    position: relative;
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--primary-color);
    z-index: 1;
}

.timeline-content {
    position: relative;
    width: calc(50% - 40px);
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.timeline-item:nth-child(odd) .timeline-content {
    left: 0;
}

.timeline-item:nth-child(even) .timeline-content {
    left: calc(50% + 40px);
}

.timeline-content h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

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

.timeline-content ul li {
    margin-bottom: 8px;
    position: relative;
}

.timeline-content ul li::before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

/* Cards */
.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.card {
    background-color: white;
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

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

.card-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.card-icon i {
    font-size: 2rem;
    color: white;
}

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

/* Contact form */
.contact-form {
    max-width: 600px;
    margin: 40px auto 0;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-color);
}

.form-group textarea {
    resize: vertical;
}

.light-btn {
    background-color: white;
    color: var(--primary-color);
    border: none;
    width: 100%;
}

.light-btn:hover {
    background-color: var(--bg-light);
}

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

.light {
    color: white;
}

/* Footer */
footer {
    background-color: #0a2d56;
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
    margin-right: 10px;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-links h3,
.footer-contact h3,
.footer-social h3 {
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-contact h3::after,
.footer-social h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary-light);
}

.footer-links a {
    display: block;
    margin-bottom: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

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

.footer-contact p i {
    margin-right: 10px;
    color: var(--primary-light);
}

.social-icons {
    display: flex;
    gap: 15px;
}

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

.social-icons a:hover {
    background-color: var(--primary-light);
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .hero-content h2 {
        font-size: 1.8rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-content {
        width: calc(100% - 80px);
        left: 80px !important;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background-color: white;
        flex-direction: column;
        padding: 40px 0;
        transition: var(--transition);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    #hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }
    
    .hero-content {
        margin-bottom: 50px;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-content h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 20px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}