/* Estilos Generales (idénticos a los de las otras páginas) */
:root {
    --primary-color: #336699;
    --secondary-color: #f6bb00;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --white-color: #ffffff;
    --font-main: 'Roboto', sans-serif;
    --font-display: 'Roboto Condensed', sans-serif;
}

body {
    font-family: var(--font-main);
    line-height: 1.6;
    color: var(--dark-color);
    margin: 0;
    padding: 0;
    background-color: var(--white-color);
}

.container {
    max-width: 1200px;
    margin: auto;
    overflow: hidden;
    padding: 0 2rem;
}

/* Header & Navbar (reutilizado) */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: background-color 0.4s ease, padding 0.4s ease;
    box-sizing: border-box;
}

.navbar.scrolled {
    background-color: rgba(51, 102, 153, 0.98);
    padding: 0.5rem 2rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.navbar .logo img {
    height: 40px;
    transition: height 0.4s ease;
}

.navbar.scrolled .logo img {
    height: 35px;
}

.navbar .nav-links {
    list-style: none;
    display: flex;
    margin: 0; padding: 0;
}

.navbar .nav-links li {
    padding: 0 1rem;
}

.navbar .nav-links a {
    color: var(--white-color);
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-display);
    text-transform: uppercase;
    position: relative;
    padding-bottom: 5px;
}

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

.navbar .nav-links a:hover::after, .navbar .nav-links a.active::after {
    width: 100%;
}

/* Hero Section específico para Open Data */
.hero-opendata {
    height: 70vh;
    background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?q=80&w=1920') no-repeat center center/cover;
    color: var(--white-color);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 2rem;
}

.hero-opendata h1 {
    font-family: var(--font-display);
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}

.hero-opendata p {
    font-size: 1.5rem;
    font-weight: 300;
    max-width: 800px;
}

/* Estilos de Sección genéricos */
.section {
    padding: 5rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-family: var(--font-display);
    font-size: 2.5rem;
    color: var(--primary-color);
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
    margin: 0.5rem auto 0;
}

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

/* Grid de Características */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    text-align: center;
}

.feature-card {
    background: var(--white-color);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(51, 102, 153, 0.15);
}

.feature-card .icon {
    font-size: 3rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-family: var(--font-display);
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Diagrama "Cómo Funciona" */
.how-it-works-diagram {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 4rem;
}
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    min-width: 180px;
}
.step .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    background: var(--light-color);
    border-radius: 50%;
    width: 80px;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1rem;
}
.step h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}
.arrow {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-top: 25px; /* Alineación vertical con los iconos */
}
@media (max-width: 992px) {
    .arrow { display: none; }
    .how-it-works-diagram { flex-direction: column; align-items: center; }
    .step { margin-bottom: 2rem; max-width: 400px; }
}

/* Tarjetas de Casos de Uso */
.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.use-case-card {
    background-color: var(--white-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.use-case-card .card-image {
    height: 180px;
    background-size: cover;
    background-position: center;
}

.use-case-card .card-content {
    padding: 1.5rem;
    flex-grow: 1;
}

.use-case-card h3 {
     font-family: var(--font-display);
     color: var(--primary-color);
     margin-top: 0;
}

/* Sección CTA (reutilizada) */
.cta-section {
    background: var(--primary-color);
    color: var(--white-color);
    text-align: center;
    padding: 4rem 2rem;
}

.cta-section h2 {
    font-family: var(--font-display);
    font-size: 2.2rem;
    margin-bottom: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 700;
    font-family: var(--font-display);
    text-transform: uppercase;
    transition: transform 0.3s, background-color 0.3s;
}

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

.btn-secondary:hover {
    background: #ffcf40;
    transform: translateY(-3px);
}

/* Footer (reutilizado) */
.footer {
    background: var(--dark-color);
    color: var(--light-color);
    text-align: center;
    padding: 2rem;
}

/* Botón Back to top (reutilizado) */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--secondary-color);
    color: var(--dark-color);
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    display: none;
    z-index: 100;
    cursor: pointer;
    transition: opacity 0.3s, visibility 0.3s;
    opacity: 0;
    visibility: hidden;
}

#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}