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

body {
    margin: 0;
    background-color: #f5f5f5;
}

/* Contenedor principal de la barra de navegación */
.navbar {
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 15px 30px;
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Estilo para el logo */
.logo {
    font-size: 24px;
    font-weight: bold;
    color: #1E3A5F;
}

/* Estilos para la lista de navegación */
.nav-links {
    list-style: none;
    display: flex;
    margin: 0;
    padding: 0;
}

.nav-links li {
    margin: 0 15px;
}

.nav-links a {
    text-decoration: none;
    color: #18191f;
    font-size: 16px;
}

/* Estilo para el botón de registro */
.register-btn {
    background-color: #1E3A5F;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
}

/* Contenedor principal de la sección */
.hero-section {
    background-color: #ffffff;
    padding: 60px 0;
}

.hero-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

/* Columna izquierda: Contenido de texto */
.hero-content {
    flex: 1;
    max-width: 600px;
}

/* Estilo para el título principal */
.hero-content h1 {
    font-size: 56px;
    font-weight: 600;
    color: #4D4D4D;
    margin: 0;
    line-height: 1.2;
}

/* Clase para resaltar texto en verde */
.text-blue-marine {
    color: #1E3A5F;
}

/* Estilo para el párrafo de descripción */
.hero-content p {
    color: #717171;
    font-size: 17px;
    line-height: 1.6;
    margin: 20px 0 30px 0;
}

/* Estilo para el botón */
.hero-btn-primary {
    background-color: #1E3A5F;
    color: white;
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    display: inline-block;
}

/* Estilo para el botón */
.hero-btn-secondary {
    background-color: #FFC107;
    color: #000000;
    margin: 0 20px;
    padding: 14px 32px;
    border-radius: 4px;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    display: inline-block;
}

/* Columna derecha: Imagen */
.hero-image {
    flex: 1;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
}

/* --- Diseño Responsivo para Móviles --- */
@media (max-width: 768px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
    }

    .hero-content h1 {
        font-size: 40px;
    }

    .hero-image {
        margin-top: 40px;
    }
}

.working {
    text-align: center;
    background-color: #ffffff;
    color: #717171;
    font-size: 17px;
    padding-bottom: 10px;
}

.working h1 {
    font-size: 50px;
    font-weight: 600;
    margin-bottom: 16px;
    text-align: center;
    color: #4D4D4D;
}

/* --- Section 1: Databases ("Our Clients" re-styled) --- */
.databases-section {
    background-color: #FFFFFF;
}

.databases-section h2 {
    font-size: 36px;
    font-weight: 600;
    color: #4D4D4D;
    margin-bottom: 16px;
    text-align: center;
}

.databases-section .subtitle {
    font-size: 17px;
    color: #717171;
    text-align: center;
}

.database-logos {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.database-logo {
    font-size: 28px;
    font-weight: 700;
}

/* --- Section 2: Target Audience ("Manage Community" re-styled) --- */
.target-audience-section {
    background-color: #f5f7fa;
}

.target-audience-section .main-heading {
    font-size: 36px;
    font-weight: 600;
    color: #4D4D4D;
    max-width: auto;
    margin: 0 auto 16px auto;
    padding-top: 25px;
    text-align: center;
}

.target-audience-section .sub-heading {
    font-size: 17px;
    color: #717171;
    text-align: center;
}

.audience-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
    padding-bottom: 30px;
}

.card {
    background-color: #FFFFFF;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0px 2px 4px rgba(171, 190, 209, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    justify-self: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0px 8px 16px rgba(171, 190, 209, 0.4);
}

.card .icon-wrapper-researcher {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.card h3 {
    font-size: 28px;
    font-weight: 700;
    color: #1E3A5F;
    margin: 0 0 8px 0;
}

.card p {
    font-size: 16px;
    color: #717171;
    line-height: 1.5;
    margin: 0;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .audience-cards {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {

    .databases-section h2,
    .target-audience-section .main-heading {
        font-size: 28px;
    }

    .database-logos {
        flex-direction: column;
        gap: 30px;
    }
}

/* --- Estilos para la nueva sección --- */
.features-section {
    padding: 15px 20px;
    background-color: #ffffff;
}

/* Cabecera de la sección */
.features-header {
    text-align: center;
    margin: 0 auto 50px auto;
}

.features-header h1 {
    font-size: 45px;
    font-weight: 600;
    color: #4D4D4D;
    margin: 0;
}

.text-gold {
    color: #FFC107;
}

.features-header p {
    font-size: 17px;
    color: #717171;
    line-height: 1.6;
    margin-top: 10px;
}

/* Contenedor de las tarjetas */
.features-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin: 0 auto;
}

/* Estilo de cada tarjeta */
.feature-card {
    background-color: #fff;
    border-radius: 8px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    border: 1px solid #E0E0E0;
    max-width: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card-icon {
    background-color: #FFC107;
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 20px;
    display: inline-flex;
}

.card-icon svg {
    width: 32px;
    height: 32px;
    stroke: #1E3A5F;
}

.feature-card h3 {
    font-size: 24px;
    color: #4D4D4D;
    font-weight: 700;
    margin: 0 0 15px 0;
}

.feature-card p {
    color: #717171;
    font-size: 16px;
    line-height: 1.6;
    margin: 0 0 20px 0;
}

/* --- Diseño Responsivo --- */
@media (max-width: 768px) {
    .features-header h2 {
        font-size: 30px;
    }
}

/* -- ABOUT US SECTION */
/* --- About Section Container --- */
.about-section-container {
    max-width: 1100px;
    margin: 40px auto; /* centrar horizontalmente */
    padding: 40px;
    background-color: #FFFFFF;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(171, 190, 209, 0.2);
    display: flex;
    align-items: center;
    justify-content: center; /* centrar el conjunto de columnas */
    gap: 40px;
}

/* --- Left Column (Image Placeholder) --- */
.image-column-about {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Light green background */
    border-radius: 12px;
    min-height: 400px;
    /* YOU WILL REPLACE THIS DIV WITH YOUR <img> TAG */
    /* Example: <img src="your-image.png" alt="MetricSci Team"> */
}
.image-column-about img {
    max-width: 100%;
    height: auto;
    display: block;
}

.image-placeholder-text-about {
    font-weight: 600;
    color: #1E3A5F;
}

/* --- Right Column (Text Content) --- */
.text-column-about {
    flex: 1.2;
    padding-left: 20px;
}

.text-column-about h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #4D4D4D;
    margin: 0 0 15px 0;
}

.text-column-about .intro-paragraph-about {
    font-size: 17px;
    line-height: 1.6;
    max-width: 650px;
    margin: 0 auto;
    color: #717171;
    margin-bottom: 20px;
}

.features-list-about {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.features-list-about li {
    display: flex;
    align-items: center;
    font-size: 16px;
    color: #717171;
}

.features-list-about .icon-check-about {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: #FFC107;
    margin-right: 12px;
}

.features-list-about .icon-check-about svg {
    stroke: #1E3A5F;
    width: 16px;
    height: 16px;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .about-section-container {
        flex-direction: column;
        gap: 30px;
    }

    .text-column-about {
    padding-left: 0;
    text-align: center;
    }

    .features-list-about li {
    justify-content: center; /* centrar ítems de la lista */
    text-align: left;
    }
}

/* --- CONTENEDOR PRINCIPAL --- */
.contact-section {
    padding: 60px 20px;
    display: flex;
    justify-content: center;
    background-color: #FFFFFF;
}

.container {
    max-width: 1000px;
    width: 100%;
    justify-content: center;
}

/* --- ENCABEZADO DE LA SECCIÓN --- */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #4D4D4D;
    margin: 0 0 15px 0;
}

.section-header p {
    font-size: 1.1rem;
    line-height: 1.6;
    max-width: 650px;
    margin: 0 auto;
    color: #717171;
}

/* --- CONTENIDO PRINCIPAL (TARJETAS) --- */
.contact-content {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.info-card {
    background-color: #1E3A5F;
    border: 1px solid #EAEDED;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    text-align: center;
}

.info-card h2 {
    justify-self: center;
    font-size: 1.5rem;
    color: #EAEAEA;
    margin: 0 0 25px 0;
}

/* --- ELEMENTOS DE CONTACTO --- */
.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #F8F9F9;
    border: 1px solid #EAEDED;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 15px;
    text-align: center;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.icon-wrapper {
    flex-shrink: 0;
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    background-color: #FFC107;
    border-radius: 50%;
    margin-right: 0;
    margin-bottom: 12px;
}

.icon-wrapper svg {
    color: #1E3A5F;
    width: 24px;
    height: 24px;
}

.item-details {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.item-details strong {
    font-weight: 600;
    color: #34495E;
    font-size: 22px;
}

.item-details span {
    color: #5D6D7E;
    font-size: 18px;
}

/* --- CSS FINAL PARA ICONOS CON FONT AWESOME --- */
.social-icons {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 25px;
}

/* Estilo del círculo contenedor (el enlace <a>) */
.social-icons a {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: transparent;
    border: 1px solid #D5DBDB;
    transition: all 0.3s ease;
    text-decoration: none;
}

/* Estilo del ícono <i> que está adentro */
.social-icons a i {
    font-size: 22px;
    color: #ffffff;
    transition: all 0.3s ease;
}

/* Efecto al pasar el mouse sobre el círculo */
.social-icons a:hover {
    background-color: #FFC107;
    border-color: #FFC107;
    transform: scale(1.1);
    box-shadow: 0px 4px 15px #FFC107;
}

/* Cambio de color del ícono al pasar el mouse sobre el círculo */
.social-icons a:hover i {
    color: #1E3A5F;
}

/* --- CAJA DE MENSAJE DESTACADO --- */
.highlight-box {
    display: flex;
    align-items: center;
    gap: 15px;
    background-color: #ffffff;
    border-radius: 12px;
    padding: 20px;
    justify-content: center;
    text-align: center;
}

.highlight-box svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    color: #FFC107;
}

.highlight-box p {
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
    color: #1E3A5F;
}

/* --- AJUSTES PARA MÓVILES --- */
@media (max-width: 600px) {
    .section-header h1 {
        font-size: 2.2rem;
    }

    .section-header p {
        font-size: 1rem;
    }

    .info-card {
        padding: 20px;
    }
}

.site-footer {
    background-color: #EAEAEA;
    color: #1E3A5F;
    padding: 60px 20px;
    font-size: 14px;
}

.footer-container {
    max-width: 1120px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    align-items: start;
}

.footer-column {
    flex: 1;
    min-width: 210px;
}

/* --- COLUMNA DE INFO Y LOGO --- */
.footer-info .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    font-size: 28px;
    color: #1E3A5F;
    margin: 0 0 20px 0;
}

.footer-info .copyright {
    font-size: 14px;
    line-height: 20px;
    margin-bottom: 20px;
}

/* --- COLUMNAS DE ENLACES --- */
.footer-links h4,
.footer-subscribe h4 {
    color: #343434;
    font-size: 20px;
    font-weight: 500;
    margin-top: 0;
    margin-bottom: 24px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links ul {
    list-style: disc;
    list-style-position: inside;
    padding-left: 0;
    margin-left: 0;
}

.footer-links ul a {
    transition: color 0.3s ease;
    text-decoration: none;
    color: #1E3A5F;
}

.footer-links ul a:hover {
    color: #FFC107;
    text-decoration: none;
}

/* --- DISEÑO RESPONSIVO --- */
@media (max-width: 768px) {
    .footer-container {
        grid-template-columns: 1fr;
        justify-items: center;
    }

    .footer-column {
        min-width: 100%;
        margin-bottom: 10px;
        text-align: center;
    }

    .footer-column:last-child {
        margin-bottom: 0;
    }

    .footer-info .footer-logo,
    .footer-info .copyright {
        margin-left: 0;
    }
}

/* Fuentes */

.ibm-plex-sans-regular {
    font-family: "IBM Plex Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

.ibm-plex-sans-bold {
    font-family: "IBM Plex Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 450;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

.josefin-sans-regular {
    font-family: "Josefin Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
}

.josefin-sans-bold {
    font-family: "Josefin Sans", sans-serif;
    font-optical-sizing: auto;
    font-weight: 450;
    font-style: normal;
}

.merriweather-regular {
    font-family: "Merriweather", serif;
    font-optical-sizing: auto;
    font-weight: 400;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}

.merriweather-bold {
    font-family: "Merriweather", serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-style: normal;
    font-variation-settings:
        "wdth" 100;
}