/* Variables de color y tipografía */
:root {
    --primary-color: #2A5E90;
    --primary-dark: #1E4A75;
    --secondary-color: #E74C3C;
    --light-color: #F8F9FA;
    --dark-color: #343A40;
    --gray-color: #6C757D;
    --light-gray: #E9ECEF;
    --font-main: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-secondary);
    color: var(--dark-color);
    background-color: var(--light-color);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
}

/* Header */
.main-header {
    background: #3B83BD;    
    color: white;
    padding: 40px 0 40px 80px;
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.back-button {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 14px 28px;
    border-radius: 40px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background-color: #1E4A75;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.15);
    font-weight: 600;
    min-width: 200px;
    letter-spacing: 0.5px;
}

.back-button:hover {
    background-color: #153557;
    transform: translateY(-50%) scale(1.03);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.25);
}

.back-button:active {
    transform: translateY(-50%) scale(0.98);
    background-color: #0F2A42;
}

.back-button i {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.back-button:hover i {
    transform: translateX(-3px);
}

.site-title {
    font-family: var(--font-main);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.site-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Filtros */
.filter-section {
    background: white;
    padding: 25px 0;
    box-shadow: var(--box-shadow);
    margin-bottom: 40px;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-group {
    display: flex;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    font-size: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: 30px 0 0 30px;
    transition: var(--transition);
    font-family: var(--font-secondary);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-button {
    background-color: #3B83BD;
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.date-time-group {
    display: flex;
    gap: 10px;
}

/* Sección de noticias */
.news-section {
    padding-bottom: 50px;
    padding: 80px 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.section-title {
    font-family: var(--font-main);
    font-size: 1.8rem;
    color: var(--primary-dark);
    flex-grow: 1;
}

.results-count {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* Formulario adicional de filtros de noticias */
.news-filter-form {
    max-width: 900px;
    margin: 0 auto 2rem auto;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.news-filter-form input[type="text"],
.news-filter-form input[type="date"] {
    padding: 10px 14px;
    border: 1.8px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-secondary);
    width: 200px;
    transition: border-color 0.3s ease;
}

.news-filter-form input[type="text"]:focus,
.news-filter-form input[type="date"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.news-filter-form button[type="submit"] {
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    min-width: 100px;
}

.news-filter-form button[type="submit"]:hover {
    background-color: var(--primary-dark);
}

.news-filter-form .clear-btn {
    background: transparent;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    text-decoration: underline;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    padding: 0;
}

.news-filter-form .clear-btn:hover {
    color: #B02A1A;
}

/* Grid de cards */
.news-grid-3d {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

/* Card individual */
.news-card-3d {
    background: white;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    cursor: pointer;
    will-change: transform;
    user-select: none;
}

.news-card-3d:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.18);
}

/* Imagen de noticia */
.news-img-container {
    position: relative;
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card-3d:hover .news-img {
    transform: scale(1.1);
}

/* Badges */
.news-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--secondary-color);
    color: white;
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    user-select: none;
}

.news-badge.trending {
    background-color: #E67E22; /* naranja */
}

.news-badge.hot {
    background-color: #C0392B; /* rojo más oscuro */
}

/* Contenido de la noticia */
.news-content {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-content h3 {
    font-family: var(--font-main);
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 10px;
    line-height: 1.2;
}

.news-content p {
    color: var(--gray-color);
    flex-grow: 1;
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Video */
.news-video {
    border-radius: 8px;
    background: #000;
    max-height: 200px;
}

/* Link Leer más */
.read-more {
    align-self: flex-start;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--primary-dark);
}

/* Sin resultados */
.no-news {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    font-family: var(--font-main);
    font-size: 1.2rem;
    color: var(--gray-color);
}

/* Footer */
.main-footer {
    background: var(--dark-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .main-header {
        padding-left: 70px;
        padding-right: 20px;
    }

    .back-button {
        left: 10px;
        padding: 6px 10px;
        font-size: 14px;
        min-width: auto;
    }

    .back-button span {
        display: none;
    }

    .site-title {
        font-size: 2rem;
    }

    .news-grid-3d {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .news-filter-form {
        flex-direction: column;
        gap: 15px;
        max-width: 100%;
    }

    .news-filter-form input[type="text"],
    .news-filter-form input[type="date"],
    .news-filter-form button[type="submit"],
    .news-filter-form .clear-btn {
        width: 100%;
        min-width: auto;
    }
}
/* Variables de color y tipografía */
:root {
    --primary-color: #2A5E90;
    --primary-dark: #1E4A75;
    --secondary-color: #E74C3C;
    --light-color: #F8F9FA;
    --dark-color: #343A40;
    --gray-color: #6C757D;
    --light-gray: #E9ECEF;
    --font-main: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-secondary);
    color: var(--dark-color);
    background-color: var(--light-color);
    line-height: 1.6;
}

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

/* Header */
.main-header {
    background: #3B83BD;    
    color: white;
    padding: 40px 0 40px 80px;
    text-align: center;
    margin-bottom: 30px;
    position: relative;
}

.back-button {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: white;
    text-decoration: none;
    font-size: 18px;
    padding: 14px 28px;
    border-radius: 40px;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    background-color: #1E4A75;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.15);
    font-weight: 600;
    min-width: 200px;
    letter-spacing: 0.5px;
}

.back-button:hover {
    background-color: #153557;
    transform: translateY(-50%) scale(1.03);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.25);
}

.back-button:active {
    transform: translateY(-50%) scale(0.98);
    background-color: #0F2A42;
}

.back-button i {
    font-size: 20px;
    transition: transform 0.3s ease;
}

.back-button:hover i {
    transform: translateX(-3px);
}

.site-title {
    font-family: var(--font-main);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.site-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Filtros */
.filter-section {
    background: white;
    padding: 25px 0;
    box-shadow: var(--box-shadow);
    margin-bottom: 40px;
}

.search-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-group {
    display: flex;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.search-input {
    flex: 1;
    padding: 12px 20px;
    font-size: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: 30px 0 0 30px;
    transition: var(--transition);
    font-family: var(--font-secondary);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-button {
    background-color: #3B83BD;
    color: white;
    border: none;
    padding: 0 25px;
    border-radius: 0 30px 30px 0;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.date-time-group {
    display: flex;
    gap: 10px;
}

/* Sección de noticias */
.news-section {
    padding-bottom: 50px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.section-title {
    font-family: var(--font-main);
    font-size: 1.8rem;
    color: var(--primary-dark);
    flex-grow: 1;
}

.results-count {
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* Formulario adicional de filtros de noticias */
.news-filter-form {
    max-width: 900px;
    margin: 0 auto 2rem auto;
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
}

.news-filter-form input[type="text"],
.news-filter-form input[type="date"] {
    padding: 10px 14px;
    border: 1.8px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    font-family: var(--font-secondary);
    width: 200px;
    transition: border-color 0.3s ease;
}

.news-filter-form input[type="text"]:focus,
.news-filter-form input[type="date"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

.news-filter-form button[type="submit"] {
    padding: 10px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s ease;
    min-width: 100px;
}

.news-filter-form button[type="submit"]:hover {
    background-color: var(--primary-dark);
}

.news-filter-form .clear-btn {
    background: transparent;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    text-decoration: underline;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    padding: 0;
}

.news-filter-form .clear-btn:hover {
    color: #B02A1A;
}

/* Grid de cards */
.news-grid-3d {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

/* Card individual */
.news-card-3d {
    background: white;
    border-radius: 12px;
    box-shadow: var(--box-shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    cursor: pointer;
    will-change: transform;
    user-select: none;
}

.news-card-3d:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.18);
}

/* Imagen de noticia */
.news-img-container {
    position: relative;
    height: 200px;
    overflow: hidden;
    flex-shrink: 0;
}

.news-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-card-3d:hover .news-img {
    transform: scale(1.1);
}

/* Badges */
.news-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background-color: var(--secondary-color);
    color: white;
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 20px;
    text-transform: uppercase;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    user-select: none;
}

.news-badge.trending {
    background-color: #E67E22; /* naranja */
}

.news-badge.hot {
    background-color: #C0392B; /* rojo más oscuro */
}

/* Contenido de la noticia */
.news-content {
    padding: 20px 22px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.news-content h3 {
    font-family: var(--font-main);
    font-size: 1.3rem;
    color: var(--dark-color);
    margin-bottom: 10px;
    line-height: 1.2;
}

.news-content p {
    color: var(--gray-color);
    flex-grow: 1;
    margin-bottom: 15px;
    font-size: 0.95rem;
    line-height: 1.4;
}

/* Video */
.news-video {
    border-radius: 8px;
    background: #000;
    max-height: 200px;
}

/* Link Leer más */
.read-more {
    align-self: flex-start;
    font-weight: 600;
    color: var(--primary-color);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: var(--primary-dark);
}

/* Sin resultados */
.no-news {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    font-family: var(--font-main);
    font-size: 1.2rem;
    color: var(--gray-color);
}

/* Footer */
.main-footer {
    background: var(--dark-color);
    color: white;
    padding: 30px 0;
    text-align: center;
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    .main-header {
        padding-left: 70px;
        padding-right: 20px;
    }

    .back-button {
        left: 10px;
        padding: 6px 10px;
        font-size: 14px;
        min-width: auto;
    }

    .back-button span {
        display: none;
    }

    .site-title {
        font-size: 2rem;
    }

    .news-grid-3d {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .news-filter-form {
        flex-direction: column;
        gap: 15px;
        max-width: 100%;
    }

    .news-filter-form input[type="text"],
    .news-filter-form input[type="date"],
    .news-filter-form button[type="submit"],
    .news-filter-form .clear-btn {
        width: 100%;
        min-width: auto;
    }
}