/* =========================================
   1. CONFIGURACIÓN BÁSICA (RESET)
   ========================================= */
:root {
    --azul-corporativo: rgb(15, 76, 129);
    --blanco: #ffffff;
    --gris-texto: #333333;
    --fuente: 'Mulish', sans-serif;
}

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

body {
    font-family: var(--fuente);
    font-weight: 300;
    color: var(--gris-texto);
    line-height: 1.6;
    background-color: var(--blanco);
}

/* =========================================
   2. CABECERA (ESTÁNDAR PARA PÁGINA DE PROYECTOS)
   ========================================= */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    position: sticky;
    top: 0;
    background: #fff;
    z-index: 100;
    border-bottom: 1px solid #eee;
}

.logo-brand {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    width: max-content; 
}

.logo-upper {
    font-size: 1.6rem;
    display: flex;
    gap: 0.4rem;
    white-space: nowrap; 
}

.text-marcos { color: #000; font-weight: 300; }
.text-carrascosa { color: var(--azul-corporativo); font-weight: 700; }

.logo-lower {
    display: flex;
    justify-content: space-between; 
    width: 98%; 
    font-size: 0.67rem; 
    color: #000;
    margin-top: -7px;
    margin-left: 2px;
    text-transform: uppercase;
}

.header-transparent .text-marcos,
.header-transparent .logo-lower {
    color: #fff !important; 
    text-shadow: none !important;
}

.header-transparent .text-carrascosa {
    color: var(--azul-corporativo) !important;
    text-shadow: none !important;
}

nav a {
    text-decoration: none;
    color: #666;
    margin-left: 2rem;
    font-size: 0.95rem;
    transition: color 0.3s;
}

nav a:hover {
    color: var(--azul-corporativo);
}

/* =========================================
   3. CABECERA TRANSPARENTE (SOLO PARA PORTADA)
   ========================================= */
.header-transparent {
    position: absolute;
    width: 100%;
    background: transparent !important;
    border: none;
    box-shadow: none;
}

.header-transparent .logo {
    color: var(--azul-corporativo) !important;
}

.header-transparent nav a {
    color: #fff !important;
}

/* =========================================
   4. CARRUSEL / PORTADA (SLIDER)
   ========================================= */
.home-body {
    overflow: hidden;
    height: 100vh;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100vh;
}

.slide {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: flex-end;
    text-decoration: none;
}

.slide img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: -1;
    filter: brightness(0.9); 
}

.slide-info {
    padding: 3rem 4rem;
    color: #fff;
    z-index: 10;
    width: 100%;
}

.slide-info h2 {
    font-size: 1.1rem; 
    font-weight: 600;
    text-transform: uppercase;
}

.slide-info p {
    font-size: 0.9rem;
    font-weight: 300;
    opacity: 0.8;
}

.prev, .next {
    cursor: pointer;
    position: absolute;
    top: 50%;
    width: auto;
    padding: 16px;
    margin-top: -22px;
    color: white;
    font-weight: bold;
    font-size: 24px;
    transition: 0.6s ease;
    user-select: none;
    z-index: 20;
    opacity: 0;
}

.slider-container:hover .prev, 
.slider-container:hover .next {
    opacity: 1;
}

.next { right: 0; }
.prev { left: 0; }

/* =========================================
   5. PÁGINA DE PROYECTOS (GRID - ÍNDICE)
   ========================================= */
.container {
    padding: 4rem 3rem;
    max-width: 1400px;
    margin: 0 auto;
}

.section-title {
    color: var(--azul-corporativo);
    margin-bottom: 2rem;
    font-weight: 400;
    font-size: 1.5rem;
    border-bottom: 1px solid var(--azul-corporativo);
    display: inline-block;
    padding-bottom: 5px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 20px;
}

.proyecto {
    position: relative;
    cursor: pointer;
    transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
    transform: scale(1);
    opacity: 1;
}

.proyecto.animar-salida {
    transform: scale(0); 
    opacity: 0;          
}

.img-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

.overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 76, 129, 0.75); 
    color: #fff; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.proyecto:hover .overlay { opacity: 1; }
.proyecto:hover img { transform: scale(1.05); }

.overlay h2 {
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff; 
    margin-bottom: 0.5rem;
    text-shadow: none;
    width: 60%;        
    margin-left: auto; 
    margin-right: auto;
    text-align: center;
}

.overlay p { 
    font-weight: 400;
    color: #eee; 
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
    margin-top: 0.5rem; 
}

/* =========================================
   6. FOOTER 
   ========================================= */
footer {
    background-color: #fff;
    color: #333;
    padding: 4rem 2rem 2rem 2rem;
    text-align: center;
    border-top: 1px solid #eee;
    margin-top: 4rem;
}

.footer-branding h2 {
    font-size: 2rem;
    font-weight: 700; 
    color: var(--azul-corporativo); 
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.footer-branding span {
    display: block;
    font-size: 0.9rem;
    font-weight: 400;
    color: #666;
    letter-spacing: 6px;
    text-transform: uppercase;
}

.footer-divider {
    width: 50px;
    height: 1px;
    background-color: #999;
    margin: 2rem auto;
}

.footer-icons {
    margin-bottom: 4rem;
}

.footer-icons a {
    color: #000;
    font-size: 1.5rem;
    margin: 0 1rem;
    transition: color 0.3s ease;
    text-decoration: none;
}

.footer-icons a:hover {
    color: var(--azul-corporativo);
}

.footer-bottom {
    border-top: 1px solid #eee;
    padding-top: 1.5rem;
    width: 100%;
    display: grid; 
    grid-template-columns: 1fr auto 1fr; 
    align-items: center;
    font-size: 0.7rem; 
    color: #888;
}

.copyright { text-align: left; }
.email-text { text-align: center; }
.legal-links { text-align: right; }

.footer-bottom a {
    color: #888;
    text-decoration: none;
    margin-left: 1rem;
    transition: color 0.3s;
}

.footer-bottom a:hover {
    color: #000;
    text-decoration: underline;
}

/* =========================================
   7. ESTILOS DE FICHA DE PROYECTO
   ========================================= */
.project-header {
    padding-top: 3rem;
    padding-bottom: 3rem;
    max-width: 900px; 
    text-align: left;
}

.project-title {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--azul-corporativo);
    margin-bottom: 1.5rem;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    font-size: 0.85rem;
    color: #888;
    margin-bottom: 2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 2rem;
}

.project-meta strong {
    color: #333;
    font-weight: 600;
}

.project-description {
    font-size: 1rem;
    line-height: 1.8;
    color: #555;
}

.project-gallery {
    width: 100%;
    max-width: 900px; 
    margin: 0 auto;
    padding: 0 2rem 4rem 2rem;
}

.photo-block {
    margin-bottom: 2rem; 
}

.photo-block img {
    width: 100%; 
    height: auto;
    display: block;
}

.project-nav {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    padding-bottom: 2rem;
    border-top: 1px solid #eee;
}

.project-nav a {
    text-decoration: none;
    color: var(--azul-corporativo);
    font-weight: 600;
}

.project-content-grid {
    display: grid;
    grid-template-columns: 250px 1fr; 
    gap: 4rem; 
    align-items: start; 
    padding-top: 2rem;
    padding-bottom: 4rem;
}

.project-sidebar {
    position: sticky;
    top: 120px;
}

.meta-item {
    margin-bottom: 1.5rem; 
}

.label {
    display: block; 
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #999; 
    margin-bottom: 0.3rem;
}

.value {
    display: block;
    font-size: 0.95rem;
    color: #333; 
    font-weight: 400;
    line-height: 1.4;
}

.project-text {
    max-width: 800px; 
}

.project-text p {
    margin-bottom: 1.5rem;
    font-size: 1rem;
    line-height: 1.8;
    color: #444;
    text-align: justify; 
}

.dots-container {
    position: absolute;
    bottom: 25px; 
    width: 100%;
    text-align: center; 
    z-index: 20;
}

.dot {
    cursor: pointer;
    height: 8px;
    width: 8px;
    margin: 0 6px; 
    background-color: rgba(255, 255, 255, 0.2); 
    border-radius: 50%; 
    display: inline-block;
    transition: background-color 0.3s ease;
    border: 1px solid transparent; 
    box-shadow: 0 1px 3px rgba(0,0,0,0.3); 
}

.active-dot, .dot:hover {
    background-color: var(--azul-corporativo); 
    transform: scale(1.3); 
    opacity: 0.8;
    border: 0px solid rgba(255, 255, 255, 0.5); 
}

.filter-menu {
    margin-bottom: 3rem;
    display: flex;
    gap: 2rem; 
    justify-content: center; 
    flex-wrap: wrap; 
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--fuente);
    font-size: 1rem;
    color: #999; 
    cursor: pointer;
    padding: 0;
    transition: color 0.3s;
}

.filter-btn:hover, 
.filter-btn.active {
    color: var(--azul-corporativo); 
    font-weight: 700;
}

/* =========================================
   8. AJUSTES PARA MÓVILES Y PANTALLAS PEQUEÑAS
   ========================================= */
html, body {
    max-width: 100vw;
    overflow-x: hidden;
}

@media (max-width: 768px) {
    header {
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center;
        gap: 15px;
        padding: 20px 5%;
    }
    
    nav {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        text-align: center;
    }
    
    nav a { margin-left: 0; }
    .logo-upper { font-size: 1.4rem; }

    .home-body {
        height: 100vh;
        height: 100svh; 
    }
    
    .slider-container {
        height: 100vh;
        height: 100svh;
    }

    .slide-info {
        padding: 2rem;
        padding-bottom: 100px;
    }

    .dots-container { bottom: 30px; }
    
    .container { padding: 2rem 1.5rem; }
    .filter-menu { gap: 1rem; }
    
    .project-content-grid {
        grid-template-columns: 1fr; 
        gap: 2rem;
    }
    
    .project-sidebar {
        background: #f9f9f9; 
        padding: 1.5rem;
        border-radius: 4px;
        position: static;
    }

    .footer-bottom {
        display: flex;
        flex-direction: column;
        gap: 0.8rem;
        text-align: center;
    }
    
    .copyright, .email-text, .legal-links { text-align: center; }
    .legal-links a { margin: 0 0.5rem; }
}

/* Ajustes para la cuadrícula de proyectos en móviles */
@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr !important; /* Fuerza a 1 sola columna */
        padding: 0 15px; /* Añade un pequeño margen lateral para que no toque los bordes */
        width: 100%;
        box-sizing: border-box;
    }
    
    .proyecto .img-wrapper {
        width: 100%;
    }
    
    .proyecto .img-wrapper img {
        width: 100%;
        height: auto;
        object-fit: cover; /* Asegura que la foto no se deforme */
    }

    /* Mejora el espacio de los botones de filtro en móvil */
    .filter-menu {
        padding: 0 15px;
        gap: 10px;
        justify-content: center;
    }
}

/* Visor de imágenes (Lightbox) */
.project-images img {
    cursor: zoom-in;
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
}

.lightbox-content {
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    user-select: none;
}

.close-lightbox, .prev-lightbox, .next-lightbox {
    position: absolute;
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    user-select: none;
    padding: 15px;
    transition: color 0.3s;
}

.close-lightbox:hover, .prev-lightbox:hover, .next-lightbox:hover {
    color: var(--azul-corporativo);
}

.close-lightbox {
    top: 15px;
    right: 25px;
}

.prev-lightbox {
    left: 15px;
}

.next-lightbox {
    right: 15px;
}

@media (max-width: 768px) {
    .close-lightbox { top: 5px; right: 10px; font-size: 30px; }
    .prev-lightbox { left: 0; font-size: 30px; }
    .next-lightbox { right: 0; font-size: 30px; }
}