/* BASE & VARIABLES */
:root {
    --bg-principal: #121212;
    --bg-secundario: #1a1a1a;
    --dorado: #c5a880;
    --dorado-brillante: #e5cfa1;
    --texto-claro: #f5f5f5;
    --texto-mutado: #a0a0a0;
    --fuente-titulos: 'Playfair Display', Georgia, serif;
    --fuente-cuerpo: 'Montserrat', Helvetica, Arial, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-principal);
    color: var(--texto-claro);
    font-family: var(--fuente-cuerpo);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--fuente-titulos);
    font-weight: 400;
    letter-spacing: 1px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

/* NAVBAR */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(18, 18, 18, 0.95);
    border-bottom: 1px solid rgba(197, 168, 128, 0.2);
    z-index: 1000;
    padding: 1.2rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.6rem;
    color: var(--dorado);
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1010;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--dorado);
    transition: all 0.3s ease;
}

/* HERO SECTION */
#inicio {
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 1rem;
    background: linear-gradient(rgba(18, 18, 18, 0.8), rgba(18, 18, 18, 0.9)), 
                url('https://images.unsplash.com/photo-1579783902614-a3fb3927b6a5?q=80&w=1945&auto=format&fit=crop') no-repeat center center/cover;
}

#inicio h2 {
    font-size: 3.5rem;
    color: var(--texto-claro);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

#inicio p {
    font-size: 1.2rem;
    color: var(--dorado);
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 2rem;
    font-family: var(--fuente-titulos);
}

.btn-dorado {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 1px solid var(--dorado);
    color: var(--dorado);
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    background: transparent;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-dorado:hover {
    background-color: var(--dorado);
    color: var(--bg-principal);
    box-shadow: 0 0 15px rgba(197, 168, 128, 0.4);
}

.btn-linkedin {
    padding: 0.6rem 1.5rem;
    font-size: 0.75rem;
}

/* SECCIONES GENERALES */
section {
    padding: 6rem 10% 4rem 10%;
    border-bottom: 1px solid rgba(197, 168, 128, 0.1);
}

.titulo-seccion {
    font-size: 2.2rem;
    color: var(--dorado);
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
    text-transform: uppercase;
}

.titulo-seccion::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background-color: var(--dorado);
    margin: 1rem auto 0 auto;
}

/* SOBRE MÍ / BIOGRAFÍA */
.perfil-contenedor {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.perfil-texto p {
    margin-bottom: 1.5rem;
    color: var(--texto-claro);
    font-size: 1.05rem;
    text-align: justify;
}

.destaque-roma {
    background-color: var(--bg-secundario);
    border-left: 3px solid var(--dorado);
    padding: 1.5rem;
    margin-top: 2rem;
}

.destaque-roma h4 {
    color: var(--dorado);
    margin-bottom: 0.5rem;
    font-size: 1.15rem;
}

/* SERVICIOS */
.servicios-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.servicio-card {
    background-color: var(--bg-secundario);
    padding: 2.5rem 1.5rem;
    border: 1px solid rgba(197, 168, 128, 0.05);
    text-align: center;
    transition: transform 0.3s ease, border 0.3s ease;
}

.servicio-card:hover {
    transform: translateY(-5px);
    border: 1px solid var(--dorado);
}

.servicio-card h3 {
    color: var(--dorado);
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

.servicio-card p {
    color: var(--texto-mutado);
    font-size: 0.95rem;
}

/* PORTFOLIO / GALERÍA INTERACTIVA */
.filtros-portfolio {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.btn-filtro {
    background: transparent;
    border: 1px solid rgba(197, 168, 128, 0.3);
    color: var(--texto-mutado);
    padding: 0.5rem 1.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-filtro.activo, .btn-filtro:hover {
    border-color: var(--dorado);
    color: var(--dorado);
    background-color: rgba(197, 168, 128, 0.05);
}

.galeria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.galeria-item {
    position: relative;
    overflow: hidden;
    height: auto;
}

/* Dimensionado para ítems tradicionales en el grid */
.galeria-grid > .galeria-item:not(.carrusel-arq-wrapper) {
    height: 250px;
    background-color: #222;
}

/* Excepción para que el contenedor del video ocupe su propia altura sin recortarse */
.galeria-grid > .galeria-item:has(.video-contenedor) {
    height: auto !important;
    background-color: transparent;
}

.galeria-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
    filter: grayscale(30%);
}

.galeria-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(18, 18, 18, 0.85);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    padding: 1rem;
    text-align: center;
    border: 1px solid var(--dorado);
}

.galeria-grid > .galeria-item:not(.carrusel-arq-wrapper):hover img {
    transform: scale(1.05);
}

.galeria-grid > .galeria-item:not(.carrusel-arq-wrapper):hover .galeria-overlay {
    opacity: 1;
}

.galeria-overlay h4 {
    color: var(--dorado);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.galeria-overlay p {
    font-size: 0.85rem;
    color: var(--texto-claro);
}

/* CONTROL DINÁMICO DEL CARRUSEL ARQUITECTURA */
.carrusel-arq-wrapper {
    grid-column: 1 / -1;
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: auto !important;
    overflow: visible !important;
    background: transparent;
}

.galeria-item-foto {
    position: relative;
    overflow: hidden;
    height: 280px;
    background-color: #1a1a1a;
}

.galeria-item-foto img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: none !important;
    transform: none !important;
}

/* BARRA DE BOTONES INFERIOR */
.carrusel-controles-inferiores {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 0.5rem auto 0 auto;
    width: 100%;
    max-width: 600px;
}

.carrusel-etiqueta {
    position: static;
    transform: none;
    font-family: var(--fuente-titulos);
    font-size: 1.1rem;
    color: var(--dorado);
    letter-spacing: 1.5px;
    text-transform: none;
    text-align: center;
    min-width: 320px;
    transition: opacity 0.3s ease;
}

.carrusel-flecha {
    background: transparent;
    border: 1px solid rgba(197, 168, 128, 0.4);
    color: var(--dorado);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carrusel-flecha:hover {
    background-color: var(--dorado);
    color: var(--bg-principal);
    border-color: var(--dorado);
}

.carrusel-arq-grid {
    width: 100%;
    overflow: hidden;
    position: relative;
    min-height: 280px;
}

.carrusel-estado {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.carrusel-estado.activo-estado {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
}

.carrusel-estado.saliendo-izq {
    opacity: 0;
    transform: translateX(-30px);
}

.carrusel-estado.saliendo-der {
    opacity: 0;
    transform: translateX(30px);
}

/* CONTENEDOR DE VIDEO RECTANGULAR/CUADRADO ADAPTATIVO */
.video-contenedor {
    position: relative;
    padding-bottom: 25%; /* Relación clásica horizontal 16:9 */
    height: 0;
    overflow: hidden;
    max-width: 400px; /* Tamaño controlado de recuadro en pantalla de PC */
    margin: 0 auto;
    border: 1px solid var(--dorado);
}

.video-contenedor iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* CONTACTO */
.contacto-contenedor {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

.info-contacto h3 {
    color: var(--dorado);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.info-contacto p {
    margin-bottom: 1rem;
    color: var(--texto-claro);
}

.info-contacto span {
    color: var(--texto-mutado);
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.link-contacto:hover {
    color: var(--dorado-brillante);
    text-decoration: underline;
}

.formulario-contacto {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.form-grupo input, .form-grupo textarea {
    width: 100%;
    padding: 0.8rem;
    background-color: var(--bg-secundario);
    border: 1px solid rgba(197, 168, 128, 0.2);
    color: var(--texto-claro);
    font-family: var(--fuente-cuerpo);
    font-size: 0.9rem;
}

.form-grupo input:focus, .form-grupo textarea:focus {
    outline: none;
    border-color: var(--dorado);
}

/* FOOTER */
footer {
    text-align: center;
    padding: 2rem;
    background-color: #0d0d0d;
    font-size: 0.85rem;
    color: var(--texto-mutado);
    border-top: 1px solid rgba(197, 168, 128, 0.05);
}

/* MEDIA QUERIES PARA CELULARES */
@media (max-width: 768px) {
    header {
        padding: 1rem 5%;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-container {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: rgba(26, 26, 26, 0.98);
        border-left: 1px solid rgba(197, 168, 128, 0.2);
        padding: 6rem 2rem 2rem 2rem;
        transition: right 0.4s ease;
    }

    .nav-container.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        gap: 2.5rem;
        align-items: flex-start;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    #inicio h2 {
        font-size: 2.2rem;
    }
    #inicio p {
        font-size: 1rem;
        letter-spacing: 1px;
    }

    section {
        padding: 4rem 6% 3rem 6%;
    }

    .titulo-seccion {
        font-size: 1.8rem;
        margin-bottom: 2.5rem;
    }

    .contacto-contenedor {
        gap: 2rem;
    }
    
    .carrusel-controles-inferiores {
        gap: 0.8rem;
    }
    
    .carrusel-etiqueta {
        font-size: 0.95rem;
        min-width: auto;
    }
}