/* ==========================================================================
   RESET & VARIABLES
   ========================================================================== */
:root {
    --color-bg: #ffffff;
    --color-text: #1a1a1a;
    --color-text-light: #666666;
    --color-overlay: rgba(0, 0, 0, 0.95);
    --color-white: #ffffff;
    
    --font-primary: 'Inter', sans-serif;
    
    --transition-fast: 200ms ease;
    --transition-normal: 400ms ease;
    --transition-slow: 800ms ease;
    
    --gap-gallery: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
    color: inherit;
}

/* Utilidades */
.hidden {
    display: none !important;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: background-color var(--transition-normal), padding var(--transition-normal);
    padding: 24px 0;
}

#main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 16px 0;
    box-shadow: 0 1px 10px rgba(0,0,0,0.05);
}

.header-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 15px;
    text-decoration: none;
}

.header-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: filter var(--transition-normal);
}

.logo-text {
    font-weight: 600;
    font-size: 1.2rem;
    letter-spacing: 0.1em;
    line-height: 1.2;
    color: var(--color-white);
    transition: color var(--transition-normal);
}

.logo-text span {
    font-weight: 300;
    font-size: 0.9rem;
    letter-spacing: 0.15em;
}

#main-header.scrolled .logo-text {
    color: var(--color-text);
}

#main-header.scrolled .header-logo {
    /* Si tu logo original es blanco, esto lo invierte a oscuro al hacer scroll.
       Ajustar según el color real de tu logo. */
    filter: invert(1); 
}

.main-nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-white);
    transition: color var(--transition-normal), opacity var(--transition-fast);
}

.nav-link:hover {
    opacity: 0.7;
}

#main-header.scrolled .nav-link {
    color: var(--color-text);
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }
    .main-nav {
        display: none; /* Ocultar menú en móvil para máximo minimalismo, o adaptar a menú hamburguesa */
    }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    height: 100svh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2); /* Sutil oscurecimiento para legibilidad */
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    color: var(--color-white);
}

.hero-subtitle {
    font-weight: 400;
    font-size: 1.2rem;
    letter-spacing: 0.3em;
    margin-bottom: 10px;
    opacity: 0.9;
}

.hero-title {
    font-weight: 300;
    font-size: 4rem;
    letter-spacing: 0.4em;
}

.btn-video {
    position: absolute;
    bottom: 40px;
    right: 40px;
    z-index: 3;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: var(--color-white);
    padding: 12px 32px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    border-radius: 0; /* Premium minimalista */
    transition: all var(--transition-fast);
}

.btn-video:hover {
    background: var(--color-white);
    color: var(--color-text);
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 0.2em;
    }
    .hero-subtitle {
        font-size: 1rem;
    }
    .btn-video {
        bottom: 30px;
        right: 50%;
        transform: translateX(50%);
        width: max-content;
    }
}

/* ==========================================================================
   GALERÍA (FILTROS Y ACCIONES)
   ========================================================================== */
.gallery-section {
    padding: 60px 40px;
    max-width: 1800px;
    margin: 0 auto;
}

.gallery-filters-wrapper {
    margin-bottom: 20px;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.gallery-filters-wrapper::-webkit-scrollbar {
    display: none;
}

.gallery-filters {
    display: flex;
    list-style: none;
    gap: 32px;
    justify-content: center;
    min-width: max-content;
}

.filter-btn {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.1em;
    padding-bottom: 4px;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
    color: var(--color-text);
    border-bottom-color: var(--color-text);
}

.gallery-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 30px;
}

.action-btn {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    transition: color var(--transition-fast);
}

.action-btn:hover {
    color: var(--color-text);
}

@media (max-width: 768px) {
    .gallery-section {
        padding: 40px 16px;
    }
    .gallery-filters {
        justify-content: flex-start;
        padding: 0 10px;
    }
    .gallery-actions {
        margin-top: 16px;
        justify-content: center;
    }
}

/* ==========================================================================
   MASONRY GRID
   ========================================================================== */
.masonry-grid {
    column-count: 4;
    column-gap: var(--gap-gallery);
}

.masonry-item {
    break-inside: avoid;
    margin-bottom: var(--gap-gallery);
    cursor: pointer;
    overflow: hidden;
    position: relative;
    background-color: #f5f5f5; /* placeholder sutil */
}

.masonry-item picture, 
.masonry-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 500ms ease, filter 500ms ease;
    will-change: transform;
}

.masonry-item:hover img {
    transform: scale(1.015);
    filter: brightness(0.95);
}

@media (max-width: 1200px) {
    .masonry-grid { column-count: 3; }
}

@media (max-width: 768px) {
    .masonry-grid { column-count: 2; }
}

@media (max-width: 480px) {
    .masonry-grid { column-count: 1; }
}

/* ==========================================================================
   LIGHTBOX
   ========================================================================== */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-overlay);
}

.lightbox-content {
    position: relative;
    z-index: 1001;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    user-select: none;
    opacity: 0;
    transform: scale(0.98);
    transition: opacity var(--transition-normal), transform var(--transition-normal);
}

.lightbox.image-loaded .lightbox-content img {
    opacity: 1;
    transform: scale(1);
}

/* Controles Lightbox */
.lightbox-close,
.lightbox-prev,
.lightbox-next {
    position: absolute;
    z-index: 1002;
    color: rgba(255,255,255,0.7);
    font-size: 2rem;
    font-weight: 300;
    transition: color var(--transition-fast), transform var(--transition-fast);
    padding: 20px;
}

.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
    color: #fff;
}

.lightbox-close {
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    line-height: 1;
}

.lightbox-prev {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-next {
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.lightbox-controls-overlay {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1002;
    display: flex;
    gap: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal);
}

.lightbox.slideshow-active .lightbox-controls-overlay {
    opacity: 1;
    visibility: visible;
}

.lightbox.controls-hidden .lightbox-close,
.lightbox.controls-hidden .lightbox-prev,
.lightbox.controls-hidden .lightbox-next,
.lightbox.controls-hidden .lightbox-controls-overlay {
    opacity: 0 !important;
}

.icon-btn {
    color: white;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
}

@media (max-width: 768px) {
    .lightbox-content { padding: 0; }
    .lightbox-prev, .lightbox-next { display: none; /* Se usará swipe */ }
    .lightbox-close { top: 10px; right: 10px; }
}

/* ==========================================================================
   VIDEO MODAL
   ========================================================================== */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
}

.video-container {
    position: relative;
    z-index: 2001;
    width: 100%;
    height: 100%;
    max-width: 1920px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.video-container video {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.video-close {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2002;
    color: #fff;
    font-size: 3rem;
    font-weight: 300;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.video-close:hover {
    opacity: 1;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    padding: 80px 40px;
    text-align: center;
}

.footer-content p {
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    font-weight: 500;
    margin-bottom: 8px;
}

.footer-location {
    font-size: 0.75rem !important;
    font-weight: 300 !important;
    color: var(--color-text-light);
    letter-spacing: 0.1em !important;
    margin-bottom: 30px !important;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-links a {
    font-size: 0.8rem;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text);
}

.copyright {
    font-size: 0.7rem !important;
    font-weight: 300 !important;
    color: #999;
}

/* ==========================================================================
   VIDEO MODAL — FORZAR LANDSCAPE EN MÓVIL
   Si el navegador no permite bloquear la orientación vía JS,
   el video se rota visualmente para aprovechar el ancho de pantalla.
   ========================================================================== */
@media (max-width: 768px) and (orientation: portrait) {
    .video-modal.active .video-container {
        position: fixed;
        top: 50%;
        left: 50%;
        width: 100vh;   /* ancho = alto real del viewport */
        height: 100vw;  /* alto = ancho real del viewport */
        transform: translate(-50%, -50%) rotate(90deg);
        transform-origin: center center;
    }

    .video-container video {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
}