/* =====================================================
   TOPSIDE FRONT — Hoja de estilos principal
   ===================================================== */

/* ----- Tipografías de marca ----- */
@font-face {
    font-family: 'Roboto Condensed';
    src: url('../assets/fonts/RobotoCondensed-Light_0.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto Condensed';
    src: url('../assets/fonts/RobotoCondensed-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto Condensed';
    src: url('../assets/fonts/RobotoCondensed-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'Roboto Condensed';
    src: url('../assets/fonts/RobotoCondensed-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../assets/fonts/OpenSans-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../assets/fonts/OpenSans-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../assets/fonts/OpenSans-Italic.ttf') format('truetype');
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../assets/fonts/OpenSans-Semibold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Open Sans';
    src: url('../assets/fonts/OpenSans-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ----- Variables de marca -----
   Pendiente: actualizar los colores con los valores
   oficiales del manual de identidad 2024 */
:root {
    --color-primario: #000000;
    --color-secundario: #ffffff;
    --color-acento: #cccccc;
    --color-texto: #1a1a1a;
    --color-fondo: #ffffff;

    --fuente-principal: 'Open Sans', Arial, Helvetica, sans-serif;
    --fuente-titulos: 'Roboto Condensed', Arial, Helvetica, sans-serif;

    --ancho-maximo: 1200px;
}

/* ----- Reset básico ----- */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--fuente-principal);
    color: var(--color-texto);
    background-color: var(--color-fondo);
    line-height: 1.6;
}

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

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

ul {
    list-style: none;
}

/* ----- Utilidades ----- */
.container {
    max-width: var(--ancho-maximo);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ----- Encabezado y navegación ----- */
.site-header {
    background-color: var(--color-primario);
    padding: 1rem 0;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-img {
    height: 90px;
    width: auto;
}

.main-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
}

.main-nav a {
    color: var(--color-secundario);
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: border-color 0.2s ease, opacity 0.2s ease;
}

.main-nav a:hover,
.main-nav a:focus {
    border-bottom-color: var(--color-secundario);
}

/* Menú apilado en pantallas pequeñas */
@media (max-width: 700px) {
    .site-header .container {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .main-nav ul {
        justify-content: center;
        gap: 1rem 1.5rem;
    }

    .site-header .social-icons {
        justify-content: center;
    }
}

/* ----- Títulos ----- */
h1, h2, h3, h4 {
    font-family: var(--fuente-titulos);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ----- Sección hero ----- */
.hero {
    padding: 4rem 0;
    text-align: center;
}

/* ----- Secciones genéricas ----- */
.section {
    padding: 4rem 0;
}

.section h2 {
    margin-bottom: 1rem;
}

/* ----- Animación de revelado al hacer scroll -----
   js/main.js agrega la clase .in cuando el elemento entra
   al viewport. Con animaciones reducidas no hay transición. */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.9s ease, transform 0.9s ease;
    }
}

.reveal.in {
    opacity: 1;
    transform: none;
}

/* ----- Página Manifesto ----- */
.eyebrow {
    font-family: var(--fuente-titulos);
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.42em;
    text-transform: uppercase;
    color: var(--color-acento);
    margin-bottom: 1.4rem;
}

.manifesto-hero {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.manifesto-hero h1 {
    font-weight: 300;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    line-height: 1.02;
    margin-bottom: 1.2rem;
}

.manifesto-hero .lede {
    font-weight: 300;
    font-style: italic;
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-acento);
    max-width: 40ch;
}

.manifesto {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: clamp(2rem, 5vw, 4rem) 0 clamp(4rem, 9vw, 7rem);
}

.principles {
    display: grid;
}

.principle {
    display: grid;
    grid-template-columns: minmax(70px, 1fr) 9fr;
    gap: clamp(1rem, 3vw, 2.6rem);
    align-items: start;
    padding: clamp(2rem, 4vw, 3rem) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.principle:last-child {
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.principle .num {
    font-family: var(--fuente-titulos);
    font-weight: 300;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    line-height: 0.9;
    color: var(--color-acento);
}

.principle h2 {
    font-weight: 700;
    font-size: clamp(1.4rem, 3vw, 2rem);
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.principle .stmt {
    font-family: var(--fuente-titulos);
    font-weight: 300;
    font-size: clamp(1.15rem, 2.4vw, 1.5rem);
    line-height: 1.4;
    margin-bottom: 0.8rem;
}

.principle .gloss {
    color: var(--color-acento);
    font-size: 0.98rem;
    max-width: 62ch;
    margin-bottom: 0.8rem;
}

.principle h3 {
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-secundario);
    margin: 1.6rem 0 0.7rem;
}

.principle ul {
    list-style: none;
    max-width: 62ch;
}

.principle ul li {
    color: var(--color-acento);
    font-size: 0.95rem;
    padding-left: 1.2rem;
    position: relative;
    margin-bottom: 0.45rem;
}

.principle ul li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-secundario);
    opacity: 0.5;
}

/* ----- Página VFFA ----- */

/* Entrada del hero al cargar (solo el hero se anima on-load;
   el resto de la página se revela con el scroll) */
@media (prefers-reduced-motion: no-preference) {
    .rise {
        opacity: 0;
        transform: translateY(26px);
        animation: rise-in 1.1s ease forwards;
    }

    .rise-2 { animation-delay: 0.25s; }
    .rise-3 { animation-delay: 0.55s; }
    .rise-4 { animation-delay: 1.1s; }

    @keyframes rise-in {
        to {
            opacity: 1;
            transform: none;
        }
    }
}

/* Toda la página VFFA va sobre fondo negro */
.page-vffa {
    background-color: var(--color-primario);
    color: var(--color-secundario);
}

.vffa-hero {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem);
    position: relative;
    text-align: center;
}

.vffa-hero .eyebrow {
    color: var(--color-acento);
}

.vffa-hero h1 {
    font-weight: 300;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    line-height: 1.02;
    letter-spacing: 0.06em;
    margin: 0.2em 0;
}

.vffa-sub {
    font-family: var(--fuente-titulos);
    font-weight: 300;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-acento);
}

.scroll-cue {
    margin: 2.2rem auto 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    font-family: var(--fuente-titulos);
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-acento);
}

.scroll-line {
    width: 1px;
    height: 3.2rem;
    background: linear-gradient(to bottom, var(--color-acento), transparent);
}

@media (prefers-reduced-motion: no-preference) {
    .scroll-line {
        animation: cue-pulse 2.2s ease-in-out infinite;
        transform-origin: top;
    }

    @keyframes cue-pulse {
        0%, 100% { transform: scaleY(0.4); opacity: 0.4; }
        50%      { transform: scaleY(1);   opacity: 1; }
    }
}

/* Secciones claras intercaladas (ritmo cinematográfico) */
.section-light {
    background-color: var(--color-fondo);
    color: var(--color-texto);
}

.section-light .eyebrow {
    color: #8a8a8a;
}

/* Definición en frases destacadas */
.vffa-intro {
    padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.bigline {
    font-family: var(--fuente-titulos);
    font-weight: 300;
    font-size: clamp(1.15rem, 2.4vw, 1.5rem);
    line-height: 1.4;
    max-width: 40ch;
    margin: 0 auto clamp(1.5rem, 3.5vw, 2.5rem);
}

.bigline:last-child {
    margin-bottom: 0;
}

.bigline em {
    font-style: italic;
    font-weight: 400;
}

.bigline.soft {
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--color-acento);
    max-width: 48ch;
}

/* Capítulos oscuros */
.vffa-chapters {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: clamp(2.5rem, 6vw, 4.5rem) 0;
    text-align: center;
}

.chapter {
    padding: clamp(2rem, 4.5vw, 3.5rem) 0;
}

.chapter-num {
    font-family: var(--fuente-titulos);
    font-weight: 300;
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.45);
    margin-bottom: 1rem;
}

@supports not (-webkit-text-stroke: 1px white) {
    .chapter-num {
        color: rgba(255, 255, 255, 0.35);
    }
}

.chapter h2 {
    font-weight: 300;
    font-size: clamp(1.4rem, 3vw, 2rem);
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.chapter p {
    color: var(--color-acento);
    max-width: 58ch;
    margin: 0 auto;
    font-weight: 300;
    font-size: 0.98rem;
    line-height: 1.7;
}

/* Propósito */
.vffa-purpose {
    padding: clamp(3rem, 7vw, 5.5rem) 0;
}

.purpose-title {
    font-weight: 300;
    font-size: clamp(1.4rem, 3vw, 2rem);
    line-height: 1.3;
    max-width: 32ch;
    margin-bottom: clamp(2rem, 4.5vw, 3rem);
    text-transform: none;
    letter-spacing: 0.01em;
}

.purpose-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: clamp(1.8rem, 3.5vw, 2.8rem) clamp(2.5rem, 6vw, 5rem);
}

.purpose-item h3 {
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.85rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    margin-bottom: 0.8rem;
    padding-top: 1.1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.purpose-item p {
    color: var(--color-acento);
    font-size: 0.98rem;
    max-width: 42ch;
}

/* Cierre */
.vffa-closing {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: clamp(3.5rem, 8vw, 6rem) 0;
    text-align: center;
}

.closing-line {
    font-family: var(--fuente-titulos);
    font-weight: 300;
    font-size: clamp(1.15rem, 2.4vw, 1.5rem);
    line-height: 1.4;
    max-width: 40ch;
    margin: 0 auto clamp(1.5rem, 3.5vw, 2.5rem);
    color: var(--color-acento);
}

.closing-line.accent {
    color: var(--color-secundario);
    margin-bottom: 0;
}

.closing-line em {
    font-style: italic;
}

/* ----- Página About Us ----- */
.page-about {
    background-color: var(--color-primario);
    color: var(--color-secundario);
}

/* El header flota sobre el video, sin fondo propio */
.page-about .site-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    background-color: transparent;
}

.about-hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: var(--color-primario);
}

.about-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.about-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding-top: 7rem; /* despeje del header flotante */
    padding-bottom: 3rem;
}

.about-copy {
    max-width: 46ch;
}

.about-copy h1 {
    font-weight: 300;
    font-size: clamp(1.4rem, 3vw, 2rem);
    letter-spacing: 0.08em;
    margin-bottom: 1.4rem;
}

.about-copy p {
    color: var(--color-acento);
    font-weight: 300;
    font-size: 0.98rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* Enlace de texto dentro de párrafos */
.text-link {
    color: var(--color-secundario);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
    transition: opacity 0.2s ease;
}

.text-link:hover,
.text-link:focus {
    opacity: 0.7;
}

/* CTA */
.cta {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1.6rem;
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-secundario);
    padding-bottom: 0.25rem;
    border-bottom: 1px solid transparent;
    transition: border-color 0.25s ease;
}

.cta-arrow {
    display: inline-block;
    transition: transform 0.25s ease;
}

.cta:hover,
.cta:focus {
    border-bottom-color: var(--color-secundario);
}

.cta:hover .cta-arrow,
.cta:focus .cta-arrow {
    transform: translateX(6px);
}

/* Tablet: menos margen, texto un poco más angosto */
@media (max-width: 900px) {
    .about-copy {
        max-width: 40ch;
    }
}

/* Móvil: velo oscuro para legibilidad y contenido hacia abajo */
@media (max-width: 700px) {
    .about-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: 1;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.45) 55%, rgba(0, 0, 0, 0.65) 100%);
    }

    /* Contenido anclado arriba (no al fondo): así el texto siempre
       arranca DEBAJO del header apilado (logo + menú + iconos ≈ 238px)
       sin empalmarse, y el hero crece/escrollea si el texto es alto. */
    .about-hero {
        align-items: flex-start;
    }

    .about-content {
        padding-top: 18rem;
        padding-bottom: 3.5rem;
    }

    .about-copy {
        max-width: 100%;
    }

    /* En esta página el header flotante se mantiene en columna
       (logo arriba, menú abajo) pero sin fondo */
    .page-about .site-header {
        position: absolute;
    }
}

/* ----- Página Contact ----- */
.page-contact {
    background-color: var(--color-primario);
    color: var(--color-secundario);
}

.contact-hero {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3.5rem);
}

.contact-hero h1 {
    font-weight: 300;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    line-height: 1.02;
    margin-bottom: 1.2rem;
}

.contact-hero .lede {
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    color: var(--color-acento);
    max-width: 52ch;
    line-height: 1.7;
}

/* Formulario */
.contact-form-section {
    padding: clamp(2rem, 5vw, 4rem) 0 clamp(3rem, 7vw, 5rem);
}

.contact-form {
    max-width: 640px;
}

.form-field {
    margin-bottom: 2rem;
}

.form-field label {
    display: block;
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.72rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-acento);
    margin-bottom: 0.5rem;
}

.form-field input,
.form-field textarea {
    width: 100%;
    background: transparent;
    border: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--color-secundario);
    font-family: var(--fuente-principal);
    font-weight: 300;
    font-size: 0.98rem;
    line-height: 1.6;
    padding: 0.6rem 0;
    border-radius: 0;
    transition: border-color 0.3s ease;
}

.form-field textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-field input:focus,
.form-field textarea:focus {
    outline: none;
    border-bottom-color: var(--color-secundario);
}

/* El honeypot queda fuera de la vista (anti-spam) */
.form-field.hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.btn-submit {
    display: inline-block;
    margin-top: 0.5rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: var(--color-secundario);
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    padding: 0.9rem 2.4rem;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.btn-submit:hover,
.btn-submit:focus {
    background-color: var(--color-secundario);
    border-color: var(--color-secundario);
    color: var(--color-primario);
}

.form-status {
    margin-top: 1.2rem;
    font-size: 0.9rem;
    color: var(--color-acento);
    min-height: 1.4em;
}

/* Redes sociales en texto (como la página original) */
.contact-social {
    padding: clamp(2.5rem, 6vw, 4rem) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
    text-align: center;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.2rem 2.5rem;
}

.social-links a {
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-acento);
    padding-bottom: 0.25rem;
    border-bottom: 1px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.social-links a:hover,
.social-links a:focus {
    color: var(--color-secundario);
    border-bottom-color: var(--color-secundario);
}

/* Información de contacto */
.contact-info {
    padding: clamp(5rem, 12vw, 9rem) 0;
    text-align: center;
}

.contact-info p {
    font-family: var(--fuente-titulos);
    font-weight: 300;
    font-size: clamp(1rem, 1.8vw, 1.2rem);
    line-height: 1.4;
    color: var(--color-secundario);
    margin-bottom: clamp(0.9rem, 2vw, 1.3rem);
}

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

.contact-info .mail-link {
    color: var(--color-secundario);
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    padding-bottom: 0.15rem;
    transition: border-color 0.25s ease, color 0.25s ease;
}

.contact-info .mail-link:hover,
.contact-info .mail-link:focus {
    border-bottom-color: var(--color-secundario);
}

/* ----- Página Works ----- */
.page-works {
    background-color: var(--color-primario);
    color: var(--color-secundario);
}

.works-hero {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(1.5rem, 3vw, 2rem);
}

.works-hero h1 {
    font-weight: 300;
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    line-height: 1.02;
}

/* Filtros */
.works-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem 2.2rem;
    padding: 0 1.5rem clamp(1.8rem, 4vw, 2.8rem);
}

.filter-btn {
    background: none;
    border: 0;
    cursor: pointer;
    font-family: var(--fuente-titulos);
    font-weight: 400;
    font-size: 0.9375rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-acento);
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
    transition: color 0.25s ease, border-color 0.25s ease;
}

.filter-btn:hover,
.filter-btn:focus {
    color: var(--color-secundario);
}

.filter-btn.active {
    color: var(--color-secundario);
    border-bottom-color: var(--color-secundario);
}

/* Retícula masonry a ancho completo */
.works-grid {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    width: 100%;
    padding: 0 6px 6px;
}

.works-col {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.work-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    background-color: #1a1d22; /* visible mientras la imagen carga */
}

/* La tarjeta define la caja con aspect-ratio (fijado en JS: real al
   cargar, provisional antes); la imagen la rellena sin deformarse. */
.work-item img,
.work-preview-frame {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: 0;
    display: block;
}

/* Pieza sin portada (tour sin imagen): mosaico oscuro con degradado.
   El icono 360° queda centrado encima. */
.work-item.no-cover {
    aspect-ratio: 3 / 2;
    background: linear-gradient(135deg, #20242a 0%, #14161a 100%);
}

/* Preview: iframe de Vimeo (modo background) que aparece al hover */
.work-preview-frame {
    opacity: 0;
    transition: opacity 0.45s ease;
    pointer-events: none;
    z-index: 1;
}

.work-item.playing .work-preview-frame {
    opacity: 1;
}

/* Badge circular translúcido: play en films, órbita 360 en tours */
.media-badge {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 2;
}

.play-badge svg {
    width: 20px;
    height: 20px;
    margin-left: 2px;
}

/* Tour: "360°" centrado con una órbita panorámica sutil detrás */
.tour-badge {
    position: absolute; /* re-declara para contener la órbita */
}

.tour-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 42px;
    height: 42px;
    opacity: 0.65;
}

.tour-label {
    position: relative;
    z-index: 1;
    font-family: var(--fuente-titulos);
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    line-height: 1;
}

.work-item.playing .media-badge {
    opacity: 0;
}

/* Overlay: fade sutil a negro + título y cliente abajo-izquierda */
.work-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: flex-start;
    padding: 1rem 1.1rem;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.72) 0%, rgba(0, 0, 0, 0.25) 40%, rgba(0, 0, 0, 0.12) 100%);
    opacity: 0;
    transition: opacity 0.35s ease;
}

.work-item:hover .work-overlay,
.work-item:focus .work-overlay {
    opacity: 1;
}

.work-title {
    font-family: var(--fuente-titulos);
    font-weight: 700;
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-secundario);
    margin-bottom: 0.2rem;
}

.work-view {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-secundario);
    opacity: 0.9;
    margin-bottom: 0.15rem;
}

.work-client {
    font-size: 0.8rem;
    font-weight: 300;
    color: var(--color-acento);
}

.works-sentinel {
    height: 1px;
}

.works-empty {
    text-align: center;
    color: var(--color-acento);
    padding: 3rem 1.5rem 4rem;
}

/* Lightbox */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.93);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(1rem, 4vw, 3rem);
}

.lightbox[hidden] {
    display: none;
}

.lightbox-content {
    width: min(1100px, 94vw);
    max-height: 90vh;
}

.lightbox-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
}

.lightbox-video iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 82vh;
    display: block;
    margin: 0 auto;
    object-fit: contain;
}

.lightbox-caption {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--color-acento);
}

.lightbox-caption strong {
    font-family: var(--fuente-titulos);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-secundario);
    font-weight: 700;
}

.lightbox-close {
    position: absolute;
    top: 1.2rem;
    right: 1.6rem;
    background: none;
    border: 0;
    color: var(--color-secundario);
    font-size: 2.4rem;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    opacity: 0.75;
    transition: opacity 0.25s ease;
}

.lightbox-close:hover,
.lightbox-close:focus {
    opacity: 1;
}

/* Enlace activo del menú */
.main-nav a.active {
    border-bottom-color: var(--color-secundario);
}

@media (max-width: 560px) {
    .principle {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .principle .num {
        font-size: 1.8rem;
    }
}

/* ----- Iconos sociales (header y footer) ----- */
.social-icons {
    display: flex;
    align-items: center;
    gap: 1.1rem;
}

.social-icons a {
    display: inline-flex;
    color: var(--color-secundario);
    opacity: 0.7;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.social-icons a:hover,
.social-icons a:focus {
    opacity: 1;
    transform: translateY(-2px);
}

.social-icons svg {
    width: 17px;
    height: 17px;
}

/* ----- Pie de página ----- */
.site-footer {
    background-color: var(--color-primario);
    color: var(--color-secundario);
    padding: 1.5rem 0;
    font-size: 0.875rem;
}

.site-footer .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.site-footer p {
    color: var(--color-acento);
    letter-spacing: 0.02em;
}

@media (max-width: 560px) {
    .site-footer .container {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        gap: 0.9rem;
    }
}