/* --- VARIABLES Y CONFIGURACIÓN GLOBAL --- */
:root {
  --negro: #000000;
  --blanco: #ffffff;
  --acento: #295df2;
  --texto-gris: #888;
  --gris-claro: #eee;
  --verde-whatsapp: #25D366;
  --verde-whatsapp-hover: #128C7E;
  --gris-oscuro-footer: #111111;
  --borde-brutalista: 4px solid var(--negro);
  --amarillo-menu: #FFD234;
}
html { 
    scroll-behavior: smooth;
    scroll-padding-top: 100px; 
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Raleway', sans-serif; font-weight: 300; background: var(--blanco); color: var(--negro); line-height: 1.6; }

/* --- CONTENEDOR DE UI FIJA (LOGO Y BOTÓN DE MENÚ) --- */
.header-ui-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 9999;
    pointer-events: none;
}
.header-ui-container > * {
    pointer-events: auto;
}

/* === ESTILOS GLOBALES DEL HEADER Y MENÚ (VERSIÓN FINAL Y ESTABLE) === */
body.menu-is-open .logo-sticky {
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
#menu-trigger-final {
    position: relative;
    z-index: 10001;
    width: 50px;
    height: 50px;
    border: none;
    background-color: var(--blanco);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 0;
    font-size: 0; 
    color: transparent;
    letter-spacing: 0;
    transition: background-color 0.4s ease-out;
}
#menu-trigger-final span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--negro);
    border-radius: 3px;
    transition: transform 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55),
                background-color 0.4s ease-out;
}
body.menu-is-open #menu-trigger-final {
    background-color: transparent;
}
body.menu-is-open #menu-trigger-final span {
    background-color: var(--negro);
}
body.menu-is-open #menu-trigger-final span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
body.menu-is-open #menu-trigger-final span:nth-child(2) { transform: scaleX(0); }
body.menu-is-open #menu-trigger-final span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.header-line {
    display: block;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2rem;
    height: 10px;
    background-color: var(--blanco);
    transition: all 0.3s ease;
}
body.menu-is-open .header-line {
    opacity: 0;
}
.logo-sticky {
    display: block;
    width: 68%;
    height: auto;
    max-width: 150px;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}
.logo-sticky img {
    width: 70%; 
    height: auto;
    display: block;
    border-radius: 8px;
}

/* --- ESTRUCTURA GENERAL Y SECCIONES (PARA INDEX.HTML) --- */
.page-wrapper { 
    position: relative; 
    overflow-x: hidden; 
    width: 100%;
    background-color: var(--blanco);
}
main, footer {
    position: relative;
    z-index: 1;
}
section, header { display: flex; justify-content: center; align-items: center; flex-direction: column; padding: 6rem 2rem; position: relative; }
.home section, .home header { border-bottom: 5px solid var(--negro); }
h1, h2 { font-family: 'Savate', sans-serif; }
h1 { font-size: 10vw; letter-spacing: -2px; }
h2 { font-size: 5vw; }
.header-principal { color: var(--blanco); background-color: var(--negro); overflow: hidden; min-height: 100vh; }
.video-background { position: absolute; top: 50%; left: 50%; width: 100%; height: 100%; transform: translate(-50%, -50%); z-index: 1; }
.video-background video { width: 100%; height: 100%; object-fit: cover; }
.video-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.3); z-index: 2; }
.header-contenido { position: relative; z-index: 3; text-align: center; display: flex; flex-direction: column; align-items: center;}
.cta-button {
    display: inline-block;
    margin-top: 2rem;
    padding: 0.8rem 2rem;
    border: 2px solid var(--blanco);
    color: var(--blanco);
    background-color: transparent;
    font-family: 'Raleway', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}
.cta-button:hover {
    background-color: var(--blanco);
    color: var(--negro);
}
.work-section-grid { padding: 6rem 2rem; background-color: var(--negro); color: var(--blanco); width: 100%; }
.work-grid-container, .work-media-grid { width: calc(100% + 4rem); margin-left: -2rem; margin-right: -2rem; }
.work-grid-container { display: grid; grid-template-columns: 1fr 1fr; }
.work-column { display: flex; flex-direction: column; }
.project-card { display: block; position: relative; border-bottom: 5px solid var(--negro); }
.project-figure { position: relative; overflow: hidden; }
.project-figure img { width: 100%; height: auto; display: block; }
.project-caption { position: absolute; bottom: 0; left: 0; width: 100%; padding: 2.5rem 2rem; color: #fff; background: linear-gradient(to top, rgba(0,0,0,0.75), transparent); opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.project-card:hover .project-caption { opacity: 1; transform: translateY(0); }
.caption-title { font-family: 'Savate', sans-serif; font-size: 2.2rem; margin-bottom: 0.5rem; }
.caption-subtitle { 
    font-family: 'Raleway', sans-serif; 
    font-size: 1rem; 
    font-weight: 400; 
    opacity: 0.9;
}
.work-intro { color: var(--blanco); max-width: 800px; text-align: left; margin-bottom: 5rem; width: 100%; }
.work-intro p { font-size: 1.2rem; line-height: 1.8; margin: 0; }
.media-grid-header { width: 100%; text-align: center; padding: 3rem 2rem; border-top: 5px solid var(--negro); }
.media-grid-title { font-family: 'Savate', sans-serif; font-size: 3rem; color: var(--blanco); margin-bottom: 0.5rem; }
.media-grid-subtitle { font-size: 1.1rem; color: var(--blanco); opacity: 0.8; margin-bottom: 1.5rem; }
.media-grid-link { display: inline-block; font-weight: 700; color: var(--blanco); text-decoration: none; padding: 0.5rem 1rem; border: 2px solid var(--blanco); transition: all 0.3s ease; }
.media-grid-link:hover { background-color: var(--blanco); color: var(--negro); }
.work-media-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; background-color: var(--negro); border-top: 5px solid var(--negro); border-bottom: 5px solid var(--negro); padding: 5px 0; }
.media-grid-item { position: relative; aspect-ratio: 1 / 1; display: block; text-decoration: none; }
.media-grid-item video, .media-grid-item img { width: 100%; height: 100%; object-fit: cover; display: block; }
.statement, .expertise-section { background: var(--#FFD234); color: var(--negro); text-align: center; }
.statement .section-title, .expertise-section .section-title { color: var(--negro); }
.expertise-section p, .statement p { font-size: 1.3rem; line-height: 1.7; max-width: 800px; margin-top: 2rem; }

/* --- FOOTER Y WHATSAPP --- */
.footer { background: var(--gris-oscuro-footer); color: var(--blanco); text-align: center; padding: 2rem 1rem; }
.footer p { margin-bottom: 1.5rem; }
.social-links { display: flex; justify-content: center; align-items: center; gap: 2rem; }
.social-links a { color: var(--blanco); transition: color 0.3s ease, transform 0.3s ease; display: inline-block; }
.social-links a:hover { color: var(--acento); transform: translateY(-3px); }
.social-links i { font-size: 28px; }

/* INICIO: BLOQUE DE CÓDIGO CORREGIDO PARA WHATSAPP */
.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    background-color: var(--verde-whatsapp);
    color: var(--blanco);
    padding: 12px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-family: 'Raleway', sans-serif;
    display: flex;
    align-items-center;
    gap: 8px;
    /* LÍNEA CORREGIDA: Se añade 'ease' y 'visibility' para una animación suave */
    transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s ease;
}

/* Estado inicial: oculto y ligeramente abajo */
body.js-active .whatsapp-button {
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

/* Estado visible: cuando el script añade la clase .is-visible */
body.js-active .whatsapp-button.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.whatsapp-button:hover {
    background-color: var(--verde-whatsapp-hover);
}

.whatsapp-button i {
    font-size: 24px;
}
/* FIN: BLOQUE DE CÓDIGO CORREGIDO PARA WHATSAPP */
/* --- MENU OVERLAY --- */
.menu-overlay-final {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--amarillo-menu);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    z-index: 9998;
    padding: clamp(2rem, 5vh, 4rem) clamp(1.5rem, 5vw, 4rem);
    transform: translateX(100%);
    pointer-events: none;
    transition: transform 0.6s cubic-bezier(0.76, 0, 0.24, 1);
    max-height: 100vh;
    overflow-y: auto;
}
body.menu-is-open .menu-overlay-final {
    transform: translateX(0);
    pointer-events: auto;
}
.menu-header-final {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding-bottom: clamp(1rem, 5vh, 2rem);
}
.menu-icon-logo {
    width: 60px;
    height: auto;
}
.menu-nav-final {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.menu-nav-final ul { list-style: none; padding: 0; }
.menu-nav-final li a {
    font-family: 'Savate', sans-serif;
    font-size: clamp(2.6rem, 9vw, 5.5rem);
    color: var(--negro);
    text-decoration: none;
    line-height: 1.2;
    display: block;
    transition: color 0.3s ease;
    padding: .25rem 0;
}
.menu-nav-final li a:hover { color: var(--acento); }
.menu-nav-final .submenu { margin-top: 0.5rem; padding-left: 1rem; }
.menu-nav-final .submenu li a { 
    font-family: 'Raleway', sans-serif; 
    font-weight: 400; 
    font-size: clamp(1.3rem, 4vw, 1.5rem); 
    line-height: 1.6; 
    padding: .2rem 0;
}
.menu-footer-final { 
    width: 100%; 
    padding-top: 2rem;
    row-gap: .5rem;
}
.menu-footer-final hr { 
    border: 0; 
    border-top: 1px solid var(--negro); 
    margin: .75rem 0;
}
.menu-footer-final a { display: block; font-family: 'Raleway', sans-serif; font-weight: 700; text-decoration: none; color: var(--negro); margin-bottom: 0.75rem; font-size: clamp(0.9rem, 2.5vw, 1rem); }
.menu-footer-final a span { margin-right: 0.75rem; font-size: 1.2em; }
.menu-footer-final .lang-switch{
    display:inline-flex; 
    align-items:center; 
    gap:.5rem;
    font-weight:700; 
    letter-spacing:.04em;
    text-transform:uppercase;
}
.menu-footer-final .lang-sep{ opacity:.6 }
.menu-footer-final .lang-link{
    padding:0; 
    text-decoration:none;
}

/* --- RESPONSIVIDAD --- */
@media (max-width: 992px) {
    .project-gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-ui-container { padding: 1.5rem; }
    .header-line { width: 1.5rem; }
    h1 { font-size: 11vw; } 
    h2.section-title, .project-header h2 { font-size: 14vw; }
    .work-grid-container { grid-template-columns: 1fr; } 
    .work-section-grid { padding: 4rem 1rem; } 
    .work-grid-container, .work-media-grid { width: 100%; margin-left: 0; margin-right: 0; } 
    .project-caption, .gallery-card-caption { 
        opacity: 1; 
        transform: translateY(0);
        padding: 1.5rem;
        background: linear-gradient(to top, rgba(0,0,0,0.85) 20%, transparent);
    }
    .caption-title { font-size: 1.2rem; }
    .caption-subtitle { font-size: 0.9rem; }
    .expertise-section p, .statement p { font-size: 1.1rem; } 
    .media-grid-title { font-size: 2.5rem; } 
    .work-media-grid { grid-template-columns: repeat(2, 1fr); gap: 2px; } 
    .media-grid-item { aspect-ratio: 1 / 1; } 
    .project-page-container { padding-top: 5rem; } 
    .project-gallery-grid { grid-template-columns: 1fr; }
    .contact-section { padding: 4rem 1rem; } 
    .contact-content-wrapper { flex-direction: column; gap: 3rem; } 
    .whatsapp-button { bottom: 120px; } 
}
/* --- FIX CIERRE MENÚ: mantener botón visible sobre overlay --- */

/* 1) Asegura que el header quede por encima de cualquier overlay presente/futuro */
.header-ui-container { z-index: 20000 !important; }

/* 2) Asegura que el botón esté por encima del propio header */
#menu-trigger-final { z-index: 20010 !important; }

/* 3) NO lo dejes transparente cuando el menú está abierto:
      mantener fondo blanco cuadrado para contraste sobre el amarillo */
body.menu-is-open #menu-trigger-final {
  background-color: var(--blanco) !important;
  /* opcional, si quieres más definición: */
  /* box-shadow: 0 0 0 1px rgba(0,0,0,.08); */
}