/* ==========================================================================
   Fleepr — Estilos base compartidos por todas las páginas
   ========================================================================== */

.logo-light { display: block; height: 22px; width: auto; }
.logo-dark { display: none; height: 22px; width: auto; }
:root.dark .logo-light { display: none; }
:root.dark .logo-dark { display: block; }

body {
    font-family: 'Montserrat', system-ui, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header: transparente arriba del todo, fondo + blur sutil al hacer scroll
   (la clase .scrolled la añade assets/js/site.js) */
header#site-header {
    background: transparent;
    background-color: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: 1px solid transparent;
    box-shadow: none;
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

header#site-header.scrolled {
    background-color: color-mix(in srgb, var(--background) 75%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 12px rgba(0, 0, 0, 0.04);
}

/* Menú móvil (por debajo de lg). Se despliega bajo el header, por encima del
   contenido; con el menú abierto el header se vuelve opaco aunque no haya scroll. */
header#site-header.menu-open {
    background-color: var(--background);
    border-bottom: 1px solid var(--border);
}
.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--background);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}
.mobile-nav-link {
    display: block;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
    color: var(--muted);
    transition: color 0.2s ease;
}
.mobile-nav-link:hover,
.mobile-nav-link[aria-current="page"] { color: var(--foreground); }
.mobile-nav-link[aria-current="page"] { font-weight: 600; }
.mobile-menu-toggle .mobile-menu-icon-close,
.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-icon-open { display: none; }
.mobile-menu-toggle[aria-expanded="true"] .mobile-menu-icon-close { display: block; }

/* Menú "Product" del header (desde md): botón con flecha + panel desplegable
   (mega menú). Lógica en assets/js/site.js. Se oculta con visibility (no con
   display) para poder animar la entrada; oculto no es focusable. */
.nav-dropdown-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.nav-dropdown-toggle[aria-expanded="true"] { color: var(--foreground); }
.nav-dropdown-chevron { transition: transform 0.2s ease; }
[aria-expanded="true"] > .nav-dropdown-chevron { transform: rotate(180deg); }

.nav-mega {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0s linear 0.15s;
}
.nav-mega.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    pointer-events: auto;
    transition: opacity 0.15s ease, transform 0.15s ease;
}
@media (max-width: 767px) { .nav-mega { display: none; } }
.nav-mega-card { overflow: hidden; }
.nav-mega-heading {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    color: var(--muted);
}
.nav-mega-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}
.nav-mega-item:hover { background-color: var(--secondary-hover); }
.nav-mega-title {
    display: block;
    font-size: 0.875rem;
    color: var(--foreground);
}
.nav-mega-desc {
    display: block;
    margin-top: 0.125rem;
    font-size: 0.875rem;
    font-weight: 300;
    line-height: 1.35;
    color: var(--muted);
}
.nav-mega-aside { background-color: var(--popover-inner); }
.nav-mega-link {
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    font-size: 0.875rem;
    color: var(--muted);
    transition: color 0.2s ease, background-color 0.2s ease;
}
.nav-mega-link:hover {
    color: var(--foreground);
    background-color: var(--secondary-hover);
}
.nav-mega-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--border);
    font-size: 0.875rem;
}
.nav-mega-cta {
    flex-shrink: 0;
    color: var(--foreground);
    transition: color 0.2s ease;
}
.nav-mega-cta:hover { color: var(--muted); }

/* Acordeón "Product" dentro del menú móvil */
.mobile-nav-toggle {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    text-align: left;
}
.mobile-nav-toggle[aria-expanded="true"] {
    color: var(--foreground);
    border-bottom-color: transparent;
}
.mobile-subnav {
    padding: 0.25rem 0 0.75rem 0.75rem;
    border-bottom: 1px solid var(--border);
}
.mobile-subnav-link {
    display: block;
    padding: 0.5rem 0;
    font-size: 0.875rem;
    color: var(--muted);
    transition: color 0.2s ease;
}
.mobile-subnav-link:hover,
.mobile-subnav-cta { color: var(--foreground); }

@media (prefers-reduced-motion: reduce) {
    .nav-mega,
    .nav-mega.is-open,
    .nav-dropdown-chevron { transition: none; }
}

button:focus-visible,
a:focus-visible,
summary:focus-visible,
input:focus-visible {
    outline: 2px solid var(--muted);
    outline-offset: 2px;
}

main, footer {
    position: relative;
    z-index: 10;
}

/* Campo de puntitos de fondo (canvas). El comportamiento —interactivo en
   index.html, estático y sutil en blog.html / post.html— lo decide
   assets/js/page-dots.js según el atributo data-mode del propio canvas. */
#page-dots {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

/* Spotlight que sigue al ratón por toda la página (solo index.html) */
#page-spotlight {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100vh;
    z-index: 1;
    pointer-events: none;
    background: radial-gradient(420px 420px at var(--page-mouse-x, 50%) var(--page-mouse-y, 50%), var(--foreground) 0%, transparent 70%);
    opacity: 0.07;
    transition: opacity 0.3s ease;
}

/* Mientras i18n.js traduce (idioma distinto del inglés), no mostramos el texto
   en inglés del HTML. La clase la pone assets/js/lang-init.js en el <head>. */
.i18n-pending body {
    visibility: hidden;
}

input[type="text"]::placeholder,
input[type="email"]::placeholder {
    color: var(--muted);
}