/* ==========================================================
   HC Inmobiliaria - LAYOUT GLOBAL
   Navegación principal, encabezado de páginas internas,
   banner CTA, footer y botón flotante de WhatsApp.
   ========================================================== */

/* ===================== MAIN NAV ===================== */
/* Sticky, blanco translúcido. Al scrollear (clase .is-scrolled, la pone
   main.js) aparece una línea y una sombra muy sutiles. */
.main-nav {
    position: sticky;
    top: 0;
    z-index: 1100;                 /* por encima de los controles de Leaflet (1000) */
    background: rgba(255, 255, 255, 0.86);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid transparent;
    transition:
        background-color var(--dur) var(--ease-out),
        border-color var(--dur) var(--ease-out),
        box-shadow var(--dur) var(--ease-out);
}
.main-nav.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: var(--color-line);
    box-shadow: 0 1px 2px rgba(28, 25, 23, 0.03), 0 8px 24px rgba(28, 25, 23, 0.06);
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
    .main-nav,
    .main-nav.is-scrolled { background: var(--color-white); }
}

.main-nav__inner {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    height: var(--header-h);
}
.main-nav__logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    border-radius: var(--radius-sm);
}
.main-nav__logo img { height: 46px; width: auto; }

/* ---- Links ---- */
.main-nav__links {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    margin-left: auto;
}
.main-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    padding: 10px 14px;
    border-radius: var(--radius-pill);
    color: var(--color-text);
    font-size: 0.9375rem;
    font-weight: 500;
    line-height: 1.4;
    transition: color var(--dur-fast) var(--ease-out);
}
/* Indicador: barrita que crece desde el centro (gris al pasar, roja en la página activa) */
.main-nav__link::after {
    content: '';
    position: absolute;
    left: 14px; right: 14px; bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: var(--color-line-strong);
    transform: scaleX(0);
    transition: transform var(--dur) var(--ease-out), background-color var(--dur) var(--ease-out);
}
.main-nav__link:hover { color: var(--color-ink); }
.main-nav__link:hover::after { transform: scaleX(1); }
.main-nav__link.active {
    color: var(--color-ink);
    font-weight: 600;
}
.main-nav__link.active::after {
    background: var(--color-primary);
    transform: scaleX(1);
}

/* CTA + Instagram dentro del panel mobile (en escritorio no se ven) */
.main-nav__links-cta { display: none; }

/* ---- Acciones (escritorio): Instagram + WhatsApp ---- */
.main-nav__actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding-left: var(--space-4);
    border-left: 1px solid var(--color-line);
}
.main-nav__social {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 1.1rem;
    transition:
        background-color var(--dur) var(--ease-out),
        color var(--dur) var(--ease-out),
        transform var(--dur) var(--ease-out);
}
.main-nav__social:hover {
    background: var(--color-primary-600);
    color: var(--color-white);
    transform: translateY(-1px);
}
.main-nav__cta { padding: 11px 20px; font-size: var(--fs-sm); }

/* ---- Botón hamburguesa (mobile): 3 líneas que pasan a X ---- */
.main-nav__toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin-left: auto;
    margin-right: -10px;
    border: 0;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-ink);
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: background-color var(--dur-fast) var(--ease-out);
}
.main-nav__toggle:hover { background: var(--color-surface-alt); }
.main-nav__toggle-icon,
.main-nav__toggle-icon::before,
.main-nav__toggle-icon::after {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: currentColor;
}
.main-nav__toggle-icon {
    position: relative;
    transition: background-color var(--dur-fast) var(--ease-out);
}
.main-nav__toggle-icon::before,
.main-nav__toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
    transition: transform var(--dur) var(--ease-out);
}
.main-nav__toggle-icon::before { transform: translateY(-7px); }
.main-nav__toggle-icon::after { transform: translateY(7px); }
.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-icon { background: transparent; }
.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-icon::before { transform: rotate(45deg); }
.main-nav__toggle[aria-expanded="true"] .main-nav__toggle-icon::after { transform: rotate(-45deg); }

/* ===================== PAGE HEADER (páginas internas) ===================== */
/* Banda oscura (ink) con un brillo rojo muy suave y una trama de "plano"
   que se desvanece hacia la izquierda. Markup: .page-header > .container > h1 + p */
.page-header {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: var(--space-8) 0 calc(var(--space-8) + var(--space-3));
    background-color: var(--color-ink);
    background-image:
        radial-gradient(ellipse 55% 130% at 100% 0%, rgba(var(--color-primary-rgb), 0.30), transparent 62%),
        radial-gradient(ellipse 45% 90% at 0% 110%, rgba(var(--color-primary-rgb), 0.10), transparent 70%);
    color: rgba(255, 255, 255, 0.76);
}
.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 56px 56px;
    background-position: center;
    -webkit-mask-image: linear-gradient(90deg, transparent 15%, #000 85%);
    mask-image: linear-gradient(90deg, transparent 15%, #000 85%);
}
.page-header h1 {
    max-width: 20ch;
    margin-bottom: var(--space-3);
    color: var(--color-white);
    font-size: var(--fs-3xl);
}
/* Acento de marca sobre el título */
.page-header h1::before {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    margin-bottom: var(--space-4);
    border-radius: 3px;
    background: var(--color-primary);
}
.page-header p {
    max-width: 56ch;
    font-size: var(--fs-md);
    line-height: 1.55;
}

/* ===================== CTA BANNER ===================== */
/* Tarjeta roja profunda (no plana): degradé sobrio entre los rojos de acción,
   un brillo suave arriba a la derecha y una casa gigante muy tenue de fondo. */
.cta-banner {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-5) var(--space-7);
    padding: var(--space-8);
    border-radius: var(--radius-lg);
    background-color: var(--color-primary-600);
    background-image:
        radial-gradient(ellipse 50% 120% at 100% 0%, rgba(255, 255, 255, 0.14), transparent 60%),
        linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-primary);
}
.cta-banner::after {
    content: "\f015";              /* fa-house */
    position: absolute;
    right: -24px;
    bottom: -70px;
    z-index: -1;
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 16rem;
    line-height: 1;
    color: rgba(255, 255, 255, 0.07);
    pointer-events: none;
}
.cta-banner > div { flex: 1 1 420px; max-width: 640px; }
.cta-banner h2 {
    margin-bottom: var(--space-3);
    color: var(--color-white);
    font-size: var(--fs-2xl);
    line-height: var(--lh-tight);
}
.cta-banner p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--fs-md);
    line-height: 1.55;
}
.cta-banner .btn {
    flex-shrink: 0;
    padding: 17px 32px;
    font-size: var(--fs-base);
}

/* ===================== FOOTER ===================== */
.site-footer {
    background: var(--color-footer);
    color: rgba(255, 255, 255, 0.72);
    padding-top: var(--space-9);
    font-size: 0.9375rem;
}
.footer__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.4fr);
    gap: var(--space-7) var(--space-6);
    padding-bottom: var(--space-8);
}
.footer__logo { height: 48px; width: auto; margin-bottom: var(--space-5); }
.footer__col p { max-width: 34ch; line-height: 1.7; }
.footer__col h4 {
    margin-bottom: var(--space-5);
    color: var(--color-white);
    font-size: var(--fs-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

/* Links: al pasar, se aclaran y aparece una rayita roja a la izquierda */
.footer__links { display: grid; gap: var(--space-1); }
.footer__links a {
    display: inline-flex;
    align-items: center;
    padding: 5px 0;
    transition: color var(--dur) var(--ease-out);
}
.footer__links a::before {
    content: '';
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--color-primary);
    transition: width var(--dur) var(--ease-out), margin var(--dur) var(--ease-out);
}
.footer__links a:hover { color: var(--color-white); }
.footer__links a:hover::before { width: 12px; margin-right: var(--space-2); }

/* Datos de contacto con chips de ícono */
.footer__contact { display: grid; gap: var(--space-4); }
.footer__contact li {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    min-width: 0;
}
.footer__contact li > span:last-child,
.footer__contact li > a { min-width: 0; overflow-wrap: anywhere; }
.footer__contact a { transition: color var(--dur) var(--ease-out); }
.footer__contact a:hover { color: var(--color-white); }

.footer__social { display: flex; gap: var(--space-3); margin-top: var(--space-5); }
.footer__social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.1rem;
    transition:
        background-color var(--dur) var(--ease-out),
        border-color var(--dur) var(--ease-out),
        transform var(--dur) var(--ease-out);
}
.footer__social a:hover {
    background: var(--color-primary-600);
    border-color: var(--color-primary-600);
    transform: translateY(-2px);
}
.footer__whatsapp { margin-top: var(--space-5); }

/* Franja inferior */
.footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
    padding: var(--space-5) 0;
}
.footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-2) var(--space-5);
    color: rgba(255, 255, 255, 0.62);
    font-size: var(--fs-sm);
}
.footer__top {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    min-height: 44px;
    color: rgba(255, 255, 255, 0.78);
    font-weight: 500;
    transition: color var(--dur) var(--ease-out);
}
.footer__top i { font-size: 0.8em; transition: transform var(--dur) var(--ease-out); }
.footer__top:hover { color: var(--color-white); }
.footer__top:hover i { transform: translateY(-2px); }

/* ===================== WHATSAPP FLOAT ===================== */
.whatsapp-float {
    position: fixed;
    right: 24px;
    bottom: calc(24px + env(safe-area-inset-bottom, 0px));
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: var(--color-whatsapp);
    color: var(--color-white);
    font-size: 1.75rem;
    box-shadow: 0 2px 6px rgba(28, 25, 23, 0.14), 0 10px 28px rgba(37, 211, 102, 0.35);
    transition:
        transform var(--dur) var(--ease-out),
        box-shadow var(--dur) var(--ease-out),
        opacity var(--dur) var(--ease-out),
        visibility 0s linear 0s;
}
.whatsapp-float:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(28, 25, 23, 0.16), 0 16px 36px rgba(37, 211, 102, 0.42);
}
.whatsapp-float:active { transform: translateY(0) scale(0.96); }
/* Anillo que late solo 3 veces al cargar (nunca con movimiento reducido) */
.whatsapp-float::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 2px solid var(--color-whatsapp);
    border-radius: inherit;
    opacity: 0;
    pointer-events: none;
}
@media (prefers-reduced-motion: no-preference) {
    .whatsapp-float::before { animation: wa-pulse 2.4s var(--ease-out) 1.5s 3; }
}
@keyframes wa-pulse {
    0%   { transform: scale(1);   opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
}
/* Oculto cuando el footer está a la vista (ya tiene su botón) o con el menú abierto */
.whatsapp-float.is-hidden,
.nav-open .whatsapp-float {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(12px) scale(0.9);
    transition:
        transform var(--dur) var(--ease-out),
        opacity var(--dur) var(--ease-out),
        visibility 0s linear var(--dur);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1100px) {
    .main-nav__inner { gap: var(--space-4); }
    .main-nav__link { padding-inline: 11px; }
    .main-nav__link::after { left: 11px; right: 11px; }
}

@media (max-width: 992px) {
    /* ---- Menú mobile: panel desplegable bajo el header ---- */
    .main-nav__toggle { display: inline-flex; }
    .main-nav__actions { display: none; }
    .main-nav__logo img { height: 40px; }

    .main-nav__links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        z-index: 1;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        margin: 0;
        padding: var(--space-3) 20px var(--space-5);
        max-height: calc(100vh - var(--header-h));
        max-height: calc(100dvh - var(--header-h));
        overflow-y: auto;
        overscroll-behavior: contain;
        background: var(--color-surface);
        border-top: 1px solid var(--color-line);
        border-bottom: 1px solid var(--color-line);
        box-shadow: var(--shadow-lg);
        visibility: hidden;
        opacity: 0;
        transform: translateY(-8px);
        transition:
            opacity var(--dur) var(--ease-out),
            transform var(--dur) var(--ease-out),
            visibility 0s linear var(--dur);
    }
    .main-nav__links.open {
        visibility: visible;
        opacity: 1;
        transform: none;
        transition:
            opacity var(--dur) var(--ease-out),
            transform var(--dur) var(--ease-out),
            visibility 0s linear 0s;
    }
    /* Fondo oscurecido debajo del panel (tocarlo cierra el menú) */
    .main-nav::after {
        content: '';
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        height: calc(100vh - var(--header-h));
        background: rgba(28, 25, 23, 0.4);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--dur) var(--ease-out), visibility 0s linear var(--dur);
    }
    .nav-open .main-nav::after {
        opacity: 1;
        visibility: visible;
        transition: opacity var(--dur) var(--ease-out), visibility 0s linear 0s;
    }

    .main-nav__links > li { width: 100%; }
    .main-nav__link {
        display: flex;
        width: 100%;
        min-height: 48px;
        padding: 12px 14px;
        border-radius: var(--radius-sm);
        color: var(--color-ink);
        font-size: var(--fs-md);
        transition: background-color var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
    }
    .main-nav__link::after { display: none; }
    .main-nav__link:hover { background: var(--color-surface-alt); }
    .main-nav__link.active {
        background: var(--color-primary-light);
        color: var(--color-primary-dark);
        box-shadow: inset 3px 0 0 var(--color-primary);
    }

    .main-nav__links-cta {
        display: grid;
        gap: var(--space-3);
        margin-top: var(--space-3);
        padding-top: var(--space-4);
        border-top: 1px solid var(--color-line);
    }
    .main-nav__links-cta .btn { width: 100%; }
    .main-nav__links-cta .btn--primary,
    .main-nav__links-cta .btn--primary:hover { color: var(--color-white); }

    /* ---- Footer ---- */
    .footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 768px) {
    .page-header { padding: var(--space-7) 0 calc(var(--space-7) + var(--space-3)); }
    .page-header p { font-size: var(--fs-base); }

    .cta-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: var(--space-6) var(--space-5);
        border-radius: var(--radius-md);
    }
    .cta-banner > div { flex-basis: auto; }
    .cta-banner::after { font-size: 11rem; bottom: -50px; }

    .site-footer { padding-top: var(--space-8); }
    .footer__inner { gap: var(--space-6) var(--space-5); padding-bottom: var(--space-7); }
    .footer__col--brand,
    .footer__col--contact { grid-column: 1 / -1; }
    .footer__links { gap: 0; }
    .footer__links a { min-height: 44px; padding: 0; }
    .footer__col h4 { margin-bottom: var(--space-3); }

    .whatsapp-float {
        right: 16px;
        bottom: calc(16px + env(safe-area-inset-bottom, 0px));
        width: 52px;
        height: 52px;
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .cta-banner .btn { width: 100%; padding-inline: 24px; }
    .footer__bottom-inner { flex-direction: column; align-items: flex-start; gap: 0; }
}