/* ============================================================
   site-shell.css
   ------------------------------------------------------------
   Componentes transversales del sitio Mar&Tierra:
     1. Sistema de z-index (tokens)
     2. Botón flotante de WhatsApp
     3. Footer semántico
     4. Focus visible accesible
     5. Reduced-motion global

   Carga DESPUÉS de los archivos base y ANTES de custom-fonts.css.
   ============================================================ */


/* ------------------------------------------------------------
   1. SISTEMA DE Z-INDEX
   Tokens semánticos para evitar los z-index arbitrarios
   (99999, 100000, etc.) repartidos por el proyecto.
   ------------------------------------------------------------ */
:root {
    --z-base:        1;
    --z-header:      900;
    --z-overlay:     1000;
    --z-modal:       1100;
    --z-modal-top:   1200;   /* botones dentro del modal */
    --z-toast:       1300;
    --z-wa-float:    1400;   /* siempre por encima */
    --z-skip-link:   9999;   /* máxima prioridad para a11y */
}


/* ------------------------------------------------------------
   2. WHATSAPP FLOATING BUTTON
   ------------------------------------------------------------ */
.wa-float {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: var(--z-wa-float);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 18px 12px 12px;
    background: #25D366;
    color: #fff;
    border-radius: 999px;
    box-shadow:
        0 8px 24px rgba(37, 211, 102, 0.35),
        0 2px 6px rgba(0, 0, 0, 0.15);
    text-decoration: none;
    font-family: 'Causten', 'Outfit', 'Poppins', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.wa-float:hover,
.wa-float:focus-visible {
    transform: translateY(-2px) scale(1.03);
    box-shadow:
        0 12px 30px rgba(37, 211, 102, 0.45),
        0 4px 10px rgba(0, 0, 0, 0.2);
    color: #fff;
}

.wa-float-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.16);
}

.wa-float-pulse {
    position: absolute;
    inset: 0;
    border-radius: 999px;
    background: #25D366;
    opacity: 0.55;
    z-index: -1;
    animation: waFloatPulse 2.4s ease-out infinite;
    pointer-events: none;
}

.wa-float-label {
    padding-right: 4px;
    white-space: nowrap;
}

@keyframes waFloatPulse {
    0%   { transform: scale(1);    opacity: 0.55; }
    70%  { transform: scale(1.35); opacity: 0;    }
    100% { transform: scale(1.35); opacity: 0;    }
}

/* Variante compacta en móvil — solo el icono */
@media (max-width: 600px) {
    .wa-float {
        padding: 0;
        width: 60px;
        height: 60px;
        justify-content: center;
        right: 18px;
        bottom: 18px;
    }
    .wa-float-icon {
        background: transparent;
    }
    .wa-float-label {
        display: none;
    }
}


/* ------------------------------------------------------------
   3. FOOTER SEMÁNTICO
   ------------------------------------------------------------ */
.site-footer {
    background: linear-gradient(180deg, #2C1D14 0%, #1A0F08 100%);
    color: #D4C4AA;
    padding: 80px 0 0;
    margin-top: 100px;
    font-family: 'Causten', 'Outfit', 'Poppins', sans-serif;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dorado-sutil, #C9A961), transparent);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 56px;
    padding-bottom: 56px;
}

.footer-brand .footer-logo {
    display: block;
    width: 200px;
    height: auto;
    margin-bottom: 20px;
    filter: brightness(1.1);
}

.footer-tagline {
    font-family: 'Valerius', 'Playfair Display', serif;
    font-size: 1.05rem;
    line-height: 1.55;
    color: #E4D4A8;
    margin: 0 0 24px;
    font-style: italic;
    letter-spacing: 0.01em;
}

.footer-social {
    display: flex;
    gap: 14px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(201, 169, 97, 0.4);
    border-radius: 50%;
    color: #E4D4A8;
    text-decoration: none;
    transition: all 0.25s ease;
}

.footer-social a:hover,
.footer-social a:focus-visible {
    background: var(--dorado-sutil, #C9A961);
    color: #2C1D14;
    border-color: var(--dorado-sutil, #C9A961);
    transform: translateY(-2px);
}

.footer-heading {
    font-family: 'Valerius', 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 400;
    color: #E4D4A8;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    margin: 0 0 22px;
}

.footer-heading::after {
    content: '';
    display: block;
    width: 28px;
    height: 1px;
    margin-top: 10px;
    background: var(--dorado-sutil, #C9A961);
}

.footer-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    color: #D4C4AA;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease, padding-left 0.25s ease;
    display: inline-block;
}

.footer-nav a:hover,
.footer-nav a:focus-visible {
    color: #E4D4A8;
    padding-left: 6px;
}

.footer-contact address {
    font-style: normal;
    font-size: 0.95rem;
    line-height: 1.7;
    color: #D4C4AA;
    margin: 0 0 16px;
}

.footer-phone a {
    color: #E4D4A8;
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: color 0.2s ease;
}

.footer-phone a:hover,
.footer-phone a:focus-visible {
    color: var(--dorado-sutil, #C9A961);
}

.footer-hours dl {
    margin: 0;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 8px 16px;
    font-size: 0.9rem;
}

.footer-hours dt {
    color: #E4D4A8;
    font-weight: 500;
}

.footer-hours dd {
    margin: 0;
    color: #D4C4AA;
}

.footer-bottom {
    border-top: 1px solid rgba(201, 169, 97, 0.18);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: center;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(212, 196, 170, 0.7);
}

.footer-bottom a {
    color: rgba(212, 196, 170, 0.85);
    text-decoration: none;
    margin: 0 6px;
    transition: color 0.2s ease;
}

.footer-bottom a:hover,
.footer-bottom a:focus-visible {
    color: var(--dorado-sutil, #C9A961);
}

.footer-copy {
    margin: 0;
}

.footer-legal {
    margin: 0;
}

/* Responsive footer */
@media (max-width: 960px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 600px) {
    .site-footer {
        padding-top: 56px;
    }
    .footer-container {
        padding: 0 22px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
        padding-bottom: 36px;
        text-align: left;
    }
    .footer-brand .footer-logo {
        width: 160px;
    }
}


/* ------------------------------------------------------------
   4. FOCUS VISIBLE — accesibilidad consistente
   Aplica un anillo dorado a TODO lo interactivo cuando el
   usuario navega con teclado. No interfiere con click de mouse
   gracias a :focus-visible.
   ------------------------------------------------------------ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible,
.category-card:focus-visible,
.espacio-card:focus-visible,
.decoration-plan-card:focus-visible,
.reservation-type-card:focus-visible,
.menu-item:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--dorado-sutil, #C9A961);
    outline-offset: 3px;
    border-radius: 4px;
}

/* Skip link visible al recibir foco */
.skip-link:focus {
    z-index: var(--z-skip-link);
}


/* ------------------------------------------------------------
   5. CLASE UTILITARIA — solo lectores de pantalla
   ------------------------------------------------------------ */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* ------------------------------------------------------------
   6. PREFERS-REDUCED-MOTION (GLOBAL)
   Respeta a usuarios con mareo vestibular o que prefieren
   menos movimiento. Desactiva todas las animaciones,
   transiciones y scroll-behavior suave.
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }

    .wa-float-pulse,
    .pulse-ring,
    .pulse-ring-2 {
        animation: none !important;
        display: none !important;
    }

    [data-aos] {
        opacity: 1 !important;
        transform: none !important;
    }

    html {
        scroll-behavior: auto !important;
    }
}