/* ============================================================
   SLIDERS.CSS — Cladera | Hero Slider con SVG ANIMADOS
   ------------------------------------------------------------
   Se carga DESPUÉS de style.css (así puede ajustar los estilos
   del slider sin tocar el resto del sitio).
   - Los SVG (1000 x 300) se incrustan con <object> para que
     sus animaciones CSS/SMIL nunca se pierdan.
   - pointer-events:none sobre el SVG: al ser decorativo no
     roba clics a los botones ni los gestos de deslizamiento.
   ============================================================ */

:root {
    --sl-navy:   #0a1a3a;
    --sl-blue:   #1f4e8c;
    --sl-cyan:   #3498db;
    --sl-gold:   #f5b301;
    --sl-gold-2: #ffd166;
    --sl-fade:   .9s;
}

/* ------------------------------------------------------------
   CONTENEDOR PRINCIPAL — altura FLUIDA (se autoajusta sola)
   ------------------------------------------------------------
   Ya no usa aspect-ratio ni alturas fijas por saltos: clamp()
   hace que el banner crezca/reduzca suave al redimensionar.
   En pantallas ≤640px el layout cambia a APILADO: el SVG se
   muestra COMPLETO arriba y el texto debajo (ver más abajo),
   así la imagen nunca desaparece en el teléfono. */
.hero-slider {
    position: relative;
    width: 100%;
    height: clamp(340px, 30vw, 460px);
    overflow: hidden;
    background: var(--sl-navy);
    isolation: isolate;
}

.slider-container {
    position: relative;
    width: 100%;
    height: 100%;
}

/* ------------------------------------------------------------
   DIAPOSITIVAS — crossfade suave; los SVG siguen animándose
   ------------------------------------------------------------ */
.slide {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 1;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--sl-fade) ease, visibility 0s linear var(--sl-fade);
}
.slide.active {
    z-index: 2;
    opacity: 1;
    visibility: visible;
    transition: opacity var(--sl-fade) ease;
}

/* ------------------------------------------------------------
   FONDO SVG ANIMADO
   ------------------------------------------------------------ */
.slide-bg {
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--sl-navy) 0%, var(--sl-blue) 55%, var(--sl-cyan) 100%);
}

.slide-svg-animado {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100% !important;   /* !important: gana al CSS del tema */
    height: 100% !important;
    border: 0;
    pointer-events: none; /* el SVG es decorativo y animado */
}

.slide-svg-fallback {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Velo de legibilidad cuando el banner tiene texto encima */
.slide-bg.has-caption::after {
    content: "";
    position: absolute;
    top: 0; right: 0; bottom: 0; left: 0;
    pointer-events: none;
    background: linear-gradient(90deg,
        rgba(6, 18, 40, .92) 0%,
        rgba(6, 18, 40, .68) 34%,
        rgba(6, 18, 40, .26) 62%,
        rgba(6, 18, 40, 0) 84%);
}

.slide-bg-faltante {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ------------------------------------------------------------
   TEXTO DEL BANNER
   ------------------------------------------------------------ */
.slide-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    align-items: center;
}
.slide-content .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 84px 0 72px;
}
.slide-text {
    max-width: 620px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.slide-label {
    display: inline-block;
    width: fit-content;
    padding: 7px 16px;
    border-radius: 999px;
    background: rgba(245, 179, 1, .16);
    border: 1px solid rgba(245, 179, 1, .55);
    color: var(--sl-gold-2);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.6px;
    text-transform: uppercase;
}

.slide-title {
    margin: 0;
    color: #ffffff;
    font-weight: 800;
    font-size: clamp(26px, 4.2vw, 46px);
    line-height: 1.12;
    text-shadow: 0 2px 16px rgba(0, 0, 0, .35);
}
.slide-title span { color: var(--sl-gold-2); }

.slide-text p {
    margin: 0;
    color: rgba(255, 255, 255, .93);
    font-size: clamp(15px, 1.6vw, 19px);
    line-height: 1.55;
}

/* Animación de entrada del texto cada vez que el banner aparece */
.slide-text > * { opacity: 0; transform: translateY(18px); }
.slide.active .slide-text > * { animation: slTexto .7s ease forwards; }
.slide.active .slide-text > *:nth-child(1) { animation-delay: .15s; }
.slide.active .slide-text > *:nth-child(2) { animation-delay: .30s; }
.slide.active .slide-text > *:nth-child(3) { animation-delay: .45s; }
.slide.active .slide-text > *:nth-child(4) { animation-delay: .60s; }
@keyframes slTexto { to { opacity: 1; transform: none; } }

/* Botones dentro del slider */
.slide-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 6px;
}
.hero-slider .slide-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 12px 24px;
    border-radius: 8px;
    border: 0;
    font-weight: 700;
    font-size: 15px;
    line-height: 1.2;
    text-decoration: none;
    cursor: pointer;
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.hero-slider .slide-buttons .btn:hover { transform: translateY(-2px); }
.hero-slider .slide-buttons .btn-primary {
    background: var(--sl-gold);
    color: #14213d;
    box-shadow: 0 8px 20px rgba(245, 179, 1, .35);
}
.hero-slider .slide-buttons .btn-primary:hover { background: var(--sl-gold-2); }
.hero-slider .slide-buttons .btn-secondary {
    background: rgba(255, 255, 255, .14);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, .55);
}
.hero-slider .slide-buttons .btn-secondary:hover { background: rgba(255, 255, 255, .26); }
.hero-slider .slide-buttons .btn-info {
    background: var(--sl-cyan);
    color: #06263f;
}

/* ------------------------------------------------------------
   FLECHAS
   ------------------------------------------------------------ */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 6;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .35);
    background: rgba(8, 22, 46, .45);
    color: #ffffff;
    font-size: 17px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: .85;
    transition: background .25s ease, color .25s ease, opacity .25s ease;
    -webkit-backdrop-filter: blur(4px);
    backdrop-filter: blur(4px);
}
.slider-arrow:hover,
.slider-arrow:focus-visible {
    background: var(--sl-gold);
    color: #14213d;
    opacity: 1;
    outline: none;
}
.slider-prev { left: 14px; }
.slider-next { right: 14px; }

/* ------------------------------------------------------------
   PUNTOS
   ------------------------------------------------------------ */
.slider-dots {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 18px;
    z-index: 6;
    display: flex;
    gap: 9px;
}
.slider-dot {
    width: 12px;
    height: 12px;
    padding: 0;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, .85);
    background: transparent;
    cursor: pointer;
    transition: background .25s ease, border-color .25s ease, transform .25s ease;
}
.slider-dot:hover { border-color: var(--sl-gold-2); }
.slider-dot.active {
    background: var(--sl-gold);
    border-color: var(--sl-gold);
    transform: scale(1.2);
}

/* ------------------------------------------------------------
   BARRA DE PROGRESO del avance automático
   (script.js define --intervalo-slider en la sección)
   ------------------------------------------------------------ */
.slider-progress {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 4px;
    z-index: 6;
    background: rgba(255, 255, 255, .18);
}
.slider-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--sl-gold), var(--sl-gold-2));
}
.slider-progress span.animar {
    animation: slProgreso linear forwards;
    animation-duration: var(--intervalo-slider, 6000ms);
}
.hero-slider.paused .slider-progress span.animar { animation-play-state: paused; }
@keyframes slProgreso { from { width: 0; } to { width: 100%; } }

/* ------------------------------------------------------------
   RESPONSIVE
   ------------------------------------------------------------
   > 900px : banner completo (proporción 10:3), texto encima.
   641-900 : banner más alto, texto encima (velo inferior).
   ≤ 640px : APILADO — imagen SIEMPRE visible arriba (franja
             que conserva la proporción del banner) y texto
             debajo sobre fondo sólido. Nada desaparece. */
@media (max-width: 900px) {
    .hero-slider {
        height: clamp(400px, 52vw, 470px);
    }
    .slide-bg.has-caption::after {
        background: linear-gradient(180deg,
            rgba(6, 18, 40, .30) 0%,
            rgba(6, 18, 40, .62) 45%,
            rgba(6, 18, 40, .94) 100%);
    }
    .slide-content { align-items: flex-end; }
    .slide-content .container { padding: 0 60px 46px 22px; }
    .slide-text { max-width: 100%; }
    .slider-arrow { width: 38px; height: 38px; }
    .slider-prev { left: 10px; }
    .slider-next { right: 10px; }
}

@media (max-width: 640px) {
    /* --- MODO APILADO: imagen arriba, texto debajo --- */
    .hero-slider { height: 460px; }
    .slide {
        display: flex;
        flex-direction: column;
    }
    /* Franja de imagen: conserva casi la proporción 10:3 del
       banner, así se ve COMPLETO (el JS interno ya lo hace
       cubrir con slice, aquí solo sobra un recorte mínimo) */
    .slide-bg {
        position: relative;
        top: auto; right: auto; bottom: auto; left: auto;
        flex: 0 0 auto;
        height: clamp(120px, 36vw, 240px);
        overflow: hidden;
    }
    /* El texto ya no pisa la imagen: velo suave y opcional */
    .slide-bg.has-caption::after {
        background: linear-gradient(180deg,
            rgba(6, 18, 40, 0) 58%,
            rgba(6, 18, 40, .55) 100%);
    }
    .slide-content {
        flex: 1 1 auto;
        height: auto;
        align-items: flex-start;
    }
    .slide-content .container { padding: 20px 18px 58px 18px; }
    .slide-text { gap: 11px; }
    .slider-arrow { display: none; } /* en móvil: deslizar y usar los puntos */
    .hero-slider .slide-buttons .btn { padding: 11px 18px; font-size: 14px; min-height: 44px; } /* táctil cómodo */
}

/* Accesibilidad: prefiere menos movimiento */
@media (prefers-reduced-motion: reduce) {
    .slide { transition: none; }
    .slide.active .slide-text > * { animation: none; opacity: 1; transform: none; }
    .slider-progress span.animar { animation: none; width: 0; }
}

/* ------------------------------------------------------------
   CARRUSEL DEL BLOG (mecánica; el estilo visual fino del resto
   de tarjetas sigue viviendo en style.css)
   ------------------------------------------------------------ */
.blog-slider-wrapper {
    position: relative;
    overflow: hidden;
}
.blog-slider {
    display: flex;
    transition: transform .55s ease;
    will-change: transform;
}
.blog-slide {
    flex: 0 0 100%;
    max-width: 100%;
}
.blog-slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 18px;
}
.blog-prev,
.blog-next {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(10, 26, 58, .25);
    background: #ffffff;
    color: var(--sl-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background .25s ease, color .25s ease;
}
.blog-prev:hover,
.blog-next:hover {
    background: var(--sl-gold);
    color: #14213d;
}
.blog-dots {
    display: flex;
    gap: 8px;
}
.blog-dot {
    width: 10px;
    height: 10px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: #c8d3e0;
    cursor: pointer;
    transition: background .25s ease, transform .25s ease;
}
.blog-dot.active {
    background: var(--sl-blue);
    transform: scale(1.25);
}

/* ------------------------------------------------------------
   BOTÓN VOLVER ARRIBA
   ------------------------------------------------------------ */
.back-to-top-btn {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 60;
    width: 46px;
    height: 46px;
    border: 0;
    border-radius: 50%;
    background: var(--sl-navy);
    color: #ffffff;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 8px 22px rgba(0, 0, 0, .28);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity .3s ease, transform .3s ease, visibility .3s ease, background .25s ease;
}
.back-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: none;
}
.back-to-top-btn:hover {
    background: var(--sl-gold);
    color: #14213d;
}