/* ================================================================
   TINTA WAYRA — Estilos Modernos Literario-Culturales
   Paleta: Marfil · Crema · Dorado · Marrón · Vino · Negro Elegante
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,700;1,400&family=Montserrat:wght@300;400;500;600&display=swap');

:root {
    --marfil:        #F5F0E8;
    --crema:         #FFF9F0;
    --dorado:        #C9A84C;
    --dorado-claro:  #DFC06E;
    --dorado-oscuro: #9A7828;
    --marron:        #3D2B1F;
    --marron-medio:  #5C3D2A;
    --vino:          #7A2535;
    --terracota:     #B5533C;
    --oscuro:        #1C1008;
    --gris-calido:   #8C7B6E;
    --blanco-roto:   #FDFAF5;
}

/* ───── Reset y base ───── */
*, *::before, *::after { box-sizing: border-box; }

body {
    background-color: var(--marfil);
    font-family: 'Montserrat', sans-serif;
    color: var(--oscuro);
    margin: 0;
    padding: 0;
}

/* ================================================================
   NAVBAR
   ================================================================ */
.navbar-tw {
    background-color: var(--oscuro) !important;
    border-bottom: 2px solid var(--dorado);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-tw .navbar-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.25rem;
    color: var(--dorado) !important;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.navbar-tw .navbar-brand img {
    height: 34px;
}

.navbar-tw .nav-link {
    color: rgba(255, 255, 255, 0.80) !important;
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    padding: 0.5rem 0.9rem !important;
    transition: color 0.2s;
}

.navbar-tw .nav-link:hover,
.navbar-tw .nav-link.activo {
    color: var(--dorado) !important;
}

.navbar-tw .navbar-toggler {
    border-color: rgba(201, 168, 76, 0.5);
}

.navbar-tw .navbar-toggler-icon {
    filter: invert(1);
}

.btn-nav-sesion {
    background-color: var(--dorado);
    color: var(--oscuro) !important;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 4px;
    padding: 0.4rem 1.1rem !important;
    margin-left: 0.3rem;
    transition: background-color 0.25s;
}

.btn-nav-sesion:hover {
    background-color: var(--dorado-oscuro) !important;
    color: #fff !important;
}

/* ================================================================
   HERO — SECCIÓN LIBRO PRINCIPAL
   ================================================================ */
.hero-libro {
    background: linear-gradient(135deg, var(--oscuro) 0%, var(--marron) 55%, #2A180C 100%);
    padding: 5rem 0 4rem;
    position: relative;
    overflow: hidden;
}

.hero-libro::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23C9A84C' fill-opacity='0.04'%3E%3Cpath d='M40 40c0-11-9-20-20-20s-20 9-20 20 9 20 20 20 20-9 20-20zm20 0c0 11 9 20 20 20s20-9 20-20-9-20-20-20-20 9-20 20z'/%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-libro::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, var(--marfil));
}

.hero-contenido {
    position: relative;
    z-index: 2;
}

.hero-etiqueta {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--dorado);
    border: 1px solid var(--dorado);
    border-radius: 3px;
    padding: 0.3rem 0.8rem;
    margin-bottom: 1.2rem;
}

.hero-titulo {
    font-family: 'Playfair Display', serif;
    font-size: 4rem;
    color: var(--dorado-claro);
    line-height: 1.1;
    margin-bottom: 0.4rem;
}

.hero-subtitulo {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 1.8rem;
    letter-spacing: 0.06em;
}

.hero-descripcion {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.02rem;
    line-height: 1.75;
    max-width: 500px;
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-botones {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

/* Botón Ver sinopsis */
.btn-sinopsis {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: transparent;
    border: 2px solid var(--dorado);
    color: var(--dorado);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.7rem 1.6rem;
    border-radius: 4px;
    text-decoration: none;
    transition: all 0.25s;
}
.btn-sinopsis:hover {
    background-color: var(--dorado);
    color: var(--oscuro);
}

/* Botón Comprar */
.btn-comprar-wa {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: #25D366;
    border: none;
    color: #fff;
    font-weight: 700;
    font-size: 0.9rem;
    padding: 0.7rem 1.6rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.25s;
}
.btn-comprar-wa:hover {
    background-color: #1DA851;
    color: #fff;
}

/* Botón Consultar */
.btn-consultar {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background-color: var(--vino);
    border: none;
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0.7rem 1.6rem;
    border-radius: 4px;
    text-decoration: none;
    transition: background-color 0.25s;
}
.btn-consultar:hover {
    background-color: #5A1828;
    color: #fff;
}

/* Portada libro */
.portada-libro {
    max-height: 500px;
    width: auto;
    max-width: 100%;
    filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.7));
    transition: transform 0.4s ease;
    border-radius: 4px;
}
.portada-libro:hover {
    transform: scale(1.025) rotate(1deg);
}

/* ================================================================
   UTILIDADES DE SECCIÓN
   ================================================================ */
.seccion-titulo {
    font-family: 'Playfair Display', serif;
    color: var(--marron);
    font-size: 2rem;
    margin-bottom: 0.4rem;
}

.seccion-subtitulo {
    color: var(--gris-calido);
    font-size: 1rem;
    font-weight: 300;
    margin-bottom: 0;
}

.linea-dorada {
    width: 55px;
    height: 3px;
    background: linear-gradient(90deg, var(--dorado-oscuro), var(--dorado));
    margin: 0.8rem auto 2.5rem;
    border-radius: 2px;
}

.linea-dorada.izquierda {
    margin-left: 0;
}

/* ================================================================
   SECCIÓN BIENVENIDA / PLATAFORMA
   ================================================================ */
.seccion-bienvenida {
    background-color: var(--crema);
    padding: 5rem 0;
}

.card-bienvenida {
    background: var(--blanco-roto);
    border: 1px solid rgba(201, 168, 76, 0.25);
    border-left: 4px solid var(--dorado);
    border-radius: 10px;
    padding: 2.5rem 2.8rem;
    box-shadow: 0 6px 25px rgba(61, 43, 31, 0.08);
}

.card-bienvenida p {
    font-size: 0.97rem;
    line-height: 1.8;
    color: #4A3A2A;
}

/* ================================================================
   SECCIÓN BENEFICIOS
   ================================================================ */
.seccion-beneficios {
    background-color: var(--marfil);
    padding: 5rem 0;
}

.card-beneficio {
    background: var(--blanco-roto);
    border: 1px solid rgba(201, 168, 76, 0.18);
    border-radius: 12px;
    padding: 2.2rem 1.8rem;
    text-align: center;
    height: 100%;
    transition: transform 0.25s, box-shadow 0.25s;
    box-shadow: 0 3px 12px rgba(61, 43, 31, 0.06);
}

.card-beneficio:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 35px rgba(61, 43, 31, 0.14);
}

.icono-beneficio {
    font-size: 2.4rem;
    color: var(--dorado);
    display: block;
    margin-bottom: 1.1rem;
}

.card-beneficio h4 {
    font-family: 'Playfair Display', serif;
    color: var(--marron);
    font-size: 1.15rem;
    margin-bottom: 0.7rem;
}

.card-beneficio p {
    font-size: 0.9rem;
    color: var(--gris-calido);
    line-height: 1.65;
    margin-bottom: 0;
}

/* ================================================================
   SECCIÓN PLANES
   ================================================================ */
.seccion-planes {
    background: linear-gradient(180deg, var(--crema) 0%, var(--marfil) 100%);
    padding: 5rem 0;
}

.card-plan {
    background: var(--blanco-roto);
    border: 1px solid rgba(201, 168, 76, 0.25);
    border-radius: 12px;
    overflow: hidden;
    height: 100%;
    transition: transform 0.25s, box-shadow 0.25s;
    box-shadow: 0 4px 18px rgba(61, 43, 31, 0.08);
}

.card-plan:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(61, 43, 31, 0.16);
}

.card-plan.destacado {
    border: 2px solid var(--dorado);
    transform: scale(1.02);
}

.card-plan.destacado:hover {
    transform: scale(1.02) translateY(-6px);
}

.card-plan-header {
    background: var(--marron);
    color: var(--dorado-claro);
    padding: 1.3rem 1rem;
    text-align: center;
    font-family: 'Playfair Display', serif;
    font-size: 1.15rem;
}

.card-plan.destacado .card-plan-header {
    background: linear-gradient(135deg, var(--dorado-oscuro), var(--dorado));
    color: var(--oscuro);
}

.card-plan-body {
    padding: 1.8rem 1.5rem;
    text-align: center;
}

.precio-tachado {
    font-size: 1rem;
    color: var(--gris-calido);
    text-decoration: line-through;
}

.precio-principal {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--marron);
    font-family: 'Playfair Display', serif;
}

.precio-periodo {
    font-size: 0.85rem;
    color: var(--gris-calido);
    font-weight: 300;
}

.lista-plan {
    list-style: none;
    padding: 0;
    margin: 1.5rem auto 0;
    text-align: left;
    max-width: 220px;
}

.lista-plan li {
    font-size: 0.88rem;
    color: var(--marron-medio);
    padding: 0.35rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lista-plan li::before {
    content: '';
    width: 14px;
    height: 14px;
    background-color: var(--dorado);
    mask-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 16 16' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M13.78 4.22a.75.75 0 0 1 0 1.06l-7.25 7.25a.75.75 0 0 1-1.06 0L2.22 9.28a.75.75 0 0 1 1.06-1.06L6 10.94l6.72-6.72a.75.75 0 0 1 1.06 0z'/%3E%3C/svg%3E");
    mask-repeat: no-repeat;
    mask-size: contain;
    flex-shrink: 0;
}

/* ================================================================
   SECCIÓN CTA REGISTRO
   ================================================================ */
.seccion-cta {
    background: linear-gradient(135deg, var(--marron) 0%, var(--oscuro) 100%);
    padding: 5rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.seccion-cta::before {
    content: '"';
    font-family: 'Playfair Display', serif;
    font-size: 20rem;
    color: rgba(201, 168, 76, 0.04);
    position: absolute;
    top: -4rem;
    left: 2rem;
    line-height: 1;
    pointer-events: none;
}

.seccion-cta h2 {
    font-family: 'Playfair Display', serif;
    color: var(--dorado-claro);
    font-size: 2.3rem;
    margin-bottom: 0.8rem;
}

.seccion-cta p {
    color: rgba(255, 255, 255, 0.72);
    font-weight: 300;
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.btn-cta-registro {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--dorado);
    color: var(--oscuro);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.85rem 2.2rem;
    border-radius: 5px;
    text-decoration: none;
    transition: all 0.25s;
    border: none;
}

.btn-cta-registro:hover {
    background-color: var(--dorado-claro);
    color: var(--oscuro);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 168, 76, 0.35);
}

/* ================================================================
   SECCIÓN VIDEOS
   ================================================================ */
.seccion-videos {
    background-color: var(--crema);
    padding: 5rem 0;
}

.card-video {
    background: var(--blanco-roto);
    border: 1px solid rgba(201, 168, 76, 0.18);
    border-radius: 12px;
    overflow: hidden;
    height: 100%;
    box-shadow: 0 4px 15px rgba(61, 43, 31, 0.08);
    transition: box-shadow 0.25s;
}

.card-video:hover {
    box-shadow: 0 10px 30px rgba(61, 43, 31, 0.16);
}

/* ================================================================
   FOOTER
   ================================================================ */
.footer-tw {
    background-color: var(--oscuro);
    color: rgba(255, 255, 255, 0.68);
    padding: 3.5rem 0 0;
    border-top: 2px solid var(--dorado);
}

.footer-tw .footer-brand {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    color: var(--dorado);
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    margin-bottom: 0.8rem;
}

.footer-tw .footer-brand img {
    height: 30px;
}

.footer-tw .footer-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    font-weight: 300;
    margin-bottom: 1.5rem;
}

.footer-tw h6 {
    font-family: 'Playfair Display', serif;
    color: var(--dorado);
    font-size: 0.95rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.footer-tw .footer-link {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.88rem;
    padding: 0.25rem 0;
    transition: color 0.2s;
}

.footer-tw .footer-link:hover {
    color: var(--dorado);
}

.footer-tw .footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(201, 168, 76, 0.3);
    color: rgba(255, 255, 255, 0.65);
    font-size: 1.1rem;
    margin: 0 0.25rem;
    text-decoration: none;
    transition: all 0.25s;
}

.footer-tw .footer-social a:hover {
    background-color: var(--dorado);
    border-color: var(--dorado);
    color: var(--oscuro);
}

.footer-tw .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 1rem 0;
    margin-top: 2.5rem;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.35);
    text-align: center;
}

/* ================================================================
   SINOPSIS — PÁGINA ESTÁTICA
   ================================================================ */
.sinopsis-hero {
    background: linear-gradient(135deg, var(--oscuro) 0%, var(--marron) 100%);
    padding: 4rem 0;
    text-align: center;
}

.sinopsis-hero h1 {
    font-family: 'Playfair Display', serif;
    color: var(--dorado-claro);
    font-size: 3rem;
}

.sinopsis-hero .autor {
    color: rgba(255, 255, 255, 0.65);
    font-size: 1rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sinopsis-portada {
    max-height: 480px;
    width: auto;
    max-width: 100%;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.6));
    border-radius: 4px;
}

.sinopsis-descripcion {
    background: var(--crema);
    padding: 4rem 0;
}

.sinopsis-descripcion .lead {
    font-size: 1.08rem;
    line-height: 1.85;
    color: var(--marron);
    font-weight: 300;
}

.bloque-sinopsis {
    background: var(--blanco-roto);
    border-left: 4px solid var(--dorado);
    border-radius: 0 10px 10px 0;
    padding: 2rem 2.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(61, 43, 31, 0.07);
}

.bloque-sinopsis p {
    font-size: 0.97rem;
    line-height: 1.82;
    color: #4A3520;
    margin-bottom: 0;
}

.lista-cuentos {
    background: var(--marfil);
    padding: 4rem 0;
}

.cuento-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(201, 168, 76, 0.2);
}

.cuento-numero {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    color: var(--dorado);
    opacity: 0.5;
    line-height: 1;
    min-width: 40px;
}

.cuento-info h5 {
    font-family: 'Playfair Display', serif;
    color: var(--marron);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.cuento-info p {
    font-size: 0.88rem;
    color: var(--gris-calido);
    margin-bottom: 0;
    line-height: 1.55;
}

.bloque-cultural {
    background: linear-gradient(135deg, var(--marron) 0%, var(--oscuro) 100%);
    padding: 4rem 0;
    text-align: center;
}

.bloque-cultural blockquote {
    font-family: 'Playfair Display', serif;
    font-style: italic;
    font-size: 1.5rem;
    color: var(--dorado-claro);
    max-width: 680px;
    margin: 0 auto 1.5rem;
    line-height: 1.5;
}

.bloque-cultural cite {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-style: normal;
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 768px) {
    .hero-libro {
        padding: 3rem 0 3.5rem;
        text-align: center;
    }

    .hero-titulo {
        font-size: 2.5rem;
    }

    .hero-descripcion {
        max-width: 100%;
        font-size: 0.95rem;
    }

    .hero-botones {
        justify-content: center;
    }

    .portada-libro {
        max-height: 300px;
        margin-top: 2.5rem;
    }

    .seccion-titulo {
        font-size: 1.65rem;
    }

    .card-plan.destacado {
        transform: none;
    }

    .sinopsis-hero h1 {
        font-size: 2.1rem;
    }

    .bloque-cultural blockquote {
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .hero-titulo {
        font-size: 2rem;
    }

    .btn-sinopsis,
    .btn-comprar-wa,
    .btn-consultar {
        width: 100%;
        justify-content: center;
    }
}

/* ================================================================
   ANIMACIONES SUAVES
   ================================================================ */
.fade-up {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.55s ease, transform 0.55s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}