/* ============================================================
   EMICAKES — Sistema de Catálogos
   Plantilla maestra
   ============================================================ */

/* ---- Variables globales ---- */
:root {
    --color-fondo: #f5f3f0;
    --color-fondo-card: #ffffff;
    --color-texto: #1a1a1a;
    --color-texto-suave: #555555;
    --color-texto-tenue: #999999;
    --color-borde: #e8e4de;
    --color-acento: #A11D2C; /* Sobrescribible por catálogo */
    --color-acento-suave: rgba(161, 29, 44, 0.08);

    --fuente-titulo: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --fuente-descripcion: 'Cormorant Garamond', Georgia, serif;
    --fuente-cuerpo: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radio-base: 4px;
    --radio-suave: 8px;

    --transicion-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transicion-lenta: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    --max-ancho: 720px;
    --padding-pagina: 24px;
}

/* ---- Reset minimalista ---- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--fuente-cuerpo);
    color: var(--color-texto);
    background: var(--color-fondo);
    line-height: 1.6;
    font-size: 15px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    border: none;
    background: none;
    font: inherit;
    cursor: pointer;
    color: inherit;
}

/* ---- Contenedor principal ---- */
.contenedor {
    max-width: var(--max-ancho);
    margin: 0 auto;
    padding: 0 var(--padding-pagina);
}

/* ============================================================
   HEADER STICKY (aparece al scrollear)
   ============================================================ */
.header-sticky {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(245, 243, 240, 0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);

    /* Oculto inicialmente — JS lo activa al scrollear */
    transform: translateY(-100%);
    opacity: 0;
    transition: transform 320ms cubic-bezier(0.4, 0, 0.2, 1),
                opacity 320ms cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.header-sticky.visible {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.header-sticky-link {
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: var(--max-ancho);
    margin: 0 auto;
    padding: 12px var(--padding-pagina);
    color: var(--color-texto);
    text-decoration: none;
}

.header-sticky-logo {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.header-sticky-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.header-sticky-textos {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--fuente-titulo);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    line-height: 1;
    min-width: 0;
}

.header-sticky-marca {
    font-weight: 500;
    color: var(--color-texto);
    flex-shrink: 0;
}

.header-sticky-sep {
    color: var(--color-texto-tenue);
    flex-shrink: 0;
}

.header-sticky-coleccion {
    font-weight: 400;
    color: var(--color-texto-suave);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================
   PORTADA
   ============================================================ */
.portada {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: var(--color-acento);
}

.portada-imagen {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.45;
    mix-blend-mode: multiply;
}

.portada-contenido {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    padding: 0 32px;
}

.portada-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto 32px;
    opacity: 0.95;
}

.portada-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.portada-marca {
    font-family: var(--fuente-titulo);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: lowercase;
    margin-bottom: 14px;
    opacity: 0.95;
}

.portada-frase {
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: clamp(14px, 3.5vw, 17px);
    font-weight: 400;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.92);
    max-width: 480px;
    margin: 0 auto 24px;
    padding: 0 8px;
    text-wrap: balance;
}

.portada-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(20px, 5.5vw, 28px);
    font-weight: 400;
    letter-spacing: 0.22em;
    text-transform: lowercase;
    line-height: 1.5;
    margin-bottom: 8px;
}

.portada-anio {
    font-family: var(--fuente-titulo);
    font-size: clamp(20px, 5.5vw, 28px);
    font-weight: 400;
    letter-spacing: 0.32em;
    margin-top: 8px;
}

.portada-scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.7);
    font-size: 11px;
    letter-spacing: 0.2em;
    text-transform: lowercase;
    z-index: 2;
    animation: bounce-soft 2.4s ease-in-out infinite;
}

@keyframes bounce-soft {
    0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.7; }
    50% { transform: translateX(-50%) translateY(6px); opacity: 1; }
}

/* ============================================================
   INTRODUCCIÓN DE LA COLECCIÓN
   ============================================================ */
.introduccion {
    padding: 56px 0 24px;
    text-align: center;
}

.introduccion-texto {
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: clamp(16px, 3.8vw, 19px);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-texto-suave);
    max-width: 560px;
    margin: 0 auto;
    text-wrap: balance;
}

/* ============================================================
   SECCIÓN DE MODELO (página individual)
   ============================================================ */
.modelo {
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--color-borde);
}

.modelo:last-of-type {
    border-bottom: none;
}

.modelo-header {
    margin-bottom: 24px;
}

.modelo-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(32px, 8vw, 52px);
    font-weight: 300;
    letter-spacing: 0.32em;
    word-spacing: 0.4em;
    text-transform: lowercase;
    line-height: 1.15;
    color: var(--color-texto);
    margin-bottom: 18px;
    /* Permitir wrap solo entre palabras, nunca dentro de una palabra */
    overflow-wrap: normal;
    word-break: normal;
}

.modelo-descripcion {
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-texto-suave);
    font-weight: 400;
    max-width: 540px;
}

.modelo-imagen-wrapper {
    position: relative;
    margin: 24px 0;
    border-radius: var(--radio-suave);
    overflow: hidden;
    background: var(--color-fondo-card);
}

.modelo-imagen {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transicion-lenta);
}

.modelo-imagen-wrapper:hover .modelo-imagen {
    transform: scale(1.02);
}

.modelo-letra {
    position: absolute;
    top: 16px;
    left: 16px;
    font-family: var(--fuente-titulo);
    font-size: 64px;
    font-weight: 200;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1;
    z-index: 2;
    text-transform: lowercase;
    pointer-events: none;
}

/* Detalles del modelo (tamaños, sabores) */
.modelo-detalles {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin: 24px 0;
    padding: 20px;
    background: var(--color-fondo-card);
    border-radius: var(--radio-suave);
    border: 1px solid var(--color-borde);
}

.detalle-grupo {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.detalle-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-texto-tenue);
}

.detalle-valor {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-texto);
}

.detalle-valor ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.detalle-valor li {
    padding: 2px 0;
    position: relative;
    padding-left: 14px;
}

.detalle-valor li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--color-acento);
    font-weight: 300;
}

/* Botón pedir este modelo */
.btn-pedir {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px 24px;
    margin-top: 24px;
    background: var(--color-acento);
    color: #ffffff;
    font-family: var(--fuente-titulo);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    border-radius: var(--radio-suave);
    transition: background var(--transicion-base), transform var(--transicion-base);
    cursor: pointer;
}

.btn-pedir:hover {
    background: color-mix(in srgb, var(--color-acento) 88%, black);
    transform: translateY(-1px);
}

.btn-pedir:active {
    transform: translateY(0);
}

.btn-pedir-icono {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

/* ============================================================
   TABLA DE PRECIOS
   ============================================================ */
.precios {
    padding: 48px 0;
    border-bottom: 1px solid var(--color-borde);
}

.precios-titulo {
    font-family: var(--fuente-titulo);
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-texto);
    margin-bottom: 28px;
}

.precios-tabla-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0 calc(-1 * var(--padding-pagina));
    padding: 0 var(--padding-pagina);
}

.precios-tabla {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    min-width: 480px;
}

.precios-tabla thead th {
    text-align: center;
    padding: 12px 8px;
    font-family: var(--fuente-titulo);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-texto-suave);
    border-bottom: 2px solid var(--color-texto);
    vertical-align: bottom;
}

.precios-tabla thead th:first-child {
    text-align: left;
}

.precios-tabla .nombre-modelo-th {
    font-family: var(--fuente-titulo);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-texto);
    line-height: 1.4;
}

.precios-tabla tbody tr {
    border-bottom: 1px solid var(--color-borde);
}

.precios-tabla tbody tr:hover {
    background: var(--color-acento-suave);
}

.precios-tabla td {
    padding: 12px 8px;
    text-align: center;
    color: var(--color-texto);
}

.precios-tabla td:first-child {
    text-align: left;
    font-weight: 500;
    color: var(--color-texto);
}

.precios-tabla .seccion-header td {
    background: var(--color-fondo-card);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-texto-suave);
    padding: 14px 8px 10px;
    border-bottom: 1px solid var(--color-borde);
    text-align: left;
}

.precios-tabla .precio-no-disponible {
    color: var(--color-texto-tenue);
    text-decoration: line-through;
    opacity: 0.5;
}

/* Observaciones */
.precios-observaciones {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--color-borde);
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-texto-suave);
}

.precios-observaciones p {
    margin-bottom: 8px;
}

.precios-observaciones .marcador {
    color: var(--color-acento);
    font-weight: 600;
}

/* ============================================================
   SECCIÓN INSTRUCTIVO / IMPORTANTE
   ============================================================ */
.instructivo {
    padding: 48px 0 32px;
}

.instructivo-titulo {
    font-family: var(--fuente-titulo);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-texto);
    text-align: center;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-borde);
}

.instructivo-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.instructivo-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 12px;
}

.instructivo-icono {
    width: 32px;
    height: 32px;
    margin-bottom: 12px;
    color: var(--color-texto-suave);
}

.instructivo-icono svg {
    width: 100%;
    height: 100%;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.5;
}

.instructivo-texto {
    font-size: 14px;
    line-height: 1.55;
    color: var(--color-texto);
    max-width: 420px;
}

.instructivo-texto strong {
    font-weight: 600;
}

.instructivo-cierre {
    text-align: center;
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: 17px;
    color: var(--color-texto);
    padding: 24px 0;
    border-top: 1px solid var(--color-borde);
    margin-top: 8px;
}

/* ============================================================
   BOTÓN GRANDE WHATSAPP (reemplaza QR)
   ============================================================ */
.whatsapp-cta {
    padding: 32px 0 56px;
    text-align: center;
}

.whatsapp-cta-texto {
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: 15px;
    color: var(--color-texto-suave);
    margin-bottom: 18px;
    line-height: 1.5;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 32px;
    background: #25D366;
    color: #ffffff;
    font-family: var(--fuente-titulo);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: 999px;
    transition: transform var(--transicion-base), box-shadow var(--transicion-base);
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(37, 211, 102, 0.45);
}

.btn-whatsapp svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.whatsapp-numero {
    display: block;
    margin-top: 14px;
    font-size: 13px;
    color: var(--color-texto-tenue);
    letter-spacing: 0.05em;
}

/* ============================================================
   FOOTER MINIMAL
   ============================================================ */
.footer-catalogo {
    padding: 24px 0 32px;
    border-top: 1px solid var(--color-borde);
    text-align: center;
    font-size: 11px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-texto-tenue);
}

/* ============================================================
   LANDING RAÍZ — grilla de catálogos vigentes
   ============================================================ */
.landing-hero {
    padding: 72px 0 48px;
    text-align: center;
    border-bottom: 1px solid var(--color-borde);
}

.landing-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
}

.landing-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.landing-marca {
    font-family: var(--fuente-titulo);
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.32em;
    text-transform: lowercase;
    color: var(--color-texto-suave);
    margin-bottom: 12px;
}

.landing-titulo {
    font-family: var(--fuente-titulo);
    font-size: clamp(28px, 6vw, 38px);
    font-weight: 300;
    letter-spacing: 0.05em;
    color: var(--color-texto);
    margin-bottom: 14px;
}

.landing-subtitulo {
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: 17px;
    color: var(--color-texto-suave);
    max-width: 520px;
    margin: 0 auto;
    line-height: 1.5;
}

.landing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 48px 0;
}

.catalogo-card {
    position: relative;
    display: block;
    aspect-ratio: 3 / 4;
    border-radius: var(--radio-suave);
    overflow: hidden;
    background: var(--color-fondo-card);
    transition: transform var(--transicion-base), box-shadow var(--transicion-base);
    cursor: pointer;
}

.catalogo-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
}

.catalogo-card-imagen {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transicion-lenta);
}

.catalogo-card:hover .catalogo-card-imagen {
    transform: scale(1.05);
}

.catalogo-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.75) 100%);
    z-index: 2;
}

.catalogo-card-contenido {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    color: #ffffff;
    z-index: 3;
}

.catalogo-card-marca {
    font-family: var(--fuente-titulo);
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.25em;
    text-transform: lowercase;
    opacity: 0.85;
    margin-bottom: 6px;
}

.catalogo-card-titulo {
    font-family: var(--fuente-titulo);
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: lowercase;
    line-height: 1.2;
    margin-bottom: 8px;
}

.catalogo-card-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: lowercase;
    opacity: 0.9;
}

.landing-vacio {
    padding: 80px 0;
    text-align: center;
    color: var(--color-texto-suave);
    font-family: var(--fuente-descripcion);
    font-style: italic;
    font-size: 17px;
}

/* ============================================================
   ANIMACIONES DE ENTRADA
   ============================================================ */
.fade-in {
    animation: fadeIn 600ms ease-out both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modelo {
    animation: fadeIn 600ms ease-out both;
}

/* ============================================================
   RESPONSIVE — Desktop
   ============================================================ */
@media (min-width: 768px) {
    body {
        font-size: 16px;
    }

    .contenedor {
        padding: 0 40px;
    }

    .header-coleccion {
        padding: 32px 0 28px;
    }

    .header-logo {
        width: 56px;
        height: 56px;
    }

    .modelo {
        padding: 64px 0 48px;
    }

    .modelo-detalles {
        grid-template-columns: 1fr 1fr;
        padding: 24px;
    }

    .precios-tabla {
        font-size: 14px;
    }

    .instructivo-grid {
        gap: 28px;
    }

    .landing-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
}

@media (min-width: 1024px) {
    :root {
        --max-ancho: 800px;
    }

    .landing-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* ============================================================
   PRINT (por si alguien imprime el catálogo)
   ============================================================ */
@media print {
    .btn-pedir, .btn-whatsapp, .portada-scroll-hint, .whatsapp-cta {
        display: none !important;
    }

    body {
        background: white;
    }

    .modelo {
        page-break-inside: avoid;
        page-break-after: always;
    }
}