/* ==========================================================================
   Motor visual compartido entre Multiserfa y Lifepro.
   Ninguna regla de aca define un color, una tipografia o un radio de borde
   directamente: todo se lee de variables CSS que define cada
   brand-{slug}.css. Esta es la unica manera en que el mismo HTML produce
   dos sitios que se sienten distintos.
   ========================================================================== */

* { box-sizing: border-box; }

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

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: var(--font-body);
    font-weight: var(--font-body-weight, 400);
    line-height: 1.6;
    font-size: 16px;
}

h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: var(--font-heading-weight, 700);
    color: var(--color-heading);
    line-height: 1.2;
    margin: 0 0 0.5rem;
}

h3 {
    font-family: var(--font-subheading, var(--font-heading));
    font-weight: var(--font-subheading-weight, 600);
}

a { color: var(--color-primary); }

p { margin: 0 0 1rem; }

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

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---------- Header ---------- */
.site-header {
    background: var(--header-bg);
    border-bottom: 1px solid var(--header-border, transparent);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.1rem;
    padding-bottom: 1.1rem;
    gap: 1.5rem;
}

.site-header .logo img {
    height: var(--logo-height, 42px);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--nav-gap, 1.75rem);
    flex-wrap: wrap;
}

.site-nav a {
    color: var(--header-text);
    text-decoration: none;
    font-family: var(--font-subheading, var(--font-heading));
    font-weight: var(--font-subheading-weight, 600);
    font-size: 0.92rem;
    letter-spacing: var(--nav-letter-spacing, normal);
    padding-bottom: 0.2rem;
    border-bottom: 2px solid transparent;
    transition: border-color 0.15s ease, color 0.15s ease;
}

.site-nav a:hover,
.site-nav a.active {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.site-nav a.nav-cta {
    background: var(--color-primary);
    color: var(--color-on-primary, #fff);
    padding: 0.5rem 1.1rem;
    border-radius: var(--radius-pill);
    border-bottom: none;
}

.site-nav a.nav-cta:hover {
    background: var(--color-primary-dark);
    border-color: transparent;
}

@media (max-width: 640px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.85rem;
    }
    .site-nav { gap: 1.1rem; row-gap: 0.6rem; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background: var(--hero-bg);
    color: var(--hero-text, #fff);
    padding: var(--hero-padding, 4.5rem 0);
}

/* Velo oscuro sobre el degradado: sin esto, el texto blanco no llega al
   contraste minimo de WCAG AA (4.5:1) contra los extremos mas claros de
   algunos degradados de marca. Cada marca ajusta --hero-overlay segun lo
   que necesite (ver brand-*.css). */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, var(--hero-overlay, 0.12));
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    color: var(--hero-text, #fff);
    font-size: clamp(1.9rem, 4vw, 2.75rem);
    max-width: 30ch;
}

.hero p.lead {
    font-size: 1.1rem;
    max-width: 48ch;
    opacity: 0.92;
}

.hero .badge-line {
    font-family: var(--font-subheading, var(--font-heading));
    font-weight: var(--font-subheading-weight, 600);
    text-transform: var(--eyebrow-transform, none);
    letter-spacing: var(--eyebrow-spacing, normal);
    color: var(--hero-eyebrow, var(--hero-text));
    opacity: 0.85;
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-family: var(--font-subheading, var(--font-heading));
    font-weight: var(--font-subheading-weight, 600);
    font-size: 0.92rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.1s ease, background 0.15s ease, border-color 0.15s ease;
}

.btn:hover { transform: translateY(-1px); }

.btn-primary { background: var(--color-primary); color: var(--color-on-primary, #fff); }
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-secondary { background: transparent; color: var(--hero-text, var(--color-primary)); border-color: currentColor; }
.btn-secondary:hover { background: rgba(255,255,255,0.15); }

.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: var(--color-on-primary, #fff); }

/* ---------- Cards / sections ---------- */
.section { padding: 3.5rem 0; }
.section-alt { background: var(--color-bg-alt); }

.card {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    box-shadow: var(--card-shadow, 0 1px 3px rgba(0,0,0,0.08));
}

.eyebrow {
    font-family: var(--font-subheading, var(--font-heading));
    font-weight: var(--font-subheading-weight, 600);
    color: var(--color-primary);
    text-transform: var(--eyebrow-transform, none);
    letter-spacing: var(--eyebrow-spacing, normal);
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
    display: block;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }

@media (max-width: 800px) {
    .grid-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
}

/* ---------- Catalog ---------- */
.filters { display: flex; gap: 0.75rem; margin-bottom: 2rem; flex-wrap: wrap; }
.filters input, .filters select {
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--border-color, #ddd);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.9rem;
}
.filters button { flex-shrink: 0; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 1.5rem; }

.product-card {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow, 0 1px 3px rgba(0,0,0,0.08));
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover, 0 8px 20px rgba(0,0,0,0.1));
}

.product-card .image {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    background: var(--color-bg-alt);
}

.product-card .body { padding: 1rem 1.1rem; }
.product-card h2 {
    font-size: 1rem;
    margin: 0 0 0.25rem;
    color: var(--color-heading);
    font-family: var(--font-subheading, var(--font-heading));
    font-weight: var(--font-subheading-weight, 600);
}
.product-card p { font-size: 0.82rem; color: var(--color-text-muted); margin: 0; }

.empty-state { padding: 2.5rem; text-align: center; color: var(--color-text-muted); background: var(--color-card-bg); border-radius: var(--radius-lg); }

/* ---------- Product detail ---------- */
.breadcrumb { font-size: 0.85rem; color: var(--color-text-muted); margin-bottom: 1.5rem; }
.breadcrumb a { color: var(--color-primary); text-decoration: none; }

.product-layout { display: grid; grid-template-columns: 340px 1fr; gap: 2.5rem; }
.product-layout img.main-image,
.product-layout .no-image {
    width: 100%;
    border-radius: var(--radius-lg);
    background: var(--color-bg-alt);
    aspect-ratio: 1;
    object-fit: cover;
}
/* Imagen adicional: sin recorte, para que no se corte ningun detalle del
   producto (ej. fotos de kits con varias piezas, mas anchas que altas). */
.product-layout img.detail-image {
    width: 100%;
    max-height: 420px;
    border-radius: var(--radius-lg);
    background: var(--color-bg-alt);
    object-fit: contain;
}
.product-price { font-size: 1.4rem; font-family: var(--font-heading); font-weight: var(--font-heading-weight, 700); color: var(--color-primary); margin: 1rem 0; }
.product-specs { white-space: pre-line; font-size: 0.92rem; color: var(--color-text); background: var(--color-bg-alt); padding: 1rem 1.25rem; border-radius: var(--radius-md); }

@media (max-width: 700px) {
    .product-layout { grid-template-columns: 1fr; }
}

/* ---------- Pedido de producto (ficha) ---------- */
.order-box { margin-top: 2rem; }
.order-details summary {
    list-style: none;
    cursor: pointer;
    display: inline-block;
}
.order-details summary::-webkit-details-marker { display: none; }
.order-details[open] summary { margin-bottom: 1.25rem; }
.order-form {
    max-width: 420px;
    background: var(--color-bg-alt);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
}
.order-form input[readonly] { background: var(--color-card-bg); color: var(--color-text-muted); }

/* ---------- Forms ---------- */
label { display: block; font-size: 0.85rem; color: var(--color-text-muted); margin: 1rem 0 0.3rem; font-family: var(--font-subheading, var(--font-heading)); font-weight: var(--font-subheading-weight, 600); }
label:first-child { margin-top: 0; }
input[type=text], input[type=email], input[type=tel], textarea {
    width: 100%;
    padding: 0.65rem 0.8rem;
    border: 1px solid var(--border-color, #ccc);
    border-radius: var(--radius-md);
    font-family: var(--font-body);
    font-size: 0.95rem;
}
textarea { min-height: 8rem; resize: vertical; }

.alert { padding: 0.7rem 1rem; border-radius: var(--radius-md); font-size: 0.88rem; margin-bottom: 1rem; }
.alert-error { background: #fdecea; color: #a12622; }
.alert-success { background: #eaf7ec; color: #1e7b34; }

.contact-info dt { color: var(--color-text-muted); font-size: 0.8rem; margin-top: 1rem; }
.contact-info dt:first-child { margin-top: 0; }
.contact-info dd { margin: 0.1rem 0 0; font-family: var(--font-subheading, var(--font-heading)); font-weight: var(--font-subheading-weight, 600); }
.contact-info dd a { color: var(--color-primary); text-decoration: none; }

/* ---------- Distributors ---------- */
.distributor-list { display: grid; gap: 1rem; }
.distributor-item {
    background: var(--color-card-bg);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--card-shadow, 0 1px 3px rgba(0,0,0,0.08));
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.distributor-item h2 { margin: 0 0 0.15rem; font-size: 1.05rem; font-family: var(--font-subheading, var(--font-heading)); font-weight: var(--font-subheading-weight, 600); }
.distributor-item .country { color: var(--color-text-muted); font-size: 0.85rem; }
.distributor-item a.map { color: var(--color-primary); font-size: 0.85rem; text-decoration: none; white-space: nowrap; font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    padding: 3rem 0 2rem;
    margin-top: var(--footer-margin-top, 4rem);
}
.site-footer a { color: var(--footer-text); opacity: 0.85; text-decoration: none; }
.site-footer a:hover { opacity: 1; text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr; gap: 2rem; }
.footer-subscribe { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.footer-subscribe input[type=email] {
    flex: 1; min-width: 140px; padding: 0.55rem 0.8rem; border-radius: var(--radius-md);
    border: 1px solid rgba(255,255,255,0.35); background: rgba(255,255,255,0.08); color: inherit; font-family: var(--font-body);
}
.footer-subscribe input[type=email]::placeholder { color: inherit; opacity: 0.7; }
.footer-flash { font-size: 0.82rem; margin: 0 0 0.6rem; opacity: 1 !important; }
.footer-grid h4 {
    font-family: var(--font-subheading, var(--font-heading));
    font-weight: var(--font-subheading-weight, 600);
    font-size: 0.85rem;
    text-transform: var(--eyebrow-transform, none);
    letter-spacing: var(--eyebrow-spacing, normal);
    margin: 0 0 0.9rem;
    opacity: 0.7;
}
.footer-grid ul { list-style: none; margin: 0; padding: 0; }
.footer-grid li { margin-bottom: 0.5rem; font-size: 0.9rem; }
.footer-logo img { height: 32px; margin-bottom: 1rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.15); margin-top: 2.5rem; padding-top: 1.25rem; font-size: 0.8rem; opacity: 0.7; }

@media (max-width: 700px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- Boton flotante de WhatsApp ----------
   Verde oficial de WhatsApp a proposito (no un color de marca): tiene que
   reconocerse al instante como "esto abre WhatsApp" en ambos sitios. */
.whatsapp-float {
    position: fixed;
    right: 1.25rem;
    bottom: 1.25rem;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    z-index: 50;
    transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.07); }

@media (max-width: 640px) {
    .whatsapp-float { right: 1rem; bottom: 1rem; width: 50px; height: 50px; }
}

/* ---------- Pagina "Nosotros" con imagen ---------- */
.about-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    align-items: start;
}
.about-image {
    width: 100%;
    border-radius: var(--radius-lg);
    object-fit: cover;
}

@media (max-width: 800px) {
    .about-layout { grid-template-columns: 1fr; }
    .about-image { max-width: 320px; margin: 0 auto; }
}