/* =========================================================
   Säntis Distribuidora — hoja de estilos principal
   Paleta: marino #0E2A47, rojo acento #E30613, celeste #EAF4FB,
           verde comodín #4F8A6D, hueso #F7F5F1
   Tipografía: 'Poppins' (display) + 'Inter' (texto)
   ========================================================= */

:root {
    --marino: #0E2A47;
    --marino-oscuro: #081A2E;
    --rojo: #E30613;
    --celeste: #EAF4FB;
    --verde: #3E7C5A;
    --verde-claro: #E8F3EC;
    --hueso: #F7F5F1;
    --blanco: #FFFFFF;
    --texto: #1D2B36;
    --texto-suave: #5B6B78;
    --borde: #E1E7EC;
    --sombra: 0 10px 30px rgba(14, 42, 71, 0.08);
    --sombra-hover: 0 16px 36px rgba(14, 42, 71, 0.14);
    --radio: 14px;
    --max-width: 1220px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--texto);
    background: var(--blanco);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Poppins', 'Inter', sans-serif;
    color: var(--marino);
    margin: 0 0 .5em;
    line-height: 1.2;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--rojo);
    margin-bottom: 14px;
}
.eyebrow::before {
    content: '';
    width: 20px;
    height: 2px;
    background: var(--rojo);
    display: inline-block;
}

/* ---------- Botones ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .95rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
    white-space: nowrap;
}
.btn-primary {
    background: var(--rojo);
    color: var(--blanco);
    box-shadow: 0 8px 20px rgba(227,6,19,.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(227,6,19,.36); }
.btn-outline {
    background: transparent;
    border-color: var(--blanco);
    color: var(--blanco);
}
.btn-outline:hover { background: var(--blanco); color: var(--marino); }
.btn-marino {
    background: var(--marino);
    color: var(--blanco);
}
.btn-marino:hover { transform: translateY(-2px); box-shadow: var(--sombra-hover); }
.btn-sm { padding: 9px 18px; font-size: .85rem; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--borde);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    max-width: var(--max-width);
    margin: 0 auto;
    gap: 24px;
}
.logo img { height: 42px; width: auto; }
.main-nav ul {
    display: flex;
    gap: 32px;
}
.main-nav a {
    font-weight: 600;
    font-size: .92rem;
    letter-spacing: .03em;
    color: var(--marino);
    position: relative;
    padding: 6px 0;
}
.main-nav a::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background: var(--rojo);
    transition: width .2s ease;
}
.main-nav a:hover::after,
.main-nav a.active::after { width: 100%; }
.main-nav a.active { color: var(--rojo); }

.header-cta { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    color: var(--marino);
    cursor: pointer;
}

@media (max-width: 900px) {
    .main-nav {
        position: fixed;
        inset: 70px 0 0 0;
        background: var(--blanco);
        transform: translateX(100%);
        transition: transform .25s ease;
        padding: 30px 24px;
        overflow-y: auto;
    }
    .main-nav.open { transform: translateX(0); }
    .main-nav ul { flex-direction: column; gap: 22px; font-size: 1.1rem; }
    .nav-toggle { display: block; }
    .header-cta .btn span.btn-text-full { display: none; }
}

/* ---------- Hero ---------- */
.hero {
    position: relative;
    background: linear-gradient(120deg, var(--marino-oscuro) 0%, var(--marino) 60%, #163b5f 100%);
    color: var(--blanco);
    overflow: hidden;
    padding: 76px 0 60px;
}
.hero::before {
    content: '';
    position: absolute;
    top: -40%; right: -10%;
    width: 620px; height: 620px;
    background: radial-gradient(circle, rgba(227,6,19,.20) 0%, transparent 70%);
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: 40px;
    position: relative;
    z-index: 2;
}
.hero-copy .eyebrow { color: #FF8A8A; }
.hero-copy .eyebrow::before { background: #FF8A8A; }
.hero h1 {
    color: var(--blanco);
    font-size: clamp(2.1rem, 4vw, 3.1rem);
    font-weight: 700;
    max-width: 620px;
}
.hero p.lead {
    color: #C9D6E3;
    font-size: 1.08rem;
    max-width: 520px;
    margin-bottom: 30px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 34px; }
.hero-stats {
    display: flex;
    gap: 34px;
    flex-wrap: wrap;
}
.hero-stats div strong {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 1.6rem;
    color: var(--blanco);
}
.hero-stats div span {
    font-size: .82rem;
    color: #9FB3C4;
}
.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}
.hero-visual img {
    max-width: 100%;
    border-radius: 20px;
}
.hero-badge {
    position: absolute;
    bottom: -18px;
    left: -10px;
    background: var(--blanco);
    color: var(--marino);
    padding: 14px 20px;
    border-radius: 14px;
    box-shadow: var(--sombra);
    font-size: .82rem;
    font-weight: 600;
    max-width: 220px;
}

@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; }
    .hero-visual { order: -1; margin-bottom: 10px; }
    .hero-badge { display: none; }
}

/* ---------- Franja marcas ---------- */
.marcas-strip {
    background: var(--hueso);
    padding: 26px 0;
    border-bottom: 1px solid var(--borde);
}
.marcas-strip .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 56px;
    flex-wrap: wrap;
}
.marcas-strip img { height: 30px; width: auto; opacity: .85; filter: grayscale(15%); }
.marcas-strip span.label {
    font-size: .75rem;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--texto-suave);
    font-weight: 700;
}

/* ---------- Secciones generales ---------- */
.section { padding: 84px 0; }
.section-tight { padding: 56px 0; }
.section-header {
    max-width: 640px;
    margin-bottom: 44px;
}
.section-header.center { margin-left: auto; margin-right: auto; text-align: center; }
.bg-hueso { background: var(--hueso); }
.bg-marino { background: var(--marino); color: var(--blanco); }
.bg-marino h2, .bg-marino h3 { color: var(--blanco); }

/* ---------- Cards de categoría ---------- */
.categorias-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
}
.categoria-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radio);
    overflow: hidden;
    background: var(--blanco);
    border: 1px solid var(--borde);
    box-shadow: var(--sombra);
    transition: transform .25s ease, box-shadow .25s ease;
}
.categoria-card:hover { transform: translateY(-6px); box-shadow: var(--sombra-hover); }
.categoria-media {
    background: var(--celeste);
    min-height: 230px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.categoria-media img {
    max-height: 210px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 14px 18px rgba(14,42,71,.14));
}
.categoria-content {
    padding: 26px 26px 28px;
}
.categoria-content h3 { font-size: 1.28rem; }
.categoria-content p { color: var(--texto-suave); font-size: .92rem; margin-bottom: 18px; }

@media (max-width: 900px) {
    .categorias-grid { grid-template-columns: 1fr; }
}

/* ---------- Grid de productos ---------- */
.productos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 24px;
}
.producto-card {
    background: var(--blanco);
    border: 1px solid var(--borde);
    border-radius: var(--radio);
    padding: 18px;
    display: flex;
    flex-direction: column;
    transition: transform .2s ease, box-shadow .2s ease;
}
.producto-card:hover { transform: translateY(-4px); box-shadow: var(--sombra); }
.producto-imagen {
    background: var(--hueso);
    border-radius: 10px;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    margin-bottom: 16px;
    position: relative;
}
.producto-imagen img {
    max-height: 88%;
    max-width: 88%;
    object-fit: contain;
    transition: transform .25s ease;
}
.producto-card:hover .producto-imagen img { transform: scale(1.05); }
.producto-marca {
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--rojo);
    margin-bottom: 6px;
}
.producto-nombre {
    font-size: .98rem;
    font-weight: 600;
    color: var(--marino);
    margin-bottom: 6px;
    flex-grow: 1;
}
.producto-detalle {
    font-size: .82rem;
    color: var(--texto-suave);
    margin-bottom: 14px;
}
.producto-precio {
    font-family: 'Poppins', sans-serif;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--marino);
    margin-bottom: 14px;
}
.producto-precio.sin-precio {
    font-size: .85rem;
    font-weight: 600;
    color: var(--texto-suave);
    font-family: 'Inter', sans-serif;
}

/* ---------- Beneficios / features ---------- */
.beneficios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
}
.beneficio-card {
    text-align: center;
    padding: 30px 20px;
}
.beneficio-icono {
    width: 58px; height: 58px;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--celeste);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem;
    color: var(--marino);
}
.beneficio-card h4 { font-size: 1.02rem; margin-bottom: 8px; }
.beneficio-card p { font-size: .88rem; color: var(--texto-suave); margin: 0; }

@media (max-width: 900px) {
    .beneficios-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Franja CTA ---------- */
.cta-banda {
    background: linear-gradient(120deg, var(--marino-oscuro), var(--marino));
    color: var(--blanco);
    border-radius: 22px;
    padding: 54px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    flex-wrap: wrap;
}
.cta-banda h2 { color: var(--blanco); margin-bottom: 8px; }
.cta-banda p { color: #C9D6E3; margin: 0; max-width: 440px; }

/* ---------- Filtros de categoría (páginas de listado) ---------- */
.filtros-marca {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 36px;
}
.filtro-btn {
    padding: 9px 20px;
    border-radius: 999px;
    border: 1px solid var(--borde);
    background: var(--blanco);
    font-size: .85rem;
    font-weight: 600;
    color: var(--texto-suave);
    cursor: pointer;
    transition: all .15s ease;
}
.filtro-btn:hover { border-color: var(--marino); color: var(--marino); }
.filtro-btn.active { background: var(--marino); color: var(--blanco); border-color: var(--marino); }

/* ---------- Banner de categoría ---------- */
.categoria-banner {
    position: relative;
    min-height: 280px;
    display: flex;
    align-items: center;
    color: var(--blanco);
    overflow: hidden;
    background: linear-gradient(120deg, var(--marino-oscuro) 0%, var(--marino) 65%, #163b5f 100%);
}
.categoria-banner::before {
    content: '';
    position: absolute;
    top: -30%; right: -8%;
    width: 460px; height: 460px;
    background: radial-gradient(circle, rgba(227,6,19,.18) 0%, transparent 70%);
    pointer-events: none;
}
.categoria-banner .container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.3fr .7fr;
    align-items: center;
    gap: 30px;
}
.categoria-banner h1 { color: var(--blanco); margin-bottom: 10px; }
.categoria-banner p { color: #D7E2EC; max-width: 460px; }
.categoria-banner-visual {
    display: flex;
    justify-content: center;
}
.categoria-banner-visual img {
    max-height: 230px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,.32));
}
@media (max-width: 800px) {
    .categoria-banner .container { grid-template-columns: 1fr; text-align: center; }
    .categoria-banner p { margin-left: auto; margin-right: auto; }
    .categoria-banner-visual { order: -1; }
    .categoria-banner-visual img { max-height: 160px; }
}
.breadcrumb {
    font-size: .82rem;
    color: #B9C8D6;
    margin-bottom: 16px;
}
.breadcrumb a { color: var(--blanco); font-weight: 600; }
.breadcrumb a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */
.site-footer {
    background: var(--marino-oscuro);
    color: #B9C8D6;
    padding: 60px 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-logo img { height: 40px; margin-bottom: 16px; }
.footer-grid p { font-size: .88rem; line-height: 1.6; color: #93A7B9; }
.footer-col h5 {
    color: var(--blanco);
    font-family: 'Poppins', sans-serif;
    font-size: .92rem;
    letter-spacing: .04em;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col a {
    font-size: .9rem;
    color: #B9C8D6;
    transition: color .15s ease;
}
.footer-col a:hover { color: var(--blanco); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 22px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: .8rem;
    color: #7C90A2;
}
.footer-bottom a { color: #7C90A2; }
.footer-bottom a:hover { color: var(--blanco); }

@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .footer-grid { grid-template-columns: 1fr; }
}

/* ---------- WhatsApp flotante ---------- */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    background: #25D366;
    width: 58px; height: 58px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 10px 24px rgba(37,211,102,.4);
    transition: transform .2s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float svg { width: 30px; height: 30px; fill: var(--blanco); }

/* ---------- Utilidades responsive ---------- */
@media (max-width: 700px) {
    .section { padding: 56px 0; }
    .beneficios-grid { grid-template-columns: 1fr 1fr; }
    .cta-banda { padding: 36px 26px; text-align: center; justify-content: center; }
    .cta-banda p { margin: 0 auto; }
}