/* =========================================================
   Bidet ¡Listo! · Hoja de estilos
   Sistema visual: azul #001F60 · aqua #2EC4C9 · aqua claro #A8E6E8
   fondo #F0FAFB · texto #1B2437
   Montserrat (títulos) · Source Sans 3 (textos)
   ========================================================= */

/* ---------- Tipografías locales ---------- */
@font-face { font-family: "Montserrat"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/montserrat-latin-600-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 700; font-style: normal; font-display: swap; src: url("../fonts/montserrat-latin-700-normal.woff2") format("woff2"); }
@font-face { font-family: "Montserrat"; font-weight: 800; font-style: normal; font-display: swap; src: url("../fonts/montserrat-latin-800-normal.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 400; font-style: normal; font-display: swap; src: url("../fonts/source-sans-3-latin-400-normal.woff2") format("woff2"); }
@font-face { font-family: "Source Sans 3"; font-weight: 600; font-style: normal; font-display: swap; src: url("../fonts/source-sans-3-latin-600-normal.woff2") format("woff2"); }

/* ---------- Variables ---------- */
:root {
  --azul: #001F60;
  --aqua: #2EC4C9;
  --aqua-claro: #A8E6E8;
  --fondo: #F0FAFB;
  --texto: #1B2437;
  --blanco: #FFFFFF;
  --verde-wa: #25D366;

  --f-titulo: "Montserrat", "Segoe UI", Arial, sans-serif;
  --f-texto: "Source Sans 3", "Segoe UI", Arial, sans-serif;

  --radio-sm: 12px;
  --radio: 20px;
  --pill: 999px;

  --header-h: 104px;
  --header-h-scroll: 80px;
  --contenido: 1200px;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h-scroll) + 8px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }
body { margin: 0; font-family: var(--f-texto); font-size: 18px; line-height: 1.6; color: var(--texto); background: var(--blanco); }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--azul); }
h1, h2, h3 { font-family: var(--f-titulo); color: var(--azul); margin: 0; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
dl, dd { margin: 0; }
svg { width: 1em; height: 1em; fill: currentColor; flex: none; }
:focus-visible { outline: 3px solid var(--aqua); outline-offset: 3px; border-radius: 4px; }

.container { width: min(var(--contenido), 100% - 40px); margin-inline: auto; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--azul); color: var(--blanco); padding: 12px 20px; border-radius: var(--radio-sm); font-weight: 600; transition: top .2s; }
.skip-link:focus { top: 16px; }

/* ---------- Textos comunes ---------- */
.eyebrow { font-family: var(--f-titulo); font-weight: 700; font-size: 15px; letter-spacing: .04em; text-transform: uppercase; color: var(--azul); margin-bottom: 4px; }
.section-title { font-weight: 800; font-size: 40px; line-height: 1.15; }
.rule { display: block; width: 96px; height: 4px; border-radius: 2px; background: var(--aqua); margin: 16px 0 32px; }
.section { padding: 96px 0; }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 10px 24px; border-radius: var(--pill); font-family: var(--f-titulo); font-weight: 600; font-size: 16px; line-height: 1.2; text-decoration: none; text-align: center; border: 2px solid transparent; transition: background-color .2s, color .2s, transform .2s, box-shadow .2s; }
.btn:hover, .btn:focus-visible { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 31, 96, .22); }
.btn:active { transform: translateY(0); box-shadow: none; }
.btn-aqua { background: var(--aqua); color: var(--azul); }
.btn-aqua:hover, .btn-aqua:focus-visible { background: #1FA6AB; color: var(--azul); }
.btn-navy { background: var(--azul); color: var(--blanco); }
.btn-navy:hover, .btn-navy:focus-visible { background: #16449E; color: var(--blanco); }
.btn-outline { background: rgba(255,255,255,.85); color: var(--azul); border-color: var(--azul); }
.btn-outline:hover, .btn-outline:focus-visible { background: var(--azul); color: var(--blanco); }

/* ---------- Header fijo ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: var(--blanco); border-bottom: 1px solid var(--aqua-claro); transition: box-shadow .25s; }
.site-header.is-scrolled { box-shadow: 0 2px 12px rgba(0, 31, 96, .08); }
.header-inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; transition: height .25s; }
.is-scrolled .header-inner { height: var(--header-h-scroll); }
.brand img { height: 72px; width: auto; transition: height .25s; }
.is-scrolled .brand img { height: 48px; }

.main-nav { display: flex; align-items: center; gap: 40px; }
.main-nav ul { display: flex; align-items: center; gap: 32px; }
.main-nav ul a { position: relative; display: inline-block; padding: 12px 0; font-family: var(--f-titulo); font-weight: 600; font-size: 16px; color: var(--azul); text-decoration: none; white-space: nowrap; }
.main-nav ul a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 3px; border-radius: 2px; background: var(--aqua); transform: scaleX(0); transition: transform .25s; }
.main-nav ul a:hover::after, .main-nav ul a.is-active::after { transform: scaleX(1); }

.menu-toggle { display: none; align-items: center; gap: 8px; height: 48px; padding: 0 14px; border: 2px solid var(--azul); border-radius: var(--radio-sm); background: var(--blanco); color: var(--azul); font-family: var(--f-titulo); font-weight: 700; font-size: 16px; cursor: pointer; }
.menu-toggle svg { font-size: 24px; }
.menu-toggle .icon-close { display: none; }
.menu-toggle[aria-expanded="true"] .icon-open { display: none; }
.menu-toggle[aria-expanded="true"] .icon-close { display: block; }

/* ---------- Banner / slider ---------- */
.hero { position: relative; overflow: hidden; background: var(--fondo); }
.hero-track { display: flex; transition: transform .7s cubic-bezier(.65, 0, .35, 1); will-change: transform; }
.slide { position: relative; flex: 0 0 100%; min-height: 600px; display: flex; align-items: center; }
.slide-media { position: absolute; inset: 0; }
.slide-media img { width: 100%; height: 100%; object-fit: cover; }
.slide-media .pos-1 { object-position: 72% 50%; }
.slide-media .pos-2 { object-position: 70% 50%; }
.slide-media .pos-3 { object-position: 55% 50%; }
.slide-body { position: relative; z-index: 1; padding: 72px 0 112px; }
.slide-content { max-width: 560px; display: flex; flex-direction: column; gap: 16px; }
.hero-title { font-family: var(--f-titulo); font-weight: 800; font-size: 52px; line-height: 1.12; }
.hero-text { font-size: 21px; line-height: 1.45; max-width: 480px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 16px; }
.hero-actions .btn { min-height: 48px; font-size: 17px; }

.slide-light .eyebrow, .slide-light .hero-title, .slide-light .hero-text { color: var(--azul); }
.slide-light .hero-text { color: var(--texto); }
.slide-light .hl { color: var(--aqua); }
.slide-dark .eyebrow, .slide-dark .hero-title { color: var(--blanco); }
.slide-dark .hl { color: var(--aqua); white-space: nowrap; }
.slide-dark .slide-content { max-width: 460px; }
.slide-dark .hero-text { color: var(--aqua); }
.slide-dark .hero-text strong { color: var(--aqua); }

.hero-arrow { position: absolute; top: 300px; transform: translateY(-50%); z-index: 3; width: 48px; height: 48px; border-radius: 50%; border: 0; background: rgba(255,255,255,.92); color: var(--azul); display: flex; align-items: center; justify-content: center; cursor: pointer; box-shadow: 0 2px 8px rgba(0,31,96,.12); transition: background-color .2s; }
.hero-arrow:hover { background: var(--blanco); }
.hero-arrow svg { font-size: 28px; }
.hero-prev { left: 36px; }
.hero-next { right: 36px; }
.hero-dots-wrap { position: absolute; left: 0; right: 0; bottom: 48px; z-index: 3; }
.hero-dots { display: flex; gap: 10px; }
.hero-dots button { width: 16px; height: 16px; padding: 0; border-radius: 50%; border: 2px solid var(--aqua); background: rgba(255,255,255,.6); cursor: pointer; transition: background-color .2s; }
.hero-dots button.is-active { background: var(--aqua); }
/* área táctil más grande para los puntos */
.hero-dots button { position: relative; }
.hero-dots button::before { content: ""; position: absolute; inset: -14px; }

/* ---------- Destacados ---------- */
.features { background: var(--aqua); padding: 80px 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.card { background: var(--blanco); border-radius: var(--radio); padding: 32px; }
.feature { display: flex; flex-direction: column; gap: 12px; }
.feature::after, .step::after { content: ""; display: block; width: 64px; height: 3px; border-radius: 2px; background: var(--aqua); margin-top: 8px; }
.icon-circle { width: 64px; height: 64px; border-radius: 50%; background: var(--aqua-claro); color: var(--azul); display: flex; align-items: center; justify-content: center; margin-bottom: 12px; }
.icon-circle svg { font-size: 34px; }
.feature h3, .step h3 { font-weight: 700; font-size: 24px; line-height: 1.25; }

/* ---------- Dos columnas ---------- */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 104px; align-items: center; }
.split-top { align-items: start; }

/* ---------- Quiénes somos ---------- */
.about-media img { width: 100%; aspect-ratio: 588 / 540; object-fit: cover; border-radius: var(--radio); }
.about-text p:not(.eyebrow) + p { margin-top: 24px; }

/* ---------- Por qué elegirnos ---------- */
.why { background: var(--azul); padding: 96px 0; }
.why .section-title { color: var(--blanco); margin-bottom: 48px; }
.why-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 32px; }
.why-grid li { border-top: 3px solid var(--aqua); padding-top: 24px; }
.why-grid h3 { font-weight: 700; font-size: 22px; line-height: 1.25; color: var(--aqua-claro); margin-bottom: 8px; }
.why-grid p { color: var(--blanco); }

/* ---------- Producto ---------- */
.product .split { align-items: center; }
.product-list { display: flex; flex-direction: column; gap: 28px; }
.product-list dt { font-family: var(--f-titulo); font-weight: 700; font-size: 24px; line-height: 1.25; color: var(--azul); margin-bottom: 4px; }
.product-media img { width: 100%; aspect-ratio: 588 / 420; object-fit: cover; }

.specs { margin-top: 88px; background: var(--fondo); border: 1px solid var(--aqua); border-radius: var(--radio); padding: 56px 72px; }
.specs-title { font-weight: 700; font-size: 15px; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 8px; }
.specs-desc { font-weight: 600; }
.specs-grid { display: grid; grid-template-columns: 1.15fr 1fr .9fr; column-gap: 0; margin-top: 40px; border-top: 1px solid var(--aqua-claro); }
.specs-grid > div { padding: 40px 48px 0 0; }
.specs-grid > div:nth-child(n+4) { margin-top: 40px; border-top: 1px solid var(--aqua-claro); }
.specs-grid dt { font-family: var(--f-titulo); font-weight: 700; font-size: 15px; letter-spacing: .08em; text-transform: uppercase; color: var(--azul); margin-bottom: 4px; }
.specs-grid dd { max-width: 260px; }

/* ---------- Instalación ---------- */
.install { background: var(--fondo); }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.step { border: 1px solid var(--aqua); display: flex; flex-direction: column; gap: 8px; }
.step-num { font-family: var(--f-titulo); font-weight: 800; font-size: 44px; line-height: 1; color: var(--azul); margin-bottom: 24px; }

/* ---------- Distribuidores ---------- */
.dealers { background: var(--aqua-claro); padding: 80px 0 96px; }
.dealers-inner { display: flex; align-items: flex-start; justify-content: space-between; gap: 32px; }
.dealers .rule { margin-bottom: 24px; }
.dealers .btn { flex: none; margin-top: 28px; }

/* ---------- Contacto ---------- */
.contact-text .btn { margin-top: 32px; }
.contact-card { font-style: normal; background: var(--fondo); border: 1px solid var(--aqua); border-radius: var(--radio); padding: 40px; }
.contact-card dl { display: flex; flex-direction: column; gap: 24px; }
.contact-card dt { font-family: var(--f-titulo); font-weight: 700; font-size: 15px; letter-spacing: .08em; text-transform: uppercase; color: var(--azul); margin-bottom: 2px; }
.contact-card dd { font-size: 20px; }
.contact-card dd a { color: var(--texto); }
.contact-card dd a:hover { color: var(--azul); }
.social { display: flex; align-items: center; gap: 16px; padding-top: 4px; }
.social a { display: inline-flex; color: var(--azul); }
.social svg { font-size: 28px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--azul); color: var(--blanco); padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr auto; gap: 40px; align-items: start; }
.footer-brand img { width: 160px; height: auto; }
.footer-nav, .footer-contact ul { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a { font-family: var(--f-titulo); font-weight: 600; font-size: 16px; letter-spacing: .06em; color: var(--blanco); text-decoration: none; }
.footer-nav a:hover { color: var(--aqua-claro); }
.footer-title { font-family: var(--f-titulo); font-weight: 700; font-size: 17px; letter-spacing: .06em; color: var(--aqua-claro); margin-bottom: 12px; }
.footer-contact li, .footer-contact a { font-size: 17px; letter-spacing: .06em; color: var(--blanco); }
.footer-contact a { text-decoration: none; }
.footer-contact a.u { text-decoration: underline; }
.copyright { margin-top: 80px; font-size: 15px; color: var(--aqua-claro); }

/* ---------- Botones flotantes ---------- */
.floating { position: fixed; right: 24px; bottom: 24px; z-index: 60; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.float-wa, .float-up { display: flex; align-items: center; justify-content: center; border-radius: 50%; text-decoration: none; box-shadow: 0 4px 14px rgba(0, 31, 96, .18); transition: transform .2s, opacity .3s, visibility .3s; }
.float-wa { width: 64px; height: 64px; background: var(--verde-wa); color: var(--blanco); border: 3px solid var(--blanco); }
.float-wa svg { font-size: 32px; }
.float-up { width: 48px; height: 48px; background: var(--blanco); color: var(--azul); border: 2px solid var(--azul); opacity: 0; visibility: hidden; }
.float-up svg { font-size: 26px; }
.float-up.is-visible { opacity: 1; visibility: visible; }
.float-wa:hover, .float-up:hover { transform: translateY(-2px); }

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 1180px) {
  .main-nav { gap: 24px; }
  .main-nav ul { gap: 20px; }
  .split { gap: 24px 56px; }
  .why-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 40px; }
  .specs { padding: 48px; }
}

/* Menú desplegable */
@media (max-width: 1060px) {
  :root { --header-h: 80px; --header-h-scroll: 72px; }
  .brand img { height: 56px; }
  .is-scrolled .brand img { height: 48px; }
  .menu-toggle { display: inline-flex; }
  .main-nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 16px; padding: 8px 20px 24px; background: var(--blanco); border-bottom: 1px solid var(--aqua-claro); box-shadow: 0 12px 24px rgba(0, 31, 96, .08); display: none; }
  .main-nav.is-open { display: flex; }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .main-nav ul a { display: block; padding: 14px 0; font-size: 18px; border-bottom: 1px solid var(--fondo); }
  .main-nav ul a::after { left: 0; right: auto; width: 48px; bottom: 6px; }
  .nav-cta { align-self: flex-start; }
}

@media (max-width: 900px) {
  .section { padding: 72px 0; }
  .section-title { font-size: 34px; }
  .features-grid, .steps { grid-template-columns: minmax(0, 1fr); }
  .split { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .split-reverse .product-media { order: -1; }
  .specs-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specs-grid > div:nth-child(n+3) { margin-top: 32px; border-top: 1px solid var(--aqua-claro); }
  .specs-grid > div { padding-top: 32px; }
  .dealers-inner { flex-direction: column; gap: 8px; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }

  /* Banner en celular y tablet: foto arriba, texto abajo sobre color liso */
  .slide { flex-direction: column; align-items: stretch; min-height: 0; }
  .slide-media { position: relative; inset: auto; height: 56vw; max-height: 420px; }
  .slide-body { padding: 32px 0 88px; flex: 1 0 auto; }
  .slide-light { background: var(--fondo); }
  .slide-dark { background: var(--azul); }
  .hero-title { font-size: 38px; }
  .hero-text { font-size: 19px; }
  .hero-arrow { top: min(28vw, 210px); width: 44px; height: 44px; }
  .hero-prev { left: 12px; }
  .hero-next { right: 12px; }
  .hero-dots-wrap { bottom: 36px; }
}

@media (max-width: 600px) {
  body { font-size: 18px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 30px; }
  .rule { margin: 12px 0 24px; width: 72px; }
  .hero-title { font-size: 34px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .features { padding: 56px 0; }
  .feature h3, .step h3, .why-grid h3, .product-list dt { font-size: 20px; }
  .why { padding: 56px 0; }
  .why-grid { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .specs { margin-top: 56px; padding: 32px 24px; }
  .specs-grid { grid-template-columns: minmax(0, 1fr); }
  .specs-grid > div:nth-child(n+2) { margin-top: 24px; border-top: 1px solid var(--aqua-claro); }
  .specs-grid > div { padding-top: 24px; }
  .contact-card { padding: 28px 24px; }
  .dealers { padding: 56px 0 64px; }
  .site-footer { padding: 56px 0 104px; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .copyright { margin-top: 48px; }
  .floating { right: 16px; bottom: 16px; }
}