/* =========================================
   COMPUMARKET — BASE CSS
   Variables, reset, botones, header, footer, WhatsApp
   Mobile-first
   ========================================= */

:root {
  --color-primary:      #0f182a;
  --color-primary-mid:  #1b2a47;
  --color-accent:       #2563eb;
  --color-accent-dark:  #1d4fc4;
  --color-white:        #ffffff;
  --color-bg:           #f5f7fb;
  --color-text:         #0f182a;
  --color-text-mid:     #374151;
  --color-text-light:   #6b7280;
  --color-border:       #e5e7eb;
  --color-whatsapp:     #25D366;

  --font-main: 'Poppins', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --shadow-sm: 0 1px 4px rgba(15,24,42,0.07);
  --shadow-md: 0 4px 20px rgba(15,24,42,0.09);
  --shadow-lg: 0 12px 48px rgba(15,24,42,0.13);

  --radius-sm: 6px;
  --radius:    12px;
  --radius-lg: 20px;

  --transition: 0.3s ease;
  --transition-fast: 0.15s ease;

  --max-width: 1200px;
  --header-h: 64px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 12px);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-main);
  background: var(--sup-fondo);
  color: var(--cat-texto);
  line-height: 1.6;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: var(--font-main); cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: var(--font-main); }

:focus-visible { outline: 3px solid var(--color-accent); outline-offset: 2px; }

/* ── Utilidades ── */
.visually-hidden { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.container-ancho { max-width: 1360px; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(37,99,235,0.08);
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(1.6rem, 5vw, 2.5rem);
  font-weight: 700;
  color: var(--cat-titulo);
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.02rem;
  color: var(--cat-suave);
  max-width: 560px;
  line-height: 1.7;
}

/* ── Animación al hacer scroll (la activa animaciones.js) ── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.08s; }
.fade-up.delay-2 { transition-delay: 0.16s; }
.fade-up.delay-3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}

/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 13px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
}
.btn svg { width: 18px; height: 18px; fill: currentColor; flex-shrink: 0; }

.btn-primary { background: var(--color-accent); color: var(--color-white); box-shadow: 0 4px 16px rgba(37,99,235,0.32); }
.btn-primary:hover { background: var(--color-accent-dark); box-shadow: 0 6px 24px rgba(37,99,235,0.42); transform: translateY(-2px); }

.btn-outline { border: 2px solid var(--color-white); color: var(--color-white); }
.btn-outline:hover { background: #ffffff; color: #0f182a; transform: translateY(-2px); }

.btn-whatsapp { background: var(--color-whatsapp); color: var(--color-white); box-shadow: 0 4px 16px rgba(37,211,102,0.35); }
.btn-whatsapp:hover { background: #1ebe5d; transform: translateY(-2px); }

/* ── Header ── */
.site-header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  height: var(--header-h);
  background: rgba(15,24,42,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.site-header.scrolled { border-color: rgba(255,255,255,0.12); box-shadow: 0 2px 24px rgba(0,0,0,0.25); }

.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.header-logo { display: flex; align-items: center; flex-shrink: 0; }
.header-logo img { height: 34px; width: auto; }

.header-nav { display: none; align-items: center; gap: 4px; }

.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.82);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 14px; right: 14px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transition: transform var(--transition);
}
.nav-link:hover { color: var(--color-white); background: rgba(255,255,255,0.1); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-link.active { color: var(--color-white); font-weight: 600; }

.nav-cta {
  margin-left: 12px;
  padding: 10px 22px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: 100px;
  box-shadow: 0 3px 12px rgba(37,99,235,0.35);
  transition: var(--transition);
  flex-shrink: 0;
}
.nav-cta:hover { background: var(--color-accent-dark); transform: translateY(-1px); }

/* Carrito en el header */
.header-derecha { display: flex; align-items: center; gap: 4px; }
.carrito-link { position: relative; width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 8px; transition: background var(--transition-fast); }
.carrito-link:hover { background: rgba(255,255,255,0.1); }
.carrito-link svg { width: 24px; height: 24px; fill: none; stroke: #fff; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.carrito-insignia { position: absolute; top: 2px; right: 0; min-width: 20px; height: 20px; padding: 0 5px; border-radius: 100px; background: var(--color-accent); color: #fff; font-size: 0.7rem; font-weight: 700; line-height: 20px; text-align: center; box-shadow: 0 0 0 2px var(--color-primary); }
.carrito-insignia[hidden] { display: none; }
.carrito-aviso { position: fixed; left: 50%; bottom: 96px; transform: translate(-50%, 20px); z-index: 1200; padding: 12px 22px; background: var(--color-primary); color: #fff; font-size: 0.9rem; font-weight: 500; border-radius: 100px; box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: opacity var(--transition), transform var(--transition); max-width: 90vw; text-align: center; }
.carrito-aviso.visible { opacity: 1; transform: translate(-50%, 0); }

/* Hamburguesa (celular y tablet) */
.hamburger { display: flex; flex-direction: column; gap: 5px; padding: 12px; border-radius: 8px; transition: background var(--transition-fast); }
.hamburger:hover { background: rgba(255,255,255,0.1); }
.hamburger span { display: block; width: 24px; height: 2px; background: rgba(255,255,255,0.9); border-radius: 2px; transition: var(--transition); }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav {
  display: flex;
  visibility: hidden;
  position: fixed;
  top: var(--header-h); left: 0;
  width: 100%;
  height: calc(100vh - var(--header-h));
  height: calc(100dvh - var(--header-h));
  background: var(--color-primary);
  z-index: 999;
  flex-direction: column;
  padding: 24px 20px;
  gap: 4px;
  opacity: 0;
  transform: translateY(-12px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  overflow-y: auto;
}
.mobile-nav.open { visibility: visible; opacity: 1; transform: translateY(0); pointer-events: auto; }
.mobile-nav .nav-link { font-size: 1.1rem; padding: 14px 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.mobile-nav .nav-cta { margin: 16px 0 0; text-align: center; display: block; padding: 14px; }

/* ── Footer ── */
.site-footer { background: var(--color-primary); color: rgba(255,255,255,0.85); padding: 56px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 32px; padding-bottom: 40px; }
.footer-brand img { height: 40px; width: auto; margin-bottom: 20px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; margin-bottom: 24px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; transition: var(--transition); }
.footer-social a:hover { background: var(--color-accent); transform: translateY(-2px); }
.footer-social a svg { width: 18px; height: 18px; fill: white; }

.footer-col h4 { font-size: 0.85rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.4); margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { font-size: 0.92rem; color: rgba(255,255,255,0.7); transition: color var(--transition-fast); }
.footer-col ul a:hover { color: var(--color-white); }

.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: rgba(255,255,255,0.7); margin-bottom: 12px; }
.footer-contact-item a:hover { color: var(--color-white); }
.footer-contact-item svg { width: 16px; height: 16px; fill: white; flex-shrink: 0; }

.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 24px 0; text-align: center; }
.footer-bottom p { font-size: 0.83rem; color: rgba(255,255,255,0.4); }

/* ── Botón flotante de WhatsApp ── */
.whatsapp-float { position: fixed; bottom: 20px; right: 20px; z-index: 998; display: flex; align-items: center; gap: 10px; }
.whatsapp-float a {
  display: flex; align-items: center; justify-content: center;
  width: 54px; height: 54px;
  background: var(--color-whatsapp);
  border-radius: 50%;
  box-shadow: 0 6px 24px rgba(37,211,102,0.45);
  transition: var(--transition);
  position: relative;
}
.whatsapp-float a:hover { transform: scale(1.1); box-shadow: 0 8px 32px rgba(37,211,102,0.55); }
.whatsapp-float a::before { content: ''; position: absolute; inset: -4px; border-radius: 50%; background: rgba(37,211,102,0.2); animation: wa-pulse 2s infinite; }
.whatsapp-float svg { width: 30px; height: 30px; fill: white; position: relative; z-index: 1; }
.whatsapp-tooltip {
  display: none;
  background: var(--color-primary);
  color: white;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 100px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(8px);
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: var(--shadow-md);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }
@keyframes wa-pulse { 0% { transform: scale(1); opacity: 0.6; } 70%, 100% { transform: scale(1.4); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .whatsapp-float a::before { animation: none; } }

main { padding-top: var(--header-h); }

/* ── Páginas del catálogo (productos, detalle, carrito): oscuro por defecto, claro opcional ── */
/* Colores de superficie. El sitio es CLARO por defecto; SOLO las páginas del catálogo (productos, detalle, carrito:
   body.pagina-catalogo) son oscuras por defecto y tienen el botón sol/luna para pasar a claro. */
:root {
  color-scheme: light;
  --sup-fondo: #ffffff; --sup-alt: #f5f7fb; --sup-panel: #ffffff;
  --cat-fondo: #f3f6fc; --cat-panel: #ffffff; --cat-hover: #eaf0fb;
  --cat-borde: #d9e0ee; --cat-borde2: #e5eaf4; --cat-borde3: #cbd5e6;
  --cat-texto: #0f182a; --cat-titulo: #0f182a; --cat-texto2: #374151; --cat-suave: #6b7280;
  --cat-enlace: #2563eb; --cat-acento: #2563eb; --cat-acento-t: #1d4fc4; --cat-acento-bg: rgba(37,99,235,0.1); --cat-foco: rgba(37,99,235,0.2);
  --cat-peligro: #dc2626; --cat-sombra: rgba(15,24,42,0.14);
}
html:not([data-tema="claro"]) body.pagina-catalogo {
  color-scheme: dark;
  --sup-fondo: #0b1220; --sup-alt: #0f1a2e; --sup-panel: #131c31;
  --cat-fondo: #0b1220; --cat-panel: #131c31; --cat-hover: #1b2640;
  --cat-borde: #243251; --cat-borde2: #1f2b47; --cat-borde3: #2c3b5f;
  --cat-texto: #e8eefc; --cat-titulo: #ffffff; --cat-texto2: #b9c7e4; --cat-suave: #8fa0c0;
  --cat-enlace: #6ea0ff; --cat-acento: #3b74ff; --cat-acento-t: #9cc0ff; --cat-acento-bg: rgba(37,99,235,0.18); --cat-foco: rgba(59,116,255,0.25);
  --cat-peligro: #f87171; --cat-sombra: rgba(0,0,0,0.45);
}
.pagina-catalogo { background: var(--cat-fondo); }
.pagina-catalogo main { background: var(--cat-fondo); }

/* Botón de tema (solo en páginas del catálogo) */
.tema-btn { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 8px; transition: background var(--transition-fast); }
.tema-btn:hover { background: rgba(255,255,255,0.1); }
.tema-btn svg { width: 22px; height: 22px; fill: none; stroke: #fff; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.tema-btn .icono-sol { display: none; }
html[data-tema="claro"] .tema-btn .icono-sol { display: block; }
html[data-tema="claro"] .tema-btn .icono-luna { display: none; }

.catalogo-ruta { padding: 18px 0 6px; }
.ruta { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 0.85rem; color: var(--cat-suave); }
.ruta a { color: var(--cat-enlace); } .ruta a:hover { text-decoration: underline; }
.ruta b { font-weight: 500; color: var(--cat-texto); }


/* ── Cabecera ── */
.pagina-hero {
  position: relative;
  background:
    radial-gradient(circle at 85% 0%, rgba(37,99,235,0.38), transparent 50%),
    radial-gradient(circle at 5% 100%, rgba(37,99,235,0.16), transparent 45%),
    var(--color-primary);
  color: var(--color-white);
  padding: 48px 0 72px;
  overflow: hidden;
}
.pagina-hero::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent 90%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.6), transparent 90%);
}
.pagina-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.82rem; color: rgba(255,255,255,0.6); margin-bottom: 18px; }
.breadcrumb a:hover { color: var(--color-white); }
.breadcrumb span { color: rgba(255,255,255,0.3); }
.pagina-etiqueta { display: inline-block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase; color: #93b4ff; background: rgba(37,99,235,0.18); border: 1px solid rgba(147,180,255,0.3); padding: 5px 14px; border-radius: 100px; margin-bottom: 16px; }
.pagina-hero h1 { font-size: clamp(1.8rem, 6vw, 2.9rem); font-weight: 800; line-height: 1.15; max-width: 640px; }
.pagina-hero p { margin-top: 14px; color: rgba(255,255,255,0.75); max-width: 520px; line-height: 1.7; }


/* ── Tablet ── */
@media (min-width: 768px) {
  .container { padding: 0 24px; }
  .pagina-hero { padding: 72px 0 96px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { display: flex; justify-content: space-between; text-align: left; }
  .whatsapp-float { bottom: 28px; right: 28px; }
  .whatsapp-float a { width: 60px; height: 60px; }
  .whatsapp-float svg { width: 32px; height: 32px; }
  .whatsapp-tooltip { display: block; }
}

/* ── Laptop / PC ── */
@media (min-width: 1024px) {
  :root { --header-h: 72px; }
  .header-logo img { height: 40px; }
  .header-nav { display: flex; }
  .hamburger, .mobile-nav { display: none; }
  .header-derecha { margin-left: 8px; }
  .site-footer { padding-top: 72px; }
  .footer-grid { grid-template-columns: 1.8fr 1fr 1fr; gap: 56px; }
  .footer-brand { grid-column: auto; }
}