/* ============================================================
   BARATÓPTICA — styles.css
   Demo Landing Page 2026
   Fuentes: Barlow Condensed (hero) + Cormorant Garamond (display) + Outfit (UI/cuerpo)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@700;800;900&family=Cormorant+Garamond:wght@600;700;800&family=Outfit:wght@400;500;600;700;900&display=swap');

/* ============================================================
   CUSTOM PROPERTIES
   ============================================================ */
:root {
  --rojo:          #b51f2a;
  --rojo-oscuro:   #7f111c;
  --rojo-claro:    #d4343f;
  --blanco:        #ffffff;
  --fondo-suave:   #f8f4f2;
  --texto-oscuro:  #1f1f1f;
  --texto-medio:   #5a5a5a;
  --borde:         #e8e0dd;
  --whatsapp:      #25d366;
  --whatsapp-hvr:  #1da851;

  --sombra-sm:     0 2px 8px rgba(0,0,0,0.06);
  --sombra:        0 4px 20px rgba(0,0,0,0.08);
  --sombra-rojo:   0 8px 28px rgba(181,31,42,0.18);
  --sombra-wa:     0 6px 20px rgba(37,211,102,0.30);

  --radius:        10px;
  --radius-lg:     16px;
  --radius-pill:   50px;

  --ease:          0.25s ease;
  --ease-spring:   0.35s cubic-bezier(0.34, 1.56, 0.64, 1);

  --font-display:  'Cormorant Garamond', Georgia, serif;
  --font-hero:     'Barlow Condensed', 'Arial Narrow', Impact, sans-serif;
  --font-body:     'Outfit', system-ui, sans-serif;

  --header-h:      72px;
}

/* ============================================================
   RESET
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--texto-oscuro);
  background: var(--blanco);
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, textarea { font-family: inherit; }

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================================
   TIPOGRAFÍA
   ============================================================ */
.display-title {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: var(--header-h);
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.site-header.scrolled {
  border-color: var(--borde);
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}

.header-wrap {
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* --- Logo --- */
.logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.logo-mark {
  background: var(--rojo);
  padding: 9px 14px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  transition: background var(--ease);
}
.logo:hover .logo-mark { background: var(--rojo-oscuro); }
.logo-letras {
  font-family: var(--font-body);
  font-weight: 900;
  font-size: 1.15rem;
  color: var(--blanco);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  line-height: 1;
}
.logo-o {
  position: relative;
  display: inline-block;
}
.logo-o::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110%;
  height: 110%;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.7);
}

/* --- Nav desktop --- */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--texto-oscuro);
  padding: 4px 0;
  position: relative;
  transition: color var(--ease);
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--rojo);
  transition: width var(--ease);
}
.nav-desktop a:hover { color: var(--rojo); }
.nav-desktop a:hover::after { width: 100%; }

/* --- CTA Header --- */
.btn-wa-nav {
  background: var(--whatsapp);
  color: var(--blanco) !important;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.825rem;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: background var(--ease), transform var(--ease), box-shadow var(--ease);
  white-space: nowrap;
  box-shadow: var(--sombra-wa);
  flex-shrink: 0;
}
.btn-wa-nav:hover {
  background: var(--whatsapp-hvr) !important;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(37,211,102,0.35);
}
.btn-wa-nav::after { display: none !important; }

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 6px;
  flex-shrink: 0;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--texto-oscuro);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease), width var(--ease);
  transform-origin: center;
}
.hamburger span:nth-child(3) { width: 70%; }
.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) { width: 100%; transform: translateY(-7px) rotate(-45deg); }

/* --- Nav mobile --- */
.nav-mobile {
  display: none;
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  background: var(--blanco);
  border-bottom: 1px solid var(--borde);
  box-shadow: 0 12px 32px rgba(0,0,0,0.1);
  z-index: 850;
  padding: 12px 24px 20px;
  flex-direction: column;
}
.nav-mobile.open { display: flex; }
.nav-mobile li { border-bottom: 1px solid var(--borde); }
.nav-mobile li:last-child { border-bottom: none; }
.nav-mobile a {
  display: block;
  padding: 14px 0;
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--ease);
}
.nav-mobile a:hover { color: var(--rojo); }
.btn-wa-mobile {
  display: flex !important;
  align-items: center;
  gap: 10px;
  background: var(--whatsapp);
  color: var(--blanco) !important;
  padding: 14px 20px;
  border-radius: var(--radius);
  font-weight: 700 !important;
  margin-top: 12px;
  justify-content: center;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding-top: var(--header-h);
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  background: linear-gradient(150deg, var(--fondo-suave) 0%, #ede7e3 60%, #e6dbd6 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -120px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(181,31,42,0.05) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -80px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(181,31,42,0.04) 0%, transparent 65%);
  pointer-events: none;
}

.hero-grid {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: 52px;
  align-items: center;
  max-width: 1240px;
  margin: 0 auto;
  padding: 70px 24px 60px;
  width: 100%;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(181,31,42,0.09);
  border: 1px solid rgba(181,31,42,0.15);
  color: var(--rojo);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.775rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 22px;
  width: fit-content;
}
.hero-badge-dot {
  width: 7px;
  height: 7px;
  background: var(--rojo);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: var(--font-hero);
  font-size: clamp(2.45rem, 5.4vw, 4.25rem);
  font-weight: 900;
  line-height: 0.94;
  color: var(--texto-oscuro);
  margin-bottom: 22px;
  letter-spacing: 0;
  text-transform: uppercase;
  max-width: 580px;
}
.hero h1 em {
  font-style: normal;
  color: var(--rojo);
  font-weight: 900;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--texto-medio);
  line-height: 1.75;
  margin-bottom: 38px;
  max-width: 460px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Botón WhatsApp principal */
.btn-wa-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--whatsapp);
  color: var(--blanco);
  padding: 15px 30px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  transition: background var(--ease), transform var(--ease-spring), box-shadow var(--ease);
  box-shadow: var(--sombra-wa);
}
.btn-wa-primary:hover {
  background: var(--whatsapp-hvr);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(37,211,102,0.38);
}
.btn-wa-primary:active { transform: translateY(-1px); }

/* Botón secundario */
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--rojo);
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  border: 2px solid var(--rojo);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--ease-spring);
}
.btn-outline:hover {
  background: var(--rojo);
  color: var(--blanco);
  transform: translateY(-2px);
  box-shadow: var(--sombra-rojo);
}

/* --- Hero visual --- */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.hero-visual-inner {
  position: relative;
  width: 100%;
  max-width: 540px;
}

/* Marco decorativo detrás */
.hero-deco-ring {
  position: absolute;
  top: -24px;
  right: -24px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px solid rgba(181,31,42,0.12);
  pointer-events: none;
  animation: spin-slow 18s linear infinite;
}
.hero-deco-ring::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  bottom: 12px;
  border-radius: 50%;
  border: 1px dashed rgba(181,31,42,0.15);
}
@keyframes spin-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Imagen principal del hero */
.hero-img-box {
  /* EDITAR: reemplazar portada si el cliente aprueba una nueva imagen hero */
  background: var(--blanco);
  border-radius: 18px;
  aspect-ratio: 16/9;
  box-shadow: 0 28px 72px rgba(127,17,28,0.22), 0 10px 28px rgba(0,0,0,0.12);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(181,31,42,0.12);
  transform: translateY(0);
  animation: hero-card-in 0.7s ease-out 0.1s both;
  transition: transform var(--ease-spring), box-shadow var(--ease);
}
.hero-img-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(127,17,28,0.08) 0%, rgba(127,17,28,0) 46%);
  pointer-events: none;
  z-index: 1;
}
.hero-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center right;
  transform: scale(1.01);
  transition: transform var(--ease);
}
.hero-img-box:hover {
  transform: translateY(-4px);
  box-shadow: 0 32px 82px rgba(127,17,28,0.25), 0 12px 32px rgba(0,0,0,0.13);
}
.hero-img-box:hover .hero-img {
  transform: scale(1.035);
}
@keyframes hero-card-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Chip flotante sobre el card del hero */
.hero-chip {
  position: absolute;
  bottom: -18px;
  left: 24px;
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 12px 18px;
  box-shadow: var(--sombra);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--texto-oscuro);
  white-space: nowrap;
}
.hero-chip-icon {
  width: 32px;
  height: 32px;
  background: rgba(37,211,102,0.12);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

/* ============================================================
   TRUST STRIP
   ============================================================ */
.trust-strip {
  background: var(--rojo);
  padding: 14px 24px;
}
.trust-strip-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.95);
  font-size: 0.825rem;
  font-weight: 600;
  padding: 6px 24px;
  border-right: 1px solid rgba(255,255,255,0.2);
}
.trust-item:last-child { border-right: none; }
.trust-item-check {
  width: 16px;
  height: 16px;
  background: rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  flex-shrink: 0;
}

/* ============================================================
   SECCIÓN BASE
   ============================================================ */
.section { padding: 88px 0; }
.section-alt { background: var(--fondo-suave); }

.section-head {
  text-align: center;
  margin-bottom: 56px;
}
.section-tag {
  display: inline-block;
  background: rgba(181,31,42,0.08);
  border: 1px solid rgba(181,31,42,0.12);
  color: var(--rojo);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.725rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 700;
  color: var(--texto-oscuro);
  margin-bottom: 14px;
  line-height: 1.15;
}
.section-head p {
  font-size: 1.05rem;
  color: var(--texto-medio);
  max-width: 520px;
  margin: 0 auto;
}
/* Variante para fondo oscuro (promociones) */
.section-head--light .section-tag {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.2);
  color: var(--blanco);
}
.section-head--light h2 { color: var(--blanco); }
.section-head--light p { color: rgba(255,255,255,0.78); }

/* ============================================================
   BENEFICIOS
   ============================================================ */
.beneficios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.beneficio-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--ease-spring), box-shadow var(--ease), border-color var(--ease);
}
.beneficio-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--sombra-rojo);
  border-color: rgba(181,31,42,0.18);
}
.ben-icon-wrap {
  width: 60px;
  height: 60px;
  background: rgba(181,31,42,0.07);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.6rem;
  transition: background var(--ease);
}
.beneficio-card:hover .ben-icon-wrap { background: rgba(181,31,42,0.12); }
.beneficio-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--texto-oscuro);
  margin-bottom: 8px;
}
.beneficio-card p {
  font-size: 0.875rem;
  color: var(--texto-medio);
  line-height: 1.6;
}

/* ============================================================
   SERVICIOS
   ============================================================ */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.servicio-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform var(--ease-spring), box-shadow var(--ease), border-color var(--ease);
  position: relative;
  overflow: hidden;
}
.servicio-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--rojo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}
.servicio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra);
  border-color: rgba(181,31,42,0.15);
}
.servicio-card:hover::before { transform: scaleX(1); }
.svc-icon {
  width: 52px;
  height: 52px;
  background: rgba(181,31,42,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.servicio-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--texto-oscuro);
}
.servicio-card p {
  font-size: 0.875rem;
  color: var(--texto-medio);
  line-height: 1.65;
  flex-grow: 1;
}
.svc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--rojo);
  transition: gap var(--ease);
  margin-top: 6px;
}
.svc-link:hover { gap: 10px; }
.svc-link-arrow { transition: transform var(--ease); }
.svc-link:hover .svc-link-arrow { transform: translateX(3px); }

/* ============================================================
   CATÁLOGO DESTACADO
   ============================================================ */
.catalogo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.prod-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--ease-spring), box-shadow var(--ease);
}
.prod-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.09);
}

.prod-img {
  /* IMAGEN: reemplazar por <img> real cuando esté disponible */
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px;
  position: relative;
  background: linear-gradient(135deg, #f0e8e5 0%, #e8dbd7 100%);
}
.prod-img--azul   { background: linear-gradient(135deg, #e8e4f0 0%, #d8d0e8 100%); }
.prod-img--rojo   { background: linear-gradient(135deg, #f0e8ea 0%, #e8d8db 100%); }
.prod-img--verde  { background: linear-gradient(135deg, #e8f0ea 0%, #d8e8db 100%); }
.prod-img--arena  { background: linear-gradient(135deg, #f0f0e8 0%, #e4e4d4 100%); }
.prod-img--azul2  { background: linear-gradient(135deg, #e8ecf0 0%, #d8e0e8 100%); }

.prod-cat-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--rojo);
  color: var(--blanco);
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.prod-img-icon { font-size: 2.8rem; opacity: 0.45; }
.prod-img-hint { font-size: 0.7rem; color: var(--texto-medio); text-align: center; }

.prod-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 6px;
}
.prod-body h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--texto-oscuro);
}
.prod-body p {
  font-size: 0.825rem;
  color: var(--texto-medio);
  line-height: 1.55;
  flex-grow: 1;
}
.btn-wa-prod {
  display: block;
  text-align: center;
  background: var(--whatsapp);
  color: var(--blanco);
  padding: 10px 16px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.825rem;
  margin-top: 10px;
  transition: background var(--ease), transform var(--ease);
}
.btn-wa-prod:hover {
  background: var(--whatsapp-hvr);
  transform: translateY(-1px);
}

.catalogo-footer {
  text-align: center;
  margin-top: 48px;
}
.catalogo-footer p {
  font-size: 0.9rem;
  color: var(--texto-medio);
  margin-bottom: 18px;
}

/* ============================================================
   PROMOCIONES
   ============================================================ */
.section-promos {
  background: linear-gradient(135deg, var(--rojo-oscuro) 0%, var(--rojo) 60%, #cc2d38 100%);
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}
.section-promos::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  pointer-events: none;
}
.section-promos::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(0,0,0,0.06);
  pointer-events: none;
}

.promos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  position: relative;
  z-index: 1;
}
.promo-card {
  background: rgba(255,255,255,0.10);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  text-align: center;
  transition: background var(--ease), transform var(--ease-spring);
  backdrop-filter: blur(4px);
}
.promo-card:hover {
  background: rgba(255,255,255,0.16);
  transform: translateY(-5px);
}
.promo-icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 14px;
}
.promo-badge {
  display: inline-block;
  background: rgba(255,255,255,0.18);
  color: var(--blanco);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.promo-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blanco);
  margin-bottom: 10px;
  line-height: 1.35;
}
.promo-card p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.65;
  margin-bottom: 22px;
}
.btn-wa-promo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blanco);
  color: var(--rojo);
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.825rem;
  transition: all var(--ease-spring);
}
.btn-wa-promo:hover {
  background: var(--fondo-suave);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0,0,0,0.15);
}

/* ============================================================
   CONFIANZA
   ============================================================ */
.confianza-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.confianza-item {
  text-align: center;
  padding: 36px 20px;
  border-radius: var(--radius-lg);
  transition: background var(--ease);
}
.confianza-item:hover { background: var(--blanco); }
.con-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 14px;
}
.confianza-item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--texto-oscuro);
  margin-bottom: 8px;
}
.confianza-item p {
  font-size: 0.85rem;
  color: var(--texto-medio);
  line-height: 1.6;
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.contacto-info h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--texto-oscuro);
  margin-bottom: 14px;
  line-height: 1.15;
}
.contacto-info > p {
  font-size: 1rem;
  color: var(--texto-medio);
  line-height: 1.75;
  margin-bottom: 36px;
}
.datos-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.dato-row {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.dato-icon {
  width: 46px;
  height: 46px;
  background: rgba(181,31,42,0.08);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: background var(--ease);
}
.dato-row:hover .dato-icon { background: rgba(181,31,42,0.14); }
.dato-text strong {
  display: block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--texto-oscuro);
  margin-bottom: 2px;
}
.dato-text span {
  font-size: 0.9rem;
  color: var(--texto-medio);
}

.contacto-cta-box {
  background: var(--fondo-suave);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  padding: 44px 36px;
  text-align: center;
  position: sticky;
  top: calc(var(--header-h) + 20px);
}
.contacto-cta-box h3 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--texto-oscuro);
  margin-bottom: 10px;
}
.contacto-cta-box p {
  font-size: 0.925rem;
  color: var(--texto-medio);
  line-height: 1.7;
  margin-bottom: 28px;
}
.btn-wa-grande {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  background: var(--whatsapp);
  color: var(--blanco);
  padding: 17px 32px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 1rem;
  width: 100%;
  transition: background var(--ease), transform var(--ease-spring), box-shadow var(--ease);
  box-shadow: var(--sombra-wa);
}
.btn-wa-grande:hover {
  background: var(--whatsapp-hvr);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(37,211,102,0.38);
}
.cta-nota {
  font-size: 0.78rem;
  color: var(--texto-medio);
  margin-top: 12px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: #181818;
  color: rgba(255,255,255,0.6);
  padding: 56px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand-text {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 16px;
  max-width: 280px;
}
.footer-col h4 {
  color: rgba(255,255,255,0.88);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 11px;
}
.footer-links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.55);
  transition: color var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover { color: rgba(255,255,255,0.9); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-copy { font-size: 0.8rem; }
.footer-dev { font-size: 0.8rem; color: rgba(255,255,255,0.35); }
.footer-dev a { color: rgba(255,255,255,0.5); font-weight: 600; transition: color var(--ease); }
.footer-dev a:hover { color: rgba(255,255,255,0.85); }

/* ============================================================
   BOTÓN WA FLOTANTE
   ============================================================ */
.wa-fab {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 800;
  width: 58px;
  height: 58px;
  background: var(--whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(37,211,102,0.42);
  transition: transform var(--ease-spring), box-shadow var(--ease);
  text-decoration: none;
}
.wa-fab:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 28px rgba(37,211,102,0.52);
}
.wa-fab-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--whatsapp);
  animation: fab-pulse 2.5s ease-in-out infinite;
  pointer-events: none;
}
@keyframes fab-pulse {
  0%, 100% { transform: scale(1); opacity: 0.6; }
  60% { transform: scale(1.7); opacity: 0; }
}

/* ============================================================
   ANIMACIONES SCROLL
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-up:nth-child(2) { transition-delay: 0.08s; }
.fade-up:nth-child(3) { transition-delay: 0.16s; }
.fade-up:nth-child(4) { transition-delay: 0.24s; }
.fade-up:nth-child(5) { transition-delay: 0.32s; }
.fade-up:nth-child(6) { transition-delay: 0.40s; }

/* ============================================================
   CATÁLOGO PAGE — estilos específicos
   ============================================================ */
.catalogo-page-hero {
  padding-top: var(--header-h);
  padding-bottom: 0;
  background: var(--fondo-suave);
}
.catalogo-hero-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 52px 24px 40px;
}
.catalogo-hero-inner h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--texto-oscuro);
  margin-bottom: 10px;
}
.catalogo-hero-inner p {
  font-size: 1rem;
  color: var(--texto-medio);
}

.cat-aviso {
  background: rgba(181,31,42,0.06);
  border: 1px solid rgba(181,31,42,0.12);
  border-radius: var(--radius);
  padding: 12px 20px;
  font-size: 0.875rem;
  color: var(--rojo);
  font-weight: 500;
  margin-bottom: 36px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.cat-filtros {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.cat-filtro {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--borde);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--texto-medio);
  background: var(--blanco);
  cursor: pointer;
  transition: all var(--ease);
}
.cat-filtro:hover,
.cat-filtro.activo {
  border-color: var(--rojo);
  color: var(--rojo);
  background: rgba(181,31,42,0.05);
}

.catalogo-full-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ============================================================
   RESPONSIVE — 1024px
   ============================================================ */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(320px, 0.95fr); gap: 40px; }
  .hero h1 { font-size: clamp(2.35rem, 5.8vw, 3.75rem); }
  .hero-visual-inner { max-width: 500px; }

  .beneficios-grid  { grid-template-columns: repeat(2, 1fr); }
  .confianza-grid   { grid-template-columns: repeat(2, 1fr); }
  .servicios-grid   { grid-template-columns: repeat(2, 1fr); }
  .catalogo-grid    { grid-template-columns: repeat(2, 1fr); }
  .promos-grid      { grid-template-columns: repeat(2, 1fr); }
  .footer-grid      { grid-template-columns: 1fr 1fr; }
  .catalogo-full-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ============================================================
   RESPONSIVE — 768px
   ============================================================ */
@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .nav-desktop  { display: none; }
  .btn-wa-nav   { display: none; }
  .hamburger    { display: flex; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 44px;
    padding: 44px 24px 56px;
    text-align: center;
  }
  .hero h1 {
    font-size: clamp(2.15rem, 11vw, 3rem);
    line-height: 0.96;
    margin-left: auto;
    margin-right: auto;
  }
  .hero-visual { order: -1; }
  .hero-badge  { margin: 0 auto 22px; }
  .hero-sub    { margin: 0 auto 36px; }
  .hero-ctas   { justify-content: center; }
  .hero-visual-inner { max-width: min(390px, 100%); margin: 0 auto; }
  .hero-chip   { left: 50%; transform: translateX(-50%); }

  .trust-item { padding: 6px 14px; font-size: 0.775rem; }

  .servicios-grid   { grid-template-columns: 1fr; }
  .promos-grid      { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .catalogo-grid    { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; }
  .contacto-grid    { grid-template-columns: 1fr; gap: 40px; }
  .contacto-cta-box { position: static; }
  .footer-grid      { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom    { flex-direction: column; text-align: center; }
  .catalogo-full-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   RESPONSIVE — 480px
   ============================================================ */
@media (max-width: 480px) {
  .section { padding: 64px 0; }
  .section-promos { padding: 64px 0; }

  .hero-grid { padding-left: 18px; padding-right: 18px; }
  .hero h1 { font-size: clamp(2.05rem, 12vw, 2.65rem); }
  .hero-visual-inner { max-width: 100%; }

  .beneficios-grid    { grid-template-columns: 1fr; }
  .confianza-grid     { grid-template-columns: 1fr; }
  .catalogo-full-grid { grid-template-columns: 1fr; }

  .btn-wa-primary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .hero-ctas { flex-direction: column; }

  .trust-strip-inner { gap: 0; flex-direction: column; align-items: flex-start; padding: 0 24px; }
  .trust-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.15); width: 100%; padding: 10px 0; }
  .trust-item:last-child { border-bottom: none; }
}

/* ============================================================
   CHEQUEO BANNER
   ============================================================ */
.chequeo-banner {
  margin-top: 40px;
  background: linear-gradient(135deg, var(--rojo-oscuro) 0%, var(--rojo) 100%);
  border-radius: var(--radius-lg);
  padding: 36px 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.chequeo-banner-left {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
  min-width: 260px;
}
.chequeo-icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}
.chequeo-text h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--blanco);
  margin-bottom: 6px;
}
.chequeo-text p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.55;
}
.chequeo-nota {
  display: block;
  font-size: 0.73rem;
  color: rgba(255,255,255,0.5);
  margin-top: 6px;
  font-style: italic;
}
.btn-wa-chequeo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--blanco);
  color: var(--rojo);
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--ease-spring);
  white-space: nowrap;
  flex-shrink: 0;
}
.btn-wa-chequeo:hover {
  background: var(--fondo-suave);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}

/* ============================================================
   GUÍA DE MARCOS
   ============================================================ */
.guia-marcos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.guia-card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  position: relative;
  overflow: hidden;
  transition: transform var(--ease-spring), box-shadow var(--ease), border-color var(--ease);
}
.guia-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--rojo);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--ease);
}
.guia-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sombra);
  border-color: rgba(181,31,42,0.15);
}
.guia-card:hover::before { transform: scaleX(1); }
.guia-tag {
  display: inline-block;
  background: rgba(181,31,42,0.08);
  color: var(--rojo);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.guia-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--texto-oscuro);
  margin-bottom: 8px;
  line-height: 1.4;
}
.guia-card p {
  font-size: 0.845rem;
  color: var(--texto-medio);
  line-height: 1.65;
}

/* Responsive nuevas secciones */
@media (max-width: 1024px) {
  .guia-marcos-grid   { grid-template-columns: repeat(2, 1fr); }
  .chequeo-banner     { padding: 32px 28px; }
}
@media (max-width: 768px) {
  .guia-marcos-grid   { grid-template-columns: repeat(2, 1fr); }
  .chequeo-banner     { flex-direction: column; padding: 28px 24px; }
  .chequeo-banner-left { flex-direction: column; align-items: flex-start; }
  .btn-wa-chequeo     { width: 100%; justify-content: center; }
}
@media (max-width: 480px) {
  .guia-marcos-grid   { grid-template-columns: 1fr; }
}