/* ===========================================
   CER.PE — Main Stylesheet
   Framework: Bootstrap 5 + Custom
   Fonts: Inter, Poppins
   =========================================== */

/* ---- CSS Variables ---- */
:root {
  --color-primary: #2563EB;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #EFF6FF;
  --color-secondary: #1e293b;
  --color-accent: #38bdf8;
  --color-success: #22c55e;
  --color-text: #1e293b;
  --color-text-muted: #64748b;
  --color-bg: #ffffff;
  --color-bg-light: #f8fafc;
  --border-radius: 12px;
  --border-radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,.1), 0 2px 4px -1px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,.1), 0 10px 10px -5px rgba(0,0,0,.04);
  --transition: all .3s ease;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Poppins', 'Inter', sans-serif;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-secondary);
}

a { text-decoration: none; color: var(--color-primary); }
a:hover { color: var(--color-primary-dark); }

img { max-width: 100%; height: auto; }

/* ---- Icon Helpers ---- */
.icon-sm { width: 18px; height: 18px; flex-shrink: 0; vertical-align: middle; }
.icon-md { width: 28px; height: 28px; flex-shrink: 0; }
.icon-lg { width: 48px; height: 48px; flex-shrink: 0; }

/* ---- Section Padding ---- */
.section-padding { padding: 80px 0; }
@media (max-width: 768px) { .section-padding { padding: 56px 0; } }

.bg-light-gray { background: var(--color-bg-light); }

/* ---- Section Headers ---- */
.section-tag {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.section-tag--light {
  background: rgba(255,255,255,.15);
  color: #fff;
}
.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.section-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 580px;
  margin: 0 auto;
}

/* ==========================================
   NAVBAR
========================================== */
#mainNavbar {
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px 0;
  box-shadow: 0 1px 0 rgba(0,0,0,.08);
  transition: var(--transition);
}
#mainNavbar.scrolled {
  padding: 8px 0;
  box-shadow: var(--shadow-md);
}

.brand-logo {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-secondary);
  letter-spacing: -.02em;
}
.brand-logo--light { color: #fff; }
.brand-dot { color: var(--color-primary); }

.navbar-nav .nav-link {
  font-weight: 500;
  color: var(--color-text);
  padding: 6px 12px;
  border-radius: 8px;
  transition: var(--transition);
}
.navbar-nav .nav-link:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.navbar-nav .nav-link.active { color: var(--color-primary); font-weight: 600; }

/* ==========================================
   HERO / SLIDER
========================================== */
.hero-section {
  margin-top: 68px;
  height: 100vh;
  min-height: 580px;
  max-height: 800px;
}

.hero-swiper, .hero-slide { height: 100%; }

.hero-slide {
  position: relative;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 60%, #1d4ed8 100%);
  display: flex;
  align-items: center;
}
.hero-slide--1 { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 50%, #1d4ed8 100%); }
.hero-slide--2 { background: linear-gradient(135deg, #064e3b 0%, #065f46 60%, #047857 100%); }
.hero-slide--3 { background: linear-gradient(135deg, #4c1d95 0%, #5b21b6 60%, #7c3aed 100%); }

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}

.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-title {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
}

.text-accent { color: var(--color-accent); }

.hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.8);
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-actions .btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
  font-weight: 600;
  border-radius: 10px;
}
.hero-actions .btn-outline-light {
  border-radius: 10px;
  font-weight: 600;
}
.hero-actions .btn-outline-light:hover {
  background: rgba(255,255,255,.15);
  color: #fff;
  border-color: rgba(255,255,255,.6);
}

.trust-item {
  color: rgba(255,255,255,.75);
  font-size: .9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}
.trust-item svg { color: var(--color-success); }

/* Hero card */
.hero-card {
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(16px);
  border-radius: var(--border-radius-lg);
  padding: 36px;
  text-align: center;
  color: #fff;
  max-width: 300px;
}
.hero-card__icon { margin-bottom: 16px; }
.cert-illustration { width: 80px; height: 80px; }
.hero-card__label { font-size: .85rem; opacity: .8; margin-bottom: 8px; }
.hero-card__price { font-size: 1.1rem; }
.hero-card__price strong { font-size: 1.5rem; }

/* Swiper overrides */
.hero-swiper .swiper-button-prev,
.hero-swiper .swiper-button-next {
  color: rgba(255,255,255,.7);
  width: 44px;
  height: 44px;
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(8px);
  border-radius: 50%;
  transition: var(--transition);
}
.hero-swiper .swiper-button-prev::after,
.hero-swiper .swiper-button-next::after { font-size: 16px; font-weight: 700; }
.hero-swiper .swiper-button-prev:hover,
.hero-swiper .swiper-button-next:hover { background: rgba(255,255,255,.2); color: #fff; }
.hero-swiper .swiper-pagination-bullet { background: rgba(255,255,255,.5); }
.hero-swiper .swiper-pagination-bullet-active { background: #fff; }

/* ==========================================
   STATS BAR
========================================== */
.stats-bar {
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
}
.stat-item { padding: 8px; }
.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
}
.stat-suffix {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
}
.stat-label {
  font-size: .85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
  margin-bottom: 0;
}

/* ==========================================
   SERVICE CARDS
========================================== */
.service-card {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 28px 24px;
  height: 100%;
  border: 1px solid #e2e8f0;
  transition: var(--transition);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}
.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.bg-blue-light { background: #EFF6FF; color: #2563EB; }
.bg-green-light { background: #F0FDF4; color: #16a34a; }
.bg-purple-light { background: #F5F3FF; color: #7c3aed; }
.bg-orange-light { background: #FFF7ED; color: #ea580c; }
.service-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.service-card__text { color: var(--color-text-muted); font-size: .92rem; margin-bottom: 16px; flex-grow: 1; }
.service-card__link {
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}
.service-card__link:hover { gap: 8px; }

/* ==========================================
   BENEFIT CARDS
========================================== */
.benefit-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--border-radius);
  padding: 24px;
  border: 1px solid #e2e8f0;
  height: 100%;
  transition: var(--transition);
}
.benefit-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.benefit-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.benefit-card__icon--blue   { background: #EFF6FF; color: #2563EB; }
.benefit-card__icon--yellow { background: #FEFCE8; color: #ca8a04; }
.benefit-card__icon--green  { background: #F0FDF4; color: #16a34a; }
.benefit-card__icon--purple { background: #F5F3FF; color: #7c3aed; }
.benefit-card__icon--orange { background: #FFF7ED; color: #ea580c; }
.benefit-card__icon--teal   { background: #F0FDFA; color: #0d9488; }
.benefit-card__title { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
.benefit-card__text { font-size: .9rem; color: var(--color-text-muted); margin-bottom: 0; }

/* ==========================================
   PRODUCT CARD
========================================== */
.product-card {
  background: #fff;
  border: 2px solid var(--color-primary);
  border-radius: var(--border-radius-lg);
  padding: 40px 36px;
  position: relative;
  box-shadow: var(--shadow-xl);
}
.product-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 5px 20px;
  border-radius: 100px;
  white-space: nowrap;
}
.product-card__name {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.product-card__name span { color: var(--color-primary); }
.product-card__price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 28px;
  line-height: 1;
}
.price-currency { font-size: 1.4rem; font-weight: 700; color: var(--color-text-muted); }
.price-amount { font-size: 3.5rem; font-weight: 800; color: var(--color-secondary); font-family: var(--font-display); }
.price-cents { font-size: 1.4rem; font-weight: 700; color: var(--color-secondary); }
.price-igv { font-size: .85rem; color: var(--color-text-muted); margin-left: 6px; }
.product-card__features {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-card__features li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
}
.product-card__note { font-size: .85rem; color: var(--color-text-muted); }

/* Formatos */
.formats-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.formats-subtitle { color: var(--color-text-muted); font-size: .95rem; margin-bottom: 16px; }
.formats-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.format-badge {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1.5px solid #bfdbfe;
  font-size: .85rem;
  font-weight: 700;
  padding: 8px 18px;
  border-radius: 8px;
  font-family: var(--font-display);
  letter-spacing: .03em;
  transition: var(--transition);
}
.format-badge:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.formats-includes { display: flex; flex-direction: column; gap: 12px; }
.formats-include-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
  color: var(--color-text-muted);
}

/* Otros certificados */
.other-certs { display: flex; flex-direction: column; gap: 16px; }
.other-cert-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius);
  padding: 16px 18px;
  transition: var(--transition);
}
.other-cert-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.other-cert-item strong { display: block; font-weight: 700; margin-bottom: 2px; font-size: .95rem; }
.other-cert-item p { color: var(--color-text-muted); font-size: .85rem; margin: 0; }

/* ==========================================
   COMPARISON
========================================== */
.comparison-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  height: 100%;
}
.comparison-card--without {
  border: 2px solid #fca5a5;
  background: #fff5f5;
}
.comparison-card--with {
  border: 2px solid #86efac;
  background: #f0fdf4;
}
.comparison-card__header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1.1rem;
}
.comparison-card--without .comparison-card__header { background: #fee2e2; color: #b91c1c; }
.comparison-card--with .comparison-card__header { background: #dcfce7; color: #15803d; }
.comparison-card ul {
  list-style: none;
  padding: 20px 24px;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.comparison-card--without ul li::before { content: "✗ "; color: #ef4444; font-weight: 700; }
.comparison-card--with ul li::before { content: "✓ "; color: #22c55e; font-weight: 700; }

/* ==========================================
   REFERIDOS - STEPS
========================================== */
.step-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius);
  padding: 32px 24px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.step-card__number {
  width: 52px;
  height: 52px;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-family: var(--font-display);
}
.step-card__title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.step-card__text { color: var(--color-text-muted); font-size: .92rem; margin: 0; }

/* Comisiones */
.commission-cards { display: flex; flex-direction: column; gap: 14px; }
.commission-card {
  background: #fff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--border-radius);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.commission-card--reseller { border-color: var(--color-primary); background: var(--color-primary-light); }
.commission-card__type { font-weight: 600; color: var(--color-text-muted); font-size: .9rem; }
.commission-card__amount { font-size: 1.4rem; font-weight: 800; color: var(--color-secondary); }
.commission-card__amount span { font-size: .85rem; font-weight: 400; color: var(--color-text-muted); }

/* Referral benefits */
.referral-benefits { display: flex; flex-direction: column; gap: 12px; }
.referral-benefit {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .95rem;
}

/* ==========================================
   RESELLER
========================================== */
.reseller-section {
  background: linear-gradient(135deg, #1e3a5f 0%, #2563EB 100%);
  color: #fff;
}
.reseller-section .section-title,
.reseller-section h3 { color: #fff; }
.reseller-section .section-subtitle { color: rgba(255,255,255,.8); }

.reseller-benefits { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; }
.reseller-benefit {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.reseller-benefit__icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,.12);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #fff;
}
.reseller-benefit strong { display: block; color: #fff; font-weight: 700; margin-bottom: 2px; }
.reseller-benefit p { color: rgba(255,255,255,.7); font-size: .88rem; margin: 0; }

.reseller-visual {
  position: relative;
  width: 300px;
  height: 300px;
}
.reseller-visual__card {
  position: absolute;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: .9rem;
  font-weight: 600;
  white-space: nowrap;
  transition: var(--transition);
}
.reseller-visual__card--1 { top: 20px; left: 0; animation: float1 4s ease-in-out infinite; }
.reseller-visual__card--2 { top: 120px; right: 0; animation: float2 4s ease-in-out infinite .5s; }
.reseller-visual__card--3 { bottom: 20px; left: 20px; animation: float1 4s ease-in-out infinite 1s; }
@keyframes float1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes float2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

/* ==========================================
   TESTIMONIALS
========================================== */
.testimonials-swiper { padding-bottom: 48px !important; }
.testimonial-card {
  background: #fff;
  border-radius: var(--border-radius);
  padding: 32px;
  border: 1px solid #e2e8f0;
  height: auto;
  box-shadow: var(--shadow-sm);
}
.testimonial-card__stars {
  color: #f59e0b;
  font-size: 1.1rem;
  letter-spacing: 2px;
  margin-bottom: 16px;
}
.testimonial-card__text {
  color: var(--color-text-muted);
  font-size: .95rem;
  line-height: 1.7;
  margin-bottom: 24px;
  font-style: italic;
}
.testimonial-card__author { display: flex; align-items: center; gap: 14px; }
.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: .85rem;
  flex-shrink: 0;
}
.testimonial-card__author strong { display: block; font-weight: 700; font-size: .95rem; }
.testimonial-card__author span { font-size: .82rem; color: var(--color-text-muted); }

/* ==========================================
   ACCORDION / FAQ
========================================== */
.accordion-item {
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius) !important;
  margin-bottom: 10px;
  overflow: hidden;
}
.accordion-button {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  border-radius: var(--border-radius) !important;
  padding: 20px 24px;
}
.accordion-button:not(.collapsed) {
  background: var(--color-primary-light);
  color: var(--color-primary);
  box-shadow: none;
}
.accordion-button::after {
  filter: none;
}
.accordion-button:not(.collapsed)::after {
  filter: invert(29%) sepia(93%) saturate(500%) hue-rotate(197deg);
}
.accordion-body { color: var(--color-text-muted); padding: 16px 24px 20px; }

/* ==========================================
   CONTACT
========================================== */
.contact-info { display: flex; flex-direction: column; gap: 12px; }
.contact-info-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: .95rem;
}
.contact-info-item a { color: var(--color-text-muted); transition: var(--transition); }
.contact-info-item a:hover { color: var(--color-primary); }

.contact-form-card {
  background: #fff;
  border-radius: var(--border-radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-xl);
  border: 1px solid #e2e8f0;
}
@media (max-width: 576px) { .contact-form-card { padding: 24px 20px; } }

.form-control, .form-select {
  border-radius: 10px;
  border: 1.5px solid #e2e8f0;
  padding: 10px 16px;
  font-size: .95rem;
  transition: var(--transition);
}
.form-control:focus, .form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-label { font-weight: 500; font-size: .9rem; margin-bottom: 6px; }

/* ==========================================
   RECLAMACIONES
========================================== */
.reclamaciones-card {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  background: #fff;
  border: 1.5px solid #fca5a5;
  border-radius: var(--border-radius-lg);
  padding: 36px 40px;
  box-shadow: var(--shadow-md);
}
@media (max-width: 576px) {
  .reclamaciones-card { flex-direction: column; padding: 24px; }
}
.reclamaciones-card__icon {
  color: #dc2626;
  flex-shrink: 0;
}
.reclamaciones-card__content h2 { font-size: 1.4rem; margin-bottom: 8px; }
.reclamaciones-card__content p { color: var(--color-text-muted); font-size: .95rem; margin: 0; }

/* ==========================================
   FOOTER
========================================== */
.footer { background: #0f172a; color: rgba(255,255,255,.75); }
.footer__top { padding: 72px 0 48px; }
.footer__bottom {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: .85rem;
  color: rgba(255,255,255,.45);
}
.footer__desc { font-size: .9rem; color: rgba(255,255,255,.6); line-height: 1.7; margin-bottom: 24px; }
.footer__social { display: flex; gap: 12px; }
.footer__social a {
  width: 38px;
  height: 38px;
  background: rgba(255,255,255,.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.7);
  transition: var(--transition);
}
.footer__social a:hover { background: var(--color-primary); color: #fff; }

.footer__heading {
  color: #fff;
  font-size: .85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: 16px;
}
.footer__links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer__links a, .footer__links span {
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: var(--transition);
}
.footer__links a:hover { color: #fff; }

/* ==========================================
   WHATSAPP FLOAT
========================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  background: #25d366;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: var(--transition);
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 24px rgba(37,211,102,.6);
}
.whatsapp-icon { width: 28px; height: 28px; color: #fff; }
.whatsapp-tooltip {
  position: absolute;
  right: 68px;
  background: #1e293b;
  color: #fff;
  font-size: .8rem;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transform: translateX(8px);
  transition: var(--transition);
}
.whatsapp-float:hover .whatsapp-tooltip { opacity: 1; transform: translateX(0); }
.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -6px;
  transform: translateY(-50%);
  border: 6px solid transparent;
  border-left-color: #1e293b;
  border-right: 0;
}

/* ==========================================
   BUTTONS GLOBAL
========================================== */
.btn {
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: 10px;
  transition: var(--transition);
}
.btn-primary {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37,99,235,.3);
}
.btn-outline-danger:hover { transform: none; }

/* ==========================================
   BLOG — basic styles
========================================== */
.blog-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius);
  overflow: hidden;
  height: 100%;
  transition: var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.blog-card__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: linear-gradient(135deg, var(--color-primary-light), #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
}
.blog-card__body { padding: 24px; }
.blog-card__tag {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 3px 10px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 10px;
}
.blog-card__title { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; }
.blog-card__text { color: var(--color-text-muted); font-size: .9rem; margin-bottom: 16px; }
.blog-card__meta { font-size: .8rem; color: var(--color-text-muted); }

/* ==========================================
   BLOG PAGE — hero
========================================== */
.blog-hero {
  padding: 140px 0 72px;
  background: linear-gradient(135deg, #f0f7ff 0%, #e0ecff 100%);
  text-align: center;
}

/* ==========================================
   LANDING PAGE — Certificado Facturación
========================================== */
.lp-hero {
  padding: 130px 0 72px;
  background: linear-gradient(135deg, #f8fafc 0%, #e0ecff 100%);
}
.lp-hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}
.lp-hero__subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 24px;
}
.lp-hero__price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 8px;
}
.lp-hero__price-label { color: var(--color-text-muted); font-size: .9rem; }
.lp-hero__price-amount {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--color-primary);
  font-family: var(--font-display);
}
.lp-hero__price-igv { font-size: .8rem; color: var(--color-text-muted); }
.lp-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  font-size: .9rem;
  color: var(--color-text-muted);
}
.lp-trust span { display: flex; align-items: center; gap: 6px; }

.lp-cert-visual {
  background: #fff;
  border: 2px solid #bfdbfe;
  border-radius: var(--border-radius-lg);
  padding: 40px 32px;
  text-align: center;
  box-shadow: var(--shadow-xl);
  max-width: 320px;
}
.lp-cert-icon { width: 100px; height: 100px; }
.lp-cert-label {
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-secondary);
  margin-top: 16px;
}
.lp-cert-valid {
  font-size: .85rem;
  color: var(--color-success);
  margin-top: 8px;
  font-weight: 600;
}

.lp-include-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: var(--border-radius);
  padding: 28px 22px;
  height: 100%;
  text-align: center;
  transition: var(--transition);
}
.lp-include-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.lp-include-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.lp-include-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.lp-include-card p { font-size: .9rem; color: var(--color-text-muted); margin: 0; }

/* Breadcrumb */
.breadcrumb { font-size: .85rem; margin-bottom: 12px; }
.breadcrumb-item a { color: var(--color-primary); }

/* ==========================================
   UTILITIES
========================================== */
.text-success { color: var(--color-success) !important; }
.text-primary { color: var(--color-primary) !important; }

/* Back-to-top button */
#backToTop {
  position: fixed;
  bottom: 96px;
  right: 28px;
  z-index: 9998;
  background: #fff;
  border: 1px solid #e2e8f0;
  color: var(--color-primary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: var(--transition);
  cursor: pointer;
}
#backToTop.visible { opacity: 1; pointer-events: all; transform: translateY(0); }
#backToTop:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ==========================================
   RESPONSIVE TWEAKS
========================================== */
@media (max-width: 992px) {
  .hero-section { max-height: 680px; height: auto; min-height: 520px; }
  .hero-title { font-size: clamp(1.7rem, 5vw, 2.5rem); }
}

@media (max-width: 768px) {
  .section-padding { padding: 52px 0; }
  .hero-section { height: auto; max-height: none; min-height: 500px; }
  .hero-slide { padding: 40px 0; }
  .product-card { padding: 28px 20px; }
  .contact-form-card { padding: 28px 20px; }
  .comparison-card ul { padding: 16px 20px; }
  .reseller-visual { display: none; }
}

@media (max-width: 576px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; text-align: center; }
  .stat-number { font-size: 1.5rem; }
  .formats-grid { gap: 8px; }
}