/* ============================================================
   COMECAN PREMIUM DESIGN OVERRIDE v1.0 — April 2026
   ============================================================
   REVERSIBLE: Remove this stylesheet link to revert to original design.
   Based on: Guia Maestra de Diseno Web Premium 2026 (Mercadonet)
   Palette: Azul confianza + Verde salud + Crema + Naranja energia
   Typography: Nunito / Nunito Sans
   ============================================================ */

/* --- CSS Custom Properties (Design Tokens) --- */
:root {
  --cc-primary: #1D4ED8;
  --cc-primary-light: #3B82F6;
  --cc-primary-dark: #1E40AF;
  --cc-accent: #EA580C;
  --cc-accent-light: #FB923C;
  --cc-green: #15803D;
  --cc-green-light: #22C55E;
  --cc-cream: #FEFCE8;
  --cc-warm: #FFFDF5;
  --cc-dark: #1A1A2E;
  --cc-dark-soft: #2D2D44;
  --cc-text: #1F2937;
  --cc-text-muted: #6B7280;
  --cc-border: #E5E7EB;
  --cc-border-accent: rgba(29,78,216,0.15);
  --cc-glass-bg: rgba(26,26,46,0.85);
  --cc-glass-border: rgba(255,255,255,0.1);
  --cc-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --cc-shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --cc-shadow-lg: 0 10px 30px rgba(0,0,0,0.1);
  --cc-shadow-xl: 0 20px 50px rgba(0,0,0,0.12);
  --cc-radius-sm: 0.5rem;
  --cc-radius-md: 0.75rem;
  --cc-radius-lg: 1rem;
  --cc-radius-xl: 1.5rem;
  --cc-radius-full: 9999px;
  --cc-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Typography: Nunito + Nunito Sans --- */
body {
  font-family: 'Nunito Sans', 'Inter', system-ui, -apple-system, sans-serif !important;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  background-color: var(--cc-warm) !important;
  color: var(--cc-text) !important;
}

h1, h2, h3, h4, h5, h6,
.font-extrabold, .font-bold, .font-black {
  font-family: 'Nunito', 'Inter', system-ui, sans-serif !important;
}

/* Body text min 17px per guide */
main p, main li, main td {
  font-size: 1.0625rem;
  line-height: 1.75;
}

/* --- Skip Link (Accessibility WCAG 2.2) --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cc-primary);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: var(--cc-radius-md);
  font-weight: 700;
  font-size: 0.875rem;
  z-index: 9999;
  transition: top 0.2s;
  text-decoration: none;
}
.skip-link:focus {
  top: 0.5rem;
}

/* --- Reading Progress Bar --- */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--cc-primary), var(--cc-accent));
  z-index: 9999;
  transition: width 0.1s linear;
}

/* --- Glassmorphism Sticky Header --- */
header {
  background: var(--cc-glass-bg) !important;
  backdrop-filter: blur(16px) saturate(1.8) !important;
  -webkit-backdrop-filter: blur(16px) saturate(1.8) !important;
  border-bottom: 1px solid var(--cc-glass-border) !important;
  box-shadow: 0 4px 30px rgba(0,0,0,0.15) !important;
}

/* --- Enhanced Focus States (WCAG 2.2) --- */
a:focus-visible, button:focus-visible, input:focus-visible,
select:focus-visible, textarea:focus-visible, [tabindex]:focus-visible {
  outline: 3px solid var(--cc-primary-light) !important;
  outline-offset: 3px !important;
  border-radius: 4px;
}

/* --- Hero Section Premium --- */
section[class*="h-[70vh]"],
section[class*="h-[85vh]"] {
  min-height: 90vh;
}

/* Hero H1 with gradient text */
.hero-gradient-text {
  background: linear-gradient(135deg, #fff 0%, var(--cc-accent-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Trust Badges --- */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 1.5rem;
}
.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 0.5rem 1rem;
  border-radius: var(--cc-radius-full);
  color: #fff;
  font-size: 0.8125rem;
  font-weight: 600;
  transition: var(--cc-transition);
}
.trust-badge:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-1px);
}
.trust-badge i {
  color: var(--cc-accent-light);
}

/* --- Scroll Reveal Animations --- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }
  .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  .reveal-delay-1 { transition-delay: 0.1s; }
  .reveal-delay-2 { transition-delay: 0.2s; }
  .reveal-delay-3 { transition-delay: 0.3s; }
  .reveal-delay-4 { transition-delay: 0.4s; }

  /* Stagger animation for cards */
  .stagger-children > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
  }
  .stagger-children.visible > *:nth-child(1) { transition-delay: 0s; opacity: 1; transform: none; }
  .stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: none; }
  .stagger-children.visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: none; }
  .stagger-children.visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: none; }
  .stagger-children.visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: none; }
  .stagger-children.visible > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: none; }
}

/* --- Premium Card Styles --- */
.premium-card {
  background: #fff;
  border: 1px solid var(--cc-border);
  border-radius: var(--cc-radius-xl);
  padding: 2rem;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}
.premium-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cc-primary), var(--cc-accent));
  opacity: 0;
  transition: opacity 0.3s;
}
.premium-card:hover {
  border-color: var(--cc-border-accent);
  box-shadow: var(--cc-shadow-lg);
  transform: translateY(-4px);
}
.premium-card:hover::before {
  opacity: 1;
}

/* --- Enhanced CTA Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--cc-primary) 0%, var(--cc-primary-dark) 100%);
  color: #fff;
  font-weight: 700;
  padding: 0.875rem 2rem;
  border-radius: var(--cc-radius-full);
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(29,78,216,0.3);
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(29,78,216,0.4);
  background: linear-gradient(135deg, var(--cc-primary-light) 0%, var(--cc-primary) 100%);
}

.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--cc-accent) 0%, #C2410C 100%);
  color: #fff;
  font-weight: 700;
  padding: 0.875rem 2rem;
  border-radius: var(--cc-radius-full);
  font-size: 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(234,88,12,0.3);
  text-decoration: none;
  border: none;
  cursor: pointer;
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(234,88,12,0.4);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: #fff;
  font-weight: 600;
  padding: 0.875rem 2rem;
  border-radius: var(--cc-radius-full);
  border: 2px solid rgba(255,255,255,0.4);
  font-size: 1rem;
  transition: all 0.3s ease;
  text-decoration: none;
  cursor: pointer;
}
.btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: #fff;
  transform: translateY(-2px);
}

/* --- Section Headings Premium --- */
.section-heading {
  text-align: center;
  margin-bottom: 3rem;
}
.section-heading h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  color: var(--cc-text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}
.section-heading p {
  color: var(--cc-text-muted);
  font-size: 1.125rem;
  max-width: 36rem;
  margin: 0 auto;
}
.section-heading .accent-line {
  width: 3rem;
  height: 3px;
  background: linear-gradient(90deg, var(--cc-primary), var(--cc-accent));
  border-radius: 2px;
  margin: 1rem auto 0;
}

/* --- FAQ Premium Accordion --- */
.faq-item {
  border: 1px solid var(--cc-border) !important;
  border-radius: var(--cc-radius-lg) !important;
  background: #fff !important;
  transition: var(--cc-transition);
  overflow: hidden;
}
.faq-item:hover {
  border-color: var(--cc-border-accent) !important;
  box-shadow: var(--cc-shadow-sm);
}
.faq-toggle {
  font-size: 1.0625rem !important;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-answer.open {
  max-height: 300px;
}
.faq-icon {
  transition: transform 0.3s ease !important;
  color: var(--cc-primary) !important;
}
.faq-icon.rotated {
  transform: rotate(180deg);
}

/* --- Footer Premium --- */
footer {
  background: linear-gradient(180deg, var(--cc-dark) 0%, #0F0F1A 100%) !important;
}
footer a:hover {
  color: var(--cc-primary-light) !important;
}

/* --- Newsletter Section Premium --- */
section[class*="from-primary"] {
  background: linear-gradient(135deg, var(--cc-primary-dark) 0%, var(--cc-dark) 50%, var(--cc-accent) 150%) !important;
}

/* --- Product Cards Enhanced --- */
.tab-content.active {
  display: grid !important;
}
.tab-content {
  display: none !important;
}

/* Tab buttons premium */
.tab-btn {
  transition: all 0.3s ease !important;
}
.tab-btn.active {
  background: var(--cc-primary) !important;
  color: #fff !important;
  border-color: var(--cc-primary) !important;
  box-shadow: 0 4px 12px rgba(29,78,216,0.25);
}

/* --- Comparison Table Premium --- */
table thead {
  background: linear-gradient(135deg, var(--cc-dark) 0%, var(--cc-dark-soft) 100%) !important;
}
table th {
  font-weight: 700 !important;
  letter-spacing: 0.03em;
}
table tbody tr {
  transition: background 0.2s ease;
}
table tbody tr:hover {
  background: rgba(29,78,216,0.04) !important;
}

/* --- Scroll-to-Top Premium --- */
#scrollTop {
  background: var(--cc-primary) !important;
  width: 3rem;
  height: 3rem;
  box-shadow: var(--cc-shadow-md);
  transition: all 0.3s ease !important;
}
#scrollTop:hover {
  background: var(--cc-primary-light) !important;
  transform: translateY(-3px);
  box-shadow: var(--cc-shadow-lg);
}

/* --- Responsive Adjustments --- */
@media (max-width: 768px) {
  main p, main li, main td {
    font-size: 1rem;
  }
  .trust-badges {
    flex-direction: column;
    align-items: center;
  }
}

/* --- Dropdown Menus Premium --- */
header .group > div[class*="absolute"] {
  border: 1px solid var(--cc-border) !important;
  box-shadow: var(--cc-shadow-xl) !important;
  border-radius: var(--cc-radius-lg) !important;
}
header .group > div a:hover {
  background: rgba(29,78,216,0.05) !important;
}

/* --- Link Underline Animation --- */
main a:not([class]):not([role]) {
  text-decoration: none;
  background-image: linear-gradient(var(--cc-primary-light), var(--cc-primary-light));
  background-size: 0% 2px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size 0.3s ease;
}
main a:not([class]):not([role]):hover {
  background-size: 100% 2px;
}

/* --- Smooth Scroll --- */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

/* --- Selection Color --- */
::selection {
  background: rgba(29,78,216,0.15);
  color: var(--cc-text);
}

/* --- Categories Cards Color Override --- */
.group[class*="bg-white"]:hover {
  border-color: var(--cc-border-accent) !important;
}

/* --- Prefers Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* --- Print Styles --- */
@media print {
  header, footer, #scrollTop, .reading-progress, .trust-badges,
  .skip-link, .tab-btn, .newsletter-section { display: none !important; }
  body { background: #fff !important; color: #000 !important; font-size: 12pt; }
  a { color: #000 !important; text-decoration: underline; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 0.8em; }
}