/* ==========================================================================
   CARDOMAX - HIGH PERFORMANCE LIQUID NUTRITION
   Ultra-Premium Dark Tech Athletic Design System
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
  /* Color Palette */
  --bg-primary: #070709;
  --bg-secondary: #0f1015;
  --bg-tertiary: #16171f;
  --bg-card: rgba(22, 23, 31, 0.75);
  --bg-glass: rgba(18, 19, 26, 0.85);
  --bg-glass-light: rgba(255, 255, 255, 0.05);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(255, 255, 255, 0.2);
  --border-glow: rgba(255, 46, 77, 0.35);

  --text-main: #FFFFFF;
  --text-muted: #9CA3AF;
  --text-dim: #6B7280;

  /* Brand & Category Accents */
  --accent-red: #FF2E4D;
  --accent-red-glow: rgba(255, 46, 77, 0.45);
  --accent-red-subtle: rgba(255, 46, 77, 0.12);

  --accent-blue: #00B4D8;
  --accent-blue-glow: rgba(0, 180, 216, 0.45);
  --accent-blue-subtle: rgba(0, 180, 216, 0.12);

  --accent-orange: #FF7700;
  --accent-orange-glow: rgba(255, 119, 0, 0.45);
  --accent-orange-subtle: rgba(255, 119, 0, 0.12);

  --accent-green: #10B981;
  --accent-green-glow: rgba(16, 185, 129, 0.45);
  
  --gradient-energy: linear-gradient(135deg, #FF2E4D 0%, #D90429 50%, #7209B7 100%);
  --gradient-hydro: linear-gradient(135deg, #00B4D8 0%, #0077B6 50%, #03045E 100%);
  --gradient-immune: linear-gradient(135deg, #FF7700 0%, #E63946 50%, #10B981 100%);
  --gradient-dark: linear-gradient(180deg, rgba(7,7,9,0) 0%, #070709 100%);

  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Elevation & Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.7);
  --shadow-glow-red: 0 0 35px rgba(255, 46, 77, 0.3);
  --shadow-glow-blue: 0 0 35px rgba(0, 180, 216, 0.3);
  --shadow-glow-orange: 0 0 35px rgba(255, 119, 0, 0.3);

  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max: 1280px;
  --nav-height: 80px;
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

img, video {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* --- Utility Typography --- */
.font-display {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

.gradient-text-red {
  background: linear-gradient(135deg, #FFFFFF 30%, #FF2E4D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-blue {
  background: linear-gradient(135deg, #FFFFFF 30%, #00B4D8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-orange {
  background: linear-gradient(135deg, #FFFFFF 30%, #FF8A00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  backdrop-filter: blur(10px);
}

.badge-tag.badge-red {
  background: var(--accent-red-subtle);
  border-color: rgba(255, 46, 77, 0.4);
  color: #FF5A73;
}

.badge-tag.badge-blue {
  background: var(--accent-blue-subtle);
  border-color: rgba(0, 180, 216, 0.4);
  color: #38BDF8;
}

.badge-tag.badge-green {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.4);
  color: #34D399;
}

/* --- Section Headings --- */
.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 4rem auto;
}

.section-header .subtitle {
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-red);
  margin-bottom: 0.75rem;
  display: block;
}

.section-header h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.section-header p {
  font-size: 1.125rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.9rem 2rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-red);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--accent-red-glow);
}

.btn-primary:hover {
  background: #FF1A3D;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 46, 77, 0.6);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: #FFFFFF;
  border: 1px solid var(--border-highlight);
  backdrop-filter: blur(10px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
}

/* ==========================================================================
   1. NAVIGATION
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  background: rgba(7, 7, 9, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-smooth), border-color var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(7, 7, 9, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo-img {
  height: 44px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo-link:hover .brand-logo-img {
  transform: scale(1.05);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  position: relative;
  padding: 0.5rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-red);
  transition: width var(--transition-fast);
}

.nav-link:hover {
  color: #FFFFFF;
}

.nav-link:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  z-index: 1001;
}

.mobile-menu-btn span {
  display: block;
  height: 2px;
  width: 24px;
  background-color: #FFFFFF;
  transition: all var(--transition-fast);
}

/* ==========================================================================
   2. HERO SECTION WITH VIDEO
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.hero-video-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.hero-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.65) contrast(1.15);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: radial-gradient(circle at center, rgba(7, 7, 9, 0.4) 0%, rgba(7, 7, 9, 0.88) 80%, #070709 100%),
              linear-gradient(180deg, rgba(7, 7, 9, 0.4) 0%, rgba(7, 7, 9, 0.95) 100%);
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 960px;
  padding: 4rem 1.5rem 6rem;
}

.hero-badge-container {
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6.5vw, 5.2rem);
  font-weight: 900;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  text-shadow: 0 4px 25px rgba(0, 0, 0, 0.8);
}

.hero-title span {
  display: block;
}

.hero-title .highlight-text {
  background: linear-gradient(135deg, #FFFFFF 20%, #FF2E4D 60%, #FF8A00 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: #E2E8F0;
  max-width: 720px;
  margin: 0 auto 2.5rem auto;
  font-weight: 400;
  line-height: 1.6;
  text-shadow: 0 2px 10px rgba(0,0,0,0.6);
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

.hero-stats-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  max-width: 780px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  background: rgba(18, 19, 26, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  backdrop-filter: blur(16px);
}

.hero-stat-item {
  text-align: center;
}

.hero-stat-item .stat-value {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: #FFFFFF;
  line-height: 1.1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
}

.hero-stat-item .stat-value span {
  color: var(--accent-red);
}

.hero-stat-item .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 0.25rem;
}

/* Video Player Controls */
.video-control-btn {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid var(--border-subtle);
  padding: 0.6rem 1rem;
  border-radius: 9999px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
  backdrop-filter: blur(10px);
  transition: all var(--transition-fast);
}

.video-control-btn:hover {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(0, 0, 0, 0.8);
}

/* ==========================================================================
   3. CLEAN FORMULA TICKER STRIP
   ========================================================================== */
.clean-ticker-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 1.25rem 0;
  overflow: hidden;
  position: relative;
  z-index: 20;
}

.ticker-track {
  display: flex;
  gap: 3rem;
  align-items: center;
  white-space: nowrap;
  animation: tickerSlide 28s linear infinite;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #E2E8F0;
}

.ticker-item svg {
  color: var(--accent-red);
}

@keyframes tickerSlide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ==========================================================================
   4. INNOVATION SECTION: "EL FIN DE LOS POLVOS"
   ========================================================================== */
.innovation-section {
  padding: 7rem 0;
  position: relative;
  background: radial-gradient(circle at 80% 20%, rgba(255, 46, 77, 0.07) 0%, transparent 60%),
              var(--bg-primary);
}

.innovation-hero-banner {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  box-shadow: var(--shadow-lg);
  margin-bottom: 4.5rem;
  position: relative;
  transition: border-color var(--transition-smooth);
}

.innovation-hero-banner:hover {
  border-color: var(--border-highlight);
}

.innovation-hero-banner img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.innovation-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.innovation-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem 2rem;
  backdrop-filter: blur(16px);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.innovation-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background var(--transition-smooth);
}

.innovation-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.18);
  box-shadow: var(--shadow-md);
}

.innovation-card:hover::before {
  background: var(--gradient-energy);
}

.card-icon-box {
  width: 60px;
  height: 60px;
  border-radius: 14px;
  background: rgba(255, 46, 77, 0.1);
  border: 1px solid rgba(255, 46, 77, 0.25);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: transform var(--transition-fast);
}

.innovation-card:hover .card-icon-box {
  transform: scale(1.1);
}

.innovation-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.innovation-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ==========================================================================
   5. CLEAN INGREDIENTS SECTION (8 SELLOS DE PUREZA)
   ========================================================================== */
.clean-ingredients-section {
  padding: 7rem 0;
  background: var(--bg-secondary);
  position: relative;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.clean-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.clean-visual-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.clean-main-img-card {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #000000;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-smooth);
}

.clean-main-img-card:hover {
  transform: scale(1.02);
}

.clean-main-img-card img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.clean-pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  padding: 1.25rem;
  transition: all var(--transition-fast);
}

.pillar-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.pillar-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34D399;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pillar-content h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.2rem;
}

.pillar-content p {
  font-size: 0.825rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* ==========================================================================
   6. INTERACTIVE PRODUCT LINE SHOWCASE
   ========================================================================== */
.products-section {
  padding: 7rem 0;
  background: var(--bg-primary);
  position: relative;
}

/* Product Line Main Tabs */
.product-tabs-wrapper {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 4rem;
  flex-wrap: wrap;
}

.prod-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: all var(--transition-smooth);
}

.prod-tab-btn .tab-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-dim);
  transition: all var(--transition-smooth);
}

.prod-tab-btn:hover {
  color: #FFFFFF;
  border-color: var(--border-highlight);
}

/* Active States */
.prod-tab-btn[data-tab="energy"].active {
  background: rgba(255, 46, 77, 0.12);
  border-color: var(--accent-red);
  color: #FFFFFF;
  box-shadow: 0 0 25px rgba(255, 46, 77, 0.3);
}
.prod-tab-btn[data-tab="energy"].active .tab-dot {
  background: var(--accent-red);
  box-shadow: 0 0 10px var(--accent-red);
}

.prod-tab-btn[data-tab="hydro"].active {
  background: rgba(0, 180, 216, 0.12);
  border-color: var(--accent-blue);
  color: #FFFFFF;
  box-shadow: 0 0 25px rgba(0, 180, 216, 0.3);
}
.prod-tab-btn[data-tab="hydro"].active .tab-dot {
  background: var(--accent-blue);
  box-shadow: 0 0 10px var(--accent-blue);
}

.prod-tab-btn[data-tab="immune"].active {
  background: rgba(255, 119, 0, 0.12);
  border-color: var(--accent-orange);
  color: #FFFFFF;
  box-shadow: 0 0 25px rgba(255, 119, 0, 0.3);
}
.prod-tab-btn[data-tab="immune"].active .tab-dot {
  background: var(--accent-orange);
  box-shadow: 0 0 10px var(--accent-orange);
}

/* Tab Panels */
.product-panel {
  display: none;
  animation: panelFadeIn 0.45s ease forwards;
}

.product-panel.active {
  display: block;
}

@keyframes panelFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Product Hero Layout (Split) */
.product-hero-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 4rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 3.5rem;
  backdrop-filter: blur(20px);
  margin-bottom: 3.5rem;
  position: relative;
  overflow: hidden;
}

.product-img-display {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-img-display img {
  max-height: 480px;
  width: auto;
  object-fit: contain;
  filter: drop-shadow(0 20px 35px rgba(0, 0, 0, 0.8));
  transition: transform var(--transition-smooth);
}

.product-img-display:hover img {
  transform: scale(1.05) translateY(-5px);
}

.product-info-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.product-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  text-transform: uppercase;
}

.product-tagline {
  font-size: 1.25rem;
  color: #E2E8F0;
  font-weight: 500;
}

.product-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-bullet-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1rem;
  color: var(--text-muted);
}

.product-bullet-item strong {
  color: #FFFFFF;
}

.bullet-check-icon {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* Dynamic Category Colors */
.theme-energy .product-title { color: var(--accent-red); }
.theme-energy .bullet-check-icon { color: var(--accent-red); }
.theme-energy .btn-category { background: var(--accent-red); box-shadow: 0 4px 20px var(--accent-red-glow); }
.theme-energy .btn-category:hover { background: #FF1A3D; box-shadow: 0 8px 30px rgba(255, 46, 77, 0.6); }

.theme-hydro .product-title { color: var(--accent-blue); }
.theme-hydro .bullet-check-icon { color: var(--accent-blue); }
.theme-hydro .btn-category { background: var(--accent-blue); box-shadow: 0 4px 20px var(--accent-blue-glow); }
.theme-hydro .btn-category:hover { background: #0096C7; box-shadow: 0 8px 30px rgba(0, 180, 216, 0.6); }

.theme-immune .product-title { color: var(--accent-orange); }
.theme-immune .bullet-check-icon { color: var(--accent-orange); }
.theme-immune .btn-category { background: var(--accent-orange); box-shadow: 0 4px 20px var(--accent-orange-glow); }
.theme-immune .btn-category:hover { background: #E65100; box-shadow: 0 8px 30px rgba(255, 119, 0, 0.6); }

/* Panoramic Action Banners */
.panoramic-banner-wrapper {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  margin-bottom: 3.5rem;
  box-shadow: var(--shadow-md);
}

.panoramic-banner-wrapper img {
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.panoramic-banner-wrapper:hover img {
  transform: scale(1.02);
}

/* Science & Health Two-Column Breakdown */
.science-breakdown-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.science-img-card {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.science-img-card img {
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
}

/* Interactive Flavor Gallery (Energy & Immune) */
.flavor-gallery-section {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 3rem;
  margin-bottom: 3.5rem;
}

.flavor-gallery-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.flavor-gallery-header h4 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.flavor-gallery-header p {
  color: var(--text-muted);
}

.flavor-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.flavor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.5rem 1rem;
  text-align: center;
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.flavor-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: var(--shadow-md);
}

.flavor-card.active {
  border-color: var(--accent-red);
  background: rgba(255, 46, 77, 0.08);
  box-shadow: 0 0 25px rgba(255, 46, 77, 0.25);
}

.flavor-card-img-wrap {
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.flavor-card-img-wrap img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.flavor-card:hover .flavor-card-img-wrap img {
  transform: scale(1.08);
}

.flavor-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: #FFFFFF;
}

.flavor-detail {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ==========================================================================
   7. COMPARISON SECTION: CARDOMAX VS MARCA X
   ========================================================================== */
.comparison-section {
  padding: 7rem 0;
  background: var(--bg-secondary);
  position: relative;
}

.comparison-tabs-nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.comp-tab-btn {
  padding: 0.75rem 1.75rem;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--bg-tertiary);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.comp-tab-btn:hover {
  color: #FFFFFF;
  border-color: var(--border-highlight);
}

.comp-tab-btn.active {
  background: #FFFFFF;
  color: #000000;
  border-color: #FFFFFF;
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.25);
}

.comparison-view-container {
  max-width: 900px;
  margin: 0 auto;
}

.comp-panel {
  display: none;
  animation: panelFadeIn 0.4s ease forwards;
}

.comp-panel.active {
  display: block;
}

.comp-table-card {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #FFFFFF;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-smooth);
}

.comp-table-card:hover {
  transform: scale(1.01);
}

.comp-table-card img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

/* Live Comparison Grid Matrix */
.comparison-matrix {
  margin-top: 4rem;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem;
  backdrop-filter: blur(16px);
}

.matrix-row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr;
  padding: 1.25rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  align-items: center;
}

.matrix-row:last-child {
  border-bottom: none;
}

.matrix-header {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border-highlight);
}

.matrix-header .header-brand {
  color: var(--accent-red);
}

.matrix-feature {
  font-weight: 600;
  font-size: 0.95rem;
}

.matrix-cardomax {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: #34D399;
}

.matrix-others {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* ==========================================================================
   8. HOW TO USE IN 3 STEPS (MODO DE EMPLEO)
   ========================================================================== */
.steps-section {
  padding: 7rem 0;
  background: var(--bg-primary);
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
  position: relative;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 3rem 2rem;
  text-align: center;
  position: relative;
  transition: all var(--transition-smooth);
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-md);
}

.step-number {
  position: absolute;
  top: -1.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-red);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px var(--accent-red-glow);
}

.step-icon-wrap {
  width: 70px;
  height: 70px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1rem auto 1.5rem auto;
  color: #FFFFFF;
}

.step-card h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.step-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   9. TESTIMONIALS / ATHLETIC PERFORMANCE
   ========================================================================== */
.athletes-section {
  padding: 7rem 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}

.stars-rating {
  color: #FBBF24;
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.testimonial-text {
  font-size: 1rem;
  color: #E2E8F0;
  line-height: 1.7;
  margin-bottom: 1.75rem;
  font-style: italic;
}

.athlete-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.athlete-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-energy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1rem;
  color: #FFFFFF;
}

.athlete-meta h5 {
  font-size: 1rem;
  font-weight: 700;
}

.athlete-meta span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ==========================================================================
   10. FAQ ACCORDION SECTION
   ========================================================================== */
.faq-section {
  padding: 7rem 0;
  background: var(--bg-primary);
}

.faq-accordion-wrap {
  max-width: 840px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.faq-item.active {
  border-color: rgba(255, 46, 77, 0.5);
  background: rgba(22, 23, 31, 0.95);
}

.faq-question-btn {
  width: 100%;
  padding: 1.5rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #FFFFFF;
}

.faq-toggle-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-smooth);
  color: var(--accent-red);
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-smooth), padding var(--transition-smooth);
  padding: 0 1.75rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.75rem 1.5rem;
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   11. CONTACT & LEAD GENERATION SECTION
   ========================================================================== */
.contact-section {
  padding: 7rem 0;
  background: radial-gradient(circle at center, rgba(255, 46, 77, 0.08) 0%, transparent 70%),
              var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
}

.contact-box {
  max-width: 800px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 3.5rem;
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.form-control {
  background: rgba(7, 7, 9, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 0.85rem 1.25rem;
  color: #FFFFFF;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-red);
  box-shadow: 0 0 15px rgba(255, 46, 77, 0.3);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

.form-feedback {
  display: none;
  padding: 1rem;
  border-radius: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #34D399;
  font-weight: 600;
  text-align: center;
}

/* ==========================================================================
   12. FOOTER
   ========================================================================== */
.site-footer {
  background: #030304;
  border-top: 1px solid var(--border-subtle);
  padding: 5rem 0 2.5rem 0;
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 1.25rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer-col h5 {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
  color: #FFFFFF;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dim);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ==========================================================================
   13. RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .product-hero-layout {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2.5rem;
  }
  
  .product-bullet-list {
    align-items: flex-start;
    text-align: left;
  }

  .clean-layout-grid {
    grid-template-columns: 1fr;
  }

  .innovation-grid,
  .steps-grid,
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: rgba(7, 7, 9, 0.98);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 2rem;
    gap: 1.5rem;
    transform: translateY(-150%);
    transition: transform var(--transition-smooth);
  }

  .nav-menu.open {
    transform: translateY(0);
  }

  .hero-stats-strip {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .innovation-grid,
  .steps-grid,
  .testimonials-grid,
  .clean-pillars-grid,
  .science-breakdown-grid {
    grid-template-columns: 1fr;
  }

  .matrix-row {
    grid-template-columns: 1.5fr 1fr 1fr;
    font-size: 0.85rem;
  }

  .form-row-2 {
    grid-template-columns: 1fr;
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .contact-box {
    padding: 2rem 1.5rem;
  }

  .video-control-btn {
    bottom: 1rem;
    right: 1rem;
  }
}