/* ==========================================================================
   KRAFTQUELLE MANN / MEN'S POWER - PREMIUM AERO DESIGN SYSTEM
   Inspired by Frutiger Aero, Aqua Gloss, and Glassmorphism
   Compliant with Google Ads, EU GDPR, and Global Web Standards
   ========================================================================== */

:root {
  /* Color Palette */
  --bg-dark-base: #020f20;
  --bg-gradient-start: #03172e;
  --bg-gradient-mid: #062b52;
  --bg-gradient-end: #031427;
  
  --aero-cyan: #00f0ff;
  --aero-cyan-glow: rgba(0, 240, 255, 0.45);
  --aero-blue-bright: #00b4d8;
  --aero-blue-deep: #0077b6;
  --aero-emerald: #10b981;
  --aero-amber: #f59e0b;
  
  /* Glass Surfaces */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-hover: rgba(255, 255, 255, 0.14);
  --glass-border: rgba(255, 255, 255, 0.28);
  --glass-border-highlight: rgba(255, 255, 255, 0.75);
  --glass-deep-bg: rgba(6, 32, 62, 0.65);
  --glass-inner-bevel: inset 0 1px 1px rgba(255, 255, 255, 0.8), inset 0 -1px 2px rgba(0, 0, 0, 0.4);
  --glass-shadow: 0 16px 45px rgba(0, 0, 0, 0.45), 0 0 30px rgba(0, 200, 255, 0.2);
  --glass-glow: 0 0 25px rgba(0, 240, 255, 0.35);
  
  /* Typography */
  --font-main: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --text-white: #ffffff;
  --text-primary: #e6f6ff;
  --text-secondary: #9ec5e6;
  --text-muted: #6b93b8;
  
  /* Transitions */
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-dark-base);
}

body {
  font-family: var(--font-main);
  color: var(--text-primary);
  background: radial-gradient(ellipse 120% 80% at 50% 0%, #0d4b82 0%, #06264c 45%, #020f20 100%);
  background-attachment: fixed;
  line-height: 1.65;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Ambient Aero Ribbons */
.aero-ambient-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.aero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.35;
  animation: floatOrb 20s infinite alternate ease-in-out;
}

.aero-orb-1 {
  width: 600px;
  height: 450px;
  background: radial-gradient(circle, #00f0ff 0%, #0077b6 70%, transparent 100%);
  top: -100px;
  left: 15%;
}

.aero-orb-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, #0284c7 0%, #0c4a6e 70%, transparent 100%);
  top: 45%;
  right: -100px;
  animation-duration: 25s;
}

.aero-orb-3 {
  width: 450px;
  height: 350px;
  background: radial-gradient(circle, #38bdf8 0%, #0369a1 70%, transparent 100%);
  bottom: -50px;
  left: -80px;
  animation-duration: 18s;
}

@keyframes floatOrb {
  0% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(35px) scale(1.08); }
  100% { transform: translateY(-25px) scale(0.96); }
}

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* Links & Buttons */
a {
  color: var(--aero-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #a5f3fc;
  text-shadow: 0 0 10px var(--aero-cyan-glow);
}

/* Glass Panels (Frutiger Aero signature) */
.glass-panel {
  background: var(--glass-deep-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--glass-shadow), var(--glass-inner-bevel);
  position: relative;
  overflow: hidden;
}

.glass-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 48%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.22) 0%, rgba(255, 255, 255, 0.04) 75%, rgba(255, 255, 255, 0) 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 50% 50% / var(--radius-xl) var(--radius-xl) 15% 15%;
  pointer-events: none;
  z-index: 1;
}

.glass-card-subtle {
  background: rgba(8, 38, 70, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.5);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.glass-card-subtle:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 240, 255, 0.5);
  box-shadow: 0 14px 35px rgba(0, 0, 0, 0.45), 0 0 20px rgba(0, 240, 255, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.8);
}

/* Aero Buttons */
.btn-aero-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  font-size: 1rem;
  font-weight: 600;
  color: #02203b;
  background: linear-gradient(180deg, #67e8f9 0%, #00d2f0 48%, #0099cc 52%, #0284c7 100%);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 9999px;
  box-shadow: 0 4px 18px rgba(0, 210, 240, 0.45), inset 0 1px 1px rgba(255, 255, 255, 0.95), inset 0 -2px 3px rgba(0, 0, 0, 0.3);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.btn-aero-primary::before {
  content: '';
  position: absolute;
  top: 1px;
  left: 10%;
  right: 10%;
  height: 45%;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0) 100%);
  border-radius: 9999px;
  pointer-events: none;
}

.btn-aero-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 26px rgba(0, 240, 255, 0.65), 0 0 20px rgba(0, 240, 255, 0.45), inset 0 1px 1px rgba(255, 255, 255, 1);
  color: #011526;
}

.btn-aero-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-white);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.08) 50%, rgba(10, 48, 85, 0.6) 100%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 9999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.6);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-smooth);
}

.btn-aero-secondary:hover {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, rgba(0, 180, 255, 0.25) 50%, rgba(10, 50, 95, 0.8) 100%);
  border-color: var(--aero-cyan);
  box-shadow: 0 6px 20px rgba(0, 200, 255, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.8);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 1000;
  margin-bottom: 24px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 28px;
  border-radius: 9999px;
  background: rgba(5, 26, 52, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4), 0 0 20px rgba(0, 200, 255, 0.15), inset 0 1px 1px rgba(255, 255, 255, 0.7);
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo-icon-wrap {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f0ff 0%, #0284c7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.6), inset 0 1px 1px rgba(255, 255, 255, 0.9);
  color: #021a32;
  font-size: 1.25rem;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: #ffffff;
  text-transform: uppercase;
  text-shadow: 0 0 12px rgba(0, 240, 255, 0.4);
}

.logo-sub {
  font-size: 0.68rem;
  letter-spacing: 2px;
  color: var(--aero-cyan);
  text-transform: uppercase;
  font-weight: 600;
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 9999px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(0, 240, 255, 0.3);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

.nav-link.active {
  background: linear-gradient(180deg, rgba(0, 240, 255, 0.3) 0%, rgba(0, 150, 220, 0.45) 100%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 200, 255, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.8);
  font-weight: 600;
}

.header-action {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 6px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 30px 0 60px 0;
}

.hero-glass-box {
  padding: 48px;
  margin-bottom: 30px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 9999px;
  background: rgba(0, 240, 255, 0.15);
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--aero-cyan);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.15;
  color: #ffffff;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0, 180, 255, 0.35);
}

.hero-title span {
  background: linear-gradient(135deg, #ffffff 0%, #00f0ff 50%, #38bdf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

.hero-features-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 34px;
}

.hero-feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.hero-feature-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.2);
  border: 1px solid var(--aero-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--aero-cyan);
  font-size: 0.75rem;
  flex-shrink: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}

/* Product Showcase Frame */
.product-showcase-frame {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.2) 0%, rgba(6, 32, 60, 0.8) 100%);
  border: 1px solid rgba(255, 255, 255, 0.4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), 0 0 30px rgba(0, 220, 255, 0.3), inset 0 1px 2px rgba(255, 255, 255, 0.9);
}

.product-image-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.4);
}

.product-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-lg);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-showcase-frame:hover .product-image {
  transform: scale(1.03);
}

.product-badge-float {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  background: rgba(3, 20, 42, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 240, 255, 0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4), 0 0 15px rgba(0, 240, 255, 0.2);
}

.product-badge-text {
  font-size: 0.85rem;
  color: #ffffff;
  font-weight: 600;
}

.product-badge-sub {
  font-size: 0.75rem;
  color: var(--aero-cyan);
}

/* Regulatory Disclaimer Notice Banner (Google Ads / EU Compliant) */
.compliance-notice-banner {
  margin-top: 24px;
  padding: 12px 20px;
  border-radius: var(--radius-md);
  background: rgba(0, 240, 255, 0.06);
  border: 1px solid rgba(0, 240, 255, 0.25);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.compliance-icon {
  font-size: 1.1rem;
  color: var(--aero-cyan);
  flex-shrink: 0;
}

/* ==========================================================================
   INTERACTIVE TABS COMPONENT (Matching Reference Screenshot)
   ========================================================================== */
.tabs-section {
  padding: 40px 0;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 36px auto;
}

.section-subtitle {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--aero-cyan);
  margin-bottom: 8px;
  text-shadow: 0 0 10px rgba(0, 240, 255, 0.4);
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  text-shadow: 0 2px 15px rgba(0, 180, 255, 0.3);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.aero-tab-widget {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 24px;
  align-items: stretch;
}

.tab-nav-panel {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tab-nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
}

.tab-nav-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  border-color: rgba(0, 240, 255, 0.3);
}

.tab-nav-btn.active {
  background: linear-gradient(90deg, rgba(0, 240, 255, 0.25) 0%, rgba(2, 132, 199, 0.4) 100%);
  border-color: var(--aero-cyan);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 200, 255, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.7);
  text-shadow: 0 0 8px rgba(0, 240, 255, 0.5);
}

.tab-nav-icon {
  font-size: 1.1rem;
}

.tab-content-panel {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tab-pane {
  display: none;
  animation: fadeInPane 0.4s ease-out;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeInPane {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.tab-pane-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 16px;
}

.tab-pane-text {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.tab-pane-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.tab-metric-box {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 16px;
}

.tab-metric-heading {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--aero-cyan);
  margin-bottom: 6px;
}

.tab-metric-value {
  font-size: 0.92rem;
  color: var(--text-primary);
}

/* ==========================================================================
   FEATURE CARDS (4 Pillars of Male Vitality)
   ========================================================================== */
.pillars-section {
  padding: 50px 0;
}

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

.pillar-card {
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.pillar-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.3) 0%, rgba(2, 132, 199, 0.6) 100%);
  border: 1px solid rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  box-shadow: 0 4px 15px rgba(0, 200, 255, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.9);
}

.pillar-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 12px;
}

.pillar-card-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  flex-grow: 1;
}

.pillar-tag {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--aero-cyan);
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.25);
  padding: 4px 10px;
  border-radius: 9999px;
  font-weight: 600;
}

/* ==========================================================================
   INTERACTIVE VITALITY ASSESSMENT / QUIZ (Value Add)
   ========================================================================== */
.quiz-section {
  padding: 50px 0;
}

.quiz-container {
  padding: 40px;
  max-width: 860px;
  margin: 0 auto;
}

.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
  animation: fadeInPane 0.4s ease-out;
}

.quiz-question {
  font-size: 1.35rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 20px;
}

.quiz-options-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 28px;
}

.quiz-option-btn {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.18);
  color: var(--text-primary);
  font-size: 0.95rem;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 12px;
}

.quiz-option-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: rgba(0, 240, 255, 0.5);
  transform: translateY(-2px);
}

.quiz-option-btn.selected {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.25) 0%, rgba(2, 132, 199, 0.45) 100%);
  border-color: var(--aero-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
  font-weight: 600;
  color: #ffffff;
}

.quiz-progress-bar {
  height: 6px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.1);
  overflow: hidden;
  margin-bottom: 24px;
}

.quiz-progress-fill {
  height: 100%;
  width: 25%;
  background: linear-gradient(90deg, #00f0ff, #38bdf8);
  transition: width 0.3s ease;
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.7);
}

.quiz-result-box {
  display: none;
  text-align: center;
  padding: 20px 10px;
}

.quiz-result-box.active {
  display: block;
}

.quiz-result-icon {
  font-size: 3rem;
  color: var(--aero-cyan);
  margin-bottom: 16px;
}

/* ==========================================================================
   SCIENCE / INGREDIENT BREAKDOWN SECTION
   ========================================================================== */
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.ingredient-card {
  padding: 28px;
}

.ingredient-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.ingredient-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
}

.ingredient-badge {
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 9999px;
  background: rgba(16, 185, 129, 0.2);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #6ee7b7;
  font-weight: 600;
}

.ingredient-role {
  font-size: 0.88rem;
  color: var(--aero-cyan);
  margin-bottom: 12px;
  font-weight: 500;
}

.ingredient-desc {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==========================================================================
   STANDARDS & TRANSPARENCY SECTION
   ========================================================================== */
.standards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 36px;
}

.standard-card {
  text-align: center;
  padding: 28px 18px;
}

.standard-icon {
  font-size: 2.2rem;
  color: var(--aero-cyan);
  margin-bottom: 14px;
  display: inline-block;
  text-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}

.standard-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
}

.standard-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ==========================================================================
   CONTACT / INQUIRY FORM (NO PRICE, Google Ads Compliant)
   ========================================================================== */
.contact-section {
  padding: 50px 0;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 36px;
}

.contact-info-panel {
  padding: 36px;
}

.contact-form-panel {
  padding: 36px;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 13px 18px;
  border-radius: var(--radius-md);
  background: rgba(2, 18, 38, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  border-color: var(--aero-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.35);
  background: rgba(2, 22, 48, 0.8);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.5;
  cursor: pointer;
}

.form-checkbox {
  margin-top: 3px;
  accent-color: var(--aero-cyan);
}

/* ==========================================================================
   FOOTER (Strict Legal, EU, Google Ads Disclaimers)
   ========================================================================== */
.site-footer {
  margin-top: 80px;
  background: rgba(2, 13, 26, 0.9);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding: 60px 0 30px 0;
  position: relative;
  z-index: 10;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-col-title {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
  position: relative;
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--aero-cyan);
  box-shadow: 0 0 8px var(--aero-cyan);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

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

.footer-links a:hover {
  color: var(--aero-cyan);
  padding-left: 4px;
}

.footer-disclaimer-box {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 36px;
}

.footer-disclaimer-title {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--aero-cyan);
  margin-bottom: 8px;
}

.footer-disclaimer-text {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-legal-inline {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-legal-inline a {
  color: var(--text-muted);
}

.footer-legal-inline a:hover {
  color: var(--aero-cyan);
}

/* ==========================================================================
   GDPR COOKIE BANNER
   ========================================================================== */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 900px;
  margin: 0 auto;
  z-index: 9999;
  padding: 24px 30px;
  background: rgba(4, 23, 46, 0.92);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid rgba(0, 240, 255, 0.4);
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 35px rgba(0, 220, 255, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.8);
  display: none;
  animation: slideUpBanner 0.5s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUpBanner {
  from { transform: translateY(120%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.cookie-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.cookie-text {
  flex: 1;
  min-width: 280px;
  font-size: 0.88rem;
  color: var(--text-primary);
  line-height: 1.5;
}

.cookie-text a {
  text-decoration: underline;
}

.cookie-buttons {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ==========================================================================
   MODAL / POPUP
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(1, 10, 20, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-container {
  width: 100%;
  max-width: 580px;
  padding: 36px;
  position: relative;
  animation: modalPop 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transition: all var(--transition-fast);
}

.modal-close-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--aero-cyan);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Tablets & Mobile)
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .hero-features-list {
    justify-content: center;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .product-showcase-frame {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .aero-tab-widget {
    grid-template-columns: 1fr;
  }
  
  .pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .standards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .ingredients-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-layout {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 10px 18px;
  }
  
  .nav-menu {
    position: fixed;
    top: 80px;
    left: 20px;
    right: 20px;
    background: rgba(4, 23, 46, 0.96);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: var(--radius-lg);
    flex-direction: column;
    padding: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
    display: none;
  }
  
  .nav-menu.mobile-open {
    display: flex;
  }
  
  .mobile-toggle {
    display: block;
  }
  
  .hero-title {
    font-size: 2.2rem;
  }
  
  .hero-glass-box {
    padding: 28px 20px;
  }
  
  .hero-features-list {
    grid-template-columns: 1fr;
  }
  
  .pillars-grid {
    grid-template-columns: 1fr;
  }
  
  .standards-grid {
    grid-template-columns: 1fr;
  }
  
  .ingredients-grid {
    grid-template-columns: 1fr;
  }
  
  .quiz-options-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}