@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700;800&family=Roboto:wght@300;400;500;700&display=swap');

/* ==========================================
   DESIGN SYSTEM VARIABLES (OPTION 3)
   ========================================== */
:root {
  --primary-color: #1e40af;       /* Deep Royal Blue */
  --primary-light: #3b82f6;      /* Electric Blue */
  --primary-dark: #1e3a8a;       /* Dark Royal Blue */
  --secondary-color: #93c5fd;     /* Sky Blue */
  --secondary-light: #e0f2fe;    /* Ultra Light Blue */
  
  --dark-color: #0f172a;         /* Dark Slate */
  --light-color: #f8fafc;        /* Off-White/Light Gray */
  --white: #ffffff;
  --border-color: #e2e8f0;       /* Soft Gray Border */
  --text-color: #334155;         /* Body Text */
  --text-dark: #0f172a;          /* Heading Text */
  --text-light: #64748b;         /* Muted Text */
  
  --success-color: #10b981;      /* Trust Green */
  --accent-color: #f59e0b;       /* Warning Gold */
  --danger-color: #ef4444;       /* Urgent Red */

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(30, 64, 175, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(30, 64, 175, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(30, 64, 175, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow: 0 0 20px rgba(59, 130, 246, 0.3);
  --shadow-glow-royal: 0 0 25px rgba(30, 64, 175, 0.4);

  /* Fonts */
  --font-headings: 'Montserrat', sans-serif;
  --font-body: 'Roboto', sans-serif;

  /* Corners */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

/* ==========================================
   RESET & MOBILE-SPECIFIC CSS RULES
   ========================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px; /* Base font size */
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--light-color);
  color: var(--text-color);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 16px; /* Prevents zoom on focus in iOS */
}

/* ==========================================
   TYPOGRAPHY & MOBILE SCALES
   ========================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1.3;
}

h1 {
  /* H1 Mobile: 24-28px, Desktop: 40-48px */
  font-size: clamp(1.5rem, 4vw + 0.5rem, 2.75rem);
  margin-bottom: 1.5rem;
}

h2 {
  /* H2 Mobile: 20-24px, Desktop: 32-36px */
  font-size: clamp(1.25rem, 3vw + 0.5rem, 2.25rem);
  text-align: center;
  margin-bottom: 3rem;
  position: relative;
  padding-bottom: 15px;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
}

h3 {
  /* H3 Mobile: 18-20px, Desktop: 24-28px */
  font-size: clamp(1.125rem, 2vw + 0.5rem, 1.625rem);
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1.25rem;
  font-size: 1rem;
  max-width: 75ch; /* Comfortable reading width */
}

strong {
  font-weight: 700;
  color: var(--text-dark);
}

.section-bg-light {
  background-color: var(--white);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

/* ==========================================
   LAYOUTS & RESPONSIVE GRID
   ========================================== */
.container {
  width: 100%;
  padding-left: 20px;
  padding-right: 20px;
  margin-left: auto;
  margin-right: auto;
  max-width: 1200px;
}

section {
  padding: 60px 0;
  position: relative;
}

/* Grid System (Mobile-First) */
.grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr; /* Mobile default */
}

/* Split Column layouts */
.split-row {
  display: flex;
  flex-direction: column-reverse; /* Stack: image top, text bottom on mobile */
  gap: 30px;
  align-items: center;
}

.split-row.reverse {
  flex-direction: column; /* Image first, then text on mobile */
}

/* ==========================================
   INTERACTIVE BUTTONS & TOUCH TARGETS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-headings);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  box-shadow: var(--shadow-md);
  min-height: 48px; /* Android touch standard */
  padding: 12px 28px;
  font-size: 0.95rem;
  text-align: center;
  width: auto;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
  border: 1px solid var(--primary-dark);
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: scale(1.05);
  box-shadow: var(--shadow-glow-royal);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-large {
  min-height: 52px;
  font-size: 1.05rem;
  padding: 14px 36px;
  width: 100%;
}

.btn-block {
  width: 100%;
}

/* ==========================================
   ANIMATIONS & SCROLL INTERACTION
   ========================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.appear {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delay classes */
.stagger-container > *:nth-child(1) { transition-delay: 0.1s; }
.stagger-container > *:nth-child(2) { transition-delay: 0.2s; }
.stagger-container > *:nth-child(3) { transition-delay: 0.3s; }
.stagger-container > *:nth-child(4) { transition-delay: 0.4s; }

/* Product float animation in Hero */
@keyframes float {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.float-img {
  animation: float 5s ease-in-out infinite;
}

/* Pulse animation for urgency */
@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.7); }
  70% { box-shadow: 0 0 15px 8px rgba(30, 64, 175, 0); }
  100% { box-shadow: 0 0 0 0 rgba(30, 64, 175, 0); }
}

.pulse-glow {
  animation: pulseGlow 2.2s infinite;
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-delay: 0s !important;
    animation-duration: 0s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0s !important;
    scroll-behavior: auto !important;
    transform: none !important;
  }
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
  .float-img {
    animation: none !important;
  }
  .pulse-glow {
    animation: none !important;
  }
}

/* ==========================================
   SECTION 1: NAVIGATION MENU
   ========================================== */
.header-nav {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 16px 0;
  transition: all 0.3s ease;
}

.header-nav.sticky {
  position: fixed;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  padding: 10px 0;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary-color);
}

.logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.nav-links {
  display: none; /* Mobile hidden */
}

.nav-cta {
  display: none; /* Mobile hidden */
}

.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 20px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 105;
  padding: 0;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background-color: var(--primary-color);
  border-radius: var(--radius-full);
  transition: all 0.3s linear;
  transform-origin: 1px;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg); }

/* Slide-In Navigation Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background-color: var(--white);
  box-shadow: var(--shadow-xl);
  z-index: 101;
  display: flex;
  flex-direction: column;
  padding: 80px 24px 30px;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-drawer.active {
  right: 0;
}

.mobile-nav-drawer .nav-link-item {
  font-family: var(--font-headings);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-dark);
}

.mobile-nav-drawer .btn {
  margin-top: 20px;
}

.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* ==========================================
   SECTION 2: HERO SECTION
   ========================================== */
.hero {
  padding-top: 110px;
  padding-bottom: 60px;
  background: radial-gradient(circle at 80% 20%, var(--secondary-light) 0%, var(--light-color) 100%);
  overflow: hidden;
}

.hero-content {
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--secondary-light);
  color: var(--primary-color);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.8rem;
  margin-bottom: 1.25rem;
}

.hero-image-container {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

.hero-image-container::before {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(147, 197, 253, 0.4) 0%, rgba(147, 197, 253, 0) 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero-image {
  position: relative;
  z-index: 1;
  max-height: 350px;
  width: auto;
  filter: drop-shadow(0 15px 25px rgba(30, 64, 175, 0.15));
}

/* ==========================================
   SECTION 3: WHY CHOOSE US
   ========================================== */
.why-choose-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
}

.why-choose-card:hover {
  transform: scale(1.05) rotate(2deg);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  border-color: var(--primary-light);
}

.why-choose-icon-wrap {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--secondary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  border: 1px dashed var(--primary-light);
}

.why-choose-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.why-choose-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.why-choose-card p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ==========================================
   SECTION 4: WHAT IS GLUCOTIDE
   ========================================== */
.what-is-img-wrap {
  position: relative;
  max-width: 420px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--white);
}

.what-is-img {
  width: 100%;
  height: auto;
  transition: transform 0.5s ease;
}

.what-is-img-wrap:hover .what-is-img {
  transform: scale(1.04);
}

/* ==========================================
   SECTION 5: HOW IT WORKS
   ========================================== */
.accordion-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.accordion-item {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.accordion-item.active {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.accordion-header {
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  min-height: 48px;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.accordion-header:hover {
  background: var(--light-color);
}

.accordion-icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.accordion-icon::before, .accordion-icon::after {
  content: '';
  position: absolute;
  background-color: var(--primary-color);
  transition: transform 0.3s ease;
}

.accordion-icon::before {
  top: 0;
  left: 7px;
  width: 2px;
  height: 16px;
}

.accordion-icon::after {
  top: 7px;
  left: 0;
  width: 16px;
  height: 2px;
}

.accordion-item.active .accordion-icon {
  transform: rotate(135deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--light-color);
}

.accordion-inner {
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.accordion-inner p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* ==========================================
   SECTION 6: CUSTOMER REVIEWS
   ========================================== */
.review-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border-color);
  height: 100%;
}

.review-stars {
  margin-bottom: 12px;
}

.review-stars img {
  height: 20px;
  width: auto;
}

.review-text {
  font-size: 0.9rem;
  font-style: italic;
  line-height: 1.6;
  margin-bottom: 20px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
  border-top: 1px solid var(--border-color);
  padding-top: 12px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--secondary-color);
}

.review-info h4 {
  font-size: 0.95rem;
  margin-bottom: 2px;
}

.review-info p {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 0;
}

/* ==========================================
   SECTION 7: PRICING & COUNTDOWN
   ========================================== */
.timer-wrap {
  text-align: center;
  background: var(--white);
  border: 2px solid var(--danger-color);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  max-width: 450px;
  margin: 0 auto 35px;
  box-shadow: var(--shadow-md);
}

.timer-subheading {
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--danger-color);
  text-transform: uppercase;
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}

.timer-digits {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  font-family: var(--font-headings);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-dark);
}

.timer-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--light-color);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  min-width: 64px;
  border: 1px solid var(--border-color);
}

.timer-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-light);
  font-weight: 600;
  margin-top: 2px;
}

.timer-colon {
  color: var(--danger-color);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.pricing-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 100%;
  transition: transform 0.3s ease;
}

.pricing-card.popular {
  border: 3px solid var(--primary-color);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
  background: linear-gradient(180deg, var(--white) 0%, var(--secondary-light) 100%);
}

.pricing-card.popular::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--primary-color);
  border-top-left-radius: var(--radius-lg);
  border-top-right-radius: var(--radius-lg);
}

.badge-popular {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: var(--white);
  padding: 4px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-headings);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-sm);
}

.pricing-label {
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--primary-color);
  letter-spacing: 1px;
}

.pricing-card.popular .pricing-label {
  color: var(--primary-dark);
}

.pricing-subtitle {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-light);
  margin-top: 4px;
  margin-bottom: 15px;
}

.pricing-img-wrap {
  height: 160px;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
}

.pricing-img {
  max-height: 100%;
  width: auto;
  object-fit: contain;
}

.pricing-price-wrap {
  margin-bottom: 20px;
}

.price-old {
  font-size: 1.15rem;
  text-decoration: line-through;
  color: var(--danger-color);
  font-weight: 600;
}

.price-new {
  font-family: var(--font-headings);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1;
  margin: 4px 0;
}

.price-new span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
}

.price-total {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-color);
}

.pricing-badges {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
  min-height: 52px;
  justify-content: center;
}

.price-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
}

.price-badge-secondary {
  background: var(--light-color);
  color: var(--text-light);
  border: 1px solid var(--border-color);
}

.price-badge-bonus {
  background: var(--primary-color);
  color: var(--white);
}

.price-badge-shipping {
  background: var(--success-color);
  color: var(--white);
}

.pricing-atc-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.atc-btn {
  display: block;
  width: 100%;
  max-width: 220px;
  cursor: pointer;
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.atc-btn:hover {
  transform: scale(1.06);
}

.atc-btn:active {
  transform: scale(0.96);
}

.atc-img {
  width: 100%;
  height: auto;
}

.payment-logos {
  max-width: 160px;
  height: auto;
}

.pricing-trust-rating {
  text-align: center;
  margin-top: 35px;
}

.pricing-trust-rating img {
  height: 24px;
  width: auto;
  margin: 0 auto 10px;
}

.pricing-trust-rating p {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-dark);
  margin: 0 auto;
}

/* ==========================================
   SECTION 8: BONUS SECTION
   ========================================== */
.bonus-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 35px;
}

.bonus-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
  max-width: 900px;
  margin: 0 auto;
}

.bonus-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.bonus-img-wrap {
  max-width: 160px;
  margin-bottom: 20px;
}

.bonus-tag {
  display: inline-block;
  background: var(--accent-color);
  color: var(--white);
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.bonus-content h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
}

.bonus-content p {
  font-size: 0.875rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ==========================================
   SECTION 9: INGREDIENTS
   ========================================== */
.ingredient-card {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.ingredient-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.ingredient-card h3 {
  font-size: 1.05rem;
  color: var(--primary-color);
  margin-bottom: 8px;
}

.ingredient-card p {
  font-size: 0.85rem;
  color: var(--text-color);
  line-height: 1.5;
  margin-bottom: 12px;
}

.ingredient-benefit {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--success-color);
  text-transform: uppercase;
  margin-bottom: 0 !important;
  display: flex;
  align-items: center;
  gap: 4px;
}

.ingredient-benefit::before {
  content: '✓';
  font-weight: 800;
}

/* ==========================================
   SECTION 10: SCIENTIFIC EVIDENCE
   ========================================== */
.evidence-intro {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 35px;
}

.evidence-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.evidence-item {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.evidence-header {
  width: 100%;
  padding: 16px 20px;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-dark);
}

.evidence-header:hover {
  background: var(--light-color);
}

.evidence-icon {
  font-size: 0.8rem;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

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

.evidence-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--light-color);
}

.evidence-inner {
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.evidence-inner p {
  font-size: 0.9rem;
  line-height: 1.6;
}

.scientific-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  color: var(--primary-light);
  font-weight: 700;
  margin-top: 8px;
}

.scientific-link:hover {
  color: var(--primary-color);
  text-decoration: underline;
}

/* ==========================================
   SECTION 11: MONEY BACK GUARANTEE
   ========================================== --> */
.guarantee-container {
  display: flex;
  flex-direction: column;
  gap: 30px;
  align-items: center;
}

.guarantee-image-wrap {
  max-width: 180px;
  flex-shrink: 0;
}

.guarantee-content h2 {
  text-align: center;
}

.guarantee-content h2::after {
  left: 50%;
  transform: translateX(-50%);
}

.guarantee-points {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 30px;
}

.guarantee-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.guarantee-point-icon {
  width: 28px;
  height: 28px;
  background: var(--success-color);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.guarantee-point h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.guarantee-point p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-bottom: 0;
}

/* ==========================================
   SECTION 12: BENEFITS
   ========================================== */
.benefits-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.benefit-icon {
  color: var(--success-color);
  font-weight: 800;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.benefit-text {
  font-size: 0.95rem;
  margin-bottom: 0;
  line-height: 1.5;
}

/* ==========================================
   SECTION 14: FAQ SECTION
   ========================================== */
.faq-wrapper {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.faq-item.active {
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.faq-header {
  width: 100%;
  padding: 18px 20px;
  background: none;
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-dark);
  min-height: 48px;
}

.faq-header:hover {
  background: var(--light-color);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  background: var(--light-color);
}

.faq-inner {
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.faq-inner p {
  margin-bottom: 0;
  font-size: 0.9rem;
}

/* ==========================================
   SECTION 15: FINAL CTA
   ========================================== */
.final-cta-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  max-width: 900px;
  margin: 0 auto;
}

.final-cta-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.final-cta-img-wrap {
  max-width: 220px;
}

.final-cta-content {
  text-align: center;
}

.final-cta-content h2 {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.final-cta-content h2::after {
  display: none;
}

.final-cta-content p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.final-cta-price {
  margin-bottom: 24px;
}

.final-cta-price .old {
  font-size: 1.25rem;
  text-decoration: line-through;
  color: var(--danger-color);
  margin-right: 8px;
}

.final-cta-price .new {
  font-family: var(--font-headings);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--success-color);
}

/* ==========================================
   SECTION 16: FOOTER
   ========================================== */
.footer {
  background-color: var(--dark-color);
  color: #94a3b8;
  padding: 50px 0 30px;
  border-top: 3px solid var(--primary-color);
}

.footer-grid {
  display: grid;
  gap: 30px;
  grid-template-columns: 1fr;
  margin-bottom: 40px;
}

.footer-about h3 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.footer-about p {
  font-size: 0.85rem;
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 100%;
}

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
}

.legal-link {
  font-size: 0.8rem;
  color: #cbd5e1;
}

.legal-link:hover {
  color: var(--secondary-color);
}

.link-separator {
  color: #475569;
}

.footer-links-col h3 {
  color: var(--white);
  font-size: 1.15rem;
  margin-bottom: 16px;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.social-icon {
  width: 40px;
  height: 40px;
  background-color: #1e293b;
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  font-size: 0.95rem;
}

.social-icon:hover {
  background-color: var(--primary-color);
  transform: translateY(-3px);
}

.footer-disclaimer {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  margin-bottom: 24px;
}

.footer-disclaimer p {
  font-size: 0.75rem;
  line-height: 1.5;
  color: #64748b;
  text-align: justify;
}

.footer-copyright {
  text-align: center;
  font-size: 0.75rem;
  color: #475569;
}

/* ==========================================
   SCROLL-TO-TOP BUTTON
   ========================================== */
.scroll-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 99;
}

.scroll-to-top.show {
  opacity: 1;
  visibility: visible;
}

.scroll-to-top:hover {
  background-color: var(--primary-light);
  transform: translateY(-3px);
}

.scroll-to-top svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
}

/* ==========================================
   PURCHASE NOTIFICATION TOAST
   ========================================== */
.purchase-toast {
  position: fixed;
  bottom: -100px;
  left: 20px;
  right: 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 1000;
  transition: bottom 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 1px solid var(--border-color);
}

.purchase-toast.show {
  bottom: 20px;
}

.toast-img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 2px solid var(--success-color);
}

.toast-details p {
  margin-bottom: 0;
  line-height: 1.3;
}

.toast-title {
  font-size: 0.8rem;
  color: var(--text-light);
}

.toast-name {
  font-weight: 700;
  color: var(--text-dark);
}

.toast-location {
  font-weight: 600;
}

.toast-details p:nth-child(2) {
  font-size: 0.82rem;
  color: var(--text-dark);
  margin-top: 2px;
}

.toast-package {
  color: var(--primary-color);
  font-weight: 700;
}

.toast-time {
  font-size: 0.65rem;
  color: var(--text-light);
  margin-top: 4px;
}

/* ==========================================
   EXIT-INTENT MODAL POPUP
   ========================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 16px;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.exit-modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  position: relative;
  border: 3px solid var(--primary-color);
  animation: modalBounce 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.2);
}

@keyframes modalBounce {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-close-btn {
  position: absolute;
  top: 10px;
  right: 12px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text-light);
  border: none;
  font-size: 1.5rem;
  font-weight: 700;
  cursor: pointer;
  line-height: 1;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  color: var(--danger-color);
  background: var(--danger-color)22;
}

.modal-header-banner {
  background: var(--danger-color);
  color: var(--white);
  text-align: center;
  padding: 10px 16px;
  font-family: var(--font-headings);
  font-weight: 800;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.modal-body {
  padding: 24px;
  text-align: center;
}

.modal-body h3 {
  color: var(--primary-color);
  margin-bottom: 12px;
}

.modal-body p {
  font-size: 0.875rem;
  color: var(--text-color);
  margin-bottom: 20px;
  line-height: 1.5;
}

.modal-pricing-box {
  background: var(--secondary-light);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 24px;
  border: 1px solid var(--border-color);
}

.modal-price-val {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.modal-price-val .old {
  font-size: 1.25rem;
  text-decoration: line-through;
  color: var(--danger-color);
  font-weight: 600;
}

.modal-price-val .new {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary-color);
}

/* ==========================================
   BREAKPOINTS (MOBILE-FIRST SCALE UP)
   ========================================== */

/* 480px (Phones) */
@media (min-width: 480px) {
  .purchase-toast {
    max-width: 380px;
    left: 20px;
    right: auto;
  }
}

/* 576px (Large phones) */
@media (min-width: 576px) {
  .grid-why-choose {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-ingredients {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .pricing-card {
    max-width: 400px;
    margin: 0 auto;
  }

  .bonus-card {
    flex-direction: row;
    text-align: left;
    gap: 20px;
    align-items: flex-start;
  }

  .bonus-img-wrap {
    max-width: 120px;
    margin-bottom: 0;
  }

  .guarantee-container {
    flex-direction: row;
    gap: 30px;
    align-items: flex-start;
  }

  .guarantee-image-wrap {
    max-width: 150px;
  }

  .guarantee-content h2 {
    text-align: left;
  }

  .guarantee-content h2::after {
    left: 0;
    transform: none;
  }

  .final-cta-container {
    flex-direction: row;
    gap: 30px;
    align-items: center;
  }

  .final-cta-img-wrap {
    max-width: 180px;
  }

  .final-cta-content {
    text-align: left;
  }
  
  .final-cta-content h2 {
    font-size: 1.75rem;
  }
}

/* 768px (Tablets) */
@media (min-width: 768px) {
  section {
    padding: 80px 0;
  }

  .split-row {
    flex-direction: row;
    gap: 40px;
  }

  .split-row.reverse {
    flex-direction: row-reverse;
  }

  .hero .split-row {
    flex-direction: row; /* Image left, content right */
  }

  .hero-content {
    text-align: left;
    flex: 1.2;
  }

  .hero-image-container {
    max-width: 100%;
    flex: 0.8;
  }

  .hero-image {
    max-height: 420px;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
  }

  .nav-link-item {
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-color);
  }

  .nav-link-item:hover {
    color: var(--primary-color);
  }

  .nav-cta {
    display: block;
  }

  .hamburger {
    display: none;
  }

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

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

  .footer-grid {
    grid-template-columns: 2fr 1fr;
    gap: 50px;
  }
  
  .footer-about p {
    max-width: 80%;
  }

  /* Exit modal banner style adjustment for desktop */
  .exit-modal {
    max-width: 520px;
  }
}

/* 1024px (Small laptops) */
@media (min-width: 1024px) {
  .grid-why-choose {
    grid-template-columns: repeat(4, 1fr);
  }

  .grid-pricing {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
  }

  .grid-reviews {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid-ingredients {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .final-cta-card {
    padding: 40px;
  }

  .final-cta-img-wrap {
    max-width: 220px;
  }
  
  .final-cta-content h2 {
    font-size: 2rem;
  }
}

/* 1440px (Desktop) */
@media (min-width: 1440px) {
  .container {
    max-width: 1240px;
  }
  
  .hero-image {
    max-height: 480px;
  }
}