/* =========================================
   NERVE RENEW - MEDICAL PROFESSIONAL THEME
   Colors: Deep Navy #1E3A5F, Royal Blue #2563EB, 
           Light Blue #DBEAFE, White #FFFFFF
   Fonts: Montserrat (headings) + Open Sans (body)
   ========================================= */

:root {
  --navy: #1E3A5F;
  --blue: #2563EB;
  --blue-light: #3B82F6;
  --blue-pale: #DBEAFE;
  --blue-xpale: #EFF6FF;
  --teal: #0EA5E9;
  --green: #059669;
  --gold: #D97706;
  --red: #DC2626;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-600: #4B5563;
  --gray-800: #1F2937;
  --text: #1F2937;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 16px rgba(30,58,95,0.12);
  --shadow-lg: 0 8px 32px rgba(30,58,95,0.18);
  --shadow-xl: 0 20px 60px rgba(30,58,95,0.25);
  --radius: 16px;
  --radius-lg: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========== RESET & BASE ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text);
  background: #fff;
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
input, select, textarea { font-size: 16px; }

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--navy);
}
h1 { font-size: clamp(26px, 5vw, 52px); }
h2 { font-size: clamp(22px, 4vw, 40px); }
h3 { font-size: clamp(18px, 2.5vw, 24px); }
h4 { font-size: clamp(16px, 2vw, 20px); }

/* ========== UTILITIES ========== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.accent { color: var(--blue); }
.gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header { text-align: center; margin-bottom: 48px; }
.section-tag {
  display: inline-block;
  background: var(--blue-pale);
  color: var(--blue);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--gray-600);
  margin-top: 12px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== BUTTONS ========== */
.btn-primary, .btn-hero, .btn-final, .btn-price, .btn-nav, .btn-popup {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  border: none;
  cursor: pointer;
  border-radius: 100px;
  transition: var(--transition);
  text-align: center;
  min-height: 48px;
  line-height: 1.3;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #fff;
  padding: 16px 36px;
  font-size: 16px;
  box-shadow: 0 4px 20px rgba(37,99,235,0.35);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(37,99,235,0.45); }

.btn-hero {
  background: linear-gradient(135deg, #16A34A, #059669);
  color: #fff;
  padding: 20px 40px;
  font-size: 18px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 6px 24px rgba(5,150,105,0.4);
  gap: 4px;
}
.btn-hero:hover { transform: scale(1.05); box-shadow: 0 10px 36px rgba(5,150,105,0.5); }
.btn-hero .btn-sub { font-size: 12px; font-weight: 600; opacity: 0.9; font-family: 'Open Sans', sans-serif; }

.btn-nav {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #fff;
  padding: 12px 28px;
  font-size: 14px;
  border-radius: 100px;
  white-space: nowrap;
}
.btn-nav:hover { transform: scale(1.05); box-shadow: var(--shadow-md); }

.btn-price {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: #fff;
  padding: 14px 28px;
  font-size: 15px;
  width: 100%;
  border-radius: 100px;
  box-shadow: 0 4px 16px rgba(37,99,235,0.3);
}
.btn-price:hover { transform: scale(1.05); box-shadow: 0 8px 24px rgba(37,99,235,0.4); }
.popular-btn {
  background: linear-gradient(135deg, #16A34A, #059669) !important;
  box-shadow: 0 4px 16px rgba(5,150,105,0.35) !important;
}
.popular-btn:hover { box-shadow: 0 8px 24px rgba(5,150,105,0.45) !important; }

.btn-final {
  background: linear-gradient(135deg, #16A34A, #059669);
  color: #fff;
  padding: 22px 48px;
  font-size: 20px;
  width: 100%;
  max-width: 500px;
  border-radius: 100px;
  box-shadow: 0 8px 32px rgba(5,150,105,0.4);
  gap: 4px;
  animation: pulseCTA 2s infinite;
}
.btn-final .btn-sub { font-size: 13px; font-weight: 600; opacity: 0.9; font-family: 'Open Sans', sans-serif; }
.btn-final:hover { transform: scale(1.05); }

@keyframes pulseCTA {
  0%, 100% { box-shadow: 0 8px 32px rgba(5,150,105,0.4); }
  50% { box-shadow: 0 8px 48px rgba(5,150,105,0.7), 0 0 0 8px rgba(5,150,105,0.1); }
}

/* ========== NAVIGATION ========== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--blue-pale);
  transition: var(--transition);
}
.navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--navy);
}
.logo-accent { color: var(--blue); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-800);
  transition: var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transition: var(--transition);
}
.nav-link:hover { color: var(--blue); }
.nav-link:hover::after { transform: scaleX(1); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 998;
}

/* ========== HERO ========== */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 40%, #E0F2FE 100%);
  padding: 120px 20px 60px;
  position: relative;
  overflow: hidden;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-bottle {
  max-width: 380px;
  width: 100%;
  position: relative;
  z-index: 1;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(37,99,235,0.25));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50% { transform: translateY(-20px) rotate(1deg); }
}
.hero-badge-float {
  position: absolute;
  top: 10%;
  right: 5%;
  background: var(--blue);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 18px;
  border-radius: 100px;
  box-shadow: var(--shadow-md);
  animation: floatBadge 3s ease-in-out infinite 1s;
  z-index: 2;
}
@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.hero-content { display: flex; flex-direction: column; gap: 20px; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 100px;
  width: fit-content;
  animation: slideDown 0.8s ease forwards;
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-h1 {
  animation: slideUp 0.8s ease 0.2s both;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-desc {
  font-size: 16px;
  color: var(--gray-600);
  line-height: 1.8;
  animation: slideUp 0.8s ease 0.4s both;
}
.hero-stats {
  display: flex;
  gap: 24px;
  margin: 8px 0;
  animation: slideUp 0.8s ease 0.5s both;
}
.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 12px 20px;
  background: white;
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  min-width: 90px;
}
.stat-item strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  font-weight: 800;
  color: var(--blue);
}
.stat-item span { font-size: 12px; color: var(--gray-600); margin-top: 2px; }
.hero-trust { margin-top: 8px; animation: slideUp 0.8s ease 0.7s both; }
.trust-cards { max-width: 280px; opacity: 0.8; }
.hero-wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
}
.hero-wave svg { width: 100%; display: block; }

/* ========== WHY CHOOSE US ========== */
.why-us {
  padding: 80px 20px;
  background: #f0f7ff;
}
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.badge-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--blue-pale);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(30px);
}
.badge-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-xl);
  border-color: var(--blue-light);
}
.badge-icon-wrap {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--blue-xpale);
  display: flex;
  align-items: center;
  justify-content: center;
}
.badge-icon-wrap img { width: 60px; height: 60px; object-fit: contain; }
.badge-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--navy); }
.badge-card p { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ========== WHAT IS ========== */
.what-is { padding: 80px 20px; background: white; }
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.what-is-image {
  position: relative;
  opacity: 0;
  transform: translateX(-40px);
  transition: all 0.7s ease;
}
.what-is-image.visible { opacity: 1; transform: translateX(0); }
.what-is-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  width: 100%;
}
.floating-card {
  position: absolute;
  background: white;
  border-radius: 12px;
  padding: 12px 18px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  color: var(--navy);
  border: 2px solid var(--blue-pale);
}
.fc1 { bottom: -16px; left: -16px; animation: floatCard 3s ease-in-out infinite; }
.fc2 { top: -16px; right: -16px; animation: floatCard 3s ease-in-out infinite 1.5s; }
@keyframes floatCard {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.what-is-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  opacity: 0;
  transform: translateX(40px);
  transition: all 0.7s ease;
}
.what-is-content.visible { opacity: 1; transform: translateX(0); }
.what-is-content p { color: var(--gray-600); line-height: 1.8; }

/* ========== HOW IT WORKS ========== */
.how-works {
  padding: 80px 20px;
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
}
.accordion-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--blue-pale);
}
.accordion-header {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--navy);
  transition: var(--transition);
  min-height: 60px;
}
.accordion-header:hover { background: var(--blue-xpale); }
.accordion-item.active .accordion-header { background: var(--blue-pale); color: var(--blue); }
.acc-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--blue);
  color: white;
  border-radius: 50%;
  font-size: 13px;
  flex-shrink: 0;
}
.accordion-item.active .acc-num { background: var(--navy); }
.acc-title { flex: 1; }
.acc-icon {
  font-size: 22px;
  color: var(--blue);
  transition: var(--transition);
  flex-shrink: 0;
}
.accordion-item.active .acc-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.accordion-item.active .accordion-body {
  max-height: 400px;
  padding: 0 24px 24px;
}
.accordion-body p { font-size: 15px; color: var(--gray-600); line-height: 1.8; }

/* ========== REVIEWS ========== */
.reviews { padding: 80px 20px; background: white; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.review-card {
  background: var(--gray-50);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.review-card.visible { opacity: 1; transform: translateY(0); }
.review-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.featured-review {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border-color: var(--blue-light);
}
.review-top { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 16px; }
.reviewer-photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--blue);
}
.reviewer-info { display: flex; flex-direction: column; gap: 2px; }
.reviewer-info strong { font-family: 'Montserrat', sans-serif; font-size: 15px; color: var(--navy); }
.reviewer-info span { font-size: 13px; color: var(--gray-600); }
.stars { font-size: 16px; }
.review-text { font-size: 14px; color: var(--gray-600); line-height: 1.8; margin-bottom: 12px; }
.verified-badge {
  font-size: 12px;
  color: var(--green);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}
.reviews-rating-bar {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.reviews-rating-bar img { max-width: 260px; }
.reviews-rating-bar p { font-size: 16px; color: var(--gray-600); }

/* ========== PRICING ========== */
.pricing { padding: 80px 20px; background: linear-gradient(135deg, #EFF6FF, #E0F2FE); }
.pricing-2 { background: linear-gradient(135deg, var(--navy), #1e4080); }
.pricing-2 .section-header h2 { color: white; }
.pricing-2 .section-tag { background: rgba(255,255,255,0.2); color: white; }
.pricing-2 .section-sub { color: rgba(255,255,255,0.8); }
.pricing-2 .countdown-label { color: white; }
.countdown-wrap {
  text-align: center;
  margin-bottom: 48px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 16px;
}
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--red);
  padding: 16px 32px;
  border-radius: var(--radius);
  box-shadow: 0 4px 20px rgba(220,38,38,0.35);
}
.cd-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.cd-block span {
  font-family: 'Montserrat', sans-serif;
  font-size: 42px;
  font-weight: 900;
  color: white;
  line-height: 1;
  min-width: 56px;
  text-align: center;
}
.cd-block small {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  color: rgba(255,255,255,0.8);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-top: 4px;
}
.cd-sep {
  font-size: 36px;
  font-weight: 900;
  color: white;
  font-family: 'Montserrat', sans-serif;
  margin-top: -8px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.price-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--blue-pale);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  position: relative;
  transition: var(--transition);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.price-card.popular {
  border-color: var(--blue);
  background: linear-gradient(180deg, #EFF6FF 0%, white 100%);
  transform: scale(1.04);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-6px); }
.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--blue);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 100px;
  white-space: nowrap;
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--blue);
  text-transform: uppercase;
}
.price-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--navy);
}
.price-supply { font-size: 13px; color: var(--gray-600); }
.price-card img:not(.cards-img) {
  max-height: 160px;
  object-fit: contain;
}
.price-per {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 28px;
  color: var(--green);
}
.price-per small { font-size: 14px; }
.price-main {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--navy);
  line-height: 1;
}
.price-original { font-size: 15px; color: var(--gray-600); }
.price-badges { display: flex; flex-direction: column; gap: 6px; }
.pbadge {
  display: block;
  background: var(--blue-pale);
  color: var(--blue);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 100px;
}
.pbadge.green { background: #D1FAE5; color: var(--green); }
.cards-img { max-width: 180px; opacity: 0.7; margin-top: 4px; }
.pricing-rating { text-align: center; }
.pricing-rating img { max-width: 240px; margin: 0 auto; }

/* ========== BONUSES ========== */
.bonuses { padding: 80px 20px; background: white; }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.bonus-card {
  background: linear-gradient(135deg, var(--blue-xpale), white);
  border: 2px solid var(--blue-pale);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
  position: relative;
}
.bonus-card.visible { opacity: 1; transform: translateY(0); }
.bonus-card:hover { box-shadow: var(--shadow-xl); transform: translateY(-4px); }
.bonus-num {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 100px;
}
.bonus-card img { max-width: 200px; max-height: 200px; object-fit: contain; margin: 16px auto; }
.bonus-card h3 { margin-bottom: 12px; color: var(--navy); }
.bonus-card p { font-size: 14px; color: var(--gray-600); line-height: 1.8; }

/* ========== INGREDIENTS ========== */
.ingredients { padding: 80px 20px; background: var(--gray-50); }
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.ingredient-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  display: flex;
  gap: 16px;
  opacity: 0;
  transform: translateX(-20px);
}
.ingredient-card.visible { opacity: 1; transform: translateX(0); }
.ingredient-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue-light); }
.ing-icon {
  font-size: 32px;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-xpale);
  border-radius: 12px;
}
.ingredient-card h3 { font-size: 16px; margin-bottom: 8px; color: var(--navy); }
.ingredient-card p { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ========== SCIENCE ========== */
.science { padding: 80px 20px; background: white; }
.science-accordion { max-width: 900px; margin: 0 auto; }

/* ========== GUARANTEE ========== */
.guarantee { padding: 80px 20px; background: linear-gradient(135deg, #EFF6FF, #DBEAFE); }
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 64px;
  align-items: center;
}
.guarantee-image img {
  border-radius: var(--radius-lg);
  max-width: 320px;
  margin: 0 auto;
}
.guarantee-content { display: flex; flex-direction: column; gap: 24px; }
.guarantee-content h2 { color: var(--navy); }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; }
.g-point { display: flex; gap: 16px; align-items: flex-start; }
.g-icon {
  font-size: 28px;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 12px;
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}
.g-point h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; margin-bottom: 6px; color: var(--navy); }
.g-point p { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ========== BENEFITS ========== */
.benefits { padding: 80px 20px; background: white; }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.benefit-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--gray-50);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(16px);
}
.benefit-item.visible { opacity: 1; transform: translateY(0); }
.benefit-item:hover { box-shadow: var(--shadow-md); border-color: var(--blue-light); background: var(--blue-xpale); }
.benefit-check {
  font-size: 22px;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.benefit-item h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; margin-bottom: 6px; color: var(--navy); }
.benefit-item p { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ========== FINAL CTA ========== */
.final-cta {
  padding: 100px 20px;
  background: linear-gradient(135deg, var(--navy) 0%, #1a3a6e 50%, #0f2440 100%);
  position: relative;
  overflow: hidden;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,0.3) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(14,165,233,0.2) 0%, transparent 60%);
  pointer-events: none;
}
.final-cta-content {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.final-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}
.final-bottle-img {
  max-width: 400px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(37,99,235,0.5));
  animation: finalFloat 4s ease-in-out infinite;
}
@keyframes finalFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-16px) scale(1.02); }
}
.final-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37,99,235,0.4), transparent);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}
.final-text {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.final-text h2 { color: white; font-size: clamp(24px, 4vw, 42px); }
.final-text .section-tag { background: rgba(255,255,255,0.2); color: white; }
.final-price-block {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.final-old-price { font-size: 16px; color: rgba(255,255,255,0.6); }
.final-new-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: #86EFAC;
}
.final-desc { font-size: 15px; color: rgba(255,255,255,0.85); line-height: 1.8; }
.final-cta-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.final-cta-features span {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: #86EFAC;
}
.final-cards { max-width: 220px; opacity: 0.7; }

/* ========== FOOTER ========== */
.footer { background: var(--navy); padding: 64px 20px 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.footer-logo span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  color: white;
}
.footer-about { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.8; }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
}
.footer-links a:hover { color: var(--blue-light); }
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.legal-link {
  font-size: 13px;
  color: rgba(255,255,255,0.65);
  transition: var(--transition);
}
.legal-link:hover { color: var(--blue-light); }
.link-separator { color: rgba(255,255,255,0.3); }
.social-links { display: flex; gap: 12px; flex-wrap: wrap; }
.social-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: white;
  transition: var(--transition);
}
.social-btn:hover { transform: scale(1.15); }
.facebook { background: #1877F2; }
.twitter { background: #000; }
.pinterest { background: #E60023; }
.linkedin { background: #0A66C2; }
.footer-disclaimer {
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 24px 0;
  margin-bottom: 24px;
}
.footer-disclaimer p { font-size: 12px; color: rgba(255,255,255,0.45); line-height: 1.8; }
.footer-bottom { padding-bottom: 32px; }
.footer-bottom p {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  text-align: center;
  margin-bottom: 4px;
}
.footer-bottom a { color: var(--blue-light); }

/* ========== SCROLL TO TOP ========== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: var(--blue);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 22px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); background: var(--navy); }

/* ========== NOTIFICATION POPUP ========== */
.notif-popup {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: white;
  border-radius: 16px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--blue-pale);
  z-index: 999;
  max-width: 300px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
.notif-popup.show { transform: translateX(0); }
.notif-avatar { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.notif-text { flex: 1; font-size: 13px; color: var(--gray-800); line-height: 1.5; }
.notif-text strong { font-family: 'Montserrat', sans-serif; display: block; }
.notif-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--gray-600);
  cursor: pointer;
  padding: 4px;
  min-width: 28px;
  min-height: 28px;
  line-height: 1;
  border-radius: 50%;
  flex-shrink: 0;
}
.notif-close:hover { background: var(--gray-100); }

/* ========== EXIT POPUP ========== */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}
.popup-overlay.active { opacity: 1; pointer-events: all; }
.popup-modal {
  background: white;
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  max-width: 520px;
  width: 100%;
  position: relative;
  transform: scale(0.9) translateY(20px);
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  text-align: center;
}
.popup-overlay.active .popup-modal { transform: scale(1) translateY(0); }
.popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: var(--gray-100);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.popup-close:hover { background: var(--gray-200); }
.popup-badge {
  display: inline-block;
  background: var(--red);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
  animation: pulseBadge 1.5s ease-in-out infinite;
}
@keyframes pulseBadge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
.popup-modal h3 { font-size: 26px; margin-bottom: 16px; color: var(--navy); }
.popup-modal p { font-size: 15px; color: var(--gray-600); margin-bottom: 24px; line-height: 1.7; }
.popup-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 24px;
}
.popup-old { font-size: 18px; color: var(--gray-600); }
.popup-new {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: var(--green);
}
.btn-popup {
  display: block;
  background: linear-gradient(135deg, #16A34A, #059669);
  color: white;
  padding: 18px 40px;
  border-radius: 100px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  text-align: center;
  margin-bottom: 12px;
  box-shadow: 0 6px 24px rgba(5,150,105,0.4);
  transition: var(--transition);
}
.btn-popup:hover { transform: scale(1.05); }
.popup-guarantee { font-size: 13px; color: var(--gray-600); margin-bottom: 16px; }
.popup-skip {
  display: block;
  font-size: 13px;
  color: var(--gray-600);
  text-decoration: underline;
  transition: var(--transition);
}
.popup-skip:hover { color: var(--blue); }

/* ========== ANIMATIONS (AOS-like) ========== */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========== MEDIA QUERIES ========== */

/* Tablet: 768px */
@media (max-width: 991px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 280px; }
  .hero-glow { width: 280px; height: 280px; }
  .hero-stats { justify-content: center; }
  .btn-hero { max-width: 100%; }
  .hero-trust { display: flex; justify-content: center; }

  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .what-is-grid { grid-template-columns: 1fr; }
  .what-is-image { order: -1; }
  .what-is-image img { max-width: 380px; margin: 0 auto; }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; gap: 24px; max-width: 380px; margin: 0 auto 32px; }
  .price-card.popular { transform: scale(1); }
  .bonus-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image img { margin: 0 auto; }
  .g-point { flex-direction: column; align-items: center; text-align: center; }
  .benefits-grid { grid-template-columns: 1fr; }
  .final-cta-content { grid-template-columns: 1fr; text-align: center; }
  .final-image-wrap { order: -1; }
  .final-bottle-img { max-width: 280px; }
  .btn-final { max-width: 100%; }
  .final-cta-features { justify-content: center; }
  .final-cards { margin: 0 auto; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
}

/* Large phones: 576px–768px */
@media (max-width: 767px) {
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    height: 100vh;
    width: min(320px, 85vw);
    background: white;
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 24px;
    z-index: 999;
    box-shadow: var(--shadow-xl);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    align-items: flex-start;
  }
  .nav-links.open { right: 0; }
  .nav-overlay { display: block; }
  .nav-overlay.open { display: block; }
  .hamburger { display: flex; }
  .btn-nav { width: 100%; justify-content: center; }

  .hero { padding: 100px 20px 60px; }
  .hero-bottle { max-width: 220px; }
  .hero-badge-float { font-size: 12px; padding: 8px 14px; }
  .hero-stats { flex-wrap: wrap; gap: 12px; }
  .stat-item { min-width: 80px; padding: 10px 14px; }
  .stat-item strong { font-size: 18px; }

  .reviews-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-logo { justify-content: center; }
  .footer-legal-links { justify-content: center; }
  .social-links { justify-content: center; }
  .notif-popup { left: 12px; right: 12px; max-width: unset; bottom: 16px; }

  .cd-block span { font-size: 36px; min-width: 46px; }
  .pricing-grid { max-width: 340px; }
}

/* Small phones: 480px */
@media (max-width: 575px) {
  h1 { font-size: 26px; }
  h2 { font-size: 22px; }
  .badges-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .ingredient-card { flex-direction: column; }
  .popup-modal { padding: 36px 24px; }
  .popup-modal h3 { font-size: 22px; }
  .popup-new { font-size: 28px; }
  .final-cta { padding: 60px 20px; }
}

/* Small devices: 320px */
@media (max-width: 360px) {
  .container { padding: 0 14px; }
  .hero { padding: 90px 14px 50px; }
  .hero-bottle { max-width: 180px; }
  h1 { font-size: 24px; }
  h2 { font-size: 20px; }
  .accordion-header { padding: 16px; font-size: 13px; }
  .cd-block span { font-size: 28px; min-width: 38px; }
}

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