/* ============================================
   NERVALA - Medical Professional Theme
   Colors: Deep Navy, Electric Blue, Clean White
   ============================================ */

/* ---- 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', 'Roboto', sans-serif;
  color: #1e293b;
  background: #f8faff;
  line-height: 1.7;
  overflow-x: hidden;
}

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

a { text-decoration: none; color: inherit; }

ul { list-style: none; }

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #1E40AF;
  --primary-dark: #1e3a8a;
  --accent: #3B82F6;
  --light-blue: #93C5FD;
  --teal: #0ea5e9;
  --gold: #f59e0b;
  --white: #ffffff;
  --off-white: #f0f6ff;
  --dark: #0f172a;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --shadow: 0 4px 24px rgba(30,64,175,0.10);
  --shadow-lg: 0 12px 48px rgba(30,64,175,0.18);
  --radius: 16px;
  --radius-lg: 24px;
  --gradient: linear-gradient(135deg, #1E40AF 0%, #0ea5e9 100%);
  --gradient-gold: linear-gradient(135deg, #f59e0b, #ef4444);
}

/* ---- UTILITY ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 4vw, 40px);
  text-align: center;
  margin-bottom: 12px;
  color: var(--dark);
}

.section-sub {
  text-align: center;
  color: var(--text-light);
  font-size: clamp(15px, 2vw, 18px);
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 17px;
  padding: 16px 36px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 6px 24px rgba(30,64,175,0.35);
  min-height: 54px;
  text-align: center;
  justify-content: center;
}

.btn-primary:hover { transform: scale(1.05); box-shadow: 0 10px 36px rgba(30,64,175,0.45); }
.btn-primary:active { transform: scale(0.98); }

.btn-arrow { font-size: 20px; transition: transform 0.2s; }
.btn-primary:hover .btn-arrow { transform: translateX(5px); }

.btn-xl { font-size: 20px; padding: 20px 48px; }

.pulse-btn {
  animation: pulse 2.5s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 6px 24px rgba(30,64,175,0.35); }
  50% { box-shadow: 0 6px 40px rgba(30,64,175,0.6), 0 0 0 8px rgba(59,130,246,0.15); }
}

/* ============================================
   SECTION 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: 1px solid var(--border);
  transition: box-shadow 0.3s, padding 0.3s;
  padding: 12px 0;
}

.navbar.scrolled {
  box-shadow: var(--shadow);
  padding: 8px 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--primary);
}

.nav-logo img { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover { color: var(--primary); background: var(--off-white); }

.nav-cta-btn {
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 50px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(30,64,175,0.3);
}

.nav-cta-btn:hover { transform: scale(1.05); box-shadow: 0 6px 24px rgba(30,64,175,0.4); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

.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); }

/* ============================================
   SECTION 2: HERO
   ============================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #0369a1 100%);
  position: relative;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: rgba(147,197,253,0.5);
  border-radius: 50%;
  animation: float-particle linear infinite;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.5; }
  100% { transform: translateY(-100px) rotate(720deg); opacity: 0; }
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, transparent 70%);
  border-radius: 50%;
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}

.hero-bottle {
  max-width: 320px;
  width: 100%;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
  animation: bottle-float 4s ease-in-out infinite;
  position: relative;
  z-index: 1;
}

@keyframes bottle-float {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-badge-float {
  position: absolute;
  bottom: -10px;
  right: 0;
  background: var(--gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(245,158,11,0.5);
  animation: badge-bounce 2s ease-in-out infinite;
  z-index: 2;
}

@keyframes badge-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-content { color: #fff; }

.hero-tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--light-blue);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}

.hero-h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 4.5vw, 52px);
  line-height: 1.15;
  margin-bottom: 24px;
  color: #fff;
}

.hero-h1 .gradient-text {
  background: linear-gradient(135deg, #93C5FD, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  line-height: 1.75;
}

.hero-desc strong { color: #fff; }

.hero-stats {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(18px, 2.5vw, 24px);
  color: #fff;
}

.stat-label {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  text-align: center;
}

.hero-cta {
  font-size: clamp(15px, 2vw, 18px);
  padding: 18px 40px;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 8px 32px rgba(245,158,11,0.45);
}

.hero-cta:hover { box-shadow: 0 12px 40px rgba(245,158,11,0.6); }

.hero-small {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}

/* Animations for hero */
.fade-left { animation: fadeSlideLeft 0.9s cubic-bezier(0.16,1,0.3,1) both; }
.fade-right { animation: fadeSlideRight 0.9s cubic-bezier(0.16,1,0.3,1) 0.2s both; }

@keyframes fadeSlideLeft {
  from { opacity: 0; transform: translateX(-50px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeSlideRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================
   SECTION 3: WHY CHOOSE US
   ============================================ */
.why-choose {
  padding: 80px 0;
  background: var(--white);
}

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.badge-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: default;
}

.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.badge-icon {
  width: 90px;
  height: 90px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.badge-icon img { width: 80px; height: 80px; object-fit: contain; }

.badge-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 12px;
}

.badge-card p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* ============================================
   SECTION 4: WHAT IS
   ============================================ */
.what-is {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f6ff 0%, #e0effe 100%);
}

.what-is-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.what-is-image {
  position: relative;
}

.what-is-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.what-is-badge {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 24px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 6px 20px rgba(30,64,175,0.4);
}

.what-is-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 3.5vw, 38px);
  color: var(--dark);
  margin-bottom: 24px;
}

.what-is-content p {
  font-size: 16px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 18px;
}

.what-is-content strong { color: var(--primary); }

.what-is-content .btn-primary { margin-top: 12px; }

/* ============================================
   SECTION 5: HOW IT WORKS
   ============================================ */
.how-it-works {
  padding: 80px 0;
  background: var(--white);
}

/* ============================================
   ACCORDION
   ============================================ */
.accordion-list, .faq-list, .science-accordion {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.accordion-item:hover { box-shadow: var(--shadow); }

.accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(15px, 2vw, 17px);
  color: var(--dark);
  text-align: left;
  min-height: 64px;
  transition: background 0.2s;
}

.accordion-btn:hover { background: rgba(30,64,175,0.05); }

.accordion-btn.active { background: rgba(30,64,175,0.08); color: var(--primary); }

.acc-icon { font-size: 22px; flex-shrink: 0; }

.acc-arrow {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-light);
  transition: transform 0.3s;
  flex-shrink: 0;
}

.accordion-btn.active .acc-arrow { transform: rotate(180deg); color: var(--primary); }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding 0.3s;
  padding: 0 24px;
}

.accordion-body.open {
  max-height: 500px;
  padding: 0 24px 24px;
}

.accordion-body p {
  font-size: 15px;
  color: var(--text);
  line-height: 1.75;
}

.accordion-body p strong { color: var(--primary); }

.accordion-body em { color: var(--text-light); font-style: italic; }

/* ============================================
   SECTION 6: REVIEWS
   ============================================ */
.reviews {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f6ff 0%, #e0effe 100%);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.review-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
}

.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.reviewer-img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--light-blue);
}

.review-header strong {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
}

.review-header span { font-size: 13px; color: var(--text-light); }

.stars { font-size: 18px; margin-bottom: 12px; }

.review-card p { font-size: 15px; color: var(--text); line-height: 1.7; margin-bottom: 14px; }

.verified { font-size: 12px; color: #10b981; font-weight: 600; }

.reviews-star-img {
  text-align: center;
}

.reviews-star-img img { max-width: 220px; margin: 0 auto 12px; }

.reviews-star-img p { font-size: 15px; color: var(--text); }

/* ============================================
   SECTION 7 & 13: PRICING
   ============================================ */
.pricing {
  padding: 80px 0;
  background: var(--dark);
}

.pricing-2 { background: linear-gradient(135deg, #1e3a8a 0%, #0f172a 100%); }

.pricing .section-title { color: #fff; }
.pricing .section-sub { color: rgba(255,255,255,0.75); }

.countdown-wrap {
  text-align: center;
  margin-bottom: 48px;
}

.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  margin-bottom: 16px;
}

.countdown {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 20px;
  padding: 20px 40px;
  backdrop-filter: blur(8px);
}

.time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 70px;
}

.time-block span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(36px, 6vw, 56px);
  color: var(--gold);
  line-height: 1;
}

.time-block small {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  letter-spacing: 2px;
  margin-top: 4px;
}

.time-sep {
  font-size: 40px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
  padding-bottom: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.price-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  transition: transform 0.3s, box-shadow 0.3s;
}

.price-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,0,0,0.25); }

.price-popular {
  background: linear-gradient(145deg, #1e3a8a, #1E40AF);
  color: #fff;
  transform: scale(1.05);
  border: 3px solid var(--gold);
}

.price-popular:hover { transform: scale(1.08) translateY(-8px); }

.popular-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(245,158,11,0.5);
}

.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--text-light);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.price-popular .price-label { color: rgba(255,255,255,0.7); }

.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(20px, 3vw, 28px);
  color: var(--dark);
  margin-bottom: 4px;
}

.price-popular .price-bottles { color: #fff; }

.price-supply {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 20px;
}

.price-popular .price-supply { color: rgba(255,255,255,0.7); }

.price-card > img {
  max-width: 150px;
  margin: 0 auto 20px;
}

.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 4px;
}

.price-popular .price-amount { color: #fff; }

.price-amount strong { color: var(--primary); font-size: 1.2em; }
.price-popular .price-amount strong { color: var(--gold); }

.strike {
  text-decoration: line-through;
  color: var(--text-light);
  font-size: 0.8em;
  font-weight: 400;
}

.price-per {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 16px;
}

.price-popular .price-per { color: rgba(255,255,255,0.8); }

.price-badges {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.price-badge {
  display: inline-block;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 50px;
}

.btn-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 24px;
  border-radius: 50px;
  min-height: 54px;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 6px 20px rgba(30,64,175,0.35);
  margin-bottom: 16px;
  cursor: pointer;
  border: none;
}

.btn-price img { height: 24px; width: auto; }

.btn-price:hover { transform: scale(1.05); box-shadow: 0 10px 32px rgba(30,64,175,0.5); }
.btn-price:active { transform: scale(0.98); }

.btn-price-hot {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 6px 20px rgba(245,158,11,0.4);
}

.btn-price-hot:hover { box-shadow: 0 10px 32px rgba(245,158,11,0.6); }

.payment-icons { max-width: 200px; margin: 0 auto; opacity: 0.8; }

.pricing-stars { text-align: center; margin-top: 40px; }
.pricing-stars img { max-width: 200px; margin: 0 auto; }

/* ============================================
   SECTION 8: BONUS
   ============================================ */
.bonus {
  padding: 80px 0;
  background: linear-gradient(135deg, #fefce8 0%, #fef3c7 100%);
}

.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.bonus-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 2px solid var(--gold);
  transition: transform 0.3s, box-shadow 0.3s;
}

.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.bonus-num {
  display: inline-block;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.bonus-card img {
  max-width: 180px;
  margin: 0 auto 20px;
  border-radius: 12px;
}

.bonus-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: var(--dark);
  margin-bottom: 12px;
}

.bonus-card p { font-size: 15px; color: var(--text); line-height: 1.6; }

/* ============================================
   SECTION 9: INGREDIENTS
   ============================================ */
.ingredients {
  padding: 80px 0;
  background: var(--white);
}

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.ingredient-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}

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

.ing-icon { font-size: 32px; margin-bottom: 14px; }

.ingredient-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 10px;
}

.ingredient-card p { font-size: 14px; color: var(--text); line-height: 1.65; }

.ingredient-card strong { color: var(--primary-dark); }

/* ============================================
   SECTION 10: SCIENCE
   ============================================ */
.science {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f6ff 0%, #e0effe 100%);
}

.science-disclaimer {
  max-width: 860px;
  margin: 32px auto 0;
  background: rgba(255,255,255,0.8);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
}

.science-disclaimer p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ============================================
   SECTION 11: GUARANTEE
   ============================================ */
.guarantee {
  padding: 80px 0;
  background: var(--white);
}

.guarantee-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}

.guarantee-image img {
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 12px 32px rgba(30,64,175,0.2));
}

.guarantee-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 3.5vw, 36px);
  color: var(--dark);
  margin-bottom: 16px;
}

.guarantee-lead {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 28px;
  font-style: italic;
}

.guarantee-points { display: flex; flex-direction: column; gap: 24px; margin-bottom: 32px; }

.g-point {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.g-icon { font-size: 28px; flex-shrink: 0; }

.g-point h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 6px;
}

.g-point p { font-size: 14px; color: var(--text); line-height: 1.65; }

/* ============================================
   SECTION 12: BENEFITS
   ============================================ */
.benefits {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
}

.benefits .section-title { color: #fff; }
.benefits .section-sub { color: rgba(255,255,255,0.75); }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 20px;
  backdrop-filter: blur(8px);
  transition: background 0.3s, transform 0.3s;
}

.benefit-item:hover { background: rgba(255,255,255,0.13); transform: translateX(6px); }

.benefit-icon { font-size: 28px; flex-shrink: 0; }

.benefit-item h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  margin-bottom: 6px;
}

.benefit-item p { font-size: 14px; color: rgba(255,255,255,0.75); line-height: 1.6; }

.benefit-item strong { color: var(--light-blue); }

/* ============================================
   SECTION 14: FAQ
   ============================================ */
.faq {
  padding: 80px 0;
  background: var(--white);
}

/* ============================================
   SECTION 15: FINAL CTA
   ============================================ */
.final-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #f0f6ff, #e0effe);
  position: relative;
  overflow: hidden;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%231E40AF' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.final-bottles {
  max-width: 360px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(30,64,175,0.25));
  animation: bottle-float 4s ease-in-out infinite;
}

.final-badge {
  display: inline-block;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  animation: badge-bounce 2s ease-in-out infinite;
}

.final-cta-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 3.5vw, 38px);
  color: var(--dark);
  margin-bottom: 20px;
  line-height: 1.2;
}

.final-price {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.final-old {
  font-size: 16px;
  color: var(--text-light);
}

.final-new {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 4vw, 42px);
  color: var(--primary);
}

.final-desc {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 28px;
  line-height: 1.7;
}

.final-trust {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 16px;
  font-size: 14px;
  color: var(--text-light);
  font-weight: 600;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand img { width: 50px; height: 50px; border-radius: 10px; object-fit: cover; margin-bottom: 12px; }

.footer-brand h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 20px; }

.social-links { display: flex; gap: 12px; }

.social-icon {
  font-size: 22px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  transition: background 0.2s, transform 0.2s;
}

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

.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links-col ul { display: flex; flex-direction: column; gap: 10px; }

.footer-links-col a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}

.footer-links-col a:hover { color: var(--light-blue); }

.footer-legal-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.legal-link { font-size: 14px; color: rgba(255,255,255,0.65); transition: color 0.2s; }
.legal-link:hover { color: var(--light-blue); }

.link-separator { color: rgba(255,255,255,0.3); align-self: center; }

.footer-disclaimer {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-disclaimer p { font-size: 12px; color: rgba(255,255,255,0.5); line-height: 1.7; }

.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.footer-bottom a { color: var(--light-blue); }

/* ============================================
   PURCHASE NOTIFICATION POPUP
   ============================================ */
.purchase-popup {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  z-index: 999;
  transform: translateX(-200%);
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
  max-width: 300px;
}

.purchase-popup.show { transform: translateX(0); }

.popup-avatar { font-size: 32px; }

.popup-text { flex: 1; font-size: 14px; color: var(--text); line-height: 1.4; }

.popup-text strong { color: var(--primary); font-family: 'Montserrat', sans-serif; }

.popup-text small { color: var(--text-light); font-size: 12px; }

.popup-close {
  background: none;
  border: none;
  font-size: 16px;
  cursor: pointer;
  color: var(--text-light);
  padding: 4px;
  min-width: 28px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.2s;
}

.popup-close:hover { background: var(--off-white); }

/* ============================================
   EXIT POPUP
   ============================================ */
.exit-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 1998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.exit-overlay.show { opacity: 1; pointer-events: all; }

.exit-popup {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.85);
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  max-width: 480px;
  width: calc(100% - 40px);
  z-index: 1999;
  text-align: center;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.3s, opacity 0.3s;
}

.exit-popup.show { transform: translate(-50%, -50%) scale(1); opacity: 1; pointer-events: all; }

.exit-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--off-white);
  border: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: background 0.2s;
  min-width: 36px;
}

.exit-close:hover { background: var(--border); }

.exit-icon { font-size: 52px; margin-bottom: 16px; }

.exit-content h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--dark);
  margin-bottom: 12px;
}

.exit-content p { font-size: 16px; color: var(--text); margin-bottom: 24px; line-height: 1.6; }

.exit-content p strong { color: var(--primary); }

.exit-cta { width: 100%; display: flex; justify-content: center; font-size: 17px; padding: 16px 24px; }

.exit-skip {
  display: block;
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-light);
  text-decoration: underline;
  cursor: pointer;
  transition: color 0.2s;
}

.exit-skip:hover { color: var(--primary); }

/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(30,64,175,0.4);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  min-width: 56px;
}

.scroll-top.show { opacity: 1; pointer-events: all; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-3px); box-shadow: 0 10px 32px rgba(30,64,175,0.5); }

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.16,1,0.3,1), transform 0.6s cubic-bezier(0.16,1,0.3,1);
  transition-delay: var(--delay, 0s);
}

.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-up.revealed, .reveal-left.revealed, .reveal-right.revealed {
  opacity: 1;
  transform: none;
}

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  /* NAV */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(300px, 80vw);
    background: var(--white);
    flex-direction: column;
    padding: 80px 24px 24px;
    gap: 8px;
    box-shadow: -8px 0 40px rgba(0,0,0,0.15);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.16,1,0.3,1);
    z-index: 999;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 17px; padding: 14px 20px; border-radius: 12px; }
  .nav-cta-btn { font-size: 17px; padding: 14px 24px; min-height: 52px; width: 100%; justify-content: center; display: flex; }

  /* HERO */
  .hero { padding: 90px 0 60px; }
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; }
  .hero-bottle { max-width: 220px; }
  .hero-glow { width: 240px; height: 240px; }
  .hero-stats { gap: 16px; }
  .hero-cta { width: 100%; font-size: 16px; padding: 18px 24px; }

  /* SECTIONS */
  .what-is-container { grid-template-columns: 1fr; }
  .what-is-image { order: 1; }
  .what-is-content { order: 2; }
  .what-is-badge { font-size: 11px; }

  .guarantee-container { grid-template-columns: 1fr; }
  .guarantee-image { order: 1; }
  .guarantee-content { order: 2; }

  .final-cta-container { grid-template-columns: 1fr; }
  .final-cta-content .btn-primary { width: 100%; }
  .final-trust { gap: 10px; font-size: 13px; }

  /* REVIEWS */
  .reviews-grid { grid-template-columns: 1fr; }

  /* PRICING */
  .pricing-grid { grid-template-columns: 1fr; }
  .price-popular { transform: scale(1); }
  .price-popular:hover { transform: translateY(-8px); }

  /* BADGES / INGREDIENTS */
  .badges-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }

  /* BONUS */
  .bonus-grid { grid-template-columns: 1fr; }

  /* FOOTER */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand { grid-column: auto; }

  /* POPUPS */
  .purchase-popup { max-width: calc(100vw - 48px); bottom: 16px; left: 16px; }
  .exit-popup { padding: 32px 24px; }
  .scroll-top { bottom: 20px; right: 20px; }
}

@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .hero { padding: 80px 0 48px; }
  .why-choose, .what-is, .how-it-works, .reviews, .pricing,
  .bonus, .ingredients, .science, .guarantee, .benefits,
  .final-cta, .faq { padding: 60px 0; }

  .countdown { padding: 16px 24px; gap: 8px; }
  .time-block { min-width: 56px; }
  .time-sep { font-size: 32px; }

  .btn-price { font-size: 15px; padding: 14px 20px; }
  .final-trust { flex-direction: column; gap: 8px; }
}

/* Prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-bottle, .hero-glow, .hero-badge-float, .final-badge, .pulse-btn { animation: none !important; }
}