/* =============================================
   NEURO SHARP - styles.css
   Design: Medical Premium + Futuristic Neural
   Color palette: Deep Navy, Cyan, Electric Blue
   Fonts: Montserrat (headings) + Open Sans (body)
   ============================================= */

/* === 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;
  background: #050d1f;
  color: #e2e8f0;
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-size: 16px; }

/* === CSS VARIABLES === */
:root {
  --primary: #00c6ff;
  --primary-dark: #0072ff;
  --accent: #f59e0b;
  --gold: #d4af37;
  --navy: #050d1f;
  --navy-mid: #0a1628;
  --navy-card: #0d1f3c;
  --navy-border: #1a3a6c;
  --text-light: #e2e8f0;
  --text-muted: #94a3b8;
  --green: #10b981;
  --red-strike: #ef4444;
  --gradient: linear-gradient(135deg, #0072ff 0%, #00c6ff 100%);
  --gradient-hero: linear-gradient(135deg, #050d1f 0%, #0a1628 50%, #0d2045 100%);
  --shadow-glow: 0 0 40px rgba(0, 198, 255, 0.25);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s ease;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(24px, 5vw, 52px); }
h2 { font-size: clamp(22px, 4vw, 40px); }
h3 { font-size: clamp(18px, 2.5vw, 22px); }
h2 span { color: var(--primary); }
p { line-height: 1.8; }

/* === UTILITY === */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-sub { text-align: center; color: var(--text-muted); font-size: 1.05rem; margin-top: -10px; margin-bottom: 40px; }

/* === BUTTONS === */
.btn-hero, .btn-nav-cta, .btn-price, .btn-secondary, .btn-final, .mobile-cta {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  border-radius: 50px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  display: inline-block;
  text-align: center;
  min-height: 48px;
  align-items: center;
  justify-content: center;
}
.btn-hero {
  background: var(--gradient);
  color: #fff;
  padding: 18px 40px;
  font-size: 1.15rem;
  display: block;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-glow);
  animation: pulse-glow 2.5s infinite;
}
.btn-hero:hover, .btn-hero:focus { transform: scale(1.05); box-shadow: 0 0 60px rgba(0,198,255,0.45); }
.btn-hero:active { transform: scale(0.98); }

.btn-nav-cta {
  background: var(--gradient);
  color: #fff;
  padding: 10px 22px;
  font-size: 0.9rem;
  border-radius: 50px;
}
.btn-nav-cta:hover { transform: scale(1.05); box-shadow: var(--shadow-glow); }

.btn-secondary {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  padding: 14px 32px;
  font-size: 1rem;
  margin-top: 16px;
  display: inline-flex;
}
.btn-secondary:hover { background: var(--primary); color: #000; transform: scale(1.04); }

.btn-price {
  background: var(--gradient);
  color: #fff;
  padding: 14px 24px;
  font-size: 1rem;
  width: 100%;
  display: block;
  border-radius: 50px;
  margin: 14px 0 10px;
  box-shadow: 0 4px 16px rgba(0,198,255,0.3);
}
.btn-price:hover { transform: scale(1.05); box-shadow: var(--shadow-glow); }
.btn-price-popular { background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%); }

.btn-final {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  color: #fff;
  padding: 20px 50px;
  font-size: 1.2rem;
  display: inline-block;
  border-radius: 50px;
  box-shadow: 0 6px 32px rgba(245,158,11,0.4);
  animation: pulse-orange 2.5s infinite;
}
.btn-final:hover { transform: scale(1.05); box-shadow: 0 8px 48px rgba(245,158,11,0.6); }

/* === ANIMATIONS === */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(0,198,255,0.3), 0 4px 20px rgba(0,198,255,0.2); }
  50% { box-shadow: 0 0 50px rgba(0,198,255,0.6), 0 4px 30px rgba(0,198,255,0.4); }
}
@keyframes pulse-orange {
  0%, 100% { box-shadow: 0 4px 20px rgba(245,158,11,0.35); }
  50% { box-shadow: 0 6px 40px rgba(245,158,11,0.65); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-18px); }
}
@keyframes floatBadge {
  0%, 100% { transform: translateY(0px) rotate(-4deg); }
  50% { transform: translateY(-8px) rotate(-4deg); }
}
@keyframes particleFloat {
  0% { transform: translateY(0) scale(1); opacity: 0.6; }
  100% { transform: translateY(-100vh) scale(0); opacity: 0; }
}
@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(60px); }
  to { opacity: 1; transform: translateX(0); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes glow-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes revealUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-left { animation: fadeInLeft 1s ease forwards; }
.fade-in-right { animation: fadeInRight 1s ease 0.2s forwards; opacity: 0; }

/* Intersection Observer classes */
.reveal-up { opacity: 0; transform: translateY(40px); transition: opacity 0.7s ease calc(var(--delay, 0s)), transform 0.7s ease calc(var(--delay, 0s)); }
.reveal-up.visible { opacity: 1; transform: translateY(0); }

/* === NAVIGATION === */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(5, 13, 31, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--navy-border);
  transition: all var(--transition);
}
.navbar.scrolled { background: rgba(5, 13, 31, 0.99); box-shadow: 0 2px 30px rgba(0,0,0,0.5); }
.nav-container {
  max-width: 1200px; margin: 0 auto;
  padding: 14px 20px;
  display: flex; align-items: center; gap: 30px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Montserrat', sans-serif; font-weight: 800;
  font-size: 1.3rem; color: #fff;
  flex-shrink: 0;
}
.logo-icon { font-size: 1.6rem; }
.logo-text strong { color: var(--primary); }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-link { color: var(--text-muted); font-size: 0.95rem; font-weight: 600; font-family: 'Montserrat', sans-serif; transition: color var(--transition); }
.nav-link:hover { color: var(--primary); }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.hamburger span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all var(--transition); display: block; }
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none; flex-direction: column; gap: 0;
  background: var(--navy-mid); border-top: 1px solid var(--navy-border);
  overflow: hidden; max-height: 0; transition: max-height 0.4s ease;
}
.mobile-menu.open { display: flex; max-height: 400px; }
.mobile-link {
  padding: 16px 24px; color: var(--text-light);
  font-family: 'Montserrat', sans-serif; font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background var(--transition);
}
.mobile-link:hover { background: var(--navy-card); color: var(--primary); }
.mobile-cta {
  display: block; text-align: center;
  background: var(--gradient); color: #fff !important;
  padding: 16px 24px; font-weight: 700;
  font-family: 'Montserrat', sans-serif;
}

/* === HERO === */
.hero {
  min-height: 100vh; padding: 120px 0 80px;
  background: var(--gradient-hero);
  position: relative; overflow: hidden;
  display: flex; align-items: center;
}
.hero-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-particles span {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,255,0.4), transparent);
  animation: particleFloat linear infinite;
}
.hero-particles span:nth-child(1) { width: 6px; height: 6px; left: 10%; bottom: -10px; animation-duration: 12s; animation-delay: 0s; }
.hero-particles span:nth-child(2) { width: 10px; height: 10px; left: 25%; bottom: -10px; animation-duration: 18s; animation-delay: 2s; }
.hero-particles span:nth-child(3) { width: 4px; height: 4px; left: 40%; bottom: -10px; animation-duration: 14s; animation-delay: 4s; }
.hero-particles span:nth-child(4) { width: 8px; height: 8px; left: 55%; bottom: -10px; animation-duration: 20s; animation-delay: 1s; }
.hero-particles span:nth-child(5) { width: 5px; height: 5px; left: 70%; bottom: -10px; animation-duration: 15s; animation-delay: 3s; }
.hero-particles span:nth-child(6) { width: 7px; height: 7px; left: 82%; bottom: -10px; animation-duration: 16s; animation-delay: 5s; }
.hero-particles span:nth-child(7) { width: 3px; height: 3px; left: 15%; bottom: -10px; animation-duration: 13s; animation-delay: 7s; }
.hero-particles span:nth-child(8) { width: 9px; height: 9px; left: 60%; bottom: -10px; animation-duration: 22s; animation-delay: 6s; }
.hero-particles span:nth-child(9) { width: 5px; height: 5px; left: 90%; bottom: -10px; animation-duration: 17s; animation-delay: 8s; }
.hero-particles span:nth-child(10) { width: 6px; height: 6px; left: 35%; bottom: -10px; animation-duration: 19s; animation-delay: 9s; }

.hero-container {
  max-width: 1200px; margin: 0 auto; padding: 0 20px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
  position: relative; z-index: 2;
}
.hero-image-wrap {
  position: relative; display: flex; justify-content: center; align-items: center;
}
.hero-glow {
  position: absolute; width: 350px; height: 350px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,255,0.2) 0%, transparent 70%);
  animation: glow-rotate 8s linear infinite;
}
.hero-bottle {
  max-width: 320px; width: 100%;
  animation: float 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0,198,255,0.35));
  position: relative; z-index: 2;
}
.hero-badge {
  position: absolute; background: var(--gradient); color: #fff;
  border-radius: 50px; padding: 8px 16px; font-size: 0.8rem;
  font-family: 'Montserrat', sans-serif; font-weight: 700;
  white-space: nowrap; z-index: 3;
  animation: floatBadge 3s ease-in-out infinite;
}
.hero-badge-1 { top: 15%; right: 5%; animation-delay: 0s; }
.hero-badge-2 { top: 50%; left: 0%; animation-delay: 0.8s; background: linear-gradient(135deg, #f59e0b, #ef4444); }
.hero-badge-3 { bottom: 15%; right: 8%; animation-delay: 1.6s; background: linear-gradient(135deg, #10b981, #059669); }

.hero-content { display: flex; flex-direction: column; gap: 20px; }
.hero-tag {
  display: inline-flex; align-items: center;
  background: rgba(0,198,255,0.1); border: 1px solid rgba(0,198,255,0.3);
  border-radius: 50px; padding: 8px 20px;
  font-size: 0.85rem; font-weight: 700; color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  width: fit-content;
}
.hero-content h1 { color: #fff; margin: 0; }
.hero-highlight {
  background: var(--gradient); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-content p { color: var(--text-muted); font-size: 1rem; }
.hero-stars { display: flex; align-items: center; gap: 10px; color: var(--accent); font-size: 1.1rem; }
.hero-stars strong { color: #fff; }
.hero-stars span + * { color: var(--text-muted); font-size: 0.9rem; }
.hero-trust { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; }
.hero-trust span { display: flex; align-items: center; gap: 5px; }

/* === WHY CHOOSE US === */
.why-us {
  padding: 90px 0;
  background: var(--navy-mid);
}
.why-us h2 { text-align: center; margin-bottom: 12px; }
.why-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  margin-top: 48px;
}
.why-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
}
.why-card-icon {
  width: 80px; height: 80px; margin: 0 auto 20px;
  border-radius: 50%; overflow: hidden;
  background: rgba(0,198,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.5rem;
}
.why-card-icon img { width: 100%; height: 100%; object-fit: cover; }
.icon-fallback { width: 100%; height: 100%; font-size: 2.2rem; display: flex; align-items: center; justify-content: center; }
.why-card h3 { color: var(--primary); font-size: 0.9rem; letter-spacing: 0.5px; margin-bottom: 12px; }
.why-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

/* === WHAT IS === */
.what-is { padding: 90px 0; background: var(--navy); }
.what-is-grid {
  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); box-shadow: var(--shadow-glow); max-width: 400px; margin: 0 auto; }
.what-is-badge {
  position: absolute; bottom: 20px; right: 0;
  background: var(--gradient); color: #fff;
  padding: 10px 20px; border-radius: 50px;
  font-weight: 700; font-family: 'Montserrat', sans-serif; font-size: 0.85rem;
}
.what-is-content h2 { margin-bottom: 24px; }
.what-is-content p { color: var(--text-muted); margin-bottom: 16px; font-size: 0.98rem; }

/* === HOW IT WORKS === */
.how-it-works {
  padding: 90px 0;
  background: linear-gradient(180deg, var(--navy-mid) 0%, var(--navy) 100%);
}
.how-it-works h2 { text-align: center; margin-bottom: 12px; }
.accordion-list { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius-sm); overflow: hidden;
  transition: border-color var(--transition);
}
.accordion-item.open { border-color: var(--primary); }
.accordion-header {
  width: 100%; padding: 18px 22px;
  display: flex; align-items: center; gap: 14px;
  color: #fff; font-family: 'Montserrat', sans-serif;
  font-weight: 700; font-size: 1rem; text-align: left;
  min-height: 60px; cursor: pointer;
  transition: background var(--transition);
}
.accordion-header:hover { background: rgba(0,198,255,0.05); }
.acc-icon { font-size: 1.3rem; flex-shrink: 0; }
.acc-arrow { margin-left: auto; transition: transform var(--transition); color: var(--primary); }
.accordion-item.open .acc-arrow { transform: rotate(180deg); }
.accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 22px;
}
.accordion-item.open .accordion-body { max-height: 300px; padding: 0 22px 20px; }
.accordion-body p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.8; }

/* === REVIEWS === */
.reviews { padding: 90px 0; background: var(--navy-mid); }
.reviews h2 { text-align: center; margin-bottom: 12px; }
.reviews-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  margin-top: 48px;
}
.review-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); }
.review-header { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.review-avatar {
  width: 60px; height: 60px; border-radius: 50%;
  border: 3px solid var(--primary); object-fit: cover; flex-shrink: 0;
}
.review-name { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; color: #fff; }
.review-location { font-size: 0.82rem; color: var(--text-muted); }
.review-stars { font-size: 0.85rem; margin-top: 2px; }
.review-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }
.review-verified { display: inline-block; margin-top: 12px; font-size: 0.8rem; color: var(--green); }
.reviews-rating-img { text-align: center; margin-top: 40px; }
.reviews-rating-img img { margin: 0 auto; max-width: 280px; }
.reviews-rating-img span { display: block; text-align: center; margin-top: 8px; color: var(--text-muted); }

/* === PRICING === */
.pricing { padding: 90px 0; background: var(--navy); }
.pricing h2 { text-align: center; margin-bottom: 12px; }
.pricing-second { background: var(--navy-mid); }
.countdown-wrap {
  display: flex; align-items: center; justify-content: center;
  gap: 20px; margin: 20px 0 40px; flex-wrap: wrap;
}
.countdown-label { font-family: 'Montserrat', sans-serif; font-weight: 700; color: #fff; font-size: 1rem; }
.countdown { display: flex; align-items: center; gap: 10px; }
.cd-block {
  background: var(--gradient);
  border-radius: var(--radius-sm); padding: 12px 18px; text-align: center;
  min-width: 64px;
}
.cd-block span { display: block; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2rem; color: #fff; line-height: 1; }
.cd-block small { font-size: 0.7rem; color: rgba(255,255,255,0.7); letter-spacing: 1px; }
.cd-sep { font-size: 2rem; font-weight: 900; color: var(--primary); }

.pricing-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px;
  align-items: start;
}
.price-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 30px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); }
.price-card-popular {
  background: linear-gradient(135deg, #0d2045 0%, #0a1628 100%);
  border: 2px solid var(--primary);
  transform: scale(1.04);
  box-shadow: var(--shadow-glow);
}
.popular-badge {
  position: absolute; top: -16px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff; padding: 6px 20px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 800; font-family: 'Montserrat', sans-serif;
  white-space: nowrap;
}
.price-label { font-family: 'Montserrat', sans-serif; font-weight: 900; color: var(--primary); font-size: 0.85rem; letter-spacing: 2px; margin-bottom: 6px; }
.price-bottles { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.5rem; color: #fff; }
.price-supply { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 16px; }
.price-img { max-width: 140px; margin: 0 auto 16px; }
.price-amount { font-size: 2rem; font-family: 'Montserrat', sans-serif; font-weight: 900; color: #fff; }
.price-strike { font-size: 1rem; color: var(--red-strike); text-decoration: line-through; margin-right: 8px; }
.per-bottle { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 10px; }
.price-bonus-badges { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; }
.bonus-badge {
  background: rgba(0,198,255,0.1); border: 1px solid rgba(0,198,255,0.3);
  color: var(--primary); padding: 5px 12px; border-radius: 50px;
  font-size: 0.8rem; font-weight: 700; font-family: 'Montserrat', sans-serif;
  display: inline-block;
}
.payment-logos { max-width: 160px; margin: 8px auto 0; filter: brightness(0.7); }
.pricing-stars { text-align: center; margin-top: 36px; }
.pricing-stars img { max-width: 220px; margin: 0 auto 8px; }
.pricing-stars span { color: var(--text-muted); font-size: 0.9rem; }

/* === BONUSES === */
.bonuses { padding: 90px 0; background: linear-gradient(135deg, #0a1628 0%, #0d2045 100%); }
.bonuses h2 { text-align: center; margin-bottom: 12px; }
.bonus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 48px; }
.bonus-card {
  background: var(--navy-card); border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 32px 28px; text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); }
.bonus-card img { max-width: 200px; margin: 0 auto 20px; border-radius: var(--radius-sm); }
.bonus-tag {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #fff; padding: 5px 16px; border-radius: 50px;
  font-size: 0.78rem; font-weight: 800; font-family: 'Montserrat', sans-serif;
  display: inline-block; margin-bottom: 12px;
}
.bonus-card h3 { color: #fff; margin-bottom: 12px; }
.bonus-card p { color: var(--text-muted); font-size: 0.93rem; }

/* === INGREDIENTS === */
.ingredients { padding: 90px 0; background: var(--navy); }
.ingredients h2 { text-align: center; margin-bottom: 12px; }
.ingredients-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px;
}
.ingredient-card {
  background: var(--navy-card); border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 26px 22px;
  transition: transform var(--transition), border-color var(--transition);
}
.ingredient-card:hover { transform: translateY(-4px); border-color: var(--primary); }
.ing-icon { font-size: 2rem; margin-bottom: 12px; }
.ingredient-card h3 { color: var(--primary); font-size: 1rem; margin-bottom: 10px; }
.ingredient-card p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }

/* === SCIENCE === */
.science { padding: 90px 0; background: var(--navy-mid); }
.science h2 { text-align: center; margin-bottom: 12px; }
.science-list { margin-top: 48px; display: flex; flex-direction: column; gap: 24px; }
.science-item {
  display: flex; gap: 24px; align-items: flex-start;
  background: var(--navy-card); border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 28px 24px;
  transition: border-color var(--transition);
}
.science-item:hover { border-color: var(--primary); }
.sci-num {
  font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2.5rem;
  color: rgba(0,198,255,0.2); line-height: 1; flex-shrink: 0;
  min-width: 50px;
}
.sci-content h3 { color: #fff; margin-bottom: 10px; font-size: 1.05rem; }
.sci-content p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.8; }

/* === GUARANTEE === */
.guarantee { padding: 90px 0; background: var(--navy); }
.guarantee-grid { display: grid; grid-template-columns: 350px 1fr; gap: 60px; align-items: center; }
.guarantee-image img { max-width: 300px; margin: 0 auto; filter: drop-shadow(0 12px 32px rgba(0,198,255,0.2)); }
.guarantee-content h2 { margin-bottom: 32px; }
.guarantee-point { display: flex; gap: 20px; margin-bottom: 24px; }
.g-icon {
  font-size: 2rem; width: 56px; height: 56px;
  background: rgba(0,198,255,0.1); border: 1px solid rgba(0,198,255,0.3);
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.guarantee-point h3 { color: #fff; margin-bottom: 6px; font-size: 1rem; }
.guarantee-point p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

/* === BENEFITS === */
.benefits { padding: 90px 0; background: var(--navy-mid); }
.benefits h2 { text-align: center; margin-bottom: 12px; }
.benefits-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px;
}
.benefit-item {
  display: flex; gap: 16px;
  background: var(--navy-card); border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 22px 20px;
  transition: transform var(--transition), border-color var(--transition);
}
.benefit-item:hover { transform: translateX(6px); border-color: var(--primary); }
.benefit-check { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.benefit-item h3 { color: #fff; font-size: 1rem; margin-bottom: 6px; }
.benefit-item p { color: var(--text-muted); font-size: 0.88rem; line-height: 1.7; }

/* === FAQ === */
.faq { padding: 90px 0; background: var(--navy); }
.faq h2 { text-align: center; margin-bottom: 12px; }
.faq-list { margin-top: 48px; display: flex; flex-direction: column; gap: 12px; max-width: 800px; margin-left: auto; margin-right: auto; }
.faq-item {
  background: var(--navy-card); border: 1px solid var(--navy-border);
  border-radius: var(--radius-sm); overflow: hidden;
}
.faq-item.open { border-color: var(--primary); }
.faq-header {
  width: 100%; padding: 18px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  color: #fff; font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 0.97rem; text-align: left; min-height: 58px; cursor: pointer;
  transition: background var(--transition);
}
.faq-header:hover { background: rgba(0,198,255,0.05); }
.faq-arrow { color: var(--primary); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 22px;
}
.faq-item.open .faq-body { max-height: 250px; padding: 0 22px 20px; }
.faq-body p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.8; }

/* === FINAL CTA === */
.final-cta {
  padding: 100px 0;
  background: radial-gradient(ellipse at center, #0d2045 0%, var(--navy) 70%);
  position: relative; overflow: hidden;
}
.final-cta::before {
  content: '';
  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='%2300c6ff' fill-opacity='0.02'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.final-cta-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 2;
}
.final-cta-image { position: relative; text-align: center; }
.final-cta-image img { max-width: 360px; margin: 0 auto; animation: float 4s ease-in-out infinite; filter: drop-shadow(0 24px 48px rgba(0,198,255,0.4)); }
.final-glow {
  position: absolute; inset: -40px; border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.final-tag {
  display: inline-block;
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff; padding: 8px 22px; border-radius: 50px;
  font-size: 0.82rem; font-weight: 800; font-family: 'Montserrat', sans-serif;
  margin-bottom: 20px; letter-spacing: 0.5px;
}
.final-cta-content h2 { margin-bottom: 18px; }
.final-cta-content h2 span { color: var(--accent); -webkit-text-fill-color: initial; }
.final-cta-content p { color: var(--text-muted); margin-bottom: 24px; }
.final-price { margin-bottom: 28px; }
.final-regular { display: block; color: var(--text-muted); font-size: 1rem; margin-bottom: 6px; }
.final-special {
  display: block; font-family: 'Montserrat', sans-serif; font-weight: 900;
  font-size: 1.8rem; color: #fff;
}
.final-special strong { color: var(--accent); font-size: 2.2rem; }
.final-trust { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 16px; font-size: 0.85rem; color: var(--text-muted); }
.final-trust span { display: flex; align-items: center; gap: 5px; }

/* === FOOTER === */
.footer { background: #02081a; border-top: 1px solid var(--navy-border); padding: 60px 0 30px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand { }
.footer-logo { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.4rem; color: #fff; display: block; margin-bottom: 16px; }
.footer-logo strong { color: var(--primary); }
.footer-brand p { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.social-link { font-size: 1.4rem; opacity: 0.7; transition: opacity var(--transition); }
.social-link:hover { opacity: 1; }
.footer-links h4 { font-family: 'Montserrat', sans-serif; color: #fff; margin-bottom: 16px; font-size: 0.95rem; }
.footer-links a { display: block; color: var(--text-muted); font-size: 0.88rem; margin-bottom: 10px; transition: color var(--transition); }
.footer-links a:hover { color: var(--primary); }
.footer-legal-links { display: flex; flex-direction: column; gap: 8px; }
.link-separator { display: none; }
.footer-disclaimer {
  border-top: 1px solid var(--navy-border); border-bottom: 1px solid var(--navy-border);
  padding: 24px 0; margin-bottom: 24px;
}
.footer-disclaimer p { color: var(--text-muted); font-size: 0.82rem; line-height: 1.8; }
.footer-bottom { text-align: center; }
.footer-bottom p { color: var(--text-muted); font-size: 0.85rem; }
.footer-bottom a { color: var(--primary); }

/* === SCROLL TO TOP === */
.scroll-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 52px; height: 52px;
  background: var(--gradient); color: #fff;
  border-radius: 50%; font-size: 1.2rem; font-weight: 900;
  display: none; align-items: center; justify-content: center;
  box-shadow: var(--shadow-glow); z-index: 999;
  transition: transform var(--transition);
}
.scroll-top.visible { display: flex; }
.scroll-top:hover { transform: scale(1.1) translateY(-3px); }

/* === PURCHASE POPUP === */
.purchase-popup {
  position: fixed; bottom: 24px; left: 20px;
  background: var(--navy-card); border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 14px 16px;
  max-width: 300px; box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 9998; display: none; animation: slideDown 0.4s ease;
}
.purchase-popup.show { display: block; }
.popup-inner { display: flex; align-items: center; gap: 12px; position: relative; }
.popup-img { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.popup-text { font-size: 0.83rem; color: var(--text-muted); flex: 1; }
.popup-text strong { color: #fff; }
.popup-cta {
  background: var(--gradient); color: #fff;
  padding: 6px 14px; border-radius: 50px; font-size: 0.78rem;
  font-weight: 700; font-family: 'Montserrat', sans-serif;
  white-space: nowrap; flex-shrink: 0;
}
.popup-close {
  position: absolute; top: -10px; right: -10px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--navy-border); color: #fff;
  font-size: 0.9rem; display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}

/* === EXIT POPUP === */
.exit-popup-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,0.8); z-index: 10000;
  align-items: center; justify-content: center; padding: 20px;
}
.exit-popup-overlay.show { display: flex; }
.exit-popup-box {
  background: var(--navy-card); border: 1px solid var(--navy-border);
  border-radius: var(--radius); padding: 40px 32px;
  max-width: 460px; width: 100%; text-align: center;
  position: relative; box-shadow: 0 16px 64px rgba(0,0,0,0.7);
  animation: revealUp 0.4s ease;
}
.exit-popup-close {
  position: absolute; top: 16px; right: 16px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--navy-border); color: #fff; font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background var(--transition);
}
.exit-popup-close:hover { background: var(--primary); }
.exit-popup-badge {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff; padding: 6px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 800; display: inline-block; margin-bottom: 16px;
  font-family: 'Montserrat', sans-serif;
}
.exit-popup-box h3 { font-size: 1.5rem; color: #fff; margin-bottom: 12px; }
.exit-popup-box h3 span { color: var(--primary); }
.exit-popup-box p { color: var(--text-muted); margin-bottom: 20px; font-size: 0.95rem; }
.exit-popup-timer {
  font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2.5rem;
  color: var(--accent); margin-bottom: 20px;
}
.exit-popup-cta {
  display: block; background: var(--gradient); color: #fff;
  padding: 16px 32px; border-radius: 50px; font-weight: 700;
  font-family: 'Montserrat', sans-serif; font-size: 1.05rem;
  margin-bottom: 12px; transition: transform var(--transition);
}
.exit-popup-cta:hover { transform: scale(1.04); }
.exit-popup-skip {
  display: block; color: var(--text-muted); font-size: 0.82rem;
  text-decoration: underline; padding: 8px;
}

/* =============================================
   RESPONSIVE — TABLET (768px)
   ============================================= */
@media (max-width: 991px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .btn-nav-cta { display: none; }
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero { padding-top: 90px; min-height: auto; }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; }
  .hero-badge-2 { left: 60%; }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .what-is-grid { grid-template-columns: 1fr; }
  .what-is-image img { max-width: 340px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }
  .price-card-popular { transform: scale(1); }
  .bonus-grid { grid-template-columns: 1fr; max-width: 500px; margin-left: auto; margin-right: auto; }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image img { max-width: 200px; }
  .guarantee-point { text-align: left; }
  .benefits-grid { grid-template-columns: 1fr; }
  .final-cta-inner { grid-template-columns: 1fr; }
  .final-cta-image { order: 1; }
  .final-cta-content { order: 2; text-align: center; }
  .final-trust { justify-content: center; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

/* =============================================
   RESPONSIVE — MOBILE (576px)
   ============================================= */
@media (max-width: 575px) {
  .why-grid { grid-template-columns: 1fr; }
  .hero-badge { display: none; }
  .hero-bottle { max-width: 240px; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .cd-block span { font-size: 1.6rem; }
  .cd-block { min-width: 52px; padding: 10px 14px; }
  .exit-popup-box { padding: 28px 20px; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .purchase-popup { max-width: calc(100vw - 40px); }
  .science-item { flex-direction: column; gap: 12px; }
  .sci-num { font-size: 1.5rem; min-width: auto; }
  .scroll-top { bottom: 16px; right: 16px; }
  h2 { font-size: 1.5rem; }
}

/* =============================================
   REDUCED MOTION
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .hero-bottle { animation: none; }
  .btn-hero { animation: none; }
  .btn-final { animation: none; }
}