/* ============================================================
   NEUVELYS - styles.css
   Design: Modern Medical Professional + Gradient Accents
   Primary: #1E3A8A | Accent: #06B6D4 | Gold: #F59E0B
   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%;
}

body {
  font-family: 'Open Sans', 'Roboto', sans-serif;
  color: #1e293b;
  background: #fff;
  overflow-x: hidden;
  line-height: 1.7;
  -webkit-tap-highlight-color: transparent;
}

* { -webkit-tap-highlight-color: transparent; }

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

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

h1,h2,h3,h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; line-height: 1.2; }

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #1E3A8A;
  --primary-light: #3B82F6;
  --accent: #06B6D4;
  --gold: #F59E0B;
  --green: #10B981;
  --red: #EF4444;
  --text: #1e293b;
  --text-light: #64748b;
  --bg-light: #F0F9FF;
  --bg-section: #F8FAFC;
  --white: #ffffff;
  --border: #E2E8F0;
  --shadow: 0 4px 24px rgba(30,58,138,0.10);
  --shadow-lg: 0 8px 40px rgba(30,58,138,0.16);
  --radius: 16px;
  --radius-sm: 8px;
  --gradient: linear-gradient(135deg, #1E3A8A 0%, #06B6D4 100%);
  --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
}

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

/* ===== SECTION COMMON ===== */
section { padding: 60px 0; }

.section-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-heading {
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 16px;
}

.section-sub {
  color: var(--text-light);
  font-size: 16px;
  max-width: 680px;
  margin: 0 auto 40px;
  text-align: center;
}

.highlight { color: var(--accent); }

/* ===== ANIMATIONS ===== */
@keyframes float {
  0%,100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}

@keyframes floatBadge {
  0%,100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(6,182,212,0.5); }
  70% { box-shadow: 0 0 0 20px rgba(6,182,212,0); }
  100% { box-shadow: 0 0 0 0 rgba(6,182,212,0); }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes particleDrift {
  0% { transform: translateY(0) translateX(0) scale(1); opacity: 0.6; }
  33% { transform: translateY(-30px) translateX(20px) scale(1.1); opacity: 0.8; }
  66% { transform: translateY(-10px) translateX(-15px) scale(0.9); opacity: 0.5; }
  100% { transform: translateY(0) translateX(0) scale(1); opacity: 0.6; }
}

@keyframes countdownPulse {
  0%,100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes heroGlow {
  0%,100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.1); }
}

@keyframes finalParticle {
  0% { transform: translate(0,0) scale(1); opacity:0.4; }
  50% { transform: translate(var(--tx), var(--ty)) scale(1.3); opacity:0.7; }
  100% { transform: translate(0,0) scale(1); opacity:0.4; }
}

/* Fade section on scroll */
.fade-section { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-section.visible { opacity: 1; transform: translateY(0); }

.slide-up { opacity: 0; transform: translateY(40px); transition: opacity 0.6s ease calc(var(--delay, 0s)), transform 0.6s ease calc(var(--delay, 0s)); }
.slide-up.visible { opacity: 1; transform: translateY(0); }

/* ===== PURCHASE POPUP ===== */
.purchase-popup {
  position: fixed;
  bottom: -100px;
  left: 16px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9998;
  border-left: 4px solid var(--green);
  max-width: 320px;
  transition: bottom 0.4s cubic-bezier(.34,1.56,.64,1);
  font-size: 14px;
}
.purchase-popup.show { bottom: 80px; }
.popup-inner { display: flex; align-items: center; gap: 8px; flex: 1; }
.popup-icon { font-size: 22px; }
.popup-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-light); min-width: 28px; min-height: 28px; }

/* ===== EXIT POPUP ===== */
.exit-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.exit-overlay.active { display: flex; }
.exit-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px 28px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
}
.exit-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none; border: none;
  font-size: 26px; cursor: pointer;
  color: var(--text-light);
  min-width: 44px; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
}
.exit-badge {
  display: inline-block;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.exit-box h3 { font-size: 22px; color: var(--primary); margin-bottom: 12px; }
.exit-box p { color: var(--text-light); margin-bottom: 20px; font-size: 15px; }
.exit-cta-btn {
  display: block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 24px;
  border-radius: 50px;
  min-height: 50px;
  transition: transform 0.2s, box-shadow 0.2s;
  margin-bottom: 12px;
}
.exit-cta-btn:hover { transform: scale(1.03); box-shadow: var(--shadow-lg); }
.exit-note { font-size: 12px; color: var(--text-light); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s, background 0.3s;
}
.navbar.scrolled { box-shadow: var(--shadow); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 70px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }
.logo-text { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 20px; color: var(--primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  transition: color 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--accent); }

.nav-cta-btn {
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 22px;
  border-radius: 50px;
  min-height: 44px;
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
  flex-shrink: 0;
}
.nav-cta-btn:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(6,182,212,0.35); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
  margin-left: auto;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}
.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-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 999;
}
.mobile-overlay.active { display: block; }

/* ===== HERO SECTION ===== */
.hero-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #0C4A6E 100%);
  padding: 100px 0 60px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-bg-particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute;
  border-radius: 50%;
  animation: particleDrift 6s ease-in-out infinite;
}
.p1 { width: 80px; height: 80px; background: rgba(6,182,212,0.15); top: 10%; left: 5%; animation-delay: 0s; }
.p2 { width: 50px; height: 50px; background: rgba(245,158,11,0.2); top: 60%; left: 2%; animation-delay: 1.5s; }
.p3 { width: 120px; height: 120px; background: rgba(6,182,212,0.08); top: 20%; right: 8%; animation-delay: 3s; }
.p4 { width: 40px; height: 40px; background: rgba(16,185,129,0.2); bottom: 20%; right: 5%; animation-delay: 2s; }
.p5 { width: 90px; height: 90px; background: rgba(30,58,138,0.3); bottom: 10%; left: 30%; animation-delay: 4s; }

.hero-container {
  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: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(6,182,212,0.4) 0%, transparent 70%);
  border-radius: 50%;
  animation: heroGlow 4s ease-in-out infinite;
}

.hero-bottle {
  width: 100%;
  max-width: 320px;
  animation: float 5s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(6,182,212,0.3));
  position: relative;
  z-index: 2;
}

.hero-badge-float {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 50px;
  padding: 8px 14px;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  z-index: 3;
  white-space: nowrap;
}
.hero-badge-1 { top: 5%; left: -10%; animation: floatBadge 3.5s ease-in-out infinite; }
.hero-badge-2 { top: 40%; right: -12%; animation: floatBadge 3.5s ease-in-out infinite 0.8s; }
.hero-badge-3 { bottom: 5%; left: -8%; animation: floatBadge 3.5s ease-in-out infinite 1.6s; }

.hero-content { color: #fff; }

.hero-eyebrow {
  display: inline-block;
  background: rgba(6,182,212,0.2);
  border: 1px solid rgba(6,182,212,0.4);
  color: #67E8F9;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.hero-h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #fff;
}

.hero-gradient-text {
  background: linear-gradient(90deg, #06B6D4, #F59E0B);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.hero-stars {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
}
.hero-star-img { height: 24px; width: auto; }

.hero-cta-btn {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  padding: 18px 36px;
  border-radius: 50px;
  min-height: 64px;
  min-width: 280px;
  width: 100%;
  max-width: 400px;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 32px rgba(245,158,11,0.4);
  margin-bottom: 20px;
}
.hero-cta-btn:hover { transform: scale(1.05); box-shadow: 0 12px 40px rgba(245,158,11,0.5); }
.hero-cta-btn:active { transform: scale(0.98); }
.btn-sub { font-size: 12px; font-weight: 500; opacity: 0.9; margin-top: 4px; }

.pulse-btn { animation: pulse-ring 2s ease-in-out infinite; }

.hero-trust { margin-top: 8px; }
.hero-trust img { height: 32px; width: auto; }

/* ===== WHY SECTION ===== */
.why-section {
  background: var(--bg-light);
  text-align: center;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 30px 20px;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 4px solid var(--accent);
}
.why-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-lg); }

.why-icon-wrap { width: 80px; height: 80px; margin: 0 auto 16px; }
.why-icon-wrap img { width: 100%; height: 100%; object-fit: contain; }

.why-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
.why-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ===== WHAT SECTION ===== */
.what-section { background: var(--white); }

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

.what-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transition: transform 0.4s;
}
.what-img:hover { transform: scale(1.02); }

.what-content .section-heading { text-align: left; }
.what-content .section-eyebrow { display: block; }
.what-content p { color: var(--text-light); margin-bottom: 16px; font-size: 15px; }

.section-cta-btn {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 30px;
  border-radius: 50px;
  min-height: 50px;
  margin-top: 10px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.section-cta-btn:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }

/* ===== HOW IT WORKS ===== */
.how-section {
  background: var(--bg-section);
  text-align: center;
}

.how-section .section-sub { text-align: center; }

.accordion-list { max-width: 800px; margin: 0 auto; }

.accordion-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  text-align: left;
  min-height: 64px;
  transition: background 0.2s;
}
.accordion-header:hover { background: var(--bg-light); }
.accordion-header[aria-expanded="true"] { background: linear-gradient(90deg, rgba(30,58,138,0.05), rgba(6,182,212,0.05)); }

.acc-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 800;
  color: var(--accent);
  min-width: 30px;
}

.acc-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  flex: 1;
}

.acc-icon {
  font-size: 22px;
  color: var(--accent);
  font-weight: 300;
  transition: transform 0.3s;
  min-width: 24px;
  text-align: center;
}
.accordion-header[aria-expanded="true"] .acc-icon { transform: rotate(45deg); }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.accordion-body.open { max-height: 300px; }
.accordion-body p {
  padding: 0 20px 20px 64px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
}

/* ===== REVIEWS ===== */
.reviews-section {
  background: var(--bg-light);
  text-align: center;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  text-align: left;
  transition: transform 0.3s, box-shadow 0.3s;
  border-bottom: 4px solid var(--accent);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.review-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.review-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 3px solid var(--accent); flex-shrink: 0; }
.review-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; color: var(--primary); }
.review-loc { font-size: 12px; color: var(--text-light); margin: 2px 0; }
.review-stars { color: #F59E0B; font-size: 16px; letter-spacing: 1px; }
.review-text { color: var(--text-light); font-size: 14px; line-height: 1.8; }

/* ===== PRICING ===== */
.pricing-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
  text-align: center;
  padding: 80px 0;
}

.pricing-section .section-eyebrow,
.pricing-section .section-heading,
.pricing-section .section-sub { color: #fff; }
.pricing-section .highlight { color: #F59E0B; }

.countdown-wrap {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  gap: 20px;
  padding: 16px 32px;
  margin: 0 auto 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #F59E0B;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.countdown-timer { display: flex; align-items: center; gap: 6px; }

.cd-block {
  background: var(--gradient);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  min-width: 70px;
  text-align: center;
  animation: countdownPulse 1s ease-in-out infinite;
}
.cd-block span {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 900;
  color: #fff;
  display: block;
  line-height: 1;
}
.cd-block small {
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  letter-spacing: 2px;
  margin-top: 4px;
  display: block;
}
.cd-sep { font-size: 28px; font-weight: 900; color: #F59E0B; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 0;
  align-items: start;
}

.price-card {
  background: rgba(255,255,255,0.95);
  border-radius: var(--radius);
  padding: 28px 20px;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
  box-shadow: var(--shadow-lg);
}
.price-card:hover { transform: translateY(-8px); box-shadow: 0 20px 60px rgba(0,0,0,0.25); }

.price-card.popular {
  background: var(--white);
  border: 3px solid var(--gold);
  transform: scale(1.04);
  z-index: 2;
}
.price-card.popular:hover { transform: scale(1.04) translateY(-8px); }

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  white-space: nowrap;
}

.price-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}
.price-qty { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 22px; color: var(--primary); }
.price-supply { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }

.price-img { max-height: 160px; width: auto; margin: 0 auto 16px; object-fit: contain; }

.price-amount { font-family: 'Montserrat', sans-serif; margin-bottom: 4px; }
.price-old { font-size: 18px; color: var(--text-light); text-decoration: line-through; }
.price-now { font-size: 36px; font-weight: 900; color: var(--primary); margin-left: 8px; }
.price-per { font-size: 13px; color: var(--text-light); margin-bottom: 12px; }

.price-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 14px; }
.pb-badge {
  background: linear-gradient(90deg, rgba(16,185,129,0.12), rgba(6,182,212,0.12));
  border: 1px solid var(--green);
  color: var(--green);
  font-family: 'Montserrat', sans-serif;
  font-size: 10px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.price-cta-btn {
  display: block;
  margin: 0 auto 12px;
  transition: transform 0.2s;
}
.price-cta-btn:hover { transform: scale(1.05); }

.atc-img { max-height: 52px; width: auto; margin: 0 auto; }
.price-cards { max-height: 28px; width: auto; margin: 0 auto; }

.pricing-stars { margin-top: 32px; }
.pricing-stars img { max-height: 36px; width: auto; margin: 0 auto; }

/* ===== BONUS ===== */
.bonus-section {
  background: var(--bg-section);
  text-align: center;
}

.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
}

.bonus-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.3s, box-shadow 0.3s;
  border-top: 4px solid var(--gold);
  text-align: center;
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.bonus-number {
  display: inline-block;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.bonus-img { max-height: 180px; width: auto; margin: 0 auto 20px; object-fit: contain; }
.bonus-card h3 { font-size: 20px; color: var(--primary); margin-bottom: 12px; }
.bonus-card p { color: var(--text-light); font-size: 15px; line-height: 1.7; }

/* ===== INGREDIENTS ===== */
.ingredients-section { background: var(--white); text-align: center; }

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 40px;
  text-align: left;
}

.ing-card {
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  transition: transform 0.3s, box-shadow 0.3s;
  border-left: 4px solid var(--accent);
}
.ing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.ing-icon { font-size: 28px; margin-bottom: 8px; }
.ing-card h3 { font-size: 15px; color: var(--primary); margin-bottom: 8px; }
.ing-card p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ===== SCIENCE ===== */
.science-section { background: var(--bg-section); text-align: center; }

.science-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 40px;
  text-align: left;
}

.science-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 24px 22px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--primary);
}
.science-card h3 { font-size: 16px; color: var(--primary); margin-bottom: 10px; }
.science-card p { font-size: 14px; color: var(--text-light); line-height: 1.8; }

/* ===== GUARANTEE ===== */
.guarantee-section { background: var(--bg-light); }

.guarantee-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.guarantee-img {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 8px 24px rgba(30,58,138,0.2));
}

.guarantee-content .section-heading { text-align: left; }
.guarantee-content .section-eyebrow { display: block; }

.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin: 24px 0; }

.guarantee-point { display: flex; gap: 16px; align-items: flex-start; }
.gp-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.guarantee-point h3 { font-size: 16px; color: var(--primary); margin-bottom: 6px; }
.guarantee-point p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ===== BENEFITS ===== */
.benefits-section { background: var(--white); text-align: center; }

.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 40px;
  text-align: left;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  padding: 20px 18px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.benefit-item:hover { transform: translateX(6px); box-shadow: var(--shadow); }

.benefit-check {
  width: 36px;
  height: 36px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item h3 { font-size: 15px; color: var(--primary); margin-bottom: 6px; }
.benefit-item p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* ===== PRICING SECTION 2 ===== */
.pricing-section-2 { background: linear-gradient(135deg, #064E3B 0%, #1E3A8A 100%); }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-light); text-align: center; }

.faq-list { max-width: 800px; margin: 40px auto 0; }

.faq-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-header {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  min-height: 60px;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  transition: background 0.2s;
}
.faq-header:hover { background: var(--bg-light); }
.faq-header[aria-expanded="true"] { background: linear-gradient(90deg, rgba(30,58,138,0.05), rgba(6,182,212,0.05)); }

.faq-icon {
  font-size: 22px;
  color: var(--accent);
  font-weight: 300;
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-header[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-body.open { max-height: 300px; }
.faq-body p {
  padding: 0 20px 20px;
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.8;
  text-align: left;
}

/* ===== FINAL CTA ===== */
.final-cta-section {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 60%, #06B6D4 100%);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.final-particles { position: absolute; inset: 0; pointer-events: none; }
.fp {
  position: absolute;
  border-radius: 50%;
  animation: finalParticle 5s ease-in-out infinite;
}
.fp1 { width: 60px; height: 60px; background: rgba(245,158,11,0.2); top: 10%; left: 5%; --tx: 30px; --ty: -20px; }
.fp2 { width: 90px; height: 90px; background: rgba(6,182,212,0.15); top: 50%; right: 5%; --tx: -25px; --ty: 15px; animation-delay: 1s; }
.fp3 { width: 40px; height: 40px; background: rgba(16,185,129,0.25); bottom: 15%; left: 20%; --tx: 20px; --ty: -30px; animation-delay: 2s; }
.fp4 { width: 70px; height: 70px; background: rgba(30,58,138,0.3); top: 20%; right: 25%; --tx: -10px; --ty: 25px; animation-delay: 0.5s; }
.fp5 { width: 50px; height: 50px; background: rgba(245,158,11,0.15); bottom: 30%; right: 15%; --tx: 20px; --ty: -15px; animation-delay: 3s; }
.fp6 { width: 30px; height: 30px; background: rgba(6,182,212,0.3); bottom: 10%; right: 35%; --tx: -20px; --ty: 10px; animation-delay: 1.5s; }

.final-image-wrap { display: flex; justify-content: center; }
.final-product-img {
  max-width: 320px;
  width: 100%;
  filter: drop-shadow(0 20px 50px rgba(6,182,212,0.4));
  animation: float 5s ease-in-out infinite;
}

.final-cta-content { color: #fff; }
.final-cta-content .section-eyebrow { display: block; }

.final-heading { font-size: 36px; font-weight: 900; color: #fff; margin-bottom: 24px; }

.final-pricing { margin-bottom: 20px; }
.final-old-price { font-size: 18px; color: rgba(255,255,255,0.7); margin-bottom: 6px; }
.final-old-price s { color: rgba(255,255,255,0.5); }
.final-new-price { font-size: 32px; font-weight: 900; color: #F59E0B; }

.final-desc { color: rgba(255,255,255,0.85); margin-bottom: 28px; font-size: 16px; line-height: 1.7; }

.final-cta-pulse {
  animation: pulse-ring 2s ease-in-out infinite;
  margin-bottom: 24px !important;
}

.final-trust-row {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.final-stars { max-height: 28px; width: auto; }
.final-cards { max-height: 28px; width: auto; }

/* ===== FOOTER ===== */
.footer { background: #0F172A; color: rgba(255,255,255,0.7); padding: 60px 0 0; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-logo { height: 48px; width: auto; border-radius: 8px; margin-bottom: 12px; }
.footer-tagline { font-size: 14px; margin-bottom: 20px; line-height: 1.6; }

.social-icons { display: flex; gap: 12px; }
.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.social-icon:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }

.footer-col-heading {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-legal-links, .footer-links-col { display: flex; flex-direction: column; gap: 8px; }
.footer-link { font-size: 13px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-link:hover { color: var(--accent); }

.footer-disclaimer-wrap {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
}
.footer-disclaimer {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
  margin-bottom: 12px;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.35); }

/* ===== SCROLL TO TOP ===== */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.3s, transform 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top-btn.visible { opacity: 1; transform: translateY(0); }
.scroll-top-btn:hover { transform: scale(1.1); }

/* ============================================================
   RESPONSIVE STYLES
   ============================================================ */

/* ===== TABLET: 768px ===== */
@media (max-width: 991px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .what-container { grid-template-columns: 1fr; }
  .what-image { order: -1; }
  .what-img { max-width: 400px; margin: 0 auto; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .guarantee-container { grid-template-columns: 1fr; text-align: center; }
  .guarantee-content .section-heading { text-align: center; }
  .guarantee-content .section-eyebrow { display: inline-block; }
  .guarantee-img { max-width: 220px; }
  .benefits-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .science-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .final-cta-container { grid-template-columns: 1fr; text-align: center; }
  .final-image-wrap { order: -1; }
  .final-trust-row { align-items: center; }
}

/* ===== MOBILE: 768px ===== */
@media (max-width: 767px) {
  section { padding: 48px 0; }

  /* Nav */
  .nav-links {
    position: fixed;
    top: 70px;
    right: -100%;
    width: 280px;
    height: calc(100vh - 70px);
    background: var(--white);
    flex-direction: column;
    padding: 28px 24px;
    gap: 0;
    box-shadow: -4px 0 24px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: right 0.35s cubic-bezier(.34,1.56,.64,1);
    align-items: flex-start;
    overflow-y: auto;
  }
  .nav-links.open { right: 0; }
  .nav-link { padding: 14px 0; border-bottom: 1px solid var(--border); width: 100%; font-size: 16px; }
  .hamburger { display: flex; }
  .nav-cta-btn { display: none; }

  /* Hero */
  .hero-section { padding: 90px 0 48px; min-height: auto; }
  .hero-container { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 220px; }
  .hero-glow { width: 200px; height: 200px; }
  .hero-badge-1 { top: 0; left: 0; font-size: 10px; padding: 6px 10px; }
  .hero-badge-2 { top: 30%; right: 0; font-size: 10px; padding: 6px 10px; }
  .hero-badge-3 { bottom: 0; left: 0; font-size: 10px; padding: 6px 10px; }
  .hero-h1 { font-size: 26px; }
  .hero-desc { font-size: 15px; }
  .hero-cta-btn { font-size: 16px; padding: 16px 24px; min-width: 100%; max-width: 100%; }
  .hero-stars { justify-content: center; }

  /* Sections */
  .section-heading { font-size: 22px; }
  .why-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-8px); }
  .popular-badge { top: -12px; }
  .bonus-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .countdown-wrap { flex-direction: column; gap: 12px; padding: 16px 20px; width: 100%; }
  .cd-block span { font-size: 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .final-cta-container { grid-template-columns: 1fr; text-align: center; gap: 32px; }
  .final-heading { font-size: 24px; }
  .final-product-img { max-width: 220px; }
  .final-trust-row { align-items: center; }
  .final-cta-pulse { max-width: 100%; width: 100%; }

  /* Accordion */
  .accordion-body p { padding: 0 16px 18px 16px; }
  .acc-title { font-size: 14px; }

  /* Purchase popup */
  .purchase-popup { left: 12px; right: 12px; max-width: none; }
  .purchase-popup.show { bottom: 16px; }
}

/* ===== SMALL PHONES: 480px ===== */
@media (max-width: 480px) {
  .hero-h1 { font-size: 22px; }
  .section-heading { font-size: 20px; }
  .container { padding: 0 16px; }
  .review-card { padding: 20px 16px; }
  .cd-block { min-width: 56px; padding: 10px 14px; }
  .cd-block span { font-size: 24px; }
}

/* ===== PREFERS REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
