/* ============================================================
   GLUCORE - styles.css
   Medical Professional Design | Mobile-First
   Colors: #1E40AF (deep blue), #3B82F6 (blue), #10B981 (green accent)
   Fonts: Montserrat (headings), Open Sans (body)
============================================================ */

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #1E40AF;
  --primary-light: #3B82F6;
  --primary-lighter: #93C5FD;
  --accent: #10B981;
  --accent-dark: #059669;
  --gold: #F59E0B;
  --red: #EF4444;
  --white: #FFFFFF;
  --off-white: #F0F7FF;
  --light-bg: #EFF6FF;
  --dark: #0F172A;
  --dark-2: #1E293B;
  --gray: #64748B;
  --gray-light: #CBD5E1;
  --border: #E2E8F0;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 16px rgba(30,64,175,0.12);
  --shadow-lg: 0 12px 40px rgba(30,64,175,0.18);
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --font-heading: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
  --transition: 0.3s ease;
  --gradient: linear-gradient(135deg, #1E40AF 0%, #3B82F6 60%, #10B981 100%);
  --gradient-accent: linear-gradient(135deg, #10B981, #059669);
}

/* ---- 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: var(--font-body);
  color: var(--dark);
  background: var(--white);
  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; }

input, select, textarea { font-size: 16px; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 800;
  line-height: 1.25;
  color: var(--dark);
}

h1 { font-size: clamp(26px, 5vw, 52px); }
h2 { font-size: clamp(22px, 4vw, 40px); }
h3 { font-size: clamp(18px, 2.5vw, 24px); }
h4 { font-size: clamp(16px, 2vw, 20px); }

p { line-height: 1.75; color: var(--gray); font-size: 16px; }

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

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

.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 640px; margin: 0 auto; font-size: 17px; }
.section-eyebrow {
  display: inline-block;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(16,185,129,0.1));
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  border: 1px solid rgba(59,130,246,0.25);
  margin-bottom: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  min-height: 48px;
  text-align: center;
}

.btn-primary {
  background: var(--gradient);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(30,64,175,0.3);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(30,64,175,0.4); }
.btn-primary:active { transform: scale(0.98); }

.btn-accent {
  background: var(--gradient-accent);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(16,185,129,0.35);
}
.btn-accent:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(16,185,129,0.45); }
.btn-accent:active { transform: scale(0.98); }

.btn-nav {
  background: var(--gradient);
  color: var(--white);
  padding: 10px 22px;
  font-size: 14px;
  border-radius: 50px;
  box-shadow: var(--shadow);
}
.btn-nav:hover { transform: scale(1.05); }

.btn-large { padding: 16px 40px; font-size: 18px; }
.btn-xl { padding: 20px 48px; font-size: 20px; }
.full-width { width: 100%; }
.text-center { text-align: center; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }

.stars { color: var(--gold); font-size: 18px; letter-spacing: 2px; }

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

.navbar.scrolled {
  box-shadow: 0 4px 20px rgba(30,64,175,0.12);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 22px;
  color: var(--primary);
  flex-shrink: 0;
}

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

.nav-links {
  display: none;
  gap: 32px;
}

.nav-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 15px;
  color: var(--dark-2);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); }

.hamburger {
  display: flex;
  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;
  border-radius: var(--radius-sm);
}

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

.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* Mobile Nav Overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 72px; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  z-index: 999;
  padding: 32px 20px;
  transform: translateX(-100%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.mobile-overlay.open { display: block; transform: translateX(0); }

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-link {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 20px;
  color: var(--dark);
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  transition: color var(--transition), padding-left var(--transition);
}
.mobile-nav-link:hover { color: var(--primary); padding-left: 8px; }

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .hamburger { display: none; }
  .mobile-overlay { display: none !important; }
}

/* ============================================================
   HERO
============================================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 50%, #E0FDF4 100%);
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  position: relative;
  overflow: hidden;
}

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

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 1;
}

.hero-image {
  flex: 0 0 auto;
  display: flex;
  justify-content: center;
}

.hero-bottle-wrap {
  position: relative;
  display: inline-block;
}

.hero-bottle {
  max-width: 280px;
  width: 100%;
  border-radius: var(--radius-lg);
  filter: drop-shadow(0 20px 40px rgba(30,64,175,0.2));
  animation: floatBottle 3.5s ease-in-out infinite;
}

@keyframes floatBottle {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-16px) rotate(1deg); }
}

.hero-badge {
  position: absolute;
  top: 12px; right: -12px;
  background: var(--gradient);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius);
  text-align: center;
  line-height: 1.3;
  box-shadow: var(--shadow);
  animation: pulseBadge 2s ease-in-out infinite;
}

@keyframes pulseBadge {
  0%, 100% { box-shadow: var(--shadow); }
  50% { box-shadow: 0 0 20px rgba(30,64,175,0.5); }
}

.hero-float-pill {
  position: absolute;
  bottom: 12px; left: -12px;
  background: var(--white);
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 50px;
  border: 2px solid var(--primary-lighter);
  box-shadow: var(--shadow);
  white-space: nowrap;
  animation: floatPill 2.5s ease-in-out infinite alternate;
}

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

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

.hero-eyebrow {
  display: inline-block;
  background: linear-gradient(135deg, rgba(30,64,175,0.1), rgba(16,185,129,0.1));
  color: var(--primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 8px 18px;
  border-radius: 50px;
  border: 1.5px solid rgba(59,130,246,0.3);
  margin-bottom: 16px;
}

.hero-title {
  margin-bottom: 20px;
  color: var(--dark);
}

.hero-desc {
  color: var(--gray);
  font-size: 17px;
  margin-bottom: 14px;
  max-width: 580px;
  margin-left: auto;
  margin-right: auto;
}

.hero-stars {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.review-count {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 14px;
  color: var(--primary);
}

.pulse-btn {
  animation: pulseCta 2.5s ease-in-out infinite;
  margin-bottom: 20px;
}

@keyframes pulseCta {
  0%, 100% { transform: scale(1); box-shadow: 0 4px 20px rgba(30,64,175,0.3); }
  50% { transform: scale(1.03); box-shadow: 0 8px 36px rgba(30,64,175,0.5); }
}

.hero-trust {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 13px;
  color: var(--gray);
  margin-top: 12px;
}

.hero-trust span {
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Fade-in animations */
.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  animation: fadeInLeft 0.9s ease forwards 0.2s;
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  animation: fadeInRight 0.9s ease forwards 0.4s;
}

@keyframes fadeInLeft {
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   SECTION GENERAL
============================================================ */
section {
  padding: 72px 0;
}

/* Alternate section backgrounds */
.why-choose { background: var(--off-white); }
.what-is { background: var(--white); }
.how-it-works { background: linear-gradient(135deg, #EFF6FF, #E0FDF4); }
.reviews { background: var(--off-white); }
.pricing { background: var(--dark-2); }
.pricing .section-header h2,
.pricing .section-header p,
.pricing .section-header .section-eyebrow,
.pricing-stars p { color: var(--white); }
.pricing .countdown-wrap p { color: rgba(255,255,255,0.9); }
.pricing-second { background: var(--dark); }
.pricing-second .section-header h2,
.pricing-second .section-header p,
.pricing-second .section-header .section-eyebrow,
.pricing-second .pricing-stars p { color: var(--white); }
.pricing-second .countdown-wrap p { color: rgba(255,255,255,0.9); }
.bonuses { background: var(--white); }
.ingredients { background: var(--off-white); }
.science { background: var(--white); }
.guarantee { background: linear-gradient(135deg, #EFF6FF, #E0FDF4); }
.benefits { background: var(--white); }
.faq { background: var(--off-white); }
.final-cta { background: var(--dark-2); position: relative; overflow: hidden; }

/* ============================================================
   WHY CHOOSE
============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.why-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(30px);
}

.why-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition);
}

.why-card:hover { transform: scale(1.05) rotate(0.5deg); box-shadow: var(--shadow-lg); }

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

.why-card h3 {
  font-size: 16px;
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.why-card p { font-size: 15px; color: var(--gray); }

/* ============================================================
   WHAT IS
============================================================ */
.what-is-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}

.what-is-image { flex: 0 0 auto; }

.img-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--light-bg);
  padding: 8px;
  border: 2px solid var(--primary-lighter);
}

.img-frame img {
  border-radius: calc(var(--radius-lg) - 8px);
  width: 100%;
  max-width: 420px;
}

.what-is-content h2 { margin-bottom: 16px; }
.what-is-content p { margin-bottom: 16px; }

/* ============================================================
   HOW IT WORKS - ACCORDION
============================================================ */
.accordion-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.accordion-header {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
  text-align: left;
  min-height: 44px;
  transition: background var(--transition);
}

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

.accordion-item.active .accordion-header { color: var(--primary); background: var(--light-bg); }

.acc-icon { font-size: 20px; flex-shrink: 0; }

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

.accordion-item.active .acc-arrow { transform: rotate(180deg); }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}

.accordion-item.active .accordion-body {
  max-height: 400px;
  padding: 0 24px 20px;
}

.accordion-body p { font-size: 15px; }

/* ============================================================
   REVIEWS
============================================================ */
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  border-top: 3px solid var(--primary-light);
  opacity: 0;
  transform: translateY(30px);
}
.review-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.6s ease, transform 0.6s ease; }

.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-lighter);
  flex-shrink: 0;
}

.review-top strong {
  display: block;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
}

.review-top span {
  font-size: 13px;
  color: var(--gray);
  display: block;
  margin-bottom: 4px;
}

.review-card p { font-size: 15px; line-height: 1.7; }

/* ============================================================
   PRICING
============================================================ */
.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}

.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(239,68,68,0.1);
  border: 2px solid rgba(239,68,68,0.3);
  border-radius: var(--radius);
  padding: 12px 24px;
  margin-top: 10px;
}

.cd-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
}

.cd-num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 52px);
  color: var(--red);
  line-height: 1;
}

.cd-label {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 11px;
  color: rgba(239,68,68,0.8);
  letter-spacing: 1.5px;
}

.cd-colon {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 40px;
  color: var(--red);
  animation: blinkColon 1s step-end infinite;
  line-height: 1;
  padding-bottom: 12px;
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.price-card {
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
  backdrop-filter: blur(6px);
  opacity: 0;
  transform: translateY(30px);
}
.price-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition); }
.price-card:hover { transform: translateY(-6px); box-shadow: 0 16px 48px rgba(0,0,0,0.3); }

.price-card-popular {
  background: rgba(255,255,255,0.12);
  border-color: var(--accent);
  transform: scale(1.03);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.3), 0 16px 48px rgba(0,0,0,0.25);
}
.price-card-popular.visible { transform: scale(1.03); }
.price-card-popular:hover { transform: scale(1.03) translateY(-6px); }

.popular-badge {
  background: var(--gradient-accent);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13px;
  padding: 6px 20px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.price-label {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-bottom: 6px;
}

.price-bottles {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 22px;
  color: var(--white);
  margin-bottom: 4px;
}

.price-supply {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 16px;
  font-family: var(--font-heading);
}

.price-img {
  max-width: 160px;
  margin: 0 auto 16px;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,0.3));
  transition: transform var(--transition);
}
.price-card:hover .price-img { transform: scale(1.05); }

.price-amount {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 4px;
}

.price-old {
  font-family: var(--font-heading);
  font-size: 18px;
  color: rgba(255,255,255,0.4);
  text-decoration: line-through;
}

.price-new {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 36px;
  color: var(--accent);
}

.price-per {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 12px;
  font-family: var(--font-heading);
}

.bonus-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
  margin-bottom: 14px;
}

.bonus-tag {
  background: rgba(16,185,129,0.15);
  border: 1px solid rgba(16,185,129,0.4);
  color: #6EE7B7;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 50px;
  letter-spacing: 0.5px;
}

.price-card .btn { margin-bottom: 12px; }

.payment-logos {
  max-width: 180px;
  margin: 0 auto;
  opacity: 0.7;
  filter: brightness(2);
}

.pricing-stars {
  text-align: center;
  margin-top: 32px;
}
.pricing-stars img { margin: 0 auto 8px; }
.pricing-stars p { color: rgba(255,255,255,0.8) !important; font-size: 15px; }

/* ============================================================
   BONUSES
============================================================ */
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}

.bonus-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--border);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px);
}
.bonus-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.6s ease, transform 0.6s ease; }

.bonus-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--gradient);
}

.bonus-number {
  display: inline-block;
  background: var(--gradient);
  color: var(--white);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1.5px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
}

.bonus-card img {
  max-width: 200px;
  margin: 0 auto 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.bonus-card h3 { font-size: 20px; color: var(--primary); margin-bottom: 12px; }
.bonus-card p { font-size: 15px; }

/* ============================================================
   INGREDIENTS
============================================================ */
.ingredients-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.ingredient-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary-light);
  display: flex;
  gap: 16px;
  opacity: 0;
  transform: translateY(20px);
}
.ingredient-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.ingredient-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }

.ing-num {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 28px;
  color: var(--primary-lighter);
  line-height: 1;
  flex-shrink: 0;
  min-width: 40px;
}

.ingredient-card h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; }
.ingredient-card p { font-size: 14px; line-height: 1.65; }

/* ============================================================
   SCIENTIFIC EVIDENCE
============================================================ */
.science-accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sci-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}

.sci-header {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 24px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 44px;
  transition: background var(--transition);
}
.sci-header:hover { background: var(--light-bg); }
.sci-header .acc-arrow { flex-shrink: 0; transition: transform var(--transition); }
.sci-item.active .sci-header { color: var(--primary); background: var(--light-bg); }
.sci-item.active .sci-header .acc-arrow { transform: rotate(180deg); }

.sci-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.sci-item.active .sci-body { max-height: 500px; padding: 0 24px 20px; }
.sci-body p { font-size: 15px; line-height: 1.75; }

.science-disclaimer {
  max-width: 860px;
  margin: 32px auto 0;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
}
.science-disclaimer p { font-size: 13px; color: var(--gray); line-height: 1.6; }

/* ============================================================
   GUARANTEE
============================================================ */
.guarantee-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

.guarantee-image img {
  max-width: 280px;
  margin: 0 auto;
  filter: drop-shadow(0 12px 30px rgba(30,64,175,0.15));
}

.guarantee-content h2 { margin-bottom: 12px; }
.guarantee-content > p { margin-bottom: 24px; font-size: 17px; }

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

.g-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 18px 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}

.g-icon { font-size: 26px; flex-shrink: 0; }
.g-point strong { display: block; font-family: var(--font-heading); font-weight: 700; font-size: 16px; color: var(--primary); margin-bottom: 6px; }
.g-point p { font-size: 14px; margin: 0; }

/* ============================================================
   BENEFITS
============================================================ */
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  opacity: 0;
  transform: translateX(-20px);
}
.benefit-item.visible { opacity: 1; transform: translateX(0); transition: opacity 0.5s ease, transform 0.5s ease; }
.benefit-item:hover { box-shadow: var(--shadow); border-left-color: var(--primary); }

.benefit-icon { font-size: 28px; flex-shrink: 0; }
.benefit-item h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; }
.benefit-item p { font-size: 14px; margin: 0; }

/* ============================================================
   FAQ
============================================================ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  border: 1.5px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  cursor: pointer;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
  text-align: left;
  min-height: 44px;
  transition: background var(--transition);
}
.faq-header:hover { background: var(--light-bg); }
.faq-item.active .faq-header { color: var(--primary); background: var(--light-bg); }
.faq-header .acc-arrow { flex-shrink: 0; transition: transform var(--transition); }
.faq-item.active .faq-header .acc-arrow { transform: rotate(180deg); }

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.faq-item.active .faq-body { max-height: 400px; padding: 0 24px 20px; }
.faq-body p { font-size: 15px; line-height: 1.75; }

/* ============================================================
   FINAL CTA
============================================================ */
.final-cta {
  padding: 80px 0;
  overflow: hidden;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 50%, rgba(59,130,246,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(16,185,129,0.1) 0%, transparent 60%);
  pointer-events: none;
}

.final-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  position: relative;
  z-index: 1;
  text-align: center;
}

.final-bottle-img {
  max-width: 260px;
  filter: drop-shadow(0 16px 40px rgba(16,185,129,0.3));
  animation: floatBottle 3.5s ease-in-out infinite;
}

.final-cta-content { max-width: 600px; }
.final-cta-content h2 { color: var(--white); font-size: clamp(24px, 4vw, 38px); margin-bottom: 16px; }
.final-cta-content p { color: rgba(255,255,255,0.8); font-size: 17px; margin-bottom: 24px; }
.final-cta-content .section-eyebrow { color: var(--white); background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); }

.final-price {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  margin-bottom: 20px;
}

.price-old-large {
  font-family: var(--font-heading);
  font-size: 20px;
  color: rgba(255,255,255,0.4);
  text-decoration: line-through;
}

.price-new-large {
  font-family: var(--font-heading);
  font-size: 36px;
  color: var(--accent);
  font-weight: 900;
}

.final-trust {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 14px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
}

.glow-btn {
  animation: glowPulse 2.5s ease-in-out infinite;
  font-size: 18px;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(16,185,129,0.4), 0 4px 20px rgba(16,185,129,0.3); }
  50% { box-shadow: 0 0 40px rgba(16,185,129,0.7), 0 8px 40px rgba(16,185,129,0.5); }
}

.final-note {
  color: rgba(255,255,255,0.6) !important;
  font-size: 13px !important;
  margin-top: 14px;
}

/* ============================================================
   FOOTER
============================================================ */
.footer {
  background: #0A0F1E;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 20px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .nav-logo { color: var(--white); margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 300px; }

.social-icons {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  color: rgba(255,255,255,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  transition: background var(--transition), color var(--transition);
}
.social-icon:hover { background: var(--primary); color: var(--white); }

.footer-links h4 {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--white);
  margin-bottom: 16px;
}

.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  padding: 5px 0;
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--primary-lighter); }

.footer-legal-links {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-disclaimer {
  font-size: 12px;
  line-height: 1.75;
  color: rgba(255,255,255,0.4);
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 20px;
}
.footer-disclaimer p { color: rgba(255,255,255,0.4); font-size: 12px; margin-bottom: 8px; }

.footer-bottom {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}
.footer-bottom a { color: var(--primary-lighter); }

/* ============================================================
   SCROLL TO TOP
============================================================ */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition);
  z-index: 998;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: scale(1.1); }
.scroll-top:active { transform: scale(0.95); }

/* ============================================================
   PURCHASE NOTIFICATION POPUP
============================================================ */
.purchase-popup {
  position: fixed;
  bottom: 24px;
  left: 20px;
  background: var(--white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-lg);
  z-index: 997;
  max-width: 300px;
  width: calc(100% - 40px);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.purchase-popup.show { opacity: 1; transform: translateY(0); }

.purchase-popup img { width: 44px; height: 44px; border-radius: var(--radius-sm); object-fit: contain; flex-shrink: 0; }

.popup-text {
  flex: 1;
  font-size: 13px;
  color: var(--dark);
  line-height: 1.45;
}
.popup-text strong { display: block; }
.popup-text span { color: var(--gray); display: block; font-size: 12px; }

.popup-close {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--gray);
  padding: 4px;
  min-width: 28px;
  min-height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  transition: background var(--transition);
}
.popup-close:hover { background: var(--light-bg); }

/* ============================================================
   EXIT INTENT POPUP
============================================================ */
.exit-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.exit-overlay.active { display: flex; }

.exit-popup {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  position: relative;
  text-align: center;
  animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
  overflow: hidden;
}

.exit-popup::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 5px;
  background: var(--gradient-accent);
}

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

.exit-close {
  position: absolute;
  top: 14px; right: 16px;
  background: var(--light-bg);
  border: none;
  cursor: pointer;
  font-size: 16px;
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.exit-close:hover { background: var(--red); color: var(--white); }

.exit-popup-content img { max-width: 160px; margin: 0 auto 16px; }
.exit-popup-content h3 { font-size: clamp(18px, 3vw, 24px); color: var(--dark); margin-bottom: 12px; }
.exit-popup-content p { font-size: 15px; color: var(--gray); margin-bottom: 16px; }

.exit-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}
.exit-price .price-old { font-size: 20px; color: var(--gray); text-decoration: line-through; font-family: var(--font-heading); font-weight: 700; }
.exit-price .price-new { font-size: 32px; color: var(--accent); font-family: var(--font-heading); font-weight: 900; }

.exit-decline {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  color: var(--gray);
  text-decoration: underline;
}
.exit-decline:hover { color: var(--red); }

/* ============================================================
   REVEAL ANIMATIONS (Intersection Observer)
============================================================ */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-left.visible,
.reveal-right.visible { opacity: 1; transform: translateX(0); }

/* ============================================================
   RESPONSIVE BREAKPOINTS
============================================================ */

/* 480px+ phones */
@media (min-width: 480px) {
  .hero-bottle { max-width: 320px; }
}

/* 576px+ large phones */
@media (min-width: 576px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .bonus-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
}

/* 768px+ tablets */
@media (min-width: 768px) {
  section { padding: 88px 0; }

  .hero-container { flex-direction: row; gap: 60px; align-items: center; }
  .hero-content { text-align: left; }
  .hero-stars { justify-content: flex-start; }
  .hero-trust { justify-content: flex-start; }
  .hero-desc { margin-left: 0; margin-right: 0; }
  .hero-bottle { max-width: 380px; }

  .what-is-inner { flex-direction: row; gap: 56px; align-items: center; }
  .guarantee-inner { flex-direction: row; gap: 56px; align-items: center; }

  .guarantee-image img { max-width: 300px; }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }

  .final-cta-inner { flex-direction: row; align-items: center; text-align: left; }
  .final-cta-content { text-align: left; }
  .final-trust { justify-content: flex-start; }
  .final-price { align-items: flex-start; }

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

/* 1024px+ small laptops */
@media (min-width: 1024px) {
  .why-grid { grid-template-columns: repeat(4, 1fr); }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(3, 1fr); }
}

/* 1440px+ desktop */
@media (min-width: 1440px) {
  .container { max-width: 1280px; }
}

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

/* Mobile bottom-position adjustment for purchase popup */
@media (max-width: 575px) {
  .purchase-popup {
    bottom: 16px;
    left: 16px;
    right: 16px;
    max-width: unset;
    width: calc(100% - 32px);
  }
  .scroll-top {
    bottom: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
  }
}