/* =============================================
   NEUROPRIME - styles.css
   Design: Medical Professional + Premium Luxury
   Fonts: Montserrat (headings) + Open Sans (body)
   ============================================= */

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #1a237e;
  --primary-light: #283593;
  --accent: #00bcd4;
  --accent-2: #4fc3f7;
  --gold: #f9a825;
  --gold-dark: #f57f17;
  --white: #ffffff;
  --off-white: #f8faff;
  --gray-light: #eef2ff;
  --gray-mid: #b0bec5;
  --gray-dark: #546e7a;
  --text-dark: #0d1b2a;
  --text-body: #37474f;
  --danger: #ef5350;
  --green: #43a047;
  --shadow-sm: 0 2px 12px rgba(26,35,126,0.08);
  --shadow-md: 0 8px 32px rgba(26,35,126,0.14);
  --shadow-lg: 0 20px 60px rgba(26,35,126,0.20);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-body);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}

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

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text-dark);
}
h1 { font-size: clamp(24px, 5vw, 52px); }
h2 { font-size: clamp(20px, 4vw, 38px); }
h3 { font-size: clamp(18px, 3vw, 22px); }

p { font-size: clamp(15px, 2vw, 17px); line-height: 1.8; }

/* ---- CONTAINER ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.section-pad { padding: 72px 0; }
@media (max-width: 768px) { .section-pad { padding: 48px 0; } }

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 50px;
  min-height: 56px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(26,35,126,0.35);
  text-align: center;
  white-space: nowrap;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 32px rgba(26,35,126,0.45); }
.btn-primary:active { transform: scale(0.98); }
.btn-gold {
  background: linear-gradient(135deg, var(--gold-dark) 0%, var(--gold) 100%);
  box-shadow: 0 4px 20px rgba(249,168,37,0.45);
  color: #1a0000;
}
.btn-gold:hover { box-shadow: 0 8px 32px rgba(249,168,37,0.55); }
.btn-xl { font-size: 18px; padding: 20px 40px; min-height: 64px; }
.btn-arrow { transition: transform var(--transition); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.inline-link { color: var(--primary); font-weight: 600; text-decoration: underline; }

/* ---- SECTION TITLES ---- */
.section-title {
  text-align: center;
  margin-bottom: 12px;
  color: var(--text-dark);
}
.section-title span { color: var(--primary); }
.section-sub {
  text-align: center;
  color: var(--gray-dark);
  margin-bottom: 48px;
  font-size: 17px;
}
.section-tag {
  display: inline-block;
  background: var(--gray-light);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

/* ===== SECTION 1: NAVIGATION ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), padding var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.navbar { width: 100%; }
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
@media (max-width: 768px) { .nav-container { height: 60px; } }

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 20px;
  color: var(--primary);
  letter-spacing: -0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-dark);
  padding: 8px 16px;
  border-radius: 8px;
  transition: background var(--transition), color var(--transition);
}
.nav-link:hover { background: var(--gray-light); color: var(--primary); }
.nav-cta-btn {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  padding: 10px 24px;
  border-radius: 50px;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(26,35,126,0.3);
}
.nav-cta-btn:hover { transform: scale(1.05); box-shadow: 0 6px 24px rgba(26,35,126,0.4); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 8px;
    box-shadow: var(--shadow-md);
    z-index: 999;
    transform: translateY(-10px);
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
  }
  .nav-links.open {
    display: flex;
    opacity: 1;
    transform: translateY(0);
  }
  .nav-link { width: 100%; padding: 14px 20px; font-size: 16px; border-radius: 12px; }
  .nav-cta-btn { width: 100%; justify-content: center; padding: 16px; font-size: 16px; min-height: 52px; }
}

/* ===== SECTION 2: HERO ===== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #0d1b2a 0%, var(--primary) 40%, #1565c0 70%, #0288d1 100%);
  overflow: hidden;
  padding: 80px 0 100px;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.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: 1;
}

@media (max-width: 768px) {
  .hero-section { padding: 60px 0 80px; min-height: auto; }
  .hero-container { grid-template-columns: 1fr; gap: 36px; text-align: center; }
}

/* Hero Image */
.hero-image-wrap {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.hero-glow-ring {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,188,212,0.25) 0%, transparent 70%);
  animation: pulse-ring 3s ease-in-out infinite;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
}
@keyframes pulse-ring {
  0%, 100% { transform: translate(-50%,-50%) scale(1); opacity: 0.6; }
  50% { transform: translate(-50%,-50%) scale(1.12); opacity: 1; }
}
.hero-bottle {
  position: relative;
  max-width: 320px;
  width: 100%;
  filter: drop-shadow(0 24px 60px rgba(0,188,212,0.35));
  z-index: 2;
  animation: float-bottle 4s ease-in-out infinite;
}
@keyframes float-bottle {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-18px) rotate(1.5deg); }
  66% { transform: translateY(-10px) rotate(-1deg); }
}
.hero-badge-stars {
  margin-top: 20px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 24px;
  border-radius: 50px;
  display: flex;
  align-items: center;
  gap: 8px;
}
@media (max-width: 768px) {
  .hero-bottle { max-width: 240px; }
  .hero-glow-ring { width: 260px; height: 260px; }
}

/* Hero Content */
.hero-content { color: var(--white); }
.hero-tag {
  display: inline-block;
  background: rgba(0,188,212,0.2);
  border: 1px solid rgba(0,188,212,0.5);
  color: var(--accent-2);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.hero-h1 {
  color: var(--white);
  margin-bottom: 24px;
  font-size: clamp(26px, 5vw, 52px);
}
.hero-h1 em {
  font-style: italic;
  color: var(--accent-2);
  font-style: normal;
}
.brand-highlight {
  background: linear-gradient(135deg, var(--accent), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  color: rgba(255,255,255,0.88);
  margin-bottom: 16px;
  font-size: clamp(15px, 2vw, 17px);
}
.hero-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 28px;
}
.hero-trust-row span {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.9);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
}
.hero-cta { font-size: 17px; min-height: 60px; width: 100%; max-width: 380px; }
@media (max-width: 768px) { .hero-cta { max-width: 100%; } }
.hero-urgency {
  margin-top: 14px;
  font-size: 14px;
  color: rgba(255,255,255,0.75);
}

/* Animated particles */
.hero-particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  animation: drift linear infinite;
}
@keyframes drift {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(-100px) scale(1.5); opacity: 0; }
}

/* Hero wave */
.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  line-height: 0;
}
.hero-wave svg { width: 100%; height: 60px; }

/* Animate float */
.animate-float { animation: float-bottle 4s ease-in-out infinite; }

/* ===== SECTION 3: WHY CHOOSE ===== */
.why-section { background: var(--off-white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
@media (max-width: 991px) { .why-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 576px) { .why-grid { grid-template-columns: 1fr; } }

.why-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(26,35,126,0.06);
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
}
.why-card-icon { width: 80px; height: 80px; margin: 0 auto 20px; }
.why-card-icon img { width: 100%; height: 100%; object-fit: contain; }
.why-card h3 {
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 12px;
}
.why-card p { font-size: 14px; color: var(--text-body); }

/* ===== SECTION 4: WHAT IS ===== */
.what-section { background: var(--white); }
.what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 768px) {
  .what-grid { grid-template-columns: 1fr; gap: 32px; }
  .what-image { order: -1; }
}
.what-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  width: 100%;
}
.what-content h2 { margin-bottom: 20px; }
.what-content h2 span { color: var(--primary); }
.what-content p { margin-bottom: 18px; }
.what-content .btn-primary { margin-top: 8px; }

/* ===== SECTION 5: HOW IT WORKS ===== */
.how-section { background: var(--gray-light); }
.accordion-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--text-dark);
  text-align: left;
  min-height: 64px;
  transition: background var(--transition), color var(--transition);
}
.accordion-header:hover { background: var(--gray-light); }
.accordion-header[aria-expanded="true"] { color: var(--primary); background: var(--gray-light); }
.acc-icon { font-size: 20px; flex-shrink: 0; }
.accordion-header > span:nth-child(2) { flex: 1; }
.acc-arrow {
  font-size: 12px;
  transition: transform var(--transition);
  color: var(--gray-dark);
  flex-shrink: 0;
}
.accordion-header[aria-expanded="true"] .acc-arrow { transform: rotate(180deg); }
.accordion-body {
  display: none;
  padding: 0 24px 24px;
}
.accordion-body.open { display: block; animation: fadeSlide 0.3s ease; }
@keyframes fadeSlide { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }
.accordion-body p { color: var(--text-body); font-size: 15px; }

/* ===== SECTION 6: REVIEWS ===== */
.reviews-section { background: var(--white); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
@media (max-width: 991px) { .reviews-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 576px) { .reviews-grid { grid-template-columns: 1fr; } }

.review-card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid rgba(26,35,126,0.08);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.review-header { 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(--primary);
  flex-shrink: 0;
}
.review-location { font-size: 13px; color: var(--gray-dark); display: block; }
.stars { color: var(--gold); font-size: 16px; letter-spacing: 2px; }
.review-text { font-size: 14px; line-height: 1.7; color: var(--text-body); font-style: italic; }
.reviews-stars-img { text-align: center; }
.reviews-stars-img img { max-width: 280px; margin: 0 auto; }

/* ===== SECTION 7 & 13: PRICING ===== */
.pricing-section {
  background: linear-gradient(135deg, var(--primary) 0%, #1565c0 100%);
  color: var(--white);
}
.pricing-section .section-title { color: var(--white); }
.pricing-section .section-title span { color: var(--gold); }
.pricing-section .section-sub { color: rgba(255,255,255,0.8); }
.pricing-section-2 {
  background: linear-gradient(135deg, #0d1b2a 0%, var(--primary) 100%);
}

.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 12px;
}
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius);
  padding: 16px 32px;
  border: 2px solid rgba(255,255,255,0.2);
}
.countdown-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.countdown-unit span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(36px, 8vw, 64px);
  color: var(--gold);
  line-height: 1;
  min-width: 80px;
  text-align: center;
}
.countdown-unit small { font-size: 11px; color: rgba(255,255,255,0.6); letter-spacing: 2px; }
.countdown-sep {
  font-size: 48px;
  font-weight: 900;
  color: var(--gold);
  margin-bottom: 12px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
@media (max-width: 991px) { .pricing-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; } }
@media (min-width: 576px) and (max-width: 991px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; max-width: 100%; }
}

.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  color: var(--text-dark);
  transition: transform var(--transition);
}
.pricing-card:hover { transform: translateY(-4px); }
.pricing-popular {
  background: linear-gradient(135deg, #fff9c4, var(--white));
  border: 3px solid var(--gold);
  transform: scale(1.04);
}
.pricing-popular:hover { transform: scale(1.04) translateY(-4px); }
.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #1a0000;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  letter-spacing: 1px;
}
.pricing-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 4px;
}
.pricing-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--text-dark);
  margin-bottom: 4px;
}
.pricing-supply { font-size: 13px; color: var(--gray-dark); margin-bottom: 16px; }
.pricing-img { max-width: 160px; margin: 0 auto 20px; }
.pricing-price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 48px;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
}
.pricing-price small { font-size: 18px; font-weight: 600; }
.pricing-total { font-size: 15px; color: var(--gray-dark); margin-bottom: 16px; }
.pricing-total s { color: var(--danger); }
.pricing-bonus-badge, .pricing-ship-badge {
  display: inline-block;
  background: var(--green);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 50px;
  margin: 4px 2px;
}
.pricing-ship-badge { background: var(--primary); }
.pricing-cta {
  width: 100%;
  margin: 16px 0 12px;
  font-size: 15px;
  padding: 14px 20px;
}
.atc-img { width: 28px; height: 28px; object-fit: contain; }
.cards-img { max-width: 200px; margin: 8px auto 0; opacity: 0.8; }
.pricing-stars { text-align: center; margin-top: 40px; }
.pricing-stars img { max-width: 280px; margin: 0 auto; filter: brightness(10); }

/* ===== SECTION 8: BONUSES ===== */
.bonus-section { background: var(--off-white); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
@media (max-width: 768px) { .bonus-grid { grid-template-columns: 1fr; } }
.bonus-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--gold);
  transition: transform var(--transition);
}
.bonus-card:hover { transform: translateY(-4px); }
.bonus-number {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--gold-dark);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.bonus-card img {
  max-width: 200px;
  margin: 0 auto 20px;
  border-radius: var(--radius);
}
.bonus-card h3 { color: var(--primary); margin-bottom: 12px; font-size: 20px; }
.bonus-card p { font-size: 15px; color: var(--text-body); margin-bottom: 16px; }
.bonus-value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--green);
}
.bonus-value s { color: var(--gray-dark); }

/* ===== SECTION 9: INGREDIENTS ===== */
.ingredients-section { background: var(--white); }
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
@media (max-width: 991px) { .ingredients-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 576px) { .ingredients-grid { grid-template-columns: 1fr; } }

.ingredient-card {
  background: var(--gray-light);
  border-radius: var(--radius);
  padding: 24px 20px;
  border-left: 4px solid var(--primary);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ingredient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); background: var(--white); }
.ing-icon { font-size: 32px; margin-bottom: 12px; }
.ingredient-card h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; }
.ingredient-card p { font-size: 14px; line-height: 1.6; color: var(--text-body); }

/* ===== SECTION 10: SCIENCE ===== */
.science-section { background: var(--off-white); }
.science-accordion { max-width: 820px; margin: 0 auto; }

/* ===== SECTION 11: GUARANTEE ===== */
.guarantee-section { background: var(--white); }
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 768px) {
  .guarantee-grid { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .guarantee-image { order: -1; }
}
.guarantee-image img { max-width: 320px; margin: 0 auto; }
.guarantee-content h2 { margin-bottom: 16px; }
.guarantee-lead { font-size: 17px; color: var(--text-body); margin-bottom: 28px; }
.guarantee-items { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.guarantee-item { display: flex; gap: 16px; align-items: flex-start; }
@media (max-width: 768px) { .guarantee-item { text-align: left; } }
.g-icon { font-size: 32px; flex-shrink: 0; margin-top: 4px; }
.guarantee-item h3 { font-size: 17px; color: var(--primary); margin-bottom: 6px; }
.guarantee-item p { font-size: 14px; }

/* ===== SECTION 12: BENEFITS ===== */
.benefits-section { background: var(--gray-light); }
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 768px) { .benefits-grid { grid-template-columns: 1fr; } }
.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.benefit-check { font-size: 24px; flex-shrink: 0; margin-top: 2px; }
.benefit-item h3 { font-size: 16px; color: var(--primary); margin-bottom: 6px; }
.benefit-item p { font-size: 14px; line-height: 1.6; }

/* ===== SECTION 14: FAQ ===== */
.faq-section { background: var(--white); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }

/* ===== SECTION 15: FINAL CTA ===== */
.final-cta-section {
  background: linear-gradient(135deg, #0d1b2a 0%, var(--primary) 50%, #0288d1 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.final-cta-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 768px) {
  .final-cta-container { grid-template-columns: 1fr; gap: 32px; text-align: center; }
}
.final-cta-image img {
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 60px rgba(0,188,212,0.35));
  animation: float-bottle 4s ease-in-out infinite;
}
.final-cta-tag {
  display: inline-block;
  background: rgba(249,168,37,0.2);
  border: 1px solid rgba(249,168,37,0.5);
  color: var(--gold);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.final-cta-title {
  color: var(--white);
  font-size: clamp(22px, 4vw, 38px);
  margin-bottom: 24px;
}
.final-price-wrap {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}
.final-old-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 18px;
  color: rgba(255,255,255,0.6);
}
.final-old-price s { color: var(--danger); }
.final-new-price {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(20px, 4vw, 32px);
  color: var(--gold);
}
.final-new-price strong { font-weight: 900; }
.final-checklist {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 28px;
  text-align: left;
}
@media (max-width: 768px) { .final-checklist { text-align: center; } }
.final-checklist li {
  color: rgba(255,255,255,0.9);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 15px;
}
.final-cta-btn { background: linear-gradient(135deg, var(--gold-dark), var(--gold)); color: #1a0000; max-width: 460px; }
@media (max-width: 768px) { .final-cta-btn { width: 100%; max-width: 100%; } }
.final-urgency { color: rgba(255,255,255,0.7); font-size: 14px; margin-top: 14px; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 24px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 20px;
  color: var(--white);
}
.footer-logo { width: 36px; height: 36px; object-fit: contain; border-radius: 8px; }
.footer-social { display: flex; gap: 12px; }
.social-link {
  width: 44px;
  height: 44px;
  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 var(--transition), color var(--transition);
}
.social-link:hover { background: var(--primary); color: var(--white); }
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 24px;
}
.legal-link {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}
.legal-link:hover { color: var(--accent-2); }
.link-separator { color: rgba(255,255,255,0.3); font-size: 13px; }
.footer-disclaimer {
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.06);
}
.footer-disclaimer p { font-size: 12px; line-height: 1.7; margin-bottom: 8px; }
.footer-disclaimer p:last-child { margin-bottom: 0; }
.footer-copy {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-copy a { color: var(--accent-2); }

@media (max-width: 768px) {
  .footer-top { justify-content: center; text-align: center; }
  .footer-legal-links { justify-content: center; }
}

/* ===== PURCHASE POPUP ===== */
.purchase-popup {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 9999;
  background: var(--white);
  border-radius: var(--radius);
  padding: 12px 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.18);
  border-left: 4px solid var(--green);
  display: flex;
  align-items: center;
  max-width: 320px;
  transform: translateX(-120%);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
}
.purchase-popup.show { transform: translateX(0); }
.popup-inner { display: flex; align-items: center; gap: 12px; width: 100%; }
.popup-img { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; }
.popup-text { flex: 1; }
.popup-text strong { font-family: 'Montserrat', sans-serif; font-size: 14px; color: var(--text-dark); }
.popup-text p { font-size: 13px; color: var(--text-body); margin: 0; }
.popup-close {
  font-size: 16px;
  color: var(--gray-mid);
  padding: 4px 8px;
  min-width: 32px;
  min-height: 32px;
  transition: color var(--transition);
}
.popup-close:hover { color: var(--text-dark); }

@media (max-width: 576px) {
  .purchase-popup { left: 8px; right: 8px; max-width: none; bottom: 12px; }
}

/* ===== EXIT POPUP ===== */
.exit-popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.exit-popup-overlay.show { display: flex; animation: fadeInOverlay 0.3s ease; }
@keyframes fadeInOverlay { from { opacity: 0; } to { opacity: 1; } }
.exit-popup-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  animation: slideUpPop 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes slideUpPop { from { opacity: 0; transform: translateY(40px) scale(0.95); } to { opacity: 1; transform: translateY(0) scale(1); } }
.exit-popup-close {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: 20px;
  color: var(--gray-dark);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition);
}
.exit-popup-close:hover { background: var(--gray-light); }
.exit-popup-badge {
  display: inline-block;
  background: var(--danger);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.exit-popup-title { font-size: clamp(22px, 4vw, 30px); margin-bottom: 12px; color: var(--text-dark); }
.exit-popup-sub { font-size: 15px; color: var(--text-body); margin-bottom: 20px; }
.exit-popup-img { max-width: 180px; margin: 0 auto 20px; }
.exit-popup-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #1a0000;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 50px;
  min-height: 56px;
  width: 100%;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(249,168,37,0.4);
  margin-bottom: 12px;
}
.exit-popup-cta:hover { transform: scale(1.03); box-shadow: 0 8px 32px rgba(249,168,37,0.5); }
.exit-popup-note { font-size: 12px; color: var(--gray-dark); }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 20px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  border-radius: 50%;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  z-index: 9000;
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity var(--transition), transform var(--transition);
}
.scroll-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-3px); }

/* ===== REVEAL ANIMATIONS ===== */
.reveal-card, .reveal-left, .reveal-right {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-card.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1;
  transform: translate(0,0);
}

/* Stagger children */
.stagger-children .why-card:nth-child(1) { transition-delay: 0s; }
.stagger-children .why-card:nth-child(2) { transition-delay: 0.1s; }
.stagger-children .why-card:nth-child(3) { transition-delay: 0.2s; }
.stagger-children .why-card:nth-child(4) { transition-delay: 0.3s; }

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .animate-float, .hero-bottle, .final-cta-image img { animation: none; }
}