/* ============================================================
   NEUROCELL — styles.css
   Design: Medical Professional + Vibrant Blue Gradient
   Fonts: Montserrat (headings) + Open Sans (body)
   ============================================================ */

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Open Sans', sans-serif;
  background: #f0f4ff;
  color: #1a2340;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }

/* ---- CSS Variables ---- */
:root {
  --primary: #1a56db;
  --primary-dark: #1239a0;
  --primary-light: #3b82f6;
  --accent: #06b6d4;
  --accent2: #10b981;
  --gold: #f59e0b;
  --dark: #0f172a;
  --text: #1e293b;
  --text-light: #64748b;
  --white: #ffffff;
  --bg-light: #f0f4ff;
  --bg-card: #ffffff;
  --border: #e2e8f0;
  --gradient: linear-gradient(135deg, #1a56db 0%, #06b6d4 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1a2340 50%, #1a56db 100%);
  --shadow-sm: 0 2px 8px rgba(26,86,219,0.1);
  --shadow-md: 0 4px 20px rgba(26,86,219,0.15);
  --shadow-lg: 0 8px 40px rgba(26,86,219,0.2);
  --radius: 16px;
  --radius-sm: 8px;
  --radius-lg: 24px;
}

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

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  min-height: 52px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
  box-shadow: 0 4px 20px rgba(26,86,219,0.35);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
  transition: left 0.5s ease;
}
.btn-primary:hover::before { left: 100%; }
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(26,86,219,0.45);
}
.btn-primary:active { transform: scale(0.97); }
@media (max-width: 768px) {
  .btn-primary:active { transform: scale(0.98); }
}
.btn-arrow { font-size: 1.2em; }

/* pulse animation */
.pulse {
  animation: pulsate 2s infinite;
}
@keyframes pulsate {
  0%, 100% { box-shadow: 0 4px 20px rgba(26,86,219,0.35); }
  50% { box-shadow: 0 4px 32px rgba(6,182,212,0.55), 0 0 0 6px rgba(26,86,219,0.15); }
}

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; line-height: 1.2; color: var(--dark); }
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
  display: block;
}
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); margin-bottom: 12px; }
.section-subtitle { color: var(--text-light); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }

/* ============================================================
   AOS — Scroll Animations
   ============================================================ */
[data-aos] { opacity: 0; transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos="fade-up"] { transform: translateY(40px); }
[data-aos="fade-left"] { transform: translateX(40px); }
[data-aos="fade-right"] { transform: translateX(-40px); }
[data-aos="slide-up"] { transform: translateY(60px); }
[data-aos="zoom-in"] { transform: scale(0.85); }
[data-aos].aos-animate { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  [data-aos] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* ============================================================
   SECTION 1: NAVIGATION
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15,23,42,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26,86,219,0.2);
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}
.navbar.scrolled {
  padding: 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--white);
}
.nav-logo img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  color: rgba(255,255,255,0.85);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
  white-space: nowrap;
}
.nav-link:hover { color: var(--white); background: rgba(26,86,219,0.3); }
.btn-nav {
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 50px;
  min-height: 44px;
  white-space: nowrap;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 2px 12px rgba(26,86,219,0.4);
}
.btn-nav:hover { transform: scale(1.05); box-shadow: 0 4px 18px rgba(26,86,219,0.5); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 73px; left: 0; right: 0;
    background: rgba(15,23,42,0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 20px;
    gap: 12px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform 0.35s ease, opacity 0.35s ease;
    border-bottom: 1px solid rgba(26,86,219,0.2);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; }
  .nav-link { width: 100%; text-align: center; padding: 12px; font-size: 1rem; }
  .btn-nav { width: 100%; text-align: center; padding: 14px; font-size: 1rem; }
}

/* ============================================================
   SECTION 2: HERO
   ============================================================ */
.hero {
  background: var(--gradient-hero);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}
.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
/* Hero Image */
.hero-image {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 340px; height: 340px;
  background: radial-gradient(circle, rgba(26,86,219,0.5) 0%, rgba(6,182,212,0.2) 60%, transparent 80%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 0;
}
@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-bottle {
  max-width: 320px;
  width: 100%;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 60px rgba(6,182,212,0.4));
  animation: bottleFloat 4s ease-in-out infinite;
}
@keyframes bottleFloat {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-badge-float {
  position: absolute;
  top: 10px; right: -10px;
  background: var(--gold);
  color: var(--dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.78rem;
  padding: 8px 14px;
  border-radius: 50px;
  box-shadow: 0 4px 14px rgba(245,158,11,0.4);
  z-index: 2;
  animation: badgeBounce 2.5s ease-in-out infinite;
}
@keyframes badgeBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
/* Hero Content */
.hero-content { color: var(--white); }
.hero-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: block;
}
.hero-title {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 900;
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero-desc { color: rgba(255,255,255,0.85); margin-bottom: 16px; font-size: 1rem; }
.hero-stars { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.stars { color: var(--gold); font-size: 1.2rem; letter-spacing: 2px; }
.review-count { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.btn-hero { font-size: 1.05rem; padding: 18px 36px; width: 100%; max-width: 420px; }
.btn-hero .btn-sub { display: block; font-size: 0.75rem; font-weight: 400; opacity: 0.85; }
.hero-guarantee { margin-top: 16px; color: rgba(255,255,255,0.65); font-size: 0.85rem; }

@media (max-width: 768px) {
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero-container { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .hero-image { order: 1; }
  .hero-content { order: 2; }
  .hero-bottle { max-width: 220px; }
  .hero-glow { width: 220px; height: 220px; }
  .hero-title { font-size: 1.6rem; }
  .hero-stars { justify-content: center; }
  .btn-hero { max-width: 100%; }
  .hero-badge-float { top: 0; right: 20px; }
}

/* ============================================================
   SECTION 3: WHY CHOOSE
   ============================================================ */
.why-choose {
  padding: 80px 0;
  background: var(--white);
}
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.badge-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease, rotate 0.3s ease;
  cursor: default;
}
.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.badge-icon { width: 80px; height: 80px; margin: 0 auto 16px; }
.badge-icon img { width: 100%; height: 100%; object-fit: contain; }
.badge-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.badge-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

@media (max-width: 991px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .badges-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 4: WHAT IS
   ============================================================ */
.what-is {
  padding: 80px 0;
  background: var(--bg-light);
}
.what-is-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.what-is-image { position: relative; }
.image-wrapper {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.image-wrapper img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.image-overlay-badge {
  position: absolute;
  bottom: 16px; left: 16px;
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 8px 18px;
  border-radius: 50px;
}
.what-is-content h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 16px; }
.what-is-content p { color: var(--text-light); margin-bottom: 16px; font-size: 1rem; }
.what-is-content .btn-primary { margin-top: 12px; }

@media (max-width: 768px) {
  .what-is-container { grid-template-columns: 1fr; gap: 30px; }
  .what-is-image { order: 1; }
  .what-is-content { order: 2; }
}

/* ============================================================
   SECTION 5: HOW IT WORKS
   ============================================================ */
.how-it-works {
  padding: 80px 0;
  background: var(--dark);
}
.how-it-works .section-eyebrow { color: var(--accent); }
.how-it-works .section-header h2 { color: var(--white); }
.how-it-works .section-subtitle { color: rgba(255,255,255,0.6); }
.accordion-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.accordion-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}
.accordion-item.active,
.accordion-item:hover { border-color: rgba(26,86,219,0.5); }
.accordion-header {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  text-align: left;
  min-height: 60px;
}
.acc-icon { font-size: 1.4rem; flex-shrink: 0; }
.acc-toggle {
  margin-left: auto;
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.accordion-item.active .acc-toggle { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.accordion-item.active .accordion-body { max-height: 400px; }
.accordion-body p {
  padding: 0 24px 20px 60px;
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 768px) {
  .accordion-header { padding: 16px 18px; font-size: 0.92rem; }
  .accordion-body p { padding: 0 18px 16px 18px; }
}

/* ============================================================
   SECTION 6: REVIEWS
   ============================================================ */
.reviews {
  padding: 80px 0;
  background: var(--white);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.review-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.reviewer-photo {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-light);
  flex-shrink: 0;
}
.reviewer-info strong { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem; }
.reviewer-info span { font-size: 0.8rem; color: var(--text-light); }
.reviewer-info .stars { color: var(--gold); font-size: 0.9rem; margin-top: 2px; }
.review-text { color: var(--text); font-size: 0.92rem; line-height: 1.7; margin-bottom: 14px; }
.review-verified { font-size: 0.8rem; color: var(--accent2); font-weight: 600; }
.reviews-stars-img { text-align: center; margin-top: 40px; }
.reviews-stars-img img { max-width: 280px; margin: 0 auto; }

@media (max-width: 991px) {
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .reviews-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 7 & 13: PRICING
   ============================================================ */
.pricing {
  padding: 80px 0;
  background: var(--bg-light);
}
.pricing-second { background: var(--dark); }
.pricing-second .section-eyebrow { color: var(--accent); }
.pricing-second .section-header h2 { color: var(--white); }
.pricing-second .section-subtitle { color: rgba(255,255,255,0.6); }

/* Countdown */
.countdown-wrapper {
  text-align: center;
  margin-bottom: 48px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  font-size: 1rem;
}
.pricing-second .countdown-label { color: var(--accent); }
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--dark);
  color: var(--white);
  padding: 16px 32px;
  border-radius: var(--radius);
  box-shadow: 0 4px 24px rgba(26,86,219,0.3);
}
.pricing-second .countdown { background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15); }
.time-block { text-align: center; }
.time-block span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
}
.time-block label { font-size: 0.65rem; font-weight: 700; letter-spacing: 2px; color: rgba(255,255,255,0.6); }
.colon { font-size: 2.5rem; font-weight: 900; color: var(--accent); align-self: flex-start; padding-top: 2px; }

/* Pricing Grid */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}
.price-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);
  box-shadow: var(--shadow-lg);
  transform: scale(1.03);
}
.price-card.featured:hover { transform: scale(1.03) translateY(-6px); }
.popular-ribbon {
  position: absolute;
  top: -16px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(26,86,219,0.4);
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 6px;
}
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--dark);
  margin-bottom: 4px;
}
.price-supply { font-size: 0.8rem; color: var(--text-light); margin-bottom: 16px; }
.price-card img:not(.atc-img):not(.cards-img) {
  max-height: 160px;
  object-fit: contain;
  margin: 0 auto 16px;
}
.price-per {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1;
}
.price-per-label { font-size: 0.8rem; color: var(--text-light); margin-bottom: 8px; }
.price-total { font-size: 1rem; color: var(--text); margin-bottom: 14px; }
.price-total s { color: var(--text-light); margin-right: 6px; }
.price-total strong { color: var(--primary-dark); font-family: 'Montserrat', sans-serif; }
.price-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-bottom: 14px; }
.badge-pill {
  background: var(--accent2);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.btn-price {
  width: 100%;
  font-size: 0.9rem;
  padding: 14px 20px;
  margin-bottom: 12px;
  gap: 6px;
}
.atc-img { width: 20px; height: 20px; object-fit: contain; }
.cards-img { max-width: 200px; margin: 0 auto; opacity: 0.8; }
.rating-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  color: var(--text-light);
  font-size: 0.9rem;
}
.rating-row img { max-width: 200px; }

@media (max-width: 991px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .price-card.featured { transform: scale(1); }
}
@media (max-width: 575px) {
  .countdown { padding: 14px 20px; }
  .time-block span { font-size: 2rem; }
}

/* ============================================================
   SECTION 8: BONUS
   ============================================================ */
.bonus {
  padding: 80px 0;
  background: var(--white);
}
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.bonus-card {
  background: linear-gradient(135deg, #f0f4ff 0%, #e8f0ff 100%);
  border: 1px solid rgba(26,86,219,0.15);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-number {
  position: absolute;
  top: -14px; left: 20px;
  background: var(--gradient);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.72rem;
  padding: 5px 14px;
  border-radius: 50px;
  letter-spacing: 1px;
}
.bonus-card img { max-height: 180px; object-fit: contain; margin: 0 auto 20px; }
.bonus-card h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 12px; color: var(--dark); }
.bonus-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.65; }

@media (max-width: 768px) {
  .bonus-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 9: INGREDIENTS
   ============================================================ */
.ingredients {
  padding: 80px 0;
  background: var(--bg-light);
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ingredient-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;
}
.ingredient-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.ingr-icon { font-size: 2rem; margin-bottom: 12px; }
.ingredient-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: var(--primary-dark); }
.ingredient-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.65; }

@media (max-width: 991px) {
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .ingredients-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 10: SCIENCE
   ============================================================ */
.science {
  padding: 80px 0;
  background: var(--white);
}
.science-list { display: flex; flex-direction: column; gap: 24px; max-width: 900px; margin: 0 auto; }
.science-item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  align-items: start;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform 0.3s, box-shadow 0.3s;
}
.science-item:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.science-num {
  font-family: 'Montserrat', sans-serif;
  font-size: 2rem;
  font-weight: 900;
  color: var(--primary-light);
  opacity: 0.4;
  line-height: 1;
  padding-top: 4px;
}
.science-content h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; color: var(--primary-dark); }
.science-content p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }

@media (max-width: 575px) {
  .science-item { grid-template-columns: 1fr; gap: 10px; }
  .science-num { font-size: 1.4rem; }
}

/* ============================================================
   SECTION 11: GUARANTEE
   ============================================================ */
.guarantee {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1a2340 100%);
}
.guarantee .section-eyebrow { color: var(--accent); }
.guarantee-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}
.guarantee-image img {
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 8px 40px rgba(6,182,212,0.3));
  animation: gGuaranteeFloat 3s ease-in-out infinite;
}
@keyframes gGuaranteeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.guarantee-content h2 { font-size: clamp(1.4rem, 3vw, 2rem); margin-bottom: 28px; color: var(--white); }
.guarantee-point { display: flex; gap: 18px; margin-bottom: 24px; align-items: flex-start; }
.g-icon { font-size: 2rem; flex-shrink: 0; }
.guarantee-point h3 { font-size: 1rem; font-weight: 700; color: var(--white); margin-bottom: 8px; }
.guarantee-point p { font-size: 0.9rem; color: rgba(255,255,255,0.7); line-height: 1.7; }
.guarantee-content .btn-primary { margin-top: 12px; }

@media (max-width: 768px) {
  .guarantee-container { grid-template-columns: 1fr; text-align: center; }
  .guarantee-point { flex-direction: column; align-items: center; text-align: center; }
}

/* ============================================================
   SECTION 12: BENEFITS
   ============================================================ */
.benefits {
  padding: 80px 0;
  background: var(--bg-light);
}
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  gap: 16px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  align-items: flex-start;
  transition: transform 0.3s, box-shadow 0.3s;
}
.benefit-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.benefit-check { font-size: 1.4rem; flex-shrink: 0; }
.benefit-item h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 6px; color: var(--primary-dark); }
.benefit-item p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

@media (max-width: 768px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   SECTION 14: FAQ
   ============================================================ */
.faq {
  padding: 80px 0;
  background: var(--white);
}
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--dark);
  text-align: left;
  min-height: 60px;
}
.faq-toggle {
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--primary);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.active .faq-answer { max-height: 400px; }
.faq-answer p { padding: 0 24px 20px; font-size: 0.92rem; color: var(--text-light); line-height: 1.7; }

@media (max-width: 768px) {
  .faq-question { padding: 16px 18px; font-size: 0.88rem; }
  .faq-answer p { padding: 0 18px 16px; }
}

/* ============================================================
   SECTION 15: FINAL CTA
   ============================================================ */
.final-cta {
  padding: 100px 0;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(26,86,219,0.3) 0%, transparent 70%);
  pointer-events: none;
}
.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.final-cta-image { position: relative; display: flex; justify-content: center; }
.final-bottle-img {
  max-width: 300px;
  filter: drop-shadow(0 20px 60px rgba(6,182,212,0.5));
  animation: finalBottleFloat 4s ease-in-out infinite;
}
@keyframes finalBottleFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-16px) scale(1.02); }
}
.final-glow-ring {
  position: absolute;
  width: 320px; height: 320px;
  border: 2px solid rgba(6,182,212,0.3);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: ringExpand 3s ease-in-out infinite;
}
@keyframes ringExpand {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
  50% { transform: translate(-50%, -50%) scale(1.15); opacity: 1; }
}
.final-cta-content { color: var(--white); }
.final-cta-content .section-eyebrow { color: var(--gold); }
.final-cta-content h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); color: var(--white); margin-bottom: 16px; }
.final-cta-content p { color: rgba(255,255,255,0.8); margin-bottom: 24px; }
.final-price { display: flex; flex-direction: column; gap: 6px; margin-bottom: 24px; }
.price-old { color: rgba(255,255,255,0.55); font-size: 1rem; }
.price-new {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--gold);
}
.btn-final {
  font-size: 1.1rem;
  padding: 18px 36px;
  flex-direction: column;
  gap: 4px;
  width: 100%;
  max-width: 420px;
}
.btn-final .btn-sub { font-size: 0.72rem; font-weight: 400; opacity: 0.85; }
.final-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.final-badges span {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
}

@media (max-width: 768px) {
  .final-cta-container { grid-template-columns: 1fr; text-align: center; gap: 30px; }
  .final-bottle-img { max-width: 200px; }
  .btn-final { max-width: 100%; }
  .final-badges { justify-content: center; }
  .final-glow-ring { width: 220px; height: 220px; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #080f1f;
  padding: 60px 0 30px;
  color: rgba(255,255,255,0.7);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img {
  width: 48px; height: 48px;
  object-fit: contain;
  border-radius: 8px;
  margin-bottom: 8px;
}
.footer-brand span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 12px;
}
.footer-brand p { font-size: 0.88rem; line-height: 1.7; margin-bottom: 20px; }
.social-icons { display: flex; gap: 12px; }
.social-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  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;
  min-width: 40px;
}
.social-icon:hover { background: var(--primary); color: var(--white); transform: translateY(-3px); }
.social-icon svg { width: 18px; height: 18px; }
.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.footer-links-col a {
  display: block;
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  margin-bottom: 10px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-links-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { text-align: center; }
.footer-legal-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-bottom: 20px; }
.legal-link { color: rgba(255,255,255,0.5); font-size: 0.82rem; transition: color 0.2s; }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.2); }
.disclaimer-text { font-size: 0.78rem; color: rgba(255,255,255,0.35); line-height: 1.6; max-width: 800px; margin: 0 auto 16px; }
.copyright { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.copyright a { color: var(--accent); }

@media (max-width: 768px) {
  .footer-top { grid-template-columns: 1fr; text-align: center; }
  .social-icons { justify-content: center; }
  .footer-legal-links { flex-direction: column; align-items: center; }
  .link-separator { display: none; }
}

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 30px; right: 24px;
  width: 52px; height: 52px;
  background: var(--gradient);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(26,86,219,0.4);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.2s;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: scale(1.1) translateY(-3px); }

/* ============================================================
   PURCHASE POPUP
   ============================================================ */
.purchase-popup {
  position: fixed;
  bottom: -100px;
  left: 20px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.12);
  z-index: 800;
  transition: bottom 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 320px;
  width: calc(100% - 40px);
}
.purchase-popup.show { bottom: 80px; }
.popup-avatar { font-size: 2rem; }
.popup-text { flex: 1; }
.popup-text strong { display: block; font-family: 'Montserrat', sans-serif; font-size: 0.88rem; font-weight: 700; color: var(--dark); }
.popup-text span { font-size: 0.8rem; color: var(--text-light); }
.popup-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-light);
  cursor: pointer;
  min-width: 28px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

@media (max-width: 575px) {
  .scroll-top { bottom: 20px; right: 16px; }
  .purchase-popup { left: 10px; right: 10px; width: auto; max-width: none; }
  .purchase-popup.show { bottom: 70px; }
}

/* ============================================================
   MODAL / EXIT POPUP
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: scale(0.9);
  transition: transform 0.3s ease;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-overlay.active .modal-box { transform: scale(1); }
.modal-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-light);
  cursor: pointer;
  min-width: 40px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-emoji { font-size: 3rem; margin-bottom: 12px; }
.modal-box h3 { font-size: 1.3rem; font-weight: 800; margin-bottom: 12px; }
.modal-box p { color: var(--text-light); margin-bottom: 24px; }
.modal-btn { width: 100%; font-size: 1rem; padding: 16px; }
.modal-skip {
  display: block;
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--text-light);
  text-decoration: underline;
  cursor: pointer;
}

/* ============================================================
   SECTION PADDING — MOBILE ADJUSTMENTS
   ============================================================ */
@media (max-width: 768px) {
  .why-choose,
  .what-is,
  .how-it-works,
  .reviews,
  .pricing,
  .bonus,
  .ingredients,
  .science,
  .guarantee,
  .benefits,
  .faq,
  .final-cta,
  .footer { padding-top: 60px; padding-bottom: 60px; }

  .section-header { margin-bottom: 32px; }
  .section-header h2 { font-size: 1.5rem; }
}