/* ============================================================
   NEURO PILLS — STYLES.CSS
   Design: Medical Professional + Luxury Brain Theme
   Colors: Deep Navy #0F1B3D, Electric Blue #1E90FF, Gold #FFD700
   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: #fff;
  color: #1a1a2e;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
input, select, textarea { font-size: 16px; }

/* --- CSS VARIABLES --- */
:root {
  --navy: #0F1B3D;
  --blue: #1E90FF;
  --blue-dark: #0066CC;
  --gold: #FFD700;
  --gold-dark: #E6C200;
  --cyan: #00D4FF;
  --white: #ffffff;
  --light-bg: #F0F4FF;
  --text-dark: #1a1a2e;
  --text-mid: #444;
  --text-light: #666;
  --grad: linear-gradient(135deg, #1E90FF 0%, #00D4FF 100%);
  --grad-gold: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
  --shadow-sm: 0 4px 15px rgba(30,144,255,.15);
  --shadow-md: 0 8px 30px rgba(30,144,255,.25);
  --shadow-lg: 0 16px 60px rgba(30,144,255,.3);
  --radius: 16px;
  --radius-sm: 10px;
  --trans: all .3s ease;
}

/* --- TYPOGRAPHY --- */
h1,h2,h3,h4,h5 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(26px, 5vw, 52px); }
h2 { font-size: clamp(22px, 4vw, 40px); }
h3 { font-size: clamp(18px, 3vw, 26px); }
h4 { font-size: clamp(16px, 2.5vw, 20px); }
p { font-size: 16px; color: var(--text-mid); line-height: 1.8; }

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

/* --- CONTAINER --- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }
.section-pad { padding: 80px 0; }
.bg-light { background: var(--light-bg); }

/* --- BUTTONS --- */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--grad);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--trans);
  box-shadow: var(--shadow-md);
  min-height: 52px;
  text-align: center;
  white-space: nowrap;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); background: linear-gradient(135deg, #0066CC, #00A8CC); }
.btn-primary:active { transform: scale(0.98); }

/* --- SECTION HEADER --- */
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { color: var(--text-light); font-size: 18px; max-width: 600px; margin: 0 auto; }

/* ============================================================
   SECTION 1: NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(15,27,61,.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30,144,255,.2);
  transition: all .3s ease;
  padding: 0;
}
.nav-container {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1200px; margin: 0 auto; padding: 14px 20px;
  gap: 16px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 700;
  color: #fff;
}
.nav-logo img { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; }
.nav-logo strong { color: var(--cyan); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  color: rgba(255,255,255,.85); font-family: 'Montserrat', sans-serif;
  font-weight: 600; font-size: 15px; transition: var(--trans);
  padding: 4px 0; border-bottom: 2px solid transparent;
}
.nav-links a:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.btn-nav-cta { padding: 12px 26px; font-size: 14px; min-height: 44px; }
.btn-nav-close { display: none; background: none; border: none; color: #fff; font-size: 22px; cursor: pointer; }
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.hamburger span { display: block; width: 26px; height: 2px; background: #fff; border-radius: 2px; transition: var(--trans); }
.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 998; }

/* ============================================================
   SECTION 2: HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--navy) 0%, #0a2140 50%, #0d3060 100%);
  display: flex; align-items: center; padding-top: 90px;
  position: relative; overflow: hidden;
}
.hero-particles { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.hero-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
  align-items: center; position: relative; z-index: 2; padding: 60px 20px;
}
.hero-image-wrap {
  position: relative; display: flex; align-items: center; justify-content: center;
}
.hero-glow {
  position: absolute; width: 350px; height: 350px; border-radius: 50%;
  background: radial-gradient(circle, rgba(30,144,255,.4) 0%, transparent 70%);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  animation: pulseGlow 3s ease-in-out infinite;
}
@keyframes pulseGlow { 0%,100% { transform: translate(-50%,-50%) scale(1); opacity: .6; } 50% { transform: translate(-50%,-50%) scale(1.15); opacity: 1; } }
.hero-bottle {
  max-width: 380px; width: 100%; position: relative; z-index: 2;
  filter: drop-shadow(0 20px 60px rgba(30,144,255,.5));
}
.float-anim { animation: floatBottle 4s ease-in-out infinite; }
@keyframes floatBottle {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
.hero-badge-float {
  position: absolute; background: rgba(255,255,255,.12);
  backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,.25);
  color: #fff; font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 13px; padding: 8px 16px; border-radius: 30px;
  white-space: nowrap; z-index: 3;
}
.badge-1 { top: 10%; right: 0; animation: floatBadge1 3s ease-in-out infinite; }
.badge-2 { bottom: 15%; left: 0; animation: floatBadge2 3.5s ease-in-out infinite; }
@keyframes floatBadge1 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes floatBadge2 { 0%,100% { transform: translateY(0); } 50% { transform: translateY(10px); } }
.hero-content { color: #fff; }
.hero-eyebrow {
  display: inline-block; background: rgba(255,215,0,.15);
  border: 1px solid rgba(255,215,0,.4); color: var(--gold);
  font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 13px;
  padding: 8px 18px; border-radius: 30px; margin-bottom: 20px;
  letter-spacing: 1px; text-transform: uppercase;
}
.hero-h1 { color: #fff; margin-bottom: 24px; }
.hero-h1 .gradient-text { -webkit-text-fill-color: transparent; }
.hero-desc { color: rgba(255,255,255,.85); margin-bottom: 16px; font-size: 17px; }
.hero-stars { display: flex; align-items: center; gap: 10px; margin: 20px 0; font-size: 18px; color: var(--gold); }
.hero-stars span { font-size: 14px; color: rgba(255,255,255,.7); font-family: 'Open Sans', sans-serif; }
.btn-hero { font-size: 18px; padding: 18px 40px; margin-bottom: 20px; width: 100%; max-width: 420px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-trust span { font-size: 13px; color: rgba(255,255,255,.7); font-family: 'Montserrat', sans-serif; }

/* ============================================================
   SECTION 3: WHY CHOOSE US
   ============================================================ */
.badges-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.badge-card {
  background: #fff; border-radius: var(--radius); padding: 32px 24px;
  text-align: center; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(30,144,255,.1);
  transition: transform .4s ease, box-shadow .4s ease;
}
.badge-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-lg); }
.badge-card img { width: 80px; height: 80px; object-fit: contain; margin: 0 auto 16px; }
.badge-card h3 { font-size: 15px; color: var(--navy); margin-bottom: 10px; }
.badge-card p { font-size: 14px; color: var(--text-light); }

/* ============================================================
   SECTION 4: WHAT IS
   ============================================================ */
.what-is-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.image-frame {
  border-radius: 24px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(30,144,255,.2);
  border: 3px solid rgba(30,144,255,.2);
}
.image-frame img { width: 100%; }
.section-eyebrow {
  display: inline-block; background: var(--light-bg);
  color: var(--blue); font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: 12px; padding: 6px 16px; border-radius: 20px; margin-bottom: 16px;
  text-transform: uppercase; letter-spacing: 1px;
}
.what-is-content h2 { margin-bottom: 24px; }
.what-is-content p { margin-bottom: 16px; }
.what-is-content .btn-primary { margin-top: 16px; }

/* ============================================================
   SECTION 5: HOW IT WORKS + ACCORDIONS
   ============================================================ */
.accordion-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: #fff; border-radius: var(--radius-sm);
  border: 1px solid rgba(30,144,255,.15);
  box-shadow: var(--shadow-sm); overflow: hidden;
}
.accordion-btn {
  width: 100%; display: flex; align-items: center; gap: 12px;
  padding: 18px 22px; background: none; border: none; cursor: pointer;
  font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 16px;
  color: var(--navy); text-align: left; min-height: 60px;
  transition: background .2s;
}
.accordion-btn:hover { background: rgba(30,144,255,.05); }
.acc-icon { font-size: 20px; flex-shrink: 0; }
.accordion-btn span:nth-child(2) { flex: 1; }
.acc-arrow { font-size: 12px; transition: transform .3s; flex-shrink: 0; color: var(--blue); }
.accordion-item.active .acc-arrow { transform: rotate(180deg); }
.accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, padding .4s ease;
  padding: 0 22px;
}
.accordion-item.active .accordion-body { max-height: 400px; padding: 0 22px 18px; }
.accordion-body p { font-size: 15px; }

/* ============================================================
   SECTION 6: REVIEWS
   ============================================================ */
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.review-card {
  background: #fff; border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-sm); border-left: 4px solid var(--blue);
  transition: var(--trans);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.review-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.review-avatar { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; border: 3px solid var(--blue); flex-shrink: 0; }
.review-top strong { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; }
.review-top span { font-size: 13px; color: var(--text-light); }
.stars { font-size: 14px; margin-top: 4px; }
.review-card p { font-size: 15px; font-style: italic; color: var(--text-mid); }

/* ============================================================
   SECTION 7 & 13: PRICING
   ============================================================ */
.countdown-wrap {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  margin-bottom: 40px; font-family: 'Montserrat', sans-serif; font-weight: 600; color: var(--navy);
  font-size: 16px; flex-wrap: wrap;
}
.countdown { display: flex; align-items: center; gap: 8px; }
.cd-block {
  display: flex; flex-direction: column; align-items: center;
  background: var(--navy); color: #fff; padding: 12px 20px;
  border-radius: var(--radius-sm); min-width: 70px;
}
.cd-block span { font-size: 36px; font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1; }
.cd-block small { font-size: 11px; letter-spacing: 2px; opacity: .7; margin-top: 4px; }
.cd-sep { font-size: 30px; font-weight: 800; color: var(--navy); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
.price-card {
  background: #fff; border-radius: var(--radius); padding: 32px 24px;
  text-align: center; box-shadow: var(--shadow-sm);
  border: 2px solid rgba(30,144,255,.1);
  position: relative; transition: var(--trans);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card img { margin: 16px auto; }
.price-label { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 18px; color: var(--navy); text-transform: uppercase; letter-spacing: 2px; }
.price-qty { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 22px; color: var(--blue); margin-top: 4px; }
.price-supply { font-size: 14px; color: var(--text-light); margin-bottom: 8px; }
.price-amount { font-size: 32px; margin: 16px 0 4px; }
.price-amount s { font-size: 18px; color: var(--text-light); font-weight: 400; margin-right: 8px; }
.price-amount strong { color: var(--navy); font-family: 'Montserrat', sans-serif; }
.price-per { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
.price-badges { display: flex; flex-direction: column; gap: 6px; margin-bottom: 12px; }
.badge-free, .badge-ship {
  display: inline-block; padding: 6px 14px; border-radius: 20px;
  font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 12px; letter-spacing: .5px;
}
.badge-free { background: rgba(30,144,255,.1); color: var(--blue); }
.badge-ship { background: rgba(0,200,100,.1); color: #00A855; }
.btn-price { width: 100%; margin: 12px 0 10px; font-size: 15px; padding: 14px; }
.payment-logos { margin: 8px auto 0; width: 180px; height: auto; }
.price-popular {
  border-color: var(--blue); border-width: 3px;
  box-shadow: var(--shadow-lg);
  transform: scale(1.04);
}
.price-popular:hover { transform: scale(1.08) translateY(-6px); }
.popular-ribbon {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff;
  font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 13px;
  padding: 7px 22px; border-radius: 20px; white-space: nowrap;
  box-shadow: 0 4px 14px rgba(30,144,255,.4);
}
.rating-wrap { display: flex; align-items: center; justify-content: center; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.rating-wrap span { font-family: 'Montserrat', sans-serif; font-weight: 600; color: var(--navy); font-size: 15px; }
.rating-wrap img { height: 40px; width: auto; }

/* ============================================================
   SECTION 8: BONUSES
   ============================================================ */
.bonus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.bonus-card {
  background: #fff; border-radius: var(--radius); padding: 40px 32px;
  text-align: center; box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--gold); transition: var(--trans);
}
.bonus-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.bonus-number {
  display: inline-block; background: var(--grad-gold); color: var(--navy);
  font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 12px;
  padding: 6px 16px; border-radius: 20px; margin-bottom: 16px; letter-spacing: 2px;
}
.bonus-card img { margin: 0 auto 20px; max-height: 200px; object-fit: contain; }
.bonus-card h3 { color: var(--navy); margin-bottom: 12px; }
.bonus-card p { font-size: 15px; }

/* ============================================================
   SECTION 9: INGREDIENTS
   ============================================================ */
.ing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ing-card {
  background: #fff; border-radius: var(--radius-sm); padding: 24px 20px;
  border-left: 4px solid var(--blue); box-shadow: var(--shadow-sm);
  transition: var(--trans); position: relative;
}
.ing-card:hover { transform: translateX(6px); box-shadow: var(--shadow-md); }
.ing-num {
  font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 36px;
  color: rgba(30,144,255,.1); position: absolute; top: 12px; right: 16px; line-height: 1;
}
.ing-card h3 { font-size: 16px; color: var(--navy); margin-bottom: 10px; }
.ing-card p { font-size: 14px; color: var(--text-light); }

/* ============================================================
   SECTION 10: SCIENCE
   ============================================================ */
.science-list { max-width: 900px; margin: 0 auto; }
.science-item { border-left: 4px solid var(--gold); }
.science-item .accordion-btn { font-size: 17px; }

/* ============================================================
   SECTION 11: GUARANTEE
   ============================================================ */
.guarantee-grid { display: grid; grid-template-columns: auto 1fr; gap: 60px; align-items: center; }
.guarantee-image img { max-width: 280px; filter: drop-shadow(0 10px 30px rgba(30,144,255,.2)); }
.guarantee-content h2 { margin-bottom: 16px; }
.guarantee-content > p { margin-bottom: 28px; color: var(--text-mid); }
.guarantee-points { display: flex; flex-direction: column; gap: 22px; margin-bottom: 32px; }
.g-point { display: flex; gap: 16px; align-items: flex-start; }
.g-icon { font-size: 28px; flex-shrink: 0; }
.g-point h4 { margin-bottom: 6px; color: var(--navy); }
.g-point p { font-size: 15px; }

/* ============================================================
   SECTION 12: BENEFITS
   ============================================================ */
.benefits-wrap { display: grid; grid-template-columns: auto 1fr; gap: 60px; align-items: start; }
.benefits-image img { max-width: 360px; border-radius: var(--radius); box-shadow: var(--shadow-md); }
.benefits-list { display: flex; flex-direction: column; gap: 16px; }
.benefit-item { display: flex; gap: 14px; align-items: flex-start; }
.b-check { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.benefit-item h4 { color: var(--navy); margin-bottom: 4px; }
.benefit-item p { font-size: 14px; }

/* ============================================================
   SECTION 14: FAQ
   ============================================================ */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-list .accordion-item { border-color: rgba(255,215,0,.3); }
.faq-list .accordion-btn { color: var(--navy); }

/* ============================================================
   SECTION 15: FINAL CTA
   ============================================================ */
.final-cta {
  background: linear-gradient(160deg, var(--navy), #0a3060);
  position: relative; overflow: hidden; text-align: center;
}
.final-cta-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(30,144,255,.15) 0%, transparent 70%);
}
.final-cta-content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 32px;
}
.final-cta-img {
  max-width: 300px; margin: 0 auto;
  filter: drop-shadow(0 20px 60px rgba(30,144,255,.4));
  animation: floatBottle 4s ease-in-out infinite;
}
.final-cta-text { max-width: 700px; }
.final-h2 { color: #fff; margin-bottom: 16px; font-size: clamp(24px, 4vw, 42px); }
.final-subtitle { color: rgba(255,255,255,.8); font-size: 18px; margin-bottom: 24px; }
.final-price { margin-bottom: 28px; }
.final-regular { display: block; color: rgba(255,255,255,.5); font-size: 18px; margin-bottom: 8px; font-family: 'Montserrat', sans-serif; }
.final-regular s { color: rgba(255,255,255,.4); }
.final-special { display: block; font-family: 'Montserrat', sans-serif; font-size: 36px; font-weight: 900; color: var(--gold); }
.btn-final { font-size: 20px; padding: 20px 50px; background: var(--grad-gold); color: var(--navy); box-shadow: 0 8px 30px rgba(255,215,0,.3); }
.btn-final:hover { background: linear-gradient(135deg, #FFA500, #FFD700); box-shadow: 0 12px 40px rgba(255,165,0,.5); }
.final-trust { display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; margin-top: 24px; }
.final-trust span { color: rgba(255,255,255,.7); font-size: 14px; font-family: 'Montserrat', sans-serif; font-weight: 600; }

/* ============================================================
   SECTION 16: FOOTER
   ============================================================ */
.footer {
  background: var(--navy); color: rgba(255,255,255,.75);
  padding: 60px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.5fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand { display: flex; flex-direction: column; gap: 12px; }
.footer-brand img { border-radius: 8px; }
.footer-logo-text { font-family: 'Montserrat', sans-serif; font-size: 20px; font-weight: 700; color: #fff; }
.footer-logo-text strong { color: var(--cyan); }
.footer-brand p { font-size: 14px; line-height: 1.7; }
.footer-links, .footer-legal-col, .footer-social-col { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4, .footer-legal-col h4, .footer-social-col h4 {
  font-family: 'Montserrat', sans-serif; font-size: 15px; color: #fff;
  font-weight: 700; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px;
}
.footer-links a, .footer-legal-col a { font-size: 14px; color: rgba(255,255,255,.65); transition: var(--trans); }
.footer-links a:hover, .footer-legal-col a:hover { color: var(--cyan); }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.link-separator { color: rgba(255,255,255,.3); }
.social-icons { display: flex; flex-direction: column; gap: 10px; }
.social-icon { font-size: 14px; color: rgba(255,255,255,.65); transition: var(--trans); cursor: pointer; }
.social-icon:hover { color: var(--cyan); }
.footer-disclaimer {
  border-top: 1px solid rgba(255,255,255,.1); padding: 28px 0;
  font-size: 13px; color: rgba(255,255,255,.45); line-height: 1.7;
}
.footer-copy {
  border-top: 1px solid rgba(255,255,255,.07); padding: 20px 0;
  text-align: center; font-size: 13px; color: rgba(255,255,255,.4);
}

/* ============================================================
   SCROLL TOP BUTTON
   ============================================================ */
.scroll-top {
  position: fixed; bottom: 28px; right: 24px; z-index: 900;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--grad); color: #fff; font-size: 22px;
  border: none; cursor: pointer; box-shadow: var(--shadow-md);
  opacity: 0; pointer-events: none; transition: all .3s;
  display: flex; align-items: center; justify-content: center;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: scale(1.1); box-shadow: var(--shadow-lg); }

/* ============================================================
   PURCHASE NOTIFICATION
   ============================================================ */
.purchase-notif {
  position: fixed; bottom: 100px; left: 20px; z-index: 950;
  background: #fff; border-radius: 14px; box-shadow: 0 8px 32px rgba(0,0,0,.15);
  border-left: 4px solid var(--blue); padding: 14px 16px;
  max-width: 300px; transform: translateX(-120%); transition: transform .4s ease;
}
.purchase-notif.show { transform: translateX(0); }
.pn-inner { display: flex; align-items: center; gap: 12px; }
.pn-emoji { font-size: 28px; flex-shrink: 0; }
.pn-text { flex: 1; }
.pn-text strong { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px; color: var(--navy); }
.pn-text small { font-size: 12px; color: var(--text-light); }
.pn-close {
  color: var(--text-light); font-size: 18px; cursor: pointer;
  flex-shrink: 0; padding: 4px; transition: var(--trans); text-decoration: none;
}
.pn-close:hover { color: var(--navy); }

/* ============================================================
   EXIT INTENT POPUP
   ============================================================ */
.exit-popup-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.7);
  z-index: 2000; display: flex; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; pointer-events: none; transition: opacity .3s;
}
.exit-popup-overlay.active { opacity: 1; pointer-events: all; }
.exit-popup {
  background: #fff; border-radius: 24px; padding: 44px 40px;
  max-width: 480px; width: 100%; position: relative;
  text-align: center; box-shadow: 0 24px 80px rgba(0,0,0,.3);
  transform: scale(.9); transition: transform .3s;
}
.exit-popup-overlay.active .exit-popup { transform: scale(1); }
.exit-popup-close {
  position: absolute; top: 16px; right: 16px;
  background: var(--light-bg); border: none; width: 36px; height: 36px;
  border-radius: 50%; cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--trans);
}
.exit-popup-close:hover { background: var(--blue); color: #fff; }
.exit-popup-close a { color: inherit; text-decoration: none; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.ep-emoji { font-size: 48px; margin-bottom: 16px; }
.exit-popup h3 { font-size: 24px; color: var(--navy); margin-bottom: 12px; }
.exit-popup p { color: var(--text-mid); margin-bottom: 16px; }
.exit-popup ul { text-align: left; margin: 0 auto 24px; display: inline-block; }
.exit-popup ul li { font-size: 15px; color: var(--text-mid); margin-bottom: 6px; list-style: none; }
.btn-ep { width: 100%; font-size: 17px; }
.ep-skip { margin-top: 14px; font-size: 13px; }
.ep-skip a { color: var(--text-light); text-decoration: underline; }

/* ============================================================
   REVEAL ANIMATIONS (Intersection Observer)
   ============================================================ */
.reveal-card, .reveal-left, .reveal-right, .reveal-up {
  opacity: 0; transition: opacity .6s ease, transform .6s ease;
}
.reveal-card { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up { transform: translateY(60px); }
.revealed { opacity: 1 !important; transform: none !important; }
.reveal-card:nth-child(2) { transition-delay: .1s; }
.reveal-card:nth-child(3) { transition-delay: .2s; }
.reveal-card:nth-child(4) { transition-delay: .3s; }

/* ============================================================
   MOBILE RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
  .section-pad { padding: 56px 0; }

  /* NAV */
  .hamburger { display: flex; }
  .btn-nav-cta { display: none; }
  .nav-links {
    position: fixed; top: 0; right: -280px; width: 270px; height: 100vh;
    background: var(--navy); flex-direction: column; align-items: flex-start;
    padding: 70px 30px 30px; gap: 20px; z-index: 999;
    transition: right .35s ease; box-shadow: -4px 0 30px rgba(0,0,0,.3);
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 18px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.1); width: 100%; }
  .btn-nav-close { display: block; position: absolute; top: 20px; right: 20px; font-size: 26px; }
  .nav-overlay.active { display: block; }

  /* HERO */
  .hero-grid { grid-template-columns: 1fr; gap: 32px; text-align: center; padding: 40px 20px; }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 280px; margin: 0 auto; }
  .hero-glow { width: 260px; height: 260px; }
  .hero-content { display: flex; flex-direction: column; align-items: center; }
  .btn-hero { max-width: 100%; }
  .hero-trust { justify-content: center; }
  .badge-1 { top: 5%; right: 10%; }
  .badge-2 { bottom: 5%; left: 10%; }

  /* GRIDS */
  .what-is-grid { grid-template-columns: 1fr; }
  .what-is-image { order: -1; }
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image img { max-width: 220px; margin: 0 auto; }
  .g-point { flex-direction: column; align-items: center; text-align: center; }
  .benefits-wrap { grid-template-columns: 1fr; }
  .benefits-image img { max-width: 100%; margin: 0 auto; }
  .reviews-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .price-popular { transform: scale(1); order: -1; }
  .price-popular:hover { transform: translateY(-6px); }
  .bonus-grid { grid-template-columns: 1fr; }
  .badges-grid { grid-template-columns: 1fr 1fr; }
  .ing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-brand, .footer-links, .footer-legal-col, .footer-social-col { text-align: center; align-items: center; }
  .footer-legal-links { justify-content: center; }

  /* FINAL CTA */
  .final-cta-content { gap: 20px; }
  .final-cta-img { max-width: 220px; }
  .btn-final { font-size: 16px; padding: 16px 28px; width: 100%; }
  .final-trust { flex-direction: column; gap: 10px; }

  /* PURCHASE NOTIF */
  .purchase-notif { left: 10px; right: 10px; max-width: none; bottom: 16px; }

  /* COUNTDOWN */
  .cd-block span { font-size: 28px; }
  .cd-block { min-width: 56px; padding: 10px 14px; }
}

@media (max-width: 480px) {
  .badges-grid { grid-template-columns: 1fr; }
  .hero-eyebrow { font-size: 11px; }
  .exit-popup { padding: 30px 24px; }
  .exit-popup h3 { font-size: 20px; }
  .btn-ep { font-size: 15px; }
}

/* Prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}