/* ========================================
   NERVE VITALI — styles.css
   Design: Medical Luxury Dark + Electric Teal
   Fonts: Montserrat (headings) + Open Sans (body)
======================================== */

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #00C9B1;
  --primary-dark: #009E8E;
  --primary-light: #7FFFEF;
  --accent: #3F72FE;
  --accent2: #FF6B35;
  --bg-dark: #050D1A;
  --bg-card: #0A1628;
  --bg-card2: #0F1E35;
  --bg-section: #071222;
  --text-main: #E8F4F8;
  --text-muted: #8BAFC8;
  --text-white: #FFFFFF;
  --border: rgba(0,201,177,0.15);
  --shadow-glow: 0 0 40px rgba(0,201,177,0.25);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);
  --gradient-main: linear-gradient(135deg, #00C9B1 0%, #3F72FE 100%);
  --gradient-hero: linear-gradient(135deg, #050D1A 0%, #071828 100%);
  --radius: 16px;
  --radius-sm: 8px;
  --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%;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Open Sans', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  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; }

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(24px, 5vw, 52px); }
h2 { font-size: clamp(22px, 4vw, 40px); }
h3 { font-size: clamp(18px, 2.5vw, 22px); }

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

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

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 52px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  border: none;
  text-align: center;
  -webkit-user-select: none;
  user-select: none;
}
.btn:hover { transform: scale(1.05); }
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--gradient-main);
  color: var(--bg-dark);
  box-shadow: 0 4px 24px rgba(0,201,177,0.35);
}
.btn-primary:hover { box-shadow: 0 8px 40px rgba(0,201,177,0.55); }
.btn-hero {
  background: linear-gradient(135deg, #FF6B35, #FFC300);
  color: #000;
  font-size: clamp(15px, 2.5vw, 18px);
  padding: 18px 40px;
  box-shadow: 0 6px 30px rgba(255,107,53,0.45);
  flex-direction: column;
  gap: 2px;
  border-radius: 14px;
  width: 100%;
  max-width: 440px;
}
.btn-hero:hover { box-shadow: 0 12px 48px rgba(255,107,53,0.65); }
.btn-nav {
  background: var(--gradient-main);
  color: var(--bg-dark);
  padding: 10px 24px;
  min-height: 44px;
  font-size: 14px;
}
.btn-price {
  background: var(--gradient-main);
  color: var(--bg-dark);
  width: 100%;
  font-size: 15px;
}
.btn-price-popular {
  background: linear-gradient(135deg, #FF6B35, #FFC300);
  color: #000;
  width: 100%;
  font-size: 15px;
  box-shadow: 0 4px 24px rgba(255,107,53,0.45);
}
.btn-final {
  background: linear-gradient(135deg, #FF6B35, #FFC300);
  color: #000;
  font-size: clamp(16px, 3vw, 20px);
  padding: 22px 48px;
  border-radius: 14px;
  box-shadow: 0 8px 40px rgba(255,107,53,0.5);
  flex-direction: column;
  gap: 4px;
  width: 100%;
  max-width: 500px;
}
.btn-arrow { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 2; }
.btn-sub { font-size: 12px; font-weight: 500; opacity: 0.85; font-family: 'Open Sans', sans-serif; }

/* ===== SECTION COMMON ===== */
section { padding: 80px 0; }
.section-label {
  display: inline-block;
  background: rgba(0,201,177,0.12);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-title { margin-bottom: 16px; }
.section-subtitle { color: var(--text-muted); font-size: 17px; max-width: 680px; margin: 0 auto 48px; text-align: center; }
.section-title { text-align: center; }
.section-label { display: block; text-align: center; }

/* ===== FADE-UP ANIMATION ===== */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease var(--delay, 0s), transform 0.6s ease var(--delay, 0s);
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: reduce) {
  .fade-up { opacity: 1; transform: none; transition: none; }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: rgba(5,13,26,0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), padding var(--transition);
  padding: 12px 0;
}
.navbar.scrolled {
  background: rgba(5,13,26,0.98);
  padding: 8px 0;
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-size: 20px;
  color: var(--text-white);
}
.logo-icon { font-size: 22px; }
.logo-text { color: var(--text-white); }
.logo-text strong { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-link:hover { color: var(--primary); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-white);
  transition: var(--transition);
  border-radius: 2px;
}
.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); }

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  padding: 100px 0 80px;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-bg-orbs { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.12;
}
.orb1 { width: 500px; height: 500px; background: var(--primary); top: -100px; right: -100px; animation: orbFloat 8s ease-in-out infinite; }
.orb2 { width: 350px; height: 350px; background: var(--accent); bottom: -80px; left: -80px; animation: orbFloat 10s ease-in-out infinite 2s; }
.orb3 { width: 250px; height: 250px; background: var(--accent2); top: 50%; left: 30%; animation: orbFloat 7s ease-in-out infinite 1s; }
.orb4 { width: 400px; height: 400px; background: var(--primary); top: -50px; right: -50px; animation: orbFloat 9s ease-in-out infinite; }
.orb5 { width: 300px; height: 300px; background: var(--accent); bottom: -50px; left: -50px; animation: orbFloat 11s ease-in-out infinite 3s; }
@keyframes orbFloat { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-30px) scale(1.05)} }

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  animation: heroFloat 4s ease-in-out infinite;
}
@keyframes heroFloat { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-18px)} }
.hero-glow-ring {
  position: absolute;
  width: 90%;
  height: 90%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,201,177,0.2) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{transform:translate(-50%,-50%) scale(1);opacity:0.6} 50%{transform:translate(-50%,-50%) scale(1.15);opacity:0.9} }
.hero-bottle {
  position: relative;
  z-index: 2;
  max-width: 340px;
  filter: drop-shadow(0 20px 60px rgba(0,201,177,0.3));
  animation: bottleReveal 1s ease-out forwards;
}
@keyframes bottleReveal { from{opacity:0;transform:scale(0.8) translateY(30px)} to{opacity:1;transform:scale(1) translateY(0)} }
.hero-badge {
  position: absolute;
  background: rgba(5,13,26,0.9);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  white-space: nowrap;
  animation: badgeReveal 0.8s ease-out forwards;
  box-shadow: 0 4px 16px rgba(0,0,0,0.4);
}
.hero-badge-1 { top: 15%; right: 0; animation-delay: 0.5s; opacity: 0; }
.hero-badge-2 { top: 50%; left: -20px; animation-delay: 0.7s; opacity: 0; }
.hero-badge-3 { bottom: 20%; right: -10px; animation-delay: 0.9s; opacity: 0; }
@keyframes badgeReveal { from{opacity:0;transform:scale(0.8)} to{opacity:1;transform:scale(1)} }

.hero-eyebrow {
  display: inline-block;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-transform: uppercase;
}
.hero-headline { margin-bottom: 24px; animation: slideUp 0.9s ease-out 0.2s both; }
@keyframes slideUp { from{opacity:0;transform:translateY(30px)} to{opacity:1;transform:translateY(0)} }
.hero-desc { color: var(--text-muted); margin-bottom: 16px; font-size: 17px; animation: slideUp 0.9s ease-out 0.4s both; }
.hero-stars { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; color: var(--text-muted); font-size: 14px; animation: slideUp 0.9s ease-out 0.5s both; }
.hero-guarantee { color: var(--text-muted); font-size: 13px; margin-top: 14px; animation: slideUp 0.9s ease-out 0.8s both; }

/* ===== WHY CHOOSE ===== */
.why-choose { background: var(--bg-section); }
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.badge-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary);
}
.badge-icon-wrap {
  width: 80px; height: 80px;
  margin: 0 auto 20px;
  background: rgba(0,201,177,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.badge-icon-wrap img { width: 56px; height: 56px; object-fit: contain; }
.badge-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--text-white); }
.badge-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ===== WHAT IS ===== */
.what-is { background: var(--bg-dark); }
.what-is-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}
.what-is-image { position: relative; }
.image-glow {
  position: absolute;
  width: 100%; height: 100%;
  background: radial-gradient(circle, rgba(0,201,177,0.15) 0%, transparent 60%);
  border-radius: var(--radius);
}
.what-is-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  position: relative;
  z-index: 1;
}
.what-is-content .section-title { text-align: left; }
.what-is-content .section-label { text-align: left; }
.what-is-content p { color: var(--text-muted); margin-bottom: 20px; font-size: 16px; }
.what-is-content .btn { margin-top: 8px; }

/* ===== HOW IT WORKS ===== */
.how-it-works { background: var(--bg-section); }
.accordion-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text-white);
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  font-weight: 700;
  min-height: 64px;
  transition: background var(--transition);
}
.accordion-header:hover { background: rgba(0,201,177,0.06); }
.acc-icon { font-size: 20px; flex-shrink: 0; }
.acc-title { flex: 1; }
.acc-arrow { font-size: 12px; color: var(--primary); transition: transform var(--transition); flex-shrink: 0; }
.accordion-item.accordion-open .acc-arrow { transform: rotate(180deg); }
.accordion-body { display: none; padding: 0 24px 20px 58px; }
.accordion-item.accordion-open .accordion-body { display: block; }
.accordion-body p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }

/* ===== REVIEWS ===== */
.reviews { background: var(--bg-dark); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-glow); }
.review-top { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.reviewer-photo {
  width: 56px; height: 56px;
  border-radius: 50%;
  border: 2px solid var(--primary);
  object-fit: cover;
  flex-shrink: 0;
}
.reviewer-name { display: block; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; color: var(--text-white); }
.reviewer-loc { display: block; font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.stars { font-size: 14px; margin-top: 4px; }
.review-text { color: var(--text-muted); font-size: 15px; line-height: 1.7; margin-bottom: 12px; }
.review-verified { font-size: 12px; color: var(--primary); font-family: 'Montserrat', sans-serif; font-weight: 600; }

/* ===== PRICING ===== */
.pricing { background: var(--bg-section); }
.pricing-second { background: var(--bg-dark); }
.countdown-wrap { text-align: center; margin-bottom: 40px; }
.countdown-label { color: var(--text-muted); font-family: 'Montserrat', sans-serif; font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.countdown { display: inline-flex; align-items: center; gap: 16px; background: var(--bg-card); border: 2px solid var(--accent2); border-radius: var(--radius); padding: 16px 32px; }
.cd-block { text-align: center; }
.cd-num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(36px, 6vw, 56px);
  font-weight: 900;
  color: var(--accent2);
  line-height: 1;
  min-width: 64px;
}
.cd-label { display: block; font-size: 11px; font-weight: 700; letter-spacing: 2px; color: var(--text-muted); margin-top: 4px; }
.cd-sep { font-size: 48px; font-weight: 900; color: var(--accent2); line-height: 1; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 40px; }
.price-card {
  background: var(--bg-card);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-card); }
.price-card-popular {
  border-color: var(--accent2);
  background: var(--bg-card2);
  box-shadow: 0 0 40px rgba(255,107,53,0.2);
  transform: scale(1.03);
}
.price-card-popular:hover { transform: scale(1.03) translateY(-8px); box-shadow: 0 0 60px rgba(255,107,53,0.3); }
.popular-badge {
  position: absolute;
  top: -16px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #FF6B35, #FFC300);
  color: #000;
  font-family: 'Montserrat', sans-serif;
  font-size: 12px;
  font-weight: 800;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-label { font-family: 'Montserrat', sans-serif; font-size: 13px; font-weight: 700; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 6px; }
.price-bottles { font-family: 'Montserrat', sans-serif; font-size: 22px; font-weight: 900; color: var(--text-white); }
.price-supply { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.price-card img { margin: 0 auto 20px; max-height: 180px; object-fit: contain; }
.price-amount { margin-bottom: 8px; }
.price-big { font-family: 'Montserrat', sans-serif; font-size: 42px; font-weight: 900; color: var(--primary); }
.price-per { font-size: 14px; color: var(--text-muted); }
.price-total { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.price-total s { color: #666; }
.price-badges-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.mini-badge {
  background: rgba(0,201,177,0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
}
.payment-logos { margin: 12px auto 0; opacity: 0.7; }
.pricing-stars { text-align: center; }
.pricing-stars img { margin: 0 auto 10px; }
.pricing-stars p { color: var(--text-muted); font-size: 14px; }

/* ===== INGREDIENTS ===== */
.ingredients { background: var(--bg-section); }
.ingredients-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 48px; }
.ingredient-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), border-color var(--transition);
}
.ingredient-card:hover { transform: translateY(-4px); border-color: var(--primary); }
.ing-icon { font-size: 28px; margin-bottom: 12px; }
.ingredient-card h3 { font-size: 16px; margin-bottom: 10px; color: var(--text-white); }
.ingredient-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ===== SCIENCE ===== */
.science { background: var(--bg-dark); }
.science-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.science-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.science-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text-white);
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  min-height: 60px;
  transition: background var(--transition);
}
.science-header:hover { background: rgba(0,201,177,0.06); }
.science-body { display: none; padding: 0 24px 20px; }
.science-body p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.science-item.open .acc-arrow { transform: rotate(180deg); }
.science-item.open .science-body { display: block; }

/* ===== GUARANTEE ===== */
.guarantee { background: var(--bg-section); }
.guarantee-container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-image img { max-width: 260px; filter: drop-shadow(0 10px 40px rgba(0,201,177,0.2)); }
.guarantee-content .section-title { text-align: left; }
.guarantee-content .section-label { text-align: left; }
.guarantee-points { display: flex; flex-direction: column; gap: 24px; margin-bottom: 32px; }
.guarantee-point { display: flex; gap: 20px; align-items: flex-start; }
.gp-icon { font-size: 28px; flex-shrink: 0; margin-top: 4px; }
.guarantee-point h3 { font-size: 17px; margin-bottom: 8px; color: var(--text-white); }
.guarantee-point p { font-size: 15px; color: var(--text-muted); line-height: 1.7; }

/* ===== BENEFITS ===== */
.benefits { background: var(--bg-dark); }
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.benefit-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: transform var(--transition), border-color var(--transition);
}
.benefit-item:hover { transform: translateY(-4px); border-color: var(--primary); }
.benefit-check { font-size: 22px; flex-shrink: 0; }
.benefit-item h3 { font-size: 17px; margin-bottom: 8px; color: var(--text-white); }
.benefit-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.benefits-cta { text-align: center; margin-top: 48px; }

/* ===== FAQ ===== */
.faq { background: var(--bg-section); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text-white);
  font-family: 'Montserrat', sans-serif;
  font-size: 15px;
  font-weight: 700;
  min-height: 64px;
  transition: background var(--transition);
}
.faq-header:hover { background: rgba(0,201,177,0.06); }
.faq-arrow { font-size: 12px; color: var(--primary); transition: transform var(--transition); flex-shrink: 0; }
.faq-body { display: none; padding: 0 24px 20px; }
.faq-body p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-item.open .faq-body { display: block; }

/* ===== FINAL CTA ===== */
.final-cta {
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
  padding: 100px 0;
}
.final-cta-bg { position: absolute; inset: 0; pointer-events: none; }
.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.final-bottle-wrap { position: relative; display: flex; justify-content: center; }
.final-glow {
  position: absolute;
  width: 80%; height: 80%;
  background: radial-gradient(circle, rgba(0,201,177,0.2) 0%, transparent 65%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}
.final-bottle-img {
  max-width: 320px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 60px rgba(0,201,177,0.25));
  animation: heroFloat 4s ease-in-out infinite;
}
.final-headline { margin-bottom: 20px; }
.final-cta-content p { color: var(--text-muted); font-size: 17px; margin-bottom: 24px; }
.final-pricing { margin-bottom: 28px; }
.final-old-price { font-size: 16px; color: #666; font-family: 'Montserrat', sans-serif; margin-bottom: 8px; }
.final-new-price { font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: 800; color: var(--accent2); }
.final-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
  font-family: 'Montserrat', sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-muted);
}
.final-cta-content .section-title { text-align: left; }
.final-cta-content .section-label { text-align: left; }

/* ===== FOOTER ===== */
.footer {
  background: #030910;
  border-top: 1px solid var(--border);
  padding: 60px 0 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}
.footer-desc { color: var(--text-muted); font-size: 14px; margin-top: 12px; line-height: 1.7; max-width: 340px; }
.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-links-col a {
  display: block;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--primary); }
.footer-social {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 28px;
}
.social-link {
  width: 44px; height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.social-link:hover { background: var(--primary); border-color: var(--primary); }
.social-link svg { width: 18px; height: 18px; fill: var(--text-muted); stroke: none; }
.social-link:hover svg { fill: var(--bg-dark); }
.footer-legal-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}
.legal-link { font-size: 13px; color: var(--text-muted); transition: color var(--transition); }
.legal-link:hover { color: var(--primary); }
.link-separator { color: var(--border); }
.footer-disclaimer {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}
.footer-disclaimer p { font-size: 12px; color: #4A6070; line-height: 1.7; max-width: 860px; margin: 0 auto 12px; }
.footer-copyright { color: #4A6070 !important; }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  background: var(--gradient-main);
  color: var(--bg-dark);
  border: none;
  border-radius: 50%;
  font-size: 18px;
  cursor: pointer;
  z-index: 900;
  opacity: 0;
  transform: translateY(20px);
  transition: var(--transition);
  box-shadow: var(--shadow-glow);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: scale(1.1); }

/* ===== NOTIFICATION POPUP ===== */
.notification-popup {
  position: fixed;
  bottom: 90px; left: 20px;
  background: var(--bg-card2);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: 14px 20px 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 300px;
  z-index: 800;
  box-shadow: var(--shadow-card);
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.notification-popup.show { transform: translateX(0); }
.notif-avatar { font-size: 28px; flex-shrink: 0; }
.notif-text { flex: 1; font-size: 13px; color: var(--text-muted); line-height: 1.4; }
.notif-text strong { display: block; color: var(--primary); font-family: 'Montserrat', sans-serif; }
.notif-close {
  position: absolute;
  top: 6px; right: 8px;
  background: none; border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 4px;
}

/* ===== EXIT POPUP ===== */
.exit-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  backdrop-filter: blur(4px);
}
.exit-overlay.show { display: block; }
.exit-popup {
  display: none;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: var(--bg-card2);
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  padding: 48px 40px;
  max-width: 480px;
  width: 90%;
  z-index: 1001;
  text-align: center;
  transition: transform 0.3s ease;
}
.exit-popup.show { display: block; transform: translate(-50%, -50%) scale(1); }
.exit-close {
  position: absolute;
  top: 14px; right: 16px;
  background: none; border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 6px;
  min-width: 44px; min-height: 44px;
}
.exit-icon { font-size: 48px; margin-bottom: 16px; }
.exit-popup h3 { font-family: 'Montserrat', sans-serif; font-size: 22px; margin-bottom: 16px; }
.exit-popup p { color: var(--text-muted); margin-bottom: 24px; font-size: 15px; }
.exit-popup .btn-hero { max-width: 100%; }
.exit-sub { margin-top: 14px; font-size: 13px; color: var(--text-muted); }
.exit-sub a { color: var(--primary); text-decoration: underline; }

/* ===== MOBILE BANNER POPUP ===== */
.mobile-exit-banner {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(90deg, var(--bg-card2), #0F2040);
  border-top: 2px solid var(--accent2);
  padding: 14px 20px;
  z-index: 800;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.mobile-exit-banner.show { display: flex; }
.meb-content { display: flex; align-items: center; gap: 12px; flex: 1; font-size: 14px; color: var(--text-main); font-family: 'Montserrat', sans-serif; font-weight: 600; flex-wrap: wrap; }
.meb-cta {
  background: var(--gradient-main);
  color: var(--bg-dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 8px;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.meb-close {
  background: none; border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  padding: 8px;
  min-width: 44px; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
}

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

/* Large Tablet / Small Desktop */
@media (max-width: 1024px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .what-is-container { gap: 40px; }
  .guarantee-container { gap: 40px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* Tablet */
@media (max-width: 768px) {
  section { padding: 60px 0; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-dark);
    border-left: 1px solid var(--border);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 20px;
    transition: right var(--transition);
    z-index: 998;
    overflow-y: auto;
  }
  .nav-links.open { right: 0; }
  .hamburger { display: flex; z-index: 999; }
  .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 260px; margin: 0 auto; }
  .hero-badge-2 { left: -5px; }
  .hero-badge-3 { right: -5px; }
  .hero-content { display: flex; flex-direction: column; align-items: center; }
  .hero-stars { justify-content: center; }
  .what-is-container { grid-template-columns: 1fr; gap: 32px; }
  .what-is-content .section-title,
  .what-is-content .section-label { text-align: center; }
  .what-is-content .btn { display: block; margin: 0 auto; text-align: center; }
  .what-is-image { order: -1; }
  .reviews-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto 40px; }
  .price-card-popular { transform: none; }
  .price-card-popular:hover { transform: translateY(-8px); }
  .benefits-grid { grid-template-columns: 1fr; }
  .guarantee-container { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .guarantee-image { display: flex; justify-content: center; }
  .guarantee-content .section-title,
  .guarantee-content .section-label { text-align: center; }
  .guarantee-content .btn { display: block; margin: 0 auto; text-align: center; }
  .guarantee-point { flex-direction: column; gap: 12px; text-align: left; }
  .final-cta-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .final-bottle-wrap { order: -1; }
  .final-cta-content .section-title,
  .final-cta-content .section-label { text-align: center; }
  .final-trust-row { justify-content: center; }
  .final-cta-content .btn-final { margin: 0 auto; display: flex; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .footer-desc { margin: 0 auto; }
  .notification-popup { max-width: calc(100vw - 40px); }
  .exit-popup { padding: 32px 20px; }
}

/* Phone */
@media (max-width: 576px) {
  .badges-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .section-subtitle { font-size: 15px; }
  .accordion-body { padding: 0 16px 16px 16px; }
  .accordion-header { padding: 16px 16px; font-size: 14px; }
  .hero-badge { display: none; }
  .hero-badge-1 { display: block; top: 10%; right: -10px; font-size: 10px; }
  .cd-num { font-size: 36px; min-width: 48px; }
  .countdown { padding: 12px 20px; gap: 10px; }
}

/* Small phones */
@media (max-width: 360px) {
  .container { padding: 0 14px; }
  h1 { font-size: 22px; }
  h2 { font-size: 20px; }
  .btn-hero { padding: 16px 20px; font-size: 14px; }
}