/* =============================================
   NEUROZOOM - styles.css
   Design: Deep Space Neural / Premium Dark
   Fonts: Montserrat (headings) + Open Sans (body)
   ============================================= */

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #00c6ff;
  --primary-dark: #0076a8;
  --accent: #7b5ea7;
  --accent2: #ffd700;
  --bg-dark: #05080f;
  --bg-card: #0d1628;
  --bg-card2: #111b34;
  --text: #e8edf5;
  --text-muted: #8899b4;
  --border: rgba(0, 198, 255, 0.15);
  --gradient: linear-gradient(135deg, #00c6ff 0%, #7b5ea7 100%);
  --gradient2: linear-gradient(135deg, #0a0e27 0%, #111b34 100%);
  --shadow: 0 8px 40px rgba(0, 198, 255, 0.15);
  --shadow-lg: 0 20px 60px rgba(0, 198, 255, 0.2);
  --radius: 16px;
  --radius-lg: 24px;
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
body {
  background: var(--bg-dark);
  color: var(--text);
  font-family: 'Open Sans', sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
* { -webkit-tap-highlight-color: transparent; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ---- UTILITY ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 5vw, 42px);
  text-align: center;
  margin-bottom: 14px;
  line-height: 1.2;
}
.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: clamp(15px, 2vw, 17px);
  max-width: 600px;
  margin: 0 auto 50px;
  line-height: 1.8;
}
.section-tag {
  display: inline-block;
  background: rgba(0,198,255,0.12);
  border: 1px solid rgba(0,198,255,0.3);
  color: var(--primary);
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  font-family: 'Montserrat', sans-serif;
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 52px;
  padding: 14px 32px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn:hover::before { opacity: 1; }
.btn:hover { transform: scale(1.04); box-shadow: 0 12px 30px rgba(0,198,255,0.35); }
.btn:active { transform: scale(0.97); }

.btn-nav {
  background: var(--gradient);
  color: #fff;
  padding: 10px 24px;
  min-height: 44px;
  font-size: 13px;
}
.btn-hero {
  background: linear-gradient(135deg, #00c6ff, #7b5ea7);
  color: #fff;
  font-size: clamp(15px, 2.5vw, 17px);
  padding: 18px 40px;
  min-height: 58px;
  box-shadow: 0 8px 32px rgba(0,198,255,0.4);
  width: 100%;
  max-width: 420px;
  animation: pulse-glow 2.5s ease-in-out infinite;
}
.btn-primary {
  background: var(--gradient);
  color: #fff;
  min-height: 52px;
}
.btn-price {
  background: var(--bg-card2);
  border: 2px solid var(--primary);
  color: var(--primary);
  width: 100%;
  min-height: 52px;
  font-size: 15px;
}
.btn-price:hover { background: var(--primary); color: #fff; }
.btn-price-popular {
  background: linear-gradient(135deg, #00c6ff, #7b5ea7);
  color: #fff;
  width: 100%;
  min-height: 52px;
  font-size: 15px;
  box-shadow: 0 8px 24px rgba(0,198,255,0.35);
}
.btn-final {
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #000;
  font-size: clamp(16px, 2.5vw, 19px);
  padding: 20px 40px;
  min-height: 62px;
  width: 100%;
  max-width: 480px;
  box-shadow: 0 10px 40px rgba(255,215,0,0.4);
  animation: pulse-gold 2.5s ease-in-out infinite;
}
.btn-exit {
  background: linear-gradient(135deg, #ffd700, #ff8c00);
  color: #000;
  width: 100%;
  min-height: 54px;
  font-size: 16px;
  border-radius: 50px;
  margin-bottom: 12px;
}

/* ---- ANIMATIONS ---- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 8px 32px rgba(0,198,255,0.4); }
  50% { box-shadow: 0 8px 50px rgba(0,198,255,0.7); }
}
@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 10px 40px rgba(255,215,0,0.4); }
  50% { box-shadow: 0 10px 60px rgba(255,215,0,0.7); }
}
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
@keyframes float-badge {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}
@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes particle-float {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-20px) scale(1); opacity: 0; }
}
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* AOS (scroll reveal) */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
[data-aos].aos-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  background: rgba(5, 8, 15, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,198,255,0.1);
  transition: var(--transition);
}
.navbar.scrolled {
  padding: 10px 0;
  background: rgba(5, 8, 15, 0.97);
  box-shadow: 0 4px 30px rgba(0,198,255,0.1);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img { width: 36px; height: 36px; border-radius: 8px; object-fit: cover; }
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: #fff;
  letter-spacing: -0.5px;
}
.logo-accent { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.3s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 4px;
  transition: var(--transition);
}
.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;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 50%, rgba(0,198,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(123,94,167,0.08) 0%, transparent 60%),
              var(--bg-dark);
}
.hero-bg-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--primary);
  animation: particle-float linear infinite;
  opacity: 0;
}
.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,255,0.2) 0%, transparent 70%);
  animation: pulse-glow 3s ease-in-out infinite;
}
.hero-bottle {
  width: 100%;
  max-width: 380px;
  animation: float 4s ease-in-out infinite;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 60px rgba(0,198,255,0.3));
}
.hero-badge-float {
  position: absolute;
  background: rgba(13,22,40,0.95);
  border: 1px solid rgba(0,198,255,0.3);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Montserrat', sans-serif;
  white-space: nowrap;
  z-index: 2;
  animation: float-badge 3s ease-in-out infinite;
  backdrop-filter: blur(10px);
}
.hero-badge-1 { top: 10%; left: -10px; animation-delay: 0s; }
.hero-badge-2 { bottom: 15%; right: -10px; animation-delay: 1s; }
.hero-content { position: relative; }
.hero-tag {
  display: inline-block;
  background: rgba(0,198,255,0.1);
  border: 1px solid rgba(0,198,255,0.3);
  color: var(--primary);
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  font-family: 'Montserrat', sans-serif;
  animation: fadeInUp 0.6s ease forwards;
}
.hero-h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 4.5vw, 52px);
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.7s ease 0.1s both;
}
.hero-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
  animation: fadeInUp 0.7s ease 0.2s both;
}
.hero-desc strong { color: var(--text); }
.hero-stats {
  display: flex;
  gap: 28px;
  margin-bottom: 32px;
  animation: fadeInUp 0.7s ease 0.3s both;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 28px;
  color: var(--primary);
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}
.btn-hero { animation: fadeInUp 0.7s ease 0.4s both; }
.hero-small {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-muted);
  animation: fadeInUp 0.7s ease 0.5s both;
}

/* ---- WHY CHOOSE ---- */
.why-section {
  padding: 90px 0;
  background: var(--bg-card);
  position: relative;
}
.why-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0.3;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.why-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.3s;
}
.why-card:hover {
  transform: scale(1.05) rotate(0.5deg);
  box-shadow: var(--shadow);
  border-color: rgba(0,198,255,0.35);
}
.why-card:hover::before { opacity: 1; }
.why-icon-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: rgba(0,198,255,0.08);
  border: 2px solid rgba(0,198,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  transition: var(--transition);
}
.why-card:hover .why-icon-wrap { background: rgba(0,198,255,0.15); }
.why-icon { width: 50px; height: 50px; object-fit: contain; }
.why-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--text);
}
.why-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* ---- WHAT IS ---- */
.what-section {
  padding: 100px 0;
  background: var(--bg-dark);
}
.what-container {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 70px;
  align-items: center;
}
.what-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}
.what-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
  border: 1px solid var(--border);
}
.what-img-badge {
  position: absolute;
  bottom: 20px;
  right: -10px;
  background: var(--gradient);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
}
.what-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 3.5vw, 36px);
  line-height: 1.25;
  margin-bottom: 24px;
}
.what-content p {
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.8;
  font-size: clamp(14px, 1.6vw, 16px);
}
.what-content p strong { color: var(--text); }
.what-content .btn-primary { margin-top: 8px; }

/* ---- HOW IT WORKS ---- */
.how-section {
  padding: 100px 0;
  background: var(--bg-card);
}
.accordion-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.accordion-item {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item:hover { border-color: rgba(0,198,255,0.3); }
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  color: var(--text);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(15px, 2vw, 17px);
  min-height: 64px;
  text-align: left;
  transition: background 0.3s;
}
.accordion-header:hover { background: rgba(0,198,255,0.04); }
.acc-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 13px;
  color: var(--primary);
  background: rgba(0,198,255,0.1);
  padding: 4px 10px;
  border-radius: 50px;
  flex-shrink: 0;
}
.acc-title { flex: 1; }
.acc-icon {
  font-size: 22px;
  color: var(--primary);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.accordion-item.active .acc-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.accordion-item.active .accordion-body { max-height: 400px; padding: 0 24px 24px; }
.accordion-body p { color: var(--text-muted); font-size: 15px; line-height: 1.8; }
.accordion-body p strong { color: var(--text); }

/* ---- REVIEWS ---- */
.reviews-section {
  padding: 100px 0;
  background: var(--bg-dark);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: var(--transition);
  position: relative;
}
.review-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: rgba(0,198,255,0.3);
}
.featured-review {
  border-color: rgba(0,198,255,0.4);
  background: linear-gradient(135deg, rgba(0,198,255,0.05), rgba(123,94,167,0.05));
  transform: translateY(-4px);
}
.review-top {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 18px;
}
.review-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  flex-shrink: 0;
}
.review-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 2px;
}
.review-loc { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.stars { color: #ffd700; font-size: 14px; letter-spacing: 2px; }
.review-text { font-size: 14px; color: var(--text-muted); line-height: 1.75; }
.review-text strong { color: var(--text); }
.featured-badge {
  position: absolute;
  top: -10px;
  right: 20px;
  background: var(--gradient);
  color: #fff;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
}
.reviews-trust { text-align: center; }
.five-star-img { margin: 0 auto 12px; max-width: 260px; }
.reviews-trust p { font-size: 15px; color: var(--text-muted); }
.reviews-trust strong { color: var(--text); }

/* ---- PRICING ---- */
.pricing-section {
  padding: 100px 0;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.pricing-section::before {
  content: '';
  position: absolute;
  top: -100px; left: -100px; right: -100px; bottom: -100px;
  background: radial-gradient(ellipse at center, rgba(0,198,255,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.countdown-wrap { text-align: center; margin-bottom: 48px; }
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-card2);
  border: 2px solid rgba(255,80,80,0.4);
  border-radius: var(--radius);
  padding: 16px 28px;
}
.cd-block { text-align: center; }
.cd-num {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(36px, 6vw, 56px);
  color: #ff5050;
  line-height: 1;
}
.cd-unit {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-top: 4px;
}
.cd-sep {
  font-size: 40px;
  font-weight: 900;
  color: #ff5050;
  line-height: 1;
  margin-bottom: 14px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
  align-items: start;
}
.price-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
  position: relative;
  overflow: visible;
}
.price-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.price-card.popular {
  border-color: var(--primary);
  background: linear-gradient(160deg, rgba(0,198,255,0.07) 0%, rgba(123,94,167,0.07) 100%);
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-6px); }
.popular-banner {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  padding: 6px 20px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  white-space: nowrap;
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 8px;
  margin-top: 10px;
}
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 4px;
}
.price-supply {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.price-img {
  width: 140px;
  height: auto;
  margin: 0 auto 16px;
  filter: drop-shadow(0 10px 20px rgba(0,198,255,0.2));
}
.badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 14px;
}
.badge-pill {
  background: rgba(0,198,255,0.1);
  border: 1px solid rgba(0,198,255,0.25);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
}
.price-per {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--text);
  margin-bottom: 6px;
}
.price-per span { font-size: 16px; color: var(--text-muted); font-weight: 600; }
.price-total {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}
.price-total strong { color: var(--primary); font-size: 16px; }
.price-total s { color: var(--text-muted); }
.payment-logos {
  width: 100%;
  max-width: 200px;
  margin: 14px auto 0;
  opacity: 0.7;
}
.pricing-stars {
  display: block;
  margin: 0 auto;
  max-width: 260px;
  opacity: 0.85;
}

/* ---- BONUS ---- */
.bonus-section {
  padding: 100px 0;
  background: var(--bg-dark);
}
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.bonus-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  text-align: center;
  transition: var(--transition);
  position: relative;
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: rgba(0,198,255,0.3); }
.bonus-num {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  padding: 6px 18px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.bonus-img {
  width: 100%;
  max-width: 260px;
  margin: 0 auto 20px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.bonus-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  margin-bottom: 14px;
}
.bonus-card p { font-size: 14px; color: var(--text-muted); line-height: 1.75; }
.bonus-card p strong { color: var(--text); }

/* ---- INGREDIENTS ---- */
.ingredients-section {
  padding: 100px 0;
  background: var(--bg-card);
}
.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ing-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}
.ing-card:hover { border-color: rgba(0,198,255,0.3); transform: translateY(-4px); box-shadow: var(--shadow); }
.ing-icon { font-size: 32px; margin-bottom: 14px; }
.ing-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  margin-bottom: 10px;
  color: var(--primary);
}
.ing-card p { font-size: 13.5px; color: var(--text-muted); line-height: 1.75; }
.ing-card p strong { color: var(--text); }

/* ---- SCIENCE ---- */
.science-section {
  padding: 100px 0;
  background: var(--bg-dark);
}
.science-list { display: flex; flex-direction: column; gap: 24px; max-width: 900px; margin: 0 auto; }
.science-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.science-item:hover { border-color: rgba(0,198,255,0.4); box-shadow: var(--shadow); }
.science-item h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--primary);
}
.science-item p { font-size: 14.5px; color: var(--text-muted); line-height: 1.8; }
.science-item p strong { color: var(--text); }

/* ---- GUARANTEE ---- */
.guarantee-section {
  padding: 100px 0;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
}
.guarantee-section::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at center, rgba(255,215,0,0.03) 0%, transparent 60%);
  pointer-events: none;
}
.guarantee-container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 70px;
  align-items: start;
}
.guarantee-image-wrap { display: flex; justify-content: center; }
.guarantee-img {
  width: 260px;
  height: auto;
  filter: drop-shadow(0 10px 40px rgba(255,215,0,0.2));
}
.guarantee-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 3.5vw, 36px);
  line-height: 1.2;
  margin-bottom: 32px;
}
.guarantee-point {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  align-items: flex-start;
}
.gp-icon {
  font-size: 28px;
  width: 52px;
  height: 52px;
  background: rgba(0,198,255,0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.guarantee-point h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 6px;
}
.guarantee-point p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.guarantee-point p strong { color: var(--text); }

/* ---- BENEFITS ---- */
.benefits-section {
  padding: 100px 0;
  background: var(--bg-dark);
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  align-items: flex-start;
}
.benefit-item:hover { border-color: rgba(0,198,255,0.3); transform: translateX(4px); box-shadow: var(--shadow); }
.benefit-icon {
  font-size: 30px;
  width: 52px;
  height: 52px;
  background: rgba(0,198,255,0.08);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.benefit-item h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 8px;
  color: var(--primary);
}
.benefit-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }
.benefit-item p strong { color: var(--text); }

/* ---- FAQ ---- */
.faq-section {
  padding: 100px 0;
  background: var(--bg-card);
}
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(0,198,255,0.3); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  color: var(--text);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(14px, 2vw, 16px);
  min-height: 60px;
  text-align: left;
}
.faq-icon {
  font-size: 22px;
  color: var(--primary);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.faq-item.active .faq-answer { max-height: 400px; padding: 0 24px 24px; }
.faq-answer p { font-size: 14.5px; color: var(--text-muted); line-height: 1.8; }
.faq-answer p strong { color: var(--text); }

/* ---- FINAL CTA ---- */
.final-cta-section {
  padding: 100px 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(0,198,255,0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(123,94,167,0.06) 0%, transparent 50%);
  pointer-events: none;
}
.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.final-cta-image { position: relative; display: flex; justify-content: center; }
.final-cta-img {
  width: 100%;
  max-width: 380px;
  filter: drop-shadow(0 20px 60px rgba(0,198,255,0.3));
  animation: float 4s ease-in-out infinite;
}
.final-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,255,0.15) 0%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}
.final-cta-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(24px, 3.5vw, 40px);
  line-height: 1.2;
  margin-bottom: 20px;
}
.final-cta-desc {
  color: var(--text-muted);
  font-size: clamp(14px, 1.7vw, 16px);
  line-height: 1.8;
  margin-bottom: 28px;
}
.final-cta-desc strong { color: var(--text); }
.final-price-box {
  background: var(--bg-card);
  border: 1px solid rgba(255,215,0,0.2);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 28px;
}
.final-regular { font-size: 16px; color: var(--text-muted); margin-bottom: 6px; }
.final-regular s { color: #ff5555; }
.final-special {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 28px;
  color: var(--text);
  margin-bottom: 6px;
}
.final-special strong { color: var(--accent2); }
.final-saving {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: #4ade80;
}
.final-micro { margin-top: 16px; font-size: 12.5px; color: var(--text-muted); line-height: 1.7; }

/* ---- FOOTER ---- */
.footer { background: #030508; padding: 60px 0 0; border-top: 1px solid rgba(0,198,255,0.1); }
.footer-container {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 40px;
}
.footer-brand .nav-logo { margin-bottom: 16px; }
.footer-tagline { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; line-height: 1.6; }
.social-icons { display: flex; gap: 12px; }
.social-icon {
  width: 40px;
  height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  color: var(--text-muted);
}
.social-icon svg { width: 18px; height: 18px; }
.social-icon:hover { background: rgba(0,198,255,0.1); border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.footer-links-col { display: flex; flex-direction: column; gap: 10px; }
.footer-links-col h4 { margin-bottom: 6px; }
.footer-links-col a {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.3s;
  padding: 4px 0;
  min-height: 32px;
  display: flex;
  align-items: center;
}
.footer-links-col a:hover { color: var(--primary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 24px 0; }
.footer-disclaimer {
  font-size: 12px;
  color: #556070;
  line-height: 1.7;
  margin-bottom: 14px;
  max-width: 900px;
}
.footer-disclaimer strong { color: #778899; }
.footer-copy { font-size: 12px; color: #445060; }
.footer-copy a { color: #556070; }
.footer-copy a:hover { color: var(--primary); }

/* ---- SCROLL TO TOP ---- */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: var(--gradient);
  color: #fff;
  border-radius: 50%;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
  z-index: 999;
  box-shadow: 0 8px 24px rgba(0,198,255,0.35);
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { transform: translateY(-4px) scale(1.1); }

/* ---- PURCHASE POPUP ---- */
.purchase-popup {
  position: fixed;
  bottom: 24px;
  left: 24px;
  background: var(--bg-card2);
  border: 1px solid rgba(0,198,255,0.3);
  border-radius: var(--radius);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  z-index: 998;
  opacity: 0;
  transform: translateX(-120%);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  max-width: 320px;
  box-shadow: var(--shadow);
}
.purchase-popup.show { opacity: 1; transform: translateX(0); }
.popup-avatar { font-size: 24px; }
.popup-text { flex: 1; }
.popup-text strong { font-family: 'Montserrat', sans-serif; font-size: 14px; }
.popup-text p { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.popup-close {
  font-size: 16px;
  color: var(--text-muted);
  padding: 4px;
  min-width: 28px;
  min-height: 28px;
}
.popup-close:hover { color: var(--text); }

/* ---- EXIT POPUP ---- */
.overlay-popup {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
  padding: 20px;
}
.overlay-popup.show { opacity: 1; pointer-events: all; }
.exit-popup-box {
  background: var(--bg-card2);
  border: 1px solid rgba(0,198,255,0.3);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  max-width: 520px;
  width: 100%;
  position: relative;
  text-align: center;
  box-shadow: 0 30px 100px rgba(0,0,0,0.5);
}
.exit-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  font-size: 16px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.exit-close:hover { background: rgba(255,255,255,0.15); color: var(--text); }
.exit-popup-tag {
  display: inline-block;
  background: rgba(255,80,80,0.15);
  border: 1px solid rgba(255,80,80,0.3);
  color: #ff5050;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
  font-family: 'Montserrat', sans-serif;
}
.exit-popup-inner h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(22px, 4vw, 32px);
  margin-bottom: 16px;
}
.exit-popup-inner p { font-size: 15px; color: var(--text-muted); line-height: 1.7; margin-bottom: 24px; }
.exit-popup-inner p strong { color: var(--text); }
.exit-price {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: center;
  margin-bottom: 28px;
}
.exit-old { font-size: 22px; color: var(--text-muted); text-decoration: line-through; }
.exit-new {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--accent2);
}
.exit-decline {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: underline;
  cursor: pointer;
}
.exit-decline:hover { color: var(--text); }

/* ============================================
   MOBILE RESPONSIVE
   ============================================ */

/* Tablets */
@media (max-width: 991px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-container { grid-template-columns: 1fr; text-align: center; gap: 40px; }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 280px; }
  .hero-badge-1, .hero-badge-2 { display: none; }
  .hero-stats { justify-content: center; }
  .btn-hero { max-width: 100%; }
  .what-container { grid-template-columns: 1fr; gap: 40px; }
  .what-image-wrap { order: -1; }
  .what-img { max-width: 100%; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .featured-review { transform: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto 32px; }
  .price-card.popular { transform: none; }
  .bonus-grid { grid-template-columns: 1fr; }
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
  .guarantee-container { grid-template-columns: 1fr; }
  .guarantee-image-wrap { justify-content: center; }
  .benefits-grid { grid-template-columns: 1fr; }
  .final-cta-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .final-cta-image { order: -1; }
  .btn-final { max-width: 100%; }
  .footer-container { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* Mobile */
@media (max-width: 768px) {
  .navbar { padding: 12px 0; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--bg-card2);
    border-left: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 80px 32px 32px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 16px; padding: 12px 0; width: 100%; min-height: 48px; }
  .btn-nav { width: 100%; margin-top: 16px; }
  .hamburger { display: flex; z-index: 101; }

  .hero { padding: 100px 0 60px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
  .stat-num { font-size: 22px; }

  .why-grid { grid-template-columns: 1fr; gap: 16px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .ing-grid { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; text-align: center; }
  .footer-brand { grid-column: 1; }
  .social-icons { justify-content: center; }
  .purchase-popup { max-width: calc(100vw - 40px); left: 20px; bottom: 80px; }
  .scroll-top { width: 50px; height: 50px; bottom: 20px; right: 20px; font-size: 18px; }

  .accordion-header { padding: 16px 18px; font-size: 14px; min-height: 56px; }
  .faq-question { padding: 16px 18px; font-size: 14px; min-height: 56px; }
  .accordion-item.active .accordion-body { padding: 0 18px 18px; }
  .faq-item.active .faq-answer { padding: 0 18px 18px; }

  .exit-popup-box { padding: 40px 24px 32px; }
}

@media (max-width: 480px) {
  .hero-h1 { font-size: 26px; }
  .section-title { font-size: 22px; }
  .price-img { width: 110px; }
  .guarantee-img { width: 200px; }
  .cd-num { font-size: 40px; }
  .benefit-item { flex-direction: column; align-items: flex-start; }
  .guarantee-point { flex-direction: column; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}