/* =========================================
   YU SLEEP - styles.css
   Design: Deep Midnight Dream (Premium Dark)
   Colors: #0B0F1A (deep navy), #7C3AED (violet), 
           #A78BFA (lavender), #06B6D4 (cyan), #F8FAFC (white)
   Fonts: Montserrat (headings), Open Sans (body)
   ========================================= */

/* ---- CSS 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: #0B0F1A;
  color: #E2E8F0;
  line-height: 1.7;
  overflow-x: hidden;
}

input, select, textarea { font-size: 16px; }

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* ---- CSS VARIABLES ---- */
:root {
  --nav: #0D1120;
  --bg-dark: #0B0F1A;
  --bg-mid: #111827;
  --bg-card: #151D2E;
  --bg-card2: #1A2540;
  --violet: #7C3AED;
  --violet-light: #A78BFA;
  --cyan: #06B6D4;
  --cyan-light: #67E8F9;
  --accent: #F59E0B;
  --white: #F8FAFC;
  --text: #CBD5E1;
  --text-muted: #64748B;
  --border: rgba(167,139,250,0.15);
  --glow-v: rgba(124,58,237,0.35);
  --glow-c: rgba(6,182,212,0.25);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 40px rgba(124,58,237,0.35);
}

/* ---- 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, 24px); }

.text-gradient {
  background: linear-gradient(135deg, #A78BFA 0%, #06B6D4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.section-pad { padding: 80px 0; }
.dark-section { background: #111827; }

.section-title {
  text-align: center;
  color: var(--white);
  margin-bottom: 12px;
}

.section-sub {
  text-align: center;
  color: var(--text);
  font-size: 1.05rem;
  margin-bottom: 50px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- BUTTONS ---- */
.btn-primary, .btn-hero, .btn-final, .btn-exit, .btn-price, .btn-nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #7C3AED, #06B6D4);
  color: #fff;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  min-height: 48px;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 32px rgba(124,58,237,0.5); }

.btn-hero {
  background: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
  color: #fff;
  padding: 18px 36px;
  border-radius: 50px;
  font-size: 1.1rem;
  min-height: 56px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 8px 32px rgba(124,58,237,0.4);
  animation: pulse-btn 2.5s ease-in-out infinite;
}
.btn-hero:hover { transform: scale(1.05); box-shadow: 0 16px 48px rgba(124,58,237,0.6); animation: none; }

@keyframes pulse-btn {
  0%, 100% { box-shadow: 0 8px 32px rgba(124,58,237,0.4); }
  50% { box-shadow: 0 8px 48px rgba(6,182,212,0.6); }
}

.btn-price {
  background: linear-gradient(135deg, #7C3AED, #06B6D4);
  color: #fff;
  padding: 14px 24px;
  border-radius: 50px;
  font-size: 0.95rem;
  min-height: 50px;
  width: 100%;
  margin-top: 12px;
}
.btn-price:hover { transform: scale(1.05); box-shadow: var(--shadow-hover); }
.btn-price-pop { background: linear-gradient(135deg, #F59E0B, #EF4444); }
.btn-price-pop:hover { box-shadow: 0 8px 32px rgba(245,158,11,0.5); }

.btn-final {
  background: linear-gradient(135deg, #7C3AED 0%, #06B6D4 100%);
  color: #fff;
  padding: 20px 48px;
  border-radius: 50px;
  font-size: 1.15rem;
  min-height: 60px;
  width: 100%;
  max-width: 460px;
  box-shadow: 0 8px 40px rgba(124,58,237,0.5);
  animation: pulse-btn 2.5s ease-in-out infinite;
}
.btn-final:hover { transform: scale(1.05); box-shadow: 0 16px 60px rgba(124,58,237,0.7); animation: none; }

.btn-exit {
  background: linear-gradient(135deg, #EF4444, #F59E0B);
  color: #fff;
  padding: 16px 36px;
  border-radius: 50px;
  font-size: 1rem;
  min-height: 52px;
  width: 100%;
  margin-top: 16px;
}
.btn-exit:hover { transform: scale(1.05); box-shadow: 0 8px 32px rgba(239,68,68,0.5); }

/* ---- NAVIGATION ---- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(13,17,32,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition), padding var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 32px rgba(0,0,0,0.6); }

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
}

.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-img { width: 48px; height: 48px; object-fit: contain; border-radius: 8px; }
.logo-text { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.3rem; color: var(--white); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  color: var(--text);
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--violet-light); background: rgba(124,58,237,0.12); }

.btn-nav-cta {
  background: linear-gradient(135deg, #7C3AED, #06B6D4);
  color: #fff;
  padding: 10px 20px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  min-height: 42px;
  white-space: nowrap;
}
.btn-nav-cta:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(124,58,237,0.5); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: radial-gradient(ellipse 80% 60% at 20% 40%, rgba(124,58,237,0.18) 0%, transparent 60%),
              radial-gradient(ellipse 60% 50% at 80% 60%, rgba(6,182,212,0.12) 0%, transparent 60%),
              #0B0F1A;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}
.shape-1 { width: 400px; height: 400px; background: rgba(124,58,237,0.15); top: -100px; left: -100px; animation-delay: 0s; }
.shape-2 { width: 300px; height: 300px; background: rgba(6,182,212,0.12); bottom: -50px; right: -50px; animation-delay: 3s; }
.shape-3 { width: 200px; height: 200px; background: rgba(167,139,250,0.1); top: 50%; left: 50%; animation-delay: 6s; }

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(5deg); }
  66% { transform: translateY(10px) rotate(-3deg); }
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 60px;
  padding-bottom: 80px;
}

.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(124,58,237,0.4) 0%, transparent 70%);
  border-radius: 50%;
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}

.hero-bottle {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 340px;
  filter: drop-shadow(0 20px 60px rgba(124,58,237,0.5));
  animation: bottle-float 4s ease-in-out infinite;
}

@keyframes bottle-float {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}

.hero-stars-float {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(124,58,237,0.9);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  padding: 8px 16px;
  border-radius: 50px;
  white-space: nowrap;
  z-index: 2;
  border: 1px solid rgba(167,139,250,0.4);
}
.hero-stars-float span { opacity: 0.85; margin-left: 4px; }

.hero-badge {
  display: inline-block;
  background: rgba(124,58,237,0.2);
  color: var(--violet-light);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(124,58,237,0.4);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.hero-title {
  color: var(--white);
  margin-bottom: 20px;
}

.hero-desc {
  color: var(--text);
  font-size: 1rem;
  margin-bottom: 14px;
  line-height: 1.8;
}

.btn-hero { margin-top: 8px; }

.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}
.hero-trust span { display: flex; align-items: center; gap: 4px; }

/* ---- WHY US ---- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 20px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  cursor: default;
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-hover);
  border-color: rgba(124,58,237,0.5);
}

.why-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.why-icon img { width: 100%; height: 100%; object-fit: contain; }
.icon-fallback { font-size: 3rem; }

.why-card h3 { color: var(--white); font-size: 1rem; margin-bottom: 10px; }
.why-card p { color: var(--text); font-size: 0.88rem; line-height: 1.7; }

/* ---- SPLIT LAYOUT ---- */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split-content .eyebrow {
  display: inline-block;
  color: var(--violet-light);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 12px;
}

.split-content h2 { color: var(--white); margin-bottom: 20px; }
.split-content p { color: var(--text); margin-bottom: 16px; font-size: 0.97rem; line-height: 1.8; }

.split-image img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.guarantee-img-wrap img {
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 10px 40px rgba(124,58,237,0.3));
}

/* ---- HOW IT WORKS ---- */
.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-item.open { border-color: rgba(124,58,237,0.5); }

.accordion-btn {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  text-align: left;
  min-height: 60px;
  transition: background var(--transition);
}
.accordion-btn:hover { background: rgba(124,58,237,0.1); }

.acc-icon { font-size: 1.3rem; flex-shrink: 0; }
.acc-arrow { width: 20px; height: 20px; margin-left: auto; flex-shrink: 0; color: var(--violet-light); transition: transform 0.3s; }
.accordion-item.open .acc-arrow { transform: rotate(180deg); }

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.accordion-content.open { max-height: 300px; }
.accordion-content p {
  padding: 0 20px 20px 48px;
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ---- REVIEWS ---- */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--violet);
  flex-shrink: 0;
}
.avatar-fallback {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--violet);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.review-top strong { display: block; color: var(--white); font-size: 0.95rem; }
.review-top span { color: var(--text-muted); font-size: 0.82rem; }
.stars { font-size: 1rem; margin-bottom: 12px; }
.review-card p { color: var(--text); font-size: 0.9rem; line-height: 1.7; }

.rating-bar { text-align: center; }
.rating-bar img { max-width: 280px; margin: 0 auto; }
.star-text { color: var(--accent); font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.1rem; }

/* ---- PRICING ---- */
.countdown-wrap {
  text-align: center;
  margin-bottom: 44px;
}
.countdown-label { color: #EF4444; font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1rem; margin-bottom: 12px; }
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(239,68,68,0.1);
  border: 2px solid rgba(239,68,68,0.4);
  border-radius: var(--radius);
  padding: 14px 28px;
}
.ctime { display: flex; flex-direction: column; align-items: center; }
.ctime span { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2.2rem; color: #EF4444; line-height: 1; }
.ctime small { font-size: 0.65rem; font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; margin-top: 2px; }
.csep { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 2rem; color: #EF4444; line-height: 1; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
  align-items: start;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }

.price-card.popular {
  border-color: rgba(245,158,11,0.6);
  background: linear-gradient(180deg, rgba(124,58,237,0.15) 0%, var(--bg-card) 100%);
  box-shadow: 0 0 40px rgba(245,158,11,0.2);
}

.popular-badge {
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 6px 20px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  color: var(--violet-light);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--white);
  margin-bottom: 2px;
}
.price-supply { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 16px; }

.price-img {
  width: 120px;
  height: auto;
  margin: 0 auto 16px;
  filter: drop-shadow(0 4px 20px rgba(124,58,237,0.3));
}
.price-amount { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 1.8rem; color: var(--white); margin-bottom: 4px; }
.price-amount s { font-size: 1.1rem; color: var(--text-muted); font-weight: 600; margin-right: 8px; }
.price-per { color: var(--cyan); font-size: 0.82rem; font-weight: 600; margin-bottom: 10px; }

.bonus-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 6px; }
.badge-pill {
  background: rgba(6,182,212,0.15);
  color: var(--cyan);
  border: 1px solid rgba(6,182,212,0.3);
  font-size: 0.72rem;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 50px;
}

.cards-img, .atc-img {
  max-width: 160px;
  margin: 8px auto 0;
  opacity: 0.7;
}

/* ---- BONUS ---- */
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.bonus-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.bonus-card img { max-width: 180px; margin: 0 auto 20px; border-radius: var(--radius-sm); }
.bonus-icon { font-size: 4rem; margin-bottom: 16px; }
.bonus-card h3 { color: var(--white); margin-bottom: 12px; font-size: 1.1rem; }
.bonus-card p { color: var(--text); font-size: 0.92rem; line-height: 1.7; margin-bottom: 16px; }
.bonus-value { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem; }
.bonus-value s { color: var(--text-muted); margin-right: 8px; }
.bonus-value strong { color: var(--cyan); }

/* ---- INGREDIENTS ---- */
.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.ing-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px 20px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.ing-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(124,58,237,0.25); border-color: rgba(124,58,237,0.4); }

.ing-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2.5rem;
  color: rgba(124,58,237,0.2);
  line-height: 1;
  margin-bottom: 8px;
}
.ing-card h3 { color: var(--white); font-size: 1rem; margin-bottom: 8px; }
.ing-card p { color: var(--text); font-size: 0.88rem; line-height: 1.7; }

/* ---- SCIENCE ---- */
.science-list { display: flex; flex-direction: column; gap: 20px; max-width: 900px; margin: 0 auto; }

.sci-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--violet);
  border-radius: var(--radius-sm);
  padding: 24px 24px 24px 28px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.sci-item:hover { transform: translateX(6px); box-shadow: var(--shadow-card); }
.sci-item h3 { color: var(--white); font-size: 1.05rem; margin-bottom: 10px; }
.sci-item p { color: var(--text); font-size: 0.9rem; line-height: 1.8; }

/* ---- GUARANTEE ---- */
.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin: 24px 0; }
.g-point { display: flex; align-items: flex-start; gap: 16px; }
.g-icon { font-size: 1.6rem; flex-shrink: 0; margin-top: 2px; }
.g-point strong { display: block; color: var(--white); margin-bottom: 4px; font-size: 0.95rem; }
.g-point p { color: var(--text); font-size: 0.88rem; line-height: 1.7; }

/* ---- BENEFITS ---- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: transform var(--transition), border-color var(--transition);
}
.benefit-item:hover { transform: translateX(6px); border-color: rgba(124,58,237,0.4); }
.benefit-icon { font-size: 1.8rem; flex-shrink: 0; }
.benefit-item strong { display: block; color: var(--white); margin-bottom: 4px; font-size: 0.95rem; }
.benefit-item p { color: var(--text); font-size: 0.86rem; line-height: 1.6; }

/* ---- FAQ ---- */
.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-item.open { border-color: rgba(124,58,237,0.5); }

.faq-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 20px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.97rem;
  text-align: left;
  min-height: 60px;
  transition: background var(--transition);
}
.faq-btn:hover { background: rgba(124,58,237,0.1); }
.faq-arrow { width: 20px; height: 20px; flex-shrink: 0; color: var(--violet-light); transition: transform 0.3s; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-content { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-content.open { max-height: 400px; }
.faq-content p { padding: 0 20px 20px; color: var(--text); font-size: 0.92rem; line-height: 1.8; }

/* ---- FINAL CTA ---- */
.final-cta {
  background: radial-gradient(ellipse 80% 70% at 30% 50%, rgba(124,58,237,0.2) 0%, transparent 60%),
              radial-gradient(ellipse 60% 60% at 70% 50%, rgba(6,182,212,0.12) 0%, transparent 60%),
              #0B0F1A;
  position: relative;
  overflow: hidden;
}

.final-cta-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  position: relative;
  z-index: 1;
}

.fshape {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
}
.fshape-1 { width: 500px; height: 500px; background: rgba(124,58,237,0.15); top: -100px; left: -150px; animation: float 10s ease-in-out infinite; }
.fshape-2 { width: 350px; height: 350px; background: rgba(6,182,212,0.1); bottom: -100px; right: -100px; animation: float 8s ease-in-out infinite reverse; }

.final-img {
  width: 300px;
  flex-shrink: 0;
  filter: drop-shadow(0 20px 60px rgba(124,58,237,0.5));
  animation: bottle-float 4s ease-in-out infinite;
}

.final-content h2 { color: var(--white); margin-bottom: 20px; }
.final-price { display: flex; flex-direction: column; gap: 4px; margin-bottom: 20px; }
.old-price { color: var(--text-muted); font-size: 1rem; }
.new-price { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 1.8rem; color: var(--accent); }
.final-content p { color: var(--text); margin-bottom: 24px; font-size: 0.97rem; line-height: 1.8; }
.btn-final { margin-bottom: 20px; }

.final-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ---- FOOTER ---- */
.footer { background: #060810; border-top: 1px solid var(--border); padding: 60px 0 32px; }

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-logo { width: 56px; height: 56px; object-fit: contain; margin-bottom: 12px; border-radius: 8px; }
.footer-logo-text { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1.4rem; color: var(--white); display: block; margin-bottom: 12px; }
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; line-height: 1.7; max-width: 280px; }

.footer-links-col h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.85rem; color: var(--white); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.footer-links-col a { display: block; color: var(--text-muted); font-size: 0.88rem; margin-bottom: 10px; transition: color var(--transition); }
.footer-links-col a:hover { color: var(--violet-light); }

.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.legal-link { color: var(--text-muted); font-size: 0.85rem; transition: color var(--transition); }
.legal-link:hover { color: var(--violet-light); }
.link-separator { color: var(--text-muted); opacity: 0.4; }

.footer-social-col h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.85rem; color: var(--white); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 16px; }
.social-icons { display: flex; gap: 12px; }
.social-icon {
  width: 40px; height: 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  transition: all var(--transition);
}
.social-icon:hover { background: var(--violet); color: #fff; border-color: var(--violet); transform: translateY(-3px); }
.social-icon svg { width: 16px; height: 16px; }

.footer-disclaimer {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  color: var(--text-muted);
  font-size: 0.78rem;
  line-height: 1.7;
}
.footer-disclaimer p { margin-bottom: 10px; }
.footer-disclaimer a { color: var(--violet-light); }
.footer-disclaimer a:hover { text-decoration: underline; }

/* ---- SCROLL TO TOP ---- */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #7C3AED, #06B6D4);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  transition: opacity var(--transition), transform var(--transition);
  z-index: 900;
  box-shadow: 0 4px 20px rgba(124,58,237,0.5);
}
.scroll-top.visible { opacity: 1; transform: translateY(0) scale(1); }
.scroll-top:hover { transform: translateY(-4px) scale(1.1); box-shadow: 0 8px 32px rgba(124,58,237,0.7); }
.scroll-top svg { width: 22px; height: 22px; }

/* ---- NOTIFICATION POPUP ---- */
.notif-popup {
  position: fixed;
  bottom: 28px;
  left: 20px;
  background: var(--bg-card2);
  border: 1px solid rgba(124,58,237,0.4);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 280px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 800;
  opacity: 0;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.4s;
}
.notif-popup.show { opacity: 1; transform: translateX(0); }
.notif-popup img { width: 44px; height: 44px; border-radius: 8px; object-fit: contain; flex-shrink: 0; }
.notif-text strong { display: block; color: var(--white); font-size: 0.88rem; font-weight: 700; }
.notif-text span { color: var(--text); font-size: 0.82rem; }
.notif-text small { display: block; color: var(--cyan); font-size: 0.78rem; margin-top: 2px; }
.notif-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 2px 6px;
  flex-shrink: 0;
}
.notif-close:hover { color: var(--white); }

/* ---- EXIT POPUP ---- */
.exit-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.exit-overlay.show { opacity: 1; pointer-events: all; }

.exit-popup {
  background: var(--bg-card2);
  border: 1px solid rgba(124,58,237,0.5);
  border-radius: 20px;
  padding: 40px 36px;
  max-width: 500px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 80px rgba(0,0,0,0.7);
  transform: scale(0.9);
  transition: transform 0.3s;
}
.exit-overlay.show .exit-popup { transform: scale(1); }

.exit-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.exit-close:hover { color: var(--white); }

.exit-badge {
  display: inline-block;
  background: rgba(239,68,68,0.15);
  color: #F87171;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  border: 1px solid rgba(239,68,68,0.3);
}
.exit-content h2 { color: var(--white); font-size: 1.6rem; margin-bottom: 14px; line-height: 1.3; }
.exit-content p { color: var(--text); font-size: 0.93rem; line-height: 1.7; margin-bottom: 4px; }
.exit-small-close { margin-top: 14px; }
.exit-small-close a { color: var(--text-muted); font-size: 0.78rem; text-decoration: underline; }
.exit-small-close a:hover { color: var(--text); }

/* ---- ANIMATIONS ---- */
.fade-up, .fade-left, .fade-right {
  opacity: 0;
  transition-property: opacity, transform;
  transition-duration: 0.7s;
  transition-timing-function: cubic-bezier(0.4,0,0.2,1);
  transition-delay: var(--delay, 0s);
}
.fade-up { transform: translateY(40px); }
.fade-left { transform: translateX(-40px); }
.fade-right { transform: translateX(40px); }

.fade-up.visible, .fade-left.visible, .fade-right.visible {
  opacity: 1;
  transform: translate(0);
}

@media (prefers-reduced-motion: reduce) {
  .fade-up, .fade-left, .fade-right { opacity: 1; transform: none; transition: none; }
  .hero-bottle, .hero-glow { animation: none; }
  .btn-hero, .btn-final { animation: none; }
  .shape { animation: none; }
}

/* ============================================
   RESPONSIVE BREAKPOINTS (MOBILE FIRST)
   ============================================ */

/* ---- 320px – 575px (Phones) ---- */
@media (max-width: 575px) {
  .section-pad { padding: 60px 0; }
  
  /* Hero */
  .hero-container { grid-template-columns: 1fr; gap: 32px; padding-top: 32px; padding-bottom: 60px; }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 220px; }
  .hero-glow { width: 240px; height: 240px; }
  .hero-stars-float { font-size: 0.72rem; padding: 6px 12px; }
  .hero-title { font-size: 26px; }
  .hero-desc { font-size: 0.9rem; }
  .btn-hero { font-size: 0.95rem; padding: 16px 24px; max-width: 100%; }
  .hero-trust { gap: 10px; font-size: 0.75rem; }

  /* Nav */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(13,17,32,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: 999;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { width: 100%; padding: 14px 16px; font-size: 1rem; }
  .btn-nav-cta { width: 100%; margin-top: 8px; padding: 14px 20px; font-size: 1rem; }

  /* Why */
  .why-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Split */
  .split-layout, .split-layout.reverse-mobile { grid-template-columns: 1fr; gap: 32px; }
  .split-layout .split-image { order: -1; }
  .split-layout.reverse-mobile .split-image { order: -1; }

  /* Reviews */
  .review-grid { grid-template-columns: 1fr; gap: 16px; }

  /* Pricing */
  .pricing-grid { grid-template-columns: 1fr; gap: 20px; }
  .ctime span { font-size: 2.6rem; }
  
  /* Benefits */
  .benefits-grid { grid-template-columns: 1fr; }
  
  /* Bonus */
  .bonus-grid { grid-template-columns: 1fr; }
  
  /* Ingredients */
  .ing-grid { grid-template-columns: 1fr; }
  
  /* Footer */
  .footer-top { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .footer-brand p { margin: 0 auto; }
  .footer-legal-links { justify-content: center; }
  .social-icons { justify-content: center; }
  
  /* Final CTA */
  .final-cta-inner { flex-direction: column; gap: 32px; text-align: center; align-items: center; }
  .final-img { width: 200px; }
  .btn-final { max-width: 100%; font-size: 1rem; }
  .final-trust { justify-content: center; }
  
  /* Scroll top */
  .scroll-top { bottom: 16px; right: 16px; width: 50px; height: 50px; }
  
  /* Notif popup */
  .notif-popup { max-width: calc(100% - 32px); left: 16px; right: 16px; bottom: 16px; }
}

/* ---- 576px – 767px (Large Phones) ---- */
@media (min-width: 576px) and (max-width: 767px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; gap: 20px; }
  .price-card.popular { order: -1; }
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
  .final-cta-inner { flex-direction: column; gap: 40px; text-align: center; align-items: center; }
  .final-img { width: 240px; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 76px; left: 0; right: 0;
    background: rgba(13,17,32,0.98); backdrop-filter: blur(16px);
    flex-direction: column; padding: 20px; gap: 4px;
    transform: translateX(100%); transition: transform 0.35s;
    z-index: 999; border-bottom: 1px solid var(--border);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { width: 100%; padding: 14px 16px; font-size: 1rem; }
  .btn-nav-cta { width: 100%; margin-top: 8px; }
  .split-layout, .split-layout.reverse-mobile { grid-template-columns: 1fr; gap: 32px; }
  .split-layout .split-image { order: -1; }
  .split-layout.reverse-mobile .split-image { order: -1; }
}

/* ---- 768px – 1023px (Tablets) ---- */
@media (min-width: 768px) and (max-width: 1023px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed; top: 76px; left: 0; right: 0;
    background: rgba(13,17,32,0.98); backdrop-filter: blur(16px);
    flex-direction: column; padding: 24px; gap: 8px;
    transform: translateX(100%); transition: transform 0.35s;
    z-index: 999; border-bottom: 1px solid var(--border);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { padding: 12px 16px; }
  .btn-nav-cta { width: 100%; margin-top: 8px; }
  
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .price-card:last-child { grid-column: span 1; }
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: repeat(2, 1fr); }
  .hero-container { gap: 40px; }
}

/* ---- 1024px+ (Desktop) ---- */
@media (min-width: 1024px) {
  .hero-container { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: repeat(3, 1fr); }
}