/* =============================================
   NERVEALIVE - styles.css
   Design: Medical Professional (Blue theme)
   Fonts: Montserrat (headings) + Open Sans (body)
   ============================================= */

/* ---- CSS Variables ---- */
:root {
  --primary:    #1E40AF;
  --primary-dk: #1a35a0;
  --accent:     #3B82F6;
  --accent-lt:  #93C5FD;
  --green:      #10B981;
  --yellow:     #F59E0B;
  --red:        #EF4444;
  --white:      #FFFFFF;
  --off-white:  #F0F7FF;
  --gray-lt:    #E8F0FE;
  --gray:       #6B7280;
  --dark:       #0F172A;
  --text:       #1E293B;
  --shadow:     0 4px 24px rgba(30,64,175,0.13);
  --shadow-lg:  0 8px 40px rgba(30,64,175,0.22);
  --radius:     16px;
  --radius-sm:  10px;
  --transition: 0.3s ease;
}

/* ---- 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;
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ---- Typography ---- */
h1,h2,h3,h4,h5,h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--dark);
}

/* ---- Utility ---- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.accent { color: var(--accent); }
.section-tag {
  display: inline-block;
  background: var(--gray-lt);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  margin-bottom: 12px;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.8;
}
section { padding: 72px 0; }
section:nth-child(even) { background: var(--off-white); }

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  min-height: 52px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(30,64,175,0.35);
  text-align: center;
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px rgba(30,64,175,0.45);
}
.btn-primary:active { transform: scale(0.98); }
.pulse-btn { animation: pulse 2.2s infinite; }
@keyframes pulse {
  0%,100% { box-shadow: 0 4px 20px rgba(30,64,175,0.35); }
  50% { box-shadow: 0 4px 40px rgba(59,130,246,0.65); }
}

/* =============================================
   SECTION 1 — NAVBAR
   ============================================= */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 999;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 16px rgba(30,64,175,0.10);
  transition: padding var(--transition), box-shadow var(--transition);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--primary);
}
.nav-logo img { width: 38px; height: 38px; border-radius: 8px; object-fit: cover; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--primary); background: var(--gray-lt); }
.nav-cta {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 50px;
  min-height: 44px;
  display: flex; align-items: center;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }
/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px; min-height: 44px;
}
.hamburger span {
  display: block;
  width: 24px; height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* =============================================
   SECTION 2 — HERO
   ============================================= */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #1E40AF 100%);
  display: flex;
  align-items: center;
  padding-top: 80px;
  position: relative;
  overflow: hidden;
}
/* Particles */
.hero-bg-particles { position: absolute; inset: 0; pointer-events: none; }
.particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(147,197,253,0.12);
  animation: float 8s ease-in-out infinite;
}
.p1 { width:320px; height:320px; top:-100px; right:-80px; animation-delay:0s; }
.p2 { width:200px; height:200px; bottom:60px; left:-60px; animation-delay:2s; }
.p3 { width:120px; height:120px; top:40%; left:30%; animation-delay:4s; }
.p4 { width:80px; height:80px; top:20%; right:25%; animation-delay:1s; }
.p5 { width:60px; height:60px; bottom:20%; right:10%; animation-delay:3s; }
@keyframes float {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-24px) scale(1.06); }
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 60px 20px;
  position: relative;
  z-index: 2;
}
.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(59,130,246,0.35) 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: 2;
  max-width: 320px;
  filter: drop-shadow(0 20px 60px rgba(59,130,246,0.45));
  animation: bottle-float 4s ease-in-out infinite;
}
@keyframes bottle-float {
  0%,100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-badge-float {
  position: absolute;
  bottom: 10px; right: 0;
  background: var(--yellow);
  color: var(--dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 8px 16px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  animation: badge-bounce 2.5s ease-in-out infinite;
}
@keyframes badge-bounce {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-content { color: var(--white); }
.hero-eyebrow {
  display: inline-block;
  background: rgba(147,197,253,0.18);
  color: var(--accent-lt);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
  border: 1px solid rgba(147,197,253,0.25);
}
.hero-h1 {
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  color: var(--white);
  margin-bottom: 20px;
  line-height: 1.15;
}
.hero-highlight {
  background: linear-gradient(90deg, var(--accent-lt), #60A5FA);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  line-height: 1.8;
}
.hero-desc strong { color: var(--white); }
.hero-stars {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  color: rgba(255,255,255,0.75);
  font-size: 0.9rem;
}
.hero-cta {
  font-size: 1.05rem;
  padding: 18px 36px;
  margin-bottom: 20px;
  width: 100%;
  max-width: 380px;
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  box-shadow: 0 6px 30px rgba(239,68,68,0.45);
}
.hero-cta:hover { box-shadow: 0 10px 40px rgba(239,68,68,0.6); }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.75);
}
.hero-trust span {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 50px;
}

/* =============================================
   SECTION 3 — WHY CHOOSE
   ============================================= */
.why-choose { text-align: center; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.why-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 20px;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid rgba(59,130,246,0.08);
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
}
.why-icon-wrap {
  width: 90px; height: 90px;
  margin: 0 auto 18px;
  background: var(--gray-lt);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.why-icon-wrap img { width: 64px; height: 64px; object-fit: contain; }
.why-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary);
}
.why-card p { font-size: 0.9rem; color: var(--gray); line-height: 1.7; }

/* =============================================
   SECTION 4 — WHAT IS
   ============================================= */
.what-is { background: var(--off-white); }
.what-is-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.what-is-image {
  position: relative;
  display: flex;
  justify-content: center;
}
.what-is-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 440px;
  object-fit: cover;
}
.what-badge {
  position: absolute;
  bottom: -14px; right: 10px;
  background: var(--primary);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 8px 16px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(30,64,175,0.3);
}
.what-is-content p { font-size: 1rem; color: var(--gray); margin-bottom: 16px; line-height: 1.8; }
.what-is-content p strong { color: var(--text); }

/* =============================================
   SECTION 5 — HOW IT WORKS
   ============================================= */
.how-it-works { text-align: center; }
.accordion-list { max-width: 820px; margin: 0 auto; text-align: left; }
.accordion-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  border: 1px solid rgba(59,130,246,0.12);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(30,64,175,0.06);
}
.accordion-header {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--dark);
  min-height: 60px;
  text-align: left;
  transition: background var(--transition);
}
.accordion-header:hover { background: var(--gray-lt); }
.accordion-item.active .accordion-header { background: var(--gray-lt); color: var(--primary); }
.acc-icon { font-size: 1.2rem; flex-shrink: 0; }
.acc-arrow {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.accordion-item.active .acc-arrow { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 20px;
}
.accordion-item.active .accordion-body {
  max-height: 400px;
  padding: 0 20px 20px;
}
.accordion-body p { font-size: 0.95rem; color: var(--gray); line-height: 1.8; }

/* =============================================
   SECTION 6 — REVIEWS
   ============================================= */
.reviews { text-align: center; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 22px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(59,130,246,0.08);
  text-align: left;
  transition: transform var(--transition), box-shadow var(--transition);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.review-avatar {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent-lt);
  flex-shrink: 0;
}
.review-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.95rem; }
.review-loc { font-size: 0.8rem; color: var(--gray); margin-bottom: 4px; }
.review-text { font-size: 0.92rem; color: var(--gray); line-height: 1.7; margin-bottom: 12px; }
.review-verified { font-size: 0.78rem; color: var(--green); font-weight: 600; }

/* =============================================
   SECTION 7 & 13 — PRICING
   ============================================= */
.pricing { text-align: center; }
.countdown-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  background: linear-gradient(135deg, var(--red), #FF6B35);
  border-radius: var(--radius);
  padding: 18px 28px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  box-shadow: 0 4px 20px rgba(239,68,68,0.35);
}
.countdown-label {
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}
.countdown-timer {
  display: flex;
  align-items: center;
  gap: 8px;
}
.time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(255,255,255,0.15);
  border-radius: 8px;
  padding: 8px 16px;
  min-width: 64px;
}
.time-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--white);
  line-height: 1;
}
.time-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.08em;
  margin-top: 2px;
}
.time-sep {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--white);
  line-height: 1;
  margin-bottom: 14px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}
.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--shadow);
  border: 2px solid rgba(59,130,246,0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border-color: var(--primary);
  background: linear-gradient(160deg, #EFF6FF 0%, #DBEAFE 100%);
  transform: scale(1.04);
  box-shadow: 0 12px 48px rgba(30,64,175,0.22);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-8px); }
.popular-banner {
  position: absolute;
  top: -18px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(30,64,175,0.35);
  letter-spacing: 0.05em;
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 16px;
  border-radius: 50px;
  margin-top: 10px;
}
.price-label.basic { background: var(--gray-lt); color: var(--gray); }
.price-label.popular-lbl { background: var(--primary); color: var(--white); }
.price-label.bundle { background: #FEF3C7; color: #92400E; }
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--dark);
}
.price-supply { font-size: 0.85rem; color: var(--gray); }
.price-img { max-width: 140px; }
.price-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.badge-pill {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.7rem;
  padding: 4px 12px;
  border-radius: 50px;
  letter-spacing: 0.04em;
}
.badge-pill.green { background: #D1FAE5; color: #065F46; }
.badge-pill.blue { background: #DBEAFE; color: #1E40AF; }
.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 10px;
}
.price-strike {
  text-decoration: line-through;
  color: var(--gray);
  font-weight: 600;
}
.price-now {
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--primary);
}
.price-now.big { font-size: 2.2rem; color: var(--red); }
.price-per { font-size: 0.88rem; color: var(--gray); }
.price-btn {
  width: 100%;
  font-size: 0.95rem;
  padding: 14px 20px;
  margin-top: 4px;
}
.payment-logos {
  opacity: 0.65;
  margin-top: 4px;
  max-width: 180px;
}
.pricing-stars {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.pricing-stars p { font-size: 0.9rem; color: var(--gray); }

/* =============================================
   SECTION 8 — BONUS
   ============================================= */
.bonus { text-align: center; background: var(--off-white); }
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}
.bonus-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(59,130,246,0.08);
  transition: transform var(--transition), box-shadow var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-number {
  background: var(--primary);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  padding: 5px 14px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 16px;
}
.bonus-card img {
  max-height: 220px;
  width: auto;
  margin: 0 auto 16px;
  object-fit: contain;
}
.bonus-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--primary);
}
.bonus-card p { font-size: 0.9rem; color: var(--gray); line-height: 1.7; }

/* =============================================
   SECTION 9 — INGREDIENTS
   ============================================= */
.ingredients { text-align: center; }
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}
.ingr-card {
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 22px 18px;
  box-shadow: 0 2px 14px rgba(30,64,175,0.07);
  border: 1px solid rgba(59,130,246,0.1);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ingr-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ingr-icon {
  font-size: 1.8rem;
  margin-bottom: 10px;
  display: block;
}
.ingr-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.ingr-card p { font-size: 0.88rem; color: var(--gray); line-height: 1.7; }

/* =============================================
   SECTION 10 — SCIENCE
   ============================================= */
.science { text-align: center; background: var(--off-white); }

/* =============================================
   SECTION 11 — GUARANTEE
   ============================================= */
.guarantee { background: var(--white); }
.guarantee-inner {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 56px;
  align-items: center;
}
.guarantee-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.guarantee-content p { font-size: 1rem; color: var(--gray); margin-bottom: 24px; line-height: 1.8; }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; }
.g-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.g-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
  line-height: 1;
  margin-top: 2px;
}
.g-point h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 4px;
}
.g-point p { font-size: 0.88rem; color: var(--gray); line-height: 1.7; }

/* =============================================
   SECTION 12 — BENEFITS
   ============================================= */
.benefits { text-align: center; background: var(--off-white); }
.benefits-grid {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  text-align: left;
}
.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  box-shadow: 0 2px 10px rgba(30,64,175,0.06);
  border: 1px solid rgba(59,130,246,0.08);
  font-size: 0.95rem;
  color: var(--text);
  line-height: 1.7;
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-item:hover { transform: translateX(6px); box-shadow: var(--shadow); }
.benefit-check { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.benefits-cta { margin-top: 36px; }

/* =============================================
   SECTION 14 — FAQ
   ============================================= */
.faq { text-align: center; }

/* =============================================
   SECTION 15 — FINAL CTA
   ============================================= */
.final-cta {
  background: linear-gradient(135deg, #0F172A 0%, #1E3A5F 50%, #1E40AF 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.final-cta-particles { position: absolute; inset: 0; pointer-events: none; }
.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.final-image-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}
.final-bottle-img {
  max-width: 300px;
  filter: drop-shadow(0 20px 60px rgba(59,130,246,0.45));
  animation: bottle-float 4s ease-in-out infinite;
}
.final-cta-content { color: var(--white); }
.final-cta-content .section-tag { background: rgba(147,197,253,0.15); color: var(--accent-lt); }
.final-cta-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: var(--white);
  margin-bottom: 8px;
}
.final-cta-sub {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: rgba(255,255,255,0.85);
  font-weight: 700;
  margin-bottom: 20px;
}
.final-price-line {
  font-size: 1rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
}
.price-strike-big {
  text-decoration: line-through;
  font-size: 1.2rem;
  color: rgba(255,255,255,0.5);
}
.final-special-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 20px;
}
.big-price {
  font-size: 1.8rem;
  color: var(--yellow);
}
.final-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  margin-bottom: 28px;
  line-height: 1.8;
}
.final-btn {
  font-size: 1.1rem;
  padding: 18px 40px;
  width: 100%;
  max-width: 400px;
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  box-shadow: 0 6px 30px rgba(239,68,68,0.45);
  margin-bottom: 20px;
}
.final-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.7);
  margin-bottom: 16px;
}
.final-trust span {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 50px;
}
.final-stars {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  padding: 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding: 60px 20px 40px;
}
.footer-brand {}
.footer-logo-text {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--white);
  margin: 8px 0;
}
.footer-tagline {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.7;
  margin-top: 8px;
}
.footer-links-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer-links-col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--accent-lt); }
.footer-social-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  color: var(--white);
  margin-bottom: 16px;
}
.social-icons { display: flex; gap: 10px; flex-wrap: wrap; }
.social-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  transition: transform var(--transition), background var(--transition);
  cursor: pointer;
}
.social-icon:hover { transform: scale(1.1); }
.social-icon.fb { background: #1877F2; color: var(--white); }
.social-icon.tw { background: #000; color: var(--white); }
.social-icon.pi { background: #E60023; color: var(--white); }
.social-icon.li { background: #0A66C2; color: var(--white); }

.footer-disclaimer {
  background: rgba(0,0,0,0.35);
  padding: 28px 0;
  border-top: 1px solid rgba(255,255,255,0.07);
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 4px;
  justify-content: center;
  margin-bottom: 16px;
}
.legal-link {
  font-size: 0.82rem;
  color: var(--accent-lt);
  padding: 2px 8px;
  transition: color var(--transition);
}
.legal-link:hover { color: var(--white); }
.link-separator { color: rgba(255,255,255,0.3); }
.disclaimer-text {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
  max-width: 900px;
  margin: 0 auto 12px;
  text-align: center;
}
.footer-copy {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  text-align: center;
}
.footer-copy a { color: var(--accent-lt); }

/* =============================================
   SCROLL TO TOP
   ============================================= */
.scroll-top {
  position: fixed;
  bottom: 28px; right: 20px;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(30,64,175,0.4);
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 900;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: scale(1.1) translateY(-4px); }

/* =============================================
   PURCHASE NOTIFICATION
   ============================================= */
.notif-popup {
  position: fixed;
  bottom: 20px; left: 16px;
  background: var(--white);
  border-radius: 14px;
  padding: 12px 16px 12px 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 300px;
  z-index: 850;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
  border-left: 4px solid var(--green);
}
.notif-popup.show { transform: translateX(0); }
.notif-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.notif-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.85rem;
}
.notif-text strong { color: var(--dark); }
.notif-text span { color: var(--gray); }
.notif-close {
  background: none; border: none;
  cursor: pointer;
  color: var(--gray);
  font-size: 0.85rem;
  padding: 4px;
  flex-shrink: 0;
  margin-left: auto;
}

/* =============================================
   EXIT INTENT POPUP
   ============================================= */
.popup-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.popup-overlay.show { opacity: 1; pointer-events: auto; }
.popup-modal {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  position: relative;
  box-shadow: 0 20px 80px rgba(0,0,0,0.3);
  text-align: center;
  transform: scale(0.8);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.popup-overlay.show .popup-modal { transform: scale(1); }
.popup-close {
  position: absolute;
  top: 14px; right: 14px;
  background: var(--gray-lt);
  border: none;
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--gray);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition);
}
.popup-close:hover { background: var(--red); color: var(--white); }
.popup-tag {
  background: var(--gray-lt);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 5px 14px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 14px;
}
.popup-title {
  font-size: 1.8rem;
  margin-bottom: 12px;
  color: var(--dark);
}
.popup-desc {
  font-size: 0.95rem;
  color: var(--gray);
  margin-bottom: 20px;
  line-height: 1.7;
}
.popup-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}
.popup-strike {
  text-decoration: line-through;
  font-size: 1.1rem;
  color: var(--gray);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}
.popup-now {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2rem;
  color: var(--red);
}
.popup-per { font-size: 0.85rem; color: var(--gray); }
.popup-cta { width: 100%; font-size: 1.05rem; }
.popup-fine {
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: 12px;
}

/* =============================================
   ANIMATIONS
   ============================================= */
.fade-in-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.slide-up { opacity: 0; transform: translateY(36px); transition: opacity 0.6s ease calc(var(--delay, 0s)), transform 0.6s ease calc(var(--delay, 0s)); }
.fade-in-left.visible, .fade-in-right.visible, .slide-up.visible {
  opacity: 1; transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .fade-in-left, .fade-in-right, .slide-up,
  .hero-bottle, .hero-badge-float, .hero-glow, .final-bottle-img,
  .pulse-btn { animation: none !important; transition: none !important; opacity: 1 !important; transform: none !important; }
}

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

/* Tablet */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 28px; }
  .guarantee-inner { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image { order: -1; }
  .guarantee-image img { max-width: 280px; margin: 0 auto; }
}

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 220px; }
  .hero-cta { max-width: 100%; }
  .hero-trust { justify-content: center; }
  .hero-stars { justify-content: center; }
  .what-is-inner { grid-template-columns: 1fr; text-align: center; }
  .what-is-image { order: -1; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .price-card.popular { transform: scale(1); }
  .reviews-grid { grid-template-columns: 1fr; max-width: 520px; margin: 0 auto; }
  .final-cta-inner { grid-template-columns: 1fr; text-align: center; }
  .final-image-wrap { order: -1; }
  .final-bottle-img { max-width: 200px; }
  .final-btn { max-width: 100%; }
  .final-trust { justify-content: center; }
  .final-stars { justify-content: center; }
}

@media (max-width: 768px) {
  section { padding: 52px 0; }
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: min(300px, 80vw);
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 40px 28px;
    box-shadow: -4px 0 32px rgba(0,0,0,0.12);
    transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: 998;
    gap: 8px;
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1rem; padding: 12px 0; width: 100%; }
  .nav-cta { width: 100%; justify-content: center; margin-top: 16px; }
  .bonus-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; text-align: center; }
  .social-icons { justify-content: center; }
  .footer-legal-links { flex-direction: row; flex-wrap: wrap; }
}

@media (max-width: 576px) {
  .why-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .hero-h1 { font-size: 1.65rem; }
  .section-title { font-size: 1.4rem; }
  .hero-trust { flex-direction: column; align-items: center; }
  .countdown-wrap { flex-direction: column; gap: 10px; }
  .time-num { font-size: 1.6rem; }
  .notif-popup { max-width: calc(100vw - 32px); }
}

@media (max-width: 380px) {
  .container { padding: 0 14px; }
  .hero-h1 { font-size: 1.45rem; }
  .btn-primary { font-size: 0.9rem; padding: 14px 20px; }
}