/* =============================================
   CLEARTONE — STYLES.CSS
   Design: Premium Medical Professional
   Colors: #0F2A52 (Navy), #1E6FD9 (Blue), #00C9A7 (Teal accent)
   Fonts: Montserrat (headings) + Open Sans (body)
   ============================================= */

/* ---- CSS VARIABLES ---- */
:root {
  --navy: #0F2A52;
  --blue: #1E6FD9;
  --blue-light: #3D8EF5;
  --teal: #00C9A7;
  --gold: #F5A623;
  --white: #FFFFFF;
  --off-white: #F8FAFF;
  --gray-light: #EEF2F9;
  --gray: #6B7A8D;
  --dark: #0A1628;
  --text: #1A2B45;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 10px 40px rgba(15, 42, 82, 0.12);
  --shadow-lg: 0 20px 60px rgba(15, 42, 82, 0.18);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Open Sans', sans-serif;
  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; }

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.25; }
h1 { font-size: clamp(24px, 5vw, 52px); }
h2 { font-size: clamp(22px, 3.5vw, 40px); }
h3 { font-size: clamp(18px, 2.5vw, 24px); }
h4 { font-size: clamp(16px, 2vw, 20px); }
p { font-size: clamp(15px, 1.5vw, 17px); line-height: 1.75; }

/* ---- UTILITY ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }
.section-pad { padding: 80px 0; }
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  text-align: center;
  color: var(--navy);
  margin-bottom: 16px;
  position: relative;
}
.section-title.left { text-align: left; }
.section-title::after {
  content: '';
  display: block;
  width: 70px;
  height: 4px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  border-radius: 4px;
  margin: 14px auto 0;
}
.section-title.left::after { margin-left: 0; }
.section-sub { text-align: center; color: var(--gray); font-size: 17px; margin-bottom: 48px; }
.highlight { color: var(--blue); }

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue) 0%, var(--teal) 100%);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 36px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(30, 111, 217, 0.3);
  min-height: 54px;
  text-align: center;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 10px 36px rgba(30, 111, 217, 0.45); }
.btn-hero {
  display: inline-block;
  background: linear-gradient(135deg, #F5A623 0%, #E8890C 100%);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(16px, 2vw, 19px);
  padding: 18px 44px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 30px rgba(245, 166, 35, 0.4);
  min-height: 58px;
  text-align: center;
}
.btn-hero:hover { transform: scale(1.05); box-shadow: 0 14px 44px rgba(245, 166, 35, 0.55); }
.pulse-btn {
  animation: pulseCTA 2s infinite;
}
@keyframes pulseCTA {
  0%, 100% { box-shadow: 0 8px 30px rgba(245,166,35,0.4); }
  50% { box-shadow: 0 8px 50px rgba(245,166,35,0.7), 0 0 0 8px rgba(245,166,35,0.1); }
}
.btn-nav {
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 11px 24px;
  border-radius: 50px;
  transition: var(--transition);
  min-height: 44px;
  white-space: nowrap;
}
.btn-nav:hover { transform: scale(1.05); box-shadow: 0 4px 20px rgba(30,111,217,0.4); }
.btn-price {
  display: block;
  width: 100%;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 15px 20px;
  border-radius: 50px;
  text-align: center;
  transition: var(--transition);
  min-height: 50px;
  border: none;
  cursor: pointer;
  margin: 16px 0 8px;
}
.btn-price:hover { transform: scale(1.03); box-shadow: 0 8px 28px rgba(30,111,217,0.4); }
.popular-btn {
  background: linear-gradient(135deg, var(--gold), #E8890C) !important;
  box-shadow: 0 6px 24px rgba(245,166,35,0.35);
}

/* =============================================
   SECTION 1: NAVIGATION
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(30,111,217,0.1);
  transition: var(--transition);
  padding: 14px 0;
}
.navbar.scrolled { padding: 8px 0; box-shadow: 0 4px 24px rgba(15,42,82,0.12); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--navy);
}
.logo-img { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }
.logo-accent { color: var(--blue); }
.nav-links { display: flex; gap: 32px; }
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--navy);
  transition: var(--transition);
  position: relative;
  padding-bottom: 4px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue);
  transition: width 0.3s;
}
.nav-link:hover { color: var(--blue); }
.nav-link:hover::after { width: 100%; }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--navy);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-menu {
  display: none;
  flex-direction: column;
  gap: 0;
  background: white;
  border-top: 1px solid var(--gray-light);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
}
.mobile-menu.open { max-height: 400px; padding: 20px 20px 24px; }
.mobile-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--navy);
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-light);
  display: block;
}
.mobile-cta { margin-top: 16px; text-align: center; }

/* =============================================
   SECTION 2: HERO
   ============================================= */
.hero {
  padding: 120px 0 80px;
  background: linear-gradient(135deg, #EEF6FF 0%, #F0FAFB 50%, #EEF6FF 100%);
  position: relative;
  overflow: hidden;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.07;
}
.shape-1 {
  width: 500px; height: 500px;
  background: var(--blue);
  top: -100px; right: -100px;
  animation: floatShape 8s ease-in-out infinite;
}
.shape-2 {
  width: 300px; height: 300px;
  background: var(--teal);
  bottom: -80px; left: -60px;
  animation: floatShape 10s ease-in-out infinite reverse;
}
.shape-3 {
  width: 200px; height: 200px;
  background: var(--gold);
  top: 40%; right: 30%;
  animation: floatShape 6s ease-in-out infinite;
}
@keyframes floatShape {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}
.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(30,111,217,0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}
.hero-img {
  max-width: 380px;
  width: 100%;
  position: relative;
  z-index: 2;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(15,42,82,0.2));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-badge {
  position: absolute;
  top: 20px;
  right: 0;
  background: var(--gold);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(245,166,35,0.4);
  z-index: 3;
  animation: badgePop 0.5s 1s both;
}
@keyframes badgePop {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}
.hero-stars-badge {
  position: absolute;
  bottom: 30px;
  left: 0;
  background: white;
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 50px;
  box-shadow: var(--shadow);
  z-index: 3;
}
.hero-stars-badge span { font-size: 11px; color: var(--gray); }
.hero-content { position: relative; z-index: 2; }
.hero-label {
  display: inline-block;
  background: rgba(30,111,217,0.1);
  color: var(--blue);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 7px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  border: 1px solid rgba(30,111,217,0.2);
}
.hero-title { color: var(--navy); margin-bottom: 22px; }
.hero-desc { color: #3A4A60; margin-bottom: 16px; }
.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0;
}
.hero-features span {
  background: rgba(0,201,167,0.1);
  color: #007A63;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(0,201,167,0.3);
}
.hero-sub { color: var(--gray); font-size: 14px; margin-top: 14px; }

/* HERO ANIMATION */
.hero-content > * {
  opacity: 0;
  transform: translateX(30px);
  animation: slideInRight 0.7s forwards;
}
.hero-content > *:nth-child(1) { animation-delay: 0.2s; }
.hero-content > *:nth-child(2) { animation-delay: 0.35s; }
.hero-content > *:nth-child(3) { animation-delay: 0.5s; }
.hero-content > *:nth-child(4) { animation-delay: 0.65s; }
.hero-content > *:nth-child(5) { animation-delay: 0.8s; }
.hero-content > *:nth-child(6) { animation-delay: 0.95s; }
.hero-content > *:nth-child(7) { animation-delay: 1.1s; }
@keyframes slideInRight {
  to { opacity: 1; transform: translateX(0); }
}
.hero-image-wrap {
  opacity: 0;
  animation: slideInLeft 0.8s 0.3s forwards;
}
@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

/* =============================================
   SECTION 3: WHY CHOOSE US
   ============================================= */
.why-us { background: var(--off-white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.why-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(30,111,217,0.08);
  opacity: 0;
  transform: translateY(30px);
}
.why-card.aos-visible { opacity: 1; transform: translateY(0); }
.why-card:nth-child(2) { transition-delay: 0.1s; }
.why-card:nth-child(3) { transition-delay: 0.2s; }
.why-card:nth-child(4) { transition-delay: 0.3s; }
.why-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-lg); }
.why-icon { width: 72px; height: 72px; object-fit: contain; margin: 0 auto 18px; }
.why-card h3 { color: var(--navy); font-size: 16px; margin-bottom: 12px; }
.why-card p { color: var(--gray); font-size: 14px; line-height: 1.65; }

/* =============================================
   SECTION 4: WHAT IS CLEARTONE
   ============================================= */
.what-is { background: white; }
.what-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.what-image {
  position: relative;
  text-align: center;
}
.what-image img {
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}
.what-badge-float {
  position: absolute;
  bottom: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 24px;
  border-radius: 50px;
  box-shadow: 0 6px 20px rgba(30,111,217,0.3);
  white-space: nowrap;
}
.what-content p { color: var(--text); margin-bottom: 18px; }
.what-content .btn-primary { margin-top: 10px; }

/* =============================================
   SECTION 5: HOW IT WORKS
   ============================================= */
.how-works { background: linear-gradient(135deg, #EEF6FF 0%, #F0FAFB 100%); }
.accordion-wrap { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(30,111,217,0.08);
}
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--navy);
  min-height: 64px;
  transition: background 0.2s;
}
.accordion-header:hover { background: var(--off-white); }
.acc-icon { font-size: 22px; flex-shrink: 0; }
.acc-chevron { margin-left: auto; transition: transform 0.3s; font-size: 13px; color: var(--blue); }
.accordion-header[aria-expanded="true"] .acc-chevron { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 24px;
}
.accordion-body.open { max-height: 400px; padding: 0 24px 22px; }
.accordion-body p { color: var(--text); font-size: 15px; }

/* =============================================
   SECTION 6: REVIEWS
   ============================================= */
.reviews { background: var(--off-white); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}
.review-card {
  background: white;
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(30,111,217,0.08);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.review-card.aos-visible { opacity: 1; transform: translateY(0); }
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.review-top { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 16px; }
.review-avatar { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 3px solid var(--teal); flex-shrink: 0; }
.review-location { font-size: 13px; color: var(--gray); }
.stars { font-size: 14px; margin-top: 4px; }
.review-text { color: var(--text); font-size: 14.5px; line-height: 1.7; }
.rating-img-wrap { text-align: center; margin-top: 20px; }
.rating-img-wrap img { max-width: 280px; margin: 0 auto; }

/* =============================================
   SECTION 7 & 13: PRICING
   ============================================= */
.pricing { background: var(--navy); }
.pricing .section-title { color: white; }
.pricing .section-title::after { background: linear-gradient(90deg, var(--gold), var(--teal)); }
.pricing .section-sub { color: rgba(255,255,255,0.75); }

/* Timer */
.timer-box {
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 20px 30px;
  text-align: center;
  max-width: 340px;
  margin: 0 auto 48px;
  backdrop-filter: blur(10px);
}
.timer-label { color: rgba(255,255,255,0.8); font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px; margin-bottom: 12px; }
.timer-digits { display: flex; justify-content: center; align-items: center; gap: 8px; }
.digit-block {
  background: rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 10px 18px;
  min-width: 80px;
  text-align: center;
}
.digit-block span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--gold);
  line-height: 1;
}
.digit-block small { display: block; color: rgba(255,255,255,0.7); font-size: 11px; font-weight: 600; letter-spacing: 1px; margin-top: 4px; }
.timer-colon { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 36px; color: var(--gold); line-height: 1; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card {
  background: white;
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  position: relative;
  transition: var(--transition);
  border: 2px solid transparent;
  box-shadow: var(--shadow-lg);
}
.price-card:hover { transform: translateY(-6px); }
.price-card.popular {
  background: white;
  border: 2px solid var(--gold);
  transform: scale(1.04);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-6px); }
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), #E8890C);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--blue);
  margin-bottom: 6px;
}
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--navy);
}
.price-supply { color: var(--gray); font-size: 13px; margin-bottom: 16px; }
.price-img { max-width: 160px; margin: 0 auto 16px; }
.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 40px;
  color: var(--navy);
  line-height: 1;
}
.price-amount span { font-size: 16px; color: var(--gray); }
.price-total { font-size: 15px; color: var(--gray); margin: 8px 0; }
.price-total s { color: #CC3333; }
.price-total strong { color: var(--navy); }
.price-badges { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; }
.price-badges span {
  background: rgba(0,201,167,0.1);
  color: #007A63;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 50px;
  border: 1px solid rgba(0,201,167,0.3);
}
.cards-img, .atc-img { max-width: 180px; margin: 8px auto 0; }

/* =============================================
   SECTION 8: BONUSES
   ============================================= */
.bonuses { background: linear-gradient(135deg, #EEF6FF 0%, #F0FAFB 100%); }
.bonus-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.bonus-card {
  background: white;
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(30,111,217,0.1);
  transition: var(--transition);
  text-align: center;
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-num {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.bonus-card img { max-width: 280px; margin: 0 auto 20px; border-radius: 12px; }
.bonus-card h3 { color: var(--navy); margin-bottom: 12px; font-size: 18px; }
.bonus-card p { color: var(--gray); font-size: 14.5px; }

/* =============================================
   SECTION 9: INGREDIENTS
   ============================================= */
.ingredients { background: var(--off-white); }
.ingr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ingr-card {
  background: white;
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(30,111,217,0.08);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.ingr-card.aos-visible { opacity: 1; transform: translateY(0); }
.ingr-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(30,111,217,0.2); }
.ingr-card h3 { color: var(--navy); font-size: 16px; margin-bottom: 10px; font-family: 'Montserrat', sans-serif; font-weight: 700; }
.ingr-card p { color: var(--gray); font-size: 14px; line-height: 1.65; }

/* =============================================
   SECTION 10: SCIENCE
   ============================================= */
.science { background: white; }
.science-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.science-item {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 4px solid var(--blue);
  transition: var(--transition);
  opacity: 0;
  transform: translateX(-20px);
}
.science-item.aos-visible { opacity: 1; transform: translateX(0); }
.science-item:hover { border-left-color: var(--teal); transform: translateX(4px); }
.science-item h3 { color: var(--navy); font-size: 16px; margin-bottom: 12px; }
.science-item p { color: var(--text); font-size: 14.5px; }

/* =============================================
   SECTION 11: GUARANTEE
   ============================================= */
.guarantee { background: linear-gradient(135deg, #EEF6FF 0%, #F0FAFB 100%); }
.guarantee-container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-image img {
  width: 280px;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  animation: guaranteePulse 4s ease-in-out infinite;
}
@keyframes guaranteePulse {
  0%, 100% { transform: scale(1); box-shadow: var(--shadow-lg); }
  50% { transform: scale(1.04); box-shadow: 0 30px 80px rgba(15,42,82,0.22); }
}
.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin-top: 24px; }
.guarantee-point { display: flex; gap: 16px; align-items: flex-start; }
.g-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.guarantee-point h4 { color: var(--navy); margin-bottom: 6px; font-size: 16px; }
.guarantee-point p { color: var(--text); font-size: 14.5px; }

/* =============================================
   SECTION 12: BENEFITS
   ============================================= */
.benefits { background: var(--navy); }
.benefits .section-title { color: white; }
.benefits .section-title::after { background: linear-gradient(90deg, var(--gold), var(--teal)); }
.benefits .section-sub { color: rgba(255,255,255,0.75); }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.benefit-item.aos-visible { opacity: 1; transform: translateY(0); }
.benefit-item:hover { background: rgba(255,255,255,0.12); transform: translateY(-3px); }
.benefit-check { font-size: 22px; flex-shrink: 0; margin-top: 2px; }
.benefit-item h3 { color: white; font-size: 16px; margin-bottom: 8px; }
.benefit-item p { color: rgba(255,255,255,0.75); font-size: 14px; }

/* =============================================
   SECTION 14: FAQ
   ============================================= */
.faq { background: var(--off-white); }
.faq-wrap { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  border: 1px solid rgba(30,111,217,0.08);
}
.faq-q {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--navy);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  transition: background 0.2s;
}
.faq-q::after { content: '▼'; font-size: 12px; color: var(--blue); transition: transform 0.3s; flex-shrink: 0; margin-left: 12px; }
.faq-q[aria-expanded="true"] { background: rgba(30,111,217,0.04); }
.faq-q[aria-expanded="true"]::after { transform: rotate(180deg); }
.faq-q:hover { background: var(--off-white); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 24px;
}
.faq-a.open { max-height: 400px; padding: 0 24px 22px; }
.faq-a p { color: var(--text); font-size: 15px; }

/* =============================================
   SECTION 15: FINAL CTA
   ============================================= */
.final-cta {
  background: linear-gradient(135deg, #0F2A52 0%, #1E4080 50%, #0F2A52 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.final-img {
  max-width: 380px;
  width: 100%;
  margin: 0 auto;
  filter: drop-shadow(0 30px 50px rgba(0,0,0,0.4));
}
.floating-anim { animation: heroFloat 4s ease-in-out infinite; }
.final-cta-content { text-align: left; }
.final-urgency {
  display: inline-block;
  background: var(--gold);
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 1px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
}
.final-title {
  color: white;
  font-size: clamp(24px, 3vw, 40px);
  margin-bottom: 20px;
  line-height: 1.3;
}
.final-cta-content > p { color: rgba(255,255,255,0.8); margin-bottom: 28px; }
.final-price-display { margin-bottom: 28px; }
.final-reg { color: rgba(255,255,255,0.6); font-size: 16px; margin-bottom: 4px; }
.final-reg s { color: #FF6B6B; }
.final-special {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 32px;
  color: var(--gold);
}
.final-special span { font-size: 48px; }
.final-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.final-badges span {
  background: rgba(255,255,255,0.1);
  color: rgba(255,255,255,0.85);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  padding: 7px 16px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
}
.final-disclaimer { color: rgba(255,255,255,0.4); font-size: 12px; margin-top: 16px; }

/* =============================================
   FOOTER
   ============================================= */
.footer { background: var(--dark); padding: 60px 0 30px; }
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  margin-bottom: 30px;
}
.footer-brand .nav-logo { color: white; margin-bottom: 12px; display: inline-flex; }
.footer-brand p { color: rgba(255,255,255,0.5); font-size: 14px; }
.footer-links-col h4 {
  color: white;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 16px;
}
.footer-links-col a {
  display: block;
  color: rgba(255,255,255,0.55);
  font-size: 14px;
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-links-col a:hover { color: var(--teal); }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.legal-link { color: rgba(255,255,255,0.55) !important; font-size: 14px; }
.link-separator { color: rgba(255,255,255,0.3); }

.footer-social { display: flex; justify-content: center; gap: 14px; margin-bottom: 30px; }
.social-icon {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.social-icon:hover { background: var(--blue); color: white; transform: translateY(-3px); }

.footer-disclaimer {
  background: rgba(255,255,255,0.04);
  border-radius: var(--radius-sm);
  padding: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(255,255,255,0.06);
}
.footer-disclaimer p { color: rgba(255,255,255,0.4); font-size: 12.5px; line-height: 1.8; }
.footer-copy { text-align: center; }
.footer-copy p { color: rgba(255,255,255,0.35); font-size: 13px; }
.footer-copy a { color: var(--teal); }

/* =============================================
   PURCHASE NOTIFICATION
   ============================================= */
.purchase-notification {
  position: fixed;
  bottom: 24px;
  left: 20px;
  z-index: 9999;
  background: white;
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18);
  padding: 12px 16px;
  max-width: 300px;
  transform: translateY(120px);
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border-left: 4px solid var(--teal);
}
.purchase-notification.show { transform: translateY(0); opacity: 1; }
.notif-inner { display: flex; align-items: center; gap: 12px; }
.notif-img { width: 42px; height: 42px; border-radius: 8px; object-fit: contain; flex-shrink: 0; }
.notif-text { flex: 1; font-size: 13px; color: var(--text); line-height: 1.5; }
.notif-close {
  background: none; border: none; cursor: pointer;
  font-size: 18px; color: var(--gray); padding: 0 4px;
  min-width: 24px; min-height: 24px;
}

/* =============================================
   EXIT POPUP
   ============================================= */
.exit-popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 99999;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.exit-popup-overlay.active { display: flex; }
.exit-popup {
  background: white;
  border-radius: 24px;
  max-width: 460px;
  width: 100%;
  padding: 44px 36px;
  text-align: center;
  position: relative;
  box-shadow: 0 24px 80px rgba(0,0,0,0.4);
  animation: popupIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes popupIn {
  from { opacity: 0; transform: scale(0.8) translateY(-30px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}
.exit-popup-close {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 22px; color: var(--gray);
  background: none; border: none; cursor: pointer;
  width: 36px; height: 36px;
}
.exit-popup-emoji { font-size: 48px; margin-bottom: 12px; }
.exit-popup h3 { color: var(--navy); font-size: 24px; margin-bottom: 12px; }
.exit-popup p { color: var(--text); margin-bottom: 8px; }
.exit-price { font-size: 22px; font-weight: 700; color: var(--navy); margin: 16px 0; }
.exit-price strong { color: var(--blue); font-size: 28px; }
.exit-popup-btn { display: block; margin: 0 auto 12px; }
.exit-popup-skip { display: block; color: var(--blue); font-size: 13px; font-family: 'Montserrat', sans-serif; font-weight: 600; }

/* =============================================
   SCROLL TO TOP
   ============================================= */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 20px;
  z-index: 999;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--blue), var(--teal));
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(30,111,217,0.4);
}
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 8px 28px rgba(30,111,217,0.5); }

/* =============================================
   AOS (Intersection Observer animations)
   ============================================= */
[data-aos] { transition: opacity 0.6s ease, transform 0.6s ease; }

/* =============================================
   RESPONSIVE — TABLET (< 1024px)
   ============================================= */
@media (max-width: 1023px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-container { gap: 40px; }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .ingr-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-top .footer-brand { grid-column: 1 / -1; }
}

/* =============================================
   RESPONSIVE — MOBILE (< 768px)
   ============================================= */
@media (max-width: 767px) {
  .section-pad { padding: 60px 0; }
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .hero { padding: 100px 0 60px; }
  .hero-container {
    grid-template-columns: 1fr;
    gap: 36px;
    text-align: center;
  }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; }
  .hero-img { max-width: 260px; margin: 0 auto; }
  .hero-features { justify-content: center; }
  .hero-title { font-size: 26px; }
  .btn-hero { width: 100%; display: block; }

  .why-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .why-card { padding: 24px 16px; }

  .what-container { grid-template-columns: 1fr; gap: 36px; }
  .what-image { order: 1; }
  .what-content { order: 2; }

  .reviews-grid { grid-template-columns: 1fr; }
  .ingr-grid { grid-template-columns: 1fr; }
  .science-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }

  .pricing-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-4px); }

  .bonus-grid { grid-template-columns: 1fr; }

  .guarantee-container { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image img { width: 200px; margin: 0 auto; }
  .guarantee-point { text-align: left; }

  .final-cta-container { grid-template-columns: 1fr; text-align: center; }
  .final-cta-image { order: 1; }
  .final-cta-content { order: 2; }
  .final-urgency, .final-title, .final-price-display { text-align: center; }
  .final-badges { justify-content: center; }
  .btn-hero { width: 100%; }

  .footer-top { grid-template-columns: 1fr; text-align: center; }
  .footer-legal-links { justify-content: center; }
  .footer-brand .nav-logo { justify-content: center; }

  .timer-box { max-width: 280px; }
  .digit-block span { font-size: 28px; }

  .section-title.left { text-align: center; }
  .section-title.left::after { margin: 14px auto 0; }
  .what-content .btn-primary { width: 100%; text-align: center; }
}

/* =============================================
   RESPONSIVE — SMALL PHONES (< 480px)
   ============================================= */
@media (max-width: 479px) {
  .hero-img { max-width: 220px; }
  .why-grid { grid-template-columns: 1fr; }
  .final-special span { font-size: 36px; }
  .exit-popup { padding: 32px 20px; }
}

/* =============================================
   REDUCED MOTION
   ============================================= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .pulse-btn { animation: none; }
  .hero-img { animation: none; }
  .hero-content > * { opacity: 1; transform: none; animation: none; }
  .hero-image-wrap { opacity: 1; animation: none; }
}