/* ===========================
   NERVEVITALI - styles.css
   Medical Professional Theme
   =========================== */

/* --- 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: #f8fafc;
  color: #1e293b;
  line-height: 1.7;
  overflow-x: hidden;
}
input, select, textarea { font-size: 16px; }

/* --- CSS VARIABLES --- */
:root {
  --primary: #1a4fa3;
  --primary-dark: #0f2d6e;
  --primary-light: #3b82f6;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --green: #10b981;
  --text: #1e293b;
  --text-light: #64748b;
  --white: #ffffff;
  --bg-light: #f8fafc;
  --bg-section: #eef4ff;
  --dark: #0d1b3e;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(26,79,163,0.12);
  --shadow-lg: 0 12px 48px rgba(26,79,163,0.18);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}
h1 { font-size: clamp(24px, 5vw, 50px); }
h2 { font-size: clamp(22px, 4vw, 38px); }
h3 { font-size: clamp(18px, 3vw, 24px); }
p { font-size: clamp(15px, 2vw, 17px); line-height: 1.8; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

/* --- UTILITIES --- */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-accent { color: var(--accent); }
.text-accent-light { color: #93c5fd; }
.section-header { text-align: center; margin-bottom: 50px; }
.section-header h2 { margin-bottom: 12px; }
.section-header p { color: var(--text-light); font-size: 18px; }
.section-header.light h2 { color: var(--white); }
.section-header.light p { color: rgba(255,255,255,0.8); }
.section-tag { display: inline-block; background: var(--bg-section); color: var(--primary); padding: 6px 16px; border-radius: 100px; font-size: 13px; font-weight: 700; font-family: 'Montserrat', sans-serif; margin-bottom: 14px; border: 1px solid rgba(26,79,163,0.15); }
.section-tag-light { display: inline-block; background: rgba(255,255,255,0.15); color: var(--white); padding: 6px 16px; border-radius: 100px; font-size: 13px; font-weight: 700; font-family: 'Montserrat', sans-serif; margin-bottom: 14px; border: 1px solid rgba(255,255,255,0.25); }

/* --- AOS ANIMATIONS --- */
[data-aos] { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos].aos-animate { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  [data-aos] { opacity: 1 !important; transform: none !important; transition: none !important; }
}

/* --- BUTTONS --- */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  padding: 16px 36px;
  border-radius: 100px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 17px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(26,79,163,0.3);
  min-height: 48px;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 32px rgba(26,79,163,0.4); }
.btn-primary:active { transform: scale(0.98); }

/* ===========================
   SECTION 1: NAVBAR
   =========================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid transparent;
  transition: all 0.3s ease;
  padding: 14px 0;
}
.navbar.scrolled {
  padding: 8px 0;
  border-bottom-color: rgba(26,79,163,0.12);
  box-shadow: var(--shadow);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  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: 800;
  font-size: 22px;
  color: var(--primary);
}
.nav-logo img { width: 44px; height: 44px; border-radius: 8px; object-fit: contain; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-link {
  padding: 8px 16px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
  border-radius: 8px;
  transition: var(--transition);
}
.nav-link:hover { background: var(--bg-section); color: var(--primary); }
.nav-cta {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  padding: 10px 22px;
  border-radius: 100px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(245,158,11,0.35);
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 8px 24px rgba(245,158,11,0.45); }
.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 {
  width: 26px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: var(--transition);
  display: block;
}
.hamburger.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 72px; left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.35s cubic-bezier(0.4,0,0.2,1);
    pointer-events: none;
    border-bottom: 3px solid var(--primary);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-link, .nav-cta { width: 100%; justify-content: center; text-align: center; min-height: 48px; }
  .nav-cta { border-radius: 12px; }
}

/* ===========================
   SECTION 2: HERO
   =========================== */
.hero {
  padding-top: 90px;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.hero-particle {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  animation: floatUp linear infinite;
}
@keyframes floatUp {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 60px 20px;
}
.hero-image-col { display: flex; justify-content: center; }
.hero-img-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulse 3s ease-in-out infinite;
}
@keyframes pulse { 0%, 100% { transform: scale(1); opacity: 0.7; } 50% { transform: scale(1.15); opacity: 1; } }
.hero-bottle {
  max-height: 420px;
  width: auto;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.4));
  animation: floatBottle 4s ease-in-out infinite;
  position: relative;
  z-index: 2;
}
@keyframes floatBottle {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-badge-float {
  position: absolute;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  color: var(--primary-dark);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  animation: badgePulse 2s ease-in-out infinite;
  z-index: 3;
  white-space: nowrap;
}
.hero-badge-1 { top: 5%; left: -5%; animation-delay: 0s; }
.hero-badge-2 { top: 45%; right: -8%; animation-delay: 0.7s; }
.hero-badge-3 { bottom: 8%; left: -2%; animation-delay: 1.4s; }
@keyframes badgePulse { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.hero-content-col { color: var(--white); }
.hero-tag {
  display: inline-block;
  background: rgba(245,158,11,0.2);
  border: 1px solid rgba(245,158,11,0.5);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 20px;
}
.hero-h1 {
  color: var(--white);
  margin-bottom: 24px;
  letter-spacing: -0.5px;
}
.hero-highlight {
  background: linear-gradient(135deg, var(--accent), #f97316);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  font-size: 16px;
}
.hero-bullets {
  list-style: none;
  margin-bottom: 32px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.hero-bullets li {
  color: rgba(255,255,255,0.9);
  font-size: 15px;
  font-weight: 500;
  font-family: 'Montserrat', sans-serif;
  display: flex;
  align-items: center;
  gap: 8px;
}
.btn-hero {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  padding: 18px 40px;
  border-radius: 100px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  box-shadow: 0 6px 30px rgba(245,158,11,0.45);
  min-height: 58px;
  display: flex;
  align-items: center;
  width: fit-content;
  animation: heroBtnPulse 2.5s ease-in-out infinite;
}
.btn-hero:hover { transform: scale(1.05); box-shadow: 0 12px 40px rgba(245,158,11,0.55); animation: none; }
.btn-hero:active { transform: scale(0.98); }
@keyframes heroBtnPulse {
  0%, 100% { box-shadow: 0 6px 30px rgba(245,158,11,0.45); }
  50% { box-shadow: 0 8px 40px rgba(245,158,11,0.7), 0 0 0 8px rgba(245,158,11,0.1); }
}
.hero-trust {
  margin-top: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255,255,255,0.65);
  font-size: 13px;
}
.hero-cards { max-width: 180px; opacity: 0.8; }

@media (max-width: 767px) {
  .hero { padding-top: 80px; min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; padding: 40px 20px; }
  .hero-image-col { order: 1; }
  .hero-content-col { order: 2; }
  .hero-bottle { max-height: 280px; }
  .hero-glow { width: 250px; height: 250px; }
  .hero-badge-1 { top: 0; left: 0; font-size: 11px; padding: 6px 12px; }
  .hero-badge-2 { right: 0; top: 40%; font-size: 11px; padding: 6px 12px; }
  .hero-badge-3 { bottom: 0; left: 5%; font-size: 11px; padding: 6px 12px; }
  .btn-hero { width: 100%; justify-content: center; font-size: 16px; padding: 16px 24px; }
}

/* ===========================
   SECTION 3: WHY CHOOSE
   =========================== */
.why-choose { padding: 80px 0; background: var(--bg-light); }
.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.badge-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(26,79,163,0.08);
  transition: var(--transition);
}
.badge-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-lg); }
.badge-icon-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  overflow: hidden;
}
.badge-icon-wrap img { width: 56px; height: 56px; object-fit: contain; }
.badge-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--primary); }
.badge-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

@media (max-width: 991px) {
  .badges-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .badges-grid { grid-template-columns: 1fr; }
}

/* ===========================
   SECTION 4: WHAT IS
   =========================== */
.what-is { padding: 80px 0; background: var(--white); }
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.what-is-img {
  position: relative;
  display: flex;
  justify-content: center;
}
.what-is-img-glow {
  position: absolute;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(26,79,163,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.what-is-img img {
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 450px;
}
.what-is-content .section-tag { margin-bottom: 12px; }
.what-is-content h2 { margin-bottom: 20px; }
.what-is-content p { color: var(--text-light); margin-bottom: 16px; }
.what-is-content .btn-primary { margin-top: 20px; }

@media (max-width: 767px) {
  .what-is-grid { grid-template-columns: 1fr; gap: 30px; }
  .what-is-img { order: 1; }
  .what-is-content { order: 2; }
}

/* ===========================
   SECTION 5: HOW IT WORKS
   =========================== */
.how-it-works {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
}
.how-it-works .section-header { margin-bottom: 40px; }
.accordion-list { display: flex; flex-direction: column; gap: 12px; max-width: 900px; margin: 0 auto; }
.accordion-item {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  overflow: hidden;
  backdrop-filter: blur(8px);
  transition: var(--transition);
}
.accordion-item.active { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.25); }
.accordion-header {
  display: flex;
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 18px 24px;
  background: none;
  border: none;
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 17px;
  cursor: pointer;
  text-align: left;
  min-height: 60px;
  transition: var(--transition);
}
.accordion-header:hover { background: rgba(255,255,255,0.05); }
.acc-icon { font-size: 24px; flex-shrink: 0; }
.acc-arrow { margin-left: auto; font-size: 14px; transition: transform 0.3s ease; 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 24px;
}
.accordion-item.active .accordion-body { max-height: 500px; padding: 0 24px 20px; }
.accordion-body p { color: rgba(255,255,255,0.8); font-size: 15px; }
.accordion-body strong { color: var(--white); }

@media (max-width: 767px) {
  .accordion-header { font-size: 15px; padding: 16px 18px; }
  .accordion-body { padding: 0 18px; }
  .accordion-item.active .accordion-body { padding: 0 18px 16px; }
}

/* ===========================
   SECTION 6: REVIEWS
   =========================== */
.reviews { padding: 80px 0; background: var(--bg-light); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(26,79,163,0.08);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-light);
  flex-shrink: 0;
}
.review-header h4 { font-size: 16px; margin-bottom: 2px; color: var(--primary-dark); }
.review-header span { font-size: 12px; color: var(--text-light); }
.stars { color: var(--accent); font-size: 16px; margin-top: 4px; }
.review-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; font-style: italic; }
.review-verified { font-size: 12px; color: var(--green); font-weight: 600; margin-top: 12px; font-family: 'Montserrat', sans-serif; }
.reviews-stars-row {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.reviews-stars-row img { max-width: 200px; }
.reviews-stars-row strong { font-size: 18px; color: var(--primary); font-family: 'Montserrat', sans-serif; }

@media (max-width: 991px) { .reviews-grid { grid-template-columns: 1fr; } }
@media (min-width: 576px) and (max-width: 991px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===========================
   SECTION 7 & 13: PRICING
   =========================== */
.pricing {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%);
  position: relative;
}
.pricing::before {
  content: '';
  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='0.02'%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");
  pointer-events: none;
}
.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label { color: rgba(255,255,255,0.8); font-family: 'Montserrat', sans-serif; font-weight: 600; margin-bottom: 12px; font-size: 16px; }
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(245,158,11,0.5);
  border-radius: 16px;
  padding: 12px 24px;
}
.cd-block { text-align: center; }
.cd-block span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(36px, 6vw, 56px);
  color: var(--accent);
  line-height: 1;
  min-width: 60px;
}
.cd-block small { color: rgba(255,255,255,0.7); font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.cd-sep { font-size: 40px; color: var(--accent); font-weight: 900; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  position: relative;
  z-index: 1;
}
.pricing-card {
  background: var(--white);
  border-radius: 20px;
  padding: 28px 20px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  border: 2px solid transparent;
}
.pricing-card:hover { transform: translateY(-8px); border-color: var(--primary-light); }
.pricing-card.popular {
  background: linear-gradient(135deg, #1a4fa3 0%, #0f2d6e 100%);
  color: var(--white);
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(26,79,163,0.4);
}
.pricing-card.popular:hover { transform: scale(1.05) translateY(-8px); }
.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  padding: 6px 20px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
}
.price-label { font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 13px; letter-spacing: 2px; text-transform: uppercase; color: var(--primary); margin-bottom: 4px; }
.pricing-card.popular .price-label { color: rgba(255,255,255,0.7); }
.price-bottles { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 22px; color: var(--text); margin-bottom: 2px; }
.pricing-card.popular .price-bottles { color: var(--white); }
.price-supply { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.pricing-card.popular .price-supply { color: rgba(255,255,255,0.7); }
.price-img { max-height: 140px; width: auto; margin: 0 auto 16px; }
.price-per { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 32px; color: var(--primary); }
.price-per small { font-size: 16px; font-weight: 600; color: var(--text-light); }
.pricing-card.popular .price-per { color: var(--accent); }
.pricing-card.popular .price-per small { color: rgba(255,255,255,0.7); }
.price-total { font-size: 16px; color: var(--text-light); margin: 8px 0 16px; font-weight: 600; }
.pricing-card.popular .price-total { color: rgba(255,255,255,0.8); }
.price-total s { color: #ef4444; }
.price-total strong { color: var(--green); font-size: 20px; }
.price-badges-row { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.mini-badge {
  background: rgba(16,185,129,0.1);
  border: 1px solid rgba(16,185,129,0.3);
  color: var(--green);
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
}
.pricing-card.popular .mini-badge { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.3); color: var(--white); }
.btn-price {
  display: block;
  width: 100%;
  margin-bottom: 14px;
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition);
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--green), #059669);
  padding: 4px;
  box-shadow: 0 4px 16px rgba(16,185,129,0.3);
}
.btn-price:hover { transform: scale(1.03); box-shadow: 0 8px 24px rgba(16,185,129,0.4); }
.btn-price:active { transform: scale(0.98); }
.popular-btn { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); box-shadow: 0 4px 16px rgba(245,158,11,0.4); }
.popular-btn:hover { box-shadow: 0 8px 24px rgba(245,158,11,0.5); }
.atc-img { max-height: 44px; width: auto; }
.price-cards { max-width: 150px; margin: 0 auto; opacity: 0.75; }
.pricing-stars { text-align: center; margin-top: 30px; }
.pricing-stars img { max-width: 180px; margin: 0 auto; filter: brightness(2); }

@media (max-width: 767px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.popular { transform: none; }
  .pricing-card.popular:hover { transform: translateY(-8px); }
}
@media (min-width: 576px) and (max-width: 767px) {
  .pricing-grid { grid-template-columns: 1fr 1fr; }
  .pricing-card.popular { grid-column: 1 / -1; }
}

/* ===========================
   SECTION 8: BONUS
   =========================== */
.bonus { padding: 80px 0; background: var(--white); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}
.bonus-card {
  background: var(--bg-section);
  border-radius: 20px;
  padding: 32px;
  text-align: center;
  border: 2px solid rgba(26,79,163,0.1);
  transition: var(--transition);
  position: relative;
}
.bonus-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.bonus-num {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  padding: 4px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 800;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 16px;
}
.bonus-card img { max-height: 180px; width: auto; margin: 0 auto 20px; border-radius: 12px; }
.bonus-card h3 { color: var(--primary-dark); margin-bottom: 12px; }
.bonus-card p { font-size: 14px; color: var(--text-light); }
.bonus-value { font-size: 16px; font-weight: 700; color: var(--green); font-family: 'Montserrat', sans-serif; margin-top: 16px; }
.bonus-value s { color: var(--text-light); font-weight: 400; }

@media (max-width: 767px) { .bonus-grid { grid-template-columns: 1fr; } }

/* ===========================
   SECTION 9: INGREDIENTS
   =========================== */
.ingredients {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 100%);
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.ing-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.ing-card:hover { background: rgba(255,255,255,0.12); transform: translateY(-4px); border-color: rgba(255,255,255,0.2); }
.ing-icon { font-size: 36px; margin-bottom: 12px; display: block; }
.ing-card h3 { color: var(--white); font-size: 17px; margin-bottom: 10px; }
.ing-card p { color: rgba(255,255,255,0.75); font-size: 14px; line-height: 1.7; }
.ing-card strong { color: rgba(255,255,255,0.95); }

@media (max-width: 991px) { .ingredients-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .ingredients-grid { grid-template-columns: 1fr; } }

/* ===========================
   SECTION 10: SCIENCE
   =========================== */
.science { padding: 80px 0; background: var(--bg-light); }
.science-list { display: flex; flex-direction: column; gap: 30px; max-width: 900px; margin: 0 auto; }
.science-item {
  display: flex;
  gap: 24px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--primary);
  transition: var(--transition);
}
.science-item:hover { transform: translateX(5px); box-shadow: var(--shadow-lg); }
.science-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  margin-top: 6px;
  box-shadow: 0 0 0 4px rgba(26,79,163,0.15);
}
.science-content h3 { font-size: 18px; color: var(--primary-dark); margin-bottom: 10px; }
.science-content p { font-size: 15px; color: var(--text-light); line-height: 1.7; margin-bottom: 8px; }
.science-content strong { color: var(--text); }

@media (max-width: 575px) { .science-item { flex-direction: column; gap: 14px; } }

/* ===========================
   SECTION 11: GUARANTEE
   =========================== */
.guarantee { padding: 80px 0; background: var(--white); }
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
}
.guarantee-img { display: flex; justify-content: center; }
.guarantee-img img { max-width: 360px; width: 100%; }
.guarantee-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--green), #059669);
  color: var(--white);
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 16px;
}
.guarantee-content h2 { margin-bottom: 28px; }
.guarantee-points { display: flex; flex-direction: column; gap: 24px; margin-bottom: 28px; }
.guarantee-point { display: flex; gap: 18px; }
.gp-icon { font-size: 32px; flex-shrink: 0; }
.guarantee-point h3 { font-size: 17px; color: var(--primary-dark); margin-bottom: 6px; }
.guarantee-point p { font-size: 14px; color: var(--text-light); }

@media (max-width: 767px) {
  .guarantee-grid { grid-template-columns: 1fr; gap: 30px; }
  .guarantee-img { order: 1; }
  .guarantee-content { order: 2; }
}

/* ===========================
   SECTION 12: BENEFITS
   =========================== */
.benefits {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%);
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  gap: 16px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 22px;
  transition: var(--transition);
}
.benefit-item:hover { background: rgba(255,255,255,0.12); transform: translateX(4px); }
.benefit-check { font-size: 24px; flex-shrink: 0; }
.benefit-item h3 { font-size: 16px; color: var(--white); margin-bottom: 6px; }
.benefit-item p { font-size: 14px; color: rgba(255,255,255,0.75); }

@media (max-width: 767px) { .benefits-grid { grid-template-columns: 1fr; } }

/* ===========================
   SECTION 14: FAQ
   =========================== */
.faq { padding: 80px 0; background: var(--bg-light); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(26,79,163,0.08);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  gap: 12px;
  min-height: 60px;
  transition: background 0.2s;
}
.faq-question:hover { background: var(--bg-section); }
.faq-arrow { flex-shrink: 0; transition: transform 0.3s ease; font-size: 13px; color: var(--primary); }
.faq-item.active .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
  border-top: 0px solid transparent;
}
.faq-item.active .faq-answer {
  max-height: 400px;
  padding: 0 24px 20px;
  border-top: 1px solid rgba(26,79,163,0.1);
  padding-top: 16px;
}
.faq-answer p { font-size: 15px; color: var(--text-light); line-height: 1.7; }

@media (max-width: 575px) { .faq-question { font-size: 14px; padding: 16px 18px; } }

/* ===========================
   SECTION 15: FINAL CTA
   =========================== */
.final-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 50%, var(--primary) 100%);
  position: relative;
  overflow: hidden;
}
.final-cta-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(245,158,11,0.08) 0%, transparent 70%);
  animation: bgPulse 4s ease-in-out infinite;
}
@keyframes bgPulse { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.final-img {
  max-width: 340px;
  width: 100%;
  margin: 0 auto;
  animation: floatBottle 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(0,0,0,0.3));
}
.final-content { color: var(--white); }
.final-tag {
  display: inline-block;
  background: rgba(239,68,68,0.2);
  border: 1px solid rgba(239,68,68,0.5);
  color: #f87171;
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  margin-bottom: 16px;
  animation: blink 1.5s ease-in-out infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
.final-content h2 { color: var(--white); font-size: clamp(28px, 5vw, 44px); margin-bottom: 8px; }
.final-content h3 { color: var(--accent); font-size: clamp(20px, 3vw, 28px); margin-bottom: 18px; }
.final-content p { color: rgba(255,255,255,0.85); margin-bottom: 24px; font-size: 16px; }
.final-price-wrap { margin-bottom: 28px; display: flex; flex-direction: column; gap: 6px; }
.final-regular { font-size: 16px; color: rgba(255,255,255,0.6); }
.final-regular s { color: #f87171; }
.final-special { font-size: 28px; font-family: 'Montserrat', sans-serif; font-weight: 900; color: var(--accent); }
.btn-final {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--white);
  padding: 20px 48px;
  border-radius: 100px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  box-shadow: 0 8px 36px rgba(245,158,11,0.5);
  min-height: 62px;
  animation: finalBtnPulse 2s ease-in-out infinite;
  width: 100%;
  justify-content: center;
  text-align: center;
}
.btn-final:hover { transform: scale(1.04); box-shadow: 0 14px 48px rgba(245,158,11,0.65); animation: none; }
.btn-final:active { transform: scale(0.98); }
@keyframes finalBtnPulse {
  0%, 100% { box-shadow: 0 8px 36px rgba(245,158,11,0.5); }
  50% { box-shadow: 0 12px 48px rgba(245,158,11,0.75), 0 0 0 10px rgba(245,158,11,0.1); }
}
.final-guarantee-mini { font-size: 13px; color: rgba(255,255,255,0.65); margin-top: 18px; text-align: center; }

@media (max-width: 767px) {
  .final-cta-inner { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .final-img { order: 1; max-width: 220px; }
  .final-content { order: 2; }
  .btn-final { font-size: 17px; padding: 18px 32px; }
}

/* ===========================
   FOOTER
   =========================== */
.footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 50px 0 30px;
}
.footer-top {
  text-align: center;
  margin-bottom: 24px;
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--white);
  margin-bottom: 10px;
}
.footer-brand img { width: 40px; height: 40px; border-radius: 8px; }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,0.55); }
.footer-links-row { text-align: center; margin: 20px 0; }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 4px; justify-content: center; align-items: center; }
.legal-link { color: rgba(255,255,255,0.6); font-size: 14px; padding: 4px 8px; transition: color 0.2s; min-height: 44px; display: inline-flex; align-items: center; }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.3); }
.footer-social {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin: 20px 0;
}
.social-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.social-icon:hover { background: var(--primary); border-color: var(--primary); color: var(--white); transform: translateY(-3px); }
.footer-disclaimer {
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  line-height: 1.7;
  text-align: center;
}
.footer-copy { text-align: center; font-size: 13px; color: rgba(255,255,255,0.45); border-top: 1px solid rgba(255,255,255,0.07); padding-top: 20px; }
.footer-copy a { color: var(--primary-light); }
.footer-copy a:hover { color: var(--accent); }

/* ===========================
   SCROLL TO TOP
   =========================== */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border: none;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(26,79,163,0.4);
  opacity: 0;
  transform: translateY(20px) scale(0.8);
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
  z-index: 500;
}
.scroll-top.visible { opacity: 1; transform: translateY(0) scale(1); pointer-events: all; }
.scroll-top:hover { transform: translateY(-4px) scale(1.08); box-shadow: 0 8px 28px rgba(26,79,163,0.5); }

/* ===========================
   NOTIFICATION POPUP
   =========================== */
.notif-popup {
  position: fixed;
  bottom: 90px;
  left: 20px;
  z-index: 900;
  background: var(--white);
  border-radius: 14px;
  padding: 14px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  border-left: 4px solid var(--green);
  max-width: 300px;
  opacity: 0;
  transform: translateX(-120%);
  transition: all 0.5s cubic-bezier(0.4,0,0.2,1);
}
.notif-popup.show { opacity: 1; transform: translateX(0); }
.notif-inner { display: flex; align-items: center; gap: 12px; }
.notif-inner img { width: 40px; height: 40px; border-radius: 8px; object-fit: contain; flex-shrink: 0; }
.notif-inner div { display: flex; flex-direction: column; gap: 2px; font-size: 13px; }
.notif-inner strong { color: var(--text); font-family: 'Montserrat', sans-serif; }
.notif-inner span { color: var(--text-light); }
.notif-close {
  margin-left: auto;
  background: linear-gradient(135deg, var(--green), #059669);
  color: var(--white);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  font-family: 'Montserrat', sans-serif;
  white-space: nowrap;
  min-height: 44px;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.notif-close:hover { opacity: 0.9; }

/* ===========================
   EXIT POPUP
   =========================== */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 2000;
  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: all; }
.popup-box {
  background: var(--white);
  border-radius: 24px;
  padding: 36px 32px;
  max-width: 480px;
  width: 100%;
  position: relative;
  transform: scale(0.85);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  box-shadow: 0 20px 80px rgba(0,0,0,0.3);
}
.popup-overlay.show .popup-box { transform: scale(1); }
.popup-close-x {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-light);
  border: none;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: var(--transition);
}
.popup-close-x:hover { background: #fee2e2; color: #ef4444; }
.popup-content { text-align: center; }
.popup-tag { display: inline-block; background: rgba(239,68,68,0.1); color: #ef4444; padding: 5px 14px; border-radius: 100px; font-size: 12px; font-weight: 700; font-family: 'Montserrat', sans-serif; margin-bottom: 14px; border: 1px solid rgba(239,68,68,0.2); }
.popup-img { max-height: 140px; width: auto; margin: 0 auto 16px; }
.popup-content h3 { font-size: 22px; margin-bottom: 12px; color: var(--text); }
.popup-content p { font-size: 15px; color: var(--text-light); margin-bottom: 22px; }
.btn-popup {
  display: block;
  background: linear-gradient(135deg, var(--green), #059669);
  color: var(--white);
  padding: 16px 28px;
  border-radius: 100px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 17px;
  margin-bottom: 12px;
  transition: var(--transition);
  min-height: 52px;
}
.btn-popup:hover { transform: scale(1.03); opacity: 0.95; }
.popup-dismiss { display: block; font-size: 13px; color: var(--text-light); text-decoration: underline; }
.popup-dismiss:hover { color: var(--text); }

/* ===========================
   MOBILE RESPONSIVE HELPERS
   =========================== */
@media (max-width: 575px) {
  .container { padding: 0 16px; }
  .section-header { margin-bottom: 32px; }
  .why-choose, .what-is, .reviews, .bonus, .science, .guarantee, .faq, .benefits { padding: 56px 0; }
  .pricing, .how-it-works, .ingredients, .final-cta { padding: 56px 0; }
  .notif-popup { max-width: calc(100vw - 40px); bottom: 80px; }
}

@media (max-width: 360px) {
  h1 { font-size: 22px; }
  h2 { font-size: 20px; }
  .btn-hero { font-size: 15px; padding: 14px 20px; }
  .btn-final { font-size: 16px; padding: 16px 20px; }
}