/* ============================================================
   VISIOVITA - styles.css
   Design: Medical Professional + Bold Gradient Hybrid
   Fonts: Montserrat (headings) + Open Sans (body)
   ============================================================ */

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #1E40AF;
  --primary-dark: #1e3a8a;
  --accent: #3B82F6;
  --accent2: #06B6D4;
  --gold: #F59E0B;
  --green: #10B981;
  --red: #EF4444;
  --white: #ffffff;
  --light: #F0F7FF;
  --gray: #64748B;
  --dark: #0F172A;
  --card-bg: #ffffff;
  --gradient: linear-gradient(135deg, #1E40AF 0%, #3B82F6 50%, #06B6D4 100%);
  --gradient-gold: linear-gradient(135deg, #F59E0B, #EF4444);
  --shadow: 0 4px 24px rgba(30,64,175,0.13);
  --shadow-lg: 0 12px 48px rgba(30,64,175,0.20);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 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(--dark);
  background: #fff;
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
input, select, textarea { font-size: 16px; }

/* ---- TYPOGRAPHY ---- */
h1,h2,h3,h4,h5 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
}
h1 { font-size: clamp(26px, 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); }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  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;
  white-space: nowrap;
}
.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); }
.btn-hero { font-size: 18px; padding: 18px 40px; }
.btn-cart { width: 100%; margin-top: 12px; font-size: 15px; padding: 14px 20px; }
.btn-popular { background: linear-gradient(135deg, #F59E0B, #EF4444); box-shadow: 0 4px 20px rgba(239,68,68,0.35); }
.btn-final { font-size: 20px; padding: 20px 48px; animation: pulse 2s infinite; }
.btn-final:hover { animation: none; transform: scale(1.05); }

@keyframes pulse {
  0%,100% { box-shadow: 0 4px 20px rgba(30,64,175,0.35); }
  50% { box-shadow: 0 8px 40px rgba(59,130,246,0.6); }
}

/* ---- SECTION LABELS ---- */
.section-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-sub {
  font-size: 17px;
  color: var(--gray);
  margin-top: 10px;
  margin-bottom: 40px;
  max-width: 600px;
}

/* ============================================================
   SECTION 1: NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(30,64,175,0.08);
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 4px 30px rgba(30,64,175,0.15);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}
.nav-logo img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.nav-logo strong { color: var(--accent2); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--dark);
  transition: color var(--transition);
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform var(--transition);
  border-radius: 2px;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-cta {
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 22px;
  border-radius: 50px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 3px 14px rgba(30,64,175,0.3);
  min-height: 42px;
  display: flex;
  align-items: center;
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 6px 24px rgba(30,64,175,0.4); }
.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(--primary);
  border-radius: 3px;
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px 20px;
    gap: 16px;
    transform: translateY(-110%);
    transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
    box-shadow: 0 8px 30px rgba(30,64,175,0.15);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { font-size: 16px; padding: 8px 0; width: 100%; text-align: center; }
  .nav-cta { width: 100%; justify-content: center; font-size: 16px; padding: 14px 20px; }
}

/* ============================================================
   SECTION 2: HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  padding-top: 68px;
  background: linear-gradient(160deg, #EFF6FF 0%, #DBEAFE 40%, #E0F2FE 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float1 8s ease-in-out infinite;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(6,182,212,0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float2 10s ease-in-out infinite;
}
@keyframes float1 {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}
@keyframes float2 {
  0%,100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(20px) scale(0.95); }
}
.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-badge {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 8px 18px;
  border-radius: 50px;
  white-space: nowrap;
  z-index: 3;
  animation: badgePop 0.8s 0.5s both;
}
@keyframes badgePop {
  from { transform: translateX(-50%) scale(0.5); opacity: 0; }
  to { transform: translateX(-50%) scale(1); opacity: 1; }
}
.hero-img-glow {
  position: relative;
  z-index: 2;
  animation: bottleFloat 4s ease-in-out infinite;
}
@keyframes bottleFloat {
  0%,100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}
.hero-img-glow::before {
  content: '';
  position: absolute;
  inset: -20px;
  background: radial-gradient(circle at center, rgba(59,130,246,0.2) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 1;
}
@keyframes glowPulse {
  0%,100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.1); }
}
.hero-bottle {
  width: 100%;
  max-width: 340px;
  position: relative;
  z-index: 2;
  drop-shadow: 0 20px 60px rgba(30,64,175,0.3);
  filter: drop-shadow(0 20px 40px rgba(30,64,175,0.25));
}
.hero-float {
  position: absolute;
  background: #fff;
  border-radius: 50px;
  padding: 10px 16px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  color: var(--primary);
  box-shadow: var(--shadow);
  z-index: 4;
  animation: floatBadge 3s ease-in-out infinite;
}
.hero-float-1 { top: 20%; left: -10px; animation-delay: 0s; }
.hero-float-2 { top: 50%; right: -10px; animation-delay: 1s; }
.hero-float-3 { bottom: 15%; left: 0; animation-delay: 2s; }
@keyframes floatBadge {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}
.hero-eyebrow {
  display: inline-block;
  background: linear-gradient(135deg, rgba(30,64,175,0.1), rgba(6,182,212,0.1));
  border: 1px solid rgba(59,130,246,0.3);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
  animation: fadeInUp 0.7s both;
}
.hero-h1 {
  margin-bottom: 20px;
  animation: fadeInUp 0.7s 0.15s both;
  color: var(--dark);
}
.hero-desc {
  font-size: 16px;
  color: #334155;
  margin-bottom: 14px;
  line-height: 1.75;
  animation: fadeInUp 0.7s 0.25s both;
}
.hero-stars {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  animation: fadeInUp 0.7s 0.35s both;
}
.stars { font-size: 22px; color: #F59E0B; }
.hero-rating-txt { font-size: 14px; color: var(--gray); font-weight: 600; }
.btn-hero { animation: fadeInUp 0.7s 0.45s both; }
.hero-guarantee {
  font-size: 13px;
  color: var(--gray);
  margin-top: 14px;
  animation: fadeInUp 0.7s 0.55s both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 767px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 30px;
    padding: 40px 20px 50px;
    text-align: center;
  }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; }
  .hero-bottle { max-width: 240px; margin: 0 auto; }
  .hero-float-1 { left: 0; font-size: 11px; }
  .hero-float-2 { right: 0; font-size: 11px; }
  .hero-float-3 { left: 50%; transform: translateX(-50%); font-size: 11px; }
  .hero-stars { justify-content: center; }
  .btn-hero { width: 100%; }
}

/* ============================================================
   SECTION 3: WHY CHOOSE US
   ============================================================ */
.why-us {
  padding: 90px 0;
  background: #fff;
  text-align: center;
}
.why-us h2 { margin-bottom: 8px; }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}
.why-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 32px 22px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1.5px solid rgba(59,130,246,0.1);
  opacity: 0;
  transform: translateY(40px);
}
.why-card.visible {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease, box-shadow var(--transition);
}
.why-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-lg); }
.why-icon-wrap {
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  border-radius: 50%;
  overflow: hidden;
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(30,64,175,0.12);
}
.why-icon-wrap img { width: 60px; height: 60px; object-fit: contain; }
.why-badge {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  color: var(--primary);
  letter-spacing: 1px;
  margin-bottom: 10px;
}
.why-card p { font-size: 14px; color: var(--gray); line-height: 1.6; }

@media (max-width: 991px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .why-grid { grid-template-columns: 1fr; }
  .why-us { padding: 60px 0; }
}

/* ============================================================
   SECTION 4: WHAT IS
   ============================================================ */
.what-is {
  padding: 90px 0;
  background: linear-gradient(180deg, #F0F7FF 0%, #fff 100%);
}
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.img-frame {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.img-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius);
  border: 2px solid rgba(59,130,246,0.2);
  pointer-events: none;
}
.what-is-img img { width: 100%; border-radius: var(--radius); }
.what-is-content h2 { margin-bottom: 20px; }
.what-is-content p { margin-bottom: 16px; color: #334155; font-size: 16px; }
.what-is-content .btn-primary { margin-top: 10px; }

[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 767px) {
  .what-is-grid { grid-template-columns: 1fr; gap: 30px; }
  .what-is-content { text-align: center; }
  .what-is-content .btn-primary { width: 100%; }
  .what-is { padding: 60px 0; }
}

/* ============================================================
   SECTION 5: HOW IT WORKS
   ============================================================ */
.how-works {
  padding: 90px 0;
  background: #fff;
  text-align: center;
}
.how-works h2 { margin-bottom: 8px; }
.accordion-list { margin-top: 40px; max-width: 800px; margin-left: auto; margin-right: auto; }
.acc-item {
  background: var(--light);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  border: 1.5px solid rgba(59,130,246,0.12);
  overflow: hidden;
}
.acc-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 22px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--dark);
  text-align: left;
  min-height: 48px;
  transition: background var(--transition);
}
.acc-header:hover { background: rgba(59,130,246,0.05); }
.acc-icon { font-size: 20px; flex-shrink: 0; }
.acc-header span:nth-child(2) { flex: 1; }
.acc-arrow {
  font-size: 12px;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.acc-item.active .acc-arrow { transform: rotate(180deg); }
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 22px;
}
.acc-item.active .acc-body {
  max-height: 400px;
  padding: 0 22px 18px;
}
.acc-body p { font-size: 15px; color: #334155; text-align: left; line-height: 1.75; }

@media (max-width: 767px) {
  .how-works { padding: 60px 0; }
  .acc-header { font-size: 14px; padding: 16px 16px; }
}

/* ============================================================
   SECTION 6: REVIEWS
   ============================================================ */
.reviews {
  padding: 90px 0;
  background: linear-gradient(180deg, #EFF6FF 0%, #fff 100%);
  text-align: center;
}
.reviews h2 { margin-bottom: 8px; }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 50px;
}
.review-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
  box-shadow: var(--shadow);
  border: 1.5px solid rgba(59,130,246,0.1);
  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: 16px;
}
.review-top img {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}
.review-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 15px; }
.review-location { font-size: 12px; color: var(--gray); margin-top: 2px; }
.review-stars { color: #F59E0B; font-size: 16px; margin-top: 4px; }
.review-text { font-size: 14px; color: #334155; line-height: 1.7; }
.review-verified { font-size: 12px; color: var(--green); font-weight: 600; margin-top: 12px; }
.reviews-total { margin-top: 40px; }
.reviews-total img { max-width: 220px; margin: 0 auto 10px; }
.reviews-total p { font-size: 14px; color: var(--gray); }

@media (max-width: 991px) {
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .reviews-grid { grid-template-columns: 1fr; }
  .reviews { padding: 60px 0; }
}

/* ============================================================
   SECTION 7 & 13: PRICING
   ============================================================ */
.pricing {
  padding: 90px 0;
  background: #fff;
  text-align: center;
}
.pricing-2 { background: linear-gradient(180deg, #EFF6FF 0%, #fff 100%); }
.pricing h2 { margin-bottom: 8px; }
.countdown-wrap {
  margin: 30px auto;
  max-width: 420px;
  background: linear-gradient(135deg, #FEF2F2, #FEF9C3);
  border: 2px solid #FCA5A5;
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: #DC2626;
  margin-bottom: 12px;
}
.countdown-timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.time-block {
  background: #DC2626;
  color: #fff;
  border-radius: 10px;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 72px;
}
.time-block span {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px;
  font-weight: 800;
  line-height: 1;
}
.time-block small { font-size: 11px; letter-spacing: 1px; margin-top: 4px; opacity: 0.9; }
.time-sep { font-size: 30px; font-weight: 800; color: #DC2626; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  align-items: start;
}
.price-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 22px;
  border: 2px solid rgba(59,130,246,0.15);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border-color: var(--gold);
  background: linear-gradient(180deg, #FFFBEB 0%, #fff 100%);
  transform: scale(1.04);
  box-shadow: 0 12px 48px rgba(245,158,11,0.25);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-6px); }
.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: #fff;
  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: 800;
  font-size: 14px;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 6px;
}
.price-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--dark);
}
.price-supply { font-size: 13px; color: var(--gray); margin-bottom: 16px; }
.price-card img:not(.payment-logos) {
  max-width: 160px;
  margin: 0 auto 16px;
}
.price-per {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 32px;
  color: var(--primary);
}
.price-per small { font-size: 16px; font-weight: 600; color: var(--gray); }
.price-total { font-size: 15px; color: var(--gray); margin-bottom: 10px; }
.price-total s { color: #94A3B8; }
.price-bonuses {
  font-size: 12px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 6px;
  font-family: 'Montserrat', sans-serif;
}
.payment-logos { max-width: 160px; margin: 10px auto 0; opacity: 0.8; }
.pricing-stars { margin-top: 40px; }
.pricing-stars img { max-width: 220px; margin: 0 auto; }

@media (max-width: 767px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 360px; margin-left: auto; margin-right: auto; }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-4px); }
  .pricing { padding: 60px 0; }
}
@media (min-width: 576px) and (max-width: 767px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); max-width: 100%; }
}

/* ============================================================
   SECTION 8: BONUS
   ============================================================ */
.bonus {
  padding: 90px 0;
  background: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 100%);
  text-align: center;
}
.bonus h2 { margin-bottom: 8px; }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-top: 50px;
}
.bonus-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 28px;
  box-shadow: var(--shadow);
  border: 1.5px solid rgba(59,130,246,0.12);
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-num {
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 16px;
}
.bonus-card img { max-width: 220px; margin: 0 auto 20px; border-radius: var(--radius-sm); }
.bonus-card h3 { margin-bottom: 10px; }
.bonus-card p { font-size: 14px; color: var(--gray); }
.bonus-value { font-size: 15px; font-weight: 600; margin-top: 14px; color: var(--dark); }
.free-badge {
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 14px;
  padding: 4px 12px;
  border-radius: 50px;
  display: inline-block;
}
.bonus-cta-wrap { margin-top: 40px; }

@media (max-width: 767px) {
  .bonus-grid { grid-template-columns: 1fr; }
  .bonus { padding: 60px 0; }
}

/* ============================================================
   SECTION 9: INGREDIENTS
   ============================================================ */
.ingredients {
  padding: 90px 0;
  background: #fff;
  text-align: center;
}
.ingredients h2 { margin-bottom: 8px; }
.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 50px;
}
.ing-card {
  background: var(--light);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  border: 1.5px solid rgba(59,130,246,0.1);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ing-icon { font-size: 36px; margin-bottom: 12px; }
.ing-card h3 { font-size: 16px; margin-bottom: 10px; color: var(--primary); }
.ing-card p { font-size: 14px; color: var(--gray); line-height: 1.65; }

@media (max-width: 991px) {
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 575px) {
  .ing-grid { grid-template-columns: 1fr; }
  .ingredients { padding: 60px 0; }
}

/* ============================================================
   SECTION 10: SCIENCE
   ============================================================ */
.science {
  padding: 90px 0;
  background: linear-gradient(180deg, #EFF6FF 0%, #fff 100%);
  text-align: center;
}
.science h2 { margin-bottom: 8px; }
.sci-accordion { margin-top: 40px; max-width: 860px; margin-left: auto; margin-right: auto; }

@media (max-width: 767px) {
  .science { padding: 60px 0; }
}

/* ============================================================
   SECTION 11: GUARANTEE
   ============================================================ */
.guarantee {
  padding: 90px 0;
  background: #fff;
}
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}
.guarantee-img img {
  max-width: 360px;
  margin: 0 auto;
  filter: drop-shadow(0 16px 40px rgba(30,64,175,0.18));
}
.guarantee-content h2 { margin-bottom: 16px; }
.guarantee-content > p { color: #334155; margin-bottom: 24px; }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.guar-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--light);
  border-radius: var(--radius-sm);
  padding: 18px;
  border-left: 4px solid var(--accent);
}
.guar-icon { font-size: 28px; flex-shrink: 0; }
.guar-point h4 { margin-bottom: 6px; color: var(--primary); }
.guar-point p { font-size: 14px; color: var(--gray); }

@media (max-width: 767px) {
  .guarantee-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .guarantee-img img { max-width: 260px; }
  .guar-point { text-align: left; }
  .guarantee-content .btn-primary { width: 100%; }
  .guarantee { padding: 60px 0; }
}

/* ============================================================
   SECTION 12: BENEFITS
   ============================================================ */
.benefits {
  padding: 90px 0;
  background: linear-gradient(135deg, #EFF6FF 0%, #F0FDF4 100%);
  text-align: center;
}
.benefits h2 { margin-bottom: 8px; }
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 50px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  text-align: left;
  border: 1.5px solid rgba(59,130,246,0.1);
  transition: transform var(--transition);
}
.benefit-item:hover { transform: translateY(-3px); }
.benefit-icon { font-size: 30px; flex-shrink: 0; }
.benefit-item h4 { margin-bottom: 6px; color: var(--primary); font-size: 15px; }
.benefit-item p { font-size: 14px; color: var(--gray); }

@media (max-width: 575px) {
  .benefits-grid { grid-template-columns: 1fr; }
  .benefits { padding: 60px 0; }
}

/* ============================================================
   SECTION 14: FAQ
   ============================================================ */
.faq {
  padding: 90px 0;
  background: #fff;
  text-align: center;
}
.faq h2 { margin-bottom: 40px; }
.faq-list { max-width: 800px; margin: 0 auto; }

@media (max-width: 767px) {
  .faq { padding: 60px 0; }
}

/* ============================================================
   SECTION 15: FINAL CTA
   ============================================================ */
.final-cta {
  padding: 100px 0;
  background: linear-gradient(160deg, #0F172A 0%, #1E3A8A 50%, #1E40AF 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.final-cta-img {
  position: relative;
  display: flex;
  justify-content: center;
}
.final-glow {
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(59,130,246,0.4) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  animation: finalGlow 3s ease-in-out infinite;
  z-index: 1;
}
@keyframes finalGlow {
  0%,100% { opacity: 0.5; transform: translate(-50%,-50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%,-50%) scale(1.15); }
}
.final-cta-img img {
  max-width: 380px;
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 50px rgba(59,130,246,0.4));
  animation: finalBottleFloat 4s ease-in-out infinite;
}
@keyframes finalBottleFloat {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-16px); }
}
.final-cta-content { text-align: left; }
.final-cta-content .section-label { color: var(--accent2); }
.final-cta-content h2 { color: #fff; margin-bottom: 18px; }
.final-cta-content p { color: #CBD5E1; font-size: 16px; margin-bottom: 24px; }
.final-price {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 28px;
}
.final-old { font-size: 16px; color: #94A3B8; }
.final-new {
  font-family: 'Montserrat', sans-serif;
  font-size: 32px;
  font-weight: 800;
  color: #FCD34D;
}
.final-guarantee {
  display: flex;
  gap: 20px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.final-guarantee span {
  font-size: 13px;
  font-weight: 600;
  color: #A5F3FC;
}
.final-disclaimer { font-size: 12px; color: #94A3B8; margin-top: 14px; }
/* Particles */
.particles { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.particle {
  position: absolute;
  width: 4px; height: 4px;
  border-radius: 50%;
  background: rgba(59,130,246,0.5);
  animation: particleFloat linear infinite;
}
@keyframes particleFloat {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-10vh) scale(1.2); opacity: 0; }
}

@media (max-width: 767px) {
  .final-cta-inner { grid-template-columns: 1fr; gap: 30px; }
  .final-cta-img img { max-width: 240px; margin: 0 auto; }
  .final-cta-content { text-align: center; }
  .final-guarantee { justify-content: center; }
  .btn-final { width: 100%; }
  .final-cta { padding: 70px 0; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #0F172A;
  color: #CBD5E1;
  padding: 60px 0 30px;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand p { font-size: 14px; margin-top: 12px; color: #94A3B8; line-height: 1.65; max-width: 280px; }
.footer-logo { color: #fff; font-size: 20px; }
.footer-logo strong { color: var(--accent2); }
.footer-links-col h4, .footer-social-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links-col a {
  display: block;
  font-size: 14px;
  color: #94A3B8;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--accent); }
.social-icons { display: flex; gap: 12px; }
.social-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(59,130,246,0.15);
  display: flex; align-items: center; justify-content: center;
  color: #94A3B8;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.social-icon:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.footer-divider { border: none; border-top: 1px solid rgba(255,255,255,0.07); margin: 0 0 24px; }
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 20px;
}
.legal-link { font-size: 13px; color: #64748B; transition: color var(--transition); }
.legal-link:hover { color: var(--accent); }
.link-separator { color: #334155; }
.footer-disclaimer {
  max-width: 860px;
  margin: 0 auto 20px;
  text-align: center;
}
.footer-disclaimer p { font-size: 12px; color: #475569; line-height: 1.7; }
.footer-copy { text-align: center; }
.footer-copy p { font-size: 13px; color: #475569; }
.footer-copy a { color: var(--accent); transition: color var(--transition); }
.footer-copy a:hover { color: var(--accent2); }

@media (max-width: 991px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 575px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { grid-column: auto; }
  .footer-brand p { max-width: 100%; }
  .social-icons { justify-content: flex-start; }
}

/* ============================================================
   SCROLL TO TOP
   ============================================================ */
.scroll-top {
  position: fixed;
  bottom: 28px; right: 24px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--gradient);
  color: #fff;
  font-size: 20px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(30,64,175,0.4);
  display: flex; align-items: center; justify-content: center;
  transition: opacity var(--transition), transform var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 500;
}
.scroll-top.visible { opacity: 1; pointer-events: all; }
.scroll-top:hover { transform: scale(1.1) translateY(-3px); }

/* ============================================================
   PURCHASE NOTIFICATION POPUP
   ============================================================ */
.notif-popup {
  position: fixed;
  bottom: 24px; left: 20px;
  background: #fff;
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  border-left: 4px solid var(--green);
  z-index: 800;
  max-width: 300px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
.notif-popup.show { transform: translateX(0); }
.notif-img { font-size: 28px; }
.notif-text { flex: 1; font-size: 13px; }
.notif-text strong { display: block; font-family: 'Montserrat', sans-serif; font-size: 13px; }
.notif-close {
  background: none; border: none; cursor: pointer;
  font-size: 18px; color: var(--gray); padding: 4px; line-height: 1;
}

/* ============================================================
   EXIT INTENT POPUP
   ============================================================ */
.popup-overlay {
  position: fixed; inset: 0;
  background: rgba(15,23,42,0.7);
  backdrop-filter: blur(6px);
  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: #fff;
  border-radius: var(--radius);
  padding: 40px;
  max-width: 480px;
  width: 100%;
  position: relative;
  text-align: center;
  animation: popIn 0.4s cubic-bezier(0.34,1.56,0.64,1) both;
}
@keyframes popIn {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.popup-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none; border: none;
  font-size: 22px; cursor: pointer; color: var(--gray);
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
}
.popup-badge {
  background: #FEF2F2;
  color: #DC2626;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 16px;
}
.popup-box h3 { font-size: 22px; margin-bottom: 14px; }
.popup-box p { font-size: 15px; color: #334155; margin-bottom: 16px; }
.popup-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 20px;
}
.popup-price s { font-size: 18px; color: #94A3B8; margin-right: 8px; }
.popup-cta { width: 100%; font-size: 16px; }
.popup-sub { font-size: 12px; color: var(--gray); margin-top: 12px; }

@media (max-width: 575px) {
  .popup-box { padding: 28px 20px; }
  .notif-popup { max-width: calc(100vw - 40px); }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ============================================================
   GENERAL SECTION SPACING
   ============================================================ */
section { padding-top: 80px; padding-bottom: 80px; }
@media (max-width: 767px) {
  section { padding-top: 55px; padding-bottom: 55px; }
  .section-sub { margin-bottom: 28px; }
}