/* =============================================
   VIRIFLOW — styles.css
   Theme: Medical Professional Blue
   Fonts: Montserrat (headings) + Open Sans (body)
   Mobile-First Responsive Design
   ============================================= */

/* ── CSS Variables ── */
:root {
  --primary: #1a6fb5;
  --primary-dark: #0f4c82;
  --primary-light: #3b8fd6;
  --accent: #00c9a7;
  --accent2: #f59e0b;
  --danger: #ef4444;
  --white: #ffffff;
  --off-white: #f4f8ff;
  --text: #1a2436;
  --text-light: #4b5563;
  --border: #d1e3f8;
  --shadow: 0 4px 24px rgba(26,111,181,0.13);
  --shadow-lg: 0 12px 48px rgba(26,111,181,0.2);
  --radius: 16px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
  --gradient: linear-gradient(135deg, #1a6fb5 0%, #0f4c82 50%, #00c9a7 100%);
  --gradient2: linear-gradient(135deg, #00c9a7 0%, #1a6fb5 100%);
}

/* ── 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 { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-size: 16px; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  line-height: 1.2;
  color: var(--text);
}
h1 { font-size: clamp(26px, 6vw, 52px); }
h2 { font-size: clamp(22px, 4.5vw, 40px); }
h3 { font-size: clamp(18px, 3vw, 24px); }
h4 { font-size: clamp(16px, 2.5vw, 20px); }
p { font-size: 16px; line-height: 1.75; color: var(--text-light); }
strong { color: var(--text); font-weight: 700; }

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

/* ── Section Titles ── */
.section-title {
  text-align: center;
  margin-bottom: 12px;
  color: var(--text);
}
.section-title.left-align { text-align: left; }
.section-sub {
  text-align: center;
  color: var(--text-light);
  font-size: 17px;
  margin-bottom: 48px;
}
.accent { color: var(--primary); }
.highlight {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Buttons ── */
.btn-primary, .btn-hero, .btn-order, .btn-final, .btn-ep {
  display: inline-block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  border-radius: 50px;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  text-align: center;
  min-height: 52px;
  line-height: 1.2;
  text-decoration: none;
}
.btn-primary {
  background: var(--gradient);
  color: var(--white);
  padding: 16px 36px;
  font-size: 17px;
  box-shadow: 0 6px 24px rgba(26,111,181,0.35);
}
.btn-hero {
  background: var(--gradient2);
  color: var(--white);
  padding: 18px 40px;
  font-size: 19px;
  box-shadow: 0 8px 32px rgba(0,201,167,0.4);
  display: block;
  width: 100%;
  max-width: 420px;
}
.btn-order {
  display: block;
  background: var(--gradient);
  color: var(--white);
  padding: 15px 24px;
  font-size: 16px;
  width: 100%;
  border-radius: 50px;
  box-shadow: 0 4px 16px rgba(26,111,181,0.3);
  margin: 16px 0 12px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
}
.btn-order.popular-btn {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
}
.btn-final {
  background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
  color: var(--white);
  padding: 20px 48px;
  font-size: 20px;
  box-shadow: 0 10px 40px rgba(245,158,11,0.4);
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 0 auto 20px;
}
.btn-ep {
  background: var(--gradient2);
  color: var(--white);
  padding: 15px 36px;
  font-size: 17px;
  box-shadow: 0 6px 24px rgba(0,201,167,0.35);
  display: block;
  width: 100%;
  margin-bottom: 12px;
}
.btn-primary:hover, .btn-hero:hover, .btn-order:hover, .btn-final:hover, .btn-ep:hover {
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}
@media (hover: none) {
  .btn-primary:active, .btn-hero:active, .btn-order:active, .btn-final:active {
    transform: scale(0.98);
  }
}

/* ========================
   NAVIGATION
   ======================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(26,111,181,0.08);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 32px rgba(26,111,181,0.15); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--primary-dark);
}
.logo-icon { font-size: 26px; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  transition: color var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--primary); }
.nav-cta {
  background: var(--gradient);
  color: var(--white) !important;
  padding: 10px 24px;
  border-radius: 50px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  transition: transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.nav-cta:hover { transform: scale(1.04); box-shadow: var(--shadow); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--primary-dark);
  border-radius: 2px;
  transition: all 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: 0;
    right: -100%;
    width: min(320px, 88vw);
    height: 100vh;
    background: var(--white);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 32px 40px;
    gap: 24px;
    box-shadow: -8px 0 32px rgba(0,0,0,0.12);
    transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: 999;
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 18px; }
  .nav-cta { width: 100%; justify-content: center; font-size: 17px; padding: 14px 24px; }
  .nav-container { padding: 12px 16px; }
  .nav-logo { font-size: 20px; }
}

/* ========================
   HERO SECTION
   ======================== */
.hero {
  min-height: 100vh;
  background: linear-gradient(155deg, #f0f7ff 0%, #e0f0ff 40%, #d0f5ef 100%);
  display: flex;
  align-items: center;
  padding: 100px 20px 60px;
  position: relative;
  overflow: hidden;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
.shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.12;
  animation: floatBg 8s ease-in-out infinite alternate;
}
.shape-1 { width: 500px; height: 500px; background: var(--primary); top: -150px; right: -150px; animation-delay: 0s; }
.shape-2 { width: 300px; height: 300px; background: var(--accent); bottom: -80px; left: -80px; animation-delay: 2s; }
.shape-3 { width: 200px; height: 200px; background: var(--accent2); top: 50%; left: 30%; animation-delay: 4s; }
@keyframes floatBg {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(20px,30px) scale(1.1); }
}
.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
  position: relative;
  z-index: 1;
}
.hero-image-col {
  width: 100%;
  max-width: 380px;
  order: 1;
}
.hero-img-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow {
  position: absolute;
  width: 90%;
  height: 90%;
  background: radial-gradient(circle, rgba(26,111,181,0.25) 0%, transparent 70%);
  border-radius: 50%;
  animation: pulseGlow 3s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-product-img {
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 48px rgba(26,111,181,0.3));
  animation: floatProduct 4s ease-in-out infinite;
  position: relative;
  z-index: 2;
}
@keyframes floatProduct {
  0%, 100% { transform: translateY(0px) rotate(-1deg); }
  50% { transform: translateY(-18px) rotate(1deg); }
}
.hero-badge {
  position: absolute;
  background: var(--white);
  border-radius: 50px;
  padding: 8px 16px;
  font-size: 13px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  box-shadow: 0 4px 20px rgba(0,0,0,0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  z-index: 3;
  animation: badgePop 0.6s ease both;
}
.badge-float { bottom: 10px; left: -10px; color: var(--primary); }
.badge-float2 { top: 20px; right: -10px; color: var(--accent); }
@keyframes badgePop {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.hero-content-col {
  width: 100%;
  order: 2;
  text-align: center;
}
.hero-tag {
  display: inline-block;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.hero-headline {
  color: var(--text);
  margin-bottom: 20px;
  animation: slideUp 0.8s ease both;
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-desc {
  font-size: 17px;
  color: var(--text-light);
  margin-bottom: 14px;
  animation: slideUp 0.9s ease both;
}
.hero-checks {
  margin: 20px 0 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  animation: slideUp 1s ease both;
}
.hero-checks li {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 15px;
  color: var(--primary-dark);
  background: rgba(26,111,181,0.08);
  padding: 8px 18px;
  border-radius: 50px;
  display: inline-block;
}
.btn-hero {
  margin: 0 auto 14px;
  animation: slideUp 1.1s ease both;
}
.hero-sub {
  font-size: 14px;
  color: var(--text-light);
  animation: slideUp 1.2s ease both;
}

@media (min-width: 768px) {
  .hero { padding: 120px 40px 80px; }
  .hero-container {
    flex-direction: row;
    align-items: center;
    gap: 64px;
  }
  .hero-image-col { width: 45%; max-width: none; order: 1; }
  .hero-content-col { width: 55%; order: 2; text-align: left; }
  .hero-checks { align-items: flex-start; }
  .btn-hero { margin: 0 0 14px; }
}

/* ========================
   WHY SECTION
   ======================== */
.why-section { padding: 80px 0; background: var(--white); }
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.why-card {
  background: var(--off-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform var(--transition), box-shadow var(--transition);
  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(1.04) rotate(1deg);
  box-shadow: var(--shadow-lg);
}
.why-icon-wrap {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--white);
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.why-icon { width: 60px; height: 60px; object-fit: contain; }
.why-card h3 { margin-bottom: 12px; font-size: 18px; color: var(--primary-dark); }
.why-card p { font-size: 15px; }

@media (min-width: 576px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .why-grid { grid-template-columns: repeat(4, 1fr); } }

/* ========================
   WHAT IS SECTION
   ======================== */
.what-section {
  padding: 80px 0;
  background: linear-gradient(160deg, #f0f7ff 0%, var(--white) 100%);
}
.what-grid {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}
.what-img-col { width: 100%; max-width: 440px; }
.what-img-wrapper { position: relative; }
.what-img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
}
.what-badge {
  position: absolute;
  bottom: -14px;
  right: 16px;
  background: var(--gradient2);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 50px;
  box-shadow: var(--shadow);
}
.what-content-col { width: 100%; }
.what-content-col .section-title { text-align: left; margin-bottom: 20px; }
.what-content-col p { margin-bottom: 16px; }
.what-content-col .btn-primary { margin-top: 24px; }

@media (min-width: 768px) {
  .what-grid { flex-direction: row; align-items: center; }
  .what-img-col { width: 45%; }
  .what-content-col { width: 55%; }
}

/* ========================
   HOW IT WORKS
   ======================== */
.how-section {
  padding: 80px 0;
  background: var(--primary-dark);
}
.how-section .section-title { color: var(--white); }
.how-section .section-sub { color: rgba(255,255,255,0.75); }
.accordion-list { display: flex; flex-direction: column; gap: 14px; max-width: 860px; margin: 0 auto; }
.accordion-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: background var(--transition);
}
.accordion-item.active { background: rgba(255,255,255,0.1); }
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
  text-align: left;
  min-height: 60px;
  cursor: pointer;
  transition: background var(--transition);
}
.accordion-header:hover { background: rgba(255,255,255,0.06); }
.acc-num {
  font-size: 28px;
  font-weight: 900;
  color: var(--accent);
  min-width: 40px;
}
.acc-title { flex: 1; }
.acc-arrow {
  color: var(--accent);
  font-size: 14px;
  transition: transform var(--transition);
  flex-shrink: 0;
}
.accordion-item.active .acc-arrow { transform: rotate(180deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1), padding var(--transition);
}
.accordion-body.open { max-height: 600px; }
.accordion-body p {
  padding: 0 24px 24px;
  color: rgba(255,255,255,0.8);
  font-size: 15px;
}
.accordion-item.active .accordion-body { max-height: 600px; }

/* ========================
   REVIEWS SECTION
   ======================== */
.reviews-section { padding: 80px 0; background: var(--off-white); }
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border-left: 5px solid var(--primary);
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.review-card.visible { opacity: 1; transform: translateY(0); }
.review-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary);
  flex-shrink: 0;
}
.review-info h4 { font-size: 17px; color: var(--text); margin-bottom: 2px; }
.review-info span { font-size: 13px; color: var(--text-light); }
.stars { font-size: 16px; margin-top: 4px; }
.review-card p { font-size: 15px; line-height: 1.7; }
.reviews-overall {
  text-align: center;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.stars-img { max-width: 200px; margin: 0 auto 8px; }
.reviews-overall p { font-size: 16px; color: var(--text); }

@media (min-width: 576px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .reviews-grid { grid-template-columns: repeat(3, 1fr); } }

/* ========================
   PRICING SECTION
   ======================== */
.pricing-section {
  padding: 80px 0;
  background: linear-gradient(160deg, #e8f4fd 0%, #f0fff9 100%);
}
.pricing-section2 { background: linear-gradient(160deg, #f0fff9 0%, #e8f4fd 100%); }
.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary-dark);
  margin-bottom: 14px;
}
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-dark);
  padding: 16px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.cd-block { text-align: center; }
.cd-block span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 40px;
  color: var(--white);
  line-height: 1;
  min-width: 60px;
}
.cd-block label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 2px;
}
.cd-sep { font-size: 40px; font-weight: 900; color: var(--accent); }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 40px;
}
.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 2px solid var(--border);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border-color: var(--accent2);
  transform: scale(1.03);
  box-shadow: 0 16px 64px rgba(245,158,11,0.2);
}
.price-card.popular:hover { transform: scale(1.03) translateY(-6px); }
.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, var(--accent2), #ef4444);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 6px;
}
.price-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--text);
  margin-bottom: 4px;
}
.price-supply { font-size: 14px; color: var(--text-light); margin-bottom: 20px; }
.price-img { max-width: 150px; margin: 0 auto 20px; }
.price-amount { margin-bottom: 4px; }
.old-price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--text-light);
  text-decoration: line-through;
  margin-right: 8px;
}
.new-price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 36px;
  color: var(--primary);
}
.price-per { font-size: 14px; color: var(--text-light); margin-bottom: 8px; }
.price-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-bottom: 4px;
}
.pbadge {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  background: rgba(26,111,181,0.1);
  color: var(--primary-dark);
  padding: 4px 12px;
  border-radius: 50px;
}
.pbadge.green { background: rgba(0,201,167,0.1); color: #00a388; }
.payment-logos { max-width: 160px; margin: 0 auto; opacity: 0.8; }
.pricing-stars { text-align: center; }
.pricing-stars img { max-width: 180px; margin: 0 auto; }

@media (min-width: 576px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .pricing-grid { grid-template-columns: repeat(3, 1fr); } }

/* ========================
   BONUS SECTION
   ======================== */
.bonus-section {
  padding: 80px 0;
  background: var(--primary-dark);
}
.bonus-section .section-title { color: var(--white); }
.bonus-section .section-sub { color: rgba(255,255,255,0.75); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 880px;
  margin: 0 auto;
}
.bonus-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  transition: transform var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); }
.bonus-badge {
  display: inline-block;
  background: var(--gradient2);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.bonus-img { max-width: 200px; margin: 0 auto 24px; border-radius: var(--radius-sm); }
.bonus-card h3 { color: var(--white); margin-bottom: 12px; font-size: 20px; }
.bonus-card p { color: rgba(255,255,255,0.8); font-size: 15px; }

@media (min-width: 768px) { .bonus-grid { grid-template-columns: repeat(2, 1fr); } }

/* ========================
   INGREDIENTS SECTION
   ======================== */
.ingredients-section { padding: 80px 0; background: var(--off-white); }
.ing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.ing-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  border-top: 4px solid var(--primary);
  transition: transform var(--transition), box-shadow var(--transition);
  opacity: 0;
  transform: translateY(20px);
}
.ing-card.visible { opacity: 1; transform: translateY(0); transition: opacity 0.5s ease, transform 0.5s ease, box-shadow var(--transition); }
.ing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.ing-icon { font-size: 32px; margin-bottom: 12px; }
.ing-card h3 { font-size: 17px; margin-bottom: 8px; color: var(--primary-dark); }
.ing-card p { font-size: 15px; }

@media (min-width: 576px) { .ing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .ing-grid { grid-template-columns: repeat(3, 1fr); } }

/* ========================
   SCIENCE SECTION
   ======================== */
.science-section { padding: 80px 0; background: var(--white); }
.science-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.sci-card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 28px;
  border-left: 5px solid var(--accent);
  opacity: 0;
  transform: translateX(-20px);
}
.sci-card.visible { opacity: 1; transform: translateX(0); transition: opacity 0.6s ease, transform 0.6s ease; }
.sci-card h3 { font-size: 17px; margin-bottom: 12px; color: var(--primary-dark); }
.sci-card p { font-size: 15px; }

@media (min-width: 768px) { .science-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .science-grid { grid-template-columns: repeat(3, 1fr); } }

/* ========================
   GUARANTEE SECTION
   ======================== */
.guarantee-section {
  padding: 80px 0;
  background: linear-gradient(160deg, #e8f4fd 0%, #f0fff9 100%);
}
.guarantee-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}
.guarantee-img-col { width: 100%; max-width: 320px; }
.guarantee-img { border-radius: 50%; box-shadow: var(--shadow-lg); width: 100%; }
.guarantee-content { width: 100%; }
.guarantee-content .section-title { margin-bottom: 16px; }
.guarantee-intro { margin-bottom: 28px; font-size: 16px; }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.g-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.g-icon { font-size: 28px; flex-shrink: 0; }
.g-point h4 { margin-bottom: 6px; color: var(--primary-dark); font-size: 16px; }
.g-point p { font-size: 14px; }

@media (min-width: 768px) {
  .guarantee-grid { flex-direction: row; align-items: center; }
  .guarantee-img-col { width: 30%; max-width: none; }
  .guarantee-content { width: 70%; }
}

/* ========================
   BENEFITS SECTION
   ======================== */
.benefits-section { padding: 80px 0; background: var(--off-white); }
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 22px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateX(-20px);
}
.benefit-item.visible { opacity: 1; transform: translateX(0); transition: opacity 0.6s ease, transform 0.6s ease; }
.benefit-check {
  width: 36px;
  height: 36px;
  min-width: 36px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
}
.benefit-item h4 { margin-bottom: 6px; font-size: 16px; color: var(--primary-dark); }
.benefit-item p { font-size: 14px; }

@media (min-width: 768px) { .benefits-grid { grid-template-columns: repeat(2, 1fr); } }

/* ========================
   FAQ SECTION
   ======================== */
.faq-section { padding: 80px 0; background: var(--white); }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--off-white);
}
.faq-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--text);
  text-align: left;
  min-height: 60px;
  cursor: pointer;
  transition: background var(--transition);
}
.faq-header:hover { background: rgba(26,111,181,0.05); }
.faq-arrow { font-size: 22px; color: var(--primary); transition: transform var(--transition); flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(45deg); }
.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
}
.faq-body.open { max-height: 400px; }
.faq-body p {
  padding: 0 24px 24px;
  font-size: 15px;
  color: var(--text-light);
}

/* ========================
   FINAL CTA SECTION
   ======================== */
.final-cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f4c82 0%, #1a6fb5 50%, #00c9a7 100%);
  position: relative;
  overflow: hidden;
}
.final-cta-bg { position: absolute; inset: 0; pointer-events: none; }
.fct-shape {
  position: absolute;
  border-radius: 50%;
  opacity: 0.1;
  background: var(--white);
}
.fct-s1 { width: 400px; height: 400px; top: -100px; right: -100px; animation: floatBg 10s ease-in-out infinite alternate; }
.fct-s2 { width: 250px; height: 250px; bottom: -60px; left: -60px; animation: floatBg 12s ease-in-out infinite alternate-reverse; }
.final-cta-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.final-cta-img {
  max-width: 280px;
  filter: drop-shadow(0 20px 48px rgba(0,0,0,0.3));
  animation: floatProduct 4s ease-in-out infinite;
}
.final-cta-text h2 { color: var(--white); font-size: clamp(24px, 5vw, 40px); margin-bottom: 16px; }
.fct-desc { color: rgba(255,255,255,0.85); font-size: 17px; margin-bottom: 24px; max-width: 600px; }
.fct-price { margin-bottom: 28px; }
.fct-old { display: block; color: rgba(255,255,255,0.7); font-size: 18px; margin-bottom: 4px; }
.fct-new { display: block; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 32px; color: var(--white); }
.fct-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.fct-trust span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.1);
  padding: 8px 18px;
  border-radius: 50px;
}

@media (min-width: 768px) {
  .final-cta-content { flex-direction: row; text-align: left; }
  .final-cta-img { max-width: 320px; }
  .fct-trust { justify-content: flex-start; }
  .btn-final { margin-left: 0; }
}

/* ========================
   FOOTER
   ======================== */
.footer {
  background: #0a1c35;
  padding: 60px 0 0;
  color: rgba(255,255,255,0.75);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col .nav-logo { margin-bottom: 16px; }
.footer-col .logo-text { color: var(--white); }
.footer-about { font-size: 14px; color: rgba(255,255,255,0.65); line-height: 1.7; margin-bottom: 20px; }
.social-links { display: flex; gap: 12px; }
.social-link {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--white);
  transition: background var(--transition), transform var(--transition);
}
.social-link:hover { background: var(--primary); transform: translateY(-3px); }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
  margin-bottom: 20px;
}
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 20px; }
.legal-link { font-size: 14px; color: rgba(255,255,255,0.65); transition: color var(--transition); }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.3); }
.footer-disclaimer { font-size: 12px; color: rgba(255,255,255,0.45); line-height: 1.7; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.55); transition: color var(--transition); }
.footer-bottom a:hover { color: var(--accent); }

@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 2fr; } }

/* ========================
   PURCHASE POPUP
   ======================== */
.purchase-popup {
  position: fixed;
  bottom: 80px;
  left: 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2000;
  max-width: 320px;
  border-left: 4px solid var(--accent);
  transform: translateX(-380px);
  transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.purchase-popup.show { transform: translateX(0); }
.popup-avatar { font-size: 28px; }
.popup-info { flex: 1; }
.popup-info strong { display: block; font-size: 14px; color: var(--text); }
.popup-info span { font-size: 12px; color: var(--text-light); }
.popup-close {
  font-size: 16px;
  color: var(--text-light);
  padding: 4px;
  min-width: 28px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.popup-close:hover { color: var(--danger); }

/* ========================
   EXIT POPUP
   ======================== */
.exit-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.exit-popup-overlay.show { opacity: 1; pointer-events: all; }
.exit-popup {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  position: relative;
  transform: scale(0.85);
  transition: transform var(--transition);
  box-shadow: 0 32px 80px rgba(0,0,0,0.25);
}
.exit-popup-overlay.show .exit-popup { transform: scale(1); }
.exit-popup-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  background: var(--off-white);
  border-radius: 50%;
  font-size: 18px;
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.exit-popup-close:hover { background: var(--danger); color: var(--white); }
.ep-icon { font-size: 48px; margin-bottom: 12px; }
.exit-popup h3 { font-size: 22px; margin-bottom: 10px; color: var(--text); }
.exit-popup p { font-size: 15px; color: var(--text-light); margin-bottom: 24px; }
.ep-decline { display: block; font-size: 13px; color: var(--text-light); text-decoration: underline; margin-top: 12px; }

/* ========================
   MOBILE BANNER POPUP
   ======================== */
.mobile-banner-popup {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-dark);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  z-index: 2500;
  transform: translateY(100%);
  transition: transform 0.4s ease;
  gap: 10px;
}
.mobile-banner-popup.show { transform: translateY(0); }
.mobile-banner-popup p { font-size: 14px; color: rgba(255,255,255,0.9); flex: 1; }
.mob-banner-btn {
  background: var(--accent2);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 50px;
  white-space: nowrap;
  min-height: 36px;
  display: flex;
  align-items: center;
}
.mob-banner-close { font-size: 18px; color: rgba(255,255,255,0.7); padding: 8px; min-width: 36px; min-height: 36px; display: flex; align-items: center; justify-content: center; }

/* ========================
   SCROLL TOP BUTTON
   ======================== */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 20px;
  width: 52px;
  height: 52px;
  background: var(--gradient);
  color: var(--white);
  border-radius: 50%;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition);
}
.scroll-top.show { opacity: 1; pointer-events: all; transform: translateY(0); }
.scroll-top:hover { transform: scale(1.1) translateY(0); box-shadow: var(--shadow-lg); }

/* ========================
   SCROLL FADE ANIMATIONS
   ======================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ========================
   REDUCED MOTION
   ======================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========================
   UTILITY
   ======================== */
.section-gap { padding: 80px 0; }