/* =============================================
   EREFIL - Premium Medical Professional Theme
   Colors: Deep Navy #0F1B3C, Royal Blue #1E40AF, 
           Gold #D4AF37, White #FFFFFF
   Fonts: Montserrat (headings) + Open Sans (body)
============================================= */

/* ---- CSS VARIABLES ---- */
:root {
  --navy: #0F1B3C;
  --navy-mid: #1a2d5a;
  --blue: #1E40AF;
  --blue-mid: #2563EB;
  --blue-light: #3B82F6;
  --sky: #93C5FD;
  --gold: #D4AF37;
  --gold-light: #F0D060;
  --white: #FFFFFF;
  --off-white: #F8FAFF;
  --gray-light: #EFF3FF;
  --gray-text: #64748B;
  --text-dark: #0F1B3C;
  --green: #10B981;
  --red: #EF4444;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow: 0 8px 40px rgba(15,27,60,0.15);
  --shadow-lg: 0 20px 60px rgba(15,27,60,0.25);
  --grad-main: linear-gradient(135deg, #1E40AF 0%, #2563EB 50%, #0EA5E9 100%);
  --grad-gold: linear-gradient(135deg, #D4AF37, #F0D060, #D4AF37);
  --grad-hero: linear-gradient(135deg, #0F1B3C 0%, #1a2d5a 40%, #1E40AF 100%);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- RESET & BASE ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Open Sans', sans-serif;
  color: var(--text-dark);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.2; }
p { font-family: 'Open Sans', sans-serif; }

/* ---- 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(--grad-main);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 50px;
  min-height: 52px;
  transition: var(--transition);
  box-shadow: 0 6px 24px rgba(30,64,175,0.4);
  text-align: center;
  letter-spacing: 0.02em;
  border: none;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 10px 36px rgba(30,64,175,0.55); }
.btn-primary:active { transform: scale(0.98); }
.btn-hero { font-size: 1.15rem; padding: 20px 44px; min-height: 60px; width: 100%; max-width: 420px; }
.btn-md { padding: 14px 32px; font-size: 0.95rem; }
.btn-lg { padding: 18px 48px; font-size: 1.05rem; }
.btn-xl { font-size: 1.2rem; padding: 22px 52px; min-height: 64px; }
.btn-price { width: 100%; margin-top: 14px; }

/* ---- SECTION COMMON ---- */
.section { padding: 72px 0; }
.section-title {
  font-size: clamp(26px, 4vw, 42px);
  color: var(--navy);
  text-align: center;
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-title.left-align { text-align: left; }
.section-sub {
  text-align: center;
  color: var(--gray-text);
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 620px;
  margin-left: auto;
  margin-right: auto;
}
.gradient-text {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* =============================================
   POPUP
============================================= */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15,27,60,0.75);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s ease;
  backdrop-filter: blur(4px);
}
.popup-overlay.active { opacity: 1; visibility: visible; }
.popup-box {
  background: var(--white);
  border-radius: 24px;
  padding: 40px 32px 32px;
  max-width: 460px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--gold);
  animation: popupIn 0.5s cubic-bezier(0.34,1.56,0.64,1) forwards;
}
@keyframes popupIn { from { transform: scale(0.7) translateY(40px); opacity: 0; } to { transform: scale(1) translateY(0); opacity: 1; } }
.popup-close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 26px;
  color: var(--gray-text);
  line-height: 1;
  cursor: pointer;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: var(--transition);
}
.popup-close:hover { background: var(--gray-light); color: var(--navy); }
.popup-inner { text-align: center; }
.popup-badge {
  display: inline-block;
  background: var(--grad-gold);
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.popup-title { font-size: 1.6rem; color: var(--navy); margin-bottom: 12px; }
.popup-text { color: var(--gray-text); margin-bottom: 20px; line-height: 1.6; }
.popup-timer-wrap { margin-bottom: 20px; }
.popup-timer-label { font-size: 0.9rem; color: var(--gray-text); display: block; margin-bottom: 6px; }
.popup-timer {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2.2rem;
  color: var(--red);
  letter-spacing: 2px;
}
.popup-cta {
  display: block;
  background: var(--grad-main);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  padding: 16px;
  border-radius: 50px;
  margin-bottom: 12px;
  font-size: 1rem;
  transition: var(--transition);
}
.popup-cta:hover { transform: scale(1.03); }
.popup-skip {
  display: block;
  color: var(--blue);
  font-size: 0.85rem;
  text-decoration: underline;
}

/* =============================================
   PURCHASE NOTIFICATION
============================================= */
.purchase-notif {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 8888;
  transform: translateX(-120%);
  transition: transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
}
.purchase-notif.show { transform: translateX(0); }
.notif-inner {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--white);
  border: 2px solid var(--blue-light);
  padding: 12px 20px;
  border-radius: 16px;
  box-shadow: var(--shadow);
  max-width: 280px;
}
.notif-icon { font-size: 1.4rem; }
.notif-text { font-size: 0.85rem; color: var(--text-dark); line-height: 1.4; }

/* =============================================
   NAVIGATION
============================================= */
.navbar {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(15,27,60,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 30px rgba(15,27,60,0.5); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-img { width: 40px; height: 40px; border-radius: 10px; object-fit: cover; }
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--white);
  letter-spacing: 1px;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  color: rgba(255,255,255,0.85);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--gold); }
.nav-cta {
  padding: 10px 24px;
  font-size: 0.9rem;
  min-height: 44px;
  flex-shrink: 0;
}
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  border-radius: 8px;
  transition: var(--transition);
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2.5px;
  background: var(--white);
  border-radius: 2px;
  transition: var(--transition);
  transform-origin: center;
}
.hamburger.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
.mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--navy-mid);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.mobile-menu.open { max-height: 400px; padding: 16px 0; }
.mob-link {
  display: block;
  color: rgba(255,255,255,0.9);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: var(--transition);
}
.mob-link:hover { color: var(--gold); background: rgba(255,255,255,0.05); }
.mob-cta {
  display: block;
  margin: 16px 24px;
  text-align: center;
  border-radius: 50px;
  min-height: 48px;
  padding: 14px 24px;
}

/* =============================================
   HERO SECTION
============================================= */
.hero-section {
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  padding: 80px 0 60px;
  min-height: 85vh;
  display: flex;
  align-items: center;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  animation: floatShape 8s ease-in-out infinite;
}
.shape.s1 { width: 500px; height: 500px; top: -150px; right: -100px; animation-delay: 0s; }
.shape.s2 { width: 300px; height: 300px; bottom: -80px; left: -60px; animation-delay: 2s; }
.shape.s3 { width: 200px; height: 200px; top: 40%; right: 20%; animation-delay: 4s; }
@keyframes floatShape {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-30px) rotate(10deg); }
}
.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-product-glow {
  position: absolute;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(37,99,235,0.5) 0%, rgba(14,165,233,0.2) 50%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 0;
}
@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-product-img {
  position: relative;
  z-index: 2;
  max-width: 400px;
  width: 90%;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  25% { transform: translateY(-16px) rotate(1deg); }
  75% { transform: translateY(-8px) rotate(-1deg); }
}
.hero-float-badge {
  position: absolute;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 8px 16px;
  border-radius: 50px;
  z-index: 3;
  white-space: nowrap;
}
.badge-1 { top: 15%; left: -10px; animation: badgeFloat 3.5s ease-in-out infinite 0.5s; }
.badge-2 { bottom: 20%; left: -15px; animation: badgeFloat 3.5s ease-in-out infinite 1s; }
.badge-3 { top: 50%; right: -10px; animation: badgeFloat 3.5s ease-in-out infinite 1.5s; }
@keyframes badgeFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.hero-content { color: var(--white); }
.hero-tag {
  display: inline-block;
  background: var(--grad-gold);
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.hero-h1 {
  font-size: clamp(28px, 4.5vw, 52px);
  color: var(--white);
  margin-bottom: 22px;
  line-height: 1.15;
}
.hero-desc {
  color: rgba(255,255,255,0.88);
  font-size: 1.02rem;
  margin-bottom: 16px;
  line-height: 1.75;
}
.hero-stars { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; flex-wrap: wrap; }
.stars { color: var(--gold); font-size: 1.4rem; letter-spacing: 2px; }
.review-count { color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.hero-cta-group { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.hero-sub { color: rgba(255,255,255,0.7); font-size: 0.85rem; }

/* =============================================
   WHY CHOOSE US
============================================= */
.why-section { background: var(--off-white); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(15,27,60,0.08);
  border: 1px solid rgba(30,64,175,0.08);
  transition: var(--transition);
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow);
  border-color: var(--blue-light);
}
.why-icon-wrap {
  width: 90px;
  height: 90px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-light);
  border-radius: 20px;
  padding: 12px;
}
.why-icon { width: 64px; height: 64px; object-fit: contain; }
.why-card h3 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 12px;
}
.why-card p { font-size: 0.88rem; color: var(--gray-text); line-height: 1.6; }

/* =============================================
   WHAT IS EREFIL
============================================= */
.what-section { background: var(--white); }
.what-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 64px;
  align-items: center;
}
.what-content p { margin-bottom: 18px; color: #374151; line-height: 1.75; font-size: 1rem; }
.what-content .btn-primary { margin-top: 8px; }
.what-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}
.what-img {
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 420px;
}

/* =============================================
   HOW IT WORKS - ACCORDION
============================================= */
.works-section { background: var(--navy); }
.works-section .section-title { color: var(--white); }
.works-section .section-sub { color: rgba(255,255,255,0.7); }
.accordion-wrap { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.acc-item {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.acc-item.open { background: rgba(255,255,255,0.12); border-color: var(--blue-light); }
.acc-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--white);
  text-align: left;
  cursor: pointer;
  min-height: 64px;
  transition: var(--transition);
}
.acc-header:hover { background: rgba(255,255,255,0.05); }
.acc-icon { font-size: 1.4rem; flex-shrink: 0; }
.acc-arrow { margin-left: auto; flex-shrink: 0; font-size: 0.75rem; transition: transform 0.3s ease; color: var(--sky); }
.acc-item.open .acc-arrow { transform: rotate(180deg); }
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.acc-body p {
  padding: 0 24px 22px;
  color: rgba(255,255,255,0.8);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* =============================================
   CUSTOMER REVIEWS
============================================= */
.reviews-section { background: var(--gray-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 24px;
  box-shadow: 0 4px 20px rgba(15,27,60,0.08);
  border: 1px solid rgba(30,64,175,0.08);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.review-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.reviewer-img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--blue-light);
  flex-shrink: 0;
}
.reviewer-name { display: block; font-family: 'Montserrat', sans-serif; font-weight: 800; font-size: 1rem; color: var(--navy); }
.reviewer-loc { display: block; font-size: 0.8rem; color: var(--gray-text); margin-top: 2px; }
.review-stars { color: var(--gold); font-size: 1rem; margin-top: 4px; letter-spacing: 1px; }
.review-text { color: #374151; font-size: 0.92rem; line-height: 1.7; margin-bottom: 14px; }
.verified-badge {
  display: inline-block;
  background: rgba(16,185,129,0.1);
  color: var(--green);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.78rem;
  padding: 4px 14px;
  border-radius: 50px;
}
.reviews-overall { text-align: center; }
.reviews-overall img { margin: 0 auto 10px; }
.reviews-overall p { color: var(--gray-text); font-size: 0.95rem; }

/* =============================================
   PRICING SECTION
============================================= */
.pricing-section {
  background: var(--navy);
  position: relative;
}
.pricing-section-2 { background: var(--white); }
.pricing-section-2 .section-title { color: var(--navy); }
.pricing-section-2 .section-sub { color: var(--gray-text); }

.countdown-wrap { text-align: center; margin-bottom: 40px; }
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  color: rgba(255,255,255,0.85);
  font-size: 1rem;
  margin-bottom: 10px;
}
.pricing-section-2 .countdown-label { color: var(--gray-text); }
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 2px solid var(--gold);
  border-radius: 20px;
  padding: 12px 32px;
}
.pricing-section-2 .countdown-timer { background: var(--navy); }
.timer-block { text-align: center; }
.timer-block span {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 3rem;
  color: var(--gold);
  line-height: 1;
  min-width: 70px;
}
.timer-block small {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.65rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 2px;
  margin-top: 4px;
}
.pricing-section-2 .timer-block small { color: rgba(255,255,255,0.6); }
.timer-sep {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2.5rem;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 16px;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 40px;
}
.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 2px solid transparent;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border-color: var(--gold);
  background: linear-gradient(135deg, #0F1B3C 0%, #1a2d5a 100%);
  transform: scale(1.04);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-8px); }
.popular-ribbon {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--grad-gold);
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.78rem;
  padding: 8px;
  letter-spacing: 1px;
}
.price-card.popular .price-label,
.price-card.popular .price-quantity,
.price-card.popular .price-supply,
.price-card.popular .price-per,
.price-card.popular .price-total { color: var(--white); }
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.1rem;
  color: var(--navy);
  margin-top: 16px;
  margin-bottom: 4px;
  letter-spacing: 1px;
}
.price-quantity { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--blue); font-size: 0.9rem; }
.price-card.popular .price-quantity { color: var(--gold); }
.price-supply { color: var(--gray-text); font-size: 0.85rem; margin-bottom: 16px; }
.price-img { width: 130px; height: auto; margin: 0 auto 16px; object-fit: contain; }
.price-per {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 2.2rem;
  color: var(--navy);
  margin-bottom: 8px;
}
.price-per small { font-size: 1rem; font-weight: 600; color: var(--gray-text); }
.price-total { font-size: 0.9rem; color: var(--gray-text); margin-bottom: 12px; }
.price-total s { color: var(--red); }
.price-total strong { color: var(--green); font-size: 1.05rem; }
.bonus-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 8px; }
.bonus-tag {
  display: inline-block;
  background: rgba(16,185,129,0.12);
  color: var(--green);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 0.72rem;
  padding: 5px 12px;
  border-radius: 50px;
  border: 1px solid rgba(16,185,129,0.3);
}
.payment-wrap { margin-top: 14px; }
.cards-img { margin: 0 auto; max-width: 180px; height: auto; }
.pricing-stars { text-align: center; }
.pricing-stars img { margin: 0 auto 8px; }
.pricing-stars p { color: rgba(255,255,255,0.75); font-size: 0.9rem; }
.pricing-section-2 .pricing-stars p { color: var(--gray-text); }

/* =============================================
   BONUS SECTION
============================================= */
.bonus-section { background: var(--off-white); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 40px;
}
.bonus-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 2px solid rgba(212,175,55,0.3);
  transition: var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); border-color: var(--gold); box-shadow: 0 16px 50px rgba(212,175,55,0.2); }
.bonus-number {
  display: inline-block;
  background: var(--grad-gold);
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 0.8rem;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.bonus-img { width: 220px; margin: 0 auto 20px; border-radius: 12px; object-fit: cover; }
.bonus-card h3 { font-size: 1.2rem; color: var(--navy); margin-bottom: 14px; }
.bonus-card p { color: var(--gray-text); font-size: 0.92rem; line-height: 1.65; margin-bottom: 16px; }
.bonus-value { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1rem; color: var(--gray-text); }
.free-text { color: var(--green); font-size: 1.1rem; }
.bonus-cta-wrap { text-align: center; }

/* =============================================
   INGREDIENTS
============================================= */
.ingredients-section { background: var(--white); }
.ingr-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ingr-card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 28px 22px;
  border: 1px solid rgba(30,64,175,0.1);
  transition: var(--transition);
}
.ingr-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--blue-light); }
.ingr-icon { font-size: 2rem; margin-bottom: 12px; }
.ingr-card h3 { font-size: 1.05rem; color: var(--navy); margin-bottom: 10px; }
.ingr-card p { font-size: 0.88rem; color: #4B5563; line-height: 1.65; }

/* =============================================
   SCIENCE SECTION
============================================= */
.science-section { background: var(--navy); }
.science-section .section-title { color: var(--white); }
.science-section .section-sub { color: rgba(255,255,255,0.7); }
.science-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.science-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 28px 22px;
  transition: var(--transition);
}
.science-card:hover { background: rgba(255,255,255,0.12); border-color: var(--sky); transform: translateY(-4px); }
.science-card h3 { font-size: 1rem; color: var(--gold); margin-bottom: 14px; }
.science-card p { font-size: 0.88rem; color: rgba(255,255,255,0.8); line-height: 1.65; margin-bottom: 12px; }
.science-ref { font-size: 0.78rem; color: rgba(255,255,255,0.45); font-style: italic; margin-bottom: 0 !important; }

/* =============================================
   MONEY BACK GUARANTEE
============================================= */
.guarantee-section { background: var(--gray-light); }
.guarantee-container {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-img { width: 260px; height: auto; }
.guarantee-content .section-title { margin-bottom: 16px; }
.guarantee-content > p { color: var(--gray-text); margin-bottom: 28px; font-size: 1rem; }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }
.guarantee-point { display: flex; gap: 16px; align-items: flex-start; }
.gp-icon {
  font-size: 1.8rem;
  width: 56px;
  height: 56px;
  background: var(--white);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(15,27,60,0.12);
}
.guarantee-point h3 { font-size: 1rem; color: var(--navy); margin-bottom: 6px; }
.guarantee-point p { font-size: 0.9rem; color: var(--gray-text); line-height: 1.6; }

/* =============================================
   BENEFITS
============================================= */
.benefits-section { background: var(--white); }
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--off-white);
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid rgba(30,64,175,0.08);
  transition: var(--transition);
}
.benefit-item:hover { transform: translateX(6px); border-color: var(--blue-light); box-shadow: var(--shadow); }
.benefit-icon {
  font-size: 2rem;
  width: 56px;
  height: 56px;
  background: var(--white);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 4px 14px rgba(15,27,60,0.1);
}
.benefit-item h3 { font-size: 1rem; color: var(--navy); margin-bottom: 6px; }
.benefit-item p { font-size: 0.88rem; color: var(--gray-text); line-height: 1.6; }

/* =============================================
   FAQ
============================================= */
.faq-section { background: var(--off-white); }
.faq-wrap { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(15,27,60,0.06);
  border: 1px solid rgba(30,64,175,0.08);
}
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--navy);
  text-align: left;
  cursor: pointer;
  min-height: 64px;
  transition: var(--transition);
}
.faq-q:hover { background: var(--gray-light); }
.faq-q.open { color: var(--blue); background: rgba(37,99,235,0.05); }
.faq-arrow { flex-shrink: 0; font-size: 0.75rem; transition: transform 0.3s ease; color: var(--blue); }
.faq-q.open .faq-arrow { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-a p {
  padding: 0 24px 22px;
  color: #4B5563;
  font-size: 0.93rem;
  line-height: 1.75;
}

/* =============================================
   FINAL CTA
============================================= */
.final-cta-section {
  background: var(--grad-hero);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}
.final-cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.cta-shape.c1 { width: 600px; height: 600px; top: -200px; left: -200px; animation: floatShape 10s ease-in-out infinite; }
.cta-shape.c2 { width: 400px; height: 400px; bottom: -150px; right: -100px; animation: floatShape 12s ease-in-out infinite 2s; }
.final-cta-container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: center;
}
.final-cta-image { position: relative; display: flex; justify-content: center; }
.final-glow {
  position: absolute;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(212,175,55,0.4), transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}
.final-product-img {
  position: relative;
  z-index: 1;
  max-width: 340px;
  width: 100%;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 30px 60px rgba(0,0,0,0.5));
}
.final-cta-content { color: var(--white); }
.final-tag {
  display: inline-block;
  background: var(--grad-gold);
  color: var(--navy);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 0.8rem;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 18px;
}
.final-cta-content h2 {
  font-size: clamp(22px, 3.5vw, 36px);
  color: var(--white);
  margin-bottom: 24px;
  line-height: 1.25;
}
.final-price-wrap { margin-bottom: 18px; }
.final-old-price { font-size: 1rem; color: rgba(255,255,255,0.6); margin-bottom: 6px; }
.final-old-price s { color: var(--red); }
.final-new-price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--white);
}
.final-new-price span { color: var(--gold); font-size: 2.2rem; }
.final-stars { color: var(--gold); font-size: 1rem; margin-bottom: 20px; }
.final-stars span { color: rgba(255,255,255,0.75); font-size: 0.88rem; }
.final-checks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.final-checks li {
  font-family: 'Open Sans', sans-serif;
  color: rgba(255,255,255,0.88);
  font-size: 0.95rem;
}
.final-cta-btn { width: 100%; max-width: 440px; }
.final-sub { color: rgba(255,255,255,0.65); font-size: 0.85rem; margin-top: 14px; }

/* =============================================
   FOOTER
============================================= */
.footer {
  background: #070E1F;
  color: rgba(255,255,255,0.7);
  padding: 48px 0 24px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand img { width: 42px; height: 42px; border-radius: 10px; }
.footer-logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--white);
}
.footer-social { display: flex; gap: 14px; }
.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: var(--transition);
}
.social-icon:hover { background: var(--blue); color: var(--white); transform: translateY(-2px); }
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  align-items: center;
}
.legal-link {
  color: rgba(255,255,255,0.6);
  font-size: 0.88rem;
  transition: var(--transition);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}
.legal-link:hover { color: var(--gold); }
.link-separator { color: rgba(255,255,255,0.25); }
.footer-disclaimer {
  margin-bottom: 24px;
  padding: 20px;
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
  border-left: 3px solid rgba(212,175,55,0.4);
}
.footer-disclaimer p { font-size: 0.8rem; color: rgba(255,255,255,0.45); line-height: 1.7; margin-bottom: 10px; }
.footer-disclaimer p:last-child { margin-bottom: 0; }
.footer-copy { text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.35); padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.footer-copy a { color: var(--blue-light); }

/* =============================================
   SCROLL TOP BUTTON
============================================= */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 888;
  width: 56px;
  height: 56px;
  background: var(--grad-main);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.scroll-top-btn.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.scroll-top-btn:hover { transform: translateY(-4px) scale(1.08); }

/* =============================================
   AOS (Animate on Scroll)
============================================= */
[data-aos] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
[data-aos].aos-visible { opacity: 1; transform: translateY(0); }
.why-card:nth-child(2)[data-aos].aos-visible { transition-delay: 0.1s; }
.why-card:nth-child(3)[data-aos].aos-visible { transition-delay: 0.2s; }
.why-card:nth-child(4)[data-aos].aos-visible { transition-delay: 0.3s; }
.ingr-card:nth-child(2)[data-aos].aos-visible { transition-delay: 0.08s; }
.ingr-card:nth-child(3)[data-aos].aos-visible { transition-delay: 0.16s; }
.ingr-card:nth-child(4)[data-aos].aos-visible { transition-delay: 0.24s; }
.ingr-card:nth-child(5)[data-aos].aos-visible { transition-delay: 0.32s; }
.ingr-card:nth-child(6)[data-aos].aos-visible { transition-delay: 0.40s; }
.ingr-card:nth-child(7)[data-aos].aos-visible { transition-delay: 0.48s; }

/* =============================================
   RESPONSIVE BREAKPOINTS
============================================= */

/* Tablet - 768px */
@media (max-width: 991px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-image-wrap { order: -1; }
  .hero-product-img { max-width: 320px; }
  .hero-cta-group { align-items: center; }
  .hero-h1 { font-size: clamp(26px, 5vw, 38px); }
  .why-grid { grid-template-columns: 1fr 1fr; }
  .what-container { grid-template-columns: 1fr; gap: 40px; }
  .what-image-wrap { order: -1; }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; margin-left: auto; margin-right: auto; }
  .price-card.popular { transform: scale(1); }
  .price-card.popular:hover { transform: translateY(-8px); }
  .bonus-grid { grid-template-columns: 1fr; }
  .ingr-grid { grid-template-columns: 1fr 1fr; }
  .science-grid { grid-template-columns: 1fr 1fr; }
  .guarantee-container { grid-template-columns: 1fr; text-align: center; }
  .guarantee-image-wrap { display: flex; justify-content: center; }
  .guarantee-img { width: 200px; }
  .section-title.left-align { text-align: center; }
  .guarantee-point { text-align: left; }
  .final-cta-container { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .final-cta-image { order: -1; }
  .final-product-img { max-width: 280px; }
  .final-cta-btn { max-width: 100%; }
  .final-checks { align-items: flex-start; text-align: left; max-width: 340px; margin-left: auto; margin-right: auto; }
  .benefits-grid { grid-template-columns: 1fr; max-width: 560px; }
}

/* Large Phone - 576px */
@media (max-width: 767px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }
  .section { padding: 52px 0; }
  .why-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .ingr-grid { grid-template-columns: 1fr; }
  .science-grid { grid-template-columns: 1fr; }
  .badge-1, .badge-2, .badge-3 { font-size: 0.72rem; padding: 6px 12px; }
}

/* Phone - 480px */
@media (max-width: 575px) {
  .hero-section { padding: 56px 0 48px; min-height: auto; }
  .hero-h1 { font-size: 26px; }
  .hero-desc { font-size: 0.95rem; }
  .hero-float-badge { display: none; }
  .why-grid { grid-template-columns: 1fr; }
  .timer-block span { font-size: 2.4rem; min-width: 56px; }
  .pricing-grid { max-width: 100%; }
  .purchase-notif { bottom: 10px; left: 10px; }
  .scroll-top-btn { bottom: 16px; right: 16px; }
  .what-content .btn-primary,
  .guarantee-content .btn-primary { width: 100%; }
}

/* Small phones - 320px */
@media (max-width: 380px) {
  .container { padding: 0 14px; }
  .hero-h1 { font-size: 22px; }
  .section-title { font-size: 20px; }
  .btn-hero { font-size: 1rem; padding: 18px 24px; }
  .nav-container { padding: 12px 14px; }
}

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