/* ===========================
   Eye Boost - styles.css
   Design: Medical Professional
   Fonts: Montserrat + Open Sans
   =========================== */

@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800;900&family=Open+Sans:wght@400;500;600&display=swap');

/* ---- CSS Variables ---- */
:root {
  --primary: #1E40AF;
  --primary-light: #3B82F6;
  --primary-pale: #EFF6FF;
  --accent: #06B6D4;
  --accent-light: #CFFAFE;
  --gold: #F59E0B;
  --success: #10B981;
  --danger: #EF4444;
  --dark: #0F172A;
  --dark2: #1E293B;
  --mid: #475569;
  --light: #F8FAFC;
  --white: #FFFFFF;
  --border: #E2E8F0;
  --shadow: 0 4px 24px rgba(30,64,175,0.12);
  --shadow-lg: 0 12px 48px rgba(30,64,175,0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --trans: 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(--dark);
  background: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}
h1,h2,h3,h4,h5 { font-family: 'Montserrat', sans-serif; font-weight: 700; line-height: 1.25; }
p { font-family: 'Open Sans', sans-serif; color: var(--mid); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
input, select, textarea { font-size: 16px; }

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

/* ---- Section Spacing ---- */
section { padding: 64px 0; }
@media (min-width: 768px) { section { padding: 96px 0; } }

/* ---- Utility ---- */
.highlight { color: var(--primary-light); }
.section-tag {
  display: inline-block;
  background: var(--primary-pale);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 12px;
}
.section-tag.center { display: block; text-align: center; }
.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 5vw, 40px);
  color: var(--dark);
  margin-bottom: 16px;
  line-height: 1.2;
}
.section-title.center { text-align: center; }
.section-title.left { text-align: left; }
.section-sub {
  font-size: 17px;
  color: var(--mid);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 16px;
  padding: 16px 36px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: var(--trans);
  box-shadow: 0 6px 24px rgba(30,64,175,0.35);
  min-height: 48px;
  text-align: center;
  line-height: 1;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 10px 36px rgba(30,64,175,0.45); }
.btn-primary:active { transform: scale(0.98); }
.btn-hero { font-size: 18px; padding: 20px 44px; width: 100%; max-width: 400px; display: block; text-align: center; margin: 24px 0 12px; }
.btn-xl { font-size: 20px; padding: 22px 52px; width: 100%; max-width: 480px; margin: 24px auto; display: block; }
.pulse-btn { animation: pulse-glow 2.5s infinite; }
@keyframes pulse-glow {
  0%,100% { box-shadow: 0 6px 24px rgba(30,64,175,0.35); }
  50% { box-shadow: 0 8px 40px rgba(30,64,175,0.65), 0 0 0 8px rgba(30,64,175,0.1); }
}

/* ---- NAVIGATION ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--trans);
}
.navbar.scrolled {
  box-shadow: 0 4px 32px rgba(30,64,175,0.12);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.logo-img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--dark);
}
.logo-accent { color: var(--primary-light); }
.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
}
.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--dark2);
  transition: var(--trans);
}
.nav-link:hover { color: var(--primary-light); }
.nav-cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 24px;
  border-radius: 100px;
  transition: var(--trans);
  min-height: 40px;
  display: flex;
  align-items: center;
}
.nav-cta:hover { transform: scale(1.05); box-shadow: var(--shadow); }
@media (min-width: 768px) { .nav-links { display: flex; } }

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--trans);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }
@media (min-width: 768px) { .hamburger { display: none; } }

/* Mobile Menu */
.mobile-menu {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  background: var(--white);
  border-top: 1px solid var(--border);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4,0,0.2,1);
  padding: 0 20px;
}
.mobile-menu.open { max-height: 400px; padding: 12px 20px 20px; }
.mobile-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--dark2);
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.mobile-cta {
  display: block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  text-align: center;
  padding: 16px;
  border-radius: 12px;
  margin-top: 16px;
  min-height: 52px;
}
@media (min-width: 768px) { .mobile-menu { display: none !important; } }

/* ---- HERO ---- */
.hero {
  padding: 100px 0 64px;
  background: linear-gradient(160deg, var(--primary-pale) 0%, #EFF6FF 40%, #F0FDFF 100%);
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
.hero-bg-particles {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(59,130,246,0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(6,182,212,0.08) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(30,64,175,0.04) 0%, transparent 70%);
  pointer-events: none;
}
.hero-container {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .hero-container {
    flex-direction: row;
    gap: 60px;
    align-items: center;
  }
  .hero-image { flex: 1; }
  .hero-content { flex: 1; }
}
.hero-img-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
}
.product-bottle {
  max-width: 340px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(30,64,175,0.25));
  position: relative;
  z-index: 2;
}
.hero-glow {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(59,130,246,0.2) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
}
.hero-badge-pill {
  position: absolute;
  top: 0; right: 0;
  background: linear-gradient(135deg, var(--gold), #FCD34D);
  color: var(--dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 8px 16px;
  border-radius: 100px;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
  z-index: 3;
}
@keyframes floating {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}
@keyframes floating-slow {
  0%,100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.floating { animation: floating 4s ease-in-out infinite; }
.floating-slow { animation: floating-slow 5s ease-in-out infinite; }
.hero-tag {
  display: inline-block;
  background: rgba(59,130,246,0.12);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid rgba(59,130,246,0.2);
}
.hero-h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 6vw, 52px);
  color: var(--dark);
  margin-bottom: 24px;
  line-height: 1.15;
}
.hero-desc { color: var(--mid); font-size: 16px; margin-bottom: 14px; }
.hero-rating {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.hero-rating img { height: 24px; width: auto; }
.hero-rating span { font-weight: 600; font-size: 14px; color: var(--mid); }
.hero-disclaimer {
  font-size: 13px;
  color: var(--mid);
  margin-top: 4px;
}

/* Fade animations */
.fade-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.8s, transform 0.8s; }
.fade-right { opacity: 0; transform: translateX(40px); transition: opacity 0.8s, transform 0.8s; }
.fade-in-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.7s, transform 0.7s; }
.visible { opacity: 1 !important; transform: none !important; }
.animate-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s var(--delay, 0s), transform 0.6s var(--delay, 0s);
}
.animate-up.visible { opacity: 1; transform: none; }

/* ---- WHY CHOOSE ---- */
.why-choose {
  background: var(--white);
  padding: 80px 0;
}
.why-choose .section-title { text-align: center; margin-bottom: 8px; }
.badges-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}
@media (min-width: 576px) { .badges-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 992px) { .badges-grid { grid-template-columns: repeat(4,1fr); } }

.badge-card {
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  cursor: pointer;
  transition: var(--trans);
  box-shadow: var(--shadow);
}
.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}
.badge-card img { width: 72px; height: 72px; object-fit: contain; margin: 0 auto 16px; }
.badge-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 10px;
  letter-spacing: 0.5px;
}
.badge-card p { font-size: 14px; line-height: 1.6; }

/* ---- WHAT IS ---- */
.what-is { background: var(--primary-pale); }
.what-is-container {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}
@media (min-width: 768px) {
  .what-is-container {
    flex-direction: row;
    gap: 64px;
  }
  .what-is-img { flex: 1; }
  .what-is-content { flex: 1; }
}
.what-is-img { display: flex; justify-content: center; }
.rounded-img {
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 460px;
}
.what-is-content p { margin-bottom: 16px; font-size: 16px; }
.what-is-content .btn-primary { margin-top: 16px; display: inline-block; }

/* ---- HOW IT WORKS ---- */
.how-it-works { background: var(--white); }
.accordion-list { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }
.accordion-item {
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--trans);
}
.accordion-item.open { border-color: var(--primary-light); box-shadow: var(--shadow); }
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px 24px;
  background: var(--white);
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
  transition: var(--trans);
  min-height: 64px;
}
.accordion-header:hover { background: var(--primary-pale); }
.acc-icon { font-size: 22px; flex-shrink: 0; }
.acc-arrow { margin-left: auto; font-size: 12px; transition: transform 0.3s; flex-shrink: 0; color: var(--primary-light); }
.accordion-item.open .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);
}
.accordion-body p { padding: 0 24px 24px; font-size: 15px; line-height: 1.8; }
.accordion-item.open .accordion-body { max-height: 400px; }

/* ---- REVIEWS ---- */
.reviews { background: linear-gradient(160deg, #F8FAFC 0%, var(--accent-light) 100%); }
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 48px;
}
@media (min-width: 576px) { .reviews-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 992px) { .reviews-grid { grid-template-columns: repeat(3,1fr); } }

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--trans);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.reviewer-img {
  width: 80px; height: 80px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 12px;
  border: 3px solid var(--primary-light);
}
.stars { font-size: 20px; margin-bottom: 8px; }
.review-card h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
  color: var(--dark);
}
.review-card h4 span { color: var(--mid); font-weight: 400; }
.review-card p { font-size: 14px; line-height: 1.7; text-align: left; }
.review-stars-img {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.review-stars-img img { height: 32px; width: auto; }
.review-stars-img span { font-size: 15px; color: var(--mid); }

/* ---- PRICING ---- */
.pricing { background: var(--dark); color: var(--white); }
.pricing .section-title { color: var(--white); }
.pricing .section-sub { color: rgba(255,255,255,0.7); }
.pricing-2 { background: var(--primary); }

.countdown-wrapper { text-align: center; margin-bottom: 40px; }
.countdown-label { color: rgba(255,255,255,0.8); font-size: 16px; margin-bottom: 12px; font-family: 'Montserrat', sans-serif; font-weight: 600; }
.countdown {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  padding: 16px 32px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.2);
}
.cd-box { display: flex; flex-direction: column; align-items: center; }
.cd-box span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(40px, 8vw, 64px);
  color: var(--gold);
  line-height: 1;
  min-width: 80px;
  text-align: center;
}
.cd-box label { font-size: 12px; color: rgba(255,255,255,0.6); font-weight: 600; letter-spacing: 2px; margin-top: 4px; }
.cd-sep { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 48px; color: var(--gold); line-height: 1; padding-bottom: 8px; }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 24px;
}
@media (min-width: 576px) { .pricing-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 992px) { .pricing-grid { grid-template-columns: repeat(3,1fr); } }

.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: var(--trans);
  border: 2px solid var(--border);
}
.price-card.popular {
  border-color: var(--gold);
  box-shadow: 0 8px 48px rgba(245,158,11,0.3);
  transform: scale(1.03);
}
.price-card:hover { transform: translateY(-8px) scale(1.02); box-shadow: var(--shadow-lg); }
.price-card.popular:hover { transform: translateY(-8px) scale(1.05); }
.popular-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), #FCD34D);
  color: var(--dark);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 100px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.price-label.popular-label { color: var(--gold); }
.price-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: var(--dark);
  margin-bottom: 4px;
}
.supply { font-size: 13px; color: var(--mid); margin-bottom: 16px; }
.price-card img:not(.payment-logos):not(.atc-img) {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin: 0 auto 16px;
}
.price-main {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 40px;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 6px;
}
.price-per { font-size: 16px; font-weight: 600; }
.price-total { font-size: 15px; color: var(--mid); margin-bottom: 16px; }
.price-total strong { color: var(--success); }
.badge-row { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-bottom: 16px; }
.free-badge {
  background: var(--success);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 11px;
  padding: 4px 10px;
  border-radius: 100px;
}
.btn-pricing {
  display: block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white) !important;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  padding: 16px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: var(--trans);
  margin-bottom: 12px;
  min-height: 52px;
  text-align: center;
}
.btn-pricing.btn-popular {
  background: linear-gradient(135deg, var(--gold), #F97316);
  box-shadow: 0 6px 24px rgba(245,158,11,0.4);
}
.btn-pricing:hover { transform: scale(1.05); box-shadow: var(--shadow-lg); }
.payment-logos { width: 180px; margin: 8px auto 4px; height: auto; }
.atc-img { width: 100px; margin: 0 auto; height: auto; }
.pricing-stars { display: flex; justify-content: center; margin-top: 40px; }
.pricing-stars img { height: 40px; width: auto; }

/* ---- BONUS ---- */
.bonus { background: var(--primary-pale); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 48px;
}
@media (min-width: 768px) { .bonus-grid { grid-template-columns: 1fr 1fr; } }

.bonus-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: var(--trans);
  border: 1px solid var(--border);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-card img { width: 100%; height: 200px; object-fit: cover; }
.bonus-content { padding: 28px 24px; flex: 1; }
.bonus-num {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.bonus-content h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--dark);
}
.bonus-content p { font-size: 15px; margin-bottom: 12px; }
.bonus-value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--success);
}
.bonus-value s { color: var(--mid); font-weight: 400; margin-right: 8px; }

/* ---- INGREDIENTS ---- */
.ingredients { background: var(--white); }
.ing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 48px;
}
@media (min-width: 576px) { .ing-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 992px) { .ing-grid { grid-template-columns: repeat(3,1fr); } }

.ing-card {
  background: var(--primary-pale);
  border-radius: var(--radius-sm);
  padding: 28px 20px;
  border-left: 4px solid var(--primary-light);
  transition: var(--trans);
}
.ing-card:hover { transform: translateX(4px); background: #EFF6FF; }
.ing-icon { font-size: 32px; margin-bottom: 12px; }
.ing-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 17px;
  color: var(--primary);
  margin-bottom: 8px;
}
.ing-card p { font-size: 14px; line-height: 1.7; }

/* ---- SCIENCE ---- */
.science { background: var(--dark2); }
.science .section-title { color: var(--white); }
.science .section-sub { color: rgba(255,255,255,0.7); }
.science-accordion { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }
.science-accordion .accordion-item { border-color: rgba(255,255,255,0.15); background: rgba(255,255,255,0.04); }
.science-accordion .accordion-header { background: transparent; color: var(--white); }
.science-accordion .accordion-header:hover { background: rgba(255,255,255,0.08); }
.science-accordion .accordion-item.open { border-color: var(--accent); }
.science-accordion .accordion-body p { color: rgba(255,255,255,0.8); }

/* ---- GUARANTEE ---- */
.guarantee { background: var(--white); }
.guarantee-container {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
}
@media (min-width: 768px) {
  .guarantee-container { flex-direction: row; gap: 64px; }
  .guarantee-img { flex: 0 0 auto; }
  .guarantee-content { flex: 1; }
}
.guarantee-img img {
  width: 280px;
  max-width: 100%;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
}
.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin: 24px 0; }
.g-point { display: flex; align-items: flex-start; gap: 16px; }
.g-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.g-point h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--dark);
  margin-bottom: 4px;
}
.g-point p { font-size: 14px; }

/* ---- BENEFITS ---- */
.benefits { background: linear-gradient(160deg, var(--primary-pale) 0%, #F0FDFF 100%); }
.benefits-grid {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 48px;
}
@media (min-width: 768px) {
  .benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
}
.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--white);
  padding: 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  transition: var(--trans);
}
.benefit-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.benefit-check { font-size: 24px; flex-shrink: 0; margin-top: 2px; }
.benefit-item h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: var(--dark);
  margin-bottom: 6px;
}
.benefit-item p { font-size: 14px; line-height: 1.7; }

/* ---- FAQ ---- */
.faq { background: var(--white); }
.faq-list { margin-top: 40px; display: flex; flex-direction: column; gap: 12px; }

/* ---- FINAL CTA ---- */
.final-cta {
  background: linear-gradient(160deg, var(--dark) 0%, var(--primary) 60%, var(--accent) 100%);
  position: relative;
  overflow: hidden;
  padding: 96px 0;
}
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 80% 50%, rgba(6,182,212,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.final-cta-container {
  display: flex;
  flex-direction: column;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 1;
}
@media (min-width: 768px) {
  .final-cta-container { flex-direction: row; gap: 64px; }
  .final-img { flex: 1; }
  .final-content { flex: 1; }
}
.final-img { position: relative; display: flex; justify-content: center; }
.final-img img { max-width: 320px; filter: drop-shadow(0 20px 60px rgba(0,0,0,0.4)); position: relative; z-index: 2; }
.final-glow {
  position: absolute;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(59,130,246,0.3) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  border-radius: 50%;
}
.final-content .section-title { color: var(--white); }
.final-content p { color: rgba(255,255,255,0.8); margin-bottom: 16px; }
.final-price {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 24px 0;
}
.regular-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  color: rgba(255,255,255,0.5);
}
.special-price {
  font-family: 'Montserrat', sans-serif;
  font-size: 28px;
  color: var(--gold);
}
.special-price strong { font-size: 36px; }
.final-features {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}
.final-features span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.1);
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.2);
}
.final-disclaimer { color: rgba(255,255,255,0.5); font-size: 13px; margin-top: 12px; }

/* ---- FOOTER ---- */
.footer { background: var(--dark); color: var(--white); padding: 64px 0 32px; }
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (min-width: 768px) { .footer-top { grid-template-columns: 2fr 1fr 1fr; } }
.footer-logo { width: 60px; height: 60px; object-fit: contain; border-radius: 10px; margin-bottom: 12px; }
.footer-tagline { color: rgba(255,255,255,0.5); font-size: 14px; margin-top: 8px; }
.footer-links, .footer-social { display: flex; flex-direction: column; gap: 10px; }
.footer-links h4, .footer-social h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 4px;
  letter-spacing: 1px;
}
.footer-links a { color: rgba(255,255,255,0.5); font-size: 14px; transition: var(--trans); }
.footer-links a:hover { color: var(--primary-light); }
.social-icons { display: flex; gap: 12px; flex-wrap: wrap; }
.social-icon { font-size: 24px; transition: var(--trans); }
.social-icon:hover { transform: scale(1.2); }
.footer-legal {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 32px;
  text-align: center;
}
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  margin-bottom: 20px;
}
.legal-link { color: rgba(255,255,255,0.6); font-size: 13px; transition: var(--trans); }
.legal-link:hover { color: var(--primary-light); }
.link-separator { color: rgba(255,255,255,0.2); }
.footer-disclaimer {
  color: rgba(255,255,255,0.35);
  font-size: 12px;
  line-height: 1.7;
  max-width: 700px;
  margin: 0 auto 16px;
}
.footer-copy { color: rgba(255,255,255,0.4); font-size: 13px; }
.footer-copy a { color: var(--primary-light); }

/* ---- SCROLL TO TOP ---- */
.scroll-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(30,64,175,0.4);
  opacity: 0;
  transform: translateY(20px);
  transition: var(--trans);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px) scale(1.1); }

/* ---- PURCHASE POPUP ---- */
.purchase-popup {
  position: fixed;
  bottom: -100px;
  left: 20px;
  z-index: 1001;
  transition: bottom 0.5s cubic-bezier(0.4,0,0.2,1);
  max-width: calc(100vw - 40px);
}
.purchase-popup.show { bottom: 90px; }
@media (min-width: 768px) { .purchase-popup.show { bottom: 32px; } }
.popup-inner {
  background: var(--white);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  border-left: 4px solid var(--success);
  max-width: 320px;
}
.popup-img { width: 44px; height: 44px; object-fit: contain; border-radius: 8px; flex-shrink: 0; }
.popup-text { flex: 1; font-size: 13px; line-height: 1.4; color: var(--dark); }
.popup-text strong { display: block; font-family: 'Montserrat', sans-serif; }
.popup-text span { color: var(--mid); font-size: 12px; }
.popup-close {
  background: none;
  border: none;
  font-size: 14px;
  cursor: pointer;
  color: var(--mid);
  padding: 4px;
  min-width: 28px;
  min-height: 28px;
  flex-shrink: 0;
}

/* ---- EXIT POPUP ---- */
.exit-popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.exit-popup-overlay.show { display: flex; }
.exit-popup {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  position: relative;
  text-align: center;
  animation: popIn 0.4s cubic-bezier(0.175,0.885,0.32,1.275);
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}
.exit-close {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--border);
  border: none;
  border-radius: 50%;
  width: 32px; height: 32px;
  cursor: pointer;
  font-size: 14px;
  color: var(--mid);
  display: flex;
  align-items: center;
  justify-content: center;
}
.exit-popup h3 {
  font-family: 'Montserrat', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: var(--danger);
  margin-bottom: 12px;
}
.exit-popup p { font-size: 16px; color: var(--mid); margin-bottom: 16px; }
.exit-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin: 20px 0;
}
.exit-price s { font-size: 20px; color: var(--mid); }
.exit-price strong {
  font-family: 'Montserrat', sans-serif;
  font-size: 36px;
  font-weight: 900;
  color: var(--primary);
}
.exit-sub { font-size: 14px; color: var(--success); font-weight: 600; }
.btn-exit { margin: 16px auto; display: block; max-width: 340px; }
.exit-decline {
  font-size: 12px;
  color: var(--mid);
  cursor: pointer;
  text-decoration: underline;
  margin-top: 12px;
}

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

/* ---- MOBILE EXTRAS ---- */
@media (max-width: 575px) {
  .hero { padding: 90px 0 40px; }
  .price-card.popular { transform: scale(1); }
  .final-cta { padding: 64px 0; }
  .btn-xl { font-size: 17px; padding: 18px 32px; }
  .btn-hero { font-size: 16px; padding: 18px 32px; }
  .guarantee-img img { width: 220px; }
}