/* ===========================
   PROVACYL - MAIN STYLESHEET
   Design: Modern Gradient (Medical Professional Feel)
   Mobile-First Approach
   =========================== */

/* ---- 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: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #f8f9ff;
  color: #1e293b;
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
input, select, textarea { font-size: 16px; }

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #1E40AF;
  --primary-light: #3B82F6;
  --primary-dark: #1e3a8a;
  --accent: #06B6D4;
  --gold: #F59E0B;
  --green: #10B981;
  --red: #EF4444;
  --white: #ffffff;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --gradient: linear-gradient(135deg, #1E40AF 0%, #3B82F6 50%, #06B6D4 100%);
  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #1E40AF 100%);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.1);
  --shadow-md: 0 4px 20px rgba(30,64,175,.15);
  --shadow-lg: 0 10px 40px rgba(30,64,175,.2);
  --radius: 16px;
  --radius-sm: 8px;
}

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

/* ---- SECTION SPACING ---- */
section { padding: 60px 0; }

/* ---- SECTION TITLES ---- */
.section-title {
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 800;
  text-align: center;
  color: var(--primary-dark);
  margin-bottom: 12px;
  line-height: 1.25;
}
.section-subtitle {
  text-align: center;
  color: var(--gray-700);
  font-size: clamp(15px, 2vw, 18px);
  margin-bottom: 48px;
}

/* ===========================
   NAVIGATION
   =========================== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,.97);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow-sm);
  transition: all .3s ease;
}
#navbar.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--primary-dark);
}
.nav-logo img { width: 44px; height: 44px; border-radius: 8px; object-fit: contain; }
.nav-links {
  display: none;
  list-style: none;
  gap: 28px;
}
.nav-links a {
  font-weight: 600;
  font-size: 15px;
  color: var(--gray-700);
  transition: color .2s;
}
.nav-links a:hover { color: var(--primary); }
.nav-cta {
  background: var(--gradient);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px !important;
  font-weight: 700 !important;
  transition: transform .2s, box-shadow .2s;
  white-space: nowrap;
  min-height: 44px;
  display: flex !important;
  align-items: center;
}
.nav-cta:hover { transform: scale(1.05); box-shadow: var(--shadow-md); color: var(--white) !important; }
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: transparent;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary-dark);
  border-radius: 2px;
  transition: all .3s ease;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  position: fixed;
  top: 72px; left: 0; right: 0;
  background: var(--white);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s;
  box-shadow: var(--shadow-md);
  z-index: 999;
}
.mobile-menu.open {
  max-height: 400px;
  padding: 20px;
}
.mobile-menu ul { list-style: none; display: flex; flex-direction: column; gap: 0; }
.mobile-menu ul li a {
  display: block;
  padding: 14px 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 1px solid var(--gray-100);
  transition: color .2s;
}
.mobile-menu ul li a:hover { color: var(--primary); }
.mobile-menu .mob-cta {
  display: block;
  text-align: center;
  background: var(--gradient);
  color: var(--white);
  padding: 14px;
  border-radius: var(--radius);
  font-weight: 700;
  margin-top: 16px;
  min-height: 48px;
  line-height: 1;
}

@media (min-width: 768px) {
  .nav-links { display: flex; }
  .hamburger { display: none; }
  .mobile-menu { display: none; }
}

/* ===========================
   HERO SECTION
   =========================== */
#hero {
  background: var(--gradient-hero);
  padding-top: 100px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  display: flex;
  align-items: center;
}
#hero::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(59,130,246,.15) 0%, transparent 60%),
              radial-gradient(circle at 70% 80%, rgba(6,182,212,.1) 0%, transparent 60%);
  animation: heroGlow 8s ease-in-out infinite alternate;
}
@keyframes heroGlow {
  0% { transform: scale(1) rotate(0deg); }
  100% { transform: scale(1.1) rotate(5deg); }
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}
.hero-image {
  width: min(320px, 90vw);
  position: relative;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 30px 60px rgba(6,182,212,.4));
}
@keyframes heroFloat {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}
.hero-glow {
  position: absolute;
  bottom: -30px; left: 50%;
  transform: translateX(-50%);
  width: 200px; height: 60px;
  background: radial-gradient(ellipse, rgba(6,182,212,.5), transparent 70%);
  border-radius: 50%;
  animation: glowPulse 4s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: .6; transform: translateX(-50%) scaleX(1); }
  50% { opacity: 1; transform: translateX(-50%) scaleX(1.2); }
}
.hero-content { color: var(--white); text-align: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.3);
  color: #93C5FD;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: .5px;
  backdrop-filter: blur(8px);
}
.hero-content h1 {
  font-size: clamp(26px, 5.5vw, 52px);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  text-shadow: 0 2px 20px rgba(0,0,0,.3);
}
.hero-content h1 span { color: #38BDF8; display: block; }
.hero-content p {
  font-size: clamp(15px, 2vw, 18px);
  color: rgba(255,255,255,.85);
  margin-bottom: 16px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  margin: 28px 0;
}
.hero-stat {
  text-align: center;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  padding: 12px 20px;
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  min-width: 100px;
}
.hero-stat .num { font-size: 24px; font-weight: 900; color: #38BDF8; }
.hero-stat .lbl { font-size: 11px; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: .5px; }
.btn-hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  color: var(--white);
  font-size: clamp(16px, 2.5vw, 20px);
  font-weight: 800;
  padding: 18px 40px;
  border-radius: 50px;
  min-height: 56px;
  width: 100%;
  max-width: 440px;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 8px 30px rgba(245,158,11,.4);
  letter-spacing: .3px;
  animation: btnPulse 2.5s ease-in-out infinite;
}
@keyframes btnPulse {
  0%, 100% { box-shadow: 0 8px 30px rgba(245,158,11,.4); }
  50% { box-shadow: 0 8px 50px rgba(245,158,11,.7); }
}
.btn-hero:hover { transform: scale(1.05); color: var(--white); }
.btn-hero:active { transform: scale(0.98); }
.hero-trust {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255,255,255,.6);
}

@media (min-width: 992px) {
  .hero-inner { flex-direction: row; text-align: left; align-items: center; }
  .hero-content { text-align: left; }
  .hero-content h1 { margin-left: 0; margin-right: 0; }
  .hero-content p { margin-left: 0; margin-right: 0; }
  .hero-stats { justify-content: flex-start; }
  .btn-hero { margin: 0; }
  .hero-trust { justify-content: flex-start; }
  .hero-image { width: 420px; flex-shrink: 0; }
}

/* ===========================
   WHY CHOOSE US
   =========================== */
#why {
  background: var(--white);
}
.why-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.why-card {
  background: linear-gradient(135deg, var(--gray-50), var(--white));
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
  opacity: 0;
  transform: translateY(30px);
  will-change: transform;
}
.why-card.visible { opacity: 1; transform: translateY(0); }
.why-card:hover { transform: translateY(-8px) rotate(1deg); box-shadow: var(--shadow-lg); }
.why-card img { width: 80px; height: 80px; object-fit: contain; margin: 0 auto 20px; }
.why-card h3 {
  font-size: 16px;
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.why-card p { font-size: 14px; color: var(--gray-700); line-height: 1.7; }
@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 PROVACYL
   =========================== */
#what {
  background: var(--gray-50);
}
.what-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}
.what-image {
  width: min(320px, 90vw);
  filter: drop-shadow(var(--shadow-md));
  animation: heroFloat 5s ease-in-out infinite;
}
.what-content h2 { font-size: clamp(22px, 4vw, 32px); font-weight: 800; color: var(--primary-dark); margin-bottom: 20px; }
.what-content p { color: var(--gray-700); margin-bottom: 16px; font-size: clamp(15px, 2vw, 17px); }
.what-highlight {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, rgba(30,64,175,.08), rgba(6,182,212,.08));
  border-left: 4px solid var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 20px 0;
  font-weight: 600;
  color: var(--primary-dark);
}
@media (min-width: 992px) {
  .what-inner { flex-direction: row-reverse; }
  .what-content { flex: 1; }
  .what-image { flex-shrink: 0; }
}

/* ===========================
   HOW IT WORKS
   =========================== */
#how {
  background: var(--white);
}
.accordion {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.acc-item {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .3s;
}
.acc-item:hover { box-shadow: var(--shadow-md); }
.acc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  background: var(--white);
  transition: background .2s;
  min-height: 64px;
  user-select: none;
}
.acc-item.active .acc-header { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: var(--white); }
.acc-header-left { display: flex; align-items: center; gap: 16px; }
.acc-num {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--gradient);
  color: var(--white);
  font-weight: 800;
  font-size: 15px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.acc-item.active .acc-num { background: rgba(255,255,255,.25); }
.acc-title { font-weight: 700; font-size: 16px; }
.acc-icon { font-size: 20px; transition: transform .3s; flex-shrink: 0; }
.acc-item.active .acc-icon { transform: rotate(180deg); }
.acc-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.acc-item.active .acc-body { max-height: 400px; }
.acc-body-inner { padding: 20px 24px; color: var(--gray-700); line-height: 1.8; font-size: 15px; border-top: 1px solid var(--gray-100); }

/* ===========================
   CUSTOMER REVIEWS
   =========================== */
#reviews { background: var(--gray-50); }
.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  transition: transform .3s, box-shadow .3s;
  border-top: 4px solid var(--primary-light);
}
.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.review-top { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.review-avatar { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 3px solid var(--primary-light); }
.review-name { font-weight: 700; color: var(--primary-dark); font-size: 16px; }
.review-loc { font-size: 13px; color: #64748b; }
.review-stars { color: #F59E0B; font-size: 20px; margin-bottom: 12px; }
.review-text { color: var(--gray-700); font-size: 15px; line-height: 1.7; font-style: italic; }
@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
   =========================== */
#pricing, #pricing2 { background: var(--gradient-hero); }
#pricing .section-title, #pricing .section-subtitle,
#pricing2 .section-title, #pricing2 .section-subtitle { color: var(--white); }

.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label { font-size: 14px; color: rgba(255,255,255,.7); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; font-weight: 600; }
.countdown {
  display: inline-flex;
  gap: 12px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radius);
  padding: 16px 28px;
  backdrop-filter: blur(8px);
}
.time-block { text-align: center; }
.time-num {
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 900;
  color: #38BDF8;
  line-height: 1;
  min-width: 2ch;
  display: block;
  text-shadow: 0 0 20px rgba(56,189,248,.5);
}
.time-sep { font-size: 40px; font-weight: 900; color: rgba(255,255,255,.5); align-self: flex-start; padding-top: 4px; }
.time-label { font-size: 11px; color: rgba(255,255,255,.5); text-transform: uppercase; letter-spacing: .5px; }

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 1100px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--white);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  transition: transform .3s;
}
.pricing-card:hover { transform: translateY(-8px); }
.pricing-card.popular {
  background: linear-gradient(135deg, #fff9f0, var(--white));
  border: 3px solid var(--gold);
  transform: scale(1.02);
}
.pricing-card.popular:hover { transform: scale(1.02) translateY(-8px); }
.popular-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--gold), #f97316);
  color: var(--white);
  font-size: 12px;
  font-weight: 800;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.pricing-label {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}
.pricing-qty { font-size: 22px; font-weight: 900; color: var(--primary-dark); margin-bottom: 4px; }
.pricing-supply { font-size: 13px; color: #64748b; margin-bottom: 20px; }
.pricing-img { width: 140px; margin: 0 auto 20px; }
.pricing-per {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 900;
  color: var(--primary-dark);
  margin-bottom: 4px;
}
.pricing-per small { font-size: 16px; color: #64748b; font-weight: 400; }
.pricing-total {
  margin-bottom: 8px;
  font-size: 15px;
  color: #64748b;
}
.pricing-total .orig { text-decoration: line-through; color: var(--red); }
.pricing-total .disc { font-weight: 800; color: var(--green); font-size: 17px; margin-left: 8px; }
.pricing-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin: 12px 0; }
.pricing-tag {
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  text-transform: uppercase;
  letter-spacing: .5px;
}
.pricing-tag.green { background: rgba(16,185,129,.12); color: var(--green); }
.pricing-tag.blue { background: rgba(59,130,246,.12); color: var(--primary-light); }
.btn-order {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  color: var(--white);
  font-weight: 800;
  font-size: 16px;
  padding: 16px 24px;
  border-radius: 50px;
  min-height: 52px;
  width: 100%;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 6px 20px rgba(245,158,11,.35);
  cursor: pointer;
  border: none;
}
.btn-order:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(245,158,11,.5); color: var(--white); }
.btn-order:active { transform: scale(0.98); }
.pricing-payment { display: flex; flex-direction: column; align-items: center; gap: 6px; margin-top: 16px; }
.pricing-payment img { max-width: 200px; }
.pricing-payment .sec-text { font-size: 11px; color: #94a3b8; }
.pricing-stars { max-width: 200px; margin: 40px auto 0; }
@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 { background: var(--white); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  max-width: 860px;
  margin: 0 auto;
}
.bonus-card {
  background: linear-gradient(135deg, #f0f4ff, var(--white));
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
  position: relative;
  overflow: hidden;
}
.bonus-card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(59,130,246,.05) 0%, transparent 60%);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-num {
  display: inline-block;
  background: var(--gradient);
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  padding: 4px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.bonus-img { width: min(200px, 60vw); margin: 0 auto 20px; }
.bonus-card h3 { font-size: 20px; font-weight: 800; color: var(--primary-dark); margin-bottom: 12px; }
.bonus-card p { color: var(--gray-700); font-size: 15px; line-height: 1.7; }
.bonus-value {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 15px;
  font-weight: 700;
}
.bonus-value .orig-val { text-decoration: line-through; color: var(--red); }
.bonus-value .free-val { color: var(--green); font-size: 18px; }
@media (min-width: 768px) { .bonus-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===========================
   INGREDIENTS
   =========================== */
#ingredients { background: var(--gray-50); }
.ing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.ing-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  border-left: 4px solid var(--primary-light);
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
}
.ing-card:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.ing-card h3 { font-size: 17px; font-weight: 800; color: var(--primary-dark); margin-bottom: 8px; }
.ing-card p { color: var(--gray-700); font-size: 14px; line-height: 1.7; }
.ing-benefit { display: inline-flex; align-items: center; gap: 4px; background: rgba(16,185,129,.1); color: var(--green); font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 50px; margin-top: 8px; }
@media (min-width: 576px) { .ing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 992px) { .ing-grid { grid-template-columns: repeat(3, 1fr); } }

/* ===========================
   SCIENTIFIC EVIDENCE
   =========================== */
#science { background: var(--white); }
.science-accordion { max-width: 900px; margin: 0 auto; }
.sci-item { border: 1px solid var(--gray-200); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
.sci-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  min-height: 60px;
  background: var(--gray-50);
  transition: background .2s;
  user-select: none;
}
.sci-header:hover, .sci-item.active .sci-header { background: linear-gradient(135deg, rgba(30,64,175,.05), rgba(6,182,212,.05)); }
.sci-header h3 { font-size: 15px; font-weight: 700; color: var(--primary-dark); }
.sci-icon { transition: transform .3s; font-size: 18px; flex-shrink: 0; }
.sci-item.active .sci-icon { transform: rotate(180deg); }
.sci-body { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.sci-item.active .sci-body { max-height: 500px; }
.sci-body-inner { padding: 20px 22px; color: var(--gray-700); font-size: 14px; line-height: 1.8; border-top: 1px solid var(--gray-100); }
.sci-body-inner cite { font-size: 12px; color: #94a3b8; display: block; margin-top: 8px; }

/* ===========================
   MONEY BACK GUARANTEE
   =========================== */
#guarantee { background: linear-gradient(135deg, #f0f4ff, #e8f4ff); }
.guarantee-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
.guarantee-img { width: min(280px, 80vw); }
.guarantee-content h2 { font-size: clamp(22px, 4vw, 32px); font-weight: 800; color: var(--primary-dark); margin-bottom: 24px; }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; }
.gp-item { display: flex; align-items: flex-start; gap: 16px; background: var(--white); padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.gp-icon { font-size: 28px; flex-shrink: 0; }
.gp-item h4 { font-size: 16px; font-weight: 700; color: var(--primary-dark); margin-bottom: 6px; }
.gp-item p { font-size: 14px; color: var(--gray-700); line-height: 1.7; }
@media (min-width: 992px) { .guarantee-inner { flex-direction: row; } .guarantee-img { flex-shrink: 0; } .guarantee-content { flex: 1; } }

/* ===========================
   BENEFITS
   =========================== */
#benefits { background: var(--gray-50); }
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto;
}
.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: var(--white);
  padding: 20px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: transform .2s, box-shadow .2s;
  border-right: 4px solid transparent;
}
.benefit-item:hover { transform: translateX(-4px); box-shadow: var(--shadow-md); border-right-color: var(--primary-light); }
.benefit-icon { font-size: 28px; flex-shrink: 0; }
.benefit-text h4 { font-weight: 700; color: var(--primary-dark); margin-bottom: 4px; font-size: 16px; }
.benefit-text p { font-size: 14px; color: var(--gray-700); line-height: 1.6; }
@media (min-width: 768px) { .benefits-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===========================
   FAQ
   =========================== */
#faq { background: var(--white); }
.faq-wrap { max-width: 840px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--gray-200); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  color: var(--primary-dark);
  background: var(--white);
  min-height: 64px;
  transition: background .2s;
  user-select: none;
  gap: 12px;
}
.faq-q:hover { background: var(--gray-50); }
.faq-item.open .faq-q { background: linear-gradient(135deg, var(--primary), var(--primary-light)); color: var(--white); }
.faq-arrow { transition: transform .3s; font-size: 18px; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease; }
.faq-item.open .faq-a { max-height: 300px; }
.faq-a-inner { padding: 20px 24px; color: var(--gray-700); font-size: 15px; line-height: 1.8; border-top: 1px solid var(--gray-100); }

/* ===========================
   FINAL CTA
   =========================== */
#final-cta {
  background: var(--gradient-hero);
  text-align: center;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}
#final-cta::before {
  content: '';
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='20'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.final-cta-inner { position: relative; z-index: 2; }
.final-cta-img { width: min(300px, 80vw); margin: 0 auto 32px; filter: drop-shadow(0 20px 40px rgba(6,182,212,.4)); animation: heroFloat 4s ease-in-out infinite; }
.final-cta-inner h2 { font-size: clamp(24px, 4vw, 40px); font-weight: 900; color: var(--white); margin-bottom: 20px; max-width: 700px; margin-left: auto; margin-right: auto; line-height: 1.2; }
.final-price { margin-bottom: 32px; }
.final-price .orig-p { color: rgba(255,255,255,.5); text-decoration: line-through; font-size: 20px; }
.final-price .new-p { color: #38BDF8; font-size: clamp(28px, 5vw, 48px); font-weight: 900; display: block; }
.btn-final {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #F59E0B, #EF4444);
  color: var(--white);
  font-size: clamp(18px, 3vw, 24px);
  font-weight: 800;
  padding: 20px 48px;
  border-radius: 50px;
  min-height: 60px;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 10px 40px rgba(245,158,11,.5);
  animation: btnPulse 2.5s ease-in-out infinite;
}
.btn-final:hover { transform: scale(1.05); color: var(--white); }
.btn-final:active { transform: scale(0.98); }

/* ===========================
   FOOTER
   =========================== */
footer {
  background: var(--gray-900);
  color: rgba(255,255,255,.7);
  padding: 48px 0 28px;
}
.footer-top { display: flex; flex-direction: column; gap: 32px; margin-bottom: 40px; align-items: center; text-align: center; }
.footer-brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--white); justify-content: center; }
.footer-brand img { width: 40px; height: 40px; border-radius: 8px; }
.footer-disclaimer { font-size: 12px; line-height: 1.8; color: rgba(255,255,255,.45); max-width: 700px; margin: 0 auto; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 20px; justify-content: center; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,.6); transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,.3); }
.footer-social { display: flex; gap: 12px; justify-content: center; }
.social-btn {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  transition: background .2s, color .2s;
  text-decoration: none;
}
.social-btn:hover { background: var(--primary-light); color: var(--white); }
.footer-copy { text-align: center; font-size: 12px; color: rgba(255,255,255,.35); padding-top: 24px; border-top: 1px solid rgba(255,255,255,.08); }

/* ===========================
   SCROLL TO TOP
   =========================== */
#scrollTop {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 56px; height: 56px;
  background: var(--gradient);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 22px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s, transform .3s;
  z-index: 990;
}
#scrollTop.visible { opacity: 1; pointer-events: all; }
#scrollTop:hover { transform: scale(1.1); }
#scrollTop:active { transform: scale(0.95); }

/* ===========================
   NOTIFICATION POPUP
   =========================== */
#notification {
  position: fixed;
  bottom: 24px; left: 16px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 14px 18px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 320px;
  width: calc(100vw - 32px);
  transform: translateX(-110%);
  transition: transform .4s cubic-bezier(0.34,1.56,0.64,1);
  z-index: 980;
}
#notification.show { transform: translateX(0); }
.notif-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: var(--white); font-weight: 800; font-size: 18px; flex-shrink: 0; }
.notif-text { flex: 1; }
.notif-name { font-weight: 700; font-size: 14px; color: var(--primary-dark); }
.notif-msg { font-size: 12px; color: var(--gray-700); margin-top: 2px; }
.notif-time { font-size: 11px; color: #94a3b8; margin-top: 2px; }
.notif-close { background: none; border: none; cursor: pointer; color: #94a3b8; font-size: 18px; flex-shrink: 0; min-width: 24px; min-height: 24px; display: flex; align-items: center; justify-content: center; }

/* ===========================
   EXIT INTENT / POPUP
   =========================== */
#exitPopup {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.7);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
}
#exitPopup.show { opacity: 1; pointer-events: all; }
.popup-box {
  background: var(--white);
  border-radius: 20px;
  padding: 40px 32px;
  max-width: 500px;
  width: 100%;
  text-align: center;
  position: relative;
  animation: popupIn .4s cubic-bezier(0.34,1.56,0.64,1);
  box-shadow: 0 30px 80px rgba(0,0,0,.3);
}
@keyframes popupIn {
  from { transform: scale(.8) translateY(20px); opacity: 0; }
  to { transform: scale(1) translateY(0); opacity: 1; }
}
.popup-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #94a3b8;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: background .2s;
  text-decoration: none;
}
.popup-close:hover { background: var(--gray-100); }
.popup-box h3 { font-size: clamp(20px, 4vw, 26px); font-weight: 900; color: var(--primary-dark); margin-bottom: 12px; }
.popup-box p { color: var(--gray-700); margin-bottom: 8px; }
.popup-discount { font-size: clamp(30px, 6vw, 48px); font-weight: 900; color: var(--red); margin: 16px 0; }
.popup-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gold), var(--red));
  color: var(--white);
  font-weight: 800;
  font-size: 18px;
  padding: 16px 32px;
  border-radius: 50px;
  min-height: 56px;
  width: 100%;
  transition: transform .2s;
}
.popup-btn:hover { transform: scale(1.05); color: var(--white); }

/* Mobile: small banner style popup */
@media (max-width: 576px) {
  .popup-box { padding: 28px 20px; }
}

/* ===========================
   ANIMATIONS & UTILITIES
   =========================== */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

.stagger-1 { transition-delay: .1s; }
.stagger-2 { transition-delay: .2s; }
.stagger-3 { transition-delay: .3s; }
.stagger-4 { transition-delay: .4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  .hero-image { animation: none; }
  .btn-hero { animation: none; }
}

/* ===========================
   MOBILE TOUCH FEEDBACK
   =========================== */
@media (max-width: 767px) {
  a, button { touch-action: manipulation; }
  .btn-hero:active, .btn-order:active, .btn-final:active { transform: scale(0.97); }
}