/* ===========================
   MemoPryl - styles.css
   Design: Medical Professional + Premium Hybrid
   Fonts: Montserrat (headings), Open Sans (body)
=========================== */

@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: #1a3a6e;
  --primary-light: #2563EB;
  --accent: #0ea5e9;
  --accent2: #10b981;
  --gold: #f59e0b;
  --danger: #ef4444;
  --white: #ffffff;
  --light-bg: #f0f7ff;
  --gray-100: #f8fafc;
  --gray-200: #e2e8f0;
  --gray-600: #475569;
  --gray-800: #1e293b;
  --text: #1e293b;
  --text-muted: #64748b;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(26,58,110,0.10);
  --shadow-lg: 0 12px 48px rgba(26,58,110,0.18);
  --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);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
input, select, textarea { font-size: 16px; }

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,h5,h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: clamp(26px, 5vw, 52px); }
h2 { font-size: clamp(22px, 3.5vw, 38px); }
h3 { font-size: clamp(18px, 2.5vw, 26px); }
h4 { font-size: clamp(16px, 2vw, 20px); }
p { font-size: clamp(15px, 1.5vw, 17px); line-height: 1.75; }

/* ===== CONTAINER ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 768px) { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 40px; } }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 14px 32px;
  min-height: 52px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent2) 0%, #059669 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(16,185,129,0.35);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(16,185,129,0.45); }
.btn-primary:active { transform: scale(0.98); }
.btn-full { width: 100%; }
.btn-xl { font-size: 18px; padding: 18px 40px; min-height: 60px; }
.btn-pulse {
  animation: pulseCTA 2s infinite;
}
@keyframes pulseCTA {
  0%,100% { box-shadow: 0 4px 20px rgba(16,185,129,0.35); }
  50% { box-shadow: 0 8px 40px rgba(16,185,129,0.65); }
}

/* ===== SECTION COMMON ===== */
.section { padding: 64px 0; }
.section-alt { background: var(--light-bg); }
.section-dark { background: var(--primary); color: var(--white); }
.section-title {
  text-align: center;
  margin-bottom: 12px;
  color: var(--primary);
}
.section-dark .section-title { color: var(--white); }
.section-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 17px;
  margin-bottom: 48px;
}
.section-dark .section-sub { color: rgba(255,255,255,0.8); }
.divider {
  width: 64px; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  border-radius: 2px;
  margin: 12px auto 40px;
}

/* Fade-in on scroll */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ========================
   SECTION 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);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(26,58,110,0.08);
  transition: var(--transition);
}
#navbar.scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 4px 24px rgba(26,58,110,0.14);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--primary);
}
.nav-logo img { width: 40px; height: 40px; border-radius: 8px; object-fit: contain; }
.nav-logo span { color: var(--accent); }
.nav-links {
  display: none;
  align-items: center;
  gap: 32px;
}
.nav-links a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--gray-600);
  transition: color 0.2s;
  letter-spacing: 0.3px;
}
.nav-links a:hover { color: var(--primary); }
.nav-cta { display: none; }
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px; height: 20px;
  cursor: pointer;
  z-index: 1100;
}
.hamburger span {
  display: block; height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 8px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -8px); }

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  top: 68px; left: 0; right: 0;
  background: var(--white);
  box-shadow: 0 8px 32px rgba(26,58,110,0.12);
  transform: translateY(-110%);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
  z-index: 999;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-nav.open { transform: translateY(0); }
.mobile-nav a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 16px;
  color: var(--primary);
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  display: block;
  min-height: 48px;
  display: flex;
  align-items: center;
}
.mobile-nav a:hover { background: var(--light-bg); }
.mobile-nav .btn { margin-top: 8px; width: 100%; }

@media (min-width: 768px) {
  .hamburger { display: none; }
  .mobile-nav { display: none !important; }
  .nav-links { display: flex; }
  .nav-cta { display: flex; }
  .nav-inner { height: 72px; }
}

/* ========================
   SECTION 2: HERO
======================== */
#hero {
  padding-top: 88px;
  min-height: 100vh;
  background: linear-gradient(135deg, #e8f4fd 0%, #f0f9ff 50%, #ecfdf5 100%);
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}
#hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -80px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(14,165,233,0.12) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
#hero::after {
  content: '';
  position: absolute;
  bottom: -60px; left: -60px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(16,185,129,0.10) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  padding: 40px 0 60px;
}
.hero-img-wrap {
  position: relative;
  flex-shrink: 0;
  display: flex;
  justify-content: center;
}
.hero-img-wrap img {
  max-width: 280px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(26,58,110,0.22));
  animation: heroFloat 4s ease-in-out infinite;
}
@keyframes heroFloat {
  0%,100% { transform: translateY(0px) rotate(-1deg); }
  50% { transform: translateY(-18px) rotate(1deg); }
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(16,185,129,0.12);
  border: 1.5px solid rgba(16,185,129,0.3);
  color: #059669;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.hero-content { max-width: 600px; text-align: center; }
.hero-content h1 {
  color: var(--primary);
  margin-bottom: 20px;
  font-size: clamp(26px, 5vw, 50px);
  line-height: 1.15;
}
.hero-content h1 span { color: var(--accent); }
.hero-content p {
  color: var(--gray-600);
  margin-bottom: 16px;
}
.hero-stars {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}
.hero-stars .stars { color: var(--gold); font-size: 20px; letter-spacing: 2px; }
.hero-stars span { font-weight: 600; font-size: 14px; color: var(--gray-600); }
.hero-cta-group { display: flex; flex-direction: column; align-items: center; gap: 12px; }
.hero-guarantee {
  font-size: 13px;
  color: var(--text-muted);
  display: flex; align-items: center; gap: 6px;
}
.hero-guarantee svg { color: var(--accent2); }

@media (min-width: 768px) {
  .hero-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 60px;
    padding: 60px 0;
  }
  .hero-img-wrap { order: -1; }
  .hero-img-wrap img { max-width: 380px; }
  .hero-content { text-align: left; }
  .hero-stars { justify-content: flex-start; }
  .hero-cta-group { align-items: flex-start; flex-direction: row; }
}
@media (min-width: 1024px) {
  .hero-img-wrap img { max-width: 460px; }
}

/* ========================
   SECTION 3: WHY CHOOSE
======================== */
#why-choose { background: var(--white); }
.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
.trust-card {
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.trust-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}
.trust-card img {
  width: 80px; height: 80px;
  object-fit: contain;
  margin: 0 auto 16px;
}
.trust-card h3 {
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.trust-card p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

@media (min-width: 576px) { .trust-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 1024px) { .trust-grid { grid-template-columns: repeat(4,1fr); } }

/* ========================
   SECTION 4: WHAT IS
======================== */
#what-is { background: var(--light-bg); }
.what-inner {
  display: flex;
  flex-direction: column;
  gap: 40px;
  align-items: center;
}
.what-img {
  max-width: 340px;
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
}
.what-content h2 { color: var(--primary); margin-bottom: 16px; }
.what-content p { color: var(--gray-600); margin-bottom: 16px; }
@media (min-width: 768px) {
  .what-inner { flex-direction: row; gap: 64px; }
  .what-img { max-width: 420px; }
}

/* ========================
   SECTION 5: HOW IT WORKS
======================== */
#how-it-works { background: var(--white); }
.accordion-list { max-width: 800px; margin: 0 auto; }
.accordion-item {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.accordion-item:hover { border-color: var(--accent); }
.accordion-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  background: var(--white);
  min-height: 56px;
  gap: 12px;
  user-select: none;
}
.accordion-header h3 {
  font-size: 16px;
  color: var(--primary);
  display: flex; align-items: center; gap: 12px;
}
.accordion-icon {
  width: 36px; height: 36px;
  background: var(--light-bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; flex-shrink: 0;
}
.accordion-arrow {
  font-size: 18px;
  color: var(--accent);
  transition: transform 0.3s;
  flex-shrink: 0;
}
.accordion-item.open .accordion-arrow { transform: rotate(180deg); }
.accordion-item.open .accordion-header { background: var(--light-bg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  padding: 0 24px;
}
.accordion-item.open .accordion-body {
  max-height: 400px;
  padding: 0 24px 20px;
}
.accordion-body p { color: var(--gray-600); font-size: 15px; line-height: 1.75; }

/* ========================
   SECTION 6: REVIEWS
======================== */
#reviews { background: var(--light-bg); }
.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);
  border: 1.5px solid var(--gray-200);
  transition: var(--transition);
}
.review-card:hover { transform: translateY(-4px); 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(--accent);
  flex-shrink: 0;
}
.review-info h4 { font-size: 16px; color: var(--primary); margin-bottom: 2px; }
.review-info span { font-size: 13px; color: var(--text-muted); }
.review-stars { color: var(--gold); font-size: 17px; letter-spacing: 1px; margin-bottom: 12px; }
.review-text { font-size: 15px; color: var(--gray-600); 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); } }

/* ========================
   SECTION 7 & 13: PRICING
======================== */
.pricing-section { background: var(--primary); color: var(--white); padding: 80px 0; }
.pricing-section .section-title { color: var(--white); }
.pricing-section .section-sub { color: rgba(255,255,255,0.8); }
.pricing-section .divider { background: linear-gradient(90deg, var(--gold), var(--accent)); }

/* Countdown timer */
.countdown-wrap {
  text-align: center;
  margin-bottom: 48px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 12px;
}
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  padding: 16px 28px;
}
.countdown-unit { text-align: center; }
.countdown-num {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  display: block;
  min-width: 60px;
}
.countdown-lbl {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.countdown-sep {
  font-family: 'Montserrat', sans-serif;
  font-size: 40px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  align-self: flex-start;
  margin-top: 4px;
}

/* Pricing cards */
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}
.pricing-card:hover { transform: translateY(-6px); }
.pricing-card.popular {
  background: linear-gradient(135deg, #1a3a6e 0%, #1e40af 100%);
  color: var(--white);
  transform: scale(1.03);
  border: 3px solid var(--gold);
}
.pricing-card.popular:hover { transform: scale(1.03) translateY(-6px); }
.pricing-badge {
  position: absolute;
  top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gold);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 5px 18px;
  border-radius: 50px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.pricing-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
  margin-bottom: 4px;
}
.popular .pricing-label { color: var(--gold); }
.pricing-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 4px;
}
.popular .pricing-bottles { color: var(--white); }
.pricing-supply {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.popular .pricing-supply { color: rgba(255,255,255,0.7); }
.pricing-img {
  width: 100px; height: 120px;
  object-fit: contain;
  margin: 0 auto 16px;
}
.pricing-per {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 40px;
  color: var(--primary);
  line-height: 1;
}
.popular .pricing-per { color: var(--white); }
.pricing-per small { font-size: 16px; font-weight: 600; }
.pricing-total {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.popular .pricing-total { color: rgba(255,255,255,0.7); }
.pricing-total s { color: var(--danger); }
.popular .pricing-total s { color: #fca5a5; }
.pricing-bonus-tags {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  margin-bottom: 16px;
}
.p-tag {
  display: inline-flex; align-items: center; gap: 4px;
  font-family: 'Montserrat', sans-serif;
  font-size: 11px; font-weight: 700;
  padding: 4px 12px; border-radius: 50px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
.p-tag-green { background: rgba(16,185,129,0.12); color: #059669; }
.p-tag-blue { background: rgba(14,165,233,0.12); color: #0284c7; }
.popular .p-tag-green { background: rgba(16,185,129,0.2); color: #6ee7b7; }
.popular .p-tag-blue { background: rgba(255,255,255,0.15); color: #bae6fd; }
.pricing-btn { margin-bottom: 16px; }
.payment-img {
  height: 28px;
  object-fit: contain;
  margin: 0 auto;
  opacity: 0.7;
}
.atc-img { height: 52px; object-fit: contain; margin: 0 auto 10px; }
@media (min-width: 576px) { .pricing-grid { grid-template-columns: repeat(2,1fr); } }
@media (min-width: 992px) { .pricing-grid { grid-template-columns: repeat(3,1fr); } }

/* 5-star image */
.five-star-wrap { text-align: center; margin-top: 40px; }
.five-star-wrap img { max-width: 200px; margin: 0 auto; }

/* ========================
   SECTION 8: BONUS
======================== */
#bonus { background: var(--white); }
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  max-width: 800px;
  margin: 0 auto;
}
.bonus-card {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 1.5px solid var(--gray-200);
  transition: var(--transition);
}
.bonus-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.bonus-card img {
  max-width: 160px; margin: 0 auto 20px;
  border-radius: var(--radius-sm);
}
.bonus-card .bonus-num {
  display: inline-block;
  background: var(--gold);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 50px;
  margin-bottom: 10px;
}
.bonus-card h3 { color: var(--primary); margin-bottom: 8px; }
.bonus-card p { font-size: 14px; color: var(--text-muted); }
@media (min-width: 768px) { .bonus-grid { grid-template-columns: repeat(2,1fr); } }

/* ========================
   SECTION 9: INGREDIENTS
======================== */
#ingredients { background: var(--light-bg); }
.ingredients-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.ingredient-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px 24px;
  border-left: 4px solid var(--accent);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.ingredient-card:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }
.ingredient-card h4 {
  color: var(--primary); margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px; font-size: 17px;
}
.ingredient-card p { font-size: 14px; color: var(--gray-600); line-height: 1.65; }
.ing-badge {
  display: inline-block;
  background: var(--light-bg);
  color: var(--accent);
  font-size: 11px; font-weight: 700;
  padding: 2px 10px; border-radius: 50px;
  text-transform: uppercase; letter-spacing: 0.5px;
}
@media (min-width: 768px) { .ingredients-grid { grid-template-columns: repeat(2,1fr); } }

/* ========================
   SECTION 10: SCIENCE
======================== */
#science { background: var(--white); }
.science-list { max-width: 860px; margin: 0 auto; }
.science-item {
  background: var(--light-bg);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-bottom: 16px;
  border: 1.5px solid var(--gray-200);
}
.science-item h4 {
  color: var(--primary);
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 10px;
}
.sci-num {
  width: 30px; height: 30px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.science-item p { font-size: 14px; color: var(--gray-600); line-height: 1.7; }

/* ========================
   SECTION 11: GUARANTEE
======================== */
#guarantee { background: var(--light-bg); }
.guarantee-inner {
  display: flex; flex-direction: column;
  align-items: center; gap: 40px;
}
.guarantee-img { max-width: 260px; width: 100%; }
.guarantee-content h2 { color: var(--primary); margin-bottom: 16px; }
.guarantee-point {
  display: flex; gap: 16px;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
}
.gp-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: var(--light-bg);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.gp-title { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.gp-text { font-size: 14px; color: var(--gray-600); }
@media (min-width: 768px) {
  .guarantee-inner { flex-direction: row; gap: 64px; }
  .guarantee-img { max-width: 320px; flex-shrink: 0; }
}

/* ========================
   SECTION 12: BENEFITS
======================== */
#benefits { background: var(--primary); color: var(--white); }
#benefits .section-title { color: var(--white); }
#benefits .divider { background: linear-gradient(90deg, var(--gold), var(--accent)); }
.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: rgba(255,255,255,0.07);
  border-radius: var(--radius);
  padding: 20px 24px;
  border: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}
.benefit-item:hover { background: rgba(255,255,255,0.12); }
.benefit-icon {
  font-size: 28px; flex-shrink: 0;
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.1);
  border-radius: 12px;
}
.benefit-text h4 { color: var(--white); margin-bottom: 4px; }
.benefit-text p { font-size: 14px; color: rgba(255,255,255,0.75); }
@media (min-width: 768px) { .benefits-grid { grid-template-columns: repeat(2,1fr); } }

/* ========================
   SECTION 14: FAQ
======================== */
#faq { background: var(--white); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  min-height: 56px;
  gap: 12px;
  background: var(--white);
  user-select: none;
}
.faq-question h4 { font-size: 16px; color: var(--primary); }
.faq-arrow { font-size: 18px; color: var(--accent); transition: transform 0.3s; flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-item.open .faq-question { background: var(--light-bg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s;
  padding: 0 24px;
}
.faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-answer p { font-size: 15px; color: var(--gray-600); line-height: 1.75; }

/* ========================
   SECTION 15: FINAL CTA
======================== */
#final-cta {
  background: linear-gradient(135deg, #e8f4fd 0%, #ecfdf5 100%);
  padding: 80px 0;
  text-align: center;
  overflow: hidden;
  position: relative;
}
.final-cta-inner {
  display: flex; flex-direction: column;
  align-items: center; gap: 32px;
}
.final-cta-img {
  max-width: 300px; width: 100%;
  animation: finalFloat 5s ease-in-out infinite;
  filter: drop-shadow(0 20px 50px rgba(26,58,110,0.2));
}
@keyframes finalFloat {
  0%,100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-14px) scale(1.02); }
}
.final-cta-content h2 {
  color: var(--primary); font-size: clamp(24px, 4vw, 42px);
  margin-bottom: 16px; line-height: 1.2;
}
.final-price {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  margin-bottom: 28px;
}
.final-old { font-size: 22px; color: var(--text-muted); text-decoration: line-through; }
.final-new {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 40px;
  color: var(--accent2);
}
@media (min-width: 768px) {
  .final-cta-inner { flex-direction: row; gap: 60px; align-items: center; }
  .final-cta-content { text-align: left; }
  .final-price { justify-content: flex-start; }
}

/* ========================
   SECTION 16: FOOTER
======================== */
footer {
  background: var(--gray-800);
  color: rgba(255,255,255,0.75);
  padding: 48px 0 24px;
}
.footer-inner {
  display: flex; flex-direction: column;
  gap: 32px; margin-bottom: 32px;
  align-items: center; text-align: center;
}
.footer-logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--white);
}
.footer-logo span { color: var(--accent); }
.footer-logo p { font-size: 13px; color: rgba(255,255,255,0.5); font-weight: 400; margin-top: 6px; }
.footer-links {
  display: flex; flex-wrap: wrap;
  justify-content: center; gap: 8px 20px;
}
.footer-links a {
  font-size: 14px; color: rgba(255,255,255,0.65);
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--accent); }
.link-sep { color: rgba(255,255,255,0.25); }
.social-icons { display: flex; gap: 12px; justify-content: center; }
.social-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 17px; transition: var(--transition);
  color: var(--white);
}
.social-icon:hover { background: var(--accent); transform: translateY(-2px); }
.footer-disclaimer {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  max-width: 800px; margin: 0 auto 24px;
  line-height: 1.6; text-align: center;
}
.footer-copy {
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 20px;
}
@media (min-width: 768px) { .footer-inner { flex-direction: row; justify-content: space-between; text-align: left; } }

/* ========================
   POPUP
======================== */
.exit-popup-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity 0.35s;
}
.exit-popup-overlay.show { opacity: 1; pointer-events: all; }
.exit-popup {
  background: var(--white);
  border-radius: var(--radius);
  max-width: 520px; width: 100%;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.3);
  position: relative;
  transform: scale(0.85);
  transition: transform 0.35s cubic-bezier(0.4,0,0.2,1);
}
.exit-popup-overlay.show .exit-popup { transform: scale(1); }
.popup-header {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  padding: 20px 24px;
  text-align: center;
  color: var(--white);
}
.popup-header h3 { font-size: 22px; margin-bottom: 4px; }
.popup-header p { font-size: 14px; opacity: 0.85; }
.popup-body { padding: 28px 24px; text-align: center; }
.popup-body p { color: var(--gray-600); margin-bottom: 20px; }
.popup-close-btn {
  position: absolute; top: 12px; right: 14px;
  font-size: 24px; cursor: pointer;
  color: rgba(255,255,255,0.7);
  background: none; border: none;
  line-height: 1;
  transition: color 0.2s;
  min-width: 44px; min-height: 44px;
  display: flex; align-items: center; justify-content: center;
}
.popup-close-btn:hover { color: var(--white); }

/* Mobile: bottom banner popup */
@media (max-width: 575px) {
  .exit-popup-overlay { align-items: flex-end; padding: 0; }
  .exit-popup {
    border-radius: var(--radius) var(--radius) 0 0;
    max-width: 100%;
  }
}

/* ========================
   PURCHASE NOTIFICATION
======================== */
.notif-popup {
  position: fixed;
  bottom: 80px; left: 16px;
  background: var(--white);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  padding: 14px 16px;
  display: flex; align-items: center; gap: 12px;
  max-width: 300px;
  z-index: 1500;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
  border-left: 4px solid var(--accent2);
}
.notif-popup.show { transform: translateX(0); }
.notif-icon { font-size: 28px; }
.notif-text strong { display: block; font-size: 13px; color: var(--primary); }
.notif-text span { font-size: 12px; color: var(--text-muted); }

/* ========================
   SCROLL TO TOP
======================== */
#scrollTop {
  position: fixed;
  bottom: 24px; right: 20px;
  width: 52px; height: 52px;
  background: var(--primary);
  color: var(--white);
  border: none; border-radius: 50%;
  font-size: 20px; cursor: pointer;
  box-shadow: 0 4px 20px rgba(26,58,110,0.35);
  display: flex; align-items: center; justify-content: center;
  z-index: 1500;
  opacity: 0; pointer-events: none;
  transition: var(--transition);
  transform: translateY(8px);
}
#scrollTop.show { opacity: 1; pointer-events: all; transform: translateY(0); }
#scrollTop:hover { background: var(--primary-light); transform: translateY(-2px); }

/* ========================
   REDUCED MOTION
======================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition-duration: 0.01ms !important; }
  .fade-up { opacity: 1 !important; transform: none !important; }
}