/* ============================================
   REGENVIVE™ - Medical Professional Theme
   Colors: #1E40AF (Deep Blue), #3B82F6 (Blue), #93C5FD (Light Blue), White
   Fonts: Merriweather + Source Sans 3
   ============================================ */

:root {
  --blue-deep: #1E40AF;
  --blue: #3B82F6;
  --blue-light: #93C5FD;
  --blue-pale: #DBEAFE;
  --blue-bg: #EFF6FF;
  --white: #FFFFFF;
  --off-white: #F8FAFC;
  --text: #1E293B;
  --text-light: #475569;
  --text-muted: #64748B;
  --green: #059669;
  --green-light: #D1FAE5;
  --red: #DC2626;
  --red-light: #FEE2E2;
  --gold: #D97706;
  --font-display: 'Merriweather', Georgia, serif;
  --font-body: 'Source Sans 3', 'Segoe UI', sans-serif;
  --container: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 4px 16px rgba(30,64,175,0.06);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.05), 0 12px 40px rgba(30,64,175,0.1);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 8px 24px rgba(30,64,175,0.07);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; -ms-text-size-adjust: 100%; scroll-behavior: smooth; font-size: 16px; }
* { -webkit-tap-highlight-color: transparent; }

body {
  font-family: var(--font-body);
  background: var(--white);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding-left: 20px; padding-right: 20px; width: 100%; }
.accent { color: var(--blue); }
.section-title {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
  line-height: 1.35;
  color: var(--text);
}
.section-title.left { text-align: left; }
.section-desc {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 40px;
  color: var(--text-light);
  font-size: 16px;
  line-height: 1.7;
}

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

/* FADE-IN */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* BUTTONS */
.btn {
  display: inline-flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 16px 32px; border-radius: var(--radius); font-family: var(--font-body);
  font-weight: 700; font-size: 16px; cursor: pointer; border: none; text-align: center;
  min-height: 48px; transition: transform var(--transition), box-shadow var(--transition);
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  color: var(--white);
  box-shadow: 0 4px 16px rgba(30,64,175,0.3);
}
.btn-primary:hover { transform: scale(1.03); box-shadow: 0 6px 24px rgba(30,64,175,0.4); }
.btn-main { font-size: 17px; font-weight: 800; }
.btn-sub { font-size: 13px; font-weight: 400; opacity: 0.85; margin-top: 4px; }
.cta-center { text-align: center; margin-top: 40px; }

/* === NAVIGATION === */
.nav-header {
  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);
  border-bottom: 1px solid rgba(30,64,175,0.08);
  transition: padding var(--transition), box-shadow var(--transition);
  padding: 12px 0;
}
.nav-header.scrolled { padding: 6px 0; box-shadow: 0 2px 16px rgba(0,0,0,0.08); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 6px; font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--text); }
.logo-icon { font-size: 24px; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  font-size: 15px; font-weight: 500; color: var(--text-light);
  transition: color var(--transition); position: relative;
}
.nav-link::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--blue); transition: width var(--transition); }
.nav-link:hover { color: var(--blue); }
.nav-link:hover::after { width: 100%; }
.nav-cta {
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  color: var(--white); padding: 10px 24px; border-radius: var(--radius);
  font-weight: 700; font-size: 14px; transition: transform var(--transition), box-shadow var(--transition);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 4px 12px rgba(30,64,175,0.3); }

.hamburger {
  display: none; background: none; border: none; cursor: pointer; padding: 8px;
  z-index: 1001; min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.hamburger .bar { display: block; width: 26px; height: 3px; background: var(--text); border-radius: 3px; transition: transform var(--transition), opacity var(--transition); }
.hamburger.active .bar:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.hamburger.active .bar:nth-child(2) { opacity: 0; }
.hamburger.active .bar:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }
.nav-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 998; opacity: 0; transition: opacity var(--transition); }
.nav-overlay.active { display: block; opacity: 1; }

/* === HERO === */
.hero {
  padding: 100px 0 60px; position: relative; overflow: hidden;
  background: linear-gradient(165deg, var(--blue-bg) 0%, var(--white) 50%, var(--blue-pale) 100%);
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.hero-circle {
  position: absolute; border-radius: 50%; border: 1px solid rgba(30,64,175,0.08);
  animation: circleExpand 12s ease-in-out infinite;
}
.c1 { width: 400px; height: 400px; top: -100px; right: -100px; animation-delay: 0s; }
.c2 { width: 300px; height: 300px; bottom: -80px; left: -80px; animation-delay: 4s; }
.c3 { width: 200px; height: 200px; top: 40%; left: 60%; animation-delay: 8s; }
@keyframes circleExpand { 0%, 100% { transform: scale(1); opacity: 0.3; } 50% { transform: scale(1.2); opacity: 0.6; } }

.hero-grid { display: flex; flex-direction: column; align-items: center; gap: 40px; }
.hero-image-wrap { position: relative; max-width: 350px; width: 100%; display: flex; align-items: center; justify-content: center; }
.hero-glow {
  position: absolute; width: 280px; height: 280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  animation: glowPulse 3s ease-in-out infinite; z-index: 0;
}
@keyframes glowPulse { 0%, 100% { transform: scale(1); opacity: 0.5; } 50% { transform: scale(1.15); opacity: 1; } }
.hero-img {
  position: relative; z-index: 1; max-width: 300px; width: 100%;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 40px rgba(30,64,175,0.15));
}
@keyframes heroFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }
.hero-badge {
  position: absolute; bottom: 10px; right: -10px; z-index: 2;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  color: var(--white); padding: 10px; border-radius: 50%;
  width: 78px; height: 78px; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(30,64,175,0.3);
  animation: badgeBounce 2s ease-in-out infinite;
}
@keyframes badgeBounce { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.07); } }
.badge-price { font-size: 22px; font-weight: 900; line-height: 1; }
.badge-label { font-size: 11px; font-weight: 600; }

.hero-content { text-align: center; }
.hero-trust-bar {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); border: 1px solid var(--blue-pale);
  padding: 8px 16px; border-radius: 50px; margin-bottom: 20px; font-size: 14px;
  box-shadow: 0 2px 8px rgba(30,64,175,0.06);
}
.stars { color: var(--gold); font-size: 16px; letter-spacing: 2px; }
.trust-text { color: var(--text-muted); }
.hero-content h1 { font-family: var(--font-display); font-size: 28px; font-weight: 900; line-height: 1.3; margin-bottom: 20px; color: var(--text); }
.hero-content p { font-size: 16px; line-height: 1.7; margin-bottom: 14px; color: var(--text-light); }
.hero-lead { font-size: 17px !important; color: var(--text) !important; }
.hero-benefits { text-align: left; margin: 24px auto; max-width: 500px; display: flex; flex-direction: column; gap: 10px; }
.hero-benefits li { font-size: 16px; line-height: 1.5; color: var(--text); padding-left: 4px; }
.btn-hero { width: 100%; max-width: 400px; padding: 18px 32px; margin: 0 auto; }
.hero-small { font-size: 13px !important; color: var(--text-muted) !important; margin-top: 12px !important; }

/* === WHY CHOOSE === */
.why-choose { padding: 60px 0; background: var(--off-white); }
.trust-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.trust-card {
  background: var(--white); border: 1px solid var(--blue-pale); border-radius: var(--radius);
  padding: 28px 24px; text-align: center; transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow);
}
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.trust-card img { width: 65px; height: 65px; margin: 0 auto 14px; object-fit: contain; }
.trust-card h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--blue-deep); margin-bottom: 8px; }
.trust-card p { font-size: 15px; color: var(--text-light); line-height: 1.6; }

/* === DISCOVER === */
.discover { padding: 60px 0; background: var(--white); }
.discover-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.discover-card {
  background: var(--off-white); border: 1px solid #E2E8F0; border-radius: var(--radius);
  padding: 28px 24px; position: relative; transition: transform var(--transition), box-shadow var(--transition);
}
.discover-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.discover-num { font-family: var(--font-display); font-size: 42px; font-weight: 900; color: rgba(30,64,175,0.07); position: absolute; top: 12px; right: 20px; line-height: 1; }
.discover-card h3 { font-family: var(--font-display); font-size: 18px; font-weight: 700; color: var(--blue-deep); margin-bottom: 10px; padding-right: 50px; }
.discover-card p { font-size: 15px; line-height: 1.7; color: var(--text-light); }

/* === WHAT IS === */
.what-is { padding: 60px 0; background: var(--off-white); }
.what-is-grid { display: flex; flex-direction: column; gap: 30px; }
.what-is-content p { font-size: 16px; line-height: 1.75; color: var(--text-light); margin-bottom: 16px; }
.what-is-image { text-align: center; order: -1; }
.what-is-image img { max-width: 350px; width: 100%; margin: 0 auto; border-radius: var(--radius); box-shadow: var(--shadow-lg); }

/* === HOW IT WORKS === */
.how-works { padding: 60px 0; background: var(--white); }
.steps-timeline { max-width: 700px; margin: 40px auto 0; position: relative; }
.steps-timeline::before { content: ''; position: absolute; left: 22px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--blue), var(--blue-pale)); }
.step { display: flex; gap: 20px; margin-bottom: 30px; position: relative; }
.step-number {
  flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue));
  color: var(--white); font-family: var(--font-display); font-size: 18px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 12px rgba(30,64,175,0.25); position: relative; z-index: 1;
}
.step-content h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--blue-deep); margin-bottom: 6px; }
.step-content p { font-size: 15px; line-height: 1.7; color: var(--text-light); }

/* === REVIEWS === */
.reviews { padding: 60px 0; background: var(--off-white); }
.reviews-grid { display: grid; grid-template-columns: 1fr; gap: 24px; }
.review-card {
  background: var(--white); border: 1px solid #E2E8F0; border-radius: var(--radius);
  padding: 28px 24px; box-shadow: var(--shadow); transition: transform var(--transition);
}
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.review-header { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.review-photo { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; border: 3px solid var(--blue-pale); }
.review-name { display: block; font-size: 17px; color: var(--text); font-weight: 700; }
.review-location { font-size: 13px; color: var(--text-muted); }
.review-stars { color: var(--gold); font-size: 16px; letter-spacing: 2px; margin-top: 2px; }
.review-text { font-size: 15px; line-height: 1.7; color: var(--text-light); font-style: italic; margin-bottom: 12px; }
.review-badge { font-size: 13px; color: var(--green); font-weight: 600; }
@keyframes reviewSlideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* === RESEARCH-BACKED === */
.research-backed { padding: 60px 0; background: var(--white); }
.research-content p { font-size: 16px; line-height: 1.75; color: var(--text-light); margin-bottom: 24px; max-width: 850px; margin-left: auto; margin-right: auto; text-align: center; }
.research-list { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.research-list li { font-size: 15px; line-height: 1.6; color: var(--text); padding-left: 4px; }

/* === PRICING === */
.pricing { padding: 60px 0; background: linear-gradient(180deg, var(--blue-bg) 0%, var(--white) 100%); }
.countdown-wrap { text-align: center; margin-bottom: 36px; }
.countdown {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--white); border: 2px solid var(--blue); border-radius: var(--radius);
  padding: 16px 32px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.countdown-block { text-align: center; }
.countdown-num { display: block; font-family: var(--font-display); font-size: 40px; font-weight: 900; color: var(--blue-deep); line-height: 1; min-width: 56px; }
.countdown-label { font-size: 12px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; }
.countdown-sep { font-size: 36px; font-weight: 900; color: var(--blue); line-height: 1; margin-top: -12px; }
.countdown-alert { font-size: 14px; color: var(--red); font-weight: 600; animation: urgencyPulse 2s ease-in-out infinite; }
@keyframes urgencyPulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }
.pricing-single { text-align: center; max-width: 900px; margin: 0 auto; }
.pricing-image-link { display: block; border-radius: var(--radius); overflow: hidden; transition: transform var(--transition), box-shadow var(--transition); }
.pricing-image-link:hover { transform: scale(1.01); box-shadow: var(--shadow-lg); }
.pricing-image-link img { width: 100%; border-radius: var(--radius); }

/* === INGREDIENTS === */
.ingredients { padding: 60px 0; background: var(--off-white); }
.ingredients-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
.ingredient-card {
  background: var(--white); border: 1px solid #E2E8F0; border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow); transition: transform var(--transition), box-shadow var(--transition);
}
.ingredient-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); }
.ing-icon { font-size: 28px; display: block; margin-bottom: 10px; }
.ingredient-card h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--blue-deep); margin-bottom: 8px; }
.ingredient-card p { font-size: 15px; line-height: 1.65; color: var(--text-light); }

/* === ACCORDION (Science + FAQ) === */
.science { padding: 60px 0; background: var(--white); }
.science-accordion, .faq-accordion { max-width: 800px; margin: 0 auto; }
.accordion-item { border: 1px solid #E2E8F0; border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; background: var(--white); box-shadow: var(--shadow); }
.accordion-header {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; background: none; border: none; color: var(--text);
  font-family: var(--font-body); font-size: 16px; font-weight: 600; cursor: pointer;
  text-align: left; min-height: 48px; transition: color var(--transition); gap: 12px;
}
.accordion-header:hover { color: var(--blue); }
.accordion-icon { font-size: 22px; font-weight: 300; color: var(--blue); flex-shrink: 0; transition: transform var(--transition); width: 24px; text-align: center; }
.accordion-item.active .accordion-icon { transform: rotate(45deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; padding: 0 20px; }
.accordion-item.active .accordion-body { max-height: 600px; padding: 0 20px 20px; }
.accordion-body p { font-size: 15px; line-height: 1.7; color: var(--text-light); }

/* === GUARANTEE === */
.guarantee { padding: 60px 0; background: var(--off-white); }
.guarantee-grid { display: flex; flex-direction: column; align-items: center; gap: 30px; }
.guarantee-image { text-align: center; }
.guarantee-image img { max-width: 250px; width: 100%; margin: 0 auto; }
.guarantee-content p { font-size: 16px; line-height: 1.7; color: var(--text-light); margin-bottom: 24px; }
.guarantee-points { display: flex; flex-direction: column; gap: 20px; }
.g-point { display: flex; gap: 14px; align-items: flex-start; }
.g-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.g-point h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--blue-deep); margin-bottom: 6px; }
.g-point p { font-size: 15px; line-height: 1.65; color: var(--text-light); }

/* === BENEFITS === */
.benefits-section { padding: 60px 0; background: var(--white); }
.benefits-list { max-width: 700px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.benefit-item {
  display: flex; align-items: flex-start; gap: 12px; font-size: 16px; line-height: 1.6;
  color: var(--text); padding: 14px 18px; background: var(--blue-bg);
  border-radius: var(--radius-sm); border-left: 3px solid var(--blue);
}
.check { color: var(--green); font-weight: 700; flex-shrink: 0; font-size: 18px; }

/* === PROS AND CONS === */
.pros-cons { padding: 60px 0; background: var(--off-white); }
.pros-cons-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 800px; margin: 0 auto; }
.pros-card, .cons-card { background: var(--white); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); }
.pros-card { border: 1px solid var(--green-light); }
.cons-card { border: 1px solid var(--red-light); }
.pros-card h3, .cons-card h3 { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 16px; }
.pros-card li, .cons-card li { font-size: 15px; line-height: 1.6; color: var(--text-light); margin-bottom: 10px; }

/* === BONUSES === */
.bonuses { padding: 60px 0; background: var(--white); }
.bonuses-grid { display: grid; grid-template-columns: 1fr; gap: 24px; max-width: 800px; margin: 0 auto; }
.bonus-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  background: var(--off-white); border: 1px solid var(--blue-pale); border-radius: var(--radius);
  padding: 28px 24px; transition: transform var(--transition); box-shadow: var(--shadow);
}
.bonus-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.bonus-card img { width: 180px; height: 180px; object-fit: contain; margin-bottom: 16px; border-radius: var(--radius-sm); }
.bonus-tag { display: inline-block; background: linear-gradient(135deg, var(--blue-deep), var(--blue)); color: var(--white); font-size: 12px; font-weight: 800; padding: 4px 12px; border-radius: 50px; margin-bottom: 10px; text-transform: uppercase; letter-spacing: 1px; }
.bonus-info h3 { font-family: var(--font-display); font-size: 19px; font-weight: 700; color: var(--blue-deep); margin-bottom: 10px; }
.bonus-info p { font-size: 15px; line-height: 1.65; color: var(--text-light); }

/* === WHERE TO BUY === */
.where-to-buy { padding: 60px 0; background: var(--off-white); }
.where-content { max-width: 800px; margin: 0 auto; text-align: center; }
.where-content p { font-size: 16px; line-height: 1.75; color: var(--text-light); }

/* === ORDER PROCESS === */
.order-process { padding: 60px 0; background: var(--white); }
.order-process-grid { display: flex; flex-direction: column; gap: 30px; }
.order-step { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 18px; }
.o-num { flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; background: linear-gradient(135deg, var(--blue-deep), var(--blue)); color: var(--white); font-weight: 800; font-size: 16px; display: flex; align-items: center; justify-content: center; }
.order-step h3 { font-family: var(--font-display); font-size: 17px; font-weight: 700; color: var(--blue-deep); margin-bottom: 4px; }
.order-step p { font-size: 15px; line-height: 1.65; color: var(--text-light); }
.order-reassurance { font-size: 15px; line-height: 1.7; color: var(--text-light); margin-bottom: 14px; }
.order-image { text-align: center; }
.order-image img { max-width: 400px; width: 100%; margin: 0 auto; border-radius: var(--radius); box-shadow: var(--shadow); }

/* === FAQ === */
.faq { padding: 60px 0; background: var(--off-white); }

/* === FINAL CTA === */
.final-cta {
  padding: 60px 0; position: relative; overflow: hidden;
  background: linear-gradient(165deg, var(--blue-bg) 0%, var(--white) 50%, var(--blue-pale) 100%);
}
.final-cta-grid { display: flex; flex-direction: column; align-items: center; gap: 30px; text-align: center; }
.final-image img { max-width: 300px; width: 100%; margin: 0 auto; animation: heroFloat 4s ease-in-out infinite; filter: drop-shadow(0 20px 40px rgba(30,64,175,0.15)); }
.final-content h2 { font-family: var(--font-display); font-size: 26px; font-weight: 800; color: var(--text); margin-bottom: 20px; line-height: 1.3; }
.final-pricing { display: flex; flex-direction: column; gap: 8px; margin-bottom: 24px; }
.price-old { font-size: 18px; color: var(--text-muted); }
.price-old s { color: var(--red); }
.price-new { font-size: 28px; font-family: var(--font-display); color: var(--blue-deep); font-weight: 800; }
.btn-final { width: 100%; max-width: 420px; padding: 20px 32px; font-size: 18px; animation: ctaPulse 2.5s ease-in-out infinite; }
@keyframes ctaPulse { 0%, 100% { box-shadow: 0 4px 16px rgba(30,64,175,0.3); } 50% { box-shadow: 0 8px 32px rgba(30,64,175,0.45); } }
.final-trust { font-size: 14px; color: var(--text-muted); margin-top: 16px; }

/* === FOOTER === */
.site-footer { padding: 40px 0 20px; background: var(--text); border-top: 3px solid var(--blue); }
.footer-grid { display: grid; grid-template-columns: 1fr; gap: 30px; text-align: center; margin-bottom: 30px; }
.footer-logo { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--white); display: block; margin-bottom: 6px; }
.footer-logo .accent { color: var(--blue-light); }
.footer-tagline { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
.footer-social { display: flex; justify-content: center; gap: 14px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: color var(--transition), border-color var(--transition); }
.footer-social a:hover { color: var(--blue-light); border-color: var(--blue-light); }
.footer-col h4 { font-family: var(--font-display); font-size: 16px; font-weight: 700; color: var(--blue-light); margin-bottom: 12px; }
.footer-col a { display: block; font-size: 14px; color: var(--text-muted); margin-bottom: 8px; transition: color var(--transition); }
.footer-col a:hover { color: var(--blue-light); }
.footer-disclaimer { border-top: 1px solid rgba(255,255,255,0.05); padding-top: 20px; margin-bottom: 16px; }
.footer-disclaimer p { font-size: 12px; line-height: 1.7; color: var(--text-muted); text-align: center; }
.footer-bottom { text-align: center; }
.footer-bottom p { font-size: 13px; color: var(--text-muted); }

/* === POPUP === */
.purchase-popup { position: fixed; bottom: 20px; left: 20px; background: var(--white); border: 1px solid var(--blue-pale); border-radius: var(--radius); padding: 14px 18px; z-index: 999; box-shadow: var(--shadow-lg); transform: translateX(-120%); transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); max-width: 300px; }
.purchase-popup.show { transform: translateX(0); }
.popup-close { position: absolute; top: 6px; right: 10px; font-size: 18px; color: var(--text-muted); cursor: pointer; min-width: 30px; min-height: 30px; display: flex; align-items: center; justify-content: center; }
.popup-content { display: flex; gap: 10px; align-items: center; }
.popup-icon { font-size: 24px; }
.popup-content strong { color: var(--text); font-size: 14px; display: block; }
.popup-content p { font-size: 13px; color: var(--text-light); margin: 0; }
.popup-time { font-size: 11px; color: var(--text-muted); }

/* === SCROLL TOP === */
.scroll-top { position: fixed; bottom: 24px; right: 20px; width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--blue-deep), var(--blue)); color: var(--white); border: none; font-size: 22px; font-weight: 900; cursor: pointer; z-index: 998; opacity: 0; transform: translateY(20px); transition: opacity var(--transition), transform var(--transition); box-shadow: 0 4px 12px rgba(30,64,175,0.3); display: flex; align-items: center; justify-content: center; }
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:active { transform: scale(0.92); }

/* === RESPONSIVE 576px+ === */
@media (min-width: 576px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .discover-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .bonuses-grid { grid-template-columns: repeat(2, 1fr); }
  .pros-cons-grid { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 28px; }
  .hero-content h1 { font-size: 32px; }
}

/* === RESPONSIVE 768px+ === */
@media (min-width: 768px) {
  .container { padding-left: 32px; padding-right: 32px; }
  .section-title { font-size: 32px; margin-bottom: 20px; }
  .section-desc { font-size: 17px; margin-bottom: 48px; }
  .hamburger { display: none !important; }
  .nav-links { display: flex !important; }
  .hero { padding: 120px 0 80px; }
  .hero-grid { flex-direction: row; align-items: center; gap: 50px; }
  .hero-image-wrap { max-width: 400px; }
  .hero-content { text-align: left; }
  .hero-content h1 { font-size: 36px; }
  .hero-benefits { margin-left: 0; }
  .btn-hero { margin: 0; }
  .what-is-grid { flex-direction: row; align-items: center; }
  .what-is-content { flex: 1; }
  .what-is-image { order: 0; flex: 0 0 40%; }
  .what-is-image img { max-width: 100%; }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .guarantee-grid { flex-direction: row; align-items: center; }
  .guarantee-image { flex: 0 0 35%; }
  .guarantee-content { flex: 1; }
  .order-process-grid { flex-direction: row; align-items: center; }
  .order-steps { flex: 1; }
  .order-image { flex: 0 0 40%; }
  .final-cta-grid { flex-direction: row; }
  .final-image { flex: 0 0 40%; }
  .final-content { text-align: left; flex: 1; }
  .final-content h2 { font-size: 32px; }
  .footer-grid { grid-template-columns: 2fr 1fr; text-align: left; }
  .footer-social { justify-content: flex-start; }
}

/* === RESPONSIVE 1024px+ === */
@media (min-width: 1024px) {
  .container { padding-left: 40px; padding-right: 40px; }
  .section-title { font-size: 36px; }
  .hero-content h1 { font-size: 42px; }
  .hero-image-wrap { max-width: 450px; }
  .hero-img { max-width: 400px; }
  .trust-grid { grid-template-columns: repeat(4, 1fr); }
  .discover-grid { grid-template-columns: repeat(3, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(3, 1fr); }
  .final-content h2 { font-size: 38px; }
}

@media (min-width: 1440px) {
  .hero-content h1 { font-size: 48px; }
  .section-title { font-size: 40px; }
}

/* === MOBILE NAV < 768px === */
@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-links {
    display: flex; flex-direction: column; position: fixed; top: 0; right: 0;
    width: 280px; height: 100vh; height: 100dvh;
    background: var(--white); padding: 80px 30px 40px; gap: 20px;
    transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999; border-left: 1px solid var(--blue-pale); overflow-y: auto;
    box-shadow: -4px 0 20px rgba(0,0,0,0.1);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { font-size: 18px; padding: 10px 0; border-bottom: 1px solid #F1F5F9; }
  .nav-link::after { display: none; }
  .nav-cta { text-align: center; padding: 14px 24px; font-size: 16px; margin-top: 10px; }
}