/* ============================
   NEUROSERGE — styles.css
   Design: Modern Neuro-Tech
   ============================ */

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

*, *::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;
  background: #05070f;
  color: #e8eaf0;
  line-height: 1.7;
  overflow-x: hidden;
}

/* --- CSS VARIABLES --- */
:root {
  --primary: #6c63ff;
  --primary-light: #8b85ff;
  --accent: #00d4ff;
  --accent2: #ff6b6b;
  --gold: #ffd700;
  --dark: #05070f;
  --dark2: #0d0f1e;
  --dark3: #12162a;
  --card-bg: #0f1225;
  --card-border: rgba(108,99,255,0.2);
  --text: #e8eaf0;
  --text-muted: #8892b0;
  --success: #00e676;
  --gradient: linear-gradient(135deg, #6c63ff 0%, #00d4ff 100%);
  --gradient2: linear-gradient(135deg, #ff6b6b 0%, #ffd700 100%);
  --shadow: 0 20px 60px rgba(108,99,255,0.3);
  --radius: 16px;
  --radius-sm: 10px;
  --trans: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.section-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 4vw, 40px);
  text-align: center;
  margin-bottom: 12px;
  color: #fff;
  line-height: 1.2;
}

.section-subtitle {
  font-size: clamp(15px, 2vw, 18px);
  color: var(--text-muted);
  text-align: center;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.accent { color: var(--accent); }
.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- PURCHASE NOTIFICATION --- */
.purchase-notif {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background: var(--card-bg);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 9999;
  max-width: 320px;
  box-shadow: 0 8px 30px rgba(108,99,255,0.4);
  transform: translateX(-110%);
  transition: transform 0.4s ease;
  font-size: 14px;
}
.purchase-notif.show { transform: translateX(0); }
.notif-icon { font-size: 22px; }
.notif-close {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; font-size: 20px; margin-left: auto;
  width: 24px; height: 24px; display: flex; align-items: center; justify-content: center;
}
@media (max-width: 768px) {
  .purchase-notif { left: 10px; right: 10px; max-width: unset; bottom: 10px; }
}

/* --- EXIT POPUP --- */
.exit-popup-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.exit-popup-overlay.active { display: flex; }
.exit-popup-box {
  background: var(--dark3);
  border: 1px solid var(--primary);
  border-radius: var(--radius);
  padding: 40px 32px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 0 60px rgba(108,99,255,0.5);
  animation: popupIn 0.4s ease;
}
@keyframes popupIn { from { opacity:0; transform: scale(0.85); } to { opacity:1; transform: scale(1); } }
.exit-popup-close {
  position: absolute; top: 12px; right: 16px;
  background: none; border: none; font-size: 26px;
  color: var(--text-muted); cursor: pointer;
}
.exit-popup-badge {
  display: inline-block;
  background: var(--gradient2);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.exit-popup-title {
  font-family: 'Montserrat', sans-serif;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}
.exit-popup-title span { color: var(--accent); }
.exit-popup-text { color: var(--text-muted); margin-bottom: 20px; font-size: 15px; }
.exit-popup-price { margin-bottom: 24px; }
.exit-old-price { font-size: 18px; text-decoration: line-through; color: var(--text-muted); margin-right: 12px; }
.exit-new-price { font-size: 30px; font-family: 'Montserrat', sans-serif; font-weight: 800; color: var(--gold); }
.exit-popup-cta {
  display: block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  margin-bottom: 12px;
  transition: var(--trans);
}
.exit-popup-cta:hover { transform: scale(1.03); box-shadow: var(--shadow); }
.exit-popup-skip {
  color: var(--text-muted);
  font-size: 13px;
  text-decoration: none;
  display: block;
}
.exit-popup-skip:hover { color: var(--accent); }

/* --- SCROLL TOP --- */
.scroll-top-btn {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 56px; height: 56px;
  background: var(--gradient);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  z-index: 999;
  display: none;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: var(--trans);
}
.scroll-top-btn.show { display: flex; }
.scroll-top-btn:hover { transform: scale(1.1); }
@media (max-width: 768px) { .scroll-top-btn { right: 16px; bottom: 70px; } }

/* ===== SECTION 1: NAVIGATION ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(5,7,15,0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(108,99,255,0.15);
  transition: var(--trans);
}
.site-header.scrolled {
  background: rgba(5,7,15,0.98);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
}
.logo-img { width: 40px; height: 40px; object-fit: contain; border-radius: 8px; }
.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}
.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  transition: var(--trans);
  white-space: nowrap;
}
.nav-link:hover { color: var(--accent); }
.nav-cta-btn {
  background: var(--gradient);
  color: #fff !important;
  padding: 10px 22px;
  border-radius: 50px;
  text-decoration: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  white-space: nowrap;
  transition: var(--trans);
  min-height: 44px;
  display: flex;
  align-items: center;
}
.nav-cta-btn:hover { transform: scale(1.05); box-shadow: var(--shadow); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 48px; min-height: 48px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--trans);
}
.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); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: var(--dark2);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 0;
    transform: translateY(-120%);
    transition: transform 0.35s ease;
    border-bottom: 1px solid var(--card-border);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link {
    padding: 14px 0;
    border-bottom: 1px solid var(--card-border);
    font-size: 16px;
  }
  .nav-cta-btn {
    margin-top: 16px;
    justify-content: center;
    min-height: 50px;
    font-size: 16px;
  }
}

/* ===== SECTION 2: HERO ===== */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 20% 50%, rgba(108,99,255,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(0,212,255,0.1) 0%, transparent 50%),
              var(--dark);
}
.hero-particles {
  position: absolute; inset: 0;
  pointer-events: none;
  overflow: hidden;
}
.particle {
  position: absolute;
  width: 4px; height: 4px;
  background: var(--primary);
  border-radius: 50%;
  animation: floatUp linear infinite;
  opacity: 0;
}
@keyframes floatUp {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.3; }
  100% { transform: translateY(-100px) scale(1.5); opacity: 0; }
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-glow-ring {
  position: absolute;
  width: 350px; height: 350px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,99,255,0.3) 0%, transparent 70%);
  animation: pulse-ring 3s ease-in-out infinite;
}
@keyframes pulse-ring {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}
.hero-product-img {
  width: 100%;
  max-width: 380px;
  height: auto;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 20px 60px rgba(108,99,255,0.5));
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}
.hero-badge-float {
  position: absolute;
  top: 20px; right: 10px;
  background: var(--gradient2);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 50px;
  z-index: 2;
  animation: bounce 2s ease-in-out infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
.hero-tag {
  display: inline-block;
  background: rgba(108,99,255,0.2);
  border: 1px solid var(--primary);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}
.hero-headline {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.15;
  margin-bottom: 24px;
  color: #fff;
}
.hero-subtext {
  font-size: clamp(15px, 1.8vw, 17px);
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}
.hero-subtext strong { color: var(--text); }
.hero-stats {
  display: flex;
  gap: 24px;
  align-items: center;
  margin: 28px 0;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-item strong {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--accent);
}
.stat-item span { font-size: 12px; color: var(--text-muted); }
.stat-divider { width: 1px; height: 40px; background: var(--card-border); }
.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(16px, 2vw, 19px);
  padding: 18px 36px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 8px 30px rgba(108,99,255,0.5);
  transition: var(--trans);
  min-height: 60px;
  margin-bottom: 16px;
}
.hero-cta-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 50px rgba(108,99,255,0.7);
}
.hero-guarantee {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .hero-image-wrap { order: -1; }
  .hero-product-img { max-width: 260px; }
  .hero-stats { justify-content: center; }
  .hero-guarantee { justify-content: center; flex-wrap: wrap; }
  .hero-cta-btn { width: 100%; justify-content: center; }
}

/* ===== SECTION 3: WHY ===== */
.why-section {
  padding: 80px 0;
  background: var(--dark2);
  position: relative;
}
.why-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: var(--gradient);
  opacity: 0.4;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: var(--trans);
  cursor: default;
  opacity: 0;
  transform: translateY(30px);
}
.why-card.visible {
  opacity: 1;
  transform: translateY(0);
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  border-color: var(--primary);
  box-shadow: 0 20px 60px rgba(108,99,255,0.3);
}
.why-icon-wrap {
  width: 80px; height: 80px;
  background: rgba(108,99,255,0.1);
  border-radius: 50%;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.why-icon { width: 50px; height: 50px; object-fit: contain; }
.why-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 12px;
  color: var(--accent);
  letter-spacing: 0.5px;
}
.why-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

@media (max-width: 991px) { .why-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 575px) { .why-grid { grid-template-columns: 1fr; } }

/* ===== SECTION 4: WHAT IS ===== */
.what-section {
  padding: 80px 0;
  background: var(--dark);
}
.what-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.what-img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,212,255,0.2);
  border: 1px solid var(--card-border);
}
.what-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(24px, 3vw, 36px);
  margin-bottom: 24px;
  color: #fff;
}
.what-content p { font-size: 15px; color: var(--text-muted); margin-bottom: 16px; }
.cta-btn-secondary {
  display: inline-block;
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary-light);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 28px;
  border-radius: 50px;
  text-decoration: none;
  transition: var(--trans);
  min-height: 50px;
  margin-top: 12px;
}
.cta-btn-secondary:hover {
  background: var(--primary);
  color: #fff;
  transform: scale(1.03);
}

@media (max-width: 768px) {
  .what-grid { grid-template-columns: 1fr; }
  .what-img { max-width: 300px; margin: 0 auto; display: block; }
}

/* ===== SECTION 5: HOW IT WORKS ===== */
.how-section {
  padding: 80px 0;
  background: var(--dark2);
}
.accordion-list, .science-accordion, .faq-list { display: flex; flex-direction: column; gap: 16px; max-width: 860px; margin: 0 auto; }
.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--trans);
}
.accordion-item:hover { border-color: var(--primary); }
.accordion-header {
  width: 100%;
  background: none;
  border: none;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  cursor: pointer;
  text-align: left;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: clamp(15px, 2vw, 17px);
  min-height: 64px;
  transition: var(--trans);
}
.accordion-header:hover { color: var(--accent); }
.acc-num {
  flex-shrink: 0;
  font-size: 13px;
  color: var(--primary);
  font-weight: 800;
  min-width: 30px;
}
.acc-title { flex: 1; }
.acc-icon {
  flex-shrink: 0;
  font-size: 24px;
  color: var(--primary);
  transition: transform 0.3s ease;
  line-height: 1;
}
.accordion-header[aria-expanded="true"] .acc-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 24px;
}
.accordion-body.open {
  max-height: 300px;
  padding: 0 24px 20px;
}
.accordion-body p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }

/* ===== SECTION 6: REVIEWS ===== */
.reviews-section {
  padding: 80px 0;
  background: var(--dark);
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.review-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--trans);
}
.review-card:hover {
  border-color: var(--primary);
  transform: translateY(-6px);
  box-shadow: 0 20px 40px rgba(108,99,255,0.2);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
  flex-shrink: 0;
}
.review-name { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 16px; color: #fff; display: block; }
.review-location { font-size: 13px; color: var(--text-muted); display: block; margin-bottom: 4px; }
.stars { color: var(--gold); font-size: 15px; letter-spacing: 2px; }
.review-text { font-size: 14px; color: var(--text-muted); line-height: 1.8; }

@media (max-width: 768px) { .reviews-grid { grid-template-columns: 1fr; } }
@media (min-width: 576px) and (max-width: 768px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== SECTIONS 7 & 13: PRICING ===== */
.pricing-section {
  padding: 80px 0;
  background: var(--dark2);
  position: relative;
}
.pricing-section-2 { background: var(--dark); }
.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--accent2);
  margin-bottom: 12px;
}
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 2px solid var(--accent2);
  border-radius: var(--radius-sm);
  padding: 12px 24px;
}
.timer-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.timer-block span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(32px, 6vw, 52px);
  color: var(--accent2);
  line-height: 1;
  min-width: 2ch;
  text-align: center;
}
.timer-block small { font-size: 11px; color: var(--text-muted); letter-spacing: 2px; }
.timer-colon { font-size: 40px; font-weight: 900; color: var(--accent2); line-height: 1; margin-bottom: 14px; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 40px;
}
.price-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  position: relative;
  transition: var(--trans);
}
.price-card:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(108,99,255,0.3); }
.price-card.popular {
  border: 2px solid var(--primary);
  transform: scale(1.04);
  background: linear-gradient(180deg, rgba(108,99,255,0.1) 0%, var(--card-bg) 100%);
}
.price-card.popular:hover { transform: scale(1.06) translateY(-6px); }
.popular-badge {
  position: absolute;
  top: -14px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
}
.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.price-bottles {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  margin-bottom: 4px;
}
.price-supply { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }
.price-img {
  width: 100%;
  max-width: 160px;
  height: 170px;
  object-fit: contain;
  margin: 0 auto 20px;
  display: block;
}
.price-amount { font-size: 18px; margin-bottom: 4px; }
.old-price { text-decoration: line-through; color: var(--text-muted); font-size: 16px; margin-right: 8px; }
.new-price {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 30px;
  color: var(--gold);
}
.price-per { font-size: 13px; color: var(--text-muted); margin-bottom: 14px; }
.price-badges-row { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.badge-green {
  background: rgba(0,230,118,0.15);
  border: 1px solid var(--success);
  color: var(--success);
  font-size: 11px; font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
}
.badge-blue {
  background: rgba(0,212,255,0.15);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 11px; font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
}
.price-cta-btn {
  display: block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 15px;
  padding: 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  margin-bottom: 14px;
  transition: var(--trans);
  min-height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.price-cta-btn:hover { transform: scale(1.03); box-shadow: var(--shadow); }
.popular-btn { background: linear-gradient(135deg, #ff6b6b 0%, #ffd700 100%); }
.payment-logos { max-width: 100%; height: 30px; object-fit: contain; margin: 0 auto; display: block; opacity: 0.7; }
.rating-row { text-align: center; }
.five-star-img { max-width: 200px; height: auto; margin: 0 auto; display: block; }
.fallback-stars { font-size: 18px; color: var(--gold); font-family: 'Montserrat', sans-serif; font-weight: 700; }

@media (max-width: 768px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.popular { transform: scale(1); }
}
@media (min-width: 576px) and (max-width: 991px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== SECTION 8: BONUS ===== */
.bonus-section {
  padding: 80px 0;
  background: var(--dark);
}
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}
.bonus-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--trans);
  position: relative;
}
.bonus-card:hover { border-color: var(--gold); box-shadow: 0 0 40px rgba(255,215,0,0.2); }
.bonus-number {
  position: absolute;
  top: 16px; left: 16px;
  background: var(--gradient2);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 50px;
  letter-spacing: 1px;
}
.bonus-img { width: 100%; height: 200px; object-fit: cover; }
.bonus-content { padding: 24px; }
.bonus-content h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
  margin-bottom: 12px;
}
.bonus-content p { font-size: 14px; color: var(--text-muted); }

@media (max-width: 768px) { .bonus-grid { grid-template-columns: 1fr; } }

/* ===== SECTION 9: INGREDIENTS ===== */
.ingredients-section {
  padding: 80px 0;
  background: var(--dark2);
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.ingredient-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: var(--trans);
}
.ingredient-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,212,255,0.15);
}
.ing-icon { font-size: 32px; margin-bottom: 14px; display: block; }
.ingredient-card h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--accent);
  margin-bottom: 10px;
}
.ingredient-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

@media (max-width: 768px) { .ingredients-grid { grid-template-columns: 1fr; } }
@media (min-width: 576px) and (max-width: 991px) { .ingredients-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== SECTION 10: SCIENCE ===== */
.science-section {
  padding: 80px 0;
  background: var(--dark);
}

/* ===== SECTION 11: GUARANTEE ===== */
.guarantee-section {
  padding: 80px 0;
  background: var(--dark2);
}
.guarantee-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-img {
  width: 260px;
  height: auto;
  filter: drop-shadow(0 10px 30px rgba(0,230,118,0.3));
}
.guarantee-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(22px, 3vw, 34px);
  margin-bottom: 16px;
  color: #fff;
}
.guarantee-intro { color: var(--text-muted); font-size: 15px; margin-bottom: 28px; }
.guarantee-points { display: flex; flex-direction: column; gap: 24px; margin-bottom: 28px; }
.g-point { display: flex; gap: 16px; }
.g-icon {
  width: 48px; height: 48px; flex-shrink: 0;
  background: rgba(0,230,118,0.1);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
}
.g-point h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #fff;
  margin-bottom: 6px;
}
.g-point p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

@media (max-width: 768px) {
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .guarantee-img { width: 180px; margin: 0 auto; }
  .g-point { flex-direction: column; align-items: center; }
}

/* ===== SECTION 12: BENEFITS ===== */
.benefits-section {
  padding: 80px 0;
  background: var(--dark);
}
.benefits-wrap {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: start;
}
.benefits-list { display: flex; flex-direction: column; gap: 20px; }
.benefit-item {
  display: flex;
  gap: 16px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: var(--trans);
  opacity: 0;
  transform: translateX(-30px);
}
.benefit-item.visible { opacity: 1; transform: translateX(0); }
.benefit-item:hover { border-color: var(--primary); transform: translateX(4px); }
.benefit-check {
  width: 36px; height: 36px;
  background: var(--gradient);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  color: #fff;
  font-size: 14px;
  flex-shrink: 0;
}
.benefit-text strong { font-family: 'Montserrat', sans-serif; font-size: 15px; color: #fff; display: block; margin-bottom: 6px; }
.benefit-text p { font-size: 14px; color: var(--text-muted); }
.benefits-image-side { width: 280px; }
.benefits-img { width: 100%; border-radius: var(--radius); margin-bottom: 20px; }
.benefits-cta-box {
  background: var(--card-bg);
  border: 1px solid var(--primary);
  border-radius: var(--radius-sm);
  padding: 20px;
  text-align: center;
}
.benefits-cta-box p { font-size: 14px; color: var(--text-muted); margin-bottom: 14px; }

@media (max-width: 991px) {
  .benefits-wrap { grid-template-columns: 1fr; }
  .benefits-image-side { width: 100%; max-width: 320px; margin: 0 auto; }
}

/* ===== SECTION 15: FINAL CTA ===== */
.final-cta-section {
  padding: 100px 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(108,99,255,0.2) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(0,212,255,0.15) 0%, transparent 50%),
              var(--dark2);
  position: relative;
  overflow: hidden;
}
.final-cta-particles { position: absolute; inset: 0; pointer-events: none; }
.final-cta-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.final-cta-img {
  width: 320px;
  max-width: 100%;
  filter: drop-shadow(0 20px 60px rgba(108,99,255,0.5));
  animation: float 4s ease-in-out infinite;
}
.final-badge {
  display: inline-block;
  background: var(--gradient2);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.final-cta-content h2 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(24px, 3.5vw, 44px);
  color: #fff;
  margin-bottom: 20px;
  line-height: 1.2;
}
.final-price { margin-bottom: 24px; }
.final-old-price { display: block; text-decoration: line-through; color: var(--text-muted); font-size: 16px; margin-bottom: 4px; }
.final-new-price {
  display: block;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 4vw, 48px);
  color: var(--gold);
}
.final-perks { list-style: none; margin-bottom: 32px; display: flex; flex-direction: column; gap: 10px; }
.final-perks li { font-size: 15px; color: var(--text-muted); }
.final-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--gradient2);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: clamp(16px, 2vw, 20px);
  padding: 20px 40px;
  border-radius: 50px;
  text-decoration: none;
  box-shadow: 0 10px 40px rgba(255,107,107,0.5);
  transition: var(--trans);
  min-height: 64px;
  margin-bottom: 16px;
  animation: pulse-btn 2s ease-in-out infinite;
}
@keyframes pulse-btn {
  0%, 100% { box-shadow: 0 10px 40px rgba(255,107,107,0.5); }
  50% { box-shadow: 0 15px 60px rgba(255,107,107,0.8); }
}
.final-cta-btn:hover { transform: scale(1.05); }
.final-secure { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; }
.final-cards { max-height: 30px; object-fit: contain; opacity: 0.7; }

@media (max-width: 768px) {
  .final-cta-grid { grid-template-columns: 1fr; text-align: center; }
  .final-cta-img { width: 220px; margin: 0 auto; }
  .final-cta-btn { width: 100%; justify-content: center; }
  .final-perks { text-align: left; max-width: 300px; margin-left: auto; margin-right: auto; }
}

/* ===== FOOTER ===== */
.site-footer {
  background: #03040a;
  border-top: 1px solid var(--card-border);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--card-border);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo-img { width: 36px; height: 36px; object-fit: contain; border-radius: 6px; }
.footer-logo span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 20px;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.footer-about { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; line-height: 1.7; }
.social-icons { display: flex; gap: 12px; }
.social-icon {
  width: 40px; height: 40px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--trans);
}
.social-icon:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a, .legal-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: var(--trans);
  display: block;
  margin-bottom: 8px;
}
.footer-links a:hover, .legal-link:hover { color: var(--accent); }
.footer-col p { font-size: 14px; color: var(--text-muted); margin-bottom: 10px; }
.footer-cta-btn {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 50px;
  text-decoration: none;
  transition: var(--trans);
  min-height: 44px;
  margin-top: 8px;
}
.footer-cta-btn:hover { transform: scale(1.03); box-shadow: var(--shadow); }
.footer-disclaimer {
  padding: 24px 0;
  border-bottom: 1px solid var(--card-border);
}
.footer-disclaimer p { font-size: 12px; color: #555; line-height: 1.7; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p { font-size: 13px; color: #444; }
.footer-bottom a { color: var(--primary-light); text-decoration: none; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .social-icons { justify-content: center; }
  .footer-col { text-align: center; }
  .footer-links { align-items: center; }
}

/* ===== AOS ANIMATIONS ===== */
[data-aos="fade-up"] { opacity: 0; transform: translateY(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos="fade-up"].visible { opacity: 1; transform: translateY(0); }
[data-aos="fade-right"] { opacity: 0; transform: translateX(-40px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos="fade-right"].visible { opacity: 1; transform: translateX(0); }
[data-aos="fade-left"] { opacity: 0; transform: translateX(40px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos="fade-left"].visible { opacity: 1; transform: translateX(0); }
[data-aos="zoom-in"] { opacity: 0; transform: scale(0.8); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-aos="zoom-in"].visible { opacity: 1; transform: scale(1); }
[data-aos="slide-right"] { opacity: 0; transform: translateX(-30px); transition: opacity 0.5s ease, transform 0.5s ease; }
[data-aos="slide-right"].visible { opacity: 1; transform: translateX(0); }
[data-aos="slide-up"] { opacity: 0; transform: translateY(30px); transition: opacity 0.5s ease, transform 0.5s ease; }
[data-aos="slide-up"].visible { opacity: 1; transform: translateY(0); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}