/* ========================================
   ALPHA BRAIN - Premium Nootropic Website
   Design: Dark Premium + Cyan/Gold Accents
   Font: Montserrat (headings) + Open Sans (body)
   ======================================== */

/* CSS Variables */
:root {
  --primary: #00d4ff;
  --primary-dark: #0099cc;
  --accent: #f0a500;
  --accent-dark: #c8860a;
  --bg-dark: #050b18;
  --bg-card: #0d1a2e;
  --bg-card2: #111f35;
  --text-primary: #f0f6ff;
  --text-muted: #8ba3c4;
  --border: rgba(0,212,255,0.15);
  --gradient: linear-gradient(135deg, #00d4ff, #0066ff);
  --gradient-gold: linear-gradient(135deg, #f0a500, #ff6b35);
  --shadow-blue: 0 0 30px rgba(0,212,255,0.2);
  --shadow-gold: 0 0 30px rgba(240,165,0,0.2);
  --radius: 16px;
  --radius-sm: 10px;
  --transition: 0.3s ease;
}

/* ===== 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;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; font-weight: 800; line-height: 1.2; }
h1 { font-size: clamp(26px, 5vw, 52px); }
h2 { font-size: clamp(22px, 4vw, 40px); }
h3 { font-size: clamp(18px, 3vw, 24px); }
p { font-size: 16px; line-height: 1.8; color: var(--text-muted); }
strong { color: var(--text-primary); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }

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

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

/* ===== SECTION COMMON ===== */
section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 16px; }
.section-sub { text-align: center; max-width: 680px; margin: 0 auto 50px; font-size: 17px; }

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 36px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  min-height: 52px;
  text-align: center;
  white-space: nowrap;
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(0,212,255,0.4); }
.btn-primary:active { transform: scale(0.98); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(5,11,24,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}
.navbar.scrolled { background: rgba(5,11,24,0.97); box-shadow: 0 4px 30px rgba(0,0,0,0.5); }

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

.nav-logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.5px;
  text-decoration: none;
}
.logo-alpha { color: var(--primary); }
.logo-brain { color: var(--accent); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  color: var(--text-muted);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  transition: color var(--transition);
  text-decoration: none;
}
.nav-link:hover { color: var(--primary); }

.nav-cta-btn {
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 24px;
  border-radius: 50px;
  text-decoration: none;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta-btn:hover { transform: scale(1.05); box-shadow: 0 4px 20px rgba(0,212,255,0.4); color: #fff; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 998;
}
.mobile-overlay.active { display: block; }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 70px; right: 0;
    width: 280px;
    height: calc(100vh - 70px);
    background: #0d1a2e;
    flex-direction: column;
    gap: 0;
    padding: 20px 0;
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(.4,0,.2,1);
    z-index: 999;
    border-left: 1px solid var(--border);
    align-items: flex-start;
    overflow-y: auto;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-link { padding: 16px 28px; width: 100%; font-size: 16px; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .nav-cta-btn { margin: 16px 24px; width: calc(100% - 48px); justify-content: center; }
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 70px;
  background: radial-gradient(ellipse at 20% 50%, rgba(0,100,255,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(0,212,255,0.1) 0%, transparent 50%),
              var(--bg-dark);
  position: relative;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-img-wrapper {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-glow {
  position: absolute;
  width: 80%;
  height: 80%;
  background: radial-gradient(circle, rgba(0,212,255,0.3) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.15); opacity: 1; }
}

.hero-product-img {
  width: 100%;
  max-width: 420px;
  height: auto;
  position: relative;
  z-index: 2;
  animation: heroFloat 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 60px rgba(0,212,255,0.4));
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-18px); }
}

.hero-badge {
  position: absolute;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 50px;
  white-space: nowrap;
  z-index: 3;
  animation: badgeFloat 5s ease-in-out infinite;
  box-shadow: 0 4px 20px rgba(240,165,0,0.4);
}

.hero-badge-1 { top: 15%; right: 5%; animation-delay: 0s; }
.hero-badge-2 { bottom: 20%; left: 0%; animation-delay: -2.5s; }

@keyframes badgeFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-8px) rotate(2deg); }
}

.hero-tag {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-h1 {
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-desc {
  margin-bottom: 18px;
  font-size: 16px;
}

.hero-stars {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 30px;
  font-size: 18px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}
.hero-stars span { font-size: 14px; color: var(--text-muted); font-family: 'Open Sans', sans-serif; font-weight: 400; }

.hero-cta-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  padding: 20px 40px;
  border-radius: 16px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  min-height: 70px;
  justify-content: center;
  margin-bottom: 24px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 6px 40px rgba(240,165,0,0.35);
  animation: ctaPulse 2.5s ease-in-out infinite;
}
.hero-cta-btn:hover { transform: scale(1.05); box-shadow: 0 10px 50px rgba(240,165,0,0.5); color: #fff; }
.hero-cta-btn:active { transform: scale(0.98); }
.hero-cta-btn .btn-sub { font-size: 12px; font-weight: 400; opacity: 0.85; margin-top: 4px; font-family: 'Open Sans', sans-serif; }

@keyframes ctaPulse {
  0%, 100% { box-shadow: 0 6px 40px rgba(240,165,0,0.35); }
  50% { box-shadow: 0 6px 60px rgba(240,165,0,0.6); }
}

.hero-trust {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-trust span {
  font-size: 13px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid var(--border);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
}

@media (max-width: 767px) {
  .hero-container { grid-template-columns: 1fr; gap: 30px; padding: 40px 20px; text-align: center; }
  .hero-image-col { order: 1; }
  .hero-content-col { order: 2; }
  .hero-product-img { max-width: 260px; }
  .hero-cta-btn { max-width: 100%; font-size: 16px; padding: 18px 24px; }
  .hero-trust { justify-content: center; }
  .hero-stars { justify-content: center; }
  .hero-badge-1 { right: 0; }
  .hero-badge-2 { left: 0; }
}

/* ===== WHY CHOOSE US ===== */
.why-us {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 50%, var(--bg-dark) 100%);
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  opacity: 0;
  transform: translateY(30px);
}
.why-card.revealed { opacity: 1; transform: translateY(0); }
.why-card:hover { transform: scale(1.05) rotate(1deg); box-shadow: var(--shadow-blue); }
.why-icon-wrap img {
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin-bottom: 16px;
}
.why-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--primary); }
.why-card p { font-size: 14px; }

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

/* ===== WHAT IS ===== */
.what-is { background: var(--bg-dark); }
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.img-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-blue);
}
.img-frame img { width: 100%; height: auto; display: block; }
.section-tag {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.what-is-content h2 { margin-bottom: 20px; }
.what-is-content p { margin-bottom: 16px; }
.what-is-content .btn-primary { margin-top: 12px; }

.reveal-left { opacity: 0; transform: translateX(-40px); transition: all 0.7s ease; }
.reveal-right { opacity: 0; transform: translateX(40px); transition: all 0.7s ease; }
.reveal-left.revealed, .reveal-right.revealed { opacity: 1; transform: translateX(0); }

@media (max-width: 767px) {
  .what-is-grid { grid-template-columns: 1fr; gap: 30px; }
  .what-is-img { order: 1; }
  .what-is-content { order: 2; }
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}
.accordion-list { max-width: 800px; margin: 0 auto; }
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg-card);
}
.accordion-header {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 17px;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 60px;
  transition: background 0.2s;
}
.accordion-header:hover { background: rgba(0,212,255,0.05); }
.acc-icon { font-size: 22px; flex-shrink: 0; }
.acc-arrow { margin-left: auto; font-size: 14px; transition: transform 0.3s; color: var(--primary); }
.accordion-item.open .acc-arrow { transform: rotate(180deg); }
.accordion-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.accordion-body p { padding: 0 24px 20px; }
.accordion-item.open .accordion-body { max-height: 300px; }

@media (max-width: 575px) {
  .accordion-header { font-size: 15px; padding: 16px 16px; }
}

/* ===== REVIEWS ===== */
.reviews { background: var(--bg-dark); }
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.5s ease;
}
.review-card.revealed { opacity: 1; transform: translateY(0); }
.review-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-blue); }
.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}
.review-avatar { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--primary); flex-shrink: 0; }
.review-top strong { display: block; font-family: 'Montserrat', sans-serif; font-size: 16px; }
.review-location { font-size: 12px; color: var(--text-muted); }
.stars { font-size: 14px; margin-top: 2px; }
.review-text { font-size: 15px; line-height: 1.7; margin-bottom: 12px; }
.verified-badge { font-size: 12px; color: #4ade80; font-family: 'Montserrat', sans-serif; font-weight: 600; }

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

/* ===== PRICING ===== */
.pricing {
  background: radial-gradient(ellipse at center, rgba(0,100,255,0.1) 0%, transparent 70%), var(--bg-card);
}
.pricing-second { background: var(--bg-dark); }

.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}
.countdown-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #f87171;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}
.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: rgba(0,0,0,0.4);
  border: 2px solid #f87171;
  border-radius: var(--radius);
  padding: 20px 40px;
  box-shadow: 0 0 30px rgba(248,113,113,0.2);
}
.time-block { text-align: center; }
.time-block span { display: block; font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: clamp(40px, 8vw, 64px); color: #f87171; line-height: 1; min-width: 70px; }
.time-block small { font-size: 12px; color: var(--text-muted); font-family: 'Montserrat', sans-serif; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }
.time-sep { font-size: 50px; font-weight: 900; color: #f87171; line-height: 1; }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.price-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-blue); }
.price-card--popular {
  background: linear-gradient(135deg, #0d2444, #0a1a30);
  border-color: var(--accent);
  box-shadow: var(--shadow-gold);
  transform: scale(1.04);
}
.price-card--popular:hover { transform: scale(1.04) translateY(-8px); }

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(240,165,0,0.4);
}

.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--primary);
  margin-bottom: 6px;
  margin-top: 8px;
}
.price-bottles { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 22px; margin-bottom: 4px; }
.price-supply { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.price-img { width: 100%; max-width: 160px; height: auto; margin: 0 auto 20px; display: block; object-fit: contain; max-height: 180px; }

.price-amount { margin-bottom: 4px; }
.price-old { font-size: 16px; color: var(--text-muted); text-decoration: line-through; margin-right: 8px; }
.price-new { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 36px; color: var(--accent); }
.price-per { font-size: 13px; color: var(--text-muted); margin-bottom: 16px; }

.price-badges { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; margin-bottom: 16px; }
.mini-badge { background: rgba(0,212,255,0.1); border: 1px solid rgba(0,212,255,0.3); color: var(--primary); font-size: 11px; padding: 5px 12px; border-radius: 50px; font-family: 'Montserrat', sans-serif; font-weight: 700; }

.price-btn {
  display: block;
  background: var(--gradient);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 16px;
  padding: 16px;
  border-radius: 12px;
  text-decoration: none;
  margin-bottom: 16px;
  transition: transform 0.2s, box-shadow 0.2s;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.price-btn:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(0,212,255,0.4); color: #fff; }
.price-btn:active { transform: scale(0.98); }
.price-btn--popular { background: var(--gradient-gold); }
.price-btn--popular:hover { box-shadow: 0 8px 30px rgba(240,165,0,0.4); }

.payment-logos { width: 100%; max-width: 200px; height: auto; object-fit: contain; display: block; margin: 0 auto; }
.rating-row { text-align: center; margin-top: 36px; }
.rating-row img { max-width: 280px; height: auto; margin: 0 auto; display: block; }
.stars-big { font-size: 20px; font-family: 'Montserrat', sans-serif; color: var(--text-primary); text-align: center; }

@media (max-width: 991px) {
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .price-card--popular { transform: scale(1); }
  .price-card--popular:hover { transform: translateY(-8px); }
}
@media (max-width: 575px) {
  .countdown-timer { padding: 16px 24px; }
  .time-block span { font-size: 40px; min-width: 50px; }
}

/* ===== BONUS ===== */
.bonus-section { background: var(--bg-dark); }
.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}
.bonus-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.5s ease;
}
.bonus-card.revealed { opacity: 1; transform: translateY(0); }
.bonus-card:hover { box-shadow: var(--shadow-blue); transform: translateY(-6px); }
.bonus-card img { width: 100%; max-width: 300px; height: auto; border-radius: var(--radius-sm); margin-bottom: 20px; display: block; margin: 0 auto 20px; }
.bonus-card h3 { margin-bottom: 12px; color: var(--primary); }

@media (max-width: 767px) { .bonus-grid { grid-template-columns: 1fr; } }

/* ===== INGREDIENTS ===== */
.ingredients {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.ingredient-card {
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}
.ingredient-card.revealed { opacity: 1; transform: translateY(0); }
.ingredient-card:hover { border-color: rgba(0,212,255,0.4); box-shadow: 0 4px 20px rgba(0,212,255,0.1); }
.ing-header { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.ing-emoji { font-size: 24px; }
.ingredient-card h3 { font-size: 17px; color: var(--primary); }
.ingredient-card p { font-size: 15px; }

@media (max-width: 767px) { .ingredients-grid { grid-template-columns: 1fr; } }

/* ===== SCIENCE ===== */
.science { background: var(--bg-card); }
.science-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}
.science-card {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.5s ease;
}
.science-card.revealed { opacity: 1; transform: translateY(0); }
.science-card:hover { border-color: rgba(0,212,255,0.4); box-shadow: var(--shadow-blue); }
.sci-badge {
  display: inline-block;
  background: rgba(0,212,255,0.1);
  border: 1px solid rgba(0,212,255,0.3);
  color: var(--primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 5px 14px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.science-card h3 { font-size: 18px; margin-bottom: 12px; }
.science-disclaimer { background: var(--bg-card2); border-radius: var(--radius-sm); padding: 20px; border: 1px solid var(--border); }
.science-disclaimer p { font-size: 13px; color: var(--text-muted); text-align: center; }

@media (max-width: 767px) { .science-grid { grid-template-columns: 1fr; } }

/* ===== GUARANTEE ===== */
.guarantee { background: var(--bg-dark); }
.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-img img { width: 100%; max-width: 360px; height: auto; display: block; margin: 0 auto; }
.guarantee-content h2 { margin-bottom: 30px; }
.guarantee-point {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.g-icon { font-size: 28px; flex-shrink: 0; margin-top: 2px; }
.guarantee-point h3 { font-size: 18px; margin-bottom: 8px; color: var(--primary); }
.guarantee-point p { font-size: 15px; }
.guarantee-content .btn-primary { margin-top: 10px; }

@media (max-width: 767px) {
  .guarantee-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .guarantee-point { flex-direction: column; align-items: center; text-align: left; }
  .guarantee-img { order: 1; }
  .guarantee-content { order: 2; }
}

/* ===== BENEFITS ===== */
.benefits {
  background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-card) 100%);
}
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.benefit-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 24px;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}
.benefit-item.revealed { opacity: 1; transform: translateY(0); }
.benefit-item:hover { border-color: rgba(0,212,255,0.4); box-shadow: 0 4px 20px rgba(0,212,255,0.08); }
.benefit-icon { font-size: 32px; flex-shrink: 0; }
.benefit-item h3 { font-size: 18px; margin-bottom: 8px; color: var(--primary); }
.benefit-item p { font-size: 15px; }

@media (max-width: 767px) { .benefits-grid { grid-template-columns: 1fr; } }

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-card);
}
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--bg-dark);
}
.faq-header {
  width: 100%;
  background: none;
  border: none;
  color: var(--text-primary);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 20px 24px;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 16px;
  transition: background 0.2s;
}
.faq-header:hover { background: rgba(0,212,255,0.05); }
.faq-arrow { font-size: 14px; transition: transform 0.3s; color: var(--primary); flex-shrink: 0; }
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-body { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-body p { padding: 0 24px 20px; font-size: 15px; }
.faq-item.open .faq-body { max-height: 400px; }

@media (max-width: 575px) {
  .faq-header { font-size: 14px; padding: 16px; }
}

/* ===== FINAL CTA ===== */
.final-cta {
  background: radial-gradient(ellipse at center, rgba(240,165,0,0.1) 0%, transparent 70%), var(--bg-dark);
  padding: 100px 0;
}
.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.final-cta-img img { width: 100%; max-width: 360px; height: auto; display: block; margin: 0 auto; filter: drop-shadow(0 20px 60px rgba(240,165,0,0.3)); animation: heroFloat 4s ease-in-out infinite; }

.final-badge {
  display: inline-block;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.final-cta-content h2 { margin-bottom: 20px; font-size: clamp(24px, 4vw, 36px); }
.final-price {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.final-old { font-size: 16px; color: var(--text-muted); }
.final-old s { font-family: 'Montserrat', sans-serif; font-weight: 700; }
.final-new { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 24px; color: var(--accent); }
.final-cta-content p { margin-bottom: 28px; font-size: 16px; }
.final-cta-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 18px;
  padding: 22px 36px;
  border-radius: 16px;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 8px 40px rgba(240,165,0,0.4);
  animation: ctaPulse 2.5s ease-in-out infinite;
  min-height: 70px;
  justify-content: center;
}
.final-cta-btn small { font-size: 12px; font-weight: 400; margin-top: 4px; font-family: 'Open Sans', sans-serif; opacity: 0.85; }
.final-cta-btn:hover { transform: scale(1.05); box-shadow: 0 12px 60px rgba(240,165,0,0.6); color: #fff; }
.final-cta-btn:active { transform: scale(0.98); }

@media (max-width: 767px) {
  .final-cta-inner { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .final-cta-img { order: 1; }
  .final-cta-content { order: 2; }
  .final-cta-btn { font-size: 15px; padding: 18px 24px; }
  .final-price { align-items: center; }
}

/* ===== FOOTER ===== */
.footer {
  background: #020810;
  padding: 60px 0 0;
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-logo { font-family: 'Montserrat', sans-serif; font-weight: 900; font-size: 24px; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.social-icon {
  font-size: 20px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  padding: 10px;
  border-radius: 50%;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  text-decoration: none;
}
.social-icon:hover { background: rgba(0,212,255,0.1); border-color: rgba(0,212,255,0.4); }
.footer-links-col h4 { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 14px; letter-spacing: 1px; color: var(--text-primary); margin-bottom: 16px; text-transform: uppercase; }
.footer-links-col a { display: block; color: var(--text-muted); font-size: 14px; margin-bottom: 10px; transition: color var(--transition); text-decoration: none; }
.footer-links-col a:hover { color: var(--primary); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 30px 0;
  text-align: center;
}
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 20px; align-items: center; }
.legal-link { color: var(--text-muted); font-size: 13px; transition: color var(--transition); text-decoration: none; }
.legal-link:hover { color: var(--primary); }
.link-separator { color: var(--border); }
.footer-disclaimer { font-size: 12px; color: var(--text-muted); max-width: 800px; margin: 0 auto 16px; line-height: 1.6; }
.footer-copy { font-size: 13px; color: var(--text-muted); }
.footer-copy a { color: var(--primary); }

@media (max-width: 767px) {
  .footer-top { grid-template-columns: 1fr; }
  .footer-brand { text-align: center; }
  .footer-social { justify-content: center; }
  .footer-links-col { text-align: center; }
}

/* ===== SCROLL TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  background: var(--gradient);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 18px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.3s ease;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0,212,255,0.4);
}
.scroll-top.visible { opacity: 1; transform: translateY(0); }
.scroll-top:hover { transform: scale(1.1); }

/* ===== PURCHASE NOTIFICATION ===== */
.purchase-notif {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 950;
  max-width: 300px;
  background: var(--bg-card2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5);
  transform: translateX(-120%);
  transition: transform 0.5s cubic-bezier(.34,1.56,.64,1);
}
.purchase-notif.show { transform: translateX(0); }
.notif-inner { display: flex; align-items: center; gap: 12px; }
.notif-icon { font-size: 24px; flex-shrink: 0; }
.notif-text { flex: 1; font-size: 13px; line-height: 1.4; }
.notif-text strong { color: var(--text-primary); font-family: 'Montserrat', sans-serif; font-size: 14px; }
.notif-text small { color: var(--text-muted); }
.notif-close {
  background: var(--gradient-gold);
  color: #fff;
  text-decoration: none;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
  flex-shrink: 0;
  min-height: 36px;
  display: flex;
  align-items: center;
  transition: var(--transition);
}
.notif-close:hover { transform: scale(1.05); color: #fff; }

@media (max-width: 575px) {
  .purchase-notif { max-width: calc(100vw - 40px); left: 20px; right: 20px; bottom: 20px; }
}

/* ===== EXIT POPUP ===== */
.popup-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.popup-overlay.active { display: flex; }
.popup-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px 36px;
  max-width: 480px;
  width: 100%;
  text-align: center;
  position: relative;
  box-shadow: 0 20px 80px rgba(0,0,0,0.8), 0 0 60px rgba(0,212,255,0.1);
  animation: popupIn 0.4s cubic-bezier(.34,1.56,.64,1);
}
@keyframes popupIn { from { transform: scale(0.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.popup-close-x {
  position: absolute;
  top: 14px; right: 14px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  border-radius: 50%;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.popup-close-x:hover { color: #fff; background: rgba(255,255,255,0.12); }
.popup-emoji { font-size: 48px; margin-bottom: 16px; }
.popup-box h3 { font-family: 'Montserrat', sans-serif; font-size: 22px; margin-bottom: 12px; }
.popup-box p { font-size: 15px; color: var(--text-muted); margin-bottom: 16px; }
.popup-price { font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: 900; margin-bottom: 24px; color: var(--accent); }
.popup-price s { color: var(--text-muted); font-size: 18px; }
.popup-cta {
  display: block;
  background: var(--gradient-gold);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 17px;
  padding: 18px;
  border-radius: 12px;
  text-decoration: none;
  margin-bottom: 14px;
  transition: transform 0.2s, box-shadow 0.2s;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(240,165,0,0.3);
}
.popup-cta:hover { transform: scale(1.04); color: #fff; box-shadow: 0 8px 30px rgba(240,165,0,0.5); }
.popup-skip {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s;
  padding: 8px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.popup-skip:hover { color: var(--text-primary); }

/* ===== PARTICLE DOTS ===== */
.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0;
  animation: particleFade linear infinite;
}
@keyframes particleFade {
  0% { opacity: 0; transform: translateY(0) scale(0); }
  10% { opacity: 0.6; transform: translateY(-20px) scale(1); }
  100% { opacity: 0; transform: translateY(-200px) scale(0.3); }
}

/* ===== UTILITY ===== */
.reveal-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-card.revealed { opacity: 1; transform: translateY(0); }

/* Stagger delays */
.reveal-card:nth-child(1) { transition-delay: 0.05s; }
.reveal-card:nth-child(2) { transition-delay: 0.15s; }
.reveal-card:nth-child(3) { transition-delay: 0.25s; }
.reveal-card:nth-child(4) { transition-delay: 0.35s; }