/* ============================================================
   NEUROTEST - styles.css
   Design: Medical Professional + Bold Gradient Hybrid
   Colors: #0A1628 (deep navy), #1E40AF (blue), #06B6D4 (cyan),
           #D4AF37 (gold), #FFFFFF (white)
   Fonts: Montserrat (headings), Open Sans (body)
   ============================================================ */

/* ===== 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: #fff;
  color: #1a2332;
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

a { text-decoration: none; color: inherit; }

input, select, textarea { font-size: 16px; }

/* ===== 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, 2.5vw, 24px); }
h4 { font-size: clamp(16px, 2vw, 20px); }

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

.section-pad { padding: 80px 0; }
.alt-bg { background: #f0f7ff; }

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  color: #0A1628;
  margin: 10px 0 14px;
}

.section-sub {
  color: #4a5568;
  max-width: 680px;
  margin: 0 auto;
  font-size: 17px;
}

.section-tag {
  display: inline-block;
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.urgent-tag {
  background: linear-gradient(135deg, #dc2626, #f59e0b);
  animation: pulse-tag 1.5s ease-in-out infinite;
}

@keyframes pulse-tag {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.gradient-text {
  background: linear-gradient(135deg, #06B6D4, #D4AF37);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stars-row {
  font-size: 20px;
  margin-top: 10px;
  color: #f59e0b;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 18px;
  padding: 18px 40px;
  border-radius: 60px;
  min-height: 60px;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(30, 64, 175, 0.35);
  text-align: center;
  gap: 4px;
}

.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 40px rgba(30, 64, 175, 0.5);
}

.btn-primary:active { transform: scale(0.98); }

.btn-sub {
  font-size: 12px;
  font-family: 'Open Sans', sans-serif;
  font-weight: 400;
  opacity: 0.85;
}

/* ===== SCROLL REVEAL ===== */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-left.visible { opacity: 1; transform: translateX(0); }

.fade-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}

.fade-right.visible { opacity: 1; transform: translateX(0); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.3s ease;
  border-bottom: 1px solid rgba(6, 182, 212, 0.2);
}

.navbar.scrolled {
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  padding: 0;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: #fff;
  letter-spacing: 0.5px;
}

.logo-icon { font-size: 26px; }

.logo-text {
  background: linear-gradient(135deg, #06B6D4, #D4AF37);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  color: #cbd5e1;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.3px;
  transition: color 0.3s;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 0; right: 0;
  height: 2px;
  background: #06B6D4;
  transform: scaleX(0);
  transition: transform 0.3s;
}

.nav-link:hover { color: #06B6D4; }
.nav-link:hover::after { transform: scaleX(1); }

.nav-cta-btn {
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 24px;
  border-radius: 50px;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.3);
}

.nav-cta-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 6px 24px rgba(6, 182, 212, 0.5);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  align-items: center;
}

.hamburger span {
  display: block;
  width: 25px;
  height: 2.5px;
  background: #fff;
  border-radius: 2px;
  transition: all 0.3s;
}

.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 Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: #0A1628;
  z-index: 2000;
  flex-direction: column;
  padding: 80px 30px 40px;
  gap: 10px;
  transition: right 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-left: 1px solid rgba(6, 182, 212, 0.3);
}

.mobile-menu.open { right: 0; }

.mobile-close {
  position: absolute;
  top: 20px; right: 20px;
  background: rgba(255,255,255,0.1);
  border: none;
  color: #fff;
  font-size: 20px;
  width: 44px; height: 44px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-link {
  color: #cbd5e1;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 17px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color 0.3s;
}

.mobile-link:hover { color: #06B6D4; }

.mobile-cta-btn {
  margin-top: 20px;
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  padding: 16px 30px;
  border-radius: 50px;
  text-align: center;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s;
}

.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1500;
  backdrop-filter: blur(4px);
}

.mobile-overlay.show { display: block; }

/* ===== HERO SECTION ===== */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #0A1628 0%, #0f2a52 50%, #0A1628 100%);
  display: flex;
  align-items: center;
  padding-top: 90px;
  overflow: hidden;
}

.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.particle {
  position: absolute;
  border-radius: 50%;
  animation: float-particle linear infinite;
  opacity: 0.15;
}

@keyframes float-particle {
  0% { transform: translateY(100vh) scale(0); opacity: 0; }
  10% { opacity: 0.15; }
  90% { opacity: 0.15; }
  100% { transform: translateY(-20px) scale(1); opacity: 0; }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
  padding: 60px 20px;
}

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

.hero-glow {
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(6,182,212,0.25) 0%, transparent 70%);
  border-radius: 50%;
  animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 1; }
}

.hero-bottle {
  max-width: 340px;
  width: 100%;
  animation: bottle-float 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 50px rgba(6, 182, 212, 0.4));
  position: relative;
  z-index: 2;
}

@keyframes bottle-float {
  0%, 100% { transform: translateY(0px) rotate(-2deg); }
  50% { transform: translateY(-18px) rotate(2deg); }
}

.hero-badge {
  position: absolute;
  bottom: 20px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #D4AF37, #f0c93b);
  color: #0A1628;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 13px;
  padding: 8px 20px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
  animation: badge-bounce 2s ease-in-out infinite;
}

@keyframes badge-bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-5px); }
}

.hero-eyebrow {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #06B6D4;
  margin-bottom: 16px;
}

.hero-h1 { color: #fff; margin-bottom: 20px; }

.hero-desc {
  color: #94a3b8;
  font-size: 16px;
  margin-bottom: 16px;
  line-height: 1.8;
}

.hero-stats {
  display: flex;
  gap: 30px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.stat-num {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 24px;
  color: #D4AF37;
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: #64748b;
  letter-spacing: 0.5px;
}

.hero-btn {
  width: 100%;
  max-width: 420px;
  font-size: 20px;
  padding: 22px 40px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #D4AF37, #f0c93b, #D4AF37);
  background-size: 200% 100%;
  color: #0A1628;
  animation: btn-shimmer 3s linear infinite;
}

@keyframes btn-shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

.hero-btn:hover { box-shadow: 0 12px 40px rgba(212, 175, 55, 0.6); }

.hero-trust {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #64748b;
  font-size: 14px;
}

.hero-trust img { max-height: 30px; }

/* ===== WHY CHOOSE ===== */
.why-choose { background: #fff; }

.badges-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.badge-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 30px 22px;
  text-align: center;
  transition: all 0.35s ease;
  cursor: default;
}

.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: 0 20px 50px rgba(30, 64, 175, 0.15);
  border-color: #06B6D4;
}

.badge-icon-wrap {
  width: 90px; height: 90px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #f0f7ff, #dbeafe);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 10px;
}

.badge-icon-wrap img { width: 70px; height: 70px; object-fit: contain; }

.badge-card h3 {
  font-size: 16px;
  color: #0A1628;
  margin-bottom: 10px;
  font-weight: 800;
}

.badge-card p {
  color: #4a5568;
  font-size: 14px;
  line-height: 1.7;
}

/* Stagger delays */
.badges-grid .badge-card:nth-child(1) { transition-delay: 0s; }
.badges-grid .badge-card:nth-child(2) { transition-delay: 0.1s; }
.badges-grid .badge-card:nth-child(3) { transition-delay: 0.2s; }
.badges-grid .badge-card:nth-child(4) { transition-delay: 0.3s; }

/* ===== WHAT IS ===== */
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.what-is-img {
  position: relative;
  display: flex;
  justify-content: center;
}

.img-frame {
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(30, 64, 175, 0.15);
  border: 3px solid rgba(6, 182, 212, 0.2);
}

.img-frame img { width: 100%; }

.floating-pill {
  position: absolute;
  bottom: 20px; right: -10px;
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  padding: 10px 20px;
  border-radius: 50px;
  box-shadow: 0 8px 24px rgba(30, 64, 175, 0.35);
  animation: float-pill 3s ease-in-out infinite;
}

@keyframes float-pill {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.what-is-content { padding: 10px 0; }
.what-is-content p { color: #4a5568; margin-bottom: 16px; font-size: 16px; }
.what-is-content .btn-primary { margin-top: 20px; }

/* ===== HOW IT WORKS ===== */
.how-works { background: #fff; }

.accordion-list { max-width: 800px; margin: 0 auto; }

.accordion-item {
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.accordion-item:hover { box-shadow: 0 8px 30px rgba(30, 64, 175, 0.1); }

.accordion-header {
  width: 100%;
  background: #fff;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 17px;
  color: #0A1628;
  text-align: left;
  min-height: 68px;
  transition: background 0.3s;
}

.accordion-header:hover { background: #f8fafc; }
.accordion-header[aria-expanded="true"] { background: linear-gradient(135deg, #eff6ff, #f0f9ff); color: #1E40AF; }

.acc-icon { font-size: 22px; flex-shrink: 0; }

.acc-arrow {
  margin-left: auto;
  font-size: 14px;
  transition: transform 0.3s;
  color: #06B6D4;
  flex-shrink: 0;
}

.accordion-header[aria-expanded="true"] .acc-arrow { transform: rotate(180deg); }

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.accordion-body.open { max-height: 400px; }

.accordion-body p {
  padding: 16px 24px 24px 60px;
  color: #4a5568;
  font-size: 16px;
  line-height: 1.8;
}

/* ===== REVIEWS ===== */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  background: #fff;
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
}

.review-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(30, 64, 175, 0.12); }

.featured-review {
  border: 2px solid #06B6D4;
  background: linear-gradient(135deg, #f0f9ff, #fff);
}

.review-top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.reviewer-photo {
  width: 60px; height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #06B6D4;
  flex-shrink: 0;
}

.reviewer-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #0A1628;
}

.reviewer-loc { font-size: 13px; color: #64748b; }

.review-stars { font-size: 16px; margin-top: 2px; }

.review-text {
  color: #4a5568;
  font-size: 15px;
  line-height: 1.75;
  margin-bottom: 14px;
  font-style: italic;
}

.verified-badge {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 12px;
  color: #059669;
}

/* ===== PRICING ===== */
.pricing { background: linear-gradient(135deg, #0A1628, #0f2a52); }
.pricing .section-header h2 { color: #fff; }
.pricing .section-sub { color: #94a3b8; }

.countdown-wrap {
  text-align: center;
  margin-bottom: 40px;
}

.countdown-label {
  color: #fbbf24;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  margin-bottom: 12px;
}

.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(6, 182, 212, 0.3);
  border-radius: 16px;
  padding: 16px 30px;
}

.time-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.time-block span {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 48px;
  color: #fff;
  line-height: 1;
  min-width: 70px;
  text-align: center;
}

.time-block small {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  color: #06B6D4;
  letter-spacing: 2px;
}

.time-sep {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 48px;
  color: #06B6D4;
  line-height: 1;
  margin-bottom: 16px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.price-card {
  background: #fff;
  border-radius: 24px;
  padding: 32px 24px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
  border: 2px solid transparent;
}

.price-card:hover { transform: translateY(-8px); box-shadow: 0 20px 50px rgba(0,0,0,0.3); }

.popular-card {
  background: linear-gradient(180deg, #0A1628, #1a3a6e);
  border: 2px solid #D4AF37;
  transform: scale(1.04);
  box-shadow: 0 20px 60px rgba(212, 175, 55, 0.3);
}

.popular-card:hover { transform: scale(1.04) translateY(-8px); }

.popular-badge {
  position: absolute;
  top: -1px; left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #D4AF37, #f0c93b);
  color: #0A1628;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 12px;
  padding: 8px 24px;
  border-radius: 0 0 16px 16px;
  white-space: nowrap;
}

.price-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 14px;
  letter-spacing: 2px;
  color: #06B6D4;
  margin-bottom: 6px;
}

.popular-card .price-label { color: #D4AF37; }

.price-qty {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: #0A1628;
  margin-bottom: 4px;
}

.popular-card .price-qty { color: #fff; }

.price-supply {
  font-size: 14px;
  color: #64748b;
  margin-bottom: 16px;
}

.popular-card .price-supply { color: #94a3b8; }

.price-card img:not(.cards-img) {
  max-height: 140px;
  object-fit: contain;
  margin: 0 auto 16px;
}

.price-amount {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 30px;
  margin-bottom: 4px;
  color: #0A1628;
}

.popular-card .price-amount { color: #fff; }

.strike {
  font-size: 16px;
  text-decoration: line-through;
  color: #94a3b8;
  margin-right: 6px;
  font-weight: 600;
}

.price-per { font-size: 14px; color: #64748b; margin-bottom: 12px; }
.popular-card .price-per { color: #94a3b8; }

.bonus-tags {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.bonus-tag {
  display: inline-block;
  background: linear-gradient(135deg, #059669, #10b981);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 50px;
}

.btn-price {
  display: block;
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 16px;
  padding: 16px 20px;
  border-radius: 50px;
  min-height: 52px;
  margin-bottom: 14px;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-price:hover { transform: scale(1.04); box-shadow: 0 8px 24px rgba(30, 64, 175, 0.4); }

.btn-price-pop {
  background: linear-gradient(135deg, #D4AF37, #f0c93b);
  color: #0A1628;
}

.cards-img { max-height: 28px; object-fit: contain; margin: 0 auto; }

.rating-below {
  text-align: center;
  margin-top: 36px;
}

.rating-below img { max-height: 36px; margin: 0 auto 8px; }
.rating-below p { color: #94a3b8; font-size: 15px; }

/* ===== BONUS ===== */
.bonus { }

.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  max-width: 900px;
  margin: 0 auto;
}

.bonus-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 24px;
  padding: 32px 28px;
  text-align: center;
  transition: all 0.3s;
  position: relative;
}

.bonus-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(30, 64, 175, 0.12); border-color: #06B6D4; }

.bonus-number {
  display: inline-block;
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 1px;
  padding: 6px 20px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.bonus-card img {
  max-height: 180px;
  object-fit: contain;
  margin: 0 auto 20px;
}

.bonus-card h3 { color: #0A1628; margin-bottom: 12px; }
.bonus-card p { color: #4a5568; font-size: 15px; line-height: 1.75; }

/* ===== INGREDIENTS ===== */
.ingredients { background: #fff; }

.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.ingr-card {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 18px;
  padding: 24px;
  transition: all 0.3s;
  position: relative;
  padding-left: 70px;
}

.ingr-card:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(30, 64, 175, 0.1); border-color: #06B6D4; background: #f0f9ff; }

.ingr-num {
  position: absolute;
  left: 20px; top: 24px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 28px;
  color: rgba(6, 182, 212, 0.2);
  line-height: 1;
}

.ingr-card h3 { font-size: 17px; color: #0A1628; margin-bottom: 8px; }
.ingr-card p { color: #4a5568; font-size: 15px; line-height: 1.75; }

/* ===== SCIENCE ===== */
.science-list { max-width: 800px; margin: 0 auto; }

.science-item {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s;
}

.science-item:hover { box-shadow: 0 8px 30px rgba(30, 64, 175, 0.1); }

.science-header {
  width: 100%;
  background: #fff;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #0A1628;
  text-align: left;
  min-height: 64px;
  transition: background 0.3s;
}

.science-header:hover { background: #f8fafc; }
.science-header[aria-expanded="true"] { background: #eff6ff; color: #1E40AF; }
.science-header .acc-arrow { transition: transform 0.3s; flex-shrink: 0; }
.science-header[aria-expanded="true"] .acc-arrow { transform: rotate(180deg); }

.science-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.science-body.open { max-height: 400px; }

.science-body p {
  padding: 12px 24px 20px;
  color: #4a5568;
  font-size: 15px;
  line-height: 1.8;
}

/* ===== GUARANTEE ===== */
.guarantee { background: #fff; }

.guarantee-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.guarantee-img img {
  max-width: 280px;
  margin: 0 auto;
  filter: drop-shadow(0 12px 40px rgba(30, 64, 175, 0.15));
}

.guarantee-content h2 { color: #0A1628; margin: 10px 0 24px; }

.guarantee-points { display: flex; flex-direction: column; gap: 24px; }

.guarantee-point {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.gp-icon {
  width: 50px; height: 50px;
  background: linear-gradient(135deg, #eff6ff, #dbeafe);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.guarantee-point h3 { font-size: 17px; color: #0A1628; margin-bottom: 6px; }
.guarantee-point p { color: #4a5568; font-size: 15px; line-height: 1.75; }

/* ===== BENEFITS ===== */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 980px;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: #fff;
  border-radius: 16px;
  padding: 22px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
}

.benefit-item:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(30, 64, 175, 0.1); border-color: #06B6D4; }

.benefit-check {
  font-size: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item h3 { font-size: 16px; color: #0A1628; margin-bottom: 6px; }
.benefit-item p { color: #4a5568; font-size: 14px; line-height: 1.7; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }

.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  margin-bottom: 16px;
  overflow: hidden;
  background: #fff;
  transition: box-shadow 0.3s;
}

.faq-item:hover { box-shadow: 0 8px 30px rgba(30, 64, 175, 0.1); }

.faq-header {
  width: 100%;
  background: #fff;
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: #0A1628;
  text-align: left;
  min-height: 64px;
  transition: background 0.3s;
}

.faq-header:hover { background: #f8fafc; }
.faq-header[aria-expanded="true"] { background: #eff6ff; color: #1E40AF; }

.faq-arrow {
  font-size: 14px;
  color: #06B6D4;
  flex-shrink: 0;
  transition: transform 0.3s;
}

.faq-header[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); }

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-body.open { max-height: 300px; }

.faq-body p {
  padding: 12px 24px 22px;
  color: #4a5568;
  font-size: 16px;
  line-height: 1.8;
}

/* ===== FINAL CTA ===== */
.final-cta {
  background: linear-gradient(135deg, #0A1628, #0f2a52);
  position: relative;
  overflow: hidden;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 0% 50%, rgba(6,182,212,0.12) 0%, transparent 60%),
    radial-gradient(ellipse at 100% 50%, rgba(212, 175, 55, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.final-cta-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.final-bottle-wrap {
  position: relative;
  display: flex;
  justify-content: center;
}

.final-bottle {
  max-width: 300px;
  width: 100%;
  animation: bottle-float 4s ease-in-out infinite;
  filter: drop-shadow(0 20px 50px rgba(6, 182, 212, 0.4));
}

.pulse-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 280px; height: 280px;
  border-radius: 50%;
  border: 2px solid rgba(6, 182, 212, 0.3);
  animation: pulse-ring 2.5s ease-in-out infinite;
}

@keyframes pulse-ring {
  0% { transform: translate(-50%, -50%) scale(0.9); opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(1.4); opacity: 0; }
}

.final-text h2 { color: #fff; margin-bottom: 20px; }

.final-price {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}

.final-strike {
  font-size: 18px;
  color: #64748b;
  text-decoration: line-through;
}

.final-special {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 32px;
  color: #D4AF37;
}

.final-text p { color: #94a3b8; margin-bottom: 28px; font-size: 16px; line-height: 1.8; }

.btn-final {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  background: linear-gradient(135deg, #D4AF37, #f0c93b);
  color: #0A1628;
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  padding: 22px 44px;
  border-radius: 60px;
  min-height: 70px;
  cursor: pointer;
  border: none;
  transition: all 0.3s;
  box-shadow: 0 10px 40px rgba(212, 175, 55, 0.4);
  text-align: center;
  gap: 4px;
  width: 100%;
  max-width: 480px;
  margin-bottom: 20px;
}

.btn-final:hover { transform: scale(1.04); box-shadow: 0 16px 50px rgba(212, 175, 55, 0.6); }

.btn-final-sub {
  font-size: 12px;
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  color: rgba(10, 22, 40, 0.75);
}

.final-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.final-badges span {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #94a3b8;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 50px;
}

/* ===== FOOTER ===== */
.footer {
  background: #050d1a;
  padding: 60px 0 30px;
  border-top: 1px solid rgba(6, 182, 212, 0.15);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 50px;
  margin-bottom: 50px;
}

.footer-logo {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 22px;
  color: #fff;
  margin-bottom: 14px;
}

.footer-brand p {
  color: #64748b;
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 20px;
}

.social-icons { display: flex; gap: 12px; }

.social-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #64748b;
  transition: all 0.3s;
}

.social-icon svg { width: 18px; height: 18px; }
.social-icon:hover { background: #1E40AF; color: #fff; transform: translateY(-3px); }

.footer-col h4 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-col a {
  display: block;
  color: #64748b;
  font-size: 14px;
  padding: 5px 0;
  transition: color 0.3s;
}

.footer-col a:hover { color: #06B6D4; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 30px;
  text-align: center;
}

.footer-legal-links {
  margin-bottom: 16px;
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.legal-link {
  color: #64748b;
  font-size: 13px;
  transition: color 0.3s;
}

.legal-link:hover { color: #06B6D4; }
.link-separator { color: #334155; }

.footer-disclaimer {
  color: #475569;
  font-size: 13px;
  line-height: 1.75;
  max-width: 800px;
  margin: 0 auto 14px;
}

.footer-copy {
  color: #334155;
  font-size: 13px;
}

.footer-copy a { color: #06B6D4; }

/* ===== PURCHASE POPUP ===== */
.purchase-popup {
  position: fixed;
  bottom: 80px;
  left: 20px;
  background: #fff;
  border-radius: 16px;
  padding: 12px 16px 12px 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  z-index: 900;
  max-width: 300px;
  transform: translateX(-360px);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  border-left: 4px solid #06B6D4;
}

.purchase-popup.show { transform: translateX(0); }

.popup-img { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; border-radius: 8px; }

.popup-text strong { font-family: 'Montserrat', sans-serif; font-size: 14px; color: #0A1628; display: block; }
.popup-text p { font-size: 13px; color: #4a5568; margin: 2px 0 0; }

.popup-close {
  position: absolute;
  top: 8px; right: 8px;
  background: none;
  border: none;
  font-size: 14px;
  color: #94a3b8;
  cursor: pointer;
  width: 24px; height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ===== EXIT POPUP ===== */
.exit-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 9000;
  backdrop-filter: blur(6px);
}

.exit-overlay.show { display: block; }

.exit-popup {
  display: none;
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: #fff;
  border-radius: 28px;
  padding: 50px 40px 40px;
  z-index: 9001;
  max-width: 500px;
  width: 90%;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0,0,0,0.4);
}

.exit-popup.show { display: block; animation: popup-in 0.4s ease; }

@keyframes popup-in {
  from { transform: translate(-50%, -50%) scale(0.8); opacity: 0; }
  to { transform: translate(-50%, -50%) scale(1); opacity: 1; }
}

.exit-close {
  position: absolute;
  top: 16px; right: 16px;
  background: #f1f5f9;
  border: none;
  border-radius: 50%;
  width: 36px; height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  color: #64748b;
  transition: background 0.3s;
}

.exit-close:hover { background: #e2e8f0; }
.exit-close a { color: #64748b; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }

.exit-icon { font-size: 50px; margin-bottom: 16px; }

.exit-content h3 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 900;
  font-size: 24px;
  color: #0A1628;
  margin-bottom: 14px;
}

.exit-content p {
  color: #4a5568;
  font-size: 15px;
  margin-bottom: 10px;
  line-height: 1.7;
}

.exit-btn {
  width: 100%;
  margin: 16px 0 12px;
  font-size: 18px;
}

.exit-no {
  display: block;
  color: #94a3b8;
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.3s;
}

.exit-no:hover { color: #64748b; }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 20px; right: 20px;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, #1E40AF, #06B6D4);
  color: #fff;
  border: none;
  border-radius: 16px;
  font-size: 22px;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 800;
  box-shadow: 0 4px 20px rgba(30, 64, 175, 0.4);
  transition: all 0.3s;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
}

.scroll-top.show { display: flex; }
.scroll-top:hover { transform: translateY(-4px); box-shadow: 0 8px 30px rgba(30, 64, 175, 0.5); }

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

/* ===== RESPONSIVE: TABLET (768px) ===== */
@media (max-width: 991px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: flex; }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
    padding: 50px 20px;
  }

  .hero-image-wrap { order: -1; }
  .hero-bottle { max-width: 260px; }
  .hero-stats { justify-content: center; }
  .hero-btn { max-width: 100%; }
  .hero-trust { justify-content: center; }

  .badges-grid { grid-template-columns: repeat(2, 1fr); }

  .what-is-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
  }

  .what-is-img { order: -1; }

  .reviews-grid { grid-template-columns: repeat(2, 1fr); }

  .pricing-grid { grid-template-columns: 1fr; max-width: 380px; }
  .popular-card { transform: scale(1); order: -1; }

  .bonus-grid { grid-template-columns: 1fr; }

  .ingredients-grid { grid-template-columns: 1fr; }

  .guarantee-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .guarantee-point { flex-direction: column; align-items: center; text-align: center; }

  .benefits-grid { grid-template-columns: 1fr; }

  .final-cta-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .final-bottle { max-width: 220px; }
  .btn-final { max-width: 100%; }
  .final-badges { justify-content: center; }

  .footer-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .social-icons { justify-content: center; }
}

/* ===== RESPONSIVE: PHONE (576px) ===== */
@media (max-width: 575px) {
  .section-pad { padding: 56px 0; }

  h1 { font-size: 26px; }
  h2 { font-size: 22px; }
  h3 { font-size: 18px; }

  .hero-grid { padding: 40px 0; gap: 30px; }
  .hero-bottle { max-width: 220px; }
  .hero-stats { gap: 18px; }
  .stat-num { font-size: 20px; }

  .badges-grid { grid-template-columns: 1fr; }
  .reviews-grid { grid-template-columns: 1fr; }

  .time-block span { font-size: 36px; min-width: 54px; }
  .time-sep { font-size: 36px; }

  .final-cta-inner { gap: 30px; }
  .btn-final { font-size: 18px; padding: 18px 28px; }

  .exit-popup { padding: 40px 24px 32px; }
  .exit-content h3 { font-size: 20px; }

  .purchase-popup { max-width: calc(100vw - 40px); bottom: 70px; }

  .footer-legal-links { flex-direction: column; align-items: center; gap: 6px; }
  .link-separator { display: none; }
}

/* ===== RESPONSIVE: SMALL PHONE (480px) ===== */
@media (max-width: 480px) {
  .hero-h1 { font-size: 24px; }
  .nav-container { padding: 12px 16px; }
  .hero-btn { font-size: 17px; padding: 18px 28px; }
}

/* ===== RESPONSIVE: TINY PHONE (320px) ===== */
@media (max-width: 360px) {
  .hero-h1 { font-size: 22px; }
  .time-block span { font-size: 30px; min-width: 46px; }
  .time-sep { font-size: 30px; }
}