/* =============================================
   COGNIVEX — PREMIUM COGNITIVE SUPPLEMENT CSS
   Design: Medical Professional + Premium Luxury
   ============================================= */

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

/* ---- CSS VARIABLES ---- */
:root {
  --primary: #0a1628;
  --secondary: #1a3a6b;
  --accent: #2563eb;
  --accent2: #10b981;
  --gold: #d4af37;
  --white: #ffffff;
  --light: #f0f4ff;
  --light2: #e8eeff;
  --text: #1a2340;
  --text-muted: #5a6787;
  --gradient: linear-gradient(135deg, #0a1628 0%, #1a3a6b 50%, #2563eb 100%);
  --gradient2: linear-gradient(135deg, #2563eb, #10b981);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(37, 99, 235, 0.15);
  --shadow-lg: 0 20px 60px rgba(10, 22, 40, 0.2);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-head: 'Montserrat', sans-serif;
  --font-body: 'Open Sans', sans-serif;
}

/* ---- 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: var(--font-body);
  color: var(--text);
  background: var(--white);
  overflow-x: hidden;
  line-height: 1.7;
}

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

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

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

ul { list-style: none; }

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

.section-pad { padding: 80px 0; }

.bg-alt { background: var(--light); }

.section-title {
  font-family: var(--font-head);
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 800;
  text-align: center;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.section-sub {
  font-size: clamp(16px, 2vw, 18px);
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 48px;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

.highlight {
  background: var(--gradient2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- BUTTONS ---- */
.btn-primary {
  display: inline-block;
  background: var(--gradient2);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(15px, 2vw, 18px);
  padding: 16px 36px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35);
  text-align: center;
  min-height: 54px;
  line-height: 1.3;
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn-primary:hover::before { left: 100%; }
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 30px rgba(37, 99, 235, 0.5); }
.btn-primary:active { transform: scale(0.98); }

@media (max-width: 767px) {
  .btn-primary { width: 100%; min-height: 54px; padding: 16px 24px; }
}

/* Pulse animation */
@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 99, 235, 0.35); }
  50% { box-shadow: 0 4px 40px rgba(16, 185, 129, 0.6); }
}
.pulse-anim { animation: pulse 2.5s infinite; }

/* ---- NAVBAR ---- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 22, 40, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(37, 99, 235, 0.2);
  transition: padding var(--transition), box-shadow var(--transition);
}

.navbar.scrolled {
  padding: 4px 0;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 22px;
  color: var(--white);
}

.nav-logo img { width: 38px; height: 38px; border-radius: 8px; object-fit: cover; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 14px;
  transition: color var(--transition);
  white-space: nowrap;
}

.nav-links a:hover { color: var(--white); }

.nav-cta {
  background: var(--gradient2);
  color: var(--white) !important;
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px !important;
  box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 6px 20px rgba(37,99,235,0.5); }

.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: 24px; height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.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); }

@media (max-width: 767px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 70px; left: 0; right: 0;
    background: rgba(10, 22, 40, 0.99);
    flex-direction: column;
    padding: 24px 20px;
    gap: 20px;
    transform: translateY(-120%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 2px solid rgba(37, 99, 235, 0.3);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { font-size: 17px; color: var(--white); }
  .nav-cta { text-align: center; padding: 14px 24px; }
}

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--gradient);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
}

.hero-bg-anim {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 70% 50%, rgba(37, 99, 235, 0.25) 0%, transparent 70%),
              radial-gradient(ellipse 40% 40% at 20% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

/* Floating particles */
.hero-bg-anim::before, .hero-bg-anim::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  animation: floatParticle 8s ease-in-out infinite;
}
.hero-bg-anim::before {
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(37,99,235,0.08), transparent);
  top: 10%; right: 5%;
}
.hero-bg-anim::after {
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(16,185,129,0.08), transparent);
  bottom: 20%; left: 5%;
  animation-delay: -4s;
}

@keyframes floatParticle {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.1); }
}

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

.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(37, 99, 235, 0.35) 0%, transparent 70%);
  border-radius: 50%;
  animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.15); opacity: 1; }
}

.hero-bottle {
  position: relative;
  z-index: 1;
  max-width: 380px;
  filter: drop-shadow(0 30px 60px rgba(37, 99, 235, 0.4));
  animation: bottleFloat 4s ease-in-out infinite;
}

@keyframes bottleFloat {
  0%, 100% { transform: translateY(0) rotate(-2deg); }
  50% { transform: translateY(-20px) rotate(2deg); }
}

.hero-badge {
  position: absolute;
  bottom: 30px; right: -10px;
  background: var(--gold);
  color: var(--primary);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 50px;
  box-shadow: 0 4px 20px rgba(212, 175, 55, 0.4);
  animation: badgeBounce 2s ease-in-out infinite;
}

@keyframes badgeBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-content { color: var(--white); }

.hero-label {
  display: inline-block;
  background: rgba(37, 99, 235, 0.3);
  border: 1px solid rgba(37, 99, 235, 0.5);
  color: #93c5fd;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-h1 {
  font-family: var(--font-head);
  font-size: clamp(28px, 4.5vw, 54px);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 24px;
  color: var(--white);
}

.hero-h1 .highlight {
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 1.75;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.85);
}

.hero-stars {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 28px;
  font-size: 15px;
  color: rgba(255,255,255,0.75);
  font-weight: 500;
}

.hero-btn { margin-bottom: 20px; }

.hero-guarantee {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

/* Fade-in animations */
.fade-in-left {
  opacity: 0;
  transform: translateX(-50px);
  animation: fadeInLeft 0.9s 0.2s forwards;
}
.fade-in-right {
  opacity: 0;
  transform: translateX(50px);
  animation: fadeInRight 0.9s 0.4s forwards;
}

@keyframes fadeInLeft {
  to { opacity: 1; transform: translateX(0); }
}
@keyframes fadeInRight {
  to { opacity: 1; transform: translateX(0); }
}

/* Scroll reveal */
.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 767px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 32px;
    text-align: center;
  }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; }
  .hero-bottle { max-width: 260px; }
  .hero-glow { width: 220px; height: 220px; }
  .hero-badge { right: 10px; bottom: 10px; font-size: 11px; }
  .hero-stars { justify-content: center; }
}

/* ---- WHY CHOOSE US ---- */
.why-choose { background: var(--light); }

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

.badge-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid rgba(37, 99, 235, 0.08);
  transition: transform var(--transition), box-shadow var(--transition), rotate var(--transition);
}

.badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
}

.badge-card img {
  width: 80px; height: 80px;
  margin: 0 auto 16px;
  object-fit: contain;
}

.badge-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 12px;
}

.badge-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
}

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

/* ---- WHAT IS ---- */
.what-is { background: var(--white); }

.what-is-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.what-is-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.what-is-content h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--primary);
}

.what-is-content p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.what-is-content .btn-primary { margin-top: 8px; }

@media (max-width: 767px) {
  .what-is-container { grid-template-columns: 1fr; gap: 32px; }
  .what-is-image { order: 1; }
  .what-is-content { order: 2; }
}

/* ---- HOW IT WORKS ---- */
.how-it-works { background: var(--primary); }
.how-it-works .section-title { color: var(--white); }
.how-it-works .section-sub { color: rgba(255,255,255,0.65); }

/* ---- ACCORDIONS ---- */
.accordion-list, .science-accordion, .faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.accordion-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.science-accordion .accordion-item,
.faq-list .accordion-item {
  background: var(--white);
  border: 1px solid rgba(37, 99, 235, 0.12);
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.06);
}

.accordion-header {
  width: 100%;
  background: none;
  border: none;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(14px, 2vw, 16px);
  color: var(--white);
  text-align: left;
  min-height: 56px;
  transition: background var(--transition);
}

.science-accordion .accordion-header,
.faq-list .accordion-header {
  color: var(--primary);
}

.accordion-header:hover { background: rgba(37, 99, 235, 0.08); }

.acc-icon {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 300;
  flex-shrink: 0;
  transition: transform var(--transition), background var(--transition);
}

.accordion-item.open .acc-icon {
  transform: rotate(45deg);
  background: var(--accent2);
}

.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.accordion-body p {
  padding: 4px 24px 20px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255,255,255,0.75);
}

.science-accordion .accordion-body p,
.faq-list .accordion-body p {
  color: var(--text-muted);
}

/* ---- REVIEWS ---- */
.reviews { background: var(--light); }

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

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(37, 99, 235, 0.08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.review-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

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

.reviewer-img {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}

.review-top strong {
  font-family: var(--font-head);
  font-weight: 700;
  display: block;
  margin-bottom: 2px;
  font-size: 15px;
}

.rev-location { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.stars { font-size: 13px; }

.review-card p { font-size: 15px; line-height: 1.7; color: var(--text-muted); }

@media (max-width: 767px) {
  .reviews-grid { grid-template-columns: 1fr; }
}
@media (min-width: 576px) and (max-width: 767px) {
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- PRICING ---- */
.pricing { background: var(--white); }
.pricing.bg-alt { background: var(--light); }

.countdown-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.countdown-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--primary);
}

.countdown {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  padding: 12px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}

.time-block {
  text-align: center;
  min-width: 52px;
}

.time-block span {
  display: block;
  font-family: var(--font-head);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 900;
  color: var(--accent2);
  line-height: 1;
}

.time-block small {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  font-weight: 600;
  letter-spacing: 1px;
}

.colon {
  font-size: 36px;
  font-weight: 900;
  color: var(--white);
  line-height: 1;
  padding-bottom: 12px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: start;
}

.price-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  border: 2px solid rgba(37, 99, 235, 0.12);
  box-shadow: var(--shadow);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}

.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }

.price-card.popular {
  border-color: var(--accent);
  background: linear-gradient(180deg, #eff6ff 0%, #ffffff 100%);
  transform: scale(1.04);
  box-shadow: 0 20px 60px rgba(37, 99, 235, 0.2);
}

.price-card.popular:hover { transform: scale(1.06) translateY(-4px); }

.popular-badge {
  position: absolute;
  top: -16px; left: 50%;
  transform: translateX(-50%);
  background: var(--gradient2);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 12px;
  padding: 6px 20px;
  border-radius: 50px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.price-label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 4px;
}

.price-qty {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 22px;
  color: var(--primary);
  margin-bottom: 4px;
}

.price-days {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.price-card img:not(.payment-logos) {
  max-width: 140px;
  margin: 0 auto 20px;
}

.price-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 12px;
  margin-bottom: 4px;
}

.old-price {
  font-size: 18px;
  color: var(--text-muted);
  text-decoration: line-through;
}

.new-price {
  font-family: var(--font-head);
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 900;
  color: var(--accent2);
}

.per-bottle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.price-badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 16px;
}

.badge-green {
  background: rgba(16, 185, 129, 0.1);
  color: #059669;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-blue {
  background: rgba(37, 99, 235, 0.1);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 50px;
  border: 1px solid rgba(37, 99, 235, 0.3);
}

.price-btn { margin-bottom: 12px; }

.payment-logos { max-width: 180px; margin: 8px auto 0; opacity: 0.7; }

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

@media (max-width: 767px) {
  .pricing-grid { grid-template-columns: 1fr; }
  .price-card.popular { transform: scale(1); }
  .price-card.popular:hover { transform: translateY(-4px); }
}
@media (min-width: 576px) and (max-width: 991px) {
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- BONUSES ---- */
.bonuses { background: var(--primary); }
.bonuses .section-title { color: var(--white); }
.bonuses .section-sub { color: rgba(255,255,255,0.65); }

.bonus-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.bonus-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  display: flex;
  gap: 24px;
  align-items: center;
  padding: 28px;
  transition: background var(--transition), transform var(--transition);
}

.bonus-card:hover { background: rgba(37,99,235,0.15); transform: translateY(-4px); }

.bonus-card img {
  width: 100px; height: 120px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.bonus-num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--gold);
  margin-bottom: 8px;
}

.bonus-content h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--white);
  margin-bottom: 10px;
  line-height: 1.35;
}

.bonus-content p { font-size: 14px; color: rgba(255,255,255,0.7); line-height: 1.65; }

@media (max-width: 767px) {
  .bonus-grid { grid-template-columns: 1fr; }
  .bonus-card { flex-direction: column; text-align: center; }
  .bonus-card img { width: 120px; height: auto; }
}

/* ---- INGREDIENTS ---- */
.ingredients { background: var(--light); }

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

.ingredient-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid rgba(37, 99, 235, 0.08);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}

.ingredient-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }

.ing-icon {
  font-size: 36px;
  margin-bottom: 14px;
  display: block;
}

.ingredient-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  color: var(--primary);
  margin-bottom: 10px;
}

.ingredient-card p { font-size: 14px; line-height: 1.7; color: var(--text-muted); }

@media (max-width: 767px) {
  .ingredients-grid { grid-template-columns: 1fr; }
}
@media (min-width: 576px) and (max-width: 991px) {
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ---- SCIENCE ---- */
.science { background: var(--white); }

/* ---- GUARANTEE ---- */
.guarantee { background: var(--light); }

.guarantee-container {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 60px;
  align-items: center;
}

.guarantee-image img {
  max-width: 300px;
  margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(37,99,235,0.15));
}

.guarantee-content h2 {
  font-family: var(--font-head);
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.guarantee-intro {
  font-size: 16px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.7;
}

.guarantee-points { display: flex; flex-direction: column; gap: 20px; margin-bottom: 28px; }

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

.guar-icon {
  font-size: 28px;
  flex-shrink: 0;
  width: 52px; height: 52px;
  background: var(--light2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.guar-point h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--primary);
  margin-bottom: 6px;
}

.guar-point p { font-size: 15px; color: var(--text-muted); line-height: 1.65; }

@media (max-width: 767px) {
  .guarantee-container { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .guar-point { flex-direction: column; align-items: center; text-align: center; }
  .guarantee-image { order: 1; }
  .guarantee-content { order: 2; }
}

/* ---- BENEFITS ---- */
.benefits { background: var(--white); }

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--light);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid rgba(37,99,235,0.08);
  transition: transform var(--transition), box-shadow var(--transition);
}

.benefit-item:hover { transform: translateX(6px); box-shadow: var(--shadow); }

.benefit-check {
  width: 36px; height: 36px;
  background: var(--gradient2);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.benefit-item h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--primary);
  margin-bottom: 6px;
}

.benefit-item p { font-size: 14px; color: var(--text-muted); line-height: 1.65; }

@media (max-width: 575px) {
  .benefits-grid { grid-template-columns: 1fr; }
}

/* ---- FAQ ---- */
.faq { background: var(--light); }

/* ---- FINAL CTA ---- */
.final-cta {
  position: relative;
  background: var(--gradient);
  overflow: hidden;
}

.final-cta-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 50%, rgba(37, 99, 235, 0.3), transparent 60%),
    radial-gradient(ellipse at 20% 50%, rgba(16, 185, 129, 0.2), transparent 60%);
  pointer-events: none;
}

.final-cta-container {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.final-image { display: flex; justify-content: center; }

.final-bottle-img {
  max-width: 300px;
  filter: drop-shadow(0 30px 60px rgba(16, 185, 129, 0.3));
  animation: bottleFloat 4s ease-in-out infinite;
}

.final-content { color: var(--white); }

.final-content h2 {
  font-family: var(--font-head);
  font-size: clamp(26px, 3.5vw, 42px);
  font-weight: 900;
  margin-bottom: 20px;
  line-height: 1.2;
  color: var(--white);
}

.final-content h2 .highlight {
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.final-content p {
  font-size: 16px;
  line-height: 1.75;
  color: rgba(255,255,255,0.8);
  margin-bottom: 24px;
}

.final-price {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.final-old {
  font-size: 17px;
  color: rgba(255,255,255,0.55);
}

.final-old del { text-decoration: line-through; }

.final-new {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 900;
  color: var(--gold);
}

.final-btn { margin-bottom: 20px; }

.final-assurances {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  font-weight: 600;
}

.final-assurances span {
  background: rgba(255,255,255,0.1);
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.15);
}

@media (max-width: 767px) {
  .final-cta-container { grid-template-columns: 1fr; gap: 32px; text-align: center; }
  .final-assurances { justify-content: center; }
  .final-price { justify-content: center; }
}

/* ---- FOOTER ---- */
.footer {
  background: #050d1a;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand img { width: 50px; height: 50px; border-radius: 10px; margin-bottom: 12px; object-fit: cover; }
.footer-brand h3 { font-family: var(--font-head); font-weight: 800; font-size: 22px; color: var(--white); margin-bottom: 10px; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }

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

.social-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: background var(--transition), color var(--transition);
}

.social-icon:hover { background: var(--accent); color: var(--white); }

.footer-links-col h4 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--white);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.footer-links-col a,
.footer-legal-links a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  transition: color var(--transition);
}

.footer-links-col a:hover,
.footer-legal-links a:hover { color: var(--white); }

.footer-disclaimer {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
}

.footer-disclaimer p {
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
}

.copyright { font-size: 13px !important; color: rgba(255,255,255,0.5) !important; }
.copyright a { color: var(--accent); }

@media (max-width: 767px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-brand { text-align: center; }
  .social-links { justify-content: center; }
  .footer-links-col { text-align: center; }
  .footer-disclaimer { text-align: center; }
}

/* ---- SCROLL TO TOP ---- */
.scroll-top {
  position: fixed;
  bottom: 28px; right: 28px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--gradient2);
  color: var(--white);
  border: none;
  font-size: 22px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(37,99,235,0.35);
  transition: opacity var(--transition), transform var(--transition);
  opacity: 0;
  pointer-events: none;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: translateY(-4px); }

@media (max-width: 767px) {
  .scroll-top { width: 56px; height: 56px; bottom: 20px; right: 16px; }
}

/* ---- PURCHASE NOTIFICATION ---- */
.notif-popup {
  position: fixed;
  bottom: 90px; left: 20px;
  background: var(--white);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.15);
  border: 1px solid rgba(37, 99, 235, 0.12);
  z-index: 800;
  max-width: 280px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.notif-popup img { width: 40px; height: 40px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }

.notif-text { flex: 1; }
.notif-text strong { font-family: var(--font-head); font-size: 13px; font-weight: 700; display: block; }
.notif-text span { font-size: 12px; color: var(--text-muted); }
.notif-text div { font-size: 12px; color: var(--accent2); font-weight: 600; margin-top: 2px; }

.notif-close {
  background: none;
  border: none;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  flex-shrink: 0;
}

@media (max-width: 767px) {
  .notif-popup { bottom: 20px; left: 50%; transform: translateX(-50%) translateY(200px); max-width: calc(100% - 32px); }
  .notif-popup.show { transform: translateX(-50%) translateY(0); }
}

/* ---- OVERLAY POPUP ---- */
.overlay-popup {
  position: fixed;
  inset: 0;
  background: rgba(10, 22, 40, 0.75);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  backdrop-filter: blur(4px);
}

.overlay-popup.show { opacity: 1; pointer-events: auto; }

.popup-box {
  background: var(--white);
  border-radius: 20px;
  max-width: 520px;
  width: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.3);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}

.overlay-popup.show .popup-box { transform: scale(1); }

.popup-close-link {
  position: absolute;
  top: 14px; right: 18px;
  font-size: 22px;
  color: var(--text-muted);
  text-decoration: none;
  z-index: 1;
  width: 44px; height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background var(--transition);
}

.popup-close-link:hover { background: var(--light); }

.popup-inner {
  display: flex;
  gap: 24px;
  padding: 36px;
  align-items: center;
}

.popup-inner img { width: 110px; flex-shrink: 0; }

.popup-badge {
  background: var(--gradient2);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: 50px;
  display: inline-block;
  margin-bottom: 10px;
}

.popup-content h3 {
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.3;
}

.popup-content p { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-bottom: 16px; }
.popup-cta { display: block; }

.popup-close-text { margin-top: 12px; }
.popup-close-text a { font-size: 13px; color: var(--accent); text-decoration: underline; }

@media (max-width: 480px) {
  .popup-inner { flex-direction: column; text-align: center; padding: 28px 20px; }
  .popup-inner img { width: 80px; }
}

/* ---- PAGE SCROLL PADDING ---- */
section { scroll-margin-top: 70px; }

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