/* ===========================
   VIVALIS - styles.css
   Design: Bold Energy + Deep Navy Premium
   =========================== */

/* Google 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: #0F172A;
  --secondary: #1E3A8A;
  --accent: #F59E0B;
  --accent2: #EF4444;
  --gold: #D4AF37;
  --gradient: linear-gradient(135deg, #1E3A8A 0%, #0EA5E9 100%);
  --gradient-gold: linear-gradient(135deg, #F59E0B 0%, #EF4444 100%);
  --gradient-hero: linear-gradient(135deg, #0F172A 0%, #1E3A8A 50%, #0EA5E9 100%);
  --text: #1E293B;
  --text-light: #64748B;
  --white: #FFFFFF;
  --bg-light: #F8FAFC;
  --bg-section: #F1F5F9;
  --card-bg: #FFFFFF;
  --border: #E2E8F0;
  --shadow: 0 4px 24px rgba(15,23,42,0.10);
  --shadow-lg: 0 12px 48px rgba(15,23,42,0.18);
  --radius: 16px;
  --radius-sm: 10px;
  --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;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
input, select, textarea { font-size: 16px; }

/* ===== UTILITY ===== */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.gradient-text {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-label {
  display: inline-block;
  background: var(--gradient-gold);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 16px;
}
.section-h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 14px;
}
.section-sub {
  font-size: 1rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: center;
  line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--gradient-gold);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  padding: 16px 32px;
  border-radius: 100px;
  border: none;
  cursor: pointer;
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: 52px;
  box-shadow: 0 6px 24px rgba(245,158,11,0.35);
  text-align: center;
  justify-content: center;
}
.btn-primary:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 36px rgba(245,158,11,0.5);
}
.btn-primary:active { transform: scale(0.98); }

/* ===== ANIMATIONS ===== */
.fade-up { opacity: 0; transform: translateY(40px); transition: opacity 0.6s ease, transform 0.6s ease; transition-delay: var(--delay, 0s); }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-left { opacity: 0; transform: translateX(-40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-left.visible { opacity: 1; transform: translateX(0); }
.fade-right { opacity: 0; transform: translateX(40px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-right.visible { opacity: 1; transform: translateX(0); }

@media (prefers-reduced-motion: reduce) {
  .fade-up, .fade-left, .fade-right { opacity: 1; transform: none; transition: none; }
}

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(15,23,42,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.3); }
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  height: 68px;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.6rem;
  color: var(--white);
  letter-spacing: -0.02em;
}
.logo-v {
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 16px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover { color: var(--white); background: rgba(255,255,255,0.08); }
.nav-cta {
  background: var(--gradient-gold);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 10px 22px;
  border-radius: 100px;
  min-height: 44px;
  display: flex;
  align-items: center;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(245,158,11,0.3);
}
.nav-cta:hover { transform: scale(1.05); box-shadow: 0 8px 24px rgba(245,158,11,0.5); }
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  min-height: 44px;
  min-width: 44px;
  align-items: center;
  justify-content: center;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
}
.nav-overlay.active { display: block; }

/* ===== HERO ===== */
.hero {
  background: var(--gradient-hero);
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
  animation: float 6s ease-in-out infinite;
}
.shape1 { width: 400px; height: 400px; top: -100px; right: -100px; animation-delay: 0s; }
.shape2 { width: 250px; height: 250px; bottom: 50px; left: -80px; animation-delay: 2s; }
.shape3 { width: 180px; height: 180px; top: 40%; left: 35%; animation-delay: 4s; }
@keyframes float { 0%,100% { transform: translateY(0) rotate(0deg); } 50% { transform: translateY(-20px) rotate(5deg); } }

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-image-wrap {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: heroImgFloat 4s ease-in-out infinite;
}
@keyframes heroImgFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-16px); } }
.hero-img-glow {
  position: absolute;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(245,158,11,0.35) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
  animation: glowPulse 3s ease-in-out infinite;
}
@keyframes glowPulse { 0%,100% { opacity: 0.6; transform: scale(1); } 50% { opacity: 1; transform: scale(1.1); } }
.hero-product-img {
  position: relative;
  z-index: 1;
  max-height: 420px;
  object-fit: contain;
  filter: drop-shadow(0 20px 60px rgba(0,0,0,0.5));
}
.hero-badge-float {
  position: absolute;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.8rem;
  padding: 8px 16px;
  border-radius: 100px;
  z-index: 2;
  animation: badgePop 2s ease-in-out infinite;
}
.badge-top { top: 10%; right: 0; animation-delay: 0s; }
.badge-bottom { bottom: 10%; left: 0; animation-delay: 1s; }
@keyframes badgePop { 0%,100% { transform: scale(1); } 50% { transform: scale(1.05); } }

.hero-content { color: var(--white); }
.hero-eyebrow {
  display: inline-block;
  background: var(--gradient-gold);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 20px;
  animation: fadeInDown 0.8s ease both;
}
@keyframes fadeInDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }
.hero-h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  margin-bottom: 24px;
  animation: fadeInUp 0.9s 0.2s ease both;
}
@keyframes fadeInUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:translateY(0); } }
.hero-desc {
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
  animation: fadeInUp 0.9s 0.35s ease both;
}
.hero-stars {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 28px;
  animation: fadeInUp 0.9s 0.5s ease both;
}
.hero-stars span { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.hero-cta {
  font-size: 1.1rem;
  padding: 18px 36px;
  margin-bottom: 20px;
  animation: fadeInUp 0.9s 0.65s ease both;
  box-shadow: 0 8px 32px rgba(245,158,11,0.5);
}
.hero-guarantee {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
  animation: fadeInUp 0.9s 0.8s ease both;
}

/* ===== WHY CHOOSE ===== */
.why-choose {
  background: var(--bg-light);
  padding: 80px 0;
  text-align: center;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.why-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
  cursor: default;
}
.why-card:hover {
  transform: scale(1.05) rotate(1deg);
  box-shadow: var(--shadow-lg);
}
.why-icon-wrap {
  width: 80px; height: 80px;
  background: var(--bg-section);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  overflow: hidden;
}
.why-icon { width: 56px; height: 56px; object-fit: contain; }
.why-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.why-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.6; }

/* ===== WHAT IS ===== */
.what-is {
  padding: 80px 0;
  background: var(--white);
}
.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-decoration {
  position: absolute;
  inset: -20px;
  background: var(--gradient);
  border-radius: var(--radius);
  opacity: 0.08;
  z-index: 0;
}
.what-is-img img {
  position: relative;
  z-index: 1;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  max-height: 420px;
  object-fit: contain;
}
.what-is-content .section-h2 { text-align: left; margin-bottom: 20px; }
.what-is-content p { margin-bottom: 16px; font-size: 0.97rem; color: var(--text); line-height: 1.8; }
.what-is-content .btn-primary { margin-top: 16px; }

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 80px 0;
  background: var(--primary);
  color: var(--white);
  text-align: center;
}
.how-it-works .section-h2 { color: var(--white); }
.how-it-works .section-sub { color: rgba(255,255,255,0.65); }
.accordion-list { max-width: 800px; margin: 0 auto; text-align: left; }
.accordion-item {
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  transition: background var(--transition);
}
.accordion-item.active { background: rgba(255,255,255,0.08); }
.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  text-align: left;
  min-height: 56px;
  transition: background var(--transition);
}
.accordion-header:hover { background: rgba(255,255,255,0.06); }
.acc-num {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 800;
  min-width: 28px;
}
.acc-title { flex: 1; }
.acc-icon {
  font-size: 1.4rem;
  color: var(--accent);
  transition: transform 0.3s;
  min-width: 24px;
  text-align: center;
}
.accordion-item.active .acc-icon { transform: rotate(45deg); }
.accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.accordion-item.active .accordion-body { max-height: 400px; }
.accordion-body p {
  padding: 0 24px 20px 68px;
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===== REVIEWS ===== */
.reviews {
  padding: 80px 0;
  background: var(--bg-section);
  text-align: center;
}
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  text-align: left;
}
.review-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  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;
}
.review-avatar {
  width: 56px; height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--accent);
  flex-shrink: 0;
}
.review-name { font-family: var(--font-head); font-weight: 700; font-size: 0.95rem; }
.review-loc { font-size: 0.8rem; color: var(--text-light); }
.review-stars { font-size: 0.9rem; margin-top: 2px; }
.review-text { font-size: 0.92rem; color: var(--text); line-height: 1.7; }

/* ===== PRICING ===== */
.pricing {
  padding: 80px 0;
  background: var(--bg-light);
  text-align: center;
}
.countdown-wrap {
  background: var(--primary);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 16px 28px;
  margin: 0 auto 48px;
}
.countdown-label {
  color: rgba(255,255,255,0.8);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.9rem;
}
.countdown-timer { display: flex; align-items: center; gap: 8px; }
.cd-box {
  background: var(--accent);
  border-radius: 8px;
  padding: 8px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 64px;
}
.cd-box span {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 2rem;
  color: var(--white);
  line-height: 1;
}
.cd-box small { font-size: 0.65rem; color: rgba(255,255,255,0.8); font-weight: 700; letter-spacing: 0.1em; }
.cd-sep { font-family: var(--font-head); font-size: 2rem; font-weight: 900; color: var(--white); }

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.price-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 32px 24px;
  border: 2px solid var(--border);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.price-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.price-card.popular {
  border-color: var(--accent);
  background: var(--primary);
  color: var(--white);
  transform: scale(1.04);
}
.price-card.popular:hover { transform: scale(1.04) translateY(-8px); }
.popular-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gradient-gold);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.78rem;
  padding: 6px 20px;
  border-radius: 100px;
  white-space: nowrap;
}
.price-label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.price-bottles { font-family: var(--font-head); font-weight: 900; font-size: 1.4rem; }
.price-supply { font-size: 0.85rem; color: var(--text-light); }
.price-card.popular .price-supply { color: rgba(255,255,255,0.6); }
.price-card img { max-height: 140px; object-fit: contain; margin: 4px 0; }
.price-amount { font-family: var(--font-head); font-weight: 900; font-size: 2rem; color: var(--primary); }
.price-card.popular .price-amount { color: var(--white); }
.price-strike { text-decoration: line-through; font-size: 1.1rem; color: var(--text-light); margin-right: 4px; }
.price-per { font-size: 0.85rem; color: var(--text-light); }
.price-card.popular .price-per { color: rgba(255,255,255,0.65); }
.bonus-badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; }
.bonus-tag {
  background: rgba(245,158,11,0.15);
  border: 1px solid rgba(245,158,11,0.4);
  color: var(--accent);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 4px 10px;
  border-radius: 100px;
}
.price-card.popular .bonus-tag { background: rgba(245,158,11,0.2); }
.price-btn { width: 100%; font-size: 1rem; }
.payment-icons { max-height: 28px; object-fit: contain; opacity: 0.7; margin-top: 4px; }
.pricing-stars { margin-top: 40px; }
.pricing-stars img { max-height: 60px; object-fit: contain; margin: 0 auto; }

/* ===== BONUS ===== */
.bonus {
  padding: 80px 0;
  background: var(--white);
  text-align: center;
}
.bonus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 48px;
}
.bonus-card {
  background: var(--bg-section);
  border-radius: var(--radius);
  overflow: hidden;
  border: 2px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), box-shadow var(--transition);
}
.bonus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.bonus-card img { width: 100%; max-height: 240px; object-fit: cover; }
.bonus-content { padding: 28px; text-align: left; }
.bonus-num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}
.bonus-content h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.bonus-content p { font-size: 0.92rem; color: var(--text-light); line-height: 1.7; }

/* ===== INGREDIENTS ===== */
.ingredients {
  padding: 80px 0;
  background: var(--bg-section);
  text-align: center;
}
.ingredients-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
  text-align: left;
}
.ing-card {
  background: var(--card-bg);
  border-radius: var(--radius-sm);
  padding: 24px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ing-icon { font-size: 2rem; margin-bottom: 12px; }
.ing-card h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.ing-card p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* ===== SCIENTIFIC EVIDENCE ===== */
.science {
  padding: 80px 0;
  background: var(--white);
  text-align: center;
}
.science-list { max-width: 800px; margin: 48px auto 0; text-align: left; }
.science-item {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.science-item:last-child { border-bottom: none; }
.science-icon { font-size: 2rem; flex-shrink: 0; margin-top: 4px; }
.science-content h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.science-content p { font-size: 0.92rem; color: var(--text-light); line-height: 1.8; min-font-size: 14px; }

/* ===== GUARANTEE ===== */
.guarantee {
  padding: 80px 0;
  background: var(--bg-section);
}
.guarantee-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
}
.guarantee-img img { max-width: 260px; object-fit: contain; }
.guarantee-content .section-h2 { text-align: left; margin-bottom: 24px; }
.guarantee-point {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  align-items: flex-start;
}
.gp-icon { font-size: 1.8rem; flex-shrink: 0; margin-top: 2px; }
.guarantee-point h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.guarantee-point p { font-size: 0.92rem; color: var(--text-light); line-height: 1.7; }

/* ===== BENEFITS ===== */
.benefits {
  padding: 80px 0;
  background: var(--white);
  text-align: center;
}
.benefits-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 48px auto 0;
  text-align: left;
}
.benefit-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.benefit-item:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.benefit-check { font-size: 1.4rem; flex-shrink: 0; margin-top: 2px; }
.benefit-item h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.benefit-item p { font-size: 0.88rem; color: var(--text-light); line-height: 1.6; }

/* ===== FAQ ===== */
.faq {
  padding: 80px 0;
  background: var(--bg-section);
  text-align: center;
}
.faq-list { max-width: 760px; margin: 48px auto 0; text-align: left; }
.faq-item {
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--primary);
  text-align: left;
  min-height: 56px;
  gap: 12px;
  transition: background var(--transition);
}
.faq-question:hover { background: var(--bg-light); }
.faq-icon {
  font-size: 1.4rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item.active .faq-answer { max-height: 300px; }
.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.93rem;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== FINAL CTA ===== */
.final-cta {
  background: var(--gradient-hero);
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}
.final-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.final-shape {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.fs1 { width: 500px; height: 500px; top: -150px; right: -150px; animation: float 8s ease-in-out infinite; }
.fs2 { width: 300px; height: 300px; bottom: -100px; left: -80px; animation: float 6s 2s ease-in-out infinite; }

.final-cta-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 60px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 20px;
}
.final-product-img {
  max-width: 280px;
  object-fit: contain;
  filter: drop-shadow(0 20px 50px rgba(0,0,0,0.5));
  animation: heroImgFloat 4s ease-in-out infinite;
}
.final-cta-content { color: var(--white); }
.final-cta-content .section-label { margin-bottom: 12px; }
.final-h2 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 24px;
}
.final-price-wrap { margin-bottom: 20px; }
.final-regular {
  display: block;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 4px;
}
.final-price {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 2rem;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.final-desc {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.8);
  line-height: 1.8;
  margin-bottom: 28px;
}
.final-btn { font-size: 1.15rem; padding: 20px 40px; width: 100%; max-width: 480px; }
.final-guarantee-note {
  margin-top: 14px;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--primary);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-logo {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.8rem;
  color: var(--white);
  margin-bottom: 14px;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.social-icon {
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  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;
  color: var(--white);
  font-size: 0.95rem;
  margin-bottom: 16px;
}
.footer-links-col a {
  display: block;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  transition: color var(--transition);
}
.footer-links-col a:hover { color: var(--accent); }
.footer-disclaimer {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-disclaimer p { font-size: 0.8rem; color: rgba(255,255,255,0.45); line-height: 1.7; }
.footer-bottom {
  padding: 20px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
}
.footer-legal-links { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.legal-link { font-size: 0.82rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.legal-link:hover { color: var(--accent); }
.link-separator { color: rgba(255,255,255,0.25); }
.footer-copy { font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-copy a { color: var(--accent); }

/* ===== PURCHASE NOTIFICATION ===== */
.notif-popup {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9000;
  background: var(--white);
  border-radius: 12px;
  padding: 14px 48px 14px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.2);
  border-left: 4px solid var(--accent);
  max-width: 300px;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.4s, transform 0.4s;
}
.notif-popup.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.notif-img { width: 44px; height: 44px; object-fit: contain; border-radius: 8px; flex-shrink: 0; }
.notif-text { font-size: 0.82rem; line-height: 1.4; }
.notif-text strong { font-family: var(--font-head); font-size: 0.88rem; }
.notif-close-link {
  position: absolute;
  top: 8px; right: 8px;
  font-size: 0.75rem;
  color: var(--text-light);
  font-weight: 700;
  padding: 4px 6px;
  min-width: 28px; min-height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg-light);
  transition: background var(--transition);
}
.notif-close-link:hover { background: var(--accent); color: var(--white); }

/* ===== EXIT POPUP ===== */
.exit-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}
.exit-overlay.show { display: flex; }
.exit-popup {
  background: var(--white);
  border-radius: var(--radius);
  padding: 40px 36px;
  max-width: 440px;
  width: calc(100% - 40px);
  text-align: center;
  position: relative;
  animation: popIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes popIn { from { opacity:0; transform:scale(0.85); } to { opacity:1; transform:scale(1); } }
.exit-close {
  position: absolute;
  top: 12px; right: 14px;
  background: var(--bg-section);
  border: none;
  border-radius: 50%;
  width: 32px; height: 32px;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--text-light);
  display: flex; align-items: center; justify-content: center;
}
.exit-badge {
  background: var(--accent2);
  color: var(--white);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 6px 20px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 16px;
}
.exit-popup h3 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.exit-popup p { font-size: 0.92rem; color: var(--text-light); margin-bottom: 20px; }
.exit-price {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 2rem;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 20px;
}
.exit-cta { width: 100%; }
.exit-small { margin-top: 12px; font-size: 0.78rem; color: var(--text-light); }

/* ===== SCROLL TO TOP ===== */
.scroll-top {
  position: fixed;
  bottom: 28px;
  right: 24px;
  z-index: 8000;
  width: 52px; height: 52px;
  background: var(--gradient-gold);
  color: var(--white);
  border: none;
  border-radius: 50%;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(245,158,11,0.4);
  transition: opacity var(--transition), transform var(--transition);
  opacity: 0;
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; }
.scroll-top:hover { transform: scale(1.1); }

/* ===========================
   RESPONSIVE BREAKPOINTS
   =========================== */

/* Tablet: 768px */
@media (max-width: 1024px) {
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 992px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .hero-container { grid-template-columns: 1fr; gap: 40px; }
  .hero-image-wrap { order: 1; }
  .hero-content { order: 2; text-align: center; }
  .hero-stars { justify-content: center; }
  .hero-guarantee { text-align: center; }
  .what-is-grid { grid-template-columns: 1fr; }
  .what-is-content .section-h2 { text-align: center; }
  .what-is-content .btn-primary { display: flex; margin: 16px auto 0; width: fit-content; }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
  .price-card.popular { transform: none; }
  .price-card.popular:hover { transform: translateY(-8px); }
  .benefits-grid { grid-template-columns: 1fr; }
  .guarantee-grid { grid-template-columns: 1fr; text-align: center; }
  .guarantee-img { display: flex; justify-content: center; }
  .guarantee-content .section-h2 { text-align: center; }
  .final-cta-inner { grid-template-columns: 1fr; text-align: center; }
  .final-product-img { max-width: 200px; margin: 0 auto; }
  .final-btn { margin: 0 auto; }
  .bonus-grid { grid-template-columns: 1fr; }
}

/* Mobile: 768px */
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    bottom: 0;
    width: 80%;
    max-width: 320px;
    background: var(--primary);
    flex-direction: column;
    align-items: flex-start;
    padding: 80px 24px 40px;
    gap: 8px;
    transition: right 0.35s cubic-bezier(0.4,0,0.2,1);
    z-index: 1000;
    border-left: 1px solid rgba(255,255,255,0.1);
  }
  .nav-links.open { right: 0; }
  .nav-link { font-size: 1.1rem; padding: 12px 16px; width: 100%; }
  .nav-cta { width: 100%; text-align: center; margin-top: 16px; }
  .hamburger { display: flex; }
  .hero { padding: 80px 0 50px; }
  .hero-h1 { font-size: clamp(1.5rem, 6vw, 2rem); }
  .hero-product-img { max-height: 280px; }
  .why-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-legal-links { justify-content: center; }
  .countdown-wrap { flex-direction: column; gap: 12px; padding: 20px; width: 100%; }
  .cd-box span { font-size: 2.4rem; }
  section { padding: 60px 0; }
  .notif-popup { left: 12px; right: 12px; max-width: none; bottom: 80px; }
}

/* Small mobile: 576px */
@media (max-width: 576px) {
  .why-grid { grid-template-columns: 1fr; }
  .hero-container { gap: 28px; }
  .hero-badge-float { display: none; }
  .accordion-body p { padding: 0 16px 16px 16px; }
  .science-item { flex-direction: column; gap: 10px; }
  .final-cta-inner { padding: 0 16px; }
  .exit-popup { padding: 32px 24px; }
}

/* Very small: 320px */
@media (max-width: 400px) {
  html { font-size: 15px; }
  .container { padding: 0 16px; }
  .btn-primary { padding: 14px 24px; font-size: 0.95rem; }
  .price-card { padding: 24px 16px; }
}