/* =====================================================
   TURBOTEST™ — Premium Luxury Landing Page
   Design: Black + Gold + White
   Font: Playfair Display + DM Sans
   Mobile-First Responsive
   ===================================================== */

/* === CSS VARIABLES === */
:root {
  --black: #0A0A0A;
  --dark: #111111;
  --dark-2: #1A1A1A;
  --dark-3: #222222;
  --gold: #D4AF37;
  --gold-light: #E8C84A;
  --gold-dark: #B8962E;
  --white: #FFFFFF;
  --off-white: #F5F5F0;
  --gray: #999999;
  --gray-light: #CCCCCC;
  --gray-dark: #666666;
  --success: #22C55E;
  --danger: #EF4444;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, sans-serif;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --shadow-gold: 0 4px 30px rgba(212,175,55,0.25);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === 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);
  background: var(--black);
  color: var(--off-white);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--gold-light); }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.text-center { text-align: center; }
.text-left { text-align: left !important; }

.gold { color: var(--gold); }

/* === SECTION TITLES === */
.section-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.section-subtitle {
  text-align: center;
  color: var(--gray-light);
  font-size: 1rem;
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

.section-desc {
  color: var(--gray-light);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
  max-width: 900px;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  min-height: 48px;
  padding: 14px 28px;
  transition: all var(--transition);
  text-decoration: none;
  line-height: 1.2;
}

.btn:active { transform: scale(0.97); }

.btn-nav {
  background: var(--gold);
  color: var(--black);
  font-size: 0.875rem;
  padding: 10px 20px;
  min-height: 40px;
}

.btn-hero {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--black);
  font-size: 1.1rem;
  padding: 16px 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-gold);
  width: 100%;
  max-width: 420px;
}
.btn-hero:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 40px rgba(212,175,55,0.4);
  color: var(--black);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--black);
  padding: 14px 32px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-gold);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(212,175,55,0.35);
  color: var(--black);
}

.btn-pulse {
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 30px rgba(212,175,55,0.25); }
  50% { box-shadow: 0 4px 50px rgba(212,175,55,0.5); }
}

/* === NAVIGATION === */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10,10,10,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(212,175,55,0.1);
  transition: all var(--transition);
}

.nav-header.scrolled {
  background: rgba(10,10,10,0.97);
  box-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--white);
  z-index: 1001;
}

.logo-icon { font-size: 1.5rem; }

.logo-text {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.nav-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--dark);
  padding: 100px 30px 40px;
  display: flex;
  flex-direction: column;
  gap: 30px;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 999;
  border-left: 1px solid rgba(212,175,55,0.15);
}

.nav-menu.active { right: 0; }

.nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.nav-link {
  color: var(--off-white);
  font-size: 1.05rem;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: block;
  transition: color var(--transition);
}
.nav-link:hover, .nav-link.active-link { color: var(--gold); }

.nav-menu .btn-nav { width: 100%; text-align: center; margin-top: 10px; }

.hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  z-index: 1001;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--gold);
  transition: all 0.3s ease;
  border-radius: 2px;
}

.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); }

.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 998;
}
.nav-overlay.active { opacity: 1; visibility: visible; }

/* === HERO === */
.hero {
  position: relative;
  padding: 100px 0 60px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 50% 0%, rgba(212,175,55,0.06) 0%, transparent 60%),
              var(--black);
}

.hero-bg-particles {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(2px 2px at 20% 30%, rgba(212,175,55,0.2), transparent),
    radial-gradient(2px 2px at 80% 20%, rgba(212,175,55,0.15), transparent),
    radial-gradient(2px 2px at 50% 80%, rgba(212,175,55,0.1), transparent),
    radial-gradient(2px 2px at 10% 60%, rgba(212,175,55,0.12), transparent),
    radial-gradient(2px 2px at 90% 70%, rgba(212,175,55,0.08), transparent);
  pointer-events: none;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.hero-image-col { 
  width: 100%; 
  display: flex; 
  justify-content: center; 
}

.hero-image-wrapper {
  position: relative;
  max-width: 320px;
  animation: float 4s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 110%;
  height: 110%;
  background: radial-gradient(circle, rgba(212,175,55,0.15) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  filter: blur(30px);
}

.hero-product-img {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 10px 30px rgba(212,175,55,0.2));
}

.hero-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--black);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.75rem;
  box-shadow: var(--shadow-md);
  z-index: 3;
}

.hero-content-col { width: 100%; }

.hero-trust-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 1.25rem;
  font-size: 0.8rem;
  color: var(--gray-light);
}

.hero-trust-bar span {
  background: rgba(212,175,55,0.08);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(212,175,55,0.15);
}

.hero-headline {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-desc {
  color: var(--gray-light);
  font-size: 0.95rem;
  margin-bottom: 1rem;
  line-height: 1.7;
}

.hero-benefits {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hero-benefits li {
  font-size: 1rem;
  font-weight: 500;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.hero-sub-cta {
  font-size: 0.85rem;
  color: var(--gray);
  margin-top: 0.75rem;
  text-align: center;
}

/* === WHY CHOOSE === */
.why-choose {
  padding: 60px 0;
  background: var(--dark);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.trust-card {
  background: var(--dark-2);
  border: 1px solid rgba(212,175,55,0.1);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
}
.trust-card:hover {
  border-color: rgba(212,175,55,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-gold);
}

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

.trust-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--gold);
}

.trust-card p {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.6;
}

/* === WHO IS IT FOR === */
.who-for {
  padding: 60px 0;
  background: var(--black);
}

.who-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.who-card {
  background: linear-gradient(135deg, var(--dark-2), var(--dark-3));
  border: 1px solid rgba(212,175,55,0.08);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition);
}
.who-card:hover {
  border-color: rgba(212,175,55,0.2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.who-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}

.who-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--gold);
  margin-bottom: 10px;
}

.who-card p {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.7;
}

/* === WHAT IS === */
.what-is {
  padding: 60px 0;
  background: var(--dark);
}

.what-is-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.what-is-text .section-title { text-align: left; }

.what-is-text p {
  color: var(--gray-light);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}

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

.what-is-image img {
  border-radius: var(--radius-lg);
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

/* === HOW IT WORKS === */
.how-works {
  padding: 60px 0;
  background: var(--black);
}

.steps-timeline {
  position: relative;
  max-width: 700px;
  margin: 2.5rem auto;
  padding-left: 40px;
}

.steps-timeline::before {
  content: '';
  position: absolute;
  left: 16px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--gold), rgba(212,175,55,0.1));
}

.step-item {
  position: relative;
  margin-bottom: 2rem;
  padding-left: 24px;
}

.step-number {
  position: absolute;
  left: -40px;
  top: 0;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
  z-index: 2;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 6px;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.7;
}

/* === REVIEWS === */
.reviews {
  padding: 60px 0;
  background: var(--dark);
}

.reviews-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.review-card {
  background: var(--dark-2);
  border: 1px solid rgba(212,175,55,0.08);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}
.review-card:hover {
  border-color: rgba(212,175,55,0.2);
  transform: translateY(-2px);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.review-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}

.review-name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
}

.review-location {
  font-size: 0.8rem;
  color: var(--gray);
}

.review-stars {
  color: var(--gold);
  font-size: 1.2rem;
  letter-spacing: 2px;
  margin-bottom: 10px;
}

.review-text {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 10px;
}

.review-verified {
  font-size: 0.8rem;
  color: var(--success);
  font-weight: 600;
}

/* Review Animation */
@keyframes slideInReview {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.review-card.animate-in {
  animation: slideInReview 0.6s ease forwards;
}

/* === RESEARCH BACKED === */
.research-backed {
  padding: 60px 0;
  background: var(--black);
}

.research-backed .section-desc {
  margin: 0 auto 1.5rem;
}

.research-list {
  list-style: none;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.research-list li {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--gray-light);
  padding: 12px 16px;
  background: var(--dark-2);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold);
}

.research-list a {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* === PRICING === */
.pricing {
  padding: 60px 0;
  background: linear-gradient(180deg, var(--dark), var(--black));
}

.countdown-wrapper {
  text-align: center;
  margin-bottom: 2rem;
}

.countdown-label {
  font-size: 1rem;
  color: var(--gold);
  font-weight: 600;
  margin-bottom: 1rem;
}

.countdown-timer {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--dark-2);
  padding: 16px 32px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--gold);
  box-shadow: var(--shadow-gold);
}

.countdown-block { text-align: center; }

.countdown-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
}

.countdown-unit {
  font-size: 0.7rem;
  color: var(--gray);
  font-weight: 600;
  letter-spacing: 2px;
}

.countdown-sep {
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
  animation: blink 1s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.pricing-image {
  text-align: center;
  margin-bottom: 2rem;
}

.pricing-image img {
  margin: 0 auto;
  border-radius: var(--radius-md);
  max-width: 100%;
}

/* === INGREDIENTS === */
.ingredients {
  padding: 60px 0;
  background: var(--dark);
}

.ingredients-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.ingredient-card {
  background: var(--dark-2);
  border: 1px solid rgba(212,175,55,0.08);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  transition: all var(--transition);
}
.ingredient-card:hover {
  border-color: rgba(212,175,55,0.25);
  background: var(--dark-3);
}

.ingredient-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.ingredient-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--gold);
  margin-bottom: 8px;
}

.ingredient-card p {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.7;
}

/* === SCIENCE ACCORDIONS === */
.science {
  padding: 60px 0;
  background: var(--black);
}

.science-accordions {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.science-acc {
  border: 1px solid rgba(212,175,55,0.1);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.acc-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--dark-2);
  border: none;
  color: var(--off-white);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 48px;
  text-align: left;
  gap: 12px;
  transition: background var(--transition);
}
.acc-trigger:hover { background: var(--dark-3); }

.acc-icon {
  font-size: 1.3rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.acc-trigger[aria-expanded="true"] .acc-icon { transform: rotate(45deg); }

.acc-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.acc-panel p {
  padding: 0 20px 20px;
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.8;
}

.acc-panel a { text-decoration: underline; text-underline-offset: 3px; }

/* === GUARANTEE === */
.guarantee {
  padding: 60px 0;
  background: var(--dark);
}

.guarantee-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

.guarantee-image img {
  max-width: 280px;
  margin: 0 auto;
}

.guarantee-text .section-title { text-align: center; }

.guarantee-text > p {
  color: var(--gray-light);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
  text-align: center;
}

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

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

.guar-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.guar-point h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold);
  margin-bottom: 4px;
}

.guar-point p {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.6;
}

/* === BENEFITS === */
.benefits {
  padding: 60px 0;
  background: var(--black);
}

.benefits-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 16px 20px;
  background: var(--dark-2);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(212,175,55,0.06);
  transition: all var(--transition);
}
.benefit-item:hover { border-color: rgba(212,175,55,0.2); }

.benefit-check {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.benefit-item h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 4px;
}

.benefit-item p {
  font-size: 0.88rem;
  color: var(--gray-light);
  line-height: 1.6;
}

/* === PROS AND CONS === */
.pros-cons {
  padding: 60px 0;
  background: var(--dark);
}

.pc-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 2rem auto 0;
}

.pc-col {
  background: var(--dark-2);
  border-radius: var(--radius-md);
  padding: 28px 24px;
}

.pc-col h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.pros h3 { color: var(--success); }
.cons h3 { color: var(--danger); }

.pros { border: 1px solid rgba(34,197,94,0.2); }
.cons { border: 1px solid rgba(239,68,68,0.2); }

.pc-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }

.pc-col li {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.6;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.pc-col li:last-child { border-bottom: none; padding-bottom: 0; }

/* === WHERE TO BUY === */
.where-buy {
  padding: 60px 0;
  background: var(--black);
}

.where-buy .section-desc {
  max-width: 800px;
  margin: 1.5rem auto 0;
  text-align: center;
}

/* === BUY PROCESS === */
.buy-process {
  padding: 60px 0;
  background: var(--dark);
}

.buy-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 2rem auto;
}

.buy-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 20px;
  background: var(--dark-2);
  border-radius: var(--radius-md);
  border: 1px solid rgba(212,175,55,0.08);
}

.buy-step-num {
  width: 40px;
  height: 40px;
  min-width: 40px;
  background: linear-gradient(135deg, var(--gold), var(--gold-dark));
  color: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
}

.buy-step h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--gold);
  margin-bottom: 6px;
}

.buy-step p {
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.6;
}

.buy-note {
  max-width: 800px;
  margin: 1rem auto;
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.7;
  text-align: center;
  padding: 0 20px;
}

/* === FAQ === */
.faq {
  padding: 60px 0;
  background: var(--black);
}

.faq-list {
  max-width: 800px;
  margin: 2rem auto 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.faq-item {
  border: 1px solid rgba(212,175,55,0.1);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.faq-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--dark-2);
  border: none;
  color: var(--off-white);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  min-height: 52px;
  text-align: left;
  gap: 12px;
  transition: background var(--transition);
}
.faq-trigger:hover { background: var(--dark-3); }

.faq-icon {
  font-size: 1.4rem;
  color: var(--gold);
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-trigger[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

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

.faq-answer p {
  padding: 0 20px 20px;
  font-size: 0.9rem;
  color: var(--gray-light);
  line-height: 1.8;
}

.faq-answer a { text-decoration: underline; }

/* === FINAL CTA === */
.final-cta {
  padding: 60px 0;
  background: radial-gradient(ellipse at 50% 50%, rgba(212,175,55,0.08) 0%, transparent 70%),
              var(--dark);
}

.final-cta-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  text-align: center;
}

.final-cta-image {
  position: relative;
  max-width: 300px;
  animation: float 4s ease-in-out infinite;
}

.final-cta-text { width: 100%; }

.final-cta-text .section-title { text-align: center; }

.final-cta-text > p {
  color: var(--gray-light);
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.final-price {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 1.5rem;
}

.price-old {
  font-size: 1.3rem;
  color: var(--gray);
  text-decoration: line-through;
}

.price-new {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--gold);
}

.price-new small {
  font-size: 0.5em;
  color: var(--gray-light);
}

/* === FOOTER === */
.site-footer {
  background: var(--dark);
  border-top: 1px solid rgba(212,175,55,0.1);
  padding: 40px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.footer-logo { margin-bottom: 12px; }

.footer-desc {
  font-size: 0.85rem;
  color: var(--gray);
  line-height: 1.6;
  margin-bottom: 16px;
}

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

.footer-social a {
  width: 40px;
  height: 40px;
  background: var(--dark-3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-light);
  transition: all var(--transition);
}
.footer-social a:hover { background: var(--gold); color: var(--black); }

.footer-col h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--gold);
  margin-bottom: 12px;
}

.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }

.footer-col a {
  font-size: 0.88rem;
  color: var(--gray-light);
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--gold); }

.footer-disclaimer {
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 20px;
}

.footer-disclaimer p {
  font-size: 0.78rem;
  color: var(--gray-dark);
  line-height: 1.6;
  margin-bottom: 8px;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--gray-dark);
}

.payment-cards {
  height: 24px;
  width: auto;
  opacity: 0.6;
}

/* === SCROLL TO TOP === */
.scroll-top {
  position: fixed;
  bottom: 24px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: var(--gold);
  color: var(--black);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 900;
}
.scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.scroll-top:hover { transform: translateY(-3px); }

/* === PURCHASE POPUP === */
.purchase-popup {
  position: fixed;
  bottom: 24px;
  left: 20px;
  max-width: 320px;
  z-index: 800;
  transform: translateY(120%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.popup-inner {
  background: var(--dark-2);
  border: 1px solid rgba(212,175,55,0.2);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.popup-close {
  position: absolute;
  top: 8px;
  right: 12px;
  font-size: 1.2rem;
  color: var(--gray);
  cursor: pointer;
  min-width: 28px;
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.popup-icon { font-size: 1.5rem; }

.popup-text {
  font-size: 0.82rem;
  color: var(--off-white);
  line-height: 1.4;
  flex: 1;
  padding-right: 20px;
}

.popup-time {
  font-size: 0.72rem;
  color: var(--gray);
  width: 100%;
  padding-left: 38px;
}

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

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* === REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .hero-image-wrapper { animation: none; }
  .final-cta-image { animation: none; }
  html { scroll-behavior: auto; }
}

/* =========================
   RESPONSIVE — TABLET (576px+)
   ========================= */
@media (min-width: 576px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .who-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .pc-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .buy-steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =========================
   RESPONSIVE — TABLET LARGE (768px+)
   ========================= */
@media (min-width: 768px) {
  .container { padding-left: 32px; padding-right: 32px; }

  .section-title { font-size: 2.1rem; }
  .section-subtitle { font-size: 1.05rem; }

  /* NAV DESKTOP */
  .hamburger { display: none; }
  .nav-overlay { display: none; }

  .nav-menu {
    position: static;
    width: auto;
    max-width: none;
    height: auto;
    background: none;
    padding: 0;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    border: none;
  }

  .nav-links {
    flex-direction: row;
    gap: 0;
  }

  .nav-link {
    padding: 8px 12px;
    font-size: 0.9rem;
    border-bottom: none;
  }

  .nav-menu .btn-nav { width: auto; margin-top: 0; }

  /* HERO */
  .hero { padding: 120px 0 80px; }

  .hero-grid {
    flex-direction: row;
    gap: 3rem;
  }

  .hero-image-col { width: 40%; }
  .hero-content-col { width: 60%; }
  .hero-image-wrapper { max-width: 380px; }
  .hero-headline { font-size: 2.2rem; }

  /* WHAT IS */
  .what-is-grid {
    flex-direction: row-reverse;
    align-items: center;
    gap: 3rem;
  }
  .what-is-text { flex: 1; }
  .what-is-image { flex: 0 0 40%; }
  .what-is-image img { max-width: 100%; }

  /* GUARANTEE */
  .guarantee-grid {
    flex-direction: row;
    align-items: center;
    gap: 3rem;
  }
  .guarantee-image { flex: 0 0 35%; }
  .guarantee-text { flex: 1; }
  .guarantee-text .section-title { text-align: left; }
  .guarantee-text > p { text-align: left; }

  /* FINAL CTA */
  .final-cta-inner {
    flex-direction: row;
    text-align: left;
  }
  .final-cta-image { flex: 0 0 35%; }
  .final-cta-text { flex: 1; }
  .final-cta-text .section-title { text-align: left; }
  .final-price { justify-content: flex-start; }

  .footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

/* =========================
   RESPONSIVE — DESKTOP (1024px+)
   ========================= */
@media (min-width: 1024px) {
  .container { padding-left: 40px; padding-right: 40px; }

  .section-title { font-size: 2.5rem; }

  .hero-headline { font-size: 2.75rem; }
  .hero-desc { font-size: 1rem; }

  .trust-grid { grid-template-columns: repeat(4, 1fr); }
  .who-grid { grid-template-columns: repeat(3, 1fr); }
  .reviews-grid { grid-template-columns: repeat(3, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(4, 1fr); }

  .hero-image-wrapper { max-width: 420px; }

  .btn-hero { width: auto; }
}

/* =========================
   RESPONSIVE — LARGE DESKTOP (1440px+)
   ========================= */
@media (min-width: 1440px) {
  .container { max-width: 1280px; }
  .hero-headline { font-size: 3rem; }
}