/* ====================================
   ZenSulin Official - Main Stylesheet
   ==================================== */

:root {
  /* Brand palette - matches label */
  --primary: #8B2C2C;
  --primary-dark: #6B1F1F;
  --primary-light: #A93838;
  --gold: #D4A547;
  --gold-light: #E8C268;
  --cream: #FAF6F0;
  --cream-dark: #F0E8DC;
  --ink: #2C1810;
  --text: #3C2A1F;
  --text-soft: #6B5547;
  --border: #E5D9CA;
  --success: #2D7A4E;
  --danger: #C0392B;
  --white: #FFFFFF;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(44, 24, 16, 0.06);
  --shadow-md: 0 6px 24px rgba(44, 24, 16, 0.10);
  --shadow-lg: 0 12px 40px rgba(44, 24, 16, 0.15);
  --radius: 14px;
  --radius-lg: 22px;
  --transition: 0.2s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Lora', Georgia, serif;
  color: var(--text);
  background: var(--cream);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Playfair Display', Georgia, serif;
  color: var(--ink);
  line-height: 1.25;
  font-weight: 700;
}

h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); margin-bottom: 0.6em; }
h3 { font-size: clamp(1.2rem, 2.4vw, 1.5rem); margin-bottom: 0.5em; }
p  { margin-bottom: 1em; }

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }

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

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 22px;
}

section { padding: 64px 0; }

/* ====== ANNOUNCEMENT BAR ====== */
.announce-bar {
  background: var(--primary-dark);
  color: var(--white);
  font-size: 14px;
  padding: 9px 12px;
  text-align: center;
  font-weight: 500;
  letter-spacing: 0.3px;
}
.announce-bar a { color: var(--gold-light); font-weight: 700; text-decoration: underline; }

/* ====== HEADER ====== */
.site-header {
  background: var(--white);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  max-width: 1180px;
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Playfair Display', serif;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}
.brand img { width: 36px; height: 36px; }
.nav-list {
  display: flex;
  gap: 26px;
  list-style: none;
  align-items: center;
}
.nav-list a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  font-family: 'Inter', sans-serif;
}
.nav-list a:hover { color: var(--primary); }
.nav-cta {
  background: var(--primary);
  color: var(--white) !important;
  padding: 9px 18px;
  border-radius: 30px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--primary-dark); color: var(--white) !important; }

/* ====== HERO ====== */
.hero {
  background: linear-gradient(135deg, var(--cream) 0%, var(--cream-dark) 100%);
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(212, 165, 71, 0.15), transparent 70%);
  border-radius: 50%;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: center;
  position: relative;
}
.hero-badge {
  display: inline-block;
  background: var(--gold);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 30px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  margin-bottom: 14px;
  color: var(--ink);
}
.hero h1 em {
  color: var(--primary);
  font-style: italic;
}
.hero-sub {
  font-size: 1.08rem;
  color: var(--text-soft);
  margin-bottom: 22px;
  max-width: 520px;
}
.hero-bullets {
  list-style: none;
  margin-bottom: 28px;
}
.hero-bullets li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 16px;
  color: var(--text);
}
.check-svg {
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-top: 2px;
}
.btn {
  display: inline-block;
  padding: 16px 36px;
  background: var(--primary);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 16px;
  border-radius: 40px;
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  transition: all var(--transition);
  box-shadow: 0 6px 18px rgba(139, 44, 44, 0.3);
}
.btn:hover {
  background: var(--primary-dark);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(139, 44, 44, 0.4);
}
.btn-gold {
  background: var(--gold);
  color: var(--ink);
  box-shadow: 0 6px 18px rgba(212, 165, 71, 0.35);
}
.btn-gold:hover { background: var(--gold-light); color: var(--ink); }
.hero-trust {
  display: flex;
  gap: 20px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.hero-trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: var(--text-soft);
}
.hero-trust-item svg {
  width: 18px; height: 18px;
  color: var(--success);
}
.hero-image {
  position: relative;
  text-align: center;
  animation: float 4s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.hero-image img {
  max-width: 100%;
  max-height: 600px;
  width: auto;
  margin: 0 auto;
  filter: drop-shadow(0 22px 40px rgba(44, 24, 16, 0.2));
}

/* ====== TRUST STRIP ====== */
.trust-strip {
  background: var(--white);
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.trust-grid {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}
.trust-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-soft);
  text-align: center;
  max-width: 140px;
}
.trust-badge .icon {
  width: 44px; height: 44px;
  background: var(--cream-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

/* ====== WHY CHOOSE ====== */
.section-title {
  text-align: center;
  margin-bottom: 12px;
}
.section-eyebrow {
  text-align: center;
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}
.section-sub {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 40px;
  color: var(--text-soft);
  font-size: 1.05rem;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 50px;
  align-items: center;
}
.why-img img {
  max-width: 100%;
  max-height: 560px;
  width: auto;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: block;
}
.why-list { list-style: none; }
.why-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
  font-size: 1rem;
}
.why-list li strong {
  display: block;
  color: var(--ink);
  font-family: 'Playfair Display', serif;
  font-size: 1.15rem;
  margin-bottom: 4px;
}

/* ====== PROBLEM SECTION (DARK) ====== */
.problem-section {
  background: var(--ink);
  color: var(--cream);
}
.problem-section h2 { color: var(--cream); }
.problem-section .section-eyebrow { color: var(--gold-light); }
.problem-section .section-sub { color: rgba(250, 246, 240, 0.8); }
.pain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 36px;
}
.pain-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(212, 165, 71, 0.2);
  border-radius: var(--radius);
  padding: 24px 20px;
}
.pain-card .icon {
  width: 44px; height: 44px;
  background: var(--gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  margin-bottom: 14px;
}
.pain-card h3 { color: var(--cream); font-size: 1.15rem; }
.pain-card p { font-size: 14.5px; color: rgba(250, 246, 240, 0.78); margin: 0; }

/* ====== AI ANSWER BLOCK ====== */
.ai-answer {
  background: linear-gradient(135deg, #FFF8E7 0%, #FAF6F0 100%);
  border-left: 4px solid var(--gold);
  padding: 22px 26px;
  border-radius: var(--radius);
  margin: 28px auto;
  max-width: 820px;
  box-shadow: var(--shadow-sm);
}
.ai-answer strong {
  display: block;
  font-family: 'Playfair Display', serif;
  color: var(--ink);
  font-size: 1.1rem;
  margin-bottom: 8px;
}
.ai-answer p { margin: 0; color: var(--text); font-size: 0.98rem; }

/* ====== WHAT IS ====== */
.what-is-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 50px;
  align-items: center;
  margin-top: 30px;
}
.what-is-grid img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }

/* ====== HOW IT WORKS ====== */
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}
.how-card {
  background: var(--white);
  padding: 28px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.how-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.how-card .num {
  display: inline-block;
  width: 42px; height: 42px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.2rem;
  text-align: center;
  line-height: 42px;
  margin-bottom: 14px;
}
.how-card h3 { font-size: 1.15rem; }
.how-card p { font-size: 15px; color: var(--text-soft); margin: 0; }

/* ====== DIAGRAM ====== */
.diagram-section {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.diagram-label {
  display: inline-block;
  background: var(--gold);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.diagram-wrap {
  background: var(--cream);
  border-radius: var(--radius-lg);
  padding: 30px;
  margin-top: 24px;
  text-align: center;
}
.diagram-wrap svg {
  max-width: 100%;
  height: auto;
}

/* ====== PRICING ====== */
.pricing-section { background: var(--cream-dark); }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
  align-items: stretch;
}
.pricing-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  text-align: center;
  border: 2px solid var(--border);
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.pricing-card.featured {
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured:hover {
  transform: scale(1.05) translateY(-4px);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 4px;
  color: var(--primary);
}
.pricing-card .supply {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-soft);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.pricing-card .product-img {
  width: 220px;
  height: 220px;
  object-fit: contain;
  margin: 0 auto 14px;
}
.pricing-card.featured .product-img {
  width: 240px;
  height: 240px;
}
.price-block { margin: 14px 0; }
.price-main {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1;
}
.price-per {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-soft);
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
.price-original {
  text-decoration: line-through;
  color: var(--text-soft);
  font-size: 15px;
  margin: 6px 0;
}
.savings {
  background: var(--gold);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 20px;
  display: inline-block;
  margin: 8px 0 12px;
}
.shipping-line {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--success);
  font-weight: 600;
  margin-bottom: 14px;
}
.pricing-card .btn { width: 100%; padding: 14px; margin-top: auto; }
.pricing-card .guarantee-mini {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--text-soft);
  margin-top: 10px;
}

/* ====== INGREDIENTS ====== */
.ingredients-section { background: var(--white); }
.ing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 30px;
}
.ing-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 24px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition);
}
.ing-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.ing-card .ing-icon {
  width: 50px; height: 50px;
  background: var(--primary);
  color: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.2rem;
}
.ing-tag {
  display: inline-block;
  background: var(--gold);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.ing-card h3 {
  font-size: 1.15rem;
  color: var(--ink);
  margin-bottom: 4px;
}
.ing-card .ing-dose {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 10px;
}
.ing-card p { font-size: 14.5px; color: var(--text-soft); margin: 0; }

/* ====== BENEFITS ====== */
.benefits-section { background: var(--cream); }
.ben-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 36px;
}
.ben-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px 20px;
  text-align: center;
  border-top: 4px solid var(--gold);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}
.ben-card:hover { transform: translateY(-3px); }
.ben-card .ben-icon {
  width: 50px; height: 50px;
  background: var(--cream-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin: 0 auto 14px;
}
.ben-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.ben-card p { font-size: 14px; color: var(--text-soft); margin: 0; }

/* ====== TIMELINE ====== */
.timeline-section { background: var(--white); }
.tl-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  margin-top: 36px;
  position: relative;
}
.tl-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 26px 22px;
  text-align: center;
  border: 1px solid var(--border);
  position: relative;
}
.tl-card .tl-num {
  width: 56px; height: 56px;
  background: var(--primary);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.3rem;
}
.tl-card .tl-time {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.tl-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.tl-card p { font-size: 14px; color: var(--text-soft); margin: 0; }

/* ====== COMPARISON TABLE ====== */
.compare-section { background: var(--cream-dark); }
.compare-table {
  width: 100%;
  margin-top: 30px;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border-collapse: collapse;
  font-family: 'Inter', sans-serif;
}
.compare-table th, .compare-table td {
  padding: 16px 18px;
  text-align: left;
  font-size: 15px;
  border-bottom: 1px solid var(--border);
}
.compare-table th {
  background: var(--ink);
  color: var(--cream);
  font-weight: 700;
  font-family: 'Playfair Display', serif;
  font-size: 1rem;
}
.compare-table th.us-col { background: var(--primary); }
.compare-table tbody tr:nth-child(even) { background: var(--cream); }
.compare-table .us-col { color: var(--success); font-weight: 700; }
.compare-table .yes { color: var(--success); font-weight: 700; }
.compare-table .no { color: var(--danger); font-weight: 700; }

/* ====== REVIEWS ====== */
.reviews-section { background: var(--white); }
.rev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 36px;
}
.rev-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 26px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.rev-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}
.rev-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--gold);
}
.rev-name {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  color: var(--ink);
  font-size: 1.02rem;
}
.rev-loc {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--text-soft);
}
.rev-stars { color: var(--gold); margin-bottom: 6px; letter-spacing: 1px; }
.rev-verified {
  display: inline-block;
  background: var(--success);
  color: var(--white);
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 9px;
  border-radius: 20px;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.rev-text {
  font-size: 14.5px;
  font-style: italic;
  color: var(--text);
  line-height: 1.6;
}

/* ====== GUARANTEE ====== */
.guarantee-section {
  background: linear-gradient(135deg, var(--ink), var(--primary-dark));
  color: var(--cream);
  text-align: center;
}
.guarantee-section h2 { color: var(--cream); }
.guarantee-section p { color: rgba(250, 246, 240, 0.9); max-width: 700px; margin: 0 auto 16px; }
.guarantee-seal {
  width: 240px; height: 240px;
  margin: 0 auto 30px;
  background:
    radial-gradient(circle at center, var(--ink) 0 60px, transparent 60px),
    conic-gradient(from 0deg, var(--gold), var(--gold-light), var(--gold));
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 40px rgba(212, 165, 71, 0.4);
  border: 6px solid var(--gold-light);
}
.guarantee-seal .seal-inner {
  position: absolute;
  inset: 12px;
  border-radius: 50%;
  background: var(--ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gold);
  font-family: 'Playfair Display', serif;
  border: 2px dashed var(--gold);
}
.guarantee-seal .seal-num {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}
.guarantee-seal .seal-label {
  font-size: 11px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-top: 6px;
  color: var(--cream);
}
.guarantee-section .btn { margin-top: 16px; }

/* ====== CONTRAINDICATIONS ====== */
.contra-section { background: var(--white); }
.contra-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}
.contra-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  background: var(--cream);
  border-radius: var(--radius);
  border-left: 4px solid var(--danger);
}
.contra-item .x-icon {
  width: 26px; height: 26px;
  background: var(--danger);
  color: var(--white);
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
}
.contra-item strong {
  display: block;
  color: var(--ink);
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  margin-bottom: 3px;
}
.contra-item p { font-size: 14.5px; color: var(--text-soft); margin: 0; }

/* ====== FAQ ====== */
.faq-section { background: var(--cream); }
.faq-list { margin-top: 30px; max-width: 880px; margin-left: auto; margin-right: auto; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius);
  margin-bottom: 14px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 18px 24px;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
}
.faq-q::after {
  content: '+';
  font-size: 1.6rem;
  color: var(--primary);
  font-weight: 400;
  transition: transform var(--transition);
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 24px;
  font-size: 15.5px;
  color: var(--text);
  transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.open .faq-a { max-height: 500px; padding: 0 24px 20px; }

/* ====== SCIENTIFIC REFERENCES ====== */
.refs-section {
  background: var(--white);
  border-top: 1px solid var(--border);
}
.refs-list {
  max-width: 900px;
  margin: 30px auto 0;
  list-style: none;
}
.refs-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
  color: var(--text-soft);
  line-height: 1.6;
}
.refs-list a { color: var(--primary); font-weight: 600; }

/* ====== FINAL CTA ====== */
.final-cta {
  background: linear-gradient(135deg, var(--cream-dark), var(--cream));
  text-align: center;
  padding: 70px 0;
}
.final-cta-img {
  max-width: 620px;
  width: 100%;
  margin: 28px auto 32px;
  filter: drop-shadow(0 18px 36px rgba(44, 24, 16, 0.18));
}
.final-cta h2 { font-size: clamp(1.7rem, 3.6vw, 2.4rem); margin-bottom: 14px; }
.final-cta p { max-width: 600px; margin: 0 auto 10px; color: var(--text-soft); }

/* ====== FOOTER ====== */
.site-footer {
  background: var(--ink);
  color: rgba(250, 246, 240, 0.8);
  padding: 50px 0 22px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}
.footer-grid h4 {
  color: var(--gold);
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  margin-bottom: 14px;
}
.footer-grid ul { list-style: none; }
.footer-grid li { margin-bottom: 8px; font-size: 14.5px; }
.footer-grid a { color: rgba(250, 246, 240, 0.75); transition: color var(--transition); }
.footer-grid a:hover { color: var(--gold); }
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--white);
  margin-bottom: 14px;
  font-weight: 700;
}
.footer-brand img { width: 36px; height: 36px; filter: brightness(0) invert(1); }
.disclaimer-box {
  background: rgba(255, 255, 255, 0.05);
  padding: 16px 18px;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 22px;
  border-left: 3px solid var(--gold);
}
.footer-bottom {
  border-top: 1px solid rgba(250, 246, 240, 0.1);
  padding-top: 20px;
  text-align: center;
  font-size: 13px;
}

/* ====== SOCIAL PROOF POPUP ====== */
.sp-popup {
  position: fixed;
  bottom: 22px;
  left: 22px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 340px;
  z-index: 999;
  border-left: 4px solid var(--success);
  font-family: 'Inter', sans-serif;
  transform: translateX(-120%);
  transition: transform 0.4s ease;
}
.sp-popup.show { transform: translateX(0); }
.sp-popup .sp-img {
  width: 44px; height: 44px;
  background: var(--cream-dark);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}
.sp-popup .sp-text { font-size: 13.5px; color: var(--text); line-height: 1.4; }
.sp-popup .sp-text strong { color: var(--ink); }
.sp-popup .sp-time { color: var(--text-soft); font-size: 12px; margin-top: 2px; display: block; }
.sp-popup .sp-close {
  background: none;
  border: none;
  position: absolute;
  top: 6px;
  right: 8px;
  font-size: 16px;
  color: var(--text-soft);
  cursor: pointer;
}

/* ====== EXIT INTENT POPUP ====== */
.exit-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.exit-overlay.show { display: flex; }
.exit-modal {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  max-width: 460px;
  text-align: center;
  position: relative;
  animation: popIn 0.3s ease;
}
@keyframes popIn {
  from { transform: scale(0.9); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.exit-modal h3 {
  font-size: 1.6rem;
  color: var(--primary);
  margin-bottom: 10px;
}
.exit-modal .exit-close {
  position: absolute;
  top: 12px; right: 16px;
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-soft);
  cursor: pointer;
}

/* ====== MOBILE STICKY CTA ====== */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--primary);
  padding: 12px 16px;
  z-index: 99;
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.2);
}
.mobile-sticky-cta a {
  display: block;
  background: var(--gold);
  color: var(--ink);
  text-align: center;
  padding: 14px;
  border-radius: 30px;
  font-family: 'Inter', sans-serif;
  font-weight: 700;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ====== RESPONSIVE - 900px ====== */
@media (max-width: 900px) {
  section { padding: 48px 0; }
  .nav-list li:not(:last-child) { display: none; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-image { order: -1; max-width: 320px; margin: 0 auto; }
  .why-grid, .what-is-grid { grid-template-columns: 1fr; gap: 30px; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .how-grid { grid-template-columns: repeat(2, 1fr); }
  .ing-grid { grid-template-columns: repeat(2, 1fr); }
  .ben-grid { grid-template-columns: repeat(2, 1fr); }
  .tl-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .pricing-card.featured { transform: scale(1); order: -1; }
  .pricing-card.featured:hover { transform: translateY(-4px); }
  .rev-grid { grid-template-columns: 1fr; }
  .contra-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .compare-table { font-size: 13px; }
  .compare-table th, .compare-table td { padding: 10px 8px; }
  .mobile-sticky-cta { display: block; }
  body { padding-bottom: 70px; }
  .sp-popup { left: 12px; right: 12px; max-width: none; }
}

/* ====== RESPONSIVE - 560px ====== */
@media (max-width: 560px) {
  section { padding: 40px 0; }
  .container { padding: 0 16px; }
  .pain-grid { grid-template-columns: 1fr; }
  .how-grid { grid-template-columns: 1fr; }
  .ing-grid { grid-template-columns: 1fr; }
  .ben-grid { grid-template-columns: 1fr 1fr; }
  .tl-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .trust-grid { gap: 12px; }
  .trust-badge { font-size: 11px; max-width: 100px; }
  .trust-badge .icon { width: 36px; height: 36px; }
  .hero { padding: 36px 0 36px; }
  .hero h1 { font-size: 1.7rem; }
  .pricing-card .product-img { width: 180px; height: 180px; }
  .pricing-card.featured .product-img { width: 200px; height: 200px; }
  .guarantee-seal { width: 200px; height: 200px; }
  .guarantee-seal .seal-num { font-size: 2.4rem; }
  .compare-table { font-size: 12px; }
  .compare-table th, .compare-table td { padding: 8px 6px; }
  .ai-answer { padding: 18px 20px; }
}