/* ============================================
   VivoGut - main.css
   Marine-inspired gut health supplement
   ============================================ */

:root {
  --primary: #0e8a9e;
  --primary-dark: #0a5d6b;
  --primary-light: #2bb1c4;
  --accent: #f4b942;
  --accent-dark: #d4901a;
  --dark: #1a2e35;
  --light: #f9f7f1;
  --cream: #fef9ed;
  --bg: #ffffff;
  --text: #2c3e44;
  --muted: #6b7c83;
  --border: #e5ebed;
  --success: #2da06e;
  --danger: #c44d3d;
  --shadow-sm: 0 2px 6px rgba(10, 46, 53, 0.06);
  --shadow-md: 0 6px 18px rgba(10, 46, 53, 0.10);
  --shadow-lg: 0 14px 40px rgba(10, 46, 53, 0.14);
  --radius: 14px;
  --radius-lg: 22px;
  --container: 1180px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }
h1, h2, h3, h4 { font-family: 'Playfair Display', 'Inter', Georgia, serif; color: var(--dark); margin: 0 0 0.6em; line-height: 1.2; font-weight: 700; }
h2 { font-size: clamp(1.7rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
p { margin: 0 0 1em; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 22px; }

/* ============ ANNOUNCEMENT BAR ============ */
.announcement {
  background: linear-gradient(90deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 10px 18px;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  z-index: 99;
}
.announcement a { color: var(--accent); text-decoration: underline; font-weight: 700; }
.announcement a:hover { color: #fff; }

/* ============ HEADER ============ */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 90;
  padding: 14px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.logo { display: flex; align-items: center; gap: 10px; font-family: 'Playfair Display', serif; font-size: 1.55rem; font-weight: 700; color: var(--dark); }
.logo-mark { width: 40px; height: 40px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--accent); font-weight: 800; font-size: 1.1rem; font-family: 'Inter', sans-serif; box-shadow: 0 4px 10px rgba(14, 138, 158, 0.25); }
.nav { display: flex; gap: 28px; align-items: center; }
.nav a { color: var(--text); font-size: 0.95rem; font-weight: 500; padding: 8px 2px; position: relative; }
.nav a:hover { color: var(--primary); }
.nav a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary); transition: width 0.2s; }
.nav a:hover::after { width: 100%; }
.cta-btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--dark);
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 50px;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(244, 185, 66, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(244, 185, 66, 0.45); color: var(--dark); }
.cta-btn.large { padding: 18px 38px; font-size: 1.1rem; }
.cta-btn.full { display: block; width: 100%; }

.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 26px; height: 3px; background: var(--dark); margin: 5px 0; border-radius: 2px; }

/* ============ HERO ============ */
.hero {
  background: linear-gradient(135deg, #e8f5f7 0%, #fef9ed 60%, #fef0d4 100%);
  padding: 70px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero::before { content: ''; position: absolute; top: -20%; right: -10%; width: 50%; height: 140%; background: radial-gradient(circle, rgba(14, 138, 158, 0.08) 0%, transparent 70%); pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 1.15fr 1fr; gap: 50px; align-items: center; position: relative; }
.hero-badge { display: inline-block; background: rgba(14, 138, 158, 0.12); color: var(--primary-dark); padding: 7px 16px; border-radius: 50px; font-size: 0.83rem; font-weight: 600; letter-spacing: 0.4px; text-transform: uppercase; margin-bottom: 18px; }
.hero h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); line-height: 1.18; margin-bottom: 18px; }
.hero h1 em { color: var(--primary); font-style: normal; }
.hero-sub { font-size: 1.13rem; color: var(--muted); margin-bottom: 26px; max-width: 540px; }
.hero-bullets { list-style: none; padding: 0; margin: 0 0 28px; }
.hero-bullets li { display: flex; align-items: flex-start; gap: 12px; padding: 7px 0; font-size: 1.02rem; color: var(--text); }
.check-icon { flex-shrink: 0; width: 22px; height: 22px; background: var(--accent); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; margin-top: 2px; }
.check-icon svg { width: 13px; height: 13px; fill: var(--dark); }
.hero-trust { display: flex; gap: 24px; margin-top: 26px; flex-wrap: wrap; }
.trust-pill { display: flex; align-items: center; gap: 8px; font-size: 0.86rem; color: var(--primary-dark); font-weight: 600; }
.trust-pill::before { content: '✓'; background: var(--primary); color: #fff; width: 22px; height: 22px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 0.78rem; font-weight: 700; }

.hero-img-wrap { position: relative; text-align: center; }
.hero-img-wrap img { max-width: 520px; width: 100%; filter: drop-shadow(0 20px 40px rgba(10, 46, 53, 0.18)); animation: float 4s ease-in-out infinite; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }

/* ============ TRUST STRIP ============ */
.trust-strip { background: var(--dark); padding: 22px 0; }
.trust-row { display: flex; justify-content: space-around; align-items: center; gap: 28px; flex-wrap: wrap; }
.trust-item { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 0.92rem; font-weight: 500; }
.trust-item svg { width: 28px; height: 28px; fill: var(--accent); }

/* ============ SECTION BASE ============ */
section { padding: 80px 0; }
.section-eyebrow { display: block; text-align: center; color: var(--primary); font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; font-size: 0.85rem; margin-bottom: 10px; }
.section-title { text-align: center; max-width: 760px; margin: 0 auto 18px; }
.section-intro { text-align: center; color: var(--muted); max-width: 720px; margin: 0 auto 50px; font-size: 1.08rem; }

/* ============ AI ANSWER BLOCK ============ */
.ai-answer {
  background: linear-gradient(135deg, #eef9fb, #e8f5f7);
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 22px 26px;
  margin: 0 auto 40px;
  max-width: 880px;
  box-shadow: var(--shadow-sm);
}
.ai-answer .ai-q { font-weight: 700; color: var(--primary-dark); margin-bottom: 8px; font-size: 1.06rem; }
.ai-answer .ai-a { color: var(--text); margin: 0; font-size: 1rem; line-height: 1.65; }

/* ============ WHY CHOOSE ============ */
.why-choose { background: var(--light); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.why-img-wrap { text-align: center; }
.why-img-wrap img { max-width: 460px; width: 100%; filter: drop-shadow(0 12px 28px rgba(10, 46, 53, 0.15)); }
.why-list { list-style: none; padding: 0; margin: 0; }
.why-list li { display: flex; gap: 16px; padding: 16px 0; border-bottom: 1px solid rgba(14, 138, 158, 0.12); }
.why-list li:last-child { border-bottom: none; }
.why-list h4 { margin: 0 0 6px; font-size: 1.18rem; }
.why-list p { margin: 0; color: var(--muted); font-size: 0.98rem; }

/* ============ PROBLEM SECTION ============ */
.problem { background: linear-gradient(135deg, #0a2e35, #1a3e48); color: #fff; }
.problem h2 { color: #fff; }
.problem .section-intro { color: rgba(255, 255, 255, 0.78); }
.problem .ai-answer { background: rgba(244, 185, 66, 0.10); border-left-color: var(--accent); }
.problem .ai-answer .ai-q { color: var(--accent); }
.problem .ai-answer .ai-a { color: rgba(255, 255, 255, 0.92); }
.pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 40px; }
.pain-card { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.10); border-radius: var(--radius); padding: 26px 22px; text-align: center; transition: transform 0.2s, background 0.2s; }
.pain-card:hover { transform: translateY(-4px); background: rgba(255, 255, 255, 0.10); }
.pain-icon { width: 56px; height: 56px; background: rgba(244, 185, 66, 0.15); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; font-size: 1.8rem; }
.pain-card h4 { color: var(--accent); margin: 0 0 10px; font-size: 1.1rem; }
.pain-card p { color: rgba(255, 255, 255, 0.78); font-size: 0.94rem; margin: 0; }

/* ============ WHAT IS ============ */
.what-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 50px; align-items: center; margin-top: 20px; }
.what-img-wrap { text-align: center; }
.what-img-wrap img { max-width: 380px; filter: drop-shadow(0 14px 32px rgba(10, 46, 53, 0.16)); }
.what-content p { font-size: 1.04rem; }

/* ============ HOW IT WORKS ============ */
.how { background: var(--cream); }
.mechanism-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 30px; }
.mech-card { background: #fff; border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow-sm); transition: transform 0.2s, box-shadow 0.2s; border-top: 4px solid var(--primary); }
.mech-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.mech-num { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--accent); border-radius: 12px; font-weight: 800; font-size: 1.15rem; margin-bottom: 16px; font-family: 'Inter', sans-serif; }
.mech-card h4 { margin: 0 0 10px; font-size: 1.18rem; color: var(--dark); }
.mech-card p { margin: 0; color: var(--muted); font-size: 0.97rem; }

/* ============ UNIQUE SVG DIAGRAM ============ */
.diagram-section { background: linear-gradient(180deg, #fff 0%, #eef9fb 100%); }
.unique-tag { display: inline-block; background: var(--accent); color: var(--dark); padding: 5px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; margin: 0 auto 14px; text-align: center; }
.unique-tag-wrap { text-align: center; }
.diagram-wrap { max-width: 980px; margin: 30px auto 0; background: #fff; border-radius: var(--radius-lg); padding: 40px 30px; box-shadow: var(--shadow-md); }
.diagram-wrap svg { width: 100%; height: auto; max-width: 100%; }
.diagram-caption { text-align: center; color: var(--muted); font-size: 0.95rem; margin-top: 20px; font-style: italic; }

/* ============ PRICING ============ */
.pricing { background: linear-gradient(180deg, var(--light) 0%, #fff 100%); }
.pricing-grid { display: grid; grid-template-columns: 1fr 1.05fr 1fr; gap: 24px; align-items: stretch; max-width: 1100px; margin: 30px auto 0; }
.price-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 26px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s, box-shadow 0.25s;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.featured {
  border-color: var(--accent);
  transform: scale(1.05);
  box-shadow: 0 18px 50px rgba(244, 185, 66, 0.30);
  background: linear-gradient(180deg, #fffbf0, #fff);
}
.price-card.featured:hover { transform: scale(1.06) translateY(-4px); }
.best-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--dark);
  padding: 7px 22px;
  border-radius: 50px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  box-shadow: 0 6px 14px rgba(244, 185, 66, 0.45);
  white-space: nowrap;
}
.pack-label { color: var(--muted); font-weight: 600; letter-spacing: 1.2px; text-transform: uppercase; font-size: 0.84rem; margin-bottom: 6px; }
.pack-name { font-family: 'Playfair Display', serif; font-size: 1.55rem; color: var(--dark); margin: 0 0 18px; font-weight: 700; }
.price-img { width: 220px; height: 220px; object-fit: contain; margin: 10px auto 14px; }
.price-card.featured .price-img { width: 240px; height: 240px; }
.price-amount { font-size: 2.6rem; font-weight: 800; color: var(--primary-dark); font-family: 'Playfair Display', serif; line-height: 1; }
.price-old { text-decoration: line-through; color: var(--muted); font-size: 1.1rem; margin-right: 6px; font-weight: 500; }
.price-unit { color: var(--muted); font-size: 0.95rem; margin: 6px 0 18px; }
.price-total { font-size: 1.08rem; color: var(--text); margin-bottom: 8px; font-weight: 500; }
.price-total strong { color: var(--primary-dark); }
.price-savings { color: var(--success); font-weight: 700; font-size: 0.95rem; margin-bottom: 18px; }
.price-shipping { font-size: 0.88rem; color: var(--muted); margin-bottom: 20px; }
.price-shipping.free { color: var(--success); font-weight: 600; }
.price-includes { background: rgba(14, 138, 158, 0.06); border-radius: 10px; padding: 12px 14px; margin-bottom: 18px; font-size: 0.88rem; color: var(--primary-dark); font-weight: 600; }
.price-card .cta-btn { margin-top: auto; }

/* Bonus Cards Below Pricing */
.bonus-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; max-width: 1100px; margin: 60px auto 0; }
.bonus-card { background: #fff; border-radius: var(--radius); padding: 24px 18px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border); transition: transform 0.2s; }
.bonus-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.bonus-card img { width: 140px; height: 180px; object-fit: contain; margin: 0 auto 14px; }
.bonus-card .bonus-value { color: var(--muted); text-decoration: line-through; font-size: 0.85rem; }
.bonus-card .bonus-free { color: var(--success); font-weight: 700; font-size: 0.95rem; margin-bottom: 8px; }
.bonus-card h4 { font-size: 1rem; margin: 0 0 6px; }
.bonus-card p { font-size: 0.84rem; color: var(--muted); margin: 0; }

/* ============ INGREDIENTS ============ */
.ingredients-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 30px; }
.ing-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 26px 22px; transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s; }
.ing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.ing-icon { width: 54px; height: 54px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; font-size: 1.7rem; color: var(--accent); }
.ing-tag { display: inline-block; background: rgba(244, 185, 66, 0.15); color: var(--accent-dark); padding: 4px 10px; border-radius: 6px; font-size: 0.74rem; font-weight: 700; letter-spacing: 0.4px; text-transform: uppercase; margin-bottom: 10px; }
.ing-card h4 { margin: 0 0 8px; font-size: 1.18rem; }
.ing-card p { margin: 0; color: var(--muted); font-size: 0.95rem; line-height: 1.6; }

/* ============ BENEFITS ============ */
.benefits { background: var(--light); }
.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.benefit-card { background: #fff; border-radius: var(--radius); padding: 28px 22px; text-align: center; box-shadow: var(--shadow-sm); transition: transform 0.2s; }
.benefit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.benefit-icon { width: 58px; height: 58px; background: rgba(14, 138, 158, 0.10); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 14px; font-size: 1.7rem; color: var(--primary); }
.benefit-card h4 { font-size: 1.05rem; margin: 0 0 8px; }
.benefit-card p { font-size: 0.9rem; color: var(--muted); margin: 0; }

/* ============ TIMELINE ============ */
.timeline-section { background: linear-gradient(180deg, #fff 0%, var(--cream) 100%); }
.timeline-wrap { max-width: 980px; margin: 30px auto 0; position: relative; }
.timeline-wrap::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, var(--primary), var(--accent)); transform: translateX(-50%); }
.timeline-item { display: grid; grid-template-columns: 1fr 60px 1fr; gap: 30px; margin-bottom: 50px; align-items: center; }
.timeline-item:nth-child(even) .tl-content { grid-column: 3; text-align: left; }
.timeline-item:nth-child(even) .tl-spacer { grid-column: 1; }
.tl-content { background: #fff; border-radius: var(--radius); padding: 24px 26px; box-shadow: var(--shadow-sm); border-left: 4px solid var(--primary); }
.timeline-item:nth-child(even) .tl-content { border-left: none; border-right: 4px solid var(--accent); }
.tl-content h4 { margin: 0 0 8px; font-size: 1.2rem; color: var(--primary-dark); }
.tl-content .tl-week { color: var(--accent-dark); font-weight: 700; font-size: 0.85rem; letter-spacing: 0.6px; text-transform: uppercase; margin-bottom: 6px; }
.tl-content p { margin: 0; color: var(--text); font-size: 0.96rem; }
.tl-node { grid-column: 2; display: flex; align-items: center; justify-content: center; }
.tl-dot { width: 44px; height: 44px; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--dark); font-weight: 800; box-shadow: 0 4px 14px rgba(244, 185, 66, 0.4); z-index: 2; }

/* ============ COMPARISON TABLE ============ */
.comparison { background: #fff; }
.comp-wrap { overflow-x: auto; max-width: 1080px; margin: 20px auto 0; }
.comp-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 720px; }
.comp-table th, .comp-table td { padding: 18px 16px; text-align: center; border-bottom: 1px solid var(--border); }
.comp-table thead th { background: var(--dark); color: #fff; font-weight: 700; font-size: 0.95rem; }
.comp-table thead th.featured { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: var(--accent); }
.comp-table thead th:first-child { border-top-left-radius: 12px; text-align: left; }
.comp-table thead th:last-child { border-top-right-radius: 12px; }
.comp-table td:first-child { text-align: left; font-weight: 600; color: var(--dark); }
.comp-table td.featured { background: rgba(244, 185, 66, 0.08); font-weight: 600; color: var(--primary-dark); }
.comp-yes { color: var(--success); font-size: 1.3rem; font-weight: 700; }
.comp-no { color: var(--danger); font-size: 1.3rem; font-weight: 700; }
.comp-partial { color: var(--accent-dark); }

/* ============ REVIEWS ============ */
.reviews { background: var(--cream); }
.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 30px; }
.review-card { background: #fff; border-radius: var(--radius); padding: 26px 24px; box-shadow: var(--shadow-sm); position: relative; transition: transform 0.2s; }
.review-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.review-stars { color: var(--accent); margin-bottom: 12px; font-size: 1.05rem; letter-spacing: 2px; }
.review-text { font-size: 0.96rem; line-height: 1.6; color: var(--text); margin-bottom: 18px; font-style: italic; }
.review-user { display: flex; align-items: center; gap: 12px; }
.review-avatar { width: 50px; height: 50px; border-radius: 50%; object-fit: cover; background: var(--light); }
.review-name { font-weight: 700; color: var(--dark); font-size: 0.98rem; margin: 0; }
.review-loc { font-size: 0.83rem; color: var(--muted); margin: 0; }
.verified-badge { display: inline-flex; align-items: center; gap: 4px; background: rgba(45, 160, 110, 0.10); color: var(--success); font-size: 0.74rem; padding: 3px 8px; border-radius: 12px; font-weight: 600; margin-top: 4px; }
.verified-badge::before { content: '✓'; }

/* ============ GUARANTEE ============ */
.guarantee { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); color: #fff; text-align: center; }
.guarantee h2 { color: #fff; }
.guarantee-inner { display: grid; grid-template-columns: 280px 1fr; gap: 50px; align-items: center; max-width: 980px; margin: 0 auto; text-align: left; }
.guarantee-seal { width: 260px; height: 260px; margin: 0 auto; }
.guarantee-seal img { width: 100%; filter: drop-shadow(0 10px 30px rgba(0,0,0,0.25)); }
.guarantee-content h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; }
.guarantee-content p { color: rgba(255, 255, 255, 0.92); font-size: 1.04rem; margin-bottom: 12px; }
.guarantee-content .cta-btn { margin-top: 12px; }

/* ============ CONTRAINDICATIONS ============ */
.contra { background: #fff; }
.contra-wrap { max-width: 880px; margin: 30px auto 0; background: linear-gradient(135deg, #fff5f3, #fef9ed); border-radius: var(--radius-lg); padding: 40px 36px; border: 1px solid rgba(196, 77, 61, 0.15); }
.contra-wrap h3 { color: var(--danger); margin-bottom: 18px; font-size: 1.35rem; }
.contra-list { list-style: none; padding: 0; margin: 0; }
.contra-list li { display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px dashed rgba(196, 77, 61, 0.18); align-items: flex-start; }
.contra-list li:last-child { border-bottom: none; }
.contra-icon { flex-shrink: 0; color: var(--danger); font-size: 1.2rem; font-weight: 700; }
.contra-list strong { color: var(--dark); }
.contra-list p { margin: 0; color: var(--text); font-size: 0.98rem; }

/* ============ FAQ ============ */
.faq { background: var(--light); }
.faq-wrap { max-width: 880px; margin: 30px auto 0; }
.faq-item { background: #fff; border-radius: var(--radius); margin-bottom: 14px; box-shadow: var(--shadow-sm); overflow: hidden; transition: box-shadow 0.2s; }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-q { display: flex; justify-content: space-between; align-items: center; padding: 22px 26px; cursor: pointer; font-weight: 700; color: var(--dark); font-size: 1.04rem; gap: 14px; user-select: none; }
.faq-q::after { content: '+'; flex-shrink: 0; width: 30px; height: 30px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 400; transition: transform 0.2s, background 0.2s; }
.faq-item.active .faq-q::after { content: '−'; background: var(--accent); color: var(--dark); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; padding: 0 26px; }
.faq-item.active .faq-a { max-height: 500px; padding: 0 26px 22px; }
.faq-a p { color: var(--text); margin: 0; font-size: 0.98rem; line-height: 1.7; }

/* ============ MEDICAL REVIEWER ============ */
.reviewer { background: #fff; }
.reviewer-card { max-width: 780px; margin: 30px auto 0; background: var(--cream); border-radius: var(--radius-lg); padding: 36px 34px; display: grid; grid-template-columns: 140px 1fr; gap: 30px; align-items: center; box-shadow: var(--shadow-sm); }
.reviewer-img { width: 140px; height: 140px; border-radius: 50%; object-fit: cover; border: 4px solid var(--accent); }
.reviewer-name { margin: 0 0 4px; font-size: 1.3rem; color: var(--dark); }
.reviewer-cred { color: var(--primary-dark); font-weight: 600; font-size: 0.93rem; margin-bottom: 12px; }
.reviewer-bio { color: var(--text); font-size: 0.96rem; margin: 0; line-height: 1.6; }

/* ============ REFERENCES ============ */
.references { background: var(--light); }
.ref-wrap { max-width: 880px; margin: 30px auto 0; }
.ref-list { list-style: none; padding: 0; margin: 0; counter-reset: ref; }
.ref-list li { background: #fff; padding: 14px 22px 14px 56px; border-radius: 10px; margin-bottom: 10px; position: relative; font-size: 0.92rem; box-shadow: var(--shadow-sm); }
.ref-list li::before { counter-increment: ref; content: counter(ref); position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.85rem; }
.ref-list a { color: var(--primary-dark); word-break: break-word; }
.ref-list a:hover { color: var(--accent-dark); }

/* ============ FINAL CTA ============ */
.final-cta { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%); color: #fff; text-align: center; padding: 80px 0; }
.final-cta h2 { color: #fff; max-width: 800px; margin: 0 auto 18px; }
.final-cta p { color: rgba(255, 255, 255, 0.86); font-size: 1.1rem; max-width: 700px; margin: 0 auto 30px; }

/* ============ FOOTER ============ */
.footer { background: #0a2329; color: rgba(255, 255, 255, 0.78); padding: 60px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer h5 { color: var(--accent); font-family: 'Inter', sans-serif; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.8px; margin: 0 0 16px; font-weight: 700; }
.footer-brand p { font-size: 0.92rem; color: rgba(255, 255, 255, 0.68); margin: 12px 0 0; }
.footer ul { list-style: none; padding: 0; margin: 0; }
.footer ul li { margin-bottom: 10px; font-size: 0.92rem; }
.footer ul a { color: rgba(255, 255, 255, 0.78); }
.footer ul a:hover { color: var(--accent); }
.disclaimer { font-size: 0.83rem; color: rgba(255, 255, 255, 0.58); line-height: 1.6; border-top: 1px solid rgba(255, 255, 255, 0.10); padding-top: 26px; }
.disclaimer p { margin: 0 0 12px; }
.copyright { text-align: center; color: rgba(255, 255, 255, 0.5); font-size: 0.84rem; margin-top: 24px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, 0.06); }

/* ============ MOBILE STICKY CTA ============ */
.mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  padding: 12px 16px;
  z-index: 95;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
}
.mobile-cta a { display: block; text-align: center; color: var(--dark); font-weight: 800; font-size: 1.02rem; padding: 12px; background: rgba(26, 46, 53, 0.10); border-radius: 8px; }

/* ============ SOCIAL PROOF POPUP ============ */
.social-popup {
  position: fixed;
  bottom: 20px;
  left: 20px;
  background: #fff;
  border-radius: 12px;
  padding: 14px 18px 14px 14px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.18);
  max-width: 320px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 12px;
  transform: translateX(-120%);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
  border: 1px solid var(--border);
}
.social-popup.show { transform: translateX(0); }
.social-popup-img { width: 48px; height: 48px; flex-shrink: 0; background: var(--light); border-radius: 8px; display: flex; align-items: center; justify-content: center; padding: 4px; }
.social-popup-img img { width: 100%; height: 100%; object-fit: contain; }
.social-popup-content { flex: 1; font-size: 0.85rem; line-height: 1.4; }
.social-popup-content strong { display: block; color: var(--dark); font-size: 0.92rem; }
.social-popup-content .pop-name { color: var(--primary-dark); font-weight: 600; }
.social-popup-content .pop-time { color: var(--muted); font-size: 0.78rem; margin-top: 2px; }
.social-popup-close { position: absolute; top: 6px; right: 8px; background: none; border: none; color: var(--muted); font-size: 1.1rem; cursor: pointer; padding: 4px; line-height: 1; }
.social-popup-close:hover { color: var(--dark); }

/* ============ RESPONSIVE — 900px ============ */
@media (max-width: 900px) {
  body { font-size: 16px; }
  section { padding: 60px 0; }
  .hamburger { display: block; }
  .nav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px; gap: 0; box-shadow: var(--shadow-md); border-top: 1px solid var(--border); }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; width: 100%; border-bottom: 1px solid var(--border); }
  .nav a:last-of-type { border: none; }
  .header .cta-btn { display: none; }
  .header .nav .cta-btn { display: block; margin-top: 10px; }
  .hero { padding: 40px 0 50px; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .hero h1 { order: 1; }
  .hero-img-wrap { order: 2; }
  .hero-sub { order: 3; margin: 0 auto 18px; }
  .hero-bullets { order: 4; text-align: left; max-width: 460px; margin: 0 auto 26px; }
  .hero-bullets li { font-size: 0.98rem; }
  .hero .cta-btn { order: 5; }
  .hero-trust { order: 6; justify-content: center; gap: 16px; }
  .why-grid { grid-template-columns: 1fr; gap: 30px; }
  .what-grid { grid-template-columns: 1fr; gap: 30px; text-align: center; }
  .what-img-wrap img { margin: 0 auto; }
  .pain-grid { grid-template-columns: repeat(2, 1fr); }
  .mechanism-grid { grid-template-columns: repeat(2, 1fr); }
  .ingredients-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; max-width: 460px; }
  .price-card.featured { transform: none; }
  .price-card.featured:hover { transform: translateY(-4px); }
  .bonus-row { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .timeline-wrap::before { left: 22px; }
  .timeline-item { grid-template-columns: 50px 1fr; gap: 18px; }
  .timeline-item .tl-content, .timeline-item:nth-child(even) .tl-content { grid-column: 2; text-align: left; border-left: 4px solid var(--primary); border-right: none; }
  .timeline-item:nth-child(even) .tl-spacer { display: none; }
  .timeline-item .tl-node, .timeline-item .tl-spacer { grid-column: 1; }
  .guarantee-inner { grid-template-columns: 1fr; text-align: center; }
  .guarantee-seal { width: 200px; height: 200px; margin: 0 auto 20px; }
  .reviewer-card { grid-template-columns: 1fr; text-align: center; }
  .reviewer-img { margin: 0 auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .mobile-cta { display: block; }
  body { padding-bottom: 76px; }
  .social-popup { display: none !important; } /* hide on mobile to not block mobile CTA */
}

/* ============ RESPONSIVE — 560px ============ */
@media (max-width: 560px) {
  .container { padding: 0 16px; }
  section { padding: 50px 0; }
  .announcement { font-size: 0.82rem; padding: 8px 14px; }
  .hero { padding: 30px 0 40px; }
  .hero h1 { font-size: 1.7rem; }
  .hero-sub { font-size: 1rem; }
  .hero-img-wrap img { max-width: 320px; }
  .section-intro { font-size: 1rem; margin-bottom: 36px; }
  .ai-answer { padding: 18px 20px; }
  .pain-grid { grid-template-columns: 1fr; }
  .mechanism-grid { grid-template-columns: 1fr; }
  .ingredients-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .benefit-card { padding: 20px 14px; }
  .bonus-row { grid-template-columns: 1fr 1fr; gap: 14px; }
  .bonus-card img { width: 110px; height: 150px; }
  .price-card { padding: 26px 20px; }
  .price-img { width: 200px; height: 200px; }
  .price-card.featured .price-img { width: 220px; height: 220px; }
  .price-amount { font-size: 2.2rem; }
  .reviewer-card { padding: 26px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .trust-row { gap: 16px; }
  .trust-item { font-size: 0.84rem; }
  .comp-table { font-size: 0.86rem; }
  .comp-table th, .comp-table td { padding: 12px 10px; }
}