/* Authority Medical Editorial & Clinical Review Theme (v3) */
:root {
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;
  
  --color-primary: #0b4f35;
  --color-primary-light: #166d48;
  --color-primary-dark: #062b1d;
  --color-accent: #c98b2c;
  --color-accent-soft: #fcf6ec;
  --color-bg: #f8faf9;
  --color-surface: #ffffff;
  --color-surface-soft: #f1f5f3;
  --color-text: #1a2421;
  --color-text-muted: #52635c;
  --color-border: #dde5e1;
  --color-border-subtle: #eef2f0;
  --color-danger: #c53030;
  --color-success: #1a7f37;
  
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 12px rgba(11,79,53,0.08), 0 2px 4px rgba(0,0,0,0.02);
  --shadow-lg: 0 12px 32px rgba(11,79,53,0.12), 0 4px 8px rgba(0,0,0,0.04);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 820px; margin: 0 auto; }

/* Top notification banner */
.top-notice {
  background: var(--color-primary-dark);
  color: #c9ebd8;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  padding: 8px 16px;
  text-align: center;
}
.top-notice strong { color: #fff; font-weight: 700; }

/* Publication header */
.pub-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}
.pub-header .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
}
.pub-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}
.pub-emblem {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
}
.pub-titles {
  display: flex;
  flex-direction: column;
}
.pub-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
}
.pub-sub {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.nav-langs {
  display: flex;
  gap: 6px;
}
.nav-langs a {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 4px;
  color: var(--color-text-muted);
  border: 1px solid transparent;
  transition: all 0.15s;
}
.nav-langs a:hover { border-color: var(--color-border); color: var(--color-primary); }
.nav-langs a.on {
  background: var(--color-surface-soft);
  border-color: var(--color-border);
  color: var(--color-primary);
  font-weight: 700;
}

/* Editorial Metadata Bar */
.article-meta {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  margin-bottom: 2rem;
}
.meta-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}
.meta-tag {
  background: #eef5f1;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 20px;
}
.meta-item { display: flex; align-items: center; gap: 6px; }
.meta-item b { color: var(--color-text); }
.badge-peer {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--color-primary);
  font-weight: 600;
}
.badge-peer::before {
  content: "✓";
  display: inline-block;
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  text-align: center;
  line-height: 16px;
  font-size: 10px;
  font-weight: bold;
}

/* Main Typography */
h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.85rem, 3.8vw, 2.65rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-primary-dark);
  margin-bottom: 1.2rem;
}
h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-primary-dark);
  margin: 2.4rem 0 1rem;
  padding-bottom: 8px;
  border-bottom: 2px solid #eef3f1;
}
h3 {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 1.4rem 0 0.5rem;
}
p { margin-bottom: 1.15rem; font-size: 1.02rem; }
p.lead {
  font-size: 1.18rem;
  line-height: 1.6;
  color: #2c3e35;
  font-weight: 400;
  border-left: 4px solid var(--color-primary);
  padding-left: 18px;
  margin-bottom: 1.8rem;
  background: #f7faf8;
  padding-top: 10px;
  padding-bottom: 10px;
  border-radius: 0 8px 8px 0;
}

/* Clinical callout box */
.clinical-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 8px;
  padding: 20px 24px;
  margin: 1.8rem 0;
  box-shadow: var(--shadow-sm);
}
.clinical-box-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: #7d5212;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.clinical-box p:last-child { margin-bottom: 0; }

/* Stats ribbon */
.stats-ribbon {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  margin: 2rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  box-shadow: var(--shadow-sm);
}
.stat-cell {
  text-align: center;
  padding: 8px;
}
.stat-num {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-lbl {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.35;
}

/* Degradation Stages Grid */
.stages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin: 1.8rem 0;
}
.stage-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 18px;
  box-shadow: var(--shadow-sm);
  position: relative;
}
.stage-card.danger { border-top: 3px solid var(--color-danger); }
.stage-card.warning { border-top: 3px solid var(--color-accent); }
.stage-card.info { border-top: 3px solid var(--color-primary); }
.stage-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.stage-card h4 {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  margin-bottom: 8px;
  color: var(--color-text);
}
.stage-card p {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 0;
}

/* Comparative Matrix Table */
.matrix-wrap {
  overflow-x: auto;
  margin: 2rem 0;
  background: var(--color-surface);
  border-radius: 12px;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}
.matrix-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}
.matrix-table th, .matrix-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-border-subtle);
}
.matrix-table th {
  background: #f7faf8;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.matrix-table tr:last-child td { border-bottom: none; }
.matrix-table tr.highlight {
  background: #f2faf5;
  font-weight: 600;
}
.matrix-table tr.highlight td:first-child {
  color: var(--color-primary);
  font-weight: 700;
}
.pill-good { background: #d4edda; color: #155724; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 700; }
.pill-warn { background: #fff3cd; color: #856404; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 700; }
.pill-bad  { background: #f8d7da; color: #721c24; padding: 2px 8px; border-radius: 4px; font-size: 0.78rem; font-weight: 700; }

/* Interactive Self-Assessment Widget */
.quiz-card {
  background: linear-gradient(135deg, #f4faf6, #ffffff);
  border: 2px solid #c2ded0;
  border-radius: 14px;
  padding: 24px;
  margin: 2.2rem 0;
  box-shadow: var(--shadow-md);
}
.quiz-card h3 {
  color: var(--color-primary-dark);
  font-size: 1.2rem;
  margin-top: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.quiz-q { margin: 14px 0 8px; font-weight: 600; font-size: 0.95rem; }
.quiz-opt {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
  font-size: 0.92rem;
  color: var(--color-text);
  cursor: pointer;
}
.quiz-btn {
  margin-top: 14px;
  background: var(--color-primary);
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}
.quiz-res {
  margin-top: 14px;
  padding: 14px;
  background: #eef7f1;
  border-radius: 8px;
  font-size: 0.92rem;
  color: #12402b;
  display: none;
}

/* Mechanism Breakdown Cards */
.mech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
  margin: 1.8rem 0;
}
.mech-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.mech-num {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.mech-card h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.08rem;
  color: var(--color-primary-dark);
}
.mech-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin-bottom: 0;
}

/* Ingredients list with scientific details */
.ingr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin: 1.8rem 0;
}
.ingr-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 16px 18px;
}
.ingr-card b {
  display: block;
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 0.98rem;
  margin-bottom: 4px;
}
.ingr-card span {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* Clinical Protocol Timeline */
.timeline {
  margin: 2rem 0;
  border-left: 3px solid var(--color-primary);
  padding-left: 22px;
}
.timeline-item {
  position: relative;
  margin-bottom: 24px;
}
.timeline-item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 4px;
  width: 12px;
  height: 12px;
  background: #fff;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
}
.timeline-item h4 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  margin-bottom: 6px;
}
.timeline-item p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Certified Product Distribution Card (Conversion Block) */
.product-card {
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: 16px;
  padding: 32px 28px;
  margin: 3rem 0;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.card-badge-top {
  position: absolute;
  top: -14px;
  left: 28px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 4px 12px;
  border-radius: 12px;
  text-transform: uppercase;
}
.product-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--color-border-subtle);
  padding-bottom: 16px;
}
.product-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}
.product-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--color-success);
  font-weight: 600;
}
.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--color-success);
  border-radius: 50%;
  animation: pulse-ring 1.8s infinite;
}
@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(26,127,55,0.4); }
  70% { box-shadow: 0 0 0 8px rgba(26,127,55,0); }
  100% { box-shadow: 0 0 0 0 rgba(26,127,55,0); }
}

.product-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 1.6rem;
  background: var(--color-surface-soft);
  padding: 14px;
  border-radius: 10px;
}
.spec-item { font-size: 0.85rem; }
.spec-item b { display: block; color: var(--color-text); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; }

/* The COD Order Form inside product card */
.order-box {
  background: #fbfdfc;
  border: 1px solid #d4e5dc;
  border-radius: 12px;
  padding: 22px;
  margin-top: 1.5rem;
}
.order-box-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  margin-bottom: 4px;
}
.order-box-sub {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }
.form-field { display: flex; flex-direction: column; gap: 4px; }
.form-field label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.form-field input {
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.98rem;
  font-family: inherit;
  transition: border-color 0.15s;
}
.form-field input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11,79,53,0.1);
}
.form-submit-wrap {
  margin-top: 14px;
}
.btn-submit {
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 15px 24px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(11,79,53,0.25);
  transition: all 0.15s;
}
.btn-submit:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(11,79,53,0.32);
}
.trust-badges {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-text-muted);
}
.trust-badges span { display: inline-flex; align-items: center; gap: 4px; }

/* Real Clinical Case Studies / Testimonials */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin: 2rem 0;
}
.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.case-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border-subtle);
}
.case-name { font-weight: 700; font-size: 0.95rem; color: var(--color-text); }
.case-tag {
  background: #eef5f1;
  color: var(--color-primary);
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 4px;
  font-weight: 600;
}
.case-quote {
  font-style: italic;
  color: #384841;
  font-size: 0.92rem;
  line-height: 1.55;
  margin-bottom: 12px;
}
.case-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  border-top: 1px dashed var(--color-border);
  padding-top: 8px;
}

/* FAQ Details */
details {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin-bottom: 10px;
  padding: 14px 18px;
  box-shadow: var(--shadow-sm);
}
summary {
  font-weight: 700;
  font-family: var(--font-heading);
  cursor: pointer;
  color: var(--color-primary-dark);
  font-size: 0.98rem;
}
details[open] summary { margin-bottom: 10px; color: var(--color-primary); }
details p { font-size: 0.92rem; color: var(--color-text-muted); margin-bottom: 0; }

/* Sticky bottom order trigger on mobile */
.mobile-sticky-bar {
  display: none;
}
@media (max-width: 768px) {
  .mobile-sticky-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 2px solid var(--color-primary);
    padding: 10px 16px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.08);
    z-index: 99;
  }
  .mobile-sticky-info { display: flex; flex-direction: column; font-size: 0.78rem; }
  .mobile-sticky-info b { color: var(--color-primary-dark); font-size: 0.95rem; }
  .mobile-sticky-btn {
    background: var(--color-primary);
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.85rem;
    text-decoration: none;
  }
}

/* Legal Footer */
.pub-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2.4rem 0 1.8rem;
  margin-top: 3.5rem;
  color: var(--color-text-muted);
  font-size: 0.82rem;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 18px;
  margin-bottom: 1rem;
}
.footer-links a { color: var(--color-text); text-decoration: none; font-weight: 600; }
.footer-links a:hover { color: var(--color-primary); }
.disclaimer-text {
  text-align: center;
  line-height: 1.5;
  font-size: 0.75rem;
  max-width: 820px;
  margin: 0 auto;
  color: #72827a;
}