/* ==========================================================================
   THE CORTISOL PARADOX — HIGH-CONVERTING DIRECT-RESPONSE SALES FUNNEL
   Published by Metabolic Science Press
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@600;700;800;900&family=JetBrains+Mono:wght@500;700&display=swap');

:root {
  --navy-deep: #0A192F;
  --navy-slate: #0F172A;
  --teal-bio: #0D9488;
  --teal-light: #F0FDFA;
  --cyan-glow: #0284C7;
  --amber-gold: #D97706;
  --amber-light: #FEF3C7;
  --charcoal: #1E293B;
  --muted: #64748B;
  --border: #E2E8F0;
  --bg-light: #F8FAFC;
  --white: #FFFFFF;
  --danger-red: #DC2626;
  --shadow-sm: 0 2px 8px rgba(10, 25, 47, 0.06);
  --shadow-md: 0 10px 30px rgba(10, 25, 47, 0.1);
  --shadow-lg: 0 20px 50px rgba(10, 25, 47, 0.16);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

/* Reset & Base Typography */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: -0.01em;
  color: var(--charcoal);
  background-color: var(--bg-light);
  -webkit-font-smoothing: antialiased;
}

p {
  margin-bottom: 1.4rem;
  line-height: 1.75;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Top Urgency Header */
.top-banner {
  background: linear-gradient(90deg, #0A192F 0%, #0F172A 100%);
  color: #FFFFFF;
  padding: 11px 16px;
  text-align: center;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  border-bottom: 2px solid var(--teal-bio);
}

.top-banner span.highlight {
  color: #38BDF8;
  text-transform: uppercase;
}

/* Header & Brand Nav */
header.site-nav {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 10px rgba(10, 25, 47, 0.04);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-logo-link {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.nav-cta-btn {
  background-color: var(--teal-bio);
  color: #FFFFFF;
  font-size: 0.88rem;
  font-weight: 700;
  padding: 9px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px rgba(13, 148, 136, 0.25);
}

.nav-cta-btn:hover {
  background-color: #0F766E;
  transform: translateY(-1px);
}

/* Hero Section */
section.hero-section {
  padding: 55px 0 65px;
  background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.07) 0%, rgba(248, 250, 252, 1) 70%);
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--teal-light);
  border: 1px solid rgba(13, 148, 136, 0.3);
  color: var(--teal-bio);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 22px;
}

h1.hero-title {
  font-family: var(--font-heading);
  font-size: 2.85rem;
  font-weight: 900;
  color: var(--navy-deep);
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

h1.hero-title span.underline-effect {
  color: var(--cyan-glow);
  position: relative;
}

p.hero-subhead {
  font-size: 1.2rem;
  color: var(--muted);
  line-height: 1.7;
  max-width: 820px;
  margin: 0 auto 35px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 50px;
  align-items: center;
}

.hero-visual {
  text-align: center;
  position: relative;
}

.hero-visual img.cover-mockup {
  width: 100%;
  max-width: 420px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(10, 25, 47, 0.1);
}

.bundle-badge {
  position: absolute;
  bottom: 20px;
  right: 15px;
  background: var(--navy-deep);
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  border: 2px solid var(--amber-gold);
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: var(--shadow-md);
  letter-spacing: 0.04em;
}

.hero-bullets {
  list-style: none;
  margin-bottom: 28px;
}

.hero-bullets li {
  position: relative;
  padding-left: 36px;
  margin-bottom: 16px;
  font-size: 1.05rem;
  color: var(--charcoal);
  line-height: 1.6;
}

.hero-bullets li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 3px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--teal-light);
  color: var(--teal-bio);
  border: 1px solid var(--teal-bio);
  font-size: 0.82rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Call To Action Buttons */
.cta-box {
  background: #FFFFFF;
  border: 2px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  margin-top: 20px;
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.strike-price {
  font-size: 1.25rem;
  color: var(--muted);
  text-decoration: line-through;
  font-weight: 500;
}

.live-price {
  font-family: var(--font-heading);
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--navy-deep);
}

.discount-pill {
  background: var(--amber-light);
  color: var(--amber-gold);
  font-size: 0.85rem;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 4px;
  text-transform: uppercase;
}

.btn-primary {
  display: block;
  width: 100%;
  text-align: center;
  background: linear-gradient(180deg, #0D9488 0%, #0F766E 100%);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1.22rem;
  font-weight: 800;
  padding: 18px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(13, 148, 136, 0.35);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(13, 148, 136, 0.45);
}

.guarantee-micro {
  text-align: center;
  font-size: 0.84rem;
  color: var(--muted);
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

/* Institutional Trust Bar */
section.trust-bar {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
  text-align: center;
}

.trust-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 14px;
}

.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px 32px;
  color: var(--navy-slate);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
}

.trust-badge-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0.9;
}

/* Core Science Section */
section.science-breakdown {
  padding: 75px 0;
}

.section-intro {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 50px;
}

.section-intro h2 {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  color: var(--navy-deep);
  font-weight: 800;
  margin-bottom: 14px;
}

.section-intro p {
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 50px;
}

.comp-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 34px;
  border: 1px solid var(--border);
}

.comp-card.failing {
  border-top: 5px solid var(--danger-red);
}

.comp-card.protocol {
  border-top: 5px solid var(--teal-bio);
  background: linear-gradient(180deg, #FFFFFF 0%, #F0FDFA 100%);
}

.comp-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 16px;
  color: var(--navy-deep);
}

.comp-card ul {
  list-style: none;
}

.comp-card ul li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.96rem;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

/* Diagram Showcases */
.diagram-showcase {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 38px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
}

.diagram-showcase h3 {
  font-family: var(--font-heading);
  font-size: 1.55rem;
  color: var(--navy-deep);
  margin-bottom: 8px;
}

.diagram-showcase p.lead-cite {
  color: var(--cyan-glow);
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 22px;
}

.diagram-showcase img {
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 20px;
}

.diagram-notes {
  background: var(--bg-light);
  padding: 18px 22px;
  border-left: 4px solid var(--teal-bio);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.94rem;
  line-height: 1.65;
  color: var(--charcoal);
}

/* THE VALUE STACK & FREEBIE BUNDLE */
section.offer-stack-section {
  padding: 85px 0;
  background: linear-gradient(180deg, var(--bg-light) 0%, #FFFFFF 100%);
}

.stack-card {
  background: #FFFFFF;
  border: 2px solid var(--teal-bio);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-lg);
  position: relative;
}

.stack-header-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--amber-gold);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 800;
  padding: 7px 26px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.stack-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-bottom: 1px dashed var(--border);
}

.stack-item-info {
  display: flex;
  align-items: center;
  gap: 18px;
}

.stack-item-badge {
  background: var(--teal-light);
  color: var(--teal-bio);
  font-weight: 800;
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: 4px;
  text-transform: uppercase;
  min-width: 90px;
  text-align: center;
}

.stack-item-badge.bonus {
  background: var(--amber-light);
  color: var(--amber-gold);
}

.stack-item-text h4 {
  font-family: var(--font-heading);
  font-size: 1.18rem;
  color: var(--navy-deep);
  margin-bottom: 4px;
}

.stack-item-text p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0;
  line-height: 1.5;
}

.stack-item-value {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--charcoal);
}

.stack-item-value span.free-label {
  color: var(--teal-bio);
  font-weight: 800;
  text-transform: uppercase;
  margin-left: 8px;
}

.stack-total-summary {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: 34px;
  margin-top: 38px;
  text-align: center;
}

.stack-total-summary .total-value-line {
  font-size: 1.28rem;
  color: var(--muted);
  margin-bottom: 8px;
}

.stack-total-summary .today-price-big {
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 900;
  color: var(--navy-deep);
  line-height: 1;
  margin-bottom: 12px;
}

.stack-total-summary .savings-tag {
  display: inline-block;
  background: var(--amber-gold);
  color: #FFFFFF;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 0.92rem;
  text-transform: uppercase;
  margin-bottom: 24px;
  letter-spacing: 0.03em;
}

/* Guarantee Section (14-Day Safe Guarantee) */
section.guarantee-box {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 38px;
  margin: 50px 0;
  display: flex;
  gap: 30px;
  align-items: center;
}

.guarantee-badge-icon {
  width: 85px;
  height: 85px;
  border-radius: 50%;
  background: var(--amber-light);
  border: 3px solid var(--amber-gold);
  color: var(--amber-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  flex-shrink: 0;
}

/* FAQ Accordion */
section.faq-section {
  padding: 65px 0;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 20px 24px;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy-deep);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  padding: 0 24px 22px;
  color: var(--charcoal);
  font-size: 0.98rem;
  line-height: 1.65;
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

.faq-toggle {
  transition: transform 0.2s ease;
  font-size: 1.2rem;
  color: var(--teal-bio);
}

/* Footer & Refined Disclaimer */
footer.site-footer {
  background-color: var(--navy-deep);
  color: #94A3B8;
  padding: 50px 0 65px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-inner {
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
}

.footer-logo {
  margin-bottom: 20px;
}

.footer-disclaimer-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 16px 22px;
  margin-bottom: 20px;
}

.footer-disclaimer-text {
  font-size: 0.78rem;
  font-style: italic;
  color: #94A3B8;
  line-height: 1.6;
  margin-bottom: 0;
}

.footer-copyright {
  font-size: 0.82rem;
  color: #64748B;
  margin-bottom: 0;
}

/* Sticky Bottom Bar */
.sticky-checkout-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(10, 25, 47, 0.96);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 12px 24px;
  z-index: 100;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.sticky-checkout-bar.visible {
  transform: translateY(0);
}

.sticky-inner {
  max-width: 1080px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sticky-text {
  color: #FFFFFF;
}

.sticky-text strong {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  display: block;
}

.sticky-text span {
  font-size: 0.85rem;
  color: #38BDF8;
}

.sticky-btn {
  background: var(--teal-bio);
  color: #FFFFFF;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 800;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: background 0.2s ease;
}

.sticky-btn:hover {
  background-color: #0F766E;
}

/* ==========================================================================
   MODERN NATIVE <dialog> EXIT INTENT DOWNSELL MODAL
   ========================================================================== */

dialog#exitModal {
  max-width: 580px;
  width: 90%;
  margin: auto;
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 3px solid var(--amber-gold);
  background-color: #FFFFFF;
  box-shadow: 0 25px 60px rgba(10, 25, 47, 0.35);
  color: var(--charcoal);
  text-align: center;
  position: fixed;
  inset: 0;

  /* Top-layer transitions per modern web guidance */
  opacity: 0;
  transform: scale(0.92);
  transition-property: opacity, transform, display, overlay;
  transition-duration: 0.25s;
  transition-timing-function: ease-out;
  transition-behavior: allow-discrete;
}

dialog#exitModal[open] {
  opacity: 1;
  transform: scale(1);

  @starting-style {
    opacity: 0;
    transform: scale(0.92);
  }
}

dialog#exitModal::backdrop {
  background-color: rgba(10, 25, 47, 0);
  backdrop-filter: blur(0px);
  transition: display 0.25s allow-discrete, overlay 0.25s allow-discrete, background-color 0.25s ease-out;
}

dialog#exitModal[open]::backdrop {
  background-color: rgba(10, 25, 47, 0.72);
  backdrop-filter: blur(4px);

  @starting-style {
    background-color: rgba(10, 25, 47, 0);
  }
}

.modal-urgency-badge {
  display: inline-block;
  background: var(--amber-light);
  color: var(--amber-gold);
  border: 1px solid var(--amber-gold);
  font-weight: 800;
  font-size: 0.8rem;
  padding: 4px 14px;
  border-radius: 999px;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.modal-title {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  font-weight: 900;
  color: var(--navy-deep);
  margin-bottom: 10px;
  line-height: 1.2;
}

.timer-box {
  background: var(--navy-deep);
  color: #FFFFFF;
  padding: 14px 20px;
  border-radius: var(--radius-sm);
  margin: 20px 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
}

.timer-clock {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 700;
  color: #F59E0B;
  letter-spacing: 0.05em;
}

.flash-price-row {
  margin: 18px 0;
}

.flash-price-row .regular-strike {
  text-decoration: line-through;
  color: var(--muted);
  font-size: 1.2rem;
}

.flash-price-row .downsell-price {
  font-family: var(--font-heading);
  font-size: 3rem;
  font-weight: 900;
  color: var(--teal-bio);
  margin-left: 10px;
}

.modal-close-btn {
  position: absolute;
  top: 16px;
  right: 18px;
  background: none;
  border: none;
  font-size: 1.6rem;
  color: var(--muted);
  cursor: pointer;
  padding: 4px;
}

.modal-close-btn:hover {
  color: var(--navy-deep);
}

.modal-decline-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: underline;
  background: none;
  border: none;
  cursor: pointer;
}

/* Responsive */
@media (max-width: 860px) {
  h1.hero-title { font-size: 2.15rem; }
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .comparison-grid { grid-template-columns: 1fr; }
  .stack-item { flex-direction: column; align-items: flex-start; gap: 10px; }
  .stack-item-value { align-self: flex-end; }
  .guarantee-box { flex-direction: column; text-align: center; }
  .sticky-inner { flex-direction: column; gap: 10px; text-align: center; }
}