/* ==========================================================================
   ZEN WELLNESS — Design System
   Colors, type and layout tokens for the sales + thank-you pages.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Brand palette */
  --forest: #174A35;
  --forest-dark: #103826;
  --navy: #18345F;
  --gold: #C9A227;
  --off-white: #FAF9F4;
  --sage: #EEF4EC;
  --charcoal: #252525;
  --white: #FFFFFF;

  /* Semantic roles */
  --bg: var(--off-white);
  --bg-alt: var(--sage);
  --text: var(--charcoal);
  --text-muted: #5A5D57;
  --accent: var(--gold);
  --cta-bg: var(--forest);
  --cta-bg-hover: var(--forest-dark);
  --border-soft: rgba(37, 37, 37, 0.10);

  /* Type */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Layout */
  --max-width: 1160px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; line-height: 1.18; margin: 0; color: var(--forest); }
p { margin: 0; }

:focus-visible {
  outline: 2px solid var(--navy);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: 16px 30px;
  border-radius: 999px;
  border: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(180deg, #1E5A41, var(--forest) 60%);
  color: var(--white);
  box-shadow: 0 10px 24px -8px rgba(23, 74, 53, 0.55);
}
.btn-primary:hover { background: var(--cta-bg-hover); box-shadow: 0 12px 28px -6px rgba(23, 74, 53, 0.6); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: var(--forest);
  border: 1.5px solid var(--forest);
  padding: 14px 28px;
}
.btn-ghost:hover { background: var(--sage); }
.btn-arrow { font-size: 1.1em; line-height: 1; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 249, 244, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--border-soft);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--forest);
  letter-spacing: 0.01em;
}
.brand span { color: var(--navy); }

.main-nav { display: flex; align-items: center; gap: var(--space-4); }
.nav-links { display: flex; gap: var(--space-3); }
.nav-links a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.nav-links a:hover { color: var(--forest); border-color: var(--gold); }

.nav-cta { display: inline-flex; }
.nav-cta .btn { padding: 11px 22px; font-size: 0.92rem; }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px; height: 40px;
  position: relative;
}
.menu-toggle span,
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 8px; right: 8px;
  height: 2px;
  background: var(--forest);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.menu-toggle span { top: 19px; }
.menu-toggle span::before { top: -7px; }
.menu-toggle span::after { top: 7px; }
.menu-toggle[aria-expanded="true"] span { background: transparent; }
.menu-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: var(--space-6) 0 var(--space-5);
}
.hero .container {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: var(--space-5);
  align-items: center;
}
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--navy);
  margin-bottom: var(--space-2);
}
.hero h1 {
  font-size: clamp(2.1rem, 3.6vw, 3.1rem);
  color: var(--forest);
}
.hero h1 em {
  font-style: normal;
  color: var(--navy);
}
.hero-sub {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--navy);
  margin-top: var(--space-2);
  font-weight: 500;
}
.hero-copy {
  margin-top: var(--space-3);
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 46ch;
}
.hero-copy p + p { margin-top: var(--space-2); }
.hero-actions { margin-top: var(--space-4); }
.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-2);
  font-size: 0.92rem;
  color: var(--text-muted);
}
.trust-row li { display: flex; align-items: center; gap: 8px; }
.trust-row .tick { color: var(--forest); font-weight: 700; }

.hero-visual {
  display: flex;
  justify-content: center;
}
.hero-visual img {
  width: min(320px, 62%);
  filter: drop-shadow(0 30px 40px rgba(24, 52, 95, 0.22));
}

/* ---------- Section rhythm ---------- */
.section { padding: var(--space-6) 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  max-width: 640px;
  margin: 0 auto var(--space-4);
  text-align: center;
}
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 { font-size: clamp(1.7rem, 2.6vw, 2.3rem); }
.section-head p { color: var(--text-muted); margin-top: var(--space-2); font-size: 1.05rem; }
.divider {
  width: 64px;
  height: 2px;
  background: var(--gold);
  margin: var(--space-2) auto 0;
  border: none;
}
.section-head.left .divider { margin-left: 0; }

/* ---------- Problem / awareness ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.problem-list { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2) var(--space-3); }
.problem-list li {
  font-size: 0.98rem;
  color: var(--text-muted);
  padding-left: 18px;
  position: relative;
}
.problem-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.6em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
}
.problem-copy p { color: var(--text-muted); font-size: 1.05rem; }
.problem-copy p + p { margin-top: var(--space-2); }

/* ---------- Advantage cards ---------- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-3);
}
.advantage-card {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-2);
  text-align: left;
}
.advantage-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-2);
  color: var(--white);
}
.advantage-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.advantage-card p { font-size: 0.92rem; color: var(--text-muted); }

/* ---------- Discover list ---------- */
.discover-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-5);
}
.discover-grid li {
  display: flex;
  gap: 14px;
  font-size: 1.02rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--border-soft);
}
.discover-grid li .mark {
  color: var(--gold);
  font-family: var(--font-display);
  font-weight: 600;
}

/* ---------- Accordion (contents + FAQ) ---------- */
.accordion { border-top: 1px solid var(--border-soft); }
.accordion-item { border-bottom: 1px solid var(--border-soft); }
.accordion-trigger {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3) 4px;
  text-align: left;
  font-family: var(--font-display);
  font-size: 1.08rem;
  color: var(--forest);
}
.accordion-trigger .plus {
  flex-shrink: 0;
  width: 24px; height: 24px;
  position: relative;
}
.accordion-trigger .plus::before,
.accordion-trigger .plus::after {
  content: '';
  position: absolute;
  background: var(--navy);
  border-radius: 2px;
}
.accordion-trigger .plus::before { left: 3px; right: 3px; top: 11px; height: 2px; }
.accordion-trigger .plus::after { top: 3px; bottom: 3px; left: 11px; width: 2px; transition: transform 0.2s ease; }
.accordion-trigger[aria-expanded="true"] .plus::after { transform: scaleY(0); }

.accordion-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.25s ease;
}
.accordion-panel-inner { padding: 0 4px var(--space-3); color: var(--text-muted); }
.accordion-panel-inner ul { margin-top: var(--space-1); }
.accordion-panel-inner li { padding: 4px 0 4px 16px; position: relative; font-size: 0.97rem; }
.accordion-panel-inner li::before { content: '—'; position: absolute; left: 0; color: var(--gold); }

/* ---------- Preview ---------- */
.preview-frame {
  display: flex;
  justify-content: center;
}
.preview-frame img {
  width: min(300px, 60%);
  filter: drop-shadow(0 24px 34px rgba(24, 52, 95, 0.2));
}

/* ---------- Audience list ---------- */
.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-2) var(--space-3);
}
.audience-grid li {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-2);
  font-size: 0.96rem;
  color: var(--text);
}

/* ---------- Authors ---------- */
.authors-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.author-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border-top: 3px solid var(--gold);
}
.author-card h3 { font-size: 1.2rem; margin-bottom: 4px; }
.author-card .role { color: var(--navy); font-size: 0.88rem; font-weight: 600; margin-bottom: var(--space-2); }
.author-card p.bio { color: var(--text-muted); font-size: 0.97rem; }

/* ---------- Value chips ---------- */
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.chip {
  background: var(--white);
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  padding: 9px 18px;
  font-size: 0.9rem;
  color: var(--text);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.chip .tick { color: var(--forest); font-weight: 700; }

/* ---------- Purchase card ---------- */
.purchase-card {
  max-width: 460px;
  margin: 0 auto;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
  box-shadow: 0 30px 60px -30px rgba(24, 52, 95, 0.3);
  border: 1px solid var(--border-soft);
}
.purchase-card .title { font-size: 1.35rem; margin-bottom: var(--space-1); }
.purchase-card .by { color: var(--text-muted); font-size: 0.92rem; margin-bottom: var(--space-3); }
.purchase-card .price {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--forest);
  margin: var(--space-2) 0;
}
.purchase-card .meta-row {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}
.purchase-card .secure-note { margin-top: var(--space-2); font-size: 0.85rem; color: var(--text-muted); }

/* ---------- Testimonials placeholder ---------- */
.testimonial-placeholder {
  border: 1px dashed var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
  color: var(--text-muted);
  font-size: 0.92rem;
}

/* ---------- Disclaimer ---------- */
.disclaimer {
  background: var(--bg-alt);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  font-size: 0.86rem;
  color: var(--text-muted);
}
.disclaimer strong { color: var(--text); }

/* ---------- Final CTA band ---------- */
.final-cta {
  background: var(--forest);
  color: var(--white);
  text-align: center;
  padding: var(--space-6) 0;
}
.final-cta h2 { color: var(--white); }
.final-cta p { color: rgba(255,255,255,0.82); margin-top: var(--space-2); font-size: 1.05rem; }
.final-cta .btn-primary {
  margin-top: var(--space-4);
  background: var(--gold);
  color: var(--forest-dark);
  box-shadow: none;
}
.final-cta .btn-primary:hover { background: #DDB640; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.72);
  padding: var(--space-5) 0 var(--space-3);
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-brand { font-family: var(--font-display); font-size: 1.2rem; color: var(--white); margin-bottom: 6px; }
.footer-tagline { color: rgba(255,255,255,0.55); }
.footer-col h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.04em; margin-bottom: var(--space-2); font-family: var(--font-body); }
.footer-col li { padding: 5px 0; }
.footer-col a:hover { color: var(--white); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-top: var(--space-3);
  color: rgba(255,255,255,0.45);
  font-size: 0.82rem;
}

/* ---------- Thank-you page ---------- */
.ty-main { padding: var(--space-6) 0; }
.ty-card {
  max-width: 560px;
  margin: 0 auto;
  text-align: center;
}
.ty-check {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--sage);
  color: var(--forest);
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto var(--space-3);
  font-size: 1.8rem;
}
.ty-card h1 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.ty-card .sub { color: var(--text-muted); margin-top: var(--space-2); font-size: 1.05rem; }
.ty-book { margin: var(--space-4) 0; }
.ty-book img { width: 150px; margin: 0 auto; filter: drop-shadow(0 18px 26px rgba(24, 52, 95, 0.22)); }
.ty-title { font-size: 1.15rem; color: var(--forest); margin-top: var(--space-2); }
.ty-by { color: var(--text-muted); font-size: 0.92rem; margin-top: 4px; }
.ty-download { margin-top: var(--space-4); }
.ty-download .btn { font-size: 1.05rem; padding: 18px 36px; }
.ty-support {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-soft);
}
.ty-support h3 { font-size: 1.05rem; }
.ty-support-links { display: flex; justify-content: center; gap: var(--space-3); margin-top: var(--space-2); flex-wrap: wrap; }
.ty-support-links a { color: var(--navy); font-weight: 500; font-size: 0.95rem; }
.ty-back { margin-top: var(--space-4); }

/* ---------- Mobile nav overlay ---------- */
.mobile-nav {
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--off-white);
  z-index: 40;
  padding: var(--space-4) var(--space-3);
  display: none;
}
.mobile-nav.open { display: block; }
.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-1); }
.mobile-nav a {
  display: block;
  padding: 14px 4px;
  font-size: 1.1rem;
  border-bottom: 1px solid var(--border-soft);
  color: var(--forest);
}
.mobile-nav .btn { margin-top: var(--space-3); }
.mobile-nav a.btn-primary { color: var(--white); }
.mobile-nav a.btn-ghost { color: var(--forest); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .authors-grid { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav-links, .nav-cta { display: none; }
  .menu-toggle { display: block; }

  .hero .container { grid-template-columns: 1fr; }
  .hero { padding: var(--space-5) 0 var(--space-4); text-align: left; }
  .hero-visual { order: -1; margin-bottom: var(--space-2); }
  .hero-visual img { width: min(280px, 78%); }

  .problem-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .problem-list { grid-template-columns: 1fr; }

  .discover-grid { grid-template-columns: 1fr; gap: 0; }

  .audience-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  :root { --space-6: 56px; --space-5: 40px; }
  .advantages-grid { grid-template-columns: 1fr 1fr; }
  .audience-grid { grid-template-columns: 1fr; }
  .purchase-card { padding: var(--space-4) var(--space-3); }
  .footer-bottom { flex-direction: column; }
}