/* ============================================================
   DUBAI UNVEILED — site-wide stylesheet
   Brand tokens · typography · buttons · header · footer ·
   paper grain · reveal · responsive utilities
   ============================================================ */

:root {
  --zh-dug-brown:        #422B17;
  --zh-dug-brown-deep:   #2D1D0F;
  --zh-dug-gold:         #BA9A70;
  --zh-dug-gold-soft:    #D4B98E;
  --zh-dug-cream:        #F2EBE0;
  --zh-dug-cream-deep:   #E8DDC9;
  --zh-dug-ivory:        #FAF6EE;
  --zh-dug-olive:        #6D7A5C;
  --zh-dug-ink:          #2A1F12;
  --zh-dug-ink-soft:     #5A4A38;
  --zh-dug-ink-mute:     #8B7A66;
  --zh-dug-line:         #D8CBB4;
  --zh-dug-on-dark:      #EDE4D3;
  --zh-dug-on-dark-soft: rgba(237, 228, 211, 0.72);
  --zh-dug-font-display: 'Cinzel', 'Times New Roman', Georgia, serif;
  --zh-dug-font-sans:    'Montserrat', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
  --zh-dug-shadow:       0 1px 2px rgba(42, 31, 18, 0.04), 0 20px 56px rgba(42, 31, 18, 0.10);
  --zh-dug-grain:        url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='320' height='320'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.26 0 0 0 0 0.17 0 0 0 0 0.09 0 0 0 0.55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.18'/%3E%3C/svg%3E");
  --zh-dug-header-h:     74px;
}

/* ============================================================
   RESET + BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--zh-dug-font-sans);
  color: var(--zh-dug-ink);
  background: var(--zh-dug-ivory);
  line-height: 1.65;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4 {
  font-family: var(--zh-dug-font-display);
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--zh-dug-brown);
  margin: 0;
}
:where(p) { margin: 0; }
p { font-weight: 300; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { padding: 0; margin: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

main { display: block; }

/* ============================================================
   EYEBROW UTILITY
   ============================================================ */
.zh-dug-eyebrow {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.36em;
  color: var(--zh-dug-gold);
  display: inline-block;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.zh-dug-btn,
a.zh-dug-btn {
  display: inline-block;
  padding: 18px 44px;
  font-family: var(--zh-dug-font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  border-radius: 0;
  border: 1px solid var(--zh-dug-brown);
  background: var(--zh-dug-brown);
  color: #FFFFFF;
  cursor: pointer;
  transition: background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  text-align: center;
  text-decoration: none;
}
.zh-dug-btn:hover, a.zh-dug-btn:hover {
  background: transparent;
  color: var(--zh-dug-brown);
}
.zh-dug-btn-gold, a.zh-dug-btn-gold {
  background: var(--zh-dug-gold);
  color: var(--zh-dug-brown);
  border-color: var(--zh-dug-gold);
}
.zh-dug-btn-gold:hover, a.zh-dug-btn-gold:hover {
  background: transparent;
  color: var(--zh-dug-brown);
  border-color: var(--zh-dug-brown);
}
.zh-dug-btn-ghost, a.zh-dug-btn-ghost {
  background: transparent;
  color: var(--zh-dug-brown);
  border-color: var(--zh-dug-brown);
}
.zh-dug-btn-ghost:hover, a.zh-dug-btn-ghost:hover {
  background: var(--zh-dug-brown);
  color: #FFFFFF;
}
.zh-dug-btn-on-dark, a.zh-dug-btn-on-dark {
  background: var(--zh-dug-on-dark);
  color: var(--zh-dug-brown);
  border-color: var(--zh-dug-on-dark);
}
.zh-dug-btn-on-dark:hover, a.zh-dug-btn-on-dark:hover {
  background: transparent;
  color: var(--zh-dug-on-dark);
  border-color: var(--zh-dug-on-dark);
}

/* ============================================================
   SECTIONS — paper grain overlay utility
   ============================================================ */
.zh-dug-section {
  position: relative;
  isolation: isolate;
}
.zh-dug-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--zh-dug-grain);
  pointer-events: none;
  z-index: 0;
  mix-blend-mode: multiply;
  opacity: 0.55;
}
.zh-dug-section.is-dark::before {
  mix-blend-mode: overlay;
  opacity: 0.35;
}
.zh-dug-section > * { position: relative; z-index: 1; }

/* ============================================================
   REVEAL ANIMATIONS
   ============================================================ */
.zh-dug-reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.zh-dug-reveal.is-visible {
  opacity: 1;
  transform: none;
}
.zh-dug-reveal-d1 { transition-delay: 0.1s; }
.zh-dug-reveal-d2 { transition-delay: 0.2s; }
.zh-dug-reveal-d3 { transition-delay: 0.3s; }
.zh-dug-reveal-d4 { transition-delay: 0.4s; }

@keyframes zhDugFadeup {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: none; }
}

/* ============================================================
   SITE HEADER — sticky / minimal
   ============================================================ */
.zh-dug-site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 238, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--zh-dug-line);
  height: var(--zh-dug-header-h);
}
.zh-dug-site-header-inner {
  max-width: 1240px;
  margin: 0 auto;
  height: 100%;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 40px;
}
.zh-dug-site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--zh-dug-font-display);
  font-size: 1.05rem;
  color: var(--zh-dug-brown);
  letter-spacing: 0.08em;
  text-decoration: none;
}
.zh-dug-site-logo img { width: 28px; height: auto; }
.zh-dug-site-logo span em {
  font-style: normal;
  color: var(--zh-dug-gold);
}
.zh-dug-site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.zh-dug-site-nav ul {
  display: flex;
  gap: 36px;
}
.zh-dug-site-nav a {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.74rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--zh-dug-ink-soft);
  text-decoration: none;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.zh-dug-site-nav a:hover,
.zh-dug-site-nav a.is-active {
  color: var(--zh-dug-brown);
  border-bottom-color: var(--zh-dug-gold);
}
.zh-dug-site-nav-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.zh-dug-site-nav-link {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--zh-dug-ink-soft);
  text-decoration: none;
}
.zh-dug-site-nav-link:hover { color: var(--zh-dug-brown); }
.zh-dug-site-nav-cta {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  padding: 11px 22px;
  background: var(--zh-dug-brown);
  color: #FFFFFF;
  border: 1px solid var(--zh-dug-brown);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}
.zh-dug-site-nav-cta:hover {
  background: transparent;
  color: var(--zh-dug-brown);
}
.zh-dug-site-nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 36px;
  height: 36px;
  padding: 0;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.zh-dug-site-nav-toggle span {
  width: 22px;
  height: 1px;
  background: var(--zh-dug-brown);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.zh-dug-site-drawer {
  position: fixed;
  top: var(--zh-dug-header-h);
  left: 0;
  right: 0;
  background: var(--zh-dug-cream);
  border-bottom: 1px solid var(--zh-dug-line);
  z-index: 49;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}
.zh-dug-site-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.zh-dug-site-drawer ul {
  padding: 24px 32px 36px;
}
.zh-dug-site-drawer li {
  padding: 14px 0;
  border-bottom: 1px solid rgba(216, 203, 180, 0.6);
}
.zh-dug-site-drawer li.divider { border: none; padding: 8px 0; }
.zh-dug-site-drawer a {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.86rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  color: var(--zh-dug-brown);
  text-decoration: none;
}
.zh-dug-site-drawer a.cta {
  display: inline-block;
  background: var(--zh-dug-brown);
  color: #FFFFFF;
  padding: 12px 24px;
  margin-top: 8px;
}

/* ============================================================
   SITE FOOTER
   ============================================================ */
.zh-dug-site-footer {
  background: var(--zh-dug-brown);
  color: var(--zh-dug-on-dark);
  padding: 100px 32px 32px;
}
.zh-dug-site-footer-inner {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 64px;
  padding-bottom: 64px;
  border-bottom: 1px solid rgba(237, 228, 211, 0.16);
}
.zh-dug-site-footer-brand p {
  color: var(--zh-dug-on-dark-soft);
  font-size: 0.92rem;
  line-height: 1.75;
  margin-top: 18px;
  max-width: 340px;
}
.zh-dug-site-footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--zh-dug-font-display);
  font-size: 1.15rem;
  color: var(--zh-dug-on-dark);
  letter-spacing: 0.08em;
  text-decoration: none;
}
.zh-dug-site-footer-logo img { width: 28px; }
.zh-dug-site-footer-logo span em { font-style: normal; color: var(--zh-dug-gold); }

.zh-dug-site-footer-col h4 {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.66rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.36em;
  color: var(--zh-dug-gold);
  margin-bottom: 22px;
}
.zh-dug-site-footer-col li {
  padding: 8px 0;
  font-family: var(--zh-dug-font-sans);
  font-size: 0.88rem;
  color: var(--zh-dug-on-dark-soft);
}
.zh-dug-site-footer-col a {
  color: var(--zh-dug-on-dark-soft);
  text-decoration: none;
  transition: color 0.2s ease;
}
.zh-dug-site-footer-col a:hover { color: var(--zh-dug-gold); }

.zh-dug-site-footer-bar {
  max-width: 1240px;
  margin: 0 auto;
  padding-top: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}
.zh-dug-site-footer-bar p {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.74rem;
  color: rgba(237, 228, 211, 0.5);
  letter-spacing: 0.04em;
}
.zh-dug-site-footer-bar ul {
  display: flex;
  gap: 28px;
}
.zh-dug-site-footer-bar li {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.74rem;
}
.zh-dug-site-footer-bar a {
  color: rgba(237, 228, 211, 0.5);
  text-decoration: none;
}
.zh-dug-site-footer-bar a:hover { color: var(--zh-dug-gold); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .zh-dug-site-nav { display: none; }
  .zh-dug-site-nav-link { display: none; }
  .zh-dug-site-nav-cta { display: none; }
  .zh-dug-site-nav-toggle { display: flex; }
  .zh-dug-site-header-inner { justify-content: space-between; gap: 16px; }

  .zh-dug-site-footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px 36px;
  }
  .zh-dug-site-footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .zh-dug-site-header-inner { padding: 0 22px; }
  .zh-dug-site-footer { padding: 70px 22px 28px; }
  .zh-dug-site-footer-inner { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
  .zh-dug-site-footer-bar { flex-direction: column; align-items: flex-start; }
}

.zh-dug-site-nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.zh-dug-site-nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.zh-dug-site-nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ============================================================
   DEEP-DIVE PAGES (Reality / Topic articles)
   Shared layout used by /reality/* pages
   ============================================================ */
.dd-hero {
  background: var(--zh-dug-cream);
  padding: 140px 32px 100px;
  position: relative; isolation: isolate;
}
.dd-hero::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--zh-dug-grain);
  pointer-events: none; z-index: 0; mix-blend-mode: multiply; opacity: 0.55;
}
.dd-hero-inner { max-width: 760px; margin: 0 auto; position: relative; z-index: 1; }
.dd-hero-crumb {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  color: var(--zh-dug-ink-mute);
  margin-bottom: 28px;
  display: block;
}
.dd-hero-crumb a {
  color: var(--zh-dug-ink-mute);
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.dd-hero-crumb a:hover { color: var(--zh-dug-brown); border-bottom-color: var(--zh-dug-gold); }
.dd-hero-num {
  font-family: var(--zh-dug-font-display);
  font-size: 0.86rem;
  color: var(--zh-dug-gold);
  letter-spacing: 0.24em;
  display: block;
  margin-bottom: 18px;
}
.dd-hero h1 {
  font-family: var(--zh-dug-font-display);
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  line-height: 1.18;
  color: var(--zh-dug-brown);
  margin: 0 0 28px;
}
.dd-hero h1 em { font-style: normal; color: var(--zh-dug-gold); }
.dd-hero-lead {
  font-family: var(--zh-dug-font-display);
  font-size: clamp(1.2rem, 1.8vw, 1.5rem);
  line-height: 1.55;
  color: var(--zh-dug-brown);
  letter-spacing: 0.01em;
}

.dd-body {
  background: var(--zh-dug-ivory);
  padding: 100px 32px;
  position: relative; isolation: isolate;
}
.dd-body::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--zh-dug-grain);
  pointer-events: none; z-index: 0; mix-blend-mode: multiply; opacity: 0.55;
}
.dd-body-inner { max-width: 760px; margin: 0 auto; position: relative; z-index: 1; }
.dd-body h2 {
  font-family: var(--zh-dug-font-display);
  font-size: clamp(1.6rem, 2.6vw, 2rem);
  line-height: 1.3;
  color: var(--zh-dug-brown);
  margin: 56px 0 22px;
  font-weight: 400;
  letter-spacing: 0.015em;
}
.dd-body h2:first-child { margin-top: 0; }
.dd-body h3 {
  font-family: var(--zh-dug-font-display);
  font-size: 1.3rem;
  line-height: 1.35;
  color: var(--zh-dug-brown);
  margin: 36px 0 14px;
  font-weight: 400;
}
.dd-body p {
  color: var(--zh-dug-ink-soft);
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 20px;
}
.dd-body em { color: var(--zh-dug-gold); font-style: normal; }
.dd-body strong { color: var(--zh-dug-brown); font-weight: 600; }
.dd-body ul, .dd-body ol {
  padding-left: 0; margin: 0 0 24px;
  list-style: none;
}
.dd-body ul li {
  position: relative;
  padding: 8px 0 8px 24px;
  color: var(--zh-dug-ink-soft);
  font-size: 1.02rem;
  line-height: 1.7;
}
.dd-body ul li::before {
  content: "—";
  position: absolute;
  left: 0; top: 8px;
  color: var(--zh-dug-gold);
}
.dd-body ol { counter-reset: dd; }
.dd-body ol li {
  counter-increment: dd;
  position: relative;
  padding: 10px 0 10px 40px;
  color: var(--zh-dug-ink-soft);
  font-size: 1.02rem;
  line-height: 1.7;
}
.dd-body ol li::before {
  content: counter(dd, decimal-leading-zero);
  position: absolute;
  left: 0; top: 12px;
  font-family: var(--zh-dug-font-display);
  font-size: 0.84rem;
  color: var(--zh-dug-gold);
  letter-spacing: 0.08em;
}
.dd-body blockquote {
  border-left: 2px solid var(--zh-dug-gold);
  padding: 8px 0 8px 28px;
  margin: 32px 0;
  font-family: var(--zh-dug-font-display);
  font-size: 1.2rem;
  line-height: 1.55;
  color: var(--zh-dug-brown);
  font-style: normal;
  letter-spacing: 0.01em;
}

/* Inline guide CTA — appears mid-article */
.dd-inline-cta {
  background: var(--zh-dug-cream);
  border: 1px solid var(--zh-dug-line);
  padding: 32px 36px;
  margin: 48px 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.dd-inline-cta-copy strong {
  display: block;
  font-family: var(--zh-dug-font-display);
  font-size: 1.15rem;
  color: var(--zh-dug-brown);
  margin-bottom: 8px;
  font-weight: 400;
  letter-spacing: 0.015em;
}
.dd-inline-cta-copy span {
  font-family: var(--zh-dug-font-sans);
  font-size: 0.9rem;
  color: var(--zh-dug-ink-soft);
  line-height: 1.6;
}

/* Related topics — at the bottom */
.dd-related {
  background: var(--zh-dug-cream);
  padding: 100px 32px;
  position: relative; isolation: isolate;
}
.dd-related::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--zh-dug-grain);
  pointer-events: none; z-index: 0; mix-blend-mode: multiply; opacity: 0.55;
}
.dd-related-inner { max-width: 1080px; margin: 0 auto; position: relative; z-index: 1; }
.dd-related-header { text-align: center; margin-bottom: 56px; }
.dd-related-header .zh-dug-eyebrow { display: block; margin-bottom: 18px; }
.dd-related-header h2 {
  font-family: var(--zh-dug-font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  color: var(--zh-dug-brown);
  line-height: 1.25;
}
.dd-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.dd-related-card {
  background: var(--zh-dug-ivory);
  border: 1px solid var(--zh-dug-line);
  padding: 32px 28px;
  text-decoration: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.dd-related-card:hover {
  border-color: var(--zh-dug-gold);
  box-shadow: var(--zh-dug-shadow);
  transform: translateY(-2px);
}
.dd-related-num {
  font-family: var(--zh-dug-font-display);
  font-size: 0.78rem;
  color: var(--zh-dug-gold);
  letter-spacing: 0.22em;
}
.dd-related-card h3 {
  font-family: var(--zh-dug-font-display);
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--zh-dug-brown);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin: 0;
}

/* Final CTA on each deep-dive */
.dd-close {
  background: var(--zh-dug-brown);
  color: var(--zh-dug-on-dark);
  padding: 140px 32px;
  text-align: center;
  position: relative; isolation: isolate;
}
.dd-close::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--zh-dug-grain);
  pointer-events: none; z-index: 0; mix-blend-mode: overlay; opacity: 0.35;
}
.dd-close-inner { max-width: 720px; margin: 0 auto; position: relative; z-index: 1; }
.dd-close h2 {
  color: var(--zh-dug-on-dark);
  font-family: var(--zh-dug-font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: 22px;
}
.dd-close h2 em { font-style: normal; color: var(--zh-dug-gold); }
.dd-close p {
  color: var(--zh-dug-on-dark-soft);
  font-family: var(--zh-dug-font-sans);
  font-size: 1.02rem;
  line-height: 1.85;
  margin-bottom: 40px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.dd-close-ctas {
  display: flex; gap: 14px; justify-content: center; flex-wrap: wrap;
}

@media (max-width: 760px) {
  .dd-related-grid { grid-template-columns: 1fr; }
  .dd-inline-cta { grid-template-columns: 1fr; gap: 18px; text-align: left; }
}
@media (max-width: 600px) {
  .dd-hero { padding: 110px 22px 70px; }
  .dd-body, .dd-related, .dd-close { padding: 80px 22px; }
  .dd-close-ctas { flex-direction: column; align-items: stretch; }
  .dd-close-ctas .zh-dug-btn { width: 100%; }
}