/* AbuDhabi.at — editorial desert palette */
:root {
  --bg: #FBF9F4;
  --surface: #FFFFFF;
  --surface-alt: #F4EFE6;
  --border: #E4DCC8;
  --text: #1F1B14;
  --text-muted: #6B6353;
  --text-faint: #A89F8A;
  --accent: #A45A2A;         /* terracotta — desert stone, not gaudy gold */
  --accent-hover: #7E4319;
  --accent-soft: #F3E3D2;
  --link: #A45A2A;
  --success: #4B7A32;
  --error: #A12C7B;
  --shadow: 0 1px 2px rgba(31,27,20,.04), 0 8px 24px rgba(31,27,20,.04);
  --radius: 4px;
  --measure: 68ch;
}

@font-face {
  font-family: 'InstrumentSerif';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Instrument Serif'), local('InstrumentSerif-Regular');
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.62;
  color: var(--text);
  background: var(--bg);
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: 'Instrument Serif', 'Iowan Old Style', Georgia, serif;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 2.4em 0 0.6em;
  line-height: 1.15;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-top: 0; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.1rem); }
h3 { font-size: 1.28rem; font-family: 'Inter', sans-serif; font-weight: 600; letter-spacing: -0.005em; }
h4 { font-size: 1.05rem; font-family: 'Inter', sans-serif; font-weight: 600; margin-bottom: 0.3em; }

p, ul, ol { max-width: var(--measure); margin: 0 0 1.15em; }
p:has(+ ul), p:has(+ ol) { margin-bottom: 0.5em; }
ul, ol { padding-left: 1.3em; }
li { margin-bottom: 0.35em; }
li > p { margin-bottom: 0.4em; }

a { color: var(--link); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent-hover); }

strong { font-weight: 600; color: var(--text); }
em { font-style: italic; }

hr { border: none; border-top: 1px solid var(--border); margin: 3em 0; }

blockquote {
  border-left: 2px solid var(--accent);
  margin: 1.5em 0;
  padding: 0.2em 0 0.2em 1.2em;
  color: var(--text-muted);
  font-style: italic;
}

code {
  font-family: ui-monospace, "SF Mono", Monaco, Consolas, monospace;
  font-size: 0.92em;
  background: var(--surface-alt);
  padding: 0.15em 0.4em;
  border-radius: 3px;
}

/* Layout */
.container { width: 100%; max-width: 780px; margin: 0 auto; padding: 0 24px; }
.container-wide { max-width: 1160px; }

/* Nav */
header.site-nav {
  border-bottom: 1px solid var(--border);
  background: var(--bg);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: saturate(1.1) blur(8px);
  background: rgba(251, 249, 244, 0.86);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; max-width: 1160px; margin: 0 auto;
}
.brand {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.35rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 8px;
}
.brand-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); display: inline-block; }
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a {
  color: var(--text-muted); text-decoration: none; font-size: 0.93rem; font-weight: 500;
}
.nav-links a:hover { color: var(--accent); }
.nav-toggle { display: none; background: none; border: none; padding: 6px; cursor: pointer; }

/* Hero */
.hero {
  padding: 72px 24px 40px;
  max-width: 1160px; margin: 0 auto;
}
.hero .kicker {
  text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.78rem;
  color: var(--accent); font-weight: 600; margin-bottom: 16px;
}
.hero h1 { max-width: 18ch; margin-bottom: 20px; }
.hero .lede {
  font-size: 1.22rem; line-height: 1.55; color: var(--text-muted);
  max-width: 60ch; margin: 0 0 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 20px;
  background: var(--accent); color: white;
  text-decoration: none; font-weight: 500; font-size: 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  transition: background .15s;
}
.btn:hover { background: var(--accent-hover); color: white; border-color: var(--accent-hover); }
.btn-ghost {
  background: transparent; color: var(--text); border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface-alt); color: var(--text); border-color: var(--text-muted); }

/* Article */
article.content { padding: 32px 24px 80px; }
article.content .meta {
  color: var(--text-faint); font-size: 0.88rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px; margin-bottom: 36px;
}
article.content h2 { border-top: 1px solid var(--border); padding-top: 1.8em; }
article.content h2:first-of-type { border-top: none; padding-top: 0; }

/* Fact box */
.fact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  padding: 18px 22px;
  margin: 1.6em 0;
  border-radius: var(--radius);
  font-size: 0.96rem;
}
.fact .fact-label {
  text-transform: uppercase; letter-spacing: 0.1em;
  font-size: 0.72rem; color: var(--accent); font-weight: 600;
  margin-bottom: 8px;
}
.fact ul { margin-bottom: 0; }
.fact.warning { border-left-color: var(--error); }
.fact.warning .fact-label { color: var(--error); }

/* Source line */
.source {
  font-size: 0.83rem; color: var(--text-faint);
  margin: 0.4em 0 1.8em;
}
.source a { color: var(--text-muted); }

/* Table */
table {
  width: 100%; max-width: var(--measure);
  border-collapse: collapse; margin: 1.6em 0;
  font-size: 0.94rem;
}
th, td {
  padding: 12px 14px; text-align: left;
  border-bottom: 1px solid var(--border);
}
th { font-weight: 600; color: var(--text-muted); background: var(--surface-alt); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; }

/* Card grid */
.grid {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  margin: 20px 0 40px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color .15s, transform .15s;
  display: block;
}
.card:hover { border-color: var(--accent); transform: translateY(-1px); color: var(--text); }
.card h3 {
  margin: 0 0 8px; font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 1.35rem; color: var(--text); letter-spacing: -0.01em;
}
.card p { color: var(--text-muted); margin: 0; font-size: 0.94rem; line-height: 1.5; }
.card .card-kicker {
  font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); font-weight: 600; margin-bottom: 10px;
}

/* Lead form */
.lead-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin: 2.4em 0;
}
.lead-form h3 {
  margin-top: 0; font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 1.6rem; letter-spacing: -0.01em;
}
.lead-form p { margin-bottom: 20px; color: var(--text-muted); }
.form-row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; margin-bottom: 12px; }
.form-row.full { grid-template-columns: 1fr; }
.lead-form input, .lead-form textarea, .lead-form select {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: inherit; font-size: 0.96rem;
  color: var(--text);
}
.lead-form input:focus, .lead-form textarea:focus, .lead-form select:focus {
  outline: none; border-color: var(--accent);
}
.lead-form label { display: block; font-size: 0.86rem; color: var(--text-muted); margin-bottom: 4px; font-weight: 500; }
.lead-form textarea { min-height: 90px; resize: vertical; }
.lead-form .btn { margin-top: 8px; }
.lead-form .privacy { font-size: 0.8rem; color: var(--text-faint); margin-top: 12px; }

/* Newsletter inline */
.newsletter {
  background: var(--surface-alt);
  border-radius: var(--radius);
  padding: 28px;
  margin: 2em 0;
}
.newsletter h3 {
  margin: 0 0 8px; font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: 1.4rem; letter-spacing: -0.01em;
}
.newsletter p { margin-bottom: 16px; color: var(--text-muted); font-size: 0.95rem; }
.newsletter form { display: flex; gap: 8px; flex-wrap: wrap; }
.newsletter input[type=email] {
  flex: 1; min-width: 220px;
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  font-family: inherit; font-size: 0.96rem;
}

/* Footer */
footer {
  border-top: 1px solid var(--border);
  background: var(--surface-alt);
  padding: 48px 24px 32px;
  color: var(--text-muted); font-size: 0.9rem;
  margin-top: 80px;
}
.footer-inner {
  max-width: 1160px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
}
footer h4 {
  font-family: 'Inter', sans-serif; font-size: 0.78rem;
  text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--text); margin: 0 0 14px;
}
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: 6px; }
footer a { color: var(--text-muted); text-decoration: none; }
footer a:hover { color: var(--accent); }
.footer-bottom {
  max-width: 1160px; margin: 40px auto 0;
  padding-top: 24px; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  font-size: 0.82rem; color: var(--text-faint);
}
.footer-sale a { color: var(--text-faint); font-size: 0.78rem; }

/* TOC */
.toc {
  background: var(--surface-alt);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 1.5em 0 2.5em;
  font-size: 0.94rem;
}
.toc .toc-label {
  text-transform: uppercase; letter-spacing: 0.12em;
  font-size: 0.74rem; color: var(--text-muted); font-weight: 600;
  margin-bottom: 10px;
}
.toc ol { margin: 0; padding-left: 1.2em; column-count: 2; column-gap: 24px; }
.toc a { color: var(--text); text-decoration: none; }
.toc a:hover { color: var(--accent); text-decoration: underline; }

/* Featured cards / homepage sections */
.section { padding: 60px 24px; max-width: 1160px; margin: 0 auto; }
.section-title {
  font-family: 'Instrument Serif', serif; font-weight: 400;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  letter-spacing: -0.01em; margin: 0 0 8px;
}
.section-sub {
  color: var(--text-muted); font-size: 1rem; margin: 0 0 32px;
  max-width: 60ch;
}

/* Details/FAQ */
details {
  border-top: 1px solid var(--border);
  padding: 18px 0;
}
details:last-of-type { border-bottom: 1px solid var(--border); }
details summary {
  cursor: pointer; font-weight: 500; font-size: 1.02rem;
  list-style: none; position: relative;
  padding-right: 30px;
}
details summary::-webkit-details-marker { display: none; }
details summary::after {
  content: '+'; position: absolute; right: 4px; top: -2px;
  color: var(--accent); font-size: 1.5rem; line-height: 1; font-weight: 300;
  transition: transform .15s;
}
details[open] summary::after { content: '−'; }
details > *:not(summary) { margin-top: 14px; color: var(--text-muted); }

/* Responsive */
@media (max-width: 720px) {
  body { font-size: 16.5px; }
  .hero { padding: 48px 20px 24px; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg); flex-direction: column; padding: 20px 24px; border-bottom: 1px solid var(--border); gap: 16px; }
  .nav-links.open { display: flex; }
  .nav-toggle { display: block; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
  .toc ol { column-count: 1; }
}
@media (max-width: 480px) {
  .footer-inner { grid-template-columns: 1fr; }
}