/* ===========================================
   ADR Article styles
   Shared across all /articles/*.html
   =========================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #1E40FF;
  --blue-deep: #1230cc;
  --purple: #7C3AED;
  --magenta: #D946EF;
  --gradient: linear-gradient(90deg, #1E40FF 0%, #7C3AED 60%, #D946EF 100%);
  --gradient-soft: linear-gradient(135deg, rgba(30,64,255,0.08) 0%, rgba(217,70,239,0.08) 100%);
  --dark: #0d0e14;
  --bg: #ffffff;
  --bg-alt: #f5f6fa;
  --text: #14151c;
  --text-secondary: #4a4b58;
  --text-dim: #8a8b96;
  --text-light: #c2c3cc;
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.14);
  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 8px 32px rgba(15,20,40,0.08);
  --shadow-lg: 0 16px 48px rgba(15,20,40,0.14);
  --max: 1140px;
  --article-max: 720px;
  --font: 'Poppins', 'Inter', system-ui, -apple-system, sans-serif;
  --transition: 0.25s ease;

  --warn-bg: #fef3c7;
  --warn-border: #f59e0b;
  --warn-text: #78350f;
  --danger-bg: #fee2e2;
  --danger-border: #dc2626;
  --danger-text: #7f1d1d;
  --info-bg: rgba(30,64,255,0.06);
  --info-border: #1E40FF;
  --info-text: #1230cc;
  --ok-bg: #d1fae5;
  --ok-border: #10b981;
  --ok-text: #065f46;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--purple); }

/* === NAV (matches landing) === */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; height: 72px; background: rgba(13,14,20,0.92); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-inner { max-width: var(--max); margin: 0 auto; height: 100%; display: flex; align-items: center; padding: 0 24px; gap: 24px; }
.nav-logo { display: flex; align-items: center; height: 100%; padding: 4px 0; }
.nav-logo img { height: 64px; width: auto; }
.nav-links { display: flex; gap: 28px; margin-left: auto; list-style: none; align-items: center; }
.nav-links a { color: var(--text-light); font-size: 0.82rem; font-weight: 500; letter-spacing: 0.2px; }
.nav-links a:hover { color: #fff; }
.nav-phone { display: flex; align-items: center; gap: 8px; color: #fff; font-weight: 600; font-size: 0.88rem; }
.nav-cta { background: var(--gradient); color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 0.82rem; font-weight: 600; letter-spacing: 0.3px; transition: transform var(--transition), box-shadow var(--transition); }
.nav-cta:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(124,58,237,0.4); }
.nav-articles { display: none; align-items: center; justify-content: center; width: 40px; height: 40px; color: #fff; border-radius: 8px; transition: background var(--transition); }
.nav-articles:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-articles svg { width: 24px; height: 24px; display: block; }

/* === ARTICLE HEADER === */
.article-hero {
  margin-top: 72px;
  background: var(--dark);
  color: #fff;
  padding: 64px 24px 48px;
  position: relative;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(30,64,255,0.15) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(217,70,239,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.article-hero-inner {
  max-width: var(--article-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.article-eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-light);
  margin-bottom: 18px;
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 100px;
  font-weight: 600;
}
.article-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 18px;
}
.article-lead {
  font-size: clamp(1.02rem, 1.5vw, 1.18rem);
  color: var(--text-light);
  line-height: 1.6;
  font-weight: 300;
  margin-bottom: 28px;
}
.article-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-light);
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.article-meta strong { color: #fff; font-weight: 600; }
.article-meta-sep { color: var(--text-dim); }

/* === ARTICLE BODY === */
.article-body {
  padding: 56px 24px 32px;
  max-width: var(--article-max);
  margin: 0 auto;
}
.article-body > * + * { margin-top: 1.4em; }
.article-body p {
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--text);
}
.article-body p + p { margin-top: 1.2em; }
.article-body h2 {
  font-size: clamp(1.4rem, 2.4vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.4px;
  margin-top: 2.4em;
  margin-bottom: 0.6em;
  line-height: 1.25;
  color: var(--text);
}
.article-body h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 1.8em;
  margin-bottom: 0.5em;
  color: var(--text);
}
.article-body ul, .article-body ol {
  padding-left: 24px;
  font-size: 1.02rem;
  line-height: 1.75;
}
.article-body li { margin-bottom: 0.6em; }
.article-body li::marker { color: var(--purple); }
.article-body strong { font-weight: 600; color: var(--text); }
.article-body a {
  color: var(--blue);
  text-decoration: underline;
  text-decoration-color: rgba(30,64,255,0.3);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--transition);
}
.article-body a:hover { text-decoration-color: var(--purple); color: var(--purple); }
.article-body blockquote {
  border-left: 3px solid var(--purple);
  padding: 8px 0 8px 24px;
  margin: 1.8em 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 1.05rem;
}
.article-body code {
  font-family: 'SF Mono', Menlo, Monaco, Consolas, monospace;
  background: var(--bg-alt);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
}

/* === CALLOUT BOXES === */
.callout {
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  margin: 2em 0;
  border-left: 4px solid;
}
.callout-title {
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.callout-title::before {
  content: '';
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  font-family: var(--font);
}
.callout p:first-of-type { margin-top: 0; }
.callout p, .callout li { font-size: 0.96rem; line-height: 1.65; }

.callout-action {
  background: var(--ok-bg);
  border-color: var(--ok-border);
  color: var(--ok-text);
}
.callout-action .callout-title { color: var(--ok-text); }
.callout-action .callout-title::before { content: '!'; background: var(--ok-border); }

.callout-warn {
  background: var(--warn-bg);
  border-color: var(--warn-border);
  color: var(--warn-text);
}
.callout-warn .callout-title { color: var(--warn-text); }
.callout-warn .callout-title::before { content: '×'; background: var(--warn-border); }

.callout-danger {
  background: var(--danger-bg);
  border-color: var(--danger-border);
  color: var(--danger-text);
}
.callout-danger .callout-title { color: var(--danger-text); }
.callout-danger .callout-title::before { content: '×'; background: var(--danger-border); font-size: 16px; }

.callout-info {
  background: var(--info-bg);
  border-color: var(--info-border);
  color: var(--info-text);
}
.callout-info .callout-title { color: var(--info-text); }
.callout-info .callout-title::before { content: 'i'; background: var(--info-border); font-style: italic; }

/* === IN-ARTICLE CTA === */
.inline-cta {
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin: 2.4em 0;
  text-align: center;
}
.inline-cta h3 {
  font-size: 1.15rem !important;
  font-weight: 600;
  margin: 0 0 10px !important;
  letter-spacing: -0.3px;
  color: var(--text) !important;
}
.inline-cta p { font-size: 0.96rem !important; color: var(--text-secondary); margin: 0 0 16px !important; }
.inline-cta .btn-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-top: 4px; }
.inline-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11px 22px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none !important;
  transition: all var(--transition);
  font-family: var(--font);
  border: none;
  cursor: pointer;
}
.inline-cta .btn-primary { background: var(--gradient); color: #fff !important; box-shadow: 0 6px 20px rgba(124,58,237,0.28); }
.inline-cta .btn-primary:hover { color: #fff !important; transform: translateY(-1px); }
.inline-cta .btn-ghost { background: var(--bg); color: var(--text) !important; border: 1px solid var(--border-strong); }
.inline-cta .btn-ghost:hover { background: var(--bg-alt); color: var(--text) !important; }

/* === END-OF-ARTICLE CTA (bigger) === */
.article-cta-block {
  background: var(--dark);
  color: #fff;
  padding: 56px 24px;
  margin-top: 32px;
  position: relative;
  overflow: hidden;
}
.article-cta-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(217,70,239,0.12) 0%, transparent 60%);
  pointer-events: none;
}
.article-cta-inner {
  max-width: var(--article-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
  text-align: center;
}
.article-cta-block h2 {
  font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 600;
  letter-spacing: -0.4px;
  margin-bottom: 12px;
  color: #fff;
}
.article-cta-block p { color: var(--text-light); font-size: 1rem; line-height: 1.65; margin-bottom: 24px; max-width: 520px; margin-left: auto; margin-right: auto; }
.article-cta-block .btn-row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.article-cta-block .btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 26px; border-radius: 10px;
  font-size: 0.92rem; font-weight: 600;
  text-decoration: none !important;
  transition: all var(--transition);
  font-family: var(--font);
  border: none;
}
.article-cta-block .btn-primary { background: var(--gradient); color: #fff !important; box-shadow: 0 8px 28px rgba(124,58,237,0.35); }
.article-cta-block .btn-primary:hover { color: #fff !important; transform: translateY(-2px); }
.article-cta-block .btn-ghost { background: rgba(255,255,255,0.06); color: #fff !important; border: 1px solid rgba(255,255,255,0.18); }
.article-cta-block .btn-ghost:hover { background: rgba(255,255,255,0.12); color: #fff !important; }
.article-cta-block .trust {
  font-size: 0.78rem;
  color: var(--text-light);
  opacity: 0.7;
  margin-top: 24px;
  margin-bottom: 0;
}

/* === RELATED ARTICLES === */
.related {
  background: var(--bg-alt);
  padding: 56px 24px;
}
.related-inner { max-width: var(--article-max); margin: 0 auto; }
.related h3 {
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 24px;
  color: var(--text-dim);
  font-weight: 600;
  text-align: center;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.related-card {
  display: block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
  transition: all var(--transition);
  text-decoration: none !important;
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
  border-color: transparent;
}
.related-card-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  margin-bottom: 8px;
}
.related-card-title {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

/* === FOOTER (matches landing) === */
.footer { background: var(--dark); color: var(--text-light); padding: 64px 24px 32px; }
.footer-inner { max-width: var(--max); margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand img { height: 56px; margin-bottom: 18px; }
.footer-brand p { font-size: 0.86rem; line-height: 1.7; color: var(--text-light); margin-bottom: 14px; }
.footer-brand .parent { font-size: 0.78rem; color: var(--text-dim); }
.footer-brand .parent a { color: var(--text-light); }
.footer-col h4 { font-size: 0.72rem; letter-spacing: 2px; text-transform: uppercase; color: #fff; margin-bottom: 18px; font-weight: 600; }
.footer-col a, .footer-col p { display: block; font-size: 0.86rem; color: var(--text-light); margin-bottom: 10px; line-height: 1.5; }
.footer-col a:hover { color: var(--magenta); }
.footer-bottom { padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 0.78rem; color: var(--text-dim); }

/* === RESPONSIVE === */
@media (max-width: 860px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .nav-logo { display: none; }
  .nav-articles { display: flex; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand img { height: 96px; }
}
@media (max-width: 540px) {
  .nav-logo img { height: 52px; }
  .nav-phone { display: none; }
  .article-hero { padding: 48px 20px 36px; }
  .article-body { padding: 40px 20px 24px; font-size: 1rem; }
  .article-body p, .article-body ul, .article-body ol { font-size: 0.98rem; }
  .callout { padding: 20px 22px; }
  .inline-cta, .article-cta-block { padding: 40px 22px; }
  .related { padding: 40px 20px; }
  .footer-top { grid-template-columns: 1fr; }
  .article-cta-block .btn-row, .inline-cta .btn-row { flex-direction: column; }
  .article-cta-block .btn, .inline-cta .btn { width: 100%; justify-content: center; }
}