/* =====================================================================
   AUDHD HUB — audhd.css
   AuDHD Content Track: when autism and ADHD exist together
   ===================================================================== */

/* ── Page shell ─────────────────────────────────────────────────── */
.dd-audhd-hub {
  background: #080808;
  min-height: 100vh;
  padding-bottom: 6rem;
  font-family: 'Inter', sans-serif;
  color: #f0f0f0;
}

/* ── Hero ───────────────────────────────────────────────────────── */
.dau-hero {
  padding: 5rem 0 4rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}
.dau-hero::after {
  content: 'AuDHD';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: clamp(6rem, 15vw, 14rem);
  font-weight: 900;
  letter-spacing: -0.05em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(0,232,232,0.06);
  pointer-events: none;
  user-select: none;
  line-height: 1;
}
.dau-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #00E8E8;
  background: rgba(0,232,232,0.08);
  border: 1px solid rgba(0,232,232,0.2);
  border-radius: 4px;
  padding: 0.25rem 0.6rem;
  margin-bottom: 1.25rem;
}
.dau-hero-kicker::before {
  content: '◈';
  font-size: 0.65rem;
}
.dau-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  max-width: 720px;
  margin-bottom: 1rem;
}
.dau-hero h1 em {
  font-style: normal;
  color: #00E8E8;
}
.dau-hero-sub {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.5);
  max-width: 580px;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.dau-hero-facts {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.dau-hero-fact {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.dau-hero-fact-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.75rem;
  font-weight: 700;
  color: #00E8E8;
  line-height: 1;
}
.dau-hero-fact-label {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.04em;
  max-width: 120px;
  line-height: 1.4;
}

/* ── Intro callout ──────────────────────────────────────────────── */
.dau-intro {
  padding: 3rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.dau-intro-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: start;
}
.dau-intro-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.dau-intro-content p {
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.6);
  margin-bottom: 0.875rem;
}
.dau-intro-content p:last-child {
  margin-bottom: 0;
}
.dau-intro-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.dau-stat-card {
  background: rgba(0,232,232,0.04);
  border: 1px solid rgba(0,232,232,0.12);
  border-radius: 10px;
  padding: 1.1rem 1.25rem;
}
.dau-stat-card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: #00E8E8;
  line-height: 1;
  margin-bottom: 0.35rem;
}
.dau-stat-card-text {
  font-size: 0.775rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.55;
}
.dau-stat-card-cite {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.25);
  font-style: italic;
  margin-top: 0.35rem;
  display: block;
}

/* ── Article track ──────────────────────────────────────────────── */
.dau-track {
  padding: 3.5rem 0;
}
.dau-track-header {
  margin-bottom: 2rem;
}
.dau-track-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 0.5rem;
}
.dau-track-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.dau-track-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  overflow: hidden;
}
.dau-article-card {
  background: #0e0e0e;
  padding: 2rem 2.25rem;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: background 0.2s;
  position: relative;
}
.dau-article-card:hover {
  background: #141414;
}
.dau-article-card::after {
  content: '→';
  position: absolute;
  top: 2rem;
  right: 2rem;
  font-size: 1rem;
  color: rgba(255,255,255,0.15);
  transition: color 0.2s, transform 0.2s;
}
.dau-article-card:hover::after {
  color: #00E8E8;
  transform: translateX(3px);
}
.dau-article-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(0,232,232,0.5);
}
.dau-article-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  color: #f0f0f0;
  max-width: calc(100% - 2rem);
  letter-spacing: -0.01em;
}
.dau-article-excerpt {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.45);
  line-height: 1.65;
}
.dau-article-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: auto;
}
.dau-article-time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem;
  color: rgba(255,255,255,0.25);
  letter-spacing: 0.04em;
}
.dau-article-cat {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #00E8E8;
  padding: 0.15rem 0.4rem;
  background: rgba(0,232,232,0.08);
  border-radius: 3px;
}

/* ── DSM note ───────────────────────────────────────────────────── */
.dau-dsm-note {
  padding: 2.5rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 12px;
  margin-top: 3rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  align-items: start;
}
.dau-dsm-icon {
  width: 48px;
  height: 48px;
  background: rgba(0,232,232,0.08);
  border: 1px solid rgba(0,232,232,0.15);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.25rem;
  color: #00E8E8;
  flex-shrink: 0;
}
.dau-dsm-content h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.dau-dsm-content p {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin: 0;
}

/* ── Tool callout ───────────────────────────────────────────────── */
.dau-tool-callout {
  margin-top: 3rem;
  padding: 2.5rem;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,232,232,0.06), rgba(204,255,0,0.03));
  border: 1px solid rgba(0,232,232,0.15);
}
.dau-tool-callout-kicker {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #00E8E8;
  margin-bottom: 0.75rem;
}
.dau-tool-callout h2 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.dau-tool-callout p {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.dau-tool-chips {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.dau-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s, transform 0.15s;
  border: 1px solid;
}
.dau-chip:hover { opacity: 0.85; transform: translateY(-1px); }
.dau-chip--steady { color: #00E8E8; border-color: rgba(0,232,232,0.35); background: rgba(0,232,232,0.08); }
.dau-chip--spark  { color: #CCFF00; border-color: rgba(204,255,0,0.35); background: rgba(204,255,0,0.08); }
.dau-chip--crisis { color: #FF4444; border-color: rgba(255,68,68,0.35); background: rgba(255,68,68,0.08); }

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .dau-intro-grid { grid-template-columns: 1fr; gap: 2rem; }
  .dau-intro-sidebar { flex-direction: row; flex-wrap: wrap; }
  .dau-stat-card { flex: 1; min-width: 200px; }
}
@media (max-width: 700px) {
  .dau-hero { padding: 3rem 0 2.5rem; }
  .dau-hero::after { display: none; }
  .dau-track-grid { grid-template-columns: 1fr; }
  .dau-article-card { padding: 1.5rem; }
  .dau-dsm-note { grid-template-columns: 1fr; }
  .dau-dsm-icon { width: 36px; height: 36px; font-size: 1rem; }
}
@media (max-width: 480px) {
  .dau-hero-facts { gap: 1.5rem; }
  .dau-hero-fact-num { font-size: 1.4rem; }
  .dau-tool-callout { padding: 1.5rem; }
}