/* =====================================================================
   DID BUILT — supplemental components on top of did-kit.css
   All classes are db- prefixed and consume did-kit design tokens.
   ===================================================================== */

/* ---- nav ---- */
.db-brand-stack { display: flex; flex-direction: column; line-height: 1.15; }
.db-byline { font-family: var(--did-font-mono); font-size: 0.56rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--did-text-mute); }
.db-nav-right { display: flex; align-items: center; gap: 0.6rem; }
.db-nav-links { display: flex; align-items: center; gap: 0.45rem; }

/* ---- hero stat row ---- */
.db-stat-row { display: flex; flex-wrap: wrap; gap: 2.4rem; }
.db-stat { display: flex; flex-direction: column; gap: 0.35rem; }
.db-stat strong { font-family: var(--did-font-display); font-weight: 700; font-size: 1.9rem;
  color: var(--did-text); letter-spacing: 0.02em; line-height: 1; }
.db-stat strong .did-accent { font-size: inherit; }
.db-stat span { font-family: var(--did-font-mono); font-size: 0.64rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--did-text-mute); }

/* ---- numbered services (redstone-style rows) ---- */
.db-service-row { display: grid; grid-template-columns: 96px 1fr 1.4fr; gap: 1.5rem;
  align-items: baseline; padding: 1.7rem 0.4rem; border-bottom: 1px solid var(--did-line);
  transition: background 0.35s, padding-left 0.35s; }
.db-service-row:first-of-type { border-top: 1px solid var(--did-line); }
.db-service-row:hover { background: rgba(30, 111, 255, 0.045); padding-left: 0.9rem; }
.db-service-num { font-family: var(--did-font-mono); font-weight: 500; font-size: 1.5rem;
  color: var(--did-text-mute); letter-spacing: 0.06em; }
.db-service-row:hover .db-service-num { color: var(--did-blue-glow); }
.db-service-name { font-family: var(--did-font-display); font-weight: 600;
  font-size: clamp(1.05rem, 1.8vw, 1.35rem); color: var(--did-text); margin: 0; }
.db-service-desc { color: var(--did-text-dim); line-height: 1.6; margin: 0; font-size: 0.95rem; }

/* ---- tech stack tiers ---- */
.db-tier { border: 1px solid var(--did-line); border-radius: 18px; padding: 1.7rem;
  background: linear-gradient(180deg, rgba(110, 193, 255, 0.04), rgba(2, 10, 25, 0.4));
  backdrop-filter: blur(12px); display: flex; flex-direction: column; gap: 1.1rem;
  transition: border-color 0.4s, box-shadow 0.4s; }
.db-tier:hover { border-color: rgba(30, 111, 255, 0.4); box-shadow: var(--did-glow-md); }
.db-tier-head h3 { font-family: var(--did-font-display); color: var(--did-text); margin: 0 0 0.35rem; }
.db-tier-head p { color: var(--did-text-dim); margin: 0; font-size: 0.9rem; line-height: 1.55; }
.db-chip-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.db-chip { display: inline-flex; align-items: center; padding: 0.32rem 0.7rem; border-radius: 999px;
  border: 1px solid var(--did-line); background: rgba(2, 10, 25, 0.45);
  font-family: var(--did-font-mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--did-text-dim); white-space: nowrap; }

/* ---- portfolio project cards ---- */
.db-project-grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); }
.db-project-card { display: flex; flex-direction: column; border: 1px solid var(--did-line);
  border-radius: 18px; overflow: hidden; text-decoration: none;
  background: linear-gradient(180deg, rgba(110, 193, 255, 0.05), rgba(2, 10, 25, 0.4));
  backdrop-filter: blur(12px); transition: border-color 0.4s, transform 0.4s, box-shadow 0.4s; }
.db-project-card:hover { border-color: rgba(30, 111, 255, 0.45); transform: translateY(-4px);
  box-shadow: var(--did-glow-md); }
.db-shot { aspect-ratio: 16 / 10; overflow: hidden; border-bottom: 1px solid var(--did-line);
  background: linear-gradient(160deg, #04101F, #020A19); }
.db-shot img { width: 100%; height: 100%; object-fit: cover; display: block; }
.db-shot-hero { border: 1px solid var(--did-line); border-radius: 18px; }
.db-card-body { display: flex; flex-direction: column; gap: 0.55rem; padding: 1.4rem; flex: 1; }
.db-card-title { font-family: var(--did-font-display); font-weight: 600; font-size: 1.2rem;
  color: var(--did-text); margin: 0; }
.db-card-industry { font-family: var(--did-font-mono); font-size: 0.62rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--did-blue-glow); }
.db-card-services { color: var(--did-text-mute); font-size: 0.82rem;
  font-family: var(--did-font-mono); letter-spacing: 0.04em; }
.db-card-link { margin-top: auto; padding-top: 0.6rem; font-family: var(--did-font-mono);
  font-size: 0.68rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--did-text-dim); transition: color 0.3s; }
.db-project-card:hover .db-card-link { color: var(--did-blue-glow); }

/* coming-soon concept cards */
.db-coming-soon { border-style: dashed; opacity: 0.8; }
.db-coming-soon:hover { transform: none; box-shadow: none; border-color: rgba(110, 193, 255, 0.3); }
.db-badge { display: inline-flex; align-self: flex-start; padding: 0.28rem 0.65rem; border-radius: 999px;
  border: 1px solid rgba(110, 193, 255, 0.3); background: rgba(30, 111, 255, 0.08);
  font-family: var(--did-font-mono); font-size: 0.58rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--did-blue-glow); }

/* ---- portfolio legend ---- */
.db-legend { display: flex; flex-wrap: wrap; gap: 0.45rem; }

/* ---- case study ---- */
.db-breadcrumb { font-family: var(--did-font-mono); font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--did-text-mute); }
.db-breadcrumb a { color: var(--did-text-mute); text-decoration: none; transition: color 0.3s; }
.db-breadcrumb a:hover { color: var(--did-blue-glow); }
.db-breadcrumb span { margin: 0 0.45rem; color: var(--did-text-mute); }
.db-case-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.2rem 1.6rem; margin: 0; padding: 1.5rem; border: 1px solid var(--did-line);
  border-radius: 18px; background: rgba(2, 10, 25, 0.45); backdrop-filter: blur(10px); }
.db-case-meta div { display: flex; flex-direction: column; gap: 0.35rem; }
.db-case-meta dt { font-family: var(--did-font-mono); font-size: 0.6rem; font-weight: 500;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--did-blue-glow); }
.db-case-meta dd { margin: 0; color: var(--did-text-dim); font-size: 0.9rem; line-height: 1.5; }
.db-case-meta dd a { color: var(--did-blue-mid); text-decoration: none; }
.db-case-meta dd a:hover { color: var(--did-blue-glow); }
.db-prose { color: var(--did-text-dim); line-height: 1.75; max-width: 68ch; }
.db-prose p { margin: 0 0 1.1rem; }

/* prev / next */
.db-prevnext { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }

/* ---- FAQ (native details) ---- */
.db-faq { border: 1px solid var(--did-line); border-radius: 14px; margin-bottom: 0.8rem;
  background: linear-gradient(180deg, rgba(110, 193, 255, 0.04), rgba(2, 10, 25, 0.4));
  backdrop-filter: blur(10px); transition: border-color 0.35s; }
.db-faq[open] { border-color: rgba(30, 111, 255, 0.4); }
.db-faq summary { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  cursor: pointer; list-style: none; padding: 1.15rem 1.4rem;
  font-family: var(--did-font-display); font-weight: 600; font-size: 1.02rem; color: var(--did-text); }
.db-faq summary::-webkit-details-marker { display: none; }
.db-faq summary::after { content: '+'; font-family: var(--did-font-mono); font-weight: 500;
  font-size: 1.15rem; color: var(--did-blue-glow); transition: transform 0.3s; flex-shrink: 0; }
.db-faq[open] summary::after { content: '−'; }
.db-faq-body { padding: 0 1.4rem 1.3rem; color: var(--did-text-dim); line-height: 1.7; font-size: 0.95rem; }
.db-faq-body p { margin: 0; }

/* ---- CTA band ---- */
.db-cta-band { position: relative; padding: clamp(4.5rem, 12vh, 8rem) 0; text-align: center;
  overflow: hidden; }
.db-cta-band::before { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(60% 80% at 50% 50%, rgba(30, 111, 255, 0.13), transparent 70%); }
.db-cta-band > * { position: relative; }
.db-cta-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }

/* ---- footer ---- */
.db-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 2.4rem;
  padding-bottom: 2.4rem; }
.db-footer-col h4 { font-family: var(--did-font-mono); font-size: 0.64rem; font-weight: 500;
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--did-blue-glow); margin: 0 0 0.9rem; }
.db-footer-col ul { list-style: none; margin: 0; padding: 0; display: flex;
  flex-direction: column; gap: 0.5rem; }
.db-footer-col li { font-size: 0.85rem; }
.db-footer-brand { display: flex; flex-direction: column; gap: 0.7rem; }
.db-footer-brand img { width: 42px; height: 42px; }
.db-footer-brand p { margin: 0; line-height: 1.65; }
.db-footer-bottom { border-top: 1px solid var(--did-line); padding-top: 1.6rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: 0.78rem; }

/* ---- section header helper ---- */
.db-section-head { display: flex; flex-direction: column; gap: 0.9rem; margin-bottom: 2.6rem; }

/* ---- responsive ---- */
@media (max-width: 960px) {
  .db-nav-links { display: none; }
  .db-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .db-service-row { grid-template-columns: 56px 1fr; }
  .db-service-desc { grid-column: 2; }
  .db-stat-row { gap: 1.5rem 2rem; }
  .db-footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .db-case-meta { grid-template-columns: 1fr 1fr; }
}