/* dua9.online — shared nav/footer injected into all tool pages */
:root {
  --d9-bg-0: #060710;
  --d9-bg-1: #0A0B16;
  --d9-bg-2: #11121E;
  --d9-bg-3: #181A28;
  --d9-line: rgba(255,255,255,0.07);
  --d9-line-2: rgba(255,255,255,0.12);
  --d9-ink: #ECEDF3;
  --d9-ink-2: #B6B8C8;
  --d9-ink-3: #8589A0;
  --d9-accent: #FF2D63;
  --d9-accent-2: #FF6B9A;
  --d9-accent-glow: rgba(255,45,99,0.45);
  --d9-cyan: #6EE7F9;
}

/* ── SITE HEADER ── */
.d9-header {
  position: sticky !important; top: 0 !important; z-index: 99999 !important;
  backdrop-filter: saturate(160%) blur(14px) !important;
  -webkit-backdrop-filter: saturate(160%) blur(14px) !important;
  background: rgba(6,7,16,0.88) !important;
  border-bottom: 1px solid rgba(255,255,255,0.08) !important;
  font-family: 'Geist', 'Inter', ui-sans-serif, system-ui, sans-serif !important;
  display: block !important;
}
.d9-header-inner {
  max-width: 1280px !important; margin: 0 auto !important; padding: 0 24px !important;
  display: flex !important; align-items: center !important; justify-content: space-between !important;
  height: 60px !important; gap: 16px !important;
}
.d9-brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 17px; letter-spacing: -0.02em;
  color: var(--d9-ink); text-decoration: none;
  flex-shrink: 0;
}
.d9-brand-mark {
  width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--d9-accent), var(--d9-accent-2));
  color: white; display: grid; place-items: center;
  font-weight: 700; font-size: 15px; letter-spacing: -0.04em;
  box-shadow: 0 6px 18px -4px var(--d9-accent-glow);
}
.d9-nav { display: flex; align-items: center; gap: 2px; }
.d9-nav a {
  padding: 7px 13px; border-radius: 999px;
  font-size: 13.5px; color: var(--d9-ink-2); font-weight: 500;
  transition: background .15s, color .15s; text-decoration: none;
  white-space: nowrap;
}
.d9-nav a:hover { background: var(--d9-bg-3); color: var(--d9-ink); }
.d9-nav a.d9-cta {
  background: linear-gradient(135deg, var(--d9-accent), var(--d9-accent-2));
  color: white; padding: 8px 16px; margin-left: 6px;
  box-shadow: 0 4px 16px -4px var(--d9-accent-glow);
}
.d9-nav a.d9-cta:hover { filter: brightness(1.1); }
.d9-breadcrumb {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; color: var(--d9-ink-3); letter-spacing: 0.04em;
  flex: 1; text-align: center;
}
.d9-breadcrumb span { color: var(--d9-accent-2); }
@media (max-width: 680px) {
  .d9-nav .d9-nav-links { display: none; }
  .d9-breadcrumb { display: none; }
  .d9-header-inner { padding: 0 16px; }
}

/* ── SITE FOOTER ── */
.d9-footer {
  border-top: 1px solid var(--d9-line);
  background: linear-gradient(180deg, transparent, rgba(255,45,99,0.03));
  font-family: 'Geist', 'Inter', ui-sans-serif, system-ui, sans-serif;
  margin-top: 60px;
}
.d9-footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 64px 28px 32px;
}
.d9-footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--d9-line);
}
.d9-footer-brand-col {}
.d9-footer-brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; letter-spacing: -0.02em; color: var(--d9-ink); text-decoration: none; }
.d9-footer-blurb { margin-top: 14px; color: var(--d9-ink-3); font-size: 14px; max-width: 34ch; line-height: 1.6; }
.d9-footer-col h4 {
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11px; font-weight: 500; text-transform: uppercase;
  color: var(--d9-ink-3); letter-spacing: 0.12em; margin: 0 0 18px;
}
.d9-footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.d9-footer-col a { color: var(--d9-ink-2); font-size: 14px; text-decoration: none; transition: color .15s; }
.d9-footer-col a:hover { color: var(--d9-accent-2); }
.d9-footer-bot {
  margin-top: 24px;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: 11.5px; color: var(--d9-ink-3);
}
.d9-footer-links { display: flex; gap: 18px; }
.d9-footer-links a { color: var(--d9-ink-3); text-decoration: none; transition: color .15s; }
.d9-footer-links a:hover { color: var(--d9-accent-2); }
@media (max-width: 900px) {
  .d9-footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .d9-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .d9-footer-inner { padding: 40px 16px 24px; }
}

/* ── TOOL PAGE BODY PADDING (so content clears sticky header) ── */
.d9-tool-body {
  padding-top: 0;
}

/* ── RESPONSIVE NAV ─────────────────────────────────────────────── */
@media (max-width: 860px) {
  .d9-header-inner,
  .d9-header > div {
    padding: 0 16px !important;
  }
}
@media (max-width: 640px) {
  /* On mobile hide "How it works" and "Contact" from nav */
  .d9-header nav a:nth-child(2),
  .d9-header nav a:nth-child(4) {
    display: none !important;
  }
  /* Tighten breadcrumb */
  .d9-header span[style*="JetBrains"] {
    display: none !important;
  }
}
@media (max-width: 480px) {
  .d9-header nav a:not([style*="gradient"]) {
    display: none !important;
  }
}

/* ── FOOTER RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 860px) {
  .d9-footer-grid {
    grid-template-columns: 1fr 1fr !important;
    gap: 28px !important;
  }
  .d9-footer-inner { padding: 40px 20px 24px !important; }
}
@media (max-width: 520px) {
  .d9-footer-grid { grid-template-columns: 1fr !important; }
}