/* DoorWin hub differentiation system. Safe, content-first styles for the six service hubs. */
.hub-diff {
  --hub-accent: var(--blue, #2563eb);
  --hub-accent-dark: var(--blue-dark, #1d4ed8);
  --hub-soft: color-mix(in srgb, var(--hub-accent) 10%, #fff);
  --hub-ink: #0f172a;
  --hub-muted: #475569;
  --hub-line: rgba(15, 23, 42, 0.09);
  padding: 8px 0 26px;
}
.hub-diff[data-hub="emergency"] { --hub-accent:#ef4444; --hub-accent-dark:#b91c1c; --hub-panel:#111827; }
.hub-diff[data-hub="doors"] { --hub-accent:#b45309; --hub-accent-dark:#92400e; --hub-panel:#1c1917; }
.hub-diff[data-hub="windows"] { --hub-accent:#16a34a; --hub-accent-dark:#15803d; --hub-panel:#f7f3ea; }
.hub-diff[data-hub="glass"] { --hub-accent:#0f4c81; --hub-accent-dark:#0b3558; --hub-panel:#0f172a; }
.hub-diff[data-hub="hardware"] { --hub-accent:#0f766e; --hub-accent-dark:#115e59; --hub-panel:#111827; }
.hub-diff[data-hub="maintenance"] { --hub-accent:#2563eb; --hub-accent-dark:#1e40af; --hub-panel:#f8fafc; }
.hub-diff__stack { display:grid; gap:22px; }
.hub-diff__panel {
  background: rgba(255,255,255,0.9);
  border:1px solid var(--hub-line);
  border-radius:28px;
  box-shadow: 0 16px 44px rgba(15,23,42,0.07);
  padding:28px;
  overflow:hidden;
  position:relative;
}
.hub-diff__panel--dark {
  background: linear-gradient(135deg, color-mix(in srgb, var(--hub-panel, #0f172a) 92%, #000), color-mix(in srgb, var(--hub-panel, #0f172a) 74%, var(--hub-accent)));
  color:#fff;
  border-color: rgba(255,255,255,0.12);
}
.hub-diff__panel--soft { background: linear-gradient(135deg, var(--hub-soft), rgba(255,255,255,0.92)); }
.hub-diff__eyebrow { display:inline-flex; align-items:center; gap:8px; margin-bottom:10px; color:var(--hub-accent-dark); text-transform:uppercase; letter-spacing:.08em; font-size:.78rem; font-weight:650; }
.hub-diff__panel--dark .hub-diff__eyebrow { color: color-mix(in srgb, var(--hub-accent) 60%, #fff); }
.hub-diff h2, .hub-diff h3 { margin:0; letter-spacing:-.03em; color:inherit; }
.hub-diff h2 { font-size: clamp(1.5rem, 2.7vw, 2.15rem); line-height:1.16; font-weight:600; }
.hub-diff h3 { font-size:1.05rem; line-height:1.25; }
.hub-diff p { margin:10px 0 0; color:var(--hub-muted); line-height:1.65; }
.hub-diff__panel--dark p { color:rgba(255,255,255,.8); }
.hub-diff__actions { display:flex; flex-wrap:wrap; gap:12px; margin-top:18px; }
.hub-diff__btn { display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:0 16px; border-radius:12px; border:1px solid transparent; text-decoration:none; font-weight:650; color:#fff; background:var(--hub-accent); }
.hub-diff__btn:hover { background:var(--hub-accent-dark); transform:translateY(-1px); }
.hub-diff__btn--ghost { color:var(--hub-ink); background:rgba(255,255,255,.86); border-color:var(--hub-line); }
.hub-diff__panel--dark .hub-diff__btn--ghost { color:#fff; background:rgba(255,255,255,.1); border-color:rgba(255,255,255,.18); }
.hub-diff__grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; margin-top:20px; }
.hub-diff__grid--2 { grid-template-columns:repeat(2,minmax(0,1fr)); }
.hub-diff__grid--4 { grid-template-columns:repeat(4,minmax(0,1fr)); }
.hub-diff__card { display:block; min-height:100%; padding:18px; border-radius:18px; border:1px solid var(--hub-line); background:rgba(255,255,255,.78); text-decoration:none; color:inherit; }
.hub-diff__card:hover { border-color: color-mix(in srgb, var(--hub-accent) 36%, transparent); box-shadow:0 12px 30px rgba(15,23,42,.08); transform:translateY(-1px); }
.hub-diff__card p { font-size:.94rem; }
.hub-diff__tag { display:inline-flex; align-items:center; margin-bottom:9px; padding:5px 9px; border-radius:999px; background:var(--hub-soft); color:var(--hub-accent-dark); font-size:.76rem; font-weight:650; letter-spacing:.03em; text-transform:uppercase; }
.hub-diff__metric-row { display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }
.hub-diff__metric { padding:11px 13px; border-radius:14px; background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.16); color:#fff; font-weight:650; }
.hub-diff__split { display:grid; grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr); gap:22px; align-items:start; }
.hub-diff__table-wrap { overflow:auto; margin-top:18px; border:1px solid var(--hub-line); border-radius:18px; background:#fff; }
.hub-diff__table { width:100%; border-collapse:collapse; min-width:680px; }
.hub-diff__table th, .hub-diff__table td { text-align:left; padding:14px 16px; border-bottom:1px solid var(--hub-line); vertical-align:top; }
.hub-diff__table th { font-size:.78rem; text-transform:uppercase; letter-spacing:.07em; color:var(--hub-accent-dark); background:var(--hub-soft); }
.hub-diff__table tr:last-child td { border-bottom:0; }
.hub-diff__list { margin:14px 0 0; padding:0; display:grid; gap:9px; list-style:none; }
.hub-diff__list li { position:relative; padding-left:22px; color:var(--hub-muted); line-height:1.55; }
.hub-diff__list li::before { content:""; width:8px; height:8px; border-radius:999px; background:var(--hub-accent); position:absolute; left:0; top:.62em; }
.hub-diff__panel--dark .hub-diff__list li { color:rgba(255,255,255,.82); }
.hub-diff__route { display:grid; gap:10px; margin-top:18px; }
.hub-diff__route a { display:flex; justify-content:space-between; gap:16px; align-items:center; padding:14px 16px; border-radius:14px; text-decoration:none; color:inherit; background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.16); }
.hub-diff__route strong { display:block; color:#fff; }
.hub-diff__route span { color:rgba(255,255,255,.76); font-size:.92rem; }
.hub-diff__route em { font-style:normal; color:color-mix(in srgb, var(--hub-accent) 55%, #fff); font-weight:650; }
.hub-diff__brands { display:flex; flex-wrap:wrap; gap:9px; margin-top:16px; }
.hub-diff__brand { display:inline-flex; align-items:center; min-height:34px; padding:0 11px; border-radius:999px; background:#fff; border:1px solid var(--hub-line); font-weight:600; color:var(--hub-ink); font-size:.9rem; }
.hub-diff__note { margin-top:16px; padding:14px 16px; border-left:4px solid var(--hub-accent); background:var(--hub-soft); border-radius:14px; color:var(--hub-muted); line-height:1.6; }
.hub-diff__timeline { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; margin-top:18px; counter-reset:hubstep; }
.hub-diff__step { counter-increment:hubstep; padding:18px; border-radius:18px; border:1px solid var(--hub-line); background:#fff; }
.hub-diff__step::before { content:counter(hubstep, decimal-leading-zero); display:inline-flex; align-items:center; justify-content:center; width:34px; height:34px; border-radius:999px; background:var(--hub-accent); color:#fff; font-weight:650; margin-bottom:12px; }
.hub-diff__step p { font-size:.94rem; }
@media (max-width: 980px) {
  .hub-diff__split, .hub-diff__grid, .hub-diff__grid--2, .hub-diff__grid--4, .hub-diff__timeline { grid-template-columns:1fr; }
  .hub-diff__panel { padding:22px; border-radius:22px; }
  .hub-diff__table { min-width:560px; }
}
@media (max-width: 640px) {
  .hub-diff { padding-top:0; }
  .hub-diff__actions { flex-direction:column; }
  .hub-diff__btn { width:100%; }
  .hub-diff__metric { width:100%; }
}

/* v1.4 client path cleanup: keep hub explanations useful but compact. */
.hub-diff { padding: 4px 0 18px; }
.hub-diff__stack { gap: 16px; }
.hub-diff__panel { padding: 22px; border-radius: 24px; }
.hub-diff h2 { font-size: clamp(1.35rem, 2.25vw, 1.85rem); line-height: 1.16; }
.hub-diff p { line-height: 1.55; }
.hub-diff__grid { gap: 12px; margin-top: 16px; }
.hub-diff__card { padding: 15px; border-radius: 16px; }
.hub-diff__route { gap: 8px; margin-top: 14px; }
.hub-diff__route a { padding: 12px 14px; }
.hub-diff__actions { margin-top: 14px; }
@media (max-width: 980px) {
  .hub-diff__panel { padding: 18px; border-radius: 20px; }
}