/* Hub de démonstration : tout ce qu'il faut montrer, en gros boutons */
body.hub { background: #f4f6fb; }
.h-head { position: sticky; top: 0; z-index: 5; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 14px 18px; background: rgba(255,255,255,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.h-head .brand { font-weight: 800; font-size: 21px; letter-spacing: -.02em; } .h-head .brand span { color: var(--primary); }
.h-agency { color: var(--muted); font-size: 14px; font-weight: 600; }
.h-main { max-width: 860px; margin: 0 auto; padding: 18px 16px 48px; }
.h-main h2 { text-align: left; font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 26px 0 10px; }
.h-flash { background: #e5f6ed; color: var(--green); border-radius: 12px; padding: 10px 14px; font-weight: 600; }
.h-flash.err { background: #fdecea; color: #b42318; }
.h-hero { display: flex; align-items: center; gap: 14px; padding: 20px; border-radius: 20px; text-decoration: none; color: #fff;
  background: linear-gradient(130deg, #2449c4, #2f5be4 55%, #4f7bff); box-shadow: 0 14px 34px rgba(47,91,228,.35); }
.h-hero b { display: block; font-size: 21px; } .h-hero small { display: block; opacity: .9; font-size: 15px; margin-top: 2px; }
.h-hero .h-ico { font-size: 34px; } .h-go { margin-left: auto; font-size: 34px; opacity: .8; }
.h-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.h-btn { display: flex; flex-direction: column; gap: 2px; text-align: left; padding: 16px; border-radius: 16px; border: 1px solid var(--line);
  background: #fff; color: var(--ink); text-decoration: none; font: inherit; cursor: pointer; transition: .15s; min-height: 112px; }
.h-btn:hover, .h-btn:active { border-color: #b9c7f5; box-shadow: 0 8px 22px rgba(16,24,40,.08); transform: translateY(-1px); }
.h-btn .h-ico { font-size: 26px; margin-bottom: 4px; }
.h-btn b { font-size: 16px; line-height: 1.25; } .h-btn small { color: var(--muted); font-size: 13px; line-height: 1.35; }
.h-qr { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px; text-align: center; margin-top: 10px; }
.h-qr img { margin: 0 auto 10px; } .h-qr p { color: var(--muted); font-size: 14px; margin: 0 0 6px; }
.h-qr code { font-size: 12px; color: var(--muted); word-break: break-all; }
.h-reset { margin-top: 30px; text-align: center; } .h-reset small { display: block; color: var(--muted); font-size: 13px; margin-top: 8px; }
.h-qr[hidden] { display: none; }
@media (min-width: 720px) { .h-grid { grid-template-columns: repeat(4, 1fr); } }
.h-grid.h-three { grid-template-columns: 1fr; }
@media (min-width: 720px) { .h-grid.h-three { grid-template-columns: repeat(3, 1fr); } }