/* Tutos vidéo : bloc « En vidéo » des pages module + page /tutos.
   Vignette servie par le site, lecteur youtube-nocookie inséré au clic (tutos.js). */

.tt-band { padding: 8px 0 40px; }
.tt-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 10px 24px; margin-bottom: 18px; }
.tt-head h2 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.15; letter-spacing: -.015em; margin: 8px 0 0; }
.tt-all { font-size: 14px; color: var(--text-muted); text-decoration: none; white-space: nowrap; }
.tt-all:hover { color: #fff; }

.tt-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.tt-grid.tt-solo { grid-template-columns: minmax(0, 1fr); }
.tt-solo .tt-card { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); align-items: center; }
@media (max-width: 860px) { .tt-solo .tt-card { grid-template-columns: minmax(0, 1fr); } }

.tt-card { background: var(--card, rgba(17, 32, 58, .66)); border: 1px solid var(--border, rgba(255,255,255,.1)); border-radius: 16px; overflow: hidden; }
.tt-media { position: relative; aspect-ratio: 16 / 9; background: #070f1e; }
.tt-media iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

.tt-play { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: pointer; display: block; }
.tt-play img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .35s ease, filter .35s ease; filter: saturate(.92) brightness(.86); }
.tt-play:hover img, .tt-play:focus-visible img { transform: scale(1.03); filter: none; }
.tt-play:focus-visible { outline: 2px solid var(--c, #4FC3F7); outline-offset: -2px; }
.tt-btn { position: absolute; left: 50%; top: 50%; width: 68px; height: 68px; margin: -34px 0 0 -34px; border-radius: 50%;
  background: rgba(10, 22, 40, .72); border: 2px solid rgba(255, 255, 255, .85); display: grid; place-items: center;
  backdrop-filter: blur(4px); transition: transform .25s ease, background .25s ease; }
.tt-btn svg { margin-left: 4px; }
.tt-play:hover .tt-btn, .tt-play:focus-visible .tt-btn { transform: scale(1.08); background: var(--e, #FF6B35); border-color: var(--e, #FF6B35); }
.tt-dur { position: absolute; right: 10px; bottom: 10px; font: 600 12.5px/1 Inter, sans-serif; color: #fff; background: rgba(0, 0, 0, .72);
  padding: 5px 7px; border-radius: 6px; letter-spacing: .02em; }

.tt-txt { padding: 16px 18px 18px; }
.tt-solo .tt-txt { padding: 22px 26px; }
.tt-txt h3 { font-size: 17px; line-height: 1.3; margin: 0 0 8px; }
.tt-solo .tt-txt h3 { font-size: 21px; }
.tt-txt p { color: var(--text-muted); font-size: 14.5px; line-height: 1.6; margin: 0 0 12px; }
.tt-meta { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--text-dim); }
.tt-meta a { color: var(--text-muted); text-decoration: none; }
.tt-meta a:hover { color: #fff; }
.tt-note { font-size: 12.5px; color: var(--text-dim); margin: 12px 0 0; }

/* Page /tutos */
.tt-group { margin-top: 44px; }
.tt-group:first-of-type { margin-top: 10px; }
.tt-group > h2 { font-size: clamp(22px, 2.6vw, 30px); margin: 8px 0 18px; }