/* The Shelf section: copy, and a looping illustration of a drag paused on the shelf.
   The stage is a 560×380 canvas laid out in container units (1cqw = 5.6 px of the canvas),
   so the whole animation scales with the column. */

.shelf-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
}
.shelf-feature > * { width: 100%; min-width: 0; margin: 0; }
.shelf-feature h2 { font-size: clamp(34px, 4.6vw, 56px); }
.shelf-feature .lead { margin-top: 20px; color: var(--text-2); font-size: 18px; }
.shelf-feature ul { margin: 28px 0 0; padding: 0; list-style: none; display: grid; gap: 14px; }
.shelf-feature li { position: relative; padding-left: 28px; color: var(--text-2); }
.shelf-feature li b { color: var(--text); font-weight: 600; }
.shelf-feature li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 12px;
  height: 2px;
  border-radius: 1px;
  background: var(--brand);
}
.shelf-stage.reveal { --delay: 0.1s; }

/* Hero announcement. */
.news-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  padding: 6px 14px 6px 6px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-2);
  font-size: 14px;
  transition: border-color 0.2s, color 0.2s;
}
.news-pill b {
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--brand);
  color: #241503;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
}
.news-pill:hover { color: var(--text); border-color: rgba(245, 165, 36, 0.5); }

/* ── Stage ───────────────────────────────────────────── */

.shelf-stage {
  container-type: inline-size;
  position: relative;
  aspect-ratio: 560 / 380;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background:
    radial-gradient(ellipse 70% 60% at 80% 110%, rgba(247, 125, 16, 0.35), transparent 60%),
    linear-gradient(160deg, #19120b, #0b0907 60%, #140a04);
  box-shadow: 0 40px 100px -40px rgba(247, 125, 16, 0.4), 0 20px 50px -20px rgba(0, 0, 0, 0.8);
}

.fw {
  position: absolute;
  top: 10.7cqw;
  width: 39.3cqw;
  height: 42.9cqw;
  border-radius: 2cqw;
  background: rgba(30, 30, 33, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 3cqw 6cqw rgba(0, 0, 0, 0.45);
}
.fw-left { left: 5.36cqw; }
.fw-right { left: 55.36cqw; animation: sf-target 8s infinite; }
.fw-bar {
  display: flex;
  align-items: center;
  gap: 2.4cqw;
  height: 6.4cqw;
  padding: 0 2.2cqw;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: rgba(255, 255, 255, 0.6);
  font-size: 2.2cqw;
}
.fw-bar .dots { display: flex; gap: 0.9cqw; }
.fw-bar .dots i { width: 1.5cqw; height: 1.5cqw; border-radius: 50%; background: #ff5f57; }
.fw-bar .dots i:nth-child(2) { background: #febc2e; }
.fw-bar .dots i:nth-child(3) { background: #28c840; }

/* A PDF icon drawn in CSS. */
.doc {
  position: relative;
  display: block;
  width: 7.2cqw;
  height: 9cqw;
  border-radius: 0.8cqw;
  background:
    linear-gradient(#e5484d, #e5484d) 50% 72% / 70% 18% no-repeat,
    linear-gradient(#d9d9de, #d9d9de) 22% 26% / 50% 5% no-repeat,
    linear-gradient(#d9d9de, #d9d9de) 22% 40% / 56% 5% no-repeat,
    #fafafa;
  box-shadow: 0 0.6cqw 1.4cqw rgba(0, 0, 0, 0.35);
}

.sf-file {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1cqw;
  width: 14cqw;
  margin-left: -7cqw;
  margin-top: -5cqw;
  color: rgba(255, 255, 255, 0.85);
  font-size: 2.1cqw;
}
.file-left { left: 19.64cqw; top: 30.36cqw; animation: sf-left 8s infinite; }
.file-right { left: 75cqw; top: 33.93cqw; opacity: 0; animation: sf-right 8s infinite; }

.mini-shelf {
  position: absolute;
  left: 29.29cqw;
  top: 33.39cqw;
  width: 23.57cqw;
  height: 26.79cqw;
  border-radius: 2.2cqw;
  background: rgba(32, 32, 36, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 3cqw 7cqw rgba(0, 0, 0, 0.55);
  opacity: 0;
  transform: scale(0.85);
  animation: sf-shelf 8s infinite;
}
.ms-head {
  display: flex;
  justify-content: space-between;
  padding: 1.6cqw 2.2cqw 0;
  color: rgba(255, 255, 255, 0.5);
  font-size: 1.9cqw;
}
.ms-head b { font-weight: 600; }
.ms-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1cqw;
  margin-top: 2.6cqw;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.9cqw;
  opacity: 0;
  animation: sf-item 8s infinite;
}

.shake-hint {
  position: absolute;
  left: 41cqw;
  top: 51cqw;
  padding: 0.6cqw 1.6cqw;
  border-radius: 999px;
  background: var(--brand);
  color: #241503;
  font-size: 1.9cqw;
  font-weight: 600;
  translate: -50% 0;
  opacity: 0;
  animation: sf-hint 8s infinite;
}

.sf-ghost {
  position: absolute;
  left: 0;
  top: 0;
  margin: -3cqw 0 0 -2.4cqw;
  opacity: 0;
  animation: sf-cursor 8s infinite, sf-ghost 8s infinite;
}
.sf-ghost .doc { opacity: 0.85; transform: rotate(-4deg); }

.sf-cursor {
  position: absolute;
  left: 0;
  top: 0;
  width: 4.2cqw;
  height: 4.2cqw;
  filter: drop-shadow(0 0.4cqw 0.8cqw rgba(0, 0, 0, 0.5));
  animation: sf-cursor 8s infinite;
}

/* The path: grab the file, drag, shake, drop on the shelf, wander off, come back, drag the
   stack into the other folder, drop, move away. */
@keyframes sf-cursor {
  0%, 5% { transform: translate(19.64cqw, 30.36cqw); }
  14% { transform: translate(41.07cqw, 42.86cqw); }
  16% { transform: translate(36.61cqw, 42.86cqw); }
  18% { transform: translate(45.54cqw, 42.86cqw); }
  20% { transform: translate(36.61cqw, 42.86cqw); }
  22% { transform: translate(45.54cqw, 42.86cqw); }
  24% { transform: translate(41.07cqw, 42.86cqw); }
  31% { transform: translate(41.07cqw, 44.64cqw); }
  40% { transform: translate(80.36cqw, 21.43cqw); }
  46% { transform: translate(83.93cqw, 26.79cqw); }
  50% { transform: translate(80.36cqw, 21.43cqw); }
  57%, 60% { transform: translate(41.07cqw, 44.64cqw); }
  70%, 73% { transform: translate(75cqw, 33.93cqw); }
  85% { transform: translate(88cqw, 52cqw); }
  100% { transform: translate(19.64cqw, 30.36cqw); }
}
@keyframes sf-ghost {
  0%, 5% { opacity: 0; }
  6%, 30% { opacity: 1; }
  31%, 59% { opacity: 0; }
  60%, 72% { opacity: 1; }
  73%, 100% { opacity: 0; }
}
@keyframes sf-hint {
  0%, 13% { opacity: 0; }
  15%, 23% { opacity: 1; }
  26%, 100% { opacity: 0; }
}
@keyframes sf-shelf {
  0%, 24% { opacity: 0; transform: scale(0.85); }
  27%, 72% { opacity: 1; transform: scale(1); }
  76%, 100% { opacity: 0; transform: scale(0.9); }
}
@keyframes sf-item {
  0%, 30% { opacity: 0; transform: scale(0.6); }
  33%, 59% { opacity: 1; transform: scale(1); }
  60%, 100% { opacity: 0; transform: scale(1); }
}
@keyframes sf-left {
  0%, 72% { opacity: 1; }
  73%, 96% { opacity: 0; }
  99%, 100% { opacity: 1; }
}
@keyframes sf-right {
  0%, 72% { opacity: 0; transform: scale(0.8); }
  75%, 95% { opacity: 1; transform: scale(1); }
  98%, 100% { opacity: 0; transform: scale(1); }
}
@keyframes sf-target {
  0%, 63% { border-color: rgba(255, 255, 255, 0.1); }
  66%, 73% { border-color: rgba(245, 165, 36, 0.8); }
  77%, 100% { border-color: rgba(255, 255, 255, 0.1); }
}

/* Reduce Motion: one still frame, the file resting on the shelf. */
@media (prefers-reduced-motion: reduce) {
  .shelf-stage *, .shelf-stage { animation: none !important; }
  .mini-shelf, .ms-item { opacity: 1; transform: none; }
  .sf-cursor { transform: translate(41.07cqw, 44.64cqw); }
}

@media (max-width: 980px) {
  .shelf-feature { grid-template-columns: minmax(0, 1fr); }
}