/* ==========================================================================
   Reyuko — features.html only
   Layered on assets/style.css; reuses its tokens. Kept separate so the shared
   stylesheet's 4-hour cache is never in the way (bump ?v= when editing).
   ========================================================================== */

/* ── Jump nav ────────────────────────────────────────────────────────────── */
.jump-nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--stroke);
}
.jump-nav .wrap { display: flex; gap: 4px; overflow-x: auto; padding-top: 10px; padding-bottom: 10px; }
.jump-nav a {
  flex: none; font-size: 13px; font-weight: 600; color: var(--text-secondary);
  padding: 7px 13px; border-radius: 999px; white-space: nowrap;
  border: 1px solid transparent;
}
.jump-nav a:hover { background: #EDF4FF; color: var(--accent-dark); text-decoration: none; }

/* ── Module block: screenshot beside a feature list ──────────────────────── */
.mod-block {
  display: grid; grid-template-columns: 1.05fr 0.95fr;
  gap: 44px; align-items: start; margin-top: 34px;
}
.mod-block + .mod-block { margin-top: 56px; padding-top: 56px; border-top: 1px solid var(--stroke); }
.mod-block.rev .mod-shots { order: -1; }
.mod-shots { display: grid; gap: 14px; position: sticky; top: 74px; }
.mod-shot {
  border-radius: 12px; border: 1px solid var(--stroke); overflow: hidden;
  background: #fff; box-shadow: 0 12px 36px rgba(14, 63, 163, 0.11);
}
.mod-shot img { display: block; width: 100%; height: auto; }
.mod-shot figcaption {
  font-size: 12.5px; color: var(--text-secondary);
  padding: 9px 13px; border-top: 1px solid var(--stroke); background: #F7F9FD;
}

.mod-copy h3 { margin: 0 0 10px; font-size: 24px; line-height: 1.25; letter-spacing: -0.01em; }
.mod-copy > p { margin: 0 0 18px; font-size: 15.5px; line-height: 1.68; color: var(--text-secondary); }
.mod-copy > p b { color: var(--text-primary); font-weight: 650; }

.feat-list { list-style: none; padding: 0; margin: 0; }
.feat-list li {
  position: relative; padding: 0 0 0 26px; margin-bottom: 11px;
  font-size: 14.5px; line-height: 1.6; color: var(--text-secondary);
}
.feat-list li::before {
  content: ""; position: absolute; left: 4px; top: 7px;
  width: 7px; height: 7px; border-radius: 2px;
  background: var(--accent); opacity: 0.55;
}
.feat-list li b { color: var(--text-primary); font-weight: 650; }

.chain {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  margin: 0 0 18px; font-size: 13px;
}
.chain span {
  background: #EDF4FF; color: var(--accent-dark); border: 1px solid rgba(42,111,219,0.18);
  padding: 4px 11px; border-radius: 999px; font-weight: 600;
}
.chain i { color: var(--text-secondary); font-style: normal; }

/* ── Complete index ──────────────────────────────────────────────────────── */
.index-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px 30px; margin-top: 30px;
}
.index-col h4 {
  margin: 0 0 10px; font-size: 12px; font-weight: 800; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--accent);
  padding-bottom: 7px; border-bottom: 1px solid var(--stroke);
}
.index-col ul { list-style: none; padding: 0; margin: 0; }
.index-col li {
  font-size: 13.5px; line-height: 1.5; color: var(--text-secondary);
  padding: 4px 0 4px 15px; position: relative;
}
.index-col li::before {
  content: "·"; position: absolute; left: 3px; color: var(--text-tertiary); font-weight: 700;
}

/* ── Plan badges on a feature ────────────────────────────────────────────── */
.tag-paid {
  display: inline-block; font-size: 10.5px; font-weight: 800; letter-spacing: 0.04em;
  background: rgba(255, 193, 7, 0.22); color: #7A5B00;
  border: 1px solid rgba(255, 193, 7, 0.5);
  padding: 1px 7px; border-radius: 999px; margin-left: 6px;
  text-transform: uppercase; vertical-align: 1px;
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .mod-block { grid-template-columns: 1fr; gap: 26px; }
  .mod-block.rev .mod-shots { order: 0; }
  .mod-shots { position: static; }
}