/* First-visit introduction on the editor page (index.html #intro, js/intro.js). */
html.intro-on, html.intro-on body { overflow: hidden; }
.intro { position: fixed; inset: 0; z-index: 4000; overflow-y: auto; -webkit-overflow-scrolling: touch; color: #e6e9ee;
  background: #121418 radial-gradient(60% 50% at 80% 0%, rgba(240,168,58,.16), transparent 70%) no-repeat;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
.intro a { color: #ffc56b; text-decoration: none; }
.intro a:hover { text-decoration: underline; }
.intro-bar { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 18px; height: 60px; padding: 0 max(20px, calc((100% - 1120px) / 2));
  background: rgba(18,20,24,.9); backdrop-filter: blur(8px); border-bottom: 1px solid #2c313a; }
.intro-logo { display: inline-flex; align-items: center; gap: 9px; font-weight: 750; font-size: 18px; }
.intro-bar nav { display: flex; gap: 4px; flex: 1; }
.intro-bar nav a { color: #aab1bc; padding: 6px 10px; border-radius: 6px; }
.intro-bar nav a:hover { color: #e6e9ee; background: #1b1e24; text-decoration: none; }
.intro-btn { font: inherit; font-weight: 650; color: #1a1306; background: #f0a83a; border: 0; border-radius: 8px; padding: 9px 16px; cursor: pointer; }
.intro-btn:hover { background: #ffbf5e; }
.intro-btn:focus-visible { outline: 2px solid #fff; outline-offset: 3px; }
.intro-btn.big { font-size: 18px; padding: 14px 30px; border-radius: 999px; }
.intro-btn.small { white-space: nowrap; }
.intro-main { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.intro-hero { text-align: center; padding: 56px 0 20px; }
.intro h1 { font-size: clamp(34px, 6vw, 60px); line-height: 1.1; letter-spacing: -.6px; margin: 0 0 14px; }
.intro-lead { font-size: clamp(17px, 2.2vw, 20px); color: #aab1bc; max-width: 640px; margin: 0 auto 26px; }
.intro img { max-width: 100%; height: auto; display: block; border-radius: 12px; border: 1px solid #2c313a; }
.intro-shot { margin: 40px auto 0; box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.intro-pair { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: center; padding: 56px 0; border-top: 1px solid #22262d; }
.intro-pair.flip > div { order: 2; }
.intro h2 { font-size: 22px; line-height: 1.3; margin: 0 0 6px; }
.intro-pair p { color: #c3c9d2; margin: 0 0 22px; }
.intro-tools { text-align: center; padding: 48px 0 64px; border-top: 1px solid #22262d; }
.intro-tools ul { list-style: none; padding: 0; margin: 18px auto 30px; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; max-width: 900px; }
.intro-tools li a { display: block; padding: 12px 14px; background: #1b1e24; border: 1px solid #2c313a; border-radius: 10px; color: #e6e9ee; }
.intro-tools li a:hover { border-color: #f0a83a; text-decoration: none; }
.intro-foot { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; padding: 22px 20px 40px; border-top: 1px solid #2c313a; font-size: 14px; color: #7a828f; }
.intro-foot a { color: #aab1bc; }
@media (max-width: 760px) {
  .intro-bar nav { display: none; }
  .intro-bar .intro-logo { flex: 1; }
  .intro-hero { padding-top: 36px; }
  .intro-pair { grid-template-columns: 1fr; gap: 24px; padding: 40px 0; }
  .intro-pair.flip > div { order: 0; }
}
.intro-more { margin: -14px 0 26px; color: #7a828f; }