.landing-reveal{transition:opacity .6s var(--ease-out), transform .6s var(--ease-out), transition-delay 0s}.landing-reveal-hidden{opacity:0;transform:translateY(18px)}.landing-demo-word{color:var(--ink);font-weight:500;animation:2.4s ease-in-out infinite landing-word-pulse;position:relative}.landing-demo-word:after{content:"";background:var(--accent);border-radius:999px;height:1.5px;animation:2.4s ease-in-out infinite landing-word-underline;position:absolute;bottom:-1px;left:0;right:0}.landing-demo-sun{transform-origin:50%;animation:3.2s ease-in-out infinite landing-pulse}.landing-demo-figure{animation:landing-appear 1.6s var(--ease-out) both}.landing-demo-progress{animation:9s ease-in-out infinite landing-progress}@keyframes landing-word-pulse{0%,to{color:var(--ink)}50%{color:var(--accent)}}@keyframes landing-word-underline{0%,to{transform-origin:0;transform:scaleX(0)}50%{transform-origin:0;transform:scaleX(1)}}@keyframes landing-appear{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes landing-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.8)}}@keyframes landing-progress{0%{opacity:0;width:22%}8%{opacity:1}82%{opacity:1;width:64%}94%,to{opacity:0;width:66%}}.landing-phone{width:100%;max-width:320px;margin-left:auto;margin-right:auto}.landing-phone-bezel{background:#1c1915;border-radius:2.35rem;padding:22px 10px 16px;position:relative;box-shadow:inset 0 1px #fffdf81f,0 28px 60px #1c191538}.landing-phone-notch{z-index:1;background:#0b0a09;border-radius:999px;width:64px;height:10px;position:absolute;top:8px;left:50%;transform:translate(-50%)}.landing-phone-screen{aspect-ratio:.5643;background:var(--paper);border-radius:1.85rem;position:relative;overflow:hidden}.landing-phone-screen video{object-fit:contain;object-position:center;background:var(--paper);width:100%;height:100%;display:block}.landing-phone-tap{z-index:1;cursor:pointer;background:0 0;border:0;place-items:center;display:grid;position:absolute;inset:0}.landing-phone-tap:focus-visible{outline:2px solid var(--accent);outline-offset:-4px;border-radius:1.85rem}.landing-phone-pill{background:var(--accent);color:#fff;border-radius:999px;align-items:center;gap:.45rem;padding:.7rem 1.15rem;font-size:.95rem;font-weight:600;display:inline-flex;box-shadow:0 10px 24px #0f766e59}.landing-phone-tap:hover .landing-phone-pill,.landing-phone-tap:focus-visible .landing-phone-pill{background:var(--accent-deep)}.landing-phone-hint{color:#fffdf8;cursor:pointer;background:#1c1915b8;border:0;border-radius:999px;align-items:center;gap:.35rem;padding:.4rem .7rem;font-size:.75rem;font-weight:600;display:inline-flex;position:absolute;bottom:12px;left:12px}.landing-phone-pause{z-index:2;color:#fffdf8;cursor:pointer;background:#1c1915b8;border:0;border-radius:999px;place-items:center;width:36px;height:36px;display:grid;position:absolute;bottom:12px;right:10px}.landing-phone-pause:hover,.landing-phone-pause:focus-visible{background:#0f766ef2}.landing-phone-pause:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.landing-upload{width:100%;max-width:25rem;margin-inline:auto}.landing-upload-pick{flex-wrap:wrap;justify-content:center;gap:.5rem;display:flex}.landing-upload-pick-btn{border:1px solid var(--line);background:var(--chrome);color:var(--ink);border-radius:999px;align-items:center;gap:.4rem;padding:.45rem .9rem;font-size:.8rem;font-weight:600;display:inline-flex}.landing-upload-card{border:1px solid var(--line);background:var(--chrome);border-radius:1.25rem;margin-top:1rem;overflow:hidden;box-shadow:0 18px 44px #1c19151a}.landing-upload-page{border-bottom:1px solid var(--line);background:var(--paper);flex-direction:column;gap:.6rem;padding:1.15rem 1.25rem 1.4rem;display:flex;position:relative;overflow:hidden}.landing-upload-page-head{background:#0f766e59;border-radius:999px;width:52%;height:.7rem}.landing-upload-line{background:#1c19151a;border-radius:999px;height:.45rem}.landing-upload-row{align-items:center;gap:.5rem;display:flex}.landing-upload-q{color:var(--muted);font-size:.72rem;font-weight:700;line-height:1}.landing-upload-formula{color:var(--accent);font-family:var(--font-board-hand);margin-left:1.1rem;font-size:.95rem}.landing-upload-sweep{background:linear-gradient(#0f766e00,#0f766e29,#0f766e00);height:3.25rem;animation:4s ease-in-out infinite landing-scan;position:absolute;left:0;right:0}.landing-upload-meta{justify-content:space-between;align-items:center;gap:1rem;padding:.85rem 1.1rem;display:flex}.landing-upload-name{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:.85rem;font-weight:600;overflow:hidden}.landing-upload-status{color:var(--muted);font-size:.75rem}.landing-upload-ready{color:var(--accent);background:#0f766e1f;border-radius:999px;flex-shrink:0;align-items:center;gap:.3rem;padding:.3rem .65rem;font-size:.72rem;font-weight:700;display:inline-flex}.landing-upload-next{color:var(--muted);justify-content:center;align-items:center;gap:.45rem;margin-top:1rem;font-size:.9rem;font-weight:600;display:flex}@keyframes landing-scan{0%{opacity:0;top:-3.25rem}15%{opacity:1}80%{opacity:1;top:100%}to{opacity:0;top:100%}}.landing-accordion-panel{transition:grid-template-rows .35s var(--ease-out);grid-template-rows:0fr;display:grid}.landing-accordion-panel.open{grid-template-rows:1fr}.landing-accordion-inner{min-height:0;overflow:hidden}.landing-accordion-chevron{transition:transform .3s var(--ease-out)}@media (prefers-reduced-motion:reduce){.landing-reveal,.landing-reveal-hidden{opacity:1!important;transition:none!important;transform:none!important}.landing-demo-word,.landing-demo-word:after,.landing-demo-sun,.landing-demo-figure,.landing-demo-progress,.landing-upload-sweep{animation:none!important}.landing-accordion-panel{transition:none!important}}
