:root{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;color:#1d1d1f;background:#f5f5f7;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}button{font:inherit;cursor:pointer}figure{margin:0}.wrap{width:min(100% - 48px,1100px);margin-inline:auto}.wrap-wide{width:min(100% - 56px,1320px);margin-inline:auto}.skip-link{position:absolute;left:12px;top:-70px;z-index:100;background:#fff;padding:12px 18px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:30;background:rgba(250,250,252,.87);backdrop-filter:blur(22px);border-bottom:1px solid #e6e6ea}.nav-shell{height:68px;width:min(100% - 48px,1320px);margin:auto;display:flex;align-items:center;gap:32px}.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap}.brand img{height:39px;width:39px;object-fit:contain}.brand 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figcaption{margin-top:14px}.chapter-screens{background:#e9edf5;padding-bottom:120px}.screen-story{display:grid;gap:35px}.screen-item{display:grid;grid-template-columns:380px minmax(0,1fr);align-items:center;gap:40px;background:#fff;border-radius:22px;padding:46px;box-shadow:0 12px 40px #68769014}.screen-item>div span{font-size:12px;color:#6373b5;font-weight:700;letter-spacing:.1em}.screen-item h3{font-size:clamp(28px,2.7vw,36px);white-space:nowrap;line-height:1.25;letter-spacing:-.05em;margin:16px 0 16px}.screen-item p{color:#757984;font-size:16px;line-height:1.7;margin:0}.screen-item img{width:100%;border-radius:9px;border:1px solid #343b4b;box-shadow:0 18px 40px #1a2b4c27}.screen-note{color:#7d8491;font-size:11px;margin-top:20px}.download-section{background:#fff;text-align:center}.download-content{max-width:1000px}.download-content>p{font-size:18px;color:#6e7078}.platform-switch{display:inline-flex;gap:4px;background:#edeff4;border-radius:999px;padding:5px;margin:28px auto 26px}.platform-switch button{background:transparent;border:0;border-radius:999px;padding:12px 23px;font-weight:700;color:#6a6e78;font-size:14px}.platform-switch button[aria-pressed=true]{background:#fff;color:#1d1d1f;box-shadow:0 2px 8px #00000015}.download-content .button{display:flex;width:max-content;margin:0 auto}.download-status{font-size:13px!important;color:#4e628d!important;min-height:1.5em;margin:22px 0 7px}.download-content small{color:#9296a0;font-size:11px}.contact-section{background:#101318;color:#f5f5f7}.contact-layout{display:grid;grid-template-columns:1fr 320px;align-items:center;gap:100px}.contact-layout .eyebrow{color:#b1b6ff}.contact-layout h2{font-size:clamp(42px,4.3vw,56px);white-space:nowrap}.contact-layout p{color:#adb3bd;margin:0}.qr-block{background:#fff;border-radius:20px;padding:24px;text-align:center}.qr-block img{width:100%;aspect-ratio:1;object-fit:contain}.qr-block figcaption{color:#262a31;font-weight:700;font-size:14px;margin:15px 0 2px}.site-footer{background:#101318;border-top:1px solid #30343c;color:#fff}.footer-layout{min-height:100px;display:flex;justify-content:space-between;align-items:center}.site-footer .brand small{color:#9ca1ae}.footer-layout>span{color:#9298a5;font-size:12px}.zoomable img{cursor:zoom-in}.zoomable img:hover{filter:brightness(1.06)}#image-dialog{position:fixed;inset:5vh 4vw;max-width:92vw;max-height:90vh;padding:0;border:0;background:transparent;overflow:visible}#image-dialog::backdrop{background:#060a11db}#image-dialog img{max-width:92vw;max-height:90vh;object-fit:contain;border-radius:9px}#image-dialog .dialog-close{position:absolute;right:-8px;top:-37px;background:transparent;border:0;color:#fff;font-size:32px;line-height:1}
@media(max-width:800px){.nav-shell{width:min(100% - 32px,1320px);gap:12px}.site-nav{gap:13px}.chapter{padding:90px 0 100px}.chapter-intro{margin-bottom:45px}.split-heading{gap:30px}.feature-visual{padding:28px}.screen-item{grid-template-columns:1fr;gap:25px;padding:28px}.screen-item>div{max-width:620px}.contact-layout{gap:45px;grid-template-columns:1fr 240px}}
@media(max-width:620px){.wrap,.wrap-wide{width:min(100% - 32px,1320px)}.nav-shell{height:62px}.brand img{width:34px;height:34px}.brand strong{font-size:13px}.brand small{font-size:9px}.menu-button{display:grid;gap:4px;order:3;margin-left:4px;background:none;border:0;padding:8px}.menu-button span{display:block;width:20px;height:2px;background:#222}.site-nav{display:none;position:absolute;top:62px;left:0;right:0;background:#fafafa;flex-direction:column;padding:14px 22px 23px;box-shadow:0 15px 25px #0002}.site-nav.is-open{display:flex}.site-nav a{padding:9px}.nav-download{margin-left:auto;font-size:11px;padding:9px 12px}.hero{padding:76px 0 80px}.hero h1{font-size:clamp(42px,11vw,58px);white-space:normal;margin:20px 0}.hero-intro>p{font-size:15px}.desktop-break{display:none}.hero-actions{gap:20px;margin:29px 0 50px}.button{min-height:46px;padding:12px 18px;font-size:13px}.text-link{font-size:13px}.product-frame img{border-radius:7px}.product-frame figcaption{font-size:10px}.chapter{padding:78px 0 88px}.chapter h2{font-size:clamp(40px,10vw,55px);white-space:normal;margin:17px 0 19px}.chapter-intro p,.split-heading p,.contact-layout p{font-size:15px}.chapter-intro{margin-bottom:35px}.feature-visual{padding:20px 15px 23px;border-radius:13px}.visual-caption{font-size:10px;margin-bottom:14px;align-items:start}.visual-caption strong{font-size:11px;text-align:right}.feature-visual figcaption{font-size:10px}.split-heading{display:block;margin-bottom:34px}.split-heading p{margin-top:22px}.visual-narrow img{max-height:none}.detail-grid{grid-template-columns:1fr;gap:18px}.detail-item{padding:17px}.detail-item img{height:auto}.screen-story{gap:17px}.screen-item{padding:18px;border-radius:14px;gap:20px}.screen-item h3{font-size:28px;white-space:normal}.screen-item p{font-size:14px}.screen-note{font-size:10px}.platform-switch button{font-size:12px;padding:11px 16px}.download-content>p{font-size:15px}.contact-layout{grid-template-columns:1fr;gap:36px}.contact-layout h2{white-space:normal}.qr-block{width:min(100%,270px);margin:auto}.footer-layout{min-height:83px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

@media(max-width:900px) and (min-width:621px){.chapter h2{white-space:normal}}

/* Keep the Remotion focus stills fully visible at a readable width. */
.detail-grid{grid-template-columns:minmax(0,1fr);gap:34px}
.detail-item{padding:28px}
.detail-item picture{display:block}
.detail-item img{width:100%;height:auto;object-fit:contain;object-position:center}
@media(max-width:620px){.detail-grid{gap:20px}.detail-item{padding:16px}.detail-item img{height:auto}}

/* Keep the updated contact headline on one line beside the QR code. */
.contact-layout h2{font-size:clamp(36px,3.8vw,52px)}

/* One musician passage, shown at the same time on three devices. */
.sync-section{background:#101722;color:#f6f8fc}
.sync-section .eyebrow{color:#a3b6ff}
.sync-section .chapter-intro p{color:#b1bdd0}
.sync-demo{padding:42px;border:1px solid #34445d;border-radius:30px;background:radial-gradient(ellipse at 50% 0,#283958 0,transparent 58%),#152033;box-shadow:0 25px 80px #050a1466}
.sync-clock{display:flex;align-items:center;gap:12px;width:max-content;max-width:100%;margin:0 auto 52px;padding:12px 21px;border:1px solid #506486;border-radius:999px;background:#202e47;color:#c9d6eb;font-size:14px;font-weight:650;box-shadow:0 8px 30px #02071255}
.sync-clock strong{color:#fff;font-size:20px;letter-spacing:.03em}
.sync-clock-divider{height:18px;border-left:1px solid #6b7d9c;margin:0 4px}
.sync-live-dot{width:9px;height:9px;flex:none;border-radius:50%;background:#54d59a;box-shadow:0 0 0 5px #54d59a22;animation:sync-pulse 2.4s ease-in-out infinite}
.sync-devices{display:grid;grid-template-columns:minmax(0,1.36fr) minmax(0,1fr) minmax(0,.8fr);gap:24px;align-items:end}
.sync-device{display:grid;gap:18px;min-width:0;text-align:center}
.sync-device figcaption{color:#a8bfff;font-size:14px;font-weight:750;letter-spacing:.08em}
.sync-monitor-shell{position:relative;padding:10px;background:#0b0f17;border:2px solid #3b4658;border-radius:15px;box-shadow:0 18px 50px #02071099}
.sync-monitor-shell::after{content:"";position:absolute;left:39%;right:39%;bottom:-23px;height:22px;background:linear-gradient(#465267,#242e40);border-radius:0 0 4px 4px}
.sync-tablet-shell{aspect-ratio:4/3;padding:9px;border:8px solid #354255;border-radius:25px;background:#0a0f18;box-shadow:0 18px 50px #02071099}
.sync-phone-shell{width:min(100%,280px);aspect-ratio:2.05;margin-inline:auto;padding:8px 11px;border:7px solid #354255;border-radius:28px;background:#080b12;box-shadow:0 18px 50px #02071099}
.sync-score-screen{display:grid;place-items:center;overflow:hidden;width:100%;height:100%;border-radius:7px;background:#080c13}
.sync-monitor .sync-score-screen{aspect-ratio:1440/757}
.sync-score-screen img{display:block;width:100%;height:100%;object-fit:contain;object-position:center}
.sync-phone .sync-score-screen{border-radius:12px}
@keyframes sync-pulse{50%{box-shadow:0 0 0 9px #54d59a0b}}
@media(max-width:1050px){.sync-devices{grid-template-columns:minmax(0,1fr) minmax(0,.7fr);gap:42px 28px}.sync-monitor{grid-column:1/-1;width:min(100%,700px);margin-inline:auto}.sync-phone{align-self:end}.sync-clock{margin-bottom:45px}}
@media(max-width:620px){.sync-section .chapter-intro h2{font-size:clamp(36px,9vw,48px)}.sync-demo{padding:28px 18px 24px;border-radius:20px}.sync-clock{gap:7px;margin-bottom:36px;padding:10px 12px;font-size:10px}.sync-clock strong{font-size:15px}.sync-clock-divider{margin:0 1px}.sync-devices{grid-template-columns:minmax(0,1fr);gap:42px}.sync-monitor{grid-column:auto}.sync-device{gap:18px}.sync-tablet{width:100%}.sync-tablet-shell{padding:7px;border-width:6px;border-radius:18px}.sync-phone{width:100%}}
@media(prefers-reduced-motion:reduce){.sync-live-dot{animation:none}}

.create-shot,.dialog-media{position:relative}
.create-shot img{display:block}
.create-filename-overlay{position:absolute;inset:0;z-index:1;width:100%;height:100%;pointer-events:none}
.dialog-media{display:inline-block;max-width:92vw;max-height:90vh}
#image-dialog .create-filename-overlay{display:none}
#image-dialog.show-create-filename-overlay .create-filename-overlay{display:block}

.footer-meta{display:flex;align-items:center;gap:24px;color:#9298a5;font-size:12px;white-space:nowrap}
.footer-resource-links{display:flex;align-items:center;gap:16px}
.footer-resource-links a{color:#9298a5}
.footer-resource-links a:hover,.footer-resource-links a:focus-visible{color:#fff;text-decoration:underline}
@media(max-width:620px){.footer-layout{flex-wrap:wrap;justify-content:center;gap:12px;padding:18px 0}.footer-meta{width:100%;justify-content:center;gap:16px;font-size:11px}.footer-resource-links{gap:12px}}