:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--ink: #17201b;--muted: #5d675f;--line: #d8ded7;--page: #f6f7f1;--band: #eef2ed;--panel: #fbfcf8;--paper: #fffef9;--surface: #ffffff;--surface-soft: #f7faf6;--accent: #166a5a;--accent-strong: #0b4f40;--danger: #d95a4f;--gold: #c98b25;--blue: #376b9d;--shadow: 0 24px 70px rgba(23, 32, 27, .16)}:root[data-theme=dark]{color-scheme:dark;--ink: #f1f3f2;--muted: #aeb5b2;--line: #32383c;--page: #111315;--band: #171a1d;--panel: #1b1f22;--paper: #151719;--surface: #1d2124;--surface-soft: #24292d;--accent: #66cfb8;--accent-strong: #93e1d0;--danger: #ff7c70;--gold: #e2bd62;--blue: #8ebce6;--shadow: 0 24px 70px rgba(0, 0, 0, .38)}*{box-sizing:border-box}html{background:var(--page);color:var(--ink);scroll-behavior:smooth}body{margin:0;min-width:320px;word-break:keep-all;overflow-wrap:break-word}a{color:inherit;text-decoration:none}button{font:inherit}.page-shell{min-height:100vh;background:linear-gradient(180deg,color-mix(in srgb,var(--surface) 74%,transparent),transparent 520px),linear-gradient(135deg,var(--page),var(--band))}.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;width:min(1180px,calc(100% - 32px));margin:0 auto;padding:20px 0}.brand{display:flex;align-items:center;gap:12px;min-width:0;font-weight:900;letter-spacing:0;white-space:nowrap}.brand-logo{width:40px;height:40px;display:block;flex:0 0 auto}.brand-text{display:block;min-width:0}.topbar-actions{display:flex;align-items:center;gap:18px}.nav,.display-controls{display:flex;align-items:center}.nav{gap:18px;color:var(--muted);font-size:.95rem;font-weight:800}.nav a:hover{color:var(--ink)}.login-link{color:var(--accent-strong)}.display-controls{gap:8px}.control-button{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-width:46px;min-height:36px;padding:0 11px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);cursor:pointer;font-weight:900}.control-button:hover{border-color:var(--accent)}.theme-icon{width:17px;height:17px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:2}.theme-icon-sun{display:none}:root[data-theme=dark] .theme-icon-sun{display:block}:root[data-theme=dark] .theme-icon-moon{display:none}.hero{position:relative;display:flex;align-items:center;width:min(1180px,calc(100% - 32px));min-height:min(720px,76vh);margin:0 auto;padding:clamp(28px,7vw,86px) 0 clamp(38px,7vw,86px);overflow:hidden}.hero-copy{position:relative;z-index:3;max-width:660px}.eyebrow{color:var(--accent-strong);font-weight:900;margin:0 0 12px;text-transform:uppercase}h1{margin:0;font-size:clamp(2.35rem,7vw,5.65rem);line-height:.98;letter-spacing:0;word-break:keep-all}h1 span{display:inline-block;max-width:100%}.hero-copy p{color:var(--muted);max-width:530px;font-size:clamp(1.05rem,1.6vw,1.22rem);line-height:1.75;margin:22px 0 0}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid var(--ink);border-radius:8px;font-weight:900;text-align:center}.button.primary{background:var(--ink);color:var(--page)}.button.secondary{background:var(--surface)}.product-stage{position:absolute;inset:0;z-index:1;pointer-events:none}.editor-preview{position:absolute;top:42px;right:0;display:grid;grid-template-columns:190px minmax(0,1fr);width:min(760px,68vw);min-height:514px;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--paper);box-shadow:var(--shadow);opacity:.98}.editor-preview:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,color-mix(in srgb,var(--page) 96%,transparent) 0%,color-mix(in srgb,var(--page) 35%,transparent) 42%,transparent 68%);pointer-events:none}.preview-sidebar{border-right:1px solid var(--line);background:var(--surface-soft);padding:18px}.preview-title{margin:0 0 18px;font-weight:900}.preview-pill{display:block;margin:10px 0;padding:9px 10px;border-radius:8px;color:var(--muted);font-size:.9rem}.preview-pill.active{background:var(--surface);color:var(--ink);box-shadow:inset 3px 0 0 var(--accent)}.preview-workspace{padding:22px}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}.metric{color:var(--muted);font-size:.86rem}.tab-paper{display:grid;gap:10px;padding:22px 18px;border:1px solid var(--line);border-radius:8px;background:var(--paper);font-family:Courier New,monospace}.tab-row{display:grid;grid-template-columns:24px 1fr;gap:8px;align-items:center;color:var(--ink);white-space:nowrap}.tab-line{position:relative;height:24px;border-top:2px solid var(--ink)}.fret{position:absolute;top:-12px;transform:translate(-50%);min-width:22px;padding:1px 4px;background:var(--paper);color:var(--danger);text-align:center;font-weight:900}.chord-label{margin-left:46%;color:var(--accent-strong);font-family:Inter,sans-serif;font-weight:900}.note-strip{display:grid;grid-template-columns:repeat(4,38px);gap:8px;margin-top:20px;margin-left:46%;font-family:Inter,sans-serif}.note-strip span{display:grid;place-items:center;min-height:34px;border:1px solid var(--line);border-radius:8px;background:var(--surface-soft);color:var(--accent-strong);font-weight:900}.candidate-panel{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:18px}.candidate-panel span{min-height:42px;padding:11px 8px;border:1px solid var(--line);border-radius:8px;background:var(--surface-soft);color:var(--ink);text-align:center;font-weight:800}.section-band{padding:clamp(40px,7vw,80px) 0}.section-band:last-of-type{padding-bottom:clamp(112px,12vw,180px);padding-bottom:max(clamp(112px,12vw,180px),calc(112px + env(safe-area-inset-bottom)))}.section-inner{width:min(1180px,calc(100% - 32px));margin:0 auto}.section-heading{max-width:720px}.section-heading h2{margin:0;font-size:clamp(2rem,4vw,3.6rem);line-height:1;letter-spacing:0;word-break:keep-all}.section-heading p{margin:16px 0 0;color:var(--muted);line-height:1.75}.section-subtitle{margin:0 0 10px!important;color:var(--accent-strong)!important;font-weight:900;text-transform:uppercase}.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:28px}.feature{min-height:210px;padding:22px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}.feature strong{display:block;margin-bottom:12px;color:var(--accent-strong)}.feature p{margin:0;color:var(--muted);line-height:1.65}.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:28px}.flow-step{min-height:116px;padding:16px;border:1px solid var(--line);border-radius:8px;background:var(--panel);font-weight:800}.flow-step b{display:block;color:var(--blue);margin-bottom:8px}.flow-step span,.flow-step small{display:block}.flow-step small{margin-top:7px;color:var(--muted);font-size:.9rem;font-weight:700;line-height:1.35;word-break:normal}@media(max-width:1080px){.topbar{align-items:flex-start}.topbar-actions{align-items:flex-end;flex-direction:column}}@media(max-width:960px){.feature-grid,.flow{grid-template-columns:1fr 1fr}.hero{align-items:flex-start;min-height:780px}.editor-preview{top:280px;left:0;right:auto;width:min(760px,100%)}.editor-preview:before{background:linear-gradient(180deg,color-mix(in srgb,var(--page) 88%,transparent),transparent 36%)}}@media(max-width:680px){.topbar,.topbar-actions,.nav,.actions{align-items:flex-start}.topbar,.topbar-actions,.nav{flex-direction:column}.topbar-actions,.nav{gap:12px}.hero{padding-top:18px;min-height:790px}h1{font-size:clamp(2.1rem,10vw,3.6rem)}.editor-preview{grid-template-columns:1fr;top:350px}.preview-sidebar{display:none}.preview-workspace{padding:14px}.candidate-panel,.feature-grid,.flow{grid-template-columns:1fr}.note-strip{margin-left:0}}