:root{--bg: #0a0f1a;--bg-elevated: #0d1420;--bg-card: #0f1726;--bg-card-hover: #131d30;--line: rgba(148, 178, 214, .14);--line-strong: rgba(148, 178, 214, .28);--ink: #edf2fb;--ink-dim: #8b98b4;--ink-faint: #566079;--accent: #5eead4;--accent-ink: #06251f;--amber: #fbbf24;--spectrum-1: #8b5cf6;--spectrum-2: #6366f1;--spectrum-3: #38bdf8;--spectrum-4: #2dd4bf;--spectrum-5: #fbbf24;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--font-serif: Iowan Old Style, Palatino, "Palatino Linotype", Georgia, "Times New Roman", serif;--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, "Roboto Mono", monospace;--container: 1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}section[id],#tool{scroll-margin-top:76px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;letter-spacing:-.01em}p{margin:0}a{color:inherit;text-decoration:none}ul,ol{margin:0;padding:0;list-style:none}button,input{font-family:inherit}.icon{width:1em;height:1em;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.mono{font-family:var(--font-mono)}.bg-grid{position:fixed;inset:0;z-index:0;pointer-events:none;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:linear-gradient(to bottom,black,black 60%,transparent 100%);mask-image:linear-gradient(to bottom,black,black 60%,transparent 100%);opacity:.6}.crop-mark{position:fixed;width:14px;height:14px;z-index:40;pointer-events:none;opacity:.5}.crop-mark:before,.crop-mark:after{content:"";position:absolute;background:var(--line-strong)}.crop-mark:before{top:6px;left:0;width:14px;height:1px}.crop-mark:after{top:0;left:6px;width:1px;height:14px}.crop-mark--tl{top:18px;left:18px}.crop-mark--tr{top:18px;right:18px}.crop-mark--bl{bottom:18px;left:18px}.crop-mark--br{bottom:18px;right:18px}main,header,footer{position:relative;z-index:1}.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}.reveal.is-visible{opacity:1;transform:translateY(0)}.btn{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-sans);font-size:.92rem;font-weight:600;padding:12px 22px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease,background .15s ease,border-color .15s ease,color .15s ease;white-space:nowrap}.btn .icon{font-size:1.05em}.btn--primary{background:var(--accent);color:var(--accent-ink)}.btn--primary:hover{transform:translateY(-1px);box-shadow:0 10px 24px -10px #5eead473}.btn--secondary{background:transparent;color:var(--ink);border-color:var(--line-strong)}.btn--secondary:hover{border-color:var(--accent);color:var(--accent)}.btn--ghost{background:transparent;color:var(--ink-dim);border-color:var(--line)}.btn--ghost:hover{color:var(--ink);border-color:var(--line-strong)}.btn--sm{padding:8px 14px;font-size:.82rem}.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-faint);border:1px solid var(--line);border-radius:var(--radius-sm);padding:5px 9px}.nav{position:sticky;top:0;z-index:50;border-bottom:1px solid transparent;transition:background .3s ease,border-color .3s ease,backdrop-filter .3s ease}.nav--scrolled{background:#0a0f1ad1;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom-color:var(--line)}.nav__inner{max-width:var(--container);margin:0 auto;padding:18px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px}.brand__text{font-family:var(--font-serif);font-weight:600;font-size:1.15rem;letter-spacing:-.01em;color:var(--ink)}.brand__suffix{font-family:var(--font-mono);font-size:.72rem;color:var(--ink-faint);margin-left:2px}.nav__links{display:flex;align-items:center;gap:30px;font-size:.88rem;color:var(--ink-dim)}.nav__links a{position:relative;padding-bottom:3px;transition:color .2s ease}.nav__links a:after{content:"";position:absolute;left:0;right:100%;bottom:0;height:1px;background:var(--accent);transition:right .25s ease}.nav__links a:hover{color:var(--ink)}.nav__links a:hover:after{right:0}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em;color:var(--accent);margin-bottom:16px}.eyebrow:before{content:"";width:14px;height:1px;background:var(--accent);display:inline-block}.section-heading{max-width:560px;margin:0 0 44px}.section-heading.center{margin-inline:auto;text-align:center}.section-heading h2{font-size:clamp(1.7rem,3.2vw,2.3rem);color:var(--ink)}.section-heading p{margin-top:12px;color:var(--ink-dim);font-size:1rem}.hero{padding:72px 32px 90px;border-bottom:1px solid var(--line)}.hero__inner{max-width:var(--container);margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}.hero__copy{max-width:480px}.hero__title{font-size:clamp(2.2rem,4.2vw,3.1rem);line-height:1.14;margin-bottom:22px;color:var(--ink)}.hero__title em{font-style:normal;color:var(--accent)}.hero__subtitle{font-size:1.05rem;color:var(--ink-dim);margin-bottom:32px}.hero__cta{display:flex;gap:12px}.hero__diagram{position:relative}.hero__diagram svg{width:100%;height:auto;display:block}.hero__diagram-caption{margin-top:10px;font-family:var(--font-mono);font-size:.72rem;color:var(--ink-faint);display:flex;justify-content:space-between}.quickcheck{padding:90px 32px;border-bottom:1px solid var(--line)}.quickcheck__inner{max-width:760px;margin:0 auto;text-align:center}.quickcheck__box{margin-top:32px;text-align:left;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:8px}.quickcheck__input-row{display:flex;align-items:center;gap:10px;padding:10px 14px}.quickcheck__input-row .icon{color:var(--ink-faint);font-size:1.2rem}#format-search{flex:1;background:transparent;border:none;outline:none;color:var(--ink);font-size:1rem;font-family:var(--font-mono)}#format-search::placeholder{color:var(--ink-faint)}.quickcheck__hints{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;justify-content:center}.hint-chip{font-family:var(--font-mono);font-size:.78rem;color:var(--ink-dim);background:transparent;border:1px solid var(--line);border-radius:var(--radius-sm);padding:6px 11px;cursor:pointer;transition:border-color .15s ease,color .15s ease}.hint-chip:hover{border-color:var(--accent);color:var(--accent)}#format-results{border-top:1px solid var(--line);margin-top:4px;max-height:320px;overflow-y:auto}.result-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-bottom:1px solid 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em{font-style:normal;color:var(--accent)}.stat__label{font-size:.82rem;color:var(--ink-faint)}.tool{padding:90px 32px;border-bottom:1px solid var(--line)}.tool__inner{max-width:var(--container);margin:0 auto}.tool__panel{position:relative;background:var(--bg-elevated);border:1px solid var(--line);border-radius:var(--radius-lg);padding:48px}#file-input{display:none}#file-area{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:100%;padding:52px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius-md);background:#5eead405;color:var(--ink);text-align:center;cursor:pointer;transition:border-color .2s ease,background .2s ease}#file-area:hover{border-color:var(--accent);background:#5eead40d}.dropzone__icon{width:36px;height:36px;margin-bottom:8px;fill:none;stroke:var(--accent);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}#file-area h2{font-family:var(--font-sans);font-size:1.05rem;font-weight:600;margin:0}#file-area p{margin:0;color:var(--ink-faint);font-size:.88rem;font-family:var(--font-mono)}#side-panel{position:absolute;top:24px;right:24px;z-index:2}#side-panel button{font-family:var(--font-mono);font-size:.76rem;font-weight:600;padding:8px 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:transparent;color:var(--ink-dim);cursor:pointer;transition:color .2s ease,border-color .2s ease}#side-panel button:hover{color:var(--accent);border-color:var(--accent)}#format-containers{display:flex;gap:24px;margin-top:36px}.format-container{display:flex;flex-flow:column nowrap;width:50%;min-width:0}.format-container 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ease}#convert-button:hover{transform:translateY(-1px);box-shadow:0 12px 26px -10px #5eead473}.disabled{opacity:.3;filter:none;pointer-events:none;box-shadow:none}#popup-bg{display:none;position:fixed;inset:0;background:#05070cbf;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:90}#popup{display:none;position:fixed;left:50%;top:50%;width:min(360px,82vw);transform:translate(-50%,-50%);background:var(--bg-elevated);border:1px solid var(--line-strong);padding:26px;border-radius:var(--radius-lg);text-align:center;z-index:91}#popup h2{font-family:var(--font-sans);font-size:1.05rem;margin-bottom:6px}#popup p{color:var(--ink-dim);font-size:.88rem}#popup button{font-family:var(--font-sans);font-size:.88rem;font-weight:600;margin-top:16px;padding:9px 22px;border:0;border-radius:var(--radius-sm);background:var(--accent);color:var(--accent-ink);cursor:pointer}.features{padding:90px 32px;border-bottom:1px solid var(--line)}.features__inner{max-width:var(--container);margin:0 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var(--line)}.step__num{display:block;font-family:var(--font-mono);font-size:.85rem;font-weight:700;color:var(--accent);margin-bottom:14px}.step h3{font-family:var(--font-sans);font-size:1.02rem;font-weight:650;margin-bottom:10px;color:var(--ink)}.step p{color:var(--ink-dim);font-size:.9rem;line-height:1.6}.footer{border-top:1px solid var(--line);padding:56px 32px 24px}.footer__inner{max-width:var(--container);margin:0 auto;display:flex;justify-content:space-between;gap:48px;padding-bottom:40px}.footer__brand{max-width:280px;display:flex;flex-direction:column;align-items:flex-start;gap:12px}.footer__brand p{color:var(--ink-faint);font-size:.86rem}#commit-id{color:var(--ink-faint);font-family:var(--font-mono);font-size:.72rem;border:1px solid var(--line);padding:4px 9px;border-radius:var(--radius-sm);transition:color .2s ease,border-color .2s ease}#commit-id:hover{color:var(--ink-dim);border-color:var(--line-strong)}.footer__cols{display:flex;gap:56px}.footer__col{display:flex;flex-direction:column;gap:12px}.footer__col h4{font-family:var(--font-mono);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);margin-bottom:4px}.footer__col a{color:var(--ink-dim);font-size:.88rem;transition:color .2s ease}.footer__col a:hover{color:var(--ink)}.footer__bottom{max-width:var(--container);margin:0 auto;border-top:1px solid var(--line);padding-top:22px}.footer__bottom p{color:var(--ink-faint);font-size:.78rem}@media only screen and (max-width:980px){.hero__inner{grid-template-columns:1fr}.hero__copy{max-width:none}.feature-grid,.example-grid,.deep-cuts-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:1fr}.stats__inner{grid-template-columns:repeat(2,1fr)}.stat:nth-child(3){border-left:none}}@media only screen and (max-width:800px){.nav__links,#drop-hint-text{display:none}.tool__panel{padding:26px 18px}#format-containers{flex-flow:column nowrap;gap:18px}.format-container{width:100%}#popup{width:84vw}#side-panel{top:14px;right:14px}#side-panel button{font-size:.72rem;padding:7px 11px}.feature-grid,.example-grid,.deep-cuts-grid{grid-template-columns:1fr}.footer__inner{flex-direction:column;gap:32px}.footer__cols{gap:32px}.stats__inner{grid-template-columns:1fr}.stat{border-left:none!important;border-top:1px solid var(--line)}.stat:first-child{border-top:none}}