:root{color-scheme:light;--paper:#faf9ff;--ink:#302a48;--muted:#716982;--purple:#6650bd;--lavender:#9b8cff;--pale:#ede9ff;--orange:#ff9b42;--line:#e6e0f1;font-family:"Avenir Next",Avenir,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}a:focus-visible{outline:3px solid var(--purple);outline-offset:5px}img{max-width:100%}.skip-link{position:absolute;left:20px;top:-60px;padding:10px;background:white;z-index:5}.skip-link:focus{top:10px}.page{width:min(1120px,calc(100% - 80px));margin:auto}.header{display:flex;align-items:center;justify-content:space-between;padding:30px 0 24px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:750;font-size:23px;letter-spacing:-1px;color:var(--purple)}.brand-leet{color:#ad581c}.header-link{font-size:14px;font-weight:600;display:flex;gap:12px;align-items:center}.header-link:hover{color:var(--purple)}.header-link span{font-size:20px}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:72px;padding:40px 0}.eyebrow{display:flex;align-items:center;gap:9px;font-size:12px;font-weight:650;letter-spacing:.1em;text-transform:uppercase;margin:0 0 23px}.eyebrow span{color:var(--orange);font-size:23px;line-height:1}h1{font-family:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,serif;font-size:clamp(42px,4.5vw,64px);line-height:1.06;letter-spacing:-2.2px;font-weight:500;margin:0 0 23px}h1 em{color:var(--purple);font-weight:500}.description{font-size:17px;line-height:1.7;max-width:400px;color:var(--muted);margin:0 0 25px}.actions{display:flex;gap:20px;align-items:center}.primary{display:inline-flex;gap:25px;align-items:center;border-radius:12px;background:var(--purple);color:white;padding:15px 21px;font-size:15px;font-weight:650;box-shadow:0 5px 15px #6650bd1a;transition:background .15s,transform .15s}.primary:hover{background:#53419d;transform:translateY(-2px)}.primary span{font-size:20px;line-height:1}.platform{display:flex;gap:7px;align-items:center;font-size:13px;color:var(--muted)}.setup-note{font-size:12px;line-height:1.6;color:var(--muted);max-width:365px;margin:12px 0 28px}.features{padding:24px 0 0;margin:0;border-top:1px solid var(--line);list-style:none;display:grid;gap:18px;max-width:430px}.features li{display:flex;gap:14px;align-items:flex-start}.feature-number{font-family:ui-monospace,monospace;color:#967ac1;font-size:12px;padding-top:3px}.features strong{font-size:14px;font-weight:650}.features p{margin:3px 0 0;font-size:13px;color:var(--muted);line-height:1.5}.showcase{padding:19px 18px 15px;background:#f0ecf8;border:1px solid #e8e1f4;border-radius:24px;box-shadow:0 16px 45px #4a37600b;position:relative}.showcase-heading{display:flex;align-items:center;gap:7px;font-size:12px;color:#77678b;margin:0 3px 15px}.live-dot{width:6px;height:6px;background:#a08cd0;border-radius:50%}.showcase-star{margin-left:auto;font-size:25px;line-height:1;color:var(--orange)}.screenshot-nav{display:flex;gap:3px;padding:4px;border:1px solid #e1d9ee;background:#e7e0f1;border-radius:11px;margin-bottom:13px}.screenshot-nav a{flex:1;text-align:center;white-space:nowrap;font-size:12px;font-weight:600;border-radius:7px;padding:9px 5px;color:#776984;transition:background .15s,color .15s}.screenshot-nav a:hover{background:#f5f2fa;color:var(--purple)}.screenshot-nav a[aria-current="true"]{background:white;color:var(--purple);box-shadow:0 2px 4px #4b326012}figure{margin:0}.screenshot-stage{height:435px;display:flex;align-items:center;justify-content:center;position:relative;background:#faf9ff;border-radius:13px;overflow:hidden;border:1px solid #e4dff0}.screenshot-stage img{display:block;object-fit:contain;width:100%;height:100%}.image-hint{position:absolute;bottom:10px;right:10px;background:#fffefbeF;padding:7px 10px;border:1px solid var(--line);border-radius:7px;font-size:11px;color:#655b75;box-shadow:0 2px 7px #302a4810}.screenshot-stage:hover .image-hint{color:var(--purple);border-color:var(--lavender)}figcaption{min-height:38px;margin:12px 5px 0;font-size:12px;line-height:1.55;color:var(--muted)}.footer{padding:20px 0 24px;border-top:1px solid var(--line);display:flex;gap:15px;justify-content:space-between;color:var(--muted);font-size:11px}.footer a{color:var(--ink)}.footer a:hover{text-decoration:underline}.footer-spark{color:var(--orange);margin-left:5px}
@media(min-width:1400px){.page{padding-top:12px}.hero{padding-top:48px;padding-bottom:48px}}
@media(max-width:1000px){.page{width:calc(100% - 48px)}.hero{gap:32px}.platform{font-size:12px}.actions{gap:14px}.primary{padding:14px 16px;gap:13px}.screenshot-stage{height:410px}}
@media(max-width:740px){.page{width:min(520px,calc(100% - 36px))}.header{padding:21px 0}.brand{font-size:21px}.brand img{width:32px;height:32px}.header-link{font-size:12px;gap:5px}.hero{grid-template-columns:1fr;gap:28px;padding:32px 0}.eyebrow{font-size:10px;margin-bottom:18px}h1{font-size:49px;letter-spacing:-1.7px;margin-bottom:17px}.description{font-size:16px;margin-bottom:21px;max-width:none}.features{gap:13px;max-width:none;padding-top:18px}.setup-note{margin-bottom:22px}.showcase{padding:15px 12px 10px;border-radius:18px}.screenshot-stage{height:410px}.footer{font-size:10px;line-height:1.6;flex-direction:column;gap:4px;padding-top:17px}.primary{font-size:14px}.platform{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

/* The left column is a small editorial field note. The product gallery is unchanged. */
.field-notes{max-width:100%;padding:0 10px 0 0}
.notes-masthead{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--ink);padding-top:10px;font:10px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.065em;color:var(--muted);margin-bottom:25px}
.field-notes h1{font-size:clamp(43px,4.3vw,59px);line-height:1.12;letter-spacing:-2px;margin:0;font-weight:400}
.field-notes h1 em{font-weight:400}.question-word{position:relative;white-space:nowrap}.question-word:after{content:"";position:absolute;bottom:2px;left:8px;right:6px;height:2px;background:var(--orange);transform:rotate(-4deg)}
.editor-note{font-family:"Iowan Old Style",Palatino,serif;font-style:italic;font-size:18px;color:var(--muted);margin:12px 0 24px}
.scratchpad{position:relative;background:#f6f3ed;border-top:1px solid #dfd8ca;border-bottom:1px solid #dfd8ca;padding:13px 18px 11px;transform:rotate(-1.3deg);margin:0 4px 25px 0}
.scratch-label{display:flex;justify-content:space-between;font:10px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.07em;color:#817767}
.number-row{display:flex;align-items:center;justify-content:space-between;gap:5px;margin:15px 0 0;font:31px/1.4 "Iowan Old Style",Palatino,serif}
.array-bracket{color:#b4a998;font-size:43px;font-weight:300}.number{position:relative;text-align:center;min-width:43px;padding:0 4px}.number small{display:block;font:9px/1.5 ui-monospace,monospace;color:#928776;margin-top:9px}.paired:before{content:"";position:absolute;inset:-2px -4px 18px;border:1.5px solid #d77936;border-radius:48% 52% 45% 55%;transform:rotate(-12deg)}.second-number:before{transform:rotate(11deg);border-color:var(--purple)}
.pencil-note{font-family:"Iowan Old Style",Palatino,serif;font-size:16px;font-style:italic;color:var(--purple);margin:0 0 9px 58px;transform:rotate(-3deg)}.pencil-arrow{display:inline-block;font-family:serif;font-size:25px;margin-right:5px;transform:rotate(7deg)}
.scratch-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;border-top:1px solid #dfd8ca;padding-top:9px;font:10px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:#817767}.scratch-bottom>span:first-child{font-size:12px;color:var(--ink)}.scratch-bottom strong{font-weight:500;color:var(--purple)}.tiny-spark{color:#c47433;font-size:16px;margin-left:3px}
.field-description{font-size:15px;line-height:1.7;color:var(--muted);max-width:430px;margin:0 0 13px}.field-tools{display:flex;flex-wrap:wrap;gap:10px;font-size:11px;color:var(--ink);margin:0 0 23px}.field-tools>span:nth-child(even){color:#b8aabc}
.field-install{display:flex;align-items:center;justify-content:space-between;gap:12px}.field-install a{display:inline-flex;align-items:center;gap:15px;font-size:15px;font-weight:600;letter-spacing:-.2px}.field-install a>span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#ffd4ad;color:#74421d;font-size:21px;transition:transform .18s,background .18s}.field-install a:hover>span{transform:rotate(45deg);background:#ffbf87}.field-install a:hover{text-decoration:underline;text-underline-offset:5px}.install-platform{font:9px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.05em;color:var(--muted)}
.field-fineprint{font-size:10px;line-height:1.6;color:var(--muted);margin:12px 0 0;max-width:380px}
@media(max-width:1000px) and (min-width:741px){.notes-masthead{font-size:8px}.field-notes h1{font-size:45px}.field-install{flex-wrap:wrap;gap:6px}.scratchpad{padding-left:12px;padding-right:12px}.number{min-width:32px}.scratch-bottom{font-size:8px}.pencil-note{margin-left:38px}}
@media(max-width:740px){.field-notes{padding:0}.notes-masthead{font-size:9px;margin-bottom:23px}.field-notes h1{font-size:clamp(43px,11.8vw,59px);letter-spacing:-1.7px}.editor-note{font-size:17px}.scratchpad{margin-bottom:23px}.field-description{font-size:15px}.field-install a{font-size:14px;gap:10px}.install-platform{font-size:8px}.field-fineprint{font-size:10px}.scratch-bottom{font-size:9px}}
@media(prefers-reduced-motion:reduce){.field-install a>span{transition:none}}

/* A single, explicit hash-map lookup in the Two Sum field note. */
.scratchpad .number small{font-size:8px;white-space:nowrap}
.lookup-note{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:15px 0 14px;font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}
.map-entry{color:#99541f;border-left:2px solid #d77936;padding-left:9px}.map-entry small{display:block;color:#817767;font-size:9px;margin-top:2px}
.lookup-equation{color:var(--purple);text-align:right}.lookup-equation small{display:block;font:italic 15px/1.5 "Iowan Old Style",Palatino,serif}
@media(max-width:1000px) and (min-width:741px){.scratch-label{font-size:8px}.lookup-note{font-size:11px}.lookup-equation small{font-size:13px}}
@media(max-width:740px){.scratch-label{font-size:9px}.lookup-note{font-size:11px}}

.field-fineprint a{text-decoration:underline;text-underline-offset:3px}.field-install a:hover>span{transform:translateY(2px)}