/* Sell AI Data, 2026-10-11 rebuild on robinhood.com's system (Allen picked "money board"):
   black + chartreuse, big light serif display (Robinhood: Martina Plantijn 110px/400 -> Instrument Serif),
   grotesk headings at weight 400 with tight tracking (Phonic -> Inter Tight), 36px pill buttons, black/white bands. */
:root{
  --black:#000;--ink:#110e08;--warm:#1c180d;--warm2:#35322d;--line-d:#2b2720;--mute-d:#9a958b;--light:#d9d9d9;
  --paper:#fff;--cream:#f5f3ec;--line:#e4e1d8;--muted:#5f5b52;--lime:#c6ff1a;--lime-ink:#2f3d00;
  --serif:"Instrument Serif",Georgia,serif;--sans:"Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r:20px;
}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}html,body{overflow-x:clip;max-width:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.55 var(--sans);-webkit-font-smoothing:antialiased;letter-spacing:-.005em}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-underline-offset:3px;text-decoration-thickness:1px}
.wrap{max-width:1240px;margin:0 auto;padding:0 40px}
h1,h2,h3,h4{font-family:var(--sans);font-weight:400;letter-spacing:-.035em;line-height:1.12;margin:0 0 .45em;text-wrap:balance}
h2{font-size:clamp(2rem,3.6vw,3.2rem)}
h3{font-size:1.3rem;letter-spacing:-.02em;font-weight:500}
p{margin:0 0 1em}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* header */
header.site{position:sticky;top:0;z-index:40;background:var(--black);color:#fff}
header.site .wrap{display:flex;align-items:center;gap:22px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font:500 21px var(--sans);letter-spacing:-.03em;white-space:nowrap}
.logo b{font-weight:700}.logo .mark{width:34px;height:34px}
nav.main{display:flex;align-items:center;gap:4px;margin-left:auto}
.dd{position:relative}
.dd-btn,.nav-link{display:inline-flex;align-items:center;gap:8px;background:none;border:0;cursor:pointer;font:500 15px var(--sans);color:#fff;padding:10px 12px;border-radius:999px;text-decoration:none}
.dd-btn:hover,.nav-link:hover{background:var(--warm2)}
.dd-btn i{width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:translateY(-2px) rotate(45deg)}
.dd-panel{position:absolute;top:100%;left:0;z-index:45;display:none;min-width:260px;padding:8px;margin-top:8px;background:var(--warm);border:1px solid var(--line-d);border-radius:16px}
.dd-panel::before{content:"";position:absolute;left:0;right:0;top:-12px;height:12px}
.dd-panel a{display:block;padding:10px 12px;border-radius:10px;color:#fff;text-decoration:none;font-size:15px}
.dd-panel a:hover{background:var(--warm2);color:var(--lime)}
.dd.open .dd-panel{display:grid}
@media (hover:hover){.dd:hover .dd-panel{display:grid}}
.menu{display:none;position:relative;margin-left:auto}
.menu summary{list-style:none;cursor:pointer;border:1.5px solid #fff;color:#fff;border-radius:999px;padding:8px 16px;font-weight:600;font-size:14px}
.menu summary::-webkit-details-marker{display:none}
.menu-panel{position:absolute;right:0;top:calc(100% + 10px);width:min(320px,86vw);background:var(--warm);border:1px solid var(--line-d);border-radius:16px;padding:10px;z-index:50}
.mg summary{list-style:none;cursor:pointer;font-weight:600;font-size:13px;color:var(--mute-d);padding:10px 10px 6px}
.mg summary::-webkit-details-marker{display:none}
.mg-links a,.mg-top{display:block;padding:9px 10px;color:#fff;text-decoration:none;border-radius:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--lime);color:var(--ink);text-decoration:none;font:600 15px var(--sans);letter-spacing:-.01em;border-radius:999px;height:48px;padding:0 28px;border:1.5px solid var(--lime);cursor:pointer;white-space:nowrap}
.btn:hover{background:#d8ff5c;border-color:#d8ff5c;color:var(--ink)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}.btn-ghost:hover{background:rgba(198,255,26,.12);border-color:var(--lime);color:inherit}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

/* hero */
.hero{background:var(--black);color:#fff}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-block:72px 80px}
.hero.no-visual .hero-grid{grid-template-columns:1fr;max-width:900px}
.hero-copy h1{font-family:var(--serif);font-weight:400;font-size:clamp(3.1rem,6.6vw,6.2rem);line-height:.98;letter-spacing:-.01em;margin:.12em 0 .3em;color:#fff}
.hero-copy h1 em{font-style:italic;color:var(--lime)}
.hero-home .hero-copy h1{font-size:clamp(3.4rem,7.4vw,7rem)}
.eyebrow{margin:0;color:var(--lime);font-size:14px;font-weight:500}
.hero-sub{font-size:1.2rem;color:var(--light);max-width:34em}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 8px}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.byline{font-size:13px;color:var(--mute-d);margin:18px 0 0}
.crumbs{font-size:13.5px;color:var(--mute-d);margin-bottom:14px}.crumbs a{color:var(--mute-d)}.crumbs span{margin:0 8px}
.hero-visual img{border-radius:24px;aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-visual.studio img{border-radius:0;aspect-ratio:auto;transform:scale(1.15)}
.chips{display:none}

/* search */
.find{display:flex;align-items:center;gap:6px;background:#fff;border-radius:999px;padding:6px;margin:28px 0 12px;max-width:620px}
.find input{flex:1;min-width:0;border:0;outline:none;background:none;font:500 17px var(--sans);color:var(--ink);padding:10px 16px}
.find input::placeholder{color:#8a867c}
.find-chips{display:flex;flex-wrap:wrap;gap:8px}
.find-chips button{font:500 14px var(--sans);color:#fff;background:var(--warm);border:1px solid var(--line-d);border-radius:999px;padding:7px 14px;cursor:pointer}
.find-chips button:hover{border-color:var(--lime);color:var(--lime)}
.count{color:var(--lime);font-size:14px;margin:0 0 10px;min-height:1.2em}

/* ticker */
.ticker{background:var(--lime);color:var(--ink);overflow:hidden;display:flex;white-space:nowrap;border-block:1px solid #000}
.ticker ul{display:flex;gap:44px;list-style:none;margin:0;padding:14px 22px;animation:tick 48s linear infinite;flex:none}
.ticker li{font-size:15px}.ticker b{font-weight:700}
@keyframes tick{to{transform:translateX(-100%)}}
@media (prefers-reduced-motion:reduce){.ticker ul{animation:none}}

/* stats */
.stats{background:var(--black);color:#fff;border-top:1px solid var(--line-d)}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-block:34px}
.stat b{display:block;font-family:var(--serif);font-weight:400;font-size:3rem;line-height:1;color:var(--lime)}
.stat span{color:var(--mute-d);font-size:14px}

/* bands */
.band{padding:96px 0}
.band.soft{background:var(--cream)}
.band.dark{background:var(--black);color:#fff}
.band.dark .lede,.band.dark p{color:var(--light)}
.band.warm{background:var(--warm);color:#fff}
.section-head{max-width:780px;margin-bottom:38px}
.lede{font-size:1.14rem;color:var(--muted);max-width:46em}
.kicker{font-size:14px;font-weight:500;color:var(--muted);margin:0 0 12px}
.band.dark .kicker{color:var(--lime)}
.note{font-size:13.5px;color:var(--muted);margin-top:16px}
.band.dark .note{color:var(--mute-d)}.band.dark a{color:#fff}

/* sponsor strip */
.featured-band{background:var(--black);padding:56px 0 64px}
.feature-card{display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center;background:var(--warm);border:1px solid var(--line-d);border-radius:var(--r);padding:26px 30px;color:#fff}
.feature-card .logo-tile{width:60px;height:60px}.feature-card .logo-tile img{width:38px;height:38px}
.feature-copy h2{font-family:var(--serif);font-size:2.2rem;margin:0 0 6px;letter-spacing:-.01em}.feature-copy p{margin:0;color:var(--light);font-size:16px;max-width:44em}
.feature-copy .kicker{color:var(--lime);margin:0 0 2px;font-weight:600}
.feature-copy h2 a{color:#fff;text-decoration:none}
.feature-chips{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:14px 0 0}.feature-chips li{font-size:13px;color:var(--lime);border:1px solid #4a5a12;border-radius:999px;padding:4px 11px}
.feature-cta{display:flex;flex-direction:column;align-items:center;gap:6px}
.featured-band + .band{border-top:0}

/* price board */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.filters button{font:500 14px var(--sans);border:1px solid var(--line-d);background:transparent;color:#fff;border-radius:999px;padding:8px 16px;cursor:pointer}
.band:not(.dark) .filters button{color:var(--ink);border-color:var(--line)}
.filters button.on{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.co-list{display:grid;border-top:1px solid var(--line-d)}
.band:not(.dark) .co-list{border-color:var(--line)}
.co-row{display:grid;grid-template-columns:52px 1.3fr 1.6fr 1fr;gap:18px;align-items:center;padding:18px 12px;border-bottom:1px solid var(--line-d);border-radius:0;transition:background .15s}
.band:not(.dark) .co-row{border-color:var(--line)}
.co-row:hover{background:var(--warm)}.band:not(.dark) .co-row:hover{background:var(--cream)}
.co-row[hidden]{display:none}
.co-row .name a{font-size:1.12rem;font-weight:500;text-decoration:none;letter-spacing:-.02em}
.co-row .name small{display:block;color:var(--mute-d);font-size:13px;margin-top:2px}
.band:not(.dark) .co-row .name small{color:var(--muted)}
.co-row .fit{color:var(--light);font-size:15px}.band:not(.dark) .co-row .fit{color:var(--muted)}
.co-row .price{text-align:right;font-weight:600;font-size:1.05rem}
.co-row .price a{color:var(--lime);text-decoration:none}.band:not(.dark) .co-row .price a{color:var(--lime-ink)}
.co-row .price.np a,.co-row .price.np{color:var(--mute-d)!important;font-weight:500}
.co-row .price small{display:block;font-weight:400;color:var(--mute-d);font-size:12.5px}
.co-row.featured{background:linear-gradient(90deg,rgba(198,255,26,.14),transparent 70%);box-shadow:inset 3px 0 0 var(--lime)}
.badge{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-weight:700;font-size:17px;color:#fff;background:var(--c,#333)}
.logo-tile{width:46px;height:46px;flex:none;border-radius:12px;background:#fff;display:grid;place-items:center}
.logo-tile img{width:30px;height:30px;object-fit:contain}
.sponsored{display:inline-block;font:700 10.5px var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--ink);background:var(--lime);border-radius:999px;padding:2px 8px;vertical-align:3px;margin-left:6px}
.pill{display:inline-block;font-size:12.5px;font-weight:600;border-radius:999px;padding:4px 10px;background:var(--cream);color:var(--muted);white-space:nowrap}

/* ways-to-sell tiles */
.types{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.type{background:var(--warm);border:1px solid var(--line-d);border-radius:var(--r);padding:26px}
.type .ic{font-family:var(--serif);font-size:2.4rem;line-height:1;color:var(--lime);margin-bottom:16px}
.type h3{color:#fff}.type p{font-size:15px;color:var(--light);margin:0}

/* profiles */
.group-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:56px 0 18px}
.group-title:first-child{margin-top:0}
.group-title h2{margin:0;font-size:clamp(1.6rem,2.6vw,2.2rem)}
.group-title a{font-size:15px;font-weight:500}
.tools{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.tool{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 28px}
.band.soft .tool{border-color:#e7e3d8}
.tool-head{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.tool-head h3{margin:0}.tool-head h3 a{text-decoration:none}
.tool-price{font-weight:600;font-size:14.5px}.tool-price a{color:var(--lime-ink)}
.tool .fit{font-size:14.5px;color:var(--ink);font-weight:500;margin:0 0 10px}
.tool p{font-size:15.5px;color:var(--muted)}.tool p:last-child{margin-bottom:0}
.tool .facts{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 12px;padding:0;list-style:none}
.tool .facts li{font-size:13px;background:var(--cream);border-radius:999px;padding:4px 10px;color:var(--ink)}
.tool.is-ours{background:var(--black);color:#fff;border-color:var(--black)}
.tool.is-ours p{color:var(--light)}.tool.is-ours .fit{color:#fff}.tool.is-ours .facts li{background:var(--warm2);color:#fff}.tool.is-ours .tool-price a{color:var(--lime)}
.tool.is-ours .pill{background:var(--warm2);color:#fff}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:0;list-style:none}
.steps li{border-top:1px solid var(--ink);padding-top:18px;counter-increment:s;color:var(--muted);font-size:16px}
.steps li::before{content:counter(s,decimal-leading-zero);display:block;font-family:var(--serif);font-size:3.2rem;line-height:1;color:var(--ink);margin-bottom:12px}
.steps li b{display:block;font-size:1.2rem;font-weight:500;color:var(--ink);margin-bottom:6px;letter-spacing:-.02em}

/* guide cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .2s}
a.card:hover{transform:translateY(-3px)}
.card img{aspect-ratio:3/2;object-fit:cover;width:100%}
.card .card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:6px;flex:1}
.card h3{margin:0}.card p{margin:0;color:var(--muted);font-size:15px}
.card .more{margin-top:auto;padding-top:10px;font-weight:600;font-size:15px}

/* split, tables, prose */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split img{border-radius:var(--r);aspect-ratio:3/2;object-fit:cover;width:100%}
.split.flip .split-media{order:2}
.split-media .tools{grid-template-columns:1fr}
.ticks{list-style:none;padding:0;margin:0 0 1em}
.ticks li{padding-left:26px;position:relative;margin:.5em 0}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:12px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 1px var(--ink)}
.tablewrap{overflow-x:auto;margin:8px 0 14px;border-top:1px solid var(--ink)}
.tablewrap table{border-collapse:collapse;width:100%;font-size:15px;min-width:680px}
.tablewrap th,.tablewrap td{text-align:left;padding:14px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tablewrap th{color:var(--muted);font-size:13px;font-weight:500}
.tablewrap td:first-child{font-weight:500}
.band.dark .tablewrap{border-color:#fff}.band.dark .tablewrap td,.band.dark .tablewrap th{border-color:var(--line-d)}
.prose{max-width:760px}
.prose h2{font-size:2rem;margin:1.5em 0 .5em}.prose h2:first-of-type{margin-top:.2em}
.prose ol,.prose ul{padding-left:1.2em}.prose li{margin:.45em 0}
.callout{border-left:3px solid var(--lime);background:var(--cream);border-radius:0 14px 14px 0;padding:16px 20px;margin:18px 0}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 28px}
.panel ul{margin:0;padding-left:1.1em}.panel li{margin:.4em 0;color:var(--muted)}

/* faq + sources */
.faq{max-width:840px}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;list-style:none;font-weight:500;font-size:1.2rem;letter-spacing:-.02em;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--serif);font-size:1.8rem;line-height:.8}
.faq details[open] summary::after{content:"–"}
.faq details p{margin:12px 0 0;color:var(--muted)}
.sources-band{padding:56px 0}.sources h2{font-size:1.4rem}
.sources ol{font-size:14.5px;padding-left:1.2em;color:var(--muted)}.sources li{margin:.3em 0;word-break:break-word}

/* footer */
.foot{background:var(--black);color:var(--mute-d);padding:64px 0 0;font-size:15px}
.foot .wrap{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px}
.foot .logo{color:#fff}.foot-brand p{margin-top:14px;max-width:28em}
.foot h4{color:#fff;font-size:15px;font-weight:500;margin:4px 0 12px;letter-spacing:-.01em}
.foot a{color:var(--mute-d);text-decoration:none;display:block;padding:4px 0}.foot a:hover{color:var(--lime)}
.foot .foot-base{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line-d);margin-top:48px;padding-block:22px;font-size:13.5px}

@media (max-width:980px){
  nav.main{display:none}.menu{display:block}header.site .btn-sm{display:none}
  .hero-grid{grid-template-columns:1fr;gap:28px;padding-block:44px 56px}
  .hero-visual.studio{display:none}
  .cards,.tools,.types,.steps,.two-col{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:28px}.split.flip .split-media{order:0}
  .foot .wrap{grid-template-columns:1fr 1fr}
  .stats .wrap{grid-template-columns:1fr 1fr}
  .co-row{grid-template-columns:44px 1fr auto;grid-template-areas:"b n p" "b f f"}
  .co-row>.logo-tile,.co-row>.badge,.co-row>a{grid-area:b}.co-row .name{grid-area:n}.co-row .price{grid-area:p}.co-row .fit{grid-area:f}
  .feature-card{grid-template-columns:auto 1fr}.feature-cta{grid-column:1/-1;align-items:stretch}
}
@media (max-width:620px){
  .wrap{padding:0 16px}
  .cards,.tools,.types,.steps,.two-col{grid-template-columns:1fr}
  .band{padding:64px 0}
  .foot .wrap{grid-template-columns:1fr}
  .find{flex-wrap:wrap;border-radius:22px}.find .btn{width:100%}
  .co-row .logo-tile,.co-row .badge{width:40px;height:40px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* tidy (Allen 2026-10-11): a lone last card spans the row; guide cards match the dark band */
.tools>.tool:last-child:nth-child(odd){grid-column:1/-1}
.band.dark .card{background:var(--warm);border-color:var(--line-d);color:#fff}
.band.dark .card p{color:var(--light)}.band.dark .card .more{color:var(--lime)}
.band.dark a.card:hover{border-color:var(--lime)}

/* toned down (Allen 2026-10-11): smaller type everywhere, home hero = centered search like Google */
body{font-size:16px}
h2{font-size:clamp(1.6rem,2.6vw,2.35rem)}
h3{font-size:1.12rem}
.band{padding:80px 0}
.lede{font-size:1.02rem}
.hero-copy h1{font-size:clamp(2.3rem,4.4vw,3.6rem)}
.hero-sub{font-size:1.04rem}
.hero-grid{padding-block:56px 64px}
.hero-home .hero-grid{grid-template-columns:1fr;max-width:820px;text-align:center;padding-block:88px 72px}
.hero-home .hero-copy h1{font-size:clamp(2.2rem,4vw,3.25rem);margin:.2em 0 .25em}
.hero-home .hero-sub{margin-inline:auto;max-width:36em;color:var(--mute-d)}
.hero-home .find{margin:30px auto 14px;max-width:760px;padding:8px;box-shadow:0 0 0 1px #2b2720,0 18px 50px -20px rgba(198,255,26,.35)}
.hero-home .find input{font-size:19px;padding:14px 20px}
.hero-home .find .btn{height:52px;padding:0 30px}
.hero-home .find-chips{justify-content:center}
.hero-home .byline{display:none}
.find-chips button{font-size:13px;padding:6px 12px}
.ticker{background:var(--warm);color:#fff;border-color:var(--line-d)}
.ticker b{color:var(--lime);font-weight:600}.ticker li{font-size:13.5px}.ticker ul{padding:11px 22px}
.co-row{padding:15px 12px}.co-row .name a{font-size:1rem}.co-row .fit{font-size:14px}.co-row .price{font-size:.98rem}
.tool{padding:22px 24px}.tool p{font-size:14.5px}
.type p,.card p,.steps li{font-size:14.5px}
.stat b{font-size:2.4rem}
.feature-copy h2{font-size:1.8rem}.feature-copy p{font-size:15px}
.steps li::before{font-size:2.6rem}
.faq summary{font-size:1.06rem}
/* logo */
.logo{font-weight:600;font-size:19px;letter-spacing:-.02em}
.logo em{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--lime);font-size:1.15em;letter-spacing:0}
.logo .mark{width:28px;height:28px}
.foot .logo{display:inline-flex;padding:0}

/* FileYield mark: the mark is its own tile, so no white box; light version on dark sections */
.logo-tile.fy{background:none;border:0;padding:0;box-shadow:none}
.logo-tile.fy img{width:100%!important;height:100%!important}
.fy-l{display:none}
.band.dark .fy-d,.featured-band .fy-d,.tool.is-ours .fy-d,.hero .fy-d{display:none}
.band.dark .fy-l,.featured-band .fy-l,.tool.is-ours .fy-l,.hero .fy-l{display:block}