/* FileMixer. Ink green and a spreadsheet's selection green, on paper; Cabinet Grotesk for headings, Hanken Grotesk for
   text, DM Mono for cells. */
:root {
  --ink: #0E2F2B; --ink-2: #1D4540; --green: #1FA572; --green-d: #157A54; --mint: #3DD598; --mint-l: #DDF6EA;
  --paper: #FBFAF5; --card: #FFFFFF; --line: #DCE3DD; --line-2: #C6D1C9; --muted: #56655F; --hi: #F6C945; --hi-l: #FFF4CC;
  --err: #B3261E; --r: 14px; --head: 'Cabinet Grotesk', system-ui, sans-serif; --body: 'Hanken Grotesk', system-ui, sans-serif; --mono: 'DM Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 84px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--body); }
img, svg { max-width: 100%; }
a { color: var(--green-d); text-underline-offset: 3px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 3px solid var(--hi); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3, h4 { font-family: var(--head); line-height: 1.08; letter-spacing: -.02em; margin: 0 0 .5em; font-weight: 800; }
h1 { font-size: clamp(34px, 5.4vw, 64px); letter-spacing: -.035em; }
h2 { font-size: clamp(26px, 3.2vw, 38px); }
h3 { font-size: 21px; letter-spacing: -.01em; }
p { margin: 0 0 1em; }
.wrap { width: min(1180px, 100% - 40px); margin: 0 auto; }
.narrow { width: min(760px, 100% - 40px); margin: 0 auto; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; z-index: 50; border-radius: 8px; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--ink); color: #fff; border: 0; border-radius: 999px; padding: 12px 22px; font: 700 16px/1.2 var(--body); text-decoration: none; cursor: pointer; }
.btn:hover { background: var(--ink-2); color: #fff; }
.btn.alt { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 2px var(--ink); }
.btn.alt:hover { background: var(--ink); color: #fff; }
.btn.go { background: var(--green); }
.btn.go:hover { background: var(--green-d); }
.btn:disabled { opacity: .6; cursor: progress; }

/* header */
.site-head { position: sticky; top: 0; z-index: 20; background: rgba(251, 250, 245, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-head .wrap { display: flex; align-items: center; gap: 22px; min-height: 68px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font: 800 25px/1 var(--head); letter-spacing: -.04em; }
.brand svg { width: 34px; height: 34px; flex: none; }
.site-head nav { display: flex; gap: 4px; margin-left: auto; }
.site-head nav a { color: var(--ink); text-decoration: none; padding: 8px 12px; border-radius: 8px; font-weight: 600; font-size: 15.5px; }
.site-head nav a:hover, .site-head nav a[aria-current] { background: var(--mint-l); }
.menu-toggle { display: none; margin-left: auto; background: none; border: 2px solid var(--ink); border-radius: 999px; padding: 6px 14px; font: 700 15px var(--body); color: var(--ink); }
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .site-head .wrap { flex-wrap: wrap; }
  .site-head nav { display: none; width: 100%; flex-direction: column; padding: 4px 0 14px; margin: 0; }
  .site-head nav.open { display: flex; }
  .site-head nav a { padding: 12px; font-size: 17px; }
}

/* hero */
.hero { padding: 64px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero .lede { font-size: 20px; color: var(--ink-2); max-width: 34em; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font: 600 14px/1 var(--body); color: var(--green-d); background: var(--mint-l); padding: 7px 12px; border-radius: 999px; margin-bottom: 18px; }
@media (max-width: 900px) { .hero { padding: 36px 0 24px; } .hero .wrap { grid-template-columns: 1fr; gap: 28px; } .hero .lede { font-size: 18px; } }

/* hero animation: two small tables slide their rows into one */
.mix { position: relative; background: var(--card); border: 1px solid var(--line); border-radius: 22px; padding: 22px; box-shadow: 0 18px 40px -24px rgba(14, 47, 43, .35); }
.mix .ins { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mini { font: 500 12.5px/1 var(--mono); border-radius: 10px; overflow: hidden; border: 1px solid var(--line); }
.mini .t { font: 700 12px/1 var(--body); padding: 8px 10px; background: #F1F4EF; color: var(--muted); display: flex; justify-content: space-between; }
.mini .r { display: grid; grid-template-columns: 1fr 1.3fr; border-top: 1px solid var(--line); }
.mini .r span { padding: 8px 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mini .r span + span { border-left: 1px solid var(--line); }
.mini .h { background: #F7F9F5; font-weight: 600; color: var(--ink-2); }
.mix .arrow { display: flex; justify-content: center; padding: 10px 0; color: var(--green); }
.mix .arrow svg { width: 28px; height: 28px; }
.out3 .r { grid-template-columns: .9fr 1.2fr 1fr; }
.a-row { background: #fff; } .b-row { background: var(--mint-l); }
.out3 .r .b { background: var(--mint-l); }
@media (prefers-reduced-motion: no-preference) {
  .mix .ins .mini .r:not(.h) { animation: lift 6s ease-in-out infinite; }
  .mix .ins .mini .r:nth-child(4) { animation-delay: .25s; } .mix .ins .mini .r:nth-child(5) { animation-delay: .5s; }
  .out3 .r:not(.h) { animation: drop 6s ease-in-out infinite; opacity: 0; }
  .out3 .r:nth-child(4) { animation-delay: .25s; } .out3 .r:nth-child(5) { animation-delay: .5s; }
  .out3 .r .b { animation: fill 6s ease-in-out infinite; }
  .mix .arrow svg { animation: nudge 6s ease-in-out infinite; }
}
@keyframes lift { 0%, 4% { background: #fff; } 10%, 18% { background: var(--hi-l); } 28%, 100% { background: #fff; } }
@keyframes drop { 0%, 10% { opacity: 0; transform: translateY(-10px); } 22%, 92% { opacity: 1; transform: none; } 100% { opacity: 0; } }
@keyframes fill { 0%, 24% { color: transparent; } 34%, 100% { color: inherit; } }
@keyframes nudge { 0%, 10% { transform: none; } 16% { transform: translateY(5px); } 22%, 100% { transform: none; } }

/* sections */
.sec { padding: 56px 0; }
.tool-hero + .sec { padding-top: 24px; }
.sec.tint { background: #F1F4EF; border-block: 1px solid var(--line); }
.sec-head { max-width: 46em; margin-bottom: 28px; }
.sec-head p { color: var(--muted); font-size: 18px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cards.two { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: 22px; display: flex; flex-direction: column; gap: 6px; text-decoration: none; color: var(--ink); position: relative; transition: border-color .15s, transform .15s, box-shadow .15s; }
a.card:hover { border-color: var(--green); transform: translateY(-2px); box-shadow: 0 12px 28px -20px rgba(14, 47, 43, .5); color: var(--ink); }
.card h3 { margin: 6px 0 2px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card .ic { width: 44px; height: 44px; border-radius: 12px; background: var(--mint-l); display: grid; place-items: center; color: var(--green-d); }
.card .ic svg { width: 26px; height: 26px; }
.card.wide { grid-column: 1 / -1; }
.card.wide .related { margin-top: 10px; }
.card.lead { grid-column: span 2; background: var(--ink); color: #fff; border-color: var(--ink); }
.card.lead p { color: #CFE3DA; }
.card.lead .ic { background: rgba(61, 213, 152, .16); color: var(--mint); }
a.card.lead:hover { color: #fff; border-color: var(--mint); }
.card .more { margin-top: auto; padding-top: 10px; font-weight: 700; color: var(--green-d); font-size: 15px; }
.card.lead .more { color: var(--mint); }
@media (max-width: 900px) { .cards, .cards.two { grid-template-columns: 1fr; } .card.lead, .card.wide { grid-column: auto; } }

.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.points h3 { font-size: 19px; }
.points p { color: var(--muted); font-size: 16px; }
@media (max-width: 900px) { .points { grid-template-columns: 1fr; gap: 8px; } }

.band { background: var(--ink); color: #fff; border-radius: 22px; padding: 36px; display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; }
.band h2 { color: #fff; margin-bottom: 8px; }
.band p { color: #CFE3DA; margin: 0; max-width: 40em; }
.band .btn { background: var(--mint); color: var(--ink); }
.band .btn:hover { background: #fff; }
@media (max-width: 760px) { .band { grid-template-columns: 1fr; padding: 26px 22px; } }

/* tool pages */
.tool-hero { padding: 44px 0 18px; }
.tool-hero h1 { font-size: clamp(32px, 4.4vw, 52px); max-width: 18em; }
.tool-hero .lede { font-size: 19px; color: var(--ink-2); max-width: 40em; }
.private { display: flex; gap: 10px; align-items: flex-start; background: var(--mint-l); color: var(--ink); border-radius: 12px; padding: 12px 14px; font-size: 15.5px; max-width: 46em; margin: 0; }
.private svg { flex: none; width: 20px; height: 20px; margin-top: 2px; color: var(--green-d); }
.tool { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 8px 26px; margin: 22px 0 10px; box-shadow: 0 18px 40px -30px rgba(14, 47, 43, .4); }
.step { padding: 22px 0; }
.step + .step { border-top: 1px solid var(--line); }
.step > h2 { font-size: 22px; display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.step > h2 .n { width: 30px; height: 30px; border-radius: 50%; background: var(--ink); color: #fff; display: grid; place-items: center; font: 800 16px/1 var(--head); flex: none; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.pair h3 { font-size: 17px; margin-bottom: 8px; }
@media (max-width: 760px) { .tool { padding: 4px 16px; border-radius: 16px; } .pair { grid-template-columns: 1fr; } }
.drop { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 6px; border: 2px dashed var(--line-2); border-radius: 16px; padding: 34px 18px; cursor: pointer; background: #FAFCF9; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over, .drop:focus-within { border-color: var(--green); background: var(--mint-l); }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop b { font: 800 19px/1.2 var(--head); }
.drop b u { text-decoration-color: var(--green); text-decoration-thickness: 2px; text-underline-offset: 3px; }
.drop small { color: var(--muted); font-size: 14.5px; }
.drop svg { width: 34px; height: 34px; color: var(--green); }
.files { list-style: none; margin: 12px 0 0; padding: 0; display: grid; gap: 8px; }
.file { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 12px; background: #fff; flex-wrap: wrap; }
.file .fi { width: 28px; height: 34px; border-radius: 5px; background: var(--mint-l); box-shadow: inset 0 0 0 2px var(--green); flex: none; }
.file .fn { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.file .fn b { overflow-wrap: anywhere; font-weight: 700; font-size: 15.5px; }
.file .fn small { color: var(--muted); font-size: 13.5px; }
.file .fs select { max-width: 200px; }
.file .x { border: 0; background: #F1F4EF; width: 34px; height: 34px; border-radius: 50%; font-size: 20px; line-height: 1; cursor: pointer; color: var(--ink); }
.file .x:hover { background: #FBE3E1; color: var(--err); }
.opts { display: grid; gap: 14px; }
.opts .row { display: flex; flex-wrap: wrap; gap: 10px 22px; align-items: center; }
fieldset { border: 0; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px 18px; }
legend { font-weight: 700; margin-bottom: 8px; padding: 0; width: 100%; }
.check { display: inline-flex; gap: 8px; align-items: flex-start; cursor: pointer; font-size: 16px; }
.check input[type=checkbox], .check input[type=radio] { width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--green); flex: none; }
.check input[type=number], .check select { margin: -8px 2px 0; padding: 6px 10px; }
.check input[type=number] { width: 104px; }
select, input[type=text], input[type=number] { font: 16px var(--body); color: var(--ink); border: 1px solid var(--line-2); border-radius: 10px; padding: 9px 12px; background: #fff; max-width: 100%; }
input[type=number] { width: 120px; }
.field { display: inline-flex; flex-direction: column; gap: 4px; font-weight: 600; font-size: 15px; }
.field select, .field input { font-weight: 400; }
.colbox { display: flex; flex-wrap: wrap; gap: 6px 16px; max-height: 220px; overflow: auto; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: #FAFCF9; }
.pick-label { font-weight: 600; font-size: 15px; margin: 0 0 6px; }
.pick-label .linkish { margin-left: 8px; }
.linkish { background: none; border: 0; color: var(--green-d); font: 600 15px var(--body); text-decoration: underline; cursor: pointer; padding: 0; }
.colist { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; max-height: 360px; overflow: auto; }
.colist li { display: grid; grid-template-columns: auto 1fr auto auto; gap: 8px; align-items: center; padding: 6px 8px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.colist li .ren input { width: 100%; }
.colist .mv { display: flex; gap: 4px; }
.colist .mv button { width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line-2); background: #fff; cursor: pointer; font-size: 15px; }
.colist li .ren { display: block; min-width: 0; }
@media (max-width: 560px) { .colist li { grid-template-columns: auto 1fr auto; } .colist li > .check { grid-column: 1; grid-row: 1; } .colist li .ren { grid-column: 2; grid-row: 1; } .colist .mv { grid-column: 3; grid-row: 1; } .colist li select { grid-column: 2 / 4; grid-row: 2; } }
.say { margin: 10px 0 0; font-size: 15.5px; color: var(--ink-2); }
.say.err { color: var(--err); font-weight: 600; }
.stats { background: var(--hi-l); border-radius: 10px; padding: 10px 14px; margin: 0 0 14px; }
.grid-wrap { overflow: auto; max-height: 460px; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.grid { border-collapse: separate; border-spacing: 0; font: 13.5px/1.35 var(--mono); width: max-content; min-width: 100%; }
.grid th, .grid td { padding: 7px 12px; border-bottom: 1px solid var(--line); border-right: 1px solid var(--line); text-align: left; white-space: pre; max-width: 340px; overflow: hidden; text-overflow: ellipsis; vertical-align: top; }
.grid thead th { position: sticky; top: 0; background: #EEF3EE; font-weight: 500; z-index: 1; color: var(--ink); }
.grid .rn { color: #8A9893; background: #F7F9F5; text-align: right; position: sticky; left: 0; }
.grid thead .rn { z-index: 2; background: #EEF3EE; }
.grid-note { font-size: 14px; color: var(--muted); margin: 8px 0 0; }
.out { display: flex; flex-wrap: wrap; align-items: flex-end; gap: 14px 20px; margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--line-2); }
.out .say { width: 100%; margin: 0; }

/* prose (guides, legal) */
.page-head { padding: 48px 0 8px; }
.page-head .lede { font-size: 19px; color: var(--ink-2); }
.prose { padding: 8px 0 56px; }
.prose h2 { font-size: 28px; margin-top: 1.6em; }
.prose h3 { margin-top: 1.4em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1em; }
.prose li { margin-bottom: .35em; }
.prose code, .prose kbd { font: 14.5px var(--mono); background: #EEF3EE; padding: 2px 6px; border-radius: 6px; }
.prose table { border-collapse: collapse; width: 100%; font-size: 15.5px; margin: 0 0 1.2em; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
.prose th { background: #EEF3EE; }
.prose .note { background: var(--mint-l); border-radius: 12px; padding: 14px 16px; }
.prose .tryit { margin: 1.4em 0; }
details { border: 1px solid var(--line); border-radius: 12px; background: #fff; margin-bottom: 10px; }
details summary { cursor: pointer; padding: 14px 18px; font-weight: 700; list-style: none; position: relative; padding-right: 44px; }
details summary::-webkit-details-marker { display: none; }
details summary::after { content: '+'; position: absolute; right: 18px; top: 10px; font: 400 24px/1 var(--body); color: var(--green); }
details[open] summary::after { content: '−'; }
details > :not(summary) { padding: 0 18px; }
details > p:last-child { padding-bottom: 14px; }
.crumbs { font-size: 14.5px; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); }
.related, .prose .related { display: flex; padding-left: 0; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.related a { display: inline-block; padding: 8px 14px; border: 1px solid var(--line-2); border-radius: 999px; text-decoration: none; color: var(--ink); font-weight: 600; font-size: 15px; background: #fff; }
.related a:hover { border-color: var(--green); background: var(--mint-l); }
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 10px 0 30px; }
@media (max-width: 760px) { .contact-grid { grid-template-columns: 1fr; } }
.big { font: 800 22px/1.2 var(--head); overflow-wrap: anywhere; }

/* footer */
.site-foot { background: var(--ink); color: #CFE3DA; margin-top: 40px; padding: 48px 0 28px; font-size: 15.5px; }
.site-foot a { color: #fff; }
.site-foot .brand { color: #fff; }
.site-foot .cols { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 28px; }
.site-foot h2 { color: #fff; font-size: 16px; letter-spacing: 0; margin: 4px 0 10px; }
.site-foot ul { list-style: none; padding: 0; margin: 0; }
.site-foot li { margin-bottom: 6px; }
.site-foot ul a { color: #CFE3DA; text-decoration: none; }
.site-foot ul a:hover { color: #fff; text-decoration: underline; }
.site-foot .legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; border-top: 1px solid rgba(255, 255, 255, .14); margin-top: 32px; padding-top: 18px; font-size: 14px; }
@media (max-width: 900px) { .site-foot .cols { grid-template-columns: 1fr 1fr; } .site-foot .cols > div:first-child { grid-column: 1 / -1; } }
.nf { padding: 80px 0; text-align: center; }
@media (max-width: 560px) { .prose table { font-size: 14px; } .prose th, .prose td { padding: 6px 8px; } }