@font-face{font-family:"Young Serif";src:url(/assets/fonts/young-serif-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url(/assets/fonts/hanken-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url(/assets/fonts/hanken-500.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url(/assets/fonts/hanken-600.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url(/assets/fonts/hanken-700.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/assets/fonts/jbmono-400.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(/assets/fonts/jbmono-500.woff2) format("woff2");font-weight:500;font-display:swap}

/* Layout: ledger-sheet metaphor — ruled paper ground, one live "sheet" in the hero, sections as columns of a ledger. */
:root{
  --paper:#F2F5F1; --sheet:#FFFFFF; --ink:#13201A; --muted:#54635B;
  --rule:#D5DEE7; --line:#DAE1DB; --green:#1F5A45; --green-ink:#FFFFFF; --green-soft:#DDEBE3;
  --amber:#9E650A; --amber-soft:#F6E8CB; --red:#A8392D;
  --f-display:"Young Serif", Georgia, "Times New Roman", serif;
  --f-body:"Hanken Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono:"JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --r:6px; --wrap:1160px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#0E1512; --sheet:#151F1A; --ink:#E5EDE8; --muted:#98A9A0;
  --rule:#1F2C33; --line:#25332C; --green:#6CC9A0; --green-ink:#0B1F16; --green-soft:#183429;
  --amber:#E8B24E; --amber-soft:#36290F; --red:#E57B6E; color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#0E1512; --sheet:#151F1A; --ink:#E5EDE8; --muted:#98A9A0;
  --rule:#1F2C33; --line:#25332C; --green:#6CC9A0; --green-ink:#0B1F16; --green-soft:#183429;
  --amber:#E8B24E; --amber-soft:#36290F; --red:#E57B6E; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{background:var(--paper);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:3px}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(16px,4vw,40px)}
h1,h2,h3{font-family:var(--f-display);font-weight:400;line-height:1.08;text-wrap:balance;margin:0}
h2{font-size:clamp(2rem,4.2vw,3.1rem);letter-spacing:-.01em}
h3{font-size:1.3rem}
p{margin:0}
.lede{font-size:1.15rem;color:var(--muted);max-width:60ch}
.eyebrow{font-family:var(--f-mono);font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;color:var(--green)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
section{padding-block:clamp(64px,9vw,120px)}
.sec-head{display:grid;gap:16px;margin-bottom:48px;max-width:760px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font:600 1rem/1 var(--f-body);padding:15px 22px;border-radius:var(--r);text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease, background .15s}
.btn-primary{background:var(--green);color:var(--green-ink)}
.btn-primary:hover{transform:translateY(-1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--sheet)}

/* nav */
header.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-size:1.45rem}
.brand svg{width:28px;height:28px;flex:none}
.nav-links{display:flex;gap:26px;margin-left:auto;font-weight:500;font-size:.95rem}
.nav-links a{text-decoration:none;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.lang{display:flex;border:1.5px solid var(--line);border-radius:999px;padding:3px;font:500 .78rem var(--f-mono)}
.lang button{border:0;background:none;color:var(--muted);padding:5px 10px;border-radius:999px;cursor:pointer;font:inherit}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.nav .btn{padding:10px 16px;font-size:.9rem}
@media (max-width:900px){.nav-links{display:none}.lang{margin-left:auto}}
@media (max-width:480px){.nav .btn{display:none}}

/* hero */
.hero{padding-block:clamp(48px,7vw,96px) clamp(56px,8vw,104px);background-image:repeating-linear-gradient(to bottom,transparent 0 35px,var(--rule) 35px 36px);border-bottom:1px solid var(--line);position:relative}
.hero::before{content:"";position:absolute;inset:0 auto 0 clamp(16px,6vw,72px);width:1px;background:color-mix(in srgb,var(--red) 45%,transparent)}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(32px,5vw,72px);align-items:center;position:relative}
.hero-grid>*{min-width:0}
.hero h1{font-size:clamp(2.7rem,6.4vw,5.2rem);letter-spacing:-.02em;margin-block:20px 24px}
.hero h1 .l2{display:block;color:var(--green)}
.hero .lede{background:var(--paper);box-shadow:0 0 0 8px var(--paper)}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.proof{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:32px;font-size:.92rem;color:var(--muted)}
.proof span{display:flex;align-items:center;gap:8px;background:var(--paper)}
.proof b{color:var(--ink);font-weight:600}
.tick{width:14px;height:14px;border:1.5px solid var(--green);border-radius:2px;display:inline-grid;place-items:center;flex:none}
.tick::after{content:"";width:6px;height:3px;border-left:1.5px solid var(--green);border-bottom:1.5px solid var(--green);transform:rotate(-45deg) translate(1px,-1px)}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}}

/* live ledger sheet */
.sheet{background:var(--sheet);border:1px solid var(--line);border-radius:10px;box-shadow:0 30px 60px -30px color-mix(in srgb,var(--ink) 35%,transparent);overflow:hidden}
.sheet-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;border-bottom:1px solid var(--line);font-size:.85rem}
.sheet-top .live{display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:.72rem;color:var(--green);text-transform:uppercase;letter-spacing:.1em}
.dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 1.6s infinite}
@keyframes pulse{50%{opacity:.25}}
.rows{list-style:none;margin:0;padding:0;min-height:316px}
.row{display:grid;grid-template-columns:minmax(0,1.5fr) auto minmax(0,1fr);gap:4px 14px;padding:12px 18px;border-bottom:1px solid var(--line);align-items:center;font-size:.88rem}
.row.enter{animation:slide .6s cubic-bezier(.2,.8,.2,1)}
@keyframes slide{from{transform:translateY(-14px);background:var(--green-soft)}to{transform:none}}
.row .sup{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .acc{grid-column:1;color:var(--muted);font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .amt{grid-row:1/3;grid-column:2;font-family:var(--f-mono);font-variant-numeric:tabular-nums;text-align:right}
.row .st{grid-row:1/3;grid-column:3;display:flex;flex-direction:column;align-items:flex-end;gap:4px}
.chip{font:500 .68rem var(--f-mono);text-transform:uppercase;letter-spacing:.06em;padding:3px 7px;border-radius:3px;white-space:nowrap}
.chip.layer{color:var(--muted);border:1px solid var(--line)}
.chip.ok{background:var(--green-soft);color:var(--green)}
.chip.prep{background:var(--green-soft);color:var(--green);opacity:.85}
.chip.rev{background:var(--amber-soft);color:var(--amber)}
.sheet-foot{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.sheet-foot div{padding:14px 18px;border-right:1px solid var(--line)}
.sheet-foot div:last-child{border-right:0}
.sheet-foot b{display:block;font:500 1.4rem var(--f-mono);font-variant-numeric:tabular-nums}
.sheet-foot span{font-size:.75rem;color:var(--muted)}
.sheet-note{font-size:.75rem;color:var(--muted);margin-top:10px;text-align:right}

/* integrations */
.integr{padding-block:28px;border-bottom:1px solid var(--line)}
.integr-in{display:flex;flex-wrap:wrap;align-items:center;gap:14px 30px}
.integr .lbl{font:500 .75rem var(--f-mono);text-transform:uppercase;letter-spacing:.12em;color:var(--muted)}
.integr ul{display:flex;flex-wrap:wrap;gap:10px 26px;list-style:none;margin:0;padding:0}
.integr li{display:flex;align-items:center;gap:8px;font-weight:600;font-size:1.02rem}
.integr li small{font:500 .64rem var(--f-mono);text-transform:uppercase;letter-spacing:.08em;padding:2px 6px;border-radius:3px}
.s-live{background:var(--green-soft);color:var(--green)}
.s-soon{border:1px solid var(--line);color:var(--muted)}

/* problem + calculator */
.calc{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.calc>*{min-width:0}
.calc-box{background:var(--sheet);border:1px solid var(--line);border-radius:10px;padding:clamp(20px,3vw,32px);display:grid;gap:22px}
.field{display:grid;gap:8px}
.field label{display:flex;justify-content:space-between;gap:12px;font-weight:500;font-size:.95rem}
.field output{font-family:var(--f-mono);font-variant-numeric:tabular-nums;color:var(--green)}
input[type=range]{width:100%;accent-color:var(--green)}
.result{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.result div{background:var(--paper);padding:16px}
.result b{display:block;font:500 clamp(1.3rem,2.6vw,1.75rem) var(--f-mono);font-variant-numeric:tabular-nums;line-height:1.2}
.result span{font-size:.78rem;color:var(--muted)}
.fine{font-size:.8rem;color:var(--muted)}
.pain{display:grid;gap:12px;margin-top:28px;padding:0;list-style:none}
.pain li{display:grid;grid-template-columns:72px 1fr;gap:14px;padding-block:12px;border-top:1px dashed var(--rule)}
.pain li .mono{color:var(--muted);font-size:.85rem}
@media (max-width:900px){.calc{grid-template-columns:1fr}}
@media (max-width:460px){.result{grid-template-columns:1fr}}

/* how it works */
.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1.5px solid var(--ink);counter-reset:s}
.step{padding:26px 24px 30px 0;border-bottom:1px solid var(--line);display:grid;gap:10px;align-content:start}
.step:not(:nth-child(3n+1)){padding-left:24px;border-left:1px solid var(--line)}
.step .n{font:500 .8rem var(--f-mono);color:var(--green)}
.step p{color:var(--muted);font-size:.98rem}
@media (max-width:860px){.steps{grid-template-columns:1fr 1fr}.step:not(:nth-child(3n+1)){padding-left:0;border-left:0}.step:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}}
@media (max-width:560px){.steps{grid-template-columns:1fr}.step:nth-child(even){padding-left:0;border-left:0}}

/* safety */
.safety{background:var(--ink);color:var(--paper)}
.safety .eyebrow{color:color-mix(in srgb,var(--green) 70%,var(--paper))}
.safety .lede{color:color-mix(in srgb,var(--paper) 72%,transparent)}
.safe-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,72px);align-items:start}
.safe-grid>*{min-width:0}
.cascade{display:grid;gap:8px;margin-top:36px}
.cas{display:grid;grid-template-columns:28px 1fr;gap:14px;align-items:start;padding:14px 16px;border:1px solid color-mix(in srgb,var(--paper) 18%,transparent);border-radius:var(--r)}
.cas .k{font:500 .8rem var(--f-mono);opacity:.6;padding-top:2px}
.cas b{display:block;font-weight:600}
.cas span{font-size:.9rem;opacity:.72}
.cas.human{border-style:dashed}
.gate{border:1px solid color-mix(in srgb,var(--paper) 22%,transparent);border-radius:10px;overflow:hidden}
.gate-h{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid color-mix(in srgb,var(--paper) 18%,transparent);font:500 .78rem var(--f-mono);text-transform:uppercase;letter-spacing:.1em}
.gate-h .pass{color:color-mix(in srgb,var(--green) 70%,var(--paper))}
.gate ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr}
.gate li{display:grid;grid-template-columns:20px 1fr;gap:12px;padding:16px 20px;border-bottom:1px solid color-mix(in srgb,var(--paper) 12%,transparent);font-size:.93rem}
.gate li:nth-child(odd){border-right:1px solid color-mix(in srgb,var(--paper) 12%,transparent)}
.gate li b{display:block;font-weight:600;margin-bottom:2px}
.gate li span{opacity:.7;font-size:.86rem}
.gate .tick{border-color:color-mix(in srgb,var(--green) 70%,var(--paper));margin-top:4px}
.gate .tick::after{border-color:color-mix(in srgb,var(--green) 70%,var(--paper))}
.shadow-box{padding:20px;display:grid;gap:6px;background:color-mix(in srgb,var(--paper) 6%,transparent)}
.shadow-box b{font-family:var(--f-display);font-weight:400;font-size:1.25rem}
.shadow-box span{opacity:.75;font-size:.95rem}
@media (max-width:960px){.safe-grid{grid-template-columns:1fr}}
@media (max-width:560px){.gate ul{grid-template-columns:1fr}.gate li:nth-child(odd){border-right:0}}

/* features */
.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,40px) clamp(24px,3vw,48px)}
.feat{display:grid;gap:10px;align-content:start;padding-top:18px;border-top:1px solid var(--line)}
.feat p{color:var(--muted);font-size:.98rem}
.feat .sample{font:.82rem/1.5 var(--f-mono);background:var(--sheet);border:1px solid var(--line);border-radius:var(--r);padding:10px 12px;color:var(--ink)}
.feat .sample em{font-style:normal;color:var(--green)}
@media (max-width:900px){.feats{grid-template-columns:1fr 1fr}}
@media (max-width:580px){.feats{grid-template-columns:1fr}}

/* audiences */
.aud{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,3vw,32px)}
.aud article{background:var(--sheet);border:1px solid var(--line);border-radius:10px;padding:clamp(22px,3vw,36px);display:grid;gap:14px;align-content:start}
.aud ul{margin:0;padding-left:1.1em;color:var(--muted);display:grid;gap:6px}
@media (max-width:760px){.aud{grid-template-columns:1fr}}

/* comparison */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--sheet)}
table{width:100%;border-collapse:collapse;min-width:640px;font-size:.95rem}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{font:500 .75rem var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
thead th.us{color:var(--green)}
td.us{background:var(--green-soft);font-weight:600}
tbody tr:last-child td{border-bottom:0}
.no{color:var(--muted)}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,24px)}
.plan{border:1px solid var(--line);border-radius:10px;padding:28px;display:grid;gap:16px;align-content:start;background:var(--paper)}
.plan.feat-plan{background:var(--sheet);border:1.5px solid var(--green)}
.plan .price{font:500 2.2rem var(--f-mono);font-variant-numeric:tabular-nums;line-height:1}
.plan .price small{font:400 .85rem var(--f-body);color:var(--muted)}
.plan ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:.95rem}
.plan li{display:flex;gap:10px;align-items:baseline}
.plan .btn{justify-content:center}
.badge{justify-self:start;font:500 .68rem var(--f-mono);text-transform:uppercase;letter-spacing:.08em;background:var(--green);color:var(--green-ink);padding:4px 8px;border-radius:3px}
@media (max-width:900px){.plans{grid-template-columns:1fr}}

/* faq */
.faq{max-width:820px}
details{border-top:1px solid var(--line);padding-block:6px}
details:last-child{border-bottom:1px solid var(--line)}
summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding-block:16px;font-weight:600;font-size:1.08rem}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font:400 1.4rem/1 var(--f-mono);color:var(--green);transition:transform .2s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);padding-bottom:18px;max-width:68ch}

/* final cta */
.final{background:var(--green);color:var(--green-ink);text-align:left}
.final-in{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(28px,5vw,64px);align-items:center}
.final-in>*{min-width:0}
.final h2{font-size:clamp(2.2rem,5vw,3.6rem)}
.final p{opacity:.85;margin-top:16px;max-width:52ch}
form.signup{display:grid;gap:10px}
.signup .inrow{display:flex;gap:8px;flex-wrap:wrap}
.signup input{flex:1 1 220px;min-width:0;font:inherit;padding:14px 16px;border-radius:var(--r);border:1.5px solid color-mix(in srgb,var(--green-ink) 30%,transparent);background:color-mix(in srgb,var(--green-ink) 8%,transparent);color:var(--green-ink)}
.signup input::placeholder{color:color-mix(in srgb,var(--green-ink) 60%,transparent)}
.signup button{background:var(--green-ink);color:var(--green);border:0}
.signup .msg{font-size:.85rem;opacity:.85;min-height:1.4em}
@media (max-width:860px){.final-in{grid-template-columns:1fr}}

footer{padding-block:40px;font-size:.88rem;color:var(--muted)}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center}
.foot-in nav{display:flex;gap:20px;flex-wrap:wrap}
.foot-in a{text-decoration:none}
@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}

html,body{margin:0}
.foot-legal{font-size:.8rem;color:var(--muted);width:100%;border-top:1px solid var(--line);padding-top:16px;margin-top:8px;display:flex;flex-wrap:wrap;gap:6px 18px}
.lang a{text-decoration:none;color:var(--muted);padding:5px 10px;border-radius:999px}
.lang a[aria-current="page"]{background:var(--ink);color:var(--paper)}
details{overflow:hidden}
summary::after{flex:none;width:1em;text-align:center}
.hero h1{font-size:clamp(2.5rem,5.2vw,4.4rem);hyphens:auto;-webkit-hyphens:auto}
.hero-grid{grid-template-columns:1.1fr 1fr}
@media (max-width:960px){.hero-grid{grid-template-columns:1fr}}
html{scroll-behavior:auto}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.legal{max-width:760px;padding-block:64px 96px}
.legal h1{font-size:clamp(2.2rem,5vw,3.2rem);margin-bottom:12px}
.legal h2{font-size:1.5rem;margin-top:40px;margin-bottom:10px}
.legal p,.legal li{color:var(--muted);max-width:68ch}
.legal p+p{margin-top:12px}
.legal ul{padding-left:1.2em;display:grid;gap:6px}