/* Founder's Promise: the founder who answers and the teammate who never sleeps. Built on the blog's
   paper, ink and signal; classes are ab-* so nothing collides with the homepage. Motion lives in js/promise.js. */
@font-face{font-family:"Mrs Saint Delafield";src:url("../assets/fonts/MrsSaintDelafield.woff2") format("woff2");font-weight:400;font-display:swap}
.abp main{padding-top:0}
.abp .nav{color:var(--nav-fg,#F3EFE6)}
.abp [data-dark]{background:var(--ink);color:#F3EFE6;--fg:#F3EFE6;--fg-soft:rgba(243,239,230,.56);--fg-line:rgba(243,239,230,.18)}
.abp [data-dark] .kicker{color:var(--fg-soft)}
.abp [data-paper2]{background:var(--paper-2)}
.abp section{position:relative}
.abp em{font-style:normal}
.abp.js [data-rv],.abp.js [data-line]{opacity:0}

/* the kinetic headings: every word rises out of its own mask */
.ab-w{display:inline-block;overflow:hidden;vertical-align:top;padding:.06em .03em .16em;margin:-.06em -.03em -.16em}
.ab-w>span{display:inline-block}
.abp.js [data-words] .ab-w>span{transform:translateY(110%)}

.ab-h1,.ab-h2{font-family:var(--f-display);font-weight:500;letter-spacing:-.045em;text-wrap:balance}
.ab-h1 em,.ab-h2 em{color:var(--soft)}
[data-dark] .ab-h1 em,[data-dark] .ab-h2 em{color:rgba(243,239,230,.42)}
.ab-h2{font-size:clamp(36px,4.6vw,72px);line-height:.98;max-width:16ch;margin:18px 0 clamp(40px,6vh,64px)}

/* 1 · hero: two halves, the founder and Quanta, joined by a red seam; scrolling parts them ---------- */
.ab-hero{height:210vh;background:#060608}
.ab-pin{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.ab-half{position:absolute;top:0;bottom:0;width:50%;overflow:hidden;z-index:2;background:#060608;will-change:transform}
.ab-hl{left:0}.ab-hr{right:0}
.ab-img{position:absolute;inset:0;will-change:transform}
.ab-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ab-hl img{object-position:50% 30%}
.ab-hr img{object-position:50% 12%}
.ab-half::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(6,6,8,.55),rgba(6,6,8,0) 22%,rgba(6,6,8,0) 48%,rgba(6,6,8,.92) 88%,#060608)}
.ab-glow{position:absolute;left:50%;top:21%;width:62%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,rgba(255,120,80,.38),rgba(245,54,44,.12) 42%,rgba(245,54,44,0) 68%);mix-blend-mode:screen;pointer-events:none}
.ab-tag{position:absolute;z-index:1;top:clamp(96px,13vh,124px);left:clamp(20px,3.4vw,56px);display:flex;flex-direction:column;gap:3px}
.ab-tag b{font-weight:500;font-size:15px}
.ab-tag span{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(243,239,230,.55)}
.ab-hcap{position:absolute;z-index:1;left:clamp(20px,3.4vw,56px);right:clamp(20px,3vw,48px);bottom:clamp(40px,8vh,84px);display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.ab-h1{font-size:clamp(40px,4.7vw,78px);line-height:.95;max-width:10.5ch;color:#F3EFE6}
.ab-hr .ab-h1{color:rgba(243,239,230,.5)}
.ab-hcap .ab-live{padding:0}
.ab-half>.ab-hcap,.ab-half>.ab-tag{filter:opacity(var(--fade,1))}
.ab-seam{position:absolute;z-index:3;left:50%;top:0;bottom:0;width:1.5px;margin-left:-.75px;background:var(--signal);box-shadow:0 0 18px rgba(245,54,44,.8);transform-origin:50% 0}
.ab-gap{position:absolute;inset:0;z-index:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;text-align:center;padding:0 24px}
.ab-gap-t{max-width:30ch;font-family:var(--f-display);font-weight:500;font-size:clamp(22px,2.2vw,34px);line-height:1.22;letter-spacing:-.025em;color:#F3EFE6;text-wrap:balance}
.ab-cue{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--signal)}
.ab-scroll{position:absolute;z-index:4;left:50%;bottom:22px;transform:translateX(-50%);padding:6px 12px;border-radius:999px;background:#060608;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:rgba(243,239,230,.6)}

/* 2 · the story --------------------------------------------------------- */
.ab-story{padding:clamp(100px,15vh,170px) 0}
.ab-story-in{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:clamp(32px,5vw,80px)}
.ab-story-l{position:sticky;top:120px;align-self:start}
.ab-num{position:relative;height:1em;overflow:hidden;margin-top:26px;font-family:var(--f-display);font-weight:500;font-size:clamp(96px,11vw,176px);line-height:1;letter-spacing:-.06em;color:var(--ink)}
.ab-num span{display:block;height:1em;transform:translateY(calc(var(--n,0)*-100%))}
.ab-bar{width:min(220px,80%);height:2px;margin-top:22px;background:var(--line)}
.ab-bar i{display:block;height:100%;background:var(--signal);transform:scaleX(0);transform-origin:0 50%}
.ab-ch+.ab-ch{margin-top:clamp(90px,16vh,170px)}
.ab-ch h2{font-family:var(--f-display);font-weight:500;font-size:clamp(30px,3.3vw,52px);line-height:1.02;letter-spacing:-.035em;max-width:17ch;margin-bottom:24px;text-wrap:balance}
.ab-ch p{font-size:clamp(16px,1.25vw,18.5px);line-height:1.65;color:var(--soft);max-width:58ch}
.ab-ch p+p{margin-top:16px}
.ab-ch a{color:var(--ink);text-decoration:underline;text-decoration-color:var(--signal);text-decoration-thickness:1.5px;text-underline-offset:3px}
.ab-pull{margin:38px 0 0;padding-left:26px;border-left:2px solid var(--signal);font-family:var(--f-display);font-weight:500;font-size:clamp(22px,2.2vw,32px);line-height:1.2;letter-spacing:-.025em;color:var(--ink);max-width:26ch}
.ab-ch p.ab-sign{margin-top:34px;font-family:var(--f-display);font-weight:500;font-size:clamp(24px,2.2vw,32px);letter-spacing:-.03em;color:var(--ink)}
.ab-sign b{font-weight:500;color:var(--signal)}

/* 3 · what we believe ----------------------------------------------------- */
.ab-believe{padding:clamp(100px,15vh,170px) 0}
.ab-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.ab-card{display:flex;flex-direction:column;padding:26px;border-radius:22px;background:var(--panel);border:1px solid var(--line)}
.ab-card em{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;color:var(--signal)}
.ab-card b{margin-top:clamp(56px,9vh,96px);font-family:var(--f-display);font-weight:500;font-size:clamp(21px,1.7vw,25px);line-height:1.12;letter-spacing:-.025em}
.ab-card p{margin-top:12px;font-size:15px;line-height:1.55;color:var(--soft)}

/* 4 · the team ------------------------------------------------------------ */
.ab-team{padding:clamp(100px,15vh,170px) 0}
.ab-crew{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.ab-mem{display:flex;flex-direction:column;border-radius:24px;overflow:hidden;background:var(--ink-2);border:1px solid rgba(243,239,230,.08)}
.ab-mem>img,.ab-code{width:100%;height:auto;aspect-ratio:5/4;object-fit:cover;background:#09090D}
.ab-mem>img{object-position:50% 8%}
.ab-mem-q>img{object-position:50% 14%}
.ab-mem>div:last-child{display:flex;flex-direction:column;align-items:flex-start;padding:24px 26px 28px;flex:1}
.ab-mem b{font-weight:500;font-size:21px;letter-spacing:-.02em}
.ab-mem>div:last-child>span:not(.ab-live){margin-top:4px;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--signal)}
.ab-mem p{margin-top:14px;font-size:15px;line-height:1.55;color:rgba(243,239,230,.64)}
.ab-li{display:inline-flex;align-items:center;gap:9px;margin-top:auto;padding:10px 16px;border-radius:999px;border:1px solid rgba(243,239,230,.18);font-size:14px;font-weight:500;transition:border-color .3s,background .3s}
.ab-mem p+.ab-li,.ab-mem p+.ab-live{margin-top:22px}
.ab-li:hover{border-color:var(--signal);background:rgba(245,54,44,.08)}
.ab-li svg{width:15px;height:15px}
.ab-live{display:inline-flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#4ADE80;padding:10px 0}
.ab-live i{width:8px;height:8px;border-radius:50%;background:#4ADE80;box-shadow:0 0 0 0 rgba(74,222,128,.5)}
.ab-code{display:flex;flex-direction:column;justify-content:center;gap:12px;padding:0 clamp(22px,2.4vw,34px);font-family:var(--f-mono);font-size:clamp(12.5px,1vw,14.5px);color:#CFC9BE;border-bottom:1px solid rgba(243,239,230,.06)}
.ab-code em{color:var(--signal)}
.ab-code .ab-dim{color:#6E6B76}
.ab-code .ab-ok{color:#4ADE80}
.ab-caret{display:inline-block;width:.55em;height:1.05em;margin-left:4px;vertical-align:-.18em;background:#CFC9BE}

/* 5 · the founder's promise ------------------------------------------------ */
.ab-promise{padding:clamp(100px,15vh,170px) 0}
.ab-promise-in{display:flex;justify-content:center}
.ab-letter{width:100%;max-width:840px;padding:clamp(28px,5.4vw,76px);border-radius:28px;background:var(--panel);border:1px solid var(--line);box-shadow:0 50px 90px -60px rgba(22,17,14,.45)}
.ab-letter h2{margin:20px 0 30px;font-family:var(--f-display);font-weight:500;font-size:clamp(30px,3.6vw,52px);line-height:1.04;letter-spacing:-.035em;text-wrap:balance}
.ab-letter ol{list-style:none;margin:0;padding:0;counter-reset:ab}
.ab-letter li{counter-increment:ab;position:relative;padding:22px 0 22px 58px;border-top:1px solid var(--line);font-size:clamp(15.5px,1.2vw,17.5px);line-height:1.6;color:var(--soft)}
.ab-letter li::before{content:"0" counter(ab);position:absolute;left:0;top:25px;font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;color:var(--signal)}
.ab-letter li b{font-weight:500;color:var(--ink)}
.ab-sig{display:flex;align-items:flex-end;gap:20px;padding-top:30px;border-top:1px solid var(--line)}
.ab-sig img{width:56px;height:56px;aspect-ratio:1;border-radius:50%;object-fit:cover;flex:none;margin-bottom:-8px}
/* the same signature as the job description on the homepage */
.ab-sigline{position:relative;min-width:min(300px,60%);padding-top:34px;border-bottom:1px solid rgba(22,17,14,.4)}
.ab-sigline small{position:absolute;left:0;top:calc(100% + 6px);font-size:12px;color:var(--soft);white-space:nowrap}
.ab-sigt{display:inline-block;padding:0 10px 10px 4px;font-family:"Mrs Saint Delafield",cursive;font-size:60px;line-height:.6;color:#1B2A6B;white-space:nowrap;clip-path:inset(0 100% 0 0)}
.ab-sig+.ab-acts{margin-top:46px}
.ab-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* 6 · building in public ---------------------------------------------------- */
.ab-public{padding:clamp(100px,15vh,170px) 0}
.ab-public .ab-h2{margin-bottom:22px}
.ab-sub{font-size:clamp(16px,1.3vw,19px);line-height:1.6;color:rgba(243,239,230,.64);max-width:56ch;margin-bottom:clamp(40px,6vh,64px)}
.ab-tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.ab-tile{position:relative;display:flex;flex-direction:column;min-height:230px;padding:26px;border-radius:22px;background:var(--ink-2);border:1px solid rgba(243,239,230,.09);transition:border-color .35s,background .35s}
.ab-tile:hover{border-color:rgba(245,54,44,.6);background:#2A211C}
.ab-tile em{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--signal)}
.ab-tile b{margin-top:auto;font-family:var(--f-display);font-weight:500;font-size:clamp(22px,1.8vw,26px);letter-spacing:-.025em}
.ab-tile span{margin-top:6px;font-size:15px;color:rgba(243,239,230,.6)}
.ab-tile i{position:absolute;top:22px;right:24px;font-style:normal;font-size:20px;color:rgba(243,239,230,.45);transition:color .3s,transform .35s var(--ease)}
.ab-tile:hover i{color:var(--signal);transform:translate(2px,-2px)}

/* 7 · the close ----------------------------------------------------------- */
.ab-close{padding:clamp(120px,20vh,210px) 0}
.ab-close-in{display:flex;flex-direction:column;align-items:center;text-align:center}
.ab-close .ab-h2{font-size:clamp(44px,6.6vw,108px);max-width:none;margin:0}
.ab-close .ab-acts{justify-content:center;margin-top:40px}
.ab-fine{margin-top:20px;font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--soft)}

/* responsive ---------------------------------------------------------------- */
@media (max-width:1060px){
  .ab-cards,.ab-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ab-crew{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ab-mem-dev{grid-column:1/-1;flex-direction:row}
  .ab-mem-dev .ab-code{width:46%;aspect-ratio:auto;min-height:220px;border-bottom:0;border-right:1px solid rgba(243,239,230,.06)}
}
@media (max-width:760px){
  .ab-half{width:100%;height:50%;bottom:auto}
  .ab-hl{top:0}.ab-hr{top:50%}
  .ab-hl img{object-position:50% 34%}
  .ab-hr img{object-position:50% 16%}
  .ab-tag{top:16px;left:auto;right:16px;align-items:flex-end;text-align:right}
  .ab-hl .ab-tag{top:84px}
  .ab-hcap{left:16px;right:16px;bottom:18px;gap:10px}
  .ab-hcap .kicker{display:none}
  .ab-h1{font-size:clamp(30px,8.6vw,40px);max-width:none}
  .ab-hl .ab-h1{max-width:none}
  .ab-seam{left:0;right:0;top:50%;bottom:auto;width:auto;height:1.5px;margin:-.75px 0 0;transform-origin:0 50%}
  .ab-scroll{display:none}
  .ab-story-in{grid-template-columns:1fr}
  .ab-story-l{position:static}
  .ab-num,.ab-bar{display:none}
  .ab-ch::before{content:"0" attr(data-ch);display:block;margin-bottom:14px;font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;color:var(--signal)}
  .ab-ch[data-ch="0"]::before{content:"01"}.ab-ch[data-ch="1"]::before{content:"02"}.ab-ch[data-ch="2"]::before{content:"03"}
  .ab-cards,.ab-tiles,.ab-crew{grid-template-columns:1fr}
  .ab-card b{margin-top:34px}
  .ab-tile{min-height:0}.ab-tile b{margin-top:30px}
  .ab-mem-dev{flex-direction:column}
  .ab-mem-dev .ab-code{width:100%;min-height:0;aspect-ratio:16/9;border-right:0;border-bottom:1px solid rgba(243,239,230,.06)}
  .ab-mem>img{aspect-ratio:4/3}
}
@media (max-width:560px){
  .ab-letter li{padding-left:40px}
  .ab-sigt{font-size:46px}
  .ab-acts .btn{flex:1 1 auto}
}