:root{
  --navy:#2a556e;
  --navy-2:#234a61;
  --cyan:#00d4ff;
  --cyan-dim:#5ec8e0;
  --paper:#2a556e;
  --receipt:#F4F0E6;
  --receipt-ink:#12161c;
  --receipt-muted:#5c6568;
  --receipt-rule:#c5beb0;
  --ink:#f3f7f8;
  --muted:#c5d8e0;
  --rule:#4a7a93;
  --stamp:#00d4ff;

  --display:'Archivo',system-ui,sans-serif;
  --body:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;

  --gut:clamp(1.25rem,4vw,2.5rem);
  --max:1120px;
  --prose:760px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:clamp(1rem,.97rem + .2vw,1.075rem);
  line-height:1.62;
  background-image:
    radial-gradient(ellipse 90% 55% at 50% -20%,rgba(0,212,255,.12),transparent 58%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 3px);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

main{flex:1;min-width:0}

.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut);min-width:0}
.wrap--prose{max-width:min(var(--prose),100%)}

a{color:inherit}
a:hover{color:var(--cyan)}

h1,h2,h3,h4{font-family:var(--display);font-weight:800;letter-spacing:-.02em;line-height:1.06;margin:0}
h1{font-size:clamp(2.1rem,6.4vw,4.2rem)}
h2{font-size:clamp(1.55rem,3.6vw,2.5rem)}
h3{font-size:clamp(1.05rem,2vw,1.2rem);letter-spacing:-.01em}
h4{font-size:1rem}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}

.eyebrow{
  font-family:var(--mono);
  font-size:.7rem;
  font-weight:600;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
  margin:0 0 1.1rem;
  display:flex;align-items:center;gap:.75rem;
}
.eyebrow::after{content:"";flex:1;height:1px;background:var(--rule)}

.lede{font-size:clamp(1.05rem,1rem + .4vw,1.2rem);max-width:58ch}
.muted{color:var(--muted)}
.receipt .muted,.calc .muted,table .muted,.callout .muted,.card .muted,.day .muted,.archive .muted{color:var(--receipt-muted)}
.stamp-ink{color:var(--stamp)}
.fill{background:#1d4258;color:var(--cyan);padding:0 .25em}

/* ---------- header ---------- */
.masthead{
  border-bottom:1px solid var(--rule);
  position:sticky;top:0;z-index:40;
  background:color-mix(in srgb,var(--navy) 88%,transparent);
  backdrop-filter:blur(10px);
}
.masthead__in{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding-block:.7rem;
  position:relative;
}
.masthead__actions{display:none;align-items:center;gap:.5rem;flex-shrink:0}

.mark{
  display:flex;flex-direction:column;align-items:center;gap:.18rem;
  text-decoration:none;line-height:1;color:var(--ink);
}
.mark:hover{color:var(--ink)}
.mark__the{
  font-family:var(--display);font-weight:700;font-size:.62rem;
  letter-spacing:.4em;text-transform:uppercase;color:var(--cyan);
  padding-left:.4em;
}
.mark__lockup{display:flex;align-items:center;gap:.45rem}
.mark__word{
  font-family:var(--display);font-weight:800;font-size:1.02rem;
  letter-spacing:.1em;text-transform:uppercase;color:#f4fbff;
}
.mark__bar{
  width:1.5px;height:.92em;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);
}

.nav{display:flex;align-items:center;gap:1.15rem;font-family:var(--mono);font-size:.75rem;letter-spacing:.04em}
.nav a{text-decoration:none;color:var(--muted);padding-block:.25rem}
.nav a:hover,.nav a[aria-current="page"],.nav a[aria-current="true"]{color:var(--ink)}
.nav__join{
  background:var(--cyan);color:#102838!important;
  padding:.45rem .75rem;text-decoration:none;font-weight:700;
}
.nav__join:hover{background:#f4fbff;color:#102838!important}

.nav-toggle{
  display:none;font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;
  background:transparent;border:1px solid var(--cyan);color:var(--cyan);padding:.4rem .65rem;cursor:pointer;
  min-width:44px;min-height:44px;
}

@media(max-width:760px){
  .masthead__actions{display:flex}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .mark__the{font-size:.5rem;letter-spacing:.32em;padding-left:.32em}
  .mark__word{font-size:.78rem;letter-spacing:.06em}
  .mark__lockup{gap:.32rem}
  .mark{gap:.1rem}
  .nav__join--bar{
    padding:.45rem .7rem;font-size:.7rem;white-space:nowrap;
    min-height:44px;display:inline-flex;align-items:center;
  }
  .nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--navy);border-bottom:1px solid var(--rule);
    padding:.4rem var(--gut) 1rem;
  }
  .masthead.is-open .nav{display:flex}
  .nav a,.nav .nav__join{padding:.75rem 0;min-height:44px;display:flex;align-items:center;border-top:1px solid var(--rule)}
  .nav .nav__join{text-align:center;margin-top:.4rem;justify-content:center}
}

/* ---------- hero / page heads ---------- */
.hero{padding-block:clamp(2.4rem,7vw,5rem) clamp(2.6rem,7vw,5.5rem)}
.hero__grid{display:grid;gap:clamp(2.2rem,5vw,4rem);grid-template-columns:1fr}
@media(min-width:900px){
  .hero__grid{grid-template-columns:minmax(0,1fr) 340px;align-items:start}
}
.hero h1{margin-bottom:1.3rem;max-width:16ch}
.hero h1 em{font-style:normal;color:var(--cyan);text-shadow:0 0 24px rgba(0,212,255,.35)}

.brand-strip{
  background:var(--navy-2);
  border-bottom:1px solid var(--rule);
  overflow:hidden;
}
.brand-strip img{
  display:block;width:100%;
  height:clamp(110px,16vw,176px);
  object-fit:cover;object-position:center 30%;
}

.hero__kicker{
  display:flex;flex-direction:column;align-items:flex-start;gap:.2rem;
  margin:0 0 1.2rem;
}
.hero__week{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan);
}
.hero__tag{
  font-family:var(--display);font-weight:800;font-size:clamp(1.15rem,2.4vw,1.45rem);
  letter-spacing:.04em;text-transform:uppercase;
}

.page-head{padding-block:clamp(2.2rem,6vw,3.6rem) 0}
.page-head h1{margin-bottom:1.1rem;max-width:20ch}
.page-head .lede{margin-bottom:0}

.terms{
  display:flex;flex-wrap:wrap;gap:0 2rem;
  font-family:var(--mono);font-size:.8rem;letter-spacing:.02em;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  padding-block:.8rem;margin-block:1.8rem;
}
.terms b{font-weight:600}
.terms span{color:var(--muted)}

/* ---------- receipt ---------- */
.receipt{font-family:var(--mono);color:var(--receipt-ink);filter:drop-shadow(0 16px 32px rgba(0,212,255,.12))}
.receipt__body{background:var(--receipt);padding:1.6rem 1.5rem 3.6rem;position:relative}
.receipt__edge{
  height:11px;background:var(--receipt);
  -webkit-mask:radial-gradient(circle 6px at 50% 100%,transparent 97%,#000) 0 0/15px 100% repeat-x;
          mask:radial-gradient(circle 6px at 50% 100%,transparent 97%,#000) 0 0/15px 100% repeat-x;
}
.receipt__edge--top{transform:rotate(180deg)}
.receipt__head{text-align:center;border-bottom:1px dashed var(--receipt-rule);padding-bottom:1rem;margin-bottom:1rem}
.receipt__head strong{display:block;font-family:var(--display);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.receipt__head small{display:block;font-size:.65rem;letter-spacing:.18em;text-transform:uppercase;color:var(--receipt-muted);margin-top:.35rem}

.row{display:flex;align-items:baseline;font-size:.82rem;margin-bottom:.5rem}
.row__label{white-space:nowrap}
.row__dots{flex:1;border-bottom:1px dotted var(--rule);margin:0 .45rem;transform:translateY(-.25em)}
.row__val{white-space:nowrap;font-weight:600;font-variant-numeric:tabular-nums}
.row--total{border-top:1px solid var(--cyan);margin-top:.9rem;padding-top:.7rem;font-size:.95rem}
.row--total .row__val{color:var(--cyan)}
.receipt .row__dots{border-bottom-color:var(--receipt-rule)}
.receipt .row--total{border-top-color:var(--receipt-ink)}
.receipt .row--total .row__val{color:#0090b8}

.receipt__note{
  margin-top:1.2rem;padding-top:.9rem;border-top:1px dashed var(--receipt-rule);
  font-size:.68rem;line-height:1.55;color:var(--receipt-muted);text-align:center;
}

.stamp{
  position:absolute;right:.6rem;bottom:.8rem;
  border:2px solid #0090b8;color:#0090b8;
  font-family:var(--display);font-weight:800;font-size:.72rem;letter-spacing:.16em;
  padding:.3rem .55rem;transform:rotate(-11deg);
  border-radius:2px;
  background:var(--receipt);
}

@media(prefers-reduced-motion:no-preference){
  .receipt{animation:print .75s cubic-bezier(.2,.7,.3,1) both}
  @keyframes print{
    from{opacity:0;transform:translateY(-22px) scaleY(.94);transform-origin:top}
    to{opacity:1;transform:none}
  }
}

/* ---------- forms ---------- */
.field input,.field select,.calc input{
  font-family:var(--mono);font-size:.85rem;
  padding:.8rem .9rem;
  border:1px solid var(--receipt-rule);background:var(--receipt);color:var(--receipt-ink);
  border-radius:0;
}

.btn{
  font-family:var(--display);font-weight:800;font-size:.85rem;letter-spacing:.02em;
  padding:.8rem 1.3rem;border:1px solid var(--cyan);border-radius:0;
  background:var(--cyan);color:#102838;cursor:pointer;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
  text-decoration:none;display:inline-block;
}
.btn:hover{background:#f4fbff;border-color:#f4fbff;color:#102838}
.btn--ghost{background:transparent;color:var(--cyan);border-color:var(--cyan)}
.btn--ghost:hover{background:var(--cyan);color:#102838;border-color:var(--cyan)}

:where(a,button,input,select,summary):focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

/* ---------- sections ---------- */
section{border-top:1px solid var(--rule)}
.band{padding-block:clamp(2.6rem,6vw,4.5rem)}
.prose-band{padding-block:clamp(1.6rem,4vw,2.4rem) clamp(3rem,7vw,4.5rem)}

.split{display:grid;gap:clamp(1.8rem,4vw,3.5rem);grid-template-columns:1fr}
@media(min-width:820px){.split{grid-template-columns:minmax(0,26ch) minmax(0,1fr)}}

.ledger{font-family:var(--mono);max-width:36rem}
.ledger .row{font-size:.88rem;margin-bottom:.65rem}

.week{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);margin-top:1.6rem}
@media(min-width:700px){.week{grid-template-columns:repeat(4,1fr)}}
.day{background:var(--receipt);color:var(--receipt-ink);padding:1.1rem}
.day dt{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--receipt-muted);margin-bottom:.4rem}
.day dd{margin:0;font-size:.92rem;line-height:1.5}
.day a{color:var(--receipt-ink)}
.day a:hover{color:#0090b8}

.archive{
  border:1px dashed var(--receipt-rule);padding:clamp(1.6rem,4vw,2.6rem);
  text-align:center;font-family:var(--mono);
  background:var(--receipt);color:var(--receipt-ink);
}
.archive strong{display:block;font-family:var(--display);font-size:1.15rem;margin-bottom:.6rem}
.archive p{font-size:.85rem;color:var(--receipt-muted);max-width:48ch;margin-inline:auto;line-height:1.6}
.archive a{color:var(--receipt-ink)}
.archive a:hover{color:#0090b8}

.risks{list-style:none;padding:0;margin:0;max-width:62ch}
.risks li{padding:.95rem 0;border-bottom:1px solid var(--rule);display:flex;gap:1rem;align-items:baseline}
.risks li:first-child{border-top:1px solid var(--rule)}
.risks b{font-family:var(--mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);flex:0 0 7.2rem}

details.faq{border-bottom:1px solid var(--rule);padding:1rem 0}
details.faq:first-of-type{border-top:1px solid var(--rule)}
details.faq summary{cursor:pointer;font-family:var(--display);font-weight:600;font-size:1rem;list-style:none}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";float:right;font-family:var(--mono);color:var(--muted)}
details.faq[open] summary::after{content:"–"}
details.faq p{margin-top:.7rem;max-width:62ch;font-size:.95rem}

/* ---------- article / legal ---------- */
.article{padding-block:clamp(2rem,5vw,3.2rem) clamp(3rem,7vw,4.5rem)}
.article h2{margin:2.4rem 0 .9rem}
.article h3{margin:1.7rem 0 .55rem}
.article ul,.article ol{padding-left:1.2rem;margin:0 0 1.1rem}
.article li{margin-bottom:.45rem}
.article .lede{margin-bottom:1.4rem}

.callout{background:var(--receipt);color:var(--receipt-ink);border-left:3px solid var(--cyan);padding:1.1rem 1.25rem;margin:1.2rem 0;font-size:.96rem}
.callout strong{font-family:var(--display)}
.callout a{color:var(--receipt-ink)}
.callout a:hover{color:#0090b8}
.callout--quiet{border-left-color:var(--receipt-rule)}

.code-block{
  display:flex;align-items:center;justify-content:space-between;gap:.8rem;flex-wrap:wrap;
  font-family:var(--mono);font-size:1rem;background:var(--receipt);color:var(--receipt-ink);
  border:1px dashed var(--receipt-rule);padding:.85rem 1rem;margin:.9rem 0;
}
.code-block code{letter-spacing:.01em}
.copy-btn{
  font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;
  background:transparent;border:1px solid var(--receipt-ink);color:var(--receipt-ink);padding:.35rem .55rem;cursor:pointer;
}

.shot-slot{
  border:1px dashed var(--receipt-rule);background:var(--receipt);color:var(--receipt-muted);
  min-height:10rem;display:grid;place-items:center;text-align:center;
  padding:1.4rem;margin:1rem 0 1.4rem;font-family:var(--mono);font-size:.78rem;
}

/* steps */
.steps{counter-reset:step;list-style:none;padding:0;margin:2rem 0 0}
.steps > li{counter-increment:step;position:relative;padding:0 0 1.7rem 3.4rem;border-left:1px solid var(--rule);margin-left:1.1rem}
.steps > li:last-child{border-left-color:transparent;padding-bottom:.5rem}
.steps > li::before{
  content:counter(step,decimal-leading-zero);position:absolute;left:-1.1rem;top:-.15rem;
  width:2.2rem;height:2.2rem;display:grid;place-items:center;border-radius:50%;
  background:var(--cyan);color:var(--navy);font-family:var(--mono);font-size:.75rem;font-weight:600
}
.steps h3{font-size:1.05rem;margin-bottom:.4rem}

/* tables */
.table-wrap{
  overflow-x:auto;
  width:100%;
  max-width:min(100%, calc(100vw - 2 * var(--gut)));
  margin:1.2rem 0 1.6rem;
  border:1px solid var(--rule);
  -webkit-overflow-scrolling:touch;
}
.table-wrap > table{width:auto;min-width:100%}
.table-wrap th,.table-wrap td{white-space:nowrap}
.table-wrap::before{
  content:"Swipe for the rest →";
  display:none;
  font-family:var(--mono);
  font-size:.62rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--receipt-muted);
  padding:.45rem .8rem;
  border-bottom:1px solid var(--receipt-rule);
  background:color-mix(in srgb,var(--receipt) 88%,#d9e8ee);
}
.table-wrap.is-scrollable::before{display:block}
table{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--receipt);color:var(--receipt-ink)}
th,td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--receipt-rule);vertical-align:top}
th{font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--receipt-muted);font-weight:600;background:color-mix(in srgb,var(--receipt) 80%,#d4e4ea)}
td{font-variant-numeric:tabular-nums}
tr:last-child td{border-bottom:none}
table a{color:var(--receipt-ink)}
table a:hover{color:#0090b8}
.note{font-family:var(--mono);font-size:.72rem;color:var(--muted);line-height:1.55;margin:0 0 1.4rem}

/* calculator */
.calc{
  background:var(--receipt);border:1px solid var(--receipt-rule);color:var(--receipt-ink);
  padding:1.4rem 1.3rem 1.5rem;margin:1.4rem 0 1.8rem;
}
.calc h3{margin-bottom:.35rem}
.calc__grid{display:grid;gap:.85rem;grid-template-columns:1fr;margin:1.1rem 0}
@media(min-width:640px){.calc__grid{grid-template-columns:repeat(3,1fr)}}
.field label{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem}
.calc .field label,.calc .muted{color:var(--receipt-muted)}
.field input,.field select{width:100%}
.calc__out{font-family:var(--mono);border-top:1px dashed var(--receipt-rule);padding-top:1rem}
.calc__out .row{font-size:.9rem}
.calc .row--total{border-top-color:var(--receipt-ink)}
.calc .row--total .row__val{color:#0090b8}

/* cards / directory */
.cards{display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule);margin:1.4rem 0}
@media(min-width:720px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{background:var(--receipt);color:var(--receipt-ink);padding:1.2rem 1.15rem}
.card h3{margin-bottom:.45rem}
.card p{font-size:.95rem}
.card a{color:var(--receipt-ink)}
.card a:hover{color:#0090b8}

.toc{
  font-family:var(--mono);font-size:.8rem;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  padding-block:.9rem;margin:1.6rem 0 1.2rem;
  display:flex;flex-wrap:wrap;gap:.4rem 1.6rem;
}
.toc a{color:var(--muted);text-decoration:none}
.toc a:hover{color:var(--ink)}

.crumbs{
  font-family:var(--mono);font-size:.72rem;letter-spacing:.02em;color:var(--muted);
  margin:0 0 1.1rem;
}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink)}

.cta-row{display:flex;flex-wrap:wrap;gap:.6rem;margin:1.4rem 0}

/* 404 */
.lost{padding-block:clamp(4rem,12vw,8rem);text-align:center}
.lost h1{margin-bottom:1rem}

/* footer */
.site-footer{border-top:1px solid var(--rule);padding-block:2.4rem 3.4rem;font-family:var(--mono);font-size:.72rem;color:var(--muted);line-height:1.7;background:var(--navy-2)}
.site-footer a{color:var(--ink);text-decoration:none}
.site-footer a:hover{color:var(--cyan)}
.footer__grid{display:grid;gap:1.6rem 2rem}
@media(min-width:800px){.footer__grid{grid-template-columns:1.1fr 2fr}}
.footer__brand{
  display:flex;flex-direction:column;align-items:flex-start;gap:.14rem;
  margin-bottom:.7rem;
}
.footer__cols{display:grid;gap:1rem 1.6rem;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(min-width:720px){.footer__cols{grid-template-columns:repeat(4,minmax(0,1fr))}}
.footer__col-head{font-family:var(--mono);font-size:.62rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 .45rem;font-weight:600}
.footer__cols ul{list-style:none;padding:0;margin:0}
.footer__cols li{margin-bottom:.25rem}
.disclaim{max-width:62ch;margin-top:1.6rem}
.disclosure-line{font-size:.78rem;max-width:52ch;margin:.9rem 0 0}

/* print */
@media print{
  .masthead,.site-footer,.nav-toggle,.btn,.brand-strip{display:none!important}
  body{background:#fff;background-image:none;color:#111}
}