/* Layout: one deep-space sky fixed behind the page; a single centered column where each section opens with a short eyebrow + headline + intro and then uses the full width for its content (two-column where text pairs with data). Instrument panels hold data; mono is reserved for numbers and labels. Deliberately single-theme (dark). */
:root{
  --sky:#060B19;
  --panel:rgba(16,25,52,.62);
  --panel-edge:rgba(170,190,235,.14);
  --panel-hi:rgba(190,210,255,.06);
  --line:rgba(160,178,214,.16);
  --ink:#EEF2FA;
  --text:#C6D0E2;
  --muted:#8E9CB8;
  --accent:#8FB0FF;
  --accent-ink:#071233;
  --accent-soft:rgba(143,176,255,.13);
  --amber:#F2B45A;
  --amber-soft:rgba(242,180,90,.12);
  --display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --body:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --step--1:.84rem;
  --step-0:1.0625rem;
  --step-1:1.25rem;
  --step-2:clamp(1.7rem,2.6vw,2.25rem);
  --step-3:clamp(2.6rem,6vw,4.5rem);
  --radius:10px;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{background:var(--sky);scroll-behavior:smooth;scroll-padding-top:16px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--sky);color:var(--text);font:var(--step-0)/1.65 var(--body);-webkit-font-smoothing:antialiased}
img{max-width:100%}
[hidden]{display:none!important}

/* sky */
.sky{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(1000px 640px at 88% -4%,rgba(76,104,206,.30),transparent 62%),
    radial-gradient(900px 640px at -6% 55%,rgba(42,72,160,.16),transparent 66%),
    radial-gradient(760px 520px at 104% 102%,rgba(96,74,170,.13),transparent 66%),
    linear-gradient(180deg,#040814 0%,var(--sky) 48%,#08112B 100%)}
.sky canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.page{position:relative;z-index:1}

.wrap{max-width:1120px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px));position:relative}
a{color:var(--accent);text-underline-offset:3px}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

h1,h2,h3{font-family:var(--display);color:var(--ink);line-height:1.08;text-wrap:balance;margin:0;font-weight:720;font-stretch:108%;letter-spacing:-.015em}
h2{font-size:var(--step-2)}
h3{font-size:1.1rem;font-weight:680;font-stretch:104%;letter-spacing:-.005em;line-height:1.25}
p{margin:0;max-width:64ch}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.eyebrow{font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.caption{font-size:var(--step--1);color:var(--muted)}
.panel{background:linear-gradient(180deg,var(--panel-hi),transparent 40%),var(--panel);border:1px solid var(--panel-edge);border-radius:var(--radius);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font:600 .95rem/1 var(--body);padding:14px 20px;border-radius:8px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .2s,border-color .2s,box-shadow .2s}
.btn.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 0 0 1px rgba(143,176,255,.4),0 8px 30px -8px rgba(143,176,255,.55)}
.btn.primary:hover{background:#A9C2FF}
.btn.ghost{color:var(--ink);border-color:var(--line);background:rgba(255,255,255,.02)}
.btn.ghost:hover{border-color:rgba(143,176,255,.5)}
.btn.sm{padding:10px 14px;font-size:.88rem;white-space:nowrap}
.btn .short{display:none}

/* header */
header.top{display:flex;align-items:center;gap:28px;padding-block:20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink);margin-right:auto}
.brand b{display:block;font-family:var(--display);font-stretch:118%;font-weight:760;font-size:1.02rem;letter-spacing:.02em;line-height:1.1}
.brand small{display:block;font-size:.76rem;color:var(--muted);margin-top:2px}
nav.links{display:flex;gap:26px}
nav.links a{color:var(--text);text-decoration:none;font-size:.92rem}
nav.links a:hover{color:var(--ink)}

/* hero */
.hero-band{position:relative;overflow:hidden;padding-bottom:24px}
.orbits{position:absolute;right:-200px;top:-140px;width:920px;height:920px;pointer-events:none}
.hero{display:grid;grid-template-columns:1.12fr .88fr;gap:56px;padding-block:64px 72px;align-items:center}
.hero>*{min-width:0}
.status{display:inline-flex;align-items:center;gap:10px;font-size:.84rem;color:var(--amber);background:var(--amber-soft);border:1px solid rgba(242,180,90,.3);border-radius:999px;padding:6px 14px;margin-bottom:28px}
.status i{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 10px currentColor}
.hero h1{font-size:var(--step-3);font-weight:760;letter-spacing:-.025em;line-height:1.02}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero .pitch{margin-top:24px;font-family:var(--display);font-stretch:104%;font-weight:560;font-size:var(--step-1);color:var(--ink);line-height:1.35}
.hero .lede{margin-top:12px;color:var(--text);max-width:52ch}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}

/* dose clock */
.clock{padding:28px}
.clock-head{display:flex;justify-content:space-between;gap:12px;align-items:baseline;margin-bottom:6px}
.clock .row{display:grid;grid-template-columns:1fr auto;gap:8px 12px;padding-block:18px;border-top:1px solid var(--line)}
.clock .row:first-of-type{border-top:0}
.clock .big{font-family:var(--display);font-stretch:112%;font-weight:760;font-size:2.2rem;line-height:1;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.clock .rate{align-self:end;font-family:var(--mono);font-size:.86rem;color:var(--muted)}
.clock .a .big{color:var(--text)}
.clock .d .big{color:var(--accent)}
.clock .cond{grid-column:1/-1;font-size:.82rem;color:var(--muted)}
.bar{grid-column:1/-1;height:6px;background:rgba(255,255,255,.06);border-radius:3px;overflow:hidden}
.bar span{display:block;height:100%;border-radius:3px}
.clock .a .bar span{background:var(--muted);width:1.2%}
.clock .d .bar span{width:100%;background:linear-gradient(90deg,#5F82E8,var(--accent))}
.clock .foot{font-size:.86rem;color:var(--muted);padding-top:16px;border-top:1px solid var(--line)}
@media (prefers-reduced-motion:no-preference){
  .clock .d .bar span{animation:fill 2.6s cubic-bezier(.3,.1,.2,1) both .3s}
  @keyframes fill{from{width:4%}to{width:100%}}
}

/* audience strip */
.built{display:grid;grid-template-columns:auto repeat(4,1fr);gap:28px;align-items:start;padding-block:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.built>*{min-width:0}
.built .eyebrow{padding-top:3px;color:var(--muted)}
.built h3{font-size:.98rem}
.built p{font-size:.86rem;color:var(--muted);margin-top:4px;line-height:1.5}

/* sections */
section{padding-block:104px 0}
.sec-head{display:grid;gap:14px;margin-bottom:40px;max-width:760px}
.sec-head p{color:var(--text)}
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.split>*{min-width:0}
.split .sec-head{margin-bottom:0}
.prose{display:grid;gap:16px}

/* tables */
table{border-collapse:collapse;width:100%;font-size:.95rem}
.tbl{overflow-x:auto}
th,td{text-align:left;padding:14px 20px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr:last-child td{border-bottom:0}
th{font-weight:500;font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:rgba(255,255,255,.02)}
td{color:var(--text)}
td:first-child{color:var(--ink)}
td.num{font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:.9rem}
td.ref{font-family:var(--mono);font-size:.84rem;color:var(--muted);white-space:nowrap}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:500;padding:3px 10px;border-radius:999px;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill.plan{background:var(--accent-soft);color:var(--accent)}
.pill.later{background:rgba(255,255,255,.04);color:var(--text)}
.pill.later::before{background:transparent;border:1px solid currentColor;width:5px;height:5px}
.pill.ref{color:var(--muted);border:1px dashed rgba(142,156,184,.5)}
.pill.ref::before{display:none}
.who-tag{display:inline-block;font-size:.78rem;font-weight:600;padding:2px 10px;border-radius:999px;white-space:nowrap}
.who-tag.lab{background:var(--accent-soft);color:var(--accent)}
.who-tag.you{background:var(--amber-soft);color:var(--amber)}

/* steps */
.steps{list-style:none;margin:0 0 48px;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:s;position:relative}
.steps li{counter-increment:s;display:grid;gap:8px;align-content:start;min-width:0;position:relative;padding-top:44px}
.steps li::before{content:counter(s);position:absolute;top:0;left:0;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:.82rem;color:var(--accent);border:1px solid rgba(143,176,255,.45);background:var(--sky)}
.steps li::after{content:"";position:absolute;top:15px;left:38px;right:-12px;height:1px;background:linear-gradient(90deg,rgba(143,176,255,.4),rgba(143,176,255,.08))}
.steps li:last-child::after{display:none}
.steps p{font-size:.92rem;color:var(--muted);line-height:1.55}
.subhead{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:16px}
.subhead p{font-size:.95rem;color:var(--muted)}

/* exposure record + monitoring */
.recgrid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.recgrid>*{min-width:0}
.record{padding:26px 28px;display:grid;gap:16px}
.rec-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.rec-head .title{font-family:var(--mono);font-size:.82rem;color:var(--ink)}
.stamp{font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);border:1px solid currentColor;padding:3px 9px;border-radius:4px;transform:rotate(-2deg)}
dl{margin:0;display:grid}
dl>div{display:grid;grid-template-columns:160px 1fr;gap:16px;padding-block:9px;border-top:1px solid var(--line)}
dl>div:first-child{border-top:0}
dt{font-size:.84rem;color:var(--muted)}
dd{margin:0;font-family:var(--mono);font-size:.88rem;color:var(--ink);font-variant-numeric:tabular-nums;min-width:0}
.mon{display:grid;gap:16px}
.mon-block{padding:24px 26px;display:grid;gap:12px}
.mon-block .eyebrow.dev{color:var(--muted)}
.mon-block ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.mon-block li{display:flex;gap:10px;align-items:baseline;font-size:.95rem;color:var(--ink)}
.mon-block li::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--accent);transform:translateY(-1px)}
.mon-block.dev li::before{background:transparent;border:1px solid var(--muted);box-shadow:none}
.mon-block p{font-size:.9rem;color:var(--muted)}

/* offerings */
.offers{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.offer{padding:28px;display:grid;gap:14px;align-content:start;min-width:0}
.offer.featured{border-color:rgba(242,180,90,.38);background:linear-gradient(180deg,rgba(242,180,90,.07),transparent 45%),var(--panel)}
.offer .eyebrow.amber{color:var(--amber)}
.offer h3{font-size:1.3rem}
.offer dl>div{grid-template-columns:110px 1fr}
.offer dd{font-family:var(--body);font-size:.95rem;color:var(--text)}
.path{margin-top:20px;padding:24px 28px;display:grid;grid-template-columns:auto 1fr;gap:28px;align-items:start}
.path ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:p}
.path li{counter-increment:p;display:grid;gap:4px;min-width:0}
.path li b{font-family:var(--display);font-stretch:104%;font-weight:680;color:var(--ink);font-size:1rem}
.path li b::before{content:counter(p) ". ";color:var(--accent);font-family:var(--mono);font-weight:400;font-size:.88rem}
.path li span{font-size:.88rem;color:var(--muted);line-height:1.5}
.path .eyebrow{color:var(--muted);padding-top:3px}

/* FAQ */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.faq details{border-top:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;position:relative;font-family:var(--display);font-stretch:104%;font-weight:640;font-size:1.05rem;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:27px;width:10px;height:10px;border-right:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);top:31px}
.faq details p{padding:0 0 22px;color:var(--text);font-size:.97rem}

/* inquiry */
.inquire-band{margin-top:104px;padding-block:72px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(76,104,206,.10),transparent 70%)}
.inquire{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.inquire>*{min-width:0}
.inquire .sec-head{margin-bottom:28px}
.contact-list{display:grid;gap:22px}
.addr{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}
.addr code{font-family:var(--mono);font-size:.95rem;color:var(--ink);background:rgba(255,255,255,.04);border:1px solid var(--line);padding:8px 12px;border-radius:6px;user-select:all;word-break:break-all}
.addr button{font:500 .85rem var(--body);background:transparent;border:1px solid var(--line);color:var(--text);padding:8px 12px;border-radius:6px;cursor:pointer}
.addr button:hover{border-color:rgba(143,176,255,.5);color:var(--ink)}
.formcard{background:#F7F9FD;border-radius:14px;padding:28px 28px 12px;color:#0F1A2B;box-shadow:0 0 0 1px rgba(143,176,255,.25),0 30px 80px -30px rgba(76,104,206,.55)}
.formcard .formtitle{font-family:var(--display);font-stretch:104%;font-weight:700;font-size:1.2rem;color:#0B1530}
.formcard .formsub{font-size:.9rem;color:#4A5875;margin-top:4px}
.formcard iframe{display:block;width:100%;border:0;min-height:520px;margin-top:12px}
.formfallback{padding:16px 0 18px;color:#33405A;font-size:.95rem}

/* footer */
footer{border-top:1px solid var(--line)}
footer .wrap{padding-block:40px 56px;display:grid;grid-template-columns:1fr auto;gap:24px 48px;align-items:start}
footer .brandline{font-family:var(--display);font-stretch:112%;font-weight:700;color:var(--ink)}
footer p{font-size:.84rem;color:var(--muted);max-width:78ch;margin-top:8px}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer nav a{color:var(--text);text-decoration:none;font-size:.9rem}
footer nav a:hover{color:var(--ink)}

@media (max-width:960px){
  nav.links{display:none}
  .hero,.split,.inquire,.recgrid,.offers{grid-template-columns:1fr;gap:36px}
  .built{grid-template-columns:1fr 1fr;gap:20px}
  .built .eyebrow{grid-column:1/-1}
  .steps{grid-template-columns:1fr;gap:0}
  .steps li{padding:0 0 24px 46px}
  .steps li::after{top:38px;bottom:4px;left:15px;right:auto;width:1px;height:auto;background:rgba(143,176,255,.25)}
  .path{grid-template-columns:1fr}
  .path ol{grid-template-columns:1fr 1fr}
  .faq{grid-template-columns:1fr}
  .faq details:last-child{border-bottom:1px solid var(--line)}
  .orbits{right:-460px;top:-220px}
  section{padding-block:80px 0}
  .inquire-band{margin-top:80px}
  footer .wrap{grid-template-columns:1fr}
}
@media (max-width:560px){
  .brand small{display:none}
  .btn .long{display:none}
  .btn .short{display:inline}
  .hero{padding-block:36px 48px}
  .built{grid-template-columns:1fr}
  dl>div,.offer dl>div{grid-template-columns:1fr;gap:2px}
  .path ol{grid-template-columns:1fr}
  th,td{padding:12px 14px}
  .clock,.record,.offer,.mon-block{padding:22px}
  .formcard{padding:22px 18px 8px}
}

/* ---------- multi-page additions ---------- */
nav.links a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:8px;text-decoration-thickness:2px}

/* inner page header */
.page-head{padding-block:56px 8px}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:.84rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--ink)}
.crumbs span[aria-hidden]{opacity:.6}
.page-head h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:760;letter-spacing:-.02em;line-height:1.05;max-width:22ch}
.page-head .intro{margin-top:18px;font-size:var(--step-1);line-height:1.5;color:var(--text);max-width:60ch}
.page-head .status{margin-bottom:22px}
main.inner section:first-child{padding-top:64px}

/* link cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card-link{display:grid;gap:10px;align-content:start;padding:26px;text-decoration:none;color:var(--text);min-width:0;transition:border-color .2s,transform .2s}
.card-link:hover{border-color:rgba(143,176,255,.5);transform:translateY(-2px)}
.card-link h3{font-size:1.15rem}
.card-link p{font-size:.95rem;color:var(--muted)}
.card-link .go{font-size:.9rem;color:var(--accent);font-weight:600;margin-top:4px}
.cards.two{grid-template-columns:repeat(2,1fr)}

/* article */
.article{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:64px;align-items:start}
.article>*{min-width:0}
.prose-long{display:grid;gap:18px;max-width:68ch}
.prose-long h2{font-size:clamp(1.4rem,2.2vw,1.8rem);margin-top:28px}
.prose-long h3{margin-top:10px}
.prose-long ul,.prose-long ol{margin:0;padding-left:1.2em;display:grid;gap:8px}
.prose-long li{color:var(--text)}
.prose-long strong{color:var(--ink);font-weight:600}
.keyfact{padding:20px 22px;border-left:3px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0;color:var(--ink)}
.keyfact .eyebrow{display:block;margin-bottom:6px}
.aside{position:sticky;top:24px;display:grid;gap:16px}
.aside .panel{padding:22px;display:grid;gap:10px}
.aside h3{font-size:1rem}
.aside p{font-size:.9rem;color:var(--muted)}
.aside ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
.aside li a{font-size:.92rem;text-decoration:none}
.aside li a:hover{text-decoration:underline}
.updated{font-size:.84rem;color:var(--muted)}
.disclaimer{font-size:.86rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:8px}

/* calculator */
.calc{display:grid;grid-template-columns:.9fr 1.1fr;gap:24px;align-items:start}
.calc>*{min-width:0}
.calc form{padding:26px;display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-size:.88rem;color:var(--ink);font-weight:500}
.field .hint{font-size:.8rem;color:var(--muted)}
.field .row{display:flex;gap:8px}
.field input,.field select{font:500 1rem var(--mono);color:var(--ink);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:8px;padding:11px 12px;width:100%;min-width:0}
.field select{width:auto;flex:none;font-family:var(--body);font-size:.92rem}
.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.results{padding:26px;display:grid;gap:18px}
.result-main{display:grid;gap:4px}
.result-main .big{font-family:var(--display);font-stretch:112%;font-weight:760;font-size:clamp(2.4rem,5vw,3.4rem);line-height:1;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.result-grid>div{background:var(--sky);padding:14px 16px;display:grid;grid-template-columns:1fr;gap:4px;border-top:0}
.field select:disabled{-webkit-appearance:none;appearance:none;color:var(--muted);text-align:center;opacity:1}
.result-grid dt{font-size:.8rem;color:var(--muted)}
.result-grid dd{font-size:1.05rem}
.calc-note{font-size:.84rem;color:var(--muted)}

/* glossary */
.gloss{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.gloss>div{padding-block:18px;border-top:1px solid var(--line);min-width:0}
.gloss dt{font-family:var(--display);font-stretch:104%;font-weight:680;font-size:1.05rem;color:var(--ink)}
.gloss dd{font-family:var(--body);font-size:.95rem;color:var(--text);margin-top:6px}

/* home teaser */
.teaser{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:end}
.teaser>*{min-width:0}
.textlink{font-weight:600;text-decoration:none;white-space:nowrap}
.textlink:hover{text-decoration:underline}

/* 404 */
.notfound{padding-block:120px;display:grid;gap:18px;justify-items:start}

@media (max-width:960px){
  .cards,.cards.two{grid-template-columns:1fr}
  .article{grid-template-columns:1fr;gap:40px}
  .aside{position:static}
  .calc{grid-template-columns:1fr}
  .gloss{grid-template-columns:1fr}
  .teaser{grid-template-columns:1fr}
}
@media (max-width:560px){
  .result-grid{grid-template-columns:1fr}
  .page-head{padding-block:36px 0}
}