/* thesift.guide — hand-written, no framework */
:root{
  --bg:#0a1315; --bg2:#0f1c1e; --panel:#13262a; --line:#1f3a3e; --line2:#2a4d52;
  --ink:#eef2ef; --ink2:#b8c6c1; --ink3:#7f928d;
  --pink:#f28b7b; --pink2:#ffb3a5; --pinkdim:#6b3a35; --bone:#f4efe4; --teal:#4ecdc0; --stone:#2e5b5f;
  --ok:#5fd4c2; --rep:#e7b85c; --unc:#b89cf5; --pend:#8ea0a6;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  --r:10px; --gut:16px; --max:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--sans);
  background-image:radial-gradient(1200px 500px at 80% -10%,rgba(242,139,123,.10),transparent 60%),radial-gradient(900px 400px at -10% 20%,rgba(78,205,192,.08),transparent 60%)}
a{color:var(--pink2);text-decoration:none}a:hover{text-decoration:underline}
img,svg{max-width:100%;display:block}
h1,h2,h3{line-height:1.12;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,7vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.45rem,4.2vw,2.1rem);font-weight:800}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.mono{font-family:var(--mono);font-size:.78rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink3)}
.sr{position:absolute;left:-9999px}
/* top bar */
.top{position:sticky;top:0;z-index:20;background:rgba(10,19,21,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:14px;height:54px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.brand:hover{text-decoration:none}
.brand i{width:22px;height:22px;display:inline-block}
.brand small{font-weight:500;color:var(--ink3);font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;margin-left:2px}
nav.main{margin-left:auto;position:relative;mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);-webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);padding-right:20px;display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
nav.main::-webkit-scrollbar{display:none}
nav.main a{color:var(--ink2);font-size:.88rem;padding:7px 10px;border-radius:7px;white-space:nowrap}
nav.main a:hover,nav.main a[aria-current]{color:var(--ink);background:var(--panel);text-decoration:none}
/* status strip */
.strip{display:grid;grid-template-columns:repeat(2,1fr);border:1px solid var(--line2);border-radius:var(--r);overflow:hidden;background:var(--bg2)}
.strip>div{padding:12px 14px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.strip>div:nth-child(2n){border-right:0}
.strip>div:nth-last-child(-n+2){border-bottom:0}
.strip b{display:block;font-size:1.05rem;font-weight:700;margin-top:2px;letter-spacing:-.01em}
.strip b.pink{color:var(--pink2)}
@media(min-width:900px){nav.main{mask-image:none;-webkit-mask-image:none;padding-right:0}}
@media(min-width:720px){.strip{grid-template-columns:repeat(4,1fr)}.strip>div{border-bottom:0}.strip>div:nth-child(2n){border-right:1px solid var(--line)}.strip>div:last-child{border-right:0}}
/* hero */
.hero{padding:28px 0 10px}
.hero .eyebrow{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin-bottom:14px}
.tag{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;padding:4px 9px;border-radius:999px;border:1px solid var(--line2);color:var(--ink2)}
.tag.live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 4px rgba(242,139,123,.18)}
.hero h1{margin-bottom:10px}
.hero h1 em{font-style:normal;color:var(--pink2)}
.hero .lede{font-size:1.08rem;color:var(--ink2);max-width:56ch;margin-bottom:18px}
.scene{margin:22px 0 8px;border:1px solid var(--line2);border-radius:14px;overflow:hidden;background:#0d191b;position:relative}
.scene svg{width:100%;height:auto}
.scene .cap{position:absolute;left:10px;bottom:8px;font-family:var(--mono);font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;color:rgba(238,242,239,.7);background:rgba(10,19,21,.55);padding:3px 7px;border-radius:5px}
/* sections */
section{padding:30px 0}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.sec-h p{color:var(--ink3);margin:0;font-size:.92rem}
.grid2{display:grid;gap:14px}
@media(min-width:760px){.grid2{grid-template-columns:1fr 1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:16px 16px 6px}
.card h3{display:flex;align-items:center;gap:8px}
.card ul{margin:0 0 10px;padding-left:1.1em}
.card li{margin:0 0 8px;color:var(--ink2)}
.card li b{color:var(--ink);font-weight:600}
/* status dots and pills */
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:none}
.s-confirmed{--c:var(--ok)}.s-reported{--c:var(--rep)}.s-unconfirmed{--c:var(--unc)}.s-pending{--c:var(--pend)}
.pill{display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:.68rem;letter-spacing:.07em;text-transform:uppercase;color:var(--c,var(--ink2));border:1px solid color-mix(in srgb,var(--c,var(--ink3)) 45%,transparent);padding:2px 8px;border-radius:999px;white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c,var(--ink3))}
/* fact board */
.board{border:1px solid var(--line2);border-radius:var(--r);background:var(--bg2);overflow:hidden}
.board .bar{display:flex;flex-wrap:wrap;gap:8px;padding:12px;border-bottom:1px solid var(--line);align-items:center}
.board .bar .sep{width:1px;height:22px;background:var(--line2);margin:0 4px}
.fbtn{font:inherit;font-size:.82rem;background:transparent;color:var(--ink2);border:1px solid var(--line2);padding:6px 11px;border-radius:999px;cursor:pointer}
.fbtn[aria-pressed=true]{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.fbtn .n{font-family:var(--mono);font-size:.7rem;opacity:.7;margin-left:4px}
.facts{list-style:none;margin:0;padding:0}
.facts li{display:grid;grid-template-columns:auto 1fr;gap:10px 12px;padding:12px 14px;border-bottom:1px solid var(--line);align-items:start}
.facts li:last-child{border-bottom:0}
.facts li[hidden]{display:none}
.facts .claim{color:var(--ink);font-size:.95rem;margin:0}
.facts .meta{grid-column:2;display:flex;flex-wrap:wrap;gap:6px 12px;font-family:var(--mono);font-size:.7rem;color:var(--ink3);letter-spacing:.03em}
.facts .meta a{color:var(--ink3);border-bottom:1px dotted var(--line2)}
.facts .meta a:hover{color:var(--pink2);text-decoration:none}
.facts .scope{font-family:var(--mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3);border:1px solid var(--line);padding:1px 6px;border-radius:4px}
.board .empty{padding:20px;color:var(--ink3);text-align:center}
.board .more{display:block;width:100%;font:inherit;font-size:.9rem;background:var(--panel);color:var(--ink);border:0;border-top:1px solid var(--line);padding:12px;cursor:pointer}
.board[data-collapsed] .facts li.extra{display:none}
.scene svg{min-height:230px}
/* timeline */
.tl{list-style:none;margin:0;padding:0;position:relative}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--line2),var(--line))}
.tl li{position:relative;padding:0 0 22px 30px}
.tl li::before{content:"";position:absolute;left:1px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:3px solid var(--c,var(--line2))}
.tl time{font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;color:var(--ink3);display:block;margin-bottom:2px}
.tl h3{margin:0 0 4px;font-size:1.02rem}
.tl p{color:var(--ink2);font-size:.94rem;margin:0 0 6px}
.tl .src{font-family:var(--mono);font-size:.7rem;color:var(--ink3)}
.tl .src a{color:var(--ink3);border-bottom:1px dotted var(--line2)}
/* compare table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line2);border-radius:var(--r);background:var(--bg2)}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:.9rem}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink3);font-weight:600;background:var(--panel)}
td:first-child{font-family:var(--mono);font-size:.74rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink3);white-space:nowrap}
tr:last-child td{border-bottom:0}
td.sift{background:rgba(242,139,123,.06);color:var(--ink)}
th.sift{color:var(--pink2)}
td .na{color:var(--ink3);font-style:italic}
/* prose pages */
.page{padding-top:26px;padding-bottom:10px}
.page header{margin-bottom:22px}
.page header .mono{margin-bottom:8px;display:block}
.page header p.lede{font-size:1.08rem;color:var(--ink2);max-width:62ch}
.prose{max-width:70ch}
.prose h2{margin-top:1.6em;font-size:1.4rem}
.prose h3{margin-top:1.3em}
.prose p,.prose li{color:var(--ink2)}
.prose li{margin-bottom:.4em}
.prose strong{color:var(--ink)}
.prose .note{border-left:3px solid var(--rep);padding:10px 14px;background:var(--panel);border-radius:0 8px 8px 0;color:var(--ink2);font-size:.95rem}
.prose .note.ok{border-color:var(--ok)}.prose .note.unc{border-color:var(--unc)}
.cite{font-family:var(--mono);font-size:.7rem;color:var(--ink3);letter-spacing:.03em}
.cite a{color:var(--ink3);border-bottom:1px dotted var(--line2)}
.cite a:hover{color:var(--pink2);text-decoration:none}
.fig{margin:22px 0;border:1px solid var(--line2);border-radius:12px;overflow:hidden;background:#0d191b}
.fig figcaption{font-family:var(--mono);font-size:.7rem;letter-spacing:.04em;text-transform:uppercase;color:var(--ink3);padding:8px 12px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none;display:flex;justify-content:space-between;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--ink3);flex:none}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink2);padding-bottom:12px}
.dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;font-size:.92rem}
.dl dt{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink3);padding-top:3px}
.dl dd{margin:0;color:var(--ink2)}
.mobgrid{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.mob{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:12px;font-size:.9rem}
.mob svg{width:56px;height:56px;margin-bottom:8px}
.mob b{display:block}
.mob span{color:var(--ink3);font-size:.78rem}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:10px}
.sw{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel);font-size:.84rem}
.sw i{display:block;height:56px;image-rendering:pixelated}
.sw div{padding:8px 10px}.sw b{display:block;font-size:.88rem}.sw span{color:var(--ink3);font-size:.76rem}
/* ad slot container (empty until code is added) */
.adslot{margin:22px 0;border:1px dashed var(--line2);border-radius:var(--r);min-height:90px;display:grid;place-items:center;color:var(--ink3);font-family:var(--mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase}
/* cta row */
.rowlinks{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.rowlinks a{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:14px;color:var(--ink)}
.rowlinks a:hover{border-color:var(--pink);text-decoration:none}
.rowlinks a b{display:block;margin-bottom:3px}
.rowlinks a span{color:var(--ink3);font-size:.86rem}
/* footer */
footer{border-top:1px solid var(--line);margin-top:30px;padding:26px 0 40px;color:var(--ink3);font-size:.84rem}
footer .cols{display:grid;gap:18px}
@media(min-width:760px){footer .cols{grid-template-columns:1.4fr 1fr 1fr}}
footer a{color:var(--ink2)}
footer ul{list-style:none;margin:0;padding:0}footer li{margin-bottom:6px}
footer .legal{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:.78rem;line-height:1.6}
.err{min-height:60vh;display:grid;place-items:center;text-align:center;padding:40px 16px}
.err svg{width:160px;margin:0 auto 18px}

/* ---- launch pass: type scale (system fonts kept on purpose; one scale for every page) ---- */
:root{--fs-h1:clamp(2rem,6.5vw,3.4rem);--fs-h2:clamp(1.4rem,4vw,2rem);--fs-h3:1.1rem;--fs-lede:1.08rem;--fs-body:1rem;--fs-small:.9rem;--fs-mono:.78rem;--fs-micro:.7rem}
h1{font-size:var(--fs-h1)}h2{font-size:var(--fs-h2)}h3{font-size:var(--fs-h3)}
.hero .lede,.page header p.lede{font-size:var(--fs-lede)}
.prose h2{font-size:1.4rem}
/* concept image with code-drawn fallback */
.scene.concept img,.fig.concept img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:cover}
.concept .fallback{display:none}
.concept.noimg .fallback{display:block}
.scene svg{min-height:0}
.fig figcaption{text-transform:none;letter-spacing:0;font-size:.74rem}
/* dimension compare: cards on phones, table on wide screens */
.dimcards{display:grid;grid-auto-flow:column;grid-auto-columns:min(82vw,320px);gap:10px;overflow-x:auto;scroll-snap-type:x mandatory;padding:2px 2px 12px;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.dimcard{scroll-snap-align:start;background:var(--bg2);border:1px solid var(--line2);border-radius:var(--r);padding:12px 14px;font-size:.88rem}
.dimcard.sift{border-color:rgba(242,139,123,.5);background:linear-gradient(180deg,rgba(242,139,123,.08),transparent 40%),var(--bg2)}
.dimcard h3{display:flex;align-items:center;gap:8px;margin:0 0 10px;font-size:1rem}
.dimcard.sift h3{color:var(--pink2)}
.dimcard dl{margin:0;display:grid;grid-template-columns:1fr;gap:2px}
.dimcard dt{font-family:var(--mono);font-size:.64rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink3);margin-top:8px}
.dimcard dd{margin:0;color:var(--ink2)}
.dimcard dd small{display:block;color:var(--ink3)}
.cmp-table{display:none}
@media(min-width:760px){.dimcards{display:none}.cmp-table{display:block}}
/* phones 360-390: nothing may push past the viewport */
.wrap>*,.hero>*,.grid2>*,.card,.board,.tl li{min-width:0}
.prose p,.card li,.facts .claim,.tl p{overflow-wrap:anywhere}
html,body{overflow-x:clip}
@media(max-width:400px){.top .wrap{gap:8px}.brand{font-size:.95rem}.strip>div{padding:10px 12px}.strip b{font-size:.98rem}.board .bar{gap:6px;padding:10px}.fbtn{padding:5px 9px;font-size:.78rem}}

.adslot:empty{display:none}
.grading{margin-top:10px}.grading summary{cursor:pointer;font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink3);list-style:none}.grading summary::-webkit-details-marker{display:none}.grading summary::before{content:"+ ";}.grading[open] summary::before{content:"– "}.grading .cite{margin-top:8px}
.card-more{font:inherit;font-size:.84rem;background:transparent;color:var(--pink2);border:0;padding:4px 0 12px;cursor:pointer}
@media(max-width:759px){section{padding:22px 0}.facts li{padding:10px 12px}.facts .meta{gap:4px 10px}.hero{padding-top:20px}}
@media(max-width:400px){.tl li{padding-bottom:14px}.tl p{font-size:.9rem}.dimcard{padding:10px 12px}.rowlinks a{padding:11px 12px}.card{padding:14px 14px 4px}footer{padding:20px 0 30px}}
@media(max-width:400px){.hero{padding-top:14px}.hero .lede{margin-bottom:14px}}

/* timeline replay */
.replay{padding:12px 12px 8px;border-bottom:1px solid var(--line);background:var(--panel)}
.replay-h{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.replay-sum{font-size:.84rem;color:var(--ink2)}
.replay input[type=range]{width:100%;margin:4px 0 8px;accent-color:var(--pink)}
.replay-nodes{list-style:none;margin:0;padding:0;display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.replay-nodes::-webkit-scrollbar{display:none}
.replay-nodes button{font:inherit;display:flex;flex-direction:column;align-items:flex-start;gap:2px;background:transparent;color:var(--ink2);border:1px solid var(--line2);border-radius:8px;padding:6px 9px;cursor:pointer;white-space:nowrap}
.replay-nodes button time{font-family:var(--mono);font-size:.7rem;letter-spacing:.04em}
.replay-nodes button .n{font-size:.72rem;color:var(--ink3)}
.replay-nodes button[aria-pressed=true]{border-color:var(--pink);color:var(--ink);background:rgba(242,139,123,.1)}
.replay-note{margin:8px 0 0;font-size:.76rem;color:var(--ink3)}
.facts li.added{background:rgba(242,139,123,.07);box-shadow:inset 3px 0 0 var(--pink)}
.facts li.added .claim::after{content:" new";font-family:var(--mono);font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;color:var(--pink2);margin-left:6px;vertical-align:middle}
.brand{flex:none}
@media(max-width:400px){.replay{padding:10px 10px 6px}.replay-note{font-size:.72rem}}