/* Particle Care Technologies — site styles
   Layout: the business-plan cover carried to the web — a deep-blue rail with a
   turquoise hairline on the left edge, white paper, navy type, mono labels for
   quarters, codes and units. Single light theme by choice (corporate identity). */

@font-face{font-family:"Plex Sans";src:url("fonts/ibm-plex-sans-latin-400-normal.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("fonts/ibm-plex-sans-latin-400-italic.woff2") format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("fonts/ibm-plex-sans-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Sans";src:url("fonts/ibm-plex-sans-latin-600-normal.woff2") format("woff2");font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/ibm-plex-mono-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Plex Mono";src:url("fonts/ibm-plex-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  color-scheme:light;
  --paper:#ffffff;
  --mist:#f1f5f9;          /* cool neutral, biased to the brand blue */
  --line:#d6dfe9;
  --ink:#0c1d38;           /* navy text */
  --muted:#55657a;
  --brand:#0f47a1;         /* logo blue */
  --brand-dk:#0a3478;
  --teal:#03acc4;          /* logo turquoise */
  --teal-dk:#0b8a8f;       /* TECHNOLOGIES */
  --on-brand:#ffffff;
  --on-brand-muted:#c4d4ee;
  /* roadmap areas */
  --a-product:#0f47a1;
  --a-clinical:#0b8a8f;
  --a-regulatory:#b4690e;
  --a-ip:#6a4c9c;
  --a-done:#7a8899;
  --f-sans:"Plex Sans","IBM Plex Sans","Helvetica Neue",Arial,system-ui,sans-serif;
  --f-mono:"Plex Mono","IBM Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --rail:14px;
  --maxw:1120px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--f-sans);font-size:17px;line-height:1.6;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand)}
a:hover{color:var(--brand-dk)}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:2px}
h1,h2,h3{line-height:1.15;text-wrap:balance;margin:0;font-weight:600;letter-spacing:-.01em}
p{margin:0}
em{font-style:italic}

/* left rail, as on the cover */
.rail{position:fixed;top:0;bottom:0;left:0;width:var(--rail);background:var(--brand);box-shadow:3px 0 0 var(--teal);z-index:30}
@media (max-width:760px){.rail{display:none}}

.wrap{max-width:var(--maxw);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:761px){.wrap{padding-left:calc(var(--rail) + 40px);padding-right:40px}}

.skip{position:absolute;left:-9999px}
.skip:focus{left:24px;top:12px;z-index:50;background:var(--paper);padding:8px 12px}

/* header */
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:25;background:var(--paper)}
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(255,255,255,.94);backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px 28px;flex-wrap:wrap;padding-block:12px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--brand)}
.brand img{width:40px;height:auto}
.brand-name{display:flex;flex-direction:column;line-height:1}
.brand-name b{font-weight:600;font-size:17px;letter-spacing:.04em}
.brand-name span{font-size:10px;letter-spacing:.42em;color:var(--teal-dk);margin-top:5px}
.nav{display:flex;align-items:center;gap:4px 22px;flex-wrap:wrap;font-size:15px}
.nav a{text-decoration:none;color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--brand)}
.nav a[aria-current="page"]{color:var(--brand);border-bottom-color:var(--teal)}
.nav .lang{font-family:var(--f-mono);font-size:13px;letter-spacing:.06em;border:1px solid var(--line);border-radius:3px;padding:3px 8px;color:var(--muted)}
.nav .lang:hover{border-color:var(--brand);color:var(--brand)}
@media (max-width:620px){.site-header .wrap{padding-block:10px}.nav{width:100%;gap:2px 18px}.brand img{width:34px}}

/* shared type */
.eyebrow{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-dk);font-weight:500}
.lede{font-size:clamp(18px,2.1vw,21px);line-height:1.55;color:var(--ink);max-width:36em}
.muted{color:var(--muted)}
.section{padding-block:clamp(56px,8vw,96px)}
.section + .section{border-top:1px solid var(--line)}
.section-head{display:grid;gap:12px;margin-bottom:40px;max-width:44em}
.section-head h2{font-size:clamp(28px,3.6vw,40px)}
.prose{max-width:40em;display:grid;gap:1em}

.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:500;font-size:16px;text-decoration:none;padding:12px 20px;border-radius:3px;border:1.5px solid var(--brand);transition:background .15s,color .15s}
.btn-primary{background:var(--brand);color:var(--on-brand)}
.btn-primary:hover{background:var(--brand-dk);border-color:var(--brand-dk);color:var(--on-brand)}
.btn-ghost{color:var(--brand);background:transparent}
.btn-ghost:hover{background:var(--mist)}

/* hero */
.hero{padding-block:clamp(48px,7vw,96px) clamp(48px,6vw,80px)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:48px;align-items:center}
.hero-text{display:grid;gap:24px;min-width:0}
.hero h1{font-size:clamp(36px,5.4vw,62px);color:var(--brand);letter-spacing:-.02em}
.hero h1 em{color:var(--teal-dk)}
.hero-mark{justify-self:center;width:min(100%,380px)}
.hero-mark img{width:100%;animation:orbit-in 1.1s cubic-bezier(.2,.7,.2,1) both}
@keyframes orbit-in{from{transform:rotate(-24deg) scale(.94);opacity:.4}to{transform:none;opacity:1}}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-family:var(--f-mono);font-size:13px;color:var(--muted)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal)}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr}.hero-mark{order:-1;width:min(60%,240px);justify-self:start}}

/* page hero (inner pages) */
.page-hero{padding-block:clamp(44px,6vw,80px) clamp(28px,4vw,48px);background:var(--mist);border-bottom:1px solid var(--line)}
.page-hero .wrap{display:grid;gap:16px}
.page-hero h1{font-size:clamp(34px,4.6vw,52px);color:var(--brand);max-width:18em}

/* three facts */
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:2px solid var(--brand)}
.fact{padding:24px 28px 8px 0;display:grid;gap:10px;align-content:start}
.fact + .fact{padding-left:28px;border-left:1px solid var(--line)}
.fact .k{font-family:var(--f-mono);font-size:13px;color:var(--teal-dk);letter-spacing:.06em}
.fact h3{font-size:20px}
.fact p{color:var(--muted);font-size:16px}
@media (max-width:820px){.facts{grid-template-columns:1fr}.fact,.fact + .fact{padding:22px 0 18px;border-left:0}.fact + .fact{border-top:1px solid var(--line)}}

/* approach */
.approach{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
.props{display:grid;gap:0;margin:0;padding:0;list-style:none}
.props li{display:grid;grid-template-columns:120px minmax(0,1fr);gap:20px;padding:18px 0;border-top:1px solid var(--line)}
.props li:last-child{border-bottom:1px solid var(--line)}
.props .v{font-family:var(--f-mono);font-size:15px;font-weight:500;color:var(--brand);font-variant-numeric:tabular-nums}
.props b{display:block;font-weight:600;margin-bottom:2px}
.props span{color:var(--muted);font-size:16px}
@media (max-width:820px){.approach{grid-template-columns:1fr;gap:32px}.props li{grid-template-columns:96px minmax(0,1fr);gap:14px}}

/* comparison table */
.table-scroll{overflow-x:auto;margin-top:48px;border:1px solid var(--line);border-radius:4px}
table.compare{width:100%;border-collapse:collapse;font-size:15px;min-width:640px}
.compare caption{text-align:left;padding:14px 18px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line)}
.compare th,.compare td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.compare thead th{font-weight:600;font-size:13.5px;color:var(--muted);background:var(--mist)}
.compare tbody tr:last-child td,.compare tbody tr:last-child th{border-bottom:0}
.compare tbody th{font-weight:500}
.compare tr.ours th,.compare tr.ours td{background:#e8f6f8;color:var(--ink)}
.compare tr.ours th{color:var(--brand);font-weight:600}
.yes{color:var(--teal-dk);font-weight:600}
.no{color:var(--muted)}

/* blue band */
.band{background:var(--brand);color:var(--on-brand);position:relative}
.band::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--teal)}
.band .wrap{padding-block:clamp(56px,7vw,88px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:center}
.band h2{font-size:clamp(26px,3.2vw,36px)}
.band .eyebrow{color:#7fdcea}
.band p{color:var(--on-brand-muted)}
.band-text{display:grid;gap:16px;min-width:0}
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.stat{display:grid;gap:6px;border-top:1px solid rgba(255,255,255,.3);padding-top:14px}
.stat b{font-family:var(--f-mono);font-weight:500;font-size:clamp(24px,2.8vw,32px);font-variant-numeric:tabular-nums;color:#fff}
.stat span{font-size:14px;color:var(--on-brand-muted);line-height:1.45}
@media (max-width:820px){.band .wrap{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}}
@media (max-width:420px){.stats{grid-template-columns:1fr}}

/* recognitions */
.recog{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.recog div{display:grid;gap:6px;align-content:start}
.recog .y{font-family:var(--f-mono);font-size:13px;color:var(--teal-dk)}
.recog b{font-weight:600;line-height:1.3}
.recog span{color:var(--muted);font-size:15px}
@media (max-width:900px){.recog{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.recog{grid-template-columns:1fr}}

/* about: team & partners */
.team{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:28px 32px}
.person{display:grid;grid-template-columns:52px minmax(0,1fr);gap:16px;align-items:start}
.avatar{width:52px;height:52px;border-radius:50%;background:var(--mist);border:1.5px solid var(--brand);color:var(--brand);display:grid;place-items:center;font-family:var(--f-mono);font-weight:500;font-size:16px}
.person b{display:block;font-weight:600;font-size:17px}
.person .role{display:block;color:var(--teal-dk);font-size:14px;font-weight:500;margin:2px 0 6px}
.person p{color:var(--muted);font-size:15px;line-height:1.5}
.partners{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.partner{padding:22px 24px 22px 0;border-bottom:1px solid var(--line);display:grid;gap:6px;align-content:start}
.partner:nth-child(even){padding-left:24px;border-left:1px solid var(--line)}
.partner .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-dk)}
.partner b{font-size:18px;font-weight:600}
.partner p{color:var(--muted);font-size:15.5px}
@media (max-width:720px){.partners{grid-template-columns:1fr}.partner,.partner:nth-child(even){padding:20px 0;border-left:0}}
.origin{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px}
@media (max-width:820px){.origin{grid-template-columns:1fr;gap:28px}}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:0;counter-reset:s}
.steps li{display:grid;grid-template-columns:92px minmax(0,1fr);gap:16px;padding:14px 0;border-top:1px solid var(--line)}
.steps li:last-child{border-bottom:1px solid var(--line)}
.steps .y{font-family:var(--f-mono);font-size:14px;color:var(--brand);font-weight:500}
.steps span{color:var(--ink);font-size:16px}

/* roadmap */
.legend{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14.5px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:11px;height:11px;border-radius:50%;display:inline-block}
.legend i.ip{border-radius:1px;transform:rotate(45deg);width:10px;height:10px}
.timeline{position:relative;margin-top:44px;display:grid;gap:0}
.timeline::before{content:"";position:absolute;left:104px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--line),var(--line))}
.year{display:grid;grid-template-columns:88px minmax(0,1fr);gap:40px;padding-bottom:28px}
.year-label{font-family:var(--f-mono);font-weight:500;font-size:20px;color:var(--brand);text-align:right;padding-top:2px;position:sticky;top:calc(env(safe-area-inset-top,0px) + 84px);align-self:start}
.year.past .year-label{color:var(--a-done)}
.items{display:grid;gap:14px;min-width:0}
.item{position:relative;display:grid;gap:4px;padding:14px 18px 16px;border:1px solid var(--line);border-radius:4px;background:var(--paper)}
.item::before{content:"";position:absolute;left:-30px;top:19px;width:12px;height:12px;border-radius:50%;background:var(--c,var(--brand));box-shadow:0 0 0 4px var(--paper)}
.item.ip::before{border-radius:1px;transform:rotate(45deg);width:10px;height:10px;left:-29px;top:20px}
.item .top{display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px}
.item .area{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--c);font-weight:500}
.item .when{font-family:var(--f-mono);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.item h3{font-size:18px;font-weight:600;line-height:1.3}
.item h3 .code{font-family:var(--f-mono);font-weight:500;color:var(--c);margin-right:6px}
.item p{color:var(--muted);font-size:15.5px;line-height:1.5}
.item .ref{font-family:var(--f-mono);font-size:12.5px;color:var(--muted)}
.item.product{--c:var(--a-product)}
.item.clinical{--c:var(--a-clinical)}
.item.regulatory{--c:var(--a-regulatory)}
.item.ip{--c:var(--a-ip)}
.item.done{--c:var(--a-done);background:var(--mist)}
.item .badge{font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;padding:2px 7px;border-radius:2px;background:#e8f6f8;color:var(--teal-dk)}
.item.final{border:1.5px solid var(--a-regulatory);background:#fdf6ec}
.item.outlook{border-style:dashed}
.now{display:grid;grid-template-columns:88px minmax(0,1fr);gap:40px;padding-bottom:28px;align-items:center}
.now .nl{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--teal-dk);text-align:right}
.now .bar{position:relative;height:2px;background:var(--teal)}
.now .bar::before{content:"";position:absolute;left:-36px;top:-8px;width:18px;height:18px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 5px rgba(3,172,196,.22)}
.now .bar span{position:absolute;right:0;top:-24px;font-family:var(--f-mono);font-size:12.5px;color:var(--teal-dk)}
.note{margin-top:8px;font-size:14.5px;color:var(--muted);max-width:46em}
@media (max-width:620px){
  .timeline::before{left:7px}
  .year,.now{grid-template-columns:1fr;gap:10px;padding-left:30px}
  .year-label{text-align:left;position:static}
  .item::before{left:-29px}
  .item.ip::before{left:-28px}
  .now .nl{text-align:left}
  .now .bar::before{left:-31px}
}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:56px;align-items:start}
@media (max-width:820px){.contact-grid{grid-template-columns:1fr;gap:36px}}
.audiences{display:grid;gap:0;border-top:1px solid var(--line)}
.aud{padding:22px 0;border-bottom:1px solid var(--line);display:grid;gap:6px}
.aud b{font-size:19px;font-weight:600;color:var(--brand)}
.aud p{color:var(--muted)}
.card{background:var(--mist);border:1px solid var(--line);border-radius:4px;padding:28px;display:grid;gap:22px}
.card .k{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal-dk);margin-bottom:4px}
.card .mail{font-family:var(--f-mono);font-size:clamp(17px,2vw,20px);color:var(--brand);font-weight:500;word-break:break-all;text-decoration:none}
.card .mail:hover{text-decoration:underline}
.card address{font-style:normal;line-height:1.55}

/* legal */
.legal dl{display:grid;grid-template-columns:200px minmax(0,1fr);gap:10px 24px;margin:0}
.legal dt{font-weight:600}
.legal dd{margin:0;color:var(--ink)}
@media (max-width:620px){.legal dl{grid-template-columns:1fr;gap:2px}.legal dd{margin-bottom:12px}}

/* footer */
.site-footer{background:var(--ink);color:#c9d3e0;font-size:15px}
.site-footer .wrap{padding-block:44px;display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:32px}
.site-footer b{color:#fff;font-weight:600}
.site-footer a{color:#c9d3e0;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.site-footer .k{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:#7fdcea;margin-bottom:10px}
.site-footer .fine{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.15);padding-top:18px;font-size:13.5px;color:#8fa0b6;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:720px){.site-footer .wrap{grid-template-columns:1fr}}
@media (min-width:761px){.site-footer,.band{padding-left:0}}