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

:root{
  --ink:#111111;--paper:#FFFFFF;--surface:#F2F2F2;--rule:#D9D9D9;--muted:#6B6B6B;--red:#B5121B;--link:#B5121B;
  --sans:"Plex Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Plex Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
  --max:1120px;--gut:clamp(20px,5vw,48px);
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){--ink:#F2F2F2;--paper:#111111;--surface:#1B1B1B;--rule:#333333;--muted:#9A9A9A;--link:#E5555C}
}
:root[data-theme="dark"]{--ink:#F2F2F2;--paper:#111111;--surface:#1B1B1B;--rule:#333333;--muted:#9A9A9A;--link:#E5555C}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;font-kerning:normal}
a{color:var(--link);text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--red);outline-offset:3px}
img,svg{max-width:100%}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--paper);padding:8px 14px;border-radius:6px;z-index:10}
.skip:focus{left:8px}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* Header */
header{border-bottom:1px solid var(--rule)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink)}
.brand b{font-family:var(--mono);font-weight:500;font-size:19px;letter-spacing:-0.01em}
.brand b span{font-weight:400;color:var(--muted)}
.brand .mk-bg{fill:var(--ink)}.brand .mk-fg{stroke:var(--paper)}
nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:15px}
nav a{color:var(--ink);text-decoration:none}
nav a:hover,nav a[aria-current="page"]{color:var(--link)}
.lang{display:flex;gap:10px;font-family:var(--mono);font-size:13px}
.lang a{color:var(--muted);text-decoration:none;text-transform:uppercase}
.lang a[aria-current="true"]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--red);text-decoration-thickness:2px}
.menu{display:none}
@media (max-width:760px){
  nav{display:none}
  .menu{display:block;border-top:1px solid var(--rule)}
  .menu ul{display:flex;flex-wrap:wrap;gap:6px 22px;list-style:none;margin:0;padding:12px 0;font-size:15px}
  .menu a{color:var(--ink);text-decoration:none}
  .menu a[aria-current="page"]{color:var(--link)}
}

/* Shared blocks */
section{padding:clamp(64px,9vw,112px) 0;border-top:1px solid var(--rule)}
h2{font-weight:500;font-size:clamp(26px,3.2vw,38px);line-height:1.15;letter-spacing:-0.02em;margin:0 0 20px;max-width:22ch}
.lede{color:var(--muted);max-width:60ch;margin:0}
.lede.gap{margin-bottom:28px}
.actions{display:flex;flex-wrap:wrap;gap:14px 28px;align-items:center}
.btn{display:inline-block;background:var(--ink);color:var(--paper);text-decoration:none;font-weight:500;padding:14px 22px;border-radius:8px}
.btn:hover{background:var(--red);color:#FFFFFF}
.txt{color:var(--ink);font-weight:500}
.mail{font-family:var(--mono);font-size:clamp(18px,2.4vw,24px);color:var(--ink);text-decoration-color:var(--red);text-decoration-thickness:2px}
.split{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,6vw,96px);align-items:start}
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,96px)}
@media (max-width:860px){.split,.two{grid-template-columns:1fr}}
.list{list-style:none;margin:0 0 32px;padding:0;border-top:1px solid var(--rule)}
.list li{padding:12px 0;border-bottom:1px solid var(--rule);font-size:16px}
.list:last-child{margin-bottom:0}
.facts{margin:0;padding:0;list-style:none;border-top:1px solid var(--rule)}
.facts li{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--rule);font-size:16px}
.facts .k{color:var(--muted)}
@media (max-width:420px){.facts li{grid-template-columns:1fr;gap:2px}}
.contact h2{font-size:clamp(32px,5vw,56px);line-height:1.08;max-width:16ch}

/* Page heroes */
.hero{padding-top:clamp(56px,10vw,120px);padding-bottom:clamp(48px,8vw,88px)}
.hero h1{font-weight:500;font-size:clamp(34px,5.6vw,64px);line-height:1.06;letter-spacing:-0.025em;margin:0 0 28px;max-width:15ch;hyphens:manual}
.hero p{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:56ch;margin:0 0 36px}
.page-hero{padding-top:clamp(56px,10vw,112px);padding-bottom:clamp(40px,6vw,64px)}
.page-hero h1{font-weight:500;font-size:clamp(34px,5.4vw,60px);line-height:1.06;letter-spacing:-0.025em;margin:0 0 24px;max-width:17ch}
.page-hero p{font-size:clamp(17px,1.6vw,20px);color:var(--muted);max-width:58ch;margin:0}

/* Certificate lifetime ruler */
.ruler{margin:clamp(56px,8vw,96px) 0 0;border-top:1px solid var(--ink);padding-top:28px}
.ruler figcaption{font-size:15px;color:var(--muted);margin-bottom:22px;max-width:60ch}
.row{display:grid;grid-template-columns:minmax(128px,190px) 1fr;gap:12px 24px;align-items:center;padding:9px 0}
.when{font-family:var(--mono);font-size:14px;color:var(--muted)}
.track{height:22px}
.fill{height:100%;background:var(--ink);border-radius:3px;display:flex;align-items:center;justify-content:flex-end;min-width:64px}
.fill span{font-family:var(--mono);font-size:13px;color:var(--paper);padding:0 8px;white-space:nowrap}
.d398{width:100%}.d200{width:50.25%}.d100{width:25.13%}.d47{width:11.81%}
.row.past .fill{background:var(--rule)}.row.past .fill span{color:var(--muted)}
.row.now .fill{background:var(--red)}.row.now .fill span{color:#FFFFFF}
.row.now .when{color:var(--ink)}
.row.future .fill{background:transparent;border:1.5px solid var(--ink)}.row.future .fill span{color:var(--ink)}
.src{font-size:13px;color:var(--muted);margin-top:16px}
@media (max-width:560px){.row{grid-template-columns:1fr;gap:6px}}

/* Home */
.svc{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:56px}
.svc article,.why article{border-top:2px solid var(--ink);padding-top:20px}
.svc h3,.why h3{font-size:20px;font-weight:600;line-height:1.3;margin:0 0 12px}
.svc p,.why p{margin:0;color:var(--muted);font-size:16px}
@media (max-width:860px){.svc{grid-template-columns:1fr;gap:32px}}
.openpki{background:var(--surface);border-top:0}
.openpki .split{align-items:center}
.openpki p{margin:0 0 24px;max-width:58ch}
.opk{font-family:var(--mono);font-weight:500;font-size:clamp(28px,4vw,44px);letter-spacing:0.02em}

/* Services */
.svc-block{display:grid;grid-template-columns:5fr 7fr;gap:clamp(28px,6vw,96px)}
.svc-block h2{margin-bottom:16px}
.svc-block .for{color:var(--muted);margin:0;max-width:44ch}
.svc-block h3{font-size:15px;font-weight:600;margin:0 0 10px;color:var(--muted)}
@media (max-width:860px){.svc-block{grid-template-columns:1fr}}
.steps{list-style:none;counter-reset:s;margin:48px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.steps li{counter-increment:s;border-top:2px solid var(--ink);padding-top:18px}
.steps li::before{content:counter(s);display:block;font-family:var(--mono);font-size:14px;color:var(--red);margin-bottom:8px}
.steps h3{font-size:19px;font-weight:600;margin:0 0 8px;line-height:1.3}
.steps p{margin:0;color:var(--muted);font-size:16px}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* About */
.intro{display:grid;grid-template-columns:7fr 4fr;gap:clamp(32px,6vw,96px);align-items:start}
.intro p{margin:0 0 20px;max-width:62ch}
.intro p.big{font-size:clamp(19px,1.9vw,22px);line-height:1.5}
.portrait{aspect-ratio:4/5;width:100%;object-fit:cover;background:var(--surface);border-radius:8px}
@media (max-width:860px){.intro{grid-template-columns:1fr}.portrait{max-width:320px}}
.tl{list-style:none;margin:48px 0 0;padding:0;border-left:2px solid var(--ink)}
.tl li{position:relative;padding:0 0 36px 32px;max-width:68ch}
.tl li:last-child{padding-bottom:0}
.tl li::before{content:"";position:absolute;left:-7px;top:7px;width:12px;height:12px;background:var(--paper);border:2px solid var(--ink);border-radius:2px}
.tl li.now::before{background:var(--red);border-color:var(--red)}
.tl .when{display:block;margin-bottom:4px}
.tl h3{font-size:19px;font-weight:600;margin:0 0 6px;line-height:1.3}
.tl p{margin:0;color:var(--muted);font-size:16px}
.why{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;margin-top:48px}
@media (max-width:760px){.why{grid-template-columns:1fr;gap:32px}}

/* Contact and legal */
.addr{font-style:normal;line-height:1.7}
.stack>*+*{margin-top:24px}
.prose{max-width:68ch;padding-bottom:clamp(64px,9vw,112px)}
.prose h2{font-size:22px;font-weight:600;letter-spacing:-0.01em;margin:44px 0 10px;max-width:none}
.prose p{margin:0 0 14px}
.prose .meta{color:var(--muted)}
.todo{background:var(--surface);padding:0 6px;border-radius:4px;color:var(--red)}

/* Language chooser */
.chooser{min-height:70vh;display:flex;flex-direction:column;justify-content:center;gap:28px}
.chooser ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:12px}

/* Footer */
footer{border-top:1px solid var(--rule);padding:40px 0 48px;font-size:14px;color:var(--muted)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
footer a{color:var(--muted)}
footer ul{display:flex;gap:20px;list-style:none;margin:0;padding:0}
:lang(de) p,:lang(fr) p,:lang(de) li,:lang(fr) li{hyphens:auto;-webkit-hyphens:auto}
.intro.solo{grid-template-columns:1fr}