/* ANULUM.CH — Private AI infrastructure. Swiss typographic style.
   Self-contained: no external fonts, no external requests. */

:root{
  --paper:#f7f6f2;
  --paper-2:#efede7;
  --ink:#16181d;
  --ink-2:#3a3f47;
  --muted:#5c6470;
  --line:#dcd9d1;
  --accent:#c8321e;
  --accent-ink:#a02718;
  --ok:#2e6e4e;
  --maxw:1080px;
  --step-0:1.0625rem;
  --step-1:1.3125rem;
  --step-2:1.75rem;
  --step-3:2.375rem;
  --step-4:3.25rem;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Helvetica Neue",Helvetica,"Segoe UI",Arial,system-ui,sans-serif;
  font-size:var(--step-0);
  line-height:1.65;
  font-feature-settings:"kern";
  text-rendering:optimizeLegibility;
}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-ink);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--accent)}
::selection{background:var(--accent);color:#fff}

h1,h2,h3,h4{line-height:1.15;letter-spacing:-0.012em;font-weight:700;margin:0 0 .6em}
h1{font-size:var(--step-4);max-width:22ch}
h2{font-size:var(--step-2);margin-top:2.6em}
h3{font-size:var(--step-1);margin-top:1.8em}
p{margin:0 0 1.1em;max-width:68ch}
ul,ol{padding-left:1.2em;max-width:66ch}
li{margin:.35em 0}
strong{font-weight:700}
hr{border:0;border-top:1px solid var(--line);margin:3rem 0}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}

/* ---------- background rain (paper-subtle) ---------- */
#bg-rain{position:fixed;inset:0;z-index:-1;width:100%;height:100%}

/* ---------- header / nav ---------- */
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:.5em 1em;z-index:99}
.skip:focus{left:0}
header.site{
  border-bottom:1px solid var(--line);
  background:var(--paper);
  position:sticky;top:0;z-index:50;
}
.nav{
  display:flex;align-items:center;gap:1.5rem;
  min-height:64px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-weight:700;letter-spacing:.14em;font-size:1rem}
.brand svg{flex:none}
.brand .tld{color:var(--accent);font-weight:400}
.brand-logo{height:28px;width:auto;display:block;flex:none}
.brand-logo-hero{height:46px;margin:0 0 1.2rem}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:4px;padding:.45em .7em;color:var(--ink);font:inherit;cursor:pointer}
nav.primary{margin-left:auto;display:flex;align-items:center;gap:1.1rem;flex-wrap:wrap}
nav.primary a{color:var(--ink-2);text-decoration:none;font-size:.95rem;padding:.35em 0;border-bottom:2px solid transparent}
nav.primary a:hover{color:var(--ink)}
nav.primary a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--accent)}
.cta-mini{border:1.5px solid var(--accent);border-radius:4px;padding:.4em .8em !important;color:var(--accent-ink) !important;font-weight:600;white-space:nowrap}
.cta-mini:hover{background:var(--accent);color:#fff !important}
.lang{display:flex;gap:.15rem;align-items:center;font-size:.85rem;letter-spacing:.08em}
.lang a,.lang span{padding:.25em .45em;text-decoration:none;color:var(--muted);border-radius:3px}
.lang span[aria-current]{color:var(--ink);font-weight:700;background:var(--paper-2)}
@media(max-width:920px){
  .nav-toggle{display:block}
  nav.primary{display:none;flex-basis:100%;flex-direction:column;align-items:flex-start;gap:.2rem;padding:.6rem 0 1rem}
  nav.primary.open{display:flex}
  nav.primary a{font-size:1.05rem;padding:.5em 0}
  .lang{margin-left:0}
}

/* ---------- hero ---------- */
.hero{padding:5.5rem 0 4rem;border-bottom:1px solid var(--line)}
.hero .kicker{color:var(--accent-ink);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.8rem;margin-bottom:1.2rem}
.hero p.lead{font-size:var(--step-1);color:var(--ink-2);max-width:52ch;margin-top:1.2rem}
.rule{width:56px;height:4px;background:var(--accent);border:0;margin:0 0 1.6rem}

/* ---------- buttons ---------- */
.btn{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:700;
  padding:.85em 1.5em;border-radius:4px;letter-spacing:.01em;margin:.4rem .6rem .4rem 0}
.btn:hover{background:var(--accent-ink);color:#fff}
.btn.ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink-2)}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent-ink);background:transparent}

/* ---------- sections & grids ---------- */
section{padding:3.2rem 0}
section.alt{background:var(--paper-2)}
.grid{display:grid;gap:1.1rem;margin:2rem 0}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){.grid.c3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid.c2,.grid.c3{grid-template-columns:1fr}}
.tile{border:1px solid var(--line);border-radius:6px;padding:1.35rem 1.35rem 1.1rem;background:var(--paper)}
.tile h3{margin-top:0;font-size:1.08rem}
.tile p{font-size:.95rem;color:var(--ink-2);margin-bottom:0}
.tile .num{color:var(--accent);font-weight:700;font-size:.85rem;letter-spacing:.1em}
.tile a.more{font-size:.9rem;display:inline-block;margin-top:.7rem}

/* ---------- tables ---------- */
.tablewrap{overflow-x:auto;margin:1.6rem 0}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{border:1px solid var(--line);padding:.6em .8em;text-align:left;vertical-align:top}
th{background:var(--paper-2);font-weight:700}
caption{caption-side:bottom;color:var(--muted);font-size:.85rem;padding-top:.5em;text-align:left}

/* ---------- steps / timeline ---------- */
ol.steps{list-style:none;padding:0;margin:2rem 0;counter-reset:step}
ol.steps li{counter-increment:step;padding:1rem 0 1rem 3.4rem;position:relative;border-top:1px solid var(--line)}
ol.steps li:last-child{border-bottom:1px solid var(--line)}
ol.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:1rem;
  color:var(--accent);font-weight:700;font-size:1.15rem;letter-spacing:.05em}
ol.steps b,ol.steps strong{display:block;margin-bottom:.15em}
ol.steps .dur{color:var(--muted);font-size:.85rem;letter-spacing:.04em}

/* ---------- callouts ---------- */
.note{border-left:4px solid var(--accent);background:var(--paper-2);padding:1rem 1.25rem;margin:1.8rem 0;max-width:72ch}
.note.quiet{border-left-color:var(--muted)}
.note p:last-child{margin-bottom:0}
.guard{font-style:italic;color:var(--ink-2)}

/* ---------- checklists ---------- */
ul.check{list-style:none;padding:0;max-width:70ch}
ul.check li{padding-left:1.7em;position:relative;margin:.5em 0}
ul.check li::before{content:"";position:absolute;left:0;top:.42em;width:.85em;height:.85em;
  border:2px solid var(--ok);border-radius:50%}
ul.no li::before{border-color:var(--accent)}
ul.no li::after{content:"";position:absolute;left:.28em;top:.55em;width:.35em;height:2px;background:var(--accent)}

/* ---------- diagrams ---------- */
figure.diagram{margin:2.2rem 0;border:1px solid var(--line);border-radius:6px;padding:1.2rem;background:var(--paper)}
figure.diagram figcaption{color:var(--muted);font-size:.85rem;margin-top:.8rem}
.diagram svg text{font-family:inherit}

/* ---------- CTA band ---------- */
.ctaband{background:var(--ink);color:var(--paper);padding:3.4rem 0;margin-top:3rem}
.ctaband h2{margin-top:0;color:inherit}
.ctaband p{color:var(--paper);opacity:.85}
.ctaband .btn{background:var(--accent)}
.ctaband a{color:inherit}

/* ---------- footer ---------- */
footer.site{background:var(--ink);color:#b9bcc3;padding:3rem 0 2.2rem;font-size:.9rem}
footer.site h4{color:#eceae4;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin:0 0 .8em}
footer.site a{color:#b9bcc3;text-decoration:none}
footer.site a:hover{color:#fff;text-decoration:underline}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:860px){.fgrid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.fgrid{grid-template-columns:1fr}}
footer .legal{border-top:1px solid #2c3037;margin-top:2.2rem;padding-top:1.4rem;display:flex;gap:1.5rem;flex-wrap:wrap;justify-content:space-between;color:#8a8f98}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:.4em 0}

/* ---------- utility ---------- */
.muted{color:var(--muted)}
.small{font-size:.88rem}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:.35em 1.4em;max-width:70ch}
.kv dt{font-weight:700}
.kv dd{margin:0}
@media(max-width:560px){.kv{grid-template-columns:1fr}.kv dd{margin-bottom:.6em}}

/* ---------- print ---------- */
@media print{
  header.site,footer.site,.ctaband,.nav-toggle,.lang,.skip,#bg-rain{display:none}
  body{background:#fff;color:#000;font-size:11pt}
  a{color:#000;text-decoration:none}
  section{padding:1rem 0}
}