/* ACloud.Solutions - hand-written, no framework, no external requests. */
:root{
  --bg:#ffffff; --bg-alt:#f6f7f9; --fg:#14171c; --fg-soft:#4d5661; --fg-faint:#6b7480;
  --line:#e2e6ea; --card:#ffffff; --accent:#0b62c4; --accent-fg:#ffffff;
  --term-bg:#0c0c0c; --cyan:#1f8a99; --green:#0d7a2a; --red:#b3261e; --amber:#8a5b00;
  --radius:12px; --maxw:1120px;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0b0d10; --bg-alt:#11141a; --fg:#e9ecf1; --fg-soft:#a8b1bd; --fg-faint:#8b95a1;
    --line:#232830; --card:#12161c; --accent:#4da3ff; --accent-fg:#06121f;
    --cyan:#61d6d6; --green:#16c60c; --red:#e74856; --amber:#c19c00;
  }
}
:root[data-theme="dark"]{
  --bg:#0b0d10; --bg-alt:#11141a; --fg:#e9ecf1; --fg-soft:#a8b1bd; --fg-faint:#8b95a1;
  --line:#232830; --card:#12161c; --accent:#4da3ff; --accent-fg:#06121f;
  --cyan:#61d6d6; --green:#16c60c; --red:#e74856; --amber:#c19c00;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--fg);
  font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
.mono{font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace}
img{max-width:100%;height:auto}
a{color:var(--accent)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--accent);color:var(--accent-fg);padding:10px 16px;border-radius:8px}

/* header */
header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:18px;height:64px}
.brand{font-weight:700;letter-spacing:-.3px;text-decoration:none;color:var(--fg);white-space:nowrap}
.brand span{color:var(--accent)}
.bar{display:flex;align-items:center;gap:22px}
.navmain{margin-left:auto;display:flex;gap:22px;align-items:center}
.navmain a,.navpanel a{color:var(--fg-soft);text-decoration:none;font-size:14.5px}
.navmain a:hover,.navpanel a:hover{color:var(--accent)}
/* Active page is marked rather than removed, so nothing shifts between pages. */
.navmain a[aria-current="page"],.navpanel a[aria-current="page"]{color:var(--fg);font-weight:600}
.navmain a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--accent)}
.baractions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.baractions .btn{white-space:nowrap}

/* The disclosure only exists below 760px. Above it, the inline links are used. */
.navmenu{position:relative}
.navmenu summary{list-style:none;cursor:pointer;font-size:14px;color:var(--fg);
  border:1px solid var(--line);border-radius:9px;padding:9px 13px;white-space:nowrap}
.navmenu summary::-webkit-details-marker{display:none}
.navmenu summary:hover{background:var(--bg-alt)}
.navpanel{position:absolute;right:0;top:calc(100% + 8px);z-index:60;min-width:236px;
  max-height:calc(100vh - 96px);overflow-y:auto;overscroll-behavior:contain;
  display:flex;flex-direction:column;gap:2px;padding:8px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 14px 34px rgba(0,0,0,.22)}
.navpanel a{padding:9px 11px;border-radius:7px}
.navpanel a:hover{background:var(--bg-alt)}

@media (min-width:761px){.navmenu{display:none}}
@media (max-width:760px){
  .navmain{display:none}
  .baractions{margin-left:auto}
}
@media (max-width:420px){
  .baractions .btn-primary{display:none}
}
.iconbtn{background:none;border:1px solid var(--line);color:var(--fg);border-radius:9px;
  width:36px;height:36px;display:grid;place-items:center;cursor:pointer;flex:0 0 auto}
.iconbtn:hover{background:var(--bg-alt)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600;
  border:1px solid transparent;cursor:pointer;font-size:15px}
.btn-primary{background:var(--accent);color:var(--accent-fg)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{border-color:var(--line);color:var(--fg)}
.btn-ghost:hover{background:var(--bg-alt)}
.btn-sm{padding:9px 15px;font-size:14px}

/* hero */
.hero{padding:72px 0 56px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
@media (max-width:940px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.hero-grid>*{min-width:0}
.eyebrow{font-size:12.5px;text-transform:uppercase;letter-spacing:.18em;color:var(--accent);margin:0 0 14px}
h1{font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.1;letter-spacing:-1px;margin:0 0 18px}
.lede{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--fg-soft);margin:0 0 28px;max-width:34em}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-note{margin:18px 0 0;font-size:13.5px;color:var(--fg-faint)}

/* terminal */
.term{border-radius:var(--radius);overflow:hidden;background:var(--term-bg);
  box-shadow:0 18px 44px rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.07)}
.term-bar{display:flex;align-items:center;gap:7px;padding:11px 14px;background:#1c1c1c}
.dot{width:11px;height:11px;border-radius:50%}
.term-title{margin-left:8px;font-size:12px;color:#8a8a8a}
.term-body{padding:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;min-width:0}
.term-body pre{margin:0;font-size:12px;line-height:1.7;color:#f2f2f2;max-width:100%}
.c-cyan{color:#61d6d6}.c-green{color:#16c60c}.c-red{color:#e74856}
.c-amber{color:#c19c00}.c-grey{color:#8a8a8a}.c-blue{color:#3a96dd}

/* sections */
section{padding:64px 0;border-top:1px solid var(--line)}
section.tint{background:var(--bg-alt)}
h2{font-size:clamp(1.5rem,2.6vw,2rem);letter-spacing:-.5px;margin:0 0 12px}
.sec-lede{color:var(--fg-soft);margin:0 0 32px;max-width:52em}

/* products */
.grid{display:grid;gap:16px}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}
.grid>*{min-width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;text-decoration:none;color:inherit;display:flex;flex-direction:column;
  transition:border-color .15s ease,transform .15s ease}
a.card:hover{border-color:var(--accent);transform:translateY(-2px)}
.card h3{margin:0 0 4px;font-size:1.06rem}
.card .kicker{font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);margin:0 0 12px}
.card p{margin:0;color:var(--fg-soft);font-size:14.5px}
.card .go{margin-top:16px;font-size:13.5px;color:var(--accent);font-weight:600}
.badge{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;padding:3px 9px;border-radius:99px;
  background:var(--green);color:#062a08;margin-left:8px;vertical-align:2px}

/* services */
.svc{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.svc>div{min-width:0}
.svc h3{margin:14px 0 6px;font-size:1.02rem}
.svc p{margin:0;color:var(--fg-soft);font-size:14.5px}
.ico{width:34px;height:34px;color:var(--accent)}

/* facts */
.facts{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));margin-top:8px}
.fact{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:var(--card)}
.fact b{display:block;font-size:1.6rem;letter-spacing:-.5px}
.fact span{color:var(--fg-faint);font-size:12.5px;text-transform:uppercase;letter-spacing:.07em}

/* contact + footer */
.contact-box{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--card);
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
footer{border-top:1px solid var(--line);padding:34px 0;color:var(--fg-faint);font-size:13.5px}
.foot{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}
footer a{color:var(--fg-soft)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* ---- two-track fork: services and tools carry equal weight ---- */
.fork{display:grid;gap:20px;grid-template-columns:repeat(3,1fr);margin-top:8px}
@media (max-width:1000px){.fork{grid-template-columns:1fr 1fr}}
@media (max-width:720px){.fork{grid-template-columns:1fr}}
.fork>*{min-width:0}
.track{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:var(--card);
  display:flex;flex-direction:column}
.track.lead{border-color:var(--accent);border-width:2px}
.track .tag{font-size:11.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);
  margin:0 0 10px;font-weight:700}
.track h3{margin:0 0 10px;font-size:1.35rem;letter-spacing:-.3px}
.track p{margin:0 0 18px;color:var(--fg-soft);font-size:15px}
.track ul{margin:0 0 22px;padding:0;list-style:none}
.track li{position:relative;padding-left:22px;margin-bottom:8px;color:var(--fg-soft);font-size:14.5px}
.track li::before{content:"";position:absolute;left:4px;top:8px;width:7px;height:7px;
  border-radius:50%;background:var(--accent)}
.track .foot-cta{margin-top:auto}

/* ---- service detail cards ---- */
.svc-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(272px,1fr))}
.svc-grid>*{min-width:0}
.svc-card{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--card)}
.svc-card .ico{margin-bottom:14px}
.svc-card h3{margin:0 0 8px;font-size:1.08rem}
.svc-card p{margin:0 0 14px;color:var(--fg-soft);font-size:14.5px}
.svc-card ul{margin:0;padding:0;list-style:none}
.svc-card li{font-size:13.5px;color:var(--fg-faint);padding-left:16px;position:relative;margin-bottom:6px}
.svc-card li::before{content:"–";position:absolute;left:0;color:var(--accent)}

/* ---- engagement steps ---- */
.steps{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));margin-top:8px;
  counter-reset:step}
.steps>div{min-width:0;border-left:2px solid var(--accent);padding:4px 0 4px 18px;counter-increment:step}
.steps h4{margin:0 0 6px;font-size:1rem}
.steps h4::before{content:counter(step) ". ";color:var(--accent);font-family:ui-monospace,monospace}
.steps p{margin:0;color:var(--fg-soft);font-size:14px}

/* ---- book ---- */
.book-grid{display:grid;grid-template-columns:320px 1fr;gap:44px;align-items:start}
@media (max-width:820px){.book-grid{grid-template-columns:1fr;gap:28px}}
.book-grid>*{min-width:0}

/* The printed cover. 1600x2560 in the source file, so 5/8 rather than the
   paperback trim ratio. object-fit guards against a future file at a different
   ratio; aspect-ratio reserves the space so the page does not shift on load. */
.bookcover{display:block;width:100%;height:auto;aspect-ratio:1600/2560;object-fit:cover;
  border-radius:4px;background:#16191d;
  box-shadow:0 18px 44px rgba(0,0,0,.34);border:1px solid rgba(255,255,255,.06)}
.bookcover-link{display:block;border-radius:4px;transition:transform .18s ease}
.bookcover-link:hover{transform:translateY(-3px)}
@media (prefers-reduced-motion:reduce){.bookcover-link{transition:none}
  .bookcover-link:hover{transform:none}}

.meta{width:100%;border-collapse:collapse;margin-top:8px;font-size:14px}
.meta th,.meta td{text-align:left;padding:9px 0;border-bottom:1px solid var(--line);vertical-align:top}
.meta th{color:var(--fg-faint);font-weight:500;width:44%;font-size:13px}
.toc{margin:0;padding:0;list-style:none}
.toc li{position:relative;padding-left:26px;margin-bottom:12px;color:var(--fg-soft)}
.toc li::before{content:"";position:absolute;left:6px;top:9px;width:7px;height:7px;
  border-radius:50%;background:var(--accent)}
.toc b{color:var(--fg);font-weight:600}
.pull{border-left:3px solid var(--accent);padding:6px 0 6px 20px;margin:26px 0;
  font-size:1.1rem;line-height:1.5;color:var(--fg)}

/* The book page takes the book's own accent so the page matches the artwork. */
body.book-page{--accent:#b87615}
@media (prefers-color-scheme:dark){body.book-page{--accent:#e0a133}}
:root[data-theme="dark"] body.book-page{--accent:#e0a133}

/* The line off the cover, reused once as a closing note. */
.coverline{display:flex;align-items:center;gap:11px;justify-content:center;
  margin:26px 0 0;font-size:13px;color:var(--fg-faint)}
.coverline .tick{display:block;width:13px;height:13px;flex:0 0 auto;position:relative;
  background:var(--accent);border-radius:2px}
.coverline .tick::after{content:"";position:absolute;left:26%;top:42%;width:44%;height:22%;
  border-left:2px solid var(--bg);border-bottom:2px solid var(--bg);
  transform:rotate(-48deg);transform-origin:left bottom}

/* Utility classes replacing inline style attributes. The CSP sets
   style-src 'self', which blocks style="" outright, and a local
   python http.server never sends _headers so this only shows up once
   deployed. Keep new rules here rather than inline. */
.ico-sm{width:17px;height:17px}
.no-top-rule{border-top:0}
.h1-sub{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.mw-60{max-width:60em}
.mw-52{max-width:52em}
.nf-main{padding:96px 20px;text-align:center}
.mb-14{margin-bottom:14px}
.mb-28-centred{margin:0 auto 28px}
.jc-centre{justify-content:center}
.mt-52{margin-top:52px}
.mt-36{margin-top:36px}
.mt-22{margin-top:22px}
.mt-20{margin-top:20px}
.mb-6{margin-bottom:6px}
.mb-0{margin-bottom:0}
.m-0{margin:0}
.mb-4{margin:0 0 4px}
.m-0-soft{margin:0;color:var(--fg-soft)}
.foot-brand{margin:0 0 4px;color:var(--fg);font-weight:600}
.ta-right{text-align:right}
.dot-red{background:#ff5f57}
.dot-amber{background:#febc2e}
.dot-green{background:#28c840}

/* ---- notes ---- */
.crumb{border-bottom:1px solid var(--line);font-size:13px;color:var(--fg-faint)}
.crumb .wrap{padding:11px 20px}
.crumb a{color:var(--fg-faint);text-decoration:none}
.crumb a:hover{color:var(--accent);text-decoration:underline}
.crumb-sep{color:var(--fg-faint);opacity:.6}

.prose{max-width:760px;padding-top:40px;padding-bottom:64px}
.prose h1{font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.2;margin:6px 0 14px}
.prose h2{font-size:1.32rem;line-height:1.3;margin:40px 0 12px}
.prose h3{font-size:1.08rem;margin:28px 0 8px}
.prose p,.prose li{color:var(--fg-soft)}
.prose li{margin-bottom:7px}
.prose strong{color:var(--fg)}
.prose blockquote{margin:24px 0;padding:2px 0 2px 20px;border-left:3px solid var(--accent);
  color:var(--fg)}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;display:block;
  overflow-x:auto}
.prose th,.prose td{text-align:left;padding:9px 12px 9px 0;border-bottom:1px solid var(--line);
  vertical-align:top}
.prose th{color:var(--fg);font-weight:600}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:5px;padding:1px 5px}
.postmeta{font-size:13.5px;color:var(--fg-faint);margin:0 0 30px}
.eyebrow.mono a{color:var(--accent);text-decoration:none;letter-spacing:.14em;
  text-transform:uppercase;font-size:11.5px}
.eyebrow.mono a:hover{text-decoration:underline}

/* Code blocks reuse the terminal treatment already on the homepage. */
.codewrap{position:relative;margin:24px 0;border-radius:var(--radius);overflow:hidden;
  background:var(--term-bg);border:1px solid #222}
.codewrap::before{content:attr(data-lang);position:absolute;top:0;left:0;
  font:600 10.5px/1 ui-monospace,monospace;letter-spacing:.13em;text-transform:uppercase;
  color:#8a8a8a;background:#1c1c1c;padding:8px 11px;border-bottom-right-radius:8px}
.codewrap pre{margin:0;padding:38px 16px 16px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.codewrap code{background:none;border:0;padding:0;color:#f2f2f2;font-size:12.5px;line-height:1.7}
.copybtn{position:absolute;top:6px;right:6px;z-index:2;background:#2a2a2a;color:#d8d8d8;
  border:1px solid #3a3a3a;border-radius:6px;font:500 11.5px/1 inherit;padding:6px 10px;
  cursor:pointer}
.copybtn:hover{background:#343434;color:#fff}

.cta{margin:44px 0 0;padding:22px 24px;background:var(--bg-alt);border:1px solid var(--line);
  border-left:3px solid var(--accent);border-radius:var(--radius)}
.cta h2{margin:0 0 8px;font-size:1.06rem}
.cta p{margin:0}

.seq{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;margin:36px 0 0;
  padding-top:22px;border-top:1px solid var(--line);font-size:14px}
.seq a{min-width:0}
.seq-next{margin-left:auto;text-align:right}

.related{margin:36px 0 0;padding-top:22px;border-top:1px solid var(--line)}
.related h2{margin:0 0 10px;font-size:1.02rem}
.related ul{margin:0;padding-left:20px}

.notelist,.hublist{list-style:none;margin:26px 0 0;padding:0}
.hublist{list-style:decimal;padding-left:22px}
.hublist li{margin-bottom:10px}
.notecard{padding:22px 0;border-top:1px solid var(--line)}
.notecard h2{margin:6px 0 8px;font-size:1.22rem;line-height:1.3}
.notecard h2 a{color:var(--fg);text-decoration:none}
.notecard h2 a:hover{color:var(--accent)}
.li-meta{font-size:12.5px;color:var(--fg-faint);margin:8px 0 0}
.hublist .li-meta{margin-left:8px;display:inline}
.pager{display:flex;gap:18px;align-items:center;margin:32px 0 0;padding-top:20px;
  border-top:1px solid var(--line);font-size:14px;color:var(--fg-faint)}

/* Tools dropdown. <details> so it works from the keyboard and on touch with no
   JavaScript; the script only adds click-outside and Escape to close. */
.navdrop{position:relative}
.navdrop summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:5px;
  color:var(--fg-soft);font-size:14.5px;padding:2px 0}
.navdrop summary::-webkit-details-marker{display:none}
.navdrop summary:hover{color:var(--accent)}
.navdrop[data-active="1"] summary{color:var(--fg);font-weight:600;
  box-shadow:inset 0 -2px 0 var(--accent)}
.chev{width:14px;height:14px;flex:0 0 auto;transition:transform .15s ease}
.navdrop[open] .chev{transform:rotate(180deg)}
@media (prefers-reduced-motion:reduce){.chev{transition:none}}
.dropanel{position:absolute;left:-14px;top:calc(100% + 12px);z-index:60;min-width:266px;
  max-width:min(340px,calc(100vw - 40px));
  display:flex;flex-direction:column;gap:2px;padding:8px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 14px 34px rgba(0,0,0,.22)}
.dropanel a{color:var(--fg-soft);text-decoration:none;font-size:14px;padding:9px 11px;
  border-radius:7px}
.dropanel a:hover{background:var(--bg-alt);color:var(--accent)}
.dropanel a[aria-current="page"]{color:var(--fg);font-weight:600;background:var(--bg-alt)}
.dropanel a:first-child{border-bottom:1px solid var(--line);border-radius:7px 7px 0 0;
  margin-bottom:4px;padding-bottom:11px}

/* In the compact panel the products are indented under Tools instead. */
.navpanel .subitem{font-size:13.5px;padding-left:24px;color:var(--fg-faint)}
.navpanel .subitem:hover{color:var(--accent)}
.navpanel .subitem[aria-current="page"]{color:var(--fg);font-weight:600}

/* Topics menu on the notes index. */
.topicgrid{list-style:none;margin:22px 0 8px;padding:0;display:grid;gap:14px;
  grid-template-columns:repeat(auto-fit,minmax(290px,1fr))}
.topicgrid>li{min-width:0;padding:16px 18px;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius)}
.topicgrid a{display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  text-decoration:none;margin-bottom:6px}
.topicname{color:var(--fg);font-weight:600;font-size:1.02rem}
.topicgrid a:hover .topicname{color:var(--accent)}
.topiccount{color:var(--fg-faint);font-size:12.5px;white-space:nowrap;flex:0 0 auto}
.topicgrid p{font-size:14px;margin:0}