/* Ab Tech — public site styles (v8). Light by default, dark via prefers-color-scheme. */
:root{
  --bg:#ffffff; --bg-soft:#f5f7fa; --surface:#ffffff; --ink:#0f172a; --ink-2:#334155; --ink-3:#64748b;
  --line:#e2e8f0; --navy:#0b1b33; --navy-2:#13294b; --accent:#b45309; --accent-bright:#f5a623; --accent-soft:#fff4e0;
  --link:#1d4ed8; --ok:#15803d; --ok-soft:#e8f6ec; --warn-soft:#fff7e6; --code-bg:#0f172a; --code-ink:#e2e8f0;
  --radius:12px; --shadow:0 1px 2px rgba(15,23,42,.06),0 4px 16px rgba(15,23,42,.06);
  --font:'Inter','Noto Sans Ethiopic',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0b1220;--bg-soft:#0f192c;--surface:#111c31;--ink:#e8edf5;--ink-2:#b6c2d4;--ink-3:#8696ae;--line:#223049;
    --accent:#f5a623;--accent-soft:#2a2112;--link:#7aa7ff;--ok:#4ade80;--ok-soft:#10261a;--warn-soft:#2a2112;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 4px 16px rgba(0,0,0,.35);}
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;height:auto}
a{color:var(--link);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3,h4{line-height:1.25;color:var(--ink);letter-spacing:-.01em}
:focus-visible{outline:3px solid var(--accent-bright);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 14px;border-radius:8px;z-index:200}
.skip-link:focus{left:8px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.wrap-narrow{width:min(760px,100% - 40px);margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:var(--navy);color:var(--accent-bright);font-size:15px;font-weight:800;letter-spacing:.02em}
.brand-text{display:flex;flex-direction:column;line-height:1.1;font-size:18px}
.brand-text small{font-size:12px;font-weight:500;color:var(--ink-3)}
.site-nav{display:flex;gap:4px;align-items:center}
.site-nav a{padding:9px 14px;border-radius:8px;color:var(--ink-2);text-decoration:none;font-weight:500;font-size:15px}
.site-nav a:hover{background:var(--bg-soft);color:var(--ink)}
.site-nav a[aria-current="page"]{color:var(--accent);background:var(--accent-soft)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
@media (max-width:760px){
  .nav-toggle{display:flex}
  .site-nav{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg);border-bottom:1px solid var(--line);padding:10px 20px 16px;display:none}
  .site-nav.open{display:flex}
  .site-nav a{padding:13px 12px;font-size:16px}
}

/* Buttons & tags */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;font:600 15px var(--font);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent-bright);color:#1a1200}
.btn-primary:hover{box-shadow:0 6px 18px rgba(245,166,35,.35)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor;opacity:.92}
.tag{display:inline-block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);background:var(--accent-soft);padding:4px 10px;border-radius:999px}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);color:#e8edf5;padding:84px 0 76px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(245,166,35,.22),transparent 65%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center}
.hero h1{color:#fff;font-size:clamp(2rem,4.6vw,3.25rem);margin:14px 0 18px;letter-spacing:-.025em}
.hero h1 em{font-style:normal;color:var(--accent-bright)}
.hero p{font-size:1.125rem;color:#c3cfe2;max-width:56ch;margin:0 0 28px}
.hero .eyebrow{color:var(--accent-bright);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-panel{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:22px}
.hero-panel h2{color:#fff;font-size:1rem;margin:0 0 12px;text-transform:uppercase;letter-spacing:.06em}
.hero-panel ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.hero-panel li a{display:block;color:#e8edf5;text-decoration:none;padding:12px 14px;border-radius:10px;background:rgba(255,255,255,.06);font-weight:600;font-size:15px}
.hero-panel li a:hover{background:rgba(255,255,255,.12)}
.hero-panel li span{display:block;font-weight:400;font-size:13px;color:#9fb0c9;margin-top:2px}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr}.hero{padding:60px 0 56px}}

/* Sections */
.section{padding:64px 0}
.section-soft{background:var(--bg-soft)}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{margin:0;font-size:1.75rem}
.section-head p{margin:6px 0 0;color:var(--ink-3)}
.section-head a.more{font-weight:600;text-decoration:none}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{display:flex;flex-direction:column;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}
.card:hover{border-color:var(--accent-bright);box-shadow:var(--shadow);transform:translateY(-2px)}
.card h3{margin:2px 0 0;font-size:1.125rem}
.card p{margin:0;color:var(--ink-2);font-size:15px}
.card-meta{margin-top:auto;font-size:13px;color:var(--ink-3)}
.card-feature{grid-column:1/-1;display:grid;grid-template-columns:1fr;padding:30px}
.card-feature h3{font-size:1.5rem}
.topics{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.topic{padding:20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.topic h3{margin:0 0 6px;font-size:1rem}
.topic p{margin:0;color:var(--ink-2);font-size:14.5px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media (max-width:820px){.split{grid-template-columns:1fr}}
.checks{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.checks li{padding-left:28px;position:relative}
.checks li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}

/* Page (about, policies, etc.) */
.page{padding:48px 0 72px}
.page h1{font-size:clamp(1.9rem,4vw,2.5rem);margin:0 0 10px}
.page .page-sub{color:var(--ink-3);margin:0 0 32px}
.page h2{font-size:1.4rem;margin:2.2em 0 .5em}
.page h3{font-size:1.1rem;margin:1.6em 0 .4em}
.page p,.page li{color:var(--ink-2)}
.page ul,.page ol{padding-left:1.3em}
.page li{margin:.3em 0}

/* Article */
.article{padding:36px 0 24px}
.breadcrumbs{font-size:14px;color:var(--ink-3);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.breadcrumbs a{color:var(--ink-3);text-decoration:none}.breadcrumbs a:hover{color:var(--ink)}
.article-head h1{font-size:clamp(1.85rem,4.2vw,2.6rem);margin:12px 0 14px;letter-spacing:-.02em}
.lede{font-size:1.2rem;color:var(--ink-2);margin:0 0 22px}
.byline{display:flex;gap:12px;align-items:center;padding:14px 0;border-block:1px solid var(--line);margin-bottom:26px}
.byline-meta{font-size:14px;color:var(--ink-3)}
.avatar{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:var(--navy);color:var(--accent-bright);font-weight:800;flex:none}
.avatar-lg{width:56px;height:56px;font-size:22px}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:0 0 28px}
.toc-title{font-size:.8rem!important;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin:0 0 8px!important}
.toc ol{margin:0;padding-left:1.2em;display:grid;gap:4px;font-size:15.5px}
.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}
.prose{font-size:1.1rem;line-height:1.8;color:var(--ink-2)}
.prose p{margin:0 0 1.25em}
.prose h2{font-size:1.6rem;margin:2.1em 0 .6em;padding-top:.2em}
.prose h3{font-size:1.25rem;margin:1.7em 0 .5em}
.prose ul,.prose ol{padding-left:1.35em;margin:0 0 1.35em}
.prose li{margin:.45em 0}
.prose strong{color:var(--ink)}
.prose code{font-family:var(--mono);font-size:.88em;background:var(--bg-soft);border:1px solid var(--line);padding:.1em .38em;border-radius:6px}
.prose pre{background:var(--code-bg);color:var(--code-ink);border-radius:var(--radius);padding:18px 20px;overflow-x:auto;margin:0 0 1.5em;font-size:.88rem;line-height:1.65;tab-size:2}
.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
.prose table{width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:.95rem;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--bg-soft);color:var(--ink)}
.prose blockquote{margin:0 0 1.4em;padding:4px 0 4px 18px;border-left:4px solid var(--accent-bright);color:var(--ink-2)}
.callout{background:var(--warn-soft);border:1px solid var(--accent-bright);border-radius:var(--radius);padding:16px 20px;margin:0 0 1.5em}
.callout p:last-child{margin-bottom:0}
.callout-title{font-weight:700;color:var(--ink);margin:0 0 .3em!important}
.author-box{display:flex;gap:16px;align-items:flex-start;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:40px 0 18px}
.author-box h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);margin:0 0 6px}
.author-box p{margin:0 0 6px;font-size:15.5px;color:var(--ink-2)}
.correction-note{font-size:14.5px;color:var(--ink-3);margin-bottom:8px}
.related{padding:20px 0 70px}.related h2{font-size:1.4rem;margin:0 0 18px}

/* Ads */
.ad-slot{margin:30px 0;min-height:120px;text-align:center}
.ad-label{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}

/* Forms */
.form{display:grid;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.form h3{margin:0}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:600px){.row2{grid-template-columns:1fr}}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:11px 13px}
.field textarea{min-height:120px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent-bright);outline:none;box-shadow:0 0 0 3px rgba(245,166,35,.25)}
.form-ok{display:none;background:var(--ok-soft);color:var(--ok);border-radius:10px;padding:12px 14px;font-weight:600;font-size:15px}
.hp{position:absolute;left:-9999px;opacity:0}

/* Services / product */
.service-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;list-style:none;padding:0;margin:0}
.steps li{counter-increment:s;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.steps li::before{content:counter(s);display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--navy);color:var(--accent-bright);font-weight:800;margin-bottom:10px}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:var(--ok-soft);color:var(--ok)}
.contact-list{display:grid;gap:14px;margin:0;padding:0;list-style:none}
.contact-list a{display:flex;gap:14px;align-items:center;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);background:var(--surface)}
.contact-list a:hover{border-color:var(--accent-bright)}
.contact-list strong{display:block}.contact-list span.sub{color:var(--ink-3);font-size:14.5px}
.contact-ico{font-size:1.5rem;width:34px;text-align:center}

/* Footer */
.site-footer{background:var(--navy);color:#b8c5da;padding:56px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}.footer-about{grid-column:1/-1}}
.site-footer h3{color:#fff;font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;margin:0 0 12px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:15px}
.site-footer a{color:#b8c5da;text-decoration:none}.site-footer a:hover{color:#fff;text-decoration:underline}
.brand-light{color:#fff}.brand-light .brand-text small{color:#8fa2c0}.brand-light .brand-mark{background:rgba(255,255,255,.1)}
.footer-about p{font-size:15px;max-width:38ch;margin:14px 0 0}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:14px}
.footer-legal{display:flex;gap:18px;flex-wrap:wrap}

/* Cookie notice */
.cookie-bar{position:fixed;left:16px;right:16px;bottom:16px;max-width:760px;margin-inline:auto;z-index:150;display:flex;gap:16px;align-items:center;background:var(--navy);color:#e8edf5;padding:14px 18px;border-radius:14px;box-shadow:0 12px 40px rgba(0,0,0,.35);font-size:14.5px}
.cookie-bar[hidden]{display:none}
.cookie-bar p{margin:0}.cookie-bar a{color:var(--accent-bright)}
.cookie-bar .btn{padding:9px 18px;flex:none}
@media (max-width:560px){.cookie-bar{flex-direction:column;align-items:stretch}}

/* 404 */
.notfound{text-align:center;padding:90px 0}
.notfound .big{font-size:5rem;font-weight:800;color:var(--accent-bright);line-height:1}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-header,.site-footer,.cookie-bar,.ad-slot,.toc{display:none}}