/* Bobook Limited, bobook.club. Self-contained: no external fonts, scripts or images. */
:root{
  --ink:#0b1b33;        /* deep navy */
  --ink-2:#13284a;
  --text:#1c2738;
  --muted:#4a5568;      /* 7.4:1 on white */
  --line:#e3e8ef;
  --bg:#ffffff;
  --bg-soft:#f6f8fb;
  --accent:#2357d9;     /* 6.0:1 on white */
  --accent-strong:#1a45b3;
  --accent-tint:#eaf0fd;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(11,27,51,.06),0 1px 3px rgba(11,27,51,.05);
  --shadow-md:0 10px 24px -8px rgba(11,27,51,.16),0 4px 10px -4px rgba(11,27,51,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI Variable","Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block}
a{color:var(--accent);text-underline-offset:3px}
a:hover{color:var(--accent-strong)}
:focus-visible{outline:3px solid #7aa2ff;outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.narrow{max-width:760px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700;letter-spacing:-.01em;font-size:1.05rem}
.brand:hover{color:var(--ink)}
.brand svg{width:34px;height:34px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{color:var(--muted);text-decoration:none;font-size:.95rem;font-weight:500;padding:8px 12px;border-radius:8px}
.nav a:hover{color:var(--ink);background:var(--bg-soft)}
.nav a.nav-cta{color:#fff;background:var(--ink);margin-left:6px}
.nav a.nav-cta:hover{background:var(--ink-2);color:#fff}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:1rem;text-decoration:none;padding:13px 22px;border-radius:10px;border:1px solid transparent;transition:background .15s,border-color .15s,transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:#fff;color:var(--ink)}
.btn-primary:hover{background:#eef2f8;color:var(--ink)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.06)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);color:#fff;box-shadow:var(--shadow-md)}

/* Hero */
.hero{position:relative;overflow:hidden;color:#fff;background:
  radial-gradient(1000px 500px at 85% -10%,rgba(35,87,217,.45),transparent 60%),
  radial-gradient(700px 400px at -10% 110%,rgba(35,87,217,.25),transparent 60%),
  var(--ink)}
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),transparent 85%);-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.6),transparent 85%);pointer-events:none}
.hero .container{position:relative;z-index:1;padding-top:104px;padding-bottom:112px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#c9d6f5;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);padding:6px 12px;border-radius:999px;margin:0 0 26px}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:#6ee7b7}
.hero h1{font-size:clamp(2.6rem,6vw,4.2rem);line-height:1.05;letter-spacing:-.03em;margin:0 0 18px;font-weight:800}
.hero .lead{font-size:clamp(1.15rem,2.2vw,1.4rem);color:#dbe4f7;max-width:640px;margin:0 0 10px;line-height:1.5}
.hero .sub{color:#a9b8d6;max-width:620px;margin:0 0 36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

/* Sections */
.section{padding:96px 0}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:640px;margin:0 0 44px}
.kicker{display:block;font-size:.8rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
h2{font-size:clamp(1.8rem,3.2vw,2.4rem);line-height:1.15;letter-spacing:-.02em;color:var(--ink);margin:0 0 14px;font-weight:750}
.section-head p{color:var(--muted);margin:0;font-size:1.05rem}

/* Product cards */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd8e6}
.card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:20px}
.tile{width:52px;height:52px;border-radius:12px;background:var(--accent-tint);color:var(--accent);display:grid;place-items:center;flex:none}
.tile svg{width:26px;height:26px}
.tag{font-size:.75rem;font-weight:600;color:var(--ink-2);background:var(--bg-soft);border:1px solid var(--line);padding:4px 10px;border-radius:999px;white-space:nowrap}
.card h3{font-size:1.15rem;line-height:1.3;color:var(--ink);margin:0 0 8px;letter-spacing:-.01em}
.card p{color:var(--muted);margin:0 0 20px;font-size:.98rem;flex:1}
.card p a{font-weight:500}
.card-link{align-self:flex-start;font-weight:600;font-size:.95rem;text-decoration:none;color:var(--accent)}
.card-link::after{content:"";position:absolute;inset:0;border-radius:var(--radius)}
.card-link:hover{text-decoration:underline}
.card p a{position:relative;z-index:2}
.status{align-self:flex-start;display:inline-flex;align-items:center;gap:7px;font-size:.9rem;font-weight:600;color:#8a5a00;background:#fff6e0;border:1px solid #f3dfa8;padding:4px 10px;border-radius:999px}
.status::before{content:"";width:7px;height:7px;border-radius:50%;background:#d39b12}
.card.muted{background:#fbfcfe}
.card.muted:hover{transform:none;box-shadow:var(--shadow-sm);border-color:var(--line)}

/* About */
.about{display:grid;grid-template-columns:1fr 1.4fr;gap:56px;align-items:start}
.about p.big{font-size:clamp(1.25rem,2.2vw,1.55rem);line-height:1.5;color:var(--ink);margin:0;letter-spacing:-.01em}

/* Company facts */
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;margin:56px 0 0;padding-top:32px;border-top:1px solid var(--line)}
.fact{border-left:3px solid var(--accent);padding-left:16px}
.fact dt{font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:700;margin:0 0 6px}
.fact dd{margin:0;font-size:1.05rem;font-weight:650;color:var(--ink);line-height:1.4}
.fact dd span{display:block;margin-top:4px;font-size:.92rem;font-weight:400;color:var(--muted)}

/* Service extras */
.card p.fine{flex:none;margin:-8px 0 18px;font-size:.9rem;font-weight:600;color:var(--ink-2)}
.card-cta{background:var(--ink);border-color:var(--ink);color:#fff;justify-content:center;background-image:radial-gradient(420px 260px at 100% 0%,rgba(35,87,217,.55),transparent 70%)}
.card-cta:hover{border-color:var(--ink)}
.card-cta h3{color:#fff;font-size:1.3rem}
.card-cta p{color:#c3cfe8;flex:none}
.card-cta .card-link{color:#fff}
.card-cta .card-link:hover{color:#cfe0ff}

/* Contact */
.contact{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;background:var(--ink);color:#fff;border-radius:24px;padding:56px;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;width:520px;height:520px;right:-180px;top:-220px;border-radius:50%;background:radial-gradient(closest-side,rgba(35,87,217,.5),transparent)}
.contact>*{position:relative}
.contact h2{color:#fff}
.contact .person{font-size:1.15rem;font-weight:650;margin:0 0 4px}
.contact .note{color:#b8c6e3;margin:0 0 28px}
.contact dl{margin:0;display:grid;gap:16px}
.contact .row{display:grid;grid-template-columns:96px 1fr;gap:12px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.12)}
.contact .row:last-child{border-bottom:0;padding-bottom:0}
.contact dt{color:#9fb0d2;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding-top:2px}
.contact dd{margin:0;color:#fff}
.contact dd a{color:#fff;text-decoration-color:rgba(255,255,255,.4)}
.contact dd a:hover{color:#cfe0ff}

/* Footer */
.site-footer{background:#081426;color:#a9b6cf;padding:56px 0 40px;font-size:.92rem}
.footer-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:24px}
.site-footer .brand{color:#fff}
.site-footer .brand:hover{color:#fff}
.footer-legal{max-width:560px;margin:14px 0 0;line-height:1.6}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;align-items:flex-start}
.footer-links a{color:#dbe4f7;text-decoration:none}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;color:#8e9cb8;font-size:.85rem}
.footer-bottom p{margin:0}

/* Simple pages (privacy, 404) */
.page-hero{background:var(--ink);color:#fff;padding:72px 0 64px;background-image:radial-gradient(800px 360px at 90% -20%,rgba(35,87,217,.45),transparent 60%)}
.page-hero h1{font-size:clamp(2rem,4.5vw,3rem);letter-spacing:-.025em;margin:0 0 8px;line-height:1.1}
.page-hero p{color:#c3cfe8;margin:0}
.prose{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-sm);padding:44px;margin:-32px auto 0;position:relative}
.prose h2{font-size:1.2rem;margin:30px 0 8px}
.prose h2:first-child{margin-top:0}
.prose p{margin:0 0 12px;color:var(--text)}
.prose .updated{color:var(--muted);font-size:.92rem;margin-top:28px}
.notfound{text-align:center;padding:40px 0 8px}
.notfound .code{font-size:clamp(4rem,12vw,7rem);font-weight:800;letter-spacing:-.04em;color:#d3defa;line-height:1;margin:0 0 8px}
.notfound p{color:var(--muted)}
.notfound .btn{margin-top:12px}

/* Responsive */
@media (max-width:980px){
  .grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about{grid-template-columns:1fr;gap:16px}
  .contact{grid-template-columns:1fr;padding:40px}
}
@media (max-width:680px){
  body{font-size:16px}

  .grid,.facts{grid-template-columns:1fr}
  .section{padding:72px 0}
  .hero .container{padding-top:72px;padding-bottom:80px}
  .contact{padding:32px 24px;border-radius:20px}
  .contact .row{grid-template-columns:1fr;gap:2px}
  .prose{padding:28px 22px}
  .container{padding:0 20px}
}
@media (max-width:680px){.nav a.hide-sm{display:none}}
.brand span{white-space:nowrap}
.site-footer .brand svg{border-radius:8px;box-shadow:0 0 0 1px rgba(255,255,255,.22)}
@media (max-width:680px){
  .brand{font-size:1rem}
  .brand svg{width:30px;height:30px}
  .nav{gap:2px}
  .nav a{font-size:.9rem;padding:8px 10px}
  .eyebrow{font-size:.7rem;letter-spacing:.04em;padding:6px 11px}
}
@media (max-width:360px){.nav a:not(.nav-cta){display:none}}
@media (max-width:480px){
  .site-header .container{gap:8px}
  .brand{gap:8px;font-size:.95rem}
  .nav a{padding:8px 7px;font-size:.88rem}
  .nav a.nav-cta{margin-left:2px;padding:8px 10px}
}
@media (max-width:389px){.nav a.hide-xs{display:none}}