/* Atollix Global — company site. Mobile-first, vanilla CSS. */
:root{
  --navy:#0b1f3a;
  --navy-2:#12294d;
  --blue:#2563eb;
  --blue-light:#3b82f6;
  --accent:#38bdf8;
  --ink:#0f172a;
  --muted:#475569;
  --soft:#f1f5f9;
  --softer:#f8fafc;
  --line:#e2e8f0;
  --white:#ffffff;
  --radius:14px;
  --shadow:0 10px 30px rgba(11,31,58,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Arial,sans-serif;
  color:var(--ink);background:var(--white);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
section{padding:64px 0}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--blue);margin-bottom:10px;
}
h2.section-title{font-size:clamp(26px,4.5vw,36px);letter-spacing:-.5px;margin-bottom:12px}
.section-sub{color:var(--muted);font-size:17px;max-width:640px;margin-bottom:36px}

/* ---------- Nav ---------- */
nav.site-nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.3px}
.logo-mark{
  width:38px;height:38px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue) 0%,var(--accent) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:20px;
}
.nav-links{display:none}
.nav-cta{display:none}
.hamburger{display:flex;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:10px}
.hamburger span{width:24px;height:2.5px;background:var(--ink);border-radius:2px;transition:.25s}
.mobile-menu{display:none;border-top:1px solid var(--line);background:#fff;padding:8px 20px 16px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 4px;border-bottom:1px solid var(--softer);font-weight:600;color:var(--muted)}
.mobile-menu a:last-child{border-bottom:0}
.btn{
  display:inline-block;padding:13px 26px;border-radius:10px;font-weight:700;font-size:16px;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;border:0;cursor:pointer;
}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(37,99,235,.35)}
.btn-primary:hover{background:#1d4ed8;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn-outline{border:1.5px solid var(--blue);color:var(--blue)}
.btn-outline:hover{background:var(--blue);color:#fff}

/* ---------- Hero ---------- */
.hero{
  background:radial-gradient(1000px 500px at 80% -10%,#1e3a6e 0%,transparent 60%),
             linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 70%);
  color:#fff;padding:88px 0 96px;position:relative;overflow:hidden;
}
.hero .wrap{position:relative;z-index:1}
.hero h1{font-size:clamp(32px,7vw,56px);line-height:1.12;letter-spacing:-1px;max-width:700px;margin-bottom:18px}
.hero h1 .grad{background:linear-gradient(90deg,var(--accent),#818cf8);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:clamp(16px,3.4vw,20px);color:#cbd5e1;max-width:620px;margin-bottom:34px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{margin-top:44px;display:flex;gap:10px;flex-wrap:wrap}
.hero-meta span{
  font-size:13px;color:#cbd5e1;border:1px solid rgba(255,255,255,.22);
  padding:7px 14px;border-radius:999px;
}

/* ---------- Stats ---------- */
.stats{background:var(--soft);padding:44px 0}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow)}
.stat .num{font-size:34px;font-weight:800;color:var(--blue);letter-spacing:-1px}
.stat .lbl{font-size:14px;color:var(--muted);margin-top:4px}

/* ---------- Cards grid ---------- */
.grid{display:grid;gap:20px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(11,31,58,.14)}
.icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(37,99,235,.12),rgba(56,189,248,.12));margin-bottom:16px;
}
.icon svg{width:26px;height:26px;stroke:var(--blue);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:19px;margin-bottom:8px;letter-spacing:-.3px}
.card p{color:var(--muted);font-size:15.5px;margin-bottom:14px}
.card .tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  color:var(--blue);background:rgba(37,99,235,.08);padding:4px 10px;border-radius:999px;margin-bottom:10px;
}
.link-arrow{font-weight:700;color:var(--blue);font-size:15.5px}
.link-arrow:hover{text-decoration:underline}

/* ---------- Products ---------- */
.products{background:var(--softer)}
.prod{position:relative}
.prod .goto{margin-top:6px}

/* ---------- Books ---------- */
.book{display:flex;flex-direction:column;gap:18px}
.book-cover{
  width:150px;height:210px;flex:0 0 auto;border-radius:8px;
  background:linear-gradient(150deg,var(--navy) 0%,var(--blue) 130%);
  color:#fff;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;
  box-shadow:var(--shadow);
}
.book-cover .t{font-weight:800;font-size:17px;line-height:1.25}
.book-cover .a{font-size:12px;color:#cbd5e1;margin-top:6px}
.book h3{font-size:20px;margin-bottom:6px}
.book p{color:var(--muted);font-size:15.5px;margin-bottom:12px}

/* ---------- Why us ---------- */
.why{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 70%);color:#fff}
.why .eyebrow{color:var(--accent)}
.why h2{color:#fff}
.why .section-sub{color:#cbd5e1}
.why-grid{display:grid;gap:20px}
.why-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px}
.why-item h3{font-size:18px;margin-bottom:8px}
.why-item p{color:#cbd5e1;font-size:15.5px}

/* ---------- About ---------- */
.about-grid{display:grid;gap:24px}
.about-copy p{color:var(--muted);margin-bottom:14px;font-size:16.5px}
.founder{
  background:var(--softer);border:1px solid var(--line);border-radius:var(--radius);padding:28px;
}
.founder h3{font-size:20px;margin-bottom:6px}
.founder p{color:var(--muted);font-size:15.5px;margin-bottom:14px}

/* ---------- Contact ---------- */
.contact{background:var(--soft)}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow);max-width:640px;margin:0 auto;text-align:center}
.contact-card .mail{font-size:clamp(18px,4.5vw,24px);font-weight:800;color:var(--blue);word-break:break-all}
.socials{display:flex;gap:12px;justify-content:center;margin-top:22px;flex-wrap:wrap}
.socials a{
  width:46px;height:46px;border-radius:50%;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;transition:.18s;
}
.socials a:hover{border-color:var(--blue);background:rgba(37,99,235,.08)}
.socials svg{width:20px;height:20px;fill:var(--muted)}
.socials a:hover svg{fill:var(--blue)}

/* ---------- Footer ---------- */
footer.site-foot{background:var(--navy);color:#94a3b8;padding:44px 0 26px;font-size:14.5px}
.foot-grid{display:grid;gap:26px;margin-bottom:28px}
.foot-brand{color:#fff;font-weight:800;font-size:17px;margin-bottom:8px}
.foot-links a{display:block;padding:5px 0}
.foot-links a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;display:flex;flex-direction:column;gap:10px;font-size:13.5px}

/* ---------- Legal pages ---------- */
.legal-main{padding:52px 0 72px}
.legal-main .wrap{max-width:760px}
.legal-main h1{font-size:clamp(28px,5vw,38px);letter-spacing:-.5px;margin-bottom:6px}
.legal-main .muted{color:#64748b;font-size:14px;margin-bottom:26px}
.legal-main h2{font-size:20px;margin:30px 0 10px}
.legal-main p,.legal-main li{color:#334155;font-size:16px;margin-bottom:12px}
.legal-main ul{margin:0 0 14px 22px}
.legal-main a.underline{color:var(--blue);text-decoration:underline}

/* ---------- 404 ---------- */
.notfound{text-align:center;padding:100px 0}
.notfound h1{font-size:clamp(64px,16vw,120px);font-weight:800;color:var(--blue);letter-spacing:-3px}
.notfound p{color:var(--muted);margin:10px 0 26px;font-size:17px}

/* ---------- Tablet+ ---------- */
@media(min-width:640px){
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .grid.two{grid-template-columns:repeat(2,1fr)}
  .grid.four{grid-template-columns:repeat(2,1fr)}
  .book{flex-direction:row;align-items:center}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr}
}
/* ---------- Desktop ---------- */
@media(min-width:960px){
  section{padding:88px 0}
  .hamburger{display:none}
  .nav-links{display:flex;gap:28px;align-items:center}
  .nav-links a{font-weight:600;color:var(--muted);font-size:15.5px}
  .nav-links a:hover{color:var(--blue)}
  .nav-cta{display:inline-block;padding:10px 22px;border-radius:9px;font-weight:700;font-size:15px;background:var(--blue);color:#fff}
  .nav-cta:hover{background:#1d4ed8}
  .grid.three{grid-template-columns:repeat(3,1fr)}
  .grid.four{grid-template-columns:repeat(4,1fr)}
  .about-grid{grid-template-columns:1.6fr 1fr;align-items:start}
  .why-grid{grid-template-columns:repeat(3,1fr)}
  .foot-bottom{flex-direction:row;justify-content:space-between}
}