/* AlgoClick Ltd — algoclick.ltd */
:root{
  --ink:#0b1020; --ink-2:#141b33; --body:#3d4663; --muted:#6b7596;
  --line:#e4e8f2; --bg:#ffffff; --bg-alt:#f6f8fd;
  --brand:#3d6bff; --brand-2:#22d3ee; --brand-deep:#1e3fae;
  --radius:16px; --wrap:1160px;
  --shadow:0 1px 2px rgba(11,16,32,.05), 0 12px 32px -12px rgba(11,16,32,.14);
  --shadow-lg:0 24px 60px -22px rgba(11,16,32,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--body);background:var(--bg);line-height:1.65;font-size:17px;
  -webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{color:var(--ink);line-height:1.15;margin:0 0 .5em;letter-spacing:-.02em;font-weight:700}
h1{font-size:clamp(2.4rem,6vw,4.1rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(1.75rem,3.6vw,2.6rem);letter-spacing:-.028em}
h3{font-size:1.16rem}
p{margin:0 0 1.1em}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:12px 18px;z-index:100;border-radius:0 0 8px 0}
.skip:focus{left:0}
:focus-visible{outline:3px solid var(--brand);outline-offset:3px;border-radius:6px}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  background:var(--brand);color:#fff;font-weight:600;font-size:.97rem;
  padding:14px 26px;border-radius:100px;border:1px solid var(--brand);
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
  box-shadow:0 10px 24px -10px rgba(61,107,255,.75);white-space:nowrap}
.btn:hover{background:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-2px);
  box-shadow:0 16px 30px -12px rgba(61,107,255,.85)}
.btn-sm{padding:10px 20px;font-size:.92rem}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff}
.section:not(.contact) .btn-ghost{color:var(--ink);border-color:var(--line)}
.link-arrow{font-weight:600;display:inline-flex;align-items:center;gap:.45em}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(5px)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.82);
  backdrop-filter:saturate(160%) blur(14px);-webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.09);transition:background .25s ease}
.site-header.solid{background:rgba(11,16,32,.96)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:11px}
.logo-img{height:30px;width:auto;display:block}
.logo-mark{width:32px;height:32px;flex:none}
.logo-text{font-weight:800;font-size:1.2rem;color:#fff;letter-spacing:-.03em}
.logo-text span{background:linear-gradient(100deg,var(--brand-2),#8ab4ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;align-items:center;gap:30px}
.nav a{color:rgba(255,255,255,.78);font-size:.95rem;font-weight:500}
.nav a:hover{color:#fff}
.nav a.btn{color:#fff}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px;width:42px;height:42px}
.burger span{display:block;height:2px;width:22px;background:#fff;border-radius:2px;margin:4px auto;transition:.25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:clamp(76px,11vw,132px) 0 clamp(90px,10vw,120px)}
.hero-bg{position:absolute;inset:0;
  background:
    radial-gradient(900px 460px at 12% -8%, rgba(61,107,255,.42), transparent 62%),
    radial-gradient(760px 420px at 92% 8%, rgba(34,211,238,.20), transparent 60%),
    linear-gradient(180deg,#0b1020 0%,#101838 58%,#0b1020 100%)}
.hero-bg::after{content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(70% 60% at 50% 32%,#000,transparent 78%);
  mask-image:radial-gradient(70% 60% at 50% 32%,#000,transparent 78%)}
.hero-inner{position:relative;max-width:880px}
.hero h1{color:#fff;margin-bottom:.35em}
.grad{background:linear-gradient(100deg,#8ab4ff 5%,var(--brand-2) 60%,#a5f3fc 95%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.79rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--brand-2);margin-bottom:1.5em}
.lede{font-size:clamp(1.05rem,1.7vw,1.24rem);color:rgba(226,232,255,.8);max-width:660px;margin-bottom:2.2em}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.stats{display:flex;flex-wrap:wrap;gap:14px 56px;margin-top:64px;
  padding-top:34px;border-top:1px solid rgba(255,255,255,.12)}
.stat b{display:block;font-size:1.85rem;font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1.2}
.stat span{font-size:.87rem;color:rgba(226,232,255,.62)}

/* ---------- sections ---------- */
.section{padding:clamp(66px,8.5vw,110px) 0}
.section.alt{background:var(--bg-alt);border-block:1px solid var(--line)}
.kicker{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.76rem;letter-spacing:.15em;
  text-transform:uppercase;color:var(--brand);margin-bottom:1em;font-weight:500}
.section-head{max-width:660px;margin-bottom:56px}
.sub{font-size:1.06rem;color:var(--muted);margin:0}
.grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(36px,6vw,80px);align-items:start}

/* checklist */
.check{list-style:none;margin:0;padding:26px 28px;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:var(--radius)}
.section.alt .check{background:#fff}
.check li{position:relative;padding:0 0 0 34px;margin-bottom:18px;font-size:.99rem}
.check li:last-child{margin-bottom:0}
.check li b{color:var(--ink);display:block;font-weight:600}
.check li::before{content:"";position:absolute;left:0;top:5px;width:20px;height:20px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.check li::after{content:"";position:absolute;left:6.5px;top:10.5px;width:7px;height:4px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfd8ee}
.card .ico{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:11px;background:linear-gradient(135deg,rgba(61,107,255,.12),rgba(34,211,238,.14));
  font-size:1.05rem;margin-bottom:16px;color:var(--brand);font-weight:700}
.card p{margin:0;font-size:.95rem;color:var(--muted)}

/* brands */
.brands{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.brand{border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease}
.brand:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.brand-top{padding:34px 28px 30px;color:#fff;position:relative;overflow:hidden}
.brand-top::after{content:"";position:absolute;inset:0;opacity:.22;
  background-image:radial-gradient(circle at 1px 1px,#fff 1px,transparent 0);background-size:20px 20px}
.b1{background:linear-gradient(135deg,#1e3fae,#3d6bff)}
.b2{background:linear-gradient(135deg,#0e7490,#22d3ee)}
.b3{background:linear-gradient(135deg,#4c1d95,#8b5cf6)}
.brand-top h3{color:#fff;font-size:1.6rem;font-weight:800;margin:0 0 .3em;position:relative;letter-spacing:-.03em}
.brand-top h3 span{opacity:.62;font-weight:600}
.brand-tag{margin:0;font-size:.92rem;color:rgba(255,255,255,.86);position:relative;font-style:italic}
.brand-body{padding:26px 28px 30px;display:flex;flex-direction:column;flex:1}
.brand-body p{font-size:.95rem;color:var(--muted)}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:7px;padding:0;margin:0 0 22px}
.tags li{font-size:.76rem;font-weight:500;color:var(--body);background:var(--bg-alt);
  border:1px solid var(--line);border-radius:100px;padding:4px 11px}
.brand-body .link-arrow{margin-top:auto}

/* steps */
.steps{list-style:none;padding:0;margin:0;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px}
.steps .num{font-family:"JetBrains Mono",ui-monospace,monospace;font-size:.82rem;font-weight:500;
  color:var(--brand);letter-spacing:.1em;display:block;margin-bottom:14px}
.steps h3{margin-bottom:.5em}
.steps p{margin:0;font-size:.94rem;color:var(--muted)}

/* contact */
.contact{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.contact::before{content:"";position:absolute;inset:0;
  background:radial-gradient(760px 380px at 50% -30%,rgba(61,107,255,.4),transparent 65%),
             radial-gradient(600px 320px at 88% 110%,rgba(34,211,238,.18),transparent 65%)}
.contact-inner{position:relative;text-align:center;max-width:720px;margin-inline:auto}
.contact h2{color:#fff}
.contact .kicker{color:var(--brand-2)}
.contact .sub{color:rgba(226,232,255,.75);margin-bottom:2.2em}
.contact .hero-cta{justify-content:center}

/* footer */
.site-footer{background:#070b17;color:rgba(226,232,255,.62);padding:66px 0 26px;font-size:.93rem}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px 30px}
.footer-brand .logo-img{height:28px;width:auto}
.footer-brand p{margin:14px 0 0;max-width:300px;font-size:.9rem;color:rgba(226,232,255,.5)}
.footer-col h4{color:#fff;font-size:.83rem;text-transform:uppercase;letter-spacing:.11em;margin-bottom:16px}
.footer-col a{display:block;color:rgba(226,232,255,.62);margin-bottom:11px;font-size:.92rem}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  font-size:.85rem;color:rgba(226,232,255,.42)}
.footer-bottom p{margin:0}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:900px){
  .grid-2{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media (max-width:760px){
  .burger{display:block}
  .logo-img{height:26px}
  .nav{position:fixed;inset:70px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:#0d1428;border-bottom:1px solid rgba(255,255,255,.1);padding:10px 24px 26px;
    transform:translateY(-125%);transition:transform .3s cubic-bezier(.4,0,.2,1);
    max-height:calc(100vh - 70px);overflow-y:auto}
  .nav.open{transform:translateY(0)}
  .nav a{padding:15px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:1rem}
  .nav a.btn{margin-top:18px;border-bottom:0;justify-content:center}
  .stats{gap:22px 36px;margin-top:46px}
  .stat b{font-size:1.5rem}
  .hero-cta .btn{flex:1 1 100%}
}
@media (max-width:520px){
  body{font-size:16px}
  .footer-inner{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
}

/* ---------- legal pages ---------- */
.legal-hero{background:var(--ink);color:#fff;padding:clamp(52px,7vw,84px) 0 clamp(40px,5vw,58px);
  position:relative;overflow:hidden}
.legal-hero::before{content:"";position:absolute;inset:0;
  background:radial-gradient(700px 340px at 18% -20%,rgba(61,107,255,.38),transparent 62%),
             radial-gradient(520px 280px at 92% 0%,rgba(34,211,238,.16),transparent 62%)}
.legal-hero .wrap{position:relative}
.legal-hero h1{color:#fff;font-size:clamp(2rem,5vw,3.1rem);margin-bottom:.25em}
.legal-hero .kicker{color:var(--brand-2)}
.legal-meta{margin:0;color:rgba(226,232,255,.62);font-size:.92rem}

.legal-wrap{max-width:820px}
.legal .intro{font-size:1.1rem;color:var(--ink);padding:22px 26px;background:var(--bg-alt);
  border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:12px;margin-bottom:2.4em}
.legal h2{font-size:1.42rem;margin-top:2.2em;padding-top:1.4em;border-top:1px solid var(--line)}
.legal h2:first-of-type{margin-top:1em}
.legal h3{font-size:1.05rem;margin-top:1.7em;color:var(--ink-2)}
.legal p{font-size:1rem}
.legal a{text-decoration:underline;text-underline-offset:2px}
.legal a:hover{color:var(--brand-deep)}

.check.plain{background:transparent;border:0;padding:0;margin:0 0 1.4em}
.check.plain li{font-size:1rem;margin-bottom:13px}

.contact-block{list-style:none;padding:20px 24px;margin:0 0 1.6em;background:var(--bg-alt);
  border:1px solid var(--line);border-radius:12px}
.contact-block li{margin-bottom:9px;font-size:.97rem}
.contact-block li:last-child{margin-bottom:0}
.contact-block b{color:var(--ink)}
.todo{background:#fff4d6;border:1px dashed #e0b44b;border-radius:5px;padding:1px 7px;
  font-size:.9em;color:#7a5a10;font-weight:500}

.legal-line{margin:44px 0 0;padding-top:20px;border-top:1px solid rgba(255,255,255,.09);
  font-size:.82rem;color:rgba(226,232,255,.40);line-height:1.7}
.footer-bottom{margin-top:18px}
.footer-bottom a{color:rgba(226,232,255,.55)}
.footer-bottom a:hover{color:#fff}