/* SOLLINETX — English corporate site (rebuilt from solline.io) */
:root{
  --bg:#0a0e1a; --bg2:#0e1424; --panel:#121a2e; --panel2:#172138;
  --line:#1e2a44; --ink:#eaf0ff; --mut:#8b97b4; --dim:#5d6a8a;
  --accent:#3b82f6; --accent2:#22d3ee; --glow:rgba(59,130,246,.45);
  --max:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Inter","Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--ink);
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.accent{color:var(--accent2)}
.grad-text{background:linear-gradient(100deg,#60a5fa,#22d3ee 60%,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ── Header ── */
header.site{position:sticky;top:0;z-index:50;background:rgba(10,14,26,.82);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-weight:800;font-size:22px;letter-spacing:.14em;display:flex;align-items:center;gap:9px}
.logo .dot{width:11px;height:11px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));box-shadow:0 0 14px var(--glow)}
.menu{display:flex;gap:6px;align-items:center}
.menu a{padding:8px 16px;border-radius:8px;color:var(--mut);font-weight:600;font-size:14px;transition:.2s}
.menu a:hover{color:var(--ink);background:var(--panel)}
.menu a.active{color:var(--ink);background:var(--panel2)}
.tg-btn{margin-left:8px;padding:9px 16px;border-radius:9px;font-weight:700;font-size:13px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04101f;box-shadow:0 6px 22px var(--glow)}
.tg-btn:hover{filter:brightness(1.08)}
.burger{display:none;background:none;border:0;color:var(--ink);font-size:26px;cursor:pointer}

/* ── Hero ── */
.hero{position:relative;padding:120px 0 100px;text-align:center;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(620px 360px at 50% -8%,rgba(59,130,246,.30),transparent 70%),
    radial-gradient(700px 420px at 85% 30%,rgba(34,211,238,.14),transparent 70%),
    radial-gradient(700px 420px at 12% 70%,rgba(167,139,250,.14),transparent 70%)}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.32em;color:var(--accent2);
  font-weight:700;text-transform:uppercase;margin-bottom:22px;
  border:1px solid var(--line);padding:7px 16px;border-radius:30px;background:rgba(18,26,46,.6)}
.hero h1{font-size:clamp(32px,5.4vw,60px);line-height:1.12;font-weight:800;letter-spacing:-.02em;max-width:14ch;margin:0 auto}
.hero p.lead{margin:26px auto 0;max-width:60ch;color:var(--mut);font-size:clamp(15px,1.7vw,19px)}
.hero .cta{margin-top:40px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{padding:14px 28px;border-radius:11px;font-weight:700;font-size:15px;cursor:pointer;border:1px solid transparent;transition:.2s;display:inline-flex;align-items:center;gap:9px}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04101f;box-shadow:0 10px 34px var(--glow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:var(--panel);border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{background:var(--panel2)}

/* ── Sections ── */
section.block{padding:84px 0;border-top:1px solid var(--line)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 54px}
.sec-tag{font-size:12px;letter-spacing:.28em;color:var(--accent2);font-weight:700;text-transform:uppercase}
.sec-head h2{font-size:clamp(26px,3.6vw,40px);font-weight:800;margin-top:14px;letter-spacing:-.02em}
.sec-head p{color:var(--mut);margin-top:16px;font-size:16px}

/* statement / intro */
.statement{font-size:clamp(20px,2.7vw,30px);font-weight:600;line-height:1.5;text-align:center;max-width:24ch;margin:0 auto;letter-spacing:-.01em}
.statement .grad-text{font-weight:800}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:54px}
.intro-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:30px}
.intro-card h3{font-size:18px;margin-bottom:10px;color:var(--accent2)}
.intro-card p{color:var(--mut);font-size:15px}

/* card grid */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:30px;transition:.25s;position:relative;overflow:hidden}
.card::after{content:"";position:absolute;inset:0;border-radius:16px;padding:1px;opacity:0;transition:.25s;
  background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.card:hover{transform:translateY(-5px);background:var(--panel2)}
.card:hover::after{opacity:1}
.card .ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:24px;
  background:linear-gradient(135deg,rgba(59,130,246,.22),rgba(34,211,238,.18));border:1px solid var(--line);margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--mut);font-size:14.5px}
.card ul{list-style:none;margin-top:14px;display:flex;flex-direction:column;gap:8px}
.card ul li{color:var(--mut);font-size:14px;padding-left:20px;position:relative}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--accent),var(--accent2))}

/* feature split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.split h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;letter-spacing:-.02em;line-height:1.2}
.split p{color:var(--mut);margin-top:18px;font-size:16px}
.pillars{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.pill{padding:9px 16px;border-radius:30px;border:1px solid var(--line);background:var(--panel);font-size:13px;font-weight:600;color:var(--mut)}
.pill b{color:var(--accent2)}
.arch{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:8px}
.arch-row{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:12px}
.arch-row+.arch-row{margin-top:6px}
.arch-row:nth-child(odd){background:var(--panel2)}
.arch-row .n{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;font-weight:800;color:#04101f;
  background:linear-gradient(135deg,var(--accent),var(--accent2));flex:none}
.arch-row .t b{display:block;font-size:15px}
.arch-row .t span{font-size:13px;color:var(--mut)}

/* spec list grid */
.specs{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:8px}
.spec{display:flex;gap:14px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:13px;padding:20px}
.spec .ic{flex:none;width:42px;height:42px;border-radius:11px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(135deg,rgba(59,130,246,.2),rgba(34,211,238,.16));border:1px solid var(--line)}
.spec b{font-size:15px}.spec p{color:var(--mut);font-size:13.5px;margin-top:3px}

/* demo */
.demo-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:8px}
.demo{background:linear-gradient(135deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:18px;padding:34px;display:flex;flex-direction:column;gap:8px}
.demo .badge{align-self:flex-start;font-size:11px;letter-spacing:.2em;font-weight:700;color:var(--accent2);text-transform:uppercase}
.demo h3{font-size:22px}
.demo p{color:var(--mut);font-size:14px;flex:1}
.demo .links{display:flex;gap:10px;margin-top:14px}
.demo .links a{flex:1;text-align:center;padding:12px;border-radius:10px;font-weight:700;font-size:13px;border:1px solid var(--line);background:var(--bg2);transition:.2s}
.demo .links a:hover{background:var(--accent);color:#04101f;border-color:transparent}

/* contact / telegram */
.contact{text-align:center}
.contact .tg-card{max-width:560px;margin:30px auto 0;background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:44px 34px}
.contact .tg-card .ring{width:78px;height:78px;border-radius:50%;margin:0 auto 22px;display:grid;place-items:center;font-size:34px;
  background:linear-gradient(135deg,rgba(59,130,246,.25),rgba(34,211,238,.2));border:1px solid var(--line);box-shadow:0 0 40px var(--glow)}
.contact h3{font-size:24px}
.contact p{color:var(--mut);margin-top:12px}
.contact .handle{display:inline-block;margin-top:24px;padding:14px 30px;border-radius:12px;font-weight:800;font-size:17px;
  background:linear-gradient(135deg,var(--accent),var(--accent2));color:#04101f;box-shadow:0 10px 30px var(--glow)}

/* footer */
footer.site{border-top:1px solid var(--line);padding:50px 0 40px;background:var(--bg2)}
.foot{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:flex-start}
.foot .logo{font-size:20px}
.foot .col h4{font-size:13px;letter-spacing:.1em;color:var(--dim);text-transform:uppercase;margin-bottom:14px}
.foot .col a,.foot .col span{display:block;color:var(--mut);font-size:14px;margin-bottom:9px}
.foot .col a:hover{color:var(--ink)}
.foot-bottom{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);color:var(--dim);font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}

/* reveal animation */
.reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:900px){
  .cards{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:34px}
  .intro-grid,.specs,.demo-grid{grid-template-columns:1fr}
  .menu{display:none}.burger{display:block}
  .menu.open{display:flex;position:absolute;top:66px;left:0;right:0;flex-direction:column;background:var(--bg2);border-bottom:1px solid var(--line);padding:14px 24px}
  .menu.open a{padding:12px}
}
@media(max-width:560px){.cards{grid-template-columns:1fr}}

/* demo section — center aligned */
#demo .demo-grid{display:flex;justify-content:center;flex-wrap:wrap}
#demo .demo{flex:0 1 540px;align-items:center;text-align:center}
#demo .demo .badge{align-self:center}
#demo .demo .links{justify-content:center;width:100%}