/* ABC-IO by redot1 — shared brand core (informational sites) */
:root{
  --bg:#0b1020; --bg2:#111832; --card:#151d3a; --line:#243056;
  --brand:#5b8cff; --brand2:#28e0c8; --ink:#f5f8ff; --mut:#9fb0d8;
  --grad:linear-gradient(135deg,#5b8cff,#28e0c8);
  --radius:16px; --shadow:0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Segoe UI',Roboto,-apple-system,Arial,sans-serif;
  background:radial-gradient(1200px 600px at 20% -10%,#16204a 0%,var(--bg) 55%);
  color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--brand2);text-decoration:none}
img{max-width:100%}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
/* Header */
header.site{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
  background:rgba(11,16,32,.72);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem}
.brand .mark{width:38px;height:38px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#0b1020;font-weight:900;box-shadow:var(--shadow)}
.brand small{display:block;font-size:.62rem;font-weight:600;color:var(--brand2);letter-spacing:1px}
.nav nav a{color:var(--mut);margin-left:22px;font-weight:600;transition:color .2s}
.nav nav a:hover{color:var(--ink)}
/* Hero */
.hero{padding:74px 0 54px;text-align:center}
.hero h1{font-size:clamp(2rem,5vw,3.3rem);margin:.2em 0;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero p.lead{font-size:1.2rem;color:var(--mut);max-width:660px;margin:14px auto 26px}
.badge{display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:999px;
  color:var(--brand2);font-size:.8rem;font-weight:700;letter-spacing:.5px;background:var(--card)}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:12px;
  font-weight:800;font-size:1rem;cursor:pointer;border:0;transition:transform .12s,box-shadow .2s,filter .2s}
.btn-primary{background:var(--grad);color:#08122b;box-shadow:var(--shadow)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand)}
.btn-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
/* Sections & cards */
section{padding:52px 0}
h2.sec{font-size:1.9rem;text-align:center;margin:0 0 8px}
.sub{text-align:center;color:var(--mut);max-width:620px;margin:0 auto 34px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:transform .18s,border-color .18s,box-shadow .18s;opacity:0;transform:translateY(18px)}
.card.in{opacity:1;transform:none}
.card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
.card .ico{width:48px;height:48px;border-radius:12px;background:var(--grad);display:grid;place-items:center;
  font-size:1.5rem;margin-bottom:14px}
.card h3{margin:.2em 0 .4em;font-size:1.15rem}
.card p{color:var(--mut);margin:0}
/* Contact */
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px;max-width:620px;margin:0 auto}
.field{margin-bottom:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:.9rem}
.field input,.field textarea,.field select{width:100%;padding:12px 14px;border-radius:10px;
  border:1px solid var(--line);background:var(--bg2);color:var(--ink);font-size:1rem;font-family:inherit}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--brand)}
.contact-meta{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;margin:24px 0}
.contact-meta a,.contact-meta span{color:var(--ink);font-weight:600;display:inline-flex;align-items:center;gap:8px}
/* Spinner */
.spinner{width:18px;height:18px;border:3px solid rgba(8,18,43,.35);border-top-color:#08122b;
  border-radius:50%;animation:spin .7s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
/* Toast */
#toasts{position:fixed;bottom:22px;right:22px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand2);
  padding:14px 18px;border-radius:10px;box-shadow:var(--shadow);min-width:220px;
  transform:translateX(120%);transition:transform .35s cubic-bezier(.2,.9,.3,1.4)}
.toast.show{transform:none}
.toast.err{border-left-color:#ff6b6b}
.toast.ok{border-left-color:#28e0c8}
/* Footer */
footer.site{border-top:1px solid var(--line);padding:34px 0;color:var(--mut);margin-top:20px}
.foot{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;align-items:center}
.foot a{color:var(--mut);margin-right:16px}
.hours{display:inline-flex;align-items:center;gap:8px;color:var(--brand2);font-weight:700}
@media(max-width:600px){.nav nav{display:none}.hero{padding:50px 0 34px}}
/* AI-ISP — selectable service-type cards + combination */
.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:4px 0 26px}
.chip-btn{background:var(--grad);color:#08122b;font-weight:800;border:0;border-radius:10px;padding:10px 18px;cursor:pointer;transition:transform .12s,filter .2s}
.chip-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.chip-btn.ghost{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.count{color:var(--brand2);font-weight:700;margin-left:auto}
.wave-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px;cursor:pointer;
  transition:transform .18s,border-color .18s,box-shadow .18s,background .2s;opacity:0;transform:translateY(18px);outline:none}
.wave-card.in{opacity:1;transform:none}
.wave-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
.wave-card.active{border-color:var(--brand2);background:linear-gradient(180deg,rgba(40,224,200,.08),var(--card))}
.wave-card:focus-visible{border-color:var(--brand2);box-shadow:0 0 0 3px rgba(40,224,200,.25)}
.wc-top{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.wc-top h3{margin:0;font-size:1.12rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.wave-card .wn{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#06121f;font-weight:800;font-size:1rem;flex:0 0 auto}
.wc-tag{color:var(--mut);margin:0 0 12px;font-size:.93rem}
.wc-levels{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}
.lvl-chip{font-size:.7rem;border:1px solid var(--line);border-radius:999px;padding:3px 10px;color:var(--mut)}
.wc-toggle{font-weight:800;font-size:.85rem;color:var(--brand2)}
.wave-card.active .wc-toggle{color:#28e0c8}
.free{font-size:.6rem;background:#28e0c8;color:#06121f;border-radius:20px;padding:2px 9px;font-weight:800;letter-spacing:.04em}
/* combination blocks */
#comboList{display:grid;gap:16px;margin-top:8px}
.combo-block{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 24px;opacity:0;transform:translateY(14px);transition:opacity .45s,transform .45s}
.combo-block.in{opacity:1;transform:none}
.cb-head{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.cb-head h3{margin:0;font-size:1.2rem;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cb-desc{color:var(--mut);margin:0 0 16px}
.lvl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.lvl-row{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.lvl-row .l{display:block;color:var(--brand2);font-size:.95rem;margin-bottom:4px}
.lvl-row span{color:var(--mut);font-size:.9rem;line-height:1.4}
@media(max-width:640px){.lvl-grid{grid-template-columns:1fr}.wave-card{padding:18px 16px}.count{margin-left:0;width:100%}}