:root{
  --bg:#0b1020;--bg2:#121933;--card:#161f3d;--line:#25305a;
  --text:#e8ecf8;--muted:#9aa6c9;--accent:#34d399;--accent2:#60a5fa;--danger:#f87171;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
a{color:var(--accent2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
[data-multi]{white-space:pre-line}

/* шапка */
header{position:sticky;top:0;z-index:10;background:rgba(11,16,32,.88);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:700;font-size:1.15rem;color:var(--text)}
.logo span{color:var(--accent)}
nav{display:flex;align-items:center}
nav a{color:var(--muted);margin-left:22px;font-size:.95rem}
nav a:hover{color:var(--text);text-decoration:none}
.login-btn{margin-left:22px;background:transparent;border:1px solid var(--line);color:var(--text);padding:6px 16px;border-radius:8px;font:inherit;font-size:.9rem;cursor:pointer}
.login-btn:hover{background:var(--bg2)}

/* блоки */
.hero{padding:96px 0 80px;background:radial-gradient(900px 400px at 80% -10%,rgba(96,165,250,.18),transparent),radial-gradient(700px 400px at 0% 0%,rgba(52,211,153,.14),transparent)}
.badge{display:inline-block;border:1px solid var(--line);color:var(--accent);padding:4px 12px;border-radius:999px;font-size:.85rem;margin-bottom:20px}
h1{font-size:clamp(2rem,5vw,3.4rem);line-height:1.15;margin-bottom:18px}
h1 .accent{color:var(--accent)}
.hero-text{color:var(--muted);font-size:1.15rem;max-width:620px;margin-bottom:30px}
.btn{display:inline-block;padding:12px 24px;border-radius:10px;font-weight:600;margin-right:10px;margin-bottom:10px;font-family:inherit;font-size:1rem;border:0;cursor:pointer}
.btn-main{background:var(--accent);color:#04281c}
.btn-main:hover{text-decoration:none;filter:brightness(1.08)}
.btn-alt{border:1px solid var(--line);color:var(--text);background:transparent}
.btn-alt:hover{text-decoration:none;background:var(--bg2)}
section{padding:70px 0}
section.alt{background:var(--bg2)}
h2{font-size:1.8rem;margin-bottom:10px}
.lead{color:var(--muted);margin-bottom:36px;max-width:680px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}
.grid-apps{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;position:relative}
.card h3{font-size:1.1rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.95rem}
.ico{font-size:1.6rem;margin-bottom:10px}
.app{display:flex;flex-direction:column;gap:10px}
.app .tag{align-self:flex-start;font-size:.78rem;color:var(--accent);border:1px solid var(--line);padding:2px 10px;border-radius:999px}
.app h3{margin-bottom:0}
.app .short{color:var(--text);font-weight:500}
.app .full{font-size:.9rem}
.app .app-btn{align-self:flex-start;margin-top:auto;margin-right:0;margin-bottom:0}
.app .full{flex:1}
.contact{display:flex;flex-wrap:wrap;gap:18px}
.contact .card{flex:1 1 260px}
.contact strong{display:block;color:var(--muted);font-size:.85rem;font-weight:500;margin-bottom:4px}
.req-card{padding:8px 24px}
.req .row{display:grid;grid-template-columns:240px 1fr;gap:6px 24px;padding:14px 0;border-bottom:1px solid var(--line);position:relative}
.req .row:last-child{border-bottom:0}
.req dt{color:var(--muted);font-size:.92rem}
.req dd{font-size:.95rem;overflow-wrap:anywhere}
footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.9rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}

/* пустые поля скрыты для посетителей */
body:not(.edit) [data-k]:empty,body:not(.edit) [data-f]:empty{display:none}

/* окна */
.modal{position:fixed;inset:0;z-index:100;background:rgba(5,8,18,.75);display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.modal-box{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:26px;width:100%;max-width:400px}
.modal-box h3{margin-bottom:14px}
.modal-box label{display:block;color:var(--muted);font-size:.88rem;margin-bottom:12px}
.modal-box input{display:block;width:100%;margin-top:4px;padding:10px 12px;background:var(--bg);border:1px solid var(--line);border-radius:8px;color:var(--text);font:inherit}
.modal-box input:focus{outline:2px solid var(--accent2);outline-offset:0}
.modal-actions{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.modal-actions .btn{padding:10px 18px;font-size:.95rem}
.msg{color:var(--danger);font-size:.88rem;min-height:1.2em;margin:4px 0 8px}
.msg.ok{color:var(--accent)}
.hint{color:var(--muted);font-size:.9rem;margin-bottom:12px}

/* режим редактирования */
body.edit{padding-bottom:90px}
body.edit [contenteditable]{outline:1px dashed rgba(96,165,250,.55);outline-offset:3px;cursor:text;min-width:24px;min-height:1em}
body.edit [contenteditable]:focus{outline:2px solid var(--accent2)}
body.edit [contenteditable]:empty::before{content:attr(data-ph);color:#667099}
body.edit .hero-text[contenteditable],body.edit .lead[contenteditable]{display:block}
body.edit .app-btn[hidden]{display:inline-block}
.ctl{position:absolute;top:6px;right:6px;display:flex;gap:4px;z-index:2}
.ctl button{width:28px;height:28px;border-radius:7px;border:1px solid var(--line);background:var(--bg);color:var(--text);cursor:pointer;font-size:.85rem;line-height:1}
.ctl button:hover{background:var(--bg2)}
.ctl .del:hover{background:var(--danger);color:#fff}
.addrow{margin-top:14px}
.addrow button{border:1px dashed var(--accent2);background:transparent;color:var(--accent2);padding:8px 16px;border-radius:10px;font:inherit;cursor:pointer}
.addrow button:hover{background:rgba(96,165,250,.1)}
#adminbar{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:90;display:flex;gap:8px;flex-wrap:wrap;justify-content:center;background:var(--card);border:1px solid var(--line);padding:10px 12px;border-radius:14px;box-shadow:0 8px 30px rgba(0,0,0,.5);max-width:calc(100% - 24px)}
#adminbar .btn{margin:0;padding:9px 16px;font-size:.92rem}
#toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);z-index:120;background:var(--accent);color:#04281c;padding:10px 20px;border-radius:10px;font-weight:600;box-shadow:0 6px 24px rgba(0,0,0,.4);max-width:calc(100% - 24px)}
#toast.err{background:var(--danger);color:#fff}
#toast[hidden]{display:none}

/* страница политики */
.doc{padding:50px 0 70px}
.doc .wrap{max-width:820px}
.doc h1{font-size:2rem;margin-bottom:6px}
.doc h2{font-size:1.25rem;margin:30px 0 8px;color:var(--accent)}
.doc h3{font-size:1.05rem;margin:18px 0 6px}
.doc p,.doc li{color:#c5cde6;margin-bottom:8px}
.doc ul{padding-left:22px;margin-bottom:8px}
.doc .date{color:var(--muted);font-size:.9rem;margin-bottom:22px}
.doc .back{display:inline-block;margin-bottom:18px}

@media(max-width:700px){
  nav a{margin-left:12px;font-size:.88rem}
  .login-btn{margin-left:12px}
  .hero{padding:64px 0 56px}
  .req .row{grid-template-columns:1fr}
}
@media(max-width:520px){
  nav a[href="#services"]{display:none}
}