/* ============ LDI6.RU — ГБО 6 поколения — core ============ */
:root{
  --blue:#0d3b66; --blue2:#155a9e; --ink:#1c2b3a; --muted:#5a6b7b;
  --amber:#f59e0b; --amber2:#fbbf24; --bg:#f4f7fa; --card:#ffffff;
  --line:#e2e8f0; --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
  --radius:12px; --shadow:0 2px 8px rgba(16,42,67,.08);
  --shadow2:0 12px 34px rgba(16,42,67,.16); --maxw:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI",Arial,Helvetica,sans-serif;color:var(--ink);
  background:var(--bg);line-height:1.6;font-size:16px}
a{color:var(--blue2);text-decoration:none}
a:hover{color:var(--blue)}
img,svg{max-width:100%;display:block}
h1,h2,h3{line-height:1.25;color:var(--blue);font-weight:700}
h1{font-size:34px;margin:.2em 0}
h2{font-size:26px;margin:.4em 0}
h3{font-size:19px;margin:.5em 0}
p{margin:.6em 0}
.container{max-width:var(--maxw);margin:0 auto;padding:0 18px}
.muted{color:var(--muted)}
.small{font-size:13px}
.center{text-align:center}
.section{padding:42px 0}
.section.alt{background:#eef3f8}
.kicker{display:inline-block;background:rgba(245,158,11,.15);color:var(--warn);
  font-weight:600;padding:4px 12px;border-radius:999px;font-size:13px;letter-spacing:.3px;margin-bottom:10px}
.divider{height:1px;background:var(--line);border:0;margin:0}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:3px 9px;border-radius:6px;
  background:#eef3f8;color:var(--blue)}
.tag.ok{background:rgba(22,163,74,.14);color:var(--ok)}
.tag.warn{background:rgba(217,119,6,.15);color:var(--warn)}
.tag.bad{background:rgba(220,38,38,.12);color:var(--danger)}

/* buttons */
.btn{display:inline-block;padding:11px 20px;border-radius:10px;font-weight:600;cursor:pointer;
  border:1px solid transparent;transition:.18s;font-size:15px}
.btn-primary{background:var(--amber);color:#2a1c00}
.btn-primary:hover{background:var(--amber2);color:#2a1c00;box-shadow:var(--shadow)}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--blue2);background:#f5f9fd}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue2)}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:8px}
.btn-block{display:block;width:100%;text-align:center}

/* header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(16,42,67,.04)}
.nav{display:flex;align-items:center;justify-content:space-between;height:66px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;color:var(--blue);font-size:19px}
.brand .logo{width:38px;height:38px;flex:0 0 auto}
.brand small{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:.4px}
.menu{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.menu a{padding:9px 13px;border-radius:9px;font-weight:600;color:var(--ink);font-size:15px}
.menu a:hover{background:#eef3f8;color:var(--blue)}
.menu a.active{color:var(--blue);background:rgba(21,90,158,.09)}
.nav .cta{margin-left:8px}
.burger{display:none;border:1px solid var(--line);background:#fff;border-radius:9px;
  width:42px;height:38px;font-size:19px;cursor:pointer;color:var(--blue)}

/* hero */
.hero{background:linear-gradient(120deg,#0b2f52 0%,#0d3b66 45%,#12497f 100%);color:#fff;
  padding:56px 0;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(245,158,11,.22),transparent 62%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .9fr;gap:34px;align-items:center}
.hero h1{color:#fff;font-size:40px;margin:.15em 0 .35em}
.hero p.lead{color:#cfe0f2;font-size:18px;max-width:520px}
.hero .actions{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap}
.hero .hero-visual{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:16px;padding:22px;backdrop-filter:blur(4px)}
.hero .hero-visual svg{width:100%;height:auto}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hero-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:12px 16px;min-width:118px}
.hero-stat b{display:block;font-size:22px;color:var(--amber2)}
.hero-stat span{font-size:12.5px;color:#bcd3ea}

/* generic card grid */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:.18s;padding:20px}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow2);border-color:#cfd9e4}
.card .ic{width:46px;height:46px;border-radius:11px;display:flex;align-items:center;
  justify-content:center;background:rgba(21,90,158,.1);margin-bottom:12px}
.card .ic svg{width:26px;height:26px}

/* timeline / news */
.timeline{position:relative;margin-left:8px;padding-left:26px;border-left:2px solid var(--line)}
.tl-item{position:relative;padding:0 0 22px 6px}
.tl-item::before{content:"";position:absolute;left:-33px;top:4px;width:13px;height:13px;border-radius:50%;
  background:var(--amber);border:3px solid #fff;box-shadow:0 0 0 2px var(--amber)}
.tl-item .date{font-size:13px;color:var(--muted);font-weight:600}
.tl-item h3{margin:.15em 0}

/* ============ pages / catalog ============ */
.pagehead{background:linear-gradient(120deg,#0b2f52,#12497f);color:#fff;padding:40px 0}
.pagehead h1{color:#fff}
.pagehead p{color:#cfe0f2;margin-top:6px;max-width:640px}
.crumbs{font-size:13px;color:#bcd3ea;margin-bottom:10px}
.crumbs a{color:#cfe0f2}
.toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:20px}
.toolbar .filters{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13.5px;font-weight:600;cursor:pointer;color:var(--ink)}
.chip.active{background:var(--blue);color:#fff;border-color:var(--blue)}
.pgrid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;transition:.18s}
.pcard:hover{transform:translateY(-3px);box-shadow:var(--shadow2)}
.pcard .ph{background:linear-gradient(135deg,#eef4fb,#e3edf8);padding:22px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line);min-height:150px}
.pcard .ph svg{width:120px;height:auto}
.pcard .body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.pcard .name{font-weight:700;color:var(--blue);font-size:16.5px}
.pcard .desc{font-size:13.5px;color:var(--muted);margin:6px 0 10px;flex:1}
.pcard .stock{font-size:12.5px;font-weight:600;margin-bottom:10px}
.pcard .stock.ok{color:var(--ok)}
.pcard .stock.warn{color:var(--warn)}
.prow{display:flex;align-items:center;justify-content:space-between;gap:10px}
.price{font-size:22px;font-weight:800;color:var(--blue)}
.price s{font-size:14px;color:var(--muted);font-weight:500;margin-right:6px}
table.spec{width:100%;border-collapse:collapse;font-size:14.5px}
table.spec th,table.spec td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
table.spec th{background:#eef3f8;color:var(--blue);width:42%;font-weight:600}
table.spec tr:nth-child(even) td{background:#fafcfe}
/* ============ blog / forum ============ */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow2)}
.post-card .cov{height:150px;background:linear-gradient(135deg,#0d3b66,#155a9e);display:flex;align-items:center;justify-content:center;position:relative}
.post-card .cov svg{width:120px;height:120px;opacity:.92}
.post-card .cov .cat{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--blue);font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.post-card .body{padding:18px;display:flex;flex-direction:column;flex:1}
.post-card .meta{font-size:12.5px;color:var(--muted);margin-bottom:8px}
.post-card h3{margin:.2em 0}
.post-card p{font-size:14px;color:var(--muted);flex:1}
.post-card .more{margin-top:12px;font-weight:600}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px 40px;max-width:860px;margin:0 auto}
.article h1{font-size:30px}
.article .meta{color:var(--muted);font-size:14px;margin-bottom:20px}
.article h2{margin-top:30px;padding-top:8px;border-top:1px solid var(--line)}
.article p{font-size:16px}
.article ul{padding-left:22px}
.callout{background:#f2f7fc;border-left:4px solid var(--blue2);padding:14px 18px;border-radius:8px;margin:18px 0;font-size:15px}
.callout.warn{background:#fdf5e9;border-left-color:var(--warn)}
.callout b{color:var(--blue)}
.code{background:#0f1f33;color:#cfe0f2;padding:16px 18px;border-radius:10px;font-family:Consolas,"Courier New",monospace;font-size:13.5px;overflow-x:auto;margin:16px 0;white-space:pre}
.code .c{color:#7f97b3}.code .k{color:var(--amber2)}
.callout code,.article code{background:#eef3f8;padding:2px 6px;border-radius:5px;font-family:Consolas,monospace;font-size:13.5px;color:var(--blue)}
.forum-list{display:flex;flex-direction:column;gap:12px}
.frow{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;display:flex;gap:16px;align-items:flex-start;transition:.15s}
.frow:hover{border-color:#cfd9e4;box-shadow:var(--shadow2)}
.avatar{width:46px;height:46px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;font-weight:800;color:#fff;font-size:17px}
.frow .fmain{flex:1;min-width:0}
.frow .ftitle{font-weight:700;color:var(--blue);font-size:16px;margin:0 0 4px}
.frow .ftitle a{color:var(--blue)}
.frow .fmeta{font-size:13px;color:var(--muted)}
.frow .fstats{text-align:right;flex:0 0 auto;min-width:96px}
.frow .fstats b{display:block;font-size:20px;color:var(--blue)}
.frow .fstats span{font-size:12px;color:var(--muted)}
.badge-lock{font-size:11px;background:#eef3f8;color:var(--muted);padding:2px 8px;border-radius:6px}
.thread .topic{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px;margin-bottom:18px}
.thread .post{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px;display:flex;gap:16px;margin-bottom:12px}
.thread .post .pbody{flex:1;min-width:0}
.thread .post .pbody .who{font-weight:700;color:var(--blue)}
.thread .post .pbody .who span{font-weight:500;color:var(--muted);font-size:13px}
.thread .post .pbody .when{font-size:12.5px;color:var(--muted);margin-left:8px}
.thread .post .pbody p{margin:.6em 0;font-size:15px}
.reply{border:1px solid var(--line);border-radius:var(--radius);background:#fbfdff;padding:18px 20px}
.reply textarea{width:100%;min-height:96px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:inherit;font-size:15px;resize:vertical}
.reply input,.reply select{border:1px solid var(--line);border-radius:10px;padding:10px 13px;font-size:14.5px;font-family:inherit}
/* ============ footer / responsive ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.cinfo{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.cinfo li{display:flex;gap:12px;align-items:flex-start}
.cinfo .ci{width:40px;height:40px;border-radius:10px;background:rgba(21,90,158,.1);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.cinfo .ci svg{width:22px;height:22px}
form.contact{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 26px}
form.contact .field{margin-bottom:14px}
form.contact label{display:block;font-size:13.5px;font-weight:600;color:var(--blue);margin-bottom:6px}
form.contact input,form.contact textarea,form.contact select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:15px;font-family:inherit}
form.contact input:focus,form.contact textarea:focus,form.contact select:focus{outline:2px solid rgba(21,90,158,.25);border-color:var(--blue2)}
footer{background:#0b2540;color:#bcd3ea;margin-top:20px;padding:44px 0 20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:26px}
footer h4{color:#fff;font-size:15px;margin:0 0 12px;letter-spacing:.3px}
footer a{color:#bcd3ea;display:block;padding:4px 0;font-size:14px}
footer a:hover{color:var(--amber2)}
footer .brand{color:#fff}
footer .brand small{color:#8fb0cf}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:16px;font-size:13px;color:#8fb0cf;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.flex{display:flex}.between{justify-content:space-between}.items-center{align-items:center}
.gap{gap:12px}.wrap{flex-wrap:wrap}.mt0{margin-top:0}.mb0{margin-bottom:0}
.hidden{display:none!important}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--blue);color:#fff;padding:13px 22px;border-radius:12px;box-shadow:var(--shadow2);opacity:0;pointer-events:none;transition:.25s;z-index:99;font-weight:600}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
@media(max-width:960px){
  .grid-3,.pgrid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero .wrap{grid-template-columns:1fr}
  .hero h1{font-size:32px}
}
@media(max-width:680px){
  .burger{display:block}
  .menu{position:absolute;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow2);padding:10px 14px;gap:4px;display:none}
  .menu.open{display:flex}
  .menu a{padding:12px 14px}
  .nav .cta{display:none}
  .grid-2,.grid-3,.grid-4,.pgrid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  h1{font-size:28px}.hero h1{font-size:28px}
  .article{padding:22px 20px}
  .toolbar{flex-direction:column;align-items:stretch}
}