/* ============================================================
   АО «АРТЭСС» — фирменный стиль по официальному бланку компании
   Логотип: красный квадрат #e8432a с белой «А»
   Разделительная линия бланка: #c81e1e. Текст чёрный, фон белый.
   v4 — выразительная редакция: глубже композиция, больше воздуха,
   акцентные детали, плавные тени, при этом строгий деловой характер.
   ============================================================ */
:root{
  --red:#e8432a;
  --red-dark:#c81e1e;
  --red-deep:#8f1212;
  --graphite:#1e1e1e;
  --graphite-2:#2a2a2a;
  --steel:#5d5d5d;
  --light:#f7f6f5;
  --paper:#fbfaf9;
  --border:#e6e3e1;
  --text:#1c1c1c;
  --white:#ffffff;
  --shadow:0 10px 34px rgba(20,10,8,.09);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Georgia,'Times New Roman',serif;color:var(--text);line-height:1.68;background:var(--white);font-size:17px}
h1,h2,h3,h4,.sans{font-family:Arial,Helvetica,sans-serif}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
img{max-width:100%}

::selection{background:var(--red);color:#fff}

/* Top bar */
.topbar{background:var(--graphite);color:#d9d9d9;font-family:Arial,sans-serif;font-size:13.5px;padding:7px 0;letter-spacing:.2px}
.topbar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px}
.topbar a{color:#ffffff;text-decoration:none;font-weight:600}
.topbar a:hover{text-decoration:underline;color:#ffb3a6}

/* Header — фирменный бланк АО «АРТЭСС» */
header.site{background:var(--white)}
.brandplate{background:var(--white);position:relative;padding:22px 0 14px;border-bottom:1px solid var(--border)}
.brandplate::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--red) 0%,var(--red-dark) 55%,transparent 100%)}
.brandplate .container{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.brandplate .form{font-family:Georgia,serif;font-weight:bold;font-size:19px;color:#000;text-align:right;line-height:1.4}
.brandplate .form small{display:block;font-weight:normal;font-size:13px;color:var(--steel)}
a.logo{text-decoration:none;display:inline-flex;align-items:center;gap:18px}
.logo .mark{width:62px;height:62px;display:block;flex:0 0 auto;box-shadow:4px 4px 0 rgba(200,30,30,.14)}
.logo .name{font-family:'Times New Roman',Georgia,serif;font-weight:bold;font-size:36px;color:#000;letter-spacing:.5px;line-height:1.08}
.logo .sub{font-family:Georgia,serif;font-size:13.5px;color:var(--steel);display:block;margin-top:3px}
.addrline{background:var(--white);font-family:Georgia,serif;font-size:14px;color:#333;padding:6px 0 12px}
.navwrap{border-top:3px solid var(--red-dark);border-bottom:1px solid var(--border);background:var(--white);position:sticky;top:0;z-index:50;box-shadow:0 2px 10px rgba(0,0,0,.06)}
nav.main{display:flex;flex-wrap:wrap;gap:2px;padding:0}
nav.main a{font-family:Arial,sans-serif;font-size:14.5px;color:var(--text);font-weight:600;text-decoration:none;padding:14px 16px;position:relative;transition:color .15s}
nav.main a::after{content:"";position:absolute;left:16px;right:16px;bottom:8px;height:2px;background:var(--red-dark);transform:scaleX(0);transform-origin:left;transition:transform .2s}
nav.main a:hover{color:var(--red-dark)}
nav.main a:hover::after{transform:scaleX(1)}
nav.main a.active{background:var(--red-dark);color:#fff}
nav.main a.active::after{display:none}

/* Полоса регалий */
.badges{background:var(--paper);border-bottom:1px solid var(--border);padding:14px 0}
.badges .container{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap}
.badges img{height:46px;width:auto;opacity:.92;filter:grayscale(18%);transition:all .2s}
.badges img:hover{opacity:1;filter:none;transform:translateY(-2px)}

/* Hero */
.hero{background:
  radial-gradient(900px 420px at 88% -10%, rgba(232,67,42,.16), transparent 60%),
  linear-gradient(150deg,var(--graphite) 0%,var(--graphite-2) 58%,#33201c 100%);
  color:#fff;padding:74px 0 66px;position:relative;overflow:hidden}
.hero::before{content:"А";position:absolute;right:-40px;bottom:-135px;
  font-family:'Times New Roman',Georgia,serif;font-weight:bold;font-style:italic;
  font-size:560px;line-height:1;color:rgba(232,67,42,.08);pointer-events:none}
.hero::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:5px;
  background:linear-gradient(90deg,var(--red),var(--red-dark) 60%,transparent)}
.hero .container{position:relative;z-index:1}
.hero .kicker{display:inline-block;font-family:Arial,sans-serif;font-size:12.5px;letter-spacing:2.4px;text-transform:uppercase;color:#ffb3a6;border:1px solid rgba(232,67,42,.55);padding:6px 14px;margin-bottom:22px;background:rgba(232,67,42,.10)}
.hero h1{font-family:'Times New Roman',Georgia,serif;font-size:41px;line-height:1.2;max-width:880px;margin-bottom:20px}
.hero h1 em{font-style:normal;color:#ff8d7a}
.hero p.lead{font-size:19px;color:#e6e6e6;max-width:780px;margin-bottom:30px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;font-family:Arial,sans-serif;font-size:15.5px;text-decoration:none;padding:14px 30px;border-radius:2px;transition:all .15s}
.btn-primary{background:var(--red);color:#fff;font-weight:bold;box-shadow:0 6px 18px rgba(232,67,42,.35)}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px)}
.btn-outline{border:1.5px solid #9a9a9a;color:#fff}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.10)}
.hero .facts{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.04);backdrop-filter:blur(2px)}
.hero .facts div{padding:20px 22px;border-left:1px solid rgba(255,255,255,.14);position:relative}
.hero .facts div:first-child{border-left:none}
.hero .facts div::before{content:"";position:absolute;left:22px;top:14px;width:26px;height:3px;background:var(--red)}
.hero .facts b{display:block;font-family:Arial,sans-serif;font-size:27px;margin-top:8px}
.hero .facts span{font-size:13.5px;color:#cfcfcf;display:block;margin-top:3px}

/* Sections */
section.block{padding:64px 0}
section.block.alt{background:var(--light);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
h2.sec{font-family:'Times New Roman',Georgia,serif;font-size:31px;color:var(--text);margin-bottom:12px;padding-bottom:14px;position:relative}
h2.sec::after{content:"";position:absolute;left:0;bottom:0;width:64px;height:4px;background:var(--red-dark)}
h2.sec::before{content:"";position:absolute;left:70px;bottom:0;width:18px;height:4px;background:var(--red)}
p.sec-sub{color:var(--steel);margin-bottom:34px;max-width:840px;font-size:17.5px}
h3.mini{font-size:19px;color:var(--text);margin:26px 0 10px}

/* Cards */
.grid{display:grid;gap:24px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--border);border-top:3px solid var(--red-dark);padding:26px 24px 22px;border-radius:2px;box-shadow:0 2px 12px rgba(0,0,0,.04);transition:all .2s;position:relative;counter-increment:cardnum}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-top-color:var(--red)}
.card h3{font-family:'Times New Roman',Georgia,serif;font-size:20px;color:var(--text);margin-bottom:10px}
.card p,.card li{font-size:15.5px;color:var(--text)}
.card ul{padding-left:19px;margin-top:6px}
.card li{margin-bottom:5px}
.card a.more{font-family:Arial,sans-serif;font-size:14px;color:var(--red-dark);font-weight:bold;text-decoration:none;display:inline-block;margin-top:12px}
.card a.more:hover{text-decoration:underline}
.grid.numbered .card{padding-top:30px}
.grid.numbered .card::before{content:counter(cardnum,decimal-leading-zero);position:absolute;top:16px;right:20px;font-family:Arial,sans-serif;font-size:30px;font-weight:bold;color:rgba(200,30,30,.14);line-height:1}

/* Lists & tables */
ul.check{list-style:none;padding:0}
ul.check li{padding-left:26px;position:relative;margin-bottom:9px}
ul.check li::before{content:"—";position:absolute;left:0;color:var(--red-dark);font-weight:bold}
table.data{width:100%;border-collapse:collapse;margin:18px 0;background:#fff;box-shadow:0 1px 8px rgba(0,0,0,.04)}
table.data th{background:var(--graphite);color:#fff;font-family:Arial,sans-serif;font-size:14.5px;text-align:left;padding:12px 15px;border-bottom:3px solid var(--red-dark)}
table.data td{border:1px solid var(--border);padding:11px 15px;font-size:15px;vertical-align:top}
table.data tr:nth-child(even) td{background:var(--light)}
table.data tr:hover td{background:#fdf3f1}

blockquote.note{border-left:4px solid var(--red-dark);background:#fdf1ef;padding:18px 22px;margin:22px 0;font-size:15.5px;color:#4a2c27}

/* Page head */
.pagehead{background:
  radial-gradient(640px 260px at 92% -30%, rgba(232,67,42,.18), transparent 62%),
  linear-gradient(150deg,var(--graphite),var(--graphite-2));
  color:#fff;padding:44px 0;border-bottom:4px solid var(--red-dark);position:relative;overflow:hidden}
.pagehead::before{content:"А";position:absolute;right:-10px;bottom:-105px;font-family:'Times New Roman',serif;font-weight:bold;font-style:italic;font-size:300px;line-height:1;color:rgba(232,67,42,.09);pointer-events:none}
.pagehead .container{position:relative;z-index:1}
.pagehead h1{font-family:'Times New Roman',Georgia,serif;font-size:32px;max-width:920px}
.pagehead .crumbs{font-family:Arial,sans-serif;font-size:13px;color:#b9b9b9;margin-bottom:12px}
.pagehead .crumbs a{color:#e0e0e0;text-decoration:none}
.pagehead .crumbs a:hover{text-decoration:underline}

/* CTA band */
.cta{background:linear-gradient(135deg,var(--red-dark),var(--red-deep));color:#fff;padding:50px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border:38px solid rgba(255,255,255,.07);transform:rotate(14deg)}
.cta .container{display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;position:relative;z-index:1}
.cta h2{font-family:'Times New Roman',Georgia,serif;font-size:26px;max-width:660px}
.cta p{color:#ffe1dc;font-size:15.5px;margin-top:8px;max-width:640px}
.cta .btn-primary{background:#fff;color:var(--red-dark);box-shadow:0 8px 22px rgba(0,0,0,.22)}
.cta .btn-primary:hover{background:#f3f3f3;color:var(--red-deep)}

/* Footer */
footer.site{background:var(--graphite);color:#c4c4c4;padding:0 0 26px;font-size:14.5px}
footer.site .footband{background:linear-gradient(90deg,var(--red),var(--red-dark) 60%,var(--red-deep));height:6px;margin-bottom:36px}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:36px;margin-bottom:28px}
footer.site h4{color:#fff;font-size:15px;margin-bottom:12px;letter-spacing:.5px}
footer.site a{color:#e0e0e0;text-decoration:none}
footer.site a:hover{text-decoration:underline;color:#fff}
footer.site ul{list-style:none}
footer.site li{margin-bottom:7px}
footer.site .bottom{border-top:1px solid #3d3d3d;padding-top:16px;font-size:13px;color:#9a9a9a}
.foot-logo{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.foot-logo img{width:38px;height:38px}

/* Content page */
.content-wrap{display:grid;grid-template-columns:2.4fr 1fr;gap:44px;padding:52px 0}
.content-main h2{font-family:'Times New Roman',Georgia,serif;font-size:25px;color:var(--text);margin:34px 0 14px;padding-bottom:10px;position:relative}
.content-main h2::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:3px;background:var(--red-dark)}
.content-main h2:first-child{margin-top:0}
.content-main p{margin-bottom:14px}
.content-main ul{margin:0 0 16px 22px}
.content-main li{margin-bottom:7px}
aside.side .box{background:var(--light);border:1px solid var(--border);border-top:3px solid var(--red-dark);padding:22px;border-radius:2px;margin-bottom:22px;box-shadow:0 2px 10px rgba(0,0,0,.04)}
aside.side h3{font-size:16px;color:var(--text);margin-bottom:10px}
aside.side p,aside.side li{font-size:14.5px}
aside.side ul{list-style:none}
aside.side li{margin-bottom:8px}
aside.side a{color:var(--red-dark);text-decoration:none}
aside.side a:hover{text-decoration:underline}
aside.side .btn-primary{background:var(--red-dark);color:#fff;display:block;text-align:center}
aside.side .btn-primary:hover{background:var(--red-deep)}

/* Двухколоночная лента направлений на главной */
.dirline{display:grid;grid-template-columns:56px 1fr;gap:0 18px;align-items:start;margin-bottom:8px}
.dirline .sq{width:56px;height:56px;background:var(--red-dark);color:#fff;font-family:'Times New Roman',serif;font-weight:bold;font-style:italic;font-size:30px;display:flex;align-items:center;justify-content:center}

@media(max-width:960px){
  .grid.c3{grid-template-columns:1fr 1fr}
  footer.site .cols{grid-template-columns:1fr 1fr}
  .content-wrap{grid-template-columns:1fr}
  .logo .name{font-size:29px}
  .badges img{height:40px}
  .hero .facts{grid-template-columns:1fr 1fr}
  .hero .facts div{border-top:1px solid rgba(255,255,255,.14)}
  .hero h1{font-size:33px}
}
@media(max-width:640px){
  .hero{padding:52px 0 48px}
  .hero h1{font-size:27px}
  .hero .facts{grid-template-columns:1fr 1fr}
  .hero .facts div{padding:14px 14px}
  .hero .facts b{font-size:21px}
  .hero::before{font-size:340px;right:-70px;bottom:-90px}
  .grid.c3,.grid.c2{grid-template-columns:1fr}
  footer.site .cols{grid-template-columns:1fr}
  nav.main{gap:0}
  nav.main a{padding:11px 9px;font-size:13.5px}
  .brandplate .form{font-size:15px;text-align:left}
  .logo .name{font-size:24px}
  .logo .mark{width:46px;height:46px}
  .addrline{font-size:12.5px}
  .badges .container{justify-content:center;gap:14px}
  .badges img{height:32px}
  h2.sec{font-size:25px}
  .pagehead h1{font-size:25px}
  section.block{padding:44px 0}
}