/* Оформление сайта ГрандЭнергоАвтоматика. Перенесено 1-в-1 из утверждённого
   макета design/index.html: палитра (глубокий синий + медный акцент), скруглённые
   карточки, системный шрифт без внешних подключений. */
:root{
	--navy:#0E2F4F; --navy-2:#143E67; --blue:#1A5C93; --blue-50:#EAF1F8;
	--copper:#B0642C; --copper-2:#96521F; --copper-50:#FAF1EA;
	--ink:#1B2733; --muted:#5C6B7A; --line:#DFE7EF; --canvas:#F4F7FA; --paper:#fff;
	--r-lg:22px; --r-md:16px; --r-sm:11px;
	--shadow:0 10px 30px rgba(14,47,79,.08);
	--shadow-sm:0 4px 14px rgba(14,47,79,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
	color:var(--ink);background:var(--paper);line-height:1.6;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--blue);text-decoration:none}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:650;letter-spacing:-.01em}
h1{font-size:2.6rem}
h2{font-size:1.95rem}
h3{font-size:1.15rem}
p{margin:0 0 1rem}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
section{padding:76px 0}
section.tint{background:var(--canvas)}
section.deep{background:var(--navy);color:#EAF1F8}
section.deep h2,section.deep h3{color:#fff}
.eyebrow{display:inline-block;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
	color:var(--copper);font-weight:700;margin-bottom:12px}
.deep .eyebrow{color:#E0A97A}
.lead{font-size:1.08rem;color:var(--muted);max-width:760px}
.deep .lead{color:#B9CBDC}
.head{max-width:820px;margin-bottom:38px}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-lg);
	padding:26px;box-shadow:var(--shadow-sm)}
.card.pic{padding:0;overflow:hidden}
.card.pic .ph{background:var(--blue-50);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;padding:18px}
.card.pic .ph img{max-height:100%;width:auto;object-fit:contain;mix-blend-mode:multiply}
.card.pic .body{padding:22px 24px 26px}
.card h3{margin-bottom:6px}
.card p{color:var(--muted);font-size:.95rem;margin:0}
.deep .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.14);box-shadow:none}
.deep .card p{color:#B9CBDC}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
	font:inherit;font-weight:600;padding:14px 26px;border-radius:var(--r-sm);transition:.15s}
.btn-primary{background:var(--copper);color:#fff}
.btn-primary:hover{background:var(--copper-2)}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper)}
/* На тёмном фоне (герой, синие секции) призрачная кнопка идёт белой обводкой
   с лёгкой подложкой — иначе тёмный текст сливается с фоном. */
.deep .btn-ghost,.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.7);background:rgba(255,255,255,.10)}
.deep .btn-ghost:hover,.hero .btn-ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-block{width:100%}

/* шапка */
.topbar{background:var(--navy);color:#C6D7E6;font-size:.86rem}
.topbar .wrap{display:flex;gap:26px;align-items:center;justify-content:flex-end;height:42px}
.topbar a{color:#fff}
header.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);
	backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.nav .wrap{display:flex;align-items:center;gap:30px;height:74px}
.logo{display:flex;align-items:center;gap:12px;line-height:1.05}
.logo img{height:44px;width:auto}
.logo b{font-size:1.16rem;font-weight:750;color:var(--navy);letter-spacing:-.02em}
.logo-foot{display:flex;flex-direction:column;line-height:1.05}
.logo-foot b{font-size:1.16rem;font-weight:750;letter-spacing:-.02em}
.logo-foot span{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--copper);font-weight:600}
nav.menu{display:flex;gap:22px;margin-left:auto;font-size:.94rem}
nav.menu a{color:var(--ink);opacity:.85}
nav.menu a:hover{color:var(--copper);opacity:1}
header .btn{padding:11px 20px}

/* 1. герой */
.hero{background:linear-gradient(160deg,#0E2F4F 0%,#164066 55%,#1A5C93 100%);color:#fff;padding:80px 0 72px}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero h1{color:#fff;font-size:2.85rem}
.hero p.lead{color:#C4D6E6}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.plate{position:absolute;left:20px;bottom:20px;background:rgba(14,47,79,.9);border:1px solid rgba(224,169,122,.5);
	border-radius:14px;padding:14px 18px;color:#fff;font-size:.82rem;display:flex;gap:24px}
.plate div span{display:block;color:#E0A97A;font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}
.plate div b{font-size:1.05rem;font-weight:650}
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:44px;
	border-top:1px solid rgba(255,255,255,.16);padding-top:26px}
.facts b{display:block;font-size:1.7rem;color:#fff;font-weight:700}
.facts span{color:#9FB6CA;font-size:.88rem}

/* формы */
.form{background:var(--paper);border-radius:var(--r-lg);padding:28px;border:1px solid var(--line);box-shadow:var(--shadow)}
.form.on-dark{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);box-shadow:none}
.form h3{margin-bottom:4px}
.form .hint{font-size:.9rem;color:var(--muted);margin-bottom:18px}
.on-dark .hint{color:#B9CBDC}
.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:600;margin-bottom:6px;color:var(--muted)}
.on-dark .field label{color:#B9CBDC}
input,select,textarea{width:100%;font:inherit;color:var(--ink);background:#fff;
	border:1.5px solid var(--line);border-radius:var(--r-sm);padding:12px 14px;outline:0}
input:focus,select:focus,textarea:focus{border-color:var(--copper)}
textarea{min-height:96px;resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:.8rem;color:var(--muted);margin:14px 0 18px}
.on-dark .consent{color:#9FB6CA}
.consent input{width:16px;height:16px;margin-top:3px;flex:none}
.form-band{background:var(--copper-50);border-radius:var(--r-lg);padding:34px;display:grid;
	grid-template-columns:1fr 1.05fr;gap:38px;align-items:center;border:1px solid #EEDCCC}

/* таблица */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
table{border-collapse:collapse;width:100%;font-size:.88rem;min-width:760px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
thead th{background:var(--blue-50);color:var(--navy);font-weight:650;font-size:.8rem;
	text-transform:uppercase;letter-spacing:.04em}
tbody tr:hover{background:#FAFCFE}
td:first-child{font-weight:650;color:var(--navy)}

/* товарные карточки */
.price{font-size:1.25rem;font-weight:700;color:var(--copper);margin:12px 0 4px}
.price small{font-size:.78rem;color:var(--muted);font-weight:500;display:block}
.spec{list-style:none;margin:12px 0 0;padding:0;font-size:.88rem;color:var(--muted)}
.spec li{padding:6px 0;border-top:1px dashed var(--line);display:flex;justify-content:space-between;gap:12px}
.tag{display:inline-block;background:var(--blue-50);color:var(--blue);font-size:.75rem;font-weight:650;
	padding:5px 11px;border-radius:100px}

/* списки-чипы */
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{background:#fff;border:1px solid var(--line);border-radius:100px;padding:9px 18px;font-size:.9rem;box-shadow:var(--shadow-sm)}
.deep .chip{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);color:#DCE8F2;box-shadow:none}

.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.figure{border-radius:var(--r-lg);overflow:hidden;background:var(--blue-50);box-shadow:var(--shadow-sm)}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.bullets{list-style:none;padding:0;margin:0}
.bullets li{padding:11px 0 11px 30px;position:relative;border-bottom:1px solid var(--line);color:var(--muted)}
.deep .bullets li{border-color:rgba(255,255,255,.14);color:#C4D6E6}
.bullets li:before{content:"";position:absolute;left:4px;top:19px;width:9px;height:9px;border-radius:3px;background:var(--copper)}

/* бренды */
.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.brands div{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);height:92px;
	display:flex;align-items:center;justify-content:center;padding:16px}
.brands img{max-height:44px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.75}

/* таймлайн */
.timeline{border-left:2px solid var(--line);padding-left:26px;margin-left:8px}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:before{content:"";position:absolute;left:-33px;top:6px;width:12px;height:12px;border-radius:50%;
	background:var(--copper);border:3px solid #fff;box-shadow:0 0 0 2px var(--copper)}
.tl-item b{color:var(--navy)}

/* сертификаты */
.certs{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.certs figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:10px}
.certs img{aspect-ratio:3/4;object-fit:contain;width:100%}

/* контакты и подвал */
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm)}
.contact-card b{display:block;color:var(--navy)}
.map{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);height:100%;min-height:260px;
	background:var(--blue-50) center/cover no-repeat}
footer{background:var(--navy);color:#9FB6CA;padding:54px 0 30px;font-size:.9rem}
footer a{color:#DCE8F2}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding-bottom:30px;
	border-bottom:1px solid rgba(255,255,255,.14)}
footer h4{color:#fff;font-size:.95rem;margin:0 0 12px}
footer ul{list-style:none;padding:0;margin:0}
footer li{padding:4px 0}
footer .bottom{padding-top:20px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.82rem}

/* ── каталог двигателей ── */
.cat-head{background:var(--navy);color:#fff;padding:44px 0 40px}
.cat-head h1{font-size:2rem;margin:0 0 10px}
.cat-head p{color:#B9CBDA;max-width:640px;margin:0}
.cat-wrap{display:grid;grid-template-columns:264px 1fr;gap:28px;align-items:start;padding:34px 0 56px}
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;position:sticky;top:84px}
.filters h4{margin:0 0 14px;font-size:1rem}
.fgroup{margin-bottom:18px}
.fgroup > span{display:block;font-size:.82rem;color:var(--muted);margin-bottom:8px}
.fgroup label{display:flex;align-items:center;gap:9px;font-size:.92rem;padding:5px 0;cursor:pointer}
.fgroup input{width:auto;margin:0}
.filters .btn{width:100%;justify-content:center}
.cat-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.cat-top .found{color:var(--muted);font-size:.92rem}
.cat-top select{max-width:230px;margin-left:auto}
.mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column}
.mcard-ph{height:172px;background:var(--blue-50);display:flex;align-items:center;justify-content:center}
.mcard-ph img{max-height:150px;max-width:88%;object-fit:contain}
.mcard-b{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.mcard-b h3{margin:0 0 12px;font-size:1.05rem}
.specs{list-style:none;margin:0 0 16px;padding:0;font-size:.88rem}
.specs li{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px dashed var(--line)}
.specs li span{color:var(--muted)}
.mcard-f{margin-top:auto;display:flex;align-items:center;gap:12px}
.price{font-size:1.12rem;font-weight:650;color:var(--navy)}
.price span{font-weight:400;color:var(--muted)}
.btn-sm{padding:9px 16px;font-size:.88rem;margin-left:auto}
/* ── страница модели ── */
.crumbs{font-size:.86rem;color:var(--muted);padding:18px 0}
.crumbs a{color:var(--muted)}
.model{display:grid;grid-template-columns:1.05fr 1fr;gap:34px;padding-bottom:20px}
.model-ph{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
	display:flex;align-items:center;justify-content:center;min-height:340px}
.model-ph img{max-width:100%;max-height:320px;object-fit:contain}
.model h1{font-size:1.8rem;margin:0 0 6px}
.model .sub{color:var(--muted);margin:0 0 18px}
.model .price{font-size:1.7rem;margin-bottom:6px}
.model .note{font-size:.86rem;color:var(--muted);margin-bottom:20px}
.buyrow{display:flex;gap:12px;margin-bottom:24px}
.thumbs{display:flex;gap:10px;margin-top:14px}
.thumbs div{width:78px;height:64px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
	display:flex;align-items:center;justify-content:center;overflow:hidden}
.thumbs img{max-width:88%;max-height:52px;object-fit:contain}
@media(max-width:900px){.cat-wrap{grid-template-columns:1fr}.filters{position:static}
	.mgrid{grid-template-columns:repeat(2,1fr)}.model{grid-template-columns:1fr}}
@media(max-width:600px){.mgrid{grid-template-columns:1fr}}

/* ── виджет чата с ИИ-консультантом ── */
.chat-fab{position:fixed;right:24px;bottom:24px;z-index:60;width:62px;height:62px;border-radius:50%;
	background:var(--copper);color:#fff;border:0;cursor:pointer;box-shadow:0 12px 28px rgba(14,47,79,.28);
	display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.chat-fab:hover{background:var(--copper-2)}
.chat-panel{position:fixed;right:24px;bottom:24px;z-index:61;width:372px;max-width:calc(100vw - 32px);
	background:#fff;border-radius:var(--r-lg);box-shadow:0 24px 60px rgba(14,47,79,.28);
	border:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden}
.chat-head{background:var(--navy);color:#fff;padding:16px 18px;display:flex;align-items:center;gap:12px}
.chat-head .ava{width:38px;height:38px;border-radius:50%;background:var(--copper);display:flex;
	align-items:center;justify-content:center;font-size:1.1rem;flex:none}
.chat-head b{display:block;font-size:.98rem;font-weight:650}
.chat-head span{font-size:.76rem;color:#9FB6CA}
.chat-head .close{margin-left:auto;background:transparent;border:0;color:#9FB6CA;font-size:1.3rem;cursor:pointer}
.chat-body{padding:18px;display:flex;flex-direction:column;gap:12px;height:352px;overflow-y:auto;background:var(--canvas)}
.msg{max-width:84%;padding:11px 14px;border-radius:16px;font-size:.92rem;line-height:1.45;white-space:pre-wrap}
.msg.bot{background:#fff;border:1px solid var(--line);border-bottom-left-radius:5px;align-self:flex-start}
.msg.me{background:var(--navy);color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.msg.typing{color:var(--muted);font-style:italic}
#chat-typing{display:none;margin:10px 18px 0}
#chat-typing.htmx-request{display:block}
.chat-foot{display:flex;gap:10px;padding:14px;border-top:1px solid var(--line);background:#fff}
.chat-foot input{border-radius:100px;padding:11px 16px}
.chat-foot button{border:0;background:var(--copper);color:#fff;width:44px;height:44px;border-radius:50%;
	cursor:pointer;font-size:1.1rem;flex:none}
.chat-foot button:hover{background:var(--copper-2)}
.chat-foot button:disabled{opacity:.6;cursor:default}
.chat-note{font-size:.72rem;color:var(--muted);text-align:center;padding:0 14px 12px;background:#fff}
@media(max-width:600px){.chat-panel{right:12px;left:12px;bottom:12px;width:auto}}

@media(max-width:960px){
	.hero .wrap,.split,.form-band{grid-template-columns:1fr}
	.g3,.g4,.brands,.certs{grid-template-columns:repeat(2,1fr)}
	.facts{grid-template-columns:repeat(2,1fr)}
	nav.menu{display:none}
	h1,.hero h1{font-size:2rem}h2{font-size:1.55rem}
	footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){.g2,.row2{grid-template-columns:1fr}}

	/* ── результат отправки формы (подменяет форму) ── */
	.lead-ok{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 28px;
		text-align:center;box-shadow:var(--shadow)}
	.on-dark-slot .lead-ok{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.18);color:#EAF1F8;box-shadow:none}
	.lead-ok .mark{width:52px;height:52px;border-radius:50%;background:var(--copper);color:#fff;
		display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin:0 auto 16px}
	.lead-ok h3{margin-bottom:6px}
	.lead-ok p{color:var(--muted);margin:0}
	.on-dark-slot .lead-ok p{color:#B9CBDC}
	.form-error{background:var(--copper-50);border:1px solid #E7C9AE;color:var(--copper-2);
		border-radius:var(--r-sm);padding:11px 14px;font-size:.9rem;margin-bottom:14px}

	/* ── служебные страницы (вход, регистрация, восстановление, настройки) ── */
	.page{background:var(--canvas);min-height:calc(100vh - 116px);padding:56px 0}
	.panel{max-width:460px;margin:0 auto;background:#fff;border:1px solid var(--line);
		border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow)}
	.panel h1{font-size:1.6rem;margin-bottom:6px}
	.panel .sub{color:var(--muted);font-size:.94rem;margin-bottom:22px}
	.panel .links{margin-top:18px;font-size:.9rem;color:var(--muted);display:flex;gap:16px;justify-content:center}
	.panel-wide{max-width:860px}
	.flash{background:var(--blue-50);border:1px solid #CFE0EF;color:var(--navy);
		border-radius:var(--r-sm);padding:11px 14px;font-size:.9rem;margin-bottom:16px}
	.settings-table td span.key{color:var(--muted);font-size:.8rem}
	.muted{color:var(--muted)}