/* ===== Базовые настройки ===== */
:root{
  --bg:#14161a; --bg2:#1b1e24; --card:#22262e; --line:#32384233;
  --text:#e8eaf0; --muted:#9aa3b2;
  --accent:#f5820b; --accent2:#ff9d3d; --dark:#26282e;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter','Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}
img{max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent2)}
h1,h2,h3{line-height:1.25}
.wrap{max-width:1140px;margin:0 auto;padding:0 20px}
.btn{display:inline-block;background:linear-gradient(135deg,var(--accent),#e06f00);color:#fff;
  font-weight:600;padding:13px 30px;border-radius:8px;border:none;cursor:pointer;font-size:16px;
  transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px #f5820b44;color:#fff}
.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent)}
.btn-outline:hover{background:var(--accent);color:#fff}

/* ===== Шапка (светлая, липкая) ===== */
.site-header{position:sticky;top:0;z-index:100;background:#fff;
  box-shadow:0 2px 10px rgba(0,0,0,.12);transition:padding .2s}
.header-in{display:flex;align-items:center;gap:16px;padding:10px 0;transition:padding .2s}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo img{width:56px;height:56px;object-fit:contain;transition:width .2s,height .2s}
.logo span{font-size:19px;font-weight:800;color:#1c1f24;letter-spacing:.3px;white-space:nowrap}
.logo span b{color:var(--accent)}
.site-header.scrolled .header-in{padding:4px 0}
.site-header.scrolled .logo img{width:42px;height:42px}
.site-header.scrolled .logo span{font-size:16px}
nav.main-nav{margin-left:auto;display:flex;gap:6px;align-items:center}
nav.main-nav a{color:#1c1f24;font-weight:600;font-size:15px;padding:9px 14px;border-radius:7px;transition:background .15s}
nav.main-nav a:hover{background:#f5820b14;color:var(--accent)}
nav.main-nav a.active{background:var(--accent);color:#fff}
.nav-phone{margin-left:10px;padding:9px 16px;border:2px solid var(--accent);border-radius:7px;
  color:var(--accent)!important;font-weight:700}
.nav-phone:hover{background:var(--accent);color:#fff!important}
.burger{display:none;margin-left:auto;background:none;border:none;cursor:pointer;padding:8px}
.burger span{display:block;width:26px;height:3px;background:#1c1f24;margin:5px 0;border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.mobile-nav{display:none;flex-direction:column;background:#fff;padding:8px 0 16px}
.mobile-nav a{color:#1c1f24;font-weight:600;padding:12px 20px;border-top:1px solid #eee}
.mobile-nav.open{display:flex}

/* ===== Герой ===== */
.hero{background:linear-gradient(160deg,#1b1e24 55%,#242936);position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-140px;top:-140px;width:480px;height:480px;
  border-radius:50%;background:radial-gradient(circle,#f5820b2e,transparent 65%)}
.hero-in{padding:86px 0 90px;position:relative;z-index:1}
.hero .kicker{color:var(--accent);font-weight:700;letter-spacing:2.5px;text-transform:uppercase;font-size:13px}
.hero h1{font-size:clamp(30px,4.6vw,50px);margin:14px 0 18px;max-width:760px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{color:var(--muted);font-size:18px;max-width:620px;margin-bottom:32px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===== Секции ===== */
section{padding:72px 0}
.sec-light{background:var(--bg2)}
.sec-title{font-size:clamp(24px,3vw,34px);margin-bottom:10px}
.sec-sub{color:var(--muted);margin-bottom:40px;max-width:640px}
.sec-head{border-left:4px solid var(--accent);padding-left:14px;margin-bottom:14px}

/* ===== Карточки / цифры ===== */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stats div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px;text-align:center}
.stats b{display:block;font-size:36px;color:var(--accent)}
.stats span{color:var(--muted);font-size:14px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px;transition:transform .18s,border-color .18s}
.card:hover{transform:translateY(-4px);border-color:#f5820b66}
.card .ico{width:46px;height:46px;border-radius:10px;background:#f5820b1f;display:flex;align-items:center;
  justify-content:center;margin-bottom:16px}
.card .ico svg{width:24px;height:24px;stroke:var(--accent)}
.card h3{font-size:18px;margin-bottom:8px}
.card p{color:var(--muted);font-size:14.5px}

/* ===== Этапы ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;position:relative}
.step::before{counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:40px;font-weight:800;color:#f5820b2e;position:absolute;top:10px;right:16px}
.step h3{font-size:16px;margin-bottom:8px}
.step p{color:var(--muted);font-size:14px}

/* ===== Таблица каталога ===== */
.catalog-tools{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:22px}
.search-box{flex:1;min-width:240px;position:relative}
.search-box input{width:100%;background:var(--card);border:1px solid #3a414d;color:var(--text);
  padding:12px 16px 12px 42px;border-radius:8px;font-size:15px;outline:none}
.search-box input:focus{border-color:var(--accent)}
.search-box svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:18px;height:18px;stroke:var(--muted)}
.note{background:#f5820b14;border:1px solid #f5820b55;border-radius:10px;padding:16px 20px;margin-bottom:26px;
  color:#ffd9b0;font-size:15px}
table.parts{width:100%;border-collapse:collapse;background:var(--card);border-radius:12px;overflow:hidden}
table.parts th{background:#2c313b;text-align:left;padding:14px 18px;font-size:13px;text-transform:uppercase;
  letter-spacing:.8px;color:var(--muted)}
table.parts td{padding:14px 18px;border-top:1px solid var(--line);font-size:15px}
table.parts tr:hover td{background:#f5820b0d}
td.art{color:var(--muted);font-family:'Courier New',monospace;white-space:nowrap}
td.price{color:var(--accent);font-weight:700;white-space:nowrap}
.btn-sm{background:transparent;border:1.5px solid var(--accent);color:var(--accent);padding:7px 16px;
  border-radius:6px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.15s}
.btn-sm:hover{background:var(--accent);color:#fff}
.no-results{display:none;text-align:center;color:var(--muted);padding:36px}
.marks{margin-top:36px}
.marks p{color:var(--muted);margin-bottom:12px}
.tag{display:inline-block;background:var(--card);border:1px solid #3a414d;border-radius:20px;
  padding:6px 16px;margin:4px 6px 4px 0;font-size:14px;color:var(--text)}

/* ===== Форма ===== */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
label{display:block;font-size:13.5px;color:var(--muted);margin-bottom:6px}
input[type=text],input[type=tel],input[type=email],textarea,select{
  width:100%;background:var(--bg);border:1px solid #3a414d;color:var(--text);
  padding:12px 14px;border-radius:8px;font-size:15px;font-family:inherit;outline:none}
input:focus,textarea:focus,select:focus{border-color:var(--accent)}
textarea{min-height:120px;resize:vertical}
.form-msg{display:none;margin-top:16px;padding:14px 18px;border-radius:8px;font-size:15px}
.form-msg.ok{display:block;background:#1f8a4c26;border:1px solid #2ecc71;color:#7be3a8}
.form-msg.err{display:block;background:#c0392b26;border:1px solid #e74c3c;color:#f1948a}

/* ===== Контакты ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:36px;align-items:start}
.contact-list{list-style:none}
.contact-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-list svg{width:22px;height:22px;stroke:var(--accent);flex-shrink:0;margin-top:3px}
.contact-list b{display:block;font-size:14px;color:var(--muted);font-weight:600;margin-bottom:2px}
.contact-list span{font-size:16.5px}
.form-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:32px}

/* ===== Футер ===== */
footer{background:#0e1013;border-top:3px solid var(--accent);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-grid .flogo{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-grid .flogo img{width:48px;height:48px}
.footer-grid .flogo span{font-weight:800;font-size:18px;color:#fff}
.footer-grid .flogo b{color:var(--accent)}
.footer-grid p, .footer-grid a{color:#8b93a1;font-size:14.5px}
.footer-grid h4{color:#fff;font-size:15px;text-transform:uppercase;letter-spacing:1px;margin-bottom:16px}
.footer-grid ul{list-style:none}
.footer-grid ul li{margin-bottom:9px}
.footer-grid ul a:hover{color:var(--accent)}
.footer-grid .phone{color:#fff;font-weight:700;font-size:17px}
.footer-bottom{border-top:1px solid #ffffff14;padding:18px 0;color:#6b7280;font-size:13.5px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

/* ===== Адаптив ===== */
@media(max-width:960px){
  .cards,.stats{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  nav.main-nav{display:none}
  .burger{display:block}
}
@media(max-width:560px){
  .cards,.stats,.steps,.footer-grid,.form-grid{grid-template-columns:1fr}
  .hero-in{padding:56px 0 60px}
  .logo span{font-size:15px}
  .logo img{width:44px;height:44px}
  /* таблица -> карточки */
  table.parts,table.parts tbody,table.parts tr,table.parts td{display:block;width:100%}
  table.parts thead{display:none}
  table.parts tr{background:var(--card);border:1px solid var(--line);border-radius:10px;
    margin-bottom:12px;padding:14px 16px}
  table.parts td{border:none;padding:3px 0}
  td.art{font-size:13.5px}
  td.price{margin:6px 0 8px}
  .btn-sm{display:inline-block;margin-top:6px}
}

/* === Дополнение: фильтры каталога и мелочи === */
.tag{cursor:pointer;transition:.15s}
.tag:hover{border-color:var(--accent);color:var(--accent)}
.tag.active{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-sm{display:inline-block;text-decoration:none}
.catalog-count{color:var(--muted);font-size:14px;margin-left:auto}