:root{
  --steel-950:#0D141A;--steel-900:#131C24;--steel-800:#1C2831;--steel-700:#27363F;
  --steel-600:#3A4A55;--steel-300:#9FB0BA;--steel-100:#ECEFF1;--steel-50:#F6F8F9;
  --orange:#FF7A00;--orange-d:#E56E00;--wa:#25D366;
  --text:#1C2831;--muted:#5A6B76;--line:#D9E0E4;
  --ff:"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--ff);color:var(--text);background:#fff;line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:72px 0}
.section.tight{padding:48px 0}
.section.dark{background:var(--steel-900);color:#DDE6EC}
.section.dark h2{color:#fff}
.section.gray{background:var(--steel-50)}
.kicker{display:inline-block;color:var(--orange);font-weight:700;font-size:13px;letter-spacing:.18em;text-transform:uppercase;margin-bottom:10px}
h1,h2,h3{line-height:1.2}
h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
h3{font-size:19px;font-weight:700}
.lead{color:var(--muted);font-size:17.5px;max-width:760px}
.section.dark .lead{color:var(--steel-300)}
.sub{color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;padding:13px 26px;border-radius:4px;font-weight:700;font-size:15px;letter-spacing:.02em;transition:.18s;border:2px solid transparent;cursor:pointer}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-d);transform:translateY(-1px)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-dark{background:var(--steel-900);color:#fff}
.btn-dark:hover{background:var(--steel-700)}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{filter:brightness(.93)}
.btn svg{flex:none}

/* ---------- header ---------- */
header.site{position:sticky;top:0;z-index:100;background:var(--steel-950);border-bottom:1px solid rgba(255,255,255,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:11px;color:#fff}
.logo-badge{width:40px;height:40px;background:var(--orange);border-radius:4px;display:grid;place-items:center;font-weight:800;font-size:19px;color:#fff;letter-spacing:-.5px}
.logo-name{font-size:20px;font-weight:800;letter-spacing:.06em}
.logo-name span{color:var(--orange)}
.logo-tag{display:block;font-size:10px;font-weight:600;letter-spacing:.22em;color:var(--steel-300);text-transform:uppercase}
.logo-img{width:44px;height:44px;flex:none}
.footer-logo{height:88px;width:auto;display:block}
footer.site .co-name{color:#fff;font-weight:700;font-size:15.5px;letter-spacing:.03em;margin-top:16px}
nav.main{display:flex;align-items:center;gap:4px}
nav.main>div,nav.main>a{position:relative}
nav.main .nl{display:block;padding:24px 14px;color:#C9D4DC;font-weight:600;font-size:14.5px;letter-spacing:.02em}
nav.main .nl:hover,nav.main .nl.on{color:var(--orange)}
.dropdown{position:absolute;top:100%;left:0;background:#fff;min-width:270px;border-radius:0 0 6px 6px;box-shadow:0 14px 34px rgba(10,20,26,.18);opacity:0;visibility:hidden;transform:translateY(6px);transition:.16s;padding:8px 0}
nav.main>div:hover .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{display:block;padding:11px 20px;color:var(--text);font-size:14.5px;font-weight:500}
.dropdown a:hover{background:var(--steel-100);color:var(--orange-d)}
.dropdown small{display:block;color:var(--muted);font-weight:400;font-size:12px}
.nav-cta{margin-left:10px}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;width:24px;height:2.5px;background:#fff;margin:5px auto;transition:.2s}
.m-menu{display:none;background:var(--steel-900);border-top:1px solid rgba(255,255,255,.08)}
.m-menu.open{display:block}
.m-menu a{display:block;padding:15px 24px;color:#DDE6EC;font-weight:600;border-bottom:1px solid rgba(255,255,255,.06)}
.m-menu a:hover{color:var(--orange)}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--steel-950);color:#fff;overflow:hidden}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.42}
.hero .veil{position:absolute;inset:0;background:rgba(13,20,26,.55)}
.hero .inner{position:relative;padding:104px 0 120px;max-width:720px}
.hero h1{font-size:clamp(32px,5vw,54px);font-weight:800;letter-spacing:-.015em;line-height:1.08}
.hero h1 em{font-style:normal;color:var(--orange)}
.hero p{margin:20px 0 30px;font-size:18.5px;color:#C9D4DC;max-width:600px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.crumb{font-size:13px;color:var(--steel-300);margin-bottom:16px;letter-spacing:.04em}
.crumb a{color:var(--steel-300)}
.crumb a:hover{color:var(--orange)}

/* ---------- stats bar ---------- */
.stats{background:var(--orange);color:#fff}
.stats .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding-top:26px;padding-bottom:26px}
.stat b{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.01em}
.stat span{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;opacity:.92}

/* ---------- cards ---------- */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 36px rgba(16,26,32,.12)}
.card .im{aspect-ratio:3/2;overflow:hidden;background:var(--steel-100)}
.card .im img{width:100%;height:100%;object-fit:cover;transition:.35s}
.card:hover .im img{transform:scale(1.04)}
.card .bd{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card .bd p{color:var(--muted);font-size:14.5px}
.spec-chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:var(--steel-100);color:var(--steel-700);font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:3px}
.chip b{color:var(--orange-d)}
.card .more{margin-top:auto;padding-top:8px;color:var(--orange-d);font-weight:700;font-size:14px;letter-spacing:.03em}
.dark .card{background:var(--steel-800);border-color:rgba(255,255,255,.09)}
.dark .card .bd p{color:var(--steel-300)}
.dark .chip{background:rgba(255,255,255,.08);color:#C9D4DC}

/* ---------- feature tiles ---------- */
.tile{background:var(--steel-800);border:1px solid rgba(255,255,255,.08);border-radius:8px;padding:26px 22px}
.tile .ic{width:46px;height:46px;border-radius:6px;background:rgba(255,122,0,.14);display:grid;place-items:center;margin-bottom:16px}
.tile h3{color:#fff;font-size:16.5px;margin-bottom:8px}
.tile p{color:var(--steel-300);font-size:14px}
.section.light .tile{background:#fff;border-color:var(--line)}
.section.light .tile h3{color:var(--text)}
.section.light .tile p{color:var(--muted)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:st}
.step{padding:30px 26px;border-left:1px solid rgba(255,255,255,.1);position:relative}
.step:first-child{border-left:0}
.step::before{counter-increment:st;content:"0" counter(st);display:block;font-size:44px;font-weight:800;color:rgba(255,122,0,.35);line-height:1;margin-bottom:14px}
.step h3{color:#fff;font-size:17px;margin-bottom:8px}
.step p{color:var(--steel-300);font-size:14px}

/* ---------- tables ---------- */
.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.spec th,.spec td{padding:12px 18px;border-bottom:1px solid var(--line);text-align:left;font-size:14.5px;vertical-align:top}
.spec th{background:var(--steel-900);color:#fff;font-weight:700;letter-spacing:.04em;font-size:13px;text-transform:uppercase}
.spec td:first-child{width:38%;color:var(--muted);font-weight:600}
.spec tr:last-child td{border-bottom:0}
.spec .grp td{background:var(--steel-100);color:var(--steel-900);font-weight:700;font-size:13px;letter-spacing:.06em;text-transform:uppercase}

/* ---------- detail page ---------- */
.detail-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center}
.kv{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.kv .k{background:var(--steel-50);border:1px solid var(--line);border-left:3px solid var(--orange);border-radius:6px;padding:14px 16px}
.kv .k b{display:block;font-size:20px;font-weight:800;color:var(--steel-900)}
.kv .k span{font-size:12.5px;color:var(--muted);font-weight:600;letter-spacing:.05em;text-transform:uppercase}
.feat-list{margin:18px 0}
.feat-list li{padding:9px 0 9px 30px;position:relative;color:var(--text);font-size:15px;border-bottom:1px dashed var(--line)}
.feat-list li::before{content:"";position:absolute;left:2px;top:15px;width:16px;height:16px;background:var(--orange);clip-path:polygon(0 0,100% 50%,0 100%)}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.gallery img{border-radius:6px;width:100%;aspect-ratio:3/2;object-fit:cover}

/* ---------- faq ---------- */
.faq details{background:#fff;border:1px solid var(--line);border-radius:8px;margin-bottom:14px;overflow:hidden}
.faq summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--orange);font-weight:400;flex:none}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 22px 20px;color:var(--muted);font-size:15px}
.faq .a table{margin:12px 0;border-collapse:collapse;width:100%;max-width:560px}
.faq .a td,.faq .a th{border:1px solid var(--line);padding:8px 12px;font-size:14px;text-align:left}
.faq .a th{background:var(--steel-50)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:44px;align-items:start}
.cbox{background:var(--steel-800);border-radius:8px;padding:30px;color:#DDE6EC}
.cbox h3{color:#fff;margin-bottom:18px}
.cbox .row{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.09);align-items:flex-start}
.cbox .row:last-child{border:0}
.cbox .row .ic{width:38px;height:38px;flex:none;border-radius:5px;background:rgba(255,122,0,.15);display:grid;place-items:center}
.cbox .row b{display:block;color:#fff;font-size:14px;letter-spacing:.03em}
.cbox .row span{font-size:15px;color:#C9D4DC;word-break:break-all}
form.inq{background:#fff;border:1px solid var(--line);border-radius:8px;padding:34px}
form.inq .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
form.inq label{display:block;font-size:13px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--steel-700);margin:16px 0 7px}
form.inq input,form.inq select,form.inq textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:5px;font:inherit;font-size:15px;background:var(--steel-50)}
form.inq input:focus,form.inq select:focus,form.inq textarea:focus{outline:none;border-color:var(--orange);background:#fff}
form.inq .btn{margin-top:22px;width:100%;justify-content:center}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center}

/* ---------- CTA band ---------- */
.cta-band{background:var(--steel-900);color:#fff;text-align:center;padding:76px 0;position:relative;overflow:hidden}
.cta-band .bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.cta-band .inner{position:relative}
.cta-band h2{font-size:clamp(26px,3.6vw,40px)}
.cta-band p{color:var(--steel-300);max-width:640px;margin:14px auto 30px}

/* ---------- footer ---------- */
footer.site{background:var(--steel-950);color:#8FA0AB;font-size:14px}
footer.site .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:58px 0 44px}
footer.site h4{color:#fff;font-size:13.5px;letter-spacing:.14em;text-transform:uppercase;margin-bottom:16px}
footer.site a:hover{color:var(--orange)}
footer.site li{padding:5px 0}
footer.site .brand p{margin-top:14px;line-height:1.7}
footer.site .bot{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}

/* ---------- floating whatsapp ---------- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:200;width:60px;height:60px;border-radius:50%;background:var(--wa);display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.28);transition:.18s}
.wa-float:hover{transform:scale(1.08)}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .g3,.g4,.steps{grid-template-columns:1fr 1fr}
  .detail-hero,.contact-grid{grid-template-columns:1fr}
  footer.site .top{grid-template-columns:1fr 1fr}
  nav.main{display:none}
  .burger{display:block}
  .stats .wrap{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .g2,.g3,.g4,.steps,.gallery{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .section{padding:52px 0}
  .hero .inner{padding:70px 0 84px}
  .kv{grid-template-columns:1fr}
  footer.site .top{grid-template-columns:1fr}
  form.inq .two{grid-template-columns:1fr}
}