@font-face{font-family:'Barlow';font-weight:400;font-display:swap;src:url(../fonts/Barlow-400.woff2) format('woff2')}
@font-face{font-family:'Barlow';font-weight:500;font-display:swap;src:url(../fonts/Barlow-500.woff2) format('woff2')}
@font-face{font-family:'Barlow';font-weight:600;font-display:swap;src:url(../fonts/Barlow-600.woff2) format('woff2')}
@font-face{font-family:'Barlow Condensed';font-weight:600;font-display:swap;src:url(../fonts/BarlowCondensed-600.woff2) format('woff2')}
@font-face{font-family:'Barlow Condensed';font-weight:700;font-display:swap;src:url(../fonts/BarlowCondensed-700.woff2) format('woff2')}
/* Cyrillic headings: Barlow has no Cyrillic, so map that range to Oswald */
@font-face{font-family:'Barlow Condensed';font-weight:600 700;font-display:swap;src:url(../fonts/Oswald-cyr-600.woff2) format('woff2');unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}

:root{
  --ink:#14181D; --steel:#1E252D; --steel-2:#2A333D; --mute:#5E6873; --line:#E3E6EA; --bg:#F5F6F8;
  --accent:#F26B1D; --accent-d:#D9570C; --wa:#25D366;
  --cjk:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
  --head:'Barlow Condensed','Arial Narrow',var(--cjk);
  --body:'Barlow',-apple-system,'Segoe UI',Roboto,Arial,var(--cjk);
  --hdr:78px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hdr) + 16px)}
body{margin:0;color:var(--ink);font:17px/1.65 var(--body);background:#fff}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:1240px;margin:0 auto;padding:0 28px}
h1,h2,h3{font-family:var(--head);font-weight:700;line-height:1.04;margin:0;letter-spacing:.005em}
.i{width:18px;height:18px;flex:none}
.eyebrow{font:600 14px/1.2 var(--body);letter-spacing:.16em;text-transform:uppercase;color:var(--accent);display:flex;align-items:center;gap:12px}
.eyebrow:before{content:"";width:28px;height:2px;background:var(--accent);flex:none}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 22px;font:600 16px/1.1 var(--body);text-decoration:none;border-radius:3px;transition:background .2s,color .2s,border-color .2s;cursor:pointer;border:0;white-space:nowrap}
.btn .i{width:16px;height:16px}
.btn-lg{padding:16px 28px}
.btn-sm{padding:9px 14px;font-size:14px;margin-top:6px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d)}
.btn-line{border:1.5px solid rgba(255,255,255,.55);color:#fff}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-ghost{border:1.5px solid #3A4550;color:#fff}
.btn-ghost:hover{border-color:#fff}
.btn-wa{background:var(--wa);color:#fff}
.btn-wa:hover{background:#1EBE5A}
.link{font-weight:600;color:var(--accent);text-decoration:none;display:inline-flex;gap:8px;align-items:center;transition:gap .2s}
.link:hover{gap:12px}
.link .i{width:16px;height:16px}
.link-light{margin-top:24px}

/* top bar */
.topbar{background:var(--ink);color:#AEB6BF;font-size:14px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:20px}
.topbar b{color:#fff;font-weight:600}
.topbar a{text-decoration:none;color:#fff}
.topbar .tc{display:flex;gap:22px;align-items:center}
.topbar .tc a{display:inline-flex;align-items:center;gap:7px}
.topbar .i{width:15px;height:15px;color:var(--accent)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 0 var(--line)}
.site-header .wrap{display:flex;align-items:center;height:var(--hdr);gap:28px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;flex:none;color:var(--ink)}
.logo svg{width:44px;height:44px;flex:none}
.logo .name{font:700 25px/1 'Barlow Condensed',var(--cjk);letter-spacing:.04em}
.logo .name small{display:block;font:600 11px/1.5 var(--body);letter-spacing:.24em;color:var(--mute)}
.logo.on-dark{color:#fff}
.logo.on-dark .name small{color:#8E99A5}
.logo.badge{flex-direction:column;align-items:stretch;gap:0;border:2.5px solid var(--ink)}
.logo.badge .b1{background:var(--ink);color:#fff;font:700 25px/1 'Barlow Condensed',sans-serif;letter-spacing:.07em;padding:6px 12px 4px;text-align:center}
.logo.badge .b2{background:var(--accent);color:#fff;font:600 8.5px/1 var(--body);letter-spacing:.3em;padding:4px 10px;text-align:center;white-space:nowrap}
.logo.badge.on-dark{border-color:#fff}
.logo.badge.on-dark .b1{background:#fff;color:var(--ink)}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav > a,.has-sub > a{display:flex;align-items:center;gap:4px;text-decoration:none;font-weight:600;font-size:16px;padding:10px 12px;white-space:nowrap;border-radius:3px}
.main-nav a[aria-current="page"]{color:var(--accent)}
.main-nav > a:hover,.has-sub > a:hover{color:var(--accent)}
.chev{width:15px;height:15px;transition:transform .2s}
.has-sub{position:relative}
.has-sub .sub{position:absolute;left:-8px;top:100%;min-width:300px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent);box-shadow:0 18px 40px rgba(17,22,27,.12);padding:8px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .18s,transform .18s,visibility .18s}
.has-sub:hover .sub,.has-sub:focus-within .sub{opacity:1;visibility:visible;transform:none}
.has-sub:hover .chev{transform:rotate(180deg)}
.sub a{display:block;padding:12px 14px;text-decoration:none;font-weight:600}
.sub a small{display:block;font-weight:500;font-size:13px;color:var(--mute);margin-top:2px}
.sub a:hover{background:var(--bg);color:var(--accent)}
.sub a.all{display:flex;align-items:center;gap:8px;color:var(--accent);border-top:1px solid var(--line);margin-top:4px}
.sub a.all .i{width:15px;height:15px}
.m-only{display:none !important}
.hdr-right{display:flex;align-items:center;gap:12px}
.lang{position:relative}
.lang summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:6px;font-weight:600;font-size:15px;padding:8px 10px;border:1px solid var(--line);border-radius:3px;white-space:nowrap}
.lang summary::-webkit-details-marker{display:none}
.lang summary .i{width:16px;height:16px}
.lang ul{position:absolute;right:0;top:calc(100% + 6px);list-style:none;margin:0;padding:6px 0;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px rgba(17,22,27,.12);min-width:150px;z-index:60}
.lang li a{display:block;padding:8px 16px;text-decoration:none;font-size:15px}
.lang li a:hover{background:var(--bg);color:var(--accent)}
.lang li a[aria-current]{color:var(--accent);font-weight:600}
.burger{display:none;background:none;border:1px solid var(--line);border-radius:3px;width:44px;height:42px;align-items:center;justify-content:center;cursor:pointer;color:var(--ink)}
.burger .i{width:22px;height:22px}
.burger .shut{display:none}

/* home hero */
.hero{position:relative;min-height:690px;display:flex;align-items:center;color:#fff;background:#11161B center/cover no-repeat}
.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,16,20,.92) 0%,rgba(12,16,20,.72) 45%,rgba(12,16,20,.15) 100%)}
.hero .wrap{position:relative;width:100%;padding-top:40px;padding-bottom:120px}
.hero h1{font-size:clamp(46px,6.6vw,92px);text-transform:uppercase;margin:22px 0 22px;max-width:860px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p.lead{font-size:20px;line-height:1.55;color:#D5DAE0;max-width:620px;margin:0 0 34px}
.ctas{display:flex;gap:14px;flex-wrap:wrap}
.ticks{list-style:none;padding:0;margin:36px 0 0;display:flex;gap:28px;flex-wrap:wrap;font-weight:500;color:#E6E9ED}
.ticks li{display:flex;align-items:center;gap:9px}
.ticks li:before{content:"";flex:none;width:18px;height:18px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat}

/* stats */
.stats{position:relative;z-index:2;margin-top:-72px}
.stats .grid{display:grid;grid-template-columns:repeat(5,1fr);background:#fff;box-shadow:0 18px 50px rgba(17,22,27,.14);border-top:4px solid var(--accent)}
.stat{padding:30px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat .n{font:700 46px/1 'Barlow Condensed',sans-serif}
.stat .n span{font-size:24px;margin-left:3px;color:var(--mute)}
.stat .l{font-size:15px;color:var(--mute);margin-top:8px;line-height:1.35}

/* page hero (inner pages) */
.page-hero{position:relative;color:#fff;background:#11161B center/cover no-repeat;padding:96px 0 84px}
.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,16,20,.94) 0%,rgba(12,16,20,.78) 55%,rgba(12,16,20,.45) 100%)}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(44px,6vw,80px);text-transform:uppercase;margin:18px 0 16px}
.page-hero p{font-size:20px;color:#D5DAE0;max-width:680px;margin:0}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:14px;color:#AEB6BF}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:#fff}
.crumbs span[aria-current]{color:var(--accent)}

/* sections */
section{padding:110px 0}
.bg-soft{background:var(--bg)}
.dark{background:var(--steel);color:#fff}
.head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:52px}
.head h2{font-size:clamp(38px,4.4vw,58px);text-transform:uppercase;margin-top:16px}
.head p{max-width:480px;color:var(--mute);margin:0}
.dark .head p{color:#A9B2BC}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tiles-2{grid-template-columns:1fr 1fr}
.tile{position:relative;min-height:470px;overflow:hidden;color:#fff;display:flex;align-items:flex-end;text-decoration:none;background:var(--steel)}
.tile-sm{min-height:320px}
.tile .bg{position:absolute;inset:0;background-size:cover;background-position:center;transition:transform .6s cubic-bezier(.2,.7,.2,1)}
.tile:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,16,20,0) 20%,rgba(12,16,20,.7) 55%,rgba(12,16,20,.95) 100%)}
.tile:hover .bg{transform:scale(1.05)}
.tile .body{position:relative;z-index:1;padding:30px}
.tile .spec,.svc .spec{font:700 15px/1.2 var(--body);letter-spacing:.12em;color:var(--accent);text-transform:uppercase}
.tile h3{font-size:36px;text-transform:uppercase;margin:12px 0 10px}
.tile p{margin:0 0 16px;color:#C9CFD6;font-size:16px;line-height:1.5}
.more{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:#fff;font-size:15px;transition:gap .2s}
.more .i{width:16px;height:16px;color:var(--accent)}
.tile:hover .more,.svc:hover .more,.promo:hover .more{gap:12px}

/* why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.why > div{background:#fff;padding:38px 34px;transition:background .25s}
.why > div:hover{background:#FFF8F3}
.why .ic,.feature-3 .ic{width:54px;height:54px;background:var(--ink);color:#fff;display:grid;place-items:center;margin-bottom:24px;transition:background .25s}
.why > div:hover .ic{background:var(--accent)}
.why .ic .i,.feature-3 .ic .i{width:26px;height:26px}
.why h3{font-size:27px;text-transform:uppercase;margin-bottom:12px}
.why p{margin:0;color:var(--mute);font-size:16px}
.why .k{font:700 15px/1 var(--body);color:var(--accent);letter-spacing:.06em;margin-bottom:10px;display:block}

/* split */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:center}
.split .photo{position:relative}
.split .photo img{width:100%;aspect-ratio:4/3.3;object-fit:cover}
.badge-iso{position:absolute;right:-24px;bottom:-24px;background:var(--accent);color:#fff;padding:24px 28px;font:700 20px/1.1 'Barlow Condensed',sans-serif;text-transform:uppercase}
.badge-iso b{display:block;font-size:50px}
.split h2,.spec-split h2,.two-lists h2{font-size:clamp(36px,4.2vw,52px);text-transform:uppercase;margin:16px 0 18px}
.split > div > p,.spec-split > div > p{color:var(--mute);margin:0 0 22px}
.partlist{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;list-style:none;margin:0 0 34px;padding:0}
.partlist li{padding:14px 0 14px 30px;border-bottom:1px solid #D9DDE2;font-weight:600;position:relative}
.partlist li:before{content:"";position:absolute;left:0;top:23px;width:14px;height:2px;background:var(--accent)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);padding:32px 26px;position:relative}
.step:before{counter-increment:s;content:"0" counter(s);font:700 54px/1 'Barlow Condensed',sans-serif;color:#E8EBEE;position:absolute;right:20px;top:18px}
.step .ic{width:46px;height:46px;background:rgba(242,107,29,.1);display:grid;place-items:center;color:var(--accent);margin-bottom:22px}
.step .ic .i{width:24px;height:24px}
.step h3{font-size:24px;text-transform:uppercase;margin:0 0 10px}
.step p{margin:0;color:var(--mute);font-size:15.5px;line-height:1.5}
.dark-steps .step{background:var(--steel-2);border-color:#36414C}
.dark-steps .step:before{color:#36414C}
.dark-steps .step p{color:#A9B2BC}

/* promo */
.promo-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.promo{position:relative;min-height:340px;display:flex;align-items:flex-end;color:#fff;text-decoration:none;background:var(--steel) center/cover;overflow:hidden}
.promo:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,16,20,.92),rgba(12,16,20,.55))}
.promo > div{position:relative;padding:40px;max-width:480px}
.promo h3{font-size:40px;text-transform:uppercase;margin:14px 0 10px}
.promo p{color:#C9CFD6;margin:0 0 18px}

/* CTA band */
.cta-band{background:var(--accent);color:#fff;padding:64px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:40px}
.cta-band h2{font-size:clamp(34px,4vw,50px);text-transform:uppercase}
.cta-band p{margin:8px 0 0;font-size:19px;color:#FFE6D6}
.cta-band .btn{background:var(--ink);color:#fff}
.cta-band .btn:hover{background:#000}

/* services list (capabilities page) */
.svc-list{display:grid;gap:24px}
.svc{display:grid;grid-template-columns:1fr 1.1fr;min-height:340px;text-decoration:none;border:1px solid var(--line);background:#fff;transition:box-shadow .25s,border-color .25s}
.svc:hover{box-shadow:0 18px 46px rgba(17,22,27,.1);border-color:#D3D8DE}
.svc .img{background:center/cover}
.svc .txt{padding:40px 44px}
.svc h3{font-size:40px;text-transform:uppercase;margin:12px 0 12px}
.svc p{color:var(--mute);margin:0 0 16px}
.svc ul{list-style:none;padding:0;margin:0 0 22px;display:grid;grid-template-columns:1fr 1fr;gap:6px 20px}
.svc li{padding-left:22px;position:relative;font-weight:500;font-size:15.5px}
.svc li:before{content:"";position:absolute;left:0;top:11px;width:12px;height:2px;background:var(--accent)}
.svc .more{color:var(--accent)}

/* spec tables */
.spec-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:72px;align-items:start}
table.spec{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);font-size:16px}
table.spec th{background:var(--accent);color:#fff;text-align:left;padding:15px 22px;font:600 13px/1.2 var(--body);letter-spacing:.1em;text-transform:uppercase}
table.spec td{padding:15px 22px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec td:first-child{font-weight:600;width:42%}
table.spec tr:last-child td{border-bottom:0}
.mx{overflow-x:auto;border:1px solid var(--line)}
.mx table{width:100%;border-collapse:collapse;min-width:900px;font-size:15.5px}
.mx th,.mx td{text-align:left;vertical-align:top;padding:18px 22px;border-bottom:1px solid var(--line)}
.mx th{font:600 13px/1.3 var(--body);letter-spacing:.1em;text-transform:uppercase;color:#fff;background:var(--ink)}
.mx td:first-child{font:700 21px/1.15 var(--head);text-transform:uppercase;width:19%}
.mx td.num{font-weight:600;white-space:nowrap}
.mx tr:last-child td{border-bottom:0}
.tablewrap{overflow-x:auto}
.tablewrap table{width:100%;border-collapse:collapse;font-size:15px;min-width:820px}
.tablewrap th,.tablewrap td{text-align:left;padding:14px 16px;border-bottom:1px solid #36414C}
.tablewrap th{font:600 13px/1.3 var(--body);letter-spacing:.1em;text-transform:uppercase;color:#8E99A5}
.tablewrap td{color:#DCE1E6}
.tablewrap td:first-child{color:#fff;font-weight:600}
.note-light{color:#A9B2BC;margin:20px 0 0;font-size:15px}

/* materials */
.mats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mats > div{background:#fff;border:1px solid var(--line);border-top:3px solid var(--ink);padding:28px 24px}
.mats h3{font-size:24px;text-transform:uppercase;margin-bottom:8px}
.mats .grades{font-weight:600;color:var(--accent);margin:0 0 10px;font-size:15px}
.mats p{margin:0;color:var(--mute);font-size:15.5px}

/* service hero */
.svc-hero{background:var(--ink);color:#fff;padding:0}
.svc-hero .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:72px}
.svc-hero h1{font-size:clamp(44px,5.4vw,74px);text-transform:uppercase;margin:18px 0 18px}
.svc-hero .lead{color:#C9CFD6;font-size:19px;margin:0 0 6px}
.svc-hero .ticks{margin:24px 0 32px;flex-direction:column;gap:12px}
.svc-hero .img{min-height:460px;background:center/cover;box-shadow:24px 24px 0 var(--accent)}
.two-lists{display:grid;grid-template-columns:1fr 1fr;gap:72px}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:0}
.checklist li{padding:14px 0 14px 34px;border-bottom:1px solid #D9DDE2;position:relative;font-weight:500}
.checklist li:before{content:"";position:absolute;left:0;top:17px;width:20px;height:20px;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7.5'/%3E%3C/svg%3E") center/12px no-repeat}
.dark .link{color:var(--accent)}

/* fleet */
.fleet{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:#3A4550;border:1px solid #3A4550}
.fleet>div{background:var(--steel);padding:28px 24px;color:#fff}
.fleet .q{font:700 54px/1 'Barlow Condensed',sans-serif;color:var(--accent)}
.fleet .t{font:700 21px/1.15 var(--head);text-transform:uppercase;margin:12px 0 8px;letter-spacing:.02em}
.fleet .d{font-size:15px;color:#A9B2BC;line-height:1.45}
.fleet.light{background:var(--line);border-color:var(--line)}
.fleet.light>div{background:#fff;color:var(--ink)}
.fleet.light .d{color:var(--mute)}
.feature-3{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.feature-3.two{grid-template-columns:1fr 1fr;gap:56px}
.feature-3 h3{font-size:28px;text-transform:uppercase;margin-bottom:10px}
.feature-3 p{margin:0;color:var(--mute)}

/* quality */
.cert{border:1px solid #39434E;padding:26px;display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center}
.cert-light{border-color:var(--line);background:#fff;box-shadow:0 18px 46px rgba(17,22,27,.08);padding:34px}
.seal{width:104px;height:104px;border-radius:50%;border:3px solid var(--accent);display:grid;place-items:center;text-align:center;font:700 24px/1 'Barlow Condensed',sans-serif}
.seal small{display:block;font:600 11px/1.2 var(--body);color:var(--mute);margin-top:4px;letter-spacing:.06em}
.cert dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 20px;font-size:15.5px}
.cert dt{color:var(--mute)}
.cert dd{margin:0;font-weight:600}

/* industries */
.inds-detail{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.ind-card{border:1px solid var(--line);padding:40px;position:relative;background:#fff}
.ind-card .num{font:700 64px/1 'Barlow Condensed',sans-serif;color:#E8EBEE;position:absolute;right:28px;top:22px}
.ind-card h3{font-size:36px;text-transform:uppercase;margin-bottom:12px}
.ind-card > p{color:var(--mute);margin:0 0 16px;max-width:460px}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid #3A4550}
.timeline li{padding:28px 28px 30px 0;border-bottom:1px solid #3A4550;position:relative}
.timeline li:before{content:"";position:absolute;top:-6px;left:0;width:11px;height:11px;background:var(--accent);border-radius:50%}
.timeline .yr{display:block;font:700 44px/1 'Barlow Condensed',sans-serif;color:var(--accent);margin-bottom:10px}
.timeline p{margin:0;color:#C9CFD6;font-size:16px;max-width:340px}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:56px;align-items:start}
.rfq{background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent);padding:44px;display:grid;gap:18px;box-shadow:0 18px 46px rgba(17,22,27,.06)}
.rfq h2{font-size:38px;text-transform:uppercase;margin-bottom:6px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{font-size:14px;font-weight:600}
input,textarea{width:100%;margin-top:6px;padding:13px 14px;border:1px solid #D3D8DE;border-radius:3px;font:inherit;font-size:16px;background:#FAFBFC}
input:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:-1px;background:#fff}
textarea{min-height:140px;resize:vertical}
.filenote{display:flex;gap:12px;align-items:flex-start;background:#FFF5EE;border:1px dashed #F5B48C;padding:14px 16px;font-size:14.5px;color:#7A3E14}
.filenote .i{color:var(--accent);margin-top:2px}
.file-drop{display:flex;gap:14px;align-items:center;border:1.5px dashed #F5B48C;background:#FFF8F3;padding:18px;cursor:pointer;position:relative;font-weight:400}
.file-drop .i{width:26px;height:26px;color:var(--accent)}
.file-drop b{display:block;font-size:15px;color:var(--ink)}
.file-drop small{display:block;color:var(--mute);font-size:13px;margin-top:2px}
.file-drop input{position:absolute;inset:0;opacity:0;cursor:pointer;margin:0}
.file-drop:hover{border-color:var(--accent)}
.file-list{list-style:none;margin:-6px 0 0;padding:0;font-size:14px;color:var(--mute)}
.file-list li:before{content:"📎 "}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.form-msg{padding:16px 18px;border-radius:3px}
.form-msg.ok{background:#ECFDF3;border:1px solid #A6F4C5;color:#05603A}
.form-msg.err{background:#FEF3F2;border:1px solid #FECDCA;color:#912018}
.form-msg p{margin:4px 0 0}
.form-msg a{font-weight:600;color:inherit}
button[disabled]{opacity:.7;cursor:wait}
.rfq .note{font-size:13.5px;color:var(--mute);margin:0}
.contact-side h3{font-size:30px;text-transform:uppercase;margin-bottom:22px}
.contact{list-style:none;padding:0;margin:0 0 26px;display:grid;gap:18px}
.contact li{display:flex;gap:16px;align-items:center}
.contact .ic{width:46px;height:46px;border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);flex:none}
.contact .ic .i{width:20px;height:20px}
.contact small{display:block;color:var(--mute);font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.contact a{text-decoration:none;font-weight:600}
.contact a:hover{color:var(--accent)}
.nda{display:flex;gap:14px;background:var(--bg);padding:22px;margin-top:26px}
.nda > .i{width:28px;height:28px;color:var(--accent)}
.nda p{margin:4px 0 0;color:var(--mute);font-size:15px}

/* faq */
.faq{display:grid;grid-template-columns:.8fr 1.2fr;gap:72px}
.faq h2{font-size:clamp(38px,4.2vw,54px);text-transform:uppercase;margin-top:16px}
.faq details{border-bottom:1px solid #D9DDE2}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:24px 0;font-weight:600;font-size:19px}
.faq summary::-webkit-details-marker{display:none}
.plus{transition:transform .2s;line-height:1;display:inline-block;color:var(--accent);font-size:26px}
.faq details[open] .plus{transform:rotate(45deg)}
.faq details p{margin:0 0 24px;color:var(--mute)}

/* footer */
.site-footer{background:#0E1216;color:#8E99A5;font-size:15px;padding:64px 0 30px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid #222A32}
.site-footer .logo{display:inline-flex}
.site-footer .about{margin:20px 0 0;max-width:320px}
.site-footer h4{color:#fff;font:700 18px/1 var(--head);text-transform:uppercase;letter-spacing:.06em;margin:0 0 18px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:#fff}
.site-footer .btn{color:#fff;justify-self:start}
.site-footer .bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:26px;font-size:14px}

/* floating WhatsApp */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:40;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px rgba(0,0,0,.25);transition:transform .2s}
.wa-float:hover{transform:scale(1.07)}
.wa-float .i{width:30px;height:30px}

/* language tweaks */
:lang(zh) h1,:lang(zh) h2,:lang(zh) h3{letter-spacing:.02em;line-height:1.18}
:lang(zh) .hero h1{font-size:clamp(40px,5.6vw,76px)}
:lang(zh) .eyebrow{letter-spacing:.2em}
:lang(ru) .hero h1{font-size:clamp(38px,5.4vw,74px)}
:lang(ru) .head h2,:lang(ru) .split h2,:lang(ru) .faq h2,:lang(ru) .spec-split h2,:lang(ru) .two-lists h2{font-size:clamp(30px,3.4vw,46px)}
:lang(ru) .page-hero h1,:lang(ru) .svc-hero h1{font-size:clamp(36px,4.6vw,62px)}
:lang(ru) .main-nav > a,:lang(ru) .has-sub > a,:lang(es) .main-nav > a,:lang(es) .has-sub > a,:lang(pt) .main-nav > a,:lang(pt) .has-sub > a{font-size:15px;padding:10px 8px}

/* responsive */
@media (max-width:1240px){
  .main-nav{position:fixed;inset:calc(var(--hdr) + 40px) 0 auto 0;max-height:calc(100vh - var(--hdr) - 40px);overflow:auto;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);box-shadow:0 30px 50px rgba(17,22,27,.15);padding:10px 28px 24px;margin:0;display:none}
  .nav-open .main-nav{display:flex}
  .main-nav > a,.has-sub > a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px !important}
  .has-sub .sub{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 14px;min-width:0}
  .sub a small{display:none}
  .chev{display:none}
  .m-only{display:flex !important}
  .burger{display:flex}
  .nav-open .burger .open{display:none}
  .nav-open .burger .shut{display:block}
  .hdr-right{margin-left:auto}
}
@media (max-width:1080px){
  .stats .grid{grid-template-columns:repeat(3,1fr)}
  .stat:nth-child(3){border-right:0}
  .stat:nth-child(n+4){border-top:1px solid var(--line)}
  .tiles,.fleet,.why{grid-template-columns:1fr 1fr}
  .fleet>div:last-child{grid-column:1/-1}
  .steps,.mats{grid-template-columns:1fr 1fr}
  .split,.spec-split,.two-lists,.faq,.contact-grid,.svc-hero .wrap{grid-template-columns:1fr;gap:48px}
  .svc{grid-template-columns:1fr}
  .svc .img{min-height:260px}
  .feature-3{grid-template-columns:1fr 1fr}
  .timeline{grid-template-columns:1fr 1fr}
  .site-footer .cols{grid-template-columns:1fr 1fr}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
}
@media (max-width:640px){
  :root{--hdr:66px}
  body{font-size:16px}
  .wrap{padding:0 20px}
  .topbar .hide-m{display:none}
  .site-header .wrap{gap:10px}
  .hdr-cta{display:none}
  .logo.badge .b1{font-size:20px;padding:5px 9px 3px}
  .logo.badge .b2{font-size:7px;letter-spacing:.22em}
  .lang summary .lname{display:none}
  .lang summary{padding:9px}
  .main-nav{inset:calc(var(--hdr) + 40px) 0 auto 0;padding:6px 20px 20px}
  .hero{min-height:620px;background-position:65% center}
  .hero:before,.page-hero:before{background:linear-gradient(180deg,rgba(12,16,20,.65),rgba(12,16,20,.9))}
  .hero p.lead,.page-hero p{font-size:18px}
  .page-hero{padding:64px 0 56px}
  .ticks{gap:12px;flex-direction:column}
  .stats .grid{grid-template-columns:1fr 1fr}
  .stat{padding:22px 20px;border-top:1px solid var(--line)}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-child(even){border-right:0}
  .stat:first-child{grid-column:1/-1;border-right:0;border-top:0}
  .stat .n{font-size:38px}
  section{padding:72px 0}
  .head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px}
  .tiles,.tiles-2,.steps,.partlist,.row2,.why,.mats,.feature-3,.feature-3.two,.inds-detail,.promo-grid{grid-template-columns:1fr}
  .why > div{padding:30px 24px}
  .timeline{grid-template-columns:1fr}
  .timeline li{padding:24px 0 24px}
  .fleet>div{padding:22px 18px}
  .tile{min-height:380px}
  .badge-iso{right:12px;bottom:-20px}
  .svc .txt{padding:28px 22px}
  .svc ul{grid-template-columns:1fr}
  .svc-hero .wrap{padding-top:48px;padding-bottom:56px}
  .svc-hero .img{min-height:260px;box-shadow:12px 12px 0 var(--accent)}
  .promo > div{padding:28px 22px}
  .ind-card{padding:30px 22px}
  .cert,.cert-light{grid-template-columns:1fr;padding:24px}
  .rfq{padding:28px 20px}
  .site-footer .cols{grid-template-columns:1fr}
  .wa-float{right:16px;bottom:16px;width:54px;height:54px}
  .btn-lg{padding:15px 22px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}