/* ============================================================
   DulinkMill — Global Stylesheet
   Theme: Light / white base, ink #101010 primary, orange accent
   ============================================================ */

:root{
  --bg:        #FFFFFF;
  --bg-2:      #F5F6F8;
  --surface:   #FFFFFF;
  --card:      #FFFFFF;
  --card-2:    #F5F6F8;
  --border:    rgba(16,16,16,.09);
  --border-2:  rgba(16,16,16,.18);
  --text:      #101010;
  --muted:     #5B6472;
  --muted-2:   #8A93A3;
  --ink:       #101010;
  --orange:    #FF7A18;
  --orange-2:  #E56A0D;
  --orange-dim:rgba(255,122,24,.10);
  --ok:        #1F9D55;
  --radius:    10px;
  --radius-lg: 16px;
  --font:      "Inter","Segoe UI",Arial,sans-serif;
  --mono:      "JetBrains Mono","Consolas",monospace;
  --maxw:      1480px;
  --header-h:  72px;
  --shadow-sm: 0 1px 3px rgba(16,16,16,.06);
  --shadow-md: 0 8px 24px rgba(16,16,16,.08);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.mono{font-family:var(--mono)}
.container{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- generic ---------- */
.section{padding:92px 0}
.section-alt{background:var(--bg-2)}
.kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--orange);margin-bottom:14px;
}
.kicker::before{content:"";display:inline-block;width:26px;height:2px;background:var(--orange);vertical-align:middle;margin-right:10px}
.h2{font-size:clamp(26px,3.2vw,40px);font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--ink)}
.lead{color:var(--muted);max-width:680px;margin-top:14px;font-size:16px}
.sec-head{margin-bottom:52px}
.sec-head.center{text-align:center}
.sec-head.center .lead{margin-left:auto;margin-right:auto}

.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:8px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.22s;white-space:nowrap;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:#2B2B2B;transform:translateY(-1px)}
.btn-ghost{border-color:var(--border-2);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--ink)}
.btn-accent{background:var(--orange);color:#fff}
.btn-accent:hover{background:var(--orange-2);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

.chip{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--orange-dim);color:var(--orange-2);border:1px solid rgba(255,122,24,.3);
}

/* ISO material badges */
.iso{display:inline-flex;align-items:center;justify-content:center;min-width:26px;height:26px;
  border-radius:6px;font-size:12px;font-weight:800;font-family:var(--mono)}
.iso-p{background:#2E6BE6;color:#fff}
.iso-m{background:#F5B81E;color:#221B00}
.iso-k{background:#E3452F;color:#fff}
.iso-n{background:#3FB96C;color:#06270F}
.iso-s{background:#9B59D0;color:#fff}
.iso-h{background:#C2CAD8;color:#1A2030}

/* ---------- top bar ---------- */
.topbar{
  background:var(--ink);
  font-size:13px;color:#9AA2AF;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;height:38px}
.topbar a{color:#9AA2AF}
.topbar a:hover{color:var(--orange)}
.topbar .tb-right{display:flex;gap:22px}
.topbar .tb-left{display:flex;gap:8px;align-items:center}
.topbar .dot{color:var(--orange)}

/* ---------- header ---------- */
.header{
  position:sticky;top:0;z-index:200;
  background:rgba(255,255,255,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.header .container{display:flex;align-items:center;height:var(--header-h);gap:32px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.02em;color:var(--ink)}
.logo .mark{
  width:34px;height:34px;border-radius:8px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px;
}
.logo em{font-style:normal;color:var(--orange)}
.nav{display:flex;gap:4px;margin-left:auto}
.nav a{
  padding:9px 14px;border-radius:8px;font-size:14.5px;font-weight:500;color:var(--muted);
  transition:.18s;
}
.nav a:hover{color:var(--ink);background:rgba(16,16,16,.05)}
.nav a.active{color:var(--ink);font-weight:700}
.header .btn{margin-left:8px}
.nav-toggle{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:8px}
.nav-toggle svg{width:26px;height:26px}

/* ---------- hero (dark image island) ---------- */
.hero{
  position:relative;min-height:660px;display:flex;align-items:center;overflow:hidden;
  background:var(--ink);
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.55}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(16,16,16,.94) 0%,rgba(16,16,16,.72) 45%,rgba(16,16,16,.3) 100%);
}
.hero .container{position:relative;z-index:1;padding-top:80px;padding-bottom:80px;color:#fff}
.hero h1{font-size:clamp(34px,4.6vw,60px);font-weight:900;line-height:1.08;letter-spacing:-.015em;max-width:680px}
.hero h1 .accent{color:var(--orange)}
.hero p{color:#C9D0DC;max-width:560px;margin-top:20px;font-size:17px}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.hero .btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
.hero-stats{display:flex;gap:48px;margin-top:60px;flex-wrap:wrap}
.hstat .num{font-size:30px;font-weight:800;font-family:var(--mono);color:var(--orange)}
.hstat .lbl{font-size:13px;color:#9AA2AF;margin-top:2px}

/* ---------- category cards ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.cat-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--card);
  border:1px solid var(--border);transition:.25s;display:block;box-shadow:var(--shadow-sm);
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(255,122,24,.45)}
.cat-card .img-wrap{height:240px;overflow:hidden}
.cat-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.cat-card:hover img{transform:scale(1.06)}
.cat-card .body{padding:26px}
.cat-card h3{font-size:19px;font-weight:700;color:var(--ink)}
.cat-card p{color:var(--muted);font-size:14px;margin-top:8px}
.cat-card .more{
  margin-top:16px;font-size:13.5px;font-weight:600;color:var(--orange);
  display:inline-flex;align-items:center;gap:6px;
}
.cat-card .tag{position:absolute;top:16px;left:16px;z-index:2;background:rgba(16,16,16,.75);color:#FFB877;border-color:transparent;backdrop-filter:blur(4px)}

/* ---------- product cards ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.prod-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:.22s;position:relative;display:flex;flex-direction:column;
}
.prod-card:hover{border-color:rgba(16,16,16,.35);transform:translateY(-4px);box-shadow:var(--shadow-md)}
.prod-card .img-wrap{aspect-ratio:1/1;overflow:hidden;position:relative;background:#0E1420}
.prod-card img{width:100%;height:100%;object-fit:cover;transition:.4s}
.prod-card:hover img{transform:scale(1.05)}
.prod-card .img-wrap .hover-cta{
  position:absolute;inset:auto 0 0 0;display:flex;gap:0;opacity:0;transform:translateY(8px);transition:.22s;
}
.prod-card:hover .hover-cta{opacity:1;transform:none}
.hover-cta a{
  flex:1;text-align:center;padding:11px 0;font-size:13px;font-weight:600;
  background:rgba(16,16,16,.92);color:#fff;backdrop-filter:blur(4px);
}
.hover-cta a:first-child{border-right:1px solid rgba(255,255,255,.15)}
.hover-cta a:last-child{color:var(--orange)}
.hover-cta a:hover{background:var(--orange);color:#fff}
.prod-card .body{padding:16px 18px 18px}
.prod-card .code{font-family:var(--mono);font-size:13px;color:var(--orange-2);font-weight:600}
.prod-card h4{font-size:15px;font-weight:600;margin-top:5px;line-height:1.4;color:var(--ink)}
.prod-card .meta{font-size:12.5px;color:var(--muted-2);margin-top:8px}
.prod-card .isos{display:flex;gap:5px;margin-top:10px}

/* ---------- feature / why ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feat{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px 26px;transition:.2s;
}
.feat:hover{border-color:var(--border-2);box-shadow:var(--shadow-sm)}
.feat .ic{
  width:46px;height:46px;border-radius:10px;background:var(--ink);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.feat .ic svg{width:22px;height:22px;stroke:var(--orange)}
.feat h4{font-size:16px;font-weight:700;color:var(--ink)}
.feat p{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ---------- applications ---------- */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.app-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;height:360px;display:block;border:1px solid var(--border)}
.app-card img{width:100%;height:100%;object-fit:cover;transition:.5s}
.app-card:hover img{transform:scale(1.05)}
.app-card .ov{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;
  background:linear-gradient(180deg,rgba(16,16,16,0) 30%,rgba(16,16,16,.92) 100%);
  color:#fff;
}
.app-card h3{font-size:20px;font-weight:700}
.app-card p{font-size:13.5px;color:#C9D0DC;margin-top:6px}
.app-card .tags{display:flex;gap:6px;margin-top:12px}
.app-card .tags .chip{background:rgba(16,16,16,.55);color:#FFB877;border-color:rgba(255,255,255,.15);backdrop-filter:blur(4px)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:28px 24px 26px;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--orange);
  display:block;margin-bottom:14px;letter-spacing:.1em;
}
.step h4{font-size:16px;font-weight:700;color:var(--ink)}
.step p{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;display:block;transition:.22s;
}
.news-card:hover{border-color:var(--border-2);transform:translateY(-4px);box-shadow:var(--shadow-md)}
.news-card .img-wrap{height:190px;overflow:hidden;background:#0E1420}
.news-card img{width:100%;height:100%;object-fit:cover}
.news-card .body{padding:22px}
.news-card .date{font-size:12px;color:var(--muted-2);font-family:var(--mono)}
.news-card h4{font-size:16px;font-weight:700;margin-top:8px;line-height:1.45;color:var(--ink)}
.news-card p{font-size:13.5px;color:var(--muted);margin-top:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .more{font-size:13px;font-weight:600;color:var(--orange);margin-top:14px;display:inline-block}

/* ---------- CTA banner (footer ad) ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:72px 64px;display:flex;align-items:center;gap:40px;color:#fff;
  isolation:isolate;
}
/* background image layer + readability overlay */
.cta-banner::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:var(--bnr-img,linear-gradient(120deg,#101010,#232323));
  background-size:cover;background-position:center right;
}
.cta-banner::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(90deg,rgba(10,11,14,.94) 0%,rgba(10,11,14,.82) 45%,rgba(10,11,14,.45) 100%);
}
/* orange glow accent */
.cta-banner .glow{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,24,.35),transparent 70%);pointer-events:none;
}
.cta-banner .txt{flex:1;position:relative;z-index:1}
.cta-banner .kick{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:var(--orange);background:rgba(255,122,24,.14);border:1px solid rgba(255,122,24,.4);
  padding:5px 12px;border-radius:99px;margin-bottom:14px;
}
.cta-banner h3{font-size:clamp(22px,2.6vw,32px);font-weight:800;max-width:640px}
.cta-banner h3 span{color:var(--orange)}
.cta-banner p{color:#C6CBD6;margin-top:10px;max-width:600px;font-size:15px}
.cta-banner .acts{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;flex-shrink:0}
.cta-banner .btn-primary{background:var(--orange);color:#fff}
.cta-banner .btn-primary:hover{background:var(--orange-2)}
.cta-banner .btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06)}
.cta-banner .btn-ghost:hover{border-color:var(--orange);color:var(--orange)}
/* per-page scene variants */
.bnr-hero   {--bnr-img:url("../img/hero-milling.png")}
.bnr-factory{--bnr-img:url("../img/factory.png")}
.bnr-custom {--bnr-img:url("../img/custom-hero.png")}
.bnr-mold   {--bnr-img:url("../img/app-mold.png")}
.bnr-aero   {--bnr-img:url("../img/app-aero.png")}
.bnr-auto   {--bnr-img:url("../img/app-auto.png")}

/* ---------- footer ---------- */
.footer{background:var(--ink);border-top:1px solid rgba(255,255,255,.06);margin-top:0;color:#9AA2AF}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:48px;padding:72px 0 52px}
.footer h5{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:20px}
.footer li{margin-bottom:11px}
.footer li a{font-size:14px;color:#9AA2AF}
.footer li a:hover{color:var(--orange)}
.footer .brand .logo{color:#fff}
.footer .brand p{font-size:14px;color:#9AA2AF;margin-top:16px;max-width:320px}
.footer .certs{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}
.cert{
  padding:5px 12px;border:1px solid rgba(255,255,255,.2);border-radius:6px;
  font-size:11.5px;font-weight:700;color:#B9BEC8;letter-spacing:.05em;
}
.footer .contact li{font-size:14px;color:#9AA2AF;display:flex;gap:10px;align-items:flex-start}
.footer .contact .ic{color:var(--orange);flex-shrink:0;margin-top:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;justify-content:space-between;font-size:13px;color:#6B7484;flex-wrap:wrap;gap:8px;
}

/* ---------- page hero (inner pages) ---------- */
.page-hero{
  position:relative;padding:76px 0 68px;overflow:hidden;border-bottom:1px solid var(--border);
  background:var(--bg-2);
}
.page-hero .bgimg{position:absolute;inset:0;opacity:.07}
.page-hero .bgimg img{width:100%;height:100%;object-fit:cover}
.page-hero .container{position:relative;z-index:1}
.page-hero h1{font-size:clamp(28px,3.6vw,46px);font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.page-hero .lead{max-width:720px}
.crumb{font-size:13px;color:var(--muted-2);margin-bottom:18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--orange)}
.crumb span{margin:0 8px;color:var(--muted-2)}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:30px;
}
.f-chip{
  padding:8px 18px;border-radius:999px;border:1px solid var(--border-2);
  font-size:13px;color:var(--muted);cursor:pointer;background:transparent;transition:.18s;font-family:var(--font);
}
.f-chip:hover{border-color:var(--ink);color:var(--ink)}
.f-chip.on{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.result-count{font-size:13px;color:var(--muted-2);margin-left:auto}

/* ---------- product detail ---------- */
.pd-layout{display:grid;grid-template-columns:1fr 400px;gap:48px;align-items:start}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.pd-gallery{
  background:#0E1420;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;
}
.pd-gallery img{width:100%;aspect-ratio:1/1;object-fit:cover}
.pd-title{font-size:clamp(22px,2.6vw,30px);font-weight:800;font-family:var(--mono);letter-spacing:-.01em;color:var(--ink)}
.pd-sub{color:var(--muted);margin-top:10px;font-size:15px}
.pd-isos{display:flex;gap:6px;margin:18px 0;align-items:center}
.pd-isos .lbl{font-size:12px;color:var(--muted-2);margin-right:6px}
.pd-quick{
  margin-top:22px;background:var(--card-2);border:1px solid var(--border);border-radius:var(--radius);
  padding:20px 22px;font-size:14px;
}
.pd-quick li{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--border-2)}
.pd-quick li:last-child{border-bottom:none}
.pd-quick .k{color:var(--muted)}
.pd-quick .v{font-weight:600;font-family:var(--mono);font-size:13.5px;color:var(--ink)}

.pd-sec{margin-top:56px}
.pd-sec h3{font-size:20px;font-weight:800;margin-bottom:20px;display:flex;align-items:center;gap:12px;color:var(--ink)}
.pd-sec h3::before{content:"";width:4px;height:20px;background:var(--orange);border-radius:2px}

.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--card)}
table.spec{width:100%;border-collapse:collapse;font-size:13.5px;min-width:640px}
table.spec th{
  text-align:left;padding:12px 16px;background:var(--bg-2);
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
  border-bottom:1px solid var(--border);white-space:nowrap;
}
table.spec td{padding:12px 16px;border-bottom:1px solid var(--border);white-space:nowrap;color:var(--text)}
table.spec tr:last-child td{border-bottom:none}
table.spec td.mono{font-family:var(--mono);color:var(--orange-2);font-weight:600}
table.spec tr:hover td{background:rgba(255,122,24,.05)}
table.spec a{color:var(--orange-2)}
.grade-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:7px;vertical-align:middle}

.compat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.compat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:18px;display:flex;gap:14px;align-items:center;transition:.2s;
}
.compat-card:hover{border-color:rgba(255,122,24,.5);box-shadow:var(--shadow-sm)}
.compat-card img{width:64px;height:64px;object-fit:cover;border-radius:8px;background:#0E1420}
.compat-card .code{font-family:var(--mono);font-size:12.5px;color:var(--orange-2);font-weight:600}
.compat-card .nm{font-size:13px;color:var(--muted);margin-top:3px}

.drawing-box{
  background:var(--bg-2);border:1px dashed var(--border-2);border-radius:var(--radius);
  padding:48px;text-align:center;color:var(--muted-2);
}
.drawing-box svg{width:48px;height:48px;stroke:var(--muted-2);margin-bottom:14px}

/* inquiry aside */
.inq-aside{position:sticky;top:calc(var(--header-h) + 24px)}
.inq-box{
  background:var(--ink);
  border:1px solid var(--ink);border-radius:var(--radius-lg);padding:30px;color:#fff;
}
.inq-box h4{font-size:18px;font-weight:800}
.inq-box .sub{font-size:13px;color:#8A93A3;margin-top:6px}
.inq-box form{margin-top:20px;display:grid;gap:12px}
.inq-box .f-label{color:#9AA2AF}
.inq-box .f-label b{color:var(--orange)}
.inq-box .f-input,.inq-box .f-select,.inq-box .f-textarea{
  background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.2);color:#fff;
}
.inq-box .f-input:focus,.inq-box .f-select:focus,.inq-box .f-textarea:focus{border-color:var(--orange);background:rgba(255,122,24,.08)}
.inq-box .f-select option{background:#101010}
.inq-box .f-input[readonly]{color:#FFB877}
.inq-box .btn-primary{background:var(--orange);color:#fff}
.inq-box .btn-primary:hover{background:var(--orange-2)}
.inq-box .form-ok{
  background:rgba(63,185,108,.15);border-color:rgba(63,185,108,.5);color:#6FD69A;
}

/* ---------- forms ---------- */
.f-input,.f-select,.f-textarea{
  width:100%;padding:12px 14px;border-radius:8px;border:1px solid var(--border-2);
  background:#fff;color:var(--text);font-size:14px;font-family:var(--font);
  transition:.18s;outline:none;
}
.f-input:focus,.f-select:focus,.f-textarea:focus{border-color:var(--ink);background:#fff}
.f-select option{background:#fff;color:var(--text)}
.f-textarea{min-height:110px;resize:vertical}
.f-label{font-size:13px;font-weight:600;color:var(--muted);margin-bottom:7px;display:block}
.f-label b{color:var(--orange)}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-group{margin-bottom:18px}
.form-ok{
  display:none;background:rgba(31,157,85,.1);border:1px solid rgba(31,157,85,.35);
  color:var(--ok);padding:14px 18px;border-radius:8px;font-size:14px;margin-top:16px;
}
.form-ok.show{display:block}

/* ---------- contact page ---------- */
.contact-layout{display:grid;grid-template-columns:1fr 1.2fr;gap:48px;align-items:start}
.c-info-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;display:flex;gap:16px;margin-bottom:18px;align-items:flex-start;
}
.c-info-card .ic{
  width:42px;height:42px;border-radius:10px;background:var(--ink);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.c-info-card .ic svg{width:20px;height:20px;stroke:var(--orange)}
.c-info-card h5{font-size:14px;font-weight:700;color:var(--ink)}
.c-info-card p{font-size:14px;color:var(--muted);margin-top:4px}
.c-info-card a{color:var(--orange-2);font-weight:500}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center}
.about-grid .img{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border)}
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:30px;text-align:center;
}
.stat-card .num{font-size:36px;font-weight:800;font-family:var(--mono);color:var(--ink)}
.stat-card .lbl{font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- faq ---------- */
.faq-item{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;background:var(--card);overflow:hidden}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;background:none;border:none;color:var(--ink);font-size:15px;font-weight:600;
  cursor:pointer;text-align:left;font-family:var(--font);
}
.faq-q .pm{color:var(--orange);font-size:20px;font-weight:400;flex-shrink:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--muted)}
.faq-a a{color:var(--orange-2)}
.faq-item.open .faq-a{max-height:260px}

/* ---------- custom page ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cap-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.cap-card h4{font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px;color:var(--ink)}
.cap-card h4 .n{font-family:var(--mono);color:var(--orange);font-size:13px}
.cap-card ul{margin-top:14px}
.cap-card li{font-size:13.5px;color:var(--muted);padding:5px 0 5px 18px;position:relative}
.cap-card li::before{content:"";position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:2px;background:var(--orange)}

/* ---------- misc ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.note-strip{
  display:flex;gap:12px;align-items:center;background:var(--orange-dim);
  border:1px solid rgba(255,122,24,.3);border-radius:var(--radius);padding:16px 20px;
  font-size:14px;color:var(--orange-2);
}
.note-strip a{color:var(--orange-2);text-decoration:underline}
.divider{height:1px;background:var(--border);margin:0}
.list-check li{position:relative;padding:6px 0 6px 28px;color:var(--muted);font-size:14.5px}
.list-check li b{color:var(--ink);font-weight:600}
.list-check li::before{
  content:"";position:absolute;left:0;top:12px;width:16px;height:16px;border-radius:50%;
  background:var(--orange-dim) url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23FF7A18" stroke-width="3"><path d="M5 13l4 4 10-10"/></svg>') center/10px no-repeat;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1024px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-main{grid-template-columns:1fr 1fr;gap:36px}
  .pd-layout{grid-template-columns:1fr;gap:32px}
  .inq-aside{position:static}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .about-grid,.grid-2,.contact-layout{grid-template-columns:1fr;gap:32px}
}
@media (max-width:860px){
  .nav,.header .btn-quote{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav.open{
    display:flex;position:absolute;top:var(--header-h);left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--border);padding:12px 24px 20px;gap:2px;
    box-shadow:var(--shadow-md);
  }
  .nav.open a{padding:12px 10px;font-size:15px}
  .cat-grid,.app-grid,.news-grid,.steps,.compat-grid,.two-col{grid-template-columns:1fr}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:44px 30px;gap:24px}
  .cta-banner::before{background-position:center left}
  .cta-banner .kick{margin-bottom:10px}
  .section{padding:64px 0}
}
@media (max-width:560px){
  .prod-grid,.cat-grid,.app-grid,.news-grid,.feat-grid,.steps,.cap-grid,.compat-grid{grid-template-columns:1fr}
  .container{padding:0 20px}
  .topbar .tb-left{display:none}
  .topbar .container{justify-content:center}
  .f-row{grid-template-columns:1fr}
  .hero{min-height:540px}
  .hero-stats{gap:26px}
  .footer-main{grid-template-columns:1fr}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .filter-bar .result-count{width:100%;margin-left:0}
}

/* ---------- sticky promo bar ---------- */
.promo-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:900;
  display:flex;align-items:center;gap:16px;
  background:#101010;border-top:2px solid var(--orange);
  padding:13px 24px 13px 18px;color:#fff;
  transform:translateY(102%);transition:transform .4s cubic-bezier(.2,.8,.3,1);
  box-shadow:0 -10px 34px rgba(0,0,0,.28);
}
.promo-bar.show{transform:translateY(0)}
.promo-close{
  flex-shrink:0;width:30px;height:30px;border-radius:8px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#9AA2AF;font-size:17px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:.2s;
}
.promo-close:hover{border-color:var(--orange);color:var(--orange)}
.promo-ic{
  flex-shrink:0;width:46px;height:46px;border-radius:10px;
  background:linear-gradient(135deg,var(--orange),var(--orange-2));
  display:flex;align-items:center;justify-content:center;color:#fff;
}
.promo-ic svg{width:24px;height:24px;fill:currentColor}
.promo-txt{min-width:0}
.promo-txt strong{display:block;font-size:15px;font-weight:700;letter-spacing:.01em}
.promo-txt span{display:block;font-size:13px;color:#9AA2AF;margin-top:3px}
.promo-btn{margin-left:auto;flex-shrink:0}
.promo-btn.btn{background:var(--orange);color:#fff;padding:11px 22px;font-weight:700}
.promo-btn.btn:hover{background:var(--orange-2);transform:translateY(-1px)}
@media (max-width:1024px){
  .promo-bar{gap:12px}
  .promo-txt strong{font-size:14px}
}
@media (max-width:560px){
  .promo-bar{flex-wrap:wrap;padding:12px 14px;gap:10px}
  .promo-ic{width:38px;height:38px}
  .promo-txt{flex:1;min-width:0}
  .promo-btn{margin-left:0;width:100%;text-align:center}
}

/* promo pill (minimized state) */
.promo-pill{
  position:fixed;left:14px;bottom:14px;z-index:899;
  display:none;align-items:center;gap:9px;
  background:var(--ink);border:1px solid rgba(255,122,24,.55);
  color:#fff;padding:9px 16px 9px 11px;border-radius:99px;
  font-size:13.5px;font-weight:700;cursor:pointer;box-shadow:0 6px 20px rgba(0,0,0,.3);
  opacity:0;transform:translateY(8px);transition:.3s;
}
.promo-pill.show{display:flex;opacity:1;transform:translateY(0)}
.promo-pill:hover{border-color:var(--orange);background:#1B1B1B}
.promo-pill .p-ic{
  width:26px;height:26px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--orange),var(--orange-2));
  display:flex;align-items:center;justify-content:center;
}
.promo-pill .p-ic svg{width:14px;height:14px;fill:currentColor}
.promo-pill .p-arrow{color:var(--orange);font-weight:800;margin-left:2px}
@media (max-width:560px){
  .promo-pill{left:10px;bottom:10px;font-size:12.5px;padding:8px 13px 8px 9px}
}