/* ==========================================================================
   Binyuan Environmental Technology (Wuxi) Co., Ltd.
   滨元环境科技（无锡）有限公司
   Shared stylesheet — edit colours and spacing in the :root block below.
   ========================================================================== */

:root{
  color-scheme: light;

  /* --- brand colours: change these to re-skin the whole site --- */
  --brand:        #0F7F8C;   /* primary teal   */
  --brand-dark:   #0A5C66;
  --brand-light:  #E2F0F1;
  --accent:       #C07818;   /* secondary amber */
  --accent-light: #FBF1E1;

  --navy:         #0E2A33;   /* dark sections & footer */
  --navy-2:       #14323C;

  --ink:          #14262C;   /* body text      */
  --ink-2:        #4A626B;
  --ink-3:        #7A8F97;
  --line:         #DFE6E6;
  --line-2:       #C3D0D0;
  --paper:        #FFFFFF;
  --paper-2:      #F4F8F8;

  --shadow:       0 1px 3px rgba(14,42,51,.06), 0 10px 30px -14px rgba(14,42,51,.22);
  --shadow-lg:    0 2px 6px rgba(14,42,51,.08), 0 22px 48px -20px rgba(14,42,51,.34);

  /* Fonts: system stacks — no external request, so the site loads instantly
     everywhere including mainland China, and there is nothing to maintain.
     To use Google Fonts instead, add this line back into the <head> of every
     page and swap the two stacks below for "Archivo" / "Source Sans 3":
     <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Archivo:wght@600;700;800&family=Source+Sans+3:wght@400;600&display=swap"> */
  --f-head: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
            "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --f-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
            "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --f-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
            "Liberation Mono", monospace;

  --wrap: 1200px;
  --radius: 4px;
}

/* ---------- reset & base ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--f-body); font-size:16.5px; line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:var(--f-head);font-weight:700;line-height:1.15;margin:0;letter-spacing:-.02em;text-wrap:balance}
p{margin:0}
img{max-width:100%;display:block}
figure{margin:0}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-family:var(--f-head);font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:var(--radius);border:2px solid transparent;
  cursor:pointer;text-decoration:none;transition:background .18s,border-color .18s,color .18s;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:#A5660F;border-color:#A5660F;color:#fff}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost-light:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn-sm{padding:9px 17px;font-size:14px}
.site-header .btn{white-space:nowrap}
.site-header .langsw{flex-shrink:0}
.btn .dur{font-family:var(--f-mono);font-size:12.5px;opacity:.8}

/* ---------- top bar ---------- */
.topbar{background:var(--navy);color:#C9DADF;font-size:13.5px}
.topbar .wrap{display:flex;align-items:center;gap:26px;height:40px;flex-wrap:wrap}
.topbar a{color:#C9DADF}
.topbar a:hover{color:#fff}
.topbar .sep{margin-left:auto}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(14,42,51,.03)}
.site-header .wrap{display:flex;align-items:center;gap:22px;height:78px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;text-decoration:none}
.logo:hover{text-decoration:none}
.logo svg{width:38px;height:38px;flex-shrink:0}
.logo b{display:block;font-family:var(--f-head);font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.logo span{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}
.mainnav{display:flex;gap:4px;margin-left:auto}
.mainnav a{
  font-family:var(--f-head);font-weight:600;font-size:14.5px;color:var(--ink-2);
  padding:10px 14px;border-radius:var(--radius);text-decoration:none;white-space:nowrap;
}
.mainnav a:hover{background:var(--paper-2);color:var(--brand);text-decoration:none}
.mainnav a.current{color:var(--brand);background:var(--brand-light)}
.header-tools{display:flex;align-items:center;gap:10px}
.langsw{display:flex;border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden}
.langsw button{
  font-family:var(--f-mono);font-size:11.5px;font-weight:600;letter-spacing:.05em;
  padding:6px 9px;border:0;background:#fff;color:var(--ink-3);cursor:pointer;
}
.langsw button[aria-pressed="true"]{background:var(--brand);color:#fff}
.burger{display:none;background:#fff;border:1px solid var(--line-2);border-radius:var(--radius);padding:9px 11px;cursor:pointer;color:var(--ink);font-size:16px;line-height:1}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--navy) center/cover no-repeat;color:#fff;overflow:hidden}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(10,30,37,.93) 0%, rgba(10,30,37,.80) 42%, rgba(10,30,37,.45) 100%);
}
.hero .wrap{position:relative;z-index:2;padding-top:92px;padding-bottom:96px;max-width:var(--wrap)}
.hero-inner{max-width:760px}
.hero .eyebrow{
  display:inline-block;font-family:var(--f-mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:#7FD7E1;border-left:3px solid var(--accent);padding-left:11px;margin-bottom:20px;
}
.hero h1{font-size:clamp(34px,4.8vw,56px);font-weight:800;letter-spacing:-.03em;color:#fff}
.hero h1 em{font-style:normal;color:#5FD3DE}
.hero p{margin-top:20px;font-size:19px;color:#D3E2E6;max-width:60ch}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-facts{display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.18)}
.hero-facts div dt{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:#8FAAB2}
.hero-facts div dd{margin:5px 0 0;font-family:var(--f-head);font-weight:600;font-size:16px;color:#fff}
.hero-facts a{color:#7FD7E1}

/* ---------- page banner (inner pages) ---------- */
.page-banner{position:relative;background:var(--navy) center/cover no-repeat;color:#fff}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg, rgba(10,30,37,.92), rgba(10,30,37,.68))}
.page-banner .wrap{position:relative;z-index:2;padding:64px 24px 60px}
.page-banner h1{font-size:clamp(28px,4vw,44px);color:#fff;font-weight:800}
.page-banner p{margin-top:12px;color:#CFE0E4;font-size:17.5px;max-width:68ch}
.crumb{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:#8FAAB2;margin-bottom:14px}
.crumb a{color:#8FAAB2}
.crumb a:hover{color:#fff}

/* ---------- sections ---------- */
.section{padding:86px 0}
.section.alt{background:var(--paper-2)}
.section.dark{background:var(--navy);color:#fff}
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-head.left{margin-left:0;text-align:left}
.sec-head .eyebrow{
  display:inline-block;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--brand);margin-bottom:13px;
}
.sec-head h2{font-size:clamp(27px,3.4vw,40px)}
.sec-head .rule{width:64px;height:3px;background:var(--accent);margin:20px auto 0;border-radius:2px}
.sec-head.left .rule{margin-left:0}
.sec-head p{margin-top:18px;font-size:17.5px;color:var(--ink-2)}
.section.dark .sec-head h2{color:#fff}
.section.dark .sec-head p{color:#C3D6DB}
.section.dark .sec-head .eyebrow{color:#7FD7E1}

/* ---------- service / icon cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px 30px;
  display:flex;flex-direction:column;gap:13px;transition:box-shadow .2s,transform .2s,border-color .2s;
}
.svc:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--brand)}
.svc .ico{
  width:56px;height:56px;border-radius:var(--radius);background:var(--brand-light);
  display:flex;align-items:center;justify-content:center;color:var(--brand);flex-shrink:0;
}
.svc .ico svg{width:30px;height:30px}
.svc h3{font-size:18.5px}
.svc p{font-size:14.5px;color:var(--ink-2);line-height:1.6}
.svc .more{margin-top:auto;padding-top:10px;font-family:var(--f-head);font-weight:600;font-size:14px;color:var(--brand)}

/* ---------- stats bar ---------- */
.stats{background:var(--navy);color:#fff;padding:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:48px 26px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.stat:last-child{border-right:0}
.stat .num{font-family:var(--f-head);font-weight:800;font-size:clamp(32px,4vw,46px);color:#5FD3DE;letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1}
.stat .num small{font-size:18px;font-weight:600;letter-spacing:0}
.stat .lbl{margin-top:10px;font-size:14.5px;color:#BCD2D8;line-height:1.45}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:repeat(2,1fr);gap:56px;align-items:center}
.split.reverse .split-media{order:2}
.split-media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.split-body h2{font-size:clamp(25px,3vw,35px)}
.split-body .eyebrow{display:block;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}
.split-body p{margin-top:16px;font-size:16.5px;color:var(--ink-2)}
.ticks{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:11px}
.ticks li{display:grid;grid-template-columns:22px 1fr;gap:11px;font-size:15.5px;color:var(--ink)}
.ticks li::before{content:"";width:18px;height:18px;margin-top:4px;border-radius:50%;background:var(--brand-light);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230F7F8C' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3.5 8.5l3 3 6-7'/%3E%3C/svg%3E");
  background-size:13px;background-position:center;background-repeat:no-repeat}
.split-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}

/* ---------- technology cards ---------- */
.tech-list{display:flex;flex-direction:column;gap:26px}
.tech{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:grid;grid-template-columns:320px minmax(0,1fr) 330px;box-shadow:var(--shadow)}
.tech-photo{position:relative;background:var(--paper-2)}
.tech-photo img{width:100%;height:100%;min-height:280px;object-fit:cover}
.tech-photo figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:#fff;background:linear-gradient(to top,rgba(6,22,27,.9),rgba(6,22,27,0))}
.tech-body{padding:30px 32px}
.tag-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:12px}
.tag{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.08em;color:#fff;background:var(--brand);padding:4px 9px;border-radius:2px}
.tag.amber{background:var(--accent-light);color:var(--accent);border:1px solid #E3C695}
.tech-body h3{font-size:23px}
.tech-body > p{margin-top:11px;font-size:15.5px;color:var(--ink-2)}
.pills{display:flex;flex-wrap:wrap;gap:7px;margin-top:18px}
.pills span{font-size:13px;padding:4px 11px;border:1px solid var(--line-2);border-radius:100px;color:var(--ink-2)}
.tech-spec{background:var(--paper-2);border-left:1px solid var(--line);padding:28px 26px}
.tech-spec h4{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:500;margin-bottom:14px}
.tech-spec dl{display:grid;grid-template-columns:auto 1fr;gap:0 14px;margin:0}
.tech-spec dt{font-size:13px;color:var(--ink-2);padding:8px 0;border-top:1px solid var(--line)}
.tech-spec dd{margin:0;padding:8px 0;border-top:1px solid var(--line);text-align:right;font-family:var(--f-mono);font-size:12.5px;font-variant-numeric:tabular-nums;color:var(--ink)}
.tech-spec dt:first-of-type,.tech-spec dd:first-of-type{border-top:0}
.patents{margin-top:20px;padding-top:16px;border-top:1px dashed var(--line-2);display:flex;flex-direction:column;gap:7px}
.patents .k{font-family:var(--f-mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.patents .row{display:flex;gap:11px;flex-wrap:wrap;align-items:baseline}
.patents .no{font-family:var(--f-mono);font-size:12.5px;color:var(--brand);font-weight:500;font-variant-numeric:tabular-nums}
.patents .ttl{font-size:13.5px;color:var(--ink-2)}

/* ---------- flagship project ---------- */
.flagship{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.flagship-head{padding:32px 34px 26px;border-bottom:1px solid var(--line)}
.meta-row{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--accent);font-weight:600;display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.meta-row span + span::before{content:"·";margin-right:10px;color:var(--line-2)}
.flagship-head h3{font-size:clamp(21px,2.7vw,29px);margin-top:12px}
.flagship-head > p{margin-top:14px;font-size:16px;color:var(--ink-2);max-width:80ch}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line)}
.metric{background:var(--paper-2);padding:24px 26px}
.metric .k{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3)}
.metric .v{margin-top:7px;font-family:var(--f-head);font-weight:800;font-size:clamp(24px,3vw,33px);color:var(--brand);letter-spacing:-.03em;font-variant-numeric:tabular-nums;line-height:1.05}
.metric .v small{font-size:15px;font-weight:600;letter-spacing:0}
.metric .d{margin-top:6px;font-family:var(--f-mono);font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums}
.flagship-note{padding:16px 34px;font-size:13.5px;color:var(--ink-3)}

/* ---------- project cards ---------- */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow)}
.pcard img{width:100%;height:190px;object-fit:cover}
.pcard .inner{padding:24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.pcard .loc{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--accent);font-weight:600}
.pcard h4{font-size:18px}
.pcard p{font-size:14.5px;color:var(--ink-2);line-height:1.6}
.pcard .figs{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line-2);font-family:var(--f-mono);font-size:12.5px;color:var(--ink);font-variant-numeric:tabular-nums}

/* ---------- condition cards ---------- */
.cond-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cond{background:#fff;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:var(--radius);padding:28px 28px 30px;display:flex;flex-direction:column;gap:11px;box-shadow:var(--shadow)}
.cond .n{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--accent);font-weight:700}
.cond h3{font-size:18.5px}
.cond p{font-size:14.5px;color:var(--ink-2);line-height:1.6}
.cond .ans{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:14.5px;color:var(--ink)}
.cond .ans b{font-family:var(--f-head);font-weight:600;color:var(--brand)}

/* ---------- process steps ---------- */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.step{background:#fff;padding:26px 20px;display:flex;flex-direction:column;gap:9px}
.step .no{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--f-mono);font-size:13px;font-weight:600}
.step h4{font-size:16px;margin-top:5px}
.step p{font-size:13.5px;color:var(--ink-2);line-height:1.55}
.step .dur{margin-top:auto;padding-top:10px;font-family:var(--f-mono);font-size:11.5px;color:var(--ink-3)}

/* ---------- coverage ---------- */
.cov-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cov{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow)}
.cov h3{font-size:19px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{font-family:var(--f-mono);font-size:10px;letter-spacing:.09em;padding:3px 8px;border-radius:2px;background:var(--brand-light);color:var(--brand);border:1px solid var(--brand);font-weight:600}
.badge.fr{background:var(--accent-light);color:var(--accent);border-color:#E3C695}
.cov p{margin-top:12px;font-size:15px;color:var(--ink-2)}
.cov .ports{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line-2);font-family:var(--f-mono);font-size:12.5px;color:var(--ink-3)}

/* ---------- project list ---------- */
.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.plist h3{font-size:17px;display:flex;align-items:baseline;gap:10px;padding-bottom:12px;border-bottom:3px solid var(--brand)}
.plist h3 .ct{font-family:var(--f-mono);font-size:12px;color:var(--ink-3);font-weight:500;font-variant-numeric:tabular-nums}
.plist ol{list-style:none;margin:0;padding:0;counter-reset:pp}
.plist li{display:grid;grid-template-columns:26px 1fr;gap:10px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.5;color:var(--ink-2)}
.plist li::before{counter-increment:pp;content:counter(pp,decimal-leading-zero);font-family:var(--f-mono);font-size:10.5px;color:var(--ink-3);padding-top:3px}
.plist li b{display:block;font-weight:600;color:var(--ink)}
.plist li .loc{display:block;margin-top:3px;font-family:var(--f-mono);font-size:11px;color:var(--ink-3)}

/* ---------- gallery ---------- */
.gal{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gal figure{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.gal img{width:100%;height:195px;object-fit:cover}
.gal figcaption{padding:13px 16px;font-size:13.5px;color:var(--ink-2);border-top:1px solid var(--line)}

/* ---------- video block ---------- */
.vidblock{display:grid;grid-template-columns:300px minmax(0,1fr);gap:40px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 36px;box-shadow:var(--shadow)}
.vidblock video{width:100%;border-radius:var(--radius);border:1px solid var(--line-2);background:#0b1a1f}
.vidtext .eyebrow{display:block;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--brand);margin-bottom:11px}
.vidtext h3{font-size:25px}
.vidtext p{margin-top:13px;font-size:16px;color:var(--ink-2);max-width:64ch}
.vidlinks{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.vidtext .call{margin-top:20px;padding-top:18px;border-top:1px solid var(--line);font-size:15.5px}
.vidtext .call b{font-family:var(--f-head);font-weight:600;color:var(--brand)}

/* ---------- patent documents ---------- */
.pdocs{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.pdoc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px}
.pdoc img{background:#fff;border:1px solid var(--line-2);width:100%}
.pdoc .cap{margin-top:auto}
.pdoc .cap b{display:block;font-family:var(--f-mono);font-size:13.5px;color:var(--brand);font-variant-numeric:tabular-nums}
.pdoc .cap span{display:block;margin-top:3px;font-size:14px;color:var(--ink-2)}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.tl{background:#fff;padding:26px 22px;display:flex;flex-direction:column;gap:9px}
.tl .yr{font-family:var(--f-head);font-weight:800;font-size:27px;color:var(--brand);letter-spacing:-.02em}
.tl p{font-size:14px;color:var(--ink-2);line-height:1.55}
.timeline .tl:last-child{grid-column:span 2}

/* ---------- to-do / notice blocks ---------- */
.notice{border:2px dashed #E3C695;background:var(--accent-light);border-radius:var(--radius);padding:24px 26px;display:flex;flex-direction:column;gap:9px}
.notice .lbl{font-family:var(--f-mono);font-size:10.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--accent)}
.notice h3{font-size:18px}
.notice p{font-size:14.5px;color:var(--ink-2)}
.notice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);background:#fff}
.faq summary{font-family:var(--f-head);font-weight:600;font-size:17px;padding:22px 44px 22px 4px;cursor:pointer;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:12px;top:19px;font-family:var(--f-mono);font-size:21px;color:var(--brand);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 44px 24px 4px;color:var(--ink-2);font-size:16px}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:50px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow)}
.contact-card dl{display:grid;grid-template-columns:auto 1fr;gap:0 18px;margin:0}
.contact-card dt{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);padding:12px 0;border-top:1px solid var(--line)}
.contact-card dd{margin:0;padding:12px 0;border-top:1px solid var(--line);text-align:right;font-size:15px;word-break:break-word}
.contact-card dt:first-of-type,.contact-card dd:first-of-type{border-top:0}
.contact-btns{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0}
form.enquiry{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 34px;box-shadow:var(--shadow)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.field label{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.field input,.field select,.field textarea{
  font-family:var(--f-body);font-size:15.5px;color:var(--ink);background:#fff;
  border:1px solid var(--line-2);border-radius:var(--radius);padding:11px 13px;width:100%;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px var(--brand-light)}
.factions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:6px}
.fhint{margin-top:12px;font-size:13px;color:var(--ink-3)}
.fallback{margin-top:22px;padding-top:20px;border-top:1px dashed var(--line-2)}
.fallback .lead{font-size:13.5px;color:var(--ink-3);margin-bottom:12px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.fout{margin-top:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2);padding:16px 18px;font-family:var(--f-mono);font-size:12.5px;white-space:pre-wrap;color:var(--ink-2);max-height:280px;overflow:auto}

/* ---------- selector widget ---------- */
.selector{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.sel-head{padding:20px 24px;border-bottom:1px solid var(--line);background:var(--paper-2)}
.sel-head strong{display:block;font-family:var(--f-head);font-size:17px}
.sel-head span{font-size:14px;color:var(--ink-3)}
.sel-tabs{display:grid;border-bottom:1px solid var(--line)}
.sel-tabs button{font-family:var(--f-body);font-size:14px;font-weight:600;text-align:left;padding:12px 20px;background:#fff;border:0;border-bottom:1px solid var(--line);color:var(--ink-2);cursor:pointer}
.sel-tabs button:last-child{border-bottom:0}
.sel-tabs button:hover{background:var(--paper-2);color:var(--ink)}
.sel-tabs button[aria-pressed="true"]{background:var(--brand-light);color:var(--brand);box-shadow:inset 4px 0 0 var(--brand)}
.train{padding:22px 24px 8px;display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.stage{font-family:var(--f-mono);font-size:11.5px;font-weight:500;padding:6px 10px;border-radius:2px;background:var(--paper-2);border:1px solid var(--line);color:var(--ink-2);white-space:nowrap}
.stage.is-feed{background:var(--accent-light);border-color:#E3C695;color:var(--accent)}
.stage.is-core{background:var(--brand-light);border-color:var(--brand);color:var(--brand);font-weight:600}
.arrow{color:var(--ink-3);font-size:12px}
.sel-specs{padding:8px 24px 20px}
.sel-specs dl{display:grid;grid-template-columns:auto 1fr;gap:0 16px;margin:0}
.sel-specs dt{font-size:13.5px;color:var(--ink-3);padding:9px 0;border-top:1px dotted var(--line-2)}
.sel-specs dd{margin:0;padding:9px 0;border-top:1px dotted var(--line-2);font-family:var(--f-mono);font-size:13px;text-align:right;color:var(--ink);font-variant-numeric:tabular-nums}
.sel-specs dt:first-of-type,.sel-specs dd:first-of-type{border-top:0}
.sel-foot{padding:15px 24px;border-top:1px solid var(--line);background:var(--paper-2);font-size:13.5px;color:var(--ink-3)}

/* ---------- CTA strip ---------- */
.cta-strip{background:linear-gradient(100deg,var(--brand-dark),var(--brand));color:#fff;padding:58px 0}
.cta-strip .wrap{display:flex;align-items:center;gap:34px;flex-wrap:wrap;justify-content:space-between}
.cta-strip h2{font-size:clamp(24px,3vw,34px);color:#fff;max-width:24ch}
.cta-strip p{margin-top:10px;color:#D6F0F2;font-size:16.5px;max-width:52ch}
.cta-strip .btns{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--navy);color:#AFC6CD;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:44px;padding-bottom:48px}
.site-footer h4{font-family:var(--f-head);font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.01em}
.site-footer p{font-size:14.5px;line-height:1.65}
.site-footer a{color:#AFC6CD;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.foot-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14.5px}
.foot-logo{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.foot-logo svg{width:38px;height:38px}
.foot-logo b{display:block;font-family:var(--f-head);font-size:19px;font-weight:800;color:#fff}
.foot-logo span{display:block;font-family:var(--f-mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:#7A949C}
.foot-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:13px;font-size:14.5px}
.foot-contact li{display:grid;grid-template-columns:20px 1fr;gap:11px}
.foot-contact svg{width:17px;height:17px;margin-top:4px;color:#5FD3DE}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:#7A949C}

/* ---------- responsive ---------- */
@media (max-width:1250px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .tech{grid-template-columns:1fr}
  .tech-photo img{min-height:0;height:260px}
  .tech-spec{border-left:0;border-top:1px solid var(--line)}
  .split{grid-template-columns:1fr;gap:34px}
  .split.reverse .split-media{order:0}
  .steps{grid-template-columns:repeat(3,1fr)}
  .cond-grid,.cards-3,.plist{grid-template-columns:repeat(2,1fr)}
  .gal{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr;gap:34px}
  .vidblock{grid-template-columns:1fr;gap:26px;justify-items:start}
  .vidblock .vidwrap{max-width:300px}
  .pdocs,.notice-grid{grid-template-columns:1fr}
  .mainnav{display:none}
  .mainnav.open{display:flex;flex-direction:column;position:absolute;top:78px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;gap:2px;box-shadow:var(--shadow)}
  .mainnav.open a{padding:12px 10px;border-bottom:1px solid var(--line)}
  .burger{display:block;order:9}
  .header-tools{margin-left:auto}
  .site-header .wrap{position:relative}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:680px){
  body{font-size:16px}
  .section{padding:60px 0}
  .hero .wrap{padding-top:62px;padding-bottom:66px}
  .svc-grid,.cond-grid,.cards-3,.plist,.gal,.metrics,.stats-grid,.steps,.cov-grid,.timeline,.foot-grid,.frow{grid-template-columns:1fr}
  .timeline .tl:last-child{grid-column:auto}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .hero-facts{gap:22px}
  .topbar .wrap{height:auto;padding-top:8px;padding-bottom:8px;gap:14px}
  .topbar .sep{margin-left:0}
  .logo span span{display:none}
  .logo b{font-size:17px}
  .site-header .wrap{gap:12px}
  /* the quote button is reachable from the menu, the hero and the footer CTA */
  .site-header .header-tools .btn{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}