:root{
  --ink:#0B141F;
  --ink-2:#022C41;
  --body:#3d4a56;
  --muted:#76828e;
  --line:#dbe3ec;
  --line-2:#c6d2df;
  --paper:#F4F7FB;
  --paper-2:#E9EFF6;
  --dark:#011823;
  --dark-2:#0B141F;
  --accent:#0A5C36;
  --accent-soft:#16B981;
  --accent-deep:#07452A;
  --accent-ink:#04231A;
  --max:1160px;
  --brand:"Space Grotesk","Fira Sans Condensed",-apple-system,"Segoe UI",Arial,sans-serif;
  --font:"Fira Sans Condensed",-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  --serif:"Fira Sans Condensed",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
html,body{max-width:100%;overflow-x:hidden}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.75;
  color:var(--body);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.16;font-weight:600;letter-spacing:-.005em}
h1,h2,.serif{font-family:var(--serif);font-weight:600;letter-spacing:.005em;text-transform:uppercase}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);line-height:1.08}
h2{font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.2}
h3{font-size:1.05rem}
ul,ol{margin:0 0 1.2em;padding-left:1.2em}
li{margin:.35em 0}
strong{color:var(--ink);font-weight:600}
small{font-size:.8125rem}
em{font-style:normal;color:var(--muted)}

.wrap{max-width:var(--max);margin:0 auto;padding:0 32px}
.eyebrow{
  font-family:var(--mono);
  font-size:.66rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 18px;
}
.lead{font-size:1.2rem;color:var(--body);max-width:56ch;line-height:1.6}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,249,247,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:32px}
.brand{display:inline-block;font-family:var(--brand);font-weight:600;letter-spacing:.02em;color:var(--accent);text-transform:uppercase;font-size:1.04rem;line-height:1;white-space:nowrap}
.brand .brand-w{display:inline-block}
.brand .brand-w i{display:inline-block;width:.15em;height:.15em;background:var(--accent-soft);margin-left:.07em;vertical-align:baseline}
.brand .brand-w small{display:block;font-family:var(--mono);font-size:.52rem;letter-spacing:.24em;color:var(--muted);font-weight:400;text-transform:uppercase;margin-top:.72em}
.nav-links{display:flex;align-items:center;gap:30px;font-size:.84rem}
.nav-links a{color:var(--body);letter-spacing:.01em}
.nav-links a:hover{color:var(--ink)}
.nav-cta{
  border:none;padding:10px 20px;font-size:.8rem;
  letter-spacing:.1em;color:#fff;background:var(--accent);text-transform:uppercase;font-weight:600;
}
.nav-links a.nav-cta{color:#fff}
.nav-links a.nav-cta:hover{color:#fff}
.nav-cta:hover{background:var(--accent-deep);color:#fff}
.menu-btn{display:none;background:none;border:1px solid var(--line-2);padding:9px 14px;font-size:.8rem;cursor:pointer;letter-spacing:.05em}

@media(max-width:920px){
  .nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;gap:0;padding:10px 32px 20px}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;width:100%;border-bottom:1px solid var(--line);font-size:.95rem}
  .menu-btn{display:block}
  .nav-cta{display:none}
}

/* ---------- hero ---------- */
.hero{background:var(--dark);color:#b9bcc2;position:relative;background-size:cover;background-position:center}
.hero.has-photo{background-image:linear-gradient(rgba(1,24,35,.86),rgba(1,24,35,.62))}
.hero-inner{position:relative;padding:clamp(88px,11vw,150px) 0 clamp(64px,7vw,96px)}
.hero h1{color:#f5f3ef;max-width:20ch}
.hero .lead{font-size:clamp(1.05rem,1.5vw,1.25rem);color:#9da2a9;max-width:54ch;margin:28px 0 40px}
.hero .eyebrow{color:var(--accent-soft)}
.hero-actions{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.hero .link-more{color:#9da2a9;font-size:.9rem;letter-spacing:.02em;border-bottom:1px solid #3a3c42;padding-bottom:3px}
.hero .link-more:hover{color:#fff;border-color:#fff}

.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-primary{background:var(--accent);color:#fff;font-weight:600}
.btn-primary:hover{background:var(--accent-deep);color:#fff}
.hero .btn-primary,.cta-band .btn-primary,.site-footer .btn-primary{background:var(--accent-soft);color:var(--accent-ink)}
.hero .btn-primary:hover,.cta-band .btn-primary:hover,.site-footer .btn-primary:hover{background:#31C68F;color:var(--accent-ink)}
.btn-dark{background:var(--ink);color:#f5f3ef;font-weight:600}
.btn-dark:hover{background:#000}
.btn-line{border-color:var(--line-2);color:var(--ink);background:transparent}
.btn-line:hover{border-color:var(--ink)}

.facts{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid #303237;margin-top:clamp(56px,7vw,88px);
}
.fact{padding:26px 24px 0 0}
.fact dt{font-family:var(--mono);font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;color:#6e7176;margin-bottom:8px}
.fact dd{margin:0;color:#e9e7e2;font-size:1.05rem;font-weight:500;font-family:var(--serif);letter-spacing:0}
.fact dd span{display:block;font-size:.8rem;color:#6e7176;font-weight:400;margin-top:4px;font-family:var(--font)}
@media(max-width:820px){
  .facts{grid-template-columns:repeat(2,1fr);gap:0 20px;margin-top:48px}
  .fact{padding:22px 0 0}
}

/* ---------- sections ---------- */
section{padding:clamp(88px,10vw,136px) 0}
section.tight{padding:clamp(64px,7vw,96px) 0}
.bg-2{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:clamp(40px,5vw,64px);max-width:64ch}
.sec-head h2{margin-bottom:18px}
.sec-head p{color:var(--body);max-width:58ch;font-size:1.02rem}

/* quiet column grids — no boxes */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(36px,4vw,56px)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(36px,4vw,56px)}
@media(max-width:920px){.grid-3,.grid-2{grid-template-columns:1fr;gap:32px}}
.cell{border-top:1px solid var(--line-2);padding-top:22px}
.cell h3{margin-bottom:10px;font-size:1rem}
.cell p{margin:0;color:var(--body);font-size:.92rem}
.cell .num{font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;color:var(--accent);display:block;margin-bottom:16px}

/* product cards */
.prod{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,5vw,72px)}
.prod-card.wide{grid-column:1/-1;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(32px,4vw,56px);align-items:center}
@media(max-width:920px){.prod-card.wide{grid-template-columns:1fr}}
@media(max-width:920px){.prod{grid-template-columns:1fr}}
.prod-card{border-top:1px solid var(--line-2);padding-top:26px;display:flex;flex-direction:column}
.prod-card .tag{font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.prod-card h3{font-family:var(--serif);font-weight:400;font-size:1.7rem;margin:14px 0 4px}
.prod-card .sub{color:var(--accent);font-family:var(--mono);font-size:.85rem;letter-spacing:.03em;margin-bottom:20px}
.prod-card figure{margin:26px 0 20px}
.prod-card figure img{width:100%;background:#fff;border:1px solid var(--line)}
.prod-card ul{margin:0 0 24px;padding:0;list-style:none}
.prod-card li{display:flex;gap:12px;font-size:.92rem;color:var(--body);padding:8px 0;border-bottom:1px solid var(--line)}
.prod-card li::before{content:"";width:4px;height:4px;background:var(--accent);flex:none;margin-top:12px}
.prod-card .more{margin-top:auto;font-size:.85rem;font-weight:600;color:var(--ink);letter-spacing:.04em;text-transform:uppercase}
.prod-card .more:hover{color:var(--accent)}

/* application list */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(28px,3vw,44px) clamp(20px,2.5vw,36px)}
@media(max-width:1000px){.apps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.apps{grid-template-columns:1fr}}
.app{border-top:1px solid var(--line-2);padding-top:16px}
.app h4{font-size:.95rem;margin-bottom:6px;color:var(--ink)}
.app p{margin:0;font-size:.85rem;color:var(--muted);line-height:1.6}

/* spec table */
.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th,.tbl td{text-align:left;padding:14px 16px 14px 0;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);font-weight:400;border-bottom-color:var(--line-2)}
.tbl td:first-child{color:var(--ink);font-weight:500;width:34%}
.tbl tr:last-child td{border-bottom:0}

/* steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(32px,4vw,52px)}
@media(max-width:920px){.steps{grid-template-columns:1fr;gap:28px}}
.step{counter-increment:s;border-top:1px solid var(--line-2);padding-top:18px}
.step::before{content:"0" counter(s);font-family:var(--mono);font-size:.62rem;letter-spacing:.2em;color:var(--accent);display:block;margin-bottom:12px}
.step h4{font-size:1rem;margin-bottom:8px}
.step p{margin:0;font-size:.9rem;color:var(--body)}

/* quote / proof */
.proof{border-left:1px solid var(--accent);padding:4px 0 4px 28px;max-width:58ch}
.proof p{font-family:var(--serif);font-size:1.25rem;color:var(--ink);line-height:1.55;margin-bottom:12px}
.proof cite{font-style:normal;font-family:var(--mono);font-size:.7rem;letter-spacing:.14em;color:var(--muted);text-transform:uppercase}

/* notice */
.notice{border:1px solid var(--line);background:var(--paper-2);padding:26px 28px;font-size:.9rem;color:var(--body)}
.notice strong{display:block;color:var(--ink);margin-bottom:8px;font-size:.95rem}

/* cta band */
.cta-band{background:var(--dark);color:#b9bcc2;padding:clamp(88px,10vw,128px) 0}
.cta-band h2{color:#f5f3ef;max-width:26ch;margin-bottom:20px}
.cta-band p{color:#8a8e94;max-width:52ch;margin:0 0 36px}
.cta-band .eyebrow{color:var(--accent-soft)}

/* footer */
.site-footer{background:var(--dark);color:#8a8e94;padding:72px 0 36px;font-size:.85rem}
.site-footer .brand{color:#F4F7FB}
.site-footer .brand .brand-w small{color:#6e7f8c}
.foot-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.3fr;gap:40px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
.site-footer h5{font-size:.62rem;font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;color:#6e7176;margin:0 0 16px}
.site-footer a:hover{color:#f5f3ef}
.site-footer li{margin:0 0 9px;list-style:none}
.site-footer ul{padding:0;margin:0}
.foot-desc{color:#8a8e94;max-width:26ch;margin-top:16px!important}
.foot-bot{border-top:1px solid #303237;margin-top:48px;padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.75rem;color:#6e7176}

/* mpa-style tech row */
.tech-row{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(28px,4vw,56px);padding:clamp(48px,6vw,80px) 0}
@media(max-width:860px){.tech-row{grid-template-columns:1fr}}
.tech{border-top:3px solid var(--accent);padding-top:22px}
.tech .t-icon{width:44px;height:44px;margin-bottom:18px}
.tech .t-icon *{stroke:var(--ink-2)}
.tech .t-icon .fill{fill:var(--accent);stroke:none}
.tech h3{font-size:1.25rem;margin-bottom:10px;text-transform:uppercase;letter-spacing:.02em}
.tech p{font-size:.95rem;margin:0}
.tech a{display:inline-block;margin-top:14px;font-size:.82rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);font-weight:600;border-bottom:1px solid var(--line-2);padding-bottom:3px}
.tech a:hover{border-color:var(--accent)}

/* mpa-style category cards */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.5vw,32px)}
@media(max-width:860px){.cat-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.cat-grid{grid-template-columns:1fr}}
.cat{position:relative;display:block;min-height:230px;background:var(--ink-2);overflow:hidden}
.cat img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;transition:opacity .25s,transform .4s}
.cat:hover img{opacity:.4;transform:scale(1.04)}
.cat .cat-body{position:relative;z-index:2;padding:26px 24px;display:flex;flex-direction:column;height:100%;min-height:230px;box-sizing:border-box}
.cat h3{color:#fff;font-size:1.3rem;text-transform:uppercase;letter-spacing:.02em}
.cat p{color:#c4cdd8;font-size:.9rem;margin:8px 0 0;max-width:26ch}
.cat .cat-link{margin-top:auto;color:#fff;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600}
.cat .cat-link span{color:var(--accent-soft)}

/* certification chips strip */
.badge-strip{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.badge-strip .chip{border:1px solid var(--line-2);padding:10px 18px;font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}

/* gallery */
.gal{display:grid;grid-template-columns:1fr 1fr;gap:clamp(20px,3vw,40px)}
@media(max-width:700px){.gal{grid-template-columns:1fr}}
.gal img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block}
.gal figcaption{font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:var(--muted);margin-top:10px}

/* content pages */
.page-head{padding:clamp(72px,8vw,110px) 0 clamp(40px,4vw,56px)}
.page-head h1{font-size:clamp(2rem,3.8vw,2.9rem);max-width:24ch}
.page-head p{margin:22px 0 0;max-width:58ch;font-size:1.08rem;color:var(--body)}
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(48px,6vw,88px)}
@media(max-width:920px){.two-col{grid-template-columns:1fr;gap:36px}}
.aside{border-left:1px solid var(--line-2);padding-left:clamp(24px,3vw,40px)}
@media(max-width:920px){.aside{border-left:0;border-top:1px solid var(--line-2);padding-left:0;padding-top:28px}}

/* form */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
label{display:block;font-size:.66rem;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
input,select,textarea{
  width:100%;padding:13px 14px;border:1px solid var(--line-2);background:#fff;
  font-family:var(--font);font-size:.95rem;color:var(--ink);border-radius:0;
}
input:focus,select:focus,textarea:focus{outline:1px solid var(--ink);outline-offset:-1px}
textarea{min-height:140px;resize:vertical}
.field{margin-bottom:22px}
.form-note{font-size:.82rem;color:var(--muted);margin-top:16px}

.contact-list{list-style:none;padding:0;margin:0}
.contact-list li{padding:18px 0;border-bottom:1px solid var(--line)}
.contact-list .k{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:6px}
.contact-list .v{font-size:1rem;color:var(--ink)}
.contact-list a:hover{color:var(--accent)}

.anchor-offset{scroll-margin-top:96px}

/* video */
.video-frame{margin:0}
.video-frame video{width:100%;background:#0c0d10;display:block}
.video-frame.portrait{max-width:340px}
.video-frame.portrait video{aspect-ratio:9/16;object-fit:cover;border:1px solid var(--line-2)}
.video-frame.landscape video{aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line-2)}
@media(max-width:920px){.video-frame.portrait{max-width:300px}}

/* language switch */
.lang{font-size:.78rem;letter-spacing:.06em;color:var(--body);border:1px solid var(--line-2);padding:5px 10px;line-height:1;text-decoration:none;margin-left:4px}
.lang:hover{color:var(--ink);border-color:var(--ink)}
@media(max-width:920px){.lang{margin:10px 0 0;align-self:flex-start}}

/* misc */
figure.plain{margin:0}
figure.plain img{border:1px solid var(--line);background:#fff}
.link-arrow{font-size:.85rem;font-weight:600;color:var(--ink);letter-spacing:.04em;text-transform:uppercase}
.link-arrow:hover{color:var(--accent)}


/* WhatsApp click-to-chat */
.wa-link{color:var(--ink);text-decoration:none}
.wa-link:hover{color:#128C7E}
.wa-cta{display:inline-block;margin-left:8px;font-family:var(--mono);font-size:.6rem;letter-spacing:.14em;
  text-transform:uppercase;color:#128C7E;border:1px solid #128C7E44;padding:3px 8px;border-radius:3px;vertical-align:2px}
.wa-fab{position:fixed;right:22px;bottom:88px;z-index:60;display:flex;align-items:center;gap:0;
  width:52px;height:52px;border-radius:50%;background:#25D366;color:#fff;text-decoration:none;
  box-shadow:0 6px 20px rgba(18,140,126,.35);transition:width .18s ease,background .15s ease;overflow:hidden}
.wa-fab:hover{background:#1ebe57;width:auto;padding:0 18px 0 14px;border-radius:26px}
.wa-fab svg{flex:0 0 28px;margin:0 12px}
.wa-fab .wa-fab-tip{white-space:nowrap;font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;
  text-transform:uppercase;opacity:0;max-width:0;transition:opacity .18s ease .05s,max-width .18s ease .05s}
.wa-fab:hover .wa-fab-tip{opacity:1;max-width:160px}
@media(max-width:920px){.wa-fab{right:14px;bottom:80px;width:48px;height:48px}.wa-fab svg{flex:0 0 24px;margin:0 12px}}
@media print{.wa-fab{display:none}}

.hp-field{position:absolute;left:-9999px;top:0;width:1px;height:1px;overflow:hidden}
.form-status{font-size:.85rem;line-height:1.6;margin:14px 0 0;min-height:1.2em}
.form-status.is-ok{color:#0A5C36}
.form-status.is-err{color:#A32D2D}
.form-status.is-info{color:var(--muted)}
form button[disabled]{opacity:.55;cursor:default}

/* ---------- GEO: answer-first summary (TL;DR) ---------- */
.tldr{margin:26px 0 0;padding:18px 22px 18px 24px;border-left:3px solid var(--accent);
  background:#EAF2ED;max-width:64ch}
.tldr-label{display:block;font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--accent);margin-bottom:7px}
.tldr p{margin:0;font-size:.97rem;line-height:1.7;color:var(--ink-2)}
@media(max-width:640px){.tldr{padding:16px 18px 16px 18px}}

/* ---------- GEO: FAQ ---------- */
.faq{max-width:78ch;border-top:1px solid var(--line-2)}
.faq details{border-bottom:1px solid var(--line-2)}
.faq summary{display:flex;align-items:flex-start;gap:14px;cursor:pointer;list-style:none;
  padding:20px 0;color:var(--ink);font-weight:500;font-size:1.02rem;line-height:1.45;
  transition:color .15s ease}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";flex:0 0 16px;font-family:var(--mono);font-size:1rem;
  line-height:1.4;color:var(--accent);transition:transform .2s ease}
.faq details[open] summary::before{content:"−"}
.faq summary:hover{color:var(--accent)}
.faq .faq-a{padding:0 0 22px 30px;margin-top:-4px}
.faq .faq-a p{margin:0;font-size:.95rem;line-height:1.72;color:var(--body)}
@media(max-width:640px){.faq .faq-a{padding-left:30px}}
.geo-top{padding:clamp(36px,5vw,56px) 0 0}
.geo-top .tldr{margin-top:0}