/* Layout: engineering-firm index. White paper, navy ink, hairline rules, service list as a register of rows; the brand's diagonal S cropped huge as the only graphic */
:root{
  --ink:#001233; --ink-2:#001845; --deep:#000814; --blue:#0353a4; --signal:#ffc300;
  --paper:#ffffff; --paper-2:#f1f3f7; --text:#0f1b30; --muted:#56627a; --rule:#d9dee8; --link:#0353a4;
  --on-ink:#f2f5fb; --on-ink-muted:#9fadc8; --rule-ink:#1c3360;
  --display:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Montserrat",system-ui,-apple-system,"Segoe UI",sans-serif;
  --max:1200px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#000d22; --paper-2:#00142f; --text:#e9eef8; --muted:#a4b0c8; --rule:#1d3053; --link:#79b2ff; color-scheme:dark}}
:root[data-theme="dark"]{--paper:#000d22; --paper-2:#00142f; --text:#e9eef8; --muted:#a4b0c8; --rule:#1d3053; --link:#79b2ff; color-scheme:dark}

*{box-sizing:border-box}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--body);font-size:17px;line-height:1.62}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--paper)}
a{color:var(--link)}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);line-height:1.04;text-wrap:balance;margin:0;font-weight:800}
h1{font-size:clamp(2.4rem,6.4vw,5rem);letter-spacing:-.02em}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:-.01em}
h3{font-size:1.25rem;font-weight:700}
p{margin:0}
.label{font-size:.76rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
:focus-visible{outline:3px solid var(--signal);outline-offset:2px}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--paper);border-bottom:1px solid var(--rule)}
.top .wrap{position:relative;display:flex;align-items:center;gap:24px;padding-block:16px}
.brand{display:flex;flex-direction:column;color:var(--ink);text-decoration:none;line-height:1}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .brand{color:#fff}}
:root[data-theme="dark"] .brand{color:#fff}
.brand svg{height:24px;width:auto;display:block}
.brand small{font-size:.48rem;letter-spacing:.52em;margin-top:6px;white-space:nowrap;opacity:.75}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{color:var(--text);text-decoration:none;font-size:.88rem;font-weight:600;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="page"]{border-bottom-color:var(--signal)}
.nav .tel{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:500}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--body);font-weight:700;font-size:.95rem;text-decoration:none;border:0;cursor:pointer;padding:15px 22px;border-radius:2px;transition:background .15s}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--blue)}
.btn-signal{background:var(--signal);color:var(--ink)}
.btn-signal:hover{background:#ffd60a}
.btn-line{color:var(--text);box-shadow:inset 0 0 0 1.5px var(--text);background:transparent}
.btn-line:hover{background:var(--paper-2)}
.nav .btn{padding:10px 16px;font-size:.85rem;border-bottom:0}
.menu-toggle{display:none;margin-left:auto;background:none;border:1.5px solid var(--text);color:var(--text);padding:8px 14px;font:600 .85rem var(--body);border-radius:2px}
@media (max-width:1360px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);flex-direction:column;align-items:stretch;gap:0;padding:4px max(16px,env(safe-area-inset-right,0px)) 18px max(16px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--rule)}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--rule)}
  .nav .btn{margin-top:12px;justify-content:center}
}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--rule)}
.hero .wrap{position:relative;z-index:1;padding-block:88px 72px;display:grid;gap:28px}
.hero h1{max-width:13ch}
.hero h1 span{display:block;color:var(--blue)}
.hero .lead{font-size:1.18rem;color:var(--muted);max-width:52ch}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.hero .facts{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:20px;font-size:.88rem;color:var(--muted)}
.hero .facts b{color:var(--text)}
.mark{position:absolute;right:-6%;top:50%;transform:translateY(-50%);width:min(58vw,760px);color:var(--ink);opacity:.07;pointer-events:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .mark{color:#4a86d9;opacity:.12}}
:root[data-theme="dark"] .mark{color:#4a86d9;opacity:.12}
.hero-sm .wrap{padding-block:64px 52px}
.hero-sm h1{font-size:clamp(2rem,5vw,3.6rem);max-width:18ch}
.crumbs{font-size:.84rem;color:var(--muted)}
.crumbs a{color:var(--muted)}

/* sections */
section.s{padding-block:84px}
section.s.tight{padding-top:0}
.head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);gap:24px 56px;align-items:end;margin-bottom:44px}
.head p{color:var(--muted)}
@media (max-width:860px){.head{grid-template-columns:1fr}}

/* register of services */
.register{border-top:2px solid var(--text)}
.row{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1.6fr) 150px 28px;gap:24px;align-items:baseline;padding-block:26px;border-bottom:1px solid var(--rule);color:inherit;text-decoration:none;transition:background .15s, padding .15s}
.row:hover{background:var(--paper-2);padding-inline:14px}
.row h3{font-size:clamp(1.25rem,2.2vw,1.6rem)}
.row p{color:var(--muted);font-size:.98rem}
.row .type{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.row .type.rec{color:var(--blue)}
.row .arrow{font-size:1.3rem;color:var(--muted);justify-self:end}
@media (max-width:760px){.row{grid-template-columns:1fr 28px;gap:6px 12px}.row p,.row .type{grid-column:1}.row .arrow{grid-row:1;grid-column:2}}

/* ink band */
.ink{background:var(--ink);color:var(--on-ink)}
.ink p{color:var(--on-ink-muted)}
.ink .label{color:var(--signal)}
.ink .wrap{padding-block:88px}
.statement{font-family:var(--display);font-weight:700;font-size:clamp(1.6rem,3.6vw,2.7rem);line-height:1.15;max-width:24ch;color:#fff;text-wrap:balance}
.cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;margin-top:56px;border-top:1px solid var(--rule-ink);padding-top:32px}
.cols h3{color:#fff;font-size:1.05rem;margin-bottom:8px}
@media (max-width:860px){.cols{grid-template-columns:1fr}}

/* figures */
.figures{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--text)}
.figures div{padding:24px 20px 6px 0}
.figures b{display:block;font-family:var(--display);font-size:clamp(2rem,4vw,3rem);line-height:1;font-variant-numeric:tabular-nums}
.figures span{display:block;margin-top:8px;font-size:.9rem;color:var(--muted);max-width:22ch}
@media (max-width:760px){.figures{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* clients */
.clients{display:flex;flex-wrap:wrap;gap:12px 48px;align-items:baseline;font-family:var(--display);font-weight:800;font-size:clamp(1.6rem,3.4vw,2.4rem);color:var(--text)}
.clients span:nth-child(even){color:var(--muted)}

/* two-column text */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:56px}
@media (max-width:860px){.split{grid-template-columns:1fr;gap:28px}}
.prose{display:grid;gap:18px;max-width:62ch}
.prose p{color:var(--muted)}
.list{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.list li{padding:16px 0;border-bottom:1px solid var(--rule);display:grid;gap:4px}
.list li b{font-weight:700}
.list li span{color:var(--muted);font-size:.95rem}
.ink .list{border-color:var(--rule-ink)}.ink .list li{border-color:var(--rule-ink)}.ink .list li span{color:var(--on-ink-muted)}

/* process */
.process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:2px solid var(--text);counter-reset:p;list-style:none;padding:0;margin:0}
.process li{padding:22px 24px 0 0;counter-increment:p}
.process li::before{content:counter(p);font-family:var(--display);font-weight:800;font-size:2.2rem;color:var(--signal);-webkit-text-stroke:1px var(--ink);display:block;line-height:1;margin-bottom:12px}
.process p{color:var(--muted);font-size:.95rem;margin-top:6px}
@media (max-width:860px){.process{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px}}
@media (max-width:520px){.process{grid-template-columns:1fr}}

/* simulator */
.sim{border:2px solid var(--text);padding:28px;display:grid;gap:18px}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.88rem}
.field input,.field select{font:inherit;padding:13px 14px;border:1.5px solid var(--rule);border-radius:2px;background:var(--paper);color:var(--text);width:100%}
.field input:focus,.field select:focus{border-color:var(--blue);outline:none}
.sim-out{border-top:1px solid var(--rule);padding-top:16px}
.sim-out b{display:block;font-family:var(--display);font-size:2.4rem;line-height:1.1;font-variant-numeric:tabular-nums}
.sim-out span{color:var(--muted);font-size:.9rem}
.note{font-size:.84rem;color:var(--muted)}

/* faq */
.faq{border-top:2px solid var(--text);max-width:860px}
.faq details{border-bottom:1px solid var(--rule);padding:20px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:1.05rem;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";font-weight:400;font-size:1.4rem;line-height:1;color:var(--muted)}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);margin-top:10px;max-width:64ch}

/* contact */
.contact{background:var(--paper-2);border-top:1px solid var(--rule)}
.contact .wrap{padding-block:84px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:56px}
@media (max-width:860px){.contact .wrap{grid-template-columns:1fr}}
.contact .prose p{color:var(--muted)}
.lines{display:grid;gap:14px;margin-top:10px}
.lines div{display:grid;gap:2px}
.lines span{font-size:1.1rem;font-weight:600;user-select:all;font-variant-numeric:tabular-nums}
.form{display:grid;gap:16px;background:var(--paper);padding:28px;border:1px solid var(--rule)}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){.form .two{grid-template-columns:1fr}}
.form-ok{border-left:3px solid #1f9d55;padding:10px 14px;background:var(--paper-2);font-size:.94rem}
.form-ok a{font-weight:700}

/* cities */
.cities{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:2px solid var(--text)}
.cities a{padding:24px 24px 24px 0;color:inherit;text-decoration:none;display:grid;gap:6px;border-right:1px solid var(--rule)}
.cities a:last-child{border-right:0}
.cities a:not(:first-child){padding-left:24px}
.cities b{font-family:var(--display);font-size:1.5rem}
.cities span{color:var(--muted);font-size:.95rem}
.cities a:hover b{color:var(--blue)}
@media (max-width:760px){.cities{grid-template-columns:1fr}.cities a{border-right:0;border-bottom:1px solid var(--rule);padding-left:0!important}}

/* footer */
footer{background:var(--deep);color:#a8b5cf;font-size:.9rem}
footer .wrap{padding-block:56px 32px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
footer .brand{color:#fff}
footer h4{color:#fff;margin:0 0 12px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
footer a{color:#a8b5cf;text-decoration:none;display:block;padding:4px 0}
footer a:hover{color:#fff}
footer .legal{grid-column:1/-1;border-top:1px solid #16294d;padding-top:20px;font-size:.8rem;color:#73829f}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr 1fr}}
.wa{position:fixed;right:calc(18px + env(safe-area-inset-right,0px));bottom:calc(18px + env(safe-area-inset-bottom,0px));z-index:40;background:#1f9d55;color:#fff;border-radius:2px;padding:12px 16px;font-weight:700;text-decoration:none;font-size:.88rem;box-shadow:0 6px 18px rgba(0,0,0,.18)}
.nav a.btn-ink{color:#fff;border-bottom:0}
.ink .statement{color:#fff}
.prose{align-content:start}
@media (max-width:760px){.mark{width:220px;right:-50px;top:70px;transform:none;opacity:.05}}
/* camera wall test */
.wall-ctrl{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:16px}
.wall-ctrl button{font:600 .9rem var(--body);padding:10px 14px;border:1.5px solid var(--text);background:var(--paper);color:var(--text);border-radius:2px;cursor:pointer}
.wall-ctrl button[aria-pressed="true"]{background:var(--ink);color:#fff;border-color:var(--ink)}
.wall{display:grid;gap:3px;background:var(--deep);padding:3px;aspect-ratio:16/9;max-width:100%}
.cam{background:#0b1d3a;position:relative;cursor:crosshair;min-width:0}
.cam::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 2px,transparent 2px 4px)}
.cam.ev{background:#183a6e}
.cam.ev::before{content:"";position:absolute;left:38%;top:30%;width:24%;height:40%;background:var(--signal);border-radius:40% 40% 10% 10%;opacity:.85}
.cam.hit{outline:2px solid #2bd67b;outline-offset:-2px}
.wall-score{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:14px;font-variant-numeric:tabular-nums}
.wall-score b{font-family:var(--display);font-size:1.6rem}
.bars{display:grid;gap:10px;border-top:2px solid var(--text);padding-top:18px}
.bar{display:grid;grid-template-columns:120px minmax(0,1fr) 52px;gap:12px;align-items:center;font-size:.92rem}
.bar i{display:block;height:14px;background:var(--blue)}
.bar b{font-variant-numeric:tabular-nums;text-align:right}
.vs{display:grid;grid-template-columns:1fr 1fr;border-top:2px solid var(--text)}
.vs > div{padding:24px 24px 24px 0}
.vs > div + div{padding-left:24px;border-left:1px solid var(--rule)}
.vs h3{margin-bottom:12px}
@media (max-width:760px){.vs{grid-template-columns:1fr}.vs > div + div{padding-left:0;border-left:0;border-top:1px solid var(--rule)}}
.src{font-size:.8rem;color:var(--muted);margin-top:14px}
.src a{color:var(--muted)}
/* day / night toggle */
.theme-toggle{order:3;display:inline-flex;border:1.5px solid var(--rule);border-radius:2px;background:transparent;padding:0;cursor:pointer;font:600 .78rem var(--body);overflow:hidden}
.theme-toggle span{padding:7px 10px;color:var(--muted)}
.theme-toggle[aria-pressed="false"] .t-day,.theme-toggle[aria-pressed="true"] .t-night{background:var(--text);color:var(--paper)}
@media (max-width:1360px){.theme-toggle{order:0;margin-left:auto}.menu-toggle{margin-left:0}}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .btn-ink{background:#0466c8}:root:not([data-theme="light"]) .process li::before{-webkit-text-stroke:0}}
:root[data-theme="dark"] .btn-ink{background:#0466c8}
:root[data-theme="dark"] .process li::before{-webkit-text-stroke:0}

.nav a{white-space:nowrap}
.theme-toggle{flex-shrink:0;white-space:nowrap}
.wall-ctrl button[aria-pressed="true"]{background:var(--text);color:var(--paper);border-color:var(--text)}
/* photos */
.photo{margin:0 0 84px;position:relative}
.photo img{display:block;width:100%;height:auto;aspect-ratio:16/8;object-fit:cover}
.photo figcaption{font-size:.84rem;color:var(--muted);margin-top:10px}
.ink .photo figcaption{color:var(--on-ink-muted)}
.ci-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:48px;align-items:center}
.photo.ci{margin:0}.photo.ci img{aspect-ratio:16/10}
@media (max-width:860px){.ci-grid{grid-template-columns:1fr}.photo{margin-bottom:56px}}
/* ROI calculator */
.tabs{display:flex;flex-wrap:wrap;gap:0;border-bottom:2px solid var(--text);margin-bottom:32px}
.tabs button{font:700 .95rem var(--body);background:none;border:0;padding:14px 18px;color:var(--muted);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-2px}
.tabs button[aria-selected="true"]{color:var(--text);border-bottom-color:var(--signal)}
.roi{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
@media (max-width:860px){.roi{grid-template-columns:1fr}}
.roi-in,.roi-in > div{display:grid;gap:18px}
.check{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:.9rem;color:var(--muted);align-items:start}
.check input{margin-top:4px;width:18px;height:18px;accent-color:var(--blue)}
.roi-out{background:var(--ink);color:#fff;padding:28px;display:grid;gap:14px}
.roi-row{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--rule-ink);padding-bottom:12px;color:var(--on-ink-muted)}
.roi-row b{color:#fff;font-variant-numeric:tabular-nums;font-size:1.1rem}
.roi-big{display:grid;gap:4px;padding-block:6px}
.roi-big span{color:var(--on-ink-muted);font-size:.9rem}
.roi-big b{font-family:var(--display);font-size:clamp(2.2rem,5vw,3.2rem);line-height:1;color:var(--signal);font-variant-numeric:tabular-nums}
.roi-big em{font-style:normal;font-weight:700;color:#fff}
.roi-bar{display:grid;gap:6px}
.roi-bar i{display:block;height:10px;background:#5f7396;transition:width .3s}
.roi-bar i + i{background:var(--signal)}
.roi-out .note{color:var(--on-ink-muted)}
[hidden]{display:none!important}
/* official logos */
.brand img{display:block;height:44px;width:auto}
.brand .logo-night{display:none}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .brand .logo-day{display:none}:root:not([data-theme="light"]) .brand .logo-night{display:block}}
:root[data-theme="dark"] .brand .logo-day{display:none}
:root[data-theme="dark"] .brand .logo-night{display:block}
@media (max-width:520px){.brand img{height:36px}}
.foot-logo img{display:block;width:180px;height:auto}
footer .fh{color:#fff;margin:0 0 12px;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;font-family:var(--body);font-weight:700}
.tags{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px}
.tags li{border:1.5px solid var(--rule);padding:10px 16px;font-weight:600;font-size:.94rem}
/* header fit */
.brand{flex-shrink:0}
.nav{gap:18px}
.theme-m{display:none}
@media (max-width:1240px){
  .menu-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);flex-direction:column;align-items:stretch;gap:0;padding:4px max(16px,env(safe-area-inset-right,0px)) 18px max(16px,env(safe-area-inset-left,0px));border-bottom:1px solid var(--rule)}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--rule)}
  .nav .btn{margin-top:12px;justify-content:center}
  #theme-toggle{order:0;margin-left:auto}
  .menu-toggle{margin-left:0}
}
@media (max-width:560px){
  #theme-toggle{display:none}
  .menu-toggle{margin-left:auto}
  .theme-m{display:inline-flex;align-self:flex-start;margin-top:14px}
  .top .wrap{gap:12px}
  .brand img{height:32px}
}
.lines span.label{font-size:.74rem;font-weight:700;letter-spacing:.16em;color:var(--muted)}
footer .wrap{padding-bottom:84px}
.also{margin-top:22px;color:var(--muted);font-size:.95rem;max-width:80ch}
.also b{color:var(--text)}
.clientlist{list-style:none;margin:0;padding:24px 0 0;border-top:2px solid var(--text);display:flex;flex-wrap:wrap;gap:10px 34px;font-family:var(--display);font-weight:800;font-size:clamp(1.15rem,2.2vw,1.55rem)}
.clientlist li:nth-child(3n+2){color:var(--muted)}
.brandlist{list-style:none;margin:0;padding:22px 0 0;border-top:1px solid var(--rule);display:flex;flex-wrap:wrap;gap:8px 28px;font-weight:700;color:var(--muted);font-size:1.05rem}
.values{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px;border-top:2px solid var(--text);counter-reset:v}
.values li{padding:22px 0;border-bottom:1px solid var(--rule);counter-increment:v;display:grid;grid-template-columns:44px 1fr;gap:4px 12px}
.values li::before{content:counter(v);grid-row:1/3;font-family:var(--display);font-weight:800;font-size:1.6rem;color:var(--blue);line-height:1.1}
.values p{color:var(--muted);font-size:.96rem}
@media (max-width:760px){.values{grid-template-columns:1fr}}
.selos{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.selos li{background:#fff;border:1px solid var(--rule);display:grid;place-items:center;padding:14px;aspect-ratio:5/4}
.selos img{width:100%;max-width:120px;height:auto}
.wrap > .selos{grid-template-columns:repeat(6,minmax(0,1fr))}
@media (max-width:760px){.wrap > .selos{grid-template-columns:repeat(3,minmax(0,1fr))}}
/* ===== Mobile refinements ===== */
.mbar,.roi-peek{display:none}
.menu-toggle{min-height:44px;min-width:64px}
.faq summary{min-height:44px;align-items:center}
.tabs button{min-height:48px}
.check input{width:22px;height:22px}
.label{font-size:max(.76rem,12px)}
.cam{min-width:0;min-height:0}
@media (max-width:760px){
  section.s{padding-block:60px}
  section.s.tight{padding-top:0}
  .hero .wrap{padding-block:48px 44px}
  .hero-sm .wrap{padding-block:40px 36px}
  h1{font-size:clamp(2rem,9vw,2.6rem)}
  .hero-sm h1{font-size:clamp(1.8rem,8vw,2.3rem)}
  .hero .actions .btn{flex:1 1 100%;justify-content:center}
  .head{margin-bottom:28px}
  .ink .wrap{padding-block:60px}
  .statement{font-size:clamp(1.4rem,6.4vw,1.9rem)}
  .contact .wrap{padding-block:60px;gap:32px}
  .form{padding:20px}
  .sim,.roi-out{padding:20px}
  .photo{margin-bottom:48px}
  .photo img{aspect-ratio:4/3}
  .figures div{padding-right:12px}
  .clientlist{gap:8px 22px}
  .selos{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .selos li{padding:8px}
  /* tabs scroll sideways instead of wrapping */
  .tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .tabs::-webkit-scrollbar{display:none}
  .tabs button{white-space:nowrap;flex:0 0 auto;padding:12px 14px}
  /* camera test */
  .wall{aspect-ratio:auto}
  .cam{aspect-ratio:4/3}
  .wall-ctrl button{min-height:44px}
  #wall-start{margin-left:0!important;flex:1 1 100%}
  /* calculator sticky summary */
  .roi-peek{display:flex;position:sticky;bottom:calc(64px + env(safe-area-inset-bottom,0px));z-index:30;justify-content:space-between;align-items:center;gap:12px;background:var(--ink);color:#fff;text-decoration:none;padding:12px 16px;margin-top:8px;box-shadow:0 -6px 18px rgba(0,0,0,.18)}
  .roi-peek span{font-size:.85rem;color:var(--on-ink-muted)}
  .roi-peek b{color:var(--signal);font-size:1.25rem;font-variant-numeric:tabular-nums}
  /* bottom contact bar replaces the floating button */
  .wa{display:none}
  .mbar{display:grid;grid-template-columns:1.4fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:45;background:var(--paper);border-top:1px solid var(--rule);gap:8px;padding:8px max(12px,env(safe-area-inset-right,0px)) calc(8px + env(safe-area-inset-bottom,0px)) max(12px,env(safe-area-inset-left,0px))}
  .mbar a{display:flex;align-items:center;justify-content:center;min-height:48px;font-weight:700;text-decoration:none;border-radius:2px;font-size:.95rem}
  .mbar-cta{background:var(--ink);color:#fff}
  .mbar-wa{background:#1f9d55;color:#fff}
  body{padding-bottom:calc(66px + env(safe-area-inset-bottom,0px))}
  footer .wrap{padding-bottom:32px}
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .mbar-cta{background:#0466c8}}
:root[data-theme="dark"] .mbar-cta{background:#0466c8}
@media (max-width:400px){
  .figures{grid-template-columns:1fr 1fr}
  .figures b{font-size:1.8rem}
  footer .wrap{grid-template-columns:1fr}
}
[id]{scroll-margin-top:84px}
/* logo grids */
.logos{list-style:none;margin:0;padding:24px 0 0;display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;border-top:2px solid var(--text)}
.logos.brands{border-top:1px solid var(--rule)}
.logos li{display:grid;place-items:center;height:92px;padding:14px 18px;background:var(--paper-2)}
.logos img{max-width:100%;max-height:52px;width:auto;height:auto;object-fit:contain;filter:grayscale(1);opacity:.78;transition:filter .2s,opacity .2s}
.logos li:hover img{filter:none;opacity:1}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .logos li{background:#e9eef8}}
:root[data-theme="dark"] .logos li{background:#e9eef8}
@media (max-width:900px){.logos{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (max-width:560px){.logos{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.logos li{height:72px;padding:10px}.logos img{max-height:40px}}
/* seals: transparent, uniform frame */
.selos li{background:none!important;border:0!important;padding:4px!important;aspect-ratio:auto!important}
.selos img{max-width:none;width:auto;height:112px;object-fit:contain}
.selos{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 12px;align-items:center;justify-items:center}
.wrap > .selos{grid-template-columns:repeat(6,minmax(0,1fr))}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .selos img{background:rgba(255,255,255,.92);border-radius:16px;padding:8px}}
:root[data-theme="dark"] .selos img{background:rgba(255,255,255,.92);border-radius:16px;padding:8px}
@media (max-width:760px){.selos img{height:86px}.wrap > .selos{grid-template-columns:repeat(3,minmax(0,1fr))}}
.logos{align-items:start}.logos li{align-self:start;margin:0}
/* brand alignment: manual's free typeface + blue photo treatment */
h1,h2{font-weight:800;letter-spacing:-.025em}
h1{letter-spacing:-.03em}
.photo{display:grid}
.photo img{grid-area:1/1}
.photo::before{content:"";grid-area:1/1;z-index:1;pointer-events:none;background:linear-gradient(135deg,rgba(0,18,51,.42) 0%,rgba(3,83,164,.18) 55%,rgba(4,102,200,.05) 100%);mix-blend-mode:multiply}
.photo figcaption{grid-row:2}
/* tech hero */
.hero-tech{background:radial-gradient(1200px 520px at 85% 20%,rgba(4,102,200,.35),transparent 60%),linear-gradient(160deg,#000814 0%,#001233 55%,#001d3d 100%);color:#fff;border-bottom:0}
.hero-tech::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(151,157,172,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(151,157,172,.09) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 45%,#000 100%);mask-image:linear-gradient(90deg,transparent 0%,#000 45%,#000 100%);pointer-events:none}
.hero-tech .mark{color:#0466c8;opacity:.16}
.hero-tech .label{color:var(--signal)}
.hero-tech h1{color:#fff}
.hero-tech h1 span{color:var(--signal)}
.hero-tech .lead{color:#b8c6e2}
.hero-tech .btn-ink{background:var(--signal);color:var(--ink)}
.hero-tech .btn-ink:hover{background:#ffd60a}
.hero-tech .btn-line{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.55)}
.hero-tech .btn-line:hover{background:rgba(255,255,255,.08)}
.hero-tech .facts{color:#9fb0d0}
.hero-tech .facts b{color:#fff}
.stack{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.stack li{font-size:.84rem;font-weight:600;color:#dbe6ff;border:1px solid rgba(219,230,255,.25);background:rgba(4,102,200,.12);padding:7px 12px;border-radius:999px}
.stack li::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#2bd67b;margin-right:8px;vertical-align:middle;box-shadow:0 0 0 3px rgba(43,214,123,.18)}
.hero-tech h1{font-size:clamp(2.2rem,4.6vw,4rem);max-width:17ch}
@media (max-width:760px){.hero-tech .label{font-size:.7rem;letter-spacing:.12em}}
/* quiz */
.quiz{border:2px solid var(--text);padding:28px;display:grid;gap:18px;background:var(--paper)}
.quiz-bar{height:6px;background:var(--rule)}
.quiz-bar i{display:block;height:100%;width:0;background:var(--signal);transition:width .3s}
.quiz-step{font-size:.82rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.quiz fieldset{border:0;margin:0;padding:0;display:grid;gap:10px}
.quiz legend{font-weight:800;font-size:1.25rem;margin-bottom:12px;padding:0}
.quiz legend small{display:block;font-weight:500;font-size:.85rem;color:var(--muted);margin-top:4px}
.quiz label{display:flex;gap:12px;align-items:center;min-height:52px;padding:12px 16px;border:1.5px solid var(--rule);cursor:pointer;font-weight:600;transition:border-color .15s,background .15s}
.quiz label:hover{border-color:var(--blue)}
.quiz label:has(input:checked){border-color:var(--blue);background:color-mix(in srgb,var(--blue) 8%,transparent)}
.quiz input[type=radio],.quiz input[type=checkbox]{width:20px;height:20px;accent-color:var(--blue);flex:0 0 auto}
.quiz .field label{display:block;min-height:0;padding:0;border:0;font-weight:600}
.quiz-nav{display:flex;gap:10px;justify-content:space-between}
.quiz-nav .btn{justify-content:center;flex:1}
.quiz-rec{list-style:none;margin:0 0 6px;padding:0;display:grid;gap:8px}
.quiz-rec a{display:grid;gap:2px;padding:14px 16px;background:var(--ink);color:#fff;text-decoration:none}
.quiz-rec a span{color:var(--on-ink-muted);font-size:.92rem}
.quiz-rec a b::after{content:" →";color:var(--signal)}
.logos li.logo-text{font-weight:800;font-size:1.35rem;color:#5f6b80;letter-spacing:.02em}
@media (max-width:760px){.quiz{padding:18px}}
/* tecnologia */
footer .wrap{grid-template-columns:1.4fr repeat(4,minmax(0,1fr))}
@media (max-width:1000px){footer .wrap{grid-template-columns:1fr 1fr 1fr}}
@media (max-width:760px){footer .wrap{grid-template-columns:1fr 1fr}}
.prods{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.prod{display:grid;align-content:start;gap:10px;padding:26px 22px;border:1.5px solid var(--rule);border-top:4px solid var(--blue);color:var(--text);text-decoration:none;background:var(--paper);transition:border-color .15s,transform .15s}
.prod:hover{border-color:var(--blue);transform:translateY(-2px)}
.prod h3{font-size:1.45rem;margin:0}
.prod p{color:var(--muted);font-size:.95rem;margin:0}
.prod > b{margin-top:6px;color:var(--link);font-size:.95rem}
.prod > b::after{content:" →"}
.prod .label{margin:0}
.mods{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:2px solid var(--text)}
.mods li{padding:22px 24px 22px 0;border-bottom:1px solid var(--rule)}
.mods h4{margin:0 0 8px;font-size:1.08rem}
.mods p{margin:0;color:var(--muted);font-size:.95rem}
.figures-sm{grid-template-columns:repeat(2,minmax(0,1fr))}
.figures-sm b{font-size:clamp(1.7rem,3vw,2.3rem)}
.process-ink{grid-template-columns:repeat(2,minmax(0,1fr));border-color:var(--rule-ink);row-gap:24px}
.process-ink h3{color:#fff}
.process-ink p{color:var(--on-ink-muted)}
.process-ink li::before{-webkit-text-stroke:0}
@media (max-width:1000px){.prods{grid-template-columns:1fr 1fr}.mods{grid-template-columns:1fr 1fr}}
@media (max-width:760px){.prods,.mods{grid-template-columns:1fr}.mods li{padding-right:0}.process-ink{grid-template-columns:1fr}}
@media (min-width:1361px){.nav{gap:13px}}
div.prod:hover{transform:none;border-color:var(--rule);border-top-color:var(--blue)}
@media (max-width:760px){.prods[style]{grid-template-columns:1fr!important}}