@font-face{font-family:"Archivo";src:url(/assets/fonts/archivo-wdth.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap}
@font-face{font-family:"Plex Mono";src:url(/assets/fonts/plex-mono-400.woff2) format("woff2");font-weight:400;font-display:swap}

:root{
  --blue:#1A6FB0;      /* page ground and buttons: the logo blue, darkened for readable white text */
  --blue-deep:#155A8F;
  --sky:#5AA9E0;       /* blue on dark backgrounds */
  --ink:#24282C;       /* dark sections and text */
  --char:#3A3F44;      /* logo charcoal */
  --mid:#5B6369;       /* secondary text */
  --line:#D5DBDF;      /* hairlines */
  --paper:#F1F4F6;     /* tinted section */
  --white:#fff;
  --mono:"Plex Mono",ui-monospace,Consolas,monospace;
  --sans:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:60px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font:400 1.0625rem/1.6 var(--sans)}
img,svg{display:block;max-width:100%;height:auto}
h1,h2,h3,p,ul,ol,dl,dd,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px}

.wrap{width:100%;max-width:1160px;margin-inline:auto;padding-inline:20px}
.skip{position:absolute;left:-999px;top:8px;background:var(--white);padding:8px 12px;z-index:20}
.skip:focus{left:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 22px;border:2px solid transparent;font:600 1rem/1 var(--sans);font-stretch:110%;text-decoration:none;cursor:pointer;transition:background-color .15s,color .15s}
.btn--sm{min-height:40px;padding:0 14px;font-size:.9375rem}
.btn--blue{background:var(--blue);color:var(--white)}
.btn--blue:hover{background:var(--blue-deep)}
.btn--white{background:var(--white);color:var(--blue-deep)}
.btn--white:hover{background:var(--paper)}
.btn--line{border-color:var(--white);color:var(--white)}
.btn--line:hover{background:var(--white);color:var(--blue-deep)}

/* Top bar */
.bar{position:sticky;top:0;z-index:10;background:var(--white);border-bottom:1px solid var(--line)}
.bar__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
.bar__logo img{width:132px;height:auto}
.bar__act{display:flex;align-items:center;gap:8px}
.bar__call{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:2px solid var(--blue);color:var(--blue)}
.bar__call svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linejoin:round}
.bar__call:hover{background:var(--blue);color:var(--white)}
[hidden]{display:none!important}
.bar__nav{display:none}

/* Hero */
.hero{background:var(--blue);color:var(--white);padding-top:36px;overflow:hidden}
.hero__in{display:grid;gap:28px}
.hero__name{font-size:clamp(4.25rem,23vw,9.5rem);line-height:.92;font-weight:700;font-stretch:125%;letter-spacing:-.025em;margin-left:-.04em}
.hero__tag{margin-top:14px;font:400 .8125rem/1.6 var(--mono)}
.hero__tag span{white-space:nowrap}
.hero__lede{margin-top:18px;max-width:30ch;font-size:1.3125rem;line-height:1.35;font-weight:500}
.hero__cta{display:grid;gap:10px;margin-top:24px}
.hero__fig{max-width:320px;width:100%;margin-inline:auto}
.hero__creds{display:flex;flex-wrap:wrap;gap:4px 22px;margin-top:20px;padding:14px 0;border-top:1px solid rgba(255,255,255,.4);font:400 .8125rem/1.5 var(--mono)}

/* Hero drawing: the S is set out like a section on a drawing sheet */
.dim path{fill:none;stroke:#fff;stroke-width:1.2}
.dim__t{fill:#fff;font:400 14px var(--mono);letter-spacing:.04em}
.s{stroke:#fff;stroke-width:.5;stroke-linejoin:miter}
.s--solid{fill:#fff}
.s--hatch{fill:url(#hatch)}
@media (prefers-reduced-motion:no-preference){
  .s,.dim path{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.3s ease-out .15s forwards}
  .s{fill-opacity:0;animation:draw 1.3s ease-out .15s forwards,fill .5s ease-out 1.2s forwards}
  .dim__t{opacity:0;animation:fill-t .4s ease-out 1.1s forwards}
  @keyframes draw{to{stroke-dashoffset:0}}
  @keyframes fill{to{fill-opacity:1}}
  @keyframes fill-t{to{opacity:1}}
}

/* Sections */
.sec{padding-block:64px}
.sec--paper{background:var(--paper)}
.sec--ink{background:var(--ink);color:var(--white)}
.sec__head{max-width:640px;margin-bottom:32px}
.sec__head p:last-child{margin-top:12px;color:var(--mid)}
.eyebrow{margin-bottom:10px;font:400 .8125rem/1.4 var(--mono);color:var(--blue)}
.sec--ink .eyebrow{color:var(--sky)}
h2{font-size:clamp(1.875rem,6.5vw,2.75rem);line-height:1.08;font-weight:700;font-stretch:115%;letter-spacing:-.015em}
h3{font-size:1.25rem;line-height:1.25;font-weight:700;font-stretch:112%}

/* Divisions: one drawing grid, shared hairlines */
.divs{display:grid;border-top:1px solid var(--char);border-left:1px solid var(--char)}
.div{padding:24px 20px 26px;border-right:1px solid var(--char);border-bottom:1px solid var(--char)}
.div__ic{width:40px;height:40px;margin-bottom:16px;fill:none;stroke:var(--blue);stroke-width:2}
.div p{margin-top:6px;color:var(--mid)}
.div ul{margin-top:14px}
.div li{padding:7px 0;border-top:1px solid var(--line);font-size:1rem}

/* Projects */
.projs{display:grid;gap:24px}
.proj h3{margin-top:12px}
.proj p{color:var(--mid);font-size:.9375rem}
.ph{display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;background:repeating-linear-gradient(45deg,#fff 0 7px,#D5DBDF 7px 8px);border:1px dashed var(--mid)}
.ph span{padding:4px 10px;background:var(--white);font:400 .8125rem/1.4 var(--mono);color:var(--char)}

/* Drone gallery */
.drone .sec__head p:last-child{color:#C9D0D5}
.drone__grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drone__item{margin:0;display:flex;flex-direction:column;background:var(--char)}
.drone__item img{width:100%;aspect-ratio:4/3;object-fit:cover}
.drone__item figcaption{padding:6px 10px;background:var(--ink);color:#fff;font:400 .75rem/1.4 var(--mono)}
.drone__item--lead,.drone__item:last-child{grid-column:1/-1}
.drone__item--lead img{aspect-ratio:16/10}
.drone__item:last-child img{aspect-ratio:16/9}
@media (min-width:960px){
  .drone__grid{grid-template-columns:2fr 1fr;gap:12px}
  .drone__item--lead{grid-column:1;grid-row:1/span 3}
  .drone__item:last-child{grid-column:2}
  .drone__item--lead img{flex:1;height:0;min-height:0;aspect-ratio:auto}
  .drone__item:last-child img{aspect-ratio:4/3}
}

/* Design work gallery */
.work{display:grid;gap:20px}
.work__item{margin:0;background:var(--white)}
.work__item img{width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--line)}
.work__item figcaption{padding:12px 14px 14px;border:1px solid var(--line);border-top:0}
.work__item strong{display:block;font-weight:700;font-stretch:110%}
.work__item span{display:block;margin-top:2px;font:400 .8125rem/1.5 var(--mono);color:var(--mid)}

/* Design to construction */
.d2c{margin-top:56px;padding-top:28px;border-top:2px solid var(--char)}
.d2c__head{max-width:640px}
.d2c__head h3{font-size:clamp(1.375rem,4.5vw,1.75rem);line-height:1.15}
.d2c__head p:last-child{margin-top:10px;color:var(--mid)}
.d2c__body{display:grid;gap:12px;margin-top:24px}
.d2c__render{margin:0;position:relative}
.d2c__render img{width:100%;aspect-ratio:4/3;object-fit:cover}
.d2c__render figcaption,.d2c__steps span{position:absolute;left:0;bottom:0;padding:4px 10px;background:var(--ink);color:var(--white);font:400 .75rem/1.5 var(--mono)}
.d2c__steps{display:grid;grid-template-columns:1fr 1fr;gap:12px;counter-reset:st}
.d2c__steps li{position:relative;counter-increment:st}
.d2c__steps img{width:100%;aspect-ratio:3/4;object-fit:cover}
.d2c__steps span::before{content:counter(st) " · ";color:var(--sky)}

/* Design vs site slider */
.cmp{position:relative;margin:0;overflow:hidden;aspect-ratio:4/5;background:var(--line);touch-action:pan-y}
.cmp img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cmp__top{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.cmp__line{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;margin-left:-1.5px;background:var(--white);pointer-events:none}
.cmp__line::after{content:"";position:absolute;top:50%;left:50%;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;background:var(--white);box-shadow:0 1px 6px rgba(0,0,0,.35);
  background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(var(--ink),var(--ink));background-size:2px 14px,2px 14px;background-position:15px 13px,23px 13px;background-repeat:no-repeat}
.cmp__tag{position:absolute;top:10px;padding:4px 10px;background:var(--ink);color:var(--white);font:400 .75rem/1.5 var(--mono);pointer-events:none}
.cmp__tag--l{left:10px}.cmp__tag--r{right:10px}
.cmp__range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}
.cmp__range:focus-visible+*,.cmp:focus-within .cmp__line{outline:3px solid var(--sky)}

/* About */
.about{display:grid;gap:40px}
.about p{margin-top:14px}
.about .eyebrow{margin-top:0}
.about__h{margin-bottom:6px}
.people{margin-top:28px;border-top:2px solid var(--char)}
.people li{padding:16px 0;border-bottom:1px solid var(--line)}
.people h3{font-size:1.125rem}
.about .people__role{margin-top:2px;color:var(--blue);font-weight:600}
.about .people__note{margin-top:8px;font-size:.9375rem;color:var(--mid)}
.about .people__board{margin-top:14px;color:var(--mid);font-size:1rem}
.about .people__creds{margin-top:6px;font:400 .8125rem/1.6 var(--mono);color:var(--mid)}
.steps{counter-reset:s}
.steps li{counter-increment:s;position:relative;padding:14px 0 14px 44px;border-top:1px solid var(--line)}
.steps li::before{content:counter(s);position:absolute;left:0;top:13px;font:400 1.0625rem/1.6 var(--mono);color:var(--blue)}
.steps strong{font-weight:700}

/* Contact */
.contact{display:grid;gap:36px}
.contact h2+p{margin-top:12px;color:#C9D0D5}
.reach{margin-top:24px}
.reach>div{display:grid;grid-template-columns:96px 1fr;gap:8px;padding:12px 0;border-top:1px solid rgba(255,255,255,.22)}
.reach dt{font:400 .8125rem/1.8 var(--mono);color:#C9D0D5}
.reach a{color:var(--white);text-underline-offset:3px;overflow-wrap:anywhere}
.todo{padding:1px 6px;border:1px dashed var(--sky);font-size:.9375rem}
.form{display:grid;gap:16px;padding:22px 20px;background:var(--white);color:var(--ink)}
.form label{display:grid;gap:6px;font-size:.9375rem;font-weight:600}
.form input,.form select,.form textarea{width:100%;min-height:48px;padding:10px 12px;border:1px solid var(--mid);border-radius:0;background:var(--white);color:var(--ink);font:400 1rem/1.4 var(--sans)}
.form textarea{resize:vertical}
.form .hp{position:absolute;left:-9999px;width:1px;height:1px;min-height:0;padding:0;border:0}
.form__hint{margin-top:-6px;font-size:.875rem;color:var(--mid)}
.form__msg{font-size:.9375rem;min-height:1.5em}
.form__msg.is-err{color:#B3261E}
.form__msg.is-ok{color:#1B6B3A}

/* Footer title block */
.tb{background:var(--ink);color:var(--white);padding-bottom:28px}
.tb__grid{display:grid;grid-template-columns:1fr 1fr}
.tb__grid>div{padding:12px;border:1px solid rgba(255,255,255,.3);margin:-1px 0 0 -1px;font-size:.9375rem}
.tb__grid>div>span:first-child{display:block;font:400 .75rem/1.5 var(--mono);color:#C9D0D5}
.tb__logo{grid-column:1/-1}
.tb__grid a{color:var(--white);text-underline-offset:3px}
.tb__logo img{width:150px;height:auto}

@media (min-width:640px){
  .work{grid-template-columns:1fr 1fr}
  .hero__cta{display:flex;flex-wrap:wrap}
  .divs{grid-template-columns:1fr 1fr}
  .projs{grid-template-columns:1fr 1fr}
}
@media (min-width:960px){
  .wrap{padding-inline:32px}
  .bar__in{height:72px}
  .bar__logo img{width:160px}
  .bar__nav{display:flex;gap:28px;margin-left:auto;font-weight:500}
  .hero__fig{max-width:400px}
  .bar__nav a{text-decoration:none}
  .bar__nav a:hover{color:var(--blue)}
  html{scroll-padding-top:72px}
  .hero{padding-top:64px}
  .hero__in{grid-template-columns:1.1fr .9fr;align-items:center;gap:48px}
  .hero__tag{font-size:.9375rem}
  .hero__lede{font-size:1.625rem}
  .sec{padding-block:96px}
  .about{grid-template-columns:1fr 1fr;gap:72px}
  .work{grid-template-columns:repeat(3,1fr)}
  .work__item:first-child{grid-column:span 2;grid-row:span 2}
  .work__item:first-child img{height:calc(100% - 66px);aspect-ratio:auto}
  .d2c__body{grid-template-columns:1fr 1fr;gap:20px;align-items:start}
  .d2c__steps{gap:20px}
  .contact{grid-template-columns:1fr 1fr;gap:72px}
  .form{padding:32px}
  .tb__grid{grid-template-columns:1.2fr 1fr 1fr .8fr 1.2fr}
  .tb__logo{grid-column:auto}
  .tb__logo{display:flex;align-items:center}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.nf{font-size:clamp(1.875rem,6.5vw,2.75rem);line-height:1.08;font-weight:700;font-stretch:115%}