:root{
  --teal:#5bc8b4;
  --teal-d:#2f9e8b;
  --forest:#0b3a30;
  --ink:#0f1211;
  --ink-2:#161b1a;
  --paper:#f5f7f6;
  --tint:#eaf3f1;
  --text:#1b1f1e;
  --muted:#5f6b68;
  --line:#dde5e3;
  --r:18px;
  --wrap:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:"Sora",system-ui,sans-serif;background:var(--paper);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.12;letter-spacing:-.02em;font-weight:600}
h2{font-size:clamp(28px,4vw,46px);max-width:18ch}
h3{font-size:18px}
.muted{color:var(--muted)}
.kicker{font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--teal-d);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.kicker::before{content:"";width:22px;height:2px;background:currentColor}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 26px;border-radius:999px;background:var(--teal);color:#06231d;font-weight:600;text-decoration:none;font-size:15px;transition:transform .2s,background .2s,box-shadow .2s;border:1px solid var(--teal)}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px -10px rgba(91,200,180,.7)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{border-color:#fff;box-shadow:none}
.btn-sm{padding:10px 18px;font-size:14px}

/* nav */
.nav{position:fixed;inset:0 0 auto;z-index:50;background:rgba(245,247,246,.9);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.nav.solid{border-color:var(--line);box-shadow:0 6px 24px -18px rgba(11,58,48,.4)}
.nav-in{display:flex;align-items:center;gap:32px;height:76px}
.brand img{height:36px;width:auto}
.links{display:flex;gap:28px;margin-left:auto}
.links a{color:var(--text);text-decoration:none;font-size:14px;font-weight:500;transition:color .2s}
.links a:hover,.links a.on{color:var(--teal-d)}
.burger{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;margin-left:auto;position:relative}
.burger span{position:absolute;left:9px;right:9px;height:2px;background:var(--ink);transition:.3s}
.burger span:first-child{top:15px}.burger span:last-child{top:23px}
.nav.open .burger span:first-child{top:19px;transform:rotate(45deg)}
.nav.open .burger span:last-child{top:19px;transform:rotate(-45deg)}

/* hero */
.hero{position:relative;background:var(--paper);padding-top:76px;--half:min(21.5vw,376px)}
.hero-in{display:grid;grid-template-columns:1.7fr 1fr;gap:48px;align-items:end;padding-top:64px;padding-bottom:56px}
.hero h1{font-size:clamp(40px,5.2vw,76px);line-height:.98;letter-spacing:-.035em;color:var(--ink);font-weight:600}
.hero h1 b{display:block;font-weight:600}
.hero h1 span{display:block;color:var(--teal-d)}
.lead{font-size:clamp(15px,1.3vw,17px);color:var(--muted);max-width:46ch;margin-bottom:26px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn-line{background:transparent;color:var(--ink);border-color:#b9c7c3}
.btn-line:hover{border-color:var(--ink);box-shadow:none}
/* dark band starts halfway down the photo */
.hero-band{position:relative;color:#fff;padding-bottom:48px;overflow:hidden;isolation:isolate;background:linear-gradient(var(--paper) 0,var(--paper) var(--half),var(--ink) var(--half))}
.hero-photo{width:min(96vw,1680px);margin:0 auto;aspect-ratio:2560/1148;overflow:hidden;border-radius:6px;box-shadow:0 40px 80px -40px rgba(0,0,0,.6)}
.hero-photo img{width:100%;height:100%;object-fit:cover}
.contours{position:absolute;left:0;right:0;bottom:0;top:var(--half);width:100%;height:calc(100% - var(--half));z-index:-1;opacity:.3;pointer-events:none}
.contours path{fill:none;stroke:var(--teal);stroke-width:1;opacity:.45;stroke-dasharray:2400;stroke-dashoffset:2400;animation:draw 5s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:48px;border-top:1px solid rgba(255,255,255,.14)}
.stats div{padding:26px 20px 0 0}
.stats div+div{padding-left:24px;border-left:1px solid rgba(255,255,255,.14)}
.stats b{display:block;font-size:clamp(30px,4vw,48px);font-weight:600;letter-spacing:-.03em;color:#fff}
.stats span{font-size:13px;color:rgba(255,255,255,.6)}

/* sections */
.section{padding:120px 0;position:relative}
.section-dark{background:var(--ink);color:#fff;overflow:hidden}
.section-dark .kicker{color:var(--teal)}
.section-dark .muted{color:rgba(255,255,255,.62)}
.section-tint{background:var(--tint)}
.head{margin-bottom:56px}
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
.head-row .muted{max-width:42ch}

/* about */
.about{display:grid;grid-template-columns:1.05fr 1fr;gap:72px;align-items:start}
.about-txt p:not(.kicker){color:var(--muted);margin-top:20px;max-width:56ch}
.about-txt h2{max-width:20ch}
.countries{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.countries li{display:flex;align-items:center;gap:10px;padding:8px 16px 8px 8px;border:1px solid var(--line);border-radius:999px;font-size:14px;background:#fff}
.flag{width:30px;height:30px;border-radius:50%;background:var(--forest);color:var(--teal);font-size:11px;font-weight:700;display:grid;place-items:center}
.pillars{display:grid;gap:16px}
.pillar{display:flex;gap:22px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;transition:transform .3s,box-shadow .3s}
.pillar:hover{transform:translateX(6px);box-shadow:0 20px 40px -24px rgba(11,58,48,.35)}
.pillar img{width:92px;height:92px;flex:none;border-radius:50%;transition:transform 1s}
.pillar:hover img{transform:rotate(25deg)}
.pillar h3{font-size:20px;margin-bottom:6px}
.pillar p{color:var(--muted);font-size:15px}

/* services */
.services{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:var(--r);overflow:hidden}
.svc{background:var(--ink);padding:32px 28px 36px;min-height:230px;display:flex;flex-direction:column;position:relative;transition:background .3s}
.svc:hover{background:var(--ink-2)}
.svc .num{font-size:12px;color:rgba(255,255,255,.4);letter-spacing:.1em}
.svc svg{width:40px;height:40px;fill:none;stroke:var(--teal);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;margin:28px 0 auto}
.svc h3{font-size:17px;font-weight:500;margin-top:28px}
.svc:last-child{grid-column:span 2;background:linear-gradient(135deg,var(--forest),var(--ink))}

/* why */
.why{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:34px;transition:transform .3s,box-shadow .3s}
.card:hover{transform:translateY(-6px);box-shadow:0 30px 50px -30px rgba(11,58,48,.35)}
.card .ic{width:48px;height:48px;border-radius:14px;background:var(--tint);color:var(--teal-d);display:grid;place-items:center;font-size:22px;margin-bottom:26px}
.card h3{font-size:20px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}

/* projects */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.chip{border:1px solid #c8d8d4;background:#fff;color:var(--text);font:inherit;font-size:14px;padding:9px 16px;border-radius:999px;cursor:pointer;transition:.2s;display:inline-flex;gap:8px;align-items:center}
.chip small{font-size:11px;color:var(--muted);background:var(--tint);padding:1px 7px;border-radius:999px}
.chip:hover{border-color:var(--teal-d)}
.chip.on{background:var(--forest);border-color:var(--forest);color:#fff}
.chip.on small{background:var(--teal);color:var(--forest)}
.projects{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.proj{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 24px;display:grid;grid-template-columns:auto 1fr;gap:6px 18px;align-items:start;transition:transform .25s,box-shadow .25s,border-color .25s,opacity .35s}
.proj:hover{transform:translateY(-3px);border-color:var(--teal);box-shadow:0 18px 36px -26px rgba(11,58,48,.5)}
.proj .n{grid-row:span 2;font-size:13px;font-weight:600;color:var(--teal-d);font-variant-numeric:tabular-nums;padding-top:2px;min-width:22px}
.proj .cat{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600}
.proj p{font-size:15px;line-height:1.5}
.proj.hide{display:none}
.proj.in{animation:pop .4s ease both}
@keyframes pop{from{opacity:0;transform:translateY(10px)}}

/* references */
.marquee{overflow:hidden;border-block:1px solid var(--line);padding:22px 0;margin-bottom:56px;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.track{display:flex;gap:48px;width:max-content;animation:scroll 60s linear infinite}
.track span{white-space:nowrap;font-size:20px;font-weight:500;color:#9fb0ac;display:flex;align-items:center;gap:48px}
.track span::after{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal)}
.marquee:hover .track{animation-play-state:paused}
@keyframes scroll{to{transform:translateX(-50%)}}
.refs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ref{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px}
.ref h3{font-size:15px;letter-spacing:.06em;text-transform:uppercase;display:flex;justify-content:space-between;gap:10px;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.ref h3 small{color:var(--teal-d);font-size:13px}
.ref ul{list-style:none;display:grid;gap:9px}
.ref li{font-size:15px;color:var(--muted);padding-left:18px;position:relative}
.ref li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;border:1.5px solid var(--teal-d)}
.ref li.new{color:var(--text)}
.ref .tog{display:none}

/* contact */
.contours-2{left:-200px;right:auto;top:auto;bottom:-260px;width:760px;height:760px;opacity:.35;transform:rotate(180deg)}
.contact{display:grid;grid-template-columns:1.1fr 1fr;gap:64px;align-items:center;position:relative}
.contact h2{margin-bottom:18px}
.contact .muted{margin-bottom:30px;max-width:44ch}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cc{border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:22px;background:rgba(255,255,255,.03)}
.cc h4{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:10px;font-weight:600}
.cc p{font-size:15px;color:rgba(255,255,255,.82)}
.cc a{color:#fff;text-decoration:none;border-bottom:1px solid var(--teal)}
.map{margin-top:64px;border-radius:var(--r);overflow:hidden;border:1px solid rgba(255,255,255,.12);height:340px;position:relative}
.map iframe{width:100%;height:100%;border:0;filter:grayscale(1) invert(.92) contrast(.9) hue-rotate(160deg)}

.foot{background:#080a0a;color:rgba(255,255,255,.55);padding:32px 0;font-size:14px}
.foot-in{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot img{height:28px;width:auto;opacity:.85}
.foot a{text-decoration:none}
.foot a:hover{color:var(--teal)}

/* reveal */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.reveal.vis{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .contours path{stroke-dashoffset:0}
}

/* responsive */
@media (max-width:1000px){
  .services{grid-template-columns:repeat(2,1fr)}
  .about,.contact,.hero-in{grid-template-columns:1fr;gap:48px}
  .hero-in{gap:20px;padding-top:40px;padding-bottom:36px}
  .refs{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .links{position:fixed;inset:76px 0 auto;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px 24px 24px;transform:translateY(-120%);transition:transform .35s;margin:0}
  .links a{padding:14px 0;border-bottom:1px solid var(--line);font-size:17px}
  .nav.open .links{transform:none}
  .nav-cta{display:none}
  .burger{display:block}
  .projects,.why{grid-template-columns:1fr}
  .head-row{flex-direction:column;align-items:flex-start;gap:16px}
  .section{padding:84px 0}
}
@media (max-width:600px){
  .wrap{padding:0 16px}
  .stats{grid-template-columns:1fr 1fr}
  .stats div,.stats div+div{padding:20px 12px 18px 0;border-left:0}
  .stats div:nth-child(even){padding-left:16px;border-left:1px solid rgba(255,255,255,.14)}
  .stats div:nth-child(n+3){border-top:1px solid rgba(255,255,255,.14)}
  .refs,.contact-cards{grid-template-columns:1fr}
  .services{grid-template-columns:1fr 1fr}
  .svc{min-height:0;padding:20px 16px 22px}
  .svc svg{width:32px;height:32px;margin:18px 0 auto}
  .svc h3{font-size:14px;line-height:1.3;margin-top:18px}
  .pillar{padding:18px;gap:16px}
  .pillar img{width:68px;height:68px}
  .hero-photo{width:100%;border-radius:0}
  .hero{--half:22.4vw}
  .hero-in{padding:32px 16px 40px}
  .refs{gap:12px}
  .ref{padding:0}
  .ref h3{cursor:pointer;margin:0;padding:20px;border-bottom:0;align-items:center;-webkit-tap-highlight-color:transparent}
  .ref h3 small{display:none}
  .ref .tog{display:block;position:relative;width:30px;height:30px;flex:none;border-radius:50%;background:var(--tint)}
  .ref .tog::before,.ref .tog::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:2px;margin:-1px 0 0 -6px;background:var(--teal-d);border-radius:2px;transition:transform .3s}
  .ref .tog::after{transform:rotate(90deg)}
  .ref.open .tog::after{transform:rotate(0)}
  .ref ul{max-height:0;overflow:hidden;padding:0 20px;transition:max-height .4s ease,padding .4s ease}
  .ref.open ul{max-height:600px;padding:4px 20px 22px;border-top:1px solid var(--line)}
  .ref.open h3{padding-bottom:16px}
}