/* ACUMEN — corporate site. Minimal, typographic, brand green. */
:root{
  --green:#237363; --green-dark:#174D43; --green-deep:#11382F;
  --bg:#fff; --tint:#F5F8F6; --line:#E1E9E5; --line-2:#CBD8D3;
  --text:#202B29; --muted:#66736F; --danger:#B3261E;
  --r:8px; --r-lg:16px; --hdr:76px;
  --font:"Manrope",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.65;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:var(--green);text-decoration:none}
a:hover{color:var(--green-dark)}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.12;letter-spacing:-.02em;font-weight:800;color:var(--text)}
p{margin:0 0 1.1em}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--green);outline-offset:3px;border-radius:4px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.skip{position:absolute;left:-999px;top:0;background:var(--green);color:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:8px;top:8px}
.muted{color:var(--muted)}

/* typography helpers */
.eyebrow{font-size:.8125rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green);margin-bottom:1.1rem}
.sec--dark .eyebrow{color:#9CD3C4}
.h-xl{font-size:clamp(2rem,4vw,3.1rem)}
.h-sm{font-size:1.25rem}
.lead{font-size:clamp(1.1rem,1.6vw,1.3rem);line-height:1.55;color:#37453F}
.lead--xl{font-size:clamp(1.4rem,2.6vw,2rem);line-height:1.35;font-weight:600;letter-spacing:-.01em;color:var(--text)}
.sec--dark .lead{color:#D6E8E2}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font:inherit;font-weight:700;font-size:1rem;line-height:1;padding:15px 26px;border-radius:6px;border:1.5px solid transparent;cursor:pointer;transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);text-align:center}
.btn--primary{background:var(--green);color:#fff}
.btn--primary:hover{background:var(--green-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px -8px rgba(23,77,67,.6)}
.btn--ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn--ghost:hover{background:var(--green);color:#fff}
.btn--sm{padding:11px 18px;font-size:.9375rem}
.btn--lg{padding:18px 32px}
.sec--dark .btn--primary{background:#fff;color:var(--green-dark)}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid transparent;transition:border-color .3s}
.hdr.is-stuck{border-color:var(--line)}
.hdr__in{display:flex;align-items:center;gap:28px;height:var(--hdr)}
.brand img{height:34px;width:auto}
.nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav>a{color:var(--text);font-weight:600;font-size:.9375rem;padding:10px 14px;border-radius:6px;position:relative}
.nav>a::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav>a:hover::after,.nav>a[aria-current]::after{transform:scaleX(1)}
.nav>a[aria-current]{color:var(--green)}
.hdr__r{display:flex;align-items:center;gap:18px}
.lang{display:flex;align-items:center;font-size:.8125rem;font-weight:700;letter-spacing:.06em}
.lang a{color:var(--muted);padding:6px 8px}
.lang a+a{border-left:1px solid var(--line-2)}
.lang a[aria-current]{color:var(--green)}
.lang a:hover{color:var(--green-dark)}
.lang--drawer{display:none}
.burger{display:none;width:44px;height:44px;border:0;background:transparent;cursor:pointer;position:relative;border-radius:8px}
.burger span{position:absolute;left:11px;right:11px;height:2px;background:var(--text);transition:transform .3s var(--ease),top .3s var(--ease)}
.burger span:first-child{top:18px}.burger span:last-child{top:25px}
.burger[aria-expanded=true] span:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded=true] span:last-child{top:21px;transform:rotate(-45deg)}
.mbar{display:none}

/* hero */
.hero{padding:clamp(40px,7vw,96px) 0 clamp(56px,8vw,112px);overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,5vw,72px);align-items:center}
.hero h1{font-size:clamp(2.3rem,5.2vw,4.3rem);letter-spacing:-.035em;margin-bottom:.45em}
.hero .lead{max-width:34em;margin-bottom:2rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}
.hero__art .art{width:100%;height:auto;border-radius:var(--r-lg);background:var(--tint)}
.a-bar{transform-box:fill-box;transform-origin:bottom;animation:grow 1s var(--ease) both;animation-delay:calc(.3s + var(--d,0s))}
.a-line{stroke-dasharray:1;stroke-dashoffset:1;animation:draw 1.4s .9s var(--ease) forwards}
.a-ring{animation:fade 1s 1.3s both}
.a-slash{animation:fade .9s .2s both}
@keyframes grow{from{transform:scaleY(0)}to{transform:scaleY(1)}}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{from{opacity:0}to{opacity:1}}
.rise{animation:rise .9s var(--ease) both;animation-delay:var(--d,0s)}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* sections */
.sec{padding:clamp(64px,9vw,120px) 0}
.sec--tint{background:var(--tint)}
.sec--dark{background:var(--green-dark);color:#fff}
.sec--dark h2,.sec--dark h3{color:#fff}
.sec__head{max-width:46rem;margin-bottom:clamp(36px,5vw,64px)}
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,6vw,88px);align-items:center}
.split--text{align-items:start;grid-template-columns:1fr 1fr}
.split__art .art{width:100%;height:auto;border-radius:var(--r-lg)}
.split__txt .btn{margin-top:.6rem}

/* service cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{display:flex;flex-direction:column;background:var(--tint);border:1px solid var(--line);border-radius:var(--r-lg);padding:34px 30px 30px;color:var(--text);transition:background .35s var(--ease),color .35s var(--ease),transform .35s var(--ease),box-shadow .35s var(--ease),border-color .35s}
.card__ico{display:grid;place-items:center;width:56px;height:56px;border-radius:12px;background:#fff;color:var(--green);margin-bottom:26px;transition:background .35s,color .35s}
.card h3{font-size:1.3rem;margin-bottom:.6em}
.card p{color:var(--muted);font-size:.98rem;flex:1;transition:color .35s}
.card__more{font-weight:700;font-size:.9375rem;color:var(--green);display:inline-flex;gap:.4em;margin-top:.6rem;transition:color .35s}
.card__more i{font-style:normal;transition:transform .3s var(--ease)}
.card:hover{background:var(--green);border-color:var(--green);color:#fff;transform:translateY(-6px);box-shadow:0 24px 40px -22px rgba(23,77,67,.65)}
.card:hover h3,.card:hover p,.card:hover .card__more{color:#fff}
.card:hover p{color:#DCEEE8}
.card:hover .card__ico{background:rgba(255,255,255,.14);color:#fff}
.card:hover .card__more i{transform:translateX(5px)}

/* why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(24px,3vw,44px)}
.why__item{border-top:1px solid rgba(255,255,255,.25);padding-top:28px}
.why__ico{display:block;color:#9CD3C4;margin-bottom:22px}
.why__item h3{font-size:1.2rem}
.why__item p{color:#CFE4DD;font-size:.98rem;margin:0}

/* CTA band */
.band__in{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.band h2{font-size:clamp(1.7rem,3vw,2.5rem);max-width:22em}
.band .lead{margin:0;max-width:34em}

/* page hero */
.phero{background:var(--tint);padding:clamp(56px,8vw,104px) 0 clamp(44px,6vw,72px);position:relative;overflow:hidden}
.phero::after{content:"";position:absolute;right:-60px;top:0;bottom:0;width:min(46vw,520px);background:repeating-linear-gradient(115deg,transparent 0 46px,rgba(35,115,99,.09) 46px 78px);pointer-events:none;-webkit-mask-image:linear-gradient(90deg,transparent,#000 60%);mask-image:linear-gradient(90deg,transparent,#000 60%)}
.phero__in{position:relative;z-index:1}
.phero h1{font-size:clamp(2.2rem,5vw,4rem);letter-spacing:-.035em;max-width:16em}
.phero .lead{max-width:40em;margin:0}
.tagline{display:inline-block;margin:.4rem 0 0;font-weight:700;letter-spacing:.14em;text-transform:uppercase;font-size:.85rem;color:var(--green);border:1.5px solid var(--green);border-radius:6px;padding:10px 16px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:2.2rem}
.chips a,.filters button{font:inherit;font-size:.9rem;font-weight:600;color:var(--green-dark);background:#fff;border:1px solid var(--line-2);border-radius:999px;padding:9px 18px;cursor:pointer;transition:all .25s var(--ease)}
.chips a:hover,.filters button:hover{border-color:var(--green);color:var(--green)}
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.filters button.on{background:var(--green);border-color:var(--green);color:#fff}

/* services page */
.svc{scroll-margin-top:var(--hdr)}
.svc__grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);align-items:start}
.svc__head{position:sticky;top:calc(var(--hdr) + 32px)}
.svc__num{font-size:.9rem;font-weight:800;letter-spacing:.14em;color:var(--green);display:block;margin-bottom:14px}
.svc__ico{display:grid;place-items:center;width:60px;height:60px;border-radius:14px;background:var(--green);color:#fff;margin-bottom:22px}
.svc__head h2{font-size:clamp(1.8rem,3vw,2.5rem)}
.svc__head .btn{margin-top:.6rem}
.sub{font-size:.8125rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:1.2rem;font-weight:700}
.checks{list-style:none;margin:0;padding:0}
.checks li{position:relative;padding:16px 0 16px 44px;border-top:1px solid var(--line-2);font-weight:500}
.checks li:last-child{border-bottom:1px solid var(--line-2)}
.checks li::before{content:"";position:absolute;left:0;top:19px;width:24px;height:24px;border-radius:50%;background:var(--green) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m7 12.5 3.2 3.2L17 8.8'/%3E%3C/svg%3E") center/16px no-repeat}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{display:grid;grid-template-columns:52px 1fr;gap:18px;padding:22px 0;border-top:1px solid var(--line-2)}
.steps li:last-child{border-bottom:1px solid var(--line-2)}
.steps__n{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--green);color:#fff;font-weight:800}
.steps h4{font-size:1.1rem;margin-bottom:.3em}
.steps p{margin:0;color:var(--muted)}

/* about page */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,56px)}
.pillar{border-top:2px solid #fff;padding-top:24px}
.pillar__n{display:block;font-size:clamp(3.5rem,7vw,5.5rem);font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.55);margin-bottom:20px;letter-spacing:-.04em}
.pillar h3{font-size:1.5rem}
.pillar p{color:#D6E8E2;margin:0}

/* insights */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;background:#fff;color:var(--text);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s}
.post:hover{transform:translateY(-4px);border-color:var(--green);box-shadow:0 20px 34px -24px rgba(23,77,67,.6)}
.post h3{font-size:1.25rem;margin:.9rem 0 .6rem}
.post p{color:var(--muted);font-size:.96rem;flex:1}
.post time{font-size:.85rem;color:var(--muted)}
.post .demo{display:inline-block;margin-left:8px;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#8A5A00;background:#FFF3D6;border-radius:4px;padding:3px 8px}
.chip{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--green);background:#E3EEE9;border-radius:4px;padding:5px 10px}
.posts__empty{margin-top:8px}
.article{max-width:820px;padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(56px,8vw,104px)}
.back{display:inline-flex;gap:.5em;font-weight:700;font-size:.95rem;margin-bottom:28px}
.article h1{font-size:clamp(2rem,4.4vw,3.2rem);margin-top:.5rem}
.article__meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px 12px;color:var(--muted);font-size:.9rem;margin:0}
.demo-note{background:#FFF8E6;border:1px solid #F1DFAE;border-radius:var(--r);padding:14px 18px;font-size:.95rem;margin:1.4rem 0}
.prose{font-size:1.125rem;line-height:1.75}
.prose h2{font-size:1.7rem;margin:2em 0 .6em}
.prose h3{font-size:1.3rem;margin:1.6em 0 .5em}
.prose ul{padding-left:1.3em}
.prose li{margin-bottom:.4em}
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:3rem;padding-top:1.6rem;border-top:1px solid var(--line)}
.share__l{font-weight:700;margin-right:6px}
.share a,.share button{font:inherit;font-size:.875rem;font-weight:600;color:var(--green-dark);background:#fff;border:1px solid var(--line-2);border-radius:6px;padding:8px 14px;cursor:pointer}
.share a:hover,.share button:hover{border-color:var(--green);color:var(--green)}

/* contact + forms */
.contact{display:grid;grid-template-columns:5fr 7fr;gap:clamp(32px,6vw,96px);align-items:start}
.clist{list-style:none;margin:1.4rem 0 0;padding:0}
.clist li{display:flex;flex-direction:column;gap:2px;padding:16px 0;border-top:1px solid var(--line-2)}
.clist li:last-child{border-bottom:1px solid var(--line-2)}
.clist .lbl{font-size:.75rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--muted)}
.clist--dark{margin-top:1rem}
.clist--dark li,.clist--dark li:last-child{border-color:rgba(255,255,255,.18);border-bottom:0;padding:9px 0}
.clist--dark .lbl{color:#9CD3C4}
.clist--dark a{color:#fff}
.contact__form{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(24px,4vw,44px);box-shadow:0 30px 60px -44px rgba(23,77,67,.5)}
.form{display:grid;gap:18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fld{display:block;font-size:.875rem;font-weight:700}
.fld abbr{color:var(--green);text-decoration:none;margin-left:3px}
.fld input,.fld select,.fld textarea{display:block;width:100%;margin-top:8px;font:inherit;font-size:1rem;font-weight:500;color:var(--text);background:#fff;border:1px solid var(--line-2);border-radius:var(--r);padding:13px 14px;transition:border-color .2s,box-shadow .2s}
.fld textarea{resize:vertical;min-height:120px}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--green);box-shadow:0 0 0 3px rgba(35,115,99,.18)}
.fld.err input,.fld.err textarea{border-color:var(--danger)}
.chk{display:flex;gap:12px;align-items:flex-start;font-size:.9rem;color:var(--muted);cursor:pointer}
.chk input{width:20px;height:20px;margin:2px 0 0;accent-color:var(--green);flex:none}
.chk.err{color:var(--danger)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__msg{margin:0;padding:14px 16px;border-radius:var(--r);font-weight:600;font-size:.95rem}
.form__msg.ok{background:#E3EEE9;color:var(--green-dark)}
.form__msg.bad{background:#FCE9E7;color:var(--danger)}
.form .btn{justify-self:start}
.form.is-sent>*:not(.form__msg){display:none}
.form[aria-busy=true] .btn{opacity:.6;pointer-events:none}

/* modal */
.modal{border:0;padding:0;background:transparent;max-width:min(640px,calc(100vw - 24px));width:100%;max-height:calc(100dvh - 24px);overflow:visible;color:inherit}
.modal::backdrop{background:rgba(17,56,47,.6);backdrop-filter:blur(3px)}
.modal[open]{animation:pop .35s var(--ease)}
@keyframes pop{from{opacity:0;transform:translateY(16px) scale(.98)}to{opacity:1;transform:none}}
.modal__box{position:relative;background:#fff;border-radius:var(--r-lg);padding:clamp(24px,4vw,40px);max-height:calc(100dvh - 24px);overflow:auto}
.modal__box h2{font-size:1.7rem;margin-bottom:.3em;padding-right:36px}
.modal__box .muted{margin-bottom:1.4rem}
.modal__x{position:absolute;right:14px;top:12px;width:40px;height:40px;border:0;background:transparent;font-size:2rem;line-height:1;color:var(--muted);cursor:pointer;border-radius:8px}
.modal__x:hover{color:var(--text);background:var(--tint)}

/* footer */
.ftr{background:var(--green-deep);color:#D6E8E2;padding-top:clamp(48px,6vw,80px)}
.ftr a{color:#fff}
.ftr__grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.ftr__brand img{height:38px;width:auto;margin-bottom:18px}
.ftr__brand p{letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;font-weight:600;color:#9CD3C4}
.ftr h2{font-size:.8125rem;letter-spacing:.14em;text-transform:uppercase;color:#9CD3C4;margin-bottom:1rem}
.flist{list-style:none;margin:0;padding:0}
.flist li{padding:5px 0}
.flist a:hover,.ftr a:hover{color:#9CD3C4}
.ftr__bar{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;padding-bottom:26px;font-size:.875rem;color:#9FB8B0}

/* motion: only hide when JS is on so content never depends on it */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);transition-delay:calc(var(--i,0) * 70ms)}
.js .reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1080px){
  .cards,.posts{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:repeat(2,1fr);row-gap:40px}
}
@media (max-width:980px){
  :root{--hdr:66px}
  /* backdrop-filter would make the header the containing block of the fixed drawer */
  .hdr{background:#fff;backdrop-filter:none;-webkit-backdrop-filter:none}
  .nav{z-index:45}
  .burger{display:block}
  .brand img{height:30px}
  .hdr__cta,.lang--top{display:none}
  .nav{position:fixed;left:0;right:0;top:var(--hdr);bottom:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:12px clamp(20px,4vw,40px) 120px;overflow:auto;transform:translateY(-12px);opacity:0;visibility:hidden;transition:opacity .3s,transform .3s var(--ease),visibility .3s;margin:0}
  .nav.open{transform:none;opacity:1;visibility:visible}
  .nav>a{font-size:1.25rem;padding:18px 4px;border-bottom:1px solid var(--line)}
  .nav>a::after{display:none}
  .lang--drawer{display:flex;margin-top:24px;font-size:1rem}
  .lang--drawer a{padding:10px 16px}
  .hdr__r{margin-left:auto}
  .mbar{display:block;position:fixed;left:0;right:0;bottom:0;z-index:40;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
  .mbar .btn{width:100%}
  body{padding-bottom:76px}
  .hero__grid,.split,.split--text,.svc__grid,.contact{grid-template-columns:1fr}
  .hero__art{order:-1;max-width:420px}
  .split__art{max-width:420px}
  .svc__head{position:static}
  .pillars{grid-template-columns:1fr}
  .ftr__grid{grid-template-columns:1fr 1fr}
  .ftr__brand{grid-column:1/-1}
}
@media (max-width:640px){
  .cards,.posts,.why,.row2,.ftr__grid{grid-template-columns:1fr}
  .hero__cta .btn{width:100%}
  .btn--lg{padding:16px 24px}
  .band__in .btn{width:100%}
}
body.nav-open{overflow:hidden}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
  .a-line{stroke-dashoffset:0}
}