:root{
  --fog:#e8edf0;--paper:#f7f9fa;--petrol:#0e2433;--steel:#4a6475;--brick:#a23b2a;--line:#c5d0d8;--muted:#4f606c;
  --head:"Archivo","Helvetica Neue",Arial,sans-serif;--body:"Source Serif 4",Georgia,serif;--ease:cubic-bezier(.2,.7,.2,1);
  --brick-tile:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='44'%3E%3Cpath d='M0 1.5h60M0 23.5h60M0 0v22M30 22v22' stroke='%23e8edf0' stroke-width='3' fill='none'/%3E%3C/svg%3E");
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font:400 18px/1.7 var(--body);color:var(--petrol);background:var(--fog);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--brick);outline-offset:3px}
.wrap{width:min(1280px,100% - 48px);margin-inline:auto}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.08;letter-spacing:-.025em}
h1{font-size:clamp(2.6rem,5.6vw,5.1rem);font-weight:700;letter-spacing:-.035em;line-height:1.02}
h2{font-size:clamp(2rem,3.6vw,3.1rem)}
h3{font-size:1.35rem;letter-spacing:-.015em}
.section{padding:112px 0}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:var(--fog);border-bottom:1px solid transparent;transition:border-color .3s}
.site-header.stuck{border-color:var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:center;gap:12px;font:700 1.2rem/1.1 var(--head);letter-spacing:-.02em}
.brand small{display:block;margin-top:3px;font:500 .78rem var(--head);letter-spacing:.02em;color:var(--muted)}
.brick-mark{width:34px;height:34px;background:var(--brick) var(--brick-tile) 0 0/30px 22px}
.nav{display:flex;align-items:center;gap:34px;font:500 .98rem var(--head)}
.nav a:not(.btn){position:relative;padding:4px 0}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--brick);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:not(.btn):hover::after{transform:scaleX(1)}
.nav-toggle{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--petrol);transition:transform .3s}
.nav-toggle span:first-child{top:18px}.nav-toggle span:last-child{top:25px}
.nav-toggle[aria-expanded=true] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.nav-toggle[aria-expanded=true] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}

/* buttons */
.btn{display:inline-block;padding:16px 30px;background:var(--petrol);color:var(--paper);font:600 .98rem var(--head);border:2px solid var(--petrol);cursor:pointer;transition:background .25s,border-color .25s,color .25s,transform .3s var(--ease)}
.btn:hover{background:var(--brick);border-color:var(--brick);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--petrol)}
.btn-ghost:hover{color:var(--paper)}
.btn-sm{padding:10px 22px}
.cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);min-height:min(760px,calc(100vh - 78px))}
.hero-copy{align-self:center;padding:80px 56px 80px max(24px,calc((100vw - 1280px)/2));animation:in .9s var(--ease) both}
.lead{max-width:40em;margin-top:30px;font-size:1.25rem;color:var(--muted)}
.hero-wall{position:relative;background:var(--brick) var(--brick-tile) 0 0/60px 44px}
.wall-card{position:absolute;left:-56px;bottom:64px;width:min(300px,90%);padding:26px 28px;background:var(--paper);border-left:4px solid var(--petrol);font-size:1.05rem;line-height:1.55;box-shadow:0 20px 40px -24px rgba(14,36,51,.5)}
.wall-card strong{display:block;margin-bottom:6px;font:600 .9rem var(--head);color:var(--steel)}
@keyframes in{from{opacity:0;transform:translateY(18px)}}

/* facts */
.facts{background:var(--petrol);color:var(--paper)}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.facts-grid li{padding:34px 28px 34px 0;font-size:.98rem;line-height:1.5;color:#b9c8d2}
.facts-grid li+li{padding-left:28px;border-left:1px solid #2c4455}
.facts-grid b{display:block;margin-bottom:4px;font:600 1.15rem var(--head);color:var(--paper)}

/* about */
.about-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:88px}
.about-head{align-self:start;position:sticky;top:118px}
.stats{margin-top:44px;border-top:2px solid var(--petrol)}
.stats p{display:flex;align-items:baseline;gap:18px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--muted)}
.stats b{min-width:52px;font:700 2.4rem/1 var(--head);color:var(--petrol)}
.about-body>p{margin-bottom:22px;max-width:38em}
.about-body>p:first-child{font-size:1.28rem}
.scope{display:grid;grid-template-columns:1fr 1fr;margin-top:40px;background:var(--paper);border:1px solid var(--line)}
.scope>div{padding:32px}
.scope>div+div{border-left:1px solid var(--line)}
.scope h3{margin-bottom:16px;font-size:1.1rem}
.scope li{position:relative;padding:7px 0 7px 26px;line-height:1.45}
.scope li::before{position:absolute;left:0;top:7px;font:700 1rem var(--head)}
.yes li::before{content:"+";color:var(--steel)}
.no li::before{content:"–";color:var(--brick)}

/* services */
.services{background:var(--paper)}
.sec-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:64px;align-items:end;margin-bottom:56px}
.sec-head p{color:var(--muted)}
.svc{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:88px;padding:40px 0 40px 0;border-top:1px solid var(--line);border-left:0 solid var(--brick);transition:padding-left .4s var(--ease),border-width .4s var(--ease),background .4s}
.svc:last-child{border-bottom:1px solid var(--line)}
.svc:hover{padding-left:24px;border-left-width:4px;background:var(--fog)}
.svc p{color:var(--muted)}

/* benefits */
.benefits{background:var(--petrol);color:var(--paper)}
.benefits-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:88px}
.benefits-grid>div:first-child p{margin-top:24px;color:#b9c8d2;max-width:28em}
.ben-list{display:grid;grid-template-columns:1fr 1fr;gap:48px 44px}
.ben-list>div{padding-top:24px;border-top:1px solid #35505f;transition:border-color .3s}
.ben-list>div:hover{border-color:var(--brick)}
.ben-list h3{margin-bottom:12px}
.ben-list p{color:#b9c8d2;font-size:1.02rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:88px}
.contact-grid>div>p{margin-top:20px;color:var(--muted)}
.details{margin:36px 0;border-top:2px solid var(--petrol)}
.details>div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.details dt{font:600 .95rem var(--head);color:var(--steel)}
.details a{border-bottom:1px solid var(--brick)}
.note{padding-left:18px;border-left:3px solid var(--brick);font-size:.98rem}
.form{padding:44px;background:var(--paper);border:1px solid var(--line)}
.form label{display:block;margin-bottom:22px;font:600 .95rem var(--head)}
.form input,.form textarea{display:block;width:100%;margin-top:8px;padding:14px 16px;font:400 1.05rem var(--body);color:var(--petrol);background:var(--fog);border:1px solid var(--line);border-bottom:2px solid var(--steel);border-radius:0;transition:border-color .25s,background .25s}
.form input:focus,.form textarea:focus{outline:none;background:#fff;border-bottom-color:var(--brick)}
.form [aria-invalid=true]{border-bottom-color:var(--brick)}
.err{display:block;min-height:1.2em;margin-top:6px;font:500 .88rem var(--head);color:var(--brick)}
.ok{margin-top:18px;font-size:.98rem;color:var(--steel)}

/* footer */
.site-footer{padding:0 0 28px;background:var(--petrol);color:#b9c8d2;font-size:.98rem}
.site-footer::before{content:"";display:block;height:14px;margin-bottom:64px;background:var(--brick) var(--brick-tile) 0 0/60px 44px}
.foot-grid{display:grid;grid-template-columns:1.2fr .8fr 1.2fr;gap:56px}
.site-footer strong{display:block;margin-bottom:10px;font:700 1.25rem var(--head);color:var(--paper)}
.site-footer nav{display:flex;flex-direction:column;gap:8px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.small{margin-top:14px;font-size:.9rem;line-height:1.55}
.copy{margin-top:56px;padding-top:22px;border-top:1px solid #2c4455;font-size:.88rem}

/* scroll reveal */
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .rv.in{opacity:1;transform:none}

/* responsive */
@media(max-width:1020px){
  .hero{grid-template-columns:1fr}
  .hero-copy{padding:64px 24px 72px}
  .hero-wall{height:300px}
  .wall-card{left:24px;bottom:-32px}
  .facts-grid{grid-template-columns:1fr 1fr}
  .facts-grid li{padding:24px 20px 24px 0}
  .facts-grid li:nth-child(odd){padding-left:0;border-left:0}
  .facts-grid li:nth-child(even){padding-left:24px;border-left:1px solid #2c4455}
  .about-grid,.sec-head,.svc,.benefits-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .about-head{position:static}
  .svc{gap:12px}
  .section{padding:84px 0}
  .foot-grid{grid-template-columns:1fr;gap:32px}
}
@media(max-width:860px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;top:78px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;padding:8px 24px 28px;background:var(--paper);border-bottom:1px solid var(--line)}
  .nav.open{display:flex}
  .nav a:not(.btn){width:100%;padding:15px 0;border-bottom:1px solid var(--line)}
  .nav a:not(.btn)::after{display:none}
  .nav .btn{margin-top:20px}
}
@media(max-width:640px){
  body{font-size:17px}
  .scope,.ben-list{grid-template-columns:1fr}
  .scope>div+div{border-left:0;border-top:1px solid var(--line)}
  .form{padding:28px 22px}
  .details>div{grid-template-columns:1fr;gap:2px}
  .wall-card{width:calc(100% - 48px)}
  .hero-wall{margin-bottom:32px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .js .rv{opacity:1;transform:none}
}