:root{
  --mist:#e9eef0; --paper:#f6f8f8; --ink:#10222b; --slate:#2f5d6b; --deep:#0c1a21;
  --line:#b9c6cc; --yellow:#e3b505; --muted:#4b5f68;
  --head:"Archivo","Arial Narrow",Arial,sans-serif; --body:"IBM Plex Sans",Arial,sans-serif;
  --w:1280px; --pad:clamp(20px,4vw,48px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:var(--body);color:var(--ink);background:var(--paper);line-height:1.65;font-size:17px}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--w);margin:0 auto;padding-inline:var(--pad)}
.skip{position:absolute;left:-999px;background:var(--yellow);padding:8px 14px;z-index:99}
.skip:focus{left:8px;top:8px}
:focus-visible{outline:3px solid var(--yellow);outline-offset:3px}
h1,h2,h3{font-family:var(--head);line-height:1.05;letter-spacing:-.015em}
h1{font-size:clamp(2.4rem,5.4vw,4.6rem);font-weight:800;font-stretch:100%}
h2{font-size:clamp(1.9rem,3.6vw,3rem);font-weight:800}
h3{font-size:1.2rem;font-weight:700;letter-spacing:0}

/* buttons */
.btn{display:inline-block;background:var(--ink);color:#fff;font:600 1rem var(--body);padding:15px 26px;border:2px solid var(--ink);text-decoration:none;cursor:pointer;transition:background .2s,color .2s,transform .2s}
.btn:hover{background:var(--yellow);color:var(--ink);border-color:var(--yellow);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-small{padding:9px 18px;font-size:.95rem}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--paper);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{font:800 1.6rem var(--head);letter-spacing:.02em;text-decoration:none;display:flex;align-items:center;gap:10px}
.mark{width:22px;height:22px;background:linear-gradient(var(--ink) 0 33%,var(--slate) 33% 66%,var(--yellow) 66%)}
.nav{display:flex;align-items:center;gap:30px}
.nav a:not(.btn){text-decoration:none;font-weight:500;position:relative;padding-block:4px}
.nav a:not(.btn)::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--yellow);transition:width .25s}
.nav a:not(.btn):hover::after{width:100%}
.menu-btn{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.menu-btn span{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:transform .25s}
.menu-btn span:first-child{top:17px}.menu-btn span:last-child{top:26px}
.menu-btn[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.menu-btn[aria-expanded="true"] span:last-child{transform:translateY(-5px) rotate(-45deg)}

/* hero */
.hero{background:var(--mist);padding:clamp(48px,7vw,96px) 0;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:center}
.tag{font-weight:600;color:var(--slate);margin-bottom:20px;padding-left:14px;border-left:4px solid var(--yellow)}
.lead{font-size:1.2rem;color:var(--muted);max-width:56ch;margin:24px 0 32px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:44px;border-top:1px solid var(--line)}
.hero-facts div{padding:16px 16px 0 0}
.hero-facts dt{font-size:.85rem;color:var(--slate);font-weight:600}
.hero-facts dd{font-size:.97rem;font-weight:500;line-height:1.4;margin-top:2px}
.strata{border:2px solid var(--ink);background:#fff}
.strata figcaption{font-size:.82rem;padding:8px 12px;border-top:2px solid var(--ink);color:var(--muted)}
.strata svg{width:100%;height:auto}
.hero-copy h1,.hero-copy .lead,.hero-copy .tag,.hero-copy .cta-row{animation:rise .8s cubic-bezier(.2,.7,.2,1) both}
.hero-copy .lead{animation-delay:.12s}.hero-copy .cta-row{animation-delay:.22s}
.strata{animation:rise .9s .15s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* about */
.about{padding:clamp(64px,9vw,120px) 0}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px clamp(32px,6vw,88px)}
.about-head{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,88px);align-items:end;padding-bottom:36px;border-bottom:1px solid var(--line)}
.sub{color:var(--muted);font-size:1.1rem}
.about-text p+p{margin-top:18px}
.panel{background:var(--ink);color:#fff;padding:32px;align-self:start;border-top:6px solid var(--yellow)}
.panel h3{margin-bottom:16px}
.panel ul{list-style:none}
.panel li{padding:14px 0;border-top:1px solid rgba(255,255,255,.2);font-size:.98rem}
.panel li strong{display:block;color:var(--yellow);font-family:var(--head);font-size:1.3rem}
.panel-foot{margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.2);font-size:.95rem;color:#c9d6db}

/* services */
.services{background:var(--mist);padding:clamp(64px,9vw,112px) 0;border-block:1px solid var(--line)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,6vw,88px);align-items:end;margin-bottom:40px}
.sec-head p{color:var(--muted);font-size:1.1rem}
.svc-list{list-style:none;border-top:2px solid var(--ink)}
.svc{border-bottom:1px solid var(--line)}
.svc button{width:100%;display:grid;grid-template-columns:1.1fr 1.4fr 32px;gap:24px;align-items:center;text-align:left;background:none;border:0;padding:28px 12px;cursor:pointer;font:inherit;color:inherit;transition:background .2s,padding .2s}
.svc button:hover{background:rgba(255,255,255,.6);padding-left:22px}
.svc-name{font:800 clamp(1.3rem,2.2vw,1.8rem) var(--head);letter-spacing:-.01em}
.svc-sum{color:var(--muted)}
.plus{width:24px;height:24px;position:relative}
.plus::before,.plus::after{content:"";position:absolute;background:var(--ink);left:0;right:0;top:11px;height:2px;transition:transform .25s}
.plus::after{transform:rotate(90deg)}
.svc.open .plus::after{transform:rotate(0)}
.svc.open .svc-name{box-shadow:inset 0 -.35em 0 var(--yellow)}
.svc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.svc.open .svc-body{grid-template-rows:1fr}
.svc-body>p{overflow:hidden;max-width:78ch;padding:0 12px 0 12px}
.svc.open .svc-body>p{padding-bottom:28px}

/* why */
.why{background:var(--deep);color:#fff;padding:clamp(64px,9vw,112px) 0}
.why-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,6vw,88px)}
.why-head{position:sticky;top:100px;align-self:start}
.why-head>p{color:#aebfc6;margin:16px 0 32px}
.mini{display:flex;gap:18px;align-items:center;border:1px solid rgba(255,255,255,.25);padding:20px}
.mini strong{font:800 3.4rem var(--head);color:var(--yellow);line-height:1}
.mini span{font-size:.95rem;color:#c9d6db}
.why-items article{padding:28px 0 28px 28px;border-left:4px solid var(--slate);margin-bottom:20px;transition:border-color .25s,background .25s}
.why-items article:hover{border-color:var(--yellow);background:rgba(255,255,255,.04)}
.why-items p{color:#b8c8cf;margin-top:8px;max-width:60ch}

/* contact */
.contact{padding:clamp(64px,9vw,112px) 0}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,88px)}
.contact-info>p{color:var(--muted);margin:16px 0 28px}
address{font-style:normal;border-top:2px solid var(--ink)}
address div{padding:16px 0;border-bottom:1px solid var(--line)}
address span{display:block;font-size:.85rem;font-weight:600;color:var(--slate)}
address a{font-weight:600;text-decoration-color:var(--yellow);text-decoration-thickness:3px;text-underline-offset:3px}
.form{background:#fff;border:2px solid var(--ink);padding:clamp(24px,4vw,44px)}
.field{margin-bottom:20px}
label{display:block;font-weight:600;margin-bottom:6px;font-size:.95rem}
input,select,textarea{width:100%;font:inherit;padding:13px 14px;border:1.5px solid var(--line);background:var(--paper);color:var(--ink);border-radius:0}
input:focus,select:focus,textarea:focus{border-color:var(--ink);outline:2px solid var(--yellow);outline-offset:0}
.field.bad input,.field.bad select,.field.bad textarea{border-color:#b3261e}
.err{display:block;color:#b3261e;font-size:.88rem;min-height:1.2em;margin-top:4px}
.ok{margin-top:16px;font-weight:600;color:var(--slate)}

/* footer */
.site-footer{background:var(--ink);color:#c9d6db;padding:36px 0;font-size:.95rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px}
.foot strong{color:#fff}

/* reveal: only the section headings, once */
.js .sec-head,.js .about-head{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.js .in{opacity:1;transform:none}

@media (max-width:980px){
  .hero-grid,.about-grid,.about-head,.sec-head,.why-grid,.contact-grid{grid-template-columns:1fr}
  .why-head{position:static}
  .svc button{grid-template-columns:1fr 32px}
  .svc-sum{grid-column:1;grid-row:2}
  .svc .plus{grid-column:2;grid-row:1}
  .foot{grid-template-columns:1fr}
}
@media (max-width:820px){
  .menu-btn{display:block}
  .nav{position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:8px var(--pad) 20px;display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:14px;text-align:center}
  .hero-facts{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .sec-head,.js .about-head{opacity:1;transform:none}
}