/* Direction: blueprint navy + survey-tape yellow, cool concrete neutrals */
:root{
  --ink:#0d1b2a; --blue:#0f2a47; --blue2:#163a60; --steel:#4b6178;
  --mist:#e6ecf1; --paper:#f6f8fa; --sun:#f0bf2e; --line:#c4d0da;
  --head:"Archivo",system-ui,sans-serif; --body:"Public Sans",system-ui,sans-serif;
  --wrap:min(1320px,100% - 3rem); --hh:72px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:var(--hh)}
body{font:400 1.0625rem/1.65 var(--body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{display:block;width:100%;height:100%;object-fit:cover;background:var(--line)}
a{color:inherit}
:focus-visible{outline:3px solid var(--sun);outline-offset:3px}
.wrap{width:var(--wrap);margin-inline:auto}
h1,h2,h3{font-family:var(--head);font-stretch:112%;font-weight:700;line-height:1.1;letter-spacing:-.02em}
h2{font-size:clamp(2rem,3.6vw,3.1rem);margin-bottom:1.4rem}
h3{font-size:1.3rem;margin-bottom:.6rem}
p+p{margin-top:1rem}
.section{padding:clamp(4.5rem,9vw,7.5rem) 0}
.tint{background:var(--mist)}

/* Buttons */
.btn{display:inline-block;padding:.85rem 1.45rem;border:2px solid transparent;border-radius:3px;font:600 .95rem var(--body);text-decoration:none;cursor:pointer;transition:transform .2s,background .2s,color .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-sun{background:var(--sun);color:var(--blue)}
.btn-sun:hover{background:#ffd24d}
.btn-line{border-color:rgba(255,255,255,.5);color:#fff}
.btn-line:hover{background:#fff;color:var(--blue)}
.btn-dark{background:var(--blue);color:#fff;margin-top:1.8rem}
.btn-dark:hover{background:var(--blue2)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;height:var(--hh);background:var(--blue);color:#fff;transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 6px 22px rgba(0,0,0,.28)}
.bar{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:.75rem;text-decoration:none;font:700 1.05rem var(--head);font-stretch:112%;letter-spacing:.02em}
.logo i{display:grid;place-items:center;width:34px;height:34px;background:var(--sun);color:var(--blue);font-style:normal}
.nav{display:flex;align-items:center;gap:2.2rem}
.nav a{text-decoration:none;font-size:.95rem;opacity:.85;transition:opacity .2s}
.nav a:hover{opacity:1}
.nav .btn{opacity:1;padding:.6rem 1.1rem}
.burger{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.burger span{display:block;width:24px;height:2px;background:#fff;transition:transform .25s,opacity .25s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* Hero: blueprint grid */
.hero{background-color:var(--blue);color:#fff;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:5rem;align-items:center;padding:5.5rem 0 4.5rem}
.hero h1{font-size:clamp(2.7rem,5.8vw,5.2rem);line-height:1.02}
.hero h1 span{display:block;animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.hero h1 span:nth-child(2){animation-delay:.12s}
.hero h1 span:nth-child(3){animation-delay:.24s;color:var(--sun)}
.lead{max-width:36rem;margin-top:1.6rem;font-size:1.2rem;color:#c9d6e2}
.cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.3rem}
.hero figure{position:relative;aspect-ratio:4/5;max-height:610px}
.hero figure::before{content:"";position:absolute;inset:-14px 14px 14px -14px;border:2px solid var(--sun)}
.hero figure img{position:relative}
.hero figcaption{position:absolute;left:0;bottom:0;padding:.75rem 1.2rem;background:var(--sun);color:var(--blue);font-weight:600;font-size:.92rem}
@keyframes rise{from{opacity:0;transform:translateY(22px)}}
.specs-title{font-size:.9rem;color:#9fb4c8;padding-top:1.4rem;border-top:1px solid rgba(255,255,255,.22)}
.specs{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;padding:.8rem 0 3.2rem}
.specs b{display:block;font:700 2.4rem/1.1 var(--head);font-stretch:112%;color:var(--sun)}
.specs span{display:block;margin-top:.4rem;font-size:.95rem;color:#c9d6e2;line-height:1.45;max-width:15rem}

/* About */
.about{display:grid;grid-template-columns:.95fr 1.05fr;gap:5.5rem;align-items:start}
.about-vis{position:relative;padding-bottom:5rem}
.about-vis img{height:560px}
.panel{position:absolute;right:-2.5rem;bottom:0;width:min(360px,88%);background:#fff;border-left:5px solid var(--sun);padding:1.5rem 1.6rem;box-shadow:0 18px 40px rgba(13,27,42,.16)}
.panel h3{font-size:1.1rem;margin-bottom:.8rem}
dt{font-size:.85rem;color:var(--steel);margin-top:.7rem}
dd{font-weight:500}
dd a{text-underline-offset:3px}
.about-text p{max-width:38rem}
.marks{list-style:none;margin-top:2.2rem;display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.marks li{padding:1.1rem 1.2rem 0 0;font-size:.95rem;color:var(--steel);line-height:1.5}
.marks b{display:block;color:var(--ink);font-family:var(--head);font-stretch:108%;font-size:1.02rem;margin-bottom:.3rem}

/* Services: asymmetric feature layout, then a band */
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:end;margin-bottom:3rem}
.sec-head h2{margin:0}
.sec-head p{color:var(--steel);max-width:34rem}
.svc{display:grid;grid-template-columns:1.1fr 1fr;grid-template-rows:1fr 1fr;gap:1.5rem}
.svc-main{grid-row:span 2;position:relative;min-height:580px;color:#fff;overflow:hidden;display:flex;align-items:flex-end}
.svc-main img{position:absolute;inset:0;transition:transform .8s}
.svc-main:hover img{transform:scale(1.04)}
.svc-main::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,26,45,.94) 15%,rgba(10,26,45,.1) 70%)}
.svc-main-text{position:relative;z-index:1;padding:2.4rem}
.svc-main h3{font-size:1.9rem}
.svc-main p{color:#d6e0ea}
.svc-item{background:#fff;padding:2.2rem;border-top:4px solid var(--blue);transition:box-shadow .3s,transform .3s}
.svc-item:hover{box-shadow:0 16px 36px rgba(13,27,42,.12);transform:translateY(-3px)}
.tags{margin-top:1.1rem;font-size:.88rem;color:var(--steel)}
.svc-main .tags{color:var(--sun)}
.trade{display:grid;grid-template-columns:1fr 1fr;margin-top:1.5rem;background:var(--blue);color:#fff}
.trade>div{padding:2.6rem}
.trade>div+div{border-left:1px solid rgba(255,255,255,.2)}
.trade h3{color:var(--sun)}
.trade p{color:#c9d6e2}

/* Why */
.why{display:grid;grid-template-columns:.8fr 1.2fr;gap:5rem;align-items:start}
.why-intro{position:sticky;top:calc(var(--hh) + 2rem)}
.why-intro p{color:var(--steel)}
.bens{display:grid;grid-template-columns:1fr 1fr;gap:2.8rem 3rem}
.bens article{padding-top:1.3rem;border-top:3px solid var(--sun);box-shadow:0 -1px 0 var(--ink) inset;border-image:none}
.bens article{border-top:3px solid var(--ink)}
.bens article::before{content:"";display:block;width:56px;height:3px;background:var(--sun);margin:-1.3rem 0 1.2rem;position:relative;top:-3px}
.bens p{color:var(--steel)}

/* Contact */
.dark{background:var(--blue);color:#fff}
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:5rem;align-items:start}
.details{margin-top:2.4rem;border-top:1px solid rgba(255,255,255,.22)}
.details dt{color:#9fb4c8;margin-top:1.1rem}
.details dd{font-size:1.1rem}
.form{background:#fff;color:var(--ink);padding:2.6rem;border-top:5px solid var(--sun)}
.field{margin-bottom:1rem}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:.35rem}
input,select,textarea{width:100%;padding:.8rem .9rem;border:1px solid #93a6b8;border-radius:3px;font:inherit;background:#fff;color:var(--ink);transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(240,191,46,.55)}
.field.bad input,.field.bad textarea{border-color:#b3261e}
.err{display:block;min-height:1.2em;margin-top:.25rem;color:#b3261e;font-size:.85rem}
.form .btn{margin-top:.4rem}
.status{margin-top:1rem;font-weight:500;color:#1d6b3a}

/* Footer */
.footer{background:#08182a;color:#b7c5d3;padding-top:3.5rem;font-size:.95rem}
.foot{display:grid;grid-template-columns:1.1fr 1.4fr .7fr;gap:3rem}
.foot b{display:block;color:#fff;margin-bottom:.7rem;font-family:var(--head);font-stretch:108%}
.footer a{text-decoration:none}
.footer a:hover{color:var(--sun)}
.copy{margin-top:3rem;padding:1.4rem 0;border-top:1px solid rgba(255,255,255,.14);font-size:.85rem}

/* Scroll reveal (fade only) */
.js .reveal{opacity:0;transition:opacity .9s ease}
.js .reveal.in{opacity:1}

/* Responsive */
@media (max-width:1000px){
  .hero-grid,.about,.why,.contact,.sec-head{grid-template-columns:1fr;gap:3rem}
  .hero-grid{padding:3.5rem 0 3rem}
  .hero figure{max-height:440px;aspect-ratio:16/11;margin-left:14px}
  .specs{grid-template-columns:1fr 1fr}
  .about-vis img{height:420px}
  .panel{right:0}
  .svc{grid-template-columns:1fr;grid-template-rows:auto}
  .svc-main{grid-row:auto;min-height:460px}
  .why-intro{position:static}
  .sec-head{gap:1rem}
  .foot{grid-template-columns:1fr 1fr}
  .burger{display:flex}
  .nav{display:none;position:absolute;top:var(--hh);left:0;right:0;flex-direction:column;align-items:flex-start;gap:1.2rem;padding:1.5rem;background:var(--blue);border-top:1px solid rgba(255,255,255,.15)}
  .nav.open{display:flex}
}
@media (max-width:640px){
  .marks,.bens,.trade{grid-template-columns:1fr}
  .trade>div+div{border-left:0;border-top:1px solid rgba(255,255,255,.2)}
  .trade>div,.svc-item,.form{padding:1.6rem}
  .foot{grid-template-columns:1fr}
  .specs{gap:1.4rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1}
}