:root{
  --fir:#17332C;--fir-2:#21463D;--fir-3:#0F231E;
  --stone:#E3E6E0;--paper:#F8F8F5;--ink:#17231F;--muted:#5A6762;
  --amber:#D19A3A;--line:#C9CEC7;
  --head:"Archivo","Arial Narrow",Arial,sans-serif;
  --body:"Public Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font:400 1.0625rem/1.7 var(--body);color:var(--ink);background:var(--paper)}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--head);line-height:1.1;margin:0}
p{margin:0 0 1.1em;max-width:68ch}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.wrap{width:min(var(--wrap),100% - 3rem);margin-inline:auto}
.section{padding:clamp(4.5rem,9vw,8rem) 0}
.h2{font-size:clamp(2rem,3.8vw,3.2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:1.4rem}

/* buttons */
.btn{display:inline-block;padding:.85rem 1.5rem;font:600 .98rem var(--body);text-decoration:none;border:2px solid transparent;border-radius:2px;cursor:pointer;transition:background .2s,color .2s,transform .2s,border-color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:var(--fir-3)}
.btn-amber:hover{background:#e0ab4c}
.btn-line{border-color:rgba(248,248,245,.5);color:var(--paper)}
.btn-line:hover{border-color:var(--paper)}
.btn-dark{background:var(--fir);color:var(--paper)}
.btn-dark:hover{background:var(--fir-2)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--fir);color:var(--paper);border-bottom:1px solid rgba(255,255,255,.1)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:76px}
.brand{display:flex;align-items:center;gap:.8rem;text-decoration:none}
.brand strong{display:block;font:800 1.25rem var(--head);letter-spacing:.02em;line-height:1.1}
.brand small{display:block;font-size:.78rem;opacity:.75}
.brand-mark{width:30px;height:30px;border:2px solid var(--amber);border-bottom-width:8px;position:relative}
.brand-mark::before{content:"";position:absolute;left:-2px;right:-2px;top:-10px;height:10px;background:linear-gradient(135deg,transparent 50%,var(--amber) 50%) left/50% 100% no-repeat,linear-gradient(225deg,transparent 50%,var(--amber) 50%) right/50% 100% no-repeat}
.nav{display:flex;align-items:center;gap:2rem}
.nav a{text-decoration:none;font-weight:500;font-size:.98rem;opacity:.9}
.nav a:not(.btn):hover{color:var(--amber);opacity:1}
.nav .btn{padding:.6rem 1.15rem;opacity:1}
.nav-toggle{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:10px;right:10px;height:2px;background:var(--paper);transition:transform .25s}
.nav-toggle span:first-child{top:17px}.nav-toggle span:last-child{top:25px}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(4px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-4px) rotate(-45deg)}

/* hero */
.hero{background:var(--fir);color:var(--paper);padding:clamp(3.5rem,7vw,6.5rem) 0 clamp(4rem,8vw,7rem);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.tag{display:inline-block;margin-bottom:1.4rem;padding:.3rem .8rem;border-left:3px solid var(--amber);font-size:.95rem;background:rgba(255,255,255,.07)}
.hero h1{font-size:clamp(2.6rem,5.6vw,5.1rem);font-weight:800;letter-spacing:-.03em;margin-bottom:1.6rem;animation:rise .9s ease both}
.lead{font-size:1.2rem;opacity:.88;max-width:56ch;animation:rise .9s .15s ease both}
.actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.2rem;animation:rise .9s .3s ease both}
.hero-art{margin:0;color:var(--stone)}
.hero-art svg{width:100%;height:auto}
.hero-art .amber{stroke:var(--amber)}
.hero-art figcaption{margin-top:.6rem;font-size:.82rem;opacity:.55}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}

/* facts strip */
.facts{background:var(--stone);border-bottom:1px solid var(--line)}
.facts-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.facts-grid div{padding:2rem 1.5rem 2rem 0;border-right:1px solid var(--line);margin-right:1.5rem}
.facts-grid div:last-child{border:0;margin:0}
.facts h2{font-size:1.2rem;font-weight:700;margin-bottom:.4rem}
.facts p{margin:0;color:var(--muted);font-size:.97rem;line-height:1.5}

/* about */
.about-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(2rem,6vw,6rem);align-items:start}
.panel{background:var(--fir);color:var(--paper);padding:2rem;border-radius:2px;position:sticky;top:110px}
.panel svg{color:var(--stone);margin-bottom:1.5rem;opacity:.9}
.panel dl{margin:0}
.panel dl div{padding:.9rem 0;border-top:1px solid rgba(255,255,255,.18)}
.panel dt{font-size:.85rem;opacity:.65}
.panel dd{margin:0;font-weight:500;overflow-wrap:anywhere}
.panel a{color:var(--amber)}

/* services */
.services{background:var(--stone)}
.services-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,6vw,6rem)}
.services-intro{align-self:start;position:sticky;top:110px}
.group{font-size:1rem;color:var(--muted);font-weight:600;padding:1.6rem 0 .7rem;border-bottom:2px solid var(--ink)}
.group:first-child{padding-top:0}
details{border-bottom:1px solid var(--line)}
summary{display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.35rem 0;cursor:pointer;list-style:none;font:700 1.4rem var(--head);transition:color .2s,padding .2s}
summary::-webkit-details-marker{display:none}
summary:hover{color:var(--fir-2);padding-left:.5rem}
summary i{flex:none;width:22px;height:22px;position:relative}
summary i::before,summary i::after{content:"";position:absolute;left:0;right:0;top:10px;height:2px;background:var(--fir);transition:transform .25s}
summary i::after{transform:rotate(90deg)}
details[open] summary i::after{transform:rotate(0)}
details p{padding:0 2.5rem 1.5rem 0;color:var(--muted);animation:rise .4s ease both}

/* approach */
.approach{background:var(--paper)}
.steps{list-style:none;margin:2.5rem 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink)}
.steps li{padding:2rem 1.8rem 0 0;position:relative}
.steps li span{position:absolute;top:-17px;left:0;width:32px;height:32px;background:var(--amber);display:grid;place-items:center;font:800 1rem var(--head)}
.steps h3{font-size:1.5rem;margin:.6rem 0 .6rem}
.steps p{color:var(--muted)}

/* why */
.why{background:var(--fir);color:var(--paper)}
.why-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,6vw,6rem)}
.why-intro{align-self:start;position:sticky;top:110px}
.why-intro p{opacity:.85;font-size:1.15rem}
.why-list{list-style:none;margin:0;padding:0}
.why-list li{padding:1.6rem 0 1.6rem 1.6rem;border-left:3px solid rgba(255,255,255,.18);transition:border-color .25s,background .25s}
.why-list li:hover{border-left-color:var(--amber);background:rgba(255,255,255,.04)}
.why-list li:nth-child(odd){margin-left:0}
.why-list li:nth-child(even){margin-left:2.5rem}
.why-list h3{font-size:1.4rem;margin-bottom:.4rem}
.why-list p{margin:0;opacity:.82}

/* contact */
.contact{background:var(--stone)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,6vw,6rem)}
address{font-style:normal;margin:1.8rem 0;padding:1.4rem 1.5rem;background:var(--paper);border-left:4px solid var(--amber)}
address a{color:var(--fir-2);font-weight:600}
.small{font-size:.92rem;color:var(--muted)}
.form{background:var(--paper);padding:clamp(1.5rem,3vw,2.5rem);border:1px solid var(--line);display:grid;gap:1.1rem}
.field{display:flex;flex-direction:column;gap:.35rem}
.field label{font-weight:600;font-size:.95rem}
input,select,textarea{font:inherit;padding:.75rem .9rem;border:1.5px solid #9aa59f;background:#fff;border-radius:2px;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(209,154,58,.5);border-color:var(--fir)}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:#a8321f}
.err{color:#a8321f;font-size:.88rem;min-height:0}
.check{flex-direction:row;flex-wrap:wrap;align-items:flex-start;gap:.6rem}
.check input{width:20px;height:20px;margin-top:.2rem}
.check label{flex:1;font-weight:400}
.check .err{flex-basis:100%}
.status{margin:0;font-weight:600;color:var(--fir-2)}

/* footer */
.site-footer{background:var(--fir-3);color:var(--paper);padding-top:3.5rem}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem}
.foot p{opacity:.8;margin:.6rem 0 0}
.foot nav{display:flex;gap:1.5rem;align-self:flex-start}
.foot a{text-decoration:none;opacity:.85}.foot a:hover{color:var(--amber);opacity:1}
.legal{margin-top:2.5rem;padding:1.4rem 0;border-top:1px solid rgba(255,255,255,.14);font-size:.88rem;opacity:.65}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* responsive */
@media (max-width:1000px){
  .hero-grid,.about-grid,.services-grid,.why-grid,.contact-grid{grid-template-columns:1fr}
  .panel,.services-intro,.why-intro{position:static}
  .hero-art{max-width:480px}
  .facts-grid{grid-template-columns:1fr 1fr}
  .facts-grid div{border:0;margin:0;padding:1.4rem 1rem 1.4rem 0}
  .steps{grid-template-columns:1fr 1fr;row-gap:2.5rem}
}
@media (max-width:820px){
  .nav-toggle{display:block}
  .nav{position:absolute;top:76px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:var(--fir);padding:.5rem 1.5rem 1.5rem;display:none;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav.open{display:flex}
  .nav a{padding:.9rem 0;border-bottom:1px solid rgba(255,255,255,.1)}
  .nav .btn{margin-top:1rem;text-align:center;border:0}
}
@media (max-width:560px){
  .wrap{width:calc(100% - 2rem)}
  .facts-grid,.steps{grid-template-columns:1fr}
  .why-list li:nth-child(even){margin-left:0}
  summary{font-size:1.2rem}
  details p{padding-right:0}
  .brand small{display:none}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}