:root{
  --verde:#5a6b28;
  --verde-osc:#3f4c1c;
  --verde-claro:#eef1e4;
  --tinta:#222;
  --gris:#6b6b6b;
  --linea:#e3e3e3;
  --fondo:#fff;
  --serif:"Lora",Georgia,serif;
  --sans:"Source Sans 3","Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;font-family:var(--sans);color:var(--tinta);background:var(--fondo);line-height:1.5;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--verde);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:var(--serif);color:var(--verde);font-weight:600;line-height:1.15;margin:0 0 .5em}
h2{font-size:clamp(1.8rem,3.5vw,2.6rem)}
h4{margin:0 0 .35em;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--verde)}
ul{margin:0;padding-left:1.1em}
li{margin:.15em 0}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.lead{font-size:1.1rem;max-width:62ch}

/* header */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:10px 20px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--linea)}
.brand{font-family:var(--serif);font-weight:600;font-size:1.1rem;color:var(--verde-osc)}
.top nav a{margin-left:22px;font-weight:600;color:var(--tinta)}
.burger{display:none;width:32px;height:28px;position:relative;cursor:pointer}
.burger span,.burger span::before,.burger span::after{content:"";position:absolute;left:4px;width:24px;height:2px;background:var(--verde-osc);transition:.2s}
.burger span{top:13px}.burger span::before{top:-7px}.burger span::after{top:7px}
@media (max-width:640px){
  .burger{display:block}
  .top nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--linea);padding:10px 20px 16px}
  .top nav a{display:block;margin:0;padding:10px 0;border-top:1px solid var(--linea)}
  #menu:checked ~ nav{display:block}
}

/* hero */
.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:calc(100vh - 54px);max-width:1200px;margin:0 auto;padding:40px 20px;gap:30px}
.hero-text .kicker{color:var(--gris);letter-spacing:.14em;text-transform:uppercase;font-size:.8rem;margin:0 0 1em}
.hero h1{font-size:clamp(2.4rem,5vw,4rem);margin:0 0 .25em}
.hero .rol{font-family:var(--serif);font-size:1.4rem;color:var(--verde-osc);margin:0 0 .8em}
.hero .claim{font-size:1.15rem;color:var(--gris);max-width:44ch}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:1.6em}
.btn{display:inline-block;background:var(--verde);color:#fff;padding:12px 22px;border-radius:4px;font-weight:600}
.btn:hover{background:var(--verde-osc);text-decoration:none}
.btn.ghost{background:transparent;color:var(--verde);border:2px solid var(--verde)}
.hero-img{width:100%;height:auto;border-radius:6px}
@media (max-width:800px){.hero{grid-template-columns:1fr;min-height:0;padding-top:30px}.hero-img{order:-1}}

/* about */
.about{background:var(--verde-claro);padding:70px 0}
.about-grid{display:grid;grid-template-columns:300px 1fr;gap:40px;align-items:start}
.retrato{border-radius:6px;filter:grayscale(1)}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:1.5em}
.cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:30px;margin-top:50px;padding-top:40px;border-top:1px solid #d6dac6}
.form li{list-style:none;margin:0 0 .6em}.form{padding:0}.form strong{display:block;font-weight:600}.form span{color:var(--gris);font-size:.95rem}
@media (max-width:700px){.about-grid{grid-template-columns:1fr}.retrato{max-width:320px}}

/* works */
.works{padding:70px 0 0}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 40px}
.subnav a{border:1px solid var(--verde);border-radius:999px;padding:6px 14px;font-size:.92rem;font-weight:600}
.subnav a:hover{background:var(--verde);color:#fff;text-decoration:none}
.work{margin:0 0 20px}
.banner{height:260px;background-size:cover;background-position:center;display:flex;align-items:flex-end;padding:30px 20px}
.banner h3{color:#fff;font-size:clamp(1.6rem,3vw,2.4rem);margin:0;max-width:1100px;width:100%;margin-inline:auto;text-shadow:0 2px 14px rgba(0,0,0,.5)}
.grid{max-width:1100px;margin:0 auto;padding:30px 20px 40px;columns:3;column-gap:20px}
.card{break-inside:avoid;margin:0 0 20px;background:#fff;border:1px solid var(--linea);border-radius:6px;overflow:hidden}
.card img{width:100%}
.card figcaption{padding:10px 12px 12px;font-size:.9rem;line-height:1.35}
.card strong{display:block;font-weight:600}
.card span{color:var(--gris);font-size:.85rem}
@media (max-width:900px){.grid{columns:2}}
@media (max-width:560px){.grid{columns:1}.banner{height:180px}}

/* clients, contact */
.clients{background:var(--verde-claro);padding:60px 0}
.clients p{max-width:80ch;line-height:1.8}
.contact{padding:70px 0}
.contact .big{font-size:1.3rem;font-family:var(--serif)}
.lbl{display:inline-block;min-width:90px;color:var(--gris);font-size:.85rem;text-transform:uppercase;letter-spacing:.1em}
footer{border-top:1px solid var(--linea);padding:24px 20px;text-align:center;color:var(--gris);font-size:.9rem}

/* lightbox */
.lb{position:fixed;inset:0;z-index:50;background:rgba(10,12,6,.94);display:flex;align-items:center;justify-content:center}
.lb[hidden]{display:none}
.lb figure{margin:0;max-width:min(96vw,1400px);max-height:100vh;display:flex;flex-direction:column;align-items:center;padding:16px}
.lb img{max-height:82vh;max-width:100%;width:auto;object-fit:contain;box-shadow:0 10px 40px rgba(0,0,0,.6)}
.lb figcaption{color:#fff;text-align:center;margin-top:12px;max-width:70ch}
.lb figcaption strong{display:block}.lb figcaption span{color:#bbb;font-size:.9rem}
.lb button{position:absolute;background:none;border:0;color:#fff;font-size:3rem;cursor:pointer;line-height:1;padding:10px 16px;opacity:.8}
.lb button:hover{opacity:1}
.lb-close{top:8px;right:14px}
.lb-prev{left:6px;top:50%;transform:translateY(-50%)}
.lb-next{right:6px;top:50%;transform:translateY(-50%)}