:root{
  --negro:#0B0D0B; --turquesa:#26AE98; --teal:#0E6B5D; --noche:#0A2A26; --menta:#8ED8C9;
  --hueso:#F5F2EA; --piedra:#DDD7C9; --grafito:#3B3F3B; --blanco:#fff;
  --serif:"Lora",Georgia,"Times New Roman",serif; --sans:"Inter",Arial,Helvetica,sans-serif;
  --gut:clamp(20px,5vw,72px); --max:1240px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:var(--sans);font-size:17px;line-height:1.65;color:var(--grafito);background:var(--blanco);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.skip{position:absolute;left:-999px;top:8px;background:var(--turquesa);color:var(--negro);padding:10px 16px;z-index:200;font-weight:600}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--turquesa);outline-offset:3px}

/* Tipografía */
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.12;letter-spacing:-.01em;color:var(--negro)}
h1{font-size:clamp(38px,6.2vw,76px)}
h2{font-size:clamp(30px,4.2vw,50px)}
h3{font-size:clamp(22px,2.4vw,28px)}
.eyebrow{font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;font-weight:600;color:var(--teal);margin-bottom:18px;display:block}
.dark .eyebrow{color:var(--turquesa)}.hero .eyebrow{color:var(--menta)}
.lead{font-size:clamp(18px,1.6vw,21px);line-height:1.6;max-width:62ch}
.rule{width:56px;height:2px;background:var(--turquesa);margin:26px 0;border:0}

/* Botones */
.btn{display:inline-block;padding:15px 30px;font:600 15px/1 var(--sans);letter-spacing:.04em;text-decoration:none;border:1.5px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s}
.btn-p{background:var(--turquesa);color:var(--negro)}
.btn-p:hover{background:var(--menta)}
.btn-o{border-color:rgba(255,255,255,.7);color:#fff}
.btn-o:hover{background:#fff;color:var(--negro)}
.btn-k{background:var(--negro);color:#fff}
.btn-k:hover{background:var(--teal)}

/* Header */
header.top{position:fixed;inset:0 0 auto 0;z-index:100;transition:background .25s,box-shadow .25s}
header.top.solid{background:rgba(11,13,11,.94);box-shadow:0 1px 0 rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.nav .logo img{height:44px;width:auto}
.nav ul{display:flex;gap:34px;list-style:none;align-items:center}
.nav ul a{color:#fff;text-decoration:none;font-size:14.5px;letter-spacing:.06em}
.nav ul a:hover{color:var(--turquesa)}
.nav .btn{padding:11px 20px;font-size:13.5px}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:#fff;margin:6px auto;transition:.2s}

/* Hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end;color:#fff;background:var(--negro) url(img/hero.jpg) center 30%/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,13,11,.62) 0%,rgba(11,13,11,.25) 55%,rgba(11,13,11,0) 80%),linear-gradient(0deg,rgba(11,13,11,.9) 0%,rgba(11,13,11,.5) 36%,rgba(11,13,11,.15) 68%,rgba(11,13,11,.5) 100%)}
.hero .wrap{position:relative;width:100%;padding-bottom:clamp(48px,9vh,96px);padding-top:140px}
.hero h1{color:#fff;max-width:17ch;font-size:clamp(38px,5.4vw,70px)}
.hero p{margin-top:24px;max-width:54ch;font-size:clamp(17px,1.5vw,20px);color:rgba(255,255,255,.88)}
.hero .cta{margin-top:36px;display:flex;gap:14px;flex-wrap:wrap}

/* Pilares */
.pillars{background:var(--negro);color:#fff}
.pillars .grid{display:grid;grid-template-columns:repeat(3,1fr)}
.pillar{padding:44px 32px 46px 0;border-top:2px solid var(--turquesa);margin-right:32px}
.pillar:last-child{margin-right:0}
.pillar b{font:500 13px var(--sans);letter-spacing:.2em;color:var(--turquesa)}
.pillar h3{color:#fff;margin:10px 0 10px}
.pillar p{color:rgba(255,255,255,.72);font-size:16px}

section{padding:clamp(72px,10vw,132px) 0}
.light{background:var(--hueso)}
.dark{background:var(--negro);color:rgba(255,255,255,.78)}
.dark h2,.dark h3{color:#fff}
.head{max-width:760px;margin-bottom:clamp(40px,5vw,64px)}

/* Proyectos */
.proj{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.card{background:#fff;padding:clamp(28px,3.4vw,48px);border-top:3px solid var(--turquesa);display:flex;flex-direction:column}
.card .tag{font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);font-weight:600}
.card h3{margin:14px 0 14px}
.card p{margin-bottom:26px}
.card a.more{margin-top:auto;font-weight:600;color:var(--negro);text-decoration:none;border-bottom:2px solid var(--turquesa);align-self:flex-start;padding-bottom:3px}
.card a.more:hover{color:var(--teal)}

/* Galería */
.mosaic{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:300px 300px;gap:14px;margin-top:clamp(48px,6vw,80px)}
.mosaic figure{position:relative;overflow:hidden;background:var(--negro)}
.mosaic figure:first-child{grid-row:span 2}
.mosaic img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.mosaic figure:hover img{transform:scale(1.04)}
.mosaic figcaption{position:absolute;left:0;right:0;bottom:0;padding:44px 18px 14px;font-size:14px;color:#fff;background:linear-gradient(0deg,rgba(11,13,11,.82),rgba(11,13,11,0))}
.note{font-size:14px;color:var(--grafito);margin-top:16px}

/* Proceso */
.proc{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(36px,6vw,88px);align-items:start}
.steps{list-style:none;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:64px 1fr;gap:6px 14px;padding:26px 0;border-top:1px solid rgba(255,255,255,.16)}
.steps li:last-child{border-bottom:1px solid rgba(255,255,255,.16)}
.steps li::before{content:"0" counter(s);font:500 30px var(--serif);color:var(--turquesa);grid-row:span 2}
.steps h3{font-size:22px}
.steps p{font-size:16px;color:rgba(255,255,255,.72)}
.proc figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.proc figcaption{font-size:14px;margin-top:12px;color:rgba(255,255,255,.6)}

/* Nosotros */
.about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,88px);align-items:center;margin-bottom:clamp(56px,7vw,96px)}
.about img{width:100%;aspect-ratio:3/2;object-fit:cover}
.about p+p{margin-top:16px}
.team{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.person{display:grid;grid-template-columns:200px 1fr;gap:26px;background:var(--hueso);padding:26px}
.person img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:center 15%}
.person .role{font-size:12.5px;letter-spacing:.15em;text-transform:uppercase;color:var(--teal);font-weight:600;margin:6px 0 12px}
.person p{font-size:16px}

/* Respaldo */
.back{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.back div{border-top:2px solid var(--turquesa);padding-top:20px}
.back h3{font-size:21px;margin-bottom:8px}
.back p{font-size:16px}
.legal{margin-top:44px;font-size:14.5px;color:var(--grafito)}

/* Contacto */
.contact{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(36px,6vw,96px)}
form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
form .full{grid-column:1/-1}
label{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:rgba(255,255,255,.7);display:block;margin-bottom:6px}
input,select,textarea{width:100%;font:16px var(--sans);color:#fff;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.28);padding:14px 14px;border-radius:0}
select option{color:#000}
textarea{min-height:130px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--turquesa);outline-offset:0;border-color:var(--turquesa)}
.chk{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.75);text-transform:none;letter-spacing:0}
.chk input{width:20px;height:20px;margin-top:3px;flex:none;accent-color:var(--turquesa)}
.chk a{color:var(--menta)}
.hp{position:absolute;left:-5000px}
#msg{font-size:15px;padding:14px 16px;display:none}
#msg.ok{display:block;background:rgba(38,174,152,.16);color:var(--menta)}
#msg.err{display:block;background:rgba(255,120,100,.14);color:#ffb4a8}

footer{background:var(--negro);color:rgba(255,255,255,.62);padding:56px 0 40px;font-size:14.5px;border-top:1px solid rgba(255,255,255,.1)}
footer .row{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;align-items:flex-start}
footer img{height:46px;width:auto;margin-bottom:16px}
footer ul{list-style:none;display:flex;gap:26px;flex-wrap:wrap}
footer a{text-decoration:none}
footer a:hover{color:var(--turquesa)}
footer .fine{margin-top:36px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:13px}

/* Página legal */
.doc{padding:150px 0 90px;max-width:820px}
.doc h1{font-size:clamp(34px,5vw,52px);margin-bottom:10px}
.doc h2{font-size:26px;margin:36px 0 10px}
.doc p,.doc li{margin-bottom:12px}
.doc ul{padding-left:22px}

.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .8s,transform .8s}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .reveal{opacity:1;transform:none;transition:none}.mosaic img{transition:none}}

@media (max-width:980px){
  .burger{display:block}
  .nav ul{position:fixed;inset:76px 0 auto 0;background:var(--negro);flex-direction:column;gap:0;padding:8px var(--gut) 28px;display:none;align-items:stretch}
  .nav ul.open{display:flex}
  .nav ul li{border-bottom:1px solid rgba(255,255,255,.1)}
  .nav ul a{display:block;padding:16px 0;font-size:17px}
  .nav ul .btn{margin-top:18px;text-align:center}
  header.top.menu{background:var(--negro)}
  .pillars .grid,.proj,.proc,.about,.team,.back,.contact{grid-template-columns:1fr}
  .pillar{margin-right:0;padding-bottom:30px}
  .mosaic{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .mosaic figure,.mosaic figure:first-child{grid-row:auto;height:240px}
  .mosaic figure:first-child{grid-column:1/-1;height:300px}
  .person{grid-template-columns:130px 1fr;padding:18px;gap:18px}
  form{grid-template-columns:1fr}
  .proc figure{order:-1}
}
@media (max-width:520px){
  body{font-size:16.5px}
  .person{grid-template-columns:1fr}
  .person img{max-width:220px}
  .mosaic{grid-template-columns:1fr}
  .mosaic figure,.mosaic figure:first-child{height:230px}
}

.club{margin-top:clamp(56px,7vw,96px)}
.club h3{font-size:clamp(26px,3vw,36px);max-width:22ch;margin-bottom:14px}
.club .lead{margin-bottom:34px}
.club .back div{background:#fff;padding:24px 26px 26px}
.club .back h3{font-size:21px;max-width:none;margin-bottom:8px}

.member{margin-top:44px;padding-top:30px;border-top:1px solid var(--piedra);max-width:70ch}
.member a{color:var(--teal);font-weight:600;text-decoration:none;border-bottom:2px solid var(--turquesa);white-space:nowrap}