:root{
  color-scheme:dark;
  --ink:#0B0B0C; --ink-2:#121214; --ink-3:#1A1A1D;
  --line:rgba(242,240,235,.08); --line-2:rgba(242,240,235,.15); --line-3:rgba(242,240,235,.3);
  --paper:#F2F0EB; --sheet:#F4F6F7; --mute:#9A9890; --dim:#5E5C57;
  --lime:#FFC21A;
  --sans:"Instrument Sans", system-ui, sans-serif; --cond:"Anton","Impact",sans-serif;
  --mono:"Space Mono", ui-monospace, monospace;
  --gut:clamp(16px,4vw,64px);
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--ink)}
body{background:var(--ink);color:var(--paper);font-family:var(--sans);line-height:1.55;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px),
    linear-gradient(rgba(220,228,236,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(220,228,236,.035) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;opacity:.55}
main,header,footer{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit}
::selection{background:var(--lime);color:var(--ink)}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.wrap{max-width:1320px;margin:0 auto;padding:0 var(--gut)}

/* nav (igual que la landing) */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(11,11,12,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav__in{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:block}
.brand small{font-family:var(--mono);font-size:8.5px;letter-spacing:.42em;color:var(--mute);margin-right:-.42em}
.nav__links{display:flex;gap:26px;margin-left:auto;font-size:14px;color:var(--mute)}
.nav__links a{position:relative;transition:color .25s}
.nav__links a:hover,.nav__links a[aria-current]{color:var(--paper)}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.nav__links a:hover::after,.nav__links a[aria-current]::after{transform:scaleX(1)}
.lang{display:flex;border:1px solid var(--line-2);border-radius:6px;padding:3px;font-family:var(--mono);font-size:11px}
.lang button{background:none;border:0;color:var(--mute);padding:5px 9px;border-radius:4px;cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--paper);color:var(--ink)}
.btn{display:inline-flex;align-items:center;gap:10px;height:46px;padding:0 20px;border-radius:6px;font-size:14.5px;font-weight:600;cursor:pointer;border:1px solid transparent;transition:background .3s}
.btn--solid{background:var(--lime);color:var(--ink)}
.btn--solid:hover{background:#FFD65E}
.nav .btn{height:40px;padding:0 16px;font-size:13.5px}
.burger{display:none;background:none;border:1px solid var(--line-2);border-radius:6px;width:40px;height:40px;cursor:pointer;margin-left:10px}
.burger i{display:block;width:16px;height:1.5px;background:var(--paper);margin:4px auto}
@media (max-width:960px){
  .nav__links,.nav .btn{display:none}
  .burger{display:block}
  .nav .lang{margin-left:auto}
  .nav.open .nav__links{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:var(--ink);border-bottom:1px solid var(--line);padding:8px var(--gut) 20px;font-size:18px}
  .nav.open .nav__links a{padding:14px 0;border-bottom:1px solid var(--line);color:var(--paper)}
  .nav.open .nav__links a::after{display:none}
}

/* cabecera de pagina */
.phead{padding:clamp(130px,16vw,190px) 0 clamp(40px,6vw,72px)}
.back{display:inline-block;font-family:var(--mono);font-size:12px;color:var(--mute);margin-bottom:28px;transition:color .25s}
.back:hover{color:var(--lime)}
.tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--lime);display:flex;align-items:center;gap:10px;margin-bottom:20px}
.tag::before{content:"";width:8px;height:8px;border:1px solid var(--lime)}
h1{font-size:clamp(42px,7vw,104px);line-height:.92;font-weight:800;font-variation-settings:"wdth" 118;letter-spacing:-.035em;max-width:14ch}
h1 .lite{font-weight:300;color:var(--mute)}
.lead{font-size:clamp(16px,1.3vw,19px);color:#AEB6BE;max-width:56ch;margin-top:26px}
.phead__row{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(24px,5vw,80px);align-items:start}
.facts{margin-top:26px;border-top:1px solid var(--line-2)}
.facts div{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line-2);align-items:baseline}
.facts dt{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.facts dd{font-size:15px}
@media (max-width:860px){.phead__row{grid-template-columns:1fr}}

.tags{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-family:var(--mono);font-size:10.5px;padding:3px 8px;border:1px solid var(--line-2);border-radius:3px;color:var(--mute)}

/* rejilla de proyectos */
.pgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2vw,28px)}
.pc{display:flex;flex-direction:column;gap:10px;padding:12px 12px 18px;border:1px solid var(--line-2);background:rgba(18,18,20,.8);transition:border-color .35s,transform .5s var(--ease)}
.pc:hover{border-color:var(--lime);transform:translateY(-4px)}
.pc__img{aspect-ratio:4/3;background:var(--sheet);overflow:hidden;display:grid;place-items:center}
.pc__img img{width:100%;height:100%;object-fit:contain;padding:10px;transition:transform .8s var(--ease)}
.pc:hover .pc__img img{transform:scale(1.04)}
.pc__meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10.5px;color:var(--dim);letter-spacing:.06em;margin-top:6px}
.pc__code{color:var(--lime)}
.pc h2{font-size:22px;line-height:1.1;font-weight:700;font-variation-settings:"wdth" 110;letter-spacing:-.015em}
.pc__place{font-size:14px;color:var(--mute);margin-top:-4px}
.pc .tags{margin-top:auto;padding-top:8px}
@media (max-width:980px){.pgrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.pgrid{grid-template-columns:1fr}}

/* galeria de laminas */
.gal__grid{columns:2;column-gap:clamp(14px,2vw,24px)}
.sh{position:relative;display:block;width:100%;break-inside:avoid;margin-bottom:clamp(14px,2vw,24px);padding:14px;background:var(--sheet);border:0;cursor:zoom-in;transition:transform .5s var(--ease),box-shadow .5s}
.sh:hover{transform:translateY(-3px);box-shadow:0 0 0 1px var(--lime),0 20px 50px -20px rgba(0,0,0,.6)}
.sh img{width:100%}
.sh__n{position:absolute;right:10px;bottom:8px;font-family:var(--mono);font-size:10px;color:#6B737C;background:rgba(244,246,247,.9);padding:2px 6px}
@media (max-width:700px){.gal__grid{columns:1}}

.pnav{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-2);border:1px solid var(--line-2);margin-top:clamp(56px,8vw,100px)}
.pnav a{background:var(--ink);padding:26px 24px;font-size:clamp(18px,2vw,26px);font-weight:700;font-variation-settings:"wdth" 110;transition:background .3s,color .3s}
.pnav a:hover{background:var(--ink-2);color:var(--lime)}
.pnav a.r{text-align:right}
.pnav small{display:block;font-family:var(--mono);font-size:10.5px;font-weight:400;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);margin-bottom:6px}

.cta{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;padding-top:clamp(64px,9vw,120px);padding-bottom:clamp(64px,9vw,120px)}
.cta h2{font-size:clamp(28px,3.6vw,48px);line-height:1;font-weight:750;font-variation-settings:"wdth" 112;letter-spacing:-.025em}

/* visor */
.lb{position:fixed;inset:0;z-index:100;background:rgba(4,5,6,.94);display:grid;place-items:center;padding:56px 64px}
.lb[hidden]{display:none}
.lb img{max-width:100%;max-height:calc(100vh - 112px);background:var(--sheet);padding:12px;object-fit:contain}
.lb button{position:absolute;background:none;border:1px solid var(--line-3);color:var(--paper);width:48px;height:48px;border-radius:50%;font-size:26px;line-height:1;cursor:pointer;transition:border-color .25s,color .25s}
.lb button:hover{border-color:var(--lime);color:var(--lime)}
.lb__x{top:16px;right:16px}
.lb__p{left:12px;top:50%;transform:translateY(-50%)}
.lb__n{right:12px;top:50%;transform:translateY(-50%)}
.lb__c{position:absolute;bottom:18px;left:50%;transform:translateX(-50%);font-family:var(--mono);font-size:12px;color:var(--mute)}
@media (max-width:700px){.lb{padding:64px 10px}.lb__p,.lb__n{top:auto;bottom:10px;transform:none}}

footer{border-top:1px solid var(--line);padding:28px 0 36px}
.foot__bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--mono);font-size:11px;color:var(--dim)}
.foot__bar a:hover{color:var(--lime)}

.rv{opacity:0;transform:translateY(18px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* Overlap: tipografia condensada y textura LED */
h1,.pc h2,.pnav a,.cta h2{font-family:var(--cond);text-transform:uppercase;font-variation-settings:normal;letter-spacing:0}
h1{font-size:clamp(50px,8vw,120px);line-height:.88;font-weight:800;max-width:12ch}
.pc h2{font-size:26px;line-height:1}
.cta h2{font-size:clamp(36px,4.6vw,64px);line-height:.92;font-weight:700}
.btn{font-family:var(--cond);font-size:17px;letter-spacing:.04em;text-transform:uppercase;border-radius:3px}
.tag::before{border:0;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime)}


/* SDG: logo tipografico, Anton sin negrita sintetica, botones mono */
.logo{display:inline-flex;align-items:stretch;gap:.12em;font-family:var(--cond);line-height:.86;color:var(--paper);font-size:30px}
.logo b{font-weight:400}
.logo i{font-style:normal;font-size:.25em;writing-mode:vertical-rl;transform:rotate(180deg);background:var(--paper);color:var(--ink);padding:.18em .12em;letter-spacing:.06em;display:flex;align-items:center;justify-content:center}
@media (max-width:960px){.logo{font-size:24px}}
h1,.pc h2,.pnav a,.cta h2{font-weight:400}
.btn{font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:.06em;border-radius:0}
.tag::before{width:18px;height:6px;border-radius:0;box-shadow:none;background:repeating-linear-gradient(-45deg,var(--lime) 0 3px,transparent 3px 6px)}

/* Overlap: logo en imagen */
.brand img{height:30px;width:auto}
@media (max-width:960px){.brand img{height:24px}}