/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:6.75rem}
body{margin:0;background:var(--ground);color:var(--ink);font:400 var(--t-body)/1.6 var(--font-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
h1,h2,h3{margin:0;font-family:var(--font-display);font-stretch:125%;font-weight:800;text-transform:uppercase;line-height:1.02;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:var(--t-h1)}
h2{font-size:var(--t-h2)}
h3{font-size:var(--t-h3);font-weight:700;line-height:1.15}
p{margin:0;max-width:62ch}
main{overflow-x:clip;position:relative;z-index:0}
main .wrap{position:relative;z-index:1}

.wrap{max-width:var(--max);margin-inline:auto;padding-left:var(--gutter-l);padding-right:var(--gutter-r)}
.section{position:relative;padding-block:var(--s6)}
.section-head{display:flex;flex-direction:column;gap:var(--s2);margin-bottom:var(--s4)}
.muted{color:var(--ink-2)}
.lead{font-size:var(--t-lead)}

/* OSD: texto de datos, como la telemetría de las gafas */
.osd{font:500 var(--t-osd)/1.3 var(--font-osd);letter-spacing:.08em;text-transform:uppercase;font-variant-numeric:tabular-nums}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.85rem 1.3rem;border:2px solid var(--ink);background:var(--ink);color:var(--on-ink);font:600 var(--t-sm)/1 var(--font-osd);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;transition:background .2s,color .2s}
.btn:hover{background:var(--yellow);color:var(--ink)}
.btn--ghost{background:transparent;color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:var(--on-ink)}
.btn-row{display:flex;flex-wrap:wrap;gap:var(--s2)}

/* ---------- Cabecera ---------- */
.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--ground) 95%,transparent);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:var(--s3);padding-block:.55rem}
.brand img{height:4.6rem;width:auto}
.nav{display:flex;align-items:center;gap:var(--s3)}
.nav a{font:500 var(--t-osd)/1 var(--font-osd);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;padding:.5rem 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current="true"]{border-bottom-color:var(--red)}
.nav a.btn{padding:.7rem 1rem;border:2px solid var(--ink)}
.menu-btn{display:none;width:2.75rem;height:2.75rem;border:2px solid var(--ink);background:transparent;color:var(--ink);place-items:center;cursor:pointer}

/* ---------- Lienzo 3D y etiquetas de canal ---------- */
#fx{position:fixed;inset:0;width:100%;height:100%;z-index:5;pointer-events:none}
.tag{position:fixed;left:0;top:0;z-index:6;pointer-events:none;padding:.2rem .4rem;background:var(--ink);color:var(--yellow);white-space:nowrap;opacity:0;transition:opacity .3s;will-change:transform}
.no-3d #fx,.no-3d .tag{display:none}

/* Puntos de paso invisibles que dan forma a la ruta del dron principal */
.wp{position:absolute;top:0;width:1px;height:1px;pointer-events:none}

/* Huecos donde aterrizan los drones */
.slot{aspect-ratio:1;pointer-events:none}
.slot--abs{position:absolute}

/* ---------- Hero ---------- */
.hero{position:relative;padding-block:var(--s5) var(--s6)}
.hero .wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:var(--s4);align-items:center}
.hero-text{display:flex;flex-direction:column;gap:var(--s3);align-items:flex-start}
.hero-text .osd{color:var(--ink-2)}
.hero h1 span{display:block;white-space:nowrap}
.stage{position:relative;aspect-ratio:1/1;width:100%;max-width:34rem;justify-self:end}
.shard{position:absolute;inset:4% 0 8% 6%;background:var(--yellow);clip-path:polygon(4% 66%,50% 0,64% 56%,100% 32%,58% 100%,45% 42%,26% 76%)}
.stage .fallback{display:none;position:absolute;inset:18%;object-fit:contain}
.no-3d .stage .fallback{display:block}
.no-3d .shard{display:none}

/* Animación inicial: salida de parrilla. El texto parte de un estado visible. */
@media (prefers-reduced-motion:no-preference){
  .hero h1 span,.hero-text>.osd,.hero-text>p,.hero-text>.btn-row{animation:rise var(--dur) var(--ease) backwards}
  .hero h1 span:nth-child(2){animation-delay:.07s}
  .hero h1 span:nth-child(3){animation-delay:.14s}
  .hero-text>p{animation-delay:.24s}
  .hero-text>.btn-row{animation-delay:.32s}
  .shard{animation:shard .9s var(--ease) .15s backwards}
}
@keyframes rise{from{transform:translateY(1.1rem);opacity:.01}}
@keyframes shard{from{clip-path:polygon(4% 66%,4% 66%,4% 66%,4% 66%,4% 66%,4% 66%,4% 66%)}}

/* ---------- Qué hacemos ---------- */
.trio{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--s4)}
.trio article{display:flex;flex-direction:column;gap:var(--s1);border-top:2px solid var(--ink);padding-top:var(--s2)}
.trio .slot{width:8.5rem;margin-bottom:var(--s1)}
.trio p{color:var(--ink-2)}

/* ---------- El dron ---------- */
.anatomy{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:var(--s5);align-items:start}
.anatomy .slot{width:100%;max-width:30rem;position:sticky;top:7.5rem}
.parts{margin:0;display:grid;gap:0}
.parts div{display:grid;grid-template-columns:11rem minmax(0,1fr);gap:var(--s2);padding-block:var(--s2);border-top:1px solid var(--line)}
.parts dt{font:600 var(--t-sm)/1.4 var(--font-osd);letter-spacing:.06em;text-transform:uppercase}
.parts dd{margin:0;color:var(--ink-2)}
.band{margin-top:var(--s4);display:flex;flex-direction:column;gap:var(--s2)}
.channels{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));border:2px solid var(--ink)}
.channels li{list-style:none;display:flex;flex-direction:column;gap:.15rem;padding:.55rem .3rem;text-align:center;border-left:1px solid var(--line)}
.channels li:first-child{border-left:0}
.channels b{font-weight:600}
.channels span{color:var(--ink-2);font-size:.68rem;letter-spacing:.02em}
.channels .on{background:var(--ink);color:var(--yellow)}
.channels .on span{color:var(--on-ink)}
ul.channels{margin:0;padding:0}
.off-l,.off-r{position:absolute;top:35%;width:8rem}
.off-l{left:-14rem}.off-r{right:-14rem}

/* ---------- Campo ---------- */
.campo-head{display:flex;justify-content:space-between;align-items:flex-end;gap:var(--s4);margin-bottom:var(--s4)}
.grid-line{display:flex;gap:var(--s3);flex:none}
.grid-line .slot{width:5.5rem}
/* Vídeo 4:3 (cámara analógica del dron) centrado sobre una banda oscura */
.video{background:var(--ink);display:grid;place-items:center;margin-bottom:var(--s2)}
.video video{display:block;width:100%;max-width:48rem;height:auto;aspect-ratio:4/3;background:var(--ink)}
.photos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-auto-rows:15rem;gap:var(--s2)}
.photos figure{margin:0;position:relative;overflow:hidden}
.photos img{width:100%;height:100%;object-fit:cover}
.photos .wide{grid-column:span 2}
.photos .tall{grid-row:span 2}
.photos figcaption{position:absolute;left:0;bottom:0;padding:.25rem .5rem;background:var(--ink);color:var(--on-ink)}

/* ---------- Dónde ---------- */
.where{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:var(--s5);align-items:stretch}
.where-text{display:flex;flex-direction:column;justify-content:center;gap:var(--s3);align-items:flex-start}
.where-row{display:flex;align-items:center;gap:var(--s4)}
.where .slot{width:7.5rem}
.map{min-height:23rem;max-width:100%;border:2px solid var(--ink);background:var(--surface);position:relative;overflow:hidden}
/* Mapa de OpenStreetMap en gris, con el campo marcado en amarillo */
.map{isolation:isolate}
.map .leaflet-tile-pane{filter:grayscale(1) contrast(1.05)}
.map .map-pin{border-radius:50%;background:var(--yellow);border:3px solid var(--ink);box-shadow:0 0 0 .5rem color-mix(in srgb,var(--yellow) 40%,transparent)}
.map .leaflet-control-attribution{font:400 .68rem var(--font-body)}
.map .leaflet-bar a{border-radius:0;color:var(--ink)}
.map .leaflet-bar{border:2px solid var(--ink);border-radius:0;box-shadow:none}
.coords{border:2px solid var(--ink);padding:var(--s2) var(--s3);display:inline-flex;flex-direction:column;gap:.2rem}

/* ---------- Colaboradores ---------- */
.collab{display:flex;flex-wrap:wrap;gap:var(--s2)}
.collab a{display:block;width:min(100%,16rem);aspect-ratio:16/9;background:#fff;border:1px solid var(--line)}
.collab a:hover{border-color:var(--ink)}
.collab img{width:100%;height:100%;object-fit:contain}

/* ---------- Unirse (bloque amarillo) ---------- */
.join::before{content:"";position:absolute;inset:0;background:var(--yellow);z-index:-1}
.join .wrap{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:var(--s4);align-items:center}
.join-text{display:flex;flex-direction:column;gap:var(--s3);align-items:flex-start}
.steps{margin:0;padding:0;list-style:none;counter-reset:s;display:grid;gap:var(--s2)}
.steps li{counter-increment:s;display:grid;grid-template-columns:2.4rem minmax(0,1fr);align-items:baseline;font-size:var(--t-lead)}
.steps li::before{content:counter(s);font:600 var(--t-sm)/1 var(--font-osd)}
.join .stage{max-width:24rem}
.join .btn:not(.btn--ghost):hover{background:var(--surface);color:var(--ink)}
.mail a{font-weight:600}

/* ---------- Pie ---------- */
.foot{background:var(--ink);color:var(--on-ink);padding-block:var(--s4)}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:var(--s3);align-items:flex-end}
.foot p{color:#B9BDC2;font-size:var(--t-sm)}
.foot a{color:var(--on-ink)}
.legal-links{display:flex;flex-wrap:wrap;gap:.4rem 1.1rem;font-size:var(--t-sm)}
.foot .credit{font-size:.78rem;opacity:.7}
.foot .credit a{color:inherit}

/* ---------- Móvil ---------- */
@media (max-width:820px){
  .menu-btn{display:grid}
  .brand img{height:2.9rem}
  html{scroll-padding-top:5rem}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--ground);border-bottom:1px solid var(--line);padding:0 var(--gutter-r) var(--s2) var(--gutter-l)}
  .nav.open{display:flex}
  .nav a{padding:1rem 0;border-bottom:1px solid var(--line)}
  .nav a.btn{justify-content:center;margin-top:var(--s2)}
  h1{font-size:clamp(1.3rem,6.8vw,3rem)}
  .section{padding-block:var(--s5)}
  .hero{padding-block:var(--s4) var(--s5)}
  .hero .wrap,.anatomy,.where,.join .wrap{grid-template-columns:minmax(0,1fr)}
  .stage{max-width:22rem;justify-self:center}
  .trio{grid-template-columns:minmax(0,1fr);gap:var(--s3)}
  .trio article{display:grid;grid-template-columns:minmax(0,1fr) 6rem;column-gap:var(--s2)}
  .trio .slot{grid-column:2;grid-row:1 / span 3;width:6rem;margin:0}
  .trio h3,.trio p,.trio .osd{grid-column:1}
  .anatomy .slot{position:static;max-width:20rem;margin-inline:auto}
  .parts div{grid-template-columns:minmax(0,1fr);gap:.2rem}
  .channels{grid-template-columns:repeat(4,minmax(0,1fr))}
  .channels li:nth-child(5){border-left:0}
  .channels li:nth-child(n+5){border-top:1px solid var(--line)}
  .campo-head{flex-direction:column;align-items:flex-start}
  .grid-line .slot{width:4.5rem}
  .photos{grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:10rem}
  .where{gap:var(--s4)}
  .where .slot{width:6rem}
  .map{min-height:0;aspect-ratio:4/3}
  .tag{font-size:.62rem}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---------- Páginas legales ---------- */
.legal{padding-block:var(--s5) var(--s6)}
.legal .wrap{max-width:46rem;display:flex;flex-direction:column;gap:var(--s3)}
.legal h1{font-size:var(--t-h2)}
.legal h2{font-size:var(--t-h3);margin-top:var(--s3)}
.legal ul{margin:0;padding-left:1.2rem;display:grid;gap:.4rem;max-width:62ch}
.legal table{border-collapse:collapse;width:100%;font-size:var(--t-sm)}
.legal th,.legal td{text-align:left;vertical-align:top;padding:.55rem .7rem;border:1px solid var(--line)}
.legal th{font:600 var(--t-osd)/1.4 var(--font-osd);letter-spacing:.06em;text-transform:uppercase}
.legal .table-wrap{overflow-x:auto}
.legal mark{background:var(--yellow);color:var(--ink);padding:0 .25rem}
.legal .updated{color:var(--ink-2);font-size:var(--t-sm)}