/* dubairobot.store — papel claro + naranja de señalética industrial.
   Tema claro fijo. Todo pintado explícito; la portada es el único bloque oscuro. */

:root{
  --ground:#ffffff;
  --surface:#f3f5f6;
  --surface-2:#e9edee;
  --ink:#10151a;
  --ink-2:#3b4750;
  --muted:#6a7981;
  --line:#d3dade;
  --line-strong:#10151a;
  --line-soft:#e6eaec;
  --signal:#cf4c07;
  --signal-deep:#a63c05;
  --steel:#5d707a;
  --ok:#12704a;
  --ok-bg:#dff0e7;
  --warn:#8a5502;
  --warn-bg:#f8ecd6;
  --bad:#9a1f2b;
  --bad-bg:#f8dee1;
  --maxw:1160px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ground)}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:Barlow,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.62;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--signal);text-underline-offset:3px}
a:hover{color:var(--signal-deep)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.narrow{max-width:70ch}

h1,h2,h3,.display{
  font-family:"Saira Condensed",Barlow,sans-serif;
  font-weight:700;letter-spacing:.005em;margin:0;text-wrap:balance;line-height:1.02;
}
h2{font-size:clamp(1.9rem,3.6vw,2.7rem);text-transform:uppercase}
h3{font-size:1.28rem;text-transform:none;letter-spacing:0;line-height:1.24;font-weight:600}
p{margin:0 0 17px}
strong{font-weight:600;color:var(--ink)}

.spec{
  font-family:"IBM Plex Mono",ui-monospace,monospace;
  font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--signal);
}
.spec.dim{color:var(--muted)}

/* ---------- barra ---------- */
.nav{border-bottom:2px solid var(--line-strong);background:rgba(255,255,255,.94);position:sticky;top:0;z-index:30;backdrop-filter:blur(8px)}
.nav .wrap{display:flex;align-items:center;gap:26px;min-height:64px;flex-wrap:wrap}
.brand{
  font-family:"Saira Condensed",sans-serif;font-weight:700;font-size:1.3rem;
  text-transform:uppercase;letter-spacing:.04em;color:var(--ink);text-decoration:none;white-space:nowrap;
}
.brand em{font-style:normal;color:var(--signal)}
.nav nav{display:flex;gap:20px;margin-left:auto;flex-wrap:wrap}
.nav nav a{
  color:var(--ink-2);text-decoration:none;font-size:.88rem;font-weight:500;
  text-transform:uppercase;letter-spacing:.07em;
}
.nav nav a:hover{color:var(--signal)}
.nav .cta{
  background:var(--signal);color:#fff;padding:9px 15px;font-weight:600;
  font-size:.82rem;text-decoration:none;text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;
}
.nav .cta:hover{background:var(--signal-deep);color:#fff}

/* ---------- portada (único bloque oscuro) ---------- */
.cover{position:relative;min-height:600px;display:flex;align-items:flex-end;overflow:hidden;background:#0c1014}
.cover img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.7) contrast(1.04)}
.cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,11,14,.58) 0%,rgba(8,11,14,.5) 35%,rgba(8,11,14,.9) 100%);
}
.cover .inner{position:relative;z-index:2;width:100%;padding:92px 0 50px}
.cover h1{
  font-size:clamp(2.7rem,7.2vw,5.4rem);color:#fff;text-transform:uppercase;
  max-width:16ch;margin:16px 0 22px;
}
.cover .kicker{color:#ff8442}
.cover .sub{font-size:clamp(1.05rem,1.7vw,1.28rem);color:#e4eaee;max-width:56ch;margin:0 0 30px}
.cover .rule{width:64px;height:3px;background:var(--signal);margin-bottom:22px}
.actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{
  display:inline-block;padding:14px 24px;font-weight:600;text-decoration:none;
  font-size:.88rem;text-transform:uppercase;letter-spacing:.09em;border:1.5px solid transparent;
}
.btn-primary{background:var(--signal);color:#fff}
.btn-primary:hover{background:var(--signal-deep);color:#fff}
.btn-ghost{border-color:#c9d3d8;color:#fff}
.btn-ghost:hover{border-color:#ff8442;color:#ff8442}
.cover.short{min-height:380px}
.cover.short h1{font-size:clamp(2.1rem,5vw,3.6rem);max-width:20ch}
/* portada sin foto: fondo sólido con trama técnica */
.cover.plain{
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.045) 0 1px,transparent 1px 46px),
    #12181e;
}
.cover.plain::after{content:none}

/* ---------- franja de datos ---------- */
.specs{border-bottom:1px solid var(--line);background:var(--surface)}
.specs .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.specs .cell{padding:26px 26px 26px 0;border-right:1px solid var(--line)}
.specs .cell:last-child{border-right:none}
.specs .grid>.cell:not(:first-child){padding-left:26px}
.specs h3{font-size:1.02rem;margin:8px 0 6px;font-family:Barlow,sans-serif;font-weight:600}
.specs p{margin:0;font-size:.93rem;color:var(--ink-2)}
@media (max-width:760px){.specs .cell{border-right:none;border-bottom:1px solid var(--line);padding-left:0!important}}

/* ---------- secciones ---------- */
section.band{padding:74px 0;border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:34px;max-width:62ch}
.sec-head h2{margin:12px 0 10px}
.sec-head p{color:var(--muted);margin:0;font-size:1.02rem}

/* ---------- fichas de producto ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1px;background:var(--line)}
.card{background:var(--ground);padding:28px;display:flex;flex-direction:column;gap:12px}
.card .idx{font-family:"IBM Plex Mono",monospace;font-size:11.5px;letter-spacing:.16em;color:var(--signal)}
.card h3{margin:0}
.card p{margin:0;font-size:.96rem;color:var(--ink-2);flex:1}
.card .price{
  font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;font-size:1.06rem;
  color:var(--ink);padding-top:14px;border-top:1px solid var(--line);
}
.card .price small{display:block;font-family:Barlow,sans-serif;font-size:.76rem;color:var(--muted);letter-spacing:0;margin-top:4px}
.card a.more{font-size:.82rem;text-transform:uppercase;letter-spacing:.09em;font-weight:600;text-decoration:none}

/* ---------- bloque con foto ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);background:var(--ground)}
.split .media{position:relative;min-height:340px}
.split .media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.split .text{padding:40px}
.split .text h2{font-size:clamp(1.6rem,2.6vw,2.2rem);margin-bottom:16px}
.split .text p{color:var(--ink-2)}
@media (max-width:860px){.split{grid-template-columns:1fr}.split .media{min-height:240px}.split .text{padding:28px}}

/* ---------- estado ---------- */
.tag{
  display:inline-block;font-family:"IBM Plex Mono",monospace;font-size:10.5px;
  letter-spacing:.12em;text-transform:uppercase;padding:4px 9px;
}
.tag.ok{background:var(--ok-bg);color:var(--ok)}
.tag.warn{background:var(--warn-bg);color:var(--warn)}
.tag.bad{background:var(--bad-bg);color:var(--bad)}

/* ---------- lista de espera ---------- */
.waitlist{background:var(--surface);border:2px solid var(--signal);padding:28px}
.waitlist h3{margin-bottom:10px}
.waitlist p{font-size:.94rem;color:var(--ink-2)}
.waitlist form{display:flex;flex-direction:column;gap:11px;margin-top:16px}
.waitlist input,.waitlist textarea{
  padding:13px 15px;border:1px solid var(--line);background:var(--ground);
  color:var(--ink);font-size:1rem;font-family:inherit;
}
.waitlist input::placeholder,.waitlist textarea::placeholder{color:#8d9aa1}
.waitlist button{
  padding:14px 15px;border:none;background:var(--signal);color:#fff;font-weight:600;
  font-size:.86rem;font-family:inherit;cursor:pointer;text-transform:uppercase;letter-spacing:.09em;
}
.waitlist button:hover{background:var(--signal-deep)}
.waitlist .note{font-size:.8rem;color:var(--muted);margin:0}

/* ---------- tablas ---------- */
.tablewrap{overflow-x:auto;border:1px solid var(--line)}
table{border-collapse:collapse;width:100%;min-width:660px;font-size:.95rem;background:var(--ground)}
th,td{text-align:left;padding:15px 16px;border-bottom:1px solid var(--line-soft);vertical-align:top}
thead th{
  background:var(--surface-2);font-family:"IBM Plex Mono",monospace;font-size:10.5px;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:400;
  border-bottom:1px solid var(--line);
}
tbody tr:last-child td{border-bottom:none}
td.num{font-family:"IBM Plex Mono",monospace;font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--ink)}
td.num small{color:var(--muted);font-family:Barlow,sans-serif}

/* ---------- artículo ---------- */
article.post{padding:60px 0}
article.post .meta{margin-bottom:26px}
article.post .lead{font-size:1.2rem;line-height:1.55;color:var(--ink-2)}
article.post .lead::first-letter{
  font-family:"Saira Condensed",sans-serif;font-weight:700;float:left;
  font-size:4.1rem;line-height:.82;padding:6px 12px 0 0;color:var(--signal);
}
article.post h2{margin:44px 0 14px;font-size:clamp(1.5rem,2.4vw,2rem)}
article.post h3{margin:30px 0 10px}
article.post ul,article.post ol{margin:0 0 18px;padding-left:22px}
article.post li{margin-bottom:9px}
article.post li::marker{color:var(--signal)}
.callout{border-left:3px solid var(--signal);background:var(--surface);padding:20px 24px;margin:30px 0}
.callout p:last-child{margin-bottom:0}
blockquote{
  margin:36px 0;padding:0 0 0 26px;border-left:2px solid var(--signal);
  font-family:"Saira Condensed",sans-serif;font-size:1.7rem;line-height:1.2;color:var(--ink);
}
figure{margin:34px 0}
figure img{width:100%}
figcaption{font-size:.83rem;color:var(--muted);margin-top:10px;font-family:"IBM Plex Mono",monospace}

/* ---------- autor ---------- */
.author{border:1px solid var(--line);background:var(--surface);padding:30px}
.author h3{margin-bottom:8px}
.author p{margin:0 0 12px;font-size:.97rem;color:var(--ink-2)}
.author .sig{font-family:"IBM Plex Mono",monospace;font-size:.8rem;color:var(--muted);margin:0}

/* ---------- pie ---------- */
footer.site{padding:54px 0 70px;color:var(--muted);font-size:.9rem;border-top:2px solid var(--line-strong);background:var(--surface)}
footer.site .grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:34px}
footer.site h4{font-family:"Saira Condensed",sans-serif;font-size:1rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink);margin:0 0 12px}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin-bottom:8px}
footer.site a{color:var(--ink-2);text-decoration:none}
footer.site a:hover{color:var(--signal)}
footer.site .legal{border-top:1px solid var(--line);padding-top:22px;font-size:.83rem;line-height:1.6}

/* las tablas de los artículos se salen de la columna de texto para caber enteras */
table{min-width:600px}
@media (min-width:1000px){
  article.post .tablewrap{margin-left:-132px;margin-right:-132px}
}
@media (max-width:999px){
  article.post .tablewrap{margin-left:0;margin-right:0}
}

/* vídeo incrustado */
.video{position:relative;padding-bottom:56.25%;height:0;margin:34px 0;background:#10151a}
.video iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.video + figcaption{margin-top:-22px;margin-bottom:34px}
/* ficha de especificaciones */
.specsheet{border:1px solid var(--line);margin:30px 0}
.specsheet .head{
  background:var(--ink);color:#fff;padding:14px 20px;
  font-family:"Saira Condensed",sans-serif;text-transform:uppercase;font-size:1.15rem;letter-spacing:.03em;
}
.specsheet dl{display:grid;grid-template-columns:minmax(140px,38%) 1fr;gap:0;margin:0}
.specsheet dt{
  padding:11px 20px;border-bottom:1px solid var(--line-soft);background:var(--surface);
  font-family:"IBM Plex Mono",monospace;font-size:.78rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted);
}
.specsheet dd{padding:11px 20px;border-bottom:1px solid var(--line-soft);margin:0;font-size:.95rem}
.specsheet dl>dt:last-of-type,.specsheet dl>dd:last-of-type{border-bottom:none}
/* fuentes al pie */
.sources{border-top:2px solid var(--line-strong);margin-top:50px;padding-top:22px}
.sources h3{font-family:"Saira Condensed",sans-serif;text-transform:uppercase;font-size:1.1rem;margin-bottom:12px}
.sources ol{padding-left:20px;font-size:.88rem;color:var(--muted)}
.sources li{margin-bottom:7px}
.sources a{word-break:break-word}