/* ============================================================
   MAura Engine
   Palette derived from black-body radiation: the same colour
   temperatures the engine accepts in light.temperatureK.
   ============================================================ */
:root{
  --ink:#0A0C0F;
  --ink-2:#0E1218;
  --panel:#12171E;
  --panel-2:#171D25;
  --line:#232B36;
  --line-soft:#1A212A;
  --text:#E9ECF1;
  --text-2:#B7BFCB;
  --muted:#8A94A3;
  --faint:#5D6674;

  /* Kelvin ramp - real black-body temperatures */
  --k1800:#FF6A1F;
  --k2700:#FF9A46;
  --k3200:#FFB878;
  --k4500:#FFDDBC;
  --k6500:#FFF6EC;
  --k9000:#C8DBFF;
  --k12000:#7FA6FF;

  --amber:#FF8A3D;
  --azure:#7FA6FF;

  --maxw:1240px;
  --gut:clamp(20px,4vw,56px);

  --display:"Archivo","Archivo Expanded","Helvetica Neue",Arial,sans-serif;
  --body:"IBM Plex Sans","Segoe UI",system-ui,-apple-system,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--body);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}

a{color:inherit;}

:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:3px;
  border-radius:2px;
}

/* ---------- bilingual switching ---------- */
.t{display:inline;}
.tb{display:block;}
html:not([lang="es"]) [data-lang="es"]{display:none !important;}
html[lang="es"] [data-lang="en"]{display:none !important;}

/* ---------- shared layout ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gut);
}

section{padding-block:clamp(72px,9vw,132px);}

.rule{
  height:1px;
  background:var(--line-soft);
  border:0;
  margin:0;
}

/* Section heading: mono index rail + expanded display title */
.head{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:14px;
  margin-bottom:clamp(36px,5vw,64px);
}
.eyebrow{
  font-family:var(--mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--faint);
}
.head h2{
  margin:0;
  font-family:var(--display);
  font-stretch:118%;
  font-weight:700;
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.04;
  letter-spacing:-.015em;
  text-wrap:balance;
}
.head p{
  margin:0;
  max-width:58ch;
  color:var(--text-2);
  font-size:clamp(15px,1.5vw,17.5px);
}

/* ============================================================
   Top bar
   ============================================================ */
.topbar{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,12,15,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.topbar-in{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:60px;
}
.brand{
  font-family:var(--display);
  font-stretch:112%;
  font-weight:800;
  font-size:19px;
  letter-spacing:-.01em;
  text-decoration:none;
  white-space:nowrap;
}
.brand{color:var(--k6500);}
.brand .aura{
  color:var(--k6500);
  text-shadow:
    0 0 .10em rgba(255,138,61,.60),
    0 0 .34em rgba(255,184,120,.40),
    0 0 .80em rgba(127,166,255,.30);
}
.navlinks{
  display:flex;
  gap:26px;
  font-size:13.5px;
  color:var(--text-2);
}
.navlinks a{
  text-decoration:none;
  padding-block:4px;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.navlinks a:hover{color:var(--text);border-bottom-color:var(--amber);}
@media (max-width:860px){.navlinks{display:none;}}

.langs{
  display:flex;
  align-items:center;
  border:1px solid var(--line);
  border-radius:999px;
  padding:2px;
  background:var(--panel);
}
.langs button{
  appearance:none;
  border:0;
  background:transparent;
  color:var(--muted);
  font-family:var(--mono);
  font-size:11.5px;
  font-weight:600;
  letter-spacing:.09em;
  padding:5px 11px;
  border-radius:999px;
  cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.langs button:hover{color:var(--text);}
.langs button[aria-pressed="true"]{
  background:var(--text);
  color:var(--ink);
}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative;
  padding-block:clamp(72px,10vw,124px) 0;
  isolation:isolate;
  overflow:hidden;
}
.hero-bg{
  position:absolute;
  inset:0;
  z-index:-2;
  background-image:url("assets/img/hero-city.jpg");
  background-size:cover;
  background-position:50% 42%;
  opacity:.5;
}
.hero-veil{
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    radial-gradient(120% 90% at 12% 8%, rgba(255,138,61,.16), transparent 58%),
    radial-gradient(90% 80% at 88% 20%, rgba(127,166,255,.14), transparent 60%),
    linear-gradient(180deg, rgba(10,12,15,.62) 0%, rgba(10,12,15,.80) 46%, var(--ink) 96%);
}

.hero-eyebrow{
  font-family:var(--mono);
  font-size:11.5px;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--k3200);
  margin:0 0 26px;
}

.wordmark{
  margin:0;
  font-family:var(--display);
  font-stretch:125%;
  font-weight:900;
  font-size:clamp(64px,15.5vw,190px);
  line-height:.86;
  letter-spacing:-.045em;
}
/* El nombre EMITE luz: nucleo claro y un aura que recorre la misma rampa
   de kelvin hacia fuera, calida pegada al trazo y fria al alejarse. */
.wordmark .m,
.wordmark .aura{color:var(--k6500);}
.wordmark{
  text-shadow:
    0 0 .06em rgba(255,106,31,.55),
    0 0 .14em rgba(255,154,70,.45),
    0 0 .30em rgba(255,184,120,.34),
    0 0 .58em rgba(200,219,255,.30),
    0 0 1.00em rgba(127,166,255,.24);
}
.expansion{
  margin:14px 0 0;
  font-family:var(--mono);
  font-size:clamp(11.5px,1.3vw,13.5px);
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--muted);
}

.hero-copy{
  margin:clamp(38px,5vw,58px) 0 0;
  max-width:34ch;
}
.hero-copy h1{
  margin:0;
  font-family:var(--display);
  font-stretch:105%;
  font-weight:600;
  font-size:clamp(23px,3vw,34px);
  line-height:1.16;
  letter-spacing:-.02em;
  text-wrap:balance;
}
.hero-sub{
  margin:20px 0 0;
  max-width:56ch;
  color:var(--text-2);
  font-size:clamp(15px,1.55vw,17.5px);
}

/* Kelvin scale: signature element, real values */
.kelvin{
  margin:clamp(44px,5vw,62px) 0 0;
  max-width:760px;
}
.kelvin-bar{
  height:10px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--k1800),var(--k2700) 20%,var(--k3200) 36%,var(--k4500) 54%,var(--k6500) 68%,var(--k9000) 86%,var(--k12000));
  box-shadow:0 0 44px -6px rgba(255,154,70,.42);
}
.kelvin-ticks{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  margin-top:10px;
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.08em;
  color:var(--faint);
  font-variant-numeric:tabular-nums;
}
.kelvin-ticks span:last-child{text-align:right;}
.kelvin-note{
  margin:14px 0 0;
  font-size:13.5px;
  color:var(--muted);
  max-width:62ch;
}
.kelvin-note code{
  font-family:var(--mono);
  font-size:12.5px;
  color:var(--k3200);
}

/* Stat strip */
.stats{
  margin-top:clamp(52px,6vw,80px);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{
  padding:24px 22px 26px;
  border-left:1px solid var(--line-soft);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{
  display:block;
  font-family:var(--display);
  font-stretch:112%;
  font-weight:700;
  font-size:clamp(28px,3.6vw,40px);
  line-height:1;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat span{
  display:block;
  margin-top:9px;
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--muted);
}
@media (max-width:760px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{border-left:1px solid var(--line-soft);padding-inline:18px;}
  .stat:first-child,.stat:nth-child(3){border-left:0;padding-left:0;}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--line-soft);}
}

/* ============================================================
   Showcase mosaic
   ============================================================ */
.mosaic{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:14px;
}
figure.shot{
  margin:0;
  position:relative;
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line-soft);
  grid-column:span 2;
}
figure.shot.wide{grid-column:span 4;}
figure.shot.full{grid-column:span 6;}
figure.shot img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/9;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
figure.shot:hover img{transform:scale(1.028);}
figure.shot figcaption{
  position:absolute;
  inset:auto 0 0 0;
  padding:34px 18px 14px;
  background:linear-gradient(180deg,transparent,rgba(8,10,13,.92));
  display:flex;
  flex-direction:column;
  gap:3px;
}
figcaption .cap-k{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--k3200);
}
figcaption .cap-t{
  font-size:14px;
  color:var(--text);
  line-height:1.35;
}
@media (max-width:900px){
  .mosaic{grid-template-columns:repeat(2,1fr);}
  figure.shot,figure.shot.wide,figure.shot.full{grid-column:span 2;}
}

/* ============================================================
   Technical spec sheet
   ============================================================ */
.spec-group{
  display:grid;
  grid-template-columns:210px minmax(0,1fr);
  gap:clamp(18px,3vw,46px);
  padding-block:clamp(30px,3.4vw,44px);
  border-top:1px solid var(--line-soft);
}
.spec-group:first-of-type{border-top:1px solid var(--line);}
.spec-rail{
  position:sticky;
  top:78px;
  align-self:start;
}
.spec-rail .idx{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--faint);
  display:block;
  margin-bottom:8px;
}
.spec-rail h3{
  margin:0;
  font-family:var(--display);
  font-stretch:110%;
  font-weight:700;
  font-size:19px;
  line-height:1.2;
  letter-spacing:-.01em;
}
.rows{display:grid;gap:0;}
.row{
  display:grid;
  grid-template-columns:180px minmax(0,1fr);
  gap:clamp(14px,2vw,32px);
  padding-block:13px;
  border-top:1px dashed var(--line-soft);
  align-items:baseline;
}
.row:first-child{border-top:0;padding-top:0;}
.row dt,.row .k{
  margin:0;
  font-family:var(--mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.02em;
  color:var(--k3200);
  font-variant-numeric:tabular-nums;
}
.row dd,.row .v{
  margin:0;
  color:var(--text-2);
  font-size:14.8px;
  line-height:1.6;
}
.row .v strong{color:var(--text);font-weight:600;}
.row .v code{
  font-family:var(--mono);
  font-size:12.8px;
  color:var(--text);
  background:var(--panel-2);
  border:1px solid var(--line-soft);
  padding:1px 5px;
  border-radius:3px;
  white-space:nowrap;
}
@media (max-width:920px){
  .spec-group{grid-template-columns:minmax(0,1fr);}
  .spec-rail{position:static;}
  .row{grid-template-columns:minmax(0,1fr);gap:4px;}
}

/* ============================================================
   Architecture
   ============================================================ */
.arch{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:clamp(28px,5vw,64px);
  align-items:start;
}
@media (max-width:900px){.arch{grid-template-columns:minmax(0,1fr);}}

.stack{display:grid;gap:10px;}
.layer{
  border:1px solid var(--line);
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  padding:16px 18px;
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:16px;
  align-items:center;
}
.layer .lv{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.14em;
  color:var(--faint);
}
.layer .ln{
  font-family:var(--display);
  font-stretch:108%;
  font-weight:600;
  font-size:16px;
}
.layer .ld{
  grid-column:2;
  font-size:13.6px;
  color:var(--muted);
  line-height:1.5;
}
.layer.split{
  grid-template-columns:auto minmax(0,1fr) minmax(0,1fr);
}
.layer.split .ld{grid-column:auto;}
.layer-arrow{
  text-align:center;
  font-family:var(--mono);
  font-size:12px;
  color:var(--faint);
  line-height:1;
}
.layer.accent{
  border-color:rgba(255,138,61,.42);
  box-shadow:inset 0 0 0 1px rgba(255,138,61,.08),0 0 40px -18px rgba(255,138,61,.5);
}

.modules{
  display:flex;
  flex-wrap:wrap;
  gap:7px;
  margin-top:22px;
}
.modules span{
  font-family:var(--mono);
  font-size:12px;
  color:var(--text-2);
  border:1px solid var(--line);
  padding:4px 9px;
  background:var(--panel);
}

.arch-note h4{
  margin:0 0 10px;
  font-family:var(--display);
  font-stretch:108%;
  font-weight:600;
  font-size:17px;
}
.arch-note p{
  margin:0 0 20px;
  color:var(--text-2);
  font-size:15px;
  max-width:52ch;
}
.arch-note p:last-child{margin-bottom:0;}
.arch-note code{
  font-family:var(--mono);
  font-size:12.8px;
  color:var(--k3200);
}

/* ============================================================
   Authoring / code
   ============================================================ */
.authoring{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:clamp(18px,2.6vw,28px);
}
@media (max-width:900px){.authoring{grid-template-columns:minmax(0,1fr);}}
.codecard{
  border:1px solid var(--line);
  background:var(--ink-2);
  display:flex;
  flex-direction:column;
  min-width:0;
}
.codecard header{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  padding:13px 16px;
  border-bottom:1px solid var(--line-soft);
  background:var(--panel);
}
.codecard header .fn{
  font-family:var(--mono);
  font-size:12px;
  color:var(--text);
}
.codecard header .tag{
  font-family:var(--mono);
  font-size:10.5px;
  letter-spacing:.13em;
  text-transform:uppercase;
  color:var(--faint);
}
.codecard pre{
  margin:0;
  padding:16px;
  overflow-x:auto;
  font-family:var(--mono);
  font-size:12.6px;
  line-height:1.75;
  color:var(--text-2);
  tab-size:2;
}
.codecard pre .c{color:var(--faint);}
.codecard pre .s{color:var(--k9000);}
.codecard pre .n{color:var(--k2700);}
.codecard pre .kw{color:var(--amber);}
.codecard footer{
  padding:14px 16px;
  border-top:1px solid var(--line-soft);
  font-size:13.6px;
  color:var(--muted);
  line-height:1.55;
}

/* ============================================================
   Status
   ============================================================ */
.status{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.4vw,26px);
}
@media (max-width:860px){.status{grid-template-columns:minmax(0,1fr);}}
.col h4{
  margin:0 0 4px;
  font-family:var(--display);
  font-stretch:108%;
  font-weight:700;
  font-size:15px;
  letter-spacing:.01em;
}
.col .cnt{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--faint);
  display:block;
  margin-bottom:16px;
}
.col ul{
  margin:0;
  padding:0;
  list-style:none;
  display:grid;
  gap:0;
}
.col li{
  padding:11px 0 11px 22px;
  border-top:1px solid var(--line-soft);
  font-size:14.6px;
  color:var(--text-2);
  position:relative;
}
.col li::before{
  position:absolute;
  left:0;
  top:15px;
  width:9px;
  height:9px;
  content:"";
  border-radius:50%;
}
.col.done li::before{background:var(--k2700);}
.col.wip li::before{background:transparent;border:1.5px solid var(--k9000);}
.col.next li::before{background:transparent;border:1.5px solid var(--faint);}

/* ============================================================
   Footer
   ============================================================ */
footer.site{
  border-top:1px solid var(--line);
  padding-block:48px 64px;
  background:var(--ink-2);
}
.foot{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  align-items:flex-end;
  justify-content:space-between;
}
.foot .fm{
  font-family:var(--display);
  font-stretch:118%;
  font-weight:800;
  font-size:30px;
  letter-spacing:-.02em;
  line-height:1;
  color:var(--k6500);
  text-shadow:
    0 0 .09em rgba(255,138,61,.55),
    0 0 .30em rgba(255,184,120,.36),
    0 0 .70em rgba(127,166,255,.26);
}
.foot p{
  margin:10px 0 0;
  color:var(--muted);
  font-size:13.6px;
  max-width:46ch;
}
.foot .meta{
  font-family:var(--mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--faint);
  text-align:right;
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  figure.shot:hover img{transform:none;}
}

/* ============================================================
   Bloque IA
   ============================================================ */
.hero-ai{
  margin:22px 0 0;
  max-width:60ch;
  font-size:14.6px;
  color:var(--muted);
  line-height:1.6;
}
.hero-ai a{
  color:var(--k3200);
  text-decoration:none;
  border-bottom:1px solid rgba(255,184,120,.35);
  padding-bottom:1px;
  transition:border-color .18s ease,color .18s ease;
}
.hero-ai a:hover{color:var(--k6500);border-bottom-color:var(--k6500);}

.nav-devlog{
  color:var(--k3200) !important;
  border-bottom:1px solid rgba(255,184,120,.4) !important;
}
.nav-devlog:hover{color:var(--k6500) !important;}

.ai-grid{
  display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
  gap:clamp(28px,5vw,72px);
  align-items:start;
}
@media (max-width:900px){.ai-grid{grid-template-columns:minmax(0,1fr);}}

.ai-lead{position:sticky;top:96px;}
@media (max-width:900px){.ai-lead{position:static;}}
.ai-quote{
  margin:0;
  font-family:var(--display);
  font-stretch:104%;
  font-weight:500;
  font-size:clamp(19px,2.3vw,26px);
  line-height:1.3;
  letter-spacing:-.012em;
  color:var(--text);
  text-wrap:balance;
  border-left:2px solid var(--k2700);
  padding-left:clamp(16px,2vw,24px);
}

.ai-points{display:grid;gap:0;}
.ai-point{
  padding-block:clamp(18px,2.2vw,26px);
  border-top:1px solid var(--line-soft);
}
.ai-point:first-child{border-top:0;padding-top:0;}
.ai-point h4{
  margin:0 0 7px;
  font-family:var(--display);
  font-stretch:108%;
  font-weight:700;
  font-size:16.5px;
  letter-spacing:-.005em;
  color:var(--text);
}
.ai-point p{
  margin:0;
  max-width:60ch;
  font-size:15px;
  line-height:1.62;
  color:var(--text-2);
}
.ai-point code{
  font-family:var(--mono);
  font-size:12.8px;
  color:var(--k3200);
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}