/* ============================================================
   LW6EMN — sistema visual del sitio
   Base: diseño "poster" de la página Cruce YSF → WIRES-X
   ============================================================ */

:root{
  --ink:#0B1220;
  --ink-2:#132038;
  --slate:#2A3B57;
  --porcelain:#EDF0F3;
  --card:#FFFFFF;
  --line:#D3DAE3;
  --text:#16202F;
  --muted:#5C6C82;
  --on-ink:#E7ECF3;
  --on-ink-muted:#94A5BC;
  --signal:#2F9E8F;
  --brass:#C2A03C;
  --alert:#B4453C;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:#DEE3E9;
  font-family:"Instrument Sans","Noto Sans JP",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  padding:28px 20px 48px;
  display:flex;
  flex-direction:column;
  align-items:center;
}

/* ---------- barra de navegación del sitio ---------- */
.sitebar{
  width:100%;
  max-width:1180px;
  margin-bottom:14px;
  display:flex;
  gap:6px;
  flex-wrap:wrap;
  align-items:center;
}
.sitebar a{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  text-decoration:none;
  padding:7px 13px 6px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.55);
}
.sitebar a:hover,.sitebar a:focus-visible{color:var(--ink);border-color:#B7C1CE;}
.sitebar a.on{background:var(--ink);border-color:var(--ink);color:var(--on-ink);}
.sitebar .callsign{
  margin-left:auto;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
}
.langpick{display:flex;gap:4px;}
.langpick button{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  padding:7px 11px 6px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.55);
  cursor:pointer;
}
.langpick button:hover{color:var(--ink);border-color:#B7C1CE;}
.langpick button.on{background:var(--ink);border-color:var(--ink);color:var(--on-ink);}

/* ---------- lienzo ---------- */
.poster{
  width:100%;
  max-width:1180px;
  background:var(--porcelain);
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 24px 60px -28px rgba(11,18,32,.45);
}

/* ---------- cabecera ---------- */
.head{
  position:relative;
  background:var(--ink);
  background-image:radial-gradient(120% 140% at 82% -20%, rgba(47,158,143,.20), transparent 58%);
  color:var(--on-ink);
  padding:44px 52px 8px;
}
.eyebrow{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--on-ink-muted);
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:22px;
}
.chip{
  border:1px solid rgba(194,160,60,.55);
  color:var(--brass);
  border-radius:999px;
  padding:4px 11px 3px;
  letter-spacing:.18em;
}
.chip-signal{border-color:rgba(47,158,143,.55);color:var(--signal);}
h1{
  font-family:"Instrument Serif","Noto Sans JP",Georgia,serif;
  font-weight:400;
  font-size:clamp(40px,6.2vw,74px);
  line-height:.98;
  letter-spacing:-.015em;
  margin:0 0 26px;
}
h1 .arrow{color:var(--signal);font-style:italic;padding:0 .06em;}
h1 small{
  display:block;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--on-ink-muted);
  margin-top:14px;
}

.head-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:44px;
  padding-bottom:34px;
}
.lead{font-size:17px;line-height:1.55;color:#C6D1E0;margin:0;max-width:46ch;}
.objetivo{border-left:2px solid var(--signal);padding-left:20px;}
.objetivo .k{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--signal);display:block;margin-bottom:9px;
}
.objetivo p{margin:0;font-size:17px;line-height:1.55;color:var(--on-ink);max-width:42ch;}
.objetivo ul{list-style:none;margin:0;padding:0;}
.objetivo li{
  position:relative;padding-left:22px;
  font-size:15px;line-height:1.45;color:var(--on-ink);margin-bottom:10px;
}
.objetivo li:last-child{margin-bottom:0;}
.objetivo li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:12px;height:2px;background:var(--signal);border-radius:2px;
}

/* ---------- franja oscura (imagen / diagrama) ---------- */
.signal{background:var(--ink-2);padding:26px 52px 22px;color:var(--on-ink);}
.signal svg{display:block;width:100%;height:auto;}
.signal img{display:block;max-width:100%;max-height:340px;margin:0 auto;border-radius:8px;}
.node-ring{fill:none;stroke:rgba(231,236,243,.28);stroke-width:1.2;}
.node-label{font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;font-size:15px;letter-spacing:.06em;fill:var(--on-ink);}
.bar{fill:var(--signal);transform-origin:center;transform-box:fill-box;}
.cruce-box{fill:none;stroke:var(--brass);stroke-width:1.2;}
.cruce-dot{fill:var(--brass);}
.cruce-txt{font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;font-size:10px;letter-spacing:.2em;fill:var(--brass);}
.link-line{stroke:rgba(231,236,243,.22);stroke-width:1;stroke-dasharray:2 6;}
.signal-caption{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--on-ink-muted);text-align:center;margin:14px 0 0;
}
.signal-caption b{color:var(--signal);font-weight:500;}
@keyframes rise{from{transform:scaleY(.06);opacity:.25;}to{transform:scaleY(1);opacity:1;}}
.bar{animation:rise .5s cubic-bezier(.2,.8,.3,1) both;animation-delay:var(--d);}

/* ---------- rejilla de tarjetas ---------- */
.cols{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:34px 52px 6px;}
.cols-1{grid-template-columns:1fr;}
.cols-a{grid-template-columns:1.18fr 1fr;}
.cols + .cols{padding-top:22px;}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
  padding:26px 28px 28px;
}
.card-ink{
  background:var(--ink-2);
  border-color:rgba(231,236,243,.14);
  color:var(--on-ink);
}
.card-ink .card-head span{color:var(--on-ink-muted);}
.card-ink .card-head::after{background:rgba(231,236,243,.16);}
.card-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.card-head span{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--slate);white-space:nowrap;
}
.card-head::after{content:"";flex:1;height:1px;background:var(--line);}
.card-title{
  font-family:"Instrument Serif","Noto Sans JP",Georgia,serif;
  font-weight:400;font-size:27px;line-height:1.15;
  letter-spacing:-.01em;margin:0 0 10px;
}
.note{font-size:14.5px;line-height:1.5;color:var(--muted);margin:0 0 16px;}
.note:last-child{margin-bottom:0;}
.sub-head{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--slate);margin:24px 0 12px;
}
.card > .sub-head:first-child{margin-top:0;}

/* listas con guion */
.list{list-style:none;margin:0;padding:0;}
.list li{position:relative;padding-left:26px;font-size:15.5px;line-height:1.45;margin-bottom:13px;}
.list li:last-child{margin-bottom:0;}
.list li::before{
  content:"";position:absolute;left:0;top:.62em;
  width:14px;height:2px;background:var(--signal);border-radius:2px;
}
.list b{font-weight:600;}
.list-tight li{font-size:14.5px;margin-bottom:9px;}

/* listas de enlaces / descargas */
.links{list-style:none;margin:0;padding:0;}
.links li{
  border-top:1px solid var(--line);
  padding:13px 0;
  font-size:15px;
  line-height:1.45;
}
.links li:first-child{border-top:0;padding-top:0;}
.links li:last-child{padding-bottom:0;}
.links a{color:var(--ink);text-decoration:none;border-bottom:1px solid rgba(47,158,143,.45);padding-bottom:1px;}
.links a:hover,.links a:focus-visible{color:var(--signal);border-color:var(--signal);}
.links .plat{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);display:block;margin-bottom:5px;
}
.links .meta{
  display:block;margin-top:8px;font-size:13px;line-height:1.6;color:var(--muted);
}
.links .meta b{color:var(--slate);font-weight:600;}

code,kbd{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:.88em;
  background:rgba(11,18,32,.06);
  border-radius:4px;
  padding:1px 5px;
}

/* etiquetas de funciones */
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:0;}
.tags span{
  font-size:13.5px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px 5px;
  color:var(--slate);
  background:#F7F9FB;
}
.tags b{font-weight:600;color:var(--ink);}

/* aviso */
.warn{
  margin-top:18px;
  border:1px solid rgba(194,160,60,.45);
  background:rgba(194,160,60,.07);
  border-radius:10px;
  padding:14px 16px;
  display:flex;gap:12px;align-items:flex-start;
}
.warn .tag{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:10px;letter-spacing:.18em;
  color:#8A6E1B;
  border:1px solid rgba(194,160,60,.5);
  border-radius:5px;
  padding:3px 7px 2px;
  white-space:nowrap;margin-top:1px;
}
.warn p{margin:0;font-size:14.5px;line-height:1.45;color:#4A4021;}

/* bloque de comandos */
.cmd{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin:0 0 16px;width:100%;}
.cmd pre{
  margin:0;
  width:100%;
  background:var(--ink);
  color:#8FE3D3;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:13px;
  line-height:1.5;
  border-radius:10px;
  padding:15px 16px;
  overflow-x:auto;
  white-space:nowrap;
}
.cmd button{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:10px;letter-spacing:.14em;text-transform:uppercase;
  background:transparent;color:var(--on-ink-muted);
  border:1px solid rgba(231,236,243,.25);
  border-radius:6px;padding:5px 9px 4px;cursor:pointer;
}
.cmd button:hover{color:var(--on-ink);border-color:rgba(231,236,243,.5);}
.cmd button.ok{color:var(--signal);border-color:var(--signal);}
.step-label{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--slate);margin:0 0 8px;
}

/* botón */
.btn{
  display:inline-block;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink);text-decoration:none;
  border:1px solid var(--slate);
  border-radius:999px;
  padding:9px 18px 8px;
  background:transparent;cursor:pointer;
}
.btn:hover,.btn:focus-visible{background:var(--ink);color:var(--on-ink);border-color:var(--ink);}
.btn-ghost{border-color:var(--line);color:var(--muted);}

/* imágenes */
.shots{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.shot img{
  display:block;width:100%;border-radius:10px;border:1px solid var(--line);
  cursor:zoom-in;
}
.shot.photo img{height:250px;object-fit:cover;}
.shot figcaption{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin-top:9px;
}
.shot{margin:0;}

.video{position:relative;display:block;border-radius:10px;overflow:hidden;}
.video img{display:block;width:100%;}
.video::after{
  content:"";position:absolute;inset:0;background:rgba(11,18,32,.28);
}
.video .play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  z-index:1;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--on-ink);border:1px solid rgba(231,236,243,.7);
  border-radius:999px;padding:10px 20px 9px;
}
.video:hover .play{background:var(--signal);border-color:var(--signal);color:var(--ink);}

/* pasos del tutorial */
.step{margin-bottom:34px;}
.step:last-child{margin-bottom:0;}
.step h3{
  display:flex;align-items:baseline;gap:12px;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.2em;text-transform:uppercase;
  color:var(--slate);font-weight:500;margin:0 0 10px;
}
.step h3 em{
  font-family:"Instrument Serif","Noto Sans JP",Georgia,serif;
  font-style:normal;font-size:26px;letter-spacing:0;color:var(--signal);
}
.step p{margin:0 0 12px;font-size:15.5px;line-height:1.5;}
.step img{display:block;width:100%;border-radius:10px;border:1px solid var(--line);cursor:zoom-in;}

/* changelog */
.chg{list-style:none;margin:0;padding:0;}
.chg > li{
  position:relative;
  padding:0 0 22px 26px;
  border-left:1px solid var(--line);
  margin-left:5px;
}
.chg > li:last-child{border-left-color:transparent;padding-bottom:0;}
.chg > li::before{
  content:"";position:absolute;left:-5px;top:5px;
  width:9px;height:9px;border-radius:50%;
  background:var(--porcelain);border:1.5px solid #B7C1CE;
}
.chg > li.now::before{background:var(--signal);border-color:var(--signal);}
.chg-head{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:8px;}
.chg-ver{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:14px;letter-spacing:.06em;color:var(--ink);font-weight:500;
}
.chg-now{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--signal);border:1px solid rgba(47,158,143,.5);
  border-radius:999px;padding:2px 8px 1px;
}
.chg-date{
  margin-left:auto;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;color:var(--muted);
}
.chg ul{list-style:none;margin:0;padding:0;}
.chg ul li{position:relative;padding-left:20px;font-size:14.5px;line-height:1.5;color:var(--text);}
.chg ul li::before{
  position:absolute;left:0;
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;font-size:13px;
}
.chg .add::before{content:"+";color:var(--signal);}
.chg .fix::before{content:"\2212";color:var(--alert);}
.chg .mod::before{content:"~";color:var(--brass);}

/* franja estado / contacto */
.estado{
  margin:22px 52px 0;
  background:var(--ink);
  background-image:radial-gradient(90% 160% at 12% 120%, rgba(194,160,60,.16), transparent 60%);
  border-radius:16px;
  padding:32px 38px;
  color:var(--on-ink);
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:38px;
  align-items:center;
}
.estado .k{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:11px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brass);display:block;margin-bottom:14px;
}
.estado h2{
  font-family:"Instrument Serif","Noto Sans JP",Georgia,serif;
  font-weight:400;font-size:clamp(24px,3vw,33px);line-height:1.14;
  margin:0 0 10px;letter-spacing:-.01em;
}
.estado h2.sm{font-size:clamp(20px,2.2vw,26px);}
.estado p{margin:0;font-size:15px;line-height:1.5;color:var(--on-ink-muted);}
.contacto{border-left:1px solid rgba(231,236,243,.16);padding-left:30px;}
.contacto .k{color:var(--on-ink-muted);}
.contacto a{
  font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;
  font-size:16px;color:var(--signal);text-decoration:none;
  border-bottom:1px solid rgba(47,158,143,.4);padding-bottom:2px;
}
.contacto a:hover,.contacto a:focus-visible{color:#4FC0B0;border-color:#4FC0B0;}
.contacto small{display:block;margin-top:10px;font-size:13px;color:var(--on-ink-muted);}

.apoyo{
  margin:22px 52px 0;
  border:1px dashed var(--line);
  border-radius:14px;
  padding:22px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.apoyo p{
  margin:0;font-size:14.5px;color:var(--muted);max-width:52ch;line-height:1.5;
}
.apoyo form{margin:0;}
.apoyo input[type=image]{display:block;}

.foot{
  padding:26px 52px 34px;
  font-size:12.5px;
  color:var(--muted);
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.foot a{color:var(--slate);text-decoration:none;border-bottom:1px solid var(--line);}
.foot a:hover{color:var(--ink);}
.foot .sig{font-family:"IBM Plex Mono","Noto Sans JP",ui-monospace,monospace;letter-spacing:.12em;text-transform:uppercase;}

/* lightbox */
#lightbox{
  display:none;position:fixed;inset:0;z-index:99;
  background:rgba(11,18,32,.92);
  align-items:center;justify-content:center;cursor:zoom-out;padding:24px;
}
#lightbox.on{display:flex;}
#lightbox img{max-width:96vw;max-height:92vh;border-radius:8px;}

a:focus-visible,:focus-visible{outline:2px solid var(--signal);outline-offset:3px;}

@media (max-width:820px){
  body{padding:14px 12px 30px;}
  .head{padding:30px 24px 4px;}
  .head-grid{grid-template-columns:1fr;gap:26px;padding-bottom:26px;}
  .signal{padding:20px 24px 18px;}
  .cols{grid-template-columns:1fr;padding:24px 24px 0;}
  .shots{grid-template-columns:1fr;}
  .estado{grid-template-columns:1fr;margin:20px 24px 0;padding:26px 24px;gap:24px;}
  .apoyo{margin:20px 24px 0;}
  .contacto{border-left:0;border-top:1px solid rgba(231,236,243,.16);padding-left:0;padding-top:22px;}
  .foot{padding:22px 24px 28px;}
}

@media (prefers-reduced-motion:reduce){
  .bar{animation:none;}
}

@media print{
  body{background:#fff;padding:0;}
  .sitebar,.apoyo{display:none;}
  .poster{box-shadow:none;border-radius:0;max-width:none;}
  .bar{animation:none;}
  @page{size:A4 landscape;margin:8mm;}
}