:root{
  --bg:#0c0d0f;
  --rack:#121417;
  --panel:#1b1e23;
  --panel-2:#21252b;
  --metal:#2a2f36;
  --metal-line:rgba(232,230,223,0.14);
  --text:#e8e6df;
  --text-dim:#9aa3ab;
  --green:#52c97f;
  --green-glow:rgba(82,201,127,0.45);
  --amber:#f0a84e;
  --amber-glow:rgba(240,168,78,0.5);
  --line:rgba(232,230,223,0.12);
  --disp:"Archivo",ui-sans-serif,system-ui,sans-serif;
  --mono:"Martian Mono",ui-monospace,Menlo,monospace;
  --max:1060px;
  --ease:cubic-bezier(.22,1,.36,1);
}

*{box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--disp);
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1200px 600px at 50% -10%,rgba(240,168,78,0.05),transparent 60%),
    linear-gradient(180deg,#0d0f12,var(--bg));
  background-attachment:fixed;
}

::selection{background:var(--amber);color:#121417}

a{color:inherit}

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

.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;
  clip-path:inset(50%);overflow:hidden;white-space:nowrap;
}

.skip{
  position:fixed;top:-60px;left:16px;z-index:60;
  padding:10px 16px;background:var(--panel-2);border:1px solid var(--line);
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  transition:top .2s var(--ease);
}
.skip:focus{top:16px}

/* ---------- shared atoms ---------- */

.led{
  width:9px;height:9px;border-radius:50%;display:inline-block;flex:none;
}
.led--green{
  background:var(--green);
  box-shadow:0 0 0 0 var(--green-glow),0 0 10px 1px var(--green-glow);
  animation:led-breathe 3.2s var(--ease) infinite;
}
@keyframes led-breathe{
  0%,100%{box-shadow:0 0 0 0 rgba(82,201,127,0),0 0 8px 0 var(--green-glow)}
  50%{box-shadow:0 0 0 0 rgba(82,201,127,0),0 0 14px 2px var(--green-glow)}
}

/* ---------- topbar ---------- */

.topbar{
  position:fixed;inset:0 0 auto 0;z-index:50;
  background:rgba(12,13,15,0.85);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--metal-line);
}
.topbar__inner{
  max-width:var(--max);margin:0 auto;padding:0 28px;height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.topbar__brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.topbar__name{
  font-weight:700;font-size:15px;letter-spacing:.01em;white-space:nowrap;
}
.topbar__spec{
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;
  color:var(--text-dim);white-space:nowrap;
}
.topbar__nav{display:flex;align-items:center;gap:24px}
.topbar__nav a{
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-dim);text-decoration:none;transition:color .2s var(--ease);
}
.topbar__nav a:hover{color:var(--text)}
.topbar__contact{
  color:var(--amber) !important;
  border:1px solid rgba(240,168,78,0.4);padding:7px 14px;
  transition:background .2s var(--ease),color .2s var(--ease) !important;
}
.topbar__contact:hover{background:var(--amber);color:#121417 !important}

/* ---------- hero ---------- */

.hero{
  max-width:var(--max);margin:0 auto;padding:150px 28px 56px;
}
.hero h1{
  margin:0 0 22px;font-size:clamp(2.8rem,9vw,5.6rem);
  font-weight:800;letter-spacing:-0.035em;line-height:.98;
  color:var(--text);
}
.hero__role{
  max-width:62ch;margin:0 0 38px;font-size:clamp(1.05rem,2.2vw,1.3rem);
  color:var(--text-dim);font-weight:400;line-height:1.55;
}
.hero__row{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.hero__cta{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--amber);color:#121417;text-decoration:none;
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;padding:15px 22px;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.hero__cta:hover{transform:translateY(-2px);background:#fbbf6a}
.hero__cta svg{transition:transform .2s var(--ease)}
.hero__cta:hover svg{transform:translateY(3px)}
.hero__status{
  display:flex;align-items:center;gap:10px;margin:0;
  font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--text-dim);
}

/* ---------- racks ---------- */

.racks{
  max-width:var(--max);margin:0 auto;padding:0 28px 20px;
  scroll-margin-top:80px;
}
.rack{
  border:1px solid var(--metal-line);
  background:linear-gradient(180deg,#15181c,#121417);
  margin-bottom:52px;
  box-shadow:0 30px 60px -40px rgba(0,0,0,0.8),inset 0 1px 0 rgba(255,255,255,0.03);
}
.rack__head{
  display:flex;align-items:baseline;gap:16px;
  padding:20px 26px 18px;
  border-bottom:1px solid var(--metal-line);
  background:linear-gradient(180deg,#1a1d22,#16191d);
}
.rack__id{
  font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--amber);
  text-transform:uppercase;flex:none;
}
.rack__head h3{margin:0;font-size:17px;font-weight:600;letter-spacing:.01em;flex:1}
.rack__count{
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--text-dim);
  text-transform:uppercase;
}

.unit{border-bottom:1px solid var(--metal-line)}
.unit:last-child{border-bottom:0}

.unit__face{
  display:flex;align-items:center;gap:16px;
  padding:20px 26px;cursor:pointer;list-style:none;
  background:var(--panel);
  transition:background .25s var(--ease),transform .3s var(--ease);
}
.unit__face::-webkit-details-marker{display:none}
.unit__face:hover,.unit[open] .unit__face{background:var(--panel-2)}
.unit[open] .unit__face{transform:translateX(6px)}

.unit__led{
  width:10px;height:10px;border-radius:50%;flex:none;
  background:var(--green);
  box-shadow:0 0 0 1px rgba(82,201,127,0.25),0 0 10px 1px var(--green-glow);
  transition:background .25s var(--ease),box-shadow .25s var(--ease);
}
.unit[open] .unit__led{
  background:var(--amber);
  box-shadow:0 0 0 1px rgba(240,168,78,0.35),0 0 12px 2px var(--amber-glow);
  animation:led-amber 2.4s var(--ease) infinite;
}
@keyframes led-amber{
  0%,100%{box-shadow:0 0 0 1px rgba(240,168,78,0.35),0 0 8px 1px var(--amber-glow)}
  50%{box-shadow:0 0 0 1px rgba(240,168,78,0.35),0 0 16px 3px var(--amber-glow)}
}

.unit__num{
  font-family:var(--mono);font-size:12px;color:var(--text-dim);
  letter-spacing:.05em;flex:none;width:34px;
}
.unit__titles{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.unit__name{font-weight:600;font-size:18px;letter-spacing:.01em}
.unit__sub{font-family:var(--mono);font-size:11px;color:var(--text-dim);letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

.unit__tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  color:var(--amber);border:1px solid rgba(240,168,78,0.3);
  padding:5px 9px;white-space:nowrap;
}
.unit__pull{
  color:var(--text-dim);display:flex;align-items:center;
  transition:transform .3s var(--ease),color .25s var(--ease);
}
.unit__face:hover .unit__pull{color:var(--amber)}
.unit[open] .unit__pull{transform:rotate(180deg);color:var(--amber)}

/* drawer */
.unit__tray{display:grid;grid-template-rows:0fr;transition:grid-template-rows .5s var(--ease)}
.unit[open] .unit__tray{grid-template-rows:1fr}
.unit__plate{
  overflow:hidden;min-height:0;
  padding:22px 26px 30px;border-top:1px solid var(--metal-line);
  background:linear-gradient(180deg,#16191d,#14171b);
}

.plate-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:20px;
}
.plate-head__label{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--text-dim);
  text-transform:uppercase;
}
.plate-status{
  display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--green);
  text-transform:uppercase;
}

.spec{
  margin:0 0 22px;display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));gap:0;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.spec>div{
  display:flex;flex-direction:column;gap:4px;
  padding:14px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(0,0,0,0.18);
}
.spec dt{
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--text-dim);
  text-transform:uppercase;
}
.spec dd{margin:0;font-family:var(--mono);font-size:13px;color:var(--text);line-height:1.5;word-break:break-word}

.pitch{margin:0;max-width:72ch;color:#c9ccd3;line-height:1.7}

/* ---------- rail ---------- */

.rail{
  position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:40;
  display:flex;flex-direction:column;gap:9px;padding:10px;
  background:rgba(18,20,23,0.8);border:1px solid var(--metal-line);
  border-radius:999px;backdrop-filter:blur(8px);
}
.rail__dot{
  width:22px;height:22px;border-radius:50%;position:relative;
  background:transparent;border:1px solid var(--metal);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.rail__dot span{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:7px;letter-spacing:.02em;color:var(--text-dim);
}
.rail__dot:hover{border-color:var(--amber)}
.rail__dot.is-active{background:var(--amber);border-color:var(--amber)}
.rail__dot.is-active span{color:#121417;font-weight:600}

/* ---------- operator ---------- */

.operator{max-width:var(--max);margin:0 auto;padding:20px 28px 40px}
.operator__plate{
  border:1px solid var(--metal-line);
  background:linear-gradient(180deg,#15181c,#121417);
  padding:44px 44px 40px;
}
.operator__plate h2{
  margin:0 0 16px;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:700;letter-spacing:-.02em;
}
.operator__plate>p{
  max-width:66ch;color:var(--text-dim);line-height:1.7;margin:0 0 28px;
}
.operator__facts{
  margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
}
.operator__facts>div{
  padding:14px 16px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(0,0,0,0.18);
}
.operator__facts dt{
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--text-dim);
  text-transform:uppercase;margin-bottom:4px;
}
.operator__facts dd{margin:0;font-size:15px;line-height:1.5;color:#c9ccd3}

/* ---------- contact ---------- */

.contact{max-width:var(--max);margin:0 auto;padding:20px 28px 60px}
.contact__plate{
  border:1px solid rgba(240,168,78,0.35);
  background:
    radial-gradient(600px 300px at 80% 0%,rgba(240,168,78,0.08),transparent 60%),
    linear-gradient(180deg,#171a1e,#121417);
  padding:56px 44px;
}
.contact__status{
  display:flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--green);
  text-transform:uppercase;margin:0 0 20px;
}
.contact__plate h2{
  margin:0 0 14px;font-size:clamp(1.9rem,4.5vw,3rem);font-weight:800;letter-spacing:-.025em;line-height:1.05;
}
.contact__lead{max-width:60ch;color:var(--text-dim);line-height:1.7;margin:0 0 32px}
.contact__cta{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--amber);color:#121417;text-decoration:none;
  font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;padding:16px 24px;
  transition:transform .2s var(--ease),background .2s var(--ease);
}
.contact__cta:hover{transform:translateY(-2px);background:#fbbf6a}
.contact__cta svg{transition:transform .2s var(--ease)}
.contact__cta:hover svg{transform:translateY(3px)}
.contact__address{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--text-dim);
  margin:22px 0 0;
}

/* ---------- footer ---------- */

.footer{
  max-width:var(--max);margin:0 auto;padding:0 28px 34px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:var(--text-dim);
  text-transform:uppercase;border-top:1px solid var(--metal-line);padding-top:24px;
}
.footer p{margin:0}

/* ---------- responsive ---------- */

@media (max-width:860px){
  .topbar__spec{display:none}
  .spec,.operator__facts{grid-template-columns:1fr}
}

@media (max-width:1240px){
  .rail{display:none}
}

@media (max-width:560px){
  .hero{padding-top:110px}
  .hero__row{flex-direction:column;align-items:flex-start;gap:18px}
  .unit__face{padding:16px 18px;flex-wrap:wrap;row-gap:8px}
  .unit__titles{flex-basis:100%;order:3;white-space:normal}
  .unit__sub{white-space:normal;overflow:visible;text-overflow:clip}
  .unit__num{width:auto}
  .unit[open] .unit__face{transform:translateX(0)}
  .unit__plate{padding:18px 18px 24px}
  .operator__plate,.contact__plate{padding:34px 24px}
  .topbar__nav{gap:14px}
}

/* boot: single authored moment */
.unit__face{animation:unit-in .7s var(--ease) both;animation-delay:calc(var(--i,0)*0.05s)}
@keyframes unit-in{
  from{opacity:0}
  to{opacity:1}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001s !important;animation-iteration-count:1 !important;transition-duration:.001s !important}
  .unit__face{animation:none;opacity:1}
}