/* Layout: a 1980s brick phone, as wide as the viewport, standing under a studio spotlight. The whole site lives inside its LCD (dot-matrix headlines, LED ticker, menu-style lists); the phone grows with its content. Keypad in 3D perspective plays real DTMF tones. Strict greyscale, system fonts only. */
:root{
  --void:#0A0A0A;
  --studio:#2E2E2E;
  --plastic-hi:#F7F7F7;
  --plastic:#E2E2E2;
  --plastic-lo:#BEBEBE;
  --bezel:#121212;
  --lcd:#C6C6C6;
  --lcd-hi:#D3D3D3;
  --ink:#0F0F0F;
  --ink-2:#3E3E3E;
  --ink-3:rgba(0,0,0,.075);
  --led:#060606;
  --led-ink:#E6E6E6;
  --mute:#8A8A8A;
  --amber:#A75500;
  --amber-ink:#FFF3E6;
  --amber-text:#7A3E00;
  --amber-deep:#3A1E00;
  --f-head:"Arial Black","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --f-sans:"Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --f-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
  --dot:clamp(4px,.5vw,7px);
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
body{background:var(--void);color:var(--ink);font-family:var(--f-sans);line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:inherit}
:focus-visible{outline:2px solid currentColor;outline-offset:3px}
p,h1,h2,h3{margin:0}
.mono{font-family:var(--f-mono)}

/* ---------- studio ---------- */
.stage{position:relative;overflow-x:clip;padding-left:max(10px,env(safe-area-inset-left,0px));padding-right:max(10px,env(safe-area-inset-right,0px));padding-block:0 clamp(70px,9vw,120px);
  background:radial-gradient(ellipse 60% 38% at 50% 0%,#4A4A4A 0%,var(--studio) 34%,#151515 70%,var(--void) 100%)}
.phone{position:relative;max-width:1500px;margin:0 auto;padding-top:clamp(110px,13vw,190px)}
.phone::after{content:"";position:absolute;left:6%;right:6%;bottom:calc(-1 * clamp(36px,5vw,64px));height:clamp(40px,6vw,80px);border-radius:50%;
  background:radial-gradient(ellipse at 50% 30%,rgba(0,0,0,.85),rgba(0,0,0,0) 70%);z-index:0}

/* antenna + signal */
.antenna{position:absolute;top:clamp(24px,3vw,44px);right:9%;width:clamp(18px,2vw,28px);bottom:0;z-index:0}
.antenna .rod{position:absolute;inset:0 0 auto;height:calc(100% - 20px);border-radius:14px 14px 3px 3px;background:linear-gradient(90deg,#3c3c3c,#0e0e0e 46%,#2a2a2a);box-shadow:inset 0 2px 0 rgba(255,255,255,.14)}
.antenna .rod::before{content:"";position:absolute;left:50%;top:-12px;width:72%;height:24px;transform:translateX(-50%);border-radius:12px;background:linear-gradient(90deg,#4a4a4a,#141414)}
.antenna .rod::after{content:"";position:absolute;left:-8px;right:-8px;bottom:-20px;height:56px;border-radius:7px 7px 0 0;background:linear-gradient(90deg,#2c2c2c,#0b0b0b 50%,#242424)}

/* shell */
.shell{position:relative;z-index:1;border-radius:clamp(24px,3vw,44px) clamp(24px,3vw,44px) clamp(30px,4.4vw,64px) clamp(30px,4.4vw,64px);padding:clamp(10px,1.5vw,22px);
  background:linear-gradient(90deg,var(--plastic-lo) 0%,var(--plastic-hi) 5%,var(--plastic) 72%,var(--plastic-lo) 100%);
  border:1px solid #A9A9A9;
  box-shadow:0 2px 0 #FFF inset,0 -4px 0 rgba(0,0,0,.1) inset,0 60px 90px -30px rgba(0,0,0,.9),0 0 0 1px rgba(0,0,0,.4)}
.shell::before{content:"";position:absolute;left:3%;right:3%;top:0;height:40%;border-radius:inherit;pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.55),rgba(255,255,255,0))}

/* earpiece */
.ear{position:relative;height:clamp(66px,8vw,108px);margin:2px clamp(4px,1vw,12px) clamp(10px,1.4vw,18px);border-radius:22px 22px 60px 60px / 22px 22px 50px 50px;
  background:radial-gradient(ellipse at 50% 25%,#FBFBFB 0%,#E1E1E1 55%,#C6C6C6 100%);
  box-shadow:inset 0 7px 16px rgba(0,0,0,.2),inset 0 -2px 0 rgba(255,255,255,.75);display:grid;place-items:center}
.grille{width:84px;height:40px;background-image:radial-gradient(#1a1a1a 1.7px,transparent 2.1px);background-size:10px 10px;opacity:.85}
.inuse{position:absolute;left:clamp(16px,3vw,40px);top:50%;transform:translateY(-50%);display:flex;align-items:center;gap:8px;font:700 .62rem var(--f-mono);letter-spacing:.16em;color:#6a6a6a}
.inuse i{width:9px;height:9px;border-radius:50%;background:#1c1c1c;box-shadow:inset 0 1px 2px #000,0 1px 0 #fff}
@media (prefers-reduced-motion:no-preference){.inuse i{animation:led 1.6s steps(1) infinite}}
@keyframes led{50%{background:#F2F2F2;box-shadow:0 0 8px #fff,inset 0 0 2px #999}}

/* screen */
.screen{border-radius:16px;padding:clamp(5px,.6vw,9px);background:var(--bezel);box-shadow:0 1px 0 #fff,inset 0 0 0 1px #000,inset 0 2px 10px #000}
.lcd{position:relative;border-radius:9px;color:var(--ink);overflow:hidden;
  background:radial-gradient(ellipse 80% 50% at 50% 0%,var(--lcd-hi),var(--lcd) 70%);
  box-shadow:inset 0 4px 14px rgba(0,0,0,.4),inset 0 0 80px rgba(0,0,0,.1);transition:filter .5s}
.lcd::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:3;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.05) 0 1px,transparent 1px 3px),linear-gradient(118deg,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 28%)}
.lcd.off{filter:brightness(.08) contrast(1.6)}
.inner{position:relative;z-index:2;max-width:68rem;margin:0 auto;grid-template-columns:minmax(0,1fr);padding:clamp(14px,3vw,40px) clamp(16px,4vw,52px) clamp(30px,5vw,72px);display:grid;gap:clamp(48px,8vw,104px)}

/* status bar */
.status{display:flex;justify-content:space-between;align-items:center;gap:10px;font:600 .72rem var(--f-mono);letter-spacing:.12em;text-transform:uppercase;border-bottom:2px solid var(--ink);padding-bottom:9px}
.sig{display:inline-flex;align-items:flex-end;gap:2px;height:12px;margin-right:8px;vertical-align:-1px}
.sig i{display:block;width:3px;background:var(--ink)}
.sig i:nth-child(1){height:3px}.sig i:nth-child(2){height:6px}.sig i:nth-child(3){height:9px}.sig i:nth-child(4){height:12px}
@media (prefers-reduced-motion:no-preference){.sig i:nth-child(4){animation:sig 2.4s steps(1) infinite}.sig i:nth-child(3){animation:sig 2.4s .3s steps(1) infinite}}
@keyframes sig{70%{opacity:.15}}
.status nav{display:flex;gap:10px}
.status nav a{text-decoration:none;opacity:.5}
.status nav a:hover{opacity:1}
.status nav [aria-current]{opacity:1;background:var(--ink);color:var(--lcd);padding:1px 5px}
.online{display:none}
@media (min-width:600px){.online{display:inline}}

/* dot matrix */
.matrix{position:relative;display:inline-block;max-width:100%}
.matrix::before{content:"";position:absolute;inset:-.06em -.04em;background-image:radial-gradient(circle,var(--ink-3) 0 36%,transparent 40%);background-size:var(--dot) var(--dot);pointer-events:none}
.dots{position:relative;-webkit-mask-image:radial-gradient(circle,#000 0 55%,transparent 60%);mask-image:radial-gradient(circle,#000 0 55%,transparent 60%);-webkit-mask-size:var(--dot) var(--dot);mask-size:var(--dot) var(--dot)}

/* ticker */
.ticker{position:relative;z-index:2;background:var(--ink);color:var(--lcd);overflow:hidden;white-space:nowrap;font:700 .8rem var(--f-mono);letter-spacing:.2em;text-transform:uppercase;padding-block:9px}
.ticker div{display:inline-flex;gap:0}
.ticker span{padding-left:1.4em}
@media (prefers-reduced-motion:no-preference){.ticker div{animation:tick 40s linear infinite}}
@keyframes tick{to{transform:translateX(-50%)}}

/* hero */
.hero{display:grid;gap:clamp(24px,3.4vw,40px);padding-top:clamp(18px,4vw,48px)}
h1{font:900 clamp(3.1rem,13vw,10.5rem)/.84 var(--f-head);letter-spacing:-.015em;text-transform:uppercase}
.kicker{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;font:700 clamp(.9rem,1.6vw,1.1rem) var(--f-mono);letter-spacing:.06em;text-transform:uppercase}
.kicker .amb{color:var(--amber-text)}
.kicker .plus{display:inline-grid;place-items:center;width:1.6em;height:1.6em;background:var(--ink);color:var(--lcd)}
.lead{font:800 clamp(1.5rem,3.6vw,2.6rem)/1.05 var(--f-sans);letter-spacing:-.03em;max-width:24ch;text-wrap:balance}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:10px;counter-reset:s}
@media (min-width:860px){.steps{grid-template-columns:repeat(3,1fr);gap:14px}}
.steps li{position:relative;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;padding:14px 16px;border:2px solid var(--ink);background:rgba(255,255,255,.12);transition:background .18s,color .18s}
@media (min-width:860px){.steps li{grid-template-columns:1fr;align-content:space-between;min-height:12.5rem;padding:18px}}
.steps .n{font:900 clamp(3.2rem,6vw,5.4rem)/.8 var(--f-head)}
.steps .t{font:600 .95rem/1.35 var(--f-mono);letter-spacing:.01em}
.steps .t small{display:block;font:700 .66rem var(--f-mono);letter-spacing:.18em;text-transform:uppercase;opacity:.6;margin-bottom:4px}
.steps li.on{background:var(--ink);color:var(--lcd)}
.steps li.on .matrix::before{opacity:0}
.time{font:600 clamp(.95rem,1.6vw,1.1rem) var(--f-mono)}
.cur{display:inline-block;width:.62em;height:1.05em;background:currentColor;vertical-align:-.15em;margin-left:.3em}
@media (prefers-reduced-motion:no-preference){.cur{animation:blink 1.05s steps(1) infinite}}
@keyframes blink{50%{opacity:0}}
.cta{justify-self:start;display:inline-flex;align-items:center;gap:18px;background:var(--amber);color:var(--amber-ink);text-decoration:none;
  font:900 clamp(1.15rem,2.4vw,1.6rem) var(--f-head);letter-spacing:.06em;text-transform:uppercase;padding:clamp(16px,2.2vw,24px) clamp(24px,3.4vw,40px);
  box-shadow:6px 6px 0 var(--amber-deep);transition:transform .08s,box-shadow .08s}
.cta:hover{transform:translate(-2px,-2px);box-shadow:8px 8px 0 var(--amber-deep)}
.cta:active,.cta.hit{transform:translate(4px,4px);box-shadow:2px 2px 0 var(--amber-deep)}
.cta .arr{font-family:var(--f-mono);font-size:1.1em}
.hint{font:600 .72rem var(--f-mono);letter-spacing:.14em;text-transform:uppercase;opacity:.65}

/* cred */
.cred{display:grid;gap:clamp(14px,2.4vw,40px);align-items:end;border-top:2px solid var(--ink);padding-top:clamp(20px,3vw,32px)}
@media (min-width:860px){.cred{grid-template-columns:auto 1fr}}
.cred .big{font:900 clamp(7rem,24vw,17rem)/.78 var(--f-head);letter-spacing:-.04em}
.cred .unit{font:700 .8rem var(--f-mono);letter-spacing:.2em;text-transform:uppercase;margin-top:10px}
.cred p.line{font:800 clamp(1.4rem,3.4vw,2.5rem)/1.06 var(--f-sans);letter-spacing:-.03em;max-width:20ch;text-wrap:balance}
.cred p.line span{color:var(--ink-2)}

/* does / doesn't */
.menu{display:grid;gap:clamp(20px,3vw,32px)}
@media (min-width:860px){.menu{grid-template-columns:1fr 1fr}}
.panel{border:2px solid var(--ink);min-width:0;background:rgba(255,255,255,.1)}
.panel h2{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--ink);color:var(--lcd);font:800 clamp(1rem,1.6vw,1.15rem) var(--f-sans);letter-spacing:-.01em;padding:12px 16px}
.panel h2 i{font:700 .7rem var(--f-mono);font-style:normal;letter-spacing:.18em;opacity:.7}
.panel ol{list-style:none;margin:0;padding:6px 0;counter-reset:m}
.panel li{padding:14px 16px;border-bottom:1px dashed rgba(0,0,0,.35)}
.panel li:last-child{border-bottom:0}
.panel.no li{color:var(--ink-2)}

/* faq */
.faq{display:grid;gap:0;border-top:2px solid var(--ink);padding-top:clamp(20px,3vw,32px)}
.faq > *{max-width:52rem}
.faq h2{display:inline-flex;justify-self:start;background:var(--ink);color:var(--lcd);font:800 clamp(1rem,1.6vw,1.15rem) var(--f-sans);padding:10px 16px;margin-bottom:6px}
details{border-bottom:1px solid rgba(0,0,0,.22)}
summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:baseline;padding:16px 4px;font:800 clamp(1rem,1.7vw,1.15rem)/1.3 var(--f-sans);letter-spacing:-.01em}
summary::-webkit-details-marker{display:none}
summary::after{content:"›";font:700 1.2rem var(--f-mono);transition:transform .2s}
details[open] summary::after{transform:rotate(90deg)}
summary:hover{background:rgba(0,0,0,.06)}
details p{padding:0 4px 18px;max-width:44rem;font-size:1rem}
.eot{font:700 .7rem var(--f-mono);letter-spacing:.24em;text-transform:uppercase;text-align:center;opacity:.55}

/* readout + keypad */
.readout{position:relative;z-index:2;margin:clamp(12px,1.6vw,18px) auto 0;max-width:min(100%,600px);font:600 .8rem var(--f-mono);letter-spacing:.14em;background:var(--led);color:var(--led-ink);border-radius:5px;padding:9px 12px;min-height:2.4em;box-shadow:inset 0 2px 8px #000,0 1px 0 #fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-shadow:0 0 6px rgba(255,255,255,.35)}
.face{position:relative;margin:clamp(16px,2vw,24px) auto 0;max-width:min(100%,780px);padding:clamp(22px,3.4vw,40px) clamp(14px,4vw,52px) clamp(22px,3vw,34px);
  border-radius:50% 50% 38px 38px / 40px 40px 38px 38px;
  background:radial-gradient(ellipse 120% 80% at 50% 0%,#3B3B3B 0%,#222 45%,#151515 100%);
  box-shadow:inset 0 2px 0 rgba(255,255,255,.12),inset 0 -3px 8px rgba(0,0,0,.7),inset 14px 0 20px -14px rgba(255,255,255,.08),inset -14px 0 20px -14px rgba(0,0,0,.6),0 1px 0 #fff}
.face::before{content:"";position:absolute;left:8%;right:8%;top:10px;height:18px;border-radius:50%;background:radial-gradient(ellipse at 50% 0%,rgba(255,255,255,.14),rgba(255,255,255,0) 70%);pointer-events:none}
.keys{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,1.8vw,18px) clamp(14px,3vw,30px);max-width:560px;margin:0 auto}
.key{appearance:none;border:0;border-radius:6px 6px 9px 9px;padding:0;height:clamp(48px,6vw,58px);cursor:pointer;
  background:linear-gradient(180deg,#FFFFFF 0%,#EDEDED 38%,#CFCFCF 100%);color:#111;
  box-shadow:0 5px 0 #7E7E7E,0 8px 10px rgba(0,0,0,.55),inset 0 1px 0 #fff,inset 0 -2px 0 rgba(0,0,0,.08);
  display:flex;align-items:center;justify-content:center;gap:10px;line-height:1;transition:transform .06s,box-shadow .06s,filter .15s}
.key b{font:800 clamp(1.25rem,2.4vw,1.55rem) var(--f-sans)}
.key small{font:700 .6rem var(--f-mono);letter-spacing:.1em;color:#555;text-align:left;width:2.6em}
.key:hover{filter:brightness(1.04)}
.key:active,.key.hit{transform:translateY(4px);box-shadow:0 1px 0 #7E7E7E,0 2px 4px rgba(0,0,0,.55),inset 0 1px 0 #fff}
.keys .gap{grid-column:1/-1;height:6px}
.keys .cta{grid-column:1/-1;justify-self:stretch;justify-content:center;margin:0 8px 8px 0}
.keys .cta.blink{animation:ctablink .5s steps(1) 2}
@keyframes ctablink{50%{background:var(--amber-ink);color:var(--amber-text)}}
@media (prefers-reduced-motion:reduce){.keys .cta.blink{animation-iteration-count:1}}
.mouth{position:relative;z-index:2;display:grid;justify-items:center;gap:10px;padding:clamp(18px,3vw,28px) 0 clamp(6px,1vw,12px)}
.brand{font:900 .82rem var(--f-head);letter-spacing:.38em;color:#3f3f3f;text-shadow:0 1px 0 #fff}
.slot{width:40px;height:9px;border-radius:9px;background:#191919;box-shadow:inset 0 2px 3px #000,0 1px 0 #fff}

/* footer */
footer{background:var(--void);color:var(--mute)}
footer .wrap{max-width:68rem;margin:0 auto;padding:clamp(28px,4vw,44px) max(16px,env(safe-area-inset-right,0px)) 56px max(16px,env(safe-area-inset-left,0px));display:grid;gap:8px;justify-items:center;text-align:center;font:500 .68rem var(--f-mono);letter-spacing:.1em;text-transform:uppercase}
footer .fname{color:#BDBDBD;font-weight:700;letter-spacing:.2em}
footer a{text-decoration:none;border-bottom:1px solid #3a3a3a;padding-bottom:1px}
footer a:hover{color:#E6E6E6}

/* ---------- i18n / accesibilidad (oct. 2026) — sin cambios visuales ---------- */
html{-webkit-text-size-adjust:100%}
/* zona táctil más amplia en el selector ES/FR/EN, invisible */
.status nav a{position:relative}
.status nav a::after{content:"";position:absolute;inset:-10px -4px}
/* foco visible: el contorno heredado (currentColor) no se veía sobre el LCD gris ni sobre la placa negra */
.lcd .cta:focus-visible,.status nav a:focus-visible{outline-color:var(--ink)}
.key:focus-visible{outline-color:#FFFFFF}