/* Periastro Studio — estilos compartidos del sitio.
   Marca del estudio: Noche + Dorado, Space Grotesk y Cormorant Garamond.
   Las páginas de Unstar agregan class="unstar" al <body> y usan la paleta del juego. */

:root{
  color-scheme:dark;
  --surface:#0D0D0F; --surface-raised:#16161A; --hairline:#24242A;
  --ink:#F3EEE6; --ink-muted:#9A9AA2;
  --oro:#F2C879; --oro-profundo:#C9963A; --oro-claro:#FBE3A6;
  --aurora-turquesa:#6FD3C7; --aurora-azul:#5B7CFA;
  --brasa-ambar:#FFB347; --brasa-rosa:#FF4D6D;
  --on-oro:#111114;
  --font-sans:"Space Grotesk", system-ui, sans-serif;
  --font-serif:"Cormorant Garamond", Georgia, serif;
  --font-display:var(--font-sans);
  --font-body:var(--font-sans);
  --radius-sm:8px; --radius-md:16px;
  --max:1160px;
}
body.unstar{
  --surface:#070B1A; --surface-raised:#0F1530; --hairline:#1E2650;
  --ink:#F4EFE2; --ink-muted:#A8ADC0;
  --font-display:"Marcellus", Georgia, serif;
  --font-body:"Figtree", system-ui, sans-serif;
}

/* Idioma: cada texto viene en par .l-es / .l-en; el script del <head> pone data-lang antes de pintar. */
html[data-lang="en"] .l-es, html:not([data-lang="en"]) .l-en{display:none!important}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--surface);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--oro);text-underline-offset:3px}
:focus-visible{outline:2px solid var(--oro);outline-offset:3px;border-radius:4px}
h1,h2,h3,h4{text-wrap:balance;margin:0;line-height:1.15}
p{margin:0}
.muted{color:var(--ink-muted)}
.wrap{max-width:var(--max);margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:20;background:var(--oro);color:var(--on-oro);padding:8px 12px;border-radius:8px}

.eyebrow{font-family:var(--font-serif);font-weight:600;font-size:14px;line-height:20px;letter-spacing:.4em;text-transform:uppercase;color:var(--oro)}
body.unstar .eyebrow{font-family:var(--font-body);letter-spacing:.24em;font-size:13px}
h2{font-family:var(--font-display);font-size:clamp(28px,4vw,40px);font-weight:700;letter-spacing:-.01em}
body.unstar h2{font-weight:400;letter-spacing:.01em}

/* Encabezado */
header.top{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--hairline)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:14px}
.firma{width:168px;height:auto}
nav.main{display:flex;align-items:center;gap:22px}
nav.main a{color:var(--ink);text-decoration:none;font-family:var(--font-sans);font-size:15px;font-weight:500}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--oro)}
.lang{display:flex;border:1px solid var(--hairline);border-radius:var(--radius-sm);overflow:hidden}
.lang button{all:unset;cursor:pointer;font:600 12px/1 var(--font-sans);letter-spacing:.08em;padding:7px 10px;color:var(--ink-muted)}
.lang button[aria-pressed="true"]{background:var(--ink);color:var(--surface)}
.lang button:focus-visible{outline:2px solid var(--oro);outline-offset:-2px}
@media (max-width:720px){nav.main .navlink{display:none}.firma{width:144px}}

/* Botones y chips */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 15px/1 var(--font-sans);padding:14px 18px;border-radius:var(--radius-sm);text-decoration:none;cursor:pointer;border:1px solid transparent;min-height:44px}
body.unstar .btn{font-family:var(--font-body);border-radius:999px;padding-inline:22px}
.btn.primary{background:var(--oro);color:var(--on-oro)}
.btn.primary:hover{background:var(--oro-claro)}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--hairline)}
.btn.ghost:hover{border-color:var(--ink-muted)}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font:600 12px/18px var(--font-sans);letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px;border:1px solid var(--hairline);color:var(--ink-muted)}
.chip.live{border-color:color-mix(in srgb,var(--aurora-turquesa) 50%,transparent);color:var(--aurora-turquesa)}
.chip.live::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:currentColor;margin-right:6px;vertical-align:1px}

section.block{border-top:1px solid var(--hairline)}
section.block>.wrap{padding-block:64px}
.sec-head{display:flex;flex-direction:column;gap:16px;margin-bottom:40px;max-width:40em}

/* ===== Inicio del estudio ===== */
.hero .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:end;padding-block:64px}
.hero h1{font-size:clamp(56px,9vw,112px);line-height:.92;font-weight:700;letter-spacing:-.01em;margin-top:24px}
.hero h1 span{display:block}
.hero .lede{margin-top:24px;font-size:19px;line-height:30px;max-width:30em}
.hero .lede em{font-style:normal;color:var(--ink-muted)}
.art svg{display:block;width:100%;height:auto;overflow:visible}
.orbit{fill:none;stroke:var(--ink);stroke-width:2}
.orbit-path{stroke-dasharray:900;animation:draw 1.6s cubic-bezier(.2,.7,.2,1) both}
.orbit-path.b{animation-delay:.15s}.orbit-path.c{animation-delay:.3s}
@keyframes draw{from{stroke-dashoffset:900}to{stroke-dashoffset:0}}
.planet-dot{transform-box:fill-box;transform-origin:center;animation:pop .5s 1.2s both}
@keyframes pop{from{transform:scale(0)}to{transform:scale(1)}}
@media (max-width:820px){.hero .wrap{grid-template-columns:1fr;padding-block:40px}.art{order:-1;max-width:520px}}

.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);overflow:hidden}
.feature .shots{position:relative;background:radial-gradient(120% 90% at 70% 10%,#1B2350,#070B1A 65%);display:flex;justify-content:center;align-items:flex-end;gap:16px;padding:40px 24px 0;min-height:360px;overflow:hidden}
.feature .shots img{width:min(42%,200px);border-radius:20px 20px 0 0;border:1px solid #2A3158;border-bottom:0;box-shadow:0 -10px 40px rgba(0,0,0,.4)}
.feature .shots img+img{margin-bottom:-40px}
.feature .info{display:flex;flex-direction:column;gap:16px;padding:40px}
.unstar-name{font-family:"Marcellus",Georgia,serif;font-weight:400;font-size:52px;line-height:1;letter-spacing:.08em;color:#F4EFE2}
.unstar-lema{font-family:"Marcellus",Georgia,serif;font-size:19px;color:#F2C879}
.facts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;border-top:1px solid var(--hairline);padding-top:16px;margin:auto 0 0}
.facts dt{font-size:12px;color:var(--ink-muted);letter-spacing:.04em}
.facts dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
@media (max-width:860px){.feature{grid-template-columns:1fr}.feature .shots{min-height:300px}.feature .info{padding:24px}}

.taller-title{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin:64px 0 24px;flex-wrap:wrap}
.taller-title h3{font-size:22px;font-weight:600}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.wip{background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column}
.wip .pic{aspect-ratio:16/10}
.wip .pic svg{display:block;width:100%;height:100%}
.wip .body{padding:24px;display:flex;flex-direction:column;gap:8px}
.wip h4{font-size:18px;font-weight:600}
.wip .meta{display:flex;justify-content:space-between;gap:8px;font-size:13px;color:var(--ink-muted);margin-top:8px}
@media (max-width:900px){.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:600px){.grid3{grid-template-columns:1fr}}

.studio{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:center}
.studio .txt{display:flex;flex-direction:column;gap:16px}
.studio .txt p{max-width:34em}
.diagram svg{display:block;width:100%;height:auto}
.diagram text{font-family:var(--font-sans);font-size:13px;fill:var(--ink-muted)}
.diagram .lbl-oro{fill:var(--oro);font-weight:600}
.principios{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:64px;border-top:1px solid var(--hairline);padding-top:40px}
.principios h4{margin:0 0 8px;font-size:17px;font-weight:600}
.principios p{color:var(--ink-muted);font-size:15px;line-height:24px}
@media (max-width:820px){.studio{grid-template-columns:1fr;gap:40px}.principios{grid-template-columns:1fr}}

.contact{display:flex;flex-direction:column;gap:24px;align-items:flex-start}
.contact h2{font-size:clamp(32px,5vw,56px);line-height:1.05;max-width:16em}
.mailbox{display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:8px 8px 8px 24px;max-width:100%}
.mail{font-size:clamp(17px,2.4vw,22px);font-weight:600;user-select:all;overflow-wrap:anywhere;min-width:0}
.copied{font-size:13px;color:var(--aurora-turquesa);min-height:20px}

/* ===== Página de Unstar ===== */
.u-hero{position:relative;overflow:hidden;background:radial-gradient(90% 70% at 75% 0%,#1B2350 0%,#070B1A 60%)}
.u-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(1.2px 1.2px at 12% 18%,#F4EFE2 50%,transparent 51%),radial-gradient(1px 1px at 32% 62%,#F4EFE2 50%,transparent 51%),radial-gradient(1.4px 1.4px at 58% 28%,#F2C879 50%,transparent 51%),radial-gradient(1px 1px at 82% 72%,#F4EFE2 50%,transparent 51%),radial-gradient(1px 1px at 8% 84%,#F4EFE2 50%,transparent 51%),radial-gradient(1.2px 1.2px at 46% 90%,#6FD3C7 50%,transparent 51%),radial-gradient(1px 1px at 92% 14%,#F4EFE2 50%,transparent 51%),radial-gradient(1px 1px at 70% 48%,#F4EFE2 50%,transparent 51%);opacity:.7;pointer-events:none}
.u-hero .wrap{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:center;padding-block:72px 0}
.u-hero .copy{display:flex;flex-direction:column;gap:20px;padding-bottom:72px}
.u-icon{width:84px;height:84px;border-radius:20px;box-shadow:0 8px 30px rgba(0,0,0,.45)}
.u-hero h1{font-family:"Marcellus",Georgia,serif;font-weight:400;font-size:clamp(56px,10vw,104px);letter-spacing:.1em;line-height:1}
.u-hero .lema{font-family:"Marcellus",Georgia,serif;font-size:clamp(20px,2.6vw,26px);color:var(--oro)}
.u-hero .lede{font-size:18px;line-height:1.6;max-width:30em}
.u-hero .phones{display:flex;justify-content:center;align-items:flex-end;gap:20px;align-self:end}
.phone{width:min(44%,220px);border-radius:28px 28px 0 0;border:1px solid #2A3158;border-bottom:0;padding:8px 8px 0;background:#0B1024;box-shadow:0 -20px 60px rgba(0,0,0,.5)}
.phone img{border-radius:20px 20px 0 0}
.phone.back{transform:translateY(-48px)}
.note{font-size:14px;color:var(--ink-muted)}
@media (max-width:860px){.u-hero .wrap{grid-template-columns:1fr;padding-top:48px;gap:24px}.u-hero .copy{padding-bottom:16px}.phone.back{transform:none}}

.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:how}
.how li{list-style:none;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:24px;display:flex;flex-direction:column;gap:8px}
.how li::before{counter-increment:how;content:counter(how);font-family:"Marcellus",Georgia,serif;font-size:28px;color:var(--oro);line-height:1}
.how h3{font-family:var(--font-body);font-size:18px;font-weight:600}
.how p{color:var(--ink-muted)}
.how{padding:0;margin:0}
@media (max-width:820px){.how{grid-template-columns:1fr}}

.gallery{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(200px,1fr);gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;-webkit-overflow-scrolling:touch}
.gallery figure{margin:0;scroll-snap-align:start;display:flex;flex-direction:column;gap:12px}
.gallery img{border-radius:22px;border:1px solid var(--hairline);aspect-ratio:734/1602;object-fit:cover;width:100%;background:#0B1024}
.gallery figcaption{font-size:14px;color:var(--ink-muted)}
.gallery figcaption strong{display:block;color:var(--ink);font-weight:600;font-size:15px}

.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 48px}
.features>div{display:flex;gap:16px;padding:20px 0;border-top:1px solid var(--hairline)}
.features .ic{flex:none;width:36px;height:36px;border-radius:50%;border:1px solid var(--hairline);display:grid;place-items:center;color:var(--oro)}
.features h3{font-family:var(--font-body);font-size:17px;font-weight:600;margin-bottom:2px}
.features p{color:var(--ink-muted);font-size:15px;line-height:1.55}
@media (max-width:720px){.features{grid-template-columns:1fr}}

.fair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:48px;align-items:start}
.fair ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:14px}
.fair li{padding-left:28px;position:relative}
.fair li::before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:50%;border:2px solid var(--aurora-turquesa)}
@media (max-width:820px){.fair{grid-template-columns:1fr;gap:24px}}

.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:32px}
.cta-band h2{font-size:clamp(24px,3vw,32px)}
.legal-links{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:15px}

/* ===== Páginas legales ===== */
.legal{max-width:700px;margin:0 auto;padding:48px max(16px,env(safe-area-inset-left,0px)) 80px}
.legal .crumbs{font-size:14px;color:var(--ink-muted);margin-bottom:24px}
.legal .crumbs a{color:var(--ink-muted)}
.legal h1{font-family:var(--font-display);font-weight:400;font-size:clamp(32px,6vw,44px);margin-bottom:12px}
.legal .meta{color:var(--ink-muted);font-size:14px}
.legal .summary{margin:32px 0 8px;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:20px 24px}
.legal .summary h2{font-family:var(--font-body);font-size:15px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--oro);margin-bottom:8px}
.legal .summary ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.legal .toc{margin:32px 0;padding:0;list-style:none;columns:2;column-gap:32px;font-size:15px}
.legal .toc li{break-inside:avoid;padding:3px 0}
.legal .toc a{color:var(--ink);text-decoration:none}
.legal .toc a:hover{color:var(--oro)}
@media (max-width:560px){.legal .toc{columns:1}}
.legal section{border-top:1px solid var(--hairline);padding-top:28px;margin-top:28px;scroll-margin-top:84px}
.legal section h2{font-family:var(--font-display);font-weight:400;font-size:24px;margin-bottom:12px}
.legal h3{font-family:var(--font-body);font-size:16px;font-weight:600;margin:18px 0 4px}
.legal p+p{margin-top:12px}
.legal ul{margin:10px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.legal table{width:100%;border-collapse:collapse;margin-top:12px;font-size:14px}
.legal th,.legal td{text-align:left;vertical-align:top;padding:10px 12px 10px 0;border-bottom:1px solid var(--hairline)}
.legal th{font-weight:600;color:var(--ink-muted);font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.legal .table-wrap{overflow-x:auto}
.legal code{font-size:.9em;background:var(--surface-raised);padding:1px 6px;border-radius:6px}
.legal strong{font-weight:600}

/* Pie */
footer{border-top:1px solid var(--hairline)}
footer .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding-block:28px;font-family:var(--font-sans);font-size:13px;color:var(--ink-muted)}
footer .sig{display:flex;align-items:center;gap:10px}
footer .simbolo{width:28px;height:auto}
footer nav{display:flex;flex-wrap:wrap;gap:8px 20px}
footer a{color:var(--ink-muted)}
footer a:hover{color:var(--oro)}

/* 404 */
.lost{min-height:70vh;display:grid;place-items:center;text-align:center;padding:48px 16px}
.lost .code{font-size:clamp(80px,18vw,160px);font-weight:700;line-height:1;color:var(--oro)}
.lost p{margin-top:12px}
.lost .actions{justify-content:center;margin-top:24px}

/* ===== Tablero de práctica ===== */
.board{background:#0B1024;border:1px solid var(--hairline);border-radius:var(--radius-md);padding:20px;margin:20px 0;display:flex;flex-direction:column;gap:14px;max-width:440px}
.board-grid{display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:6px;width:min(100%,calc(var(--n) * 64px))}
.star{all:unset;box-sizing:border-box;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:#2A3158;transition:color .15s,transform .15s;position:relative;min-width:28px}
.star svg{width:62%;height:62%;fill:currentColor}
.star.on{color:#F2C879;filter:drop-shadow(0 0 6px rgba(242,200,121,.55))}
.star.mark::after{content:"";position:absolute;inset:6%;border:2px solid #6FD3C7;border-radius:50%;animation:ring 1s ease-in-out infinite alternate}
@keyframes ring{from{opacity:.45}to{opacity:1}}
.star:focus-visible{outline:2px solid var(--oro);outline-offset:1px}
.star:hover{transform:scale(1.06)}
.board-bar{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;justify-content:space-between;font-size:14px;color:var(--ink-muted)}
.board-stat b{color:var(--ink);font-variant-numeric:tabular-nums}
.board-btns{display:flex;flex-wrap:wrap;gap:6px}
.board-btns button{all:unset;cursor:pointer;font:600 13px/1 var(--font-body);padding:9px 12px;border-radius:999px;border:1px solid var(--hairline);color:var(--ink)}
.board-btns button:hover{border-color:var(--ink-muted)}
.board-btns button:focus-visible{outline:2px solid var(--oro);outline-offset:2px}
.board-msg{min-height:22px;font-size:14px;color:#6FD3C7}

/* Mini tableros fijos (tablas, figuras) */
.mini{display:inline-grid;grid-template-columns:repeat(var(--n),12px);gap:3px;vertical-align:middle;padding:6px;background:#0B1024;border:1px solid var(--hairline);border-radius:8px}
.mini i{width:12px;height:12px;border-radius:50%;background:#232B52}
.mini i.on{background:#F2C879;box-shadow:0 0 5px rgba(242,200,121,.6)}
.mini i.tap{background:transparent;border:2px solid #6FD3C7;box-sizing:border-box}
.mini i.tap.on{background:#F2C879}
.row-pat{display:inline-flex;gap:3px;vertical-align:middle}
.row-pat i{width:12px;height:12px;border-radius:50%;background:#232B52}
.row-pat i.on{background:#F2C879}
.row-pat i.tap{background:#6FD3C7}
.figs{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-top:14px}
.figs figure{margin:0;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.figs figcaption{font-size:14px;color:var(--ink-muted)}
.figs figcaption strong{display:block;color:var(--ink)}
.legend{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:13px;color:var(--ink-muted);margin-top:10px}
.legend span{display:inline-flex;gap:6px;align-items:center}

/* ===== Documento con índice lateral (guías) ===== */
.doc{max-width:var(--max);margin:0 auto;padding:40px max(16px,env(safe-area-inset-left,0px)) 80px;display:grid;grid-template-columns:230px minmax(0,1fr);gap:56px}
.doc aside{position:sticky;top:88px;align-self:start;max-height:calc(100vh - 110px);overflow:auto;font-size:14px}
.doc aside p{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:10px}
.doc aside ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.doc aside a{display:block;color:var(--ink-muted);text-decoration:none;padding:5px 10px;border-left:2px solid var(--hairline)}
.doc aside a:hover{color:var(--ink);border-left-color:var(--oro)}
.doc article{max-width:720px;min-width:0}
.doc .crumbs{font-size:14px;color:var(--ink-muted);margin-bottom:20px}
.doc .crumbs a{color:var(--ink-muted)}
.doc h1{font-family:var(--font-display);font-weight:400;font-size:clamp(34px,6vw,52px);margin-bottom:14px}
.doc .lede{font-size:18px;color:var(--ink-muted);max-width:36em}
.doc section{border-top:1px solid var(--hairline);margin-top:40px;padding-top:32px;scroll-margin-top:84px}
.doc section h2{font-family:var(--font-display);font-weight:400;font-size:clamp(24px,3.4vw,30px);margin-bottom:14px}
.doc h3{font-family:var(--font-body);font-size:17px;font-weight:600;margin:24px 0 6px}
.doc p+p{margin-top:12px}
.doc ul,.doc ol.steps{margin:12px 0 0;padding-left:22px;display:flex;flex-direction:column;gap:8px}
.doc table{width:100%;border-collapse:collapse;margin-top:14px;font-size:14.5px}
.doc th,.doc td{text-align:left;vertical-align:middle;padding:10px 12px 10px 0;border-bottom:1px solid var(--hairline)}
.doc th{font-weight:600;color:var(--ink-muted);font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.doc td.num,.doc th.num{font-variant-numeric:tabular-nums;text-align:right;padding-right:16px}
.doc .table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.doc code{font-size:.9em;background:var(--surface-raised);padding:1px 6px;border-radius:6px}
.tip{margin-top:18px;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;padding:16px 18px}
.tip strong:first-child{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--oro);margin-bottom:4px}
.tip.teal strong:first-child{color:var(--aurora-turquesa)}
.next-doc{margin-top:48px;display:flex;flex-wrap:wrap;gap:12px}
.guide-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.guide-cards a{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:var(--ink);background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:24px}
.guide-cards a:hover{border-color:var(--oro)}
.guide-cards h3{font-family:var(--font-display);font-weight:400;font-size:24px}
.guide-cards p{color:var(--ink-muted);font-size:15px}
.guide-cards .go{color:var(--oro);font-weight:600;font-size:14px;margin-top:auto}
@media (max-width:900px){.doc{grid-template-columns:1fr;gap:0}.doc aside{position:static;max-height:none;margin-bottom:8px;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;padding:14px}.doc aside ol{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px}.doc aside a{border-left:0;padding:4px 0}.guide-cards{grid-template-columns:1fr}}

/* ===== Página de marca ===== */
.brand-hero .wrap{padding-block:64px 48px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;align-items:center}
.brand-hero h1{font-size:clamp(44px,7vw,84px);line-height:.95;font-weight:700;letter-spacing:-.01em;margin:20px 0}
.brand-hero .lede{font-size:19px;line-height:30px;max-width:30em;color:var(--ink-muted)}
.brand-hero .actions{margin-top:28px}
@media (max-width:820px){.brand-hero .wrap{grid-template-columns:1fr}.brand-hero .art{order:-1;max-width:460px}}
.anatomy{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.anatomy svg{width:100%;height:auto;display:block}
.anatomy ol{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:20px;counter-reset:a}
.anatomy li{display:grid;grid-template-columns:32px 1fr;gap:12px}
.anatomy li::before{counter-increment:a;content:counter(a);width:28px;height:28px;border-radius:50%;border:1px solid var(--oro);color:var(--oro);display:grid;place-items:center;font-size:13px;font-weight:600}
.anatomy h3{font-size:17px;font-weight:600;margin-bottom:2px}
.anatomy p{color:var(--ink-muted);font-size:15px}
@media (max-width:820px){.anatomy{grid-template-columns:1fr;gap:24px}}
.logo-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
.logo-card{grid-column:span 2;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);overflow:hidden;display:flex;flex-direction:column}
.logo-card.wide{grid-column:span 3}
.logo-card .pv{display:grid;place-items:center;padding:36px 28px;min-height:200px}
.logo-card .pv img{max-height:130px;width:auto}
.logo-card.wide .pv img{max-height:none;width:min(100%,340px)}
.logo-card .pv.light{background:#F3EEE6}
.logo-card .pv.dark{background:#0D0D0F}
.logo-card .pv.aur{background:#06171C}
.logo-card .meta{padding:16px 20px 20px;border-top:1px solid var(--hairline);display:flex;flex-direction:column;gap:6px}
.logo-card h3{font-size:16px;font-weight:600}
.logo-card p{font-size:14px;color:var(--ink-muted)}
.dl{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.dl a{font:600 12px/1 var(--font-sans);letter-spacing:.06em;padding:7px 10px;border-radius:6px;border:1px solid var(--hairline);color:var(--ink);text-decoration:none}
.dl a:hover{border-color:var(--oro);color:var(--oro)}
@media (max-width:900px){.logo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.logo-card,.logo-card.wide{grid-column:span 1}}
@media (max-width:560px){.logo-grid{grid-template-columns:1fr}}
.rules{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rule{background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;gap:10px}
.rule svg{width:100%;height:auto;display:block;border-radius:10px;background:#0D0D0F}
.rule h3{font-size:16px;font-weight:600}
.rule p{font-size:14px;color:var(--ink-muted)}
.donts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:20px}
.dont{background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;overflow:hidden}
.dont .pv{height:110px;display:grid;place-items:center;background:#0D0D0F;position:relative;overflow:hidden}
.dont .pv img{height:56px;width:auto}
.dont .pv::after{content:"";position:absolute;inset:0;background:linear-gradient(to top right,transparent calc(50% - 1px),#FF4D6D calc(50% - 1px),#FF4D6D calc(50% + 1px),transparent calc(50% + 1px));opacity:.85}
.dont p{padding:10px 14px;font-size:13.5px;color:var(--ink-muted)}
.dont p b{color:#FF4D6D;font-weight:600;margin-right:4px}
@media (max-width:820px){.rules{grid-template-columns:1fr}.donts{grid-template-columns:1fr 1fr}}
.swatches{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.swatch{all:unset;cursor:pointer;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.swatch:focus-visible{outline:2px solid var(--oro);outline-offset:2px}
.swatch .chip-c{height:96px}
.swatch .info{padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.swatch b{font-size:14px;font-weight:600}
.swatch code{font-size:13px;color:var(--ink-muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.swatch small{font-size:12.5px;color:var(--ink-muted);line-height:1.45;margin-top:4px}
.swatch.copied code{color:var(--aurora-turquesa)}
.sw-group{margin-top:28px}
.sw-group h3{font-size:15px;font-weight:600;margin-bottom:12px;color:var(--ink-muted)}
@media (max-width:820px){.swatches{grid-template-columns:repeat(2,minmax(0,1fr))}}
.type-spec{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.type-spec .card{background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);padding:28px;display:flex;flex-direction:column;gap:12px}
.type-spec .big{font-size:64px;line-height:1}
.type-spec .ser{font-family:var(--font-serif);font-weight:600}
.type-spec .abc{font-size:20px;line-height:1.5;color:var(--ink-muted);word-break:break-all}
.type-spec p{color:var(--ink-muted);font-size:14.5px}
@media (max-width:820px){.type-spec{grid-template-columns:1fr}}
.voice{width:100%;border-collapse:collapse;font-size:15px}
.voice th,.voice td{text-align:left;padding:12px 12px 12px 0;border-bottom:1px solid var(--hairline);vertical-align:top}
.voice th{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);font-weight:600}
.voice td:first-child{color:var(--ink)}
.voice td:last-child{color:var(--ink-muted);text-decoration:line-through;text-decoration-color:rgba(255,77,109,.6)}
.game-brand{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);background:#070B1A;border:1px solid #1E2650;border-radius:var(--radius-md);overflow:hidden}
.game-brand .l{padding:32px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.game-brand .r{padding:32px;border-left:1px solid #1E2650;display:flex;flex-direction:column;gap:16px}
.game-brand .pal{display:flex;gap:8px;flex-wrap:wrap}
.game-brand .pal span{display:flex;flex-direction:column;gap:4px;font-size:12px;color:#A8ADC0;font-family:ui-monospace,Menlo,monospace}
.game-brand .pal i{width:56px;height:40px;border-radius:8px;border:1px solid #1E2650}
@media (max-width:820px){.game-brand{grid-template-columns:1fr}.game-brand .r{border-left:0;border-top:1px solid #1E2650}}
.press{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:40px}
.facts-list{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 20px;font-size:15px}
.facts-list dt{color:var(--ink-muted)}
.facts-list dd{margin:0}
.copybox{background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.copybox+.copybox{margin-top:14px}
.copybox .hd{display:flex;justify-content:space-between;align-items:center;gap:10px}
.copybox .hd b{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-muted);font-weight:600}
.copybox button{all:unset;cursor:pointer;font:600 12px/1 var(--font-sans);padding:7px 10px;border-radius:6px;border:1px solid var(--hairline)}
.copybox button:hover{border-color:var(--oro);color:var(--oro)}
.copybox p{font-size:15px}
@media (max-width:820px){.press{grid-template-columns:1fr}}

/* ===== Paper de matemáticas ===== */
.abstract{margin-top:28px;border-left:2px solid var(--oro);padding:4px 0 4px 20px;color:var(--ink);font-size:16px}
.abstract b{display:block;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--oro);margin-bottom:6px}
.eq{margin:18px 0;padding:16px 20px;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;overflow-x:auto;font-family:"Cambria Math","STIX Two Math","Latin Modern Math",Georgia,serif;font-size:18px;text-align:center;white-space:nowrap}
.eq small{display:block;font-family:var(--font-body);font-size:13px;color:var(--ink-muted);margin-top:6px;white-space:normal}
.m{font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-style:italic}
.mat{display:inline-flex;align-items:center;gap:10px;vertical-align:middle;margin:4px 6px}
.mat table{width:auto!important;margin:0!important;border-collapse:separate;border-left:2px solid var(--ink-muted);border-right:2px solid var(--ink-muted);border-radius:6px;padding:2px 6px;font-family:ui-monospace,Menlo,monospace;font-size:14px}
.mat td{padding:1px 6px!important;border:0!important;text-align:center!important}
.mat td.sep{border-left:1px dashed var(--ink-muted)!important}
.mat td.piv{color:var(--oro);font-weight:700}
.steps-m{display:flex;flex-direction:column;gap:14px;margin-top:14px}
.steps-m .st{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;padding:14px 16px}
.steps-m .st p{flex:1 1 220px;font-size:14.5px;color:var(--ink-muted)}
.refs{margin:12px 0 0;padding-left:22px;display:flex;flex-direction:column;gap:8px;font-size:14.5px;color:var(--ink-muted)}
.timeline{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column}
.timeline li{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:12px 0;border-top:1px solid var(--hairline)}
.timeline b{font-family:var(--font-display);font-weight:400;font-size:22px;color:var(--oro);line-height:1.2}

/* ===== Header del inicio: nebulosa ===== */
.hero.space{position:relative;overflow:hidden;min-height:min(86vh,760px);display:flex;align-items:center;
  background:radial-gradient(60% 70% at 75% 40%,rgba(91,124,250,.22),transparent 70%),radial-gradient(40% 50% at 85% 60%,rgba(242,200,121,.18),transparent 70%),var(--surface)}
.hero.space #nebula{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0;transition:opacity 1.2s ease}
.hero.space #nebula.on{opacity:1}
.hero.space .wrap{position:relative;width:100%;pointer-events:none}
.hero.space .wrap a,.hero.space .wrap button{pointer-events:auto}
.hero.space h1{text-shadow:0 2px 30px rgba(13,13,15,.6)}
.hero.space .art svg{filter:drop-shadow(0 0 18px rgba(13,13,15,.5))}
.hero.space .orbit{stroke:var(--ink)}
.logo-card.wide .pv{height:240px}
.logo-card.wide .pv img{max-height:180px;width:auto;max-width:min(100%,340px)}

/* Tarjetas de guías (página de Unstar) */
.gcards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.gcard{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--surface-raised);border:1px solid var(--hairline);border-radius:var(--radius-md);overflow:hidden;transition:border-color .18s,transform .18s}
.gcard:hover{border-color:color-mix(in srgb,var(--oro) 70%,transparent);transform:translateY(-2px)}
.gvis{height:150px;display:flex;align-items:center;justify-content:center;gap:16px;background:radial-gradient(90% 120% at 70% 0%,#1B2350,#0B1024 70%);border-bottom:1px solid var(--hairline)}
.gvis .mini{transform:scale(1.5);background:transparent;border:0}
.gvis-rows .row-pat{transform:scale(1.35)}
.gvis-rows .gto{color:var(--ink-muted);font-size:20px;margin:0 10px}
.gvis-eq{font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:34px;color:var(--ink);gap:10px}
.gvis-eq small{font-size:15px;color:var(--ink-muted);font-family:var(--font-body)}
.gbody{padding:22px 24px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.gtag{font:600 11.5px/1 var(--font-body);letter-spacing:.14em;text-transform:uppercase;color:var(--aurora-turquesa)}
.gbody h3{font-family:"Marcellus",Georgia,serif;font-weight:400;font-size:26px;margin-top:4px}
.gbody p{color:var(--ink-muted);font-size:15px;line-height:1.55}
.garrow{margin-top:auto;padding-top:10px;color:var(--oro);font-weight:600;font-size:14.5px}
.garrow span[aria-hidden]{display:inline-block;transition:transform .18s}
.gcard:hover .garrow span[aria-hidden]{transform:translateX(4px)}
@media (max-width:860px){.gcards{grid-template-columns:1fr}}
.eq small .m{font-size:15px;font-style:italic;color:var(--ink)}
.op{font-family:"Cambria Math","STIX Two Math","Latin Modern Math","Times New Roman","DejaVu Serif",serif;font-style:normal;font-variant-emoji:text;font-weight:400;padding:0 .12em}
.eqsys{width:auto!important;margin:0 auto!important;border-collapse:collapse;font-size:18px}
.eqsys td{border:0!important;padding:3px 4px!important;text-align:center!important}
.eqsys td.lb{font-family:var(--font-body);font-size:14px;color:var(--ink-muted);text-align:right!important;padding-right:14px!important}
.eqsys td.o{color:var(--ink-muted);min-width:18px}

/* ===== Laboratorio de ecuaciones ===== */
.eqlab{margin:22px 0;background:#0B1024;border:1px solid var(--hairline);border-radius:var(--radius-md);padding:20px;display:flex;flex-direction:column;gap:20px}
.lab-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.lab-size,.lab-actions,.lab-stepnav{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.eqlab button:not(.btn):not(.lab-star){all:unset;cursor:pointer;font:600 13px/1 var(--font-body);padding:9px 13px;border-radius:999px;border:1px solid var(--hairline);color:var(--ink)}
.eqlab button:not(.btn):not(.lab-star):hover{border-color:var(--ink-muted)}
.eqlab button[aria-pressed="true"]:not(.lab-star){background:var(--ink);color:var(--surface)}
.eqlab button:focus-visible{outline:2px solid var(--oro);outline-offset:2px}
.lab-main{display:grid;grid-template-columns:auto minmax(0,1fr);gap:24px;align-items:start}
.lab-left{display:flex;flex-direction:column;gap:10px;width:min(240px,100%)}
.lab-grid{display:grid;grid-template-columns:repeat(var(--n),1fr);gap:6px}
.lab-star{all:unset;box-sizing:border-box;position:relative;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;cursor:pointer;color:#2A3158;transition:color .15s}
.lab-star svg{width:64%;height:64%;fill:currentColor}
.lab-star.on{color:#F2C879;filter:drop-shadow(0 0 6px rgba(242,200,121,.5))}
.lab-star .lab-num{position:absolute;left:50%;top:50%;transform:translate(-50%,-38%);font:700 11px/1 var(--font-body);color:#0B1024}
.lab-star:not(.on) .lab-num{color:#8A93C2}
.lab-star.nb{background:rgba(111,211,199,.12)}
.lab-star.me{background:rgba(111,211,199,.25)}
.lab-star.tap::after{content:"";position:absolute;inset:4%;border:2px solid #6FD3C7;border-radius:50%}
.lab-star:focus-visible{outline:2px solid var(--oro)}
.lab-hint{font-size:13.5px;color:var(--ink-muted);line-height:1.5}
.lab-h{font:600 12px/1.3 var(--font-body);letter-spacing:.1em;text-transform:uppercase;color:var(--ink-muted);margin:0 0 10px}
.lab-eqs{display:flex;flex-direction:column;gap:2px;max-height:330px;overflow:auto}
.lab-eq{display:grid;grid-template-columns:86px 1fr auto;gap:10px;align-items:center;padding:5px 8px;border-radius:8px;font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:16.5px}
.lab-eq.focus{background:rgba(111,211,199,.14)}
.lab-lb{font:13px/1 var(--font-body);color:var(--ink-muted)}
.lab-x i{font-style:italic}
.lab-eqs-eq b{font-weight:400;color:var(--ink-muted)}
.lab-eqs-eq b.one{color:#F2C879;font-weight:700}
.lab-matbox,.lab-stepbox{overflow-x:auto;-webkit-overflow-scrolling:touch}
.lab-table{border-collapse:collapse;font-family:ui-monospace,Menlo,monospace;font-size:13px;width:auto!important;margin:0!important}
.lab-table th,.lab-table td{padding:4px 7px!important;text-align:center!important;border:0!important;border-bottom:0!important}
.lab-table thead th{color:var(--ink-muted);font-weight:500;font-size:11.5px}
.lab-table tbody th{color:var(--ink-muted);font-weight:500;text-align:right!important;padding-right:10px!important}
.lab-table td{color:#3A4270}
.lab-table td.one{color:var(--ink)}
.lab-table .sep{border-left:1px dashed var(--ink-muted)!important}
.lab-table td.sep.one{color:#F2C879;font-weight:700}
.lab-table td.piv{color:#F2C879;font-weight:700;background:rgba(242,200,121,.12);border-radius:4px}
.lab-table tr.focus td,.lab-table tr.focus th{background:rgba(111,211,199,.12)}
.lab-table tr.changed td{background:rgba(111,211,199,.08)}
.lab-solve{display:flex;flex-direction:column;gap:14px;align-items:flex-start;border-top:1px solid var(--hairline);padding-top:18px}
.lab-steps{display:flex;flex-direction:column;gap:12px;width:100%}
.lab-stepn{font-size:13px;color:var(--ink-muted);padding:0 6px;font-variant-numeric:tabular-nums}
.lab-stepdesc{font-size:14px;color:var(--ink-muted)}
.lab-result p{font-size:15px}
.lab-result p.bad{color:#FF8FA3}
.lab-result{display:flex;flex-direction:column;gap:12px;align-items:flex-start}
@media (max-width:640px){.lab-main{grid-template-columns:1fr}.lab-left{width:min(260px,100%)}.lab-eq{grid-template-columns:70px 1fr auto;font-size:15px}}
.lab-steps[hidden]{display:none!important}
.lab-main{grid-template-columns:190px minmax(0,1fr)}
.lab-left{width:190px}
.lab-grid{width:min(100%,calc(var(--n) * 56px))}
.lab-terms{white-space:nowrap}
.lab-eq{grid-template-columns:76px auto 1fr}
.lab-eqs-eq{white-space:nowrap}
@media (max-width:640px){.lab-main{grid-template-columns:1fr}.lab-left{width:100%}.lab-eq{grid-template-columns:64px auto 1fr}}
.lab-eqs{max-height:450px}
.lab-table .rd{text-align:left!important;padding-left:14px!important;font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:14.5px;color:var(--ink);white-space:nowrap}
.lab-table th.rd{font-family:var(--font-body);font-size:11.5px;color:var(--ink-muted);font-weight:500}
.lab-table .rd b{font-weight:400;color:var(--ink-muted)}
.lab-table .rd b.one{color:#6FD3C7;font-weight:700}
.lab-table .rd .badrow{color:#FF8FA3}
.lab-table .rd .mutedrow{color:var(--ink-muted)}
.lab-read{width:100%;background:var(--surface-raised);border:1px solid var(--hairline);border-radius:12px;padding:18px 20px;display:flex;flex-direction:column;gap:12px}
.lab-read p{font-size:14.5px;line-height:1.6;color:var(--ink-muted)}
.lab-read p strong{color:var(--ink)}
.lab-read .lab-sol{color:var(--ink);font-size:15.5px}
.lab-xgrid{display:grid;grid-template-columns:repeat(var(--n),minmax(0,96px));gap:6px}
.lab-xc{border:1px solid var(--hairline);border-radius:10px;padding:8px 6px;display:flex;flex-direction:column;align-items:center;gap:2px;background:#0B1024}
.lab-xc span{font-family:"Cambria Math","STIX Two Math",Georgia,serif;font-size:15px;color:var(--ink-muted);white-space:nowrap}
.lab-xc small{font:600 11px/1 var(--font-body);letter-spacing:.06em;text-transform:uppercase;color:#4A5384}
.lab-xc.t{border-color:#6FD3C7;background:rgba(111,211,199,.1)}
.lab-xc.t span{color:var(--ink)}
.lab-xc.t small{color:#6FD3C7}
.lab-xc.fr{border-style:dashed}
.lab-xc.fr small{color:var(--oro)}
@media (max-width:640px){.lab-xc span{font-size:13px}.lab-xgrid{gap:4px}}
.lab-read .btn{align-self:flex-start}