:root{
  --paper:#efeee9; --panel:#e7e6e0; --ink:#16150f; --ink-2:#3a382f;
  --muted:#6d6a5e; --line:rgba(22,21,15,.16); --line-2:rgba(22,21,15,.08);
  /* accent = amarillo (antes menta); mismos nombres de variable para no romper usos */
  --mint:#ffd23f; --mint-ink:#2a2410;
  --maxw:1180px;
  --display:"Bricolage Grotesque","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --disp:"Helvetica Neue",Helvetica,Arial,"Segoe UI",system-ui,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Code",Menlo,Consolas,monospace;
}
:root[data-theme="light"]{
  --paper:#efeee9; --panel:#e7e6e0; --ink:#16150f; --ink-2:#3a382f;
  --muted:#6d6a5e; --line:rgba(22,21,15,.16); --line-2:rgba(22,21,15,.08);
}
:root[data-theme="dark"]{
  --paper:#14130f; --panel:#1c1b15; --ink:#efeee6; --ink-2:#c7c4b6;
  --muted:#8e8a7c; --line:rgba(239,238,230,.16); --line-2:rgba(239,238,230,.07);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme]){
    --paper:#14130f; --panel:#1c1b15; --ink:#efeee6; --ink-2:#c7c4b6;
    --muted:#8e8a7c; --line:rgba(239,238,230,.16); --line-2:rgba(239,238,230,.07);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--paper); color:var(--ink);
  font-family:var(--disp); font-weight:500; line-height:1.5;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
  letter-spacing:-.01em;
}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px}
.mono{font-family:var(--mono); font-size:.7rem; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); font-weight:400}
a{color:inherit; text-decoration:none}
::selection{background:var(--mint); color:var(--mint-ink)}

/* asterisk mark */
.ast{display:inline-block; width:1em; height:1em; vertical-align:-.12em}
.ast svg{width:100%; height:100%; display:block}
.ast line{stroke:currentColor; stroke-width:9}

/* nav */
header{position:sticky; top:0; z-index:60; background:color-mix(in srgb,var(--paper) 86%,transparent); backdrop-filter:blur(8px); border-bottom:1px solid var(--line-2)}
.bar{display:flex; align-items:center; justify-content:space-between; height:70px; gap:18px}
.brand{display:flex; align-items:center; gap:9px; font-family:var(--display); font-weight:600; letter-spacing:-.02em; font-size:1.14rem}
.brand .ast{width:16px;height:16px;color:var(--ink)}
.brand .mark{width:32px; height:auto; display:block}
nav.mid{display:flex; gap:30px}
nav.mid a{font-size:.82rem; color:var(--ink-2); font-weight:600; letter-spacing:0}
nav.mid a:hover{color:var(--ink)}
.right{display:flex; align-items:center; gap:12px}
.toggle{font-family:var(--mono); font-size:.62rem; letter-spacing:.14em; text-transform:uppercase; background:transparent; border:1px solid var(--line); color:var(--muted); border-radius:999px; padding:8px 12px; cursor:pointer}
.toggle:hover{color:var(--ink); border-color:var(--ink)}
.pill{background:var(--mint); color:var(--mint-ink); font-weight:700; font-size:.86rem; padding:10px 20px; border-radius:999px; border:1px solid transparent; transition:transform .2s ease, filter .2s ease}
.pill:hover{transform:translateY(-1px); filter:brightness(1.04)}
.pill-lg{font-size:1rem; padding:15px 28px}
:focus-visible{outline:2px solid var(--mint); outline-offset:3px; border-radius:4px}

/* ── hero (título con mundo de fondo + anillos por encima) ── */
.hero{position:relative; min-height:100vh; overflow:hidden; display:flex; flex-direction:column; align-items:center; justify-content:center; text-align:center; padding:14vh 24px 12vh}
.hero-text{position:relative; z-index:2; max-width:940px}
.hero-text .sub, .hero-text .cta-row{opacity:0; animation:heroIn .9s cubic-bezier(.16,1,.3,1) forwards}
.hero-text .sub{animation-delay:.62s}
.hero-text .cta-row{animation-delay:.74s}
@keyframes heroIn{from{opacity:0; transform:translateY(18px)}to{opacity:1; transform:none}}
/* text effect: revelado por palabra con blur (no toca font, color ni subrayado) */
.head .w{display:inline; opacity:0; filter:blur(12px); animation:wordIn .55s cubic-bezier(.2,.6,.2,1) forwards; animation-delay:calc(var(--i,0)*.055s)}
@keyframes wordIn{to{opacity:1; filter:blur(0)}}
h1.head{font-family:var(--display); font-weight:700; letter-spacing:-.025em; line-height:1.02; font-size:clamp(2.5rem,5.6vw,4.8rem); margin:0; text-wrap:balance}
.hl{
  background:linear-gradient(transparent 58%, var(--mint) 58%, var(--mint) 94%, transparent 94%);
  -webkit-box-decoration-break:clone; box-decoration-break:clone; padding:0 .06em;
}
.sub{margin:34px auto 0; max-width:66ch; font-size:clamp(1rem,1.35vw,1.14rem); line-height:1.62; color:var(--ink-2); font-weight:500}
/* velo suave detrás del bloque de texto: los chips que orbitan no compiten con las palabras */
.hero-text::before{
  content:""; position:absolute; inset:-14% -16%; z-index:-1; pointer-events:none;
  background:radial-gradient(58% 52% at 50% 50%, var(--paper) 42%, color-mix(in srgb,var(--paper) 72%,transparent) 66%, transparent 82%);
}
.cta-row{margin-top:36px; display:flex; flex-direction:column; align-items:center; gap:14px}
.cta-note{font-size:.82rem; color:var(--muted)}

/* mundo de fondo (detrás del título) */
#sphere{position:absolute; top:42%; left:50%; transform:translate(-50%,-50%); width:min(480px,82vw); height:min(480px,82vw); z-index:0}
/* anillos con logos (detrás del título, para no tapar las palabras) */
.orbits{position:absolute; top:42%; left:50%; transform:translate(-50%,-50%); width:min(1000px,104vw); aspect-ratio:1; z-index:1; pointer-events:none}
.ring{position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); border:1px solid var(--line); border-radius:50%}
.ring.accent{border-color:color-mix(in srgb,var(--mint) 70%,var(--line))}
.arm{position:absolute; top:0; left:50%; height:50%; width:48px; margin-left:-24px; transform-origin:bottom center; display:flex; flex-direction:column; align-items:center}
.chip{width:48px; height:48px; margin-top:-24px; border-radius:50%; border:1px solid rgba(20,20,15,.10); background:#fff; display:grid; place-items:center; box-shadow:0 8px 22px rgba(20,20,15,.12)}
.chip img{width:25px; height:25px; display:block}
@keyframes orbit-cw{from{transform:rotate(var(--start-angle))}to{transform:rotate(calc(var(--start-angle) + 360deg))}}
@keyframes orbit-ccw{from{transform:rotate(var(--start-angle))}to{transform:rotate(calc(var(--start-angle) - 360deg))}}
@keyframes counter-cw{from{transform:rotate(var(--counter-offset,0deg))}to{transform:rotate(calc(var(--counter-offset,0deg) - 360deg))}}
@keyframes counter-ccw{from{transform:rotate(var(--counter-offset,0deg))}to{transform:rotate(calc(var(--counter-offset,0deg) + 360deg))}}

/* marquee */
.marq{border-top:1px solid var(--line); border-bottom:1px solid var(--line); overflow:hidden; padding:16px 0; background:var(--panel); position:relative; z-index:4}
.marq-track{display:flex; gap:0; white-space:nowrap; width:max-content; animation:scrollx 26s linear infinite}
.marq-track span{font-size:1.05rem; font-weight:700; text-transform:uppercase; letter-spacing:-.01em; padding:0 26px; color:var(--ink)}
.marq-track span b{color:var(--mint)}
@keyframes scrollx{to{transform:translateX(-50%)}}

/* sections */
section{padding:120px 0; border-top:1px solid var(--line)}
.hero, #agenda{border-top:0}
.eyerow{display:flex; align-items:baseline; gap:14px; margin-bottom:44px; flex-wrap:wrap}
.eyerow .num{font-family:var(--mono); font-size:.72rem; letter-spacing:.12em; color:var(--muted)}
.eyerow h2{font-family:var(--display); font-size:clamp(2rem,4.6vw,3.4rem); font-weight:600; letter-spacing:-.02em; line-height:1.02; margin:0; flex-basis:100%; text-wrap:balance}
.eyerow p{color:var(--ink-2); max-width:56ch; font-size:1.05rem}

/* galería (carrusel de las 4 piezas) */
.gal{margin-top:8px}
.galbar{display:flex; align-items:center; justify-content:space-between; gap:20px; padding-bottom:20px; border-bottom:1px solid var(--line); margin-bottom:34px}
.galnav{display:flex; gap:8px}
.gbtn{width:42px; height:42px; border-radius:50%; border:1px solid var(--line); background:transparent; color:var(--ink); display:grid; place-items:center; cursor:pointer; transition:background .25s ease, border-color .25s ease, opacity .25s ease}
.gbtn svg{width:19px; height:19px; fill:none; stroke:currentColor; stroke-width:1.8; stroke-linecap:round; stroke-linejoin:round}
.gbtn:hover:not(:disabled){background:var(--mint); border-color:var(--mint); color:var(--mint-ink)}
.gbtn:disabled{opacity:.3; cursor:default}

.galtrack{
  display:flex; gap:20px; overflow-x:auto; scroll-snap-type:x mandatory;
  padding:0 28px 4px; margin:0 auto;
  max-width:var(--maxw);
  scrollbar-width:none;
}
/* sangrado: las tarjetas siguen hacia el borde derecho de la pantalla.
   100% (no 100vw) para que la barra de scroll no genere desbordamiento lateral */
@media (min-width:1237px){ .galtrack{max-width:none; padding-left:calc((100% - var(--maxw))/2 + 28px)} }
.galtrack::-webkit-scrollbar{display:none}
.galtrack:focus-visible{outline:2px solid var(--mint); outline-offset:4px}

.gcard{
  position:relative; flex:0 0 auto; width:330px; height:430px; scroll-snap-align:start;
  border-radius:20px; overflow:hidden; background:var(--ink); isolation:isolate;
}
.gcard img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; object-position:center 34%; transition:transform .5s cubic-bezier(.16,1,.3,1)}
.gcard:hover img{transform:scale(1.05)}
.gshade{position:absolute; inset:0; background:linear-gradient(to bottom, rgba(22,21,15,0) 30%, rgba(22,21,15,.75) 62%, #16150f 92%)}
.gbody{position:absolute; inset:auto 0 0 0; padding:0 26px 28px; color:var(--paper)}
.gidx{font-family:var(--mono); font-size:.7rem; letter-spacing:.16em; color:var(--mint); display:block; margin-bottom:10px}
.gbody h3{font-family:var(--display); margin:0 0 10px; font-size:1.3rem; font-weight:600; letter-spacing:-.01em; line-height:1.15; text-wrap:balance}
.gbody p{margin:0; font-size:.94rem; line-height:1.5; color:rgba(239,238,230,.74)}
.gbody p b{color:var(--paper); font-weight:700}

.galdots{display:flex; justify-content:center; gap:8px; margin-top:30px}
.galdots button{width:8px; height:8px; padding:0; border:0; border-radius:50%; background:var(--line); cursor:pointer; transition:background .25s ease, width .25s ease}
.galdots button[aria-current="true"]{background:var(--mint); width:22px; border-radius:999px}

/* method */
.steps{display:grid; grid-template-columns:repeat(3,1fr); gap:0; border-top:1px solid var(--line)}
.step{padding:38px 26px 46px; border-left:1px solid var(--line)}
.step:first-child{border-left:0; padding-left:0}
.step .bignum{font-family:var(--display); font-weight:600; font-size:clamp(3.4rem,7vw,5.6rem); letter-spacing:-.03em; line-height:1; color:var(--ink)}
.step .bignum .dot{color:var(--mint)}
.step h3{font-family:var(--display); margin:22px 0 12px; font-size:1.4rem; font-weight:600; letter-spacing:-.01em}
.step p{color:var(--ink-2); font-size:1rem}
.step .obj{margin-top:22px; padding-top:16px; border-top:1px solid var(--line)}
.step .obj b{display:block; margin-top:6px; color:var(--ink); font-weight:700}

/* fit */
.fit{display:grid; grid-template-columns:1fr 1fr; gap:0; border-top:1px solid var(--line)}
.fitcol{padding:40px; border-left:1px solid var(--line)}
.fitcol:first-child{border-left:0; padding-left:0}
.fitcol h3{font-family:var(--display); display:flex; align-items:center; gap:12px; margin:0 0 26px; font-size:1.2rem; font-weight:600; letter-spacing:-.01em}
.fitcol ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:18px}
.fitcol li{display:flex; gap:14px; font-size:1rem; color:var(--ink-2); align-items:flex-start}
.fitcol li b{color:var(--ink); font-weight:700}
.mk{flex:0 0 auto; width:24px; height:24px; border-radius:50%; display:grid; place-items:center; font-size:.82rem; font-weight:900; margin-top:1px}
.mk.y{background:var(--mint); color:var(--mint-ink)}
.mk.n{background:transparent; border:1.5px solid var(--line); color:var(--muted)}

/* guarantee band */
.guar{background:var(--ink); color:var(--paper); border-radius:26px; padding:72px 60px; position:relative; overflow:hidden; text-align:center}
.guar .mono{color:var(--mint)}
.guar p{font-family:var(--display); margin:20px auto 0; font-size:clamp(1.5rem,3.4vw,2.4rem); font-weight:600; letter-spacing:-.01em; line-height:1.08; max-width:24ch; text-wrap:balance}
.guar .glow{position:absolute; right:-90px; bottom:-90px; width:320px; height:320px; border-radius:50%; background:radial-gradient(circle, color-mix(in srgb,var(--mint) 60%,transparent), transparent 70%); filter:blur(10px); opacity:.55}

/* faq */
details{border-bottom:1px solid var(--line)}
summary{font-family:var(--display); list-style:none; cursor:pointer; padding:26px 0; display:flex; justify-content:space-between; gap:24px; align-items:center; font-weight:600; font-size:1.25rem; letter-spacing:-.01em}
summary::-webkit-details-marker{display:none}
summary .pm{flex:0 0 auto; width:30px; height:30px; border:1px solid var(--line); border-radius:50%; display:grid; place-items:center; color:var(--muted); transition:transform .3s ease, background .3s ease, color .3s ease}
details[open] summary .pm{transform:rotate(135deg); background:var(--mint); color:var(--mint-ink); border-color:var(--mint)}
details .ans{padding:0 0 26px; color:var(--ink-2); max-width:64ch; font-size:1.02rem}

/* final */
.final{padding:150px 0; text-align:center}
.final .ast{width:34px;height:34px;color:var(--mint); margin-bottom:20px}
.final h2{font-family:var(--display); font-size:clamp(2.4rem,6vw,4.6rem); font-weight:600; letter-spacing:-.02em; line-height:1; margin:0 0 22px; text-wrap:balance}
.final p{color:var(--ink-2); max-width:42ch; margin:0 auto 34px; font-size:1.1rem}

footer{border-top:1px solid var(--line); padding:44px 0}
.foot{display:flex; justify-content:space-between; gap:22px; flex-wrap:wrap; align-items:center; color:var(--muted); font-size:.86rem}
.foot .brand{color:var(--ink); font-size:1rem}
.foot .brand .ast{width:15px;height:15px;color:var(--ink)}
.foot a{margin-left:20px; color:var(--muted)}
.foot a:hover{color:var(--ink)}

/* fondos alternados por sección */
.sec-white{background:#fff}
.sec-dark{background:var(--ink); color:var(--paper); border-top-color:rgba(239,238,230,.14)}
.sec-dark .eyerow h2{color:var(--paper)}
.sec-dark .eyerow .num{color:var(--mint)}
.sec-dark .eyerow p{color:rgba(239,238,230,.72)}
.sec-dark .steps{border-top-color:rgba(239,238,230,.18)}
.sec-dark .step{border-left-color:rgba(239,238,230,.18); border-top-color:rgba(239,238,230,.18)}
.sec-dark .step .bignum{color:var(--paper)}
.sec-dark .step .bignum .dot{color:var(--mint)}
.sec-dark .step h3{color:var(--paper)}
.sec-dark .step p{color:rgba(239,238,230,.72)}
.sec-dark .step .obj{border-top-color:rgba(239,238,230,.18)}
.sec-dark .step .obj .mono{color:var(--mint)}
.sec-dark .step .obj b{color:var(--paper)}

/* reveal */
.rv{opacity:0; transform:translateY(26px); transition:opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1)}
.rv.in{opacity:1; transform:none}
.rv.d1{transition-delay:.06s}.rv.d2{transition-delay:.12s}.rv.d3{transition-delay:.18s}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important}
  .rv{opacity:1; transform:none; transition:none}
  .hero-text > *, .head .w{opacity:1 !important; filter:none !important}
  html{scroll-behavior:auto}
}
@media (max-width:900px){
  /* la órbita se queda centrada detrás del título, como en escritorio.
     Empujarla hacia abajo la partía a la mitad contra el borde del hero. */
  .hero{min-height:100svh; padding:13vh 22px 9vh; justify-content:center}
  .orbits{top:44%; transform:translate(-50%,-50%); width:min(640px,132vw)}
  #sphere{top:44%; width:min(300px,66vw); height:min(300px,66vw)}
  .arm{width:38px; margin-left:-19px}
  .chip{width:38px; height:38px; margin-top:-19px; box-shadow:0 6px 16px rgba(20,20,15,.14)}
  .chip img{width:20px; height:20px}
  /* velo más translúcido: el texto se lee pero la órbita sigue viéndose por detrás */
  .hero-text::before{inset:-10% -18%; background:radial-gradient(62% 50% at 50% 46%, color-mix(in srgb,var(--paper) 92%,transparent) 34%, color-mix(in srgb,var(--paper) 66%,transparent) 64%, transparent 86%)}
  h1.head{font-size:clamp(2.1rem,8.4vw,3rem)}
  .sub{max-width:44ch; margin-top:24px}
  /* header compacto: nada de marca ni botón partidos en dos líneas */
  .bar{height:62px; gap:10px}
  .brand{font-size:1rem; white-space:nowrap}
  .brand .mark{width:26px}
  .toggle{display:none}
  .pill{font-size:.82rem; padding:9px 15px; white-space:nowrap}
  nav.mid{display:none}
  section{padding:88px 0}
  .steps{grid-template-columns:1fr}
  .step{border-left:0; border-top:1px solid var(--line); padding:32px 0}
  .step:first-child{border-top:0}
  .fit{grid-template-columns:1fr}
  .fitcol{border-left:0; padding:32px 0; border-top:1px solid var(--line)}
  .fitcol:first-child{border-top:0}
  .galtrack{padding:0 22px 4px; gap:14px}
  .gcard{width:80vw; max-width:320px; height:400px}
  .galbar{padding-bottom:16px; margin-bottom:26px}
  .guar{padding:38px}
}