/* ==========================================================
   Field · chrome común de las tres páginas
   Escala calibrada contra la referencia: nav en píldora,
   titular serif grande, un solo botón, mucho aire.
   ========================================================== */

:root{
  --paper:#EAE8E2;--card:#F5F3EF;--white:#fff;
  --ink:#16191A;--ink-soft:#5B615F;--line:#DCD8CF;
  --deep:#12312A;--deep-2:#0C241F;--signal:#2FD27F;--alert:#C8553D;--warn:#C58B2C;
  --sans:'Satoshi','Plus Jakarta Sans',system-ui,-apple-system,sans-serif;
  --mono:'DM Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --r-xl:40px;--r-lg:30px;--r-sm:12px;--max:1320px;
  --e:cubic-bezier(.19,1,.22,1);
  --nav-h:80px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img,video,canvas,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}

.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(20px,4vw,64px)}
.micro{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft)}

/* ---------- tipografía ---------- */
.display{font-family:var(--serif);font-weight:400;letter-spacing:-.018em;line-height:1.03;text-wrap:balance}
h1.display{font-size:clamp(2.9rem,6.1vw,4.9rem)}
h2.display{font-size:clamp(2.1rem,4.1vw,3.4rem)}
h3{font-size:clamp(1.05rem,1.5vw,1.25rem);font-weight:500;letter-spacing:-.022em;line-height:1.15}
.lede{font-size:clamp(1rem,1.15vw,1.12rem);line-height:1.55;color:var(--ink-soft);max-width:46ch}

/* ---------- botones (píldora, altura 46, mayúscula corta) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:46px;padding:0 26px;
  border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.075em;text-transform:uppercase;
  white-space:nowrap;transition:transform .5s var(--e),background .35s,color .35s,border-color .35s}
.btn:hover{transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-paper{background:var(--paper);color:var(--ink)}
.btn-white{background:#fff;color:var(--ink)}
.btn-dark{background:#141C1A;color:#EAE8E2}
.btn-line{border:1px solid rgba(234,232,226,.4);color:var(--paper)}
.btn-line:hover{border-color:var(--paper)}
.btn.sm{height:40px;padding:0 20px;font-size:11.5px}

/* ---------- nav ---------- */
.nav{position:fixed;inset:0 0 auto;z-index:120;height:var(--nav-h);display:flex;align-items:center;
  transition:background .5s var(--e),backdrop-filter .5s,box-shadow .5s}
.nav .nav-in{max-width:var(--max);margin:0 auto;width:100%;padding:0 clamp(20px,4vw,64px);
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px}

.wm{display:inline-flex;align-items:center;gap:11px;font-size:28px;font-weight:700;letter-spacing:-.045em;width:fit-content}
.wm svg{width:25px;height:25px;flex:none}

.nav-mid{justify-self:center;display:flex;align-items:center;gap:4px;
  padding:5px;border-radius:999px;background:rgba(255,255,255,.14);backdrop-filter:blur(14px) saturate(160%)}
.nav-mid a{padding:8px 18px;border-radius:999px;font-size:14.5px;line-height:1;opacity:.78;transition:opacity .3s,background .35s}
.nav-mid a:hover{opacity:1}
.nav-mid a.on{opacity:1;background:rgba(255,255,255,.9);color:var(--ink);font-weight:500}

.nav-end{justify-self:end;display:flex;align-items:center;gap:9px}

/* nav sobre fondo oscuro (por defecto) */
.nav{color:var(--paper)}
.nav .nav-mid a.on{color:var(--ink)}
/* nav pegado sobre papel */
.nav.stuck{background:rgba(234,232,226,.82);backdrop-filter:saturate(180%) blur(20px);box-shadow:0 1px 0 rgba(22,25,26,.08);color:var(--ink)}
.nav.stuck .nav-mid{background:rgba(22,25,26,.06)}
.nav.stuck .nav-mid a.on{background:var(--ink);color:var(--paper)}
.nav.stuck .btn-white{background:var(--ink);color:var(--paper)}
.nav.stuck .btn-dark{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1px rgba(22,25,26,.2)}
/* nav pegado sobre verde profundo */
.nav.deep{background:rgba(12,36,31,.85);backdrop-filter:saturate(180%) blur(20px);color:var(--paper);box-shadow:none}
.nav.deep .nav-mid{background:rgba(255,255,255,.1)}
.nav.deep .nav-mid a.on{background:rgba(255,255,255,.92);color:var(--ink)}
.nav.deep .btn-white{background:#fff;color:var(--ink)}
.nav.deep .btn-dark{background:rgba(255,255,255,.12);color:var(--paper)}

/* ---------- encabezado de página interna ---------- */
.phead{padding:calc(var(--nav-h) + clamp(58px,7vw,104px)) 0 clamp(34px,4vw,56px)}
.phead .eyebrow{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.phead .eyebrow:before{content:"";width:26px;height:1px;background:currentColor;opacity:.45}
.phead h1{max-width:17ch}
.phead .lede{margin-top:22px}

/* ---------- tarjeta de medio, radio 30 como la referencia ---------- */
.media{border-radius:var(--r-lg);overflow:hidden;background:#0F1513;position:relative}
.media video,.media img{width:100%;height:100%;object-fit:cover;display:block}

/* ---------- pie ---------- */
.foot-shell{background:var(--deep-2);color:var(--paper)}
.foot{padding:0 0 clamp(24px,3vw,40px)}
.foot-cols{display:grid;grid-template-columns:1fr 1fr 1fr 1.6fr;gap:clamp(24px,4vw,56px);padding:clamp(48px,5vw,72px) 0 clamp(36px,4vw,52px)}
.foot-col{display:flex;flex-direction:column;gap:11px}
.foot-col .micro{color:rgba(234,232,226,.5);margin-bottom:6px}
.foot-col a,.foot-col span{font-size:14.5px;color:rgba(234,232,226,.78);transition:color .3s,transform .4s var(--e);width:fit-content}
.foot-col a:hover{color:var(--paper);transform:translateX(3px)}
.foot-col.wide p{font-size:14px;line-height:1.65;color:rgba(234,232,226,.62);max-width:46ch}
.foot-word{font-size:clamp(4.6rem,20.5vw,17rem);font-weight:700;letter-spacing:-.065em;line-height:.78;color:transparent;
  -webkit-text-stroke:1px rgba(234,232,226,.24);margin:clamp(10px,2vw,26px) 0 clamp(18px,2.4vw,30px);user-select:none;
  transition:-webkit-text-stroke-color .8s var(--e),color .8s var(--e)}
.foot-word:hover{color:rgba(234,232,226,.05);-webkit-text-stroke-color:rgba(234,232,226,.44)}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:22px;border-top:1px solid rgba(234,232,226,.13);
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:rgba(234,232,226,.42)}

/* ---------- revelados ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity 1s var(--e),transform 1s var(--e)}
.rv.in{opacity:1;transform:none}
.sq>*{opacity:0;transform:translateY(16px);transition:opacity .9s var(--e),transform .9s var(--e)}
.sq.in>*{opacity:1;transform:none}
.sq.in>*:nth-child(1){transition-delay:.04s}.sq.in>*:nth-child(2){transition-delay:.11s}
.sq.in>*:nth-child(3){transition-delay:.18s}.sq.in>*:nth-child(4){transition-delay:.25s}

@media (max-width:900px){
  :root{--nav-h:66px}
  .nav .nav-in{grid-template-columns:auto 1fr auto;gap:12px}
  .nav-mid{justify-self:center;gap:0;padding:4px}
  .nav-mid a{padding:7px 12px;font-size:13px}
  .nav-end .btn-dark{display:none}
  .wm{font-size:24px}
  .wm svg{width:23px;height:23px}
  .wm span{display:none}
  .foot-cols{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  /* en una sola columna el pie medía cuatro pantallas de listas cortas. Las
     tres de enlaces caben de a dos; la de texto se queda ancha. */
  .foot-cols{grid-template-columns:1fr 1fr;gap:30px clamp(20px,5vw,32px)}
  .foot-col.wide{grid-column:1/-1}
  .nav-mid a{padding:6px 10px;font-size:12.4px}
  .btn{height:42px;padding:0 18px;font-size:11.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .rv,.sq>*{opacity:1;transform:none}
}