/* ============================================================
   Nicolás Acosta — sitio personal · base compartida
   Multi-página · toggle EN/ES · motor "vivo"
   ============================================================ */
:root{
  --bg:#0c0b0a;
  --ink:#f1ebdf;
  --ink-soft:#c7c0b2;
  --muted:#8b857a;
  --line:rgba(241,235,223,0.12);
  --line-soft:rgba(241,235,223,0.06);
  --accent:#c9933f;
  --accent-soft:#e2b770;
  --serif:'Fraunces',Georgia,serif;
  --sans:'Inter',system-ui,-apple-system,sans-serif;
  --maxw:1140px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink-soft);font-family:var(--sans);font-size:17px;line-height:1.72;-webkit-font-smoothing:antialiased;overflow-x:hidden;position:relative}
::selection{background:var(--accent);color:#0c0b0a}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:#352f25;border-radius:20px;border:2px solid var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%}

/* ---- language toggle visibility ---- */
html.lang-en .t-es{display:none}
html.lang-es .t-en{display:none}

/* ---- living background ---- */
#field{position:fixed;inset:0;z-index:0;pointer-events:none}
#glow{position:fixed;width:680px;height:680px;border-radius:50%;z-index:0;pointer-events:none;
  background:radial-gradient(circle,rgba(201,147,63,0.10),rgba(201,147,63,0.04) 38%,transparent 66%);
  transform:translate(-50%,-50%);left:50%;top:30%;transition:opacity .6s;will-change:transform}
.veil{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(120% 80% at 50% -10%,rgba(201,147,63,0.05),transparent 55%)}
.content{position:relative;z-index:2}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 38px}
h1,h2,h3{font-family:var(--serif);font-weight:500;color:var(--ink);line-height:1.08;letter-spacing:-0.5px}
em{font-style:italic}

/* ---- nav ---- */
nav{position:fixed;top:0;left:0;width:100%;z-index:50;transition:all .4s ease;padding:24px 0}
nav.scrolled{background:rgba(12,11,10,.72);backdrop-filter:blur(16px);padding:14px 0;border-bottom:1px solid var(--line-soft)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{font-family:var(--serif);font-size:21px;font-weight:500;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;gap:30px;align-items:center}
.nav-links a{font-size:14.5px;color:var(--ink-soft);transition:color .25s;position:relative}
.nav-links a:hover{color:var(--ink)}
.nav-links a.active{color:var(--ink)}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:1px;background:var(--accent)}
.nav-cta{color:var(--accent-soft);border-bottom:1px solid var(--accent);padding-bottom:3px}
.nav-cta:hover{color:var(--accent)}
.langtog{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;letter-spacing:1px;color:var(--muted);border:1px solid var(--line);border-radius:30px;padding:6px 12px;cursor:pointer;background:none;font-family:var(--sans);transition:border-color .25s,color .25s}
.langtog:hover{border-color:var(--accent);color:var(--ink)}
.langtog b{color:var(--accent-soft);font-weight:500}
.burger{display:none;font-size:25px;background:none;border:none;color:var(--ink);cursor:pointer}

/* ---- generic blocks ---- */
.block{padding:140px 0;position:relative}
.label{font-size:14px;color:var(--accent-soft);font-family:var(--serif);font-style:italic;margin-bottom:40px;display:block}
.eyebrow{font-size:15px;color:var(--accent-soft);font-family:var(--serif);font-style:italic;margin-bottom:22px}

/* ---- buttons ---- */
.btn{background:var(--accent);color:#0c0b0a;padding:16px 30px;border-radius:3px;font-weight:500;font-size:15.5px;display:inline-flex;align-items:center;gap:10px;transition:all .3s;border:none;cursor:pointer;font-family:var(--sans)}
.btn:hover{background:var(--accent-soft);transform:translateY(-2px)}
.ghost{color:var(--ink-soft);font-size:15px;display:inline-flex;gap:8px;transition:color .25s;cursor:pointer}
.ghost:hover{color:var(--ink)}
.ghost span{transition:transform .25s;display:inline-block}
.ghost:hover span{transform:translateX(4px)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(40px);filter:blur(6px);transition:opacity 1.1s cubic-bezier(.16,.8,.2,1),transform 1.1s cubic-bezier(.16,.8,.2,1),filter 1.1s ease}
.reveal.in{opacity:1;transform:none;filter:none}

/* ---- footer ---- */
footer{border-top:1px solid var(--line-soft);padding:50px 0 40px;position:relative;z-index:2}
.foot{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap}
.foot .b{font-family:var(--serif);font-size:19px;color:var(--ink)}
.foot .b span{color:var(--muted);font-family:var(--sans);font-size:14px;display:block;margin-top:5px}
.foot-links{display:flex;gap:28px;font-size:14.5px}
.foot-links a{transition:color .25s}
.foot-links a:hover{color:var(--accent-soft)}
.copy{margin-top:34px;font-size:13px;color:var(--muted);border-top:1px solid var(--line-soft);padding-top:24px}

/* ---- embed lightbox ---- */
.lb{position:fixed;inset:0;z-index:200;display:none;background:rgba(7,6,5,.82);backdrop-filter:blur(8px)}
.lb.open{display:flex;flex-direction:column}
.lb-bar{display:flex;align-items:center;gap:16px;padding:14px 22px;border-bottom:1px solid var(--line);background:rgba(12,11,10,.9)}
.lb-title{font-family:var(--serif);color:var(--ink);font-size:16px;margin-right:auto}
.lb-title small{display:block;font-family:var(--sans);font-size:12px;color:var(--muted);margin-top:2px;letter-spacing:.3px}
.lb-bar a,.lb-close{font-size:13px;color:var(--ink-soft);border:1px solid var(--line);border-radius:30px;padding:7px 14px;cursor:pointer;background:none;transition:border-color .25s,color .25s;font-family:var(--sans)}
.lb-bar a:hover,.lb-close:hover{border-color:var(--accent);color:var(--ink)}
.lb-frame{flex:1;width:100%;border:none;background:#fff}

/* ---- responsive base ---- */
@media(max-width:900px){
  .nav-links{display:none}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;right:24px;background:rgba(12,11,10,.97);padding:22px 28px;gap:18px;border:1px solid rgba(241,235,223,0.12);border-radius:6px}
  .burger{display:block}
  #glow{width:440px;height:440px}
}
@media(max-width:560px){
  .wrap{padding:0 24px}.block{padding:90px 0}
}
@media(prefers-reduced-motion:reduce){
  .reveal{transition:none;opacity:1;transform:none;filter:none}
}