@font-face{
  font-family:'Inter';
  src:url('fonts/InterVariable.woff2') format('woff2');
  font-weight:100 900;
  font-style:normal;
  font-display:swap;
}

:root{
  --bg:#ffffff;
  --bg-alt:#f7f8f9;
  --ink:#0e1116;
  --muted:#5b6470;
  --border:#e7e9ec;
  --accent:#2456e6;
  --radius:16px;
  --max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  background:var(--bg);color:var(--ink);
  font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- nav ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.12em;font-size:14px}
.logo svg{flex:none}
.nav-links{display:flex;gap:28px;font-size:15px;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-right{display:flex;align-items:center;gap:16px}
.lang{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.06em}
.lang:hover{color:var(--ink)}
.btn{
  display:inline-block;padding:11px 22px;border-radius:999px;
  font-size:15px;font-weight:600;transition:all .18s ease;border:1px solid transparent;
}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#2a3340}
.btn-ghost{border-color:var(--border);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink)}
.nav .btn{padding:9px 18px}

/* ---------- hero ---------- */
.hero{padding:110px 0 90px;text-align:left}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--accent);margin-bottom:22px;
}
h1{
  font-size:clamp(38px,5.4vw,64px);line-height:1.06;font-weight:800;
  letter-spacing:-0.03em;max-width:15ch;
}
.hero p{max-width:52ch;color:var(--muted);font-size:19px;margin:26px 0 36px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- quiet stats ---------- */
.stats{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-alt)}
.stats .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding-top:36px;padding-bottom:36px}
.stat b{display:block;font-size:15px;font-weight:700}
.stat span{font-size:14px;color:var(--muted)}

/* ---------- sections ---------- */
section{padding:96px 0}
.sec-head{max-width:60ch;margin-bottom:56px}
.sec-head .eyebrow{margin-bottom:14px}
h2{font-size:clamp(28px,3.6vw,42px);line-height:1.12;font-weight:800;letter-spacing:-0.02em}
.sec-head p{color:var(--muted);margin-top:16px;font-size:18px}

/* ---------- services ---------- */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  border:1px solid var(--border);border-radius:var(--radius);
  padding:34px 32px;background:var(--bg);
  transition:border-color .18s ease, transform .18s ease;
}
.card:hover{border-color:#c6ccd4;transform:translateY(-2px)}
.card .num{font-size:14px;font-weight:700;color:var(--accent);letter-spacing:.08em}
.card h3{font-size:21px;font-weight:700;margin:14px 0 10px;letter-spacing:-0.01em}
.card p{color:var(--muted);font-size:16px}
.card ul{margin-top:16px;list-style:none}
.card li{
  font-size:15px;color:var(--muted);padding:7px 0 7px 22px;position:relative;
  border-top:1px solid var(--border);
}
.card li::before{content:"—";position:absolute;left:0;color:var(--accent)}

/* ---------- method ---------- */
#metodo{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{border:1px solid var(--border);border-radius:var(--radius);padding:30px 28px;background:var(--bg)}
.step .num{font-size:30px;font-weight:800;color:#d4d9df;letter-spacing:-0.02em}
.step h3{font-size:18px;font-weight:700;margin:16px 0 8px}
.step p{color:var(--muted);font-size:15px}

/* ---------- manifesto ---------- */
.manifesto{text-align:center}
.manifesto h2{max-width:22ch;margin:0 auto}
.manifesto p{max-width:58ch;margin:22px auto 0;color:var(--muted);font-size:18px}

/* ---------- faq ---------- */
#faq{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-list{max-width:760px}
details{border-bottom:1px solid var(--border)}
details:first-of-type{border-top:1px solid var(--border)}
summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
  padding:22px 4px;font-weight:600;font-size:17px;gap:16px;
}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:22px;font-weight:400;color:var(--muted);flex:none;transition:transform .18s ease}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 4px 22px;color:var(--muted);font-size:16px;max-width:62ch}

/* ---------- contact ---------- */
#contacto .inner{
  border:1px solid var(--border);border-radius:24px;padding:72px 40px;text-align:center;
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg-alt) 100%);
}
#contacto h2{max-width:20ch;margin:0 auto}
#contacto p{color:var(--muted);max-width:48ch;margin:18px auto 32px;font-size:18px}

/* ---------- footer ---------- */
footer{padding:44px 0;border-top:1px solid var(--border)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:14px;color:var(--muted)}
.foot a:hover{color:var(--ink)}
.foot-links{display:flex;gap:20px;flex-wrap:wrap}

/* ---------- legal / prose pages ---------- */
.page{padding:72px 0 96px}
.page .wrap{max-width:800px}
.page h1{font-size:clamp(30px,4vw,44px);max-width:none;margin-bottom:10px}
.page .updated{color:var(--muted);font-size:14px;margin-bottom:44px;display:block}
.prose h2{font-size:22px;margin:40px 0 12px;letter-spacing:-0.01em}
.prose p{color:#39424e;margin:0 0 14px;max-width:70ch}
.prose ul{margin:0 0 14px 22px;color:#39424e;max-width:70ch}
.prose li{margin-bottom:6px}
.prose a{color:var(--accent)}
.prose a:hover{text-decoration:underline}
mark{background:#fff2c2;padding:1px 5px;border-radius:4px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

@media (max-width:820px){
  .nav-links{display:none}
  .cards,.steps,.stats .wrap{grid-template-columns:1fr}
  section{padding:72px 0}
  .hero{padding:80px 0 64px}
}