/* ADCC LLC — hoja de estilo única.
   Paleta: océano profundo. Fondo casi negro verdoso, acento teal de marca,
   arena para los detalles. Sobria a propósito: la mira un banco. */

:root{
  --ground:#04100E;
  --surface:#081916;
  --surface-2:#0C211D;
  --line:#1A2F2A;
  --ink:#EAF0ED;
  --ink-2:#93A8A2;
  --ink-3:#5F7872;
  --brand:#4FB3AE;
  --brand-deep:#2F8F8A;
  --sand:#D9C9A8;
  --shell:1080px;
}

*{box-sizing:border-box;margin:0;padding:0}

html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto} }

body{
  background:var(--ground);
  color:var(--ink);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  position:relative;
  overflow-x:hidden;
}

/* Marea: dos halos muy tenues. Da profundidad sin usar imágenes. */
.tide{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(79,179,174,.13), transparent 64%),
    radial-gradient(760px 480px at 92% 8%, rgba(47,143,138,.085), transparent 62%);
}
body > *:not(.tide){position:relative; z-index:1}

.shell{max-width:var(--shell);margin:0 auto;padding:0 24px}
@media(max-width:640px){ .shell{padding:0 20px} }

/* ---------- cabecera ---------- */
header.site{border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.bar{display:flex;align-items:center;justify-content:space-between;height:74px}
.logo{
  font-size:19px;font-weight:700;letter-spacing:-.02em;color:var(--ink);
  text-decoration:none;display:inline-flex;gap:7px;align-items:baseline;
}
.logo span{color:var(--brand);font-weight:500;font-size:15px;letter-spacing:.04em}

/* ---------- botones ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;
  text-decoration:none;transition:background-color .18s,border-color .18s,color .18s;
}
.btn.solid{background:var(--brand);color:#06201E}
.btn.solid:hover{background:#63c4bf}
.btn.ghost{border:1px solid var(--line);color:var(--ink-2)}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--brand);outline-offset:3px}

/* ---------- hero ---------- */
.hero{padding:104px 0 96px}
@media(max-width:640px){ .hero{padding:68px 0 60px} }

.eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;
  color:var(--brand);margin-bottom:22px;
}
h1{
  font-size:clamp(34px,5.6vw,62px);
  line-height:1.08;letter-spacing:-.028em;font-weight:650;
  text-wrap:balance;max-width:19ch;
}
@media(min-width:900px){ h1{max-width:none} }
.br{display:none}
@media(min-width:900px){ .br{display:inline} }

.lead{
  margin-top:26px;max-width:62ch;font-size:18px;line-height:1.68;color:var(--ink-2);
}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}

/* ---------- franja de servicios ---------- */
.band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--surface);padding:84px 0;
}
@media(max-width:640px){ .band{padding:58px 0} }

.label{
  font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--ink-3);
}

.grid{display:grid;gap:18px;margin-top:38px;grid-template-columns:repeat(3,1fr)}
@media(max-width:860px){ .grid{grid-template-columns:1fr} }

.card{
  background:var(--surface-2);border:1px solid var(--line);
  border-radius:14px;padding:30px 26px;
}
/* El número es un índice real de los tres servicios, no adorno. */
.num{
  display:block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-deep);margin-bottom:18px;font-variant-numeric:tabular-nums;
}
.card h3{font-size:19px;font-weight:650;letter-spacing:-.015em;margin-bottom:12px}
.card p{font-size:15.5px;line-height:1.62;color:var(--ink-2)}

/* ---------- dos columnas ---------- */
.split{padding:84px 0}
@media(max-width:640px){ .split{padding:58px 0} }
.cols{display:grid;gap:44px;grid-template-columns:1fr 1fr}
@media(max-width:860px){ .cols{grid-template-columns:1fr;gap:34px} }
.body{margin-top:18px;font-size:16.5px;line-height:1.7;color:var(--ink-2);max-width:52ch}

/* Título de sección: va bajo la etiqueta pequeña */
.section-title{
  margin-top:14px;font-size:clamp(25px,3.4vw,36px);
  letter-spacing:-.025em;font-weight:650;line-height:1.16;text-wrap:balance;
}
.body.wide{max-width:64ch}

/* ---------- los cuatro principios ---------- */
.principles{display:grid;gap:16px;margin-top:44px;grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){ .principles{grid-template-columns:repeat(2,1fr)} }
@media(max-width:560px){ .principles{grid-template-columns:1fr} }

.principle{
  border-top:2px solid var(--brand-deep);padding-top:22px;
}
/* La letra es la inicial real del principio: A-D-C-C deletrea el nombre. */
.letter{
  display:block;font-size:34px;line-height:1;font-weight:700;
  color:var(--brand);letter-spacing:-.03em;margin-bottom:14px;
}
.principle h3{font-size:17px;font-weight:650;letter-spacing:-.01em;margin-bottom:10px}
.principle p{font-size:15px;line-height:1.6;color:var(--ink-2)}

/* ---------- pasos del proceso ---------- */
.steps{list-style:none;margin-top:40px;display:grid;gap:2px}
.steps li{
  display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;
  background:var(--surface-2);border:1px solid var(--line);padding:26px 28px;
}
.steps li:first-child{border-radius:14px 14px 0 0}
.steps li:last-child{border-radius:0 0 14px 14px}
@media(max-width:560px){ .steps li{grid-template-columns:1fr;gap:12px;padding:22px} }

.step-n{
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;padding-top:4px;
}
.steps h3{font-size:18px;font-weight:650;letter-spacing:-.015em;margin-bottom:8px}
.steps p{font-size:15.5px;line-height:1.62;color:var(--ink-2);max-width:62ch}

/* ---------- encaje sí / no ---------- */
.list{list-style:none;margin-top:20px;display:grid;gap:13px}
.list li{
  position:relative;padding-left:28px;font-size:15.5px;line-height:1.6;color:var(--ink-2);
}
.list li::before{
  position:absolute;left:0;top:0;font-weight:700;font-size:15px;
}
.list.yes li::before{content:"+";color:var(--brand)}
.list.no li::before{content:"−";color:var(--ink-3)}

/* ---------- preguntas frecuentes ---------- */
.faq{margin-top:34px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 34px 20px 0;position:relative;
  font-size:16.5px;font-weight:600;letter-spacing:-.01em;color:var(--ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:4px;top:19px;
  font-size:20px;font-weight:400;color:var(--brand);transition:transform .2s;
}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{color:var(--brand)}
.faq summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.faq details p{
  padding:0 0 22px;font-size:15.5px;line-height:1.68;color:var(--ink-2);max-width:68ch;
}

/* ---------- cierre ---------- */
.cta{
  border-top:1px solid var(--line);background:var(--surface);
  padding:88px 0;
}
@media(max-width:640px){ .cta{padding:62px 0} }
.cta h2{font-size:clamp(28px,4vw,40px);letter-spacing:-.025em;font-weight:650}
.cta .lead{margin-top:16px}
.mail{
  display:inline-block;margin-top:30px;font-size:21px;font-weight:650;
  color:var(--brand);text-decoration:none;border-bottom:1px solid transparent;
  transition:border-color .18s;
}
.mail:hover{border-bottom-color:var(--brand)}
@media(max-width:640px){ .mail{font-size:17px;word-break:break-all} }

/* ---------- pie ---------- */
footer.site{border-top:1px solid var(--line);padding:52px 0 34px}
.foot{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between}
address{font-style:normal;font-size:15px;line-height:1.7;color:var(--ink-2)}
address strong{color:var(--ink);font-weight:650}
.foot nav{display:flex;flex-direction:column;gap:9px}
.foot nav a{font-size:15px;color:var(--ink-2);text-decoration:none}
.foot nav a:hover{color:var(--brand)}
.fine{margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.fine p{font-size:13px;color:var(--ink-3)}

/* ---------- página legal ---------- */
.doc{max-width:720px;padding-top:72px;padding-bottom:88px}
.doc h1{font-size:clamp(30px,4.4vw,42px);max-width:none}
.doc .stamp{margin-top:12px;font-size:14px;color:var(--ink-3)}
.doc section{margin-top:42px}
.doc h2{font-size:18px;font-weight:650;letter-spacing:-.015em;margin-bottom:12px}
.doc p{font-size:16px;line-height:1.72;color:var(--ink-2);margin-bottom:14px}
.doc p:last-child{margin-bottom:0}
.doc a{color:var(--brand);text-decoration:none}
.doc a:hover{text-decoration:underline;text-underline-offset:3px}
.doc strong{color:var(--ink);font-weight:600}