:root {
  --paper: #FAFAFA;
  --ink: #1A1D21;
  --ink-soft: #3B3F45;
  --cyan: #00B2E7;
  --cyan-deep: #0079A3;   /* cian profundo oscurecido para texto sobre claro (contraste AA) */
  --cyan-soft: #D9F2FB;
  --gray: #949597;
  --rule: #DADBDD;
  --display: "Sora", system-ui, sans-serif;
  --body: "Manrope", system-ui, sans-serif;
  --wrap: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--display); font-weight: 600; line-height: 1.15; margin: 0; letter-spacing: -0.015em; }
p { margin: 0; }
a { color: var(--cyan-deep); }
a:focus-visible, .btn:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 52px; padding: 0 26px;
  background: var(--ink); color: #fff;
  font-family: var(--body); font-weight: 700; font-size: 16px;
  text-decoration: none; border-radius: 999px; border: 2px solid var(--ink);
  transition: background-color .15s ease, color .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--cyan-deep); border-color: var(--cyan-deep); }
.btn-small { min-height: 42px; padding: 0 18px; font-size: 14px; }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn-light { background: var(--cyan); border-color: var(--cyan); color: var(--ink); }
.btn-light:hover { background: #fff; border-color: #fff; color: var(--ink); }
.btn-ghost-light { background: transparent; color: #fff; border-color: rgba(255,255,255,.6); }
.btn-ghost-light:hover { background: #fff; color: var(--ink); border-color: #fff; }

/* Encabezado */
.top { position: sticky; top: 0; z-index: 10; background: rgba(250,250,250,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--rule); }
.top-in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand img { width: 120px; }

/* Hero: texto a la izquierda, isotipo completo de la marca a la derecha */
.hero { padding: 80px 0 96px; }
.hero-in { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: 48px; align-items: center; }
.hero-iso { width: auto; height: auto; max-height: 520px; max-width: 100%; justify-self: center; animation: iso-in .9s cubic-bezier(.2,.7,.2,1) both; }
@keyframes iso-in { from { transform: translateY(-24px); opacity: 0; } to { transform: none; opacity: 1; } }
.hero-kicker { font-family: var(--display); font-weight: 600; color: var(--cyan-deep); font-size: 17px; margin-bottom: 18px; }
.hero h1 { font-size: clamp(40px, 5.2vw, 66px); }
.lead { margin-top: 26px; font-size: 20px; color: var(--ink-soft); max-width: 36ch; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.fine { margin-top: 16px; font-size: 15px; color: var(--ink-soft); }

/* Secciones */
section h2 { font-size: clamp(28px, 3.4vw, 40px); }
.sec-intro { margin-top: 12px; color: var(--ink-soft); max-width: 52ch; }

/* Libro mayor: lo que proteges contra la línea */
.ledger-sec { padding: 96px 0; background: #fff; border-top: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.ledger { margin-top: 44px; }
.ledger-head, .ledger-row { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; }
.ledger-head { padding-bottom: 12px; border-bottom: 2px solid var(--ink); font-size: 14px; font-weight: 700; color: var(--ink-soft); }
.ledger-row { padding: 26px 0; border-bottom: 1px solid var(--rule); align-items: baseline; }
.asset { font-family: var(--display); font-size: 21px; line-height: 1.3; font-weight: 400; }
.line { color: var(--ink-soft); }
.line strong { display: block; color: var(--ink); font-weight: 700; margin-bottom: 2px; }

/* Pasos (secuencia real) */
.steps-sec { padding: 96px 0; }
.steps { list-style: none; padding: 0; margin: 44px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; counter-reset: paso; }
.steps li { counter-increment: paso; border-top: 2px solid var(--cyan); padding-top: 20px; }
.steps li::before { content: counter(paso); display: block; font-family: var(--display); font-weight: 600; font-size: 40px; line-height: 1; color: var(--cyan-deep); margin-bottom: 14px; }
.steps h3 { font-size: 20px; margin-bottom: 8px; }
.steps p { color: var(--ink-soft); }

/* Quién */
.who { padding: 0 0 96px; }
.who-in { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; border-top: 1px solid var(--rule); padding-top: 56px; }
.who-name { font-weight: 700; margin-bottom: 8px; }
.who-text p:last-child { color: var(--ink-soft); max-width: 58ch; }

/* Cierre */
.close { background: var(--ink); color: #fff; padding: 88px 0; }
.close h2 { max-width: 20ch; }

/* Pie */
.foot { background: var(--ink); color: #B9BBBE; border-top: 1px solid #2E3238; padding: 40px 0 48px; font-size: 14px; line-height: 1.55; }
.foot-in { display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: start; }
.foot-logo { width: 96px; opacity: .9; margin-top: 4px; }
.foot-legal p + p { margin-top: 6px; }
.foot-links { display: flex; flex-direction: column; gap: 6px; }
.foot-links a { color: #fff; text-decoration: none; }
.foot-links a:hover { text-decoration: underline; }

/* Páginas legales */
.legal { padding: 64px 0 96px; }
.legal .wrap { max-width: 780px; }
.legal h1 { font-size: clamp(32px, 4.4vw, 46px); }
.legal .updated { margin-top: 12px; color: var(--ink-soft); font-size: 15px; }
.legal h2 { font-size: 22px; margin: 44px 0 12px; }
.legal h3 { font-size: 18px; margin: 24px 0 8px; }
.legal p, .legal li { color: var(--ink-soft); }
.legal p + p { margin-top: 12px; }
.legal ul { padding-left: 22px; margin: 10px 0; }
.legal li + li { margin-top: 6px; }
.legal dl { display: grid; grid-template-columns: 220px 1fr; gap: 8px 20px; margin: 16px 0; padding: 20px; background: #fff; border: 1px solid var(--rule); border-radius: 8px; }
.legal dt { font-weight: 700; color: var(--ink); }
.legal dd { margin: 0; color: var(--ink-soft); }
.back { display: inline-block; margin-bottom: 28px; font-weight: 600; }

/* Móvil */
@media (max-width: 860px) {
  .hero { padding: 40px 0 72px; }
  .hero-in { grid-template-columns: 1fr; gap: 0; }
  .hero-iso { order: -1; width: 58px; max-height: none; justify-self: start; margin-bottom: 24px; }
  .lead { font-size: 18px; }
  .ctas .btn { width: 100%; }
  .ledger-head { display: none; }
  .ledger-row { grid-template-columns: 1fr; gap: 8px; padding: 22px 0; }
  .asset { font-size: 19px; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .who-in { grid-template-columns: 1fr; gap: 16px; padding-top: 40px; }
  .ledger-sec, .steps-sec { padding: 72px 0; }
  .who { padding-bottom: 72px; }
  .close { padding: 64px 0; }
  .foot-in { grid-template-columns: 1fr; gap: 20px; }
  .legal dl { grid-template-columns: 1fr; gap: 2px; }
  .legal dd { margin-bottom: 10px; }
}
@media (max-width: 380px) {
  .btn-small { padding: 0 14px; font-size: 13px; }
  .brand img { width: 100px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}