/* LitiApp — landing · "amanecer institucional" · mobile-first */
:root{
  --bg:#0a0e1a; --bg2:#0e1426; --panel:#121a30; --panel2:#16203a;
  --ink:#eaf0ff; --muted:#9fb0d0; --faint:#6b7 aa0; --faint:#6b7aa0;
  --line:rgba(255,255,255,.10); --line2:rgba(255,255,255,.18);
  --a1:#6366f1; --a2:#22d3ee; --a3:#c084fc; --amber:#f5b54a;
  --grad:linear-gradient(100deg,var(--a1),var(--a2),var(--a3));
  --radius:16px; --shadow:0 24px 60px -28px rgba(0,0,0,.7);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:"Manrope",system-ui,sans-serif;font-size:16px;line-height:1.65;overflow-x:hidden}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:"Sora",sans-serif;font-weight:700;line-height:1.1;letter-spacing:-.02em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
code{font-family:ui-monospace,monospace;font-size:.9em;color:var(--a2)}

/* fondo litiapp animado */
.litiapp-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.55;
  background:
    radial-gradient(48% 40% at 18% 8%,rgba(99,102,241,.45),transparent 60%),
    radial-gradient(42% 38% at 84% 14%,rgba(34,211,238,.32),transparent 62%),
    radial-gradient(50% 44% at 60% 0%,rgba(192,132,252,.30),transparent 64%),
    linear-gradient(180deg,var(--bg2),var(--bg) 60%);
  filter:blur(8px);animation:drift 24s ease-in-out infinite alternate}
@keyframes drift{0%{transform:translate3d(-2%,0,0) scale(1)}100%{transform:translate3d(3%,2%,0) scale(1.07)}}

/* layout */
.section{max-width:1100px;margin:0 auto;padding:64px 20px}
.section__title{font-size:clamp(26px,6vw,40px)}
.section__lead{color:var(--muted);margin-top:10px;max-width:60ch;font-size:clamp(15px,2.6vw,18px)}

/* nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:14px;padding:12px 18px;
  background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;font-family:"Sora",sans-serif;font-weight:800;font-size:19px;letter-spacing:-.02em}
.brand__mark{width:26px;height:26px;border-radius:8px;background:var(--grad);box-shadow:0 0 18px rgba(99,102,241,.6)}
.nav__links{display:none;gap:22px;color:var(--muted);font-weight:500;font-size:14px}
.nav__links a:hover{color:var(--ink)}
.nav__cta{display:flex;gap:8px}
@media(min-width:860px){.nav__links{display:flex}}

/* botones */
.btn{display:inline-flex;align-items:center;gap:8px;font-family:"Sora",sans-serif;font-weight:600;font-size:14px;
  padding:10px 16px;border-radius:100px;border:1px solid transparent;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;cursor:pointer;white-space:nowrap}
.btn--primary{background:var(--grad);color:#0a0e1a;box-shadow:0 10px 30px -10px rgba(99,102,241,.7)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -10px rgba(99,102,241,.85)}
.btn--ghost{border-color:var(--line2);color:var(--ink)}
.btn--ghost:hover{border-color:var(--a2);color:var(--a2)}
.btn--wa{border-color:var(--line2);color:var(--muted)}
.btn--wa:hover{border-color:#25d366;color:#25d366}
.btn--lg{padding:14px 24px;font-size:15px}

/* hero */
.hero{max-width:980px;margin:0 auto;padding:64px 20px 40px;text-align:center}
.badge{display:inline-block;font-family:"Sora",sans-serif;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--a2);border:1px solid var(--line2);border-radius:100px;padding:7px 16px;background:rgba(34,211,238,.06)}
.hero__h1{font-size:clamp(34px,8.5vw,68px);font-weight:800;margin:24px 0 0}
.hero__sub{color:var(--muted);font-size:clamp(16px,3.4vw,20px);max-width:60ch;margin:22px auto 0}
.hero__sub strong{color:var(--ink)}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.hero__note{margin-top:26px;color:var(--faint);font-size:14px}
.hero__note strong{color:var(--a3)}

/* flujo */
.flow{list-style:none;display:grid;grid-template-columns:1fr;gap:14px;margin-top:34px;counter-reset:s}
.flow__step{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 22px 20px;overflow:hidden}
.flow__step::before{content:"";position:absolute;inset:0 auto 0 0;width:4px;background:var(--grad)}
.flow__n{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--grad);color:#0a0e1a;font-family:"Sora",sans-serif;font-weight:800;margin-bottom:12px}
.flow__step h3{font-size:18px}
.flow__step p{color:var(--muted);margin-top:6px;font-size:15px}
@media(min-width:720px){.flow{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.flow{grid-template-columns:repeat(5,1fr)}}

/* cards módulos */
.cards{display:grid;grid-template-columns:1fr;gap:16px;margin-top:30px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:var(--line2)}
.card--live{border-color:transparent;background:linear-gradient(var(--panel),var(--panel)) padding-box,var(--grad) border-box;border:1px solid transparent}
.card__tag{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--a2)}
.card--live .card__tag{color:var(--amber)}
.card h3{font-size:21px;margin:10px 0 6px}
.card p{color:var(--muted);font-size:15px}
@media(min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1000px){.cards{grid-template-columns:repeat(4,1fr)}}

/* confianza */
.trust{display:grid;grid-template-columns:1fr;gap:16px;margin-top:30px}
.trust__item{background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.trust__item h3{font-size:17px;color:var(--a2)}
.trust__item p{color:var(--muted);margin-top:8px;font-size:15px}
@media(min-width:640px){.trust{grid-template-columns:repeat(2,1fr)}}
@media(min-width:980px){.trust{grid-template-columns:repeat(3,1fr)}}

/* cta */
.cta{max-width:840px;margin:40px auto;padding:54px 24px;text-align:center;background:var(--panel);border:1px solid var(--line);border-radius:24px;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.10}
.cta h2{font-size:clamp(24px,5vw,36px);position:relative}
.cta p{color:var(--muted);margin-top:10px;position:relative}
.cta__row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px;position:relative}

/* footer */
.footer{max-width:1100px;margin:0 auto;padding:48px 20px 64px;border-top:1px solid var(--line);text-align:center}
.footer__brand{display:inline-flex;align-items:center;gap:10px;font-family:"Sora",sans-serif;font-weight:800;font-size:18px}
.footer__tag{color:var(--muted);margin-top:10px}
.footer__legal{color:var(--faint);font-size:13px;margin-top:18px;max-width:70ch;margin-left:auto;margin-right:auto}

@media(prefers-reduced-motion:reduce){.litiapp-bg{animation:none}html{scroll-behavior:auto}}