/* ============================================================
   PREXIT — Strategic Exit Advisors
   Sistema de diseño web · por Marketrín
   Paleta y tipografía del Manual de Identidad Premium v1
   ============================================================ */

:root{
  /* Paleta de marca confirmada */
  --navy:#07192F;
  --navy-800:#0B2340;
  --navy-700:#123055;
  --azul:#1CAFD9;
  --azul-600:#149BC2;
  --blanco:#F4F6F8;
  --gris:#7E8A97;
  --gris-200:#C5CDD4;

  /* Tokens semánticos */
  --bg:var(--navy);
  --bg-alt:var(--navy-800);
  --fg:var(--blanco);
  --muted:var(--gris-200);
  --accent:var(--azul);
  --line:rgba(255,255,255,.10);

  /* Tipografía: Montserrat (self-host recomendado; fallback system) */
  --font:"Montserrat","Avenir Next","Segoe UI",system-ui,-apple-system,sans-serif;

  --maxw:1120px;
  --gutter:clamp(1.25rem,4vw,3rem);
  --radius:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--fg);
  font-size:1.0625rem;      /* ~17px, legible para +50 */
  line-height:1.7;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--azul);text-decoration:none;transition:color .2s}
a:hover{color:#fff}
:focus-visible{outline:2px solid var(--azul);outline-offset:3px;border-radius:4px}

h1,h2,h3{line-height:1.15;font-weight:700;letter-spacing:-.01em;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5.5vw,3.7rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.5rem)}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
.eyebrow{
  text-transform:uppercase;letter-spacing:.26em;font-size:.78rem;
  font-weight:600;color:var(--azul);margin:0 0 1rem
}
p{margin:0 0 1.1em;color:var(--muted)}
strong{color:#fff;font-weight:600}

/* Layout helpers */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(4rem,9vw,7rem)}
.section--alt{background:var(--bg-alt)}
.center{text-align:center}
.lede{font-size:clamp(1.1rem,2vw,1.3rem);color:var(--muted);max-width:46ch}
.center .lede{margin-inline:auto}

/* Botones */
.btn{
  display:inline-block;padding:.95rem 1.8rem;border-radius:var(--radius);
  font-weight:600;letter-spacing:.02em;font-size:.98rem;cursor:pointer;
  transition:transform .15s,background .2s,border-color .2s;border:1px solid transparent
}
.btn--primary{background:var(--azul);color:var(--navy)}
.btn--primary:hover{background:#fff;color:var(--navy);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);color:#fff}
.btn--ghost:hover{border-color:var(--azul);color:#fff}

/* Header / nav */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(7,25,47,.82);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px}
.brand{display:flex;align-items:center;gap:.6rem}
.brand-logo{height:26px;width:auto;display:block}
@media (max-width:520px){.brand-logo{height:22px}}
.nav-links{display:flex;gap:1.9rem;list-style:none;margin:0;padding:0;align-items:center}
.nav-links a{color:var(--muted);font-size:.95rem;font-weight:500}
.nav-links a:hover{color:#fff}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer}

/* Hero */
.hero{position:relative;padding-block:clamp(5rem,12vw,9rem);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 60% at 80% 10%,rgba(28,175,217,.16),transparent 70%)}
.hero .wrap{position:relative;z-index:1;max-width:900px}
.hero h1{margin-bottom:.35em}
.hero .tagline{font-size:clamp(1.15rem,2.4vw,1.5rem);color:#fff;font-weight:500;margin-bottom:.2em}
.hero-leadin{font-style:italic;font-weight:500;color:#fff;
  font-size:clamp(1.6rem,3.4vw,2.3rem);line-height:1.25;margin:.1em 0 .55em}
.hero .cta-row{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2.2rem}

/* Reglas / detalles */
.kicker-line{width:56px;height:3px;background:var(--azul);border:0;margin:0 0 1.6rem}
.center .kicker-line{margin-inline:auto}

/* Grid de pilares / tarjetas */
.grid{display:grid;gap:1.25rem}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.01));
  border:1px solid var(--line);border-radius:var(--radius);padding:1.9rem 1.7rem;
  transition:border-color .2s,transform .2s
}
.card:hover{border-color:rgba(28,175,217,.5);transform:translateY(-3px)}
.card .num{font-size:.85rem;letter-spacing:.2em;color:var(--azul);font-weight:600}
.card h3{margin:.6rem 0 .5rem}
.card p{margin:0;font-size:.98rem}

/* Chips (lista de consecuencias / etiquetas) */
.chips{display:flex;flex-wrap:wrap;gap:.65rem;margin:1.8rem 0 0;padding:0;list-style:none}
.chips li{border:1px solid var(--line);border-radius:999px;padding:.5rem 1.1rem;font-size:.92rem;
  color:var(--muted);background:rgba(255,255,255,.02)}
.chips li strong{color:#fff;font-weight:600}

/* Listas dentro de tarjetas (servicios) */
.card ul{margin:.9rem 0 0;padding-left:1.05rem;color:var(--muted);font-size:.95rem}
.card ul li{margin-bottom:.35rem}

/* Banda de tagline (marca verbal) */
.tagline-band{text-align:center}
.tagline-band .t{font-size:clamp(1.8rem,4.6vw,3rem);font-weight:700;letter-spacing:-.01em;color:#fff;line-height:1.15;margin:0}
.tagline-band .t .dim{color:var(--azul)}

/* Cita / tesis destacada */
.quote{
  border-left:3px solid var(--azul);padding:.4rem 0 .4rem 1.6rem;
  font-size:clamp(1.35rem,3vw,2rem);color:#fff;font-weight:600;line-height:1.3;max-width:24ch
}
.quote--center{border:0;text-align:center;max-width:20ch;margin-inline:auto;padding:0}

/* Dos mundos (universo paralelo) */
.two-worlds{display:grid;grid-template-columns:1fr auto 1fr;gap:1.5rem;align-items:stretch}
.world{border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem;background:rgba(255,255,255,.02)}
.world h3{color:#fff}
.world ul{margin:0;padding-left:1.1rem;color:var(--muted)}
.world li{margin-bottom:.4rem}
.vs{display:grid;place-items:center;font-weight:700;color:var(--azul);letter-spacing:.1em}

/* Historia / autoridad */
.stat-row{display:flex;gap:2.5rem;flex-wrap:wrap;margin-top:1.5rem}
.stat b{display:block;font-size:2.2rem;color:#fff;line-height:1}
.stat span{font-size:.9rem;color:var(--gris);letter-spacing:.05em}

/* Blog listing */
.post-list{display:grid;gap:1.25rem;grid-template-columns:repeat(2,1fr)}
.post-card{display:flex;flex-direction:column;justify-content:space-between;height:100%}
.post-card .meta{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--azul)}
.post-card h3{margin:.7rem 0 .5rem}
.post-card .more{margin-top:1rem;font-weight:600;font-size:.92rem}

/* Artículo (post) */
.article{max-width:44rem;margin:0 auto}
.article .meta{font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:var(--azul);margin-bottom:1rem}
.article h1{margin-bottom:.4em}
.article h2{margin-top:1.8em}
.article p,.article li{color:var(--muted)}
.article blockquote{
  margin:1.8em 0;border-left:3px solid var(--azul);padding-left:1.4rem;
  font-size:1.25rem;color:#fff;font-weight:600;line-height:1.35
}
.article ul{padding-left:1.2rem}
.article li{margin-bottom:.5rem}

/* CTA final */
.cta-band{background:linear-gradient(120deg,var(--navy-700),var(--navy-800));border-radius:20px;
  padding:clamp(2.5rem,5vw,4rem);text-align:center;border:1px solid var(--line)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding-block:3rem;color:var(--gris);font-size:.9rem}
.site-footer .wrap{display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;align-items:center}
.site-footer a{color:var(--muted)}
.footer-logo{height:34px;width:auto;display:block;margin-bottom:.5rem}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* Responsive */
@media (max-width:860px){
  .grid--3,.grid--2,.post-list{grid-template-columns:1fr}
  .two-worlds{grid-template-columns:1fr}
  .vs{padding:.4rem}
  .nav-links{
    position:absolute;top:72px;left:0;right:0;background:var(--navy-800);
    flex-direction:column;gap:0;padding:.5rem var(--gutter) 1.2rem;
    border-bottom:1px solid var(--line);display:none
  }
  .nav-links.open{display:flex}
  .nav-links li{width:100%;border-bottom:1px solid var(--line)}
  .nav-links a{display:block;padding:.9rem 0}
  .nav-toggle{display:block}
}