/* ============================================================
   DP Consulting · hoja de estilos compartida
   Una sola fuente de verdad para colores, tipografía, nav,
   botones, formularios, pie y movimiento. Cada página solo
   agrega lo que le es propio en un <style> corto.
   ============================================================ */

:root{
  /* Marca (sin cambios) */
  --navy:#1A2A40;
  --navy-mid:#2F4C73;
  --blue:#5C7EBF;
  --paper:#F7F6F3;
  --white:#FFFFFF;

  /* Derivados: solo transparencias de los colores de marca */
  --ink-80:rgba(26,42,64,0.80);
  --ink-70:rgba(26,42,64,0.70);
  --line:rgba(26,42,64,0.12);
  --line-strong:rgba(26,42,64,0.20);
  --tint-navy:rgba(26,42,64,0.045);
  --tint-blue:rgba(92,126,191,0.11);
  --on-dark-85:rgba(255,255,255,0.85);
  --on-dark-70:rgba(255,255,255,0.70);
  --on-dark-55:rgba(255,255,255,0.55);
  --on-dark-line:rgba(255,255,255,0.14);
  --shadow:0 18px 48px rgba(26,42,64,0.10);
  --focus:0 0 0 3px rgba(92,126,191,0.28);

  /* Tipografía */
  --font-display:'Sora',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;
  --font-body:'Instrument Sans',-apple-system,'Segoe UI',Helvetica,Arial,sans-serif;

  /* Forma: un solo sistema de radios */
  --r-card:12px;
  --r-btn:10px;
  --r-pill:100px;

  /* Ritmo */
  --container:1140px;
  --pad-x:clamp(18px,4vw,48px);
  --sec-y:clamp(64px,8vw,100px);
  --nav-h:72px;
  --ease:cubic-bezier(.16,1,.3,1);
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:calc(var(--nav-h) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:16px;line-height:1.6;background:var(--white);color:var(--navy);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--navy-mid);text-decoration-thickness:1px;text-underline-offset:3px;transition:color .25s var(--ease)}
a:hover{color:var(--navy)}
section[id],header[id]{scroll-margin-top:calc(var(--nav-h) + 12px)}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:4px}

h1,h2,h3,h4{font-family:var(--font-display);color:var(--navy);margin:0;font-weight:700}
h1{font-size:clamp(34px,4vw,50px);letter-spacing:-0.03em;line-height:1.08}
h1 span{color:var(--navy-mid)}
h2{font-size:clamp(27px,2.8vw,38px);letter-spacing:-0.025em;line-height:1.14}
h3{font-size:18px;letter-spacing:-0.01em;line-height:1.35;font-weight:600}
p{margin:0}

.container{max-width:var(--container);margin:0 auto}
.sec{padding:var(--sec-y) var(--pad-x)}
.sec-paper{background:var(--paper)}
.sec-white{background:var(--white)}
.sec-dark{background:var(--navy);color:var(--white)}
.sec-dark h2,.sec-dark h3{color:var(--white)}

/* Cabecera de sección: siempre apilada (título arriba, texto abajo) */
.sec-head{margin-bottom:44px;max-width:720px}
.sec-head p{margin-top:14px;font-size:16px;line-height:1.7;color:var(--ink-70);max-width:60ch}
.sec-dark .sec-head p{color:var(--on-dark-70)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.sec-head-row .sec-head{margin-bottom:0}

/* Etiqueta pequeña sobre un título. Máximo una por cada tres secciones. */
.eyebrow{font-family:var(--font-display);font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--navy-mid);margin-bottom:14px}
/* Etiqueta plana (sin mayúsculas), para cajas y tarjetas */
.lbl{font-family:var(--font-display);font-size:13px;font-weight:600;color:var(--navy-mid);margin-bottom:8px}
.sec-dark .lbl{color:rgba(169,188,224,1)}

.lead{font-size:18px;line-height:1.7;color:var(--ink-70);max-width:56ch}
.muted{color:var(--ink-70)}
.small{font-size:13.5px;line-height:1.65;color:var(--ink-70)}

/* ---------- Botones ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-display);font-size:14px;font-weight:600;line-height:1.2;padding:14px 24px;border-radius:var(--r-btn);border:1.5px solid transparent;text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:background-color .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease),transform .15s var(--ease),box-shadow .25s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--navy);color:var(--white)}
.btn-primary:hover{background:var(--navy-mid);color:var(--white)}
.btn-secondary{background:var(--white);color:var(--navy);border-color:var(--line-strong)}
.btn-secondary:hover{border-color:var(--navy);color:var(--navy)}
.btn-light{background:var(--white);color:var(--navy)}
.btn-light:hover{background:var(--paper);color:var(--navy)}
.btn-sm{font-size:13px;padding:10px 18px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.link{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--navy-mid);text-decoration:none}
.link:hover{color:var(--navy)}

/* ---------- Navegación ---------- */
.nav{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h);padding:0 var(--pad-x);background:rgba(247,246,243,0.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-logo{display:flex;align-items:center;flex-shrink:0}
.nav-logo img{height:28px;width:auto}
.nav-links{display:flex;align-items:center;gap:clamp(12px,1.6vw,22px);white-space:nowrap}
.nav-links a{font-family:var(--font-display);font-size:13px;font-weight:500;color:var(--ink-70);text-decoration:none}
.nav-links a:hover,.nav-links a.on{color:var(--navy)}
.nav-links a.on{font-weight:600}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.lang{display:flex;align-items:center;border:1.5px solid var(--line-strong);border-radius:var(--r-pill);padding:3px;gap:2px}
.lang a{font-family:var(--font-display);font-size:11.5px;font-weight:700;letter-spacing:.04em;line-height:1.2;padding:6px 12px;border-radius:var(--r-pill);text-decoration:none;color:var(--ink-70)}
.lang a.on{background:var(--navy);color:var(--white)}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;padding:8px;background:none;border:none;cursor:pointer;flex-shrink:0}
.burger span{display:block;height:2px;width:100%;background:var(--navy);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;padding:8px var(--pad-x) 20px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:var(--shadow)}
.menu.open{display:flex}
.menu > a{font-family:var(--font-display);font-size:15px;font-weight:500;color:var(--ink-80);text-decoration:none;padding:14px 0;border-bottom:1px solid var(--line)}
.menu-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:16px}
.menu-foot .btn{flex:1}

@media (max-width:1120px){
  .nav-logo img{height:25px}
  .nav-links{gap:12px}
  .lang{border:none;padding:0}
  .lang a.on{display:none}
  .lang a{padding:6px 4px;color:var(--navy-mid)}
}
@media (max-width:900px){
  .nav-links,.nav-right{display:none}
  .burger{display:flex}
  :root{--nav-h:62px}
}

/* ---------- Pie ---------- */
.footer{background:var(--navy);padding:44px var(--pad-x);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-brand img{height:40px;width:auto;margin-bottom:8px}
.footer-brand p{font-size:12.5px;color:var(--on-dark-55)}
.footer-links{display:flex;align-items:center;gap:12px 26px;flex-wrap:wrap}
.footer-links a{font-family:var(--font-display);font-size:13px;color:var(--on-dark-55);text-decoration:none}
.footer-links a.mail{font-family:var(--font-body)}
.footer-links a:hover{color:var(--white)}
.footer-copy{font-size:11.5px;color:var(--on-dark-55)}
@media (max-width:760px){
  .footer{flex-direction:column;align-items:flex-start;gap:22px;padding:38px var(--pad-x)}
  .footer-links{gap:10px 18px}
}

/* ---------- Formularios ---------- */
input,select,textarea,button{font-family:inherit;font-size:inherit}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-family:var(--font-display);font-size:12.5px;font-weight:600;color:var(--navy)}
.field input,.field select,.field textarea{width:100%;font-size:14.5px;color:var(--navy);background:var(--white);border:1.5px solid var(--line-strong);border-radius:var(--r-btn);padding:13px 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field textarea{resize:vertical;min-height:120px}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-70)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--navy-mid);box-shadow:var(--focus)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .span2{grid-column:1 / -1}
.form-msg{margin-top:12px;font-size:14px;line-height:1.5;min-height:1.5em}
.form-msg.ok{color:#246A41}
.form-msg.err{color:#A93226}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}

/* ---------- Tarjetas y paneles ---------- */
.card{background:var(--white);border:1.5px solid var(--line);border-radius:var(--r-card);padding:28px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease),transform .25s var(--ease)}
.card:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.card-tint{background:var(--tint-blue);border-color:transparent}
.panel{background:var(--paper);border-radius:var(--r-card);padding:28px}
.panel-dark{background:var(--navy);color:var(--white);border-radius:var(--r-card);padding:32px}
.panel-dark h3{color:var(--white)}
.panel-dark p{color:var(--on-dark-70)}
.tag{display:inline-block;font-family:var(--font-display);font-size:11.5px;font-weight:600;background:var(--paper);color:var(--navy);padding:5px 12px;border-radius:var(--r-pill)}
.tags{display:flex;flex-wrap:wrap;gap:6px}

/* Lista dividida: filas con un solo filete arriba */
.rows{display:flex;flex-direction:column}
.row-item{display:grid;grid-template-columns:52px 1fr;gap:20px;padding:28px 0;border-top:1px solid var(--line);align-items:start}
.row-item .num{font-family:var(--font-display);font-size:14px;font-weight:600;color:var(--navy-mid);padding-top:4px}
.row-item h3{margin-bottom:6px}
.row-item p{font-size:15px;line-height:1.7;color:var(--ink-70)}
.row-split{display:grid;grid-template-columns:1fr 2fr;gap:24px;padding:24px 0;border-top:1px solid var(--line);align-items:start}
.row-split h3{font-size:16px}
.row-split p{font-size:14.5px;line-height:1.7;color:var(--ink-70)}
.row-split:last-child{border-bottom:1px solid var(--line)}
@media (max-width:760px){
  .row-item{grid-template-columns:36px 1fr;gap:14px;padding:22px 0}
  .row-split{grid-template-columns:1fr;gap:6px}
}

/* ---------- Héroe ---------- */
.hero{background:var(--paper);background-image:linear-gradient(rgba(26,42,64,0.035) 1px,transparent 1px),linear-gradient(90deg,rgba(26,42,64,0.035) 1px,transparent 1px);background-size:72px 72px;padding:72px var(--pad-x) 80px}
.hero h1{max-width:1140px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:start;margin-top:28px}
.hero-copy .lead{margin-bottom:30px}
@media (max-width:900px){
  .hero{padding:48px var(--pad-x) 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
}

/* Franja de datos bajo el héroe */
.band{background:var(--tint-navy);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.band-cell{padding:26px 28px;border-right:1px solid var(--line)}
.band-cell:last-child{border-right:none}
.band-cell b{display:block;font-family:var(--font-display);font-size:30px;font-weight:700;letter-spacing:-0.03em;line-height:1.05;margin-bottom:8px}
.band-cell b.txt{font-size:19px;line-height:1.2}
.band-cell span{font-size:13px;line-height:1.5;color:var(--ink-70)}
@media (max-width:900px){.band-grid{grid-template-columns:1fr 1fr}.band-cell:nth-child(2){border-right:none}.band-cell:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:520px){.band-grid{grid-template-columns:1fr}.band-cell{border-right:none;border-bottom:1px solid var(--line)}.band-cell:last-child{border-bottom:none}}

/* ---------- FAQ (acordeón) ---------- */
.faq{border-top:1px solid var(--line);max-width:800px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:20px;background:none;border:none;cursor:pointer;padding:22px 4px;text-align:left;font-family:var(--font-display);font-size:16px;font-weight:600;color:var(--navy)}
.faq-q .sym{font-size:20px;font-weight:400;color:var(--blue);flex-shrink:0;transition:transform .3s var(--ease)}
.faq-item.open .faq-q .sym{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}
.faq-a > div{overflow:hidden}
.faq-a p{font-size:15px;color:var(--ink-70);line-height:1.75;padding:0 4px 24px;max-width:66ch}
.faq-item.open .faq-a{grid-template-rows:1fr}

/* ---------- Movimiento (solo si el visitante no pidió reducirlo) ---------- */
@media (prefers-reduced-motion:no-preference){
  .js .reveal{opacity:0;transform:translateY(16px);transition:opacity .7s var(--ease),transform .7s var(--ease);transition-delay:calc(var(--i,0) * 70ms)}
  .js .reveal.in{opacity:1;transform:none}
  .js .hero-copy > *,.js .hero-side{animation:rise .8s var(--ease) both}
  .js .hero-copy > :nth-child(2){animation-delay:.08s}
  .js .hero-copy > :nth-child(3){animation-delay:.16s}
  .js .hero-side{animation-delay:.22s}
  @keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* ---------- Utilidades ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-5{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
@media (max-width:900px){.grid-3,.grid-4,.grid-5{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.grid-2,.grid-3,.grid-4,.grid-5{grid-template-columns:1fr}}
.disclosure{font-size:12.5px;color:var(--ink-70);line-height:1.7;max-width:720px}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}