/* ==========================================================================
   exodosolutionsia — hoja de estilos
   ========================================================================== */

:root {
  --navy:      #0f1b3d;
  --navy-800:  #132248;
  --navy-700:  #1a2c59;
  --navy-600:  #24386e;
  --gold:      #f2b229;
  --gold-soft: #f6c65c;
  --blue:      #3160cb;
  --blue-soft: #5b86e0;
  --text:      #eef1f8;
  --muted:     #a7b0c8;
  --line:      rgba(255, 255, 255, 0.10);
  --radius:    16px;
  --maxw:      1100px;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;

  /* Movimiento. Usar SIEMPRE estos tokens, nunca curvas sueltas. */
  --ease-out:     cubic-bezier(0.23, 1, 0.32, 1);
  --dur-entrada:  520ms;
  --dur-revelado: 600ms;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--navy);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: var(--blue-soft); text-decoration: none; }
a:hover { color: var(--gold); }

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; font-weight: 800; letter-spacing: -0.01em; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.15rem; }
p  { margin: 0 0 1rem; text-wrap: pretty; }

.wrap { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

.eyebrow {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.muted { color: var(--muted); }
.center { text-align: center; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--gold);
  color: #2a1e02;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
  color: #2a1e02;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 27, 61, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}
.brand { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 1.05rem; color: var(--text); letter-spacing: -0.02em; }
.brand img { width: 42px; height: auto; }
.brand span b { color: var(--gold); }
.brand span i { color: var(--blue-soft); font-style: normal; }

.nav { display: flex; align-items: center; gap: 28px; }
.nav a { color: var(--text); font-weight: 600; font-size: .96rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--gold); }

.nav-toggle { display: none; }
.hamburger { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .98rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: transform .16s var(--ease-out), background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.btn:active { transform: translateY(1px); box-shadow: none; }

/* Solo con ratón: en táctil el hover se quedaría pegado tras el toque. */
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(242, 178, 41, .22); }
}

/* Paso 5: el botón mientras se envía el formulario */
.btn.enviando { opacity: .72; pointer-events: none; transform: none; box-shadow: none; }
.btn-primary { background: var(--gold); color: #2a1e02; }
.btn-primary:hover { background: var(--gold-soft); color: #2a1e02; }
.btn-ghost { border-color: rgba(255,255,255,.25); color: var(--text); }
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ---------- Movimiento ---------- */
@keyframes entrada {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

/* El revelado al scroll usa más recorrido y un punto de escala: con el progreso
   atado al dedo hace falta más amplitud para que se perciba. */
@keyframes revelado {
  from { opacity: 0; transform: translateY(22px) scale(.985); }
  to   { opacity: 1; transform: none; }
}

/* Entrada escalonada del hero. Por posición, así vale para las tres páginas
   que tienen hero aunque su contenido sea distinto. */
.hero .wrap > * { animation: entrada var(--dur-entrada) var(--ease-out) both; }
.hero .wrap > *:nth-child(1) { animation-delay: 0ms; }
.hero .wrap > *:nth-child(2) { animation-delay: 70ms; }
.hero .wrap > *:nth-child(3) { animation-delay: 140ms; }
.hero .wrap > *:nth-child(4) { animation-delay: 210ms; }

/* Revelado al entrar en pantalla.
   TODO dentro de @supports a propósito: si el navegador no lo entiende, la regla
   se ignora entera, no hay opacity:0 y el contenido se ve. Nunca una web en blanco. */
@supports (animation-timeline: view()) {
  .revelar {
    opacity: 0;
    /* La duración hace falta en el atajo aunque el progreso lo marque el scroll:
       sin ella el navegador la fija en 0s y la animación no avanza. */
    animation: revelado var(--dur-revelado) linear both;
    animation-timeline: view();
    /* El recorrido va desde que asoma hasta que cruza la mitad inferior:
       así el movimiento ocurre DONDE se mira, no en la franja de abajo.
       Nota: con animation-timeline la duración se ignora — manda el rango. */
    animation-range: entry 15% cover 48%;
  }
  /* Escalonado: con scroll-driven no valen los delays en ms, se retrasa el rango. */
  .cards .revelar:nth-child(2)     { animation-range: entry 22% cover 55%; }
  .cards .revelar:nth-child(3)     { animation-range: entry 29% cover 62%; }
  .checklist .revelar:nth-child(2) { animation-range: entry 20% cover 52%; }
  .checklist .revelar:nth-child(3) { animation-range: entry 25% cover 57%; }
  .checklist .revelar:nth-child(4) { animation-range: entry 30% cover 62%; }
  .cta-band .revelar:nth-child(2)  { animation-range: entry 25% cover 58%; }
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(48px, 7vw, 84px) 0 clamp(32px, 4vw, 52px);
  background:
    radial-gradient(1000px 500px at 80% -10%, rgba(49, 96, 203, 0.28), transparent 60%),
    radial-gradient(800px 500px at 0% 20%, rgba(242, 178, 41, 0.12), transparent 55%);
}
.hero h1 { max-width: 16ch; }
.hero p.lead { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--muted); max-width: 54ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.hero .zona {
  margin-top: 22px;
  font-size: .95rem;
  color: var(--muted);
}
.hero .zona strong { color: var(--text); font-weight: 600; }

/* ---------- Sections ---------- */
section { padding: clamp(48px, 7vw, 84px) 0; }
section.alt { background: var(--navy-800); border-block: 1px solid var(--line); }
.section-head { max-width: 58ch; margin-bottom: 40px; }

/* ---------- Feature cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card {
  background: var(--navy-700);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.card .ico { color: var(--gold); margin-bottom: 14px; line-height: 0; }
.card h3 { color: var(--text); }

/* Las tarjetas son enlaces reales a contacto, así que el hover promete algo
   que sí ocurre al pulsar. */
a.card {
  display: block;
  color: inherit;
  transition: transform .2s var(--ease-out), border-color .2s ease, background .2s ease;
}
@media (hover: hover) and (pointer: fine) {
  a.card:hover { transform: translateY(-3px); border-color: rgba(242,178,41,.45); background: var(--navy-600); }
  a.card:hover .ico { color: var(--gold-soft); }
}
a.card:active { transform: translateY(-1px); }
a.card:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.card .ico svg { display: block; }
.card h3 { margin-bottom: .4rem; }
.card p { margin: 0; color: var(--muted); font-size: .97rem; }

/* ---------- Checklist ---------- */
.checklist { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 14px; }
.checklist li { position: relative; padding-left: 34px; }
.checklist li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  background: rgba(242, 178, 41, .15);
  color: var(--gold);
  border-radius: 6px;
  font-size: .8rem;
  font-weight: 800;
}

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 32px; }
.step .num {
  font-size: .85rem; font-weight: 800; letter-spacing: .1em;
  color: var(--gold); margin-bottom: 8px;
}
.step h3 { margin-bottom: .35rem; }
.step p { color: var(--muted); margin: 0; font-size: .97rem; }

/* ---------- CTA band ---------- */
.cta-band { text-align: center; }
.cta-band h2 { max-width: 24ch; margin-inline: auto; }
.cta-band .btn { margin-top: 20px; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.contact-side .btn { width: 100%; justify-content: center; margin-bottom: 12px; }
.contact-side .direct { margin-top: 22px; font-size: .95rem; color: var(--muted); }

form.contact { display: grid; gap: 16px; }
form.contact label { display: grid; gap: 6px; font-size: .9rem; font-weight: 600; color: var(--muted); }
form.contact input,
form.contact textarea {
  font: inherit;
  color: var(--text);
  background: var(--navy-700);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
}
form.contact input:focus,
form.contact textarea:focus { outline: 2px solid var(--blue); border-color: transparent; }
form.contact .check { grid-auto-flow: column; justify-content: start; align-items: start; gap: 10px; font-weight: 400; font-size: .82rem; }
form.contact .check input { width: 18px; height: 18px; margin-top: 3px; }
form.contact button { justify-self: start; }

/* ---------- Legal / prose ---------- */
.prose { max-width: 75ch; }
.prose h1 { margin-bottom: 1rem; }
.prose h2 { font-size: 1.2rem; margin-top: 2rem; }
.prose p, .prose li { color: var(--muted); }
.prose small { color: var(--muted); }

.error-page {
  min-height: 52vh;
  display: grid;
  align-content: center;
}
.error-page .codigo {
  font-size: .85rem;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--gold);
  margin-bottom: 1rem;
}
.error-page .actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-800);
  border-top: 1px solid var(--line);
  padding: 44px 0 32px;
}
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 24px 48px; justify-content: space-between; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.site-footer nav a { color: var(--muted); font-size: .92rem; font-weight: 600; }
.site-footer nav a:hover { color: var(--gold); }
.site-footer .social { display: flex; gap: 20px; align-items: center; }
.site-footer .social a {
  display: inline-flex;
  color: var(--muted);
  line-height: 0;
  transition: color .18s ease, transform .18s ease;
}
.site-footer .social a svg { width: 22px; height: 22px; fill: currentColor; display: block; }
.site-footer .social a:hover,
.site-footer .social a:focus-visible { color: var(--gold); transform: translateY(-1px); }
.site-footer .legal { margin-top: 26px; font-size: .82rem; color: var(--muted); }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .cards, .steps { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }

  .hamburger {
    display: grid;
    place-items: center;
    width: 42px; height: 42px;
    background: transparent;
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 10px;
    cursor: pointer;
  }
  .hamburger span, .hamburger span::before, .hamburger span::after {
    content: "";
    display: block;
    width: 18px; height: 2px;
    background: var(--text);
    position: relative;
  }
  .hamburger span::before { position: absolute; top: -6px; }
  .hamburger span::after  { position: absolute; top: 6px; }

  .nav {
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy-800);
    border-bottom: 1px solid var(--line);
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease;
  }
  .nav a { padding: 15px 20px; border-top: 1px solid var(--line); }
  .nav-toggle:checked ~ .nav { max-height: 320px; }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto; transition-duration: .01ms !important; }

  /* CRÍTICO: aquí no basta con anular la animación — si se anula, el estado
     inicial (opacity: 0) se queda y el contenido desaparece. Hay que forzar
     visible. Sin desplazamiento, pero visible. */
  .hero .wrap > *,
  .revelar {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }
}