/* ==========================================================================
   EOA Aceleradora — estilos base
   Paleta fácil de re-brandear: ajusta las variables de :root
   ========================================================================== */
:root {
  --navy: #0b1f3a;
  --navy-800: #12294a;
  --ink: #0e1726;
  --paper: #ffffff;
  --paper-alt: #f5f7fa;
  --muted: #5b6b82;
  --accent: #f6a020;   /* naranja acento */
  --accent-600: #e08c0d;
  --line: #e3e8ef;
  --radius: 14px;
  --maxw: 1120px;
  --font: "Barlow", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { line-height: 1.15; margin: 0; font-weight: 800; letter-spacing: -0.01em; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 620px; }
.accent { color: var(--accent); }
.muted { color: var(--muted); font-size: 0.9rem; }

/* Botones */
.btn {
  display: inline-block; background: var(--accent); color: #1a1205;
  font-weight: 700; padding: 12px 22px; border-radius: 999px;
  border: 2px solid var(--accent); cursor: pointer; transition: all .15s ease;
  font-family: var(--font); font-size: 1rem;
}
.btn:hover { background: var(--accent-600); border-color: var(--accent-600); transform: translateY(-1px); }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; }
.btn-sm { padding: 9px 18px; font-size: .95rem; }
.btn-ghost { background: transparent; color: var(--paper); border-color: rgba(255,255,255,.4); }
.btn-ghost:hover { background: rgba(255,255,255,.08); border-color: var(--paper); transform: translateY(-1px); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11,31,58,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: baseline; gap: 8px; }
.brand-mark { color: var(--paper); font-weight: 800; font-size: 1.35rem; letter-spacing: .04em; }
.brand-sub { color: var(--accent); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .15em; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: rgba(255,255,255,.85); font-weight: 500; }
.nav-links a:hover { color: var(--paper); }
.nav-links .btn { color: #1a1205; }

/* Hero */
.hero {
  background: radial-gradient(1200px 600px at 70% -10%, #1c3a63 0%, var(--navy) 55%);
  color: var(--paper); padding: 92px 0 104px;
}
.eyebrow { color: var(--accent); font-weight: 600; text-transform: uppercase; letter-spacing: .18em; font-size: .82rem; margin-bottom: 18px; }
.hero h1 { font-size: clamp(2.2rem, 5.2vw, 3.8rem); }
.lede { color: rgba(255,255,255,.82); font-size: clamp(1.05rem, 2vw, 1.25rem); max-width: 640px; margin-top: 22px; }
.lede strong { color: var(--paper); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

/* Secciones */
.section { padding: 84px 0; }
.section-alt { background: var(--paper-alt); }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); text-align: center; }
.section-intro { color: var(--muted); text-align: center; max-width: 640px; margin: 16px auto 0; font-size: 1.08rem; }

/* Grids */
.grid { display: grid; gap: 22px; margin-top: 48px; }
.pillars { grid-template-columns: repeat(4, 1fr); }
.steps { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; transition: transform .15s ease, box-shadow .15s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -24px rgba(11,31,58,.4); }
.card-num { color: var(--accent); font-weight: 800; font-size: 1.05rem; letter-spacing: .1em; }
.card h3 { margin: 12px 0 8px; font-size: 1.3rem; }
.card p { color: var(--muted); }

.step { text-align: center; padding: 0 12px; }
.step-n {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: 50%; background: var(--navy); color: var(--paper);
  font-weight: 800; font-size: 1.2rem; margin-bottom: 16px;
}
.step h3 { font-size: 1.2rem; margin-bottom: 6px; }
.step p { color: var(--muted); }

/* CTA / formulario */
.cta-section { background: var(--paper-alt); }
.signup {
  margin-top: 40px; background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 32px; display: grid; gap: 18px;
}
.field { display: grid; gap: 6px; text-align: left; }
.field label { font-weight: 600; font-size: .92rem; }
.field input {
  font-family: var(--font); font-size: 1rem; padding: 12px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: #fff;
}
.field input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(246,160,32,.18); }
.signup .btn { width: 100%; }
.form-msg { min-height: 1.2em; font-weight: 600; text-align: center; margin: 0; }
.form-msg.ok { color: #157347; }
.form-msg.err { color: #c02626; }

/* Footer */
.site-footer { background: var(--navy); color: var(--paper); padding: 40px 0; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.site-footer .muted { color: rgba(255,255,255,.6); }

/* Responsive */
@media (max-width: 900px) {
  .pillars { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 680px) {
  .nav-links a:not(.btn) { display: none; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 72px; }
  .section { padding: 60px 0; }
}
@media (max-width: 460px) {
  .pillars { grid-template-columns: 1fr; }
}