/* Sectorial landing — la vidriera, con el key visual (docs/key-visual): azul
   profundo y un solo acento, Montserrat ExtraBold en títulos y cifras, Inter en el
   texto, y el logo desde su archivo (brand/, copia de web/public/brand). */

:root {
  --paper: #F5F7FB;   /* Niebla */
  --card: #FFFFFF;
  --ink: #0A1F44;     /* Navy */
  --muted: #55627A;
  --faint: #5D6A81;
  --line: #DCE3EF;
  --brand: #1E3A8A;   /* Royal */
  --brand-dark: #0A1F44;
  --brand-soft: #E3ECFB; /* Hielo */
  --accent: #3B82F6;  /* Azul sector: el arco, nunca texto chico */
  --celeste: #8DB8FF;
  --on-deep-dim: #A9BCDD;
  --display: "Montserrat", "Inter", system-ui, sans-serif;
  --critical: #B3362B;
  --critical-soft: #F7ECEA;
  --shadow: 0 1px 2px rgba(10,31,68,.05), 0 10px 30px rgba(10,31,68,.07);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.shell { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
h1, h2 { font-family: var(--display); font-weight: 800; letter-spacing: -0.015em; text-wrap: balance; }
h3 { font-weight: 600; }
a { color: inherit; }

/* --- top ------------------------------------------------------------------ */
.top { border-bottom: 1px solid var(--line); background: var(--paper); }
.top-row { display: flex; align-items: center; justify-content: space-between; padding-top: 18px; padding-bottom: 18px; }
.brand { display: block; height: 32px; width: auto; }
.brand.small { height: 22px; }
.top-nav { display: flex; gap: 12px; align-items: center; }

.cta {
  display: inline-block; background: var(--brand); color: #fff; text-decoration: none;
  font-weight: 600; padding: 9px 18px; border-radius: 8px; font-size: 15px;
}
.cta:hover { background: var(--brand-dark); }
.cta:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ghost {
  display: inline-block; color: var(--brand); text-decoration: none; font-weight: 600;
  padding: 9px 18px; border-radius: 8px; border: 1px solid var(--line); font-size: 15px; background: var(--card);
}
.ghost:hover { border-color: var(--brand); }
.ghost:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.big { padding: 12px 26px; font-size: 16px; }

/* --- hero ----------------------------------------------------------------- */
.hero { padding: 72px 0 84px; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 56px; align-items: center; }
.hero h1 { font-size: 46px; line-height: 1.12; margin: 0 0 18px; }
.lede { font-size: 18px; color: var(--muted); margin: 0 0 28px; max-width: 34em; }
.lede strong { color: var(--ink); }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.fineprint { color: var(--faint); font-size: 13.5px; margin-top: 16px; }

.hero-card {
  margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  box-shadow: var(--shadow); padding: 26px 28px;
}
.chip {
  display: inline-block; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 99px;
}
.chip.worse { background: var(--critical-soft); color: var(--critical); }
.stake { display: flex; flex-direction: column; margin: 18px 0 14px; }
.stake-label { font-size: 11px; letter-spacing: .08em; color: var(--muted); font-weight: 600; }
.stake-figure {
  font-family: var(--display); font-variant-numeric: tabular-nums;
  font-size: 46px; font-weight: 800; color: var(--critical); line-height: 1.1;
}
.hero-card h3 { font-size: 17px; margin: 0 0 8px; line-height: 1.35; }
.hero-card p { color: var(--muted); font-size: 14.5px; margin: 0; }
.hero-card figcaption { color: var(--faint); font-size: 12px; margin-top: 16px; border-top: 1px solid var(--line); padding-top: 12px; }

/* --- sections ------------------------------------------------------------- */
section h2 { font-size: 30px; margin: 0 0 28px; }
.steps { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 64px 0; }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step-n {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%;
  background: var(--brand-soft); color: var(--brand); font-family: var(--display);
  font-weight: 800; margin-bottom: 10px;
}
.step h3 { font-size: 17px; margin: 0 0 8px; }
.step p { color: var(--muted); font-size: 14.5px; margin: 0; }

.features { padding: 64px 0; }
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.feature {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px 24px;
}
.feature h3 { font-size: 16.5px; margin: 0 0 8px; }
.feature p { color: var(--muted); font-size: 14.5px; margin: 0; }

.principles { background: var(--ink); color: var(--paper); padding: 64px 0; }
.principles h2 { color: var(--paper); }
.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.principle h3 { font-size: 16.5px; margin: 0 0 8px; color: var(--celeste); }
.principle p { color: var(--on-deep-dim); font-size: 14.5px; margin: 0; }

.closing { padding: 72px 0; text-align: center; }
.closing-row h2 { margin-bottom: 8px; }
.closing-row p { color: var(--muted); margin: 0 0 24px; }

.foot { border-top: 1px solid var(--line); padding: 26px 0; }
.foot-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.foot-note { color: var(--faint); font-size: 13.5px; }
.foot-note a { color: var(--brand); font-weight: 600; text-decoration: none; }

@media (max-width: 860px) {
  .hero { padding: 48px 0 56px; }
  .hero-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 34px; }
  .steps-grid, .principles-grid, .features-grid { grid-template-columns: 1fr; }
}

/* En un teléfono el logo y los dos botones tienen que entrar en una línea: el logo
   baja a 26px (el símbolo sigue sobre el mínimo de 16px) y los botones no se parten. */
@media (max-width: 520px) {
  .top .brand { height: 26px; }
  .top-nav { gap: 8px; }
  .top-nav .ghost, .top-nav .cta { padding: 8px 12px; font-size: 14px; white-space: nowrap; }
}