/* Sistema visual compartido: landing y aplicación. Identidad blanca, roja y azul. */
:root {
  --navy-950: #041a33;
  --navy-900: #06223f;
  --navy: #09294d;
  --navy-700: #0f3d6e;
  --blue: #086fc9;
  --blue-500: #1a86e8;
  --blue-300: #6fb6f5;
  --blue-100: #e6f2fd;
  --red: #e63946;
  --red-600: #d02a38;
  --red-100: #fde8ea;
  --ink: #153654;
  --muted: #5d7590;
  --line: #dfe7f0;
  --bg: #f5f8fc;
  --white: #fff;
  --ok: #138a5b;
  --ok-100: #e3f6ed;
  --warn: #a8650a;
  --warn-100: #fdf1dd;

  --font: 'Manrope', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(9, 41, 77, .06);
  --shadow: 0 12px 34px rgba(9, 41, 77, .10);
  --shadow-lg: 0 30px 70px rgba(4, 26, 51, .22);
  --ease: cubic-bezier(.2, .8, .2, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { max-width: 100%; display: block; }
h1, h2, h3, h4 { margin: 0; line-height: 1.15; letter-spacing: -.025em; color: var(--navy); }
p { margin: 0; }
a { color: var(--blue); }
button { font: inherit; }

:focus-visible { outline: 3px solid var(--blue-300); outline-offset: 3px; border-radius: 6px; }

[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--navy); color: #fff; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }

/* ---------- botones ---------- */
.btn {
  --bg-btn: var(--blue);
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 48px; padding: 12px 22px;
  border: 0; border-radius: 12px;
  background: var(--bg-btn); color: #fff;
  font-weight: 750; font-size: 15px; text-decoration: none; letter-spacing: -.005em;
  cursor: pointer; overflow: hidden; isolation: isolate;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .2s;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--bg-btn) 32%, transparent);
}
.btn::after { /* brillo que recorre el botón */
  content: ''; position: absolute; inset: 0; z-index: -1;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,.32) 50%, transparent 70%);
  transform: translateX(-120%);
  transition: transform .7s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 14px 30px color-mix(in srgb, var(--bg-btn) 40%, transparent); }
.btn:hover::after { transform: translateX(120%); }
.btn:active { transform: translateY(0) scale(.98); }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; }
.btn-red { --bg-btn: var(--red); }
.btn-navy { --bg-btn: var(--navy); }
.btn-ghost { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--line); }
.btn-ghost:hover { box-shadow: inset 0 0 0 1.5px var(--blue-300); background: #fff; }
.btn-light { background: rgba(255,255,255,.1); color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.28); backdrop-filter: blur(8px); }
.btn-light:hover { background: rgba(255,255,255,.18); box-shadow: inset 0 0 0 1.5px rgba(255,255,255,.5); }
.btn-lg { min-height: 56px; padding: 15px 28px; font-size: 16px; border-radius: 14px; }
.btn-sm { min-height: 40px; padding: 8px 15px; font-size: 14px; border-radius: 10px; }
.btn-block { width: 100%; }
.btn .arrow { transition: transform .25s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

.spinner { width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid rgba(255,255,255,.35); border-top-color: #fff; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- formularios ---------- */
.field { display: grid; gap: 7px; margin-bottom: 16px; }
.field label { font-weight: 700; font-size: 14px; color: var(--navy); }
.input-wrap { position: relative; }
.input {
  width: 100%; min-height: 50px; padding: 12px 15px;
  border: 1.5px solid var(--line); border-radius: 12px; background: #fff;
  font: inherit; font-size: 16px; color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.input::placeholder { color: #9aacbf; }
.input:hover { border-color: #c4d3e3; }
.input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 4px rgba(8, 111, 201, .14); }
.input[aria-invalid='true'] { border-color: var(--red); box-shadow: 0 0 0 4px rgba(230, 57, 70, .1); }
textarea.input { min-height: 110px; resize: vertical; }
select.input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 36px; }
.field-error { color: var(--red-600); font-size: 13px; font-weight: 600; min-height: 0; }
.field-hint { color: var(--muted); font-size: 13px; }
.toggle-pass {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  border: 0; background: transparent; color: var(--muted); font-weight: 700; font-size: 13px;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
}
.toggle-pass:hover { color: var(--blue); background: var(--blue-100); }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--muted); cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--blue); flex-shrink: 0; }

.strength { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; margin-top: 2px; }
.strength span { height: 4px; border-radius: 4px; background: var(--line); transition: background .3s; }
.strength[data-level='1'] span:nth-child(-n+1) { background: var(--red); }
.strength[data-level='2'] span:nth-child(-n+2) { background: #f0a020; }
.strength[data-level='3'] span:nth-child(-n+3) { background: var(--blue-500); }
.strength[data-level='4'] span { background: var(--ok); }

.alert { display: flex; gap: 10px; align-items: flex-start; padding: 13px 15px; border-radius: 12px; font-size: 14px; font-weight: 600; margin-bottom: 16px; animation: pop .35s var(--ease); }
.alert-error { background: var(--red-100); color: #a01d2a; }
.alert-ok { background: var(--ok-100); color: #0d6c47; }
.alert-info { background: var(--blue-100); color: #0b5aa0; }
.alert-warn { background: var(--warn-100); color: #8a5208; }
@keyframes pop { from { opacity: 0; transform: translateY(-6px) scale(.98); } to { opacity: 1; transform: none; } }

.badge { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px; font-size: 12.5px; font-weight: 750; letter-spacing: .01em; background: var(--blue-100); color: var(--blue); }
.badge-red { background: var(--red-100); color: var(--red-600); }
.badge-ok { background: var(--ok-100); color: var(--ok); }
.badge-warn { background: var(--warn-100); color: var(--warn); }
.badge-muted { background: #edf2f7; color: var(--muted); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.dot-live { position: relative; }
.dot-live::after { content: ''; position: absolute; inset: -4px; border-radius: 50%; border: 2px solid currentColor; animation: ping 1.8s var(--ease) infinite; }
@keyframes ping { from { transform: scale(.5); opacity: 1; } to { transform: scale(1.8); opacity: 0; } }

/* Revelado al hacer scroll */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}

/* Logo aprobado con fondo transparente y margen (derivado de radar-migratorio-logo.png, que no se modifica). */
.logo {
  display: inline-block; height: 40px; aspect-ratio: 760 / 332;
  background: url('/assets/logo.png') no-repeat center / contain;
}