/* =========================================================
   Mi Calculadora Ecuador — Hoja de estilos compartida
   Mobile-first: primero se define el estilo para móvil,
   y con @media (min-width...) se adapta a pantallas grandes.
   ========================================================= */

/* ---- Paleta de colores y variables reutilizables ---- */
:root {
  --color-primary: #0B2A4A;       /* Azul oscuro (marca) */
  --color-primary-dark: #071D33;  /* Azul oscuro más intenso (hover) */
  --color-white: #FFFFFF;
  --color-gray-light: #F2F5F8;    /* Fondo gris claro de secciones */
  --color-gray: #6B7A8D;          /* Texto secundario */
  --color-border: #DCE3EA;
  --color-accent: #0E9F6E;        /* Verde azulado: seguridad/salud */
  --color-accent-dark: #0B7D57;
  --color-warning-bg: #FFF6E2;
  --color-warning-border: #F0B429;
  --color-warning-text: #7A5300;
  --color-danger-bg: #FDECEA;
  --color-danger-text: #B3261E;
  --color-success-bg: #E7F7F1;
  --color-success-text: #0B7D57;

  --radius: 12px;
  --shadow: 0 2px 10px rgba(11, 42, 74, 0.08);
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ---- Reset básico ---- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-primary);
  background: var(--color-white);
  line-height: 1.5;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: var(--color-accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; color: var(--color-primary); }
p { margin: 0 0 1em; }

.container {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding-inline: 16px;
}

/* =========================================================
   ENCABEZADO Y NAVEGACIÓN
   ========================================================= */
.site-header {
  background: var(--color-primary);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: 14px;
  gap: 12px;
}
.logo {
  color: var(--color-white);
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
}
.logo span { color: #8FD9C4; }
.logo:hover { text-decoration: none; }

.nav-toggle {
  background: none;
  border: none;
  color: var(--color-white);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}

.main-nav {
  display: none; /* oculto en móvil hasta que se abra */
  flex-direction: column;
  width: 100%;
  padding-bottom: 12px;
}
.main-nav.open { display: flex; }
.main-nav a {
  color: #E8EEF4;
  padding: 10px 4px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--color-white); text-decoration: none; }

@media (min-width: 760px) {
  .nav-toggle { display: none; }
  .main-nav {
    display: flex !important;
    flex-direction: row;
    width: auto;
    padding-bottom: 0;
    gap: 4px;
  }
  .main-nav a {
    border-top: none;
    padding: 8px 12px;
    border-radius: 8px;
  }
  .main-nav a:hover { background: rgba(255,255,255,0.1); }
}

/* =========================================================
   AVISOS / BANNERS (no oficial, privacidad)
   ========================================================= */
.disclaimer-banner {
  background: var(--color-warning-bg);
  border-bottom: 1px solid var(--color-warning-border);
  color: var(--color-warning-text);
  font-size: 0.85rem;
  padding-block: 10px;
  text-align: center;
}
.disclaimer-banner strong { display: block; }

.privacy-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--color-danger-bg);
  color: var(--color-danger-text);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.88rem;
  margin-block: 16px;
}
.privacy-note .icon { flex: none; font-size: 1.1rem; }

/* =========================================================
   HERO (portada)
   ========================================================= */
.hero {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-white);
  padding-block: 36px;
  text-align: center;
}
.hero h1 { color: var(--color-white); font-size: 1.6rem; }
.hero p.subtitle { color: #C9D6E1; font-size: 1rem; max-width: 640px; margin-inline: auto; }

/* Encabezado simple para páginas internas (calculadoras) */
.page-head {
  padding-block: 28px 16px;
  text-align: center;
}
.page-head h1 { font-size: 1.5rem; }
.page-head p { color: var(--color-gray); max-width: 620px; margin-inline: auto; }

/* =========================================================
   TARJETAS DEL MENÚ PRINCIPAL
   ========================================================= */
.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding-block: 24px;
}
@media (min-width: 640px) {
  .card-grid { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}

.tool-card {
  display: block;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  transition: transform .12s ease, box-shadow .12s ease;
}
.tool-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(11,42,74,0.14);
}
.tool-card .icon {
  width: 46px; height: 46px;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-accent);
  color: var(--color-white);
  border-radius: 10px;
  font-size: 1.4rem;
  margin-bottom: 12px;
}
.tool-card h2, .tool-card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.tool-card p { color: var(--color-gray); font-size: 0.9rem; margin: 0; }

/* =========================================================
   SECCIONES / TARJETAS GENERALES
   ========================================================= */
.section { padding-block: 24px; }
.section-light { background: var(--color-gray-light); }
.panel {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

/* =========================================================
   FORMULARIOS
   ========================================================= */
.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
}
.form-field .hint {
  display: block;
  color: var(--color-gray);
  font-size: 0.8rem;
  margin-top: 4px;
}
.form-field input[type="number"],
.form-field input[type="text"],
.form-field select {
  width: 100%;
  padding: 13px 14px;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-white);
  color: var(--color-primary);
}
.form-field input:focus,
.form-field select:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
}
.form-error {
  display: none;
  color: var(--color-danger-text);
  font-size: 0.82rem;
  margin-top: 6px;
}
.form-field.has-error input,
.form-field.has-error select { border-color: var(--color-danger-text); }
.form-field.has-error .form-error { display: block; }

/* =========================================================
   BOTONES (grandes y fáciles de tocar en móvil)
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 15px 18px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  min-height: 48px; /* tamaño táctil recomendado */
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--color-accent); color: var(--color-white); }
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-secondary { background: var(--color-gray-light); color: var(--color-primary); border: 1px solid var(--color-border); }
.btn-secondary:hover { background: #E4EAF0; }
.btn-row { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
@media (min-width: 500px) {
  .btn { width: auto; }
  .btn-row { flex-direction: row; }
}

/* =========================================================
   RESULTADOS
   ========================================================= */
.result-box {
  display: none; /* se muestra vía JS al calcular */
  margin-top: 24px;
  border: 1px solid var(--color-accent);
  background: var(--color-success-bg);
  border-radius: var(--radius);
  padding: 20px;
}
.result-box.visible { display: block; }
.result-box h3 { color: var(--color-success-text); font-size: 1.05rem; }

.result-list { list-style: none; margin: 0 0 12px; padding: 0; }
.result-list li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.95rem;
}
.result-list li:last-child { border-bottom: none; }
.result-list .valor { font-weight: 700; white-space: nowrap; }

.result-total {
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  margin-block: 14px;
}
.result-total .label { font-size: 0.82rem; color: #BFD3E3; text-transform: uppercase; letter-spacing: .04em; }
.result-total .amount { font-size: 1.7rem; font-weight: 800; }

.result-explain {
  font-size: 0.88rem;
  color: var(--color-gray);
  background: var(--color-gray-light);
  border-radius: 10px;
  padding: 12px 14px;
}

/* Tarjetas de condición (jubilación / cesantía) en lugar de tablas horizontales */
.condition-card {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 12px;
}
.condition-card.cumple { border-color: var(--color-accent); background: var(--color-success-bg); }
.condition-card.no-cumple { background: var(--color-white); }
.condition-card .cc-title { font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.status-pill {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
}
.status-pill.ok { background: var(--color-success-bg); color: var(--color-success-text); }
.status-pill.pending { background: var(--color-warning-bg); color: var(--color-warning-text); }
.status-pill.off { background: var(--color-gray-light); color: var(--color-gray); }
.condition-card .cc-detail { font-size: 0.88rem; color: var(--color-gray); margin: 0; }

/* =========================================================
   SELECTOR DE CAUSA (botones grandes tipo tarjeta)
   ========================================================= */
.causa-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
@media (min-width: 640px) {
  .causa-grid { grid-template-columns: 1fr 1fr; }
}
.causa-opt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 14px;
  cursor: pointer;
  background: var(--color-white);
}
.causa-opt input { width: 18px; height: 18px; flex: none; margin-top: 2px; }
.causa-opt .causa-title { font-weight: 700; display: block; }
.causa-opt .causa-desc { font-size: 0.85rem; color: var(--color-gray); }
.causa-opt.selected { border-color: var(--color-accent); background: var(--color-accent-soft, var(--color-success-bg)); }

.causa-explicacion {
  background: var(--color-gray-light);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 0.9rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}

/* =========================================================
   COMPARADOR DE ESCENARIOS
   ========================================================= */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}
@media (min-width: 760px) {
  .compare-grid { grid-template-columns: repeat(2, 1fr); }
}
.compare-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--color-white);
}
.compare-card h4 { margin-bottom: 8px; font-size: 1rem; }
.compare-card .compare-total {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary);
  margin-bottom: 10px;
}
.compare-card ul { list-style: none; margin: 0; padding: 0; }
.compare-card li {
  display: flex; justify-content: space-between; gap: 8px;
  font-size: 0.85rem; padding: 5px 0;
  border-bottom: 1px dashed var(--color-border);
}
.compare-card li:last-child { border-bottom: none; }
.compare-card li .off-text { color: var(--color-gray); }

/* =========================================================
   FUENTES Y VERIFICACIÓN / FAQ
   ========================================================= */
.sources-box {
  border-top: 1px solid var(--color-border);
  margin-top: 26px;
  padding-top: 18px;
  font-size: 0.9rem;
  color: var(--color-gray);
}
.sources-box h2 { font-size: 1.05rem; }

.faq-item { margin-bottom: 16px; }
.faq-item h3 { font-size: 1rem; margin-bottom: 4px; }
.faq-item p { color: var(--color-gray); font-size: 0.92rem; margin: 0; }

.internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}
.internal-links a {
  background: var(--color-gray-light);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--color-primary);
}
.internal-links a:hover { background: #E4EAF0; text-decoration: none; }

/* =========================================================
   PIE DE PÁGINA
   ========================================================= */
.site-footer {
  background: var(--color-primary-dark);
  color: #C9D6E1;
  margin-top: 40px;
  padding-block: 24px;
  font-size: 0.85rem;
}
.site-footer a { color: #9FD6C1; }
.site-footer p { margin-bottom: 10px; }

.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.hidden { display: none !important; }