/* Mapotas — landing estática (sin framework, mobile-first, WCAG 2.1 AA).
   Paleta de marca: app_theme.dart (mobile). */

:root {
  --primary: #54D6A8;
  --primary-dark: #1F8A70;
  --background: #F8FAFB;
  --surface: #FFFFFF;
  --ink: #263238;
  --secondary-text: #607D8B;
  --mint: #E8F8F2;
  --border: #E1EBE8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: var(--background);
  line-height: 1.6;
  font-size: 1rem;
}

.envoltorio {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.salto {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--primary-dark);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: 0 0 0.5rem 0;
  z-index: 10;
}

.salto:focus {
  left: 0;
}

a {
  color: var(--primary-dark);
  text-decoration: underline;
  text-underline-offset: 2px;
}

a:hover,
a:focus {
  color: var(--ink);
}

:focus-visible {
  outline: 3px solid var(--primary-dark);
  outline-offset: 2px;
}

/* Cabecera */
.cabecera {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 5;
}

.cabecera .envoltorio {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.75rem;
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
  font-size: 1.15rem;
}

.marca-icono {
  font-size: 1.4rem;
}

.cabecera nav {
  display: flex;
  gap: 1.25rem;
}

.cabecera nav a {
  color: var(--secondary-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.cabecera nav a:hover,
.cabecera nav a:focus {
  color: var(--primary-dark);
}

/* Hero */
.hero {
  background: linear-gradient(160deg, var(--mint) 0%, var(--surface) 100%);
  padding: 4rem 0 3.5rem;
  text-align: center;
}

.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 3.1rem);
  line-height: 1.15;
  max-width: 20ch;
  margin: 0 auto 1rem;
}

.hero h1 span {
  color: var(--primary-dark);
}

.hero-sub {
  max-width: 48ch;
  margin: 0 auto 1.75rem;
  color: var(--secondary-text);
  font-size: clamp(1rem, 2vw, 1.15rem);
}

.boton-primario {
  display: inline-block;
  background: var(--primary-dark);
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  padding: 0.85rem 2.2rem;
  border-radius: 2rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  box-shadow: 0 4px 14px rgba(31, 138, 112, 0.3);
}

.boton-primario:hover,
.boton-primario:focus {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(31, 138, 112, 0.4);
}

.hero-nota {
  margin-top: 0.9rem;
  font-size: 0.85rem;
  color: var(--secondary-text);
}

/* Features */
.features {
  padding: 3.5rem 0;
}

.features h2,
.como-funciona h2,
.municipios h2,
.cta-final h2 {
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 2rem;
}

.rejilla {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.25rem;
}

.tarjeta {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1rem;
  padding: 1.5rem;
}

.icono {
  width: 3rem;
  height: 3rem;
  border-radius: 0.85rem;
  background: var(--mint);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  margin-bottom: 1rem;
}

.icono svg {
  width: 1.6rem;
  height: 1.6rem;
}

.tarjeta h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.tarjeta p {
  font-size: 0.95rem;
  color: var(--secondary-text);
}

/* Cómo funciona */
.como-funciona {
  background: var(--surface);
  border-block: 1px solid var(--border);
  padding: 3.5rem 0;
}

.pasos {
  list-style: none;
  display: grid;
  gap: 1.25rem;
  max-width: 720px;
  margin: 0 auto;
}

.pasos li {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.paso-numero {
  flex-shrink: 0;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  background: var(--primary-dark);
  color: #fff;
  font-weight: 700;
  display: grid;
  place-items: center;
  font-size: 1.15rem;
}

.pasos h3 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.pasos p {
  color: var(--secondary-text);
  font-size: 0.95rem;
}

/* Municipios (B2G) */
.municipios {
  padding: 3.5rem 0;
}

.municipios-intro {
  max-width: 60ch;
  margin: 0 auto 1.5rem;
  text-align: center;
  color: var(--secondary-text);
}

.municipios-lista {
  list-style: none;
  max-width: 720px;
  margin: 0 auto 1.5rem;
  display: grid;
  gap: 0.75rem;
}

.municipios-lista li {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 0.9rem 1.1rem;
  padding-left: 2.4rem;
  position: relative;
}

.municipios-lista li::before {
  content: "✓";
  position: absolute;
  left: 1rem;
  color: var(--primary-dark);
  font-weight: 700;
}

.municipios-contacto {
  text-align: center;
  color: var(--secondary-text);
}

/* CTA final */
.cta-final {
  background: linear-gradient(160deg, var(--primary-dark) 0%, var(--primary) 100%);
  color: #fff;
  padding: 3.5rem 0;
  text-align: center;
}

.cta-final h2 {
  margin-bottom: 1.5rem;
}

.cta-final .boton-primario {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
}

.cta-final .boton-primario:hover,
.cta-final .boton-primario:focus {
  color: var(--ink);
}

/* Pie */
.pie {
  background: var(--ink);
  color: #fff;
  padding: 2rem 0;
}

.pie-marca {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.pie nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  margin-bottom: 1rem;
}

.pie nav a {
  color: #cfe8e0;
}

.pie nav a:hover,
.pie nav a:focus {
  color: #fff;
}

.pie-nota {
  font-size: 0.85rem;
  color: #9fb4ac;
}

/* Páginas legales (privacidad, aviso legal, términos) */
.legal {
  padding: 2.5rem 0 3.5rem;
}

.legal .envoltorio {
  max-width: 760px;
}

.legal h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  margin-bottom: 1.5rem;
}

.legal h2 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.legal h2:first-of-type {
  border-top: none;
}

.legal p,
.legal li {
  color: var(--secondary-text);
  font-size: 0.97rem;
}

.legal ul,
.legal ol {
  margin: 0.75rem 0 0.75rem 1.4rem;
}

.legal table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.92rem;
}

.legal th,
.legal td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.7rem;
  text-align: left;
  vertical-align: top;
}

.legal th {
  background: var(--mint);
  color: var(--ink);
}

.legal strong {
  color: var(--ink);
}

.legal em {
  display: block;
  margin: 0.75rem 0;
  color: var(--secondary-text);
  font-size: 0.9rem;
}

/* Móvil pequeño */
@media (max-width: 480px) {
  .cabecera nav a:first-child {
    display: none;
  }
}