:root {
  --brand: #2563eb;
  --brand-dark: #1d4ed8;
  --brand-light: #eaf1ff;
  --surface: #ffffff;
  --page: #fcfcfb;
  --ink: #0b0b0b;
  --ink-soft: #3f3e3a;
  --ink-muted: #85837c;
  --border: #e7e5df;
  --good: #0a7a2f;
  --bad: #d03b3b;

  --accent-1: #2a78d6;
  --accent-2: #1baf7a;
  --accent-3: #eda100;
  --accent-4: #e34948;
  --accent-5: #4a3aa7;
  --accent-6: #eb6834;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; }

.envoltorio { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* ---- Nav ---- */

.nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(252, 252, 251, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav .envoltorio {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  padding-bottom: 14px;
}
.nav-marca { font-size: 19px; font-weight: 800; display: flex; align-items: center; gap: 8px; }
.nav-links { display: flex; gap: 28px; font-size: 14px; font-weight: 600; color: var(--ink-soft); }
.nav-links a:hover { color: var(--brand); }
.nav-cta { display: none; }
@media (min-width: 720px) { .nav-cta { display: inline-flex; } }

.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 24px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.boton-primario { background: var(--brand); color: #fff; box-shadow: 0 6px 16px rgba(37, 99, 235, 0.28); }
.boton-primario:hover { background: var(--brand-dark); transform: translateY(-1px); }
.boton-secundario { background: #fff; color: var(--ink); border: 1.5px solid var(--border); }
.boton-secundario:hover { border-color: var(--brand); color: var(--brand); }
.boton-chico { padding: 10px 18px; font-size: 13px; }

/* ---- Hero ---- */

.hero { padding: 72px 0 56px; }
.hero .envoltorio {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 940px) {
  .hero .envoltorio { grid-template-columns: 1.05fr 0.95fr; gap: 24px; }
}

.badge-pais {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand-light);
  color: var(--brand-dark);
  font-size: 12.5px;
  font-weight: 700;
  padding: 7px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(32px, 4.6vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.hero h1 span { color: var(--brand); }

.hero-sub {
  font-size: clamp(16px, 1.6vw, 19px);
  color: var(--ink-soft);
  line-height: 1.55;
  max-width: 540px;
  margin: 0 0 30px;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
.hero-nota { font-size: 13px; color: var(--ink-muted); }

/* ---- Mockup ilustrativo (no es una captura real) ---- */

.mockup-frame {
  background: #111;
  border-radius: 34px;
  padding: 14px;
  max-width: 300px;
  margin: 0 auto;
  box-shadow: 0 30px 60px -20px rgba(11, 11, 11, 0.35);
}
.mockup-screen { background: #fff; border-radius: 22px; padding: 18px 16px 22px; }
.mockup-topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.mockup-topbar strong { font-size: 14px; }
.mockup-pill { font-size: 10px; font-weight: 700; background: var(--brand-light); color: var(--brand-dark); padding: 3px 9px; border-radius: 10px; }
.mockup-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 8px; border-radius: 10px; margin-bottom: 8px; background: #fafafa; border: 1px solid var(--border);
}
.mockup-item.ok { background: #f2faf4; border-color: #d3ecd9; }
.mockup-check { width: 20px; height: 20px; border-radius: 6px; flex: none; display: flex; align-items: center; justify-content: center; font-size: 12px; color: #fff; background: var(--ink-muted); }
.mockup-item.ok .mockup-check { background: var(--good); }
.mockup-texto { font-size: 12.5px; font-weight: 600; }
.mockup-sub { font-size: 10.5px; color: var(--ink-muted); margin-top: 1px; }
.mockup-boton {
  margin-top: 14px; text-align: center; background: var(--good); color: #fff;
  font-size: 12.5px; font-weight: 700; padding: 11px; border-radius: 9px;
}

/* ---- Secciones genéricas ---- */

section { padding: 72px 0; }
.seccion-titulo { text-align: center; max-width: 640px; margin: 0 auto 44px; }
.seccion-eyebrow {
  font-size: 12.5px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--brand); margin-bottom: 10px;
}
.seccion-titulo h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 12px; letter-spacing: -0.01em; }
.seccion-titulo p { color: var(--ink-soft); font-size: 16px; line-height: 1.55; margin: 0; }

/* ---- Antes / Después ---- */

.contraste { background: var(--surface); }
.contraste-grid {
  display: grid; grid-template-columns: 1fr; gap: 20px;
}
@media (min-width: 800px) { .contraste-grid { grid-template-columns: 1fr 1fr; gap: 24px; } }

.contraste-card { border-radius: 18px; padding: 30px 28px; border: 1.5px solid var(--border); }
.contraste-card.malo { background: #fdf6f5; border-color: #f3d9d6; }
.contraste-card.bueno { background: #f4faf5; border-color: #d3ecd9; }
.contraste-card h3 { font-size: 17px; margin: 0 0 18px; display: flex; align-items: center; gap: 8px; }
.contraste-lista { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.contraste-lista li { display: flex; gap: 10px; font-size: 14.5px; line-height: 1.5; color: var(--ink-soft); }
.contraste-lista .icono { flex: none; font-size: 15px; margin-top: 1px; }

/* ---- Cómo funciona ---- */

.pasos { background: var(--page); }
.pasos-grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 760px) { .pasos-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.paso { text-align: left; }
.paso-num {
  width: 38px; height: 38px; border-radius: 10px; background: var(--brand); color: #fff;
  font-weight: 800; font-size: 15px; display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
}
.paso h3 { font-size: 16.5px; margin: 0 0 8px; }
.paso p { font-size: 14px; color: var(--ink-soft); line-height: 1.55; margin: 0; }

/* ---- Caso real ---- */

.caso { background: var(--page); }
.caso-card {
  max-width: 760px; margin: 0 auto; background: var(--surface);
  border: 1.5px solid var(--border); border-radius: 20px; padding: 40px clamp(22px, 5vw, 48px);
  position: relative;
}
.caso-badge {
  display: inline-block; background: var(--brand-light); color: var(--brand-dark);
  font-size: 11.5px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 5px 12px; border-radius: 20px; margin-bottom: 20px;
}
.caso-quote {
  font-size: clamp(17px, 2.2vw, 21px); font-weight: 600; line-height: 1.5; color: var(--ink);
  margin: 0 0 24px;
}
.caso-autor { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.caso-avatar {
  width: 42px; height: 42px; border-radius: 50%; background: var(--brand); color: #fff;
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 16px; flex: none;
}
.caso-autor strong { display: block; font-size: 14.5px; }
.caso-autor span { display: block; font-size: 12.5px; color: var(--ink-muted); margin-top: 1px; }
.caso-nota { font-size: 13.5px; color: var(--ink-soft); line-height: 1.6; margin: 0; padding-top: 20px; border-top: 1px solid var(--border); }

/* ---- Features ---- */

.features { background: var(--surface); }
.features-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 640px) { .features-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 980px) { .features-grid { grid-template-columns: repeat(3, 1fr); } }

.feature-card {
  border: 1.5px solid var(--border); border-radius: 16px; padding: 24px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.feature-card:hover { border-color: var(--brand); transform: translateY(-2px); }
.feature-icono {
  width: 42px; height: 42px; border-radius: 11px; display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 14px; color: #fff;
}
.feature-card h3 { font-size: 15.5px; margin: 0 0 8px; }
.feature-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; margin: 0; }

/* ---- Para quién ---- */

.paraquien { background: var(--page); }
.paraquien-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 760px) { .paraquien-grid { grid-template-columns: repeat(3, 1fr); } }
.paraquien-card { background: var(--surface); border: 1.5px solid var(--border); border-radius: 16px; padding: 26px; text-align: center; }
.paraquien-card .emoji { font-size: 28px; margin-bottom: 12px; }
.paraquien-card h3 { font-size: 15.5px; margin: 0 0 8px; }
.paraquien-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; margin: 0; }

/* ---- Confianza / offline ---- */

.confianza { background: var(--surface); }
.confianza-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
@media (min-width: 760px) { .confianza-grid { grid-template-columns: repeat(2, 1fr); } }
.confianza-item { display: flex; gap: 14px; }
.confianza-item .icono { font-size: 22px; flex: none; }
.confianza-item h3 { font-size: 15px; margin: 0 0 6px; }
.confianza-item p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.5; margin: 0; }

/* ---- FAQ ---- */

.faq { background: var(--page); }
.faq-lista { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--surface); border: 1.5px solid var(--border); border-radius: 14px; padding: 4px 22px; }
.faq-item summary {
  cursor: pointer; list-style: none; padding: 18px 0; font-weight: 700; font-size: 15px;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; font-size: 20px; color: var(--brand); flex: none; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { font-size: 14px; color: var(--ink-soft); line-height: 1.6; margin: 0 0 18px; }

/* ---- CTA final ---- */

.cta-final { background: linear-gradient(135deg, var(--brand) 0%, var(--brand-dark) 100%); color: #fff; text-align: center; }
.cta-final h2 { font-size: clamp(24px, 3.2vw, 34px); margin: 0 0 14px; letter-spacing: -0.01em; }
.cta-final p { font-size: 16px; opacity: 0.92; max-width: 520px; margin: 0 auto 30px; line-height: 1.55; }
.cta-final .boton-primario { background: #fff; color: var(--brand-dark); box-shadow: none; }
.cta-final .boton-primario:hover { background: #f2f2f2; }

/* ---- Footer ---- */

footer { background: #111; color: #cfcfcf; padding: 48px 0 28px; }
.footer-grid { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 28px; margin-bottom: 28px; }
.footer-marca { font-weight: 800; font-size: 17px; color: #fff; margin-bottom: 8px; }
.footer-marca-sub { font-size: 13px; color: #9a9a9a; max-width: 280px; line-height: 1.5; }
.footer-links { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-links h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 0.05em; color: #8a8a8a; margin: 0 0 12px; }
.footer-links ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 13.5px; color: #d5d5d5; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #262626; padding-top: 20px; font-size: 12.5px; color: #8a8a8a; }