/* ============================================================
   Acade — Landing · CSS propio, sin frameworks
   ============================================================ */

:root {
  --primary: #1E3A8A;      /* azul académico */
  --primary-light: #3B82F6;
  --accent: #F59E0B;       /* ámbar, para CTAs */
  --success: #10B981;
  --dark: #0F172A;
  --text: #1E293B;
  --muted: #64748B;
  --bg: #FFFFFF;
  --bg-alt: #F8FAFC;
  --navy-deep: #0F1D4D;   /* azul profundo para bloques oscuros */
  --blue-tint: #EDF3FF;   /* tinte azul para fondos de sección */
  --amber-tint: #FFF6E5;  /* tinte ámbar para fondos de sección */
  --radius: 16px;
  --border: #E2E8F0;
  --font-display: "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--dark);
  line-height: 1.2;
  margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

a { color: var(--primary); }

:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
  border-radius: 4px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-inline: 24px;
}

.container--narrow { max-width: 820px; }

.section { padding-block: 80px; }
.section--alt { background: var(--bg-alt); }

.section__title {
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 800;
  text-align: center;
  max-width: 22em;
  margin-inline: auto;
}

.section__sub {
  text-align: center;
  color: var(--muted);
  max-width: 36em;
  margin: 0 auto 2.5rem;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  text-align: center;
  border-radius: 12px;
  padding: 14px 28px;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
}

.btn--primary {
  background: var(--accent);
  color: var(--dark);
  box-shadow: 0 4px 14px rgba(245, 158, 11, .35);
}
.btn--primary:hover { background: #FBBF24; transform: translateY(-1px); }

.btn--secondary {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn--secondary:hover { background: rgba(30, 58, 138, .06); }

.btn--block { display: block; width: 100%; }
.btn--lg { padding: 18px 40px; font-size: 1.1rem; }
.btn--nav { padding: 10px 20px; font-size: .95rem; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(255, 255, 255, .85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, background-color .2s ease;
}
.navbar--scrolled {
  background: rgba(255, 255, 255, .97);
  border-bottom-color: var(--border);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 16px;
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--dark);
}

.navbar__logo-img {
  height: 50px;
  width: auto;
  display: block;
}

/* En el footer oscuro, el logo (fondo blanco) va dentro de una placa clara */
.navbar__logo-img--footer {
  height: 32px;
  background: #fff;
  border-radius: 8px;
  padding: 5px 10px;
}

.navbar__links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.navbar__links > a:not(.btn) {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  font-size: .95rem;
}
.navbar__links > a:not(.btn):hover { color: var(--primary); }

.navbar__burger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}
.navbar__burger span {
  display: block;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.navbar__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.navbar__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  padding: 148px 0 90px;
  background:
    radial-gradient(900px 500px at 88% 0%, rgba(245, 158, 11, .18), transparent 55%),
    radial-gradient(800px 500px at -5% 100%, rgba(59, 130, 246, .30), transparent 60%),
    linear-gradient(155deg, var(--navy-deep) 0%, var(--primary) 55%, #2749A8 100%);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 158, 11, .16);
  color: #FCD34D;
  font-weight: 600;
  font-size: .85rem;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.1rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.hero__sub {
  font-size: 1.12rem;
  color: #C7D4F2;
  max-width: 32em;
  margin-bottom: 28px;
}

.hero .btn--secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, .5);
}
.hero .btn--secondary:hover { background: rgba(255, 255, 255, .1); }

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 18px;
}

.hero__trust {
  font-size: .88rem;
  color: #9FB3E0;
  margin: 0;
}

/* Mockup del navegador */
.hero__visual { position: relative; }

.browser {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 24px 60px rgba(15, 23, 42, .14);
  overflow: hidden;
}

.browser__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.browser__dot { width: 10px; height: 10px; border-radius: 50%; background: #CBD5E1; }
.browser__url {
  margin-left: 10px;
  font-size: .75rem;
  color: var(--muted);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 12px;
}

.browser__body { display: flex; min-height: 300px; }

.mock-side {
  width: 52px;
  background: var(--primary);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.mock-side__item {
  height: 8px;
  border-radius: 4px;
  background: rgba(255, 255, 255, .35);
}
.mock-side__item--active { background: var(--accent); }

.mock-main { flex: 1; padding: 18px 20px; }

.mock-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .9rem;
  color: var(--dark);
  margin-bottom: 14px;
}

.mock-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}
.mock-stat {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
}
.mock-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--dark);
}
.mock-stat span { font-size: .68rem; color: var(--muted); }
.mock-stat--ok strong { color: var(--success); }

.mock-rank__head {
  font-size: .75rem;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 8px;
}
.mock-rank__row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-size: .8rem;
}
.mock-rank__row em {
  font-style: normal;
  font-weight: 700;
  color: var(--primary);
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}
.mock-rank__row span { width: 88px; flex-shrink: 0; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mock-rank__row i {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary-light), var(--primary));
  transform-origin: left;
  max-width: var(--w, 50%);
}
.mock-rank__row b { color: var(--dark); font-size: .78rem; }

.mock-rank--lg .mock-rank__row { font-size: .88rem; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.mock-rank--lg .mock-rank__row:last-child { border-bottom: none; }
.mock-rank--lg .mock-rank__row span { width: 170px; }

/* Chips flotantes del hero */
.hero__chip {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, .12);
  padding: 8px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: var(--dark);
}
.hero__chip svg { color: var(--success); flex-shrink: 0; }
.hero__chip--qr { top: -16px; right: 8px; }
.hero__chip--pay { bottom: -14px; left: -6px; }

/* ---------- Problemas ---------- */
.problems {
  background: linear-gradient(180deg, var(--amber-tint) 0%, #FFFBF2 100%);
}
.problems .section__title { margin-bottom: 2.2rem; }

.problems__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.problem-card {
  background: #fff;
  border: 1px solid #F5DFB3;
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 6px 18px rgba(180, 83, 9, .06);
}
.problem-card svg {
  width: 46px; height: 46px;
  padding: 10px;
  border-radius: 12px;
  background: rgba(245, 158, 11, .16);
  color: #B45309;
  margin-bottom: 12px;
}
.problem-card p { margin: 0; font-size: .93rem; color: var(--text); }

/* ---------- Funciones ---------- */
.features {
  background:
    radial-gradient(900px 420px at 50% -5%, rgba(59, 130, 246, .09), transparent 70%),
    var(--bg);
}
.features .section__title { margin-bottom: 2.5rem; }

.features__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: box-shadow .2s ease, transform .2s ease;
}
.feature-card:hover {
  box-shadow: 0 14px 34px rgba(15, 23, 42, .09);
  transform: translateY(-2px);
}
.feature-card__icon {
  width: 46px; height: 46px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(30, 58, 138, .08);
  color: var(--primary);
  margin-bottom: 14px;
}
.feature-card__icon svg { width: 24px; height: 24px; }

/* Chips de íconos con colores rotados */
.features__grid .feature-card:nth-child(4n+2) .feature-card__icon {
  background: rgba(245, 158, 11, .16);
  color: #B45309;
}
.features__grid .feature-card:nth-child(4n+3) .feature-card__icon {
  background: rgba(16, 185, 129, .14);
  color: #047857;
}
.features__grid .feature-card:nth-child(4n) .feature-card__icon {
  background: rgba(139, 92, 246, .14);
  color: #6D28D9;
}
.feature-card h3 { font-size: 1.05rem; font-weight: 700; }
.feature-card p { margin: 0; font-size: .9rem; color: var(--muted); }

/* ---------- Cómo funciona ---------- */
.steps {
  background:
    radial-gradient(700px 350px at 90% 10%, rgba(245, 158, 11, .14), transparent 60%),
    linear-gradient(150deg, var(--primary) 0%, #16307E 60%, var(--navy-deep) 100%);
}
.steps .section__title { color: #fff; margin-bottom: 2.5rem; }

.steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.step {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: var(--radius);
  padding: 30px 26px;
  text-align: center;
}
.step__num {
  width: 46px; height: 46px;
  margin: 0 auto 16px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: var(--dark);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
}
.step h3 { font-size: 1.1rem; color: #fff; }
.step p { margin: 0; color: #C7D4F2; font-size: .95rem; }

/* ---------- Destacados (simulacros / cobros) ---------- */
.highlight--reverse {
  background: linear-gradient(180deg, var(--blue-tint) 0%, #F7FAFF 100%);
}

.highlight__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.highlight--reverse .highlight__visual { order: 2; }
.highlight--reverse .highlight__copy { order: 1; }

.highlight__copy h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 800; }
.highlight__copy > p { color: var(--muted); font-size: 1.02rem; }

.mock-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(15, 23, 42, .10);
  padding: 22px;
}
.mock-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .92rem;
  color: var(--dark);
  margin-bottom: 14px;
}
.mock-card__foot {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-size: .8rem;
  color: var(--muted);
}

.mock-tag {
  font-size: .72rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(30, 58, 138, .08);
  border-radius: 999px;
  padding: 4px 10px;
  white-space: nowrap;
}
.mock-tag--ok { color: #067857; background: rgba(16, 185, 129, .12); }
.mock-tag--ok-text { color: #067857; font-weight: 600; font-size: .8rem; }
.mock-tag--warn-text { color: #B45309; font-weight: 600; font-size: .8rem; }

.mock-pay { display: flex; gap: 18px; align-items: center; }
.mock-pay__qr {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  font-size: .72rem;
  color: var(--muted);
}
.mock-pay__qr svg { width: 62px; height: 62px; color: var(--dark); }
.mock-pay__list { flex: 1; }
.mock-pay__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--border);
  font-size: .9rem;
}
.mock-pay__row:last-child { border-bottom: none; }

/* ---------- Checklist ---------- */
.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}
.checklist li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: .95rem;
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(16, 185, 129, .15) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23059669' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center / 11px no-repeat;
}

/* ---------- Para quién es ---------- */
.roles .section__title { margin-bottom: 2.5rem; }

.roles__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.role-card {
  background: #fff;
  border: 1px solid var(--border);
  border-top: 4px solid var(--primary-light);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow .2s ease;
}
.role-card:hover { box-shadow: 0 14px 34px rgba(15, 23, 42, .09); }

.roles__grid .role-card:nth-child(2) { border-top-color: var(--accent); }
.roles__grid .role-card:nth-child(2) .feature-card__icon {
  background: rgba(245, 158, 11, .16);
  color: #B45309;
}
.roles__grid .role-card:nth-child(3) { border-top-color: var(--success); }
.roles__grid .role-card:nth-child(3) .feature-card__icon {
  background: rgba(16, 185, 129, .14);
  color: #047857;
}
.role-card h3 { font-size: 1.15rem; margin-bottom: 14px; }
.role-card .checklist li { color: var(--muted); font-size: .92rem; }

/* ---------- Precios ---------- */
.pricing {
  background:
    radial-gradient(800px 400px at 15% 0%, rgba(59, 130, 246, .10), transparent 60%),
    linear-gradient(180deg, var(--blue-tint) 0%, #fff 100%);
}

.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.price-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  display: flex;
  flex-direction: column;
}
.price-card h3 { font-size: 1.2rem; }
.price-card .checklist { flex: 1; margin-bottom: 22px; }
.price-card .checklist li { font-size: .92rem; color: var(--text); }
.price-card--featured .checklist li::before { background-color: rgba(16, 185, 129, .35); }

.price-card--featured {
  background: linear-gradient(165deg, var(--primary) 0%, #16307E 70%, var(--navy-deep) 100%);
  border: 2px solid var(--primary);
  box-shadow: 0 20px 50px rgba(30, 58, 138, .28);
}
.price-card--featured h3 { color: #fff; }
.price-card--featured .price-card__price { color: #fff; }
.price-card--featured .price-card__price small { color: #B9C7EC; }
.price-card--featured .checklist li { color: #E4EAFB; }

.price-card__flag {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--dark);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .78rem;
  padding: 4px 16px;
  border-radius: 999px;
  white-space: nowrap;
  margin: 0;
}

.price-card__price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2rem;
  color: var(--dark);
  margin-bottom: 20px;
}
.price-card__price small {
  font-size: .85rem;
  font-weight: 600;
  color: var(--muted);
}

.pricing__note {
  text-align: center;
  color: var(--muted);
  font-size: .9rem;
  margin-top: 28px;
}

/* ---------- Testimonios ---------- */
.testimonials .section__title { margin-bottom: 2.5rem; }

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.testimonial {
  margin: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex;
  flex-direction: column;
}
.testimonial::before {
  content: "\201C";
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 800;
  line-height: .6;
  color: var(--primary-light);
  margin-bottom: 14px;
}
.testimonials__grid .testimonial:nth-child(2)::before { color: var(--accent); }
.testimonials__grid .testimonial:nth-child(3)::before { color: var(--success); }
.testimonial blockquote {
  margin: 0 0 18px;
  font-size: .95rem;
  color: var(--muted);
  flex: 1;
}
.testimonial figcaption strong {
  display: block;
  font-family: var(--font-display);
  color: var(--dark);
}
.testimonial figcaption span { font-size: .85rem; color: var(--muted); }

/* ---------- FAQ ---------- */
.faq {
  background: linear-gradient(180deg, #FFFBF2 0%, var(--amber-tint) 100%);
}
.faq .section__title { margin-bottom: 2rem; }

.faq__item {
  background: #fff;
  border: 1px solid #F5DFB3;
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
}

.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  padding: 18px 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--dark);
  text-align: left;
}
.faq__q svg {
  width: 20px; height: 20px;
  flex-shrink: 0;
  color: var(--muted);
  transition: transform .25s ease;
}
.faq__q[aria-expanded="true"] svg { transform: rotate(180deg); }

.faq__a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}
.faq__a > p {
  overflow: hidden;
  margin: 0;
  padding: 0 20px;
  color: var(--muted);
  transition: padding .3s ease;
}
.faq__item--open .faq__a { grid-template-rows: 1fr; }
.faq__item--open .faq__a > p { padding-bottom: 18px; }

/* ---------- CTA final ---------- */
.cta-final {
  background:
    radial-gradient(600px 320px at 85% 15%, rgba(245, 158, 11, .22), transparent 60%),
    radial-gradient(500px 300px at 5% 90%, rgba(59, 130, 246, .28), transparent 60%),
    linear-gradient(135deg, var(--primary) 0%, #172B68 100%);
  text-align: center;
}
.cta-final h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  font-weight: 800;
}
.cta-final p {
  color: rgba(255, 255, 255, .8);
  max-width: 34em;
  margin: 0 auto 28px;
  font-size: 1.05rem;
}

/* ---------- Contacto ---------- */
.contact {
  background: linear-gradient(180deg, #fff 0%, var(--blue-tint) 100%);
}

.contact__form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: 0 12px 34px rgba(15, 23, 42, .06);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.form-field { margin-bottom: 18px; }
.form-field label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  color: var(--dark);
  margin-bottom: 6px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: .95rem;
  color: var(--text);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color .15s ease;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  background: #fff;
}
.form-field textarea { resize: vertical; }

.form-status {
  min-height: 1.2em;
  font-size: .9rem;
  font-weight: 600;
  margin: 0 0 12px;
}
.form-status--ok { color: var(--success); }
.form-status--error { color: #DC2626; }

.contact__alt {
  text-align: center;
  font-size: .88rem;
  color: var(--muted);
  margin: 16px 0 0;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--dark);
  color: #CBD5E1;
  padding-top: 60px;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
}

.footer__brand p { font-size: .9rem; color: #94A3B8; max-width: 26em; }
.navbar__logo--footer { color: #fff; margin-bottom: 12px; }

.footer__col { display: flex; flex-direction: column; gap: 10px; }
.footer__col h4 {
  color: #fff;
  font-size: .95rem;
  margin-bottom: 4px;
}
.footer__col a {
  color: #CBD5E1;
  text-decoration: none;
  font-size: .9rem;
}
.footer__col a:hover { color: #fff; text-decoration: underline; }
.footer__col span { font-size: .9rem; color: #94A3B8; }

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-block: 20px;
  text-align: center;
}
.footer__bottom p { margin: 0; font-size: .85rem; color: #94A3B8; }

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  box-shadow: 0 10px 26px rgba(37, 211, 102, .45);
  transition: transform .15s ease;
}
.wa-float:hover { transform: scale(1.07); }

/* ---------- Animación de aparición ---------- */
.fade-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.fade-up.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-up { opacity: 1; transform: none; transition: none; }
  .btn, .wa-float, .feature-card { transition: none; }
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .problems__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .section { padding-block: 60px; }

  .hero { padding: 120px 0 60px; }
  .hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .hero__visual { max-width: 560px; }
  .hero__chip--qr { top: -14px; right: 0; }
  .hero__chip--pay { bottom: -12px; left: 0; }

  .highlight__inner { grid-template-columns: 1fr; gap: 32px; }
  .highlight--reverse .highlight__visual { order: 0; }
  .highlight--reverse .highlight__copy { order: 0; }

  .steps__grid,
  .roles__grid,
  .pricing__grid,
  .testimonials__grid { grid-template-columns: 1fr; }

  .price-card--featured { order: -1; }

  .footer__inner { grid-template-columns: 1fr 1fr; }

  /* Menú móvil */
  .navbar__burger { display: flex; }
  .navbar__links {
    position: fixed;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(15, 23, 42, .12);
    padding: 8px 24px 20px;
    display: none;
  }
  .navbar__links.is-open { display: flex; }
  .navbar__links > a:not(.btn) {
    padding: 14px 0;
    border-bottom: 1px solid var(--bg-alt);
    font-size: 1rem;
  }
  .navbar__links .btn { margin-top: 14px; }
}

@media (max-width: 560px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card { padding: 20px 16px; }
  .problems__grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .mock-pay { flex-direction: column; align-items: stretch; }
  .mock-pay__qr { flex-direction: row; justify-content: center; }
  .mock-rank--lg .mock-rank__row span { width: 120px; }
  .footer__inner { grid-template-columns: 1fr; }
  .contact__form { padding: 24px 18px; }
  .hero__actions .btn { width: 100%; }
}