/* Colores de FunkyWhat (los mismos de la app: static/css/app.css) */
:root {
  --verde: #40ff51;
  --verde-osc: #1fd332;
  --verde-texto: #0b7a17;
  --verde-marca: #3f7d5c;
  --verde-bg: #e3fbe6;
  --indigo: #0f1b45;
  --indigo-mid: #19255c;
  --lila: #c8c5f0;
  --bg: #fcfcfc;
  --fg: #0b0b0b;
  --muted-fg: #5a5a5a;
  --border: #dedede;
  --suave: #f3f6f4;
  --radius: 14px;
  --sombra: 0 1px 2px rgba(0,0,0,.05), 0 10px 30px rgba(15,27,69,.10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: "Poppins", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .5em; }
h1 { font-size: clamp(2.1rem, 4.6vw, 3.5rem); font-weight: 800; letter-spacing: -.02em; }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 700; letter-spacing: -.01em; }
h3 { font-size: 1.12rem; font-weight: 600; }
p { margin: 0 0 1em; }

.contenedor { width: min(1160px, 92vw); margin: 0 auto; }
.angosto { max-width: 720px; margin-left: auto; margin-right: auto; }
.centro { text-align: center; }
.chico { font-size: .9rem; opacity: .8; }

.etiqueta {
  display: inline-block;
  font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--verde-texto);
  margin-bottom: .6rem;
}
p.etiqueta.centro { display: block; }
.bajada { font-size: 1.12rem; color: var(--muted-fg); }
.resaltado {
  background: linear-gradient(transparent 62%, var(--verde) 62%);
  padding: 0 .1em;
}

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  background: var(--verde); color: var(--indigo);
  font: inherit; font-weight: 600; text-decoration: none;
  padding: .8rem 1.4rem; border-radius: 10px; border: 2px solid var(--verde);
  cursor: pointer; transition: transform .15s, background .15s, box-shadow .15s;
}
.btn:hover { background: var(--verde-osc); border-color: var(--verde-osc); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(31,211,50,.3); }
.btn-borde { background: transparent; border-color: var(--indigo); }
.btn-borde:hover { background: var(--indigo); color: #fff; border-color: var(--indigo); box-shadow: none; }
.btn-chico { padding: .45rem 1rem; }
.btn-ancho { width: 100%; }

/* Barra de navegación */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(252,252,252,.85); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav-fila { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.marca { display: inline-flex; align-items: center; gap: .55rem; font-weight: 700; font-size: 1.2rem; text-decoration: none; }
.logo {
  display: inline-grid; place-items: center; width: 34px; height: 34px;
  background: var(--verde); color: var(--indigo); border-radius: 9px; font-weight: 800;
}
.nav-links { display: flex; align-items: center; gap: 1.6rem; }
.nav-links a:not(.btn) { text-decoration: none; font-weight: 500; color: var(--muted-fg); }
.nav-links a:not(.btn):hover { color: var(--fg); }
.hamburguesa { display: none; background: none; border: 0; font-size: 1.6rem; cursor: pointer; }

/* Hero */
.hero {
  padding: 4.5rem 0 4rem;
  background:
    radial-gradient(900px 400px at 85% 10%, var(--verde-bg), transparent 70%),
    radial-gradient(700px 400px at 0% 100%, #eceafc, transparent 70%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 3rem; align-items: center; }
.acciones { display: flex; flex-wrap: wrap; gap: .8rem; margin: 1.6rem 0; }
.chequeos { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; color: var(--muted-fg); font-size: .95rem; }
.chequeos li::before { content: "✓"; color: var(--verde-texto); font-weight: 700; margin-right: .4rem; }

/* Ventana con captura */
.ventana {
  margin: 0; border-radius: var(--radius); overflow: hidden;
  background: #fff; border: 1px solid var(--border); box-shadow: var(--sombra);
}
.ventana-barra { display: flex; gap: 6px; padding: 10px 12px; background: #f1f1f1; border-bottom: 1px solid var(--border); }
.ventana-barra i { width: 11px; height: 11px; border-radius: 50%; background: #d4d4d4; }
.ventana-barra i:first-child { background: #ff6159; }
.ventana-barra i:nth-child(2) { background: #ffbd2e; }
.ventana-barra i:nth-child(3) { background: #28c941; }
.hero .ventana { transform: perspective(1400px) rotateY(-6deg); }

/* Secciones */
.seccion { padding: 5.5rem 0; }
.fondo-suave { background: var(--suave); }
.franja { padding: 3.5rem 0; background: var(--indigo); color: #fff; }
.franja h2 { margin-bottom: 1.8rem; }

.grilla-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.grilla-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.6rem; }
.grilla-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; }

.dolor { background: var(--indigo-mid); border-radius: var(--radius); padding: 1.4rem; }
.dolor span { font-size: 1.8rem; }
.dolor p { margin: .6rem 0 0; color: #dfe3f3; }

.tarjeta {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.6rem; transition: transform .2s, box-shadow .2s;
}
.tarjeta:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.tarjeta p { color: var(--muted-fg); margin: 0; }
.icono {
  width: 48px; height: 48px; display: grid; place-items: center;
  background: var(--verde-bg); border-radius: 12px; font-size: 1.5rem; margin-bottom: 1rem;
}

/* Capturas alternadas */
.muestra { display: grid; grid-template-columns: 1fr 1.3fr; gap: 3.5rem; align-items: center; }
.muestra + .muestra { margin-top: 5rem; }
.muestra.invertida > div { order: 2; }
.muestra p { color: var(--muted-fg); }

.lista { list-style: none; padding: 0; margin: 0; }
.lista li { position: relative; padding-left: 1.8rem; margin-bottom: .7rem; }
.lista li::before {
  content: "✓"; position: absolute; left: 0; top: .1rem;
  width: 1.2rem; height: 1.2rem; display: grid; place-items: center;
  background: var(--verde); color: var(--indigo); border-radius: 50%; font-size: .75rem; font-weight: 700;
}
.seguridad .lista li { color: var(--muted-fg); }
.seguridad .lista strong { color: var(--fg); }

/* IA: modos */
.oscura { background: var(--indigo); color: #fff; }
.oscura .bajada { color: #c3c9e3; }
.oscura .etiqueta { color: var(--verde); }
.modo {
  position: relative; background: var(--indigo-mid); border: 1px solid #2b3772;
  border-radius: var(--radius); padding: 2rem 1.6rem 1.6rem;
}
.modo p { color: #c3c9e3; }
.modo-num {
  display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--verde); color: var(--indigo); font-weight: 800; margin-bottom: 1rem;
}
.chip {
  display: inline-block; font-size: .8rem; font-weight: 600;
  background: var(--lila); color: var(--indigo); padding: .2rem .7rem; border-radius: 99px;
}

/* Pasos */
.pasos { list-style: none; padding: 0; margin: 3rem 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.4rem; counter-reset: paso; }
.pasos li { counter-increment: paso; position: relative; padding-top: 3.4rem; }
.pasos li::before {
  content: counter(paso); position: absolute; top: 0; left: 0;
  width: 44px; height: 44px; display: grid; place-items: center;
  border-radius: 12px; background: var(--indigo); color: var(--verde); font-weight: 800; font-size: 1.2rem;
}
.pasos li:not(:last-child)::after {
  content: ""; position: absolute; top: 22px; left: 56px; right: -1rem; height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 14px);
}
.pasos p { color: var(--muted-fg); }

/* Preguntas */
details {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 1rem 1.3rem; margin-top: .8rem;
}
details[open] { box-shadow: var(--sombra); }
summary { font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--verde-texto); transition: transform .2s; }
details[open] summary::after { transform: rotate(45deg); }
details p { margin: .8rem 0 0; color: var(--muted-fg); }
#preguntas h2 { margin-bottom: 1.6rem; }

/* Contacto */
.cta {
  background: linear-gradient(135deg, var(--indigo) 0%, #1c2d6b 60%, var(--verde-marca) 140%);
  color: #fff;
}
.cta p { color: #d5daef; }
.formulario {
  background: #fff; color: var(--fg); border-radius: var(--radius);
  padding: 1.8rem; box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.formulario label { display: block; font-weight: 500; font-size: .92rem; margin-bottom: 1rem; }
.formulario input, .formulario select, .formulario textarea {
  display: block; width: 100%; margin-top: .35rem;
  font: inherit; font-weight: 400; padding: .65rem .8rem;
  border: 1px solid var(--border); border-radius: 10px; background: #fff;
}
.formulario input:focus, .formulario select:focus, .formulario textarea:focus {
  outline: none; border-color: var(--verde-osc); box-shadow: 0 0 0 3px rgba(64,255,81,.25);
}
.formulario .invalido { border-color: #d40924; }
.fila-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-aviso { margin: .8rem 0 0; font-size: .9rem; min-height: 1.2em; color: var(--muted-fg) !important; }

/* Pie */
.pie { padding: 2rem 0; border-top: 1px solid var(--border); font-size: .92rem; color: var(--muted-fg); }
.pie-fila { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.pie p { margin: 0; }

/* Aparición al hacer scroll */
.aparece { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.aparece.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .aparece { opacity: 1; transform: none; transition: none; }
  .hero .ventana { transform: none; }
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid, .grilla-2, .muestra { grid-template-columns: 1fr; gap: 2rem; }
  .muestra.invertida > div { order: 0; }
  .grilla-3 { grid-template-columns: 1fr 1fr; }
  .grilla-4, .pasos { grid-template-columns: 1fr 1fr; }
  .pasos li::after { display: none; }
  .hero .ventana { transform: none; }
}
@media (max-width: 720px) {
  .hamburguesa { display: block; }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--border); padding: .5rem 4vw 1rem;
  }
  .nav-links.abierto { display: flex; }
  .nav-links a:not(.btn) { padding: .7rem 0; }
  .nav-links .btn { margin-top: .5rem; }
  .grilla-3, .grilla-4, .pasos, .fila-2 { grid-template-columns: 1fr; }
  .seccion { padding: 4rem 0; }
}

/* Precios */
.precios { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.4rem; margin-top: 2.6rem; align-items: stretch; }
.precio { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem 1.6rem; display: flex; flex-direction: column; }
.precio .monto { font-size: 2.6rem; font-weight: 800; margin: .4rem 0 0; line-height: 1; letter-spacing: -.02em; }
.precio .periodo { color: var(--muted-fg); margin-bottom: 1.4rem; }
.precio.destacado { border: 2px solid var(--verde-osc); box-shadow: var(--sombra); }
.precio.calculadora { background: var(--indigo); color: #fff; border-color: var(--indigo); }
.precio.calculadora label { font-weight: 500; margin-bottom: .4rem; color: #c3c9e3; }
.contador { display: flex; gap: .5rem; margin-bottom: 1.4rem; }
.contador button {
  width: 46px; border-radius: 10px; border: 0; background: var(--indigo-mid); color: var(--verde);
  font: inherit; font-size: 1.4rem; font-weight: 700; cursor: pointer;
}
.contador button:hover { background: #273178; }
.contador input {
  flex: 1; min-width: 0; text-align: center; font: inherit; font-size: 1.3rem; font-weight: 700;
  padding: .5rem; border-radius: 10px; border: 1px solid #2b3772; background: #fff; color: var(--indigo);
}
.calculadora dl { display: grid; grid-template-columns: 1fr auto; gap: .5rem 1rem; margin: 0 0 1.6rem; }
.calculadora dt { color: #c3c9e3; }
.calculadora dd { margin: 0; font-weight: 700; text-align: right; }
.calculadora dd#calc-primero { color: var(--verde); }
.calculadora .btn { margin-top: auto; }
@media (max-width: 960px) { .precios { grid-template-columns: 1fr; max-width: 480px; margin-left: auto; margin-right: auto; } }
.nota-precio { font-size: .9rem; background: var(--verde-bg); border-radius: 10px; padding: .6rem .8rem; margin: -.6rem 0 1.4rem; }
.contacto-directo { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: .6rem; }
.contacto-directo a { color: #fff; text-decoration: none; font-weight: 600; font-size: 1.05rem; }
.contacto-directo a:hover { color: var(--verde); }