/* Paco, de cara a las familias: luz, calidez y los ojos azules como marca.
   El negro se queda para lo que es una pantalla de verdad (la cara del robot);
   la casa del dueño es clara. Sin framework: tiene que pesar poco. */

:root {
  --papel: #f6f6f2;        /* blanco cálido, sin irse al crema tostado */
  --superficie: #ffffff;
  --borde: #e3e2da;
  --tinta: #26303c;
  --tenue: #68737f;
  --azul: #2f8fe6;         /* el azul de los ojos, versión tinta */
  --azul-claro: #eaf3fc;
  --azul-ojos: #57b1ff;    /* el azul que brilla en la pantalla del robot */
  --pantalla: #10151f;     /* la carita: una pantalla siempre es oscura */
  --exito: #2c8a5e;
  --peligro: #c9524a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font: 17px/1.55 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  min-height: 100dvh;
}

.oculto { display: none !important; }
.tenue { color: var(--tenue); }
.hueco { flex: 1; }
.fila { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }

code {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88em;
  background: var(--azul-claro);
  border-radius: 6px;
  padding: 2px 7px;
  color: var(--azul);
}

/* La carita de Paco: una pantallita oscura con los ojos brillando. Es la
   marca, y funciona igual sobre fondo claro porque la pantalla ES oscura. */
.carita {
  display: inline-flex; gap: 9px; align-items: center; justify-content: center;
  background: var(--pantalla);
  border-radius: 22px;
  padding: 16px 20px;
}
.carita span {
  width: 22px; height: 30px; border-radius: 9px;
  background: var(--azul-ojos);
  box-shadow: 0 0 14px #57b1ff66;
  animation: parpadeo 4.5s infinite;
}
.carita.mini { border-radius: 12px; padding: 8px 10px; gap: 5px; }
.carita.mini span { width: 10px; height: 14px; border-radius: 4px; box-shadow: none; }
.carita.grande { border-radius: 30px; padding: 26px 34px; gap: 15px; }
.carita.grande span { width: 36px; height: 50px; border-radius: 13px; }
@keyframes parpadeo {
  0%, 94%, 100% { transform: scaleY(1); }
  96% { transform: scaleY(0.08); }
}
@media (prefers-reduced-motion: reduce) { .carita span { animation: none; } }

/* --- cabecera común --------------------------------------------------- */

header.barra {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 18px;
  background: var(--superficie);
  border-bottom: 1px solid var(--borde);
  position: sticky; top: 0; z-index: 2;
}
header.barra strong { font-size: 1.05rem; }

main { max-width: 680px; margin: 0 auto; padding: 18px 16px 70px; display: grid; gap: 16px; }

/* --- botones y formularios -------------------------------------------- */

.btn {
  background: var(--superficie); color: var(--tinta);
  border: 1px solid var(--borde); border-radius: 11px;
  padding: 10px 18px; font-size: 1rem; cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.btn:hover { border-color: var(--azul); }
.btn.primario {
  background: var(--azul); border-color: transparent;
  color: #fff; font-weight: 600;
}
.btn.primario:hover { background: #2679c4; }
.btn.chico { padding: 5px 12px; font-size: 0.85rem; border-radius: 8px; }
.btn.peligro { color: var(--peligro); }

label { display: grid; gap: 5px; font-size: 0.9rem; color: var(--tenue); }
input, select {
  background: var(--superficie); color: var(--tinta);
  border: 1px solid var(--borde); border-radius: 10px;
  padding: 10px 12px; font-size: 1rem; width: 100%;
}
input:focus-visible, select:focus-visible, .btn:focus-visible, a:focus-visible {
  outline: 2px solid var(--azul); outline-offset: 1px;
}
input.codigo {
  width: 140px; text-align: center; font-size: 1.4rem;
  letter-spacing: 0.35em; font-variant-numeric: tabular-nums;
}

.error { color: var(--peligro); min-height: 1.2em; margin: 0; }

/* --- tarjetas ---------------------------------------------------------- */

.tarjeta {
  background: var(--superficie);
  border: 1px solid var(--borde);
  border-radius: 16px;
  padding: 20px;
  display: grid; gap: 10px;
  box-shadow: 0 1px 3px #26303c0a;
}
.tarjeta h2 { margin: 0; font-size: 1.2rem; }

/* --- sesión ------------------------------------------------------------ */

.centrada {
  min-height: 100dvh; display: flex; flex-direction: column;
  align-items: center; justify-content: center; padding: 24px; gap: 8px;
}
.centrada h1 { margin: 14px 0 2px; font-size: 2rem; letter-spacing: -0.01em; }
.centrada .sub { margin: 0 0 20px; color: var(--tenue); }
.centrada form { width: min(340px, 100%); display: grid; gap: 12px; }

/* --- personas ---------------------------------------------------------- */

.persona {
  display: flex; align-items: center; gap: 10px;
  background: var(--azul-claro);
  border: 1px solid transparent; border-radius: 12px;
  padding: 13px 15px; cursor: pointer; width: 100%; text-align: left;
  color: var(--tinta); font-size: 1rem; font-weight: 500;
}
.persona:hover { border-color: var(--azul); }
.persona .contador { margin-left: auto; color: var(--tenue); font-size: 0.88rem; font-weight: 400; }

/* --- pestañas y listas -------------------------------------------------- */

.pestanas { display: flex; gap: 2px; border-bottom: 1px solid var(--borde); overflow-x: auto; }
.pestanas button {
  background: none; border: none; color: var(--tenue);
  padding: 9px 13px; font-size: 0.95rem; cursor: pointer;
  border-bottom: 2px solid transparent; white-space: nowrap;
}
.pestanas button.activa { color: var(--azul); border-bottom-color: var(--azul); font-weight: 600; }

.lista { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.lista li {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--papel);
  border: 1px solid var(--borde);
  border-radius: 11px; padding: 10px 13px;
}
.lista .cuando { color: var(--tenue); font-size: 0.82rem; }
.lista .accion { margin-left: auto; }
.lista .apagado { opacity: 0.55; }

table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th, td { text-align: left; padding: 7px 9px; border-bottom: 1px solid var(--borde); }
th { color: var(--tenue); font-weight: 500; font-size: 0.85rem; }

#aviso-flotante {
  position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%);
  background: var(--tinta); color: #fff;
  border-radius: 11px; padding: 11px 20px;
  opacity: 0; transition: opacity 0.25s; pointer-events: none; max-width: 90vw;
  box-shadow: 0 4px 14px #26303c33;
}
#aviso-flotante.visible { opacity: 1; }

/* ====================== la portada ====================== */

.cuerpo-portada {
  --tinta: #101b2c;
  color: var(--tinta);
  font-family: "Sora", -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(900px 480px at 85% -10%, #dceafd 0%, transparent 60%),
    radial-gradient(700px 420px at -10% 30%, #eef3f9 0%, transparent 55%),
    var(--papel);
}

.nav {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 22px;
  position: sticky; top: 0; z-index: 5;
  background: #f6f6f2d9; backdrop-filter: blur(10px);
  border-bottom: 1px solid #e3e2da88;
}
.nav strong { font-size: 1.1rem; letter-spacing: -0.01em; }
.nav a.btn { text-decoration: none; }

.portada { max-width: 1060px; margin: 0 auto; padding: 0 22px 90px; }
.portada a { color: inherit; }
.portada .btn { text-decoration: none; display: inline-block; }
.btn.fantasma { background: transparent; border-color: #c6ccd6; }
.btn.fantasma:hover { border-color: var(--azul); }

.eyebrow {
  margin: 0 0 10px; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.16em; text-transform: uppercase; color: var(--azul);
}

/* --- héroe: texto a un lado, Paco conversando al otro ------------------- */

.heroe {
  display: grid; grid-template-columns: 1.1fr 1fr;
  gap: 46px; align-items: center; padding: 84px 0 40px;
}
.heroe h1 {
  margin: 0 0 18px;
  font-size: clamp(2.5rem, 5.5vw, 4.2rem);
  font-weight: 800; line-height: 1.04; letter-spacing: -0.035em;
}
.heroe h1 .acento { color: var(--azul); }
.heroe .entrada {
  margin: 0 0 26px; font-size: 1.12rem; line-height: 1.6;
  color: var(--tenue); max-width: 30em;
}
.acciones { display: flex; gap: 12px; flex-wrap: wrap; }
.portada .acciones .btn { font-size: 1.02rem; padding: 13px 24px; border-radius: 13px; }

.heroe-demo { display: grid; gap: 18px; justify-items: center; }
.carita.brillo {
  box-shadow: 0 24px 60px -18px #2f8fe666, 0 0 0 1px #ffffffcc inset;
  background: linear-gradient(160deg, #1a2333, #0b111d 70%);
}
.burbujas { display: grid; gap: 9px; width: min(360px, 100%); }
.burbuja {
  margin: 0; padding: 10px 15px; border-radius: 16px;
  font-size: 0.93rem; line-height: 1.45;
  opacity: 0; transform: translateY(8px);
  animation: aparecer 0.5s ease-out forwards;
}
.burbuja.tuya {
  justify-self: end; background: var(--azul); color: #fff;
  border-bottom-right-radius: 5px; animation-delay: 0.3s;
}
.burbuja.paco {
  justify-self: start; background: #fff; border: 1px solid var(--borde);
  border-bottom-left-radius: 5px; box-shadow: 0 2px 8px #101b2c0f;
}
.burbujas .burbuja:nth-child(2) { animation-delay: 1.1s; }
.burbujas .burbuja:nth-child(3) { animation-delay: 2.0s; }
.burbujas .burbuja:nth-child(4) { animation-delay: 2.9s; }
@keyframes aparecer { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .burbuja { animation: none; opacity: 1; transform: none; }
}

/* --- la cinta de idiomas ------------------------------------------------ */

.idiomas { margin-top: 60px; overflow: hidden; }
.cinta {
  display: flex; gap: 26px; white-space: nowrap; width: max-content;
  font-size: clamp(1.5rem, 3.2vw, 2.2rem); font-weight: 700;
  letter-spacing: -0.02em; color: #c3cddb;
  animation: desfilar 26s linear infinite;
  padding: 12px 0;
}
.cinta span:nth-child(4n+1) { color: var(--azul); }
@keyframes desfilar { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .cinta { animation: none; } }
.idiomas-nota {
  margin: 14px auto 0; max-width: 42em; text-align: center;
  color: var(--tenue); font-size: 1.02rem;
}
.idiomas-nota strong { color: var(--tinta); }

/* --- rasgos en filas ---------------------------------------------------- */

.rasgos { margin-top: 80px; display: grid; gap: 26px; }
.rasgo {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px;
  align-items: center;
  background: #ffffffb8; border: 1px solid #e3e2da99; border-radius: 24px;
  padding: 38px 42px;
}
.rasgo.invertido { grid-template-columns: 1fr 1.2fr; }
.rasgo.invertido .rasgo-texto { order: 2; }
.rasgo h2 {
  margin: 0 0 10px; font-size: clamp(1.4rem, 2.6vw, 1.9rem);
  font-weight: 700; letter-spacing: -0.025em;
}
.rasgo p { margin: 0; color: var(--tenue); line-height: 1.6; }
.rasgo .eyebrow { margin-bottom: 6px; }
.pantallita {
  background: linear-gradient(160deg, #1a2333, #0b111d 70%);
  border-radius: 20px; padding: 26px 22px;
  display: grid; align-content: center; min-height: 120px;
  box-shadow: 0 18px 40px -20px #101b2c66;
}
.pantallita .burbuja {
  animation: none; opacity: 1; transform: none; justify-self: start;
}

/* --- qué puedes decirle / vídeos / confianza ---------------------------- */

.titulo-seccion {
  margin: 0 0 8px; font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800; letter-spacing: -0.03em; text-align: center;
}
.portada section { margin-top: 90px; }
.h2sub { margin: 0 auto 30px; max-width: 36em; color: var(--tenue); text-align: center; }

.comandos { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 12px; }
.comando {
  background: #fff; border: 1px solid var(--borde); border-radius: 16px;
  padding: 17px 19px; display: grid; gap: 7px; align-content: start;
}
.comando p { margin: 0; font-weight: 600; font-size: 0.98rem; letter-spacing: -0.01em; }
.comando small { color: var(--tenue); font-size: 0.86rem; line-height: 1.45; }
.chip {
  justify-self: start; font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  border-radius: 99px; padding: 3px 10px;
}
.chip.hoy { background: #dff3e8; color: var(--exito); }
.chip.pronto { background: var(--azul-claro); color: var(--azul); }

.videos { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 18px; }
.video { margin: 0; display: grid; gap: 10px; }
.video-marco {
  aspect-ratio: 16 / 9; border-radius: 18px; position: relative;
  background: linear-gradient(150deg, #1a2333, #0b111d 75%);
  display: grid; place-items: center;
  box-shadow: 0 18px 40px -20px #101b2c73;
}
.play {
  width: 62px; height: 62px; border-radius: 50%;
  background: #ffffffe6; display: grid; place-items: center;
}
.play::after {
  content: ""; margin-left: 5px;
  border-left: 20px solid var(--tinta);
  border-top: 12px solid transparent; border-bottom: 12px solid transparent;
}
.etiqueta-video {
  position: absolute; bottom: 12px; right: 14px;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: #cfe4fb;
  background: #ffffff1f; border-radius: 99px; padding: 4px 11px;
  backdrop-filter: blur(4px);
}
.video figcaption { color: var(--tenue); font-size: 0.93rem; }
.video figcaption strong { color: var(--tinta); }

.confianza {
  background: linear-gradient(160deg, #1a2333, #0b111d 70%);
  color: #e8eef7; border-radius: 26px; padding: 44px 30px;
  display: grid; gap: 10px; text-align: center; justify-items: center;
}
.confianza h2 { margin: 0; font-size: 1.5rem; letter-spacing: -0.02em; }
.confianza p { margin: 0; max-width: 42em; color: #aebacc; line-height: 1.65; }

footer.pie {
  margin-top: 90px; padding-top: 26px; border-top: 1px solid var(--borde);
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap;
  color: var(--tenue); font-size: 0.9rem;
}

@media (max-width: 780px) {
  .heroe { grid-template-columns: 1fr; padding-top: 46px; gap: 34px; }
  .rasgo, .rasgo.invertido { grid-template-columns: 1fr; padding: 26px 22px; gap: 20px; }
  .rasgo.invertido .rasgo-texto { order: 0; }
}