/* Jarvis Creador — página principal (referencia visual oficial aprobada) */
:root {
  --fondo: #05070c;
  --carbon: #0d1220;
  --panel: #121826;
  --borde: #1f2937;
  --texto: #e8ecf4;
  --tenue: #8b96ab;
  --acento: #22d3ee;
  --acento2: #3b82f6;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--fondo); color: var(--texto);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif;
}
h1, h2, h3 { line-height: 1.18; letter-spacing: -0.015em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); text-align: center; }
a { color: var(--acento); text-decoration: none; }
img { max-width: 100%; }

/* ---------------- navegación ---------------- */
.nav {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px 4vw;
  background: rgba(5, 7, 12, .82); backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(34, 211, 238, .12);
}
.marca { color: var(--texto); font-size: 1.12rem; font-weight: 500; display: flex; align-items: center; gap: 10px; }
.marca b { font-weight: 750; }
.logo {
  display: inline-grid; place-items: center; width: 34px; height: 34px;
  border-radius: 9px; font-size: .8rem; font-weight: 800; color: #04121a;
  background: linear-gradient(135deg, var(--acento), var(--acento2));
}
.nav nav { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav nav a { color: var(--tenue); padding: 8px 14px; border-radius: 8px; font-size: .95rem; }
.nav nav a:hover { color: var(--texto); background: rgba(255,255,255,.05); }
.menu-btn { display: none; background: none; border: 1px solid var(--borde); color: var(--texto); font-size: 1.2rem; border-radius: 8px; padding: 6px 12px; cursor: pointer; }

/* ---------------- botones ---------------- */
.btn {
  display: inline-block; padding: 12px 22px; border-radius: 10px;
  font-weight: 650; font-size: .98rem; border: 1px solid transparent;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-pri {
  background: linear-gradient(135deg, var(--acento), var(--acento2));
  color: #04121a; box-shadow: 0 8px 26px rgba(34, 211, 238, .25);
}
.btn-aco { background: linear-gradient(135deg, var(--acento), var(--acento2)); color: #04121a !important; font-weight: 700; }
.btn-ghost { border-color: var(--borde); color: var(--texto); background: rgba(255,255,255,.03); }
.btn.anchan, .ancho { display: block; text-align: center; }

/* ---------------- hero ---------------- */
.hero { position: relative; overflow: hidden; padding: clamp(60px, 10vw, 120px) 4vw 70px; text-align: center; }
.halo {
  position: absolute; inset: -40% -10% auto; height: 130%;
  background:
    radial-gradient(45% 55% at 50% 35%, rgba(59,130,246,.22), transparent 70%),
    radial-gradient(30% 40% at 70% 20%, rgba(34,211,238,.16), transparent 70%);
  pointer-events: none;
}
.rejilla-fondo {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(139,150,171,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(139,150,171,.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(75% 65% at 50% 40%, #000 30%, transparent 100%);
  pointer-events: none;
}
.hero-contenido { position: relative; max-width: 900px; margin: 0 auto; }
.cinta {
  display: inline-block; margin: 0 0 18px; padding: 6px 16px;
  border: 1px solid rgba(34,211,238,.35); border-radius: 999px;
  color: var(--acento); font-size: .85rem; background: rgba(34,211,238,.07);
}
.hero h1 { font-size: clamp(1.9rem, 4.6vw, 3.3rem); margin: 0 0 18px; }
.hero h1 em { font-style: normal; background: linear-gradient(120deg, var(--acento), var(--acento2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.sub { color: var(--tenue); font-size: clamp(1rem, 1.6vw, 1.15rem); max-width: 640px; margin: 0 auto; }
.acciones { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 30px; }
.indicadores { display: flex; gap: clamp(18px, 4vw, 54px); justify-content: center; flex-wrap: wrap; list-style: none; padding: 0; margin: 46px 0 0; }
.indicadores li { text-align: center; }
.indicadores b { display: block; font-size: clamp(1.4rem, 3vw, 2rem); color: var(--acento); }
.indicadores span { color: var(--tenue); font-size: .82rem; }
.indicadores i { display: block; font-size: .7rem; color: #5f6a80; font-style: normal; }

/* ---------------- secciones ---------------- */
.seccion { padding: clamp(50px, 7vw, 90px) 4vw; max-width: 1180px; margin: 0 auto; }
.entradilla { text-align: center; color: var(--tenue); max-width: 720px; margin: -6px auto 34px; }
.tarjetas { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.tarjeta {
  background: linear-gradient(180deg, var(--panel), #0e1422);
  border: 1px solid var(--borde); border-radius: 16px;
  padding: 24px 22px; position: relative;
  transition: border-color .2s, transform .2s;
}
.tarjeta:hover { border-color: rgba(34,211,238,.45); transform: translateY(-3px); }
.tarjeta.destacada { border-color: rgba(34,211,238,.35); }
.tarjeta.ancho, .tarjeta-plana { grid-column: 1 / -1; }
.tarjeta h3 { margin: 12px 0 8px; font-size: 1.1rem; }
.tarjeta p { margin: 6px 0; color: var(--tenue); font-size: .93rem; }
.tarjeta .mini { font-size: .8rem; color: #5f6a80; }
.icono { font-size: 1.7rem; width: 52px; height: 52px; display: grid; place-items: center; background: rgba(34,211,238,.09); border: 1px solid rgba(34,211,238,.25); border-radius: 13px; }
.enlace { font-size: .9rem; font-weight: 600; }
.etiqueta { display: inline-block; font-size: .68rem; font-weight: 700; padding: 3px 9px; border-radius: 999px; margin-left: 6px; vertical-align: middle; }
.etiqueta.demo { background: rgba(251,191,36,.15); color: #fbbf24; }
.etiqueta.eval { background: rgba(139,150,171,.16); color: var(--tenue); }
.etiqueta.ok { background: rgba(52,211,153,.15); color: #34d399; }
.chips i { display: inline-block; font-style: normal; font-size: .75rem; background: rgba(255,255,255,.05); border: 1px solid var(--borde); border-radius: 8px; padding: 3px 9px; margin: 3px 4px 0 0; color: var(--tenue); }

/* anillo ilustrativo (dato marcado como ilustrativo en el HTML) */
.aro { position: relative; width: 120px; margin: 14px auto 0; }
.aro svg { width: 120px; transform: rotate(-90deg); }
.aro circle { fill: none; stroke-width: 10; }
.aro .pista { stroke: rgba(139,150,171,.18); }
.aro .valor { stroke: var(--acento); stroke-linecap: round; stroke-dasharray: 327; stroke-dashoffset: 26; }
.aro span { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; font-weight: 800; color: var(--acento); }
.aro small { display: block; font-size: .55rem; font-weight: 500; color: var(--tenue); }

/* demostraciones */
.panel-demo { background: linear-gradient(180deg, rgba(34,211,238,.05), transparent 60%); border-radius: 24px; }
.aviso { text-align: center; color: #fbbf24; font-size: .85rem; margin-top: 26px; }

/* tecnología */
.tech { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.tech span { border: 1px solid var(--borde); background: var(--panel); color: var(--tenue); border-radius: 999px; padding: 9px 16px; font-size: .88rem; }

/* ---------------- pie ---------------- */
footer { border-top: 1px solid var(--borde); background: var(--carbon); padding: 34px 4vw 20px; margin-top: 40px; }
.pie-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; max-width: 1180px; margin: 0 auto; }
.pie-grid nav { display: flex; gap: 18px; flex-wrap: wrap; align-items: start; }
.pie-grid nav a { color: var(--tenue); font-size: .9rem; }
.mini { color: #5f6a80; font-size: .85rem; }
.legal { text-align: center; color: #4b5568; font-size: .75rem; margin-top: 26px; }

/* ---------------- responsive ---------------- */
@media (max-width: 860px) {
  .menu-btn { display: block; }
  .nav nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: rgba(8, 11, 18, .97); border-bottom: 1px solid var(--borde);
    padding: 8px 4vw 16px;
  }
  .nav nav.abierto { display: flex; }
  .nav nav a { padding: 13px 8px; border-bottom: 1px solid rgba(255,255,255,.04); }
  .indicadores { gap: 22px; }
}
@media (max-width: 480px) {
  .tarjetas { grid-template-columns: 1fr; }
  .acciones .btn { width: 100%; text-align: center; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .tarjeta { transition: none; }
}