/* ============================================================
   Tecnosoft — hoja de estilos compartida
   Identidad: placa de circuito. Verde de pista sobre negro tecnico.
   ============================================================ */

:root {
  --negro: #0a0e0d;
  --negro-panel: #111917;
  --verde: #2ecc71;
  --verde-claro: #6ee7a8;
  --verde-oscuro: #1b7a44;
  --gris-texto: #a8b3af;
  --gris-tenue: #5c6b65;
  --linea: #1e2b26;
  --blanco: #f2f5f3;

  --fuente-display: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --fuente-cuerpo: "Inter", "Segoe UI", system-ui, sans-serif;
  --fuente-mono: "JetBrains Mono", "Consolas", monospace;

  --ancho: 1120px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--negro);
  color: var(--blanco);
  font-family: var(--fuente-cuerpo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Cabecera ---------- */
.cabecera {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 14, 13, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--linea);
}
.cabecera .contenedor {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo {
  font-family: var(--fuente-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo .marca-verde { color: var(--verde); }
.logo .chip {
  width: 26px; height: 26px;
  border: 1.5px solid var(--verde);
  border-radius: 5px;
  position: relative;
  display: inline-block;
}
.logo .chip::before,
.logo .chip::after {
  content: "";
  position: absolute;
  background: var(--verde);
}
.logo .chip::before { width: 6px; height: 1.5px; left: -6px; top: 8px; box-shadow: 0 9px 0 var(--verde); }
.logo .chip::after  { width: 6px; height: 1.5px; right: -6px; top: 8px; box-shadow: 0 9px 0 var(--verde); }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 0.9rem;
  color: var(--gris-texto);
  transition: color 0.2s;
  font-weight: 500;
}
.nav-links a:hover { color: var(--verde-claro); }
.nav-toggle { display: none; background: none; border: 0; color: var(--blanco); font-size: 1.5rem; cursor: pointer; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  border-bottom: 1px solid var(--linea);
  overflow: hidden;
}
.hero-pistas {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  pointer-events: none;
}
.hero .contenedor { position: relative; z-index: 2; }
.eyebrow {
  font-family: var(--fuente-mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--verde);
  margin-bottom: 22px;
  display: inline-block;
}
.hero h1 {
  font-family: var(--fuente-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: -0.03em;
  font-weight: 700;
  max-width: 16ch;
  margin-bottom: 26px;
}
.hero h1 .destaque { color: var(--verde); }
.hero p.bajada {
  font-size: 1.15rem;
  color: var(--gris-texto);
  max-width: 54ch;
  margin-bottom: 40px;
}
.hero-acciones { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Botones ---------- */
.boton {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  font-family: var(--fuente-cuerpo);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  border: 1px solid transparent;
}
.boton-primario {
  background: var(--verde);
  color: var(--negro);
}
.boton-primario:hover {
  background: var(--verde-claro);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(46, 204, 113, 0.25);
}
.boton-secundario {
  background: transparent;
  color: var(--blanco);
  border-color: var(--linea);
}
.boton-secundario:hover { border-color: var(--verde); color: var(--verde-claro); }

/* ---------- Secciones ---------- */
.seccion { padding: 96px 0; }
.seccion-titulo {
  font-family: var(--fuente-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.02em;
  font-weight: 700;
  margin-bottom: 16px;
}
.seccion-intro {
  color: var(--gris-texto);
  max-width: 56ch;
  margin-bottom: 56px;
  font-size: 1.05rem;
}
.numero-seccion {
  font-family: var(--fuente-mono);
  font-size: 0.8rem;
  color: var(--verde-oscuro);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 10px;
}

/* ---------- Tarjetas de producto ---------- */
.grilla-productos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.tarjeta {
  background: var(--negro-panel);
  border: 1px solid var(--linea);
  border-radius: 14px;
  padding: 34px;
  position: relative;
  transition: border-color 0.25s, transform 0.25s;
  overflow: hidden;
}
.tarjeta::before {
  content: "";
  position: absolute;
  top: 0; left: 34px; right: 34px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--verde), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.tarjeta:hover { border-color: var(--verde-oscuro); transform: translateY(-4px); }
.tarjeta:hover::before { opacity: 1; }
.tarjeta.destacada {
  border-color: var(--verde-oscuro);
  background: linear-gradient(160deg, #10201a, var(--negro-panel));
}
.tarjeta-etiqueta {
  font-family: var(--fuente-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--verde);
  border: 1px solid var(--verde-oscuro);
  border-radius: 100px;
  padding: 4px 12px;
  display: inline-block;
  margin-bottom: 20px;
}
.tarjeta h3 {
  font-family: var(--fuente-display);
  font-size: 1.5rem;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.tarjeta .subtitulo {
  font-family: var(--fuente-mono);
  font-size: 0.8rem;
  color: var(--gris-tenue);
  margin-bottom: 18px;
}
.tarjeta p { color: var(--gris-texto); font-size: 0.98rem; margin-bottom: 24px; }
.tarjeta .enlace-tarjeta {
  color: var(--verde);
  font-weight: 600;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}
.tarjeta:hover .enlace-tarjeta { gap: 12px; }

/* ---------- Formulario de interes ---------- */
.captura {
  background: var(--negro-panel);
  border: 1px solid var(--linea);
  border-radius: 16px;
  padding: 48px;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.captura h3 {
  font-family: var(--fuente-display);
  font-size: 1.8rem;
  margin-bottom: 12px;
}
.captura p { color: var(--gris-texto); margin-bottom: 30px; }
.captura-form { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
.captura-form input {
  flex: 1;
  min-width: 240px;
  padding: 14px 18px;
  background: var(--negro);
  border: 1px solid var(--linea);
  border-radius: 8px;
  color: var(--blanco);
  font-size: 0.95rem;
  font-family: var(--fuente-cuerpo);
}
.captura-form input:focus { outline: none; border-color: var(--verde); }
.captura-nota {
  font-family: var(--fuente-mono);
  font-size: 0.75rem;
  color: var(--gris-tenue);
  margin-top: 18px;
}

/* ---------- Pie ---------- */
.pie {
  border-top: 1px solid var(--linea);
  padding: 64px 0 40px;
  background: var(--negro-panel);
}
.pie-grilla {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.pie h4 {
  font-family: var(--fuente-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--verde);
  margin-bottom: 18px;
}
.pie ul { list-style: none; }
.pie ul li { margin-bottom: 10px; }
.pie ul li a, .pie-dato { color: var(--gris-texto); font-size: 0.92rem; transition: color 0.2s; }
.pie ul li a:hover { color: var(--verde-claro); }
.pie-dato { display: block; margin-bottom: 8px; }
.pie-descripcion { color: var(--gris-texto); font-size: 0.92rem; max-width: 36ch; margin-top: 16px; }
.pie-legal {
  border-top: 1px solid var(--linea);
  padding-top: 28px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
.pie-legal p { font-size: 0.85rem; color: var(--gris-tenue); font-family: var(--fuente-mono); }
.pie-legal .razon-social { color: var(--gris-texto); }

/* ---------- Paginas internas ---------- */
.cabecera-interna {
  padding: 100px 0 60px;
  border-bottom: 1px solid var(--linea);
  position: relative;
  overflow: hidden;
}
.migas {
  font-family: var(--fuente-mono);
  font-size: 0.8rem;
  color: var(--gris-tenue);
  margin-bottom: 20px;
}
.migas a { color: var(--verde); }
.cabecera-interna h1 {
  font-family: var(--fuente-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: -0.03em;
  margin-bottom: 18px;
}
.cabecera-interna p { color: var(--gris-texto); max-width: 60ch; font-size: 1.1rem; }

.bloque-texto { max-width: 720px; }
.bloque-texto h2 {
  font-family: var(--fuente-display);
  font-size: 1.6rem;
  margin: 48px 0 16px;
  letter-spacing: -0.01em;
}
.bloque-texto p { color: var(--gris-texto); margin-bottom: 18px; }
.lista-check { list-style: none; margin: 24px 0; }
.lista-check li {
  color: var(--gris-texto);
  padding-left: 30px;
  position: relative;
  margin-bottom: 14px;
}
.lista-check li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  background: var(--verde);
  border-radius: 2px;
  transform: rotate(45deg);
}

/* ---------- Animacion de aparicion ---------- */
.aparece {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.aparece.visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 820px) {
  .nav-links {
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: var(--negro-panel);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--linea);
    transform: translateY(-150%);
    transition: transform 0.3s;
  }
  .nav-links.abierto { transform: translateY(0); }
  .nav-toggle { display: block; }
  .pie-grilla { grid-template-columns: 1fr; gap: 32px; }
  .seccion { padding: 64px 0; }
  .hero { padding: 80px 0 64px; }
  .captura { padding: 32px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  .aparece { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}