/* === FUENTES BROCKMANN === */
.bk-black { font-family: 'Brockmann', sans-serif; font-weight: 900; }
.bk-bold { font-family: 'Brockmann', sans-serif; font-weight: 700; }
.bk-medium { font-family: 'Brockmann', sans-serif; font-weight: 500; }
.bk-regular { font-family: 'Brockmann', sans-serif; font-weight: 400; }

/* === GENERALES === */
html, body {
  margin: 0;
  padding: 0;
  font-size: 16px;
  scroll-behavior: smooth;
  background: #fefdfb;
  color: #000;
}

/* === INTRO === */
#intro {
  position: relative;
  width: 100vw;
  height: 100vh;
  background: #000;
  overflow: hidden;
}

canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw !important;
  height: 100vh !important;
  display: block;
  z-index: 0;
}

#arrow {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 3em;
  color: #fff;
  z-index: 10;
  cursor: pointer;
  animation: bounce 2s infinite ease-in-out;
}

@keyframes bounce {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* === FORMULARIO === */
#formulario {
  padding: 6em 2em;
  text-align: center;
  z-index: 2;
}

h1.big-title {
  font-size: 6em;
  margin: 0;
  line-height: 1;
}

.subtitle {
  font-size: 2em;
  margin-bottom: 2em;
}

form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2em;
}

label, input, button {
  font-size: 1em;
  font-family: 'Brockmann', sans-serif;
}

input, button {
  padding: 0.7em 1.2em;
  border: 1px solid #000;
  width: 300px;
  text-align: center;
  background: transparent;
}

button:hover {
  background: #000;
  color: #fff;
  cursor: pointer;
}

/* === ERRORES === */
.error {
  color: red;
  font-size: 1.4em;
  background: #ffe6e6;
  border: 2px solid red;
  padding: 1em;
  margin: 2em auto;
  max-width: 600px;
  border-radius: 10px;
}

/* === RESULTADOS === */
#resultado {
  padding: 6em 2em;
  text-align: center;
  background: #fefdfb;
}

.contenedor {
  max-width: 960px;
  margin: auto;
}

#resultado h1.big-title {
  font-size: 5em;
  margin-bottom: 1em;
}

.resultado-item {
  font-size: 1.6em;
  margin: 0.6em 0;
  font-weight: 500;
}

/* === BINARIO VISUAL === */
.binario-box {
  background: #f0f0e8;
  padding: 1em;
  border-radius: 8px;
  display: inline-block;
  box-shadow: 0 0 3px rgba(0, 0, 0, 0.1);
  margin-top: 1em;
}

span.bit {
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: monospace;
  font-size: 1.2em;
  margin: 0 0.05em;
  display: inline-block;
}

.red { background: #c0392b; color: #fff; }
.subred { background: #8e44ad; color: #fff; }
.host { background: #b8e986; color: #000; }

.binario-leyenda {
  display: flex;
  justify-content: center;
  gap: 1em;
  font-size: 0.9em;
  margin-top: 1em;
}

.binario-leyenda span {
  padding: 0.3em 0.6em;
  border-radius: 4px;
}