/* =========================
   🎨 Colores
========================= */
:root {
  --primario: rgb(0, 127, 147);
  --primario-oscuro: rgb(0, 78, 91);
  --secundario: #0ff;
  --negro: #111;
  --gris-oscuro: #222;
  --gris-medio: #555;
  --blanco: #fff;
}

/* =========================
   🖥️ Reset y base
========================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: Arial, sans-serif;
  background-color: var(--negro);
  color: var(--blanco);
  display: grid;
  min-height: 100vh;
}

/* =========================
   🏠 Header
========================= */
header {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-transform: uppercase;
  padding: 2rem 3rem;
  width: 100%;
  box-sizing: border-box;
  height: 10rem;
}

header .fondo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.4;
}

header h1,
header .navigation {
  position: relative;
  z-index: 1;
}

header h1 {
  font-size: 3rem;
}

.titulo {
  text-decoration: none;
  color: var(--primario);
}

.navigation {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* =========================
   📦 Contenedores y layout
========================= */
.container {
  text-align: center;
  padding: 2rem;
  max-width: 600px;
  margin: 0 auto;
}

/* =========================
   ⏱️ Pantalla de tiempo
========================= */
.time-display {
  font-size: 7rem;
  margin: 5rem 0;
  place-items: center;
}

/* =========================
   ⌨️ Inputs y Textareas
========================= */
.inputs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

input,
textarea {
  padding: 0.7rem;
  font-size: 1.1rem;
  text-align: center;
  margin: 0.5rem;
  width: 100%;
  max-width: 400px;
  border-radius: 0.5rem;
  border: 2px solid var(--primario);
  background-color: var(--gris-oscuro);
  color: var(--blanco);
  outline: none;
  transition: all 0.3s ease;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--secundario);
  box-shadow: 0 0 10px var(--secundario);
}

input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

textarea {
  min-height: 200px;
  text-align: left;
  padding: 0.7rem 1rem;
}

legend {
  padding: 1rem 0 0.2rem;
}

/* =========================
   🔘 Botones
========================= */
.buttons button,
input[type="submit"] {
  margin: 5px;
  padding: 10px 20px;
  font-size: 1rem;
  border-radius: 4rem;
  background-color: var(--primario);
  color: var(--blanco);
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

input[type="submit"] {
  font-size: 1.2rem;
  padding: 10px 30px;
  margin-top: 1rem;
}

.buttons button:not(:disabled):hover,
input[type="submit"]:hover {
  background-color: var(--primario-oscuro);
}

.clicked {
  background-color: var(--blanco);
  color: var(--negro);
  font-weight: bold;
  box-shadow: 0 0 10px 2px var(--secundario);
}

button:disabled {
  background-color: var(--gris-medio);
  cursor: not-allowed;
  opacity: 0.6;
}

/* =========================
   📱 Responsive
========================= */
@media (max-width: 480px) {
  header {
    flex-direction: column;
    align-items: center;
    padding: 1.5rem 1rem;
    min-height: 140px;
    text-align: center;
    height: 12rem;
  }

  header h1 {
    font-size: 2rem;
  }

  .navigation {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    margin-top: 0.5rem;
  }

  .time-display {
    font-size: 3.5rem;
    margin: 2rem 0;
  }

  .inputs {
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
  }

  input,
  textarea,
  .buttons button,
  input[type="submit"] {
    width: 90vw;
    max-width: none;
  }

  .buttons button,
  input[type="submit"] {
    padding: 12px 0;
    font-size: 1.2rem;
    border-radius: 2rem;
  }
}

@media (max-width: 768px) {
  header {
    text-align: center;
    padding: 1.5rem 2rem;
  }

  header h1 {
    font-size: 2.5rem;
  }

  .navigation {
    justify-content: center;
    gap: 1rem;
  }

  .time-display {
    font-size: 5rem;
  }

  .inputs {
    justify-content: center;
  }

  input,
  textarea,
  .buttons button,
  input[type="submit"] {
    max-width: 350px;
    width: 100%;
  }
}

/* =========================
   📱 Enlaces
========================= */
.link {
  text-decoration: none;
  color: var(--blanco);
}

.link:hover {
  color: var(--primario);
}

/* =========================
   🦶 Footer
========================= */
footer {
  background-color: var(--gris-oscuro);
  color: var(--blanco);
  padding: 1rem 0;
  margin-top: auto;
}

.footer-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.footer-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--blanco);
  text-decoration: none;
}

.footer-nav a:hover {
  color: var(--primario);
}

/* =========================
   📄 Política de privacidad
========================= */
.tituloPolitica {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--secundario);
}

.subtitulo {
  font-size: 1.8rem;
  margin: 2rem 0 0.8rem;
  color: var(--primario);
}

.parrafo {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: var(--blanco);
}

.finAzul {
  color: blue;
}
.finAmarillo {
  color: yellow;
}
.finRojo {
  color: red;
}
.finVerde {
  color: green;
}