@media (max-width: 600px) {
  .main-content {
    flex-direction: column;
  }
  .left {
    order: 1;
  }
  .right {
    order: 2;
    margin-top: 18px;
    width: 98vw;
    min-width: 0;
    padding: 10px 1vw;
    border-radius: 10px;
    background: rgba(30,30,60,0.22);
    box-shadow: 0 1px 6px 0 rgba(144,32,43,0.10);
  }
}
@media (max-width: 900px) {
  .inti {
    min-height: 100vh;
    width: 100vw;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .main-content {
    flex-direction: column;
    gap: 32px;
    width: 100vw;
    align-items: stretch;
  }
  .left, .right {
    width: 96vw;
    min-width: 0;
    padding: 18px 2vw 18px 2vw;
    border-radius: 18px;
    margin: 0 auto 18px auto;
    background: rgba(30,30,60,0.18);
    box-shadow: 0 2px 12px 0 rgba(144,32,43,0.10);
  }
  .acciones {
    flex-direction: row;
    justify-content: flex-start;
    gap: 10px;
    margin-top: 12px;
  }
  .text-input, #texto2 {
    font-size: 17px;
    padding: 12px;
    min-height: 70px;
    border-radius: 10px;
  }
  .btn-encriptar, .btn-desencriptar, .btn-limpiar, #copiar, #descargar {
    font-size: 17px;
    padding: 14px 18px;
    border-radius: 10px;
    width: 100%;
    margin-bottom: 8px;
    min-width: 120px;
  }
  .left-button {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
    margin-top: 18px;
  }
  .options {
    flex-direction: column;
    gap: 8px;
    align-items: flex-start;
    margin-bottom: 10px;
  }
  .logoImg {
    width: 56px;
    height: 56px;
  }
  .tittle {
    font-size: 32px;
    margin: 0 0 0 10px;
  }
  .tech {
    font-size: 20px;
  }
  .Vector {
    gap: 10px;
    margin-bottom: 10px;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .inti {
    min-height: unset;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
  }
  .main-content {
    flex-direction: column;
    gap: 12px;
    width: 100vw;
    align-items: stretch;
  }
  .left, .right {
    width: 98vw;
    padding: 10px 1vw;
    border-radius: 10px;
    margin: 0 auto 12px auto;
    background: rgba(30,30,60,0.22);
    box-shadow: 0 1px 6px 0 rgba(144,32,43,0.10);
  }
  .logoImg {
    width: 38px;
    height: 38px;
  }
  .tittle {
    font-size: 20px;
    margin: 0 0 0 6px;
  }
  .tech {
    font-size: 13px;
  }
  .text-input, #texto2 {
    font-size: 13px;
    padding: 7px;
    min-height: 40px;
    border-radius: 7px;
  }
  .btn-encriptar, .btn-desencriptar, .btn-limpiar, #copiar, #descargar {
    font-size: 13px;
    padding: 8px 8px;
    border-radius: 7px;
    width: 100%;
    margin-bottom: 6px;
    min-width: 80px;
  }
  .left-button {
    flex-direction: column;
    gap: 7px;
    align-items: stretch;
    margin-top: 10px;
  }
  .options {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
    margin-bottom: 7px;
  }
  .Vector {
    gap: 6px;
    margin-bottom: 6px;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
  }
}
/* --- RESPONSIVE DESIGN --- */
@media (max-width: 1200px) {
  .inti {
    width: 98vw;
    padding: 10px 2vw;
  }
  .main-content {
    gap: 10px;
  }
}

@media (max-width: 900px) {
  .inti {
    min-height: 100vh;
    width: 100vw;
    padding: 10px 0;
  }
  .main-content {
    flex-direction: column;
    gap: 24px;
  }
  .left, .right {
    width: 100%;
    min-width: 0;
    padding: 10px 0;
  }
  .acciones {
    flex-direction: row;
    justify-content: flex-start;
  }
}

@media (max-width: 600px) {
  .inti {
    min-height: unset;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
  }
  .main-content {
    flex-direction: column;
    gap: 12px;
    width: 100vw;
  }
  .left, .right {
    width: 100vw;
    padding: 8px 2vw;
    border-radius: 0;
    min-width: 0;
  }
  .logoImg {
    width: 48px;
    height: 48px;
  }
  .tittle {
    font-size: 28px;
  }
  .tech {
    font-size: 18px;
  }
  .text-input, #texto2 {
    font-size: 15px;
    padding: 8px;
    min-height: 60px;
  }
  .btn-encriptar, .btn-desencriptar, .btn-limpiar, #copiar, #descargar {
    font-size: 15px;
    padding: 8px 12px;
  }
  .label-input {
    font-size: 15px;
  }
  .Vector {
    gap: 8px;
  }
}
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: 'Poppins', 'Roboto Mono', 'Rowdies', 'Rubik Bubbles', sans-serif;
  background: linear-gradient(135deg, #1a1a1a 0%, #90202b 100%);
  /* Fondo oscuro con degradado al rojo intenso */
  color: #fff;
}

  section {
    width: 100%;
    margin: 0;
  }
  
  .inti {
    margin: 40px auto;
    width: 1100px;
    min-height: 700px;
    padding: 30px 40px;
    border-radius: 32px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    background: rgba(255, 255, 255, 0.10);
    backdrop-filter: blur(12px);
    border: 1.5px solid rgba(255,255,255,0.18);
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .glass {
    background: rgba(30, 30, 60, 0.25);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(16px);
    border-radius: 32px;
    border: 1.5px solid rgba(255,255,255,0.18);
  }

  .main-content {
    display: flex;
    flex-direction: row;
    gap: 30px;
    width: 100%;
    height: 100%;
  }
  
  .text-input {
    width: 100%;
    min-height: 180px;
    background: rgba(30, 30, 60, 0.25);
    color: #fff;
    border: 1.5px solid #00ffe7;
    border-radius: 18px;
    font-size: 20px;
    line-height: 1.5;
    padding: 16px;
    margin-bottom: 18px;
    box-shadow: 0 2px 8px 0 rgba(0,255,231,0.08);
    transition: border 0.2s, box-shadow 0.2s;
  }
  .text-input:focus {
    border: 2px solid #00ffe7;
    box-shadow: 0 0 12px #00ffe7;
    outline: none;
  }
  
  .left {
    width: 60%;
    display: flex;
    flex-direction: column;
    gap: 10px;
    border-radius: 24px;
    background: rgba(0,0,0,0.10);
    padding: 20px 24px 10px 0;
  }
  
  .left-button {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 18px;
    margin-top: 10px;
    border-radius: 24px;
  }
  
  .btn-encriptar, .btn-desencriptar, .btn-limpiar {
    font-family: 'Rowdies', cursive;
    color: #fff;
    padding: 16px 32px;
    background: linear-gradient(90deg, #00ffe7 0%, #007cf0 100%);
    border: none;
    border-radius: 18px;
    font-size: 22px;
    margin: 0 8px 0 0;
    cursor: pointer;
    box-shadow: 0 2px 8px 0 rgba(0,255,231,0.15);
    transition: background 0.2s, box-shadow 0.2s, color 0.2s;
    text-shadow: 0 0 8px #00ffe7;
  }
  .btn-encriptar:hover, .btn-desencriptar:hover, .btn-limpiar:hover {
    background: linear-gradient(90deg, #007cf0 0%, #00ffe7 100%);
    color: #0f2027;
    box-shadow: 0 0 16px #00ffe7;
  }
  .btn-limpiar {
    background: linear-gradient(90deg, #ff00cc 0%, #333399 100%);
    color: #fff;
    font-size: 18px;
    padding: 10px 22px;
    margin-left: 12px;
    text-shadow: 0 0 8px #ff00cc;
  }
  .btn-limpiar:hover {
    background: linear-gradient(90deg, #333399 0%, #ff00cc 100%);
    color: #fff;
  }

  p{
    margin-left: 5%;
  }
  .right {
    width: 40%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    border-radius: 24px;
    background: rgba(0,0,0,0.10);
    padding: 24px 10px 10px 10px;
    min-height: 400px;
    gap: 10px;
  }
  
  #imgDer {
    margin-top: 10px;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    box-shadow: 0 0 16px #00ffe7;
    background: rgba(0,255,231,0.08);
    margin-bottom: 10px;
  }
  #texto2 {
    width: 100%;
    min-height: 120px;
    background: rgba(0,0,0,0.18);
    color: #00ffe7;
    border: 1.5px solid #00ffe7;
    border-radius: 14px;
    font-size: 18px;
    line-height: 1.5;
    padding: 12px;
    margin-top: 10px;
    margin-bottom: 10px;
    box-shadow: 0 2px 8px 0 rgba(0,255,231,0.08);
    text-align: left;
    resize: vertical;
  }
 
  .acciones {
    display: flex;
    flex-direction: row;
    gap: 12px;
    margin-top: 10px;
    width: 100%;
    justify-content: center;
  }
  #copiar, #descargar {
    font-family: 'Rowdies', cursive;
    color: #fff;
    font-size: 18px;
    padding: 10px 22px;
    background: linear-gradient(90deg, #00ffe7 0%, #007cf0 100%);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    box-shadow: 0 2px 8px 0 rgba(0,255,231,0.15);
    transition: background 0.2s, box-shadow 0.2s, color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  #copiar:hover, #descargar:hover {
    background: linear-gradient(90deg, #007cf0 0%, #00ffe7 100%);
    color: #0f2027;
    box-shadow: 0 0 16px #00ffe7;
  }
  .icon {
    font-size: 20px;
    margin-right: 4px;
  }
  .Vector {
    width: 100%;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 18px;
    margin-bottom: 10px;
  }
  .logoImg {
    width: 80px;
    height: 80px;
    border-radius: 18px;
    box-shadow: 0 0 16px #00ffe7;
    background: rgba(0,255,231,0.08);
  }
  .tittle {
    color: #fff;
    text-shadow: 0 0 8px #00ffe7, 0 0 16px #007cf0;
    font-size: 48px;
    font-family: 'Rowdies', cursive;
    margin: 0 0 0 18px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .tech {
    color: #00ffe7;
    font-size: 32px;
    text-shadow: 0 0 12px #00ffe7;
    margin-left: 8px;
    font-family: 'Rubik Bubbles', cursive;
  }
  textarea {
    resize: vertical;
    min-height: 80px;
    width: 100%;
    font-size: 18px;
    border-radius: 10px;
    border: none;
    padding: 8px;
    background: rgba(0,0,0,0.10);
    color: #fff;
  }
  .mensaje-info {
    color: #fff;
    font-size: 20px;
    margin: 10px 0 0 0;
    text-align: center;
    text-shadow: 0 0 8px #00ffe7;
  }
  .texto3 {
    width: 100%;
    margin-top: 10px;
    background: rgba(0,0,0,0.10);
    border-radius: 12px;
    padding: 8px 0;
    font-family: 'Roboto Mono', monospace;
  }

 

  .label-input {
    color: #00ffe7;
    font-size: 18px;
    margin-bottom: 6px;
    font-family: 'Roboto Mono', monospace;
    text-shadow: 0 0 8px #00ffe7;
  }
  .options {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
  }
  #algoritmo {
    background: rgba(0,0,0,0.18);
    color: #00ffe7;
    border: 1.5px solid #00ffe7;
    border-radius: 8px;
    font-size: 16px;
    padding: 6px 12px;
    margin-left: 6px;
    outline: none;
    transition: border 0.2s;
  }
  #algoritmo:focus {
    border: 2px solid #00ffe7;
    box-shadow: 0 0 8px #00ffe7;
  }
  h3{
    text-align: center;
  }
  
  #imgYt{
    float: right;
    margin-right: 5%;
    width: 10%;
    height: 10%;
  }
  
  .parrafo{
    text-align: center;
    color: white;
  }
  #btn-encriptar{
    color: white;
    font-size: 25px;
  }
  a {
    text-decoration: none;
  }