@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Rubik:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --clr-bg: #02044a;
    --clr-text: #fff;
    --clr-white: #fff;
    --clr-black: #02044a;
    --clr-gray: #bfbfbf;
    --clr-gray-sec: #4f5196;

    --clr-green: #25cd89;
    --clr-yellow: #ead365;
    --clr-red: #e04d4d;

    --clr-modelo-1: rgba(125, 98, 232, 0.25);
    --clr-modelo-2: rgba(232, 98, 98, 0.25);
    --clr-modelo-3: rgba(232, 158, 98, 0.25);
    --clr-modelo-4: rgba(152, 232, 98, 0.25);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Rubik', sans-serif;
}

body {
    background-color: var(--clr-bg);
    color: var(--clr-text);
    padding-block: 4rem;
    background-image: url("../img/bg.jpg");
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}


.container {
    width: 1140px;
    max-width: 100%;
    padding-inline: 1.5rem;
    margin: 0 auto;
}

.header {
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--clr-gray-sec);
}

.title {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--clr-black);
}

.form {
    padding-block: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.steps-group {
    display: grid;
    grid-template-columns: 5rem 1fr;
    border: 1px solid var(--clr-gray-sec);
    border-radius: 1rem;
    background: rgba( 255, 255, 255, 0.25 );
    box-shadow: 0 8px 32px 0 rgba( 31, 38, 135, 0.37 );
    backdrop-filter: blur( 4px );
    -webkit-backdrop-filter: blur( 4px );
    border: 1px solid rgba( 255, 255, 255, 0.18 );
}

.modelo-1 {
    background-color: var(--clr-modelo-1);
}

.modelo-2 {
    background-color: var(--clr-modelo-2);
}

.modelo-3 {
    background-color: var(--clr-modelo-3);
}

.modelo-4 {
    background-color: var(--clr-modelo-4);
}

.modelo {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: start;
    padding: 2rem 1rem;
    background-color: var(--clr-white);
    color: var(--clr-black);
    border-radius: 1rem 0 0 1rem;
}

.modelo-1 .modelo {
    background-color: var(--clr-modelo-1);
    color: var(--clr-white);
}

.modelo-2 .modelo {
    background-color: var(--clr-modelo-2);
    color: var(--clr-white);
}

.modelo-3 .modelo {
    background-color: var(--clr-modelo-3);
    color: var(--clr-white);
}

.modelo-4 .modelo {
    background-color: var(--clr-modelo-4);
    color: var(--clr-white);
}

.modelo h2 {
    font-weight: 500;
    font-size: 1.2rem;
    writing-mode: vertical-rl;
    transform: rotateZ(180deg);
    line-height: 1;
    position: sticky;
    top: 2rem;
    text-transform: uppercase;
    text-align: right;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.modelo h2 img {
    width: 3rem;
}

.steps-group-body {
    padding: 1rem;
    border-left: 1px solid var(--clr-gray-sec);
}


.principio {
    position: sticky;
    top: 0;
    padding: .75rem 1rem;
    border-radius: 0 0 .5rem .5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--clr-gray-sec);
    background-color: var(--clr-white);
    color: var(--clr-black);
}

/* .principio {
    background: rgba( 255, 255, 255, 0.25 );
    box-shadow: 0 8px 32px 0 rgba( 31, 38, 135, 0.37 );
    backdrop-filter: blur( 4px );
    -webkit-backdrop-filter: blur( 4px );
    border: 1px solid rgba( 255, 255, 255, 0.18 );
} */

.principio h3 {
    font-weight: 500;
    font-size: 1.1rem;
}

.temas {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tema {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--clr-text);
    border-radius: .5rem;
    color: var(--clr-bg);
}

.tema h4 {
    font-size: 1rem;
    font-weight: 500;
}

.comportamientos {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.comportamientos.doble {
    border-top: 2px solid var(--clr-white);
    padding-top: 1rem;
}

.comportamientos > input[type=radio] {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
}

.comportamientos > input[type=radio] + label {
    padding: 1.5rem;
    border: 1px solid var(--clr-gray-sec);
    border-radius: .5rem;
    cursor: pointer;
    background-color: var(--clr-white);
    transition: .2s;
}

.comportamientos > input[type=radio] + label:hover {
    padding: 1.5rem;
    border: 1px solid var(--clr-gray);
    background-color: var(--clr-gray);
    cursor: pointer;
}

.comportamientos > input[type=radio].rojo:checked + label {
    background-color: var(--clr-red);
    border-color: var(--clr-red);
}

.comportamientos > input[type=radio].amarillo:checked + label {
    background-color: var(--clr-yellow);
    border-color: var(--clr-yellow);
}

.comportamientos > input[type=radio].verde:checked + label {
    background-color: var(--clr-green);
    border-color: var(--clr-green);
}

.tema textarea {
    background-color: var(--clr-white);
    border: 1px solid var(--clr-black);
    border-radius: .5rem;
    color: var(--clr-black);
    padding: 1rem;
    resize: none;
}

.tema textarea:focus {
    outline: 0;
    border: 1px solid var(--clr-black);
}

@media screen and (max-width: 768px) {
    body {
        padding-block: 2rem;
    }

    .comportamientos {
        grid-template-columns: 1fr;
    }

    .steps-group {
        grid-template-columns: 3rem 1fr;
    }

    .modelo h2 {
        font-size: 1.1rem;
    }

    .principio h3 {
        font-size: 1rem;
    }
}
  <!-- botones -->

@import url("https://fonts.googleapis.com/css2?family=Luckiest+Guy&family=Pacifico&family=Pangolin&display=swap");

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



.container{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    column-gap: 60px;
}

h3 {
    padding: 50px 0;
    font-size: 45px;
    text-align: center;
    color: white;
}

button {
    position: relative;
    background: transparent;
    box-sizing: border-box;
    border-radius: 0.6rem;
    align-self: center;
    font-size: 17px;
    font-weight: 400;
    margin: 20px;
    padding: 20px 40px;
    text-align: center;
    color: aliceblue;
    font-family: Pangolin;
    font-weight: bold;
    cursor: pointer;
    top: 50%;
    text-transform: uppercase;
}

.buttonBox {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1000px;
    margin: 10px auto 35px;
}

.button1 {
    background: linear-gradient(to right, #FF5F87, #FB0779);
    ;
}

.button1:hover {
    box-shadow: 0 3px 3px 0 rgb(173, 17, 17);
    transform: translateY(-10px);
    background: lavender;
    border: none;
    color: rgb(22, 6, 26);
    font-size: large;
}

.button2 {
    border: solid 2px rgb(85, 209, 182);
}

.button2:hover {
    transition: ease-in 1s;
    box-shadow: inset 300px 0 0 0 rgb(85, 209, 182);
    color: rgb(11, 11, 15);
}

.button3 {
    border: solid 2px rgb(205, 169, 50);
}

.button3:hover {
    transition: 0.4s ease-in-out;
    background: rgb(205, 169, 50);
    color: rgb(14, 14, 17);
}

.button4 {
    border: 2px solid aqua;
}

.button4:hover {
    color: aqua;
    box-shadow: 0 0 5px #03e9f4,
        0 0 25px #03e9f4,
        0 0 50px #03e9f4,
        0 0 100px #03e9f4;
}

.button5 {
    background-color: transparent;
    border: 3px solid #ed0d54;
    color: #f8f5f6;
}

.button5:hover {
    animation: beats 1s infinite;
    transition: .3s;
}

@keyframes beats {
    0% {
        transform: scale(1);
    }

    60% {
        transform: scale(.9);
        box-shadow: 10px 10px 0 rgb(214, 28, 78, 0.3);
    }

    100% {
        transform: scale(1);
    }
}

.button6 {
    border: solid 2px rgb(185, 129, 182);
    backface-visibility: hidden;
}

.button6:hover {
    box-shadow: 0 6px 7px -1px #ffffff;
    transform: translateY(-15%);
}

.button7 { 
    background: #ea0000;
    transform: translateY(30px);
}

.button7:hover { 
    animation:  vibrate 100ms ease-in-out;  
    animation-iteration-count: 7;
}


@keyframes vibrate {
    0% {
        transform: rotate(7deg);
    }
    100% {
        transform: rotate(0deg);
    }
}

.button8 {
    border: none;
    width: 8em;
    height: 3.5em;
    border-radius: 0.6rem;
    cursor: pointer;
    transform: translateX(-50%);
  }

.button8 span {
    background: linear-gradient(#F9629F, #FF69B4);
    display: inline-block;
    position: absolute;
    border-radius: 0.6rem;
    width: 8em;
    height: 3.5em;
    transition: all .8s;
    line-height: 60px;
    backface-visibility: hidden;
    text-transform: uppercase;
  }

.button8 span:nth-child(1) {
    transform: rotateY(0deg);
  }
  .button8 span:nth-child(2) {
    transform: rotateY(180deg);
  }
  .button8:hover span:nth-child(1) {
    transform: rotateY(180deg);
  }
  .button8:hover span:nth-child(2) {
    transform: rotateY(0deg);
  }

  .button9 {
    border: none;
    width: 8em;
    height: 3.5em;
    cursor: pointer;
    perspective: 1000px;
    transform: translateX(-50%);
  }

  .button9 span {
    background: #8009b7;
    display: inline-block;
    position: absolute;
    border-radius: 0.6rem;
    width: 8em;
    height: 3.5em;
    transition: all .5s;
    line-height: 60px;
    backface-visibility: hidden;
    text-transform: uppercase;
    perspective: 300px;
  }

.button9 span:nth-child(1) {
    transform: rotateX(0deg);
  }

  .button9 span:nth-child(2) {
    transform: rotateX(180deg);
  }
  .button9:hover span:nth-child(1) {
    transform: rotateX(-90deg);
  }
  .button9:hover span:nth-child(2) {
    transform: rotateX(0deg);
    background: #e70a54;
  }

.button10 {
    background-image: linear-gradient(to right, #b015a8, #beb3bd, #8a03f9);
    background-size: 400% 100%;
    transition: all .5s ease-in-out;
    transform: translateY(50%);
}

.button10:hover {
    background-position: 100% 0;
}

.button11:hover {
    background: #03e9f4;
    box-shadow: 0 0 4px #03e9f4, 0 0 30px #03e9f4, 
    0 0 40px #03e9f4, 0 0 150px #03e9f4;
    border: none;
}

  /* MEDIA QUERIES */
@media (max-width: 700px){
  .buttonBox{
    width: 50%;
  }

  .buttonBox:nth-child(even){
    background-color: var(--even);
    }

    .buttonBox:nth-child(odd){
    background-color: var(--odd);
    }

}

@media (max-width: 420px){
  .buttonBox{
    width: 100%;
  }

  .buttonBox:nth-child(even){
    background-color: var(--even)
  }

  .buttonBox:nth-child(odd){
    background-color:var(--odd);
  }

}
 <!-- botones  -->