body {
    display: flex;
    flex-direction: row;
}

.left_block {
    position: relative;

    display: flex;
    flex-direction: column;
    align-items: center;
    width: 45vw;
    height: 100vh;
    
    background: rgb(18, 85, 164);
}

.logo {
    position: absolute;
    top: 38%;
    left: 50%;

    display: flex;

    animation: logo-animation 1s ease-out forwards;
}

img { width: 20vw; }

@keyframes logo-animation {
    0% {
        transform: translate(-50%, -50%) scale(0.4);
        opacity: 0;
    }
    100% {
        transform: translate(-50%, -50%) scale(1); 
        opacity: 1;
    }
}

.address {
    margin-top: auto;
    margin-bottom: 3vw;

    font-size: clamp(8px, 0.83vw, 12px);
    font-weight: 400;
    color: rgb(255, 255, 255);
    text-align: center;

    animation: address-opacity 4s ease-out 1s forwards;

    opacity: 0; 
}
 
@keyframes address-opacity {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

.right_block {
    display: flex;
    width: 55vw;
    height: 100vh;

    background: rgb(255, 255, 255);
}

.form {
    display: flex;
    flex-direction: column;
    width: 35vw;
    height: auto;
    margin-top: 14vw;
    margin-left: 6vw;

    background: rgb(255, 255, 255);
}

h2 { margin: 0; }

p {
    margin-top: 0.3vw;
    margin-bottom: 1vw;

    font-size: clamp(10px, 1.04vw, 15px);
    font-weight: 400;
}

.user_input {
    width: 100%;
    height: 4vw;
    margin-bottom: 2vw;
    padding-left: 3vw;

    font-size: clamp(12px, 1.39vw, 20px);
    color: rgb(35, 39, 42);
    background-color: rgb(255, 255, 255);

    border-radius: clamp(2px, 5px, 8px);
    border: 2px solid rgb(134, 134, 134);
}

.user_input:focus {
    border-color: rgb(18, 85, 164);
}

.user_input.error {
    font-weight: 300;
    background-color: rgb(252, 242, 244);

    border: 2px solid rgb(230, 62, 50);
}

.user_input.error:focus {
    color: rgb(35, 39, 42);
    background-color: rgb(255, 255, 255);
    
    border-color: rgb(18, 85, 164);
}

.user_input.error::placeholder { /* NOTE: Цвет текста при ошибки */
    color: rgb(230, 62, 50); 
}

button { 
    width: 100%;
    height: 4vw;
    margin: 0;

    font-size: clamp(10px, 1.04vw, 15px);
    font-weight: 500;
    letter-spacing: 0.1em;
    color: rgb(255, 255, 255);
    
    border-radius: 4px;
}

button:hover {
    font-weight: 600;
    color: rgb(18, 85, 164);
    background: rgb(255, 255, 255);
    
    border: 2px solid rgb(18, 85, 164); 
}