.start-card {
    display: grid;
    grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
    gap: 52px;

    max-width: 1120px;
    margin: 0 auto;
    padding: 42px;

    border-radius: 24px;
    background: rgba(255,255,255,.94);
}

.start-cover img {
    display: block;
    width: 100%;
    height: auto;

    border-radius: 12px;
    box-shadow: 0 14px 32px rgba(0,0,0,.18);
}


.start-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.start-context {
    margin-bottom: 10px;

    font-size: 13px;
    font-weight: 800;
    letter-spacing: .1em;
    text-transform: uppercase;

    color: #777;
}

.start-content h1 {
    margin: 0;

    font-size: clamp(38px, 5vw, 58px);
    line-height: 1.05;
}

.start-part-title {
    margin-top: 18px;

    font-size: 22px;
    font-weight: 800;
    line-height: 1.3;
}

.start-tagline {
    margin-top: 8px;

    font-size: 16px;
    line-height: 1.5;

    color: #666;
}


.start-demo-info {
    display: grid;
    gap: 4px;

    margin-top: 30px;
    padding: 16px 18px;

    border-radius: 14px;
    background: rgba(0,0,0,.045);
}

.start-demo-info strong {
    font-size: 17px;
}

.start-demo-info span {
    font-size: 14px;
    line-height: 1.45;
    color: #666;
}


.start-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;

    margin-top: 30px;
}

.start-field {
    display: grid;
    gap: 7px;
}

.start-field label {
    font-size: 14px;
    font-weight: 800;
}

.start-field input {
    width: 100%;
    box-sizing: border-box;

    padding: 13px 14px;

    border: 1px solid rgba(0,0,0,.25);
    border-radius: 10px;

    background: #fff;

    font: inherit;
}

.start-field input:focus {
    outline: 2px solid rgba(0,0,0,.18);
    outline-offset: 1px;
}

.start-submit {
    grid-column: 1 / -1;

    margin-top: 4px;
}

.start-error {
    margin-top: 22px;
    padding: 12px 14px;

    border-radius: 10px;
    background: rgba(180,0,0,.08);

    font-size: 14px;
}


@media (max-width: 760px) {

    .start-card {
        grid-template-columns: 1fr;

        padding: 26px;
        gap: 30px;
    }

    .start-cover {
        max-width: 280px;
        margin: 0 auto;
    }

    .start-form {
        grid-template-columns: 1fr;
    }

}