.register-section {
    min-height: 820px;
    padding-block: 100px;
    display: flex;
    align-items: center;
}

.register-layout {
    display: grid;
    grid-template-columns: 1fr minmax(420px, 560px);
    gap: 90px;
    align-items: center;
}

.register-introduction h1 {
    margin: 12px 0 25px;
    font-family: "Cinzel", serif;
    font-size: clamp(48px, 6vw, 76px);
    line-height: 1;
}

.register-introduction > p {
    max-width: 620px;
    color: var(--text-muted);
    font-size: 18px;
}

.register-introduction ul {
    margin: 38px 0 0;
    padding: 0;
    display: grid;
    gap: 17px;
    list-style: none;
}

.register-introduction li {
    position: relative;
    padding-left: 30px;
    color: #c4d0d5;
}

.register-introduction li::before {
    content: "✦";
    position: absolute;
    left: 0;
    color: var(--primary);
}

.register-card {
    padding: 42px;
    border: 1px solid var(--surface-border);
    border-radius: 24px;
    background: linear-gradient(145deg, rgba(17, 37, 48, .96), rgba(8, 22, 30, .94));
    box-shadow: var(--shadow);
}

.register-card header h2 {
    margin: 0;
    font-family: "Cinzel", serif;
    font-size: 29px;
}

.register-card header p {
    margin: 7px 0 30px;
    color: var(--text-muted);
}

.register-form {
    display: grid;
    gap: 21px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-field {
    display: grid;
    gap: 8px;
}

.form-field label {
    color: #dbe5e8;
    font-size: 13px;
    font-weight: 700;
}

.form-field input {
    width: 100%;
    min-height: 52px;
    padding: 0 15px;
    border: 1px solid rgba(255,255,255,.11);
    outline: none;
    border-radius: 10px;
    color: var(--text);
    background: rgba(3, 12, 17, .55);
    transition: border-color .2s ease, box-shadow .2s ease;
}

.form-field input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(216, 182, 108, .1);
}

.form-field input::placeholder {
    color: #58707b;
}

.form-field small {
    color: #718690;
    font-size: 11px;
}

.field-validation-error,
.validation-summary-errors {
    color: var(--danger);
    font-size: 12px;
}

.terms-field {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: var(--text-muted);
    font-size: 13px;
}

.terms-field input {
    width: 17px;
    height: 17px;
    margin-top: 3px;
    accent-color: var(--primary);
}

.terms-field a {
    color: var(--primary-light);
}

.register-submit {
    min-height: 56px;
    border: 0;
    border-radius: 11px;
    color: #10130f;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 18px 35px rgba(216, 182, 108, .16);
    transition: transform .2s ease, filter .2s ease;
}

.register-submit:hover {
    transform: translateY(-2px);
    filter: brightness(1.06);
}

.form-message {
    margin-bottom: 22px;
    padding: 13px 15px;
    border-radius: 10px;
    font-size: 13px;
}

.form-message-error {
    border: 1px solid rgba(255, 123, 123, .25);
    color: #ffc1c1;
    background: rgba(120, 30, 30, .18);
}

.registration-success {
    padding-block: 40px;
    display: grid;
    justify-items: center;
    text-align: center;
}

.registration-success > span {
    width: 74px;
    height: 74px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(100, 215, 161, .45);
    border-radius: 50%;
    color: var(--success);
    font-size: 34px;
    background: rgba(100, 215, 161, .08);
}

.registration-success h2 {
    margin: 24px 0 8px;
    font-family: "Cinzel", serif;
    font-size: 31px;
}

.registration-success p {
    max-width: 380px;
    margin: 0 0 27px;
    color: var(--text-muted);
}

@media (max-width: 950px) {
    .register-layout {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

@media (max-width: 580px) {
    .register-section {
        padding-block: 60px;
    }

    .register-card {
        padding: 27px 20px;
    }

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