@font-face { font-family: "MoscowUniversity"; src: url("fonts/MoscowUniversity-Regular.woff") format("woff"); font-weight: 400; font-display: swap; }

:root {
    --msu-dark: #14005c;
    --msu-violet: #4323d7;
    --msu-violet-hover: #3217b8;
    --page-bg: #f3f6fb;
    --text: #171525;
    --muted: #636575;
    --border: #d9dce6;
    --border-dark: #b8bcc9;
    --error: #a8202d;
}

* { box-sizing: border-box; }
body {
    margin: 0;
    color: var(--text);
    background: var(--page-bg);
    font: 16px/1.5 Arial, sans-serif;
}
a { color: var(--msu-violet); text-underline-offset: 3px; }
button, input, select { font: inherit; }

.site-header { min-height: 53px; color: #fff; background: var(--msu-dark); }
.header-inner, .site-main { width: min(1110px, calc(100% - 40px)); margin: 0 auto; }
.header-inner {
    min-height: 53px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.brand { max-width: 299px; display: block; }
.brand-logo { width: 100%; height: auto; display: block; }
.header-contact { color: #fff; font-size: 13px; text-decoration: none; }
.site-main { padding: 42px 0 64px; }
.content-card { background: #fff; border: 1px solid var(--border); }
.content-card h1 {
    margin: 0;
    font-family: "MoscowUniversity", Arial, sans-serif;
    font-size: 36px;
    font-weight: 400;
    line-height: 46px;
}

@media (max-width: 90rem) {
    .content-card h1 { font-size: 30px; line-height: 36px; }
}

.home-page, .success-page { margin: 0 auto; }
.home-page { max-width: 900px; padding: 48px 54px 54px; }
.home-page h1 { margin-bottom: 28px; }
.home-copy { max-width: 760px; }
.home-copy p { margin: 0 0 20px; }

.primary-button, .submit-row button {
    min-height: 50px;
    padding: 0 20px;
    display: inline-flex;
    align-items: center;
    gap: 28px;
    color: #fff;
    background: var(--msu-violet);
    border-radius: 3px;
    font-weight: 600;
    justify-content: space-between;
    text-decoration: none;
}
.primary-button { min-width: 230px; margin-top: 12px; }
.submit-row button { min-width: 220px; border: 0; cursor: pointer; }
.primary-button:hover, .submit-row button:hover { background: var(--msu-violet-hover); }

.form-page { padding: 38px 42px 46px; }
.form-page h1 { margin-bottom: 32px; }
.alert-error {
    margin-bottom: 20px;
    padding: 13px 16px;
    color: #77121c;
    background: #fff1f2;
    border: 1px solid #e5bfc3;
    font-size: 14px;
}

.form-section {
    padding: 30px 0 34px;
    border-top: 1px solid var(--border);
}
.form-section:first-of-type { padding-top: 0; border-top: 0; }
.field label b, .check-row b { color: var(--error); }

.field-grid { display: grid; gap: 20px 24px; }
.field-grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.field-grid-two, .upload-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field { min-width: 0; }
.field label { margin-bottom: 7px; display: block; font-size: 14px; font-weight: 500; }

input[type="text"], input[type="email"], input[type="tel"], select {
    width: 100%;
    height: 44px;
    padding: 0 12px;
    color: var(--text);
    background: #fff;
    border: 1px solid var(--border-dark);
    border-radius: 2px;
    outline: none;
}
select { padding-right: 34px; }
input:focus, select:focus { border-color: var(--msu-violet); box-shadow: 0 0 0 2px rgb(67 35 215 / 14%); }
input.is-invalid, select.is-invalid { border-color: var(--error); }
.field-error, .field-hint { margin-top: 6px; display: block; color: var(--muted); font-size: 12px; }
.field-error { color: var(--error); font-style: normal; }

.translit-hint { margin: 22px 0 16px; }

.upload-intro { max-width: 740px; margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.upload-grid { display: grid; gap: 18px; }
.upload-field input[type="file"] {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
    pointer-events: none;
}
.upload-field label {
    min-height: 126px;
    padding: 18px;
    display: grid;
    grid-template-rows: auto auto 1fr;
    background: #fafbfe;
    border: 1px dashed var(--border-dark);
    cursor: pointer;
}
.upload-field label:hover { background: #f1efff; border-color: var(--msu-violet); }
.upload-field input:focus + label { box-shadow: 0 0 0 2px rgb(67 35 215 / 14%); }
.upload-field.is-invalid label { border-color: var(--error); }
.upload-field strong { font-size: 15px; font-weight: 600; line-height: 1.3; }
.upload-field .required-label::after { content: " *"; color: var(--error); }
.upload-field label small { color: var(--muted); font-size: 12px; }
.upload-field label em {
    align-self: end;
    color: var(--msu-violet);
    font-size: 12px;
    font-style: normal;
    font-weight: 600;
}

.consents { display: grid; gap: 8px; }
.check-row {
    padding: 11px 12px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border: 1px solid transparent;
    cursor: pointer;
    font-size: 13px;
}
.check-row:hover { background: var(--page-bg); }
.check-row.is-invalid { background: #fff7f8; border-color: #e5bfc3; }
.check-row input {
    width: 17px;
    height: 17px;
    margin: 1px 0 0;
    flex: none;
    accent-color: var(--msu-violet);
}

.submit-row { padding-top: 30px; }
.submit-row button:disabled { cursor: not-allowed; opacity: .5; }
.submit-row button b { font-size: 19px; }

.success-page {
    max-width: 760px;
    padding: 52px 54px 56px;
}
.success-lead { max-width: 600px; margin: 24px 0 0; color: var(--muted); font-size: 17px; }
.next-steps {
    margin: 34px 0 0;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.next-steps > div { padding: 20px 14px; display: flex; gap: 10px; }
.next-steps > div + div { border-left: 1px solid var(--border); }
.next-steps span { color: var(--msu-violet); font-weight: 600; }
.next-steps p { margin: 0; color: var(--muted); font-size: 12px; }
.next-steps strong { margin-bottom: 4px; display: block; color: var(--text); font-size: 14px; }

@media (max-width: 800px) {
    .field-grid-three, .field-grid-two, .upload-grid { grid-template-columns: 1fr; }
    .form-page { padding: 30px 24px 36px; }
}

@media (max-width: 600px) {
    .header-inner, .site-main { width: min(100% - 28px, 1110px); }
    .brand { width: min(240px, 100%); }
    .header-contact { display: none; }
    .site-main { padding: 30px 0 44px; }
    .home-page { padding: 30px 22px 34px; }
    .primary-button, .submit-row button { width: 100%; }
    .form-page { padding: 25px 18px 30px; }
    .form-section { padding: 26px 0 30px; }
    .success-page { padding: 34px 24px 38px; }
    .next-steps { grid-template-columns: 1fr; }
    .next-steps > div + div { border-top: 1px solid var(--border); border-left: 0; }
}