/**
 * Стили формы заявки.
 * Разметка — partial lead-form.php. Стили отдельно от layout.
 */

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.35rem 1.35rem 1.25rem;
    border: 1px solid var(--line);
    border-radius: calc(var(--radius) + 0.2rem);
    background: color-mix(in srgb, #ffffff 88%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 18px 40px color-mix(in srgb, #132029 8%, transparent);
}

.lead-form__head {
    margin-bottom: 0.15rem;
}

.lead-form__title {
    margin: 0 0 0.35rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 1.15rem;
    letter-spacing: -0.02em;
}

.lead-form__lead {
    margin: 0;
    color: var(--muted);
    font-size: 0.95rem;
}

.lead-form__channels {
    margin: 0;
    padding: 0;
    border: 0;
    min-inline-size: 0;
}

.lead-form__legend {
    padding: 0;
    margin: 0 0 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}

.lead-form__channel-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.45rem;
}

.lead-form__channel {
    position: relative;
    display: block;
    cursor: pointer;
}

.lead-form__channel input {
    position: absolute;
    opacity: 0;
    inset: 0;
    margin: 0;
    cursor: pointer;
}

.lead-form__channel-face {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    min-height: 4.4rem;
    padding: 0.55rem 0.25rem;
    border: 1.5px solid #e5e7eb;
    border-radius: var(--radius);
    background: #fff;
    color: var(--muted);
    transition:
        border-color 0.2s var(--ease),
        background 0.2s var(--ease),
        color 0.2s var(--ease);
}

.lead-form__channel-icon {
    display: inline-flex;
    width: 1.35rem;
    height: 1.35rem;
}

.lead-form__channel-icon svg {
    width: 100%;
    height: 100%;
    display: block;
}

.lead-form__channel[for$="-max"] .lead-form__channel-icon {
    width: 1.55rem;
    height: 1.55rem;
}

.lead-form__channel[for$="-max"]:hover .lead-form__channel-face,
.lead-form__channel[for$="-max"]:has(input:checked) .lead-form__channel-face,
.lead-form__channel[for$="-max"]:focus-within .lead-form__channel-face {
    color: var(--accent);
}

.lead-form__channel-label {
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1.15;
    text-align: center;
}

.lead-form__channel:hover .lead-form__channel-face {
    color: var(--text);
    border-color: color-mix(in srgb, #0f6b63 35%, #e5e7eb);
}

.lead-form__channel:has(input:checked) .lead-form__channel-face,
.lead-form__channel input:checked + .lead-form__channel-face {
    color: var(--text);
    border-color: var(--accent);
    background: #e7f3f1;
    box-shadow: none;
}

.lead-form__channel:has(input:focus-visible) .lead-form__channel-face,
.lead-form__channel input:focus-visible + .lead-form__channel-face {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.lead-form__fields {
    display: grid;
    gap: 0.75rem;
}

.lead-form__field {
    display: grid;
    gap: 0.35rem;
}

.lead-form__field span {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--muted);
}

.lead-form__field input {
    width: 100%;
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--text);
    font: inherit;
    font-weight: 500;
    transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.lead-form__field input::placeholder {
    color: color-mix(in srgb, var(--muted) 70%, transparent);
}

.lead-form__field input:focus {
    outline: none;
    border-color: color-mix(in srgb, #0f6b63 45%, transparent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.lead-form__submit {
    width: 100%;
    margin-top: 0.15rem;
}

.lead-form__privacy {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.45;
    color: var(--muted);
}

.lead-form__hp {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.lead-form--hero {
    width: min(100%, 400px);
    justify-self: end;
    align-self: start;
    border-color: color-mix(in srgb, #ffffff 35%, transparent);
    background: color-mix(in srgb, #ffffff 92%, transparent);
    box-shadow: 0 22px 48px color-mix(in srgb, #000 28%, transparent);
}

.lead-form--page {
    width: 100%;
    max-width: 440px;
}

.lead-form--band {
    width: 100%;
    max-width: none;
}

@media (max-width: 420px) {
    .lead-form__channel-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .lead-form__channel-face {
        min-height: 3.9rem;
    }
}