/* ==========================================================================
   Модальная форма обратного звонка

   Все значения вынесены в токены на корневых элементах компонента,
   а не в :root — иначе они протекали бы на весь сайт и конфликтовали
   с чужими именами. Переопределяются снаружи одним блоком:

       .cbm-overlay, .cbm-trigger {
           --cbm-accent: #1a6fb5;
           --cbm-accent-hover: #14568d;
           --cbm-radius: 8px;
       }
   ========================================================================== */

.cbm-overlay,
.cbm-trigger {
    /* --- палитра --- */
    --cbm-accent:         #cf1225;
    --cbm-accent-hover:   #a80d1c;
    --cbm-accent-muted:   #d9a3a9;
    --cbm-on-accent:      #fff;

    --cbm-surface:        #fff;
    --cbm-field-bg:       #fdeff1;
    --cbm-field-bg-focus: #fff;
    --cbm-border:         #f0c4c9;

    --cbm-text:           #3a3a3a;
    --cbm-text-muted:     #9a9a9a;
    --cbm-text-faint:     #c0c0c0;
    --cbm-placeholder:    #d3a8ad;

    --cbm-backdrop:       rgba(30, 10, 12, .55);
    --cbm-shadow:         0 12px 40px rgba(0, 0, 0, .3);
    --cbm-shadow-trigger: 0 4px 12px rgba(0, 0, 0, .22);
    --cbm-shadow-trigger-hover: 0 6px 16px rgba(0, 0, 0, .28);
    --cbm-focus-ring:     0 0 0 3px rgba(207, 18, 37, .12);

    /* --- геометрия --- */
    --cbm-radius:         3px;
    --cbm-control-height: 52px;
    --cbm-width:          520px;
    --cbm-padding:        36px 40px 28px;
    --cbm-gap:            10px;

    /* --- типографика: по умолчанию наследуется от сайта --- */
    --cbm-font:           inherit;
    --cbm-title-size:     26px;
    --cbm-subtitle-size:  16px;
    --cbm-control-size:   17px;
    --cbm-submit-size:    16px;
    --cbm-hint-size:      13px;
    --cbm-legal-size:     11px;

    /* --- плавающая кнопка --- */
    --cbm-trigger-size:   64px;
    --cbm-trigger-icon:   28px;
    --cbm-trigger-offset: 28px;
    --cbm-pulse-scale:    1.55;
    --cbm-pulse-duration: 2.4s;

    /* --- слои и анимация --- */
    --cbm-z:              10000;
    --cbm-z-trigger:      9990;
    --cbm-transition:     .18s ease;
}

/* ==========================================================================
   Оверлей и окно
   ========================================================================== */

.cbm-overlay {
    position: fixed;
    inset: 0;
    z-index: var(--cbm-z);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    overflow-y: auto;
    background: var(--cbm-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--cbm-transition), visibility var(--cbm-transition);
}

.cbm-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

.cbm {
    position: relative;
    width: 100%;
    max-width: var(--cbm-width);
    margin: auto;
    padding: var(--cbm-padding);
    box-sizing: border-box;
    background: var(--cbm-surface);
    border-radius: var(--cbm-radius);
    box-shadow: var(--cbm-shadow);
    font-family: var(--cbm-font);
    color: var(--cbm-text);
    text-align: center;
    transform: translateY(-12px);
    transition: transform var(--cbm-transition);
}

.cbm-overlay.is-open .cbm {
    transform: translateY(0);
}

/* ==========================================================================
   Заголовки
   ========================================================================== */

.cbm__title {
    margin: 0 0 14px;
    font-size: var(--cbm-title-size);
    font-weight: 700;
    line-height: 1.2;
    color: var(--cbm-accent);
}

.cbm__subtitle {
    margin: 0 0 22px;
    font-size: var(--cbm-subtitle-size);
    line-height: 1.35;
    color: var(--cbm-accent);
}

/* ==========================================================================
   Поле и кнопка
   ========================================================================== */

.cbm__row {
    display: flex;
    gap: var(--cbm-gap);
}

.cbm__input {
    flex: 1;
    min-width: 0;
    height: var(--cbm-control-height);
    padding: 0 14px;
    box-sizing: border-box;
    border: 1px solid var(--cbm-border);
    border-radius: var(--cbm-radius);
    background: var(--cbm-field-bg);
    font-family: inherit;
    font-size: var(--cbm-control-size);
    color: var(--cbm-text);
}

.cbm__input::placeholder {
    color: var(--cbm-placeholder);
}

.cbm__input:focus {
    outline: none;
    border-color: var(--cbm-accent);
    background: var(--cbm-field-bg-focus);
    box-shadow: var(--cbm-focus-ring);
}

.cbm__input.is-invalid {
    border-color: var(--cbm-accent);
}

.cbm__submit {
    height: var(--cbm-control-height);
    padding: 0 26px;
    border: 0;
    border-radius: var(--cbm-radius);
    background: var(--cbm-accent);
    color: var(--cbm-on-accent);
    font-family: inherit;
    font-size: var(--cbm-submit-size);
    font-weight: 700;
    text-transform: uppercase;
    white-space: nowrap;
    cursor: pointer;
    transition: background .15s ease;
}

.cbm__submit:hover {
    background: var(--cbm-accent-hover);
}

.cbm__submit:disabled {
    background: var(--cbm-accent-muted);
    cursor: default;
}

.cbm__hint {
    margin: 8px 0 0;
    min-height: 16px;
    font-size: var(--cbm-hint-size);
    line-height: 16px;
    color: var(--cbm-accent);
    text-align: left;
}

/* ловушка для ботов */
.cbm__trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

/* ==========================================================================
   Мессенджеры и служебные строки
   ========================================================================== */

.cbm__messengers {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 18px;
}

.cbm__messengers span {
    font-size: 14px;
    color: var(--cbm-text-muted);
}

.cbm-msg {
    display: block;
    width: 34px;
    height: 34px;
    transition: transform .15s ease;
}

.cbm-msg:hover {
    transform: translateY(-2px);
}

.cbm-msg svg {
    display: block;
    width: 100%;
    height: 100%;
}

.cbm__dismiss {
    display: inline-block;
    margin-top: 22px;
    padding: 0;
    border: 0;
    background: none;
    font-family: inherit;
    font-size: 15px;
    color: var(--cbm-text-muted);
    text-decoration: underline;
    cursor: pointer;
}

.cbm__dismiss:hover {
    color: var(--cbm-text);
}

.cbm__legal {
    margin: 14px 0 0;
    font-size: var(--cbm-legal-size);
    line-height: 1.4;
    color: var(--cbm-text-faint);
}

.cbm__legal a {
    color: inherit;
    text-decoration: underline;
}

/* ==========================================================================
   Состояние после отправки
   ========================================================================== */

.cbm__done {
    display: none;
}

.cbm.is-done .cbm__form-view {
    display: none;
}

.cbm.is-done .cbm__done {
    display: block;
}

.cbm.is-done .cbm__title {
    margin-bottom: 10px;
}

/* ==========================================================================
   Плавающая кнопка вызова
   ========================================================================== */

.cbm-trigger {
    position: fixed;
    bottom: var(--cbm-trigger-offset);
    z-index: var(--cbm-z-trigger);
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--cbm-trigger-size);
    height: var(--cbm-trigger-size);
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--cbm-accent);
    color: var(--cbm-on-accent);
    cursor: pointer;
    box-shadow: var(--cbm-shadow-trigger);
    transition: background .15s ease, transform .15s ease, box-shadow .15s ease;
}

.cbm-trigger--right {
    right: var(--cbm-trigger-offset);
}

.cbm-trigger--left {
    left: var(--cbm-trigger-offset);
}

.cbm-trigger:hover {
    background: var(--cbm-accent-hover);
    transform: scale(1.06);
    box-shadow: var(--cbm-shadow-trigger-hover);
}

.cbm-trigger:focus-visible {
    outline: 3px solid var(--cbm-on-accent);
    outline-offset: 3px;
}

.cbm-trigger__icon {
    display: block;
    width: var(--cbm-trigger-icon);
    height: var(--cbm-trigger-icon);
}

.cbm-trigger__icon svg {
    display: block;
    width: 100%;
    height: 100%;
}

/* Расходящееся кольцо. Именно кольцо, а не залитый круг: заливка
   при увеличении даёт мутное пятно поверх кнопки. */
.cbm-trigger::before,
.cbm-trigger::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid var(--cbm-accent);
    opacity: 0;
    pointer-events: none;
}

.cbm-trigger--pulse-always::before {
    animation: cbm-pulse var(--cbm-pulse-duration) ease-out infinite;
}

.cbm-trigger--pulse-always::after {
    animation: cbm-pulse var(--cbm-pulse-duration) ease-out .8s infinite;
}

/* пять циклов после загрузки, дальше кнопка успокаивается */
.cbm-trigger--pulse-once::before {
    animation: cbm-pulse var(--cbm-pulse-duration) ease-out 5;
}

.cbm-trigger--pulse-once::after {
    animation: cbm-pulse var(--cbm-pulse-duration) ease-out .8s 5;
}

.cbm-trigger--pulse-none::before,
.cbm-trigger--pulse-none::after,
.cbm-trigger.is-hidden::before,
.cbm-trigger.is-hidden::after {
    animation: none;
}

@keyframes cbm-pulse {
    0%   { transform: scale(1);                     opacity: .7; }
    100% { transform: scale(var(--cbm-pulse-scale)); opacity: 0; }
}

/* кнопка прячется, пока открыта модалка */
.cbm-trigger.is-hidden {
    opacity: 0;
    visibility: hidden;
    transform: scale(.8);
    transition: opacity var(--cbm-transition), visibility var(--cbm-transition), transform var(--cbm-transition);
}

/* ==========================================================================
   Адаптив
   ========================================================================== */

@media (max-width: 560px) {
    .cbm-overlay,
    .cbm-trigger {
        --cbm-padding:        28px 20px 22px;
        --cbm-title-size:     21px;
        --cbm-subtitle-size:  15px;
        --cbm-trigger-size:   56px;
        --cbm-trigger-icon:   24px;
        --cbm-trigger-offset: 18px;
    }

    .cbm__row {
        flex-direction: column;
    }

    .cbm__submit {
        padding: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .cbm-overlay,
    .cbm,
    .cbm-msg,
    .cbm-trigger,
    .cbm-trigger::before,
    .cbm-trigger::after {
        animation: none;
        transition: none;
    }
}