:root {
    --brand-gold: #D4AF37; /* Золотой */
    --brand-dark: #333333; /* Тёмно-серый */
    --panel-width: 550px;
    --btn-offset: 100px;
    --transition: 0.5s cubic-bezier(0.645, 0.045, 0.355, 1.000);
    --grid-gap-v: 20px;
    --grid-gap-h: 15px;
}

body.form-is-open { overflow: hidden; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--grid-gap-v) var(--grid-gap-h);
}

.form-grid input,
.form-grid select,
.form-grid textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    font-size: 14px;
    outline: none;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
    background-color: #fff;
    border-radius: 0;
    color: var(--brand-dark);
}

.form-grid select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23333' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
    padding-right: 30px;
    cursor: pointer;
}

.form-grid textarea {
    grid-column: span 2;
    min-height: 180px;
    resize: none;
}

#sideSubmitBtn,
#submitBtn {
    grid-column: span 2;
    background: var(--brand-dark);
    color: #ffffff;
    border: none;
    padding: 16px;
    text-transform: uppercase;
    font-weight: bold;
    letter-spacing: 2px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 5px;
}

/* Стили для полей с лейблами */
.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 12px;
    font-weight: bold;
    color: var(--brand-dark);
    letter-spacing: 1px;
}

.input-group.full-width {
    grid-column: span 2;
}

/* Стили для чекбокса согласия */
.checkbox-group {
    grid-column: span 2;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 10px;
    margin-top: 5px;
}

.checkbox-group input[type="checkbox"] {
    margin-top: 4px; /* Выравнивание с первой строкой текста */
    flex-shrink: 0;
    width: auto; /* Переопределяем width: 100% от .form-grid input */
}

.checkbox-group label {
    font-size: 12px;
    font-weight: normal;
    color: #555;
    letter-spacing: normal;
    text-transform: none;
    line-height: 1.5;
}

.checkbox-group label a {
    color: var(--brand-gold);
}

.privacy-note {
    grid-column: span 2;
    font-size: 12px;
    color: #555;
    line-height: 1.5;
    margin-top: 5px;
}

.privacy-note a {
    color: var(--brand-gold);
    text-decoration: none;
}

@media (min-width: 1024px) {
    .side-form-overlay {
        position: fixed;
        top: 0; left: 0; width: 100%; height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1040; opacity: 0; visibility: hidden;
        transition: all var(--transition);
    }
    .side-form-overlay.active { opacity: 1; visibility: visible; }

    .btn-side-trigger {
        position: fixed;
        right: 0; top: 50%;
        transform: translateY(-50%);
        z-index: 2000;
        background: var(--brand-dark);
        border: 1px solid var(--brand-gold);
        width: 44px; height: auto; min-height: 140px;
        display: flex; flex-direction: column; align-items: center; justify-content: center;
        gap: 15px;
        padding: 20px 0;
        cursor: pointer; border-radius: 4px 0 0 4px;
        transition: right var(--transition), background 0.3s;
        outline: none;
    }

    .btn-side-trigger.active {
        right: var(--panel-width);
        border-radius: 4px 0 0 4px;
    }

    .btn-side-trigger.active svg { transform: rotate(180deg); }
    .btn-side-trigger:hover { background: var(--brand-gold); }
    .btn-side-trigger:hover svg path { stroke: black; }
    .btn-side-trigger:hover .btn-text { color: #000; }

    .btn-text {
        writing-mode: vertical-rl;
        text-orientation: mixed;
        transform: rotate(180deg);
        color: #fff;
        font-size: 14px;
        letter-spacing: 2px;
        text-transform: uppercase;
    }

    .side-form-panel {
        position: fixed;
        top: 0; right: calc(-1 * var(--panel-width));
        width: var(--panel-width); height: 100%;
        background: #ffffff;
        box-shadow: -15px 0 35px rgba(0,0,0,0.2);
        z-index: 1050; visibility: hidden;
        transition: right var(--transition), visibility var(--transition);
        padding: 60px 45px;
        overflow-y: auto;
        border-left: 1px solid var(--brand-gold);
        box-sizing: border-box;
    }

    .side-form-panel.active { right: 0; visibility: visible; }

    .form-grid input:focus,
    .form-grid select:focus,
    .form-grid textarea:focus {
        border-color: var(--brand-gold);
    }

    .form-title {
        text-align: center;
        text-transform: uppercase;
        letter-spacing: 3px;
        margin-bottom: 40px;
        font-weight: 300;
        color: var(--brand-gold);
    }

    #sideSubmitBtn:hover, #submitBtn:hover { background: var(--brand-gold); color: #000; }
}

@media (max-width: 1023px) {
    .btn-side-trigger, .side-form-panel, .side-form-overlay { display: none !important; }
}