/* Каркас страницы и липкий футер */

html, body {
    height: 100%;
}

body {
    margin: 0;
    padding: 0;
    background: #ffffff;
}

.page {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    font-family: 'Montserrat', Arial, sans-serif;
    color: #333;
}

.page__header {
    flex: 0 0 auto;
}

.page__content {
    flex: 1 0 auto;
}

.page__footer {
    flex: 0 0 auto;
}

/* Общие стили контейнера */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* ========================================
   Модальное окно обратной связи
   ======================================== */

.callback-modal {
    max-width: 500px;
    padding: 40px;
    background: #fff;
}

.callback-modal h2 {
    color: #166bb6;
    margin: 0 0 12px 0;
    font-size: 1.8rem;
    font-weight: 700;
}

.callback-modal p {
    color: #234f73;
    margin: 0 0 24px 0;
    font-size: 1rem;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e1edf7;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Space Grotesk', sans-serif;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #166bb6;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-submit {
    text-align: center;
    margin-top: 20px;
}

.submit-btn {
    background: linear-gradient(135deg, #166bb6 0%, #3aa1e4 100%);
    color: #fff;
    border: none;
    padding: 14px 32px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    font-family: 'Space Grotesk', sans-serif;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(22, 107, 182, 0.3);
}

.submit-btn:active {
    transform: translateY(0);
}

.form-message {
    margin-top: 16px;
    padding: 12px;
    border-radius: 8px;
    text-align: center;
    display: none;
    font-size: 0.95rem;
}

.form-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.form-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

/* ========================================
   Плавающие кнопки связи (Floating Contacts)
   ======================================== */

.floating-contacts {
    position: fixed;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
}

.floating-contacts__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.floating-contacts__item {
    display: block;
}

.floating-contacts__link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: #3aa1e4;
    font-size: 1.4rem;
    box-shadow: 0 2px 10px rgba(58, 161, 228, 0.15);
    border: 1px solid rgba(58, 161, 228, 0.25);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
}

.floating-contacts__link:hover {
    background: #3aa1e4;
    color: #ffffff;
    border-color: #3aa1e4;
    box-shadow: 0 6px 24px rgba(58, 161, 228, 0.4);
    transform: translateX(6px);
    text-decoration: none;
}

.floating-contacts__link:active {
    transform: translateX(4px) scale(0.95);
}

.floating-contacts__link i {
    font-size: 1.35em;
    line-height: 1;
    pointer-events: none;
}

/* Адаптивность */

@media (max-width: 992px) {
    .floating-contacts {
        left: 15px;
    }

    .floating-contacts__link {
        width: 48px;
        height: 48px;
        font-size: 1.3rem;
    }
}

@media (max-width: 768px) {
    .floating-contacts {
        bottom: 20px;
        top: auto;
        left: 50%;
        transform: translateX(-50%);
    }

    .floating-contacts__link {
        width: 44px;
        height: 44px;
        font-size: 1.2rem;
    }

    .floating-contacts__list {
        flex-direction: row;
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .floating-contacts {
        bottom: 20px;
        top: auto;
        left: 50%;
        transform: translateX(-50%);
    }

    .floating-contacts__list {
        flex-direction: row;
        gap: 12px;
    }
}