/* ===================================
   ПОДВАЛ (FOOTER)
   =================================== */

.footer {
    background: linear-gradient(135deg, #3d4a5c 0%, #505975 100%);
    color: var(--color-white);
    font-size: var(--fz-sm);
    position: relative;
    overflow: hidden;
}

.footer__main {
    padding: var(--space-16) 0 var(--space-12);
    position: relative;
    z-index: 1;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr 1.2fr 1.3fr;
    gap: var(--space-10) var(--space-8);
}

/* ===================================
   КОЛОНКИ ФУТЕРА
   =================================== */

.footer__col {
    position: relative;
    animation: fadeInUp 0.6s ease-out backwards;
}

.footer__col:nth-child(1) { animation-delay: 0.1s; }
.footer__col:nth-child(2) { animation-delay: 0.2s; }
.footer__col:nth-child(3) { animation-delay: 0.3s; }
.footer__col:nth-child(4) { animation-delay: 0.4s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===================================
   БРЕНДОВАЯ КОЛОНКА (ЛОГОТИП + ЛИЦЕНЗИИ)
   =================================== */

.footer__col--brand {
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
}

.logo--white {
    display: inline-block;
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.logo--white:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.logo__img {
    height: 42px;
    width: auto;
}

/* Лицензии */
.footer__licenses {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    backdrop-filter: blur(10px);
    transition: all var(--transition-base);
}

.footer__licenses:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(0, 123, 255, 0.3);
    transform: translateY(-2px);
}

.footer__license-badge {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.footer__license-badge svg {
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__license-badge > div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer__license-label {
    font-size: var(--fz-xs);
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--fw-medium);
}

.footer__license-number {
    font-size: var(--fz-base);
    color: var(--color-white);
    font-weight: var(600);
}

.footer__license-details {
    font-size: var(--fz-xs);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin: 0;
}

/* ===================================
   ЗАГОЛОВКИ КОЛОНОК
   =================================== */

.footer__col-title {
    font-family: var(--font-body), serif;
    font-size: var(--fz-lg);
    font-weight: var(600);
    color: var(--color-white);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    position: relative;
    letter-spacing: -0.3px;
}

.footer__col-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 32px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
    border-radius: var(--radius-full);
    transition: width var(--transition-base) cubic-bezier(0.4, 0, 0.2, 1);
}

.footer__col:hover .footer__col-title::after {
    width: 50px;
}

/* ===================================
   НАВИГАЦИОННЫЕ ССЫЛКИ
   =================================== */

.footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer__links li a {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: rgba(255, 255, 255, 0.8);
    transition: all var(--transition-base);
    padding: var(--space-2) 0;
    position: relative;
}

.footer__link-arrow {
    font-size: var(--fz-base);
    color: var(--color-primary);
    opacity: 0;
    transform: translateX(-8px);
    transition: all var(--transition-base);
}

.footer__links li a:hover {
    color: var(--color-white);
    padding-left: var(--space-1);
}

.footer__links li a:hover .footer__link-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ===================================
   КОНТАКТНАЯ КАРТОЧКА
   =================================== */

.footer__contact-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--transition-base);
}

.footer__contact-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    transition: transform var(--transition-base);
}

.footer__contact-item:hover {
    transform: translateX(4px);
}

.footer__contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 123, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
    transition: all var(--transition-base);
}

.footer__contact-item:hover .footer__contact-icon {
    background: var(--color-primary);
    color: var(--color-white);
    transform: scale(1.05);
}

.footer__contact-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.footer__contact-label {
    font-size: var(--fz-xs);
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: var(--fw-medium);
}

.footer__contact-value {
    font-size: var(--fz-base);
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.5;
}

.footer__contact-link {
    font-size: var(--fz-base);
    color: var(--color-white);
    font-weight: var(--fw-medium);
    transition: color var(--transition-base);
    text-decoration: none;
}

.footer__contact-link:hover {
    color: var(--color-primary);
}

/* Специальные стили для телефона и email */
.footer__contact-item--phone .footer__contact-icon,
.footer__contact-item--email .footer__contact-icon {
    background: rgba(0, 200, 83, 0.1);
}

.footer__contact-item--phone .footer__contact-icon {
    color: #00c853;
}

.footer__contact-item--email .footer__contact-icon {
    color: #00acc1;
}

.footer__contact-item--phone:hover .footer__contact-icon {
    background: #00c853;
}

.footer__contact-item--email:hover .footer__contact-icon {
    background: #00acc1;
}

.footer__contact-item--location .footer__contact-icon {
    background: rgba(255, 152, 0, 0.1);
    color: #ff9800;
}

.footer__contact-item--location:hover .footer__contact-icon {
    background: #ff9800;
}

/* ===================================
   СОЦИАЛЬНЫЕ СЕТИ
   =================================== */

.footer__col--social {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
}

.footer__socials {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__social {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-white);
    font-weight: var(--fw-medium);
    transition: all var(--transition-base);
    text-decoration: none;
}

.footer__social svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: transform var(--transition-base);
}

.footer__social:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.footer__social:hover svg {
    transform: scale(1.1);
}

/* Специфичные цвета для соцсетей */
.footer__social--vk:hover { /* ВКонтакте */
    background: rgba(0, 119, 255, 0.1);
    border-color: #0077ff;
    color: #0077ff;
}

.footer__social--max:hover {
    background: rgba(116, 119, 240, 0.1);
    border-color: #7477f0;
    color: #7477f0;
}

.footer__social--telegram:hover { /* Telegram */
    background: rgba(0, 136, 204, 0.1);
    border-color: #0088cc;
    color: #0088cc;
}


/* ===================================
   CTA БЛОК
   =================================== */

.footer__cta {
    margin-top: var(--space-2);
    padding: var(--space-5);
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1) 0%, rgba(0, 200, 83, 0.1) 100%);
    border: 1px solid rgba(0, 123, 255, 0.2);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
}

.footer__cta:hover {
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.15) 0%, rgba(0, 200, 83, 0.15) 100%);
    border-color: rgba(0, 123, 255, 0.3);
    transform: translateY(-2px);
}

.footer__cta-text {
    font-size: var(--fz-sm);
    color: rgba(255, 255, 255, 0.9);
    margin: 0 0 var(--space-3) 0;
    font-weight: var(--fw-medium);
}

.footer__cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    font-weight: var(600);
    border-radius: var(--radius-full);
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.footer__cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* ===================================
   ПОДВАЛ ФУТЕРА (COPYRIGHT)
   =================================== */

.footer__bottom {
    padding: var(--space-5) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.footer__copy {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fz-sm);
}

.footer__legal {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.footer__legal a {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--fz-sm);
    transition: color var(--transition-base);
    text-decoration: none;
    position: relative;
}

.footer__legal a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.footer__legal a:hover {
    color: var(--color-white);
}

.footer__legal a:hover::after {
    width: 100%;
}

.footer__divider {
    color: rgba(255, 255, 255, 0.3);
    font-size: var(--fz-sm);
}

/* ===================================
   АДАПТИВНОСТЬ
   =================================== */

@media (max-width: 1200px) {
    .footer__grid {
        grid-template-columns: 1fr 0.9fr 1.1fr 1.2fr;
        gap: var(--space-8) var(--space-6);
    }
}

@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10) var(--space-8);
    }

    .footer__col--brand {
        grid-column: span 2;
        flex-direction: row;
        align-items: flex-start;
        gap: var(--space-8);
    }

    .footer__col--contacts {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .footer {
        overflow-x: hidden;
    }

    .footer__main {
        padding: var(--space-12) 0 var(--space-8);
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer__col--brand {
        grid-column: span 1;
        flex-direction: column;
        gap: var(--space-5);
    }

    .footer__col--contacts {
        grid-column: span 1;
    }

    /* Компактная карточка контактов на мобильных */
    .footer__contact-card {
        padding: var(--space-4);
        gap: var(--space-3);
    }

    .footer__contact-item {
        padding: var(--space-1) 0;
    }

    .footer__contact-icon {
        width: 36px;
        height: 36px;
    }

    .footer__contact-value,
    .footer__contact-link {
        font-size: var(--fz-sm);
    }

    /* Компактные лицензии */
    .footer__licenses {
        padding: var(--space-4);
    }

    .footer__license-badge {
        margin-bottom: var(--space-3);
    }

    /* Компактный CTA */
    .footer__cta {
        padding: var(--space-4);
    }

    .footer__cta-btn {
        width: 100%;
        padding: var(--space-3) var(--space-5);
    }

    /* Социальные сети компактнее */
    .footer__social {
        padding: var(--space-2) var(--space-3);
        font-size: var(--fz-sm);
    }
}

@media (max-width: 480px) {
    .footer__main {
        padding: var(--space-10) 0 var(--space-6);
    }

    .footer__grid {
        gap: var(--space-6);
    }

    .footer__col-title {
        font-size: var(--fz-base);
        margin-bottom: var(--space-4);
    }

    .logo__img {
        height: 36px;
    }

    /* Ещё более компактная карточка */
    .footer__contact-card {
        padding: var(--space-3);
        gap: var(--space-2);
    }

    .footer__contact-icon {
        width: 32px;
        height: 32px;
    }

    .footer__contact-icon svg {
        width: 16px;
        height: 16px;
    }

    /* Компактный футер */
    .footer__bottom {
        padding: var(--space-4) 0;
    }

    .footer__bottom-inner {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: var(--space-3);
    }

    .footer__copy,
    .footer__legal a {
        font-size: var(--fz-xs);
    }

    .footer__legal {
        justify-content: center;
    }
}

@media (max-width: 360px) {
    .footer__col-title {
        font-size: var(--fz-sm);
    }

    .footer__license-number {
        font-size: var(--fz-sm);
    }

    .footer__contact-value,
    .footer__contact-link {
        font-size: var(--fz-xs);
    }

    .footer__cta-btn {
        font-size: var(--fz-sm);
    }
}

/* ===================================
   УЛУЧШЕНИЯ ДЛЯ СЕНСОРНЫХ УСТРОЙСТВ
   =================================== */

@media (hover: none) and (pointer: coarse) {
    .footer__social {
        min-height: 44px;
        padding: var(--space-3);
    }

    .footer__contact-item {
        min-height: 44px;
    }

    .footer__cta-btn {
        min-height: 44px;
    }

    /* Убираем hover эффекты на touch устройствах */
    .footer__contact-item:hover {
        transform: none;
    }

    .footer__social:hover {
        transform: none;
    }
}

/* ===================================
   ПЕЧАТЬ
   =================================== */

@media print {
    .footer {
        display: none !important;
    }
}

/* ===================================
   ACCESSIBILITY
   =================================== */

@media (prefers-reduced-motion: reduce) {
    .footer__col,
    .footer__link-arrow,
    .footer__contact-item,
    .footer__social,
    .logo--white {
        animation: none !important;
        transition: none !important;
    }
}

/* Высокая контрастность */
@media (prefers-contrast: more) {
    .footer {
        background: #000;
    }

    .footer__licenses,
    .footer__contact-card {
        border-color: rgba(255, 255, 255, 0.3);
    }

    .footer__col-title::after {
        height: 4px;
    }
}