/* =============================================
   FOOTER PREMIUM
   ============================================= */

:root {
    --primary: #03A398;
    --primary-light: #05c4b8;
    --secondary: #1a2a33;
    --secondary-light: #2a4a56;
    --dark: #0a141e;
    --white: #ffffff;
    --gray-200: #e2e8f0;
    --gray-600: #5a6c7d;
    --gradient-primary: linear-gradient(135deg, #03A398, #05c4b8);
    --shadow-teal: 0 8px 32px rgba(3,163,152,0.25);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-full: 50px;
    --font: 'Inter', 'Segoe UI', sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-footer-premium {
    background: var(--secondary);
    color: var(--white);
    padding: 70px 0 0;
    position: relative;
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(3,163,152,0.04) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== FOOTER GRID ===== */
.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr 1.2fr;
    gap: 40px;
    position: relative;
    z-index: 2;
}

/* ===== КОЛОНКА О КОМПАНИИ ===== */
.footer-logo {
    margin-bottom: 16px;
}

.footer-logo .custom-logo-link img {
    max-height: 42px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: -0.02em;
}

.footer-about-text {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 20px;
    max-width: 280px;
}

/* Соцсети */
.footer-socials {
    display: flex;
    gap: 8px;
}

.footer-social-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social-link:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-teal);
}

.footer-social-link .material-symbols-outlined {
    font-size: 1.1rem;
}

/* ===== ЗАГОЛОВКИ КОЛОНОК ===== */
.footer-heading {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--white);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-heading-icon {
    font-size: 1.1rem;
    color: var(--primary-light);
}

/* ===== СПИСКИ ССЫЛОК ===== */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 4px;
}

.footer-links a {
    display: block;
    padding: 7px 0;
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 6px;
}

/* ===== КОНТАКТЫ ===== */
.footer-contacts {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contacts li {
    display: flex;
    gap: 12px;
    margin-bottom: 14px;
}

.footer-contacts li .material-symbols-outlined {
    font-size: 1.2rem;
    color: var(--primary-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-label {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.footer-contacts a,
.footer-contacts span {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
}

.footer-contacts a:hover {
    color: var(--primary-light);
}

/* ===== FOOTER BOTTOM ===== */
.footer-bottom {
    margin-top: 50px;
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    margin: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px 30px;
    }

    .footer-col-about {
        grid-column: 1 / -1;
    }

    .footer-about-text {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .site-footer-premium {
        padding: 50px 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px 20px;
    }
}

@media (max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        margin-top: 36px;
    }
}