/* ============================================================
   SHIMAX AI - FOOTER COMPONENT STYLES (MODULAR)
   ============================================================ */

.shimax-footer {
    position: relative;
    background-color: var(--surface-card);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2rem 0;
    margin-top: 6rem;
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* افکت نورانی ملایم پس‌زمینه در فوتر */
.shimax-footer::before {
    content: '';
    position: absolute;
    top: 0;
    right: 25%;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, var(--emerald-glow) 0%, transparent 70%);
    pointer-events: none;
    opacity: 0.4;
}

.footer-container {
    max-width: 1536px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1.2fr 1.2fr 1.6fr;
    gap: 3.5rem;
    margin-bottom: 4rem;
}

/* بخش معرفی برند در فوتر */
.footer-brand-col {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-logo-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.footer-logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(16, 185, 129, 0.4));
}

.footer-brand-name {
    font-size: 1.6rem;
    font-weight: 900;
    color: var(--text-menu-solid);
    letter-spacing: -0.5px;
}

.footer-description {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.85;
    text-align: justify;
}

.footer-social-links {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.social-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.social-btn:hover {
    color: var(--emerald-500);
    border-color: var(--emerald-500);
    transform: translateY(-3px);
    box-shadow: 0 8px 16px -4px var(--emerald-glow);
}

/* ستون‌های لینک */
.footer-nav-col {
    display: flex;
    flex-direction: column;
}

.footer-col-title {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--text-menu-solid);
    margin-bottom: 1.5rem;
    position: relative;
    display: inline-block;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    bottom: -6px;
    right: 0;
    width: 24px;
    height: 3px;
    background: var(--emerald-500);
    border-radius: 4px;
}

.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.footer-nav-link i {
    font-size: 0.75rem;
    color: var(--text-muted);
    transition: transform 0.2s ease, color 0.2s ease;
}

.footer-nav-link:hover {
    color: var(--emerald-500);
    transform: translateX(-4px);
}

.footer-nav-link:hover i {
    color: var(--emerald-500);
}

/* بخش نمادها و اعتماد الکترونیک */
.trust-badges {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.trust-badge-item {
    background: var(--bg-page);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 0.85rem;
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
}

.trust-badge-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(40%);
    transition: filter 0.25s ease;
}

.trust-badge-item:hover {
    border-color: var(--emerald-500);
    box-shadow: 0 10px 20px -5px var(--emerald-glow);
}

.trust-badge-item:hover img {
    filter: grayscale(0%);
}

/* بخش کپی رایت پایین فوتر */
.footer-bottom-bar {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.88rem;
    color: var(--text-muted);
}

.footer-legal-copy {
    font-weight: 600;
}

.footer-engine-tag {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.engine-highlight {
    color: var(--emerald-500);
}