/* =========================================================
   footer.css — فوتر + شبکه‌های اجتماعی شناور + reading progress
   شهبازیون | SuFramework v3.0
   ========================================================= */

/* ─────────────────────────────────────────────────────────
   Footer
   ───────────────────────────────────────────────────────── */
.site-footer {
    background: var(--c-bg-alt);
    border-top: 1px solid var(--c-border);
    padding: 3.5rem 0 0;
    margin-top: 4rem;
    color: var(--c-text-soft);
    font-size: 0.92rem;
}

body.dark-mode .site-footer {
    background: #0a1020;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
}

.footer-col h3,
.footer-col h4 {
    color: var(--c-text);
    font-size: 1rem;
    font-weight: 800;
    margin: 0 0 1.25rem;
    letter-spacing: -0.01em;
}

.footer-col h3.footer-brand {
    font-size: 1.25rem;
    color: var(--c-primary);
}

.footer-desc {
    color: var(--c-text-soft);
    line-height: 1.85;
    margin: 0 0 1.25rem;
    max-width: 320px;
    font-size: 0.9rem;
}

/* ─────────────────────────────────────────────────────────
   Contact list در فوتر
   ───────────────────────────────────────────────────────── */
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    font-size: 0.88rem;
}

.footer-contact li span[aria-hidden] {
    flex-shrink: 0;
    font-size: 1rem;
}

.footer-contact a {
    color: var(--c-text-soft);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-contact a:hover {
    color: var(--c-primary);
}

/* ─────────────────────────────────────────────────────────
   Footer links
   ───────────────────────────────────────────────────────── */
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    margin: 0;
}

.footer-links li {
    margin: 0;
}

.footer-links a {
    display: inline-block;
    color: var(--c-text-soft);
    font-size: 0.9rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--c-primary);
    transform: translateX(-3px);
}

/* ─────────────────────────────────────────────────────────
   Footer bottom bar
   ───────────────────────────────────────────────────────── */
.footer-bottom {
    border-top: 1px solid var(--c-border);
    padding: 1.25rem 0;
    background: var(--c-bg);
}

body.dark-mode .footer-bottom {
    background: #0f172a;
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-copyright {
    margin: 0;
    font-size: 0.82rem;
    color: var(--c-text-muted);
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.82rem;
}

.footer-legal a {
    color: var(--c-text-muted);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--c-primary);
}

.footer-legal span[aria-hidden] {
    color: var(--c-border);
}

/* ─────────────────────────────────────────────────────────
   Floating Socials
   ───────────────────────────────────────────────────────── */
.floating-socials {
    position: fixed;
    bottom: 80px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    z-index: 190;
}

.social-btn {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    background: var(--c-primary);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-decoration: none;
    border: none;
    cursor: pointer;
}

.social-btn svg {
    width: 20px;
    height: 20px;
    display: block;
}

.social-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    color: #fff;
}

.social-instagram {
    background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-instagram:hover {
    background: linear-gradient(135deg, #e0851e 0%, #d55530 25%, #cc1a35 50%, #b81558 75%, #a81578 100%);
}

.social-bale {
    background: #00b0e0;
}

.social-bale:hover {
    background: #0090b8;
}

.social-whatsapp {
    background: #25d366;
}

.social-whatsapp:hover {
    background: #1da851;
}

.social-telegram {
    background: #0088cc;
}

.social-telegram:hover {
    background: #006699;
}

/* ─────────────────────────────────────────────────────────
   Reading Progress (فقط در صفحهٔ مقاله)
   ───────────────────────────────────────────────────────── */
#reading-progress-wrap {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    height: 3px;
    background: transparent;
    z-index: 999;
    pointer-events: none;
}

#reading-progress {
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, var(--c-primary), var(--c-accent));
    transition: width 0.15s ease;
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

body.dark-mode #reading-progress {
    background: linear-gradient(90deg, var(--c-primary-light), var(--c-accent-light));
}

/* ─────────────────────────────────────────────────────────
   Responsive
   ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

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

    .footer-desc {
        max-width: 100%;
    }
}

@media (max-width: 600px) {
    .site-footer {
        padding: 2.5rem 0 0;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding-bottom: 2rem;
    }

    .footer-bottom-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .floating-socials {
        bottom: 70px;
        left: 16px;
        gap: 0.5rem;
    }

    .social-btn {
        width: 38px;
        height: 38px;
    }

    .social-btn svg {
        width: 18px;
        height: 18px;
    }
}

/* ─────────────────────────────────────────────────────────
   Print
   ───────────────────────────────────────────────────────── */
@media print {
    .site-footer,
    .floating-socials,
    #reading-progress-wrap {
        display: none !important;
    }
}