/* SilentCoderHub Layout CSS Stylesheet */

/* Header Navigation Bar */
.navbar-custom {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1050;
    background-color: var(--navbar-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: padding var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);
}

.navbar-custom.navbar-scrolled {
    padding: 0.6rem 0;
    box-shadow: var(--shadow-md);
}

.navbar-brand-img {
    height: 52px;
    width: auto;
    object-fit: contain;
    transition: height var(--transition-normal);
}

.navbar-custom.navbar-scrolled .navbar-brand-img {
    height: 40px;
}

.navbar-nav .nav-link {
    font-family: var(--font-primary);
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--primary-color);
    background-color: var(--primary-glow);
}

.navbar-toggler-icon-custom {
    color: var(--text-primary);
}

/* Theme Switcher Toggle styling */
.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
    background-color: var(--primary-glow);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.theme-toggle-btn .fa-sun {
    display: none;
}

.theme-toggle-btn .fa-moon {
    display: block;
}

/* Container & Sections */
section {
    padding: 5rem 0;
    position: relative;
    overflow: hidden; /* Prevent section content leakage */
}

.section-bg-alt {
    background-color: var(--card-bg);
}

.section-header {
    margin-bottom: 4rem;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary-color);
    display: inline-block;
    margin-bottom: 0.75rem;
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-glow);
    border-radius: var(--radius-sm);
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Footer Section Styles */
.footer-custom {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 5rem 0 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.footer-brand-img {
    height: 52px;
    width: auto;
    object-fit: contain;
    margin-bottom: 1.25rem;
}

.footer-tagline {
    color: var(--footer-text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: #FFFFFF;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links {
    list-style: none;
    padding-left: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--footer-text-muted);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-contact-info {
    color: var(--footer-text-muted);
    font-size: 0.95rem;
}

.footer-contact-info i {
    color: var(--primary-color);
    width: 24px;
}

.footer-social-icons {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.footer-social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    background-color: rgba(255, 255, 255, 0.05);
    color: #FFFFFF;
    transition: all var(--transition-fast);
}

.footer-social-icon:hover {
    background-color: var(--primary-color);
    color: #FFFFFF;
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 2rem;
    margin-top: 3rem;
    font-size: 0.9rem;
    color: var(--footer-text-muted);
}

/* Back To Top Button */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    z-index: 1000;
    width: 45px;
    height: 45px;
    background-color: var(--primary-color);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 4px 10px rgba(34, 197, 94, 0.3);
    transition: all var(--transition-normal);
}

.back-to-top.active {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-hover);
    transform: translateY(-3px);
    color: #FFFFFF;
}

/* Page Banner (For inner subpages) */
.page-banner {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.8)), url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><circle cx="50" cy="50" r="1" fill="%2322C55E" opacity="0.3"/></svg>') repeat;
    color: #FFFFFF;
    padding: 8rem 0 4rem 0;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.page-banner h1 {
    color: #FFFFFF;
    font-size: 2.75rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.page-banner-sub {
    font-size: 1.1rem;
    color: #94A3B8;
    max-width: 700px;
}

.breadcrumb-custom {
    display: flex;
    gap: 0.5rem;
    list-style: none;
    padding-left: 0;
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #64748B;
}

.breadcrumb-custom a {
    color: var(--primary-color);
}

.breadcrumb-custom li:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: #64748B;
}

/* Mobile responsive padding and overflow adjustments */
@media (max-width: 767.98px) {
    section {
        padding: 3.5rem 0;
    }
    .page-banner {
        padding: 7rem 0 3rem 0;
    }
    .page-banner h1 {
        font-size: 2rem;
    }
    .navbar-brand-img {
        height: 44px;
    }
}