* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1f2937;
    background-color: #ffffff;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    z-index: 1000;
    padding: 1rem 0;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: all 0.3s ease;
}

.menu-toggle span {
    width: 24px;
    height: 3px;
    background: #374151;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle:hover span {
    background: #2563eb;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    letter-spacing: -0.025em;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    left: -320px;
    width: 320px;
    height: 100vh;
    background: #ffffff;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1100;
    transition: left 0.3s ease;
    overflow-y: auto;
}

.sidebar.open {
    left: 0;
}

.sidebar-content {
    padding: 6rem 1.5rem 2rem;
}

.sidebar h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: #111827;
}

.search-container {
    margin-bottom: 2rem;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    background: #f9fafb;
}

.search-input:focus {
    outline: none;
    border-color: #2563eb;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.article-item {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    background: #f9fafb;
}

.article-item:hover {
    background: #eff6ff;
    border-color: #dbeafe;
    transform: translateX(4px);
}

.article-item.active {
    background: #dbeafe;
    border-color: #2563eb;
    color: #2563eb;
}

.article-item h4 {
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.article-item p {
    font-size: 0.8rem;
    color: #6b7280;
    line-height: 1.4;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Main Content */
.main-content {
    margin-top: 5rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 1.5rem;
}

/* Software Hero */
.software-hero {
    text-align: center;
    padding: 3rem 0;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 3rem;
}

.software-logo-container {
    display: inline-block;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.software-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    border-radius: 12px;
}

/* Article */
.article {
    padding-bottom: 4rem;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 3rem;
}

.article h1 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #111827;
}

.article h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 2.5rem 0 1rem;
    color: #1f2937;
}

.article h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    color: #374151;
}

.article p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: #4b5563;
}

.article ul, .article ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article li {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 0.5rem;
    color: #4b5563;
}

.article blockquote {
    border-left: 4px solid #2563eb;
    background: #f8fafc;
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.article blockquote p {
    font-style: italic;
    color: #1e40af;
    margin: 0;
}

/* Bottom Software */
.bottom-software {
    text-align: center;
    padding: 2rem 0;
    border-bottom: 1px solid #e5e7eb;
    margin-bottom: 4rem;
}

.software-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    padding: 1.5rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.software-info:hover {
    background: #f8fafc;
    transform: translateY(-2px);
}

.bottom-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
}

.software-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2563eb;
}

/* Sticky CTA */
.sticky-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 900;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.sticky-cta.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.cta-button {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.4);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px 0 rgba(37, 99, 235, 0.5);
}

/* Affiliate Box */
.affiliate-box {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid #e2e8f0;
    border-radius: 16px;
    padding: 2rem;
    margin: 4rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.affiliate-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    transition: left 0.5s;
}

.affiliate-box:hover::before {
    left: 100%;
}

.affiliate-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    border-color: #2563eb;
}

.affiliate-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.affiliate-logo img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    border-radius: 12px;
}

.affiliate-info {
    flex: 1;
}

.affiliate-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.affiliate-benefits {
    font-size: 1rem;
    color: #6b7280;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.affiliate-cta {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.affiliate-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

/* Responsive Design */
@media (max-width: 768px) {
    .header-container {
        padding: 0 1rem;
    }

    .main-content {
        padding: 0 1rem;
        margin-top: 4rem;
    }

    .software-hero {
        padding: 2rem 0;
    }

    .software-logo {
        width: 80px;
        height: 80px;
    }

    .article h1 {
        font-size: 2rem;
    }

    .article h2 {
        font-size: 1.5rem;
    }

    .article p, .article li {
        font-size: 1rem;
    }

    .affiliate-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }

    .sticky-cta {
        bottom: 1rem;
        right: 1rem;
    }

    .sidebar {
        width: 280px;
        left: -280px;
    }

    .sidebar-content {
        padding: 5rem 1rem 2rem;
    }
}

@media (max-width: 480px) {
    .logo h1 {
        font-size: 1.25rem;
    }

    .software-logo-container {
        padding: 1.5rem;
    }

    .article h1 {
        font-size: 1.75rem;
    }

    .affiliate-box {
        padding: 1.5rem;
    }

    .cta-button {
        padding: 0.875rem 1.5rem;
        font-size: 0.9rem;
    }
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* Align all items to the left */
    padding: 10px 20px;
    gap: 16px; /* Adds spacing between menu and logo */
}

.menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
}

/* Hamburger lines */
.menu-toggle span {
    width: 24px;
    height: 2px;
    background-color: #000;
}

.site-logo {
    max-width: 240px;  /* Previously 180px — increase this */
    height: auto;
    display: block;
}
/* Loading overlay styles */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: white; /* Or your background */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999; /* Make sure it's above everything */
}

/* Spinner animation */
.spinner {
    border: 6px solid #f3f3f3; /* Light grey */
    border-top: 6px solid #3498db; /* Blue */
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}