:root {
    --bg-color: #05020a; 
    --purple-dark: #1a0530;
    --purple-mid: #4a087d;
    --purple-neon: #a11ae6; 
    --text-main: #d1c5e8;
    --text-muted: #826b9c;
    --window-bg: rgba(26, 5, 48, 0.45);
    --window-border: rgba(161, 26, 230, 0.3);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Rajdhani', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(74, 8, 125, 0.15), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(161, 26, 230, 0.1), transparent 25%);
    background-attachment: fixed;
    padding-top: 60px;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: var(--purple-mid); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--purple-neon); }

.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(5, 2, 10, 0.95);
    border-bottom: 1px solid var(--purple-mid);
    z-index: 200;
    backdrop-filter: blur(10px);
}

.top-nav-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    height: 60px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--purple-neon);
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(161, 26, 230, 0.4);
}

.top-toggle-btn {
    background: transparent;
    border: 1px solid var(--purple-neon);
    color: var(--purple-neon);
    padding: 6px 15px;
    font-size: 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-toggle-btn:hover {
    background: var(--window-bg);
    box-shadow: 0 0 10px rgba(161, 26, 230, 0.3);
}

.top-toggle-btn .arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

.top-toggle-btn.active .arrow {
    transform: rotate(180deg);
}

.top-menu-expanded {
    max-height: 0;
    overflow: hidden;
    background: var(--purple-dark);
    transition: max-height 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    justify-content: center;
    gap: 40px;
    border-bottom: 1px solid transparent;
}

.top-menu-expanded.active {
    max-height: 80px;
    border-bottom-color: var(--purple-neon);
    padding: 20px 0;
}

.top-menu-expanded a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.2s, text-shadow 0.2s;
}

.top-menu-expanded a:hover {
    color: var(--purple-neon);
    text-shadow: 0 0 8px rgba(161, 26, 230, 0.6);
}

.layout-container {
    display: flex;
    min-height: calc(100vh - 60px);
}

main {
    flex-grow: 1;
    padding: 40px;
    padding-right: 80px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    scroll-behavior: smooth;
}

.blog-window {
    width: 100%;
    max-width: 800px;
    background: var(--window-bg);
    border: 1px solid var(--window-border);
    border-radius: 8px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8), inset 0 0 15px rgba(161, 26, 230, 0.05);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.blog-window::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--purple-neon), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.blog-window:hover {
    transform: translateY(-5px);
    border-color: var(--purple-neon);
    box-shadow: 0 8px 40px rgba(161, 26, 230, 0.15);
}

.blog-window:hover::before {
    opacity: 1;
}

.window-header {
    background: rgba(0, 0, 0, 0.4);
    padding: 10px 20px;
    border-bottom: 1px solid var(--window-border);
    font-size: 0.9rem;
    color: var(--purple-neon);
    display: flex;
    justify-content: space-between;
}

.window-content {
    padding: 30px;
}

.window-content h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 10px rgba(161, 26, 230, 0.4);
}

.window-content p {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.read-more-btn {
    background: transparent;
    color: var(--purple-neon);
    border: 1px solid var(--purple-neon);
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    font-weight: bold;
}

.blog-window:hover .read-more-btn {
    background: var(--purple-neon);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--purple-neon);
}

.sidebar {
    position: fixed;
    right: -300px;
    top: 60px; 
    width: 300px;
    height: calc(100vh - 60px);
    background: rgba(10, 3, 18, 0.95);
    border-left: 1px solid var(--purple-mid);
    backdrop-filter: blur(15px);
    transition: right 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar.active {
    right: 0;
}

.sidebar-toggle {
    position: absolute;
    left: -50px;
    top: 20px;
    background: var(--purple-dark);
    border: 1px solid var(--purple-mid);
    border-right: none;
    color: var(--purple-neon);
    width: 50px;
    height: 50px;
    border-radius: 8px 0 0 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: -5px 0 15px rgba(26, 5, 48, 0.6);
    transition: background 0.2s;
}

.sidebar-toggle:hover {
    background: var(--purple-mid);
    color: var(--text-main);
}

.sidebar-toggle svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.sidebar-content {
    padding: 30px;
    overflow-y: auto;
}

.sidebar-content h3 {
    color: var(--purple-neon);
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-bottom: 1px solid var(--window-border);
    padding-bottom: 10px;
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 15px;
}

.sidebar-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.2s;
    display: block;
    padding: 5px;
    border-left: 2px solid transparent;
}

.sidebar-nav a:hover {
    color: var(--purple-neon);
    border-left: 2px solid var(--purple-neon);
    padding-left: 10px;
    text-shadow: 0 0 8px rgba(161, 26, 230, 0.5);
}

.modal-overlay {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
}

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

.modal-window {
    width: 90%;
    max-width: 900px;
    height: 85vh;
    background: var(--bg-color);
    border: 1px solid var(--purple-neon);
    border-radius: 12px;
    box-shadow: 0 0 50px rgba(74, 8, 125, 0.8);
    display: flex;
    flex-direction: column;
    transform: scale(0.95);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
}

.modal-overlay.active .modal-window {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: -15px;
    right: -15px;
    background: var(--bg-color);
    color: var(--purple-neon);
    border: 1px solid var(--purple-neon);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    z-index: 10;
    transition: all 0.2s;
    box-shadow: 0 0 15px rgba(161, 26, 230, 0.3);
}

.modal-close:hover {
    background: var(--purple-neon);
    color: var(--bg-color);
    transform: rotate(90deg);
}

.modal-body {
    padding: 40px;
    overflow-y: auto;
    flex-grow: 1;
}

.modal-body h2 {
    font-size: 2.5rem;
    color: var(--purple-neon);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.modal-body p {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-main);
}

.modal-footer {
    padding: 20px 40px;
    background: var(--purple-dark);
    border-top: 1px solid var(--window-border);
    border-radius: 0 0 10px 10px;
    display: flex;
    justify-content: space-between;
}

.nav-btn {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--purple-mid);
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-btn:hover:not(:disabled) {
    background: var(--purple-mid);
    color: white;
    box-shadow: 0 0 15px var(--purple-mid);
}

.nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

@media (max-width: 768px) {
    .top-nav-bar { padding: 15px 20px; }
    .top-menu-expanded { flex-direction: column; gap: 15px; align-items: center; }
    .top-menu-expanded.active { max-height: 250px; padding: 15px 0; }
    main { padding: 20px; }
    .sidebar { width: 250px; right: -250px; }
    .modal-window { height: 95vh; width: 95%; }
}