:root {
    --bg-color: #0b0e14;
    --text-main: #d1d5db;
    --text-dim: #6b7280;
    --accent-color: #00ff9d;
    --primary-color: #3b82f6;
    --border-color: #1f2937;
    --font-mono: 'JetBrains Mono', monospace;
    --glitch-color: rgba(255, 0, 80, 0.5);
}

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

@keyframes scanline {
    0% {
        transform: translateY(-100%);
    }

    100% {
        transform: translateY(100%);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

@keyframes flicker {
    0% {
        opacity: 0.99;
    }

    10% {
        opacity: 0.98;
    }

    20% {
        opacity: 0.99;
    }

    30% {
        opacity: 1;
    }

    40% {
        opacity: 0.98;
    }

    50% {
        opacity: 0.99;
    }

    60% {
        opacity: 1;
    }

    70% {
        opacity: 0.98;
    }

    80% {
        opacity: 0.99;
    }

    90% {
        opacity: 0.98;
    }

    100% {
        opacity: 1;
    }
}

body.analog-theme {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-mono);
    line-height: 1.6;
    overflow-x: hidden;
    background-image:
        linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%),
        linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 4px, 3px 100%;
    position: relative;
    animation: flicker 0.2s infinite;
}

body.analog-theme::after {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.1) 50%);
    background-size: 100% 2px;
    z-index: 1000;
    pointer-events: none;
    opacity: 0.3;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Nav */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px dashed var(--border-color);
    position: relative;
    z-index: 1001;
}

.logo {
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.nav-links a {
    color: var(--text-dim);
    text-decoration: none;
    margin-left: 1.5rem;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.menu-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--accent-color);
    padding: 5px 15px;
    font-family: var(--font-mono);
    cursor: pointer;
}

/* Mobile Side Menu */
.side-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background: var(--bg-color);
    border-left: 1px solid var(--accent-color);
    z-index: 2000;
    transition: right 0.3s ease-in-out;
    padding: 2rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.side-menu.active {
    right: 0;
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
    color: var(--accent-color);
    font-size: 0.8rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

#menu-close {
    background: transparent;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-family: var(--font-mono);
}

.menu-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.menu-link {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
}

.menu-link:hover {
    color: var(--accent-color);
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1999;
    display: none;
}

.overlay.active {
    display: block;
}

/* Features-grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.feature-card {
    border: 1px solid var(--border-color);
    padding: 2rem;
    position: relative;
    transition: transform 0.2s;
    text-align: left;
}

.feature-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

.feature-card h3 {
    color: var(--accent-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.feature-card p::before {
    content: "- ";
    color: var(--accent-color);
}

/* Typography Extensions */
.hero-title::before {
    content: "# ";
    color: var(--text-dim);
}

.hero-subtitle::before {
    content: "> ";
    color: var(--accent-color);
    font-weight: bold;
}

.ascii-banner {
    color: var(--accent-color);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 2rem;
    text-shadow: 0 0 10px var(--accent-color);
    white-space: pre;
    font-size: 0.7rem;
    overflow-x: auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-subtitle {
    color: var(--text-dim);
    margin-bottom: 3rem;
    font-size: 1.1rem;
}

/* Redefining Sections */
header {
    padding: 6rem 0 4rem;
    text-align: center;
}

.terminal-preview {
    background: #000;
    border: 1px solid var(--accent-color);
    padding: 1rem;
    box-shadow: 0 0 20px rgba(0, 255, 157, 0.1);
    margin: 3rem 0;
    position: relative;
    text-align: left;
}

.terminal-preview::before {
    content: " [ PREVIEW_MODE ] ";
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--bg-color);
    color: var(--accent-color);
    padding: 0 5px;
    font-size: 0.7rem;
}

.terminal-body {
    font-size: 0.85rem;
    color: var(--accent-color);
    overflow-x: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.9rem;
    border: 1px solid var(--accent-color);
    transition: all 0.2s;
    margin: 0.5rem;
}

.btn.primary {
    background: var(--accent-color);
    color: #000;
}

.btn.primary:hover {
    background: transparent;
    color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-color);
}

.btn.secondary {
    color: var(--text-main);
    border-color: var(--border-color);
}

/* Installation Section */
.install-section {
    padding: 2rem 0;
}

.install-box {
    border: 1px solid var(--border-color);
    background: #000;
    text-align: left;
}

.install-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 10px 20px;
    font-family: var(--font-mono);
    cursor: pointer;
}

.tab-btn.active {
    color: var(--accent-color);
    background: rgba(0, 255, 157, 0.05);
    border-bottom: 2px solid var(--accent-color);
}

.tab-content {
    padding: 2rem;
    color: var(--accent-color);
}

.tab-content code::before {
    content: "```bash\n";
    display: block;
    color: var(--text-dim);
    font-size: 0.7rem;
    margin-bottom: 0.5rem;
}

.tab-content code::after {
    content: "\n```";
    display: block;
    color: var(--text-dim);
    font-size: 0.7rem;
    margin-top: 0.5rem;
}

.hidden {
    display: none;
}

/* Footer */
footer {
    padding: 4rem 0;
    border-top: 1px dashed var(--border-color);
    text-align: center;
    color: var(--text-dim);
}

footer a {
    color: var(--text-main);
    text-decoration: underline;
}

.copyright {
    margin-top: 1rem;
    font-size: 0.8rem;
}

.footer-logo-container {
    margin-bottom: 2rem;
    display: flex;
    justify-content: center;
}

.footer-logo {
    width: 120px;
    height: 30px;
    background-color: var(--accent-color);
    -webkit-mask-image: url('logo.svg');
    mask-image: url('logo.svg');
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-position: center;
    mask-position: center;
    opacity: 0.7;
    transition: opacity 0.3s, transform 0.3s;
}

.footer-logo:hover {
    opacity: 1;
    transform: scale(1.05);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 10px;
    background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border: 1px solid var(--bg-color);
}

/* Responsive */
.mobile-only {
    display: none;
}

@media (max-width: 768px) {
    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: block;
    }
}

@media (max-width: 600px) {
    .ascii-banner {
        font-size: 0.4rem;
    }

    .hero-title {
        font-size: 1.8rem;
    }
}