/* Retro Terminal Theme */
@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&display=swap');

:root {
    --bg-dark: #0a0a0a;
    --terminal-green: #00ff41;
    --terminal-green-dark: #00b82e;
    --terminal-glow: #00ff4180;
    --amber: #ffb000;
    --cyan: #00f0ff;
    --magenta: #ff00ff;
    --grid-color: #00ff4120;
}

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

body {
    font-family: 'VT323', monospace;
    background: var(--bg-dark);
    color: var(--terminal-green);
    overflow-x: hidden;
    min-height: 100vh;
}

/* CRT Effect */
.crt {
    animation: flicker 0.15s infinite;
    position: relative;
}

.crt::before {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: 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));
    z-index: 2;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}

.crt::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(18, 16, 16, 0.1);
    opacity: 0;
    z-index: 2;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}

.scanline {
    width: 100%;
    height: 100px;
    z-index: 8;
    background: linear-gradient(
        0deg,
        rgba(0, 0, 0, 0) 0%,
        rgba(255, 255, 255, 0.05) 10%,
        rgba(0, 0, 0, 0.1) 100%
    );
    opacity: 0.1;
    position: fixed;
    bottom: 100%;
    animation: scanline 10s linear infinite;
    pointer-events: none;
}

@keyframes scanline {
    0% {
        bottom: 100%;
    }
    100% {
        bottom: 0%;
    }
}

@keyframes flicker {
    0% {
        opacity: 0.97;
    }
    5% {
        opacity: 1;
    }
    10% {
        opacity: 0.97;
    }
    100% {
        opacity: 1;
    }
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 20px;
}

.ascii-logo {
    font-size: 10px;
    line-height: 1.2;
    color: var(--terminal-green);
    text-shadow: 0 0 10px var(--terminal-glow),
                 0 0 20px var(--terminal-glow);
    margin-bottom: 20px;
    overflow-x: auto;
}

.tagline {
    font-size: 24px;
    letter-spacing: 3px;
    color: var(--amber);
    text-shadow: 0 0 10px rgba(255, 176, 0, 0.5);
}

.blink {
    animation: blink 1.5s infinite;
}

@keyframes blink {
    0%, 49% {
        opacity: 1;
    }
    50%, 100% {
        opacity: 0.3;
    }
}

/* Terminal Window */
.terminal {
    background: #000;
    border: 3px solid var(--terminal-green);
    border-radius: 8px;
    margin: 40px 0;
    box-shadow: 0 0 20px var(--terminal-glow),
                0 0 40px rgba(0, 255, 65, 0.3),
                inset 0 0 30px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.terminal-header {
    background: var(--terminal-green-dark);
    padding: 8px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.terminal-title {
    color: #000;
    font-size: 18px;
    font-weight: bold;
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-buttons span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.btn-close {
    background: #ff5f56;
}

.btn-minimize {
    background: #ffbd2e;
}

.btn-maximize {
    background: #27c93f;
}

.terminal-body {
    padding: 20px;
    font-family: 'Share Tech Mono', monospace;
    font-size: 16px;
}

.prompt {
    margin-bottom: 15px;
}

.prompt-symbol {
    color: var(--amber);
}

.typing {
    color: var(--terminal-green);
}

.output {
    color: var(--terminal-green);
    line-height: 1.4;
}

.output pre {
    font-family: 'Share Tech Mono', monospace;
}

/* Sections */
.section-title {
    font-size: 36px;
    color: var(--cyan);
    text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
    margin: 60px 0 30px 0;
    border-bottom: 2px solid var(--terminal-green);
    padding-bottom: 10px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-box {
    background: rgba(0, 255, 65, 0.05);
    border: 2px solid var(--terminal-green);
    padding: 25px;
    text-align: center;
    transition: all 0.3s;
}

.feature-box:hover {
    background: rgba(0, 255, 65, 0.1);
    box-shadow: 0 0 20px var(--terminal-glow);
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 15px;
    filter: grayscale(1) brightness(1.5);
}

.feature-box h3 {
    font-size: 24px;
    color: var(--amber);
    margin-bottom: 10px;
}

.feature-box p {
    font-size: 16px;
    line-height: 1.5;
}

/* Installation */
.installation {
    margin: 60px 0;
}

.install-method {
    margin: 30px 0;
}

.install-method h3 {
    font-size: 24px;
    color: var(--magenta);
    margin-bottom: 15px;
}

.code-block {
    background: #000;
    border: 2px solid var(--terminal-green);
    padding: 20px;
    margin: 15px 0;
    overflow-x: auto;
}

.code-block code {
    font-family: 'Share Tech Mono', monospace;
    font-size: 16px;
    color: var(--terminal-green);
    display: block;
    line-height: 1.8;
}

/* Buttons */
.retro-button {
    display: inline-block;
    padding: 15px 30px;
    background: var(--terminal-green-dark);
    color: #000;
    font-size: 20px;
    font-weight: bold;
    text-decoration: none;
    border: 3px solid var(--terminal-green);
    box-shadow: 0 0 20px var(--terminal-glow);
    transition: all 0.3s;
    margin: 10px;
}

.retro-button:hover {
    background: var(--terminal-green);
    box-shadow: 0 0 30px var(--terminal-glow),
                0 0 50px rgba(0, 255, 65, 0.5);
    transform: scale(1.05);
}

.button-icon {
    margin-right: 10px;
}

.download-buttons {
    text-align: center;
    margin: 30px 0;
}

.download-platforms {
    text-align: center;
    color: var(--amber);
    font-size: 18px;
}

/* Quick Start Steps */
.step {
    display: flex;
    align-items: flex-start;
    margin: 30px 0;
    gap: 20px;
}

.step-number {
    background: var(--terminal-green);
    color: #000;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    flex-shrink: 0;
    box-shadow: 0 0 20px var(--terminal-glow);
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-size: 24px;
    color: var(--cyan);
    margin-bottom: 10px;
}

.step-content p {
    font-size: 18px;
    line-height: 1.6;
}

.step-content a {
    color: var(--amber);
    text-decoration: underline;
}

/* Examples */
.example-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.example {
    background: rgba(0, 255, 65, 0.05);
    border: 2px solid var(--terminal-green);
    padding: 20px;
}

.example-title {
    font-size: 20px;
    color: var(--magenta);
    margin-bottom: 15px;
    text-shadow: 0 0 10px rgba(255, 0, 255, 0.5);
}

/* Footer */
.footer {
    margin-top: 80px;
    padding: 40px 0;
    border-top: 2px solid var(--terminal-green);
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.retro-link {
    color: var(--terminal-green);
    text-decoration: none;
    font-size: 20px;
    padding: 10px 20px;
    border: 2px solid var(--terminal-green);
    transition: all 0.3s;
}

.retro-link:hover {
    background: var(--terminal-green);
    color: #000;
    box-shadow: 0 0 20px var(--terminal-glow);
}

.link-icon {
    margin-right: 8px;
}

.copyright {
    margin-top: 30px;
}

.copyright p {
    font-size: 18px;
    margin: 10px 0;
}

/* Responsive */
@media (max-width: 768px) {
    .ascii-logo {
        font-size: 6px;
    }

    .section-title {
        font-size: 28px;
    }

    .features-grid,
    .example-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
    }

    .retro-button {
        width: 100%;
        text-align: center;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-box,
.example,
.step {
    animation: fadeIn 0.6s ease-out;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: #000;
}

::-webkit-scrollbar-thumb {
    background: var(--terminal-green);
    border: 2px solid #000;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--terminal-green-dark);
}