/* Retro Terminal Theme */
:root {
    --terminal-green: #33ff00;
    --terminal-amber: #ffb000;
    --terminal-glow: rgba(51, 255, 0, 0.5);
    --bg-color: #0d0d0d;
    --scanline-color: rgba(0, 0, 0, 0.5);
    
    /* Default Theme (Green) */
    --text-color: var(--terminal-green);
    --glow-color: var(--terminal-glow);
    --border-style: solid;
}

[data-theme="amber"] {
    --text-color: var(--terminal-amber);
    --glow-color: rgba(255, 176, 0, 0.5);
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'VT323', monospace;
    font-size: 1.2rem;
    line-height: 1.4;
    overflow-x: hidden;
    text-shadow: 0 0 2px var(--glow-color);
}

/* CRT Effects */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: linear-gradient(
        to bottom,
        rgba(255,255,255,0),
        rgba(255,255,255,0) 50%,
        rgba(0,0,0,0.2) 50%,
        rgba(0,0,0,0.2)
    );
    background-size: 100% 4px;
    z-index: 9999;
    pointer-events: none;
}

.crt-flicker {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(18, 16, 16, 0.1);
    opacity: 0;
    z-index: 9998;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}

@keyframes flicker {
    0% { opacity: 0.04; }
    50% { opacity: 0.07; }
    100% { opacity: 0.04; }
}

/* Layout */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

a {
    color: var(--text-color);
    text-decoration: none;
    border-bottom: 1px dashed var(--text-color);
    transition: all 0.2s;
}

a:hover {
    background: var(--text-color);
    color: var(--bg-color);
    text-decoration: none;
    text-shadow: none;
}

/* Header */
.header {
    padding: 1rem 0;
    border-bottom: 2px double var(--text-color);
    background: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.logo::before {
    content: "> ";
    animation: blink 1s step-end infinite;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    font-family: inherit;
    font-size: 1rem;
    padding: 0.2rem 0.5rem;
    cursor: pointer;
    text-transform: uppercase;
}

.theme-toggle:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

/* Hero */
.hero {
    padding: 4rem 0;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    border: 1px solid var(--text-color);
    padding: 0.2rem 0.8rem;
    margin-bottom: 2rem;
    text-transform: uppercase;
    font-size: 0.9rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: normal;
    text-transform: uppercase;
    letter-spacing: -2px;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.8;
}

.hero-description {
    max-width: 600px;
    margin: 0 auto 3rem;
    border-left: 2px solid var(--text-color);
    padding-left: 1rem;
    text-align: left;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    border: 2px solid var(--text-color);
    font-family: inherit;
    font-size: 1.2rem;
    text-transform: uppercase;
    cursor: pointer;
    background: transparent;
    color: var(--text-color);
    margin: 0 0.5rem;
    text-decoration: none; /* Override default a styling */
}

.btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
    box-shadow: 0 0 15px var(--glow-color);
}

/* Terminal Preview */
.terminal-preview {
    margin-top: 4rem;
    border: 2px solid var(--text-color);
    text-align: left;
    background: rgba(0,0,0,0.8);
    box-shadow: 0 0 20px var(--glow-color);
}

.terminal-header {
    border-bottom: 1px solid var(--text-color);
    padding: 0.5rem;
    display: flex;
    justify-content: space-between;
    background: rgba(51, 255, 0, 0.1);
}

[data-theme="amber"] .terminal-header {
    background: rgba(255, 176, 0, 0.1);
}

.terminal-title {
    text-transform: uppercase;
    font-size: 0.9rem;
}

.terminal-buttons {
    display: none; /* Hide mac-style buttons */
}

.terminal-body {
    padding: 1.5rem;
}

.terminal-body code {
    font-family: inherit;
    display: block;
    white-space: pre-wrap;
}

/* Text Colors within terminal */
.terminal-prompt { color: var(--text-color); font-weight: bold; }
.terminal-success { color: var(--text-color); }
.terminal-info { color: #00ffff; }
.terminal-gray { opacity: 0.6; }
.terminal-admin { color: #ff0000; text-shadow: 0 0 5px red; }
.terminal-user { color: #ffff00; text-shadow: 0 0 5px yellow;}
.terminal-you { color: var(--text-color); font-weight: bold;}

/* Features */
.features {
    padding: 4rem 0;
    border-top: 1px dashed var(--text-color);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    text-transform: uppercase;
    margin-bottom: 3rem;
}

.section-title::before, .section-title::after {
    content: "---";
    margin: 0 1rem;
    opacity: 0.5;
}

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

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

.feature-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: 4px 4px 0 var(--text-color);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

/* Installation */
.installation {
    padding: 4rem 0;
    border-top: 1px dashed var(--text-color);
}

.step-number {
    font-size: 3rem;
    font-weight: bold;
    line-height: 1;
    margin-right: 1.5rem;
    opacity: 0.5;
}

.installation-step {
    display: flex;
    align-items: flex-start;
    margin-bottom: 2rem;
}

.code-block {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(0,0,0,0.5);
    padding: 1rem;
    border: 1px solid var(--text-color);
    margin-top: 0.5rem;
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--text-color);
    color: var(--text-color);
    padding: 0.2rem 0.5rem;
    font-family: inherit;
    cursor: pointer;
    text-transform: uppercase;
}

.copy-btn:hover {
    background: var(--text-color);
    color: var(--bg-color);
}

/* Commands */
.commands {
    padding: 4rem 0;
    border-top: 1px dashed var(--text-color);
}

.commands-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.command-card {
    border: 1px solid var(--text-color);
    padding: 1rem;
}

.command-card code {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    border-bottom: 1px dotted var(--text-color);
    padding-bottom: 0.2rem;
}

/* CTA */
.cta {
    padding: 4rem 0;
    text-align: center;
    border-top: 1px dashed var(--text-color);
}

.cta-content {
    border: 2px double var(--text-color);
    padding: 3rem;
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 2px double var(--text-color);
    font-size: 0.9rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
    text-transform: uppercase;
    text-decoration: underline;
}

.footer-section ul {
    list-style: square;
    padding-left: 1.2rem;
}

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

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

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

::-webkit-scrollbar-thumb {
    background: var(--text-color);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-color);
    box-shadow: 0 0 10px var(--glow-color);
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    body {
        font-size: 1rem;
    }

    .container {
        padding: 0 0.75rem;
    }

    /* Header Mobile */
    .nav {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.8rem;
    }

    .logo {
        font-size: 1.3rem;
    }

    /* Hero Mobile */
    .hero {
        padding: 2rem 0;
    }

    .hero-title {
        font-size: 2.2rem;
        letter-spacing: -1px;
    }

    .hero-subtitle {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
    }

    .hero-description {
        font-size: 0.95rem;
        margin-bottom: 2rem;
    }

    .hero-buttons {
        display: flex;
        flex-direction: column;
        gap: 0.8rem;
    }

    .btn {
        display: block;
        width: 100%;
        margin: 0;
        padding: 0.8rem 1rem;
        font-size: 1rem;
        text-align: center;
    }

    /* Terminal Preview Mobile */
    .terminal-preview {
        margin-top: 2rem;
    }

    .terminal-body {
        padding: 1rem;
        overflow-x: auto;
    }

    .terminal-body code {
        font-size: 0.85rem;
    }

    /* Features Mobile */
    .features {
        padding: 2.5rem 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 2rem;
    }

    .section-title::before, .section-title::after {
        content: "-";
        margin: 0 0.5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-card {
        padding: 1.2rem;
    }

    .feature-icon {
        font-size: 1.5rem;
    }

    /* Installation Mobile */
    .installation {
        padding: 2.5rem 0;
    }

    .installation-step {
        flex-direction: column;
        align-items: flex-start;
    }

    .step-number {
        font-size: 2rem;
        margin-right: 0;
        margin-bottom: 0.5rem;
    }

    .code-block {
        flex-direction: column;
        gap: 0.8rem;
        align-items: stretch;
        width: 100%;
    }

    .code-block code {
        word-break: break-all;
        font-size: 0.85rem;
    }

    /* Commands Mobile */
    .commands {
        padding: 2.5rem 0;
    }

    .commands-grid {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .command-card {
        padding: 0.8rem;
    }

    .command-card code {
        font-size: 1rem;
    }

    /* CTA Mobile */
    .cta {
        padding: 2.5rem 0;
    }

    .cta-content {
        padding: 1.5rem;
    }

    .cta-content h2 {
        font-size: 1.4rem;
    }

    .cta-buttons {
        display: flex;
        flex-direction: column;
        gap: 0.8rem;
        margin-top: 1rem;
    }

    /* Footer Mobile */
    .footer {
        padding: 1.5rem 0;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
    }

    .footer-section h4 {
        font-size: 0.9rem;
    }

    .footer-section ul {
        font-size: 0.85rem;
    }

    .footer-bottom {
        font-size: 0.8rem;
        text-align: center;
    }
}

/* Extra small devices */
@media (max-width: 400px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.4rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .nav-links a {
        font-size: 0.9rem;
    }
}