/* ============================================
   LUCIDSHARK - Retro Tech Landing Page
   ============================================ */

/* CSS Variables */
:root {
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #0d1117;
    --color-primary: #00ff41;
    --color-primary-dim: #00cc33;
    --color-secondary: #00d4ff;
    --color-accent: #ff6b00;
    --color-text: #e0e0e0;
    --color-text-dim: #808080;
    --color-border: #2a2a2a;
    --color-success: #00ff41;
    --color-warning: #ffcc00;
    --color-error: #ff4444;

    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-retro: 'VT323', 'Courier New', monospace;

    --glow-primary: 0 0 10px rgba(0, 255, 65, 0.5), 0 0 20px rgba(0, 255, 65, 0.3);
    --glow-secondary: 0 0 10px rgba(0, 212, 255, 0.5), 0 0 20px rgba(0, 212, 255, 0.3);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-mono);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Scanline Effect */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        rgba(0, 0, 0, 0.15),
        rgba(0, 0, 0, 0.15) 1px,
        transparent 1px,
        transparent 2px
    );
    opacity: 0.3;
}

/* CRT Overlay */
.crt-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    background: radial-gradient(
        ellipse at center,
        transparent 0%,
        rgba(0, 0, 0, 0.2) 80%,
        rgba(0, 0, 0, 0.4) 100%
    );
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
}

.logo-bracket {
    color: var(--color-primary);
}

.logo-text {
    color: var(--color-text);
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--color-text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--color-primary);
    text-shadow: var(--glow-primary);
}

.nav-links a:hover::after {
    width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 4px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -4px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 6rem 2rem 4rem;
    text-align: center;
    background:
        linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%),
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 50px,
            rgba(0, 255, 65, 0.03) 50px,
            rgba(0, 255, 65, 0.03) 51px
        );
}

.hero-content {
    max-width: 800px;
    margin-bottom: 3rem;
}

.ascii-art {
    color: var(--color-primary);
    font-size: 0.5rem;
    line-height: 1;
    margin-bottom: 2rem;
    opacity: 0.8;
    text-shadow: var(--glow-primary);
    display: none;
}

@media (min-width: 768px) {
    .ascii-art {
        display: block;
        font-size: 0.6rem;
    }
}

@media (min-width: 1024px) {
    .ascii-art {
        font-size: 0.7rem;
    }
}

.hero-title {
    font-family: var(--font-retro);
    font-size: clamp(3rem, 10vw, 6rem);
    font-weight: 400;
    letter-spacing: 0.2em;
    margin-bottom: 1rem;
    color: var(--color-primary);
    text-shadow: var(--glow-primary);
}

/* Glitch Effect - Subtle version */
.glitch {
    position: relative;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
}

.glitch::before {
    left: 2px;
    text-shadow: -2px 0 var(--color-accent);
    animation: glitch-subtle 8s infinite;
}

.glitch::after {
    left: -2px;
    text-shadow: -2px 0 var(--color-secondary);
    animation: glitch-subtle 8s infinite 0.1s;
}

/* Subtle glitch - only flickers occasionally */
@keyframes glitch-subtle {
    0%, 92%, 94%, 96%, 100% {
        opacity: 0;
        transform: translate(0);
    }
    93% {
        opacity: 0.8;
        transform: translate(-2px, 1px);
    }
    95% {
        opacity: 0.8;
        transform: translate(2px, -1px);
    }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-dim);
    margin-bottom: 2rem;
    font-family: var(--font-mono);
}

.typing-effect {
    overflow: hidden;
    white-space: nowrap;
    animation: typing 3s steps(60, end);
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.badge {
    padding: 0.5rem 1rem;
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    font-size: 0.75rem;
    letter-spacing: 1px;
    background: rgba(0, 255, 65, 0.1);
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-decoration: none;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
    border: 2px solid var(--color-primary);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-primary);
    box-shadow: var(--glow-primary);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-secondary);
    color: var(--color-secondary);
    box-shadow: var(--glow-secondary);
}

/* Terminal */
.hero-terminal {
    width: 100%;
    max-width: 600px;
    margin-top: 2rem;
}

.terminal {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal-header {
    background: var(--color-bg-alt);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-btn.red { background: #ff5f56; }
.terminal-btn.yellow { background: #ffbd2e; }
.terminal-btn.green { background: #27c93f; }

.terminal-title {
    margin-left: auto;
    font-size: 0.75rem;
    color: var(--color-text-dim);
}

.terminal-body {
    padding: 1.5rem;
    font-size: 0.9rem;
    text-align: left;
}

.terminal-line {
    margin-bottom: 0.5rem;
}

.prompt {
    color: var(--color-primary);
    margin-right: 0.5rem;
}

.terminal-output {
    color: var(--color-text-dim);
    margin-bottom: 0.3rem;
    padding-left: 1rem;
}

.output-info {
    color: var(--color-secondary);
}

.output-check {
    color: var(--color-success);
}

.status-ok {
    color: var(--color-success);
}

.blinking-cursor .cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Sections */
.section {
    padding: 6rem 0;
}

.section-title {
    font-family: var(--font-retro);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 4rem;
    color: var(--color-text);
    letter-spacing: 0.1em;
}

.title-decoration {
    color: var(--color-primary);
}

/* Features */
.features {
    background: var(--color-bg-alt);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.feature-card:hover::before {
    opacity: 1;
}

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

.icon-ascii {
    color: var(--color-primary);
    font-size: 0.8rem;
    line-height: 1.2;
    text-shadow: var(--glow-primary);
}

.feature-card h3 {
    font-family: var(--font-retro);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
    letter-spacing: 1px;
}

.feature-card p {
    color: var(--color-text-dim);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* How It Works */
.how-it-works {
    background: var(--color-bg);
}

.workflow {
    max-width: 600px;
    margin: 0 auto;
}

.workflow-step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

.step-number {
    font-family: var(--font-retro);
    font-size: 3rem;
    color: var(--color-primary);
    text-shadow: var(--glow-primary);
    line-height: 1;
    min-width: 80px;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    font-family: var(--font-retro);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
    letter-spacing: 2px;
}

.code-block {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 1.5rem;
    overflow-x: auto;
    position: relative;
}

.code-block pre {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.code-block code {
    font-family: var(--font-mono);
}

.code-block .comment { color: var(--color-text-dim); }
.code-block .key { color: var(--color-secondary); }
.code-block .string { color: var(--color-primary); }
.code-block .bool { color: var(--color-accent); }
.code-block .prompt { color: var(--color-primary); }
.code-block .output { color: var(--color-secondary); }
.code-block .success { color: var(--color-success); }
.code-block .info { color: var(--color-secondary); }

.workflow-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem 0 1rem 40px;
}

.connector-line {
    width: 2px;
    height: 30px;
    background: var(--color-border);
}

.connector-arrow {
    color: var(--color-primary);
    font-size: 1.5rem;
}

/* Languages */
.languages {
    background: var(--color-bg-alt);
}

.language-tiers {
    display: grid;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.tier {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 1.5rem 2rem;
}

.tier-header {
    margin-bottom: 1rem;
}

.tier-badge {
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    letter-spacing: 1px;
    display: inline-block;
}

.tier-badge.full {
    background: rgba(0, 255, 65, 0.2);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.tier-badge.partial {
    background: rgba(0, 212, 255, 0.2);
    color: var(--color-secondary);
    border: 1px solid var(--color-secondary);
}

.tier-badge.basic {
    background: rgba(255, 204, 0, 0.2);
    color: var(--color-warning);
    border: 1px solid var(--color-warning);
}

.tier-badge.minimal {
    background: rgba(128, 128, 128, 0.2);
    color: var(--color-text-dim);
    border: 1px solid var(--color-text-dim);
}

.tier-languages {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tier-languages .lang {
    padding: 0.5rem 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    font-size: 0.85rem;
    color: var(--color-text);
}

/* Install */
.install {
    background: var(--color-bg);
}

.install-methods {
    max-width: 700px;
    margin: 0 auto 3rem;
}

.install-method {
    margin-bottom: 2rem;
}

.install-method h3 {
    font-family: var(--font-mono);
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.method-icon {
    color: var(--color-primary);
}

.install-method .code-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.install-method .code-block pre {
    flex: 1;
    min-width: 0;
    overflow-x: auto;
}

.copy-btn {
    background: var(--color-border);
    border: none;
    color: var(--color-text-dim);
    padding: 0.5rem 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
    white-space: nowrap;
}

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

.copy-btn.copied {
    background: var(--color-success);
    color: var(--color-bg);
}

.quick-start {
    max-width: 700px;
    margin: 0 auto;
}

.quick-start h3 {
    font-family: var(--font-retro);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    text-align: center;
    color: var(--color-text);
    letter-spacing: 2px;
}

/* CTA */
.cta {
    background: linear-gradient(180deg, var(--color-bg-alt) 0%, var(--color-bg) 100%);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-retro);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
    text-shadow: var(--glow-primary);
    letter-spacing: 2px;
}

.cta-content p {
    color: var(--color-text-dim);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Footer */
.footer {
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    padding: 3rem 0;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--color-primary);
}

.footer-copyright {
    color: var(--color-text-dim);
    font-size: 0.8rem;
}

.footer-ascii {
    margin-top: 1rem;
    color: var(--color-border);
    letter-spacing: 2px;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .section {
        padding: 4rem 0;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        padding: 1rem;
        border-bottom: 1px solid var(--color-border);
        gap: 0;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links a:last-child {
        border-bottom: none;
    }

    .nav-links a::after {
        display: none;
    }

    .container {
        padding: 0 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
    }

    /* Hero */
    .hero {
        padding: 5rem 1rem 3rem;
        min-height: auto;
    }

    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 0.1em;
    }

    .hero-subtitle {
        font-size: 0.9rem;
    }

    .hero-badges {
        gap: 0.5rem;
    }

    .badge {
        font-size: 0.65rem;
        padding: 0.4rem 0.75rem;
    }

    .hero-cta {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

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

    /* Terminal */
    .hero-terminal {
        margin-top: 2rem;
    }

    .terminal-body {
        padding: 1rem;
        font-size: 0.8rem;
    }

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

    .feature-card {
        padding: 1.5rem;
    }

    .icon-ascii {
        font-size: 0.7rem;
    }

    /* Claude Code Section */
    .claude-hero-text h3 {
        font-size: 1.5rem;
    }

    .claude-hero-text p {
        font-size: 1rem;
    }

    .claude-loop {
        flex-direction: column;
        gap: 0.75rem;
        padding: 1rem;
    }

    .loop-item {
        font-size: 0.85rem;
    }

    /* Workflow */
    .workflow-step {
        flex-direction: column;
        gap: 1rem;
    }

    .step-number {
        min-width: auto;
        font-size: 2rem;
    }

    .step-content h3 {
        font-size: 1.2rem;
    }

    .workflow-connector {
        padding-left: 0;
    }

    .code-block {
        padding: 1rem;
    }

    .code-block pre {
        font-size: 0.75rem;
    }

    /* Languages */
    .tier {
        padding: 1rem;
    }

    .tier-languages {
        gap: 0.5rem;
    }

    .tier-languages .lang {
        padding: 0.4rem 0.75rem;
        font-size: 0.75rem;
    }

    /* Install */
    .install-method .code-block {
        flex-direction: column;
        align-items: stretch;
    }

    .copy-btn {
        width: 100%;
    }

    /* CTA */
    .cta-content h2 {
        font-size: 1.8rem;
    }

    .cta-content p {
        font-size: 1rem;
    }

    .cta-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }

    /* Footer */
    .footer-links {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
}

/* Responsive - Small Mobile */
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .terminal-body {
        font-size: 0.7rem;
    }

    .code-block pre {
        font-size: 0.65rem;
    }

    .nav-logo {
        font-size: 1rem;
    }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.tier,
.workflow-step {
    animation: fadeInUp 0.6s ease forwards;
}

/* Selection */
::selection {
    background: var(--color-primary);
    color: var(--color-bg);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

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

/* Claude Code Section */
.claude-code {
    background: var(--color-bg);
}

.claude-hero {
    max-width: 700px;
    margin: 0 auto 4rem;
    text-align: center;
}

.claude-hero-text h3 {
    font-family: var(--font-retro);
    font-size: 2rem;
    color: var(--color-secondary);
    text-shadow: var(--glow-secondary);
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.claude-hero-text p {
    color: var(--color-text-dim);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
}

.claude-hero-text code {
    background: var(--color-bg-card);
    padding: 0.2rem 0.5rem;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
}

.claude-loop {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.loop-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.loop-icon {
    color: var(--color-primary);
    font-weight: bold;
}

.loop-item:last-child .loop-icon {
    color: var(--color-secondary);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Claude block styling */
.claude-block {
    border-left: 3px solid var(--color-secondary);
}

.prompt-ai {
    color: var(--color-secondary);
    font-weight: 500;
}

.terminal-gap {
    margin-top: 1rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--color-border);
}

/* Feature highlight */
.feature-highlight {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(0, 212, 255, 0.05) 100%);
}

.feature-highlight::before {
    background: linear-gradient(90deg, var(--color-secondary), transparent);
    opacity: 1;
}

.feature-highlight .icon-ascii {
    color: var(--color-secondary);
    text-shadow: var(--glow-secondary);
}

.feature-highlight h3 {
    color: var(--color-secondary);
}

/* Code block number */
.code-block .number {
    color: var(--color-accent);
}