/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Theme Colors */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --text-primary: #e6edf3;
    --text-secondary: #7d8590;
    --accent-green: #3fb950;
    --accent-blue: #58a6ff;
    --accent-purple: #bc8cff;
    --border-color: #30363d;
    --shadow: rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

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

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
}

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

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
    font-size: 0.9rem;
}

.nav-links a:hover {
    color: var(--accent-green);
}

/* Buttons */
.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    display: inline-block;
    font-size: 0.9rem;
    border: 2px solid;
}

.btn-primary {
    background-color: var(--accent-green);
    color: var(--bg-primary);
    border-color: var(--accent-green);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--accent-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(63, 185, 80, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.highlight {
    color: var(--accent-green);
    position: relative;
}

/* Rotating Tagline */
.rotating-tagline {
    min-height: 40px;
    margin: 1rem 0;
    display: flex;
    align-items: center;
}

.tagline-text {
    font-size: 1.3rem;
    color: var(--accent-blue);
    font-weight: 500;
    opacity: 1;
    transition: opacity 0.5s ease-in-out;
    display: inline-block;
}

.tagline-text.fade-out {
    opacity: 0;
}

.tagline-text.fade-in {
    opacity: 1;
}

.lead {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

/* Section Styles */
section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.comment {
    color: var(--text-secondary);
    margin-right: 0.5rem;
}

/* About Section */
.about {
    background-color: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.about-col h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.about-col p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Code Block */
.code-block {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
}

.code-block pre {
    margin: 0;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
}

.keyword {
    color: #ff7b72;
}

.property {
    color: #79c0ff;
}

.string {
    color: #a5d6ff;
}

.function {
    color: #d2a8ff;
}

/* Stats */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    padding: 2rem 0;
}

.stat {
    text-align: center;
    padding: 2rem;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-green);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-secondary);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s, border-color 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-green);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-blue);
}

.code-snippet {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    overflow-x: auto;
}

.code-snippet code {
    font-size: 0.85rem;
    line-height: 1.6;
}

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

.success {
    color: var(--accent-green);
}

.service-card ul {
    list-style: none;
}

.service-card li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.service-card li:before {
    content: "▸";
    position: absolute;
    left: 0;
    color: var(--accent-green);
}

/* Console Section */
.console-section {
    background-color: var(--bg-secondary);
}

.console-hints {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.console-hints p {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.console-hints ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.console-hints li {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.console-hints code {
    color: var(--accent-green);
    background-color: var(--bg-primary);
    padding: 0.2rem 0.5rem;
    border-radius: 3px;
}

/* Contact Section */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-col h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--accent-blue);
}

.contact-col p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.contact-item strong {
    color: var(--text-primary);
}

.contact-item a {
    color: var(--accent-green);
    text-decoration: none;
    transition: color 0.3s;
}

.contact-item a:hover {
    color: var(--accent-blue);
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    margin-bottom: 1rem;
    color: var(--accent-green);
}

.footer-col p {
    color: var(--text-secondary);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-col a:hover {
    color: var(--accent-green);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-content,
    .about-content,
    .services-grid,
    .contact-content {
        grid-template-columns: 1fr;
    }

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

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .console-hints ul {
        grid-template-columns: 1fr;
    }

    .nav-links {
        gap: 1rem;
        font-size: 0.85rem;
    }

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

@media (max-width: 768px) {
    .nav {
        padding: 0.75rem 0;
    }

    .logo-text {
        font-size: 1.2rem;
    }

    .nav-links {
        gap: 0.5rem;
    }

    .nav-links a {
        font-size: 0.75rem;
    }

    .nav-links .btn-primary {
        padding: 0.5rem 1rem;
        font-size: 0.75rem;
    }

    .rotating-tagline {
        min-height: 35px;
    }

    .tagline-text {
        font-size: 1rem;
    }
}

@media (max-width: 600px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .stats {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
    }

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

    .nav-links {
        gap: 0.3rem;
    }

    .nav-links a {
        font-size: 0.7rem;
        white-space: nowrap;
    }

    .nav-links .btn-primary {
        padding: 0.4rem 0.8rem;
        font-size: 0.7rem;
    }

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

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-content {
        padding: 0 5px;
    }

    .nav-links {
        gap: 0.25rem;
    }

    .nav-links a {
        font-size: 0.65rem;
    }

    .nav-links .btn-primary {
        padding: 0.35rem 0.6rem;
        font-size: 0.65rem;
    }

    .logo-text {
        font-size: 0.9rem;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-text h1 {
        font-size: 1.75rem;
    }

    .tagline-text {
        font-size: 0.9rem;
    }

    .lead {
        font-size: 1rem;
    }
}