/* Modern Professional Dark Theme - No Gradients or Emojis */

:root {
    --bg-primary: #0f0f0f;
    --bg-secondary: #1a1a1a;
    --bg-tertiary: #252525;
    --text-primary: #e8e8e8;
    --text-secondary: #b0b0b0;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --border: #333333;
    --success: #10b981;
    --warning: #f59e0b;
}

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

::selection {
    background-color: var(--accent);
    color: white;
}

::-moz-selection {
    background-color: var(--accent);
    color: white;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'SF Pro Display', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header and Navigation */
header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

/* Main Content */
main {
    flex: 1;
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Sections */
.hero {
    padding: 6rem 0 5rem;
    text-align: center;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.hero p {
    font-size: 1.35rem;
    max-width: 700px;
    margin: 0 auto 2rem;
    font-weight: 400;
    letter-spacing: -0.01em;
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

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

.feature-card h3 {
    margin-top: 0;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.btn:hover {
    background-color: var(--accent-hover);
    color: white;
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border);
}

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

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

.launchpad-section {
    margin-bottom: 4rem;
}

.launchpad-section h2 {
    font-size: 1.75rem;
    margin-top: 0;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.launchpad-section h2 i {
    color: var(--accent);
    font-size: 1.5rem;
}

.launchpad-section > p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.launch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.launch-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem 1rem;
    text-align: center;
    text-decoration: none;
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s ease;
}

.launch-card i {
    font-size: 2rem;
    color: var(--accent);
    transition: color 0.2s ease;
}

.launch-card span {
    font-size: 0.95rem;
    font-weight: 500;
}

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

.launch-card:hover i {
    color: var(--text-primary);
}

.section-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.info-banner {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem 2rem;
    margin: 3rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.info-banner i {
    color: var(--accent);
    font-size: 1.5rem;
}

.info-banner span {
    flex: 1;
}

/* Content Sections */
.content-section {
    margin: 3rem 0;
}

.content-section ul {
    list-style-position: inside;
    margin-left: 1rem;
}

.content-section li {
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

/* Code blocks */
pre {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

code {
    font-family: 'Courier New', monospace;
    color: var(--accent);
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
}

.footer-content p {
    margin: 0.5rem 0;
    color: var(--text-secondary);
}

.footer-content a {
    color: var(--accent);
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
        font-size: 0.9rem;
    }

    main {
        padding: 2rem 1rem;
    }

    .hero {
        padding: 2rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
        padding: 0 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }

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

    .feature-card {
        padding: 1.5rem;
    }

    .btn {
        padding: 0.625rem 1.25rem;
        font-size: 0.9rem;
    }

    footer {
        padding: 1.5rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.75rem;
    }

    .logo {
        font-size: 1.25rem;
    }

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

    .feature-card {
        padding: 1rem;
    }
}

/* Featured Articles Section */
.featured-articles {
    margin: 3rem 0 4rem;
    padding: 0 1rem;
}

.featured-articles h2 {
    text-align: center;
    margin-bottom: 2.5rem;
    font-size: 2rem;
    color: var(--text-primary);
}

.featured-articles h2 i {
    color: var(--accent);
    margin-right: 0.5rem;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.article-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 2rem;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.article-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.article-card h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.25rem;
    line-height: 1.4;
}

.article-snippet {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    flex-grow: 1;
    margin: 0;
}

.article-date {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    font-style: italic;
}

/* Tool Launch Section */
.tool-launch {
    margin: 2rem 0;
    text-align: center;
}

.btn-launch {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    background-color: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-launch:hover {
    background-color: var(--accent-hover);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-launch i {
    font-size: 1rem;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-articles h2 {
        font-size: 1.5rem;
    }
}