:root {
    --primary: #58a6ff;
    --bg-main: #0d1117;
    --bg-secondary: #161b22;
    --text-primary: #c9d1d9;
    --text-secondary: #8b949e;
    --border: #30363d;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-mono: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, Liberation Mono, monospace;
}

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

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

h1, h2, h3 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 4rem 0;
    border-bottom: 1px solid var(--border);
}

.hero {
    text-align: center;
    padding: 6rem 0;
    background: radial-gradient(circle at center, #161b22 0%, #0d1117 100%);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 2rem;
}

.placeholder-img {
    background: var(--bg-secondary);
    border: 2px dashed var(--border);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    height: 300px;
    margin: 2rem 0;
    font-family: var(--font-mono);
}

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

.card {
    background: var(--bg-secondary);
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.pipeline {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.step {
    background: var(--bg-secondary);
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    flex: 1;
    text-align: center;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    min-width: 150px;
}

.arrow {
    color: var(--text-secondary);
    font-weight: bold;
}

/* Tabs */
.tabs {
    margin-top: 2rem;
}

.tab-list {
    display: flex;
    list-style: none;
    border-bottom: 1px solid var(--border);
}

.tab-item {
    padding: 1rem 2rem;
    cursor: pointer;
    border: 1px solid transparent;
    border-bottom: none;
    color: var(--text-secondary);
}

.tab-item.active {
    background: var(--bg-secondary);
    border-color: var(--border);
    color: var(--primary);
    font-weight: bold;
}

.tab-content {
    background: var(--bg-secondary);
    padding: 2rem;
    border: 1px solid var(--border);
    border-top: none;
    display: none;
}

.tab-content.active {
    display: block;
}

code {
    font-family: var(--font-mono);
    background: #000;
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    color: var(--primary);
}

pre {
    background: #000;
    padding: 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin-top: 1rem;
}

pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}