:root {
    --tech-bg: #0d1117;
    --tech-text: #c9d1d9;
    --tech-primary: #58a6ff; /* Tech Blue */
    --tech-secondary: #161b22;
    --tech-accent: #3fb950; /* Success Green */
    --tech-border: #30363d;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    background-color: var(--tech-bg); color: var(--tech-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.6; overflow-x: hidden;
}

.tech-container { max-width: 1000px; margin: 0 auto; padding: 0 20px;}

/* Header */
.tech-header {
    display: flex; justify-content: space-between; align-items: center;
    padding: 20px 0; margin-bottom: 40px; border-bottom: 1px solid var(--tech-border);
}
.tech-brand {
    font-size: 24px; font-weight: 600; color: var(--tech-text);
    display: flex; align-items: center; gap: 10px;
}
.tech-brand::before {
    content: '</>'; font-size: 24px; color: var(--tech-primary); font-weight: bold;
}
.tech-nav { display: flex; gap: 20px; }
.tech-nav a {
    font-size: 14px; font-weight: 600; color: var(--tech-text); text-decoration: none;
    padding: 5px 10px; border-radius: 6px; transition: background 0.2s;
}
.tech-nav a:hover, .tech-nav a.active { background: var(--tech-border); }

/* Hero */
.tech-hero {
    text-align: center; margin-bottom: 60px; padding: 60px 20px;
    background: var(--tech-secondary); border: 1px solid var(--tech-border);
    border-radius: 6px;
}
.tech-hero h1 {
    font-size: 40px; color: #fff; margin-bottom: 20px; font-weight: 600;
}
.tech-hero p { font-size: 18px; color: #8b949e; margin-bottom: 40px; max-width: 700px; margin-left: auto; margin-right: auto;}

.btn-tech {
    display: inline-block; padding: 12px 24px; font-size: 16px; font-weight: 600;
    color: #ffffff; background: #238636; border: 1px solid rgba(240, 246, 252, 0.1);
    border-radius: 6px; text-decoration: none; transition: background 0.2s;
}
.btn-tech:hover { background: #2ea043; }

/* Architecture / Features */
.tech-arch { margin-bottom: 80px; }
.tech-arch h2 { font-size: 24px; margin-bottom: 30px; color: #fff; border-bottom: 1px solid var(--tech-border); padding-bottom: 10px;}
.ta-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.ta-card {
    background: var(--tech-secondary); padding: 25px; border: 1px solid var(--tech-border);
    border-radius: 6px;
}
.ta-card h3 { font-size: 18px; color: var(--tech-primary); margin-bottom: 15px; font-family: monospace;}
.ta-card p { font-size: 14px; color: #8b949e;}

/* Code Block Style */
.code-block {
    background: #010409; border: 1px solid var(--tech-border); border-radius: 6px;
    padding: 20px; font-family: 'Courier New', Courier, monospace; font-size: 14px;
    color: #e6edf3; margin-bottom: 60px; overflow-x: auto;
}
.code-comment { color: #8b949e; }
.code-keyword { color: #ff7b72; }
.code-string { color: #a5d6ff; }

/* FAQ */
.tech-faq { margin-bottom: 80px; }
.tech-faq h2 { font-size: 24px; margin-bottom: 30px; color: #fff; border-bottom: 1px solid var(--tech-border); padding-bottom: 10px;}
.t-faq-item {
    margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--tech-border);
}
.t-fq { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 10px;}
.t-fa { font-size: 14px; color: #8b949e;}

footer {
    text-align: center; padding: 40px 0; color: #8b949e; font-size: 12px;
    border-top: 1px solid var(--tech-border);
}

@media (max-width: 768px) {
    .tech-header { flex-direction: column; gap: 15px; }
    .ta-grid { grid-template-columns: 1fr; }
}