:root {
    --bg: #0b1220;
    --surface: #121d30;
    --surface-light: #1b2a41;
    --text: #edf4ff;
    --muted: #a8b8cc;
    --accent: #64b5ff;
    --border: #2b3b52;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.7;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.navbar {
    background: #101b2c;
    border-bottom: 1px solid var(--border);
    padding: 16px 5%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
}

.brand {
    font-size: 20px;
    font-weight: bold;
    color: var(--text);
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.nav-links a {
    color: var(--muted);
    font-size: 14px;
}

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

.container {
    width: min(1100px, 90%);
    margin: 0 auto;
}

.hero {
    padding: 65px 0 45px;
}

.eyebrow {
    color: var(--accent);
    font-size: 13px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 2px;
}

h1 {
    font-size: clamp(32px, 5vw, 52px);
    line-height: 1.15;
    margin: 12px 0 18px;
}

h2 {
    margin-top: 36px;
}

p {
    color: var(--muted);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
    margin: 24px 0 45px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 22px;
}

.card h3 {
    margin-top: 0;
}

.card:hover {
    border-color: var(--accent);
}

.tag {
    display: inline-block;
    color: var(--accent);
    background: var(--surface-light);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
}

pre {
    overflow-x: auto;
    padding: 18px;
    background: #070d17;
    border: 1px solid var(--border);
    border-radius: 10px;
    color: #b8e3ff;
}

code {
    font-family: Consolas, monospace;
}

footer {
    margin-top: 55px;
    padding: 25px 5%;
    border-top: 1px solid var(--border);
    color: var(--muted);
    text-align: center;
    font-size: 13px;
}