/* --- GLOBAL VARIABLES & THEME --- */
:root {
    --bg-color: #050505; /* Deep Black */
    --card-bg: #111111;
    --text-main: #ffffff;
    --text-muted: #a3a3a3;
    --accent-color: #2979ff; /* Electric Blue */
    --accent-glow: rgba(41, 121, 255, 0.4);
    --font-main: 'Inter', sans-serif;
    --container-width: 1100px;
}

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

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

a { text-decoration: none; color: inherit; transition: 0.3s; }
ul { list-style: none; }

/* --- UTILITIES --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.standard-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background-color: var(--accent-color);
    color: white;
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0.5px;
    box-shadow: 0 0 15px var(--accent-glow);
    border: 1px solid var(--accent-color);
}

.btn:hover {
    background-color: transparent;
    color: var(--accent-color);
    box-shadow: 0 0 25px var(--accent-glow);
}

/* --- BACKGROUND FX --- */
.tech-bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle, black 40%, transparent 80%);
    -webkit-mask-image: radial-gradient(circle, black 40%, transparent 80%);
}

/* --- HEADER (Web Component Styles) --- */
header {
    padding: 20px 0;
    width: 100%;
    z-index: 100;
}

/* Index page specific overlay header */
.index-page header {
    position: absolute;
    top: 0;
}

/* Standard sticky header for other pages */
.sub-page header {
    border-bottom: 1px solid #222;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
}

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

.logo-container {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: white;
}

.logo-icon {
    height: 32px;
    width: auto;
}

.logo-container span { color: var(--accent-color); }

nav ul { display: flex; gap: 30px; }
nav a { font-size: 0.95rem; font-weight: 600; color: var(--text-muted); }
nav a:hover, nav a.active { color: white; }

/* --- FOOTER (Web Component Styles) --- */
footer {
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid #222;
    background-color: var(--bg-color);
}

.copyright {
    color: #444;
    font-size: 0.8rem;
}

/* --- ARTICLE & CONTENT STYLES --- */
article { padding: 80px 0 120px 0; }

article h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, #b3c7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

article h2 {
    font-size: 1.8rem;
    margin-top: 50px;
    margin-bottom: 20px;
    color: white;
}

article h3 {
     font-size: 1.4rem;
     margin-top: 30px;
     margin-bottom: 15px;
     color: white;
}

article p {
    margin-bottom: 20px;
    color: #ccc;
    font-size: 1.1rem;
    line-height: 1.6;
}

article ol, article ul {
    margin-bottom: 20px;
    padding-left: 40px;
    color: #ccc;
}

article li {
    margin-bottom: 10px;
}

.meta {
    color: var(--accent-color);
    font-size: 0.9rem;
    margin-bottom: 50px;
    display: block;
}

/* --- CODE & SYNTAX HIGHLIGHTING --- */
code {
    background: #222;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    color: #b3c7ff;
    font-size: 0.9em;
}

pre {
    background: #0a0a0a;
    padding: 24px;
    border-radius: 8px;
    border: 1px solid #222;
    overflow-x: auto;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

pre code {
    background: transparent;
    padding: 0;
    color: #d1d1d1;
    font-size: 0.9rem;
    line-height: 1.6;
}

.hl-comment { color: #6a9955; font-style: italic; }
.hl-keyword { color: #569cd6; }
.hl-key { color: #9cdcfe; }
.hl-string { color: #ce9178; }
.hl-func { color: #dcdcaa; }
.hl-builtin { color: #4ec9b0; }
.hl-num { color: #b5cea8; }

/* --- CALLOUT BOXES --- */
.callout {
    padding: 25px;
    margin: 30px 0;
    border-radius: 0 4px 4px 0;
    border-left: 4px solid var(--accent-color);
}

.callout.tip { background: rgba(41, 121, 255, 0.1); }
.callout.takeaway { background: rgba(41, 121, 255, 0.05); }

.callout > strong {
    color: var(--accent-color);
    display: block;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* --- BLOG & NUGGET SPECIFIC --- */
.blog-image-right {
    float: right;
    width: 35%;
    margin-left: 30px;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid #333;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.callout.takeaway ul {
    list-style: none;
    padding-left: 0 !important;
}

.callout.takeaway li {
    position: relative;
    padding-left: 20px;
}

.callout.takeaway li::before {
    content: "•";
    color: var(--accent-color);
    position: absolute;
    left: 0;
}

@media (max-width: 600px) {
    .blog-image-right {
        float: none;
        width: 100%;
        margin-left: 0;
    }
}