/* Global Variables & Colors */
:root {
    --primary: #0070f3;
    --primary-hover: #0051b3;
    --bg-dark: #0d1117;
    --bg-card: #161b22;
    --text-main: #c9d1d9;
    --text-bright: #f0f6fc;
    --text-muted: #8b949e;
    --border: #21262d;
    --transition: all 0.3s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: rgba(22, 27, 34, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-bright);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

nav ul {
    display: flex;
    list-style: none;
    gap: 24px;
}

nav a {
    color: var(--text-main);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: var(--transition);
}

nav a:hover, nav a.active {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 100px 0 80px;
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.hero h1 {
    font-size: 48px;
    color: var(--text-bright);
    margin-bottom: 20px;
    font-weight: 800;
}

.hero p {
    font-size: 18px;
    color: var(--text-muted);
    max-width: 800px;
    margin: 0 auto 30px;
}

.btn {
    display: inline-block;
    background-color: var(--primary);
    color: var(--text-bright);
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Grid & Cards */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    padding: 60px 0;
}

.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 30px;
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.card h3 {
    color: var(--text-bright);
    margin-bottom: 15px;
    font-size: 20px;
}

.card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* Blog Content */
.blog-content {
    max-width: 800px;
    margin: 60px auto;
    padding: 0 20px;
}

.blog-content h1 {
    color: var(--text-bright);
    margin-bottom: 20px;
}

.blog-meta {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 40px;
}

.blog-body p {
    margin-bottom: 20px;
    font-size: 16px;
    color: var(--text-main);
}

/* Contact Form */
.contact-form {
    max-width: 600px;
    margin: 60px auto;
    background-color: var(--bg-card);
    border: 1px solid var(--border);
    padding: 40px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--text-bright);
    margin-bottom: 8px;
}

.form-group input, .form-group textarea {
    width: 100%;
    background-color: var(--bg-dark);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 12px;
    color: var(--text-bright);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--primary);
    outline: none;
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 40px 0;
    background-color: #0d1117;
    margin-top: 80px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-col h4 {
    color: var(--text-bright);
    margin-bottom: 15px;
}

.footer-col ul {
    list-style: none;
}

.footer-col a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary);
}

.copyright {
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 40px;
    border-top: 1px solid var(--border);
    padding-top: 20px;
}