/* RESET */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", sans-serif;
}

body {
    background: #f5f7fb;
    color: #1f2937;
    line-height: 1.6;
}

/* NAVBAR */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 60px;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .logo {
    font-weight: 600;
    font-size: 20px;
}

.header nav a {
    margin-left: 25px;
    text-decoration: none;
    color: #4b5563;
    font-size: 14px;
    transition: 0.3s;
}

.header nav a:hover {
    color: #2563eb;
}

/* HERO */
.hero {
    padding: 70px 80px 40px;
    max-width: 900px;
    margin: auto;
}

.hero h1 {
    font-size: 40px;
    margin-bottom: 10px;
}

.subtitle {
    color: #2563eb;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero p {
    margin-bottom: 15px;
    color: #374151;
}

/* MAIN LAYOUT */
.layout {
    display: grid;
    grid-template-columns: 240px 1fr 260px;
    gap: 30px;
    padding: 30px 60px;
}

/* LEFT PANEL */
.left-panel {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.panel-card {
    background: white;
    padding: 16px;
    border-radius: 10px;
    margin-bottom: 15px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.panel-card h4 {
    font-size: 14px;
    margin-bottom: 8px;
    color: #111827;
}

.panel-card p {
    font-size: 13px;
    color: #6b7280;
}

/* CODE BOX */
.code-box pre {
    font-size: 12px;
    background: #f3f4f6;
    padding: 10px;
    border-radius: 6px;
}

/* STATS */
.stat-box p {
    font-size: 13px;
}

/* MAIN CONTENT */
.content {
    max-width: 800px;
}

/* SECTION IMAGE */
.section-img {
    width: 100%;
    border-radius: 12px;
    margin: 25px 0;
}

/* BLOG SECTION */
.blog-section {
    margin-bottom: 50px;
}

.blog-section h2 {
    font-size: 26px;
    margin-bottom: 15px;
}

.blog-section p {
    margin-bottom: 15px;
    color: #374151;
}

/* CARDS */
.card-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 20px 0;
}

.card {
    background: white;
    padding: 18px;
    border-radius: 12px;
    transition: 0.3s;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.card:hover {
    transform: translateY(-5px);
}

.card h4 {
    margin-bottom: 8px;
    font-size: 16px;
}

.card p {
    font-size: 13px;
    color: #6b7280;
}

/* STEPS */
.steps {
    display: flex;
    gap: 15px;
    margin: 20px 0;
}

.step {
    background: #2563eb;
    color: white;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 13px;
}

/* SIDEBAR */
.sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.widget {
    background: white;
    padding: 18px;
    border-radius: 10px;
    margin-bottom: 20px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.widget h4 {
    margin-bottom: 10px;
}

.widget p {
    font-size: 13px;
    color: #6b7280;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    background: white;
    font-size: 13px;
    color: #6b7280;
}

/* RESPONSIVE */
@media (max-width: 1000px) {
    .layout {
        grid-template-columns: 1fr;
    }

    .left-panel,
    .sidebar {
        position: static;
    }

    .card-container {
        grid-template-columns: 1fr;
    }
}