:root {
    --background: #121212;
    --surface: #1f1f1f;
    --navbar: #1a1a1a;

    --text: #ffffff;
    --text-secondary: #b0b0b0;

    --accent: #4CAF50;
    --accent-hover: #66bb6a;

    --radius: 10px;
    --transition: 0.2s ease;
}

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

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background-color: var(--navbar);

    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;

    padding: 12px 30px;
    z-index: 1000;
    box-sizing: border-box;
}

.navbar-left {
    display: flex;
    align-items: center;
}

.nav-logo {
    height: 40px;
}

.navbar-center {
    display: flex;
    justify-content: center;
    gap: 40px;
}

.navbar-center a {
    color: white;
    text-decoration: none;
    font-size: 18px;
    font-weight: bold;
    transition: color var(--transition);
}

.navbar-center a:hover {
    color: var(--accent);
}

.navbar-right {
    display: flex;
    justify-content: flex-end;
}

.content {
    margin-top: 80px;
    padding: 30px;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

h1 {
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
}

/* CARDS */
.doc-card {
    background-color: var(--surface);
    padding: 20px;
    margin-top: 20px;
    border-radius: var(--radius);
}

.doc-card h2 {
    margin-top: 0;
}

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

.doc-card a:hover {
    text-decoration: underline;
}

.hero {
    text-align: center;
    padding: 100px 20px;
}

.hero-logo {
    width: 180px;
    height: auto;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

.download-button {
    display: inline-block;
    margin-top: 25px;
    padding: 14px 32px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: bold;
    transition: var(--transition);
}

.download-button:hover {
    background: var(--accent-hover);
}

.features {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.feature-card {
    background: var(--surface);
    padding: 25px;
    border-radius: var(--radius);
    width: 250px;
}

.feature-card h3 {
    margin-top: 0;
}

input, textarea, select {
    background-color: var(--surface);
    color: var(--text);
    border: 1px solid #333;
    border-radius: 8px;
    padding: 10px;
    outline: none;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--accent);
}

.doc-layout {
    display: flex;
    align-items: flex-start;
}

.doc-sidebar {
    position: sticky;
    top: 80px;
    width: 220px;
    padding: 20px;
    height: fit-content;
}

.folder {
    margin-bottom: 20px;
}

.folder p {
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--accent);
}

.folder a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin: 5px 0;
    font-size: 14px;
}

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

.doc-content {
    flex: 1;
    padding: 20px;
}

.doc-section {
    margin-left: 50px;
}

.doc-section-title {
    font-size: 22px;
    margin-bottom: 15px;
    padding-left: 10px;
    border-left: 4px solid var(--accent);
    color: var(--text);
}