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

:root {
    --primary-color: #0366d6;
    --primary-hover: #0256c2;
    --bg-color: #ffffff;
    --text-color: #24292e;
    --border-color: #e1e4e8;
    --code-bg: #f6f8fa;
    --nav-bg: #ffffff;
    --nav-shadow: rgba(0, 0, 0, 0.1);
    --section-bg: #fafbfc;
    --link-color: #0366d6;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    padding-top: 80px; /* Account for sticky nav */
}

/* Sticky Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--nav-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 4px var(--nav-shadow);
    z-index: 1000;
    padding: 5px 20px;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    padding: 0;
    margin-right: 20px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 10px;
    align-items: center;
    padding: 0;
}

.nav-menu li {
    display: flex;
    align-items: center;
    padding: 10px 12px;
}

.nav-menu a {
    display: flex;
    align-items: center;
    padding: 15px 12px;
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}

.nav-menu a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.nav-menu a.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    color: var(--text-color);
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-color);
    cursor: pointer;
    font-size: 20px;
    padding: 4px 10px;
    margin-left: 10px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle:hover {
    background-color: var(--section-bg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.theme-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.theme-toggle .icon {
    display: inline-block;
    transition: transform 0.3s;
}

.theme-toggle .icon.hidden {
    display: none;
}

/* Hero Section */
.hero {
    color: var(--text-color);
    padding: 60px 20px 0 20px;
    text-align: center;
}

.hero h1 {
    font-size: 2.5em;
    margin-bottom: 20px;
    font-weight: 600;
    color: var(--text-color);
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 30px;
    opacity: 0.95;
    color: var(--text-color);
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
}

.hero-banner {
    max-width: 100%;
    height: auto;
    margin-top: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Sections */
section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px 0 20px;
    scroll-margin-top: 100px; /* Account for sticky nav */
}

section:last-child {
    padding-bottom: 40px;
}

section h2 {
    font-size: 2em;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--border-color);
    color: var(--text-color);
}

section h3 {
    font-size: 1.5em;
    margin-top: 30px;
    margin-bottom: 15px;
    color: var(--text-color);
}

section h4 {
    font-size: 1.2em;
    margin-top: 20px;
    margin-bottom: 10px;
    color: var(--text-color);
}

section h4:first-child {
    margin-top: 0;
}

/* Cards */
.card {
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card h3 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Lists */
ul, ol {
    list-style-position: inside;
}

ul ul, ol ul, ul ol {
    padding-left: 20px;
}

li p {
    padding-left: 20px;
    margin-top: 15px;
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Paragraphs */
p {
    margin-bottom: 15px;
}

#architecture p {
    margin-top: 15px;
}

p:last-child {
    margin-bottom: 0;
}

.deployment-card p:last-child {
    margin-top: 15px;
}

/* Code blocks */
code {
    background-color: var(--code-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9em;
    color: #d73a49;
    border: 1px solid var(--border-color);
    font-weight: 500;
}

pre {
    background-color: var(--code-bg);
    padding: 16px;
    border-radius: 6px;
    overflow-x: auto;
    margin-bottom: 15px;
    border: 1px solid var(--border-color);
}

pre code {
    background: none;
    padding: 0;
    border: none;
    color: var(--text-color);
    font-weight: normal;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

table th, table td {
    padding: 12px;
    text-align: left;
    border: 1px solid var(--border-color);
}

table th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
}

table tbody tr:nth-child(even) {
    background-color: var(--section-bg);
}

/* Deployment Options */
.deployment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.deployment-card {
    background: var(--section-bg);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
}

.deployment-card h4 {
    margin-top: 0;
    color: var(--primary-color);
}

/* Documentation Grid */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.doc-item {
    background: var(--section-bg);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 15px;
    transition: transform 0.2s, box-shadow 0.2s;
}

.doc-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.doc-item a {
    font-weight: 500;
    display: block;
    margin-bottom: 8px;
}

.doc-item p {
    font-size: 0.9em;
    color: #586069;
    margin: 0;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 8px;
    background-color: var(--primary-color);
    color: white;
    border-radius: 3px;
    font-size: 0.8em;
    font-weight: 600;
    margin-left: 8px;
}

/* Footer */
footer {
    background-color: var(--section-bg);
    border-top: 1px solid var(--border-color);
    padding: 30px 20px;
    text-align: center;
    color: #586069;
}

/* Responsive */
@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 60px;
        flex-direction: column;
        background-color: var(--nav-bg);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 20px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        padding: 15px;
        border-bottom: none;
        border-left: 3px solid transparent;
    }

    .nav-menu a:hover,
    .nav-menu a.active {
        border-left-color: var(--primary-color);
        border-bottom-color: transparent;
    }

    .theme-toggle {
        margin-left: 0;
        margin-top: 10px;
    }

    .hero h1 {
        font-size: 2em;
    }

    .hero p {
        font-size: 1em;
    }

    .deployment-options {
        grid-template-columns: 1fr;
    }

    .doc-grid {
        grid-template-columns: 1fr;
    }

    section h2 {
        font-size: 1.5em;
    }
}

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(3, 102, 214, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 2px solid rgba(3, 102, 214, 0.3);
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.scroll-to-top:hover {
    background-color: rgba(3, 102, 214, 0.25);
    border-color: rgba(3, 102, 214, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.scroll-to-top:active {
    transform: translateY(-1px);
}

.scroll-to-top svg {
    width: 24px;
    height: 24px;
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    .scroll-to-top svg {
        width: 20px;
        height: 20px;
    }
}