@import url('https://fonts.googleapis.com/css2?family=Oxanium:wght@300;400;500;600;700&display=swap');

:root {
    --bg-main: #020203;
    --bg-card: #0c0c0e;
    --bg-card-hover: #121214;
    --text-main: #ffffff;
    --text-muted: #a1a1aa; /* zinc-400 */
    --text-darker: #71717a; /* zinc-500 */
    --accent: #10b981; /* emerald-500 */
    --accent-glow: rgba(16, 185, 129, 0.4);
    --border-color: rgba(255, 255, 255, 0.05);
    --border-color-hover: rgba(255, 255, 255, 0.1);
    --font-family: 'Oxanium', system-ui, -apple-system, sans-serif;
}

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

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

/* Layout */
.layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Navigation */
.sidebar {
    width: 280px;
    background-color: rgba(12, 12, 14, 0.8);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    position: fixed;
    height: 100vh;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-header {
    padding: 2.5rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-logo {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 0 20px var(--accent-glow);
}

.sidebar-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-title {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(to bottom right, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.sidebar-nav {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    padding: 0.85rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
}

.nav-item.active {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--accent);
    font-weight: 600;
}

/* Mobile toggle button */
.mobile-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    padding: 4rem 5rem;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
}

.page-header {
    margin-bottom: 4rem;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    margin-bottom: 0.75rem;
    background: linear-gradient(to bottom right, #fff, #71717a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.25rem;
    max-width: 600px;
}

/* Typography */
h2 {
    font-size: 2rem;
    margin: 4rem 0 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: #fff;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

h3 {
    font-size: 1.4rem;
    margin: 2.5rem 0 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 1.05rem;
}

/* UI Components */
.button-desc {
    background: #0f0f11;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: #18181b;
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    width: fit-content;
}

.btn-pill.accent {
    background: var(--accent);
    color: #000;
    border: none;
    box-shadow: 0 0 15px var(--accent-glow);
}

.callout {
    background: linear-gradient(145deg, rgba(16, 185, 129, 0.05), rgba(0, 0, 0, 0));
    border: 1px solid rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--accent);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    margin: 2rem 0;
}

.callout strong {
    color: var(--text-main);
    display: block;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Steps */
.step-list {
    counter-reset: step;
    list-style: none;
}

.step-list > li {
    position: relative;
    padding-left: 4rem;
    margin-bottom: 2.5rem;
}

.step-list > li::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    left: 0;
    top: 0;
    width: 42px;
    height: 42px;
    background: #18181b;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--accent);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* Code Blocks */
pre {
    background: #000;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: 16px;
    overflow-x: auto;
    margin: 2rem 0;
    color: #e4e4e7;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    font-size: 0.95rem;
}

code {
    background: rgba(255,255,255,0.05);
    padding: 0.2rem 0.4rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9em;
}

/* Footer */
footer {
    margin-top: auto;
    padding-top: 4rem;
    padding-bottom: 3rem;
    color: var(--text-darker);
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-top {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
}

.footer-logo-img {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    object-fit: cover;
}

.footer-tagline {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

.footer-link {
    color: var(--accent);
    font-weight: 500;
    text-decoration: none;
    font-size: 0.95rem;
}

.footer-link:hover {
    text-decoration: underline;
}

.footer-divider {
    height: 1px;
    background: var(--border-color);
    width: 100%;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
}

.footer-copyright {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 800px;
}

.footer-copyright p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-darker);
}

.footer-disclaimer {
    font-size: 0.75rem !important;
    line-height: 1.4;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-darker);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--text-muted);
}

@media (max-width: 768px) {
    .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 1.5rem;
    }
}

/* Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

@media (max-width: 1024px) {
    .main-content {
        margin-left: 0;
        padding: 3rem 2rem;
    }
    .sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .mobile-toggle {
        display: block;
    }
}