:root {
    --primary:        rgb(56, 89, 238);     /* main brand color */
    --selection:      rgb(95, 100, 244);
    --selection-solid: rgba(41, 38, 60, 0.799);
    --positive:       rgb(0 ,191, 124);    /* secondary / success */
    --neutral:        rgb(255, 192, 75);   /* tertiary */
    --quaternary:     rgb(147, 60, 240);
    --quinary:        rgb(35, 211, 220);
    --negative:       rgb(236, 48, 96);   /* errors / warnings */
    --fg:             rgb(237, 236, 238);   /* main text */
    --comment:        rgb(93, 96, 159);   /* secondary text */
    --bg:             rgb(21, 20, 27);      /* main background */

    --bg-light:       rgba(39, 37, 50, 0.258); /* subtle overlay / card bg */
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg);
    color: var(--fg);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--positive);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: var(--quinary);
}

/* ────────────────────────────────────────────────
   Modern responsive navigation
   ──────────────────────────────────────────────── */

nav {
    background-color: var(--selection-solid);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    flex-wrap: wrap;
    height: 64px;
}

.site-title {
    color: var(--fg);
    font-weight: 600;
    font-size: 1.45rem;
    text-decoration: none;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 26px;
    height: 3px;
    background: var(--fg);
    border-radius: 2px;
    transition: all 0.25s;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    justify-content: center;
    gap: 1.25rem;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--fg);
    font-weight: 500;
    padding: 0.75rem 1.1rem;
    border-radius: 6px;
    transition: all 0.18s;
    display: block;
}

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

/* Dropdown */
.dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background-color: var(--selection-solid);
    border: 1px solid rgba(92,95,238,0.18);
    border-radius: 6px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.35);
    overflow: hidden;
    z-index: 10;
}

.dropdown-content a {
    padding: 0.75rem 1.25rem;
    font-size: 0.95rem;
    display: block;
}

.dropdown:hover .dropdown-content {
    display: block;
}

/* Mobile – hamburger + vertical menu */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--selection-solid);
        padding: 1rem 0;
        box-shadow: 0 6px 14px rgba(0,0,0,0.5);
    }

    .nav-menu.active {
        display: flex;
    }

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

    .nav-menu a {
        border-radius: 0;
        padding: 1rem 1.5rem;
    }

    /* Dropdowns on mobile – just indented under parent */
    .dropdown-content {
        position: static;
        border: none;
        box-shadow: none;
        background: transparent;
        padding-left: 1.5rem;
    }

    .dropdown:hover .dropdown-content,
    .dropdown .dropdown-content {
        display: block;
    }
}

/* ────────────────────────────────────────────────
   Rest of your original styles (unchanged)
   ──────────────────────────────────────────────── */

main {
    max-width: 900px;
    margin: 2.5rem auto;
    padding: 0 1.5rem;
}

h1 {
    color: var(--primary);
    margin-top: 1rem;
    font-size: 2.8rem;
    text-align: center;
    margin: 2rem 0 3rem;
}

h2 {
    color: var(--negative);
    margin-top: 1rem;
    text-align: center;
}

h3 {
    color: var(--positive);
    margin-top: 1rem;
    text-align: center;
}

p {
  margin-bottom: 1rem;
}   

section {
    margin-top: 3rem;
}

.content {
    background-color: var(--bg-light);
    padding: 1.8rem 2.2rem;
    border-radius: 10px;
    border: 1px solid rgba(109,109,109,0.25);
}

ul, ol {
    padding-left: 1.8rem;
    margin: 1rem 0;
}

code, pre {
    background: rgba(0,0,0,0.3);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    font-family: "Consolas", "Courier New", monospace;
}

pre {
    padding: 1rem;
    overflow-x: auto;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--comment);
    font-size: 0.9rem;
    margin-top: 4rem;
}

/* Improve readability of markdown-like content */
.content h3 {
    color: var(--neutral);
    margin: 0.5rem 0 0.8rem;
}

.content strong {
    color: var(--negative);
}

.content blockquote {
    border-left: 4px solid var(--positive);
    padding-left: 1.2rem;
    margin: 1.5rem 0;
    color: var(--comment);
}