:root {
    color-scheme: dark;
    --body-bg: #111217;
    --body-color: #fafafa;
    --text-secondary: #bbbbbb;
    --link-color: #ff8763;
    --link-hover: #ffbba2;
    --border-color: rgba(204, 204, 220, 0.12);
    --section-bg: #181b1f;
    --box-shadow: rgba(0, 0, 0, 0.18);
    --selection-bg: #734ceab3;
    --selection-color: #ffffff;
    --dot-color: rgba(255, 255, 255, 0.04);
}

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

::selection {
    background-color: var(--selection-bg);
    color: var(--selection-color);
}

body {
    max-width: 75rem;
    margin: 0 auto;
    padding: 2rem clamp(1rem, 5vw, 3rem);
    line-height: 1.6;
    font-size: 1rem;
    font-family: Arial, sans-serif;
    background: radial-gradient(circle at 1px 1px, var(--dot-color) 1px, transparent 1.01px), var(--body-bg);
    background-size: 24px 24px, auto;
    background-repeat: repeat, no-repeat;
    background-attachment: fixed, fixed;
    color: var(--body-color);
}

.main-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    margin: 0 0 2rem;
    padding: 1rem;
    background-color: var(--section-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    display: flex;
    gap: 0.75rem;
    overflow: hidden;
    transition: border-radius 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, backdrop-filter 0.2s ease, margin 0.2s ease, padding 0.2s ease;
}

.main-nav.stuck {
    border-radius: 0 0 0.5rem 0.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
    background-color: rgba(24, 27, 31, 0.85);
    backdrop-filter: blur(15px);
    margin-left: calc(0px - clamp(1rem, 5vw, 3rem));
    margin-right: calc(0px - clamp(1rem, 5vw, 3rem));
    padding-left: clamp(1rem, 5vw, 3rem);
    padding-right: clamp(1rem, 5vw, 3rem);
}

.main-nav a {
    text-decoration: none;
    padding: 0.5rem 1rem;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(204, 204, 220, 0.15);
    border-radius: 0.5rem;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    font-size: 0.95rem;
    flex-shrink: 0;
}

@media (max-width: 768px) {
    .main-nav {
        padding: 0.75rem;
        gap: 0.5rem;
        overflow-x: auto;
        scrollbar-width: thin;
    }
    
    .main-nav::-webkit-scrollbar {
        height: 6px;
    }
    
    .main-nav::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.05);
        border-radius: 3px;
    }
    
    .main-nav::-webkit-scrollbar-thumb {
        background: rgba(255, 135, 99, 0.3);
        border-radius: 3px;
    }
    
    .main-nav::-webkit-scrollbar-thumb:hover {
        background: rgba(255, 135, 99, 0.5);
    }
    
    .main-nav a {
        padding: 0.4rem 0.75rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .main-nav {
        padding: 0.5rem;
        gap: 0.3rem;
    }
    
    .main-nav a {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
}

.main-nav a:hover {
    background-color: rgba(255, 135, 99, 0.15);
    border-color: var(--link-color);
}

.main-nav a.active {
    background-color: rgba(255, 135, 99, 0.2);
    border-color: var(--link-color);
    color: var(--link-hover);
}

header {
    margin-bottom: 1rem;
    padding-bottom: 1rem;
}

h1 {
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

section {
    margin-bottom: 2.5rem;
    padding: 1.5rem;
    background-color: var(--section-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0px 2px 10px var(--box-shadow);
}

section > h2 {
    margin-bottom: 0.8rem;
    font-size: 1.5rem;
    padding-bottom: 0.25rem;
}

section > h3 {
    margin-top: 1.25rem;
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
}

nav p {
    margin-bottom: 0.5rem;
}

nav a {
    margin-right: 0.5rem;
}

dl {
    margin-left: 0;
}

dt {
    margin-top: 1rem;
    margin-bottom: 0.5rem;
}

dt small {
    color: var(--text-secondary);
    font-weight: normal;
}

dt:first-child {
    margin-top: 0;
}

dd {
    margin-left: 0;
    margin-bottom: 0.5rem;
}

dd ul {
    list-style: disc;
    margin: 0;
    padding: 0;
    margin-left: 2rem;
}

dd .project-preview {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1rem;
    display: block;
    cursor: pointer;
    transition: opacity 0.2s;
}

dd a:has(.project-preview) {
    display: inline-block;
    max-width: 500px;
    width: 100%;
}

dd .project-preview:hover {
    opacity: 0.8;
}

.lightbox {
    display: none;
    position: fixed;
    z-index: 1000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.85);
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.lightbox:target {
    display: flex;
}

.lightbox img {
    max-width: 100%;
    max-height: 90vh;
    border-radius: 0.5rem;
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 2rem;
    color: var(--body-color);
    text-decoration: none;
    line-height: 1;
    padding: 0.5rem 1rem;
    background-color: var(--section-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    transition: background-color 0.2s, border-color 0.2s;
}

.lightbox-close:hover {
    background-color: rgba(255, 135, 99, 0.15);
    border-color: var(--link-color);
}

article {
    margin-bottom: 1.5rem;
}

article h3 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

article ul {
    list-style: disc;
    margin-left: 1.5rem;
}

article ul li {
    margin-bottom: 0.25rem;
}

p {
    margin-bottom: 0.5rem;
}

hr {
    margin: 2rem 0;
    border: none;
    border-top: 1px solid var(--border-color);
}

footer {
    margin-top: 2.5rem;
    padding-top: 1.5rem;
}

footer p {
    margin-bottom: 0;
}

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

a:hover {
    color: var(--link-hover);
}