:root {
    /* Backgrounds */
    --bg-color: #111827;
    --surface-color: #1F2937;
    --surface-color-light: #273449;

    /* Typography */
    --text-color: #F9FAFB;
    --text-secondary: #D1D5DB;
    --text-muted: #9CA3AF;

    /* Accent */
    --accent-color: #D4A373;
    --accent-hover: #E6B98D;

    /* Borders */
    --border-color: #374151;

    /* Shadows */
    --shadow: 0 4px 12px rgba(0,0,0,0.2);

    /* Layout */
    --content-width: 1100px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--bg-color);
    color: var(--text-color);
    font-family:
        "Segoe UI",
        system-ui,
        sans-serif;
    line-height: 1.6;
}

/* ======================
   Typography
====================== */

h1,
h2,
h3,
h4 {
    color: var(--text-color);
    margin-top: 0;
}

p {
    color: var(--text-secondary);
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

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

/* ======================
   Header
====================== */

header {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 3rem 1rem 1rem;
}

header h1 {
    color: var(--accent-color);
    font-size: 2.5rem;
    margin-bottom: 0.25rem;
}

header p {
    margin: 0;
    color: var(--text-muted);
}

/* ======================
   Navigation
====================== */

nav {
    max-width: var(--content-width);
    margin: 0 auto 2rem auto;
    padding: 0 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0;
    margin: 0;
}

nav a {
    display: block;
    padding: 0.75rem 1.25rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-color);
    transition: all 0.2s ease;
}

nav a:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
}

/* ======================
   Main Layout
====================== */

#content {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 0 1rem 2rem;
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

/* ======================
   Sidebar
====================== */

#sidebar {
    flex: 0 0 260px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

#avatar {
    text-align: center;
    margin-bottom: 1rem;
}

#avatar img {
    width: 160px;
    max-width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

#bio {
    margin-top: 1rem;
}

#bio p {
    font-size: 0.95rem;
}

/* ======================
   Main Content
====================== */

main {
    flex: 1;
    min-width: 0;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.prose {
    padding: 2rem;
}

.prose h2 {
    color: var(--accent-color);
    margin-top: 0;
}

.prose img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* ======================
   Lists
====================== */

ul,
ol {
    color: var(--text-secondary);
}

li {
    margin-bottom: 0.5rem;
}

/* ======================
   Project Cards
====================== */

.project-card {
    background: var(--surface-color-light);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
}

.project-card h3 {
    margin-bottom: 0.5rem;
}

.project-card p {
    margin-bottom: 0;
}

/* ======================
   Images
====================== */

.img-right {
    float: right;
    margin-left: 1rem;
    margin-bottom: 1rem;
    max-width: 40%;
}

/* ======================
   Footer
====================== */

footer {
    max-width: var(--content-width);
    margin: 2rem auto;
    padding: 1rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ======================
   Scrollbar
====================== */

* {
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--bg-color);
}

/* ======================
   Mobile
====================== */

@media (max-width: 900px) {

    #content {
        flex-direction: column;
    }

    #sidebar {
        width: 100%;
        flex: none;
    }

    .img-right {
        float: none;
        display: block;
        margin: 1rem auto;
        max-width: 100%;
    }

    header h1 {
        font-size: 2rem;
    }

    nav ul {
        justify-content: center;
    }
}