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

:root {
    --type-base: 16px;
    --type-scale-ratio: 1.25;
    --text-color: #e0e0e0;
    --muted: #bfc3c6;
    --heading-weight: 600;
}

/* Layout + base colors */
body {
    width: 80%;
    max-width: 1200px;
    margin: 0 auto;
    min-height: 100vh;

    display: flex;
    flex-direction: column;

    /* Very dark page background */
    background-color: #0f1112;
    font-family: Inter, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header, main and footer are slightly lighter flat greys */
header {
    background: #17181a; /* header slightly lighter */
    color: #e6eef6;
    padding: 1.25rem 1.5rem;
    border-radius: 10px 10px 0 0;
    box-shadow: 0 2px 6px rgba(0,0,0,0.6);
    margin-bottom: 1.5rem;
}

header h2 {
    text-align: center;
    margin: 0;
    font-size: calc(var(--type-base) * 1.8);
    font-weight: var(--heading-weight);
    letter-spacing: -0.02em;
}

h1, h2, h3, h4 {
    color: #eef0f1;
    line-height: 1.2;
}

h1 { font-size: calc(var(--type-base) * 2.2); }
h2 { font-size: calc(var(--type-base) * 1.6); }
h3 { font-size: calc(var(--type-base) * 1.25); }
h4 {margin-bottom: .75rem;}

nav {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    list-style-type: none;
    flex-wrap: wrap;
    margin-top: 0.8rem;
}

nav li { list-style: none; }

/* Neutral grayscale accents */
nav a {
    color: #e6eef6;
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    transition: background-color 0.2s ease, color 0.12s ease;
    font-weight: 500;
}

nav a:hover { background-color: rgba(255,255,255,0.04); }

main {
    flex-grow: 1;
    background: #1b1c1e; /* main slightly lighter than header */
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.6);
    margin: 0 1rem;
    border: 1px solid rgba(255,255,255,0.02);
}

main p {
    font-size: var(--type-base);
    line-height: 1.8;
    text-align: left;
    color: #d9dfe4;
    margin-bottom: 1rem;
}

/* Neutral muted gray accents (no color hues) */
main a {
    color: #bfc3c6; /* neutral gray */
    text-decoration: underline;
    font-weight: 500;
    transition: color 0.12s ease;
}

main a:hover {
    color: #eef0f1;
}

ul { margin-left: 20px; margin-bottom: 20px; }

#project-list {list-style: none;}

article {
    padding-left: 2%;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
    border-left: 1px solid rgba(255,255,255,0.03);
    font-size: var(--type-base);
    color: #d7dde3;
}

#home-main article {
    border-left: none;
}

p small { color: rgba(230,238,246,0.6); }

footer {
    background-color: #161617; /* footer slightly lighter */
    color: #aab0b6;
    padding: 1rem 1.25rem;
    border-radius: 0 0 10px 10px;
    margin-top: 1.5rem;
    text-align: center;
}

footer p { font-size: 0.9rem; }

footer a { color: #aab0b6; text-decoration: none; }
footer a:hover { color: #eef0f1; }

/* Responsive design */
@media (max-width: 768px) {
    body { width: 95%; }
    header h2 { font-size: 1.4rem; }
    nav { gap: 1rem; }
    nav a { padding: 0.35rem 0.6rem; font-size: 0.95rem; }
    main { padding: 1.5rem; margin: 0 0.5rem; }
}

@media (max-width: 480px) {
    nav { flex-direction: column; align-items: center; gap: 0.5rem; }
}

/* Utility classes:
.lead — larger, slightly brighter paragraph style for prominent intros.
.caption — smaller, muted text for image captions or meta info.
code (inline) — monospaced styling with subtle background and padding.
pre.code-block — block code styling with padding, rounded corners, and overflow handling. */
.lead {
    font-size: calc(var(--type-base) * 1.125);
    color: #eef0f1;
    margin-bottom: 1rem;
    opacity: 0.95;
}

.caption {
    font-size: 0.85rem;
    color: rgba(234,239,243,0.6);
    margin-top: 0.25rem;
}

code, pre.code-block {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, 'Roboto Mono', 'Courier New', monospace;
    background: rgba(255,255,255,0.03);
    color: #e6eef6;
}

code {
    padding: 0.1rem 0.25rem;
    border-radius: 4px;
    font-size: 0.95rem;
}

pre.code-block {
    padding: 1rem;
    border-radius: 8px;
    overflow: auto;
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 1rem 0;
}