:root {
    --bg: #0d1117;
    --bg-alt: #161b22;
    --bg-card: #0f141a;
    --fg: #c9d1d9;
    --fg-dim: #8b949e;
    --accent: #e5c07b;
    --accent-dim: #b08458;
    --link: #79c0ff;
    --green: #7ee787;
    --border: #30363d;
    --comment: #6a737d;
    --max-width: 880px;
    --mono: ui-monospace, 'SF Mono', Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--mono);
    font-size: 15px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: var(--link);
    text-decoration: none;
    border-bottom: 1px dotted transparent;
    transition: color .12s, border-color .12s;
}
a:hover { border-bottom-color: var(--link); }

p { margin: 0 0 12px; }

/* ---------- nav (sticky terminal command bar) ---------- */
nav#nav {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(13, 17, 23, 0.92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border);
    padding: 12px 24px;
}
nav#nav ul.container {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: var(--max-width);
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
}
nav#nav li a {
    color: var(--fg-dim);
    font-size: 14px;
    border-bottom-color: transparent;
}
nav#nav li a::before {
    content: '$ ';
    color: var(--green);
}
nav#nav li a:hover { color: var(--accent); }

/* ---------- section wrappers ---------- */
.wrapper {
    padding: 56px 24px;
    border-bottom: 1px dashed var(--border);
}
.wrapper-first { padding-top: 72px; }
.wrapper-style4 { background: var(--bg-alt); }

.container {
    max-width: var(--max-width);
    margin: 0 auto;
}
.container.small { max-width: 720px; }

/* ---------- skel grid emulation (4u / 8u / 12u) ---------- */
.row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
    align-items: start;
}
.row > .\34 u { grid-column: span 4; }
.row > .\38 u { grid-column: span 8; }
.row > .\31 2u { grid-column: span 12; }

@media (max-width: 720px) {
    .row > .\34 u,
    .row > .\38 u { grid-column: span 12; }
    nav#nav ul.container { gap: 14px; }
    .wrapper { padding: 40px 18px; }
}

/* ---------- headings ---------- */
header h1, header h2, header h3 {
    font-family: var(--mono);
    font-weight: 600;
    margin: 0 0 18px;
    letter-spacing: -0.01em;
}
header h1 { font-size: 30px; color: var(--fg); }
header h2 {
    font-size: 22px;
    color: var(--accent);
}
header h2::before {
    content: '// ';
    color: var(--comment);
}

/* ---------- hero ---------- */
#top h1 strong { color: var(--accent); }
#top h1::before {
    content: '> ';
    color: var(--green);
}
#top p { color: var(--fg); max-width: 60ch; }

.me {
    display: block;
    width: 100%;
}
.me img,
#profile_image {
    display: block;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    filter:
        grayscale(0.35)
        contrast(1.05)
        brightness(0.92)
        drop-shadow(0 0 0.5px rgba(255, 255, 255, 0.6))
        drop-shadow(0 0 3px rgba(255, 255, 255, 0.12));
    -webkit-mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 55%, transparent 100%);
}

/* ---------- buttons ---------- */
.button {
    display: inline-block;
    margin-top: 14px;
    padding: 8px 16px;
    border: 1px solid var(--accent);
    color: var(--accent);
    background: transparent;
    font-family: var(--mono);
    font-size: 14px;
    cursor: pointer;
    border-radius: 4px;
}
.button::before {
    content: '$ ';
    color: var(--green);
}
.button:hover {
    background: var(--accent);
    color: var(--bg);
    border-bottom-color: var(--accent);
}
.button-small { font-size: 13px; padding: 6px 12px; }

/* ---------- project cards (styled like code blocks) ---------- */
article.box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 16px;
    height: 100%;
    transition: border-color .15s, transform .15s;
    position: relative;
}
article.box::before {
    content: '';
    position: absolute;
    top: 8px; left: 12px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #ff5f57;
    box-shadow: 14px 0 0 #febc2e, 28px 0 0 #28c840;
    opacity: 0.55;
}
article.box .image {
    display: block;
    margin-top: 18px;
    border-bottom: 0;
}
article.box .image img {
    width: 100%;
    height: 140px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border);
    margin-bottom: 14px;
    filter: grayscale(0.4) contrast(1.05);
}
article.box:hover {
    border-color: var(--accent-dim);
    transform: translateY(-2px);
}
article.box h3 {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
}
article.box h3 a {
    color: var(--accent);
    border-bottom-color: transparent;
}
article.box h3 a::before {
    content: '> ';
    color: var(--green);
}
article.box h3 a:hover { border-bottom-color: var(--accent); }
article.box p {
    margin: 0;
    color: var(--fg-dim);
    font-size: 13px;
    line-height: 1.55;
}

/* ---------- contact / social ---------- */
#contact h3 {
    color: var(--accent);
    font-size: 18px;
    margin: 0 0 12px;
}
#contact h3::before {
    content: '// ';
    color: var(--comment);
}

ul.social {
    list-style: none;
    padding: 0;
    margin: 8px 0 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}
ul.social li a {
    color: var(--link);
    font-size: 14px;
    border-bottom-color: transparent;
}
/* hide unused FontAwesome glyph attempts; reveal the text label instead */
ul.social li a::before { content: ''; }
ul.social li a span { font-size: 14px; }
ul.social li a span::before { content: '['; color: var(--fg-dim); }
ul.social li a span::after  { content: ']'; color: var(--fg-dim); }
ul.social li a:hover { color: var(--accent); }
ul.social li a:hover span::before,
ul.social li a:hover span::after { color: var(--accent); }

/* ---------- footer ---------- */
footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
    color: var(--fg-dim);
    font-size: 13px;
}
footer ul {
    list-style: none;
    padding: 0;
    margin: 0 0 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}
footer hr { display: none; }
footer #copyright li::before {
    content: '# ';
    color: var(--comment);
}

/* ---------- caret blink on hero ---------- */
#top h1::after {
    content: '_';
    color: var(--accent);
    margin-left: 4px;
    animation: blink 1.1s steps(1) infinite;
}
@keyframes blink {
    50% { opacity: 0; }
}

/* ---------- experience ---------- */
.wrapper-style2 { background: var(--bg); }

article.exp {
    margin: 24px 0;
    padding: 18px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 6px;
    transition: border-color .15s;
}
article.exp:hover { border-color: var(--accent-dim); }

article.exp .exp-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    margin: 0 0 6px;
    border: 0;
    padding: 0;
}
.exp-company {
    color: var(--accent);
    font-weight: 600;
    font-size: 16px;
}
.exp-company::before {
    content: '> ';
    color: var(--green);
}
.exp-dates {
    color: var(--fg-dim);
    font-size: 13px;
}
.exp-role {
    margin: 0 0 10px;
    color: var(--fg);
    font-size: 14px;
}
article.exp ul {
    margin: 0;
    padding: 0;
    list-style: none;
}
article.exp ul li {
    color: var(--fg-dim);
    font-size: 13.5px;
    line-height: 1.6;
    padding: 4px 0 4px 18px;
    position: relative;
}
article.exp ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--green);
}

/* ---------- skills (key/value list) ---------- */
dl.skills {
    margin: 8px 0 0;
    display: grid;
    grid-template-columns: max-content 1fr;
    column-gap: 24px;
    row-gap: 10px;
    align-items: baseline;
}
dl.skills dt {
    color: var(--accent);
    font-size: 13.5px;
    font-weight: 600;
}
dl.skills dt::before {
    content: '$ ';
    color: var(--green);
}
dl.skills dd {
    margin: 0;
    color: var(--fg);
    font-size: 14px;
}

@media (max-width: 540px) {
    dl.skills {
        grid-template-columns: 1fr;
        row-gap: 4px;
    }
    dl.skills dd { margin-bottom: 8px; }
}

/* ---------- open source / writing list ---------- */
ul.kv-list {
    list-style: none;
    margin: 8px 0 0;
    padding: 0;
}
ul.kv-list li {
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    color: var(--fg-dim);
    font-size: 14px;
    line-height: 1.6;
}
ul.kv-list li:last-child { border-bottom: 0; }
.kv-key {
    display: inline-block;
    margin-right: 12px;
    padding: 2px 8px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.02em;
}