:root {
    --ink: #1e242c;
    --muted: #5f6a78;
    --accent: #1a56db;
    --bg: #fafbfd;
    --card-bg: #ffffff;
    --border: #e3e6eb;
    --star: rgba(37, 64, 143, 0.16);
    --star-bright: rgba(37, 64, 143, 0.26);
    --nebula: rgba(26, 86, 219, 0.05);
    --milkyway: rgba(37, 64, 143, 0.05);
    --milkyway-core: rgba(37, 64, 143, 0.08);
    --dust: rgba(37, 64, 143, 0.14);
    --dust-bright: rgba(37, 64, 143, 0.22);
    color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
    :root {
        --ink: #e6eaf0;
        --muted: #9aa5b3;
        --accent: #8ab4ff;
        --bg: #12161f;
        --card-bg: #1a202b;
        --border: #2b323c;
        --star: rgba(226, 234, 255, 0.20);
        --star-bright: rgba(240, 246, 255, 0.42);
        --nebula: rgba(99, 140, 255, 0.09);
        --milkyway: rgba(190, 212, 255, 0.06);
        --milkyway-core: rgba(224, 238, 255, 0.10);
        --dust: rgba(226, 234, 255, 0.18);
        --dust-bright: rgba(240, 246, 255, 0.34);
    }
}

* {
    box-sizing: border-box;
}

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

/* --- Starry sky -----------------------------------------------------------
   Dots seeded with radial-gradients: coprime tile sizes avoid any visible
   alignment. No image, no script. */

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
    background-image:
        radial-gradient(60rem 40rem at 85% -15%, var(--nebula), transparent 70%),
        radial-gradient(2px 2px at 23px 31px, var(--star-bright) 50%, transparent),
        radial-gradient(2px 2px at 241px 151px, var(--star-bright) 50%, transparent),
        radial-gradient(1.5px 1.5px at 113px 83px, var(--star) 50%, transparent),
        radial-gradient(1.5px 1.5px at 61px 173px, var(--star) 50%, transparent),
        radial-gradient(1px 1px at 191px 43px, var(--star) 50%, transparent),
        radial-gradient(1px 1px at 151px 223px, var(--star) 50%, transparent),
        radial-gradient(1px 1px at 83px 263px, var(--star) 50%, transparent);
    background-size:
        100% 100%,
        293px 293px,
        419px 419px,
        263px 263px,
        331px 331px,
        223px 223px,
        307px 307px,
        241px 241px;
}

/* --- Milky way ------------------------------------------------------------
   Diagonal band: a gradient halo, a star dust denser than the base sky, the
   whole blended at the edges by a mask. */

body::after {
    content: "";
    position: fixed;
    inset: -25%;
    z-index: -1;
    pointer-events: none;
    transform: rotate(-28deg) translateY(-6%);
    background-image:
        radial-gradient(1px 1px at 11px 13px, var(--dust) 50%, transparent),
        radial-gradient(1px 1px at 43px 57px, var(--dust) 50%, transparent),
        radial-gradient(1px 1px at 71px 31px, var(--dust) 50%, transparent),
        radial-gradient(1.5px 1.5px at 101px 83px, var(--dust-bright) 50%, transparent),
        radial-gradient(1px 1px at 127px 109px, var(--dust) 50%, transparent),
        linear-gradient(to bottom,
            transparent 32%,
            var(--milkyway) 45%,
            var(--milkyway-core) 50%,
            var(--milkyway) 55%,
            transparent 68%);
    background-size:
        83px 83px,
        107px 107px,
        131px 131px,
        163px 163px,
        151px 151px,
        100% 100%;
    -webkit-mask-image: linear-gradient(to bottom,
        transparent 30%, rgba(0, 0, 0, 0.85) 45%, #000 50%,
        rgba(0, 0, 0, 0.85) 55%, transparent 70%);
    mask-image: linear-gradient(to bottom,
        transparent 30%, rgba(0, 0, 0, 0.85) 45%, #000 50%,
        rgba(0, 0, 0, 0.85) 55%, transparent 70%);
}

/* --- Header --------------------------------------------------------------- */

header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: var(--bg);
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

header nav {
    max-width: 46rem;
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.brand {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
}

.links {
    display: flex;
    gap: 1.5rem;
}

.links a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    padding-bottom: 0.15rem;
    border-bottom: 2px solid transparent;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.links a:hover {
    color: var(--ink);
}

.links a.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* --- Content -------------------------------------------------------------- */

main {
    max-width: 46rem;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 4rem;
}

h1 {
    font-family: Georgia, "Times New Roman", serif;
    font-size: 2.3rem;
    line-height: 1.15;
    margin: 1.25rem 0 0.25rem;
}

.subtitle {
    margin: 0;
    color: var(--accent);
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

section {
    margin-top: 2.75rem;
}

h2 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
    margin: 0 0 1.25rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--border);
}

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

ul {
    padding-left: 1.25rem;
}

li {
    margin: 0.2rem 0;
}

/* --- CV ----------------------------------------------------------------- */

.company {
    margin-bottom: 2rem;
}

.company h3 {
    font-size: 1.2rem;
    margin: 0;
}

.meta {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0.15rem 0 0.5rem;
}

.position {
    margin: 1.1rem 0 1.5rem;
    padding-left: 1.1rem;
    border-left: 2px solid var(--border);
}

.position h4 {
    margin: 0;
    font-size: 1.02rem;
}

.position ul {
    margin: 0.25rem 0;
}

.sub-position {
    font-weight: 600;
    margin: 0.9rem 0 0.25rem;
}

/* --- Code snippets ---------------------------------------------------------- */

.snippet-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 1rem;
}

.snippet-list li {
    margin: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1rem 1.25rem;
    transition: border-color 0.15s ease;
}

.snippet-list li:hover {
    border-color: var(--accent);
}

.snippet-list a {
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
}

.snippet-list a:hover {
    text-decoration: underline;
}

.snippet-list p {
    margin: 0.25rem 0 0;
    color: var(--muted);
}

.highlight {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem 1.1rem;
    overflow-x: auto;
}

.highlight pre {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* --- Philosophy ------------------------------------------------------------
   The philosophy page: opening quote and the three-step pipeline diagram. */

blockquote {
    margin: 1.5rem 0;
    padding: 0.85rem 1.1rem;
    border-left: 3px solid var(--accent);
    background: var(--card-bg);
    border-radius: 0 10px 10px 0;
    font-style: italic;
}

.pipeline {
    margin: 1.5rem 0;
    padding: 0.85rem 1.1rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.9rem;
    line-height: 1.5;
    overflow-x: auto;
}

/* --- Panels ---------------------------------------------------------------
   Shared card layout used by the philosophy page. */

.panel dl {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.25rem 1.25rem;
    margin: 0;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.85rem 1.1rem;
}
.panel dt {
    color: var(--muted);
}
.panel dd {
    margin: 0;
}