/* ---------- Fonts (self-hosted; SIL Open Font License, see ../fonts/) ---------- */

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/jetbrains-mono-latin.b636a65da4f0.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Inter";
  src: url("../fonts/inter-latin.260c81a4759b.woff2") format("woff2");
  font-weight: 400 600;
  font-style: normal;
  font-display: swap;
}

/* ---------- Design tokens ---------- */

:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --text-soft: #c9d1d9;
  --muted: #8b949e;
  --accent: #3fb950;
  --accent-hover: #56d364;
  --amber: #d29922;
  --json-key: #79c0ff;
  --json-str: #a5d6ff;

  --radius: 12px;
  --container: 72.5rem;
  --header-h: 3.75rem;

  --mono: "JetBrains Mono", ui-monospace, "SF Mono", "Cascadia Code", Menlo, Consolas, monospace;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  color-scheme: dark;
}

/* ---------- Base ---------- */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent);
  text-underline-offset: 3px;
}

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

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

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

.muted {
  color: var(--muted);
}

.container {
  width: min(100% - 2.5rem, var(--container));
  margin-inline: auto;
}

.container.narrow {
  --container: 42rem;
  padding-block: 15vh 4rem;
  font-family: var(--mono);
}

.container.narrow h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 100;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--mono);
}

.skip-link:focus {
  top: 1rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: var(--header-h);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  font-family: var(--mono);
  font-size: 0.875rem;
}

.prompt-brand {
  font-weight: 700;
  text-decoration: none;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
}

.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: 0.6rem;
  color: var(--muted);
  text-decoration: none;
}

.nav-links a:hover,
.nav-links .nav-current {
  color: var(--text);
}

/* ---------- Shared bits ---------- */

.cmd {
  margin-bottom: 0.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.95rem;
}

.window {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.window-bar .dot {
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--border);
}

.window-bar .dot:last-of-type {
  margin-right: 0.5rem;
}

/* ---------- Hero ---------- */

.hero {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3.5rem;
  padding-block: clamp(3.5rem, 9vw, 6rem) clamp(3rem, 8vw, 5.5rem);
}

.hero-text {
  flex: 999 1 32rem;
  min-width: 0;
}

.hero h1 {
  margin-top: 0.75rem;
  font-family: var(--mono);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.cursor {
  color: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.hero-role {
  margin-top: 1.1rem;
  color: var(--amber);
  font-family: var(--mono);
}

.lead {
  margin-top: 1.4rem;
  max-width: 35rem;
  color: var(--text-soft);
  font-size: clamp(1.1rem, 0.5vw + 1rem, 1.25rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding-inline: 1.25rem;
  border-radius: 8px;
  border: 1px solid transparent;
  font-family: var(--mono);
  font-size: 0.95rem;
  text-decoration: none;
  transition: background-color 0.15s, border-color 0.15s, color 0.15s;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg);
  font-weight: 700;
}

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

.btn-ghost {
  border-color: var(--border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--text);
}

.hero-portrait {
  flex: 1 1 18rem;
  max-width: 22.5rem;
}

.hero-portrait img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

/* ---------- Sections ---------- */

.section {
  padding-block: 2.5rem 4.5rem;
}

.section h2 {
  margin-bottom: 2rem;
  font-family: var(--mono);
  font-size: clamp(1.75rem, 2vw + 1rem, 2.25rem);
  letter-spacing: -0.02em;
}

/* ---------- Projects ---------- */

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 20rem), 1fr));
  /* Let regular cards fill gaps left beside double-width featured cards. */
  grid-auto-flow: dense;
  gap: 1.1rem;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.15s;
}

.card:hover {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
}

.card-featured {
  grid-column: span 2;
}

.card-meta {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.role {
  color: var(--amber);
}

.card h3 {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.15rem;
  overflow-wrap: anywhere;
}

.card-featured h3 {
  font-size: 1.35rem;
}

.card-summary {
  color: var(--text-soft);
  font-size: 0.97rem;
}

.card-tags {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0 0.9rem;
  margin-top: auto;
  font-family: var(--mono);
  font-size: 0.9rem;
}

.card-links a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  text-decoration: none;
}

.card-links a:hover {
  text-decoration: underline;
}

.card-more {
  justify-content: center;
  align-items: center;
  min-height: 11rem;
  border-style: dashed;
  background: transparent;
  text-align: center;
  text-decoration: none;
}

.card-more-cmd {
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.card-more .muted {
  font-size: 0.9rem;
}

/* ---------- Skills ---------- */

.code-block {
  overflow-x: auto;
  padding: 1.75rem 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-family: var(--mono);
  font-size: 0.95rem;
  line-height: 1.9;
}

.code-line {
  padding-left: 2ch;
  white-space: nowrap;
}

.json-key {
  color: var(--json-key);
}

.json-str {
  color: var(--json-str);
}

/* ---------- About ---------- */

.prose {
  display: grid;
  gap: 1rem;
  max-width: 47.5rem;
  color: var(--text-soft);
  font-size: 1.125rem;
}

/* ---------- Contact ---------- */

.contact-card {
  padding: clamp(1.75rem, 5vw, 3rem);
  font-family: var(--mono);
}

.contact-card h2 {
  margin-bottom: 1.5rem;
  font-size: clamp(1.75rem, 3vw + 1rem, 2.75rem);
}

.contact-list {
  display: grid;
  gap: 0.25rem;
}

.contact-list div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 1rem;
}

.contact-list dt {
  width: 11ch; /* fits the longest label, "linkedin →" */
  white-space: nowrap;
  color: var(--muted);
}

.contact-list dt::after {
  content: " →";
}

.contact-list dd a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  overflow-wrap: anywhere;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 1.5rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.8rem;
  text-align: center;
}

/* ---------- Responsive ---------- */

@media (max-width: 52rem) {
  .card-featured {
    grid-column: auto;
  }
}

@media (max-width: 34rem) {
  .nav {
    justify-content: center;
    padding-block: 0.4rem;
  }

  .nav-links a {
    min-height: 2.25rem;
    padding-inline: 0.35rem;
    font-size: 0.8rem;
  }

  /* Wrap long JSON lines instead of hiding them behind a horizontal scroll. */
  .code-line {
    white-space: normal;
    padding-left: 4ch;
    text-indent: -2ch;
  }

  .hero-portrait {
    order: -1;
    max-width: 11rem;
  }

  .code-block {
    padding: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .cursor {
    animation: none;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}