:root {
  --bg: #000;
  --fg: #f2f2f2;
  --muted: #8a8a8a;
  --line: #222;
  --card: rgba(0, 0, 0, 0.55);
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg: #fff;
  --fg: #0a0a0a;
  --muted: #6b6b6b;
  --line: #e4e4e4;
  --card: rgba(255, 255, 255, 0.6);
  color-scheme: light;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background 0.4s, color 0.4s;
}

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

a { color: inherit; text-decoration: none; }

.mono { font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.04em; }

#field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.4rem clamp(1rem, 5vw, 3rem);
  color: var(--fg);
  background: linear-gradient(var(--bg) 55%, transparent);
  transition: color 0.4s;
}
.mark { font-family: var(--mono); font-weight: 500; letter-spacing: 0.1em; }
.nav nav { display: flex; gap: clamp(0.4rem, 1.5vw, 1rem); align-items: center; font-size: 0.85rem; }
.nav nav a {
  padding: 0.3rem 0.8rem;
  border: 1px solid transparent;
  border-radius: 999px;
  opacity: 0.7;
  transition: opacity 0.25s, border-color 0.25s, background-color 0.25s;
}
.nav nav a:focus-visible,
.nav nav a:active,
.nav nav a.tapped {
  opacity: 1;
  border-color: color-mix(in srgb, var(--fg) 35%, transparent);
  background: color-mix(in srgb, var(--fg) 6%, transparent);
  outline: none;
}
@media (hover: hover) {
  .nav nav a:hover {
    opacity: 1;
    border-color: color-mix(in srgb, var(--fg) 35%, transparent);
    background: color-mix(in srgb, var(--fg) 6%, transparent);
  }
}

.lang {
  padding: 0.2rem 0.55rem;
  border: 1px solid color-mix(in srgb, var(--fg) 30%, transparent);
  border-radius: 999px;
  background: none;
  color: inherit;
  font-size: 0.7rem;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.25s, background-color 0.25s;
}
.lang:hover, .lang:focus-visible { opacity: 1; background: color-mix(in srgb, var(--fg) 8%, transparent); outline: none; }

.theme {
  width: 18px; height: 18px;
  border: 1.5px solid currentColor;
  border-radius: 50%;
  background: none;
  color: inherit;
  cursor: pointer;
  overflow: hidden;
  position: relative;
}
.theme span {
  position: absolute; inset: 0;
  background: currentColor;
  clip-path: inset(0 0 0 50%);
}

/* layout */
main {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem);
}

.hero {
  min-height: 100svh;
  display: grid;
  grid-template-columns: 1fr minmax(200px, 300px);
  align-items: start;
  align-content: center;
  gap: clamp(3rem, 9vw, 8rem);
  padding-top: 4rem;
}
.portrait {
  position: relative;
  margin-top: 1.5rem;
}
.portrait img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 30%;
}
.portrait::after {
  content: "";
  position: absolute;
  inset: 12px 12px -12px -12px;
  border: 1px solid var(--line);
  z-index: -1;
}
.welcome { font-size: 1.05rem; font-weight: 300; color: var(--muted); margin-bottom: 0.75rem; }
.kicker { color: var(--muted); margin-bottom: 1.5rem; text-transform: uppercase; }
h1 {
  font-size: clamp(3rem, 11vw, 7.5rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.045em;
}
.lede {
  max-width: 34rem;
  margin-top: 2rem;
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 300;
  color: var(--fg);
  opacity: 0.85;
}
.loc { margin-top: 2rem; color: var(--muted); }

.block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding: 5rem 0;
  border-top: 1px solid var(--line);
}
.block h2 { color: var(--muted); font-weight: 400; text-transform: uppercase; padding-top: 0.3rem; }
.body p + p { margin-top: 1rem; }
.body > p { font-weight: 300; font-size: 1.05rem; }

.item { padding-bottom: 2.25rem; }
.item:last-child { padding-bottom: 0; }
.row { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
h3 { font-size: 1.1rem; font-weight: 500; letter-spacing: -0.01em; }
.date { color: var(--muted); }
.role { color: var(--muted); font-size: 0.9rem; margin: 0.15rem 0 0.6rem; }
.item p:last-child, .card p:last-child { font-weight: 300; }

.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.card {
  background: var(--bg);
  padding: 1.6rem;
  transition: background 0.3s, color 0.3s;
}
@media (hover: hover) {
  .card:hover { background: var(--fg); color: var(--bg); }
  .card:hover .tag { color: var(--bg); opacity: 0.6; }
  }
.tag { color: var(--muted); margin-bottom: 0.8rem; }
.card h3 { margin-bottom: 0.5rem; }
.card p:last-child { font-size: 0.92rem; }

.skills { display: grid; grid-template-columns: 150px 1fr; row-gap: 0.9rem; column-gap: 1rem; }
.skills dt { color: var(--muted); padding-top: 0.2rem; }
.skills dd { font-weight: 300; }

.links { list-style: none; font-size: 0.9rem; }
.links li { border-top: 1px solid var(--line); }
.links li:last-child { border-bottom: 1px solid var(--line); }
.links a { display: flex; justify-content: space-between; padding: 1rem 0; transition: padding 0.3s; }

footer {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem clamp(1rem, 5vw, 3rem);
  color: var(--muted);
}

/* language swap */
[data-i18n] { transition: opacity 0.22s, filter 0.22s, transform 0.22s; }
.i18n-out { opacity: 0 !important; filter: blur(5px); transform: translate(var(--jx, 0), var(--jy, 0)); }

/* reveal */
.block { opacity: 0; transform: translateY(24px); transition: opacity 0.8s, transform 0.8s; }
.block.in { opacity: 1; transform: none; }

@media (max-width: 720px) {
  /* profile-card hero: photo beside the kicker + location, name and lede below */
  .hero {
    grid-template-columns: clamp(112px, 36vw, 150px) 1fr;
    grid-template-areas:
      "photo welcome"
      "photo loc"
      "name  name"
      "lede  lede";
    grid-template-rows: auto auto;
    align-items: start;
    align-content: center;
    gap: 0 1.25rem;
    min-height: 0;
    padding: 7rem 0 3.5rem;
  }
  .intro { display: contents; }
  .welcome { grid-area: welcome; align-self: end; margin: 0 0 0.35rem; font-size: 1.15rem; color: var(--fg); opacity: 0.8; }
  .portrait { grid-area: photo; width: 100%; margin: 0; }
  .portrait::after { display: none; }
  .kicker { grid-area: kicker; align-self: end; margin: 0 0 0.5rem; font-size: 0.82rem; line-height: 1.75; color: var(--fg); opacity: 0.75; }
  .kicker span { display: block; }
  .kicker .sep { display: none; }
  .loc { grid-area: loc; align-self: start; margin: 0; font-size: 0.78rem; }
  h1 { grid-area: name; margin-top: 2rem; font-size: clamp(2.6rem, 13vw, 4rem); }
  .lede { grid-area: lede; margin-top: 1.25rem; }
  .block { grid-template-columns: 1fr; gap: 1.25rem; padding: 3.5rem 0; }
  .grid { grid-template-columns: 1fr; }
  .nav { padding-top: 1rem; padding-bottom: 1rem; }
  .nav nav { gap: 0.2rem; font-size: 0.78rem; }
  .nav nav a { padding: 0.25rem 0.5rem; }
  .skills { grid-template-columns: 1fr; row-gap: 0.15rem; }
  .skills dd + dt { margin-top: 0.85rem; }
}

@media (max-width: 380px) {
  .mark { display: none; }
  .nav { justify-content: flex-end; }
  .nav nav { font-size: 0.74rem; }
  .nav nav a { padding: 0.25rem 0.32rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .block { opacity: 1; transform: none; transition: none; }
}