:root {
  color-scheme: dark;
  --bg: #0b0d12;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-2: rgba(255, 255, 255, 0.09);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.7);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --focus: #7dd3fc;

  --brand-1: #60a5fa;
  --brand-2: #a78bfa;
  --brand-3: #34d399;

  --radius: 16px;
  --radius-sm: 12px;
  --container: 1040px;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #f7f8fb;
  --surface: rgba(255, 255, 255, 0.74);
  --surface-2: rgba(255, 255, 255, 0.92);
  --text: rgba(12, 18, 28, 0.92);
  --muted: rgba(12, 18, 28, 0.68);
  --border: rgba(12, 18, 28, 0.12);
  --shadow: 0 18px 50px rgba(10, 25, 41, 0.12);
  --focus: #0ea5e9;
}

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

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family:
    ui-sans-serif,
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    Helvetica,
    Arial,
    "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.5;
  background:
    radial-gradient(1200px 800px at 10% -10%, rgba(96, 165, 250, 0.25), transparent 60%),
    radial-gradient(900px 600px at 90% 10%, rgba(167, 139, 250, 0.22), transparent 60%),
    radial-gradient(1000px 700px at 50% 120%, rgba(52, 211, 153, 0.16), transparent 60%),
    var(--bg);
  color: var(--text);
}

a {
  color: inherit;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono",
    "Courier New", monospace;
  font-size: 0.95em;
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  transform: translateY(-200%);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  text-decoration: none;
  box-shadow: var(--shadow);
}

.skip-link:focus {
  transform: translateY(0);
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  background: var(--surface-2);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-weight: 700;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow);
}

.logo__text {
  font-size: 0.98rem;
  letter-spacing: 0.2px;
}

.nav {
  display: none;
  gap: 1rem;
}

.nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 0.4rem 0.55rem;
  border-radius: 999px;
}

.nav a:hover {
  background: var(--surface);
  color: var(--text);
}

.button {
  appearance: none;
  border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--brand-1), var(--brand-2));
  color: rgba(255, 255, 255, 0.95);
  font-weight: 650;
  padding: 0.58rem 0.85rem;
  border-radius: 999px;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  box-shadow: var(--shadow);
  cursor: pointer;
}

.button:hover {
  filter: brightness(1.02);
}

.button:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.button--secondary {
  background: var(--surface-2);
  color: var(--text);
  box-shadow: none;
}

.button--ghost {
  background: transparent;
  color: var(--text);
  box-shadow: none;
}

.hero {
  padding: 4.5rem 0 2rem;
}

.hero__inner {
  display: grid;
  gap: 1.25rem;
}

.eyebrow {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: 0.2px;
}

h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

h2 {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  letter-spacing: -0.01em;
}

h3 {
  margin: 0 0 0.4rem;
  font-size: 1.08rem;
}

.gradient {
  background: linear-gradient(90deg, var(--brand-1), var(--brand-2), var(--brand-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 60ch;
}

.cta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin: 1rem 0 1.25rem;
}

.chips {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chips li {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 0.35rem 0.6rem;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.9rem;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero__card .card {
  padding: 1.15rem;
}

.profile {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1rem;
}

.avatar {
  width: 84px;
  height: 84px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid var(--border);
  background: var(--surface-2);
}

.profile__name {
  margin: 0;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.profile__role {
  margin: 0.25rem 0 0;
}

.card__title {
  margin: 0 0 0.65rem;
  font-size: 1.05rem;
}

.card__list {
  margin: 0;
  padding-left: 1.05rem;
  color: var(--muted);
}

.card__actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.section {
  padding: 3rem 0;
}

.section--alt {
  background: var(--surface);
  background: color-mix(in oklab, var(--surface) 50%, transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section__header {
  display: grid;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

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

.grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}

.grid--two {
  grid-template-columns: 1fr;
}

.project {
  padding: 1.15rem;
}

.project__desc {
  margin: 0 0 0.9rem;
  color: var(--muted);
}

.project__meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.9rem;
}

.tag {
  border: 1px solid var(--border);
  background: var(--surface-2);
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-weight: 650;
  font-size: 0.85rem;
  color: var(--muted);
}

.project__links {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.link {
  color: var(--text);
  text-underline-offset: 3px;
}

.link:hover {
  color: var(--brand-1);
  color: color-mix(in oklab, var(--text) 70%, var(--brand-1));
}

.contact {
  padding: 1.15rem;
}

.facts {
  padding: 1.15rem;
}

.facts__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.65rem;
}

.facts__list li {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 0.75rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--border);
}

.facts__list li:first-child {
  padding-top: 0;
  border-top: none;
}

.facts__list span:first-child {
  color: var(--muted);
  font-weight: 650;
}

.timeline {
  display: grid;
  gap: 1rem;
}

.item {
  padding: 1.15rem;
}

.item__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.item__title {
  margin: 0;
}

.item__subtitle {
  margin: 0.2rem 0 0;
}

.bullets {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}

.bullets li + li {
  margin-top: 0.4rem;
}

.pub {
  padding: 1.15rem;
}

.pub__title {
  margin: 0 0 0.25rem;
}

.contact__row {
  display: grid;
  grid-template-columns: 100px 1fr;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.75rem 0;
  border-top: 1px solid var(--border);
}

.contact__row:first-child {
  border-top: none;
  padding-top: 0;
}

.contact__label {
  color: var(--muted);
  font-weight: 650;
}

.contact__value {
  min-width: 0;
  word-break: break-word;
}

.footer {
  padding: 2.25rem 0 2.75rem;
}

.footer__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

@media (min-width: 760px) {
  .nav {
    display: flex;
  }

  .hero__inner {
    grid-template-columns: 1.55fr 0.85fr;
    align-items: start;
    gap: 1.5rem;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .grid--two {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__row {
    grid-template-columns: 120px 1fr auto;
  }
}