:root {
  color-scheme: light;
  --bg: #fafaf9;
  --bg-paper: #ffffff;
  --bg-elevated: #f5f5f4;
  --fg: #1c1917;
  --fg-muted: #57534e;
  --accent: #1e3a5f;
  --accent-soft: rgba(30, 58, 95, 0.08);
  --border-subtle: #e7e5e4;
  --radius-sm: 4px;
  --radius-md: 6px;
  --nav-height: 56px;
}

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

html,
body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  font-family: "Noto Serif SC", "Noto Sans SC", system-ui, -apple-system,
    BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  color: var(--fg);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  margin: 0 0 24px;
  background: var(--bg);
  border-bottom: 1px solid var(--border-subtle);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand__logo {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 600;
  font-family: "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont,
    "SF Pro Text", "Segoe UI", sans-serif;
  background: var(--bg-paper);
  color: var(--accent);
  border: 1px solid var(--border-subtle);
  box-shadow: none;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand__name {
  font-size: 16px;
  font-weight: 600;
}

.brand__tagline {
  font-size: 12px;
  color: var(--fg-muted);
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
}

.nav a {
  color: var(--fg-muted);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.18s ease-out;
}

.nav a:hover {
  color: var(--fg);
  border-color: var(--accent-strong);
  background: rgba(15, 23, 42, 0.9);
}

main {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.section {
  padding: 24px 20px 24px;
  border-radius: var(--radius-md);
  background: var(--bg-paper);
  border: 1px solid var(--border-subtle);
}

.section__header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section__header h2 {
  margin: 0;
  font-size: 20px;
}

.section__header p {
  margin: 0;
  font-size: 13px;
  color: var(--fg-muted);
  max-width: 360px;
}

.section__body {
  font-size: 14px;
  color: var(--fg);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1.2fr);
  gap: 28px;
  align-items: center;
}

.hero__eyebrow {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

.hero__title {
  margin: 0 0 8px;
  font-size: clamp(26px, 3vw, 32px);
}

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

.hero__subtitle {
  margin: 0 0 18px;
  font-size: 14px;
  color: var(--fg-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.18s ease-out;
}

.btn--primary {
  background: radial-gradient(circle at top, #38bdf8, #0ea5e9);
  color: #0b1120;
  box-shadow: 0 16px 40px rgba(56, 189, 248, 0.55);
}

.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 20px 55px rgba(56, 189, 248, 0.7);
}

.btn--ghost {
  background: rgba(15, 23, 42, 0.9);
  color: var(--fg);
  border-color: rgba(148, 163, 184, 0.7);
}

.btn--ghost:hover {
  border-color: var(--accent);
  background: rgba(15, 23, 42, 0.95);
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--fg-muted);
  font-size: 11px;
}

.hero__avatar {
  display: flex;
  justify-content: flex-end;
}

.hero__avatar-img {
  width: 220px;
  max-width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 24px;
  border: 1px solid var(--border-subtle);
  object-fit: cover;
  background: var(--bg-paper);
  box-shadow: none;
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: 18px;
}

.card {
  padding: 16px 16px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-paper);
  border: 1px solid var(--border-subtle);
}

.card--soft {
  background: var(--bg-elevated);
}

.card__title {
  margin: 0 0 8px;
  font-size: 15px;
}

.text-muted {
  color: var(--fg-muted);
  font-size: 13px;
}

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

.list--bullet {
  padding-left: 18px;
  list-style: disc;
}

.list--bullet li + li {
  margin-top: 4px;
}

.skills {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--fg-muted);
  font-size: 11px;
}

.projects {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.05fr);
  gap: 16px;
}

.project__header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 5px;
}

.project__title {
  margin: 0;
  font-size: 15px;
}

.project__tag {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(22, 163, 74, 0.17);
  color: #bbf7d0;
  border: 1px solid rgba(22, 163, 74, 0.6);
}

.project__tag--secondary {
  background: rgba(59, 130, 246, 0.14);
  color: #bfdbfe;
  border-color: rgba(59, 130, 246, 0.6);
}

.project__desc {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--fg-muted);
}

.project__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.project__link {
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
}

.project__link:hover {
  text-decoration: underline;
}

.timeline {
  border-left: 1px solid rgba(148, 163, 184, 0.6);
  margin-left: 4px;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.timeline__item {
  position: relative;
}

.timeline__item::before {
  content: "";
  position: absolute;
  left: -19px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #38bdf8;
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.22);
}

.timeline__time {
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 5px;
}

.timeline__period {
  font-weight: 500;
  color: var(--fg);
}

.timeline__location {
  margin-left: 8px;
}

.timeline__title {
  margin: 0 0 4px;
  font-size: 15px;
}

.timeline__subtitle {
  margin: 0 0 8px;
  font-size: 13px;
  color: var(--fg-muted);
}

.contact .list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.list__label {
  display: inline-block;
  min-width: 72px;
  font-size: 13px;
  color: var(--fg-muted);
}

.list__value {
  font-size: 14px;
}

.contact li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact a {
  color: var(--accent);
  text-decoration: none;
}

.contact a:hover {
  text-decoration: underline;
}

.site-footer {
  margin-top: 32px;
  padding: 12px 4px 0;
  border-top: 1px dashed rgba(148, 163, 184, 0.5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--fg-muted);
}

.site-footer__right {
  display: flex;
  gap: 12px;
}

.site-footer__right a {
  color: var(--fg-muted);
  text-decoration: none;
}

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

@media (max-width: 840px) {
  .site-header {
    margin-inline: -12px;
  }

  .page {
    padding-inline: 16px;
  }

  .hero {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__avatar {
    justify-content: flex-start;
  }

  .section {
    padding-inline: 18px;
  }

  .skills {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .projects {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .nav {
    flex-wrap: wrap;
    row-gap: 4px;
  }

  .section__header {
    flex-direction: column;
  }

  .grid-2 {
    grid-template-columns: minmax(0, 1fr);
  }

  .skills {
    grid-template-columns: minmax(0, 1fr);
  }

  .timeline {
    margin-left: 0;
    padding-left: 14px;
  }

  .timeline__item::before {
    left: -13px;
  }

  .site-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }
}