:root {
  color-scheme: light dark;
  --bg: #0b1220;
  /*
    Use more solid surfaces to remain readable when mobile browsers
    apply "forced darkening" / contrast adjustments.
  */
  --panel: #0f172a;
  --panel-2: #0b1324;
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.72);
  --subtle: rgba(255, 255, 255, 0.56);
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --accent: #8b5cf6;
  --accent-2: #22c55e;
  --focus: rgba(139, 92, 246, 0.55);
  --radius: 18px;
  --radius-sm: 14px;
  --max: 1080px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f8fc;
    --panel: #ffffff;
    --panel-2: #f3f5fb;
    --text: rgba(0, 0, 0, 0.88);
    --muted: rgba(0, 0, 0, 0.68);
    --subtle: rgba(0, 0, 0, 0.52);
    --border: rgba(0, 0, 0, 0.1);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.12);
    --focus: rgba(139, 92, 246, 0.35);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

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: 1.55;
  color: var(--text);
  background-color: var(--bg);
  background: radial-gradient(900px 600px at 10% 10%, rgba(139, 92, 246, 0.22), transparent 60%),
    radial-gradient(900px 600px at 90% 20%, rgba(34, 197, 94, 0.12), transparent 60%),
    var(--bg);
}

/* Prevent aggressive OS/browser recoloring where supported */
html,
body,
.card,
.hero-card,
.site-header {
  forced-color-adjust: none;
}

/* Improve mobile viewport behavior (iOS safe areas, etc.) */
@supports (padding: max(0px)) {
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
}

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

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: 10px;
}

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

.container {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

@media (max-width: 520px) {
  .container {
    width: min(var(--max), calc(100% - 28px));
  }
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  z-index: 10;
}

.skip-link:focus {
  left: 20px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(10px);
  /* Fallback first (iOS Safari can behave oddly with color-mix) */
  background: rgba(11, 18, 32, 0.86);
  border-bottom: 1px solid var(--border);
}

@supports (background: color-mix(in srgb, black, white)) {
  .site-header {
    background: color-mix(in srgb, var(--bg), transparent 35%);
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
}

@media (max-width: 720px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav {
    width: 100%;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 4px;
  }

  .nav a {
    white-space: nowrap;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.7), rgba(34, 197, 94, 0.5));
  box-shadow: var(--shadow);
}

.brand-text .name {
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-text .headline {
  font-size: 0.92rem;
  color: var(--muted);
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.nav a {
  padding: 8px 10px;
  border-radius: 12px;
  color: var(--muted);
  border: 1px solid transparent;
  text-decoration: none;
}

.nav a:hover {
  border-color: var(--border);
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
}

.hero {
  padding: 34px 0 8px;
}

@media (max-width: 520px) {
  .hero {
    padding: 22px 0 6px;
  }
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 18px;
  align-items: start;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .brand {
    min-width: 0;
  }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  margin: 0 0 10px;
}

.lede {
  font-size: 1.08rem;
  color: var(--muted);
  margin: 0 0 18px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}

@media (max-width: 520px) {
  .cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    width: 100%;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.btn:hover {
  text-decoration: none;
  background: var(--panel);
}

.btn.primary {
  border-color: rgba(139, 92, 246, 0.45);
  background: linear-gradient(
    135deg,
    rgba(139, 92, 246, 0.65),
    rgba(34, 197, 94, 0.25)
  );
}

@supports (background: color-mix(in srgb, black, white)) {
  .btn.primary {
    border-color: color-mix(in srgb, var(--accent), transparent 55%);
    background: linear-gradient(
      135deg,
      color-mix(in srgb, var(--accent), transparent 25%),
      color-mix(in srgb, var(--accent-2), transparent 55%)
    );
  }
}

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

.meta {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
}

@media (max-width: 560px) {
  .meta {
    grid-template-columns: 1fr;
  }
}

.meta .k {
  display: block;
  font-size: 0.82rem;
  color: var(--subtle);
}

.meta .v {
  display: block;
  font-weight: 600;
  color: var(--text);
}

.hero-card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--panel), white 2%),
    var(--panel-2)
  );
  box-shadow: var(--shadow);
  padding: 18px;
}

@media (prefers-color-scheme: light) {
  .site-header {
    background: rgba(247, 248, 252, 0.86);
  }
  .hero-card {
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
  }
}

@supports (background: color-mix(in srgb, black, white)) {
  .hero-card {
    background: linear-gradient(
      180deg,
      color-mix(in srgb, var(--panel), transparent 10%),
      color-mix(in srgb, var(--panel-2), transparent 10%)
    );
  }
}

.hero-card h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.section {
  padding: 28px 0;
}

.section.alt {
  background: color-mix(in srgb, var(--bg), transparent 55%);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

@media (prefers-color-scheme: light) {
  .section.alt {
    background: rgba(247, 248, 252, 0.55);
  }
}

@supports (background: color-mix(in srgb, black, white)) {
  .section.alt {
    background: color-mix(in srgb, var(--bg), transparent 55%);
  }
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.section h2 {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

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

.fineprint {
  font-size: 0.92rem;
  margin-top: 12px;
}

.card {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--panel-2);
  padding: 18px;
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.12);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.card:hover {
  transform: translateY(-2px);
  background: var(--panel);
  border-color: rgba(139, 92, 246, 0.35);
}

@supports (background: color-mix(in srgb, black, white)) {
  .card:hover {
    border-color: color-mix(in srgb, var(--border), var(--accent) 25%);
  }
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 380ms ease, transform 380ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.nav a[aria-current="page"] {
  border-color: var(--border);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

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

@media (max-width: 900px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.list,
.bullets {
  margin: 10px 0 0;
  padding-left: 18px;
}

.bullets li {
  margin: 6px 0;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.tag {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  font-weight: 650;
  font-size: 0.9rem;
}

.chip-sections {
  display: grid;
  gap: 12px;
  margin-top: 10px;
}

.chip-section {
  display: grid;
  gap: 8px;
}

.chip-k {
  font-size: 0.82rem;
  color: var(--subtle);
  font-weight: 700;
  letter-spacing: 0.01em;
}

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

.chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  font-weight: 650;
  font-size: 0.9rem;
  color: var(--text);
}

@media (prefers-color-scheme: light) {
  .chip {
    background: var(--panel-2);
  }
}

@supports (background: color-mix(in srgb, black, white)) {
  .chip {
    background: color-mix(in srgb, var(--panel), transparent 10%);
  }
}

.chip:hover {
  background: var(--panel);
}

.timeline {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}

.timeline-item .row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 520px) {
  .timeline-item .row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .time {
    font-weight: 700;
  }
}

.role {
  margin: 0;
  font-size: 1.1rem;
}

.org {
  color: var(--muted);
  margin-top: 2px;
}

.time {
  color: var(--subtle);
  font-weight: 650;
}

.loc {
  margin-top: 8px;
}

.project-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}

.project-title {
  margin: 0;
  font-size: 1.1rem;
}

.project-links a {
  color: var(--muted);
  margin-left: 10px;
}

.contact-card .contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 18px;
}

@media (max-width: 700px) {
  .contact-card .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-grid .k {
  font-size: 0.82rem;
  color: var(--subtle);
}

.contact-grid .v {
  font-weight: 700;
}

.site-footer {
  padding: 24px 0 34px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

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

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