:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --text: #10131a;
  --muted: #5f6b7a;
  --line: #e8ecf4;
  --accent: #0f172a;
  --soft: #f4f6f9;
  /* Subtle nav highlight — black-green */
  --nav-active-fg: #14532d;
  --nav-active-bg: rgba(22, 163, 74, 0.1);
  --nav-active-border: rgba(22, 163, 74, 0.32);
  --nav-hover-bg: rgba(22, 163, 74, 0.06);
  /*
   * Mobile full-screen nav panel translucency.
   * Higher % = more opaque (less glass). Lower = more see-through.
   * Adjust only on small screens — desktop nav ignores this (solid strip / transparent panel).
   */
  --nav-panel-solid-pct: 95%;
}

[data-theme="dark"] {
  --bg: #0f1117;
  --surface: #141824;
  --text: #eef2ff;
  --muted: #9ca8bf;
  --line: #2a3246;
  --accent: #eaf0ff;
  --soft: #0d1220;
  --nav-active-fg: #86efac;
  --nav-active-bg: rgba(74, 222, 128, 0.12);
  --nav-active-border: rgba(74, 222, 128, 0.28);
  --nav-hover-bg: rgba(74, 222, 128, 0.08);
  --nav-panel-solid-pct: 95%;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  max-width: 100%;
}

html {
  overscroll-behavior-x: none;
}

body {
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  background-color: var(--bg);
  background-image: radial-gradient(circle at 12% 0%, var(--soft), var(--bg) 48%);
  color: var(--text);
  transition: background-color 0.2s ease, color 0.2s ease;
  overflow-x: hidden;
  position: relative;
  overflow-wrap: break-word;
}

/* Crisp white on small screens when not dark — avoids warm/off-white cast */
@media (max-width: 859px) {
  html:not([data-theme="dark"]) body {
    background-color: #ffffff;
    background-image: none;
  }
}

@media (min-width: 860px) {
  html:not([data-theme="dark"]) body {
    background-image: radial-gradient(circle at 10% 0%, #f1f4f8, #ffffff 50%);
  }
}

[data-theme="dark"] body {
  background-image: radial-gradient(circle at 10% 0%, var(--soft), var(--bg) 40%);
}

@media (max-width: 859px) {
  [data-theme="dark"] body {
    background-image: radial-gradient(circle at 10% 0%, var(--soft), var(--bg) 45%);
  }
}

a {
  color: inherit;
}

.container {
  width: min(960px, 92%);
  max-width: 100%;
  margin: 0 auto;
  min-width: 0;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 96%, transparent);
  backdrop-filter: blur(10px);
  z-index: 40;
  max-width: 100%;
}

@media (max-width: 859px) {
  body.nav-open .site-header {
    position: relative;
    z-index: 55;
    background: var(--surface);
  }
}

/* Laptop+: sticky full-width bar */
@media (min-width: 860px) {
  .site-header {
    position: sticky;
    top: 0;
  }
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.55rem 0;
  min-height: 3rem;
  max-width: 100%;
  min-width: 0;
}

.brand {
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--text);
  flex-shrink: 0;
}

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
  margin-left: auto;
  position: relative;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex-shrink: 0;
}

/* Mobile: nav slides in from right */
.nav-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.38);
  z-index: 48;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.nav-backdrop.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.nav-panel {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: 100%;
  min-height: 100dvh;
  max-height: 100dvh;
  background: color-mix(in srgb, var(--surface) var(--nav-panel-solid-pct), transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: none;
  box-shadow: none;
  padding: 4.5rem 1.5rem 2rem;
  z-index: 52;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transform: translate3d(100%, 0, 0);
  transition: transform 0.28s ease;
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
  contain: paint;
}

[data-theme="dark"] .nav-panel {
  box-shadow: none;
}

.nav-panel.is-open {
  transform: translate3d(0, 0, 0);
}

@media (max-width: 859px) {
  .nav-panel:not(.is-open) {
    visibility: hidden;
    pointer-events: none;
  }

  .nav-panel.is-open {
    visibility: visible;
    pointer-events: auto;
  }
}

.nav-close {
  display: none;
}

@media (max-width: 859px) {
  .nav-close {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: max(0.65rem, env(safe-area-inset-top));
    right: max(0.65rem, env(safe-area-inset-right));
    z-index: 2;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    border: 1px solid color-mix(in srgb, var(--line) 70%, transparent);
    border-radius: 12px;
    background: color-mix(in srgb, var(--surface) 55%, transparent);
    color: var(--text);
    font-size: 1.35rem;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  }

  .nav-close:hover {
    background: color-mix(in srgb, var(--surface) 75%, transparent);
    border-color: var(--line);
  }

  [data-theme="dark"] .nav-close {
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
  }
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-items: stretch;
  width: 100%;
  max-width: 20rem;
}

.nav-panel .nav-links a {
  display: block;
  text-align: center;
  text-decoration: none;
  border: 1px solid transparent;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  color: var(--muted);
  font-size: 1.125rem;
}

.nav-links a:hover {
  color: var(--text);
  background: var(--nav-hover-bg);
  border-color: transparent;
}

.nav-links a.active {
  color: var(--nav-active-fg);
  background: var(--nav-active-bg);
  border-color: var(--nav-active-border);
  font-weight: 600;
  width: 100%;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  align-items: center;
}

.nav-toggle-bar {
  display: block;
  width: 1.1rem;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

body.nav-open .nav-toggle .nav-toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle .nav-toggle-bar:nth-child(2) {
  opacity: 0;
}

body.nav-open .nav-toggle .nav-toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (min-width: 860px) {
  body.nav-open .site-header {
    position: static;
    z-index: 40;
    background: color-mix(in srgb, var(--bg) 96%, transparent);
  }

  .nav-toggle {
    display: none;
  }

  .nav-backdrop {
    display: none !important;
  }

  .nav-panel {
    position: static;
    inset: auto;
    transform: none !important;
    visibility: visible !important;
    pointer-events: auto !important;
    width: auto;
    max-width: none;
    min-height: 0;
    max-height: none;
    height: auto;
    border: none;
    box-shadow: none;
    padding: 0;
    background: transparent !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    overflow: visible;
    contain: none;
    display: block;
    flex-direction: initial;
    justify-content: initial;
    align-items: initial;
  }

  .nav-links {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.2rem;
    max-width: none;
    width: auto;
  }

  .nav-panel .nav-links a,
  .nav-links a {
    text-align: left;
    padding: 0.28rem 0.55rem;
    border-radius: 8px;
    font-size: 0.86rem;
  }
}

.theme-toggle {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 999px;
  padding: 0.33rem 0.75rem;
  cursor: pointer;
  font-size: 0.85rem;
  flex-shrink: 0;
}

body.nav-open {
  overflow: hidden;
  overscroll-behavior: none;
}

@media (min-width: 860px) {
  body.nav-open {
    overflow: auto;
    overscroll-behavior: auto;
  }
}

main {
  padding: 1.4rem 0 2.4rem;
  max-width: 100%;
  min-width: 0;
}

.hero {
  padding: 1.2rem 0;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

h1 {
  margin: 0.35rem 0 0.65rem;
  line-height: 1.2;
  font-size: 1.8rem;
}

h2 {
  font-size: 1.1rem;
  margin: 0 0 0.65rem;
}

p {
  margin: 0.4rem 0;
}

.intro {
  color: var(--muted);
  max-width: 65ch;
}

.section {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1rem;
  margin-top: 0.9rem;
  max-width: 100%;
  min-width: 0;
}

.icon-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.icon-title span {
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 0.8rem;
}

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

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

.chip-list li {
  padding: 0.26rem 0.72rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 84%, var(--soft));
  font-size: 0.88rem;
}

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

.timeline li + li {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line);
}

.meta {
  color: var(--muted);
  font-size: 0.9rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 0.7rem;
}

.btn {
  text-decoration: none;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 10px;
  padding: 0.45rem 0.8rem;
  font-size: 0.9rem;
}

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

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

.blog-archive li + li {
  margin-top: 0.6rem;
}

.blog-archive a {
  text-decoration: none;
}

.blog-row {
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
  flex-wrap: wrap;
  min-width: 0;
  max-width: 100%;
}

.blog-date {
  color: var(--muted);
  font-size: 0.88rem;
  min-width: 0;
  flex-shrink: 0;
}

@media (min-width: 480px) {
  .blog-date {
    min-width: 7.5rem;
  }
}

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

.footer {
  border-top: 1px solid var(--line);
  padding: 1.1rem 0 1.8rem;
  color: var(--muted);
  font-size: 0.9rem;
  display: flex;
  justify-content: space-between;
  gap: 0.6rem;
  flex-wrap: wrap;
  max-width: 100%;
}

@media (min-width: 860px) {
  h1 {
    font-size: 2.2rem;
  }

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

  .header-right {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.5rem;
  }
}

/* Hero social (GitHub etc.) */
.hero-social {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: 0.85rem;
}

.hero-social a.icon-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.35rem;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: background 0.15s ease, border-color 0.15s ease;
}

.hero-social a.icon-link:hover {
  background: var(--nav-hover-bg);
  border-color: var(--nav-active-border);
}

.hero-social a.icon-link img {
  width: 26px;
  height: 26px;
  display: block;
}

/* Travel carousel (scroll-snap) */
.carousel-snap {
  margin-top: 0.5rem;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.carousel-snap .carousel-viewport {
  display: flex;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface) 88%, var(--soft));
  scrollbar-width: none;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.carousel-snap .carousel-viewport::-webkit-scrollbar {
  display: none;
}

.carousel-snap .carousel-slide {
  flex: 0 0 100%;
  min-width: 100%;
  scroll-snap-align: center;
  scroll-snap-stop: always;
}

.carousel-snap .carousel-slide img {
  display: block;
  width: 100%;
  height: clamp(220px, 52vh, 440px);
  object-fit: cover;
  object-position: center 20%;
}

.carousel-snap .carousel-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.85rem;
}

.carousel-snap .carousel-btn {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.carousel-snap .carousel-btn:hover {
  background: var(--nav-hover-bg);
  border-color: var(--nav-active-border);
}

.carousel-snap .carousel-caption {
  text-align: center;
  font-size: 0.88rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

@media (min-width: 860px) {
  .carousel-snap .carousel-slide img {
    height: clamp(280px, 48vh, 520px);
  }
}

/* Career vertical timeline (years) */
.career-vtimeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 0.25rem;
  list-style: none;
}

.career-vtimeline::before {
  content: "";
  position: absolute;
  left: 3.25rem;
  top: 0.35rem;
  bottom: 0.35rem;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--nav-active-border),
    color-mix(in srgb, var(--line) 70%, var(--nav-active-border))
  );
  border-radius: 2px;
}

.career-vtimeline > li {
  position: relative;
  display: grid;
  grid-template-columns: 3.5rem 1rem minmax(0, 1fr);
  gap: 0.35rem 0.5rem;
  padding: 0.85rem 0 1.1rem;
  align-items: start;
}

.career-vtimeline > li:last-child {
  padding-bottom: 0;
}

.career-year {
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--nav-active-fg);
  text-align: right;
  padding-top: 0.15rem;
  padding-right: 0.8rem;
}

.career-year-badge {
  display: inline-block;
  margin-top: 0.2rem;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--nav-active-fg);
  background: var(--nav-active-bg);
  padding: 0.12rem 0.35rem;
  border: 1px solid var(--nav-active-border);
  border-radius: 6px;

}

.career-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--nav-active-fg);
  border: 2px solid var(--surface);
  box-shadow: 0 0 0 2px var(--nav-active-border);
  margin-top: 0.35rem;
  justify-self: center;
  z-index: 1;
}

.career-block {
  background: color-mix(in srgb, var(--surface) 92%, var(--soft));
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
}

.career-block h3 {
  margin: 0 0 0.2rem;
  font-size: 1.05rem;
}

.career-block .meta {
  margin-bottom: 0.55rem;
}

.career-block ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text);
}

.career-block li + li {
  margin-top: 0.35rem;
}

.career-gap-after {
  margin-bottom: 0.5rem;
}

.career-label {
  margin-bottom: 0.35rem;
}

.career-label-spaced {
  margin-top: 0.65rem;
}

@media (max-width: 859px) {
  .career-vtimeline::before {
    left: 2.85rem;
  }

  .career-vtimeline > li {
    grid-template-columns: 2.75rem 1rem minmax(0, 1fr);
  }

  .career-year {
    font-size: 0.78rem;
  }
}