:root[data-bs-theme="dark"] {
  --tn-bg: #1a1b26;
  --tn-surface: #24283b;
  --tn-surface-soft: #2b3148;
  --tn-fg: #c0caf5;
  --tn-muted: #9aa5ce;
  --tn-muted-strong: #a9b1d6;
  --tn-accent: #ff9e64;
  --tn-accent-strong: #ff9e64;
  --tn-highlight: #f7768e;
  --tn-border: #414868;
  --tn-glow: rgba(122, 162, 247, 0.22);
  --tn-check: #7aa2f7;
  --tn-code-bg: #1f2335;
  --tn-code-border: #3b4261;
  --tn-code-fg: #c0caf5;
}

:root[data-bs-theme="light"] {
  --tn-bg: #d5d6db;
  --tn-surface: #e1e2e7;
  --tn-surface-soft: #eceef3;
  --tn-fg: #3760bf;
  --tn-muted: #6172b0;
  --tn-muted-strong: #3760bf;
  --tn-accent: #ff9e64;
  --tn-accent-strong: #ff9e64;
  --tn-highlight: #f7768e;
  --tn-border: #c7c9d3;
  --tn-glow: rgba(46, 125, 233, 0.18);
  --tn-check: #2e7de9;
  --tn-code-bg: #e6e7ee;
  --tn-code-border: #c7c9d3;
  --tn-code-fg: #1f2335;
}

* {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
}

html,
body {
  background: var(--tn-bg);
  color: var(--tn-fg);
  min-height: 100vh;
  line-height: 1.7;
}

.site-body {
  background-image: radial-gradient(circle at 20% 0%, var(--tn-glow), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(187, 154, 247, 0.18), transparent 40%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

footer {
  margin-top: auto;
}

.container-lg {
  max-width: 1140px;
}

.navbar,
footer {
  background: transparent;
}

.site-nav {
  transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.site-nav.is-sticky {
  backdrop-filter: blur(12px);
  background: rgba(26, 27, 38, 0.72);
  border-bottom: 1px solid var(--tn-border);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

:root[data-bs-theme="light"] .site-nav.is-sticky {
  background: rgba(225, 226, 231, 0.78);
}

.navbar-brand,
.nav-link,
.link-accent {
  color: var(--tn-fg) !important;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.brand-avatar {
  width: 34px;
  height: 34px;
  padding: 2px;
  border-radius: 999px;
  background: radial-gradient(
      circle at 30% 20%,
      rgba(122, 162, 247, 0.35),
      transparent 55%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(255, 158, 100, 0.35),
      transparent 55%
    );
  border: 1px solid var(--tn-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.brand-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid var(--tn-border);
  background: var(--tn-surface);
}

.link-accent {
  color: var(--tn-accent) !important;
}

.nav-link {
  opacity: 1;
}

.nav-link:hover,
.link-accent:hover {
  color: var(--tn-accent) !important;
  opacity: 1;
}

.navbar-toggler {
  border: 1px solid var(--tn-border);
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  background: var(--tn-surface);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.25);
}

.navbar-toggler-icon {
  filter: none;
}

:root[data-bs-theme="light"] .navbar-toggler-icon {
  filter: none;
}

@media (max-width: 991.98px) {
  .navbar-toggler {
    --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.95)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.4' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }

  :root[data-bs-theme="light"] .navbar-toggler {
    --bs-navbar-toggler-icon-bg: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(31, 35, 53, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2.4' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  }

  .nav-toggle-label {
    color: var(--tn-fg);
  }
}

.nav-toggle-label {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.01em;
}

.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  padding: 0.6rem 1rem;
  background: var(--tn-surface);
  color: var(--tn-fg);
  border: 1px solid var(--tn-border);
  border-radius: 999px;
  transform: translateY(-140%);
  transition: transform 0.2s ease;
  z-index: 2000;
}

.skip-link:focus {
  transform: translateY(0);
}

.nav-link:focus-visible,
.navbar-toggler:focus-visible {
  outline: 2px solid var(--tn-accent);
  outline-offset: 2px;
}

@media (max-width: 991.98px) {
  .site-nav {
    position: sticky;
    top: 0;
    z-index: 1030;
    background: rgba(26, 27, 38, 0.92);
    border-bottom: 1px solid var(--tn-border);
    backdrop-filter: blur(10px);
  }

  :root[data-bs-theme="light"] .site-nav {
    background: rgba(225, 226, 231, 0.92);
  }

  .mobile-nav {
    margin-top: 1rem;
    background: var(--tn-surface);
    border: 1px solid var(--tn-border);
    border-radius: 16px;
    padding: 0.75rem 0.75rem;
    box-shadow: 0 18px 34px rgba(0, 0, 0, 0.22);
    max-height: 70vh;
    overflow-y: auto;
  }

  .site-nav-list {
    gap: 0.25rem;
  }

  .site-nav-list .nav-link {
    padding: 0.7rem 0.9rem;
    border-radius: 12px;
    background: transparent;
  }

  .site-nav-list .nav-link:active,
  .site-nav-list .nav-link:focus-visible {
    background: rgba(122, 162, 247, 0.12);
  }
}

.text-muted {
  color: var(--tn-muted-strong) !important;
}

.text-primary {
  color: var(--tn-check) !important;
}

.card-minimal {
  background: var(--tn-surface);
  border: 1px solid var(--tn-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
  border-radius: 18px;
}

.card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  width: 100%;
  margin-left: 0 !important;
}

.card-link:hover {
  border-color: var(--tn-accent);
  transform: translateY(-2px);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

.expertise-card {
  position: relative;
  overflow: hidden;
  background: var(--tn-surface);
  border: 1px solid var(--tn-border);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.18);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

:root[data-bs-theme="light"] .expertise-card {
  background: var(--tn-surface);
  border-color: var(--tn-border);
}

.expertise-card::before {
  content: none;
}

.expertise-card:hover {
  transform: translateY(-4px);
  border-color: var(--tn-accent);
  box-shadow: 0 22px 46px rgba(0, 0, 0, 0.22);
}

.expertise-card .card-body {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding-top: 1.6rem;
  text-align: left;
  align-items: flex-start;
}

.expertise-card .icon-badge {
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 64px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--tn-accent);
  background: rgba(255, 158, 100, 0.12);
  border-right: 1px solid rgba(255, 158, 100, 0.3);
  border-bottom: 1px solid rgba(255, 158, 100, 0.3);
  clip-path: polygon(0 0, 100% 0, 0 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
  z-index: 2;
}

.expertise-card .icon-badge i {
  transform: translate(-10px, -10px);
  font-size: 0.9rem;
}

.expertise-card h3 {
  margin-top: 0;
  align-self: flex-end;
  text-align: right;
  letter-spacing: 0.12em;
  font-weight: 600;
  color: var(--tn-muted);
}

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

.btn-primary:hover {
  background-color: var(--tn-accent-strong);
  border-color: var(--tn-accent-strong);
}

.btn-outline-secondary {
  color: var(--tn-fg);
  border-color: var(--tn-border);
}

.btn-outline-secondary:hover {
  color: var(--tn-bg);
  background-color: var(--tn-fg);
  border-color: var(--tn-fg);
}

.btn-outline-secondary:hover {
  color: var(--tn-bg);
  background-color: var(--tn-fg);
  border-color: var(--tn-fg);
}

.pill-button {
  border-radius: 999px;
  padding-left: 1rem;
  padding-right: 1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--tn-border);
  background: var(--tn-surface);
  color: var(--tn-muted);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.section {
  padding: 4rem 2rem;
}

.section-alt {
  background: var(--tn-surface-soft);
  border-radius: 24px;
  padding: 4rem 2rem;
}

.wave-top {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.wave-bottom {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.section-header {
  max-width: 640px;
}

.section-wave {
  margin: 0;
  line-height: 0;
}

.section-wave svg {
  width: 100%;
  height: 80px;
  display: block;
  color: var(--tn-surface-soft);
}

.section-wave svg path {
  fill: currentColor;
}

.section-wave-flip svg {
  transform: rotate(180deg);
}

.section-wave + .section,
.section-wave + .section-alt {
  margin-top: -1px;
}

.hero-section {
  padding-top: 3rem;
  padding-left: 0;
  padding-right: 0;
}

.hero-intro {
  display: flex;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-avatar-wrap {
  width: 140px;
  height: 140px;
  padding: 6px;
  border-radius: 999px;
  background: radial-gradient(
      circle at 30% 20%,
      rgba(122, 162, 247, 0.35),
      transparent 55%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(255, 158, 100, 0.35),
      transparent 55%
    );
  border: 1px solid var(--tn-border);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  order: 2;
  margin-left: auto;
}

.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  object-fit: cover;
  background: var(--tn-surface);
  border: 1px solid var(--tn-border);
}

.hero-intro-text {
  flex: 1 1 320px;
  order: 1;
}

@media (max-width: 768px) {
  .hero-intro {
    align-items: center;
    text-align: left;
  }

  .hero-avatar-wrap {
    width: 104px;
    height: 104px;
    margin-left: 0;
  }

  .hero-avatar {
    border-radius: 999px;
  }
}

.hero-card {
  background: linear-gradient(160deg, rgba(36, 40, 59, 0.9), rgba(26, 27, 38, 0.9));
  border-radius: 24px;
  border: 1px solid var(--tn-border);
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.25);
  padding: 2rem;
  position: relative;
  overflow: visible;
}

:root[data-bs-theme="light"] .hero-card {
  background: linear-gradient(160deg, rgba(225, 226, 231, 0.95), rgba(236, 238, 243, 0.95));
}

.hero-card-inner {
  background: rgba(0, 0, 0, 0.05);
  border-radius: 20px;
  padding: 1.75rem;
}

:root[data-bs-theme="light"] .hero-card-inner {
  background: rgba(55, 96, 191, 0.06);
}

.hero-intro {
  display: flex;
  align-items: flex-start;
}

.hero-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.hero-avatar-float {
  position: absolute;
  top: 10px;
  left: -48px;
  width: 96px;
  height: 96px;
  padding: 5px;
  border-radius: 999px;
  background: radial-gradient(
      circle at 30% 20%,
      rgba(122, 162, 247, 0.35),
      transparent 55%
    ),
    radial-gradient(
      circle at 80% 80%,
      rgba(255, 158, 100, 0.35),
      transparent 55%
    );
  border: 1px solid var(--tn-border);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
}

.hero-avatar {
  width: 100%;
  height: 100%;
  border-radius: 999px;
  object-fit: cover;
  background: var(--tn-surface);
  border: 1px solid var(--tn-border);
}

.hero-intro-text {
  flex: 1 1 320px;
}

@media (max-width: 992px) {
  .hero-avatar-float {
    top: 10px;
    left: -38px;
    width: 86px;
    height: 86px;
  }
}

@media (max-width: 576px) {
  .hero-card {
    padding-top: 3.5rem;
  }

  .hero-avatar-float {
    top: -30px;
    left: 50%;
    width: 76px;
    height: 76px;
    transform: translateX(-50%);
  }
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
}

.stat {
  background: rgba(0, 0, 0, 0.08);
  border-radius: 14px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--tn-border);
}

:root[data-bs-theme="light"] .stat {
  background: rgba(255, 255, 255, 0.8);
}

.stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tn-muted-strong);
  margin-bottom: 0.2rem;
}

.stat-value {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
}

.stat-value-available {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #2ebf74;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.stat-value-available::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #2ebf74;
  box-shadow: 0 0 10px rgba(46, 191, 116, 0.5);
}

.badge-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--tn-border);
  background: var(--tn-surface);
  color: var(--tn-fg);
  text-decoration: none;
  font-size: 0.9rem;
}

.badge-link:hover {
  border-color: var(--tn-accent);
  color: var(--tn-accent);
}

.badge-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background: rgba(255, 158, 100, 0.12);
  color: var(--tn-accent);
  font-size: 0.85rem;
}

.badge-label {
  font-size: 0.85rem;
  letter-spacing: 0.02em;
}

.badge-link-lg {
  padding: 0.6rem 1rem;
  border-radius: 16px;
  background: var(--tn-surface-soft);
  font-size: 1rem;
}

.badge-link-lg .badge-icon {
  width: 32px;
  height: 32px;
  font-size: 0.95rem;
}

.badge-link-lg .badge-label {
  font-size: 0.95rem;
}

.contact-social {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem;
}

.contact-social .badge-link {
  width: 100%;
  position: relative;
  justify-content: center;
  padding: 0.55rem 0.9rem 0.55rem 2.2rem;
}

.contact-social .badge-icon {
  position: absolute;
  left: 0.65rem;
}

.contact-social .badge-label {
  text-align: center;
  flex: 1;
}

.contact-separator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0 0.25rem;
  color: var(--tn-muted-strong);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
}

.contact-separator::before,
.contact-separator::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
}

:root[data-bs-theme="light"] .contact-separator::before,
:root[data-bs-theme="light"] .contact-separator::after {
  background: linear-gradient(
    90deg,
    transparent,
    rgba(15, 23, 42, 0.18),
    transparent
  );
}

.page-hero {
  padding: 0 0 1.5rem 0;
  border-radius: 0;
  background: transparent;
  border: none;
}


@media (max-width: 991px) {
  .section {
    padding: 3rem 1.25rem;
  }

  .section-alt {
    padding: 2.5rem 1.25rem;
  }

  .page-hero {
    padding: 0 0 1.25rem 0;
  }
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--tn-muted-strong);
  font-size: 0.9rem;
}

.meta-small {
  font-size: 0.8rem;
}

.breadcrumbs {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--tn-muted-strong);
  margin-bottom: 1.25rem;
}

.breadcrumbs a {
  color: var(--tn-muted-strong);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--tn-accent);
}

.scroll-top {
  position: fixed;
  right: calc(24px + env(safe-area-inset-right));
  bottom: calc(24px + env(safe-area-inset-bottom));
  border: 1px solid var(--tn-border);
  background: var(--tn-surface);
  color: var(--tn-fg);
  width: 42px;
  height: 42px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
  z-index: 1040;
  touch-action: manipulation;
}

.scroll-top.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 2rem;
}

.page-link {
  text-decoration: none;
  color: var(--tn-fg);
  border: 1px solid var(--tn-border);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  background: var(--tn-surface);
}

.page-link:hover {
  border-color: var(--tn-accent);
  color: var(--tn-accent);
}

.page-status {
  color: var(--tn-muted-strong);
  font-size: 0.9rem;
}

.post-nav {
  display: grid;
  gap: 1rem;
  margin-top: 2.5rem;
}

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

@media (max-width: 767px) {
  .post-nav--two {
    grid-template-columns: 1fr;
  }
}

.post-nav-link {
  display: grid;
  gap: 0.25rem;
  text-decoration: none;
  border: 1px solid var(--tn-border);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  background: var(--tn-surface);
  color: var(--tn-fg);
}

.post-nav-link:hover {
  border-color: var(--tn-accent);
  color: var(--tn-accent);
}

.post-nav-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tn-muted);
}

.post-nav-title {
  font-weight: 600;
}

.search-box {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.4rem;
  max-width: 640px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.search-box--wide {
  max-width: 100%;
}
.search-box .form-control {
  width: 100%;
  justify-self: stretch;
  background: var(--tn-surface);
  border: 1px solid var(--tn-border);
  color: var(--tn-fg);
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  box-shadow: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-box .form-control:focus {
  border-color: var(--tn-accent);
  box-shadow: 0 0 0 0.2rem rgba(255, 158, 100, 0.16);
}

.search-box .form-control::placeholder {
  color: var(--tn-muted);
}

.search-results {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-top: 2rem;
}

.search-card {
  height: 100%;
}

.search-meta {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tn-muted);
  justify-self: end;
  white-space: nowrap;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
}

.article-grid.has-aside {
  grid-template-columns: minmax(0, 1fr) 280px;
}

.article-main {
  max-width: 100%;
  width: 100%;
}

.article-aside {
  position: relative;
}

.experience-hero {
  background: linear-gradient(150deg, rgba(36, 40, 59, 0.85), rgba(26, 27, 38, 0.9));
  border: 1px solid var(--tn-border);
  border-radius: 22px;
  padding: 2rem;
  display: grid;
  gap: 1rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.2);
}

:root[data-bs-theme="light"] .experience-hero {
  background: linear-gradient(150deg, rgba(225, 226, 231, 0.96), rgba(236, 238, 243, 0.96));
}

.experience-hero__badge {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--tn-accent);
}

.experience-hero__title {
  font-size: clamp(1.6rem, 2.4vw, 2.2rem);
  margin: 0;
}

.experience-hero__meta {
  color: var(--tn-muted);
  margin: 0;
}

.experience-hero__pitch {
  margin: 0;
  max-width: 70ch;
}

.experience-hero__highlights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.8rem;
}

.experience-highlight {
  border: 1px solid var(--tn-border);
  border-radius: 16px;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.08);
  display: grid;
  gap: 0.35rem;
}

:root[data-bs-theme="light"] .experience-highlight {
  background: rgba(255, 255, 255, 0.7);
}

.experience-highlight__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--tn-muted);
}

.experience-highlight__value {
  font-weight: 600;
}

.experience-chipset {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.experience-chip {
  border: 1px solid rgba(122, 162, 247, 0.55);
  background: rgba(122, 162, 247, 0.12);
  color: #7aa2f7;
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 0.8rem;
  font-weight: 600;
}

:root[data-bs-theme="light"] .experience-chip {
  border-color: rgba(46, 125, 233, 0.5);
  background: rgba(46, 125, 233, 0.12);
  color: #2e7de9;
}

.experience-timeline {
  margin-top: 2.5rem;
  display: grid;
  gap: 1.4rem;
  position: relative;
  --experience-card-padding: 1.6rem;
}

.experience-timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(122, 162, 247, 0.5),
    transparent
  );
}

.experience-timeline__item {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 1.2rem;
  align-items: start;
}

.experience-timeline__marker {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #7aa2f7;
  box-shadow: 0 0 12px rgba(122, 162, 247, 0.6);
  position: relative;
  top: calc(var(--experience-card-padding) + 0.15rem);
  align-self: start;
  left: 0.7rem;
}

.experience-timeline__content {
  width: 100%;
}

@media (min-width: 992px) {
  .experience-timeline__item {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .experience-timeline::before {
    left: 16px;
  }
}

.experience-card {
  border: 1px solid var(--tn-border);
  border-radius: 18px;
  padding: var(--experience-card-padding, 1.6rem);
  background: var(--tn-surface);
  display: grid;
  gap: 0.85rem;
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.16);
}

.experience-card__header {
  display: grid;
  gap: 0.3rem;
  align-items: start;
}

.experience-card__period {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--tn-muted);
}

.experience-card__role {
  font-weight: 700;
  color: var(--tn-accent);
  font-size: 1rem;
}

.experience-card__company {
  margin: 0.1rem 0 0 !important;
  font-size: 1.1rem;
}

.experience-card__summary {
  margin: 0;
  color: var(--tn-muted);
  line-height: 1.55;
}

.experience-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-card {
  border: 1px solid var(--tn-border);
  border-radius: 18px;
  padding: 1.5rem;
  background: var(--tn-surface);
  display: grid;
  gap: 0.9rem;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.project-card--link {
  text-decoration: none;
  color: inherit;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card--link:hover {
  border-color: var(--tn-accent);
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

.project-card__header {
  display: grid;
  gap: 0.2rem;
}

.project-card__role {
  margin: 0;
  color: var(--tn-muted);
  font-size: 0.9rem;
}

.project-card__summary {
  margin: 0;
  color: var(--tn-muted);
}

.project-card__metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-metric {
  border: 1px solid rgba(255, 158, 100, 0.45);
  border-radius: 12px;
  padding: 0.35rem 0.7rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tn-accent);
  background: rgba(255, 158, 100, 0.12);
}

:root[data-bs-theme="light"] .project-metric {
  background: rgba(255, 158, 100, 0.16);
}

.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-card__link {
  justify-self: start;
  text-decoration: none;
  color: var(--tn-accent);
  font-weight: 600;
}

.project-card__link:hover {
  color: var(--tn-accent-strong);
}

.experience-footer {
  margin-top: 3rem;
  border-top: 1px solid var(--tn-border);
  padding-top: 2rem;
}

.project-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 2rem;
}

.project-aside {
  position: relative;
}

.project-meta-card {
  border: 1px solid var(--tn-border);
  border-radius: 18px;
  padding: 1.5rem;
  background: var(--tn-surface);
  display: grid;
  gap: 1.25rem;
  position: sticky;
  top: 1.5rem;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.22);
}

:root[data-bs-theme="light"] .project-meta-card {
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.12);
}

.project-meta-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--tn-accent);
  margin: 0;
  font-weight: 700;
  padding-bottom: 0.6rem;
  border-bottom: none;
  position: relative;
}

.project-meta-title::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 0.6rem;
  background: linear-gradient(
    90deg,
    transparent,
    var(--tn-border),
    transparent
  );
}

.project-meta-list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
}

.project-meta-list div {
  display: grid;
  gap: 0.2rem;
}

.project-meta-list dt {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tn-muted);
}

.project-meta-list dd {
  margin: 0;
  font-weight: 600;
}

.project-meta-section {
  display: grid;
  gap: 0.6rem;
}

.project-meta-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tn-muted);
  margin: 0;
}

.project-meta-metrics,
.project-meta-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.project-meta-stack .experience-chip {
  background: rgba(122, 162, 247, 0.18) !important;
  border-color: rgba(122, 162, 247, 0.8) !important;
  color: #7aa2f7 !important;
  font-weight: 700;
}

:root[data-bs-theme="light"] .project-meta-stack .experience-chip {
  background: rgba(46, 125, 233, 0.18) !important;
  border-color: rgba(46, 125, 233, 0.7) !important;
}

.project-meta-link {
  text-decoration: none;
  color: var(--tn-accent);
  font-weight: 600;
}

.project-meta-link:hover {
  color: var(--tn-accent-strong);
}

@media (max-width: 991px) {
  .project-layout {
    grid-template-columns: 1fr;
  }

  .project-meta-card {
    position: static;
  }
}

.toc {
  position: sticky;
  top: 6rem;
  border: 1px solid var(--tn-border);
  border-radius: 16px;
  padding: 1rem;
  background: transparent;
}

.toc-title {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--tn-muted);
  margin-bottom: 0.75rem;
}

.toc nav,
.toc #TableOfContents {
  font-size: 0.9rem;
}

.toc ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.toc a {
  color: var(--tn-fg);
  text-decoration: none;
}

.toc a:hover {
  color: var(--tn-accent);
}

/* Code blocks (Tokyo Night inspired) */
pre,
code,
.chroma {
  font-family: "Fira Code", "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.chroma {
  background: var(--tn-code-bg);
  color: var(--tn-code-fg);
  border: 1px solid var(--tn-code-border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
}

pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.chroma .k,
.chroma .kd,
.chroma .kn,
.chroma .kp,
.chroma .kr,
.chroma .kt {
  color: #7aa2f7;
}

.chroma .s,
.chroma .sa,
.chroma .sb,
.chroma .sc,
.chroma .dl,
.chroma .sd,
.chroma .s2,
.chroma .se,
.chroma .sh,
.chroma .si,
.chroma .sx,
.chroma .sr,
.chroma .s1,
.chroma .ss {
  color: #9ece6a;
}

.chroma .m,
.chroma .mb,
.chroma .mf,
.chroma .mh,
.chroma .mi,
.chroma .il,
.chroma .mo {
  color: #ff9e64;
}

.chroma .c,
.chroma .c1,
.chroma .cm,
.chroma .ch,
.chroma .cs,
.chroma .cp,
.chroma .cpf {
  color: #565f89;
}

.chroma .na,
.chroma .nb,
.chroma .nc,
.chroma .nd,
.chroma .ne,
.chroma .nf,
.chroma .nt,
.chroma .nv {
  color: #bb9af7;
}

.chroma .o,
.chroma .ow,
.chroma .p {
  color: #89ddff;
}

.chroma .gd {
  color: #f7768e;
  background: rgba(247, 118, 142, 0.08);
}

.chroma .gi {
  color: #9ece6a;
  background: rgba(158, 206, 106, 0.08);
}

.code-block {
  position: relative;
}

.code-block .code-copy {
  position: absolute;
  top: 12px;
  right: 12px;
  border: 1px solid var(--tn-code-border);
  background: rgba(0, 0, 0, 0.25);
  color: var(--tn-code-fg);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  display: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.15s ease;
}

.code-block:hover .code-copy,
.code-block:focus-within .code-copy {
  display: inline-flex;
  opacity: 1;
  pointer-events: auto;
}

.code-block .code-copy:hover {
  border-color: var(--tn-accent);
  color: var(--tn-accent);
}

.code-block .code-copy.is-copied {
  border-color: var(--tn-highlight);
  color: var(--tn-highlight);
}

.mermaid {
  background: var(--tn-code-bg);
  border: 1px solid var(--tn-code-border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  overflow-x: auto;
}

@media (max-width: 991px) {
  .article-grid.has-aside {
    grid-template-columns: minmax(0, 1fr);
  }

  .article-main {
    max-width: 100%;
  }

  .toc {
    position: static;
  }
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--tn-border);
  background: var(--tn-surface);
  color: var(--tn-muted);
  font-size: 0.75rem;
  text-decoration: none;
}

.contact-section .card {
  background: linear-gradient(140deg, rgba(36, 40, 59, 0.9), rgba(26, 27, 38, 0.95));
}

:root[data-bs-theme="light"] .contact-section .card {
  background: linear-gradient(140deg, rgba(225, 226, 231, 0.98), rgba(236, 238, 243, 0.98));
}

.contact-form .form-label {
  color: var(--tn-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-form .form-control {
  background: var(--tn-surface);
  border: 1px solid var(--tn-border);
  color: var(--tn-fg);
  border-radius: 14px;
  padding: 0.7rem 0.9rem;
}

.contact-form .form-control::placeholder {
  color: var(--tn-muted);
}

.contact-form .form-control:focus {
  border-color: var(--tn-accent);
  box-shadow: 0 0 0 0.2rem rgba(255, 158, 100, 0.2);
}

.form-note {
  font-size: 0.85rem;
}

.footer {
  border-top: none;
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    var(--tn-border),
    transparent
  );
}

.content-body h2,
.content-body h3 {
  margin-top: 2rem;
}

.content-body a {
  color: var(--tn-accent);
}

.content-body p {
  margin-bottom: 1.2rem;
}

.content-body h1,
.content-body h2,
.content-body h3,
.content-body h4,
.content-body h5,
.content-body h6 {
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
}

.content-body a {
  color: var(--tn-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.content-body a:hover {
  border-bottom-color: var(--tn-accent);
}

.content-body ul,
.content-body ol {
  padding-left: 1.25rem;
  margin-bottom: 1.25rem;
}

.content-body li {
  margin-bottom: 0.4rem;
}

.content-body blockquote {
  border-left: 3px solid var(--tn-accent);
  margin: 1.5rem 0;
  padding: 0.75rem 1rem;
  color: var(--tn-muted);
  background: var(--tn-surface-soft);
  border-radius: 12px;
}

.content-body hr {
  border: none;
  border-top: 1px solid var(--tn-border);
  margin: 2rem 0;
}

.content-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.content-body th,
.content-body td {
  border: 1px solid var(--tn-border);
  padding: 0.65rem 0.8rem;
  text-align: left;
}

.content-body th {
  background: var(--tn-surface-soft);
  color: var(--tn-fg);
}

.content-body img {
  max-width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--tn-border);
  margin: 1.5rem 0;
}

.content-body iframe {
  border-radius: 16px;
  border: 1px solid var(--tn-border);
  background: var(--tn-surface);
}

.content-body :not(pre) > code {
  background: var(--tn-surface-soft);
  border: 1px solid var(--tn-border);
  border-radius: 6px;
  padding: 0.1rem 0.35rem;
  font-size: 0.9em;
  color: var(--tn-fg);
}

.content-body pre {
  margin: 1.5rem 0;
  background: var(--tn-code-bg);
  color: var(--tn-code-fg);
  border: 1px solid var(--tn-code-border);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
  overflow-x: auto;
}

.content-body pre code {
  background: transparent;
  color: inherit;
}

.content-body details {
  margin: 1.5rem 0;
  border: 1px solid var(--tn-border);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  background: var(--tn-surface-soft);
}

.content-body summary {
  cursor: pointer;
  font-weight: 600;
  padding-bottom: 0.5rem;
}

.content-body details[open] summary {
  border-bottom: 1px solid var(--tn-border);
  margin-bottom: 0.75rem;
}

.content-body details > :not(summary) {
  padding-top: 0.5rem;
}

.content-body details:hover {
  border-color: var(--tn-accent);
}

.callout {
  margin: 1.25rem 0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--tn-border);
  background: rgba(36, 40, 59, 0.35);
  border-left: 3px solid var(--tn-accent);
}

:root[data-bs-theme="light"] .callout {
  background: rgba(236, 238, 243, 0.8);
}

.callout-title {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.callout-body {
  color: var(--tn-muted);
}

.alert-card {
  margin: 1.25rem 0;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid var(--tn-border);
  background: rgba(36, 40, 59, 0.35);
}

.alert-title {
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.alert-body {
  color: var(--tn-muted);
}

.alert-success {
  border-color: rgba(158, 206, 106, 0.35);
  border-left: 3px solid #9ece6a;
  background: rgba(158, 206, 106, 0.12);
}

.alert-warning {
  border-color: rgba(224, 175, 104, 0.35);
  border-left: 3px solid #e0af68;
  background: rgba(224, 175, 104, 0.12);
}

.alert-info {
  border-color: rgba(122, 162, 247, 0.35);
  border-left: 3px solid #7aa2f7;
  background: rgba(122, 162, 247, 0.12);
}

.alert-danger {
  border-color: rgba(247, 118, 142, 0.35);
  border-left: 3px solid #f7768e;
  background: rgba(247, 118, 142, 0.12);
}

strong,
.text-highlight {
  color: var(--tn-highlight);
}