/* Portfolio design system: ../../DESIGN.md */
:root {
  --bg-deep: #0c0e10;
  --glass-bg: color-mix(in srgb, #191c1f 92%, transparent);
  --glass-bg-hover: color-mix(in srgb, #202327 95%, transparent);
  --glass-bg-strong: color-mix(in srgb, #282c30 96%, transparent);
  --glass-border: color-mix(in srgb, #737b81 34%, transparent);
  --glass-border-top: color-mix(in srgb, #b0b5b9 42%, transparent);
  --glass-border-hover: #626a72;
  --glass-highlight: color-mix(in srgb, #d9dcde 4%, transparent);
  --glass-blur: 16px;
  --glass-saturate: 100%;
  --glass-float-bg: rgb(255 255 255 / 8%);
  --glass-float-bg-hover: rgb(255 255 255 / 14%);
  --glass-float-blur: 32px;
  --glass-float-saturate: 100%;
  --text: #e9eaeb;
  --text-muted: color-mix(in srgb, #cdd1d4 76%, transparent);
  --text-dim: color-mix(in srgb, #afb5b9 60%, transparent);
  --accent: #a2cbb1;
  --accent-dim: #bad9b8;
  --accent-soft: color-mix(in srgb, var(--accent) 13%, transparent);
  --accent-glow: color-mix(in srgb, var(--accent) 18%, transparent);
  --accent-warm: var(--accent);
  --radius: 16px;
  --radius-lg: 22px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --ease-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --transition: 0.4s var(--ease-expo);
  --transition-interactive: 0.5s var(--ease-expo);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", system-ui, sans-serif;
  --max-width: 920px;
  --nav-height: 44px;

  /* z-index scale — 6 levels */
  --z-ground: 0;     /* decorative pseudo-elements, ambient backgrounds */
  --z-surface: 1;    /* base content */
  --z-nav: 100;      /* nav bar, backdrops */
  --z-modal: 200;    /* dropdowns, search, menus */
  --z-overlay: 300;  /* floating tooltips, labels */
  --z-toast: 999;    /* notifications, progress bars */
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

html::-webkit-scrollbar { display: none; }

@media (max-width: 768px), (max-width: 1024px) and (max-height: 480px), (pointer: coarse) {
  * {
    scrollbar-width: none !important;
    -ms-overflow-style: none !important;
  }

  *::-webkit-scrollbar {
    display: none !important;
    width: 0;
    height: 0;
  }
}

[id] {
  scroll-margin-top: calc(var(--nav-height) + 1.5rem);
}

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg-deep);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.ambient-bg {
  position: fixed;
  inset: 0;
  z-index: var(--z-ground);
  overflow: hidden;
  pointer-events: none;
  contain: strict;
  transform: translateZ(0);
}

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

a:hover {
  color: var(--accent-dim);
}

img {
  max-width: 100%;
  display: block;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-border-top);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.glass-panel::before { content: none; }

.glass-panel > * {
  position: relative;
  z-index: var(--z-surface);
}

.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: var(--z-surface);
}

main {
  flex: 1;
  padding: calc(var(--nav-height) + 2.75rem) 1.25rem 4rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  width: 100%;
}

.nav {
  position: fixed;
  top: 1.15rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: var(--z-nav);
  pointer-events: none;
  padding: 0 1rem;
}

.nav-dock {
  pointer-events: auto;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.3rem;
  background: color-mix(in srgb, white 3%, transparent);
  backdrop-filter: blur(4px) saturate(160%);
  -webkit-backdrop-filter: blur(4px) saturate(160%);
  border: 1px solid color-mix(in srgb, white 12%, transparent);
  border-top-color: color-mix(in srgb, white 20%, transparent);
  border-bottom-color: color-mix(in srgb, white 5%, transparent);
  border-radius: var(--radius-pill);
  transition: border-color 0.45s var(--ease-expo),
              background 0.45s var(--ease-expo);
  isolation: isolate;
  overflow: visible;
}

.nav-dock::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, white 10%, transparent) 0%,
      color-mix(in srgb, white 2%, transparent) 20%,
      transparent 45%
    );
  pointer-events: none;
  border-radius: inherit;
  z-index: var(--z-ground);
}

.nav-dock::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(
    from 180deg at 50% 0%,
    color-mix(in srgb, #d9dcde 4%, transparent),
    color-mix(in srgb, var(--accent) 7%, transparent),
    color-mix(in srgb, #d9dcde 4%, transparent),
    color-mix(in srgb, var(--accent) 7%, transparent),
    color-mix(in srgb, #d9dcde 4%, transparent)
  );
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.6s var(--ease-expo);
  pointer-events: none;
  z-index: var(--z-ground);
}

.nav-dock:hover::after {
  opacity: 1;
}

.nav-dock > * {
  position: relative;
  z-index: var(--z-surface);
}

.nav-brand {
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  padding: 0.48rem 0.85rem 0.48rem 1rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  max-width: 11rem;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition), background var(--transition);
  position: relative;
}

.nav-brand-icon {
  width: 16px;
  height: 16px;
  margin-right: 6px;
  vertical-align: middle;
  border-radius: 3px;
  display: inline-block;
}

.nav-brand:hover {
  color: var(--text);
  background: color-mix(in srgb, white 6%, transparent);
}

.nav-divider {
  width: 1px;
  height: 1.2rem;
  background: color-mix(in srgb, white 14%, transparent);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 0.15rem;
  list-style: none;
}

.nav-links li {
  display: flex;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  padding: 0.48rem 0.82rem;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition),
              border-color var(--transition);
}

.nav-links a:hover {
  color: var(--text);
  background: color-mix(in srgb, white 6%, transparent);
}

.nav-links a.active {
  color: var(--text);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, white 12%, transparent) 0%,
    color-mix(in srgb, white 6%, transparent) 60%,
    transparent 100%
  );
  border-color: color-mix(in srgb, white 12%, transparent);
}

.nav-share {
  position: relative;
}

.nav-share.is-open {
  z-index: 2;
}

.nav-share-btn,
.nav-settings-btn,
.nav-search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.15rem;
  height: 2.15rem;
  padding: 0;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}

.nav-share-btn svg,
.nav-settings-btn svg,
.nav-search-btn svg {
  width: 15px;
  height: 15px;
}

/* Desktop action button tooltip */
@media (min-width: 901px) {
  .nav-share-btn .nav-action-row-label,
  .nav-settings-btn .nav-action-row-label,
  .nav-search-btn .nav-action-row-label {
    display: block;
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%) scale(0.92);
    padding: 4px 10px;
    font-size: 0.68rem;
    font-weight: 500;
    white-space: nowrap;
    letter-spacing: 0.02em;
    background: rgba(14, 14, 18, 0.94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid color-mix(in srgb, white 10%, transparent);
    border-top-color: color-mix(in srgb, white 18%, transparent);
    border-radius: 6px;
    color: var(--text-muted);
    z-index: var(--z-overlay);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.18s ease, transform 0.18s var(--ease-expo);
  }

  .nav-share-btn:hover .nav-action-row-label,
  .nav-settings-btn:hover .nav-action-row-label,
  .nav-share-btn:focus-visible .nav-action-row-label,
  .nav-settings-btn:focus-visible .nav-action-row-label,
  .nav-search-btn:hover .nav-action-row-label,
  .nav-search-btn:focus-visible .nav-action-row-label {
    opacity: 1;
    transform: translateX(-50%) scale(1);
  }

  .nav-share-btn,
  .nav-settings-btn,
  .nav-search-btn {
    position: relative;
  }

  .nav-search-btn .nav-action-row-label::after {
    content: " (" attr(data-shortcut) ")";
  }
}

.nav-share-btn:hover,
.nav-share-btn[aria-expanded="true"],
.nav-settings-btn:hover,
.nav-settings-btn[aria-expanded="true"],
.nav-search-btn:hover,
.nav-search-btn:focus-visible {
  color: var(--text);
  background: color-mix(in srgb, white 8%, transparent);
}

.nav-share-menu {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  width: min(17rem, calc(100vw - 2rem));
  padding: 0.85rem;
  background: rgba(18, 18, 22, 0.92);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid color-mix(in srgb, white 14%, transparent);
  border-top-color: color-mix(in srgb, white 24%, transparent);
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45),
              0 1px 0 color-mix(in srgb, white 8%, transparent) inset;
  z-index: var(--z-modal);
  transform-origin: top right;
  text-align: center;
}

.nav-share-menu[hidden] {
  display: none !important;
}

.nav-share-menu:not([hidden]) {
  animation: menu-rise 0.35s var(--ease-expo) both;
}

.nav-share-label {
  margin: 0 0 0.65rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.nav-share-qr {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 152px;
  margin: 0 auto 0.65rem;
  padding: 0.35rem;
  background: #fff;
  border-radius: calc(var(--radius-sm) - 2px);
}

.nav-share-spinner {
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid rgb(10 10 12 / 18%);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: nav-share-spin 0.7s linear infinite;
}

@keyframes nav-share-spin {
  to {
    transform: rotate(360deg);
  }
}

.nav-share-qr img,
.nav-share-qr canvas,
.nav-share-qr svg {
  display: block;
  max-width: 100%;
  height: auto;
}

[data-qr-zoom] {
  cursor: zoom-in;
  touch-action: manipulation;
}

[data-qr-zoom]:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.qr-zoom-dialog {
  position: fixed;
  inset: 0;
  box-sizing: border-box;
  width: 100vw;
  height: 100vh;
  height: 100dvh;
  max-width: none;
  max-height: none;
  margin: 0;
  padding: 1rem;
  border: 0;
  background: transparent;
  cursor: zoom-out;
}

.qr-zoom-dialog[open] {
  display: grid;
  place-items: center;
}

.qr-zoom-dialog::backdrop {
  background: rgb(5 6 8 / 88%);
  cursor: zoom-out;
}

.qr-zoom-frame {
  display: grid;
  place-items: center;
  padding: clamp(0.75rem, 3vmin, 1.25rem);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 24px 80px rgb(0 0 0 / 40%);
  cursor: zoom-out;
}

.qr-zoom-frame > svg,
.qr-zoom-frame > canvas,
.qr-zoom-frame > img {
  display: block;
  width: min(78vw, 68vh, 560px);
  width: min(78vw, 68dvh, 560px);
  height: min(78vw, 68vh, 560px);
  height: min(78vw, 68dvh, 560px);
  max-width: 100%;
  object-fit: contain;
}

.nav-share-url {
  margin: 0 0 0.65rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  word-break: break-all;
}

.nav-share-copy {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid color-mix(in srgb, white 12%, transparent);
  border-radius: calc(var(--radius-sm) - 2px);
  background: color-mix(in srgb, white 6%, transparent);
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition);
}

.nav-share-copy:hover {
  background: color-mix(in srgb, white 10%, transparent);
}

.nav-share-copy.is-copied {
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--accent);
}

.nav-share-fallback {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-share-fallback a {
  color: var(--accent);
}

.nav-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.1rem;
  flex-shrink: 0;
}

.nav-action-row-btn {
  color: inherit;
  font: inherit;
}

.nav-action-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-action-row-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.nav-action-row-icon svg {
  width: 15px;
  height: 15px;
}

.nav-action-row-label,
.nav-action-row-chevron {
  display: none;
}

.nav-settings {
  position: relative;
}

.nav-settings.is-open {
  z-index: 2;
}

.nav-settings-menu[hidden] {
  display: none !important;
}

.nav-settings-menu {
  position: absolute;
  top: calc(100% + 0.55rem);
  right: 0;
  min-width: 15.5rem;
  padding: 0.45rem;
  background: rgba(18, 18, 22, 0.92);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid color-mix(in srgb, white 14%, transparent);
  border-top-color: color-mix(in srgb, white 24%, transparent);
  border-radius: var(--radius-sm);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.45),
              0 1px 0 color-mix(in srgb, white 8%, transparent) inset;
  z-index: var(--z-modal);
  transform-origin: top right;
}

.nav-settings-menu:not([hidden]) {
  animation: menu-rise 0.35s var(--ease-expo) both;
}

@keyframes menu-rise {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.nav-settings-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 0.8rem;
  border-radius: calc(var(--radius-sm) - 2px);
  cursor: pointer;
  transition: background var(--transition);
}

.nav-settings-divider {
  height: 0;
  margin: 0.25rem 0.8rem;
  border: 0;
  border-top: 1px solid color-mix(in srgb, white 8%, transparent);
}

.nav-settings-item:hover {
  background: color-mix(in srgb, white 6%, transparent);
}

.nav-settings-item-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 0;
}

.nav-settings-item-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text);
}

.nav-settings-item-hint {
  font-size: 0.72rem;
  color: var(--text-dim);
  line-height: 1.35;
}

.nav-external-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-external-link svg {
  width: 14px;
  height: 14px;
  opacity: 0.72;
  flex-shrink: 0;
  transition: opacity var(--transition), transform var(--transition-interactive);
}

.nav-external-links a:hover svg {
  opacity: 1;
  transform: translateY(-1px) scale(1.15);
  color: var(--accent);
}

.nav-body {
  display: flex;
  align-items: center;
  gap: 0.2rem;
}

.nav-menu-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: none;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}

.nav-menu-label {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
}

.nav-menu-btn:hover,
.nav-dock.is-menu-open .nav-menu-btn {
  color: var(--text);
  background: color-mix(in srgb, white 8%, transparent);
}

.nav-menu-icon {
  width: 18px;
  height: 18px;
}

.nav-menu-line {
  transition: transform 0.4s var(--ease-expo),
              opacity 0.2s ease 0.05s,
              width 0.25s ease 0.05s;
  transform-origin: center;
}

.nav-dock.is-menu-open .nav-menu-line--top {
  transform: translateY(5px) rotate(45deg) scaleX(1.08);
}

.nav-dock.is-menu-open .nav-menu-line--mid {
  opacity: 0;
  width: 0;
  transition: opacity 0.1s ease, width 0.2s ease;
}

.nav-dock.is-menu-open .nav-menu-line--bot {
  transform: translateY(-5px) rotate(-45deg) scaleX(1.08);
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: var(--z-nav);
  background: rgba(4, 4, 8, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-expo),
              backdrop-filter 0.4s ease;
  -webkit-transition: opacity 0.4s var(--ease-expo),
              -webkit-backdrop-filter 0.4s ease;
}

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

html.nav-menu-open {
  overflow: hidden;
}

@media (max-width: 900px) {
  :root {
    --nav-height: 52px;
  }

  .nav {
    z-index: 10001;
    top: max(0.65rem, env(safe-area-inset-top, 0px));
    left: 0;
    right: 0;
    padding: 0 0.75rem;
    justify-content: stretch;
  }

  .nav-dock {
    width: 100%;
    max-width: 100%;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.35rem;
    padding: 0.35rem 0.4rem 0.35rem 0.55rem;
    border-radius: var(--radius-lg);
  }

  /* Keep the server-rendered desktop links out of the mobile bar until JS
     moves them into the collapsible .nav-body panel. */
  .nav-dock > .nav-divider,
  .nav-dock > .nav-links,
  .nav-dock > .nav-actions {
    display: none;
  }

  .nav-brand {
    flex: 1;
    min-width: 0;
    max-width: none;
    padding: 0.55rem 0.75rem;
    font-size: 0.875rem;
  }

  .nav-menu-btn {
    display: inline-flex;
    width: auto;
    gap: 0.55rem;
    padding-inline: 0.8rem;
    flex-shrink: 0;
  }

  .nav-body {
    display: none;
    position: fixed;
    pointer-events: auto;
    top: calc(max(0.65rem, env(safe-area-inset-top, 0px)) + var(--nav-height) + 0.45rem);
    left: 0.75rem;
    right: 0.75rem;
    width: auto;
    max-height: min(calc(100dvh - var(--nav-height) - 1.25rem), 36rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    z-index: var(--z-modal);
    flex-direction: column;
    align-items: stretch;
    gap: 0.35rem;
    padding: 0.5rem;
    margin: 0;
    background: color-mix(in srgb, white 8%, transparent);
    backdrop-filter: blur(6px) saturate(160%);
    -webkit-backdrop-filter: blur(6px) saturate(160%);
    border: 1px solid color-mix(in srgb, white 12%, transparent);
    border-top-color: color-mix(in srgb, white 18%, transparent);
    border-radius: var(--radius-lg);
    box-shadow:
      0 2px 6px rgba(0, 0, 0, 0.15),
      0 12px 32px rgba(0, 0, 0, 0.18),
      0 1px 0 color-mix(in srgb, white 10%, transparent) inset;
  }

  .nav-dock.is-menu-open + .nav-body {
    display: flex;
    animation: nav-panel-rise 0.4s var(--ease-expo) both;
  }

  .nav-dock.is-menu-open + .nav-body > * {
    animation: nav-stagger-in 0.5s var(--ease-expo) both;
  }

  .nav-dock.is-menu-open + .nav-body > *:nth-child(1) { animation-delay: 0.00s; }
  .nav-dock.is-menu-open + .nav-body > *:nth-child(2) { animation-delay: 0.04s; }
  .nav-dock.is-menu-open + .nav-body > *:nth-child(3) { animation-delay: 0.08s; }
  .nav-dock.is-menu-open + .nav-body > *:nth-child(4) { animation-delay: 0.12s; }
  .nav-dock.is-menu-open + .nav-body > *:nth-child(5) { animation-delay: 0.16s; }
  .nav-dock.is-menu-open + .nav-body > *:nth-child(6) { animation-delay: 0.20s; }

  @keyframes nav-stagger-in {
    from {
      opacity: 0;
      transform: translateY(-4px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes nav-panel-rise {
    from {
      opacity: 0;
      transform: translateY(-6px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-body .nav-divider {
    display: none;
  }

  .nav-body .nav-section-label {
    display: block;
    padding: 0.5rem 0.9rem 0;
    color: var(--text-dim);
    font-size: 0.66rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    line-height: 1.35;
    text-transform: uppercase;
  }

  .nav-body .nav-section-label--profiles,
  .nav-body .nav-section-label--tools {
    margin-top: 0.3rem;
    border-top: 1px solid color-mix(in srgb, white 8%, transparent);
    padding-top: 0.7rem;
  }

  .nav-body .nav-links {
    flex-direction: column;
    width: 100%;
    gap: 0.2rem;
  }

  .nav-body .nav-links a,
  .nav-body .nav-settings-item {
    display: flex;
    align-items: center;
    width: 100%;
    min-height: 2.9rem;
    padding: 0.72rem 0.9rem;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    color: var(--text-muted);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
  }

  .nav-body .nav-external-links {
    padding-top: 0;
    border-top: 0;
  }

  .nav-body .nav-external-label {
    display: inline;
  }

  .nav-body .nav-external-links a {
    min-height: 2.9rem;
    gap: 0.55rem;
    padding: 0.72rem 0.9rem;
    border-radius: var(--radius-sm);
  }

  .nav-body .nav-external-link svg {
    width: 16px;
    height: 16px;
  }

  .nav-body .nav-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    width: 100%;
    padding-top: 0;
    border-top: 0;
  }

  .nav-body .nav-share,
  .nav-body .nav-settings,
  .nav-body .nav-search {
    width: 100%;
    position: static;
  }

  .nav-body .nav-share-btn,
  .nav-body .nav-settings-btn,
  .nav-body .nav-search-btn {
    width: 100%;
    height: auto;
    padding: 0;
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    justify-content: flex-start;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
  }

  .nav-body .nav-action-row {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.65rem;
    width: 100%;
    min-height: 2.75rem;
    padding: 0.72rem 0.9rem;
    font-size: 0.9375rem;
    font-weight: 500;
    text-align: left;
  }

  .nav-body .nav-action-row-label,
  .nav-body .nav-action-row-chevron {
    display: block;
  }

  .nav-body .nav-action-row-chevron {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    opacity: 0.55;
    transition: transform 0.25s ease, opacity var(--transition);
  }

  .nav-body .nav-share.is-open .nav-action-row,
  .nav-body .nav-settings.is-open .nav-action-row,
  .nav-body .nav-search-btn:active .nav-action-row,
  .nav-body .nav-search-btn:focus-visible .nav-action-row {
    color: var(--text);
    background: color-mix(in srgb, white 6%, transparent);
    border-radius: var(--radius-sm);
  }

  .nav-body .nav-share.is-open .nav-action-row-chevron,
  .nav-body .nav-settings.is-open .nav-action-row-chevron {
    transform: rotate(180deg);
    opacity: 1;
  }

  .nav-body .nav-share-menu,
  .nav-body .nav-settings-menu {
    position: static;
    width: 100%;
    min-width: 0;
    margin: 0.15rem 0 0;
    padding: 0.85rem;
    background: color-mix(in srgb, #17191d 85%, transparent);
    border: 1px solid color-mix(in srgb, white 8%, transparent);
    border-radius: var(--radius-sm);
    box-shadow: none;
    animation: none;
    transform: none;
    z-index: auto;
  }

  .nav-body .nav-share-menu {
    text-align: center;
  }

  .nav-body .nav-share-menu .nav-share-label {
    display: none;
  }

  .nav-body .nav-share-qr {
    min-height: 0;
    margin: 0 auto 0.75rem;
    padding: 0.5rem;
  }

  .nav-body .nav-share-url {
    margin-bottom: 0.75rem;
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    font-family: ui-monospace, "SF Mono", Menlo, monospace;
    color: var(--text);
    background: color-mix(in srgb, white 5%, transparent);
    border: 1px solid color-mix(in srgb, white 8%, transparent);
    border-radius: calc(var(--radius-sm) - 2px);
    word-break: break-all;
  }

  .nav-body .nav-share-copy {
    padding: 0.65rem 0.85rem;
    font-size: 0.875rem;
  }

  .nav-body .nav-settings-menu {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-align: left;
    margin: 0.15rem 0 0;
    padding: 0.5rem;
    box-shadow: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .nav-body .nav-settings-item {
    background: transparent;
  }

  .nav-body .nav-settings-item:hover {
    color: var(--text);
    background: color-mix(in srgb, var(--accent) 9%, #1c2024);
  }

  .nav-body .nav-settings-item-label {
    font-size: inherit;
    color: inherit;
  }

  .nav-body .nav-settings-item-hint {
    display: none;
  }

  .nav-body .nav-settings-divider {
    margin-inline: 0.9rem;
  }
}

@media (min-width: 901px) {
  .nav-backdrop {
    display: none !important;
  }

  .nav-dock .nav-body {
    display: flex;
    align-items: center;
    gap: 0.2rem;
  }
}

@media (max-width: 768px) {
  main,
  .immersive-main > .immersive-inner {
    padding-top: calc(var(--nav-height) + 1.75rem);
  }
}

/* Keep the standalone 403 page's static links visible at tablet widths. */
@media (min-width: 769px) and (max-width: 900px) {
  .nav:not(:has(.nav-menu-btn)) {
    padding: 0 1rem;
    justify-content: center;
  }

  .nav:not(:has(.nav-menu-btn)) .nav-dock {
    width: auto;
    max-width: 100%;
    justify-content: flex-start;
    gap: 0.2rem;
    padding: 0.3rem;
    border-radius: var(--radius-pill);
  }

  .nav:not(:has(.nav-menu-btn)) .nav-dock > .nav-divider {
    display: block;
  }

  .nav:not(:has(.nav-menu-btn)) .nav-dock > .nav-links {
    display: flex;
  }

  .nav:not(:has(.nav-menu-btn)) .nav-brand {
    flex: 0 1 auto;
    min-width: auto;
    max-width: 11rem;
    padding: 0.48rem 0.85rem 0.48rem 1rem;
    font-size: 0.8125rem;
  }

  .nav:not(:has(.nav-menu-btn)) .nav-menu-btn {
    display: none;
  }
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 36px, 0) scale(0.96);
  transition: opacity 0.85s var(--ease-expo),
              transform 0.85s var(--ease-expo);
}

.reveal.visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.stagger-reveal > .reveal {
  transition-delay: 0s;
}

.reveal-left {
  transform: translate3d(-40px, 0, 0) scale(0.96);
}

.reveal-left.visible {
  transform: translate3d(0, 0, 0) scale(1);
}

.reveal-right {
  transform: translate3d(40px, 0, 0) scale(0.96);
}

.reveal-right.visible {
  transform: translate3d(0, 0, 0) scale(1);
}

.reveal-scale {
  transform: scale(0.94);
}

.reveal-scale.visible {
  transform: scale(1);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

html.is-scrolling .reveal.visible {
  transition-duration: 0.35s;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .glass-surface.reveal.visible,
  .project-card.reveal.visible,
  .home-project-card.reveal.visible {
    opacity: 1;
    transform: none;
    will-change: auto;
    transition: none;
    animation: none;
  }

  .nav-settings-menu:not([hidden]) {
    animation: none;
  }

  .nav-dock.is-menu-open + .nav-body {
    animation: none;
  }
}

.hero {
  padding: 2.25rem 2rem 2.5rem;
}

.hero-greeting {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.85rem;
}

.hero-name {
  font-size: clamp(2.25rem, 5.5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 0.45rem;
}

.hero-title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.hero-location {
  font-size: 0.875rem;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
}

.hero-about {
  font-size: 1rem;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 1.75rem;
  line-height: 1.7;
}

.hero-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.highlight-pill {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.38rem 0.9rem;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  border-radius: var(--radius-pill);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.1rem;
  background: color-mix(in srgb, white 6%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid color-mix(in srgb, white 12%, transparent);
  border-top-color: color-mix(in srgb, white 20%, transparent);
  border-radius: var(--radius-pill);
  color: var(--text);
  font-size: 0.8125rem;
  font-weight: 500;
  transition: background var(--transition), border-color var(--transition),
              transform var(--transition-interactive);
}

.link-btn:hover {
  background: color-mix(in srgb, white 11%, transparent);
  border-color: color-mix(in srgb, white 20%, transparent);
  color: var(--text);
  transform: translateY(-2px) scale(1.02);
}

.link-btn svg {
  width: 15px;
  height: 15px;
  opacity: 0.65;
  transition: opacity var(--transition), transform var(--transition-interactive);
}

.link-btn:hover svg {
  opacity: 0.9;
  transform: translateY(-1px);
}

.link-btn-group {
  display: inline-flex;
  align-items: stretch;
}

.link-btn-group .link-btn {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
}

.link-btn-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0 0.7rem;
  background: color-mix(in srgb, white 6%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid color-mix(in srgb, white 12%, transparent);
  border-left: 1px solid color-mix(in srgb, white 8%, transparent);
  border-top-color: color-mix(in srgb, white 20%, transparent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition-interactive);
}

@media (max-width: 768px) {
  .link-btn,
  .link-btn-copy {
    min-height: 44px;
  }
}

.link-btn-copy:hover {
  background: color-mix(in srgb, white 11%, transparent);
  border-color: color-mix(in srgb, white 20%, transparent);
  color: var(--text);
  transform: translateY(-2px) scale(1.02);
}

.link-btn-copy svg {
  width: 14px;
  height: 14px;
  opacity: 0.75;
  transition: opacity var(--transition), transform var(--transition-interactive);
}

.link-btn-copy-status {
  font-size: 0.7rem;
  white-space: nowrap;
}

.link-btn-copy:hover svg {
  opacity: 1;
}

.link-btn-copy.is-copied {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 28%, transparent);
  background: var(--accent-soft);
}

.home-projects {
  margin-top: 2.25rem;
  padding-top: 2rem;
  border-top: 1px solid color-mix(in srgb, white 8%, transparent);
}

.home-projects-intro {
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 1.1rem;
  line-height: 1.55;
}

.home-projects-list {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.home-project-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.85rem 1rem;
  background: color-mix(in srgb, white 3%, transparent);
  border: 1px solid color-mix(in srgb, white 7%, transparent);
  border-radius: var(--radius-sm);
  transition: background var(--transition), border-color var(--transition),
              transform var(--transition-interactive);
}

.home-project-item:hover {
  background: color-mix(in srgb, white 7%, transparent);
  border-color: color-mix(in srgb, white 14%, transparent);
  transform: translateX(4px);
}

.home-project-item-content {
  flex: 1;
  min-width: 0;
}

.home-project-item-title {
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.2rem;
}

.home-project-item-desc {
  font-size: 0.8125rem;
  color: var(--text-dim);
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.home-project-item-arrow {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  background: color-mix(in srgb, white 4%, transparent);
  border: 1px solid color-mix(in srgb, white 8%, transparent);
  border-radius: 8px;
  transition: color var(--transition), background var(--transition),
              border-color var(--transition), transform var(--transition-interactive);
}

.home-project-item-arrow svg {
  width: 13px;
  height: 13px;
}

.home-project-item:hover .home-project-item-arrow {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  transform: translate(2px, -2px);
}

.home-projects-more {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 1.1rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--transition), gap var(--transition);
}

.home-projects-more:hover {
  color: var(--accent);
  gap: 0.55rem;
}

.home-projects-more-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-interactive);
}

.home-projects-more:hover .home-projects-more-arrow {
  transform: translateX(2px);
}

.home-projects-more-arrow svg {
  width: 14px;
  height: 14px;
}

.page-header {
  margin-bottom: 1.75rem;
  padding: 0 0.25rem;
}

.page-title {
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.45rem;
  color: var(--text);
}

.page-subtitle {
  color: var(--text-muted);
  font-size: 0.9375rem;
  max-width: 480px;
  line-height: 1.6;
}

.section-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  padding-left: 0.25rem;
}

.project-card {
  display: block;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-border-top);
  border-radius: var(--radius);
  padding: 1.5rem 1.65rem;
  transition: background var(--transition), border-color var(--transition),
              transform var(--transition-interactive);
  position: relative;
  overflow: hidden;
}

.project-card:hover {
  background: var(--glass-bg-hover);
  border-color: color-mix(in srgb, white 18%, transparent);
  transform: translateY(-4px) scale(1.005);
}

.project-card-title {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.45rem;
}

.project-card-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 1rem;
  line-height: 1.55;
}

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

.skill-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.22rem 0.6rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid color-mix(in srgb, white 8%, transparent);
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.skill-tag--link {
  text-decoration: none;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition-interactive);
}

.skill-tag--link:hover {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  transform: translateY(-1px);
}

.skill-tag--more {
  appearance: none;
  -webkit-appearance: none;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border-color: color-mix(in srgb, var(--accent) 24%, transparent);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 550;
  line-height: inherit;
  cursor: pointer;
}

.skill-tag--more:hover {
  color: var(--text);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 35%, transparent);
}

.skill-tag--more:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skill-tag--extra[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.project-card-body,
.home-project-card-body {
  display: block;
  color: inherit;
  text-decoration: none;
}

.project-card--filtered-out {
  display: none !important;
}

.project-card-arrow {
  position: absolute;
  top: 1.4rem;
  right: 1.4rem;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, white 6%, transparent);
  border: 1px solid color-mix(in srgb, white 10%, transparent);
  border-radius: 10px;
  color: var(--text-dim);
  transition: color var(--transition), background var(--transition),
              transform var(--transition-interactive);
}

.project-card-arrow svg {
  width: 14px;
  height: 14px;
}

.project-card:hover .project-card-arrow {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  transform: translate(2px, -2px);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
  padding: 0.45rem 0.85rem;
  background: color-mix(in srgb, white 4%, transparent);
  border: 1px solid color-mix(in srgb, white 8%, transparent);
  border-radius: var(--radius-pill);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: color var(--transition), background var(--transition), gap var(--transition),
              border-color var(--transition), transform var(--transition-interactive);
}

.back-link:hover {
  color: var(--text);
  background: color-mix(in srgb, white 8%, transparent);
  gap: 0.5rem;
  transform: translateX(-3px);
}

.project-detail-header {
  padding: 2rem 2rem 1.75rem;
  margin-bottom: 1rem;
}

.project-detail-title {
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.65rem;
}

.project-detail-overview {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 640px;
}

.detail-section {
  padding: 1.5rem 2rem;
  margin-bottom: 1rem;
}

.detail-section h2 {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.detail-section p {
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.detail-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.project-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.about-bio {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 600px;
  padding: 1.75rem 2rem;
  margin-bottom: 1.5rem;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.timeline-item {
  padding: 1.5rem 1.75rem;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-border-top);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.timeline-item:hover {
  border-color: color-mix(in srgb, white 16%, transparent);
}

.timeline-role {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.15rem;
}

.timeline-company {
  color: var(--accent);
  font-size: 0.875rem;
  font-weight: 500;
  margin-bottom: 0.1rem;
}

.timeline-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.65rem;
}

.timeline-desc,
.resume-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-bottom: 0.65rem;
  line-height: 1.6;
}

.resume-desc:last-child {
  margin-bottom: 0;
}

.resume-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
}

.resume-highlights li {
  font-size: 0.8125rem;
  color: var(--text-muted);
  padding-left: 1.1rem;
  position: relative;
  line-height: 1.55;
}

.resume-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}

.about-section {
  margin-bottom: 2rem;
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.skill-group {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-border-top);
  border-radius: var(--radius);
  padding: 1.15rem 1.25rem;
  transition: transform var(--transition-interactive);
}

.skill-group:hover {
  transform: translateY(-2px);
}

.skill-group h3 {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.skill-group ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.skill-group li {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.education-item {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border);
  border-top-color: var(--glass-border-top);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 0.75rem;
  transition: transform var(--transition-interactive);
}

.education-item:hover {
  transform: translateY(-2px);
}

.education-degree {
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.2rem;
}

.education-meta {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.45rem;
}

.education-details,
.resume-desc {
  font-size: 0.8125rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 0.65rem;
}

.footer {
  padding: 0 clamp(1.25rem, 4vw, 2.5rem) 1.75rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) minmax(0, 2fr);
  align-items: start;
  gap: 2.5rem;
  width: min(100%, 1080px);
  margin: 0 auto;
  padding: 1.5rem 0 0;
  border-top: 1px solid color-mix(in srgb, var(--accent) 20%, var(--glass-border));
}

.footer-identity {
  display: grid;
  justify-items: start;
  gap: 0.35rem;
}

.footer-brand {
  color: var(--text);
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-brand:hover,
.footer-brand:focus-visible {
  color: var(--accent);
}

.footer-copyright {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.5;
}

.footer-divider {
  color: var(--text-dim);
  user-select: none;
}

.footer-license-link {
  color: inherit;
  text-decoration: none;
}

.footer-license-link:hover,
.footer-license-link:focus-visible {
  color: var(--accent);
}

.footer-navigation {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(10rem, 0.8fr);
  justify-content: end;
  gap: 2rem;
}

.footer-group-title {
  margin: 0 0 0.3rem;
  color: var(--text-dim);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.footer-group-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.15rem 0.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-link {
  display: inline-flex;
  min-height: 2.5rem;
  align-items: center;
  padding: 0 0.55rem;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--accent);
  background: var(--accent-soft);
}

@media (max-width: 768px) {
  .footer {
    padding: 0 1rem calc(1.25rem + env(safe-area-inset-bottom, 0px));
  }

  .footer-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.25rem;
    padding-top: 1.2rem;
  }

  .footer-navigation {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
  }

  .footer-group-links {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0.1rem;
  }

  .footer-link {
    width: 100%;
    min-height: 2.75rem;
    padding: 0 0.5rem;
  }
}

@media (max-width: 360px) {
  .footer-navigation {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.8rem;
  }
}

.error-state {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--text-muted);
}

.error-state h2 {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 0.65rem;
  color: var(--text);
}

@media (max-width: 640px) {
  main {
    padding-top: calc(var(--nav-height) + 1.5rem);
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .hero,
  .project-detail-header,
  .detail-section,
  .about-bio {
    padding-left: 1.35rem;
    padding-right: 1.35rem;
  }

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

.noscript-fallback {
  position: relative;
  z-index: var(--z-modal);
  margin: 0;
  padding: 0.85rem 1rem;
  background: rgba(18, 18, 22, 0.98);
  border-bottom: 1px solid color-mix(in srgb, white 12%, transparent);
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.noscript-fallback p {
  margin: 0 0 0.65rem;
  max-width: 52rem;
}

.noscript-fallback strong {
  color: var(--text);
}

.noscript-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
}

.noscript-nav a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.noscript-nav a:hover {
  text-decoration: underline;
}

.noscript-content {
  padding: 1.25rem;
  color: var(--text-muted);
  line-height: 1.65;
}

.noscript-content h1 {
  font-size: 1.5rem;
  color: var(--text);
  margin-bottom: 0.75rem;
}

.noscript-content ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}


/* Maker's Notebook — shared palette and quiet, tactile surfaces */
.glass-panel {
  background: var(--glass-bg);
  border-color: var(--glass-border);
  border-top-color: var(--glass-border-top);
  border-radius: var(--radius);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
}

.glass-panel::before { content: none; }

.nav-dock {
  background: var(--glass-float-bg);
  border-color: var(--glass-border);
  border-top-color: var(--glass-border-top);
  border-bottom-color: color-mix(in srgb, white 12%, transparent);
  box-shadow: inset 0 1px color-mix(in srgb, white 14%, transparent), 0 12px 36px rgb(0 0 0 / 30%);
  backdrop-filter: blur(var(--glass-float-blur)) saturate(var(--glass-float-saturate));
  -webkit-backdrop-filter: blur(var(--glass-float-blur)) saturate(var(--glass-float-saturate));
}

.nav-dock::before {
  background: none;
}

.nav-dock::after {
  background: linear-gradient(100deg, color-mix(in srgb, var(--accent) 24%, transparent), color-mix(in srgb, var(--accent-warm) 18%, transparent));
}

.nav-dock:hover::after {
  opacity: 0.55;
}

.nav-brand:hover,
.nav-links a:hover,
.nav-share-btn:hover,
.nav-share-btn[aria-expanded="true"],
.nav-settings-btn:hover,
.nav-settings-btn[aria-expanded="true"],
.nav-search-btn:hover,
.nav-search-btn:focus-visible,
.nav-menu-btn:hover,
.nav-dock.is-menu-open .nav-menu-btn {
  background: color-mix(in srgb, var(--accent) 9%, #1c2024);
}

.nav-links a.active {
  color: var(--text);
  background: color-mix(in srgb, var(--accent) 10%, #1c2024);
  border-color: color-mix(in srgb, var(--accent) 26%, transparent);
}

.nav-section-label {
  display: none;
}

.nav-divider--brand,
.nav-divider--actions {
  display: none;
}

@media (min-width: 901px) {
  .nav-external-links a {
    width: 2.15rem;
    height: 2.15rem;
    justify-content: center;
    padding: 0;
    border-radius: var(--radius-pill);
  }

  .nav-external-label {
    display: none;
  }

  .nav-external-link {
    position: relative;
  }

  .nav-external-link::after {
    content: attr(aria-label);
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    z-index: var(--z-overlay);
    padding: 4px 10px;
    border: 1px solid color-mix(in srgb, white 10%, transparent);
    border-top-color: color-mix(in srgb, white 18%, transparent);
    border-radius: 6px;
    background: rgba(14, 14, 18, 0.94);
    color: var(--text-muted);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, -2px);
    transition: opacity 0.18s ease, transform 0.18s var(--ease-expo);
  }

  .nav-external-link:hover::after,
  .nav-external-link:focus-visible::after {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.nav-share-menu,
.nav-settings-menu {
  background: color-mix(in srgb, #17191d 85%, transparent);
  border-color: var(--glass-border);
  border-top-color: var(--glass-border-top);
  box-shadow: 0 16px 44px rgb(0 0 0 / 38%);
  backdrop-filter: blur(var(--glass-float-blur)) saturate(var(--glass-float-saturate));
  -webkit-backdrop-filter: blur(var(--glass-float-blur)) saturate(var(--glass-float-saturate));
}

@media (min-width: 901px) {
  .nav-settings-menu {
    background: color-mix(in srgb, #17191d 85%, transparent);
  }
}

.nav-share-copy,
.nav-action-row:hover,
.nav-settings-item:hover {
  background: color-mix(in srgb, var(--accent) 8%, #212529);
}

.nav-share-copy:hover {
  background: color-mix(in srgb, var(--accent) 12%, #212529);
}

.nav-action-row:focus-visible,
.nav-share-copy:focus-visible,
.nav-settings-item:focus-visible,
.nav-links a:focus-visible,
.nav-brand:focus-visible,
.link-btn:focus-visible,
.link-btn-copy:focus-visible,
.footer-link:focus-visible,
.footer-brand:focus-visible,
.footer-license-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.link-btn,
.link-btn-copy {
  background: #1c2024;
  border-color: #383e44;
  border-top-color: #555d64;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.link-btn:hover,
.link-btn-copy:hover {
  background: #24282d;
  border-color: #586068;
}

.footer-inner {
  background: transparent;
  border-color: color-mix(in srgb, var(--accent) 20%, var(--glass-border));
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.footer-link:hover,
.footer-link:focus-visible {
  color: var(--accent);
}

@media (max-width: 768px) {
  .nav-dock {
    background: rgb(20 22 25 / 98%);
  }
}

.back-to-top {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right, 0px));
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  z-index: var(--z-overlay);
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.7rem 1rem;
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  background: color-mix(in srgb, #191c1f 92%, transparent);
  border: 1px solid var(--glass-border-top);
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 26px rgb(0 0 0 / 32%);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.5rem);
  transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease,
    background-color 180ms ease, border-color 180ms ease;
}

.about-page .back-to-top {
  right: auto;
  left: 50%;
  transform: translate(-50%, 0.5rem);
}

.about-page .back-to-top.is-visible {
  transform: translate(-50%, 0);
}

.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: color-mix(in srgb, var(--accent) 12%, #191c1f);
  border-color: color-mix(in srgb, var(--accent) 46%, var(--glass-border));
}

.back-to-top:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.back-to-top svg {
  width: 1rem;
  height: 1rem;
  color: var(--accent);
}

@media (max-width: 520px) {
  .back-to-top {
    right: max(1rem, env(safe-area-inset-right, 0px));
    bottom: calc(1rem + env(safe-area-inset-bottom, 0px));
    min-height: 48px;
    padding-inline: 0.95rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: none;
  }
}

/* Quiet placeholders share one motion treatment across asynchronous content. */
.content-skeleton { width: 100%; min-width: 0; }
.content-loading-label {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}
.content-skeleton-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  margin-bottom: 1rem;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md, 12px);
  background: color-mix(in srgb, var(--text) 3%, transparent);
}
.skeleton-line {
  display: block;
  height: 0.75rem;
  width: 100%;
  border-radius: 4px;
  background: color-mix(in srgb, var(--text) 9%, transparent);
  animation: content-skeleton-pulse 2s ease-in-out infinite;
}
.skeleton-line--title { width: 42%; height: 1.4rem; margin-bottom: 0.5rem; }
.skeleton-line--short { width: 72%; }
@keyframes content-skeleton-pulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.resume-viewer:has(.resume-skeleton),
.home-work:has(.content-skeleton) .home-work-header,
.reveal:has(.content-skeleton) {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .skeleton-line { animation: none; }
}

/* Keep the chat entry point styled before its interaction bundle is requested. */
.chat-launcher {
  position: fixed;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: var(--z-modal, 200);
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 46px;
  padding: 11px 17px;
  border: 1px solid var(--glass-border, #353b40);
  border-top-color: var(--glass-border-top, #5b6265);
  border-radius: 999px;
  background: var(--glass-float-bg, rgb(255 255 255 / 8%));
  backdrop-filter: blur(var(--glass-float-blur, 32px)) saturate(var(--glass-float-saturate, 100%));
  -webkit-backdrop-filter: blur(var(--glass-float-blur, 32px)) saturate(var(--glass-float-saturate, 100%));
  box-shadow: inset 0 1px color-mix(in srgb, white 14%, transparent), 0 12px 36px rgb(0 0 0 / 30%);
  color: var(--text, #e9eaeb);
  font: 500 13px var(--font, sans-serif);
  cursor: pointer;
  transition: opacity 650ms ease, transform 650ms cubic-bezier(.16, 1, .3, 1), background-color 180ms ease, border-color 180ms ease;
}
.chat-launcher[hidden] { display: none; }
.chat-launcher svg { width: 20px; height: 20px; color: var(--accent, #a2cbb1); }
.chat-launcher:hover { background: var(--glass-float-bg-hover, rgb(255 255 255 / 14%)); border-color: var(--accent, #a2cbb1); }
@media (max-width: 900px) {
  html.nav-menu-open .chat-launcher { visibility: hidden; pointer-events: none; }
}