:root {
  --bg: #f3efe7;
  --bg-wash-warm: rgba(213, 100, 63, 0.18);
  --bg-wash-cool: rgba(47, 108, 99, 0.18);
  --bg-gradient-start: #fbf8f2;
  --bg-gradient-end: #efe8db;
  --surface: rgba(255, 252, 246, 0.78);
  --surface-strong: #fffaf1;
  --surface-elevated: rgba(255, 255, 255, 0.72);
  --surface-soft: rgba(255, 255, 255, 0.54);
  --surface-muted: rgba(255, 255, 255, 0.28);
  --ink: #1d2430;
  --muted: #5c6572;
  --line: rgba(29, 36, 48, 0.12);
  --line-strong: rgba(29, 36, 48, 0.16);
  --accent: #d5643f;
  --accent-2: #2f6c63;
  --accent-3: #d7b257;
  --shadow: 0 28px 80px rgba(29, 36, 48, 0.12);
  --nav-hover: rgba(29, 36, 48, 0.06);
  --button-primary-bg: #1d2430;
  --button-primary-ink: #fff;
  --button-secondary-bg: rgba(255, 255, 255, 0.48);
  --label-bg: rgba(47, 108, 99, 0.08);
  --rail-surface: linear-gradient(180deg, rgba(255, 250, 241, 0.97), rgba(248, 241, 230, 0.92));
  --rail-glow: radial-gradient(circle at top left, rgba(47, 108, 99, 0.08), transparent 42%);
  --rail-line: rgba(29, 36, 48, 0.16);
  --backdrop: rgba(21, 27, 37, 0.34);
  --theme-switch-bg: rgba(255, 255, 255, 0.54);
  --theme-switch-active-bg: #1d2430;
  --theme-switch-active-ink: #fff;
  --theme-switch-line: rgba(29, 36, 48, 0.08);
  --contrast-panel: linear-gradient(180deg, rgba(29, 36, 48, 0.96), rgba(54, 64, 80, 0.94));
  --contrast-ink: #f7f1e7;
  --contrast-muted: rgba(247, 241, 231, 0.82);
  --contrast-pill-bg: rgba(255, 255, 255, 0.12);
  --contrast-pill-line: rgba(255, 255, 255, 0.14);
  --contrast-card-bg: rgba(255, 255, 255, 0.05);
  --contrast-card-active-bg: rgba(255, 255, 255, 0.09);
  --contrast-card-line: rgba(255, 255, 255, 0.12);
  --contrast-card-line-strong: rgba(255, 255, 255, 0.2);
  --contrast-card-hover-line: rgba(255, 255, 255, 0.24);
  --contrast-ring-track: rgba(255, 255, 255, 0.08);
  --leader-chip-bg: rgba(11, 15, 24, 0.76);
  --leader-chip-active-bg: rgba(255, 255, 255, 0.14);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
}

:root[data-theme="night"] {
  --bg: #171f2c;
  --bg-wash-warm: rgba(241, 138, 97, 0.14);
  --bg-wash-cool: rgba(113, 177, 164, 0.14);
  --bg-gradient-start: #101722;
  --bg-gradient-end: #1a2431;
  --surface: rgba(22, 30, 42, 0.82);
  --surface-strong: #1b2433;
  --surface-elevated: rgba(30, 39, 55, 0.88);
  --surface-soft: rgba(32, 42, 58, 0.82);
  --surface-muted: rgba(255, 255, 255, 0.04);
  --ink: #eef2f7;
  --muted: #b5bfcd;
  --line: rgba(233, 238, 246, 0.11);
  --line-strong: rgba(233, 238, 246, 0.16);
  --accent: #f18a61;
  --accent-2: #73b4a8;
  --accent-3: #d8b96f;
  --shadow: 0 30px 90px rgba(4, 8, 15, 0.44);
  --nav-hover: rgba(255, 255, 255, 0.08);
  --button-primary-bg: #eef2f7;
  --button-primary-ink: #101722;
  --button-secondary-bg: rgba(255, 255, 255, 0.06);
  --label-bg: rgba(115, 180, 168, 0.16);
  --rail-surface: linear-gradient(180deg, rgba(19, 27, 39, 0.98), rgba(14, 21, 31, 0.94));
  --rail-glow: radial-gradient(circle at top left, rgba(113, 177, 164, 0.12), transparent 44%);
  --rail-line: rgba(233, 238, 246, 0.14);
  --backdrop: rgba(2, 6, 12, 0.62);
  --theme-switch-bg: rgba(255, 255, 255, 0.04);
  --theme-switch-active-bg: #eef2f7;
  --theme-switch-active-ink: #101722;
  --theme-switch-line: rgba(233, 238, 246, 0.12);
  --contrast-panel: linear-gradient(180deg, rgba(8, 12, 19, 0.9), rgba(16, 24, 35, 0.88));
  --contrast-ink: #eef2f7;
  --contrast-muted: rgba(238, 242, 247, 0.78);
  --contrast-pill-bg: rgba(255, 255, 255, 0.08);
  --contrast-pill-line: rgba(255, 255, 255, 0.1);
  --contrast-card-bg: rgba(255, 255, 255, 0.04);
  --contrast-card-active-bg: rgba(255, 255, 255, 0.08);
  --contrast-card-line: rgba(255, 255, 255, 0.1);
  --contrast-card-line-strong: rgba(255, 255, 255, 0.16);
  --contrast-card-hover-line: rgba(255, 255, 255, 0.22);
  --contrast-ring-track: rgba(255, 255, 255, 0.06);
  --leader-chip-bg: rgba(6, 10, 16, 0.9);
  --leader-chip-active-bg: rgba(255, 255, 255, 0.1);
}

:root[data-theme="signal"] {
  --bg: #e7efef;
  --bg-wash-warm: rgba(226, 119, 75, 0.16);
  --bg-wash-cool: rgba(25, 116, 121, 0.18);
  --bg-gradient-start: #f4f7f4;
  --bg-gradient-end: #dfe8e6;
  --surface: rgba(244, 248, 247, 0.8);
  --surface-strong: #f6faf8;
  --surface-elevated: rgba(248, 252, 251, 0.84);
  --surface-soft: rgba(240, 246, 244, 0.76);
  --surface-muted: rgba(255, 255, 255, 0.32);
  --ink: #17333b;
  --muted: #47636b;
  --line: rgba(23, 51, 59, 0.12);
  --line-strong: rgba(23, 51, 59, 0.18);
  --accent: #dd6d43;
  --accent-2: #0d6d73;
  --accent-3: #cf9d42;
  --shadow: 0 28px 84px rgba(22, 42, 48, 0.14);
  --nav-hover: rgba(13, 109, 115, 0.1);
  --button-primary-bg: #17333b;
  --button-primary-ink: #f6faf8;
  --button-secondary-bg: rgba(255, 255, 255, 0.58);
  --label-bg: rgba(13, 109, 115, 0.12);
  --rail-surface: linear-gradient(180deg, rgba(230, 240, 238, 0.97), rgba(220, 234, 231, 0.93));
  --rail-glow: radial-gradient(circle at top left, rgba(13, 109, 115, 0.12), transparent 44%);
  --rail-line: rgba(23, 51, 59, 0.16);
  --backdrop: rgba(14, 29, 34, 0.42);
  --theme-switch-bg: rgba(255, 255, 255, 0.44);
  --theme-switch-active-bg: #17333b;
  --theme-switch-active-ink: #f6faf8;
  --theme-switch-line: rgba(23, 51, 59, 0.08);
  --contrast-panel: linear-gradient(180deg, rgba(18, 46, 52, 0.96), rgba(28, 62, 69, 0.92));
  --contrast-ink: #f4f7f4;
  --contrast-muted: rgba(244, 247, 244, 0.8);
  --contrast-pill-bg: rgba(255, 255, 255, 0.12);
  --contrast-pill-line: rgba(255, 255, 255, 0.14);
  --contrast-card-bg: rgba(255, 255, 255, 0.06);
  --contrast-card-active-bg: rgba(255, 255, 255, 0.1);
  --contrast-card-line: rgba(255, 255, 255, 0.12);
  --contrast-card-line-strong: rgba(255, 255, 255, 0.18);
  --contrast-card-hover-line: rgba(255, 255, 255, 0.24);
  --contrast-ring-track: rgba(255, 255, 255, 0.08);
  --leader-chip-bg: rgba(9, 20, 24, 0.82);
  --leader-chip-active-bg: rgba(255, 255, 255, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  min-height: 100%;
  color-scheme: light;
}

html[data-theme="night"] {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: "Segoe UI Variable Display", "Trebuchet MS", "Gill Sans", sans-serif;
  background:
    radial-gradient(circle at top left, var(--bg-wash-warm), transparent 30%),
    radial-gradient(circle at top right, var(--bg-wash-cool), transparent 34%),
    linear-gradient(180deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  transition: background 220ms ease, color 220ms ease;
}

body.body-nav-open {
  overflow: hidden;
}

[hidden] {
  display: none !important;
}

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

.site-shell {
  width: min(1240px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.25rem 0 2rem;
  --rail-width: 12.5rem;
  --shell-side-gap: max(1rem, calc((100vw - 1240px) / 2));
}

.site-header,
.site-footer,
.panel,
.feature-card,
.project-card,
.timeline-card,
.gallery-card,
.demo-card,
.contact-card {
  backdrop-filter: blur(14px);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  position: relative;
  z-index: 8;
  transition: padding 220ms ease, gap 220ms ease;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-width: 0;
}

.brand-name-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.site-header-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.85rem;
  margin-left: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: width 220ms ease, height 220ms ease;
}

.brand-name {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 700;
}

.site-environment-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.7rem;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--accent-2) 36%, var(--line));
  background: color-mix(in srgb, var(--accent-2) 12%, var(--surface-strong));
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-tag {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  transition:
    opacity 220ms ease,
    max-height 220ms ease,
    margin 220ms ease;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.site-nav-link {
  padding: 0.7rem 1rem;
  border-radius: 999px;
  font-size: 0.95rem;
  color: var(--muted);
  transition: background-color 160ms ease, color 160ms ease, transform 160ms ease;
}

.site-nav-link:hover,
.site-nav-link:focus-visible,
.site-nav-link.is-active {
  background: var(--nav-hover);
  color: var(--ink);
  transform: translateY(-1px);
}

.site-nav--header {
  transition: opacity 220ms ease, transform 220ms ease;
}

.site-nav--rail {
  display: grid;
  gap: 0.65rem;
  justify-content: stretch;
}

.site-nav--rail .site-nav-link {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  padding: 0.75rem 0.85rem;
  background: var(--surface-soft);
  border: 1px solid var(--theme-switch-line);
  width: 100%;
}

.theme-switcher {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  max-width: 100%;
  min-width: 0;
  padding: 0.25rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--theme-switch-bg);
  box-shadow: inset 0 0 0 1px var(--theme-switch-line);
}

.theme-option {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.3rem;
  min-width: 0;
  padding: 0.55rem 0.85rem;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.theme-option:hover,
.theme-option:focus-visible {
  color: var(--ink);
  transform: translateY(-1px);
}

.theme-option:focus-visible {
  outline: 2px solid var(--accent-2);
  outline-offset: 2px;
}

.theme-option.is-active {
  background: var(--theme-switch-active-bg);
  color: var(--theme-switch-active-ink);
  box-shadow: 0 10px 20px rgba(29, 36, 48, 0.12);
}

.site-nav-toggle,
.site-rail-close {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 2.9rem;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface-elevated);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.site-nav-toggle {
  display: none;
}

.site-nav-toggle-bars {
  display: inline-grid;
  gap: 0.22rem;
}

.site-nav-toggle-bars span {
  display: block;
  width: 1rem;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.site-nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 14;
  border: 0;
  background: var(--backdrop);
  backdrop-filter: blur(6px);
}

.site-frame {
  display: grid;
  grid-template-columns: 0 minmax(0, 1fr);
  gap: 0;
  align-items: start;
  margin-top: 0.6rem;
  transition: grid-template-columns 380ms cubic-bezier(0.22, 1, 0.36, 1);
}

.site-environment-banner {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.75rem;
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--accent-2) 26%, var(--line));
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent-2) 14%, var(--surface-strong)), color-mix(in srgb, var(--accent) 12%, var(--surface-soft)));
  box-shadow: var(--shadow);
}

.site-environment-banner-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: flex-start;
  min-height: 2rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--button-primary-bg);
  color: var(--button-primary-ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-environment-banner p {
  margin: 0;
  color: var(--ink);
  line-height: 1.55;
}

.site-shell[data-nav-mode="rail"] .site-frame {
  grid-template-columns: var(--rail-width) minmax(0, 1fr);
  gap: 1.2rem;
}

.site-shell[data-nav-mode="rail"] .site-header {
  gap: 1rem;
  padding: 0.9rem 1.1rem;
}

.site-shell[data-nav-mode="rail"] .brand-block {
  gap: 0.8rem;
}

.site-shell[data-nav-mode="rail"] .brand-mark {
  width: 2.75rem;
  height: 2.75rem;
}

.site-shell[data-nav-mode="rail"] .brand-tag {
  opacity: 0;
  max-height: 0;
  margin: 0;
  overflow: hidden;
}

.site-shell[data-nav-mode="rail"] .site-nav--header {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

.site-rail-shell {
  min-width: 0;
  overflow: visible;
  align-self: start;
}

.site-rail {
  position: relative;
  top: 1.25rem;
  width: 100%;
  min-height: calc(100vh - 2.5rem);
  padding: 0;
  border-radius: var(--radius-lg);
  border: 1px solid var(--rail-line);
  background: var(--rail-glow), var(--rail-surface);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    0 26px 72px rgba(29, 36, 48, 0.16);
  backdrop-filter: blur(14px);
  transform-origin: top left;
  overflow: hidden;
}

@media (min-width: 980px) {
  .site-shell[data-nav-mode="rail"] .site-rail {
    position: fixed;
    top: 1.25rem;
    left: var(--shell-side-gap);
    width: var(--rail-width);
    max-height: calc(100vh - 2.5rem);
    min-height: 0;
    overflow: hidden;
  }
}

.site-rail-scroll {
  display: grid;
  gap: 0.75rem;
  align-content: start;
  min-height: 100%;
  height: 100%;
  padding: 0.75rem 0.65rem 0.85rem 0.75rem;
  border-radius: inherit;
  overflow-y: auto;
  overflow-x: hidden;
}

.site-rail > * {
  min-width: 0;
}

.site-rail-header {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 0;
}

.site-rail-close {
  display: none;
  white-space: nowrap;
}

.site-content-column {
  min-width: 0;
}

.page-shell {
  padding: 0 0 1.5rem;
}

.hero-stack {
  display: grid;
  gap: 1.25rem;
}

.hero-grid,
.two-up-grid,
.project-grid,
.timeline-grid,
.placeholder-route-grid,
.gallery-grid,
.demo-grid,
.contact-grid {
  display: grid;
  gap: 1.25rem;
}

.hero-grid {
  grid-template-columns: 1.4fr 0.8fr;
  align-items: stretch;
}

.panel {
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}

.hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(14rem, 0.56fr);
  column-gap: clamp(1.25rem, 3vw, 2.5rem);
  row-gap: 0;
  align-items: start;
  position: relative;
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -25% auto;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(47, 108, 99, 0.28), transparent 68%);
}

.hero-panel > :not(.stat-row) {
  grid-column: 1;
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 0.86rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title,
.section-title {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  line-height: 0.95;
}

.hero-title {
  font-size: clamp(3rem, 8vw, 6rem);
  max-width: 10ch;
}

.hero-copy,
.section-copy,
.card-copy,
.meta-copy {
  color: var(--muted);
  line-height: 1.6;
}

.hero-copy {
  max-width: 44rem;
  margin: 1rem 0 0;
  font-size: 1.05rem;
}

.hero-actions,
.chip-row,
.stat-row,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-actions {
  margin-top: 1.5rem;
}

.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.8rem 1.2rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
}

.button-primary {
  background: var(--button-primary-bg);
  color: var(--button-primary-ink);
}

.button-secondary {
  border-color: var(--line);
  background: var(--button-secondary-bg);
}

.stat-row {
  margin-top: 1.5rem;
}

.hero-panel > .stat-row {
  grid-column: 2;
  grid-row: 1 / span 4;
  align-self: stretch;
  margin: 0;
  display: grid;
  align-content: start;
  gap: 0.75rem;
  padding: 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.hero-panel > .stat-row .stat-pill {
  background: var(--surface-elevated);
}

.stat-pill,
.chip {
  padding: 0.7rem 0.95rem;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.95rem;
}

.feature-card,
.project-card,
.timeline-card,
.gallery-card,
.demo-card,
.contact-card {
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.placeholder-route-stack {
  display: grid;
  gap: 1rem;
}

.placeholder-state-panel {
  display: grid;
  align-content: start;
}

.section-block {
  margin-top: 1.75rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  margin-bottom: 1rem;
}

.section-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
}

.section-copy {
  max-width: 48ch;
}

.two-up-grid,
.project-grid,
.project-stack,
.placeholder-route-grid,
.gallery-grid,
.demo-grid,
.contact-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.timeline-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card-title {
  margin: 0 0 0.4rem;
  font-size: 1.25rem;
}

.card-kicker {
  margin: 0 0 0.55rem;
  color: var(--accent-2);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.label-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.label {
  padding: 0.45rem 0.7rem;
  border-radius: 999px;
  background: var(--label-bg);
  color: var(--accent-2);
  font-size: 0.84rem;
}

.timeline-card strong,
.gallery-metric,
.demo-status {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--ink);
}

.gallery-frame {
  aspect-ratio: 16 / 10;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  background:
    linear-gradient(135deg, rgba(213, 100, 63, 0.25), rgba(47, 108, 99, 0.25)),
    linear-gradient(45deg, rgba(255, 255, 255, 0.8), rgba(244, 234, 220, 0.85));
}

.accent-panel {
  background: var(--contrast-panel);
  color: var(--contrast-ink);
}

.accent-panel .card-copy,
.accent-panel .meta-copy,
.accent-panel .brand-tag {
  color: var(--contrast-muted);
}

.experience-panel {
  display: grid;
  gap: 1.35rem;
  overflow: visible;
  position: relative;
  z-index: 1;
  --active-archetype-accent: rgba(255, 255, 255, 0.16);
}

.experience-panel--stacked {
  padding: clamp(1.35rem, 2vw, 2rem);
}

.experience-archetype-shell {
  display: grid;
  gap: 1rem;
}

.experience-archetype-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
}

.experience-archetype-step {
  border: 1px solid var(--contrast-card-line);
  background: var(--contrast-card-bg);
  color: inherit;
  font: inherit;
}

.experience-archetype-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 999px;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--active-archetype-accent) 22%, transparent);
  transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.experience-archetype-step:hover,
.experience-archetype-step:focus-visible {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--active-archetype-accent) 58%, var(--contrast-card-hover-line));
  background: color-mix(in srgb, var(--active-archetype-accent) 16%, var(--contrast-card-bg));
}

.experience-archetype-step:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--active-archetype-accent) 58%, var(--contrast-card-hover-line));
  outline-offset: 3px;
}

.experience-archetype-statement {
  display: grid;
  justify-items: center;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--active-archetype-accent) 52%, var(--contrast-card-line));
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--active-archetype-accent) 18%, rgba(255, 255, 255, 0.08)),
      rgba(255, 255, 255, 0.03)
    );
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--active-archetype-accent) 18%, transparent),
    0 14px 32px rgba(7, 13, 20, 0.16);
  text-align: center;
}

.experience-archetype-prefix {
  color: color-mix(in srgb, var(--contrast-muted) 78%, var(--active-archetype-accent) 22%);
  font-size: 0.95rem;
}

.experience-archetype-label {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.1rem, 5vw, 3.4rem);
  line-height: 0.95;
}

.experience-stage {
  display: grid;
  justify-items: center;
  width: 100%;
  padding-inline: clamp(1rem, 4vw, 3rem);
  overflow: visible;
}

.experience-chart-shell {
  position: relative;
  width: min(31rem, calc(100% - 6rem));
  aspect-ratio: 1;
  margin: 0 auto;
  padding: clamp(1.25rem, 3.4vw, 2.4rem);
  overflow: visible;
}

.experience-chart {
  display: block;
  width: 100%;
  height: auto;
}

.experience-chart-annotation-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.experience-ring-track,
.experience-segment {
  fill: none;
  stroke-width: 18;
}

.experience-ring-track {
  stroke: var(--contrast-ring-track);
}

.experience-segment {
  opacity: 0.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition:
    opacity 220ms ease,
    stroke-width 220ms ease,
    stroke-dashoffset 820ms cubic-bezier(0.22, 1, 0.36, 1);
}

.experience-segment-group {
  transition:
    transform 360ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 220ms ease;
  cursor: pointer;
}

.experience-segment-group.is-active {
  transform: translate(var(--segment-pop-x, 0), var(--segment-pop-y, 0));
  filter: drop-shadow(0 10px 22px rgba(9, 18, 28, 0.24));
}

.experience-segment-group.is-active .experience-segment {
  opacity: 1;
  stroke-width: 21;
}

.experience-leader-label {
  position: absolute;
  left: calc(var(--leader-x, 50) * 1%);
  top: calc(var(--leader-y, 50) * 1%);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  pointer-events: auto;
  cursor: pointer;
}

.experience-leader-label--left {
  transform: translate(-100%, -50%);
  flex-direction: row-reverse;
  text-align: right;
}

.experience-leader-label--right {
  transform: translate(0, -50%);
}

.experience-leader-label:focus-visible {
  outline: none;
}

.experience-leader-line {
  width: 1.3rem;
  height: 1px;
  background: var(--leader-color, rgba(255, 255, 255, 0.36));
  opacity: 0.9;
}

.experience-leader-chip {
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: var(--leader-chip-bg);
  box-shadow: inset 0 0 0 1px var(--leader-color, rgba(255, 255, 255, 0.16));
  font-size: 0.82rem;
  white-space: nowrap;
  transition: transform 180ms ease, background-color 180ms ease;
}

.experience-leader-label:hover .experience-leader-chip,
.experience-leader-label:focus-visible .experience-leader-chip,
.experience-leader-label.is-active .experience-leader-chip {
  background: var(--leader-chip-active-bg);
  transform: translateY(-1px);
}

.experience-chart-center {
  position: absolute;
  inset: 50% auto auto 50%;
  display: grid;
  gap: 0.35rem;
  width: 10.5rem;
  transform: translate(-50%, -50%);
  text-align: center;
  pointer-events: none;
  z-index: 3;
}

.experience-chart-value {
  font-size: clamp(2rem, 5vw, 2.8rem);
}

.experience-chart-label {
  color: var(--contrast-muted);
  font-size: 0.96rem;
}

.experience-chart-meta {
  color: var(--contrast-muted);
  font-size: 0.84rem;
}

.experience-detail-popover {
  position: absolute;
  left: calc(var(--detail-x, 50) * 1%);
  top: calc(var(--detail-y, 50) * 1%);
  z-index: 6;
  width: clamp(12rem, 26vw, 16rem);
  padding: 0.95rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--contrast-card-line-strong);
  background: linear-gradient(180deg, rgba(8, 12, 19, 0.92), rgba(18, 26, 38, 0.88));
  box-shadow:
    0 18px 42px rgba(4, 8, 15, 0.28),
    inset 0 0 0 1px var(--detail-accent, rgba(255, 255, 255, 0.12));
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease, transform 180ms ease;
}

.experience-detail-popover--right {
  transform: translate(1rem, -50%) scale(0.96);
}

.experience-detail-popover--left {
  transform: translate(calc(-100% - 1rem), -50%) scale(0.96);
}

.experience-detail-popover.is-visible {
  opacity: 1;
}

.experience-detail-popover--right.is-visible {
  transform: translate(1rem, -50%) scale(1);
}

.experience-detail-popover--left.is-visible {
  transform: translate(calc(-100% - 1rem), -50%) scale(1);
}

.experience-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 0.75rem;
}

.experience-detail-title,
.experience-detail-summary,
.experience-detail-body {
  margin: 0;
}

.experience-detail-title {
  font-size: 1.02rem;
  line-height: 1.3;
}

.experience-detail-weight {
  flex: 0 0 auto;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 1px var(--detail-accent, rgba(255, 255, 255, 0.18));
  font-size: 0.8rem;
  font-weight: 700;
}

.experience-detail-summary,
.experience-detail-body {
  color: var(--contrast-muted);
  line-height: 1.55;
}

.experience-detail-summary {
  margin-top: 0.55rem;
  font-size: 0.94rem;
}

.experience-detail-body {
  margin-top: 0.45rem;
  font-size: 0.88rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-lg);
  margin-top: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.resume-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.85fr;
  gap: 1.25rem;
}

.resume-stack,
.capability-stack,
.project-stack,
.meta-stack {
  display: grid;
  gap: 1rem;
}

.resume-card {
  padding: 1.1rem 0;
  border-top: 1px solid var(--line);
}

.resume-card:first-child {
  border-top: 0;
  padding-top: 0;
}

.resume-card:last-child {
  padding-bottom: 0;
}

.resume-card-header,
.project-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: start;
}

.resume-org,
.project-state,
.resume-range,
.project-label {
  color: var(--muted);
}

.resume-org {
  margin: 0.3rem 0 0;
  font-size: 0.96rem;
}

.resume-range,
.project-state {
  padding: 0.5rem 0.75rem;
  border-radius: 999px;
  background: var(--button-secondary-bg);
  border: 1px solid var(--line);
  white-space: nowrap;
  font-size: 0.88rem;
}

.resume-points,
.capability-list {
  margin: 1rem 0 0;
  padding-left: 1.15rem;
  color: var(--muted);
  line-height: 1.6;
}

.capability-card {
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(247, 241, 231, 0.14);
}

.capability-card:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.project-stack {
  grid-template-columns: 1fr;
}

.project-card-detailed {
  padding: 1.5rem;
}

.project-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.demo-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.demo-card-detailed {
  padding: 1.5rem;
}

.demo-launch-note {
  margin: 1rem 0 0;
}

.demo-detail-grid,
.demo-detail-page {
  display: grid;
  gap: 1rem;
}

.demo-detail-grid {
  grid-template-columns: 0.8fr 1.2fr;
  margin-top: 1rem;
}

.compact-list {
  margin-top: 0.5rem;
}

.demo-embed-shell {
  min-height: 38rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: #070912;
}

.demo-embed {
  display: block;
  width: 100%;
  min-height: 38rem;
  border: 0;
}

.demo-preview-status,
.demo-fallback-notice {
  margin-top: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-soft);
}

.demo-preview-status {
  padding: 0.85rem 1rem;
  color: var(--muted);
}

.demo-preview-status[data-state="ready"] {
  color: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent-2) 38%, var(--line));
}

.demo-preview-status[data-state="failed"] {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 42%, var(--line));
}

.demo-preview-status[data-state="unavailable"] {
  color: var(--ink);
}

.demo-fallback-notice {
  padding: 1rem;
}

.demo-fallback-notice[hidden] {
  display: none !important;
}

.demo-retry-button {
  font: inherit;
  cursor: pointer;
}

.detail-breadcrumbs {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.detail-hero {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 1rem;
}

.project-label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

@media (max-width: 979px) {
  .hero-stack,
  .hero-grid,
  .two-up-grid,
  .project-grid,
  .project-detail-grid,
  .demo-detail-grid,
  .demo-detail-page,
  .detail-hero,
  .timeline-grid,
  .placeholder-route-grid,
  .gallery-grid,
  .demo-grid,
  .contact-grid,
  .resume-layout,
  .site-footer {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .section-heading,
  .resume-card-header,
  .project-header {
    align-items: start;
    flex-direction: column;
  }

  .hero-panel {
    grid-template-columns: 1fr;
    row-gap: 0;
  }

  .hero-panel > .stat-row {
    grid-column: 1;
    grid-row: auto;
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    border: 0;
    background: none;
    box-shadow: none;
  }

  .site-header {
    gap: 1rem;
  }

  .site-environment-banner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-frame,
  .site-shell[data-nav-mode="rail"] .site-frame {
    grid-template-columns: 1fr;
  }

  .site-nav--header {
    display: none;
  }

  .site-nav-toggle {
    display: inline-flex;
  }

  .site-rail {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    bottom: 0.75rem;
    width: min(15.25rem, calc(100vw - 1.5rem));
    min-height: auto;
    z-index: 15;
  }

  .site-rail-scroll {
    padding: 0.85rem;
  }

  .site-rail-close {
    display: inline-flex;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100% - 1rem, 1200px);
    padding-top: 0.5rem;
  }

  .site-header,
  .panel,
  .feature-card,
  .project-card,
  .timeline-card,
  .gallery-card,
  .demo-card,
  .contact-card,
  .site-footer {
    padding: 1rem;
  }

  .hero-title {
    font-size: clamp(2.5rem, 14vw, 4rem);
  }

  .site-header {
    padding: 0.9rem 1rem;
  }

  .brand-tag {
    display: none;
  }

  .site-rail {
    top: 0.5rem;
    left: 0.5rem;
    bottom: 0.5rem;
    width: min(14.75rem, calc(100vw - 1rem));
  }

  .experience-chart-shell {
    width: min(22rem, calc(100% - 1rem));
  }

  .theme-option {
    min-height: 2.1rem;
    padding: 0.5rem 0.65rem;
    font-size: 0.82rem;
  }

  .experience-archetype-row {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 0.7rem;
  }

  .experience-archetype-step {
    width: 2.65rem;
    height: 2.65rem;
  }

  .experience-archetype-statement {
    padding: 0.9rem 0.95rem;
  }

  .experience-archetype-prefix {
    font-size: 0.82rem;
  }

  .experience-archetype-label {
    font-size: clamp(1.8rem, 10vw, 2.55rem);
  }

  .experience-leader-line {
    width: 1.1rem;
  }

  .experience-leader-chip {
    font-size: 0.72rem;
    padding: 0.32rem 0.48rem;
  }

  .experience-detail-popover {
    left: 50%;
    top: auto;
    bottom: 0.75rem;
    width: min(calc(100% - 1rem), 16rem);
  }

  .experience-detail-popover--left,
  .experience-detail-popover--right {
    transform: translate(-50%, 0.5rem) scale(0.96);
  }

  .experience-detail-popover--left.is-visible,
  .experience-detail-popover--right.is-visible {
    transform: translate(-50%, 0) scale(1);
  }
}