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

:root {
  color-scheme: dark light;
  font: 100%/1.5 system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-display: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Menlo", monospace;

  --bg: #000000;
  --bg-elevated: #1c1c1e;
  --bg-elevated-2: #2c2c2e;
  --label: #f5f5f7;
  --secondary: rgba(235, 235, 245, 0.62);
  --tertiary: rgba(235, 235, 245, 0.34);
  --tint: #0a84ff;
  --tint-soft: rgba(10, 132, 255, 0.16);
  --green: #30d158;
  --green-soft: rgba(48, 209, 88, 0.14);
  --hairline: rgba(255, 255, 255, 0.1);
  --hairline-strong: rgba(255, 255, 255, 0.22);
  --scrim: rgba(0, 0, 0, 0.46);
  --material: rgba(28, 28, 30, 0.62);
  --material-thick: rgba(28, 28, 30, 0.82);
  --material-chrome: rgba(22, 22, 24, 0.72);
  --shadow-nav: 0 10px 40px rgba(0, 0, 0, 0.38);
  --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.28);
  --inset-light: inset 0 0.5px 0 rgba(255, 255, 255, 0.14);
  --blur: 20px;
  --blur-thick: 40px;
  --max: 68rem;
  --pad: clamp(1.25rem, 4vw, 3.5rem);
  --section: clamp(5rem, 10vw, 8.5rem);
  --radius: 1.375rem;
  --radius-sm: 0.875rem;
  --ease-press: 100ms ease-out;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f5f7;
    --bg-elevated: #ffffff;
    --bg-elevated-2: #f2f2f7;
    --label: #1d1d1f;
    --secondary: rgba(29, 29, 31, 0.64);
    --tertiary: rgba(29, 29, 31, 0.38);
    --tint: #007aff;
    --tint-soft: rgba(0, 122, 255, 0.1);
    --green: #248a3d;
    --green-soft: rgba(36, 138, 61, 0.12);
    --hairline: rgba(0, 0, 0, 0.08);
    --hairline-strong: rgba(0, 0, 0, 0.16);
    --scrim: rgba(0, 0, 0, 0.28);
    --material: rgba(255, 255, 255, 0.64);
    --material-thick: rgba(255, 255, 255, 0.88);
    --material-chrome: rgba(255, 255, 255, 0.78);
    --shadow-nav: 0 10px 36px rgba(0, 0, 0, 0.1);
    --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.08);
    --inset-light: inset 0 0.5px 0 rgba(255, 255, 255, 0.85);
  }
}

/* Explicit theme override (data-theme set by the toggle). Specificity of
   :root[data-theme] beats the bare :root and the prefers-color-scheme
   media query above regardless of source order, so these always win once set. */
:root[data-theme="dark"] {
  --bg: #000000;
  --bg-elevated: #1c1c1e;
  --bg-elevated-2: #2c2c2e;
  --label: #f5f5f7;
  --secondary: rgba(235, 235, 245, 0.62);
  --tertiary: rgba(235, 235, 245, 0.34);
  --tint: #0a84ff;
  --tint-soft: rgba(10, 132, 255, 0.16);
  --green: #30d158;
  --green-soft: rgba(48, 209, 88, 0.14);
  --hairline: rgba(255, 255, 255, 0.1);
  --hairline-strong: rgba(255, 255, 255, 0.22);
  --scrim: rgba(0, 0, 0, 0.46);
  --material: rgba(28, 28, 30, 0.62);
  --material-thick: rgba(28, 28, 30, 0.82);
  --material-chrome: rgba(22, 22, 24, 0.72);
  --shadow-nav: 0 10px 40px rgba(0, 0, 0, 0.38);
  --shadow-card: 0 18px 50px rgba(0, 0, 0, 0.28);
  --inset-light: inset 0 0.5px 0 rgba(255, 255, 255, 0.14);
}

:root[data-theme="light"] {
  --bg: #f5f5f7;
  --bg-elevated: #ffffff;
  --bg-elevated-2: #f2f2f7;
  --label: #1d1d1f;
  --secondary: rgba(29, 29, 31, 0.64);
  --tertiary: rgba(29, 29, 31, 0.38);
  --tint: #007aff;
  --tint-soft: rgba(0, 122, 255, 0.1);
  --green: #248a3d;
  --green-soft: rgba(36, 138, 61, 0.12);
  --hairline: rgba(0, 0, 0, 0.08);
  --hairline-strong: rgba(0, 0, 0, 0.16);
  --scrim: rgba(0, 0, 0, 0.28);
  --material: rgba(255, 255, 255, 0.64);
  --material-thick: rgba(255, 255, 255, 0.88);
  --material-chrome: rgba(255, 255, 255, 0.78);
  --shadow-nav: 0 10px 36px rgba(0, 0, 0, 0.1);
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.08);
  --inset-light: inset 0 0.5px 0 rgba(255, 255, 255, 0.85);
}

/* Scoped transition window: JS toggles this class for ~300ms around a
   theme switch so the swap eases instead of jumping (kept off the page
   permanently to avoid interfering with press/hover transitions). */
.theme-transition,
.theme-transition * {
  transition: background-color 260ms ease, border-color 260ms ease, color 260ms ease, box-shadow 260ms ease !important;
}

@media (prefers-contrast: more) {
  :root {
    --material: var(--bg-elevated);
    --material-thick: var(--bg-elevated);
    --material-chrome: var(--bg-elevated);
    --secondary: color-mix(in srgb, var(--label) 78%, transparent);
    --hairline: var(--hairline-strong);
  }
}

@media (prefers-reduced-transparency: reduce) {
  :root {
    --material: var(--bg-elevated);
    --material-thick: var(--bg-elevated);
    --material-chrome: var(--bg-elevated);
    --blur: 0px;
    --blur-thick: 0px;
  }
}

html {
  scroll-padding-top: 5.5rem;
  background: var(--bg);
}

body {
  background: var(--bg);
  color: var(--label);
  min-height: 100svh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-locked {
  overflow: hidden;
}

::selection {
  background: var(--tint);
  color: #fff;
}

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

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

button {
  font: inherit;
  color: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--tint);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: 0.75rem;
  z-index: 400;
  padding: 0.55rem 0.85rem;
  border-radius: 999px;
  background: var(--label);
  color: var(--bg);
  font-size: 0.875rem;
  font-weight: 600;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: none;
}

.wrap {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 var(--pad);
}

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

/* Press: highlight on pointer-down */
.press {
  position: relative;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--ease-press);
}

.press::after {
  content: "";
  position: absolute;
  inset: -0.625rem;
}

.press.is-pressed,
.press:active {
  transform: scale(0.97);
}

@media (prefers-reduced-motion: reduce) {
  .press.is-pressed,
  .press:active {
    transform: none;
  }
}

/* ─── Nav ─── */
.nav-shell {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  justify-content: center;
  padding: calc(0.75rem + env(safe-area-inset-top)) var(--pad) 0;
  pointer-events: none;
}

.nav-shell::after {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 5.5rem;
  pointer-events: none;
  background: linear-gradient(to bottom, var(--bg) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 240ms ease;
}

.nav-shell.is-scrolled::after {
  opacity: 0.72;
}

.nav {
  pointer-events: auto;
  position: relative;
  z-index: 1;
  width: min(46rem, 100%);
  height: 3.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.35rem 0.4rem 0.35rem 1rem;
  border-radius: 999px;
  background: var(--material);
  backdrop-filter: blur(var(--blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  box-shadow: var(--shadow-nav), var(--inset-light);
  border: 1px solid var(--hairline);
  transform-origin: top center;
}

.nav-logo {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 1rem;
  letter-spacing: -0.03em;
  padding: 0.25rem 0.15rem;
}

.nav-logo span {
  color: var(--tint);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.nav-links a {
  font-size: 0.8125rem;
  font-weight: 510;
  color: var(--secondary);
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  transition: color var(--ease-press), background var(--ease-press), transform var(--ease-press);
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--label);
  background: color-mix(in srgb, var(--label) 7%, transparent);
}

.nav-links a:active {
  transform: scale(0.96);
}

.nav-end {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.5rem;
  padding: 0 1rem;
  border-radius: 999px;
  background: var(--label);
  color: var(--bg);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.nav-cta:hover {
  opacity: 0.9;
}

.theme-btn {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--secondary);
}

.theme-btn:hover {
  color: var(--label);
  background: color-mix(in srgb, var(--label) 7%, transparent);
}

.theme-icon-stack {
  display: grid;
  width: 1.1rem;
  height: 1.1rem;
}

.theme-icon {
  grid-area: 1 / 1;
  width: 1.1rem;
  height: 1.1rem;
  transition: opacity 220ms ease, transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
}

.theme-icon-sun {
  opacity: 0;
  transform: rotate(-45deg) scale(0.6);
}

.theme-icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-icon-sun,
[data-theme="dark"] .theme-icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

[data-theme="light"] .theme-icon-moon {
  opacity: 0;
  transform: rotate(45deg) scale(0.6);
}

.sheet-theme {
  display: flex;
  width: 100%;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.65rem;
  padding: 0.75rem 0.85rem;
  border-radius: 0.95rem;
  background: color-mix(in srgb, var(--label) 5%, transparent);
  color: var(--label);
}

.sheet-theme .theme-icon-stack {
  width: 1.15rem;
  height: 1.15rem;
  color: var(--secondary);
}

.sheet-theme-label {
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.menu-btn {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  gap: 0.28rem;
  flex-direction: column;
}

.menu-btn span {
  display: block;
  width: 1.05rem;
  height: 1.5px;
  border-radius: 99px;
  background: var(--label);
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1), opacity 200ms ease;
}

.menu-btn.is-open span:nth-child(1) {
  transform: translateY(0.3rem) rotate(45deg);
}

.menu-btn.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-btn.is-open span:nth-child(3) {
  transform: translateY(-0.3rem) rotate(-45deg);
}

@media (max-width: 48rem) {
  .nav-links,
  .nav-cta {
    display: none;
  }

  .menu-btn {
    display: flex;
  }

  .nav {
    padding-right: 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .menu-btn span,
  .nav-shell::after {
    transition: opacity 200ms ease;
  }

  .menu-btn.is-open span:nth-child(1),
  .menu-btn.is-open span:nth-child(3) {
    transform: none;
  }
}

/* ─── Page stage (pushed back by modal) ─── */
.stage {
  will-change: transform;
  transform-origin: center top;
}

/* ─── Hero ─── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 7.5rem 0 5rem;
  position: relative;
}

.hero-glow {
  position: absolute;
  left: 50%;
  top: 12%;
  width: min(42rem, 90vw);
  height: min(42rem, 90vw);
  transform: translateX(-50%);
  background: radial-gradient(circle, color-mix(in srgb, var(--tint) 18%, transparent) 0%, transparent 68%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.85rem 0.4rem 0.55rem;
  border-radius: 999px;
  background: var(--green-soft);
  color: var(--green);
  font-size: 0.8125rem;
  font-weight: 550;
  border: 1px solid color-mix(in srgb, var(--green) 22%, transparent);
}

.status-dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--green) 22%, transparent);
}

.display {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.035em;
  font-optical-sizing: auto;
  max-width: 14ch;
  margin-bottom: 1.15rem;
}

.display em {
  font-style: normal;
  color: var(--tint);
}

.lede {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  line-height: 1.55;
  letter-spacing: 0.005em;
  color: var(--secondary);
  max-width: 36rem;
  margin-bottom: 2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 2.85rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  border: 1px solid transparent;
}

.btn-fill {
  background: var(--label);
  color: var(--bg);
}

.btn-ghost {
  background: var(--material);
  color: var(--label);
  border-color: var(--hairline);
  backdrop-filter: blur(var(--blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(160%);
  box-shadow: var(--inset-light);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.5rem;
  padding-top: 1.5rem;
  position: relative;
}

.hero-meta::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2.5rem;
  pointer-events: none;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--label) 10%, transparent), transparent);
  mask-image: linear-gradient(to right, transparent, #000 8%, #000 92%, transparent);
}

.hero-meta a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8125rem;
  font-weight: 510;
  color: var(--tertiary);
  padding: 0.35rem 0;
}

.hero-meta a:hover {
  color: var(--label);
}

.hero-meta svg {
  width: 0.95rem;
  height: 0.95rem;
}

/* ─── Skills ─── */
.skills {
  padding: 0 0 1rem;
}

.skill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill {
  font-size: 0.8125rem;
  font-weight: 510;
  color: var(--secondary);
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  box-shadow: var(--inset-light);
}

/* ─── Sections ─── */
.section {
  padding: var(--section) 0;
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 590;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--tertiary);
}

.section-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.875rem;
  font-weight: 510;
  color: var(--tint);
}

.section-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.section-link svg {
  width: 0.85rem;
  height: 0.85rem;
}

/* ─── Capabilities ─── */
.caps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.cap {
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 1.45rem 1.3rem 1.35rem;
  box-shadow: var(--inset-light);
  min-height: 100%;
}

.cap-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 0.8rem;
  margin-bottom: 1rem;
  background: var(--tint-soft);
  color: var(--tint);
}

.cap-icon svg {
  width: 1.15rem;
  height: 1.15rem;
}

.cap h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 0.45rem;
}

.cap p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--secondary);
}

/* ─── Projects ─── */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  overflow: hidden;
  border-radius: 1.65rem;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  box-shadow: var(--inset-light);
  color: inherit;
  text-align: left;
  width: 100%;
  transform-origin: center;
}

.project:nth-child(even) {
  direction: rtl;
}

.project:nth-child(even) > * {
  direction: ltr;
}

.project-thumb {
  position: relative;
  min-height: 16.5rem;
  overflow: hidden;
  background: var(--bg-elevated-2);
}

.project-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, color-mix(in srgb, var(--bg-elevated) 55%, transparent));
  pointer-events: none;
}

.project-cover {
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: contain;
  background: var(--bg-elevated-2);
}

.project-thumb:has(.project-cover)::after {
  background: none;
}

.art {
  position: absolute;
  inset: 0;
}

.art-femflow {
  background:
    radial-gradient(circle at 28% 30%, rgba(255, 105, 180, 0.35), transparent 36%),
    radial-gradient(circle at 72% 62%, rgba(10, 132, 255, 0.28), transparent 40%),
    linear-gradient(145deg, #2a1b28, #14141a);
}

.art-uzmstats {
  background:
    linear-gradient(180deg, transparent 0%, transparent 100%),
    linear-gradient(135deg, #152033, #0e1016);
}

.art-uzmstats span {
  position: absolute;
  bottom: 18%;
  width: 12%;
  border-radius: 0.35rem 0.35rem 0 0;
  background: color-mix(in srgb, var(--tint) 70%, white);
  opacity: 0.55;
}

.art-uzmstats span:nth-child(1) { left: 18%; height: 28%; }
.art-uzmstats span:nth-child(2) { left: 34%; height: 46%; }
.art-uzmstats span:nth-child(3) { left: 50%; height: 34%; }
.art-uzmstats span:nth-child(4) { left: 66%; height: 58%; }

.art-sai {
  background: radial-gradient(circle at 50% 50%, #1c2436, #101216);
}

.art-sai i {
  position: absolute;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: #8ec5ff;
  box-shadow: 0 0 0 6px rgba(142, 197, 255, 0.12);
}

.art-sai i:nth-child(1) { left: 28%; top: 32%; }
.art-sai i:nth-child(2) { left: 62%; top: 28%; }
.art-sai i:nth-child(3) { left: 48%; top: 58%; }
.art-sai i:nth-child(4) { left: 70%; top: 62%; }

.art-anton {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(145deg, #1a2218, #121412);
  background-size: 18px 18px, 18px 18px, auto;
}

.art-anton b {
  position: absolute;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.3rem;
  background: #3ddc84;
  opacity: 0.45;
  left: 38%;
  top: 36%;
  box-shadow: 3.1rem 1.4rem 0 #5b8def, -2.4rem 2rem 0 #f5c14a;
}

.project-body {
  padding: 2rem 1.8rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.project-type {
  font-size: 0.7rem;
  font-weight: 590;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tertiary);
  margin-bottom: 0.55rem;
}

.project-body h3 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 0.6rem;
}

.project-body p {
  font-size: 0.925rem;
  line-height: 1.6;
  color: var(--secondary);
  margin-bottom: 1.1rem;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: var(--tint-soft);
  color: var(--tint);
}

.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.875rem;
  font-weight: 590;
  color: var(--tint);
}

.project-cta svg {
  width: 0.9rem;
  height: 0.9rem;
}

/* ─── Open source ─── */
.oss-head {
  margin: 2.75rem 0 1rem;
}

.oss-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.oss-card {
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.2rem 1.2rem;
  box-shadow: var(--inset-light);
}

.oss-top {
  margin-bottom: 0.5rem;
}

.oss-title {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--label);
}

.oss-title:hover h4 {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.oss-title h4 {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.oss-title svg {
  width: 0.8rem;
  height: 0.8rem;
  color: var(--tertiary);
  flex-shrink: 0;
}

.oss-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--secondary);
  margin-bottom: 0.85rem;
}

.oss-card code {
  font-family: var(--font-mono);
  font-size: 0.8em;
  color: var(--label);
}

.oss-demo {
  color: var(--tint);
  font-weight: 550;
  white-space: nowrap;
}

.oss-demo:hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.oss-card .tags {
  margin-bottom: 0;
}

/* ─── Experience ─── */
.exp-list {
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--inset-light);
}

.exp-item {
  display: grid;
  grid-template-columns: 9.5rem 1fr;
  gap: 1.5rem;
  padding: 1.25rem 1.35rem;
  position: relative;
}

.exp-item + .exp-item::before {
  content: "";
  position: absolute;
  left: 1.35rem;
  right: 1.35rem;
  top: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--hairline) 8%, var(--hairline) 92%, transparent);
}

.exp-time {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--tertiary);
  padding-top: 0.2rem;
}

.exp-role {
  font-size: 1.02rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.exp-place {
  font-size: 0.9rem;
  color: var(--tint);
  font-weight: 550;
  margin: 0.15rem 0 0.4rem;
}

.exp-desc {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--secondary);
}

/* ─── About ─── */
.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
}

.about-prose {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--secondary);
}

.about-prose p + p {
  margin-top: 1rem;
}

.about-prose strong {
  color: var(--label);
  font-weight: 620;
}

.about-side {
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.side-block h4 {
  font-size: 0.7rem;
  font-weight: 590;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--tertiary);
  margin-bottom: 0.65rem;
}

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

.pill {
  font-size: 0.8125rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  color: var(--secondary);
  box-shadow: var(--inset-light);
}

/* ─── Contact ─── */
.contact-lead h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.05;
  max-width: 14ch;
  margin-bottom: 0.85rem;
}

.contact-lead p {
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--secondary);
  max-width: 34rem;
  margin-bottom: 1.75rem;
}

.contact-list {
  background: var(--bg-elevated);
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 36rem;
  box-shadow: var(--inset-light);
}

.contact-link {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.95rem 1.1rem;
  position: relative;
}

.contact-link + .contact-link::before {
  content: "";
  position: absolute;
  left: 4.1rem;
  right: 1.1rem;
  top: 0;
  height: 1px;
  background: var(--hairline);
}

.cl-icon {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.7rem;
  display: grid;
  place-items: center;
  background: var(--bg-elevated-2);
  flex-shrink: 0;
}

.cl-icon svg {
  width: 1rem;
  height: 1rem;
  color: var(--secondary);
}

.cl-label {
  font-size: 0.72rem;
  color: var(--tertiary);
  font-weight: 550;
}

.cl-value {
  font-size: 0.975rem;
  font-weight: 550;
  letter-spacing: -0.015em;
}

.cl-arrow {
  margin-left: auto;
  color: var(--tertiary);
  width: 1rem;
  height: 1rem;
}

/* ─── Footer ─── */
.footer {
  padding: 2rem 0 calc(2rem + env(safe-area-inset-bottom));
  position: relative;
}

.footer::before {
  content: "";
  position: absolute;
  left: var(--pad);
  right: var(--pad);
  top: 0;
  height: 2.5rem;
  pointer-events: none;
  background: linear-gradient(to bottom, color-mix(in srgb, var(--label) 8%, transparent), transparent);
  mask-image: linear-gradient(to right, transparent, #000 10%, #000 90%, transparent);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-copy,
.footer-nav a {
  font-size: 0.8125rem;
  color: var(--tertiary);
}

.footer-nav {
  display: flex;
  gap: 1.15rem;
}

.footer-nav a:hover {
  color: var(--label);
}

/* ─── To top ─── */
.to-top {
  position: fixed;
  right: max(1.15rem, env(safe-area-inset-right));
  bottom: max(1.15rem, env(safe-area-inset-bottom));
  z-index: 90;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--material-chrome);
  backdrop-filter: blur(var(--blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  border: 1px solid var(--hairline);
  box-shadow: var(--shadow-nav), var(--inset-light);
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.75rem) scale(0.92);
}

.to-top.is-visible {
  pointer-events: auto;
}

.to-top svg {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--label);
}

/* ─── Sheet + scrim ─── */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 240;
  background: var(--scrim);
  opacity: 0;
  pointer-events: none;
}

.sheet {
  position: fixed;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0;
  z-index: 260;
  padding: 0.35rem 1.15rem calc(1.4rem + env(safe-area-inset-bottom));
  border-radius: 1.65rem 1.65rem 0 0;
  background: var(--material-thick);
  backdrop-filter: blur(var(--blur-thick)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-thick)) saturate(180%);
  border: 1px solid var(--hairline);
  border-bottom: 0;
  box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.35), var(--inset-light);
  transform: translate3d(0, 110%, 0);
  touch-action: none;
  will-change: transform;
}

.sheet-handle {
  width: 2.25rem;
  height: 0.3rem;
  border-radius: 99px;
  background: color-mix(in srgb, var(--label) 22%, transparent);
  margin: 0.55rem auto 1.15rem;
}

.sheet-nav {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.sheet-nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  padding: 0.75rem 0.85rem;
  border-radius: 0.95rem;
  font-size: 1.125rem;
  font-weight: 620;
  letter-spacing: -0.02em;
  background: color-mix(in srgb, var(--label) 5%, transparent);
}

.sheet-nav a:active {
  transform: scale(0.985);
}

/* ─── Case study sheet ─── */
.case-scrim {
  z-index: 245;
}

.case {
  position: fixed;
  z-index: 265;
  left: 0.5rem;
  right: 0.5rem;
  bottom: 0;
  top: auto;
  height: min(90vh, 100% - 2rem);
  border-radius: 1.65rem 1.65rem 0 0;
  background: var(--material-thick);
  backdrop-filter: blur(var(--blur-thick)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-thick)) saturate(180%);
  border: 1px solid var(--hairline);
  border-bottom: 0;
  box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.35), var(--inset-light);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translate3d(0, 115%, 0);
}

.case-handle {
  flex-shrink: 0;
  width: 100%;
  height: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  touch-action: none;
  cursor: grab;
}

.case-handle::after {
  content: "";
  width: 2.25rem;
  height: 0.3rem;
  border-radius: 99px;
  background: color-mix(in srgb, var(--label) 22%, transparent);
}

.case-close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 2;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  display: grid;
  place-items: center;
  background: var(--material-chrome);
  backdrop-filter: blur(var(--blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  border: 1px solid var(--hairline);
  color: var(--label);
}

.case-close svg {
  width: 1rem;
  height: 1rem;
}

.case-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
}

.case-hero {
  position: relative;
  min-height: 14rem;
  background: var(--bg-elevated-2);
  overflow: hidden;
}

.case-hero .art {
  position: absolute;
  inset: 0;
}

.case-gallery {
  position: absolute;
  inset: 0;
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.case-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  position: relative;
}

.case-image-link {
  display: block;
  width: 100%;
  height: 100%;
  cursor: zoom-in;
}

.case-slide img,
.case-slide video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.case-embed {
  position: absolute;
  inset: 0;
}

.case-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.case-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.85rem;
  display: flex;
  justify-content: center;
  gap: 0.4rem;
  align-items: center;
  z-index: 1;
}

.case-dot {
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 999px;
  background: rgba(45, 45, 50, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.7);
  transition: background var(--ease-press), transform var(--ease-press);
}

.case-dot.is-active {
  background: var(--accent, #007aff);
  transform: scale(1.08);
}

.case-dot-video {
  width: auto;
  padding: 0 0.65rem;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 600;
}

.case-note {
  position: absolute;
  left: 1.35rem;
  right: 1.35rem;
  bottom: 1.1rem;
  font-size: 0.8rem;
  color: rgba(245, 245, 247, 0.72);
}

.case-body {
  padding-top: 1.6rem;
  padding-bottom: 3rem;
}

.case-meta {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.6rem;
}

.case-type {
  font-size: 0.7rem;
  font-weight: 590;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--tertiary);
}

.case-year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--tertiary);
}

.case-year:empty {
  display: none;
}

.case-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 4vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: 0.85rem;
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
}

.case-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.case-links:empty {
  display: none;
}

.case-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.6rem;
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 600;
  background: var(--label);
  color: var(--bg);
}

.case-link.is-ghost {
  background: var(--bg-elevated);
  color: var(--label);
  border: 1px solid var(--hairline);
}

.case-link svg {
  width: 0.9rem;
  height: 0.9rem;
}

.case-desc p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--secondary);
  max-width: 40rem;
}

.case-desc p + p {
  margin-top: 1rem;
}

.case-role {
  font-size: 0.9rem;
  font-weight: 590;
  color: var(--label);
  margin-bottom: 1.1rem;
}

@media (min-width: 48rem) {
  .case {
    left: 50%;
    right: auto;
    bottom: auto;
    top: 50%;
    width: min(44rem, calc(100vw - 3rem));
    height: min(85vh, 46rem);
    border-radius: 1.65rem;
    border-bottom: 1px solid var(--hairline);
    box-shadow: var(--shadow-card), var(--inset-light);
    transform: translate3d(-50%, -50%, 0) scale(0.94);
    opacity: 0;
  }

  .case-handle {
    display: none;
  }

  .case-hero {
    min-height: 20rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .case {
    transition: opacity 200ms ease;
  }
}

/* ─── Reveal seed (JS springs take over) ─── */
.no-js .reveal {
  opacity: 1;
  transform: none;
}

.reveal {
  opacity: 0;
  transform: translate3d(0, 1.25rem, 0);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    transform: none;
    opacity: 0;
  }

  .reveal.is-in {
    opacity: 1;
  }

  .to-top {
    transform: none;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .nav,
  .btn-ghost,
  .to-top,
  .sheet,
  .case,
  .case-close {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}

@media (prefers-contrast: more) {
  .nav,
  .cap,
  .project,
  .oss-card,
  .exp-list,
  .contact-list,
  .sheet,
  .case,
  .btn-ghost,
  .skill,
  .pill {
    border-color: var(--label);
  }
}

/* ─── Responsive ─── */
@media (max-width: 54rem) {
  .caps-grid,
  .oss-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .project,
  .project:nth-child(even) {
    grid-template-columns: 1fr;
    direction: ltr;
  }

  .project-thumb {
    min-height: 12.5rem;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .exp-item {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

@media (max-width: 36rem) {
  .caps-grid,
  .oss-grid {
    grid-template-columns: 1fr;
  }

  .project-body {
    padding: 1.35rem 1.15rem 1.5rem;
  }

  .project-body h3 {
    font-size: 1.3rem;
  }

  .footer-row {
    flex-direction: column;
    align-items: flex-start;
  }

  .display {
    max-width: none;
  }
}

@media print {
  .nav-shell,
  .to-top,
  .scrim,
  .sheet,
  .case,
  .hero-glow,
  .menu-btn {
    display: none !important;
  }

  body {
    background: #fff;
    color: #111;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .section {
    padding: 1.5rem 0;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}