:root {
  --color-olive: #2f3439;
  --color-sky: #4b5563;
  --color-sand: #6b7280;
  --color-tan: #9ca3af;
  --color-cream: #f3f4f6;
  --color-violet: #7c3aed;
  --color-violet-soft: #a78bfa;

  --bg: #ffffff;
  --surface: rgba(255, 255, 255, 0.94);
  --text: #111827;
  --muted: #334155;
  --border: rgba(15, 23, 42, 0.16);
  --accent: #2563eb;
  --header-bg: rgba(255, 255, 255, 0.86);
  --cursor: rgba(26, 26, 26, 0.25);
  --selection: rgba(75, 85, 99, 0.24);

  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px rgba(44, 34, 13, 0.12);
  --container: min(1180px, 92vw);
  --header-h: 78px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

:root[data-theme="dark"] {
  --bg: #050608;
  --surface: rgba(9, 11, 15, 0.9);
  --text: #e7ebf3;
  --muted: #a8b0bf;
  --border: rgba(180, 192, 212, 0.2);
  --accent: #8ab4ff;
  --header-bg: rgba(6, 8, 12, 0.92);
  --cursor: rgba(240, 237, 230, 0.2);
  --selection: rgba(107, 114, 128, 0.25);
}

:root[data-theme="dark"] body {
  background:
    radial-gradient(circle at 12% 8%, rgba(59, 130, 246, 0.14), transparent 36%),
    radial-gradient(circle at 62% 2%, rgba(124, 58, 237, 0.12), transparent 34%),
    radial-gradient(circle at 84% 14%, rgba(14, 165, 233, 0.1), transparent 34%),
    linear-gradient(170deg, rgba(2, 4, 8, 0.98), rgba(5, 8, 14, 0.98)),
    var(--bg);
}

* {
  box-sizing: border-box;
}

*::selection {
  background: var(--selection);
}

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--color-olive) transparent;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(37, 99, 235, 0.08), transparent 40%),
    radial-gradient(circle at 62% 2%, rgba(14, 165, 233, 0.06), transparent 34%),
    radial-gradient(circle at 84% 14%, rgba(99, 102, 241, 0.06), transparent 36%),
    linear-gradient(170deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.92)),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 300ms var(--ease-out), color 300ms var(--ease-out);
}

body::-webkit-scrollbar {
  width: 10px;
}

body::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--color-sky), var(--color-tan));
  border-radius: 999px;
}

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

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0 min(4vw, 32px);
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background 280ms var(--ease-out), border-color 280ms var(--ease-out), backdrop-filter 280ms var(--ease-out);
}

.site-header .logo {
  position: absolute;
  left: min(4vw, 32px);
}

.site-header .header-actions {
  position: absolute;
  right: min(4vw, 32px);
}

.site-header.scrolled {
  background: var(--header-bg);
  border-color: var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.logo {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.logo-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: inline-block;
  object-fit: cover;
  border: 1px solid var(--border);
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 1.3vw, 1.2rem);
}

.site-header nav a {
  font-size: 0.92rem;
  position: relative;
  color: var(--muted);
}

.site-header nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background: var(--text);
  transition: width 220ms var(--ease-out);
}

.site-header nav a:hover::after {
  width: 100%;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.btn {
  position: relative;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 0.45rem;
  padding: 0.75rem 1.2rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  transition: transform 220ms var(--ease-out), color 220ms var(--ease-out);
  transform: translateZ(0);
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #3b4450, var(--color-violet));
  clip-path: circle(0% at 0 50%);
  transition: clip-path 320ms var(--ease-out);
  z-index: -1;
}

.btn:hover::before,
.btn:focus-visible::before {
  clip-path: circle(140% at 0 50%);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  color: #fff;
}

.btn-outline {
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
}

.btn-soft {
  border: 1px solid transparent;
  background: linear-gradient(120deg, rgba(75, 85, 99, 0.16), rgba(124, 58, 237, 0.22));
}

.btn-violet {
  border: 1px solid rgba(124, 58, 237, 0.55);
  background: linear-gradient(135deg, #7c3aed, #6d28d9);
  color: #fff;
}

.btn-violet::before {
  background: linear-gradient(135deg, #5b21b6, #4c1d95);
}

.lang-switch,
.theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
  transition: transform 220ms var(--ease-out), background 220ms var(--ease-out);
}

.lang-switch:hover,
.theme-toggle:hover {
  transform: translateY(-2px);
  background: rgba(107, 114, 128, 0.24);
}

.theme-toggle {
  cursor: pointer;
}

:root[data-theme="light"] .icon-moon,
:root[data-theme="dark"] .icon-sun {
  display: none;
}

main {
  position: relative;
}

.section {
  position: relative;
  padding: clamp(5rem, 8vw, 8rem) 0;
}

.section-inner {
  width: var(--container);
  margin: 0 auto;
  position: relative;
  z-index: 3;
}

.section h2 {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1.2rem;
}

.section p {
  max-width: 72ch;
  color: var(--muted);
}

.section-divider {
  width: var(--container);
  margin: 0 auto;
  height: 1px;
  background: linear-gradient(120deg, transparent, var(--border), transparent);
  transform: skewX(-28deg);
  transform-origin: left center;
}

.hero {
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: clip;
  padding-top: var(--header-h);
}

#three-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: grid;
  place-items: center;
}

#heroParticles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.95;
}

.about-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
  gap: clamp(1rem, 3vw, 2.1rem);
  align-items: center;
}

.about-copy {
  min-width: 0;
}

.about-model-wrap {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.1));
  box-shadow: var(--shadow);
  min-height: 340px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.about-model-wrap model-viewer {
  width: min(440px, 100%);
  height: min(440px, 100%);
  min-width: 260px;
  min-height: 260px;
  pointer-events: auto;
  --progress-bar-color: transparent;
  --poster-color: transparent;
  filter: drop-shadow(0 22px 36px rgba(0, 0, 0, 0.2));
}

.about-model-wrap .fbx-canvas {
  width: 100%;
  height: 100%;
  min-height: 340px;
  display: block;
}

:root[data-theme="dark"] .about-model-wrap model-viewer {
  filter: drop-shadow(0 22px 40px rgba(124, 58, 237, 0.3));
}

:root[data-theme="dark"] .about-model-wrap,
:root[data-theme="dark"] .timeline-item,
:root[data-theme="dark"] .project-card,
:root[data-theme="dark"] .info-card {
  background: linear-gradient(155deg, rgba(11, 13, 18, 0.94), rgba(17, 20, 28, 0.9));
}

:root[data-theme="dark"] .btn-outline,
:root[data-theme="dark"] .lang-switch,
:root[data-theme="dark"] .theme-toggle,
:root[data-theme="dark"] .contact-link,
:root[data-theme="dark"] .hero-kicker {
  background: rgba(14, 17, 24, 0.92);
}

:root[data-theme="dark"] .hero-overlay {
  background:
    radial-gradient(circle at 25% 35%, rgba(112, 132, 170, 0.1), transparent 45%),
    linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.48));
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 25% 35%, rgba(243, 244, 246, 0.24), transparent 45%),
    linear-gradient(180deg, rgba(15, 15, 15, 0), rgba(15, 15, 15, 0.12));
  mix-blend-mode: multiply;
}

:root[data-theme="dark"] .hero-overlay {
  background:
    radial-gradient(circle at 25% 35%, rgba(156, 163, 175, 0.1), transparent 45%),
    linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.36));
}

.hero-content {
  position: relative;
  z-index: 3;
  width: var(--container);
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 0.5rem;
  padding: 0.32rem 0.65rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.14);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  display: grid;
  gap: 0.2rem;
  line-height: 0.95;
}

.hero-line {
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(5rem, 14vw, 9rem);
  letter-spacing: -0.05em;
}

.glitch {
  position: relative;
  width: fit-content;
}

.hero-line.glitch {
  font-size: clamp(2rem, 6vw, 4rem);
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  mix-blend-mode: screen;
  opacity: 0.45;
}

.glitch::before {
  transform: translate(1px, 0);
  color: var(--color-tan);
}

.glitch::after {
  transform: translate(-1px, 0);
  color: var(--color-sky);
}

.hero-typing {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  margin-top: 1.4rem;
  max-width: 42ch;
}

.hero-intro {
  margin: 1rem 0 0;
  max-width: 72ch;
  color: var(--muted);
}

#typingWords {
  color: var(--accent);
  font-weight: 700;
  min-width: 12ch;
  display: inline-block;
}

.hero-cta {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 1.1rem;
  left: 50%;
  transform: translateX(-50%);
  display: grid;
  justify-items: center;
  gap: 0.5rem;
  color: var(--muted);
}

.scroll-mouse {
  width: 24px;
  height: 38px;
  border-radius: 16px;
  border: 1px solid var(--border);
  display: inline-grid;
  justify-items: center;
  padding-top: 7px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.scroll-wheel {
  width: 4px;
  height: 8px;
  border-radius: 999px;
  background: var(--text);
  animation: wheel-drop 1.5s cubic-bezier(0.22, 1, 0.36, 1) infinite;
}

.scroll-arrows {
  display: grid;
  gap: 2px;
}

.scroll-arrows i {
  display: block;
  width: 9px;
  height: 9px;
  border-right: 1.6px solid var(--text);
  border-bottom: 1.6px solid var(--text);
  transform: rotate(45deg);
  opacity: 0.3;
  animation: arrow-pulse 1.5s ease-in-out infinite;
}

.scroll-arrows i:nth-child(2) {
  animation-delay: 0.18s;
}

@keyframes wheel-drop {
  0% {
    transform: translateY(0);
    opacity: 0.95;
  }

  65% {
    transform: translateY(11px);
    opacity: 0.2;
  }

  100% {
    transform: translateY(0);
    opacity: 0.95;
  }
}

@keyframes arrow-pulse {
  0%,
  100% {
    opacity: 0.25;
    transform: translateY(0) rotate(45deg);
  }

  50% {
    opacity: 0.85;
    transform: translateY(4px) rotate(45deg);
  }
}

.timeline-horizontal {
  display: grid;
  grid-template-columns: 1fr;
  justify-items: center;
  gap: 1rem;
  overflow: visible;
  max-width: 920px;
  margin: 0 auto;
}

.timeline-item {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.08));
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  transform: translateZ(0);
  transform-origin: center center;
  overflow: hidden;
  isolation: isolate;
  transition: transform 300ms var(--ease-out), border-color 220ms var(--ease-out), box-shadow 240ms var(--ease-out);
  width: min(100%, 840px);
}

.timeline-item:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.45);
  box-shadow: 0 28px 60px rgba(76, 29, 149, 0.18);
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: -45%;
  bottom: -45%;
  left: -32%;
  width: 164%;
  border-radius: 44%;
  background: linear-gradient(100deg, transparent 28%, rgba(255, 255, 255, 0.2) 48%, transparent 70%);
  opacity: 0;
  transform: translateX(-55%) rotate(12deg);
  transition: opacity 220ms var(--ease-out), transform 560ms var(--ease-out);
  pointer-events: none;
}

.timeline-item:hover::before {
  opacity: 0.75;
  transform: translateX(36%) rotate(12deg);
}

.timeline-year {
  display: inline-block;
  margin-bottom: 0.6rem;
  font-family: "Space Grotesk", sans-serif;
  color: var(--accent);
}

.timeline-item h3 {
  margin: 0 0 0.35rem;
  font-size: 1.08rem;
}

.timeline-item p {
  margin: 0;
  text-align: left;
}

.timeline-head {
  display: flex;
  align-items: center;
  gap: 0.68rem;
  margin-bottom: 0.52rem;
}

.company-logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.45);
  flex: 0 0 auto;
  object-fit: cover;
}

:root[data-theme="dark"] .company-logo {
  background: rgba(255, 255, 255, 0.08);
}

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

.publications-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.publication-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.08));
  box-shadow: var(--shadow);
}

.publication-item h3 {
  margin: 0 0 0.35rem;
  font-family: "Space Grotesk", sans-serif;
}

.publication-item p {
  margin: 0;
}

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

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

.trading-stat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  background: linear-gradient(150deg, var(--surface), rgba(37, 99, 235, 0.08));
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.2rem;
}

.trading-stat-card span {
  color: var(--muted);
  font-size: 0.84rem;
}

.trading-stat-card strong {
  font-size: 1.18rem;
  font-family: "Space Grotesk", sans-serif;
}

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

.trading-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.08));
  box-shadow: var(--shadow);
}

.trading-card h3 {
  margin: 0 0 0.35rem;
  font-family: "Space Grotesk", sans-serif;
}

.trading-card p {
  margin: 0;
}

.journal-embed {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.08));
  box-shadow: var(--shadow);
}

.journal-embed h3 {
  margin: 0 0 0.65rem;
  font-family: "Space Grotesk", sans-serif;
}

.journal-embed iframe {
  width: 100%;
  height: 760px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
}

.highlight-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: linear-gradient(150deg, var(--surface), rgba(37, 99, 235, 0.08));
  box-shadow: var(--shadow);
}

.highlight-card h3 {
  margin: 0 0 0.35rem;
  font-family: "Space Grotesk", sans-serif;
}

.highlight-card p {
  margin: 0;
}

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

.info-grid-compact {
  grid-template-columns: repeat(2, minmax(180px, 280px));
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
}

.info-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.08));
  box-shadow: var(--shadow);
  transition: transform 260ms var(--ease-out), border-color 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}

.info-card:hover {
  transform: translateY(-4px);
  border-color: rgba(124, 58, 237, 0.4);
  box-shadow: 0 24px 52px rgba(76, 29, 149, 0.16);
}

.info-card h3 {
  margin: 0 0 0.3rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.04rem;
}

.education-title {
  display: flex;
  align-items: center;
  gap: 0.58rem;
}

.education-logo {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  border: 1px solid var(--border);
  flex: 0 0 auto;
}

.github-header-actions {
  margin: 1rem 0 1.15rem;
  display: flex;
  justify-content: center;
}

#github .section-inner {
  text-align: center;
}

#github .section-inner > p {
  margin-left: auto;
  margin-right: auto;
}

.github-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 840px;
  margin: 0 auto;
  justify-items: center;
}

.github-stat-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.6rem;
  background: linear-gradient(150deg, var(--surface), rgba(37, 99, 235, 0.08));
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 740px);
}

.github-stat-card img {
  width: min(100%, 340px);
  height: auto;
  display: block;
}

.github-stat-card-wide {
  grid-column: 1 / -1;
}

.github-stat-card-wide img {
  width: min(100%, 700px);
}

:root[data-theme="dark"] .github-stat-card {
  background: linear-gradient(155deg, rgba(11, 13, 18, 0.94), rgba(17, 20, 28, 0.9));
}

.info-card p {
  margin: 0;
}

.info-period {
  display: inline-block;
  margin-bottom: 0.5rem;
  font-family: "Space Grotesk", sans-serif;
  color: var(--accent);
}

.contact-lead {
  margin: 0 auto 1rem;
  text-align: center;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.7rem;
}

#contact .section-inner {
  text-align: center;
}

.contact-link {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.6rem 0.95rem;
  background: rgba(255, 255, 255, 0.08);
  transition: transform 220ms var(--ease-out), border-color 220ms var(--ease-out), background 220ms var(--ease-out);
}

.contact-link:hover {
  transform: translateY(-2px);
  border-color: rgba(124, 58, 237, 0.5);
  background: rgba(124, 58, 237, 0.14);
}

.site-footer {
  width: var(--container);
  margin: 0 auto 2rem;
  padding: 1rem 0 0.3rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.legal-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.2rem;
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.08));
  box-shadow: var(--shadow);
}

.legal-card h3 {
  margin: 0.9rem 0 0.35rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
}

.legal-card h3:first-child {
  margin-top: 0;
}

.legal-card p {
  margin: 0 0 0.28rem;
  max-width: none;
}

.floating-soft {
  animation: floating-soft 5.2s ease-in-out infinite;
}

@keyframes floating-soft {
  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-7px);
  }
}

.project-card {
  --rx: 0deg;
  --ry: 0deg;
  --tz: 0px;
  position: relative;
  display: grid;
  gap: 0.7rem;
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(150deg, var(--surface), rgba(124, 58, 237, 0.1));
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
  transform-origin: center center;
  transform: perspective(900px) rotateX(var(--rx)) rotateY(var(--ry)) translateY(var(--tz));
  overflow: hidden;
  isolation: isolate;
  transition: transform 300ms var(--ease-out), border-color 220ms var(--ease-out), box-shadow 240ms var(--ease-out);
  will-change: transform;
}

.project-card:hover {
  border-color: rgba(124, 58, 237, 0.48);
  box-shadow: 0 28px 60px rgba(76, 29, 149, 0.2);
}

.project-card::before {
  content: "";
  position: absolute;
  top: -45%;
  bottom: -45%;
  left: -32%;
  width: 164%;
  border-radius: 44%;
  background: linear-gradient(100deg, transparent 28%, rgba(255, 255, 255, 0.2) 48%, transparent 70%);
  opacity: 0;
  transform: translateX(-55%) rotate(12deg);
  transition: opacity 220ms var(--ease-out), transform 560ms var(--ease-out);
  pointer-events: none;
}

.project-card:hover::before {
  opacity: 0.75;
  transform: translateX(36%) rotate(12deg);
}

.project-card h3 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
}

.project-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.38);
}

:root[data-theme="dark"] .project-cover {
  background: rgba(255, 255, 255, 0.08);
}

.project-card p {
  margin: 0;
}

.project-card small {
  color: var(--accent);
  font-weight: 600;
}

.contact-form {
  max-width: 700px;
  display: grid;
  gap: 0.8rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.24);
  color: var(--text);
  padding: 0.85rem 0.9rem;
  font: inherit;
  transition: border-color 200ms var(--ease-out), box-shadow 200ms var(--ease-out);
}

:root[data-theme="dark"] .contact-form input,
:root[data-theme="dark"] .contact-form textarea {
  background: rgba(255, 255, 255, 0.05);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(75, 85, 99, 0.24);
}

@media (max-width: 980px) {
  .site-header nav {
    display: none;
  }

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

  .github-stats-grid {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

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

  .trading-stats,
  .trading-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .journal-embed iframe {
    height: 680px;
  }

  .about-layout {
    grid-template-columns: 1fr;
  }

  .timeline-horizontal {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .timeline-item {
    width: 100%;
  }

  .info-grid,
  .info-grid-compact {
    grid-template-columns: 1fr;
    margin-left: 0;
  }

  .publications-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  :root {
    --header-h: 70px;
  }

  .header-actions .btn {
    display: none;
  }

  .hero-cta {
    width: 100%;
  }

  .hero-cta .btn {
    flex: 1;
    min-width: 148px;
  }

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

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

  .trading-stats,
  .trading-grid {
    grid-template-columns: 1fr;
  }

  .journal-embed iframe {
    height: 560px;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0ms !important;
    scroll-behavior: auto !important;
  }

  .glitch::before,
  .glitch::after {
    display: none;
  }

  .floating-soft {
    animation: none !important;
  }
}