:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --fg: #ededed;
  --fg-muted: #a1a1a1;
  --border: rgba(255, 255, 255, 0.08);
  --accent: #49fcd4;
  --accent-fg: #052e26;
  --font: "Geist", "Inter", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", "IBM Plex Mono", ui-monospace, monospace;
  --header-h: 4.25rem;
  --wrap: 68rem;
  --gutter: clamp(1.25rem, 4vw, 2rem);
  --radius: 0.75rem;
  --ease: 180ms ease;
  --spring: cubic-bezier(0.22, 1, 0.36, 1);
  --spring-out: cubic-bezier(0.16, 1, 0.3, 1);
  --scroll-progress: 0;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--fg);
}

body {
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  letter-spacing: -0.011em;
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

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

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

h1,
h2,
h3 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

h1 {
  font-size: clamp(2.5rem, 7vw, 4.25rem);
}

h2 {
  font-size: clamp(1.65rem, 3.4vw, 2.25rem);
}

p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

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

.skip-link {
  position: absolute;
  left: var(--gutter);
  top: -4rem;
  z-index: 20;
  padding: 0.5rem 0.75rem;
  background: var(--accent);
  color: var(--accent-fg);
  font-size: 0.875rem;
  font-weight: 600;
}

.skip-link:focus {
  top: 0.75rem;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  height: 2px;
  pointer-events: none;
  background: transparent;
}

.scroll-progress__bar {
  display: block;
  height: 100%;
  width: calc(var(--scroll-progress) * 100%);
  background: linear-gradient(90deg, transparent 0%, var(--accent) 20%, var(--accent) 100%);
  box-shadow: 0 0 12px rgba(73, 252, 212, 0.45);
  transform-origin: left center;
  will-change: width;
}

.kicker {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}

.lead {
  color: var(--fg-muted);
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  max-width: 38rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 1.1rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-fg);
  border-radius: 999px;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.btn:hover {
  background: transparent;
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
}

.btn-ghost:hover {
  border-color: var(--fg);
  color: var(--fg);
  background: transparent;
}

.btn-small {
  min-height: 2.25rem;
  padding: 0 0.9rem;
  font-size: 0.8125rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--header-h);
  border-bottom: 1px solid transparent;
  background: rgba(10, 10, 10, 0.86);
  backdrop-filter: blur(14px);
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.logo {
  flex-shrink: 0;
  font-weight: 600;
  letter-spacing: -0.04em;
  white-space: nowrap;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
}

.nav a {
  color: var(--fg-muted);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--ease);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.lang-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.lang-toggle button {
  min-width: 2.4rem;
  height: 2.15rem;
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--fg-muted);
}

.lang-toggle button[aria-pressed="true"] {
  background: var(--fg);
  color: var(--bg);
}

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

.nav-toggle {
  display: none;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 16px;
  height: 1px;
  background: var(--fg);
  transition: transform var(--ease);
}

body.nav-open .nav-toggle span:first-child {
  transform: translateY(3px) rotate(45deg);
}

body.nav-open .nav-toggle span:last-child {
  transform: translateY(-3px) rotate(-45deg);
}

main {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter) 5rem;
}

.noscript-note {
  padding: 1.25rem 0 0;
}

.noscript-note a {
  color: var(--accent);
}

.reveal {
  opacity: 1;
}

html.js .reveal {
  opacity: 1;
}

html.js .reveal-child,
html.js .motion-item {
  opacity: 0;
  transform: translate3d(0, 1.1rem, 0) scale(0.985);
  filter: blur(4px);
  transition:
    opacity 700ms var(--spring-out),
    transform 700ms var(--spring-out),
    filter 700ms var(--spring-out);
  transition-delay: calc(var(--i, 0) * 70ms);
  will-change: opacity, transform, filter;
}

html.js .reveal.is-visible .reveal-child,
html.js .motion-item.is-visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

html.js .hero-anim {
  opacity: 0;
  transform: translate3d(0, 1.25rem, 0);
  filter: blur(6px);
}

html.js.hero-ready .hero-anim {
  animation: hero-enter 900ms var(--spring-out) both;
  animation-delay: calc(120ms + var(--i, 0) * 90ms);
}

@keyframes hero-enter {
  from {
    opacity: 0;
    transform: translate3d(0, 1.25rem, 0);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: none;
    filter: blur(0);
  }
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(16rem, 0.85fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: clamp(2.5rem, 6vw, 5.5rem) 0 clamp(3.5rem, 8vw, 6.5rem);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.hero-ambient {
  position: absolute;
  inset: -10% -5% auto -5%;
  height: 120%;
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(73, 252, 212, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(73, 252, 212, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 70% 55% at 30% 40%, #000 20%, transparent 75%);
  opacity: 0.55;
  transform: translate3d(0, calc(var(--scroll-progress) * -40px), 0);
}

.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(48px);
  opacity: 0.35;
  will-change: transform;
}

.hero-orb--a {
  width: 18rem;
  height: 18rem;
  top: 8%;
  left: 8%;
  background: rgba(73, 252, 212, 0.22);
  transform: translate3d(0, calc(var(--scroll-progress) * 60px), 0);
}

.hero-orb--b {
  width: 14rem;
  height: 14rem;
  top: 35%;
  right: 4%;
  background: rgba(90, 140, 255, 0.18);
  transform: translate3d(0, calc(var(--scroll-progress) * -80px), 0);
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  margin: 0.65rem 0 1.1rem;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.25rem;
  color: var(--fg-muted);
  font-size: 0.9375rem;
}

.dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--fg-muted);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.75rem;
}

.hero-visual {
  position: relative;
  isolation: isolate;
}

.device-frame {
  position: absolute;
  inset: -0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: calc(var(--radius) + 0.85rem);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015));
  pointer-events: none;
  z-index: 0;
}

.device-notch {
  position: absolute;
  top: 0.55rem;
  left: 50%;
  width: 28%;
  height: 0.45rem;
  transform: translateX(-50%);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.device-status {
  position: absolute;
  top: 0.7rem;
  right: 1rem;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(73, 252, 212, 0.7);
  animation: status-pulse 2.4s ease-in-out infinite;
}

@keyframes status-pulse {
  0%,
  100% {
    opacity: 0.55;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.25);
  }
}

.hero-photo {
  position: relative;
  z-index: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg-elevated);
  transform: translate3d(0, calc(var(--parallax-y, 0) * 0.35), 0);
  will-change: transform;
}

.hero-photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: center 28%;
  transform: translate3d(0, calc(var(--parallax-y, 0) * -0.2), 0) scale(1.06);
  will-change: transform;
}

.float-chips {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}

.float-chip {
  position: absolute;
  padding: 0.4rem 0.7rem;
  border: 1px solid rgba(73, 252, 212, 0.28);
  border-radius: 0.65rem;
  background: rgba(10, 10, 10, 0.72);
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  animation: float-chip 5.5s var(--spring) infinite;
}

.float-chip code {
  font-family: inherit;
}

.float-chip--a {
  top: 12%;
  left: -0.75rem;
  animation-delay: 0s;
}

.float-chip--b {
  top: 48%;
  right: -0.9rem;
  animation-delay: -1.8s;
}

.float-chip--c {
  bottom: 14%;
  left: 8%;
  animation-delay: -3.2s;
}

@keyframes float-chip {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -0.55rem, 0);
  }
}

.section {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  border-bottom: 1px solid var(--border);
}

.section-heading {
  display: grid;
  gap: 0.7rem;
  margin-bottom: 2.25rem;
  max-width: 36rem;
}

.prose {
  display: grid;
  gap: 1.1rem;
  max-width: 42rem;
  color: var(--fg-muted);
}

.prose p {
  font-size: 1.0625rem;
}

.timeline-wrap {
  position: relative;
}

.timeline-track {
  position: absolute;
  left: 0;
  top: 0.55rem;
  bottom: 0.55rem;
  width: 1px;
  background: var(--border);
  overflow: hidden;
  pointer-events: none;
}

.timeline-fill {
  display: block;
  width: 100%;
  height: calc(var(--timeline-progress, 0) * 100%);
  background: linear-gradient(180deg, var(--accent), rgba(73, 252, 212, 0.15));
  box-shadow: 0 0 10px rgba(73, 252, 212, 0.35);
  will-change: height;
}

.timeline {
  display: grid;
  gap: 0;
}

.job {
  position: relative;
  padding: 0 0 2.5rem 1.5rem;
  border-left: 1px solid transparent;
}

.job:last-child {
  padding-bottom: 0;
}

.job::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 0.45rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(73, 252, 212, 0.45);
  transition: box-shadow 400ms var(--spring), transform 400ms var(--spring);
}

html.js .job.is-visible::before {
  box-shadow: 0 0 0 6px rgba(73, 252, 212, 0.16);
  transform: scale(1.15);
}

.job-period {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

.job-company {
  margin: 0.35rem 0 0.15rem;
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.job-role {
  color: var(--fg-muted);
  font-size: 0.9375rem;
}

.job-summary {
  margin-top: 0.85rem;
  color: var(--fg-muted);
  max-width: 46rem;
}

.job-achievements {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.9rem;
  max-width: 46rem;
}

.job-achievements li {
  position: relative;
  padding-left: 1rem;
  color: var(--fg-muted);
  font-size: 0.975rem;
}

.job-achievements li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 1px;
  background: var(--accent);
}

.skill-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1.5rem 1.25rem;
}

.skill-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.25rem;
  background: var(--bg-elevated);
  transition:
    border-color 280ms var(--spring),
    transform 280ms var(--spring),
    background 280ms var(--spring);
}

.skill-group:hover {
  border-color: rgba(73, 252, 212, 0.35);
  transform: translateY(-3px);
  background: #131313;
}

.skill-group h3 {
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 0.9rem;
}

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

.chips li {
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--fg);
  transition:
    border-color 220ms var(--spring),
    color 220ms var(--spring),
    transform 220ms var(--spring);
}

html.js .skill-group.is-visible .chips li {
  animation: chip-pop 520ms var(--spring-out) both;
  animation-delay: calc(180ms + var(--chip-i, 0) * 35ms);
}

@keyframes chip-pop {
  from {
    opacity: 0;
    transform: translateY(0.4rem) scale(0.94);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.chips li:hover {
  border-color: rgba(73, 252, 212, 0.45);
  color: var(--accent);
  transform: translateY(-1px);
}

.edu-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--border);
}

.edu-item {
  display: grid;
  grid-template-columns: minmax(10rem, 1.1fr) minmax(0, 1.6fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--border);
  transition: background 240ms var(--spring), padding-left 240ms var(--spring);
}

.edu-item.is-visible:hover {
  padding-left: 0.35rem;
}

.edu-school {
  font-weight: 600;
  letter-spacing: -0.03em;
}

.edu-degree {
  color: var(--fg-muted);
}

.edu-period {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--fg-muted);
  white-space: nowrap;
}

.section-contact {
  border-bottom: 0;
}

.contact-lead {
  margin-bottom: 1.5rem;
}

.contact-email {
  position: relative;
  display: inline-block;
  font-size: clamp(1.35rem, 4vw, 2rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  border-bottom: 1px solid transparent;
  padding-bottom: 0.2rem;
  transition: color var(--ease);
}

.contact-email::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--border);
  transform: scaleX(1);
  transform-origin: left;
  transition: background 280ms var(--spring), transform 480ms var(--spring-out);
}

html.js .reveal.is-visible .contact-email::after {
  background: var(--accent);
  animation: underline-draw 700ms var(--spring-out) 220ms both;
}

@keyframes underline-draw {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.contact-email:hover {
  color: var(--accent);
}

.contact-email:hover::after {
  background: var(--accent);
}

.social {
  display: flex;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.social a {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--fg-muted);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--ease), transform 220ms var(--spring);
}

.social a:hover {
  color: var(--fg);
  transform: translateY(-2px);
}

.site-footer {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 1.5rem var(--gutter) 2.5rem;
  color: var(--fg-muted);
  font-size: 0.8125rem;
  border-top: 1px solid var(--border);
}

@media (min-width: 720px) {
  .header-actions .btn-small {
    display: inline-flex;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: grid;
  }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin: 0;
    padding: 0.5rem var(--gutter) 1.25rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
  }

  body.nav-open .nav {
    display: flex;
  }

  .nav a {
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 1rem;
    color: var(--fg);
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 2rem;
  }

  .hero-photo {
    max-width: 22rem;
  }

  .hero-visual {
    max-width: 22rem;
  }

  .float-chip--a {
    left: 0.25rem;
  }

  .float-chip--b {
    right: 0.25rem;
  }

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

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

  html.js .reveal-child,
  html.js .motion-item,
  html.js .hero-anim,
  html.js.hero-ready .hero-anim {
    opacity: 1;
    transform: none;
    filter: none;
    animation: none !important;
    transition: none !important;
  }

  .float-chip,
  .device-status,
  .hero-grid,
  .hero-orb,
  .hero-photo,
  .hero-photo img,
  .timeline-fill,
  .scroll-progress__bar {
    animation: none !important;
    transform: none !important;
  }

  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}