:root {
  --ink: #070b10;
  --ink-2: #0d141c;
  --ink-3: #15202c;
  --paper: #eaf6ff;
  --mist: #8aa3b8;
  --signal: #3dffa8;
  --signal-deep: #22d489;
  --accent: #2bb8ff;
  --line: rgba(234, 246, 255, 0.12);
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --space: clamp(1.25rem, 3vw, 2.5rem);
  --max: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--paper);
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(61, 255, 168, 0.12), transparent 55%),
    radial-gradient(900px 520px at -8% 35%, rgba(43, 184, 255, 0.14), transparent 50%),
    linear-gradient(180deg, #070b10 0%, #0a1018 45%, #070b10 100%);
  min-height: 100vh;
}

.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  opacity: 0.035;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 2px,
    rgba(234, 246, 255, 0.45) 3px,
    transparent 4px
  );
}

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

a {
  color: inherit;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--signal);
  color: var(--ink);
  padding: 0.5rem 1rem;
  z-index: 100;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem clamp(1rem, 4vw, 2.5rem);
  background: rgba(7, 11, 16, 0.86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-decoration: none;
  min-width: 0;
}

.nav {
  display: flex;
  gap: 1.1rem;
  margin-left: auto;
  font-size: 0.92rem;
}

.nav a {
  text-decoration: none;
  color: var(--mist);
  transition: color 0.2s ease;
}

.nav a:hover,
.nav a:focus-visible {
  color: var(--paper);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  margin-left: 0.15rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 0.55rem;
  background: rgba(234, 246, 255, 0.03);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.05rem;
  height: 2px;
  margin-inline: auto;
  border-radius: 2px;
  background: var(--paper);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.15rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--signal);
  color: #04110c;
  box-shadow: 0 0 24px rgba(61, 255, 168, 0.22);
}

.btn-primary:hover {
  background: var(--signal-deep);
  color: #04110c;
}

.btn-secondary {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
}

.btn-secondary:hover {
  border-color: var(--mist);
}

.btn-ghost {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--paper);
  padding: 0.45rem 0.9rem;
  font-size: 0.88rem;
}

.hero {
  position: relative;
  min-height: min(100vh, 920px);
  display: grid;
  align-items: end;
  padding: clamp(4rem, 12vh, 8rem) clamp(1rem, 4vw, 2.5rem) clamp(3rem, 8vh, 5rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-visual {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.hero-visual .mesh {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.orbits {
  transform-origin: 780px 320px;
  animation: spin 48s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-copy {
  max-width: 40rem;
  animation: rise 0.9s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.status-line {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.85rem;
  padding: 0.35rem 0.7rem;
  border: 1px solid rgba(61, 255, 168, 0.35);
  border-radius: 999px;
  background: rgba(61, 255, 168, 0.06);
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-line .dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 10px var(--signal);
  animation: blink 1.8s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

.kicker {
  margin: 0 0 0.55rem;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.pulse-node {
  animation: nodePulse 2.4s ease-in-out infinite;
}

@keyframes nodePulse {
  0%, 100% { opacity: 0.55; }
  50% { opacity: 1; }
}

.interest-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
}

.interest-tags li {
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  background: rgba(234, 246, 255, 0.03);
}

.interest-grid {
  list-style: none;
  margin: 0;
  padding: 1.25rem 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.interest-grid li {
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background:
    linear-gradient(160deg, rgba(61, 255, 168, 0.05), transparent 55%),
    rgba(234, 246, 255, 0.02);
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.interest-grid li:hover {
  border-color: rgba(61, 255, 168, 0.35);
  transform: translateY(-2px);
  background:
    linear-gradient(160deg, rgba(61, 255, 168, 0.09), transparent 55%),
    rgba(234, 246, 255, 0.035);
}

.interest-grid h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--signal);
}

.interest-grid p {
  margin: 0;
  color: var(--mist);
  font-size: 0.95rem;
  line-height: 1.5;
}

.game-shell {
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    radial-gradient(700px 280px at 80% 0%, rgba(61, 255, 168, 0.08), transparent 55%),
    rgba(234, 246, 255, 0.02);
  overflow: hidden;
}

.game-hud {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.hud-label {
  display: block;
  color: var(--mist);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.hud-muted {
  color: var(--mist);
  font-weight: 400;
}

.game-stage-wrap {
  position: relative;
  background: #05080c;
}

#p99-canvas {
  display: block;
  width: 100%;
  height: auto;
  max-height: min(52vh, 420px);
  touch-action: manipulation;
  cursor: crosshair;
}

.game-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 0.55rem;
  padding: 1.5rem;
  text-align: center;
  background: rgba(5, 8, 12, 0.78);
  backdrop-filter: blur(6px);
}

.game-overlay.is-hidden {
  display: none;
}

.game-overlay-kicker {
  margin: 0;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.game-overlay h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  letter-spacing: -0.02em;
}

.game-overlay p {
  margin: 0 auto 0.55rem;
  max-width: 26rem;
  color: var(--mist);
}

.game-hint {
  margin: 0;
  padding: 0.75rem 1.1rem;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 5.6rem);
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-weight: 800;
}

.lede {
  margin: 0 0 1.75rem;
  color: var(--mist);
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  max-width: 34rem;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.section {
  padding: clamp(3.5rem, 8vh, 6rem) clamp(1rem, 4vw, 2.5rem);
  max-width: var(--max);
  margin: 0 auto;
}

.section-head {
  margin-bottom: var(--space);
  max-width: 38rem;
}

.section-head h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  letter-spacing: -0.03em;
}

.section-head p {
  margin: 0;
  color: var(--mist);
}

.spotlight {
  padding: clamp(1.5rem, 4vw, 2.4rem) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.spotlight-label {
  margin: 0 0 0.5rem;
  color: var(--signal);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.spotlight h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.spotlight > p {
  color: var(--mist);
  max-width: 48rem;
}

.spotlight-points {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.spotlight-points li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--paper);
}

.spotlight-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--signal);
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
  border-left: 1px solid var(--line);
}

.timeline::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 2px;
  height: calc(var(--timeline-progress, 0) * 100%);
  background: linear-gradient(180deg, var(--signal), var(--accent));
  box-shadow: 0 0 16px rgba(61, 255, 168, 0.35);
  transition: height 0.08s linear;
  pointer-events: none;
}

.timeline li {
  display: grid;
  grid-template-columns: minmax(9rem, 12rem) 1fr;
  gap: 1.25rem;
  padding: 0 0 2.35rem 1.4rem;
  position: relative;
  opacity: 0.42;
  transform: translateY(18px);
  transition:
    opacity 0.55s ease,
    transform 0.55s ease,
    filter 0.35s ease;
  filter: saturate(0.75);
}

.timeline li.is-visible {
  opacity: 0.62;
  transform: translateY(0);
}

.timeline li.is-active {
  opacity: 1;
  filter: saturate(1);
}

.timeline li:last-child {
  padding-bottom: 0.35rem;
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 0.4rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-2);
  border: 2px solid rgba(138, 163, 184, 0.55);
  box-shadow: none;
  transition:
    background 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.3s ease;
  z-index: 1;
}

.timeline li.is-visible::before {
  border-color: rgba(61, 255, 168, 0.55);
}

.timeline li.is-active::before {
  background: var(--signal);
  border-color: var(--signal);
  box-shadow: 0 0 0 5px rgba(61, 255, 168, 0.16), 0 0 18px rgba(61, 255, 168, 0.45);
  transform: scale(1.12);
}

.when {
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  line-height: 1.45;
  padding-top: 0.15rem;
}

@media (min-width: 801px) {
  .when {
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }
}

.timeline li.is-active .when {
  color: var(--signal);
}

.what h3 {
  margin: 0 0 0.2rem;
  font-size: 1.1rem;
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.org {
  margin: 0 0 0.45rem;
  color: var(--signal);
  font-size: 0.92rem;
  font-weight: 500;
}

.what p:last-child {
  margin: 0;
  color: var(--mist);
}

.timeline li.is-active .what p:last-child {
  color: #c5d7e6;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem 2rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.stack-grid h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--signal);
}

.stack-grid p {
  margin: 0;
  color: var(--mist);
  font-size: 0.98rem;
}

.awards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
}

.awards li {
  color: var(--mist);
}

.awards strong {
  color: var(--paper);
  font-weight: 600;
}

.about-grid {
  display: grid;
  gap: 1.1rem;
  max-width: 46rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  color: var(--mist);
}

.about-grid p {
  margin: 0;
}

.about-grid p:first-of-type {
  color: var(--paper);
}

.contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}

.text-link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.text-link:hover {
  color: var(--paper);
  border-bottom-color: var(--signal);
}

.site-footer {
  padding: 2rem clamp(1rem, 4vw, 2.5rem) 3rem;
  border-top: 1px solid var(--line);
  color: var(--mist);
  font-size: 0.9rem;
}

.site-footer p {
  margin: 0;
  max-width: var(--max);
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.timeline li.reveal {
  /* timeline owns its own opacity/transform states */
  opacity: 0.42;
  transform: translateY(18px);
}

.timeline li.reveal.is-visible {
  opacity: 0.62;
  transform: translateY(0);
}

.timeline li.reveal.is-active {
  opacity: 1;
}

@media (max-width: 800px) {
  .site-header {
    flex-wrap: wrap;
    row-gap: 0.65rem;
  }

  .brand {
    flex: 1;
    font-size: 0.98rem;
  }

  .resume-link {
    margin-left: auto;
  }

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

  .nav {
    display: none;
    order: 4;
    width: 100%;
    margin: 0;
    padding: 0.35rem 0 0.55rem;
    flex-direction: column;
    gap: 0.15rem;
    border-top: 1px solid var(--line);
  }

  .site-header.is-open .nav {
    display: flex;
  }

  .nav a {
    padding: 0.7rem 0.2rem;
    font-size: 1rem;
    border-bottom: 1px solid rgba(234, 246, 255, 0.06);
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .timeline li {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }

  .hero {
    align-items: center;
    min-height: 88vh;
    padding-top: clamp(3rem, 10vh, 5rem);
  }

  .eyebrow {
    letter-spacing: 0.03em;
    line-height: 1.45;
    text-wrap: pretty;
  }

  .hero-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-cta .btn,
  .contact-row .btn {
    width: 100%;
  }

  .contact-row {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  #p99-canvas {
    max-height: min(48vh, 360px);
  }

  .status-line {
    font-size: 0.68rem;
  }
}

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

  .orbits,
  .hero-copy,
  .reveal,
  .status-line .dot,
  .pulse-node,
  .timeline li,
  .timeline::before {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }

  .timeline {
    --timeline-progress: 1;
  }

  .scanlines {
    display: none;
  }
}