@font-face {
  font-family: "Handwriting";
  src: url("./Handwriting.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --original-font: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --site-font: "Handwriting", var(--original-font);
  --bg: #ffffff;
  --fg: #191919;
  --muted: #606060;
  --accent: #111111;
  --nav-blue: #2563eb;
  --dot: rgba(0, 0, 0, 0.18);
  --grid: rgba(0, 0, 0, 0.09);
  --tag-bg: #eeeeee;
  --tag-hover: #e0e0e0;
  --dot-glow: rgba(0, 0, 0, 0.20);
}

:root[data-font="original"] {
  --site-font: var(--original-font);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141414;
    --fg: #eeeeee;
    --muted: #b5b5b5;
    --accent: #ffffff;
    --nav-blue: #7eb0ff;
    --dot: rgba(255, 255, 255, 0.22);
    --grid: rgba(255, 255, 255, 0.09);
    --tag-bg: #292929;
    --tag-hover: #383838;
    --dot-glow: rgba(255, 255, 255, 0.20);
  }
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

html {
  scroll-behavior: smooth;
}

body {
  user-select: none;
  margin: 0;
  position: relative;
  background-color: var(--bg);
  color: var(--fg);
  font-family: var(--site-font);
}

button, input, select, textarea {
  font-family: inherit;
}

.pen-trail {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 25;
}

@media (prefers-reduced-motion: reduce) {
  .pen-trail { display: none; }
}

.font-toggle {
  position: fixed;
  right: max(16px, env(safe-area-inset-right));
  bottom: max(16px, env(safe-area-inset-bottom));
  z-index: 40;
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid var(--dot);
  border-radius: 5px 9px 5px 8px;
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  color: var(--muted);
  font-size: 1.01rem;
  cursor: pointer;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.font-toggle .font-status { color: #b52c2c; }
.font-toggle[aria-pressed="true"] .font-status { color: #76e000; }

@media (prefers-color-scheme: dark) {
  .font-toggle .font-status { color: #ff8585; }
  .font-toggle[aria-pressed="true"] .font-status { color: #a3ff12; }
}

.font-toggle:hover {
  color: var(--fg);
  border-color: var(--muted);
}

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

nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 30;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 10px 16px 10px 22px;
  border-radius: 5px 9px 5px 8px;
  background-color: color-mix(in srgb, var(--bg) 78%, transparent);
  border: 1px solid var(--dot);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  box-shadow: 2px 3px 0 var(--dot);
}

nav a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-size: 1.01rem;
  letter-spacing: 0.02em;
  padding-bottom: 3px;
  transition: color 0.15s ease, transform 0.15s ease;
}

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

nav a.current {
  color: var(--nav-blue);
}

nav a.current::after {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  bottom: -3px;
  height: 2px;
  border-radius: 60% 35% 55% 30%;
  transform: rotate(-2deg);
  background-color: currentColor;
  animation: nav-underline-draw 0.35s ease-out both;
}

@keyframes nav-underline-draw {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(0 0 0 0); }
}

@media (prefers-reduced-motion: reduce) {
  nav a.current::after { animation: none; }
}

@media (prefers-color-scheme: dark) {
  nav a.current { color: var(--nav-blue); }
}

nav .divider {
  width: 1px;
  height: 16px;
  background: var(--dot);
}

nav .socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

nav .socials a {
  display: inline-flex;
}

nav .socials a:hover,
nav .socials a:focus-visible {
  transform: translateY(-1px);
}

.sketch-icon {
  overflow: visible;
  transform: rotate(-3deg);
}

a:nth-child(even) .sketch-icon { transform: rotate(3deg); }

nav .socials svg {
  width: 18px;
  height: 18px;
}

section.page {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  position: fixed;
  inset: 0;
  z-index: 20;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, visibility 0s linear 0.18s;
}

section.page.active {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.18s ease;
}

@keyframes content-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

section.page.active main > * {
  animation: content-in 0.45s cubic-bezier(0.16, 1, 0.3, 1) both;
}

section.page.active main > *:nth-child(2) {
  animation-delay: 0.05s;
}

section.page.active main > *:nth-child(3) {
  animation-delay: 0.1s;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: none;
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--dot-glow) 1px, transparent 1px),
    linear-gradient(to bottom, var(--dot-glow) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-mask-image: radial-gradient(circle 140px at var(--mx, 50%) var(--my, 50%), #000 0%, transparent 100%);
  mask-image: radial-gradient(circle 140px at var(--mx, 50%) var(--my, 50%), #000 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 0;
}

@media (hover: hover) and (pointer: fine) {
  body::after {
    content: "";
  }

  html.cursor-active body.home::after,
  html.cursor-active body.projects::after,
  html.cursor-active body.skills::after {
    opacity: 1;
  }
}

main {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 560px;
}

#aboutName {
  min-height: 1.3em;
}

#about main::before {
  content: "";
  position: absolute;
  inset: -72px -64px;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    color-mix(in srgb, var(--bg) 92%, transparent) 0%,
    color-mix(in srgb, var(--bg) 75%, transparent) 42%,
    transparent 74%);
}

h1 {
  font-size: 1.82rem;
  font-weight: 600;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
}

.title {
  font-size: 1.17rem;
  color: var(--muted);
  margin: 0 0 20px;
}

.title .dim {
  opacity: 0.45;
}

p.about {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--muted);
  margin: 0 0 28px;
}

#projects main,
#skills main {
  max-width: 900px;
  width: 100%;
  text-align: left;
}

#projects main::before,
#skills main::before {
  content: "";
  position: absolute;
  inset: -180px -240px;
  z-index: -1;
  background: none;
  pointer-events: none;
}

.section-header {
  padding-left: 16px;
}

.section-header h1 {
  margin-bottom: 0;
}

.scroll-shell {
  position: relative;
}

.scroll-shell::before,
.scroll-shell::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 52px;
  pointer-events: none;
  z-index: 3;
  transition: opacity 0.25s ease;
}

.scroll-shell::before {
  top: 0;
  background: linear-gradient(to bottom, var(--bg) 10%, transparent);
}

.scroll-shell::after {
  bottom: 0;
  background: linear-gradient(to top, var(--bg) 10%, transparent);
}

.scroll-shell.at-top::before,
.scroll-shell.at-bottom::after {
  opacity: 0;
}

.scroll-area {
  max-height: 65vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--dot) transparent;
}

.scroll-area::-webkit-scrollbar {
  width: 5px;
}

.scroll-area::-webkit-scrollbar-track {
  background: transparent;
}

.scroll-area::-webkit-scrollbar-thumb {
  background-color: var(--dot);
  border-radius: 999px;
}

.scroll-area::-webkit-scrollbar-thumb:hover {
  background-color: var(--dot-glow);
}

.project-list {
  list-style: none;
  margin: 0;
  padding: 24px 20px 24px 0;
}

.project-item {
  position: relative;
  padding: 20px 16px;
  margin-bottom: 12px;
  border: 1px solid transparent;
  border-radius: 5px 9px 5px 8px;
  cursor: default;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.project-item:hover,
.project-item:focus-within {
  background-color: var(--bg);
  border-color: var(--dot);
  box-shadow: 3px 4px 0 var(--dot);
  transform: translateY(-2px);
}

.project-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.project-name {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 1.23rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: color 0.15s ease;
}

.project-item:hover .project-name {
  color: var(--accent);
}

.project-year {
  font-size: 0.884rem;
  font-weight: 400;
  color: var(--muted);
  opacity: 0.7;
}

.project-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.project-links a {
  display: flex;
  color: var(--muted);
  opacity: 0.55;
  transition: opacity 0.15s ease, color 0.15s ease, transform 0.15s ease;
}

.project-links a svg {
  width: 15px;
  height: 15px;
}

.project-links a:hover {
  opacity: 1;
  color: var(--accent);
  transform: translateY(-1px);
}

.project-desc {
  position: relative;
  margin: 6px 0 0;
  font-size: 1.04rem;
  line-height: 1.55;
  color: var(--muted);
}

.project-tags {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.project-tags span,
.skill-tags span,
.node span {
  box-shadow: 2px 3px 0 var(--dot);
}

.project-tags span {
  background-color: var(--tag-bg);
  font-size: 0.858rem;
  letter-spacing: 0.02em;
  color: var(--muted);
  border: 1px solid var(--dot);
  border-radius: 4px 7px 3px 6px;
  padding: 2px 9px;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.project-item:hover .project-tags span {
  border-color: color-mix(in srgb, var(--accent) 25%, var(--dot));
  color: var(--fg);
}

.skills-body {
  max-height: none;
  overflow-y: visible;
  padding: 24px 20px 24px 16px;
}

@media (max-width: 760px), (max-height: 720px) {
  .skills-body {
    max-height: 65vh;
    overflow-y: auto;
  }
}

.skill-block + .skill-block {
  margin-top: 34px;
}

.lang-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(9, 56px);
  justify-content: space-between;
  row-gap: 22px;
  margin: 0;
  padding: 0;
}

.lang {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  opacity: calc(1 - var(--i) * 0.045);
  transition: opacity 0.25s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lang:hover {
  opacity: 1;
  transform: translateY(-4px);
}

.lang-file {
  position: relative;
  width: 56px;
  height: 72px;
  transform: rotate(-3deg);
  transition: transform 0.25s ease;
}

.lang:nth-child(even) .lang-file { transform: rotate(3deg); }
.lang:nth-child(3n) .lang-file { transform: rotate(-1deg); }
.lang:hover .lang-file { transform: rotate(0deg); }

.lang-outline {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
  stroke: var(--c);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lang-paper { fill: var(--bg); }
.lang-wash { fill: var(--c); fill-opacity: 0.07; stroke: none; }
.lang-fold { fill: var(--c); fill-opacity: 0.12; }
.lang-sketch { fill: none; stroke-width: 0.7; opacity: 0.35; }

.lang-ext {
  color: var(--c);
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  top: 60%;
  transform: translateY(-50%);
  text-align: center;
  font-size: 0.845rem;
  letter-spacing: -0.02em;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}

.tool-card {
  padding: 15px 0 17px;
}

.tool-card:nth-child(odd) {
  padding-right: 24px;
}

.tool-card:nth-child(even) {
  padding-left: 24px;
}

@media (max-width: 620px) {
  .tool-grid {
    grid-template-columns: 1fr;
  }

  .tool-card:nth-child(odd) {
    padding-right: 0;
  }

  .tool-card:nth-child(even) {
    padding-left: 0;
    border-left: none;
  }
}

.tool-card-name {
  display: block;
  font-size: 0.858rem;
  text-transform: none;
  letter-spacing: 0.03em;
  color: var(--muted);
  margin-bottom: 11px;
}

.skill-tags {
  --c: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.skill-tags span {
  font-size: 0.871rem;
  letter-spacing: 0.01em;
  color: var(--c);
  background-color: var(--tag-bg);
  background-image: linear-gradient(to top, color-mix(in srgb, var(--c) 16%, transparent), transparent 80%);
  border-radius: 3px 3px 1px 1px;
  padding: 3px 8px;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.skill-tags span:hover {
  background-color: var(--tag-hover);
  color: var(--c);
}

@media (max-width: 680px) {
  .lang-grid {
    grid-template-columns: repeat(5, 56px);
  }
}

@media (max-width: 400px) {
  .lang-grid {
    grid-template-columns: repeat(3, 56px);
  }
}

#interests main {
  max-width: 900px;
  width: 100%;
  text-align: left;
}

.mind {
  position: relative;
  height: clamp(300px, 52vh, 440px);
  margin-top: 18px;
}

section.page.active main > .mind {
  animation: none;
}

@keyframes mind-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

section.page.active .mind-links,
section.page.active .mind-nodes {
  animation: mind-in 0.5s ease both;
}

.mind-links {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.mind-links line {
  stroke: var(--dot);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
  transition: stroke 0.3s ease, opacity 0.3s ease;
}

.mind.focus .mind-links line {
  opacity: 0.18;
}

.mind.focus .mind-links line.lit {
  opacity: 1;
  stroke: color-mix(in srgb, var(--lc, var(--accent)) 90%, transparent);
  stroke-dasharray: 4 3;
  animation: flow 0.9s linear infinite;
}

@keyframes flow {
  to {
    stroke-dashoffset: -7;
  }
}

.mind-nodes {
  list-style: none;
  margin: 0;
  padding: 0;
}

@keyframes drift {
  0%, 100% {
    transform: translate(-50%, -50%);
  }
  25% {
    transform: translate(calc(-50% + var(--dx)), calc(-50% + var(--dy) * 0.35));
  }
  50% {
    transform: translate(calc(-50% + var(--dx) * 0.25), calc(-50% + var(--dy)));
  }
  75% {
    transform: translate(calc(-50% - var(--dx) * 0.8), calc(-50% + var(--dy) * 0.55));
  }
}

.node {
  position: absolute;
  left: var(--x);
  top: var(--y);
  transform: translate(-50%, -50%);
  animation: drift var(--dur) ease-in-out var(--delay) infinite;
  transition: opacity 0.3s ease;
}

.node:hover,
.node:focus-visible {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  .node {
    animation: none;
  }
}

.node span {
  display: block;
  white-space: nowrap;
  color: var(--muted);
  background-color: var(--tag-bg);
  border: 1px solid var(--dot);
  border-radius: 45% 5% 40% 8% / 8% 45% 10% 40%;
  padding: 4px 11px;
  transition: color 0.25s ease, border-color 0.25s ease, transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.node.s1 span {
  font-size: 1.09rem;
  padding: 6px 14px;
}

.node.s2 span {
  font-size: 0.962rem;
}

.node.s3 span {
  font-size: 0.871rem;
}

.mind.focus .node {
  opacity: 0.28;
}

.mind.focus .node.on,
.mind.focus .node.near {
  opacity: 1;
}

.node.on span {
  color: var(--fg);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--dot));
  transform: scale(1.08);
}

.node.near span {
  color: var(--fg);
  border-color: color-mix(in srgb, var(--accent) 22%, var(--dot));
}

.node:focus-visible {
  outline: none;
}

.node:focus-visible span {
  color: var(--fg);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--dot));
}

.mind-tip {
  position: absolute;
  left: var(--tx, 50%);
  top: var(--ty, 50%);
  z-index: 5;
  transform: translate(-50%, calc(-100% - 22px));
  width: 230px;
  padding: 7px 10px;
  font-size: 0.858rem;
  line-height: 1.55;
  color: var(--muted);
  background-color: var(--bg);
  background-image: linear-gradient(145deg,
    color-mix(in srgb, var(--fg) 11%, transparent),
    color-mix(in srgb, var(--fg) 2%, transparent));

  border: 1px solid color-mix(in srgb, var(--fg) 14%, transparent);
  border-radius: 7px;
  box-shadow: 3px 4px 0 var(--dot);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.mind-tip.show {
  opacity: 1;
}

@media (max-width: 640px) {
  .mind {
    height: auto;
  }

  .mind-links {
    display: none;
  }

  .mind-nodes {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }

  .node {
    position: static;
    transform: none;
    animation: none;
  }

  .mind.focus .node {
    opacity: 1;
  }

  .mind-tip {
    display: none;
  }
}

/* Keep larger handwriting comfortable on small screens and short windows. */
@media (max-width: 640px) {
  nav {
    width: max-content;
    max-width: calc(100% - 24px);
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 14px;
    padding: 10px 14px;
  }

  nav a { font-size: 0.95rem; }
  nav .socials { gap: 10px; }
  section.page { padding: 110px 20px 80px; }
  .scroll-area, .skills-body { max-height: calc(100dvh - 240px); }
  #interests main { max-height: 100%; overflow-y: auto; }
  .project-top { align-items: flex-start; }
  .project-name { flex-wrap: wrap; }
  .mind { margin-top: 0; }
}

@media (max-height: 600px) {
  section.page { padding-top: 100px; padding-bottom: 76px; }
  section.page main { max-height: 100%; overflow-y: auto; }
  .scroll-area, .skills-body { max-height: calc(100dvh - 250px); }
}

/* Language order and technology colors. */
.language-python { --i: 0; --c: #3776AB; }
.language-lua { --i: 1; --c: #4B50C4; }
.language-javascript { --i: 2; --c: #E9C723; }
.language-html { --i: 3; --c: #E34F26; }
.language-css { --i: 4; --c: #3B7CE8; }
.language-java { --i: 5; --c: #E76F00; }
.language-swift { --i: 6; --c: #F05138; }
.language-c { --i: 7; --c: #6B7BD0; }
.language-c-plus-plus { --i: 8; --c: #1B7EC2; }
.tool-aws { --c: #FF9900; }
.tool-azure { --c: #0078D4; }
.tool-google-cloud-compute { --c: #4285F4; }
.tool-cloudflare { --c: #F38020; }
.tool-digitalocean { --c: #0080FF; }
.tool-contabo { --c: #0093DD; }
.tool-modal { --c: #7FEE64; }
.tool-gunicorn { --c: #499848; }
.tool-nginx { --c: #009639; }
.tool-jinja { --c: #B41717; }
.tool-swagger { --c: #85EA2D; }
.tool-discord-py { --c: #5865F2; }
.tool-google-oauth { --c: #4285F4; }
.tool-clerk { --c: #6C47FF; }
.tool-stripe { --c: #635BFF; }
.tool-sqlite { --c: #2A7BA8; }
.tool-mongodb { --c: #47A248; }
.tool-firebase { --c: #FFCA28; }
.tool-supabase { --c: #3ECF8E; }
.tool-react { --c: #61DAFB; }
.tool-mui { --c: #007FFF; }
.tool-swiftui { --c: #F05138; }
.tool-javafx { --c: #E76F00; }
.tool-pyqt { --c: #41CD52; }
.tool-opencv { --c: #5C3EE8; }
.tool-pillow { --c: #4B8BBE; }
.tool-selenium { --c: #43B02A; }
.tool-git { --c: #F05032; }
.tool-pypi { --c: #3775A9; }
.tool-blender { --c: #EA7600; }
.tool-roblox-studio { --c: #00A2FF; }