/* Spacious personal homepage. Theme colors and display fonts stay inherited. */
.home-page { width: min(1328px, calc(100% - 96px)); }
.home-cover { min-height: max(740px, calc(100svh - 112px)); grid-template-columns: 1.12fr 1fr; gap: 48px; padding: 80px 0 112px; }
.home-cover .home-greeting { margin: 0 0 28px; font-family: var(--serif); font-size: clamp(24px, 2.2vw, 32px); line-height: 1.5; color: var(--text); }
.cover-copy h1 { font-size: clamp(64px, 7.2vw, 104px); line-height: 1.25; letter-spacing: 0; font-weight: 400; }
.home-cover .site-home-intro { max-width: 32em; margin-top: 32px; font-size: clamp(20px, 1.65vw, 24px); line-height: 1.85; }
.home-cover .cover-links { margin-top: 40px; gap: 36px; }
.home-cover .cover-links a { min-height: 56px; font-family: var(--serif); font-size: 20px; }
.home-cover .cover-links .button { min-width: 180px; padding: 12px 24px; }
.home-cover .cover-art { width: 100%; max-width: 640px; margin: 0; position: relative; }
.home-cover .cover-art figcaption { margin: 24px 16px 0; display: flex; justify-content: flex-end; }
.circuit-switch { display: none; flex-shrink: 0; align-items: center; gap: 16px; min-height: 48px; padding: 6px 0; border: 0; border-bottom: 2px solid var(--accent); color: var(--accent); background: transparent; font-family: var(--serif); font-size: 18px; }
.js .circuit-switch { display: inline-flex; }
.circuit-switch span { font-size: 28px; line-height: 1; }
.home-cover .cover-scroll { bottom: 32px; font-size: 18px; font-family: var(--serif); gap: 28px; }
.cover-scroll span { border: 2px solid var(--line); width: 40px; height: 40px; display: grid; place-content: center; line-height: 1; }
.home-section { padding: 112px 0; border-top: 2px solid var(--line); }
.home-section-intro { margin-bottom: 64px; }
.home-section-intro h2 { font-family: var(--serif); font-size: clamp(40px, 4.5vw, 64px); font-weight: 400; line-height: 1.35; letter-spacing: 0; }
.skill-legend { display: flex; flex-wrap: wrap; gap: 16px 32px; padding: 0; margin: 24px 0 0; list-style: none; font-family: var(--serif); font-size: 18px; color: var(--muted); }
.skill-legend li { display: flex; align-items: center; gap: 12px; }
.skill-legend-swatch { width: 24px; height: 24px; border: 2px solid var(--accent); background: var(--surface); box-shadow: 3px 3px 0 var(--pixel-shadow, var(--line)); }
.skill-legend-experienced { border-style: dashed; background: transparent; box-shadow: none; }
.skill-group { padding-block: 32px 40px; border-top: 2px solid var(--line); }
.skill-group > h3 { margin-bottom: 32px; font-family: var(--serif); font-size: 32px; line-height: 1.4; font-weight: 400; color: var(--accent); }
.skill-subgroup + .skill-subgroup { margin-top: 32px; }
.skill-subgroup > h4 { margin: 0 0 20px; font-family: var(--serif); font-size: 22px; line-height: 1.5; font-weight: 400; color: var(--muted); overflow-wrap: anywhere; }
.skills-layout { --skill-detail-width: 312px; --skill-detail-gap: 48px; --skill-scene-height: calc(var(--skill-detail-width) * .725); --skill-copy-height: min(360px, 42svh); --skill-panel-height: calc(var(--skill-scene-height) + var(--skill-copy-height) + 48px); display: grid; grid-template-columns: minmax(0, 1fr) var(--skill-detail-width); column-gap: var(--skill-detail-gap); align-items: stretch; }
.skills-layout > .home-section-intro { grid-column: 1; grid-row: 1; }
.skill-groups { grid-column: 1; grid-row: 2; }
.skill-groups, .skill-detail-track { min-width: 0; }
.skill-detail-track { display: none; position: relative; grid-column: 2; grid-row: 2; min-height: var(--skill-panel-height); }
.js .skill-detail-track { display: block; }
.skill-items { width: 100%; min-height: 56px; display: flex; flex-wrap: wrap; align-content: start; gap: 20px; padding: 0 4px 4px 0; margin: 0; list-style: none; }
.skill-items > li { min-width: 0; max-width: 100%; }
.skill-chip { display: block; max-width: 100%; min-height: 52px; padding: 10px 20px; border: 2px solid var(--accent); border-radius: 0; background: var(--surface); color: var(--text); box-shadow: 4px 4px 0 var(--pixel-shadow, var(--line)); font-family: var(--serif); font-size: 20px; line-height: 1.5; text-align: left; overflow-wrap: anywhere; cursor: default; }
.js .skill-chip { cursor: pointer; }
.skill-chip .skill-icon { margin-right: 10px; vertical-align: -.2em; }
.skill-detail h4 .skill-icon { margin-right: 10px; vertical-align: -.15em; }
.js .skill-chip:hover, .js .skill-chip[aria-expanded="true"] { position: relative; z-index: 1; transform: scale(1.04); }
.skill-chip:hover, .skill-chip[aria-expanded="true"] { background: var(--accent); color: var(--on-accent); box-shadow: 4px 4px 0 var(--pixel-ink, var(--text)); }
.skill-chip[data-skill-level="experienced"] { border-style: dashed; background: var(--bg); color: var(--muted); box-shadow: none; }
.skill-chip[data-skill-level="experienced"]:hover, .skill-chip[data-skill-level="experienced"][aria-expanded="true"] { background: var(--soft); color: var(--text); }
.skill-chip:focus-visible { outline: 3px solid var(--focus); outline-offset: 6px; }
.skill-chip:active { box-shadow: 2px 2px 0 var(--pixel-shadow, var(--line)); }
.skill-item-description { max-width: 24em; margin-top: 16px; white-space: pre-line; color: var(--muted); }
.js .skill-item-description { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0; overflow: hidden; clip-path: inset(50%); }
.skill-detail { position: absolute; top: var(--skill-detail-progress, 0%); transform: translateY(calc(-1 * var(--skill-detail-progress, 0%))); right: 0; width: 100%; min-height: var(--skill-panel-height); z-index: 5; }
.skill-scene { --sprite-blue: #4179d5; --sprite-white: #f5f9ff; --sprite-ink: #173967; position: absolute; bottom: 32px; width: 100%; }
[data-theme="dark"] .skill-scene { --sprite-blue: #8ab5ff; --sprite-ink: #315a94; }
.skill-scene svg { display: block; width: 100%; height: var(--skill-scene-height); overflow: visible; }
.skill-sprite-ink { fill: var(--sprite-ink); }
.skill-sprite-blue, .skill-ground { fill: var(--sprite-blue); }
.skill-sprite-white { fill: var(--sprite-white); }
.skill-scenery, .skill-avatar-shadow { fill: var(--pixel-shadow, var(--line)); }
.skill-fragments { opacity: 0; }
.skill-fragment { fill: var(--sprite-blue); stroke: var(--sprite-ink); stroke-width: 4px; transform-box: fill-box; transform-origin: center; }
.skill-spark { fill: var(--sprite-blue); }
.skill-detail-content { position: absolute; bottom: calc(var(--skill-scene-height) + 48px); width: 100%; padding: 20px 24px 24px; border: 2px solid var(--accent); border-radius: 0; background: var(--surface); box-shadow: 6px 6px 0 var(--pixel-shadow, var(--line)); max-height: var(--skill-copy-height); overflow-y: auto; overflow-wrap: anywhere; }
.skill-detail-content:focus-visible { outline: 3px solid var(--focus); outline-offset: 6px; }
.skill-detail-content[hidden] { display: none; }
.skill-detail-close { display: none; position: absolute; top: 0; right: 0; z-index: 1; width: 44px; height: 44px; padding: 0; border: 0; background: transparent; color: var(--muted); font-size: 28px; line-height: 1; }
.skills-layout[data-detail-open] .skill-detail-close { display: block; }
.skill-detail-close:hover { color: var(--accent); }
.skill-detail-category { color: var(--muted); font-family: var(--serif); font-size: 16px; margin: 0 36px 8px 0; }
.skill-detail h4 { margin: 0; color: var(--accent); font-family: var(--serif); font-size: 24px; font-weight: 400; line-height: 1.5; }
.skill-detail-level { margin-top: 8px; color: var(--muted); font-size: 16px; }
.skill-detail-description { margin-top: 16px; font-size: 17px; line-height: 1.85; white-space: pre-line; }
.home-paths { display: grid; grid-template-columns: 1fr 1fr; border-top: 2px solid var(--line); margin-bottom: 112px; }
.home-path { padding: 56px 48px 48px 0; display: flex; align-items: center; justify-content: space-between; gap: 24px; text-decoration: none; }
.home-path + .home-path { border-left: 2px solid var(--line); padding-left: 48px; padding-right: 0; }
.home-path h2 { font-family: var(--serif); font-size: clamp(28px, 3vw, 40px); font-weight: 400; line-height: 1.5; }
.pixel-arrow { font-family: var(--serif); font-size: 48px; color: var(--accent); }

/* The cover opens once; content replays its entrance from either scroll direction. */
@media (prefers-reduced-motion: no-preference) {
  .home-page [data-reveal-state="pending"] { opacity: 0; }
  .home-page [data-reveal-direction="up"] { --reveal-sign: -1; }
  /* Keep observed section bounds still while its contents move, avoiding edge flicker. */
  .home-page [data-reveal-state="shown"] { animation: scroll-reveal-fade 300ms ease-out both; }
  .home-page [data-reveal-state="shown"] > * { animation: scroll-spring 780ms cubic-bezier(.2, .65, .3, 1) both; }
  .home-cover .cover-copy { animation: home-arrive 600ms steps(8, end) both; }
  .home-cover .cover-art { animation: circuit-arrive 800ms steps(10, end) both; }
  .home-page .button, .circuit-switch, .home-path .pixel-arrow { transition: transform 160ms steps(3, end), color 160ms steps(3, end); }
  .home-page .button:active { transform: translate(3px, 3px); }
  .home-path:hover .pixel-arrow, .home-path:focus-visible .pixel-arrow { transform: translate(4px, -4px); }
  .circuit-switch:hover, .circuit-switch:focus-visible { transform: translateY(-2px); }
  .skill-chip { transition: transform 160ms cubic-bezier(.2, .65, .3, 1), color 140ms steps(3, end), background-color 140ms steps(3, end), box-shadow 140ms steps(3, end); }
  .skill-detail-content { animation: skill-detail-arrive 220ms cubic-bezier(.2, .65, .3, 1) both; }
  [data-skill-phase="jumping"] .skill-avatar { transform-box: fill-box; transform-origin: center bottom; will-change: transform; animation: skill-jump 560ms linear both; }
  [data-skill-phase="jumping"] .skill-avatar-shadow { animation: skill-shadow 560ms linear both; }
  [data-skill-phase="jumping"] .skill-block { animation: skill-block-hit 1000ms linear both; }
  [data-skill-phase="jumping"] .skill-fragments { animation: skill-fragments 1000ms linear both; }
  [data-skill-phase="jumping"] .skill-fragment-one { animation: skill-fragment-one 520ms 220ms ease-out both; }
  [data-skill-phase="jumping"] .skill-fragment-two { animation: skill-fragment-two 520ms 220ms ease-out both; }
  [data-skill-phase="jumping"] .skill-fragment-three { animation: skill-fragment-three 520ms 220ms ease-out both; }
  [data-skill-phase="jumping"] .skill-fragment-four { animation: skill-fragment-four 520ms 220ms ease-out both; }
  [data-circuit][data-powered] .pixel-signal-in { animation: signal-in 850ms steps(8, end) both; }
  [data-circuit][data-powered] .pixel-signal-out { animation: signal-out 850ms 300ms steps(8, end) both; }
}
[data-circuit][data-powered] .pixel-chip-inner { fill: var(--pixel-highlight, var(--soft)); }
[data-circuit][data-powered] .pixel-trace { stroke: var(--accent); }
[data-circuit][data-powered] .pixel-signal { fill: var(--accent); }
[data-circuit][data-powered] .die-route { stroke: var(--accent); stroke-width: 6px; }
@keyframes home-arrive { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes circuit-arrive { from { clip-path: inset(0 0 100% 0); } to { clip-path: inset(0); } }
@keyframes signal-in { from { transform: translate(0, 0); } to { transform: translate(72px, 48px); } }
@keyframes signal-out { from { transform: translate(-64px, -24px); } to { transform: translate(0, 0); } }
@keyframes skill-detail-arrive { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes skill-jump {
  0% { transform: translateY(0); animation-timing-function: cubic-bezier(.18, .75, .4, 1); }
  34% { transform: translateY(-60px); animation-timing-function: cubic-bezier(.45, 0, .85, .45); }
  82% { transform: translateY(0); animation-timing-function: ease-out; }
  90% { transform: scale(1.06, .94); }
  100% { transform: translateY(0); }
}
@keyframes skill-shadow { 0%, 100% { opacity: 1; } 36% { opacity: .25; } }
@keyframes skill-block-hit {
  0%, 17% { opacity: 1; transform: translate(0, 0); }
  19% { transform: translate(0, -6px); }
  22% { opacity: 1; transform: translate(3px, -4px); }
  23%, 82% { opacity: 0; transform: translate(0, 0); }
  83% { opacity: 0; transform: scale(.8); transform-origin: 160px 60px; }
  100% { opacity: 1; transform: scale(1); transform-origin: 160px 60px; }
}
@keyframes skill-fragments { 0%, 22%, 76%, 100% { opacity: 0; } 23%, 56% { opacity: 1; } }
@keyframes skill-fragment-one { to { transform: translate(-56px, -32px) rotate(-65deg); } }
@keyframes skill-fragment-two { to { transform: translate(60px, -40px) rotate(75deg); } }
@keyframes skill-fragment-three { to { transform: translate(-44px, 64px) rotate(-110deg); } }
@keyframes skill-fragment-four { to { transform: translate(48px, 72px) rotate(105deg); } }
@keyframes scroll-reveal-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes scroll-spring {
  0% { transform: translateY(calc(56px * var(--reveal-sign, 1))); }
  68% { transform: translateY(calc(-8px * var(--reveal-sign, 1))); }
  86% { transform: translateY(calc(3px * var(--reveal-sign, 1))); }
  100% { transform: none; }
}

@media (max-width: 1050px) {
  .home-page { width: calc(100% - 64px); }
  .home-cover { min-height: max(700px, calc(100svh - 100px)); gap: 24px; padding-top: 64px; }
  .cover-copy h1 { font-size: 72px; }
  .home-cover .cover-art figcaption { margin-inline: 12px; }
  .home-section { padding-block: 88px; }
  .skills-layout { --skill-detail-width: 264px; --skill-detail-gap: 36px; }
  .skill-items { gap: 16px; }
  .skill-chip { font-size: 18px; padding-inline: 16px; }

}
@media (max-width: 760px) {
  .home-page { width: calc(100% - 40px); }
  .home-cover { min-height: auto; grid-template-columns: 1fr; padding: 64px 0 104px; gap: 48px; }
  .home-cover .home-greeting { font-size: 24px; margin-bottom: 24px; }
  .cover-copy h1 { font-size: clamp(52px, 10.5vw, 76px); }
  .home-cover .site-home-intro { font-size: 20px; margin-top: 28px; }
  .home-cover .cover-links { margin-top: 32px; gap: 28px; }
  .home-cover .cover-links a { font-size: 18px; }
  .home-cover .cover-links .button { min-width: 164px; }
  .home-cover .cover-art { width: min(100%, 480px); margin: 0; justify-self: center; }
  .home-cover .cover-art figcaption { display: flex; margin: 16px 12px 0; }
  .circuit-switch { font-size: 16px; }
  .home-cover .cover-scroll { bottom: 24px; font-size: 16px; }
  .home-section { padding-block: 64px; }
  .home-section-intro { margin-bottom: 40px; }
  .home-section-intro h2 { font-size: 40px; }
  .skills-layout { display: block; }
  .skill-group { padding-block: 28px 32px; }
  .skill-group > h3 { font-size: 28px; margin-bottom: 24px; }
  .skill-items { width: 100%; min-height: 0; gap: 16px; }
  .skill-chip { min-height: 48px; font-size: 18px; padding: 8px 14px; }
  .js .skill-detail-track { display: none; min-height: 0; }
  .js .skills-layout[data-detail-open] > .skill-detail-track { display: block; }
  .skill-detail { display: flex; flex-direction: column; position: fixed; top: auto; bottom: max(16px, env(safe-area-inset-bottom)); left: 20px; right: 20px; width: auto; min-height: 0; transform: none; padding: 16px; background: var(--surface); border: 2px solid var(--accent); box-shadow: 6px 6px 0 var(--pixel-shadow, var(--line)); }
  .skill-scene { position: static; order: 2; width: min(100%, 180px); margin-inline: auto; }
  .skill-scene svg { height: min(132px, 22svh); }
  .skill-detail-content { position: relative; bottom: auto; order: 1; margin-bottom: 8px; padding: 0 0 12px; border: 0; border-bottom: 2px solid var(--line); box-shadow: none; max-height: 30svh; }
  .skill-detail-close { top: 4px; right: 4px; }
  .skill-detail-category { margin-right: 44px; }
  .home-paths { grid-template-columns: 1fr; margin-bottom: 56px; }
  .home-path, .home-path + .home-path { padding: 32px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .home-path h2 { font-size: 28px; }
  .pixel-arrow { font-size: 40px; }
}
@media (min-width: 761px) and (max-height: 520px) {
  .skills-layout { --skill-scene-height: min(132px, 30svh); }
}
@media (prefers-reduced-motion: reduce) {
  .home-page *, .home-page *::before, .home-page *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .home-page [data-scroll-reveal] { opacity: 1; transform: none; }
}
@media print {
  .home-page .skills-layout { display: block; }
  .home-page .skill-items { width: 100%; }
  .home-page .skill-item-description { position: static; width: auto; height: auto; margin: 12px 0; clip-path: none; }
  .home-page .skill-detail { display: none; }
  .home-page [data-scroll-reveal] { opacity: 1 !important; transform: none !important; animation: none !important; }
}