@view-transition { navigation: auto; }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 5rem; }
body { margin: 0; background: var(--background); color: var(--text-primary); font: var(--fs-body)/1.65 var(--font-body); -webkit-font-smoothing: antialiased; padding-bottom: env(safe-area-inset-bottom); overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-color: var(--accent); text-underline-offset: 0.2em; }
a:hover { color: var(--accent); }
h1, h2, h3, p, ul, ol, dl, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: var(--radius-sm); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; left: var(--space-4); top: -4rem; z-index: 100; background: var(--accent); color: var(--accent-ink); padding: var(--space-3) var(--space-4); border-radius: var(--radius-sm); font-weight: 700; }
.skip:focus { top: var(--space-4); }
.wrap { width: min(100% - 2.5rem, 78rem); margin-inline: auto; }
.narrow { max-width: 50rem; }
main:focus { outline: none; }

/* Type */
.display { font: 800 var(--fs-display)/0.9 var(--font-display); letter-spacing: -0.045em; }
.display-2 { font: 800 var(--fs-display-2)/0.98 var(--font-display); letter-spacing: -0.04em; }
h2 { font: 800 var(--fs-h2)/1.05 var(--font-display); letter-spacing: -0.03em; }
h3, .h3 { font: 700 var(--fs-h3)/1.25 var(--font-display); letter-spacing: -0.01em; }
em { font-family: var(--font-serif); font-weight: 500; color: var(--accent); }
.lead { font-size: var(--fs-lead); color: var(--text-secondary); max-width: 40rem; margin-top: var(--space-5); }
.eyebrow, .idx, .label, .status, .readout-title, .hint { font: 600 var(--fs-label)/1.4 var(--font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); }
.eyebrow { color: var(--accent); margin-bottom: var(--space-4); }
.optional { font: 400 var(--fs-label) var(--font-mono); color: var(--text-muted); }

/* Buttons & tags */
.btn { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 2.75rem; padding: 0.7rem 1.4rem; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent); border-radius: var(--radius-pill); font: 700 0.95rem var(--font-body); text-decoration: none; cursor: pointer; transition: transform 0.25s var(--ease), background 0.25s; }
.btn:hover { color: var(--accent-ink); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--text-primary); border-color: var(--border-strong); }
.btn-ghost:hover { color: var(--accent); border-color: var(--accent); }
.btn-small { min-height: 2.5rem; padding: 0.5rem 1rem; font-size: 0.875rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.icon-btn { min-width: 2.75rem; min-height: 2.75rem; display: grid; place-items: center; background: transparent; color: var(--text-primary); border: 1px solid var(--border-strong); border-radius: var(--radius-pill); font-size: 1.1rem; cursor: pointer; }
.tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-5); }
.tags li { padding: 0.25rem 0.75rem; border: 1px solid var(--border-strong); border-radius: var(--radius-pill); font: 500 0.8rem var(--font-mono); color: var(--text-secondary); }
.cta-row { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-6); }
.notice { padding: var(--space-4); border: 1px dashed var(--border-strong); border-radius: var(--radius-md); color: var(--text-secondary); margin-top: var(--space-5); }

/* Header / nav */
.site-header { position: sticky; top: 0; z-index: 50; padding-top: env(safe-area-inset-top); background: color-mix(in srgb, var(--background) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); }
.bar { width: min(100% - 2.5rem, 78rem); margin-inline: auto; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); min-height: 4rem; }
.brand { font: 800 1.35rem var(--font-display); letter-spacing: -0.04em; text-decoration: none; }
.site-nav ul { display: flex; flex-wrap: wrap; gap: var(--space-1) var(--space-5); }
.site-nav a { display: inline-block; padding: 0.5rem 0; text-decoration: none; font: 500 0.9rem var(--font-body); color: var(--text-secondary); background: linear-gradient(var(--accent), var(--accent)) left bottom / 0 2px no-repeat; transition: background-size 0.3s var(--ease), color 0.2s; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text-primary); background-size: 100% 2px; }
.menu-btn { display: none; }
.bar-actions { display: flex; align-items: center; gap: var(--space-2); }
@media (max-width: 62rem) {
  .cta-header { display: none; }
  .js .menu-btn { display: grid; }
  .js .site-nav { position: fixed; inset: 0; z-index: -1; padding: calc(5rem + env(safe-area-inset-top)) 1.5rem 2rem; background: var(--background); opacity: 0; visibility: hidden; transform: translateY(-1rem); transition: opacity 0.3s var(--ease), transform 0.3s var(--ease), visibility 0s 0.3s; overflow-y: auto; }
  .js .site-nav ul { flex-direction: column; gap: var(--space-2); }
  .js .site-nav a { font: 800 2rem var(--font-display); padding: 0.4rem 0; }
  .js .site-nav.is-open { opacity: 1; visibility: visible; transform: none; transition-delay: 0s; }
  .js .bar { position: relative; z-index: 1; }
  html.nav-open { overflow: hidden; }
}
.site-header:has(.is-open) { background: var(--background); }

/* Hero */
.hero { position: relative; isolation: isolate; padding: var(--space-8) 0 var(--space-7); overflow: clip; }
.hero-bg { position: absolute; inset: 0; z-index: -2; opacity: 0.22; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(to bottom, transparent 40%, var(--background)), repeating-linear-gradient(0deg, transparent 0 47px, color-mix(in srgb, var(--border) 60%, transparent) 47px 48px), repeating-linear-gradient(90deg, transparent 0 47px, color-mix(in srgb, var(--border) 60%, transparent) 47px 48px); mask-image: linear-gradient(to bottom, #000 30%, transparent); }
.hero-grid { display: grid; gap: var(--space-7); align-items: end; }
@media (min-width: 62rem) { .hero-grid { grid-template-columns: 1.6fr 1fr; } .hero { padding-top: var(--space-9); } }
.hero .display .w { display: block; }
.portrait { border: 1px solid var(--border-strong); border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4 / 5; max-height: 34rem; box-shadow: var(--shadow-1); background: var(--surface); }
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.readout { margin-top: var(--space-4); padding: var(--space-4); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); font-family: var(--font-mono); }
.readout > div { display: flex; justify-content: space-between; gap: var(--space-4); padding: var(--space-2) 0; border-top: 1px solid var(--border); font-size: 0.85rem; }
.readout dt { color: var(--text-muted); } .readout dd { margin: 0; text-align: right; }
.readout-title { margin-bottom: var(--space-2); }
.marquee { overflow: hidden; border-block: 1px solid var(--border); background: var(--surface); padding: var(--space-3) 0; }
.marquee-track { display: flex; gap: var(--space-5); width: max-content; font: 700 1rem var(--font-mono); letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-muted); animation: marquee 40s linear infinite; }
.marquee .sep { color: var(--accent); }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Sections */
.section { padding: var(--space-9) 0; }
.section.alt { background: var(--surface); border-block: 1px solid var(--border); }
.section .idx { margin-bottom: var(--space-3); }
.page-head { padding-top: var(--space-8); min-height: 70vh; }
.section-head { display: flex; flex-wrap: wrap; gap: var(--space-5); align-items: end; justify-content: space-between; margin-bottom: var(--space-6); }
.about-grid { display: grid; gap: var(--space-7); margin-top: var(--space-7); }
@media (min-width: 62rem) { .about-grid { grid-template-columns: 1fr 1fr; align-items: start; } }
.about-imgs { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.about-imgs figure { border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); aspect-ratio: 3 / 4; background: var(--surface); }
.about-imgs figure:nth-child(2) { margin-top: var(--space-7); }
.about-imgs img { width: 100%; height: 100%; object-fit: cover; }
.about-copy p { color: var(--text-secondary); margin-top: var(--space-4); }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); margin-top: var(--space-6); }
.facts div { border-top: 2px solid var(--accent); padding-top: var(--space-3); }
.facts dt { font: 600 var(--fs-label) var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-muted); }
.facts dd { margin: var(--space-1) 0 0; font-weight: 700; }
.card { background: var(--surface-elevated); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-5); }
.section.alt .card { background: var(--background); }
.card p { color: var(--text-secondary); margin-top: var(--space-2); }
.skill-grid, .project-grid { display: grid; gap: var(--space-4); margin-top: var(--space-6); grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); }
.project-card { padding: 0; transition: transform 0.35s var(--ease), border-color 0.25s; }
.project-card:hover, .project-card:focus-within { transform: translateY(-4px); border-color: var(--accent); }
.project-card a { display: block; padding: var(--space-5); text-decoration: none; height: 100%; }
.project-card h3 { margin-top: var(--space-3); }
.project-card .tags { margin-top: var(--space-4); }
.timeline { margin-top: var(--space-6); border-left: 2px solid var(--border-strong); padding-left: var(--space-6); display: grid; gap: var(--space-6); }
.timeline li { position: relative; }
.timeline li::before { content: ""; position: absolute; left: calc(-1 * var(--space-6) - 7px); top: 0.35rem; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.timeline p:last-child { color: var(--text-secondary); margin-top: var(--space-1); }
.gallery-grid { display: grid; gap: var(--space-3); margin-top: var(--space-6); grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); }
.gallery-grid a { display: block; text-decoration: none; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--border); }
.gallery-grid figure { position: relative; aspect-ratio: 4 / 5; background: var(--surface); }
.gallery-grid img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.gallery-grid a:hover img, .gallery-grid a:focus-visible img { transform: scale(1.04); }
.gallery-grid figcaption { position: absolute; inset: auto 0 0 0; padding: var(--space-3) var(--space-4); font: 600 0.8rem var(--font-mono); letter-spacing: 0.08em; color: #fff; background: linear-gradient(transparent, rgb(0 0 0 / 80%)); }
.img-failed { display: grid; place-items: center; }
.img-failed img { display: none; }
.img-failed::after { content: "Image unavailable"; font: 500 0.85rem var(--font-mono); color: var(--text-muted); padding: var(--space-4); text-align: center; }
.nez { padding: var(--space-6) 0; border-top: 1px solid var(--border); color: var(--text-secondary); }
.contact { background: var(--surface); border-top: 1px solid var(--border); }
.contact-grid { display: grid; gap: var(--space-7); margin-top: var(--space-6); }
@media (min-width: 62rem) { .contact-grid { grid-template-columns: 1.4fr 1fr; } }
.social li { padding: var(--space-3) 0; border-bottom: 1px solid var(--border); display: flex; gap: var(--space-4); align-items: baseline; }
.social .label { min-width: 6.5rem; }

/* Forms */
.contact-form { display: grid; gap: var(--space-4); }
html:not(.js) .contact-form { display: none; }
.field label { display: block; font-weight: 600; margin-bottom: var(--space-2); }
.field input, .field textarea { width: 100%; padding: 0.8rem 1rem; background: var(--background); color: var(--text-primary); border: 1px solid var(--border-strong); border-radius: var(--radius-sm); font: inherit; }
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--error); }
.field-err { color: var(--error); font-size: 0.9rem; margin-top: var(--space-2); }
.field-err::before { content: "⚠ "; }
.hint { text-transform: none; letter-spacing: 0; margin-top: var(--space-2); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-status { min-height: 1.5rem; }
.form-status[data-state="success"] { color: var(--success); }
.form-status[data-state="error"] { color: var(--error); }
.form-status:focus { outline: none; }

/* Project detail */
.crumbs ol { display: flex; flex-wrap: wrap; gap: var(--space-2); font: 500 0.85rem var(--font-mono); color: var(--text-muted); margin-bottom: var(--space-5); }
.crumbs li + li::before { content: "/"; margin-right: var(--space-2); }
.narrow .h3 { margin-top: var(--space-6); }
.pager { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-4); margin: var(--space-7) 0 var(--space-5); padding-top: var(--space-5); border-top: 1px solid var(--border); }
.foot-links { display: flex; gap: var(--space-5); flex-wrap: wrap; }
.site-footer { border-top: 1px solid var(--border); padding: var(--space-6) 0 var(--space-7); color: var(--text-muted); font-size: 0.9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: var(--space-4); justify-content: space-between; }
.detail { margin-top: var(--space-7); }

/* Lightbox */
.lightbox { width: 100vw; max-width: 100vw; height: 100dvh; max-height: 100dvh; margin: 0; padding: var(--space-4); border: 0; background: rgb(3 4 6 / 96%); color: #eef1f5; }
.lightbox[open] { display: grid; grid-template-rows: 1fr auto auto; gap: var(--space-3); }
.lightbox::backdrop { background: rgb(0 0 0 / 70%); }
.lb-stage { display: grid; place-items: center; min-height: 0; }
.lb-stage img { max-height: 100%; width: auto; max-width: 100%; object-fit: contain; }
.lb-caption { text-align: center; font: 600 0.9rem var(--font-mono); letter-spacing: 0.08em; }
.lb-controls { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: var(--space-3); padding-bottom: env(safe-area-inset-bottom); }
.lightbox .btn-ghost { color: #eef1f5; border-color: #8f99a8; }
.lightbox :focus-visible { outline-color: #8ac7ff; }

/* Game */
.game { margin-top: var(--space-8); padding-top: var(--space-6); border-top: 1px solid var(--border); }
.game p { color: var(--text-secondary); margin-top: var(--space-2); }
.game-frame { position: relative; width: min(100%, 22.5rem); margin-top: var(--space-4); border: 1px solid var(--border-strong); border-radius: var(--radius-md); overflow: hidden; background: var(--surface); touch-action: none; }
.game-frame canvas { width: 100%; height: auto; display: block; }
.game-overlay { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; gap: var(--space-2); background: color-mix(in srgb, var(--background) 80%, transparent); padding: var(--space-4); }
.game-overlay[hidden] { display: none; }
.game-overlay p { margin: 0; }
.game-hud { display: flex; gap: var(--space-5); font-family: var(--font-mono); margin-top: var(--space-3); }
.game-controls { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }
.game-controls .spacer { flex: 1 0 1rem; }
.game details { margin-top: var(--space-4); color: var(--text-secondary); }
.game summary { cursor: pointer; font-weight: 600; min-height: 2.75rem; display: flex; align-items: center; }
.game details ul { list-style: disc; padding-left: var(--space-5); display: grid; gap: var(--space-2); }

/* Reveal motion (only when JS is running; content is always visible otherwise) */
.js .reveal { opacity: 0; transform: translateY(1.5rem); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.js .reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: no-preference) {
  .hero .w { animation: rise 0.9s var(--ease) both; animation-delay: calc(var(--i, 0) * 0.12s); }
  .hero .w[data-i="0"] { --i: 1; } .hero .w[data-i="1"] { --i: 2; } .hero .w[data-i="2"] { --i: 3; }
  .hero-bg img { animation: drift 30s ease-in-out infinite alternate; }
  @keyframes rise { from { opacity: 0; transform: translateY(0.6em); } }
  @keyframes drift { to { transform: scale(1.08) translateY(-1%); } }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js .reveal { opacity: 1; transform: none; }
  .marquee-track { width: auto; flex-wrap: wrap; }
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}
@media (forced-colors: active) { .btn, .icon-btn { border: 1px solid ButtonText; } }