/* ============ Tokens ============ */
:root {
  --bg: #06060b;
  --bg2: rgba(10, 10, 18, 0.6);
  --panel: rgba(14, 13, 24, 0.84);
  --panel2: #13121f;
  --line: rgba(242, 240, 247, 0.09);
  --line2: rgba(242, 240, 247, 0.18);
  --ink: #f2f0f7;
  --muted: rgba(242, 240, 247, 0.66);
  --faint: rgba(242, 240, 247, 0.48);
  --pink: #ff4fa3;
  --violet: #9b6bff;
  --blue: #4f8dff;
  --grad: linear-gradient(90deg, var(--pink), var(--violet) 52%, var(--blue));
  --glass: rgba(16, 14, 28, 0.62);
  --code-bg: #0b0a14;
  --code-ink: #e9e6f5;
  --code-k: #c49bff;
  --code-f: #7fb2ff;
  --code-s: #ff8cc4;
  --pv-bg: #f7f6fb;
  --pv-ink: #14131c;
  --shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.8);
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --r: 18px;
  color-scheme: dark;
}
:root { --s1: 255 61 139; --s2: 122 92 255; --s3: 47 125 255; }
:root[data-scene="teaching"] { --s1: 122 92 255; --s2: 47 125 255; --s3: 255 61 139; }
:root[data-scene="tools"] { --s1: 47 125 255; --s2: 56 152 236; --s3: 122 92 255; }
:root[data-scene="research"] { --s1: 79 70 229; --s2: 47 125 255; --s3: 122 92 255; }
:root[data-scene="vivace"] { --s1: 255 122 26; --s2: 255 61 139; --s3: 13 148 136; }
:root[data-scene="contact"] { --s1: 255 61 139; --s2: 122 92 255; --s3: 47 125 255; }
:root[data-theme="light"] {
  --bg: #f4f4f7;
  --bg2: rgba(228, 228, 238, 0.55);
  --panel: rgba(255, 255, 255, 0.86);
  --panel2: #f7f7fa;
  --line: rgba(18, 17, 26, 0.09);
  --line2: rgba(18, 17, 26, 0.18);
  --ink: #12111a;
  --muted: rgba(18, 17, 26, 0.68);
  --faint: rgba(18, 17, 26, 0.62);
  --pink: #c2166f;
  --violet: #6b3df0;
  --blue: #1f5fe0;
  --glass: rgba(255, 255, 255, 0.7);
  --code-bg: #fbfbfe;
  --code-ink: #1b1a26;
  --code-k: #6b3df0;
  --code-f: #1f5fe0;
  --code-s: #c0186c;
  --pv-bg: #ffffff;
  --shadow: 0 30px 70px -45px rgba(30, 20, 80, 0.35);
  color-scheme: light;
}

/* ============ Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; scroll-padding-top: 84px; }
html[data-motion="off"] { scroll-behavior: auto; }
body { margin: 0; background: transparent; color: var(--ink); font: 400 1rem/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button, input, textarea, output { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--violet); outline-offset: 3px; border-radius: 6px; }
.sr { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; }
.skip { position: fixed; left: 1rem; top: -4rem; z-index: 50; padding: .7rem 1rem; border-radius: 10px; background: var(--ink); color: var(--bg); text-decoration: none; }
.skip:focus { top: 1rem; }
.wrap { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); }
.ico { width: 1em; height: 1em; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

.meta { display: flex; flex-wrap: wrap; align-items: center; gap: .35rem .7rem; font: 500 .72rem/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--faint); }
.meta b { font-weight: 500; color: var(--pink); }
.chip { display: inline-flex; align-items: center; padding: .3rem .55rem; border: 1px solid var(--line2); border-radius: 6px; font: 500 .68rem/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
.chip--soon, .chip--arch { border-style: dashed; }

.btn {
  display: inline-flex; align-items: center; gap: .55rem; padding: .85rem 1.3rem;
  border: 1px solid var(--line2); border-radius: 999px; background: var(--glass);
  text-decoration: none; font-weight: 500; line-height: 1; cursor: pointer;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.btn:hover { border-color: var(--muted); transform: translateY(-1px); }
.btn--main { border-color: transparent; color: #fff; background: var(--grad); }
.btn--main:hover { box-shadow: 0 12px 40px -12px var(--violet); }
.btn--sm { padding: .6rem 1rem; font-size: .9rem; }
.btn .ico { transition: transform .25s; }
.btn:hover .ico { transform: translateX(3px); }
.link { display: inline-flex; align-items: center; gap: .45rem; font-weight: 500; text-decoration: none; background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat; padding-bottom: 3px; transition: background-size .3s; }
.link:hover { background-size: 0 1px; background-position: 100% 100%; }

/* ============ Splash: once per visit, about 1.5 s, click to skip ============ */
@property --hole { syntax: "<length-percentage>"; inherits: false; initial-value: 0%; }
.splash {
  position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; background: var(--bg);
  -webkit-mask: radial-gradient(circle at 50% 50%, transparent var(--hole), #000 calc(var(--hole) + 1px));
  mask: radial-gradient(circle at 50% 50%, transparent var(--hole), #000 calc(var(--hole) + 1px));
  animation: sp-open .6s cubic-bezier(.7, 0, .2, 1) 1.05s forwards;
}
.no-splash .splash { display: none; }
.splash__in { display: grid; justify-items: center; gap: 1.1rem; animation: sp-out .45s ease 1s forwards; }
.splash__eq { display: flex; align-items: center; gap: 7px; height: 72px; filter: drop-shadow(0 0 18px color-mix(in oklab, var(--violet) 55%, transparent)); }
.splash__eq i { width: 6px; height: 100%; border-radius: 3px; background: var(--grad); background-size: 400% 100%; transform: scaleY(.15); animation: sp-bar .5s ease-in-out infinite alternate; }
.splash__eq i:nth-child(1) { background-position: 0 0; animation-delay: -.1s; }
.splash__eq i:nth-child(2) { background-position: 16% 0; animation-delay: -.35s; }
.splash__eq i:nth-child(3) { background-position: 33% 0; animation-delay: -.2s; }
.splash__eq i:nth-child(4) { background-position: 50% 0; animation-delay: -.45s; }
.splash__eq i:nth-child(5) { background-position: 66% 0; animation-delay: -.05s; }
.splash__eq i:nth-child(6) { background-position: 83% 0; animation-delay: -.3s; }
.splash__eq i:nth-child(7) { background-position: 100% 0; animation-delay: -.15s; }
.splash__name { font: 400 clamp(2.6rem, 7vw, 4.6rem)/1 var(--serif); letter-spacing: -.02em; color: var(--ink); opacity: 0; transform: translateY(14px); animation: sp-up .55s cubic-bezier(.2, .7, .2, 1) .15s forwards; }
.splash__name em { font-style: italic; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .05em; }
.splash__line { width: min(320px, 70vw); height: 1px; background: var(--grad); transform: scaleX(0); animation: sp-line .7s cubic-bezier(.6, 0, .2, 1) .25s forwards; }
.splash__tag { font: 500 .7rem/1 var(--mono); letter-spacing: .32em; text-transform: uppercase; color: var(--muted); opacity: 0; animation: sp-up .5s ease .45s forwards; }
@keyframes sp-bar { to { transform: scaleY(1); } }
@keyframes sp-up { to { opacity: 1; transform: none; } }
@keyframes sp-line { to { transform: scaleX(1); } }
@keyframes sp-out { to { opacity: 0; transform: scale(1.06); } }
@keyframes sp-open { 99% { --hole: 75vmax; } to { --hole: 75vmax; visibility: hidden; } }

/* ============ Header ============ */
.bar {
  position: fixed; inset: 0 0 auto; z-index: 20; display: flex; align-items: center; gap: 2rem;
  padding: 14px clamp(16px, 4vw, 48px); border-bottom: 1px solid transparent;
  transition: background .3s, border-color .3s;
}
.bar.is-scrolled { background: color-mix(in oklab, var(--bg) 80%, transparent); border-color: var(--line); backdrop-filter: blur(14px) saturate(1.3); -webkit-backdrop-filter: blur(14px) saturate(1.3); }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; font-weight: 600; letter-spacing: -.01em; }
.bar__nav { display: flex; gap: 1.7rem; margin-left: auto; }
.bar__nav a { position: relative; text-decoration: none; color: var(--muted); font-size: .94rem; transition: color .2s; }
.bar__nav a:hover, .bar__nav a[aria-current="true"] { color: var(--ink); }
.bar__nav a[aria-current="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 2px; border-radius: 2px; background: var(--grad); }
.bar__ctl { display: flex; gap: .5rem; }
.ctl {
  width: 40px; height: 40px; display: grid; place-items: center; border: 1px solid var(--line2); border-radius: 50%;
  background: var(--glass); cursor: pointer; backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: border-color .2s, transform .2s;
}
.ctl:hover { border-color: var(--muted); transform: scale(1.06); }
.ctl svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.ctl .i-play, [data-motion="off"] .ctl .i-pause { display: none; }
[data-motion="off"] .ctl .i-play { display: inline; fill: currentColor; stroke: none; }
.i-moon, [data-theme="light"] .i-sun { display: none; }
[data-theme="light"] .i-moon { display: inline; }
.ctl--menu { display: none; }

/* ============ Hero ============ */
.hero { position: relative; min-height: 100vh; min-height: 100svh; display: flex; align-items: center; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -10%; pointer-events: none;
  background:
    radial-gradient(38% 42% at 22% 45%, color-mix(in oklab, var(--pink) 13%, transparent), transparent 70%),
    radial-gradient(34% 40% at 78% 50%, color-mix(in oklab, var(--blue) 15%, transparent), transparent 70%);
  filter: blur(20px);
}
.fluid { position: fixed; top: 0; left: 0; z-index: -1; width: 100%; height: 100vh; pointer-events: none; transition: opacity .45s ease; }
[data-motion="off"] .fluid { opacity: 0; }
.hero__in { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-top: 110px; padding-bottom: 90px; }
.pill {
  display: inline-flex; align-items: center; gap: .6rem; padding: .4rem .9rem .4rem .4rem; margin-bottom: 1.8rem;
  border: 1px solid var(--line2); border-radius: 999px; background: var(--glass); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  text-decoration: none; font-size: .9rem; color: var(--muted); transition: border-color .2s, color .2s;
}
.pill:hover { border-color: var(--muted); color: var(--ink); }
.pill__tag { padding: .22rem .55rem; border-radius: 999px; background: var(--grad); color: #fff; font: 500 .66rem/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; }
.name { font: 400 clamp(4.6rem, 10.6vw, 10.5rem)/.86 var(--serif); letter-spacing: -.025em; transition: color 1.2s ease; }
.name span, .name em { display: block; }
.name em { padding-left: .5em; font-style: italic; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .06em; }
.hero__in { position: relative; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.4rem; }
.tags span { padding: .3rem .6rem; border: 1px solid var(--line2); border-radius: 6px; font: 500 .68rem/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); background: var(--glass); }
.tags span::before { content: "\25B8\00a0"; color: var(--pink); }
.role { display: flex; flex-wrap: wrap; gap: .3rem 1.2rem; margin-top: 2rem; color: var(--muted); font-size: 1.05rem; }
.role strong { color: var(--ink); font-weight: 600; }
.role span::before { content: ""; display: inline-block; width: 4px; height: 4px; margin: 0 1.2rem .2em 0; border-radius: 50%; background: var(--pink); vertical-align: middle; }
.lede { max-width: 46ch; margin-top: 1.2rem; font-size: 1.15rem; color: var(--muted); text-wrap: pretty; }
.actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 2rem; }

.portrait { position: relative; width: min(420px, 100%); justify-self: end; padding: 14px 14px 0; }
.portrait::before { content: ""; position: absolute; inset: 8% -6% 4%; z-index: -1; background: var(--grad); opacity: .3; filter: blur(60px); border-radius: 50%; }
.portrait img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 10px; }
.portrait__corner { position: absolute; width: 22px; height: 22px; border: 0 solid var(--ink); opacity: .55; }
.portrait__corner--tl { left: 0; top: 0; border-width: 1.5px 0 0 1.5px; }
.portrait__corner--tr { right: 0; top: 0; border-width: 1.5px 1.5px 0 0; }
.portrait__corner--bl { left: 0; bottom: 30px; border-width: 0 0 1.5px 1.5px; }
.portrait__corner--br { right: 0; bottom: 30px; border-width: 0 1.5px 1.5px 0; }
.portrait figcaption { display: flex; justify-content: space-between; gap: 1rem; padding: 16px 0 0; font: 500 .68rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }


/* ============ Sections ============ */
.sec { position: relative; padding: clamp(72px, 8vw, 112px) 0; border-top: 1px solid var(--line); }
.sec__head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.2rem 4rem; align-items: end; margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.eyebrow { grid-column: 1 / -1; display: flex; align-items: center; gap: .9rem; font: 500 .74rem/1 var(--mono); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }
.eyebrow > span:first-child { display: inline-grid; place-items: center; min-width: 2.2rem; height: 1.6rem; border: 1px solid var(--line2); border-radius: 6px; color: var(--pink); }
.eyebrow::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line2), transparent); }
.sec__title { font: 400 clamp(3rem, 6.6vw, 6rem)/.92 var(--serif); letter-spacing: -.02em; }
.sec__title em { font-style: italic; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .08em; }
.sec__lede { max-width: 52ch; color: var(--muted); font-size: 1.1rem; text-wrap: pretty; }
.sec__links { grid-column: 2; display: flex; flex-wrap: wrap; gap: .7rem; }
.sec__more { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem 2rem; margin-top: 2.2rem; }

/* ---------- Films ---------- */
.feature {
  display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: clamp(1.5rem, 3vw, 3rem); align-items: center;
  padding: 14px; border: 1px solid var(--line); border-radius: calc(var(--r) + 6px); background: var(--panel); text-decoration: none;
  box-shadow: var(--shadow); transition: border-color .3s;
}
.feature:hover { border-color: var(--line2); }
.feature__body { display: grid; gap: 1rem; padding: 1rem 1.5rem 1rem 0; }
.feature__title { font: 400 clamp(2rem, 3.6vw, 3.4rem)/1 var(--serif); letter-spacing: -.015em; }
.feature__sub { color: var(--muted); max-width: 40ch; }
.feature .link { justify-self: start; }
.feature__media, .film__media { position: relative; display: block; overflow: hidden; border-radius: var(--r); background: var(--bg2); aspect-ratio: 16 / 9; }
.feature__media img, .film__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .2, 1); }
.feature:hover img, .film:hover img { transform: scale(1.04); }
.play {
  position: absolute; left: 18px; bottom: 18px; width: 56px; height: 56px; display: grid; place-items: center; border-radius: 50%;
  background: rgba(10, 9, 18, .55); color: #fff; border: 1px solid rgba(255, 255, 255, .25); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: transform .3s, background .3s;
}
.play svg { width: 22px; height: 22px; margin-left: 3px; }
.feature:hover .play, .film:hover .play { transform: scale(1.08); background: #ff4fa3; border-color: transparent; }
.chip--time { position: absolute; right: 14px; top: 14px; background: rgba(10, 9, 18, .62); color: #fff; border-color: rgba(255, 255, 255, .22); }
.film .play { width: 44px; height: 44px; left: 12px; bottom: 12px; }
.film .play svg { width: 17px; height: 17px; }
.film .chip--time { right: 10px; top: 10px; }

.films { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1.4rem, 2.4vw, 2rem); margin-top: clamp(1.5rem, 3vw, 2.4rem); }
.film { display: grid; gap: .75rem; text-decoration: none; }
.film .meta { margin-top: .35rem; }
.film__title { font: 400 1.55rem/1.08 var(--serif); letter-spacing: -.01em; text-wrap: balance; transition: color .2s; }
.film:hover .film__title { color: var(--pink); }

/* ---------- Courses ---------- */
.method { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-bottom: clamp(1rem, 2vw, 1.5rem); border: 1px solid var(--line); border-radius: var(--r); background: var(--line); overflow: hidden; }
.method li { display: flex; gap: 1rem; align-items: baseline; padding: 1.3rem clamp(1rem, 2vw, 1.6rem); background: var(--panel); }
.method b { font: 500 .78rem/1 var(--mono); color: var(--pink); }
.method span { display: grid; gap: .2rem; color: var(--muted); font-size: .95rem; }
.method strong { font: 400 1.5rem/1.1 var(--serif); color: var(--ink); }
.tracks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); }
.track { position: relative; display: flex; flex-direction: column; gap: 1.1rem; padding: clamp(1.5rem, 3vw, 2.4rem); border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); overflow: hidden; transition: border-color .3s, transform .3s; }
.track::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; background: var(--grad); }
.track:hover { border-color: var(--line2); }
.track .btn { align-self: flex-start; margin-top: auto; }
.track .stack { margin-bottom: .6rem; }
.track__title { font: 400 clamp(2rem, 3.2vw, 2.9rem)/1 var(--serif); letter-spacing: -.015em; }
/* Three tracks: Mobile, the web films, then JavaScript and Node.js. Each card sizes its own type and steps (a container),
   so a narrow card stacks the chip under its question. */
.tracks--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tracks--3 .track { container-type: inline-size; }
.tracks--3 .track__title { font-size: clamp(1.9rem, 9.5cqi, 2.9rem); }
@container (max-width: 470px) {
  .tracks--3 .steps li { grid-template-columns: 2.2rem minmax(0, 1fr); gap: .35rem .6rem; padding: .7rem 0; }
  .tracks--3 .steps .chip { grid-column: 2; justify-self: start; padding: .22rem .45rem; font-size: .62rem; }
  .tracks--3 .steps__q { font-size: 1.14rem; }
}
@media (max-width: 1199px) and (min-width: 761px) {
  .tracks.tracks--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tracks--3 > .track:first-child { grid-column: 1 / -1; }
}
@media (max-width: 760px) { .tracks.tracks--3 { grid-template-columns: minmax(0, 1fr); } }
.track__title a { text-decoration: none; }
.track__title a:hover { color: var(--pink); }
.track__sub { color: var(--muted); max-width: 46ch; }
.steps { position: relative; display: grid; border-top: 1px solid var(--line); }
.steps li { border-bottom: 1px solid var(--line); }
.steps li { display: grid; grid-template-columns: 3.6rem minmax(0, 1fr) auto; gap: 1rem; align-items: center; padding: .95rem 0; }
.steps li > a { display: contents; text-decoration: none; }
.steps li.is-open:hover .steps__q { color: var(--pink); }
.steps__n { font: 500 .74rem/1 var(--mono); color: var(--pink); letter-spacing: .06em; }
.steps__q { font: 400 1.3rem/1.15 var(--serif); transition: color .2s; }
.steps li:not(.is-open) .steps__q { color: var(--muted); }
.stack { display: flex; flex-wrap: wrap; gap: .4rem; }
.stack li { padding: .35rem .6rem; border: 1px solid var(--line2); border-radius: 6px; font: 500 .7rem/1 var(--mono); letter-spacing: .06em; color: var(--muted); }

/* ---------- Tools: the two playgrounds as a showcase, the others as cards ---------- */
.pgs { display: grid; gap: clamp(1rem, 2vw, 1.5rem); }
.pg {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(1.5rem, 4vw, 4rem); align-items: center;
  padding: clamp(1.5rem, 3vw, 2.6rem); border: 1px solid var(--line); border-radius: calc(var(--r) + 6px); background: var(--panel);
  text-decoration: none; overflow: hidden; transition: border-color .3s;
}
.pg:hover { border-color: var(--line2); }
.pg--flip .pg__body { order: 2; }
.pg__body { display: grid; gap: 1rem; align-content: center; }
.pg__title { font: 400 clamp(2.4rem, 4.4vw, 4rem)/.95 var(--serif); letter-spacing: -.02em; }
.pg:hover .pg__title { background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pg__sub { color: var(--muted); font-size: 1.08rem; max-width: 40ch; }
.pg__feats { display: flex; flex-wrap: wrap; gap: .4rem; }
.pg__feats span { padding: .35rem .65rem; border: 1px solid var(--line2); border-radius: 999px; font-size: .85rem; color: var(--muted); }
.pg__feats span::before { content: "✓ "; color: var(--pink); }
.pg__cta { justify-self: start; margin-top: .4rem; }
.pg:hover .pg__cta { box-shadow: 0 12px 40px -12px var(--violet); }
.pg:hover .pg__cta .ico { transform: translateX(4px); }
.pg__shot { position: relative; display: block; perspective: 1400px; }
.pg__frame {
  position: relative; display: block; border-radius: 12px; overflow: hidden; border: 1px solid var(--line2);
  box-shadow: 0 40px 90px -40px rgba(60, 30, 140, .55), 0 0 0 1px rgba(255, 255, 255, .04);
  transform: rotateY(var(--ty, -7deg)) rotateX(var(--tx, 4deg)); transform-origin: 50% 50%;
  transition: transform .6s cubic-bezier(.2, .7, .2, 1);
}
.pg--flip .pg__frame { --ty: 7deg; }
.pg:hover .pg__frame { transform: rotateY(var(--hy2, 0deg)) rotateX(var(--hx2, 0deg)) scale(1.02); }
.pg__frame::after { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 35%, rgba(255, 255, 255, .16) 50%, transparent 65%); transform: translateX(-100%); pointer-events: none; }
.pg:hover .pg__frame::after { transform: translateX(100%); transition: transform 1s ease; }
.pg__img { width: 100%; height: auto; }
.pg__img--light, [data-theme="light"] .pg__img--dark { display: none; }
[data-theme="light"] .pg__img--light { display: block; }
.pg__shot::before { content: ""; position: absolute; inset: 10% 5% -6%; background: var(--grad); filter: blur(60px); opacity: .28; border-radius: 50%; z-index: -1; }
/* the little film on the capture: a cursor goes to Run, clicks, the result lights up, a toast says so */
.pg__cursor { position: absolute; left: 62%; top: 58%; width: 18px; height: 18px; opacity: 0; pointer-events: none;
  background: no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 2l15 11-7 1-4 7z' fill='white' stroke='black' stroke-width='1.4' stroke-linejoin='round'/%3E%3C/svg%3E"); }
.pg__hit { position: absolute; left: var(--hx); top: var(--hy); width: var(--hw); height: var(--hh); border-radius: 8px; opacity: 0; pointer-events: none;
  box-shadow: inset 0 0 0 2px #ff4fa3, 0 0 40px rgba(255, 79, 163, .45); }
.pg__toast { position: absolute; right: -10px; bottom: -14px; padding: .6rem .9rem; border: 1px solid var(--line2); border-radius: 10px; background: var(--panel);
  font: 500 .76rem/1 var(--mono); color: var(--ink); box-shadow: var(--shadow); opacity: 0; transform: translateY(8px); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.pg__toast b { color: #3ccf8e; font-weight: 500; margin-right: .3rem; }
.pg--flip .pg__toast { right: auto; left: -10px; }
.pg.is-live .pg__cursor { animation: pg-cursor 6s cubic-bezier(.5, 0, .2, 1) infinite; }
.pg.is-live .pg__hit { animation: pg-hit 6s ease infinite; }
.pg.is-live .pg__toast { animation: pg-toast 6s ease infinite; }
@keyframes pg-cursor {
  0% { opacity: 0; left: 62%; top: 58%; transform: none; }
  8% { opacity: 1; }
  30% { left: var(--rx); top: var(--ry); transform: none; }
  34% { left: var(--rx); top: var(--ry); transform: scale(.8); }
  38% { left: var(--rx); top: var(--ry); transform: none; }
  80% { opacity: 1; left: var(--rx); top: var(--ry); }
  92%, 100% { opacity: 0; left: var(--rx); top: var(--ry); }
}
@keyframes pg-hit { 0%, 36% { opacity: 0; } 44%, 76% { opacity: 1; } 88%, 100% { opacity: 0; } }
@keyframes pg-toast { 0%, 40% { opacity: 0; transform: translateY(8px); } 48%, 80% { opacity: 1; transform: none; } 90%, 100% { opacity: 0; transform: translateY(-4px); } }
[data-motion="off"] .pg__cursor, [data-motion="off"] .pg__hit { display: none; }
[data-motion="off"] .pg__toast { opacity: 1; transform: none; animation: none; }

.more { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2vw, 1.5rem); margin-top: clamp(1rem, 2vw, 1.5rem); }
.more__card { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .3rem 1.1rem; align-items: baseline; height: 100%; padding: 1.5rem; border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); text-decoration: none; transition: border-color .3s, transform .3s; }
.more__card:hover { border-color: var(--line2); transform: translateY(-3px); }
.more__n { grid-row: 1 / span 2; font: 400 3.2rem/.9 var(--serif); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; padding-right: .05em; }
.more__t { font: 400 1.5rem/1.1 var(--serif); }
.more__card:hover .more__t { color: var(--pink); }
.more__d { color: var(--muted); font-size: .92rem; }

/* ---------- Research ---------- */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); margin-bottom: 1.8rem; }
.stats div { padding: 1.4rem clamp(1rem, 2.5vw, 2rem); }
.stats div + div { border-left: 1px solid var(--line); }
.stats dt { font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--faint); }
.stats dd { margin-top: .5rem; font: 400 clamp(2.4rem, 4.5vw, 3.6rem)/1 var(--serif); }
.seg { display: inline-flex; flex-wrap: wrap; padding: 4px; border: 1px solid var(--line2); border-radius: 999px; margin-bottom: 1.4rem; }
.seg button { padding: .55rem 1rem; border: 0; border-radius: 999px; background: transparent; cursor: pointer; color: var(--muted); font-size: .92rem; }
.seg button b { font: 500 .7rem var(--mono); margin-left: .3rem; color: var(--faint); }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--bg); }
.seg button[aria-pressed="true"] b { color: inherit; opacity: .7; }
.pubs { border-top: 1px solid var(--line); }
.pubs li { display: grid; grid-template-columns: 6rem minmax(0, 1fr); gap: 1.5rem; padding: 1.4rem 0; border-bottom: 1px solid var(--line); }
.pubs li[hidden] { display: none; }
.pubs__y { font: 400 1.6rem/1 var(--serif); color: var(--muted); }
.pubs li > div { display: grid; gap: .45rem; }
.pubs li > div > a { font: 400 clamp(1.3rem, 2vw, 1.6rem)/1.15 var(--serif); text-decoration: none; transition: color .2s; }
.pubs li > div > a:hover { color: var(--pink); }
.pubs li > div > a::after { content: " ↗"; font: 400 .9em var(--sans); color: var(--faint); }
.pubs .meta { text-transform: none; letter-spacing: .02em; font-size: .78rem; }
.pubs .doi { color: var(--muted); }
.pubs__a { color: var(--muted); font-size: .93rem; }
.pubs__a b { color: var(--ink); font-weight: 600; }

/* ---------- Archive ---------- */
.sec--archive { background: var(--bg2); }
.archive { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(1rem, 2vw, 1.5rem); align-items: start; }
.note { display: grid; gap: 1rem; padding: clamp(1.5rem, 3vw, 2.4rem); border: 1px dashed var(--line2); border-radius: var(--r); background: var(--panel); }
.note > p:not(.meta) { color: var(--muted); }
.note > .note__sign { font: italic 400 1.6rem/1 var(--serif); color: var(--ink); }
.arch { border: 1px solid var(--line); border-radius: var(--r); background: var(--panel); overflow: hidden; }
.arch li + li { border-top: 1px solid var(--line); }
.arch a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .25rem 1rem; align-items: center; padding: 1.2rem clamp(1.2rem, 2.5vw, 2rem); text-decoration: none; transition: background .25s; }
.arch a:hover { background: var(--panel2); }
.arch__t { font: 400 1.5rem/1.1 var(--serif); }
.arch__m { grid-column: 1; color: var(--faint); font-size: .9rem; }
.arch .chip { grid-column: 2; grid-row: 1 / span 2; }

/* ---------- Music ---------- */
.vivace { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; }
.disc { position: relative; aspect-ratio: 1; max-width: 460px; width: 100%; }
.disc canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.disc__vinyl {
  position: absolute; inset: 15%; border-radius: 50%;
  background:
    radial-gradient(circle, transparent 0 17%, rgba(255, 255, 255, .06) 17.4%, transparent 18%),
    repeating-radial-gradient(circle, transparent 0 4px, rgba(255, 255, 255, .045) 4px 5px),
    conic-gradient(from 210deg, #0b0a12, #1a1726 12%, #0b0a12 25%, #15121f 45%, #0b0a12 60%, #1d1a2a 78%, #0b0a12);
  border: 1px solid rgba(255, 255, 255, .12); box-shadow: var(--shadow), inset 0 0 40px rgba(0, 0, 0, .6);
}
.disc__wave, .disc__clef { position: absolute; inset: 20%; width: 60%; height: 60%; object-fit: contain; }
.disc__clef { filter: drop-shadow(0 4px 14px rgba(0, 0, 0, .55)); }
[data-motion="on"] .disc__vinyl { animation: spin 14s linear infinite; }
[data-motion="on"] .disc__wave { animation: breathe 6s ease-in-out infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes breathe { 50% { transform: scale(1.05) rotate(-2deg); } }
.vivace__body { display: grid; gap: 1.1rem; }
.vivace__body > p:not(.meta):not(.actions):not(.vivace__tag):not(.vivace__yt) { color: var(--muted); max-width: 56ch; }
.vivace__body .actions { margin-top: .4rem; }
.vivace__tag { font: 400 clamp(1.6rem, 2.6vw, 2.2rem)/1.12 var(--serif); }
.vivace__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.vivace__grid .meta { margin-bottom: .45rem; }
.vivace__grid .meta:not(:first-child) { margin-top: 1rem; }
.vivace__grid li { padding: .3rem 0; }
.vivace__grid p:not(.meta) { color: var(--muted); }
.vivace__yt { display: flex; flex-wrap: wrap; gap: 1rem 2rem; }

/* ---------- Contact ---------- */
.sec--contact .eyebrow { margin-bottom: 1.6rem; }
.sec--contact .sec__lede { margin-top: 1.2rem; }
.mail {
  display: inline-block; margin-top: clamp(2rem, 4vw, 3rem); font: italic 400 clamp(2.2rem, 7.4vw, 7rem)/1.05 var(--serif); letter-spacing: -.02em;
  text-decoration: none; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; overflow-wrap: anywhere; padding: 0 .08em .1em 0;
}
.socials { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2.4rem; }
.socials a { display: inline-block; padding: .65rem 1rem; border: 1px solid var(--line2); border-radius: 999px; text-decoration: none; color: var(--muted); font-size: .92rem; transition: color .2s, border-color .2s; }
.socials a:hover { color: var(--ink); border-color: var(--muted); }

/* ---------- Footer ---------- */
.foot { border-top: 1px solid var(--line); padding: 2.4rem 0; color: var(--faint); font-size: .9rem; }
.foot__in { display: grid; grid-template-columns: auto 1fr auto; gap: 1rem 2rem; align-items: center; }
.foot .brand { color: var(--ink); }
.foot__nav { display: flex; flex-wrap: wrap; gap: .4rem 1.4rem; justify-content: flex-end; }
.foot__nav a { text-decoration: none; color: var(--muted); }
.foot__nav a:hover { color: var(--ink); }
.foot__c { grid-column: 1 / -1; }

/* ---------- Reveal: only once the script runs, only with motion on ---------- */
[data-motion="on"] .rv { opacity: 0; transform: translateY(22px); transition: opacity .8s ease, transform .9s cubic-bezier(.2, .7, .2, 1); }
[data-motion="on"] .rv.is-in { opacity: 1; transform: none; }

/* ============ Responsive ============ */
@media (max-width: 1080px) {
  .bar__nav { gap: 1.2rem; }
  .films { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tracks, .more { grid-template-columns: minmax(0, 1fr); }
  .pg { grid-template-columns: minmax(0, 1fr); }
  .pg--flip .pg__body { order: 0; }
}
@media (max-width: 900px) {
  .bar__nav {
    position: absolute; top: calc(100% + 8px); right: clamp(16px, 4vw, 48px); left: clamp(16px, 4vw, 48px);
    display: none; flex-direction: column; gap: 0; padding: .5rem; border: 1px solid var(--line2); border-radius: 16px;
    background: color-mix(in oklab, var(--bg) 94%, transparent); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  }
  .bar__nav.is-open { display: flex; }
  .bar__nav a { padding: .9rem 1rem; font-size: 1.05rem; color: var(--ink); }
  .bar__nav a[aria-current="true"]::after { display: none; }
  .bar__ctl { margin-left: auto; }
  .ctl--menu { display: grid; }
  .hero { min-height: auto; }
  .hero__in { grid-template-columns: minmax(0, 1fr); gap: 0; padding-top: 96px; padding-bottom: 72px; }
  .hero__text { display: contents; }
  .pill { order: 1; justify-self: start; }
  .name { order: 2; font-size: clamp(4.6rem, 24vw, 8rem); }
  .tags { order: 3; }
  .role { order: 4; }
  .portrait { order: 5; justify-self: start; width: min(340px, 80%); margin-top: 2rem; }
  .lede { order: 6; margin-top: 1.8rem; }
  .actions { order: 7; }

  .sec__head { grid-template-columns: minmax(0, 1fr); }
  .sec__links { grid-column: 1; }
  .feature { grid-template-columns: minmax(0, 1fr); }
  .feature__body { padding: .4rem .6rem 1rem; }
  .archive, .vivace { grid-template-columns: minmax(0, 1fr); }
  .method { grid-template-columns: minmax(0, 1fr); }
  .disc { max-width: 340px; }
}
@media (max-width: 640px) {
  .brand span { font-size: .95rem; }
  .pill__more { display: none; }
  .portrait figcaption span:first-child { display: none; }
  .role { flex-direction: column; gap: .2rem; }
  .role span::before { display: none; }
  .films { grid-template-columns: minmax(0, 1fr); }
  .film { grid-template-columns: 40% minmax(0, 1fr); grid-template-rows: auto 1fr; column-gap: 1rem; row-gap: .3rem; align-items: start; }
  .film__media { grid-row: 1 / span 2; }
  .film .meta { margin-top: 0; }
  .film__title { font-size: 1.22rem; }
  .film .play { width: 34px; height: 34px; left: 8px; bottom: 8px; }
  .film .play svg { width: 13px; height: 13px; }
  .film .chip--time { display: none; }
  .film--next { display: none; }
  .stats div { padding: 1rem; }
  .steps li { grid-template-columns: 3.2rem minmax(0, 1fr); }
  .steps .chip { grid-column: 2; justify-self: start; }
  .pg__frame { transform: none; }
  .pg__toast { right: 8px; bottom: -12px; }
  .pg--flip .pg__toast { left: 8px; }
  .pubs li { grid-template-columns: minmax(0, 1fr); gap: .5rem; }
  .vivace__grid { grid-template-columns: minmax(0, 1fr); }
  .foot__in { grid-template-columns: minmax(0, 1fr); }
  .foot__nav { justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { transition-duration: .01ms !important; animation: none !important; } }