:root {
  color-scheme: light;
  --bg: #ffffff;
  --surface: #f5f7fa;
  --text: #101114;
  --muted: #656a73;
  --line: #dfe3e9;
  --accent: #062f78;
  --accent-soft: rgba(6, 47, 120, .07);
  --mono: "DM Mono", monospace;
  --sans: "Manrope", sans-serif;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0c0d10;
  --surface: #13151a;
  --text: #f5f6f8;
  --muted: #9da3ad;
  --line: #2a2d34;
  --accent: #6f9fe8;
  --accent-soft: rgba(111, 159, 232, .11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; color: var(--text); background: var(--bg); font-family: var(--sans); font-size: 16px; line-height: 1.55; transition: background-color .35s ease, color .35s ease; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
.mono { font-family: var(--mono); }
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.site-header { position: absolute; top: 0; left: 0; right: 0; z-index: 5; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 1.65rem 3vw; border-bottom: 1px solid var(--line); font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; }
.header-left { display: flex; align-items: center; gap: .85rem; }
.header-email { display: inline-flex; align-items: center; gap: .5rem; padding: .55rem .8rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; transition: border-color .2s ease, background .2s ease, color .2s ease; }
.header-email:hover, .header-email:focus-visible { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.header-email svg { display: block; width: .95rem; height: .95rem; }
.brand { width: 2.4rem; height: 2.4rem; min-width: 2.4rem; min-height: 2.4rem; max-width: 2.4rem; max-height: 2.4rem; display: block; overflow: hidden; border: 1px solid var(--line); border-radius: 50%; background: #fff; transition: border-color .2s ease, transform .2s ease; }
.brand:hover, .brand:focus-visible { border-color: var(--accent); transform: scale(1.05); }
.brand img { display: block; width: 2.4rem; height: 2.4rem; max-width: 100%; max-height: 100%; border-radius: 50%; object-fit: contain; }
.site-header nav { display: flex; gap: 2.25rem; color: var(--muted); }
.site-header nav a { position: relative; padding: .4rem 0; transition: color .2s ease; }
.site-header nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: var(--accent); transition: right .2s ease; }
.site-header nav a:hover, .site-header nav a:focus-visible { color: var(--accent); }
.site-header nav a:hover::after, .site-header nav a:focus-visible::after { right: 0; }
.theme-toggle { justify-self: end; display: inline-flex; align-items: center; gap: .6rem; min-width: 5rem; padding: .55rem .7rem; border: 1px solid var(--line); border-radius: 999px; background: transparent; cursor: pointer; text-transform: uppercase; letter-spacing: .08em; transition: border-color .2s ease, background .2s ease; }
.theme-toggle:hover { border-color: var(--accent); background: var(--accent-soft); }
.theme-icon { position: relative; width: .75rem; height: .75rem; border: 1.5px solid currentColor; border-radius: 50%; }
.theme-icon::after { content: ""; position: absolute; inset: 2px 0 2px 50%; border-radius: 0 999px 999px 0; background: currentColor; }

.hero { min-height: 100svh; position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: center; gap: 4vw; padding: 10rem 6vw 5.5rem; overflow: hidden; }
.hero::before { content: ""; position: absolute; top: 0; bottom: 0; left: 66%; width: 1px; background: var(--line); }
.hero-copy { position: relative; z-index: 2; }
.eyebrow { margin: 0 0 2rem; color: var(--accent); font-family: var(--mono); font-size: .72rem; letter-spacing: .12em; text-transform: uppercase; }
.hero h1 { margin: 0; color: var(--text); font-size: clamp(5rem, 10.5vw, 10rem); font-weight: 500; line-height: .78; letter-spacing: -.09em; }
.hero h1 span { color: var(--accent); }
.hero-summary { max-width: 34rem; margin: 3rem 0 2rem; color: var(--muted); font-size: clamp(1.05rem, 1.45vw, 1.3rem); line-height: 1.55; }
.text-link { display: inline-flex; gap: .75rem; align-items: center; border-bottom: 1px solid var(--accent); padding-bottom: .35rem; color: var(--accent); font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translate(3px, 3px); }
.hero-meta { position: absolute; left: 6vw; right: 6vw; bottom: 1.65rem; display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .64rem; letter-spacing: .05em; text-transform: uppercase; }

.sound-field { position: relative; width: min(40vw, 570px); aspect-ratio: 1; justify-self: center; opacity: .98; perspective: 900px; isolation: isolate; }
.sound-field::before { content: ""; position: absolute; inset: 13%; z-index: -1; border-radius: 50%; background: radial-gradient(circle, var(--accent-soft) 0, transparent 68%); filter: blur(8px); }
.head-stage { position: absolute; inset: 20% 24% 17%; z-index: 3; display: grid; place-items: center; transform-style: preserve-3d; }
.mannequin-head { display: block; width: 50%; height: 50%; object-fit: contain; filter: drop-shadow(0 12px 18px rgba(6,47,120,.12)); animation: head-float 11s ease-in-out infinite; }
:root[data-theme="dark"] .mannequin-head { filter: brightness(2.25) saturate(.7) drop-shadow(0 12px 20px rgba(111,159,232,.16)); }
.head-axis { position: absolute; left: 50%; top: 9%; bottom: 5%; width: 1px; z-index: -1; background: linear-gradient(transparent, color-mix(in srgb, var(--accent) 35%, transparent), transparent); }
/* Tracks and motion layers share the same responsive ellipse and transform. */
.orbit-track, .orbit-motion { position: absolute; left: 50%; top: 50%; width: 88%; height: 34%; transform: translate(-50%,-50%); }
.orbit-track { border: 1.5px solid color-mix(in srgb, var(--accent) 68%, transparent); border-radius: 50%; }
.orbit-motion { z-index: 4; pointer-events: none; }
.orbit-track::before { content: ""; position: absolute; inset: -5px; border: 1px dashed color-mix(in srgb, var(--accent) 36%, transparent); border-radius: inherit; }
.orbit-track-a { transform: translate(-50%,-50%) rotate(-8deg); }
.orbit-track-b { transform: translate(-50%,-50%) rotate(58deg) scaleX(.82); opacity: .78; }
.orbit-track-c { transform: translate(-50%,-50%) rotate(-58deg) scaleX(.82); opacity: .78; }
/* A soft, blurred point source: a bright core inside a slowly breathing halo. */
.sound-object { position: absolute; left: var(--orbit-x, calc(100% - .75px)); top: var(--orbit-y, 50%); width: var(--orb-size, 46px); height: var(--orb-size, 46px); transform: translate(-50%, -50%); }
.sound-object::before, .sound-object::after { content: ""; position: absolute; border-radius: 50%; }
.sound-object::before { inset: 0; background: radial-gradient(circle, color-mix(in srgb, var(--accent) 58%, transparent) 0, color-mix(in srgb, var(--accent) 24%, transparent) 40%, transparent 72%); filter: blur(5px); animation: orb-halo 18s ease-in-out infinite; animation-delay: var(--orb-delay, 0s); }
.sound-object::after { inset: 36%; background: radial-gradient(circle at 42% 38%, color-mix(in srgb, var(--accent) 45%, #fff) 0, var(--accent) 55%, color-mix(in srgb, var(--accent) 55%, transparent) 100%); filter: blur(1.2px); animation: orb-core 18s ease-in-out infinite; animation-delay: var(--orb-delay, 0s); }
.object-b { --orb-delay: -6s; --orb-size: 42px; }
.object-c { --orb-delay: -12s; --orb-size: 39px; }
.object-d { --orb-delay: -9s; --orb-size: 34px; opacity: .85; }
.field-label { position: absolute; padding: .2rem .35rem; background: var(--bg); color: var(--accent); font-family: var(--mono); font-size: .58rem; letter-spacing: .05em; }
.label-a { left: -1.2rem; top: 49%; } .label-b { right: -1.2rem; top: 49%; } .label-c { left: 50%; top: -1rem; transform: translateX(-50%); white-space: nowrap; }

.marquee { overflow: hidden; border-top: 1px solid var(--accent); border-bottom: 1px solid var(--accent); color: var(--accent); font-family: var(--mono); font-size: .68rem; font-weight: 500; white-space: nowrap; }
.marquee div { width: max-content; padding: .75rem 0; animation: marquee 25s linear infinite; }
.marquee span { margin: 0 1.2rem; }

.section { display: grid; grid-template-columns: minmax(140px, 1fr) 4fr; gap: 4vw; padding: 9rem 6vw; border-bottom: 1px solid var(--line); }
.section-index { color: var(--accent); font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }
.about-content h2, .section-heading h2 { margin: 0; font-size: clamp(2.7rem, 5.25vw, 5.2rem); font-weight: 500; letter-spacing: -.065em; line-height: 1.02; }
.about-content h2 { max-width: 65rem; }
.about-grid { display: grid; grid-template-columns: minmax(150px, .72fr) minmax(0, 1.28fr); align-items: start; gap: 5vw; max-width: 61rem; margin: 5rem 0; color: var(--muted); font-size: 1.05rem; }
.about-portrait { display: block; width: min(100%, 220px); height: auto; max-height: 360px; margin: 0; object-fit: contain; object-position: top center; }
.about-grid p { margin: 0; }
.about-grid p:first-child { color: var(--text); }
.about-grid p:nth-of-type(2) { grid-column: 2; }
.skill-line { display: flex; flex-wrap: wrap; gap: .6rem; }
.skill-line span, .skill-line .skill-badge { border: 1px solid var(--line); border-radius: 999px; padding: .52rem .82rem; color: var(--muted); font-size: .64rem; text-transform: uppercase; }
.skill-badge { display: inline-flex; align-items: center; justify-content: center; min-height: 2.05rem; transition: border-color .2s ease, background .2s ease; }
.skill-badge:hover, .skill-badge:focus-visible { border-color: var(--accent); background: var(--accent-soft); }
.skill-badge img { display: block; width: 1.15rem; height: 1.15rem; }
.about-content { min-width: 0; }
/* Education gets the wider column: its entries carry the lab logo as well as the text. */
.about-background { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 3rem; margin-top: 3.5rem; }
.about-background h3 { margin: 0 0 1.2rem; color: var(--accent); font-size: .7rem; font-weight: 400; text-transform: uppercase; letter-spacing: .08em; }
.background-list { list-style: none; padding: 0; margin: 0; }
.background-list li { display: flex; flex-direction: column; gap: .5rem; padding: 1rem 0; border-top: 1px solid var(--line); }
.background-entry { display: flex; align-items: center; gap: .7rem; }
.background-logo { flex: none; width: 2.5rem; height: 2.5rem; padding: .15rem; border: 1px solid var(--line); border-radius: 50%; background: #fff; object-fit: contain; }
.background-logo-link { display: block; flex: none; border-radius: 50%; transition: transform .2s ease; }
.background-logo-link:hover, .background-logo-link:focus-visible { transform: scale(1.08); }
/* Preserve transparency; use a white silhouette for contrast in dark mode. */
.background-lab-logo { display: block; flex: none; width: 5.2rem; height: 1.95rem; margin-left: 1rem; padding: .45rem .6rem; border: 1px solid transparent; border-radius: .6rem; background: transparent; object-fit: contain; }
:root[data-theme="dark"] .background-lab-logo { filter: brightness(0) invert(1); }
.background-date { color: var(--muted); font-size: .65rem; text-transform: uppercase; }
.background-list strong { display: block; font-size: .95rem; font-weight: 500; }
.background-list div > span { display: block; margin-top: .3rem; color: var(--muted); font-size: .8rem; }
.section-body { min-width: 0; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 2rem; margin-bottom: 4.5rem; }
.count { color: var(--muted); font-size: .64rem; white-space: nowrap; text-transform: uppercase; }

.publication { position: relative; display: grid; grid-template-columns: 75px 1fr minmax(150px, .32fr); gap: 2rem; padding: 2rem 0; border-top: 1px solid var(--line); transition: padding .25s ease, background .25s ease; }
.publication:last-child { border-bottom: 1px solid var(--line); }
.publication:hover { padding-left: 1.1rem; padding-right: 1.1rem; background: var(--accent-soft); }
.pub-year, .pub-meta { color: var(--muted); font-family: var(--mono); font-size: .65rem; text-transform: uppercase; letter-spacing: .05em; }
.pub-title { max-width: 55rem; margin: 0; font-size: clamp(1.05rem, 1.7vw, 1.38rem); font-weight: 500; line-height: 1.42; }
.pub-title a { display: inline; text-decoration: underline; text-decoration-color: transparent; text-underline-offset: .18em; transition: color .2s ease, text-decoration-color .2s ease; }
.pub-title a:hover, .pub-title a:focus-visible { color: var(--accent); text-decoration-color: currentColor; }
.external-mark { display: inline-block; margin-left: .5rem; color: var(--accent); font-family: var(--mono); font-size: .72em; transition: transform .2s ease; }
.pub-title a:hover .external-mark { transform: translate(2px, -2px); }
.pub-authors { margin: .7rem 0 0; color: var(--muted); font-size: .8rem; }
.pub-meta { text-align: right; line-height: 1.75; }
.status { display: inline-block; margin-top: .4rem; color: var(--accent); }
.record-link { display: inline-block; margin-top: .6rem; color: var(--text); border-bottom: 1px solid var(--line); text-transform: none; transition: color .2s ease, border-color .2s ease; }
.record-link:hover, .record-link:focus-visible { color: var(--accent); border-color: var(--accent); }

.patents { background: var(--surface); }
.patent-card { display: grid; grid-template-columns: 75px 1fr; gap: 2rem; padding: 3rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.patent-copy { max-width: 62rem; }
.patent-kicker { color: var(--accent); font-size: .65rem; letter-spacing: .08em; text-transform: uppercase; }
.patent-copy h3 { max-width: 54rem; margin: 1rem 0 .8rem; font-size: clamp(1.8rem, 3.4vw, 3.4rem); font-weight: 500; letter-spacing: -.055em; line-height: 1.08; }
.patent-copy dl { margin: 3rem 0 0; border-top: 1px solid var(--line); }
.patent-copy dl div { display: grid; grid-template-columns: 6rem 1fr; gap: 1rem; padding: .95rem 0; border-bottom: 1px solid var(--line); }
.patent-copy dt { color: var(--muted); font-family: var(--mono); font-size: .66rem; text-transform: uppercase; }
.patent-copy dd { margin: 0; font-size: .84rem; }

.project-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); grid-auto-rows: 1fr; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.project-card { min-height: 18rem; min-width: 0; display: flex; flex-direction: column; justify-content: space-between; padding: 1.5rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg); transition: background .25s ease, color .25s ease; }
.project-card:hover { background: var(--accent); color: white; }
.project-card.featured { background: var(--surface); }
.project-card.featured:hover { background: var(--accent); }
.project-number { color: var(--accent); font-family: var(--mono); font-size: .65rem; }
.project-card:hover .project-number, .project-card:hover p, .project-card:hover .tag { color: rgba(255,255,255,.76); }
.project-card h3 { max-width: 39rem; margin: 1.2rem 0 .75rem; font-size: clamp(1.4rem, 2vw, 2rem); font-weight: 500; letter-spacing: -.055em; line-height: 1.02; }
.project-card p { max-width: 40rem; margin: 0; font-size: .92rem; color: var(--muted); transition: color .25s ease; }
.tag-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.25rem; }
.tag { font-family: var(--mono); color: var(--muted); font-size: .61rem; text-transform: uppercase; transition: color .25s ease; }
.tag + .tag::before { content: "/"; margin-right: .5rem; opacity: .45; }

.music-list { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line); }
.music-track { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; align-items: center; gap: 2rem; padding: 1.8rem 0; border-top: 1px solid var(--line); }
.music-track h3 { margin: 0; font-size: clamp(1.2rem, 2.2vw, 2rem); font-weight: 500; letter-spacing: -.03em; overflow-wrap: anywhere; }
.music-track h3[lang="ko"] { word-break: keep-all; }
.music-track p { margin: .4rem 0 0; color: var(--muted); font-size: .9rem; }
.music-credit { color: var(--accent); font-size: .65rem; text-transform: uppercase; }
.music-links { display: flex; gap: .55rem; }
.music-link { display: inline-flex; align-items: center; justify-content: center; width: 2.5rem; height: 2.5rem; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); transition: color .2s ease, border-color .2s ease, background .2s ease; }
.music-link svg { display: block; width: 1.15rem; height: 1.15rem; fill: currentColor; }
.music-link.is-apple:hover, .music-link.is-apple:focus-visible { color: #fa243c; border-color: #fa243c; background: rgba(250, 36, 60, .08); }
.music-link.is-spotify:hover, .music-link.is-spotify:focus-visible { color: #1db954; border-color: #1db954; background: rgba(29, 185, 84, .1); }
.performance-heading { margin: 4rem 0 1.5rem; }
.performance-heading h3 { margin: 0; font-size: clamp(1.8rem, 3vw, 3rem); font-weight: 500; letter-spacing: -.04em; }
.performance-heading p { margin: .5rem 0 0; color: var(--muted); font-size: .85rem; }
/* A justified row: every frame shares one height, and --ratio gives each its
   natural width, so the photos line up without being cropped or distorted. */
.performance-gallery { display: flex; gap: 1rem; }
.performance-gallery figure { flex: var(--ratio, 1) 1 0; margin: 0; height: clamp(11rem, 16vw, 16rem); background: var(--surface); border: 1px solid var(--line); overflow: hidden; }
.performance-gallery img { display: block; width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); transition: filter .3s ease, transform .4s ease; }
.performance-gallery figure:hover img { filter: grayscale(1) contrast(1.05) brightness(1.08); transform: scale(1.03); }

.contact { min-height: 72vh; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; padding: 10rem 6vw 5rem; background: var(--accent); color: white; }
.contact .eyebrow { color: #b8d0f3; }
.contact h2 { margin: 0; font-size: clamp(4rem, 9vw, 8.5rem); font-weight: 500; line-height: .88; letter-spacing: -.075em; }
.contact-details { max-width: 100%; margin: 3rem 0; }
.send-email:hover { background: rgba(255,255,255,.12); }
.send-email:focus-visible { outline: 2px solid white; outline-offset: 4px; }
.contact-mark { display: block; flex: none; opacity: .75; }
.contact-email-row { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; }
.contact-address { font-size: clamp(.9rem, 2vw, 1.2rem); overflow-wrap: anywhere; }
.send-email { display: inline-flex; align-items: center; gap: .55rem; min-height: 44px; padding: .65rem 1rem; border: 1px solid rgba(255,255,255,.5); border-radius: 999px; font-size: .8rem; }
.send-email-icon { display: block; width: 1rem; height: 1rem; fill: currentColor; }
.back-top { border-bottom: 1px solid rgba(255,255,255,.5); padding-bottom: .3rem; font-size: .68rem; text-transform: uppercase; }
.site-footer { display: flex; justify-content: space-between; padding: 1.6rem 6vw; color: var(--muted); font-size: .64rem; text-transform: uppercase; }

@keyframes head-float { 50% { transform: translateY(-8px) rotateY(-2deg); } }
@keyframes orb-halo { 0%, 100% { transform: scale(.8); opacity: .5; } 50% { transform: scale(1.18); opacity: 1; } }
@keyframes orb-core { 0%, 100% { transform: scale(.88); opacity: .78; } 50% { transform: scale(1.08); opacity: 1; } }
@keyframes marquee { to { transform: translateX(-50%); } }

@media (max-width: 800px) {
  .site-header { grid-template-columns: auto 1fr auto; padding: 1.1rem; }
  .site-header nav { justify-content: center; gap: .8rem; font-size: .59rem; }
  .theme-toggle { min-width: 2.2rem; padding: .55rem; }
  .theme-label { display: none; }
  .header-left { gap: .55rem; }
  .header-email { padding: .55rem; }
  .header-email-label { display: none; }
  .hero { min-height: 830px; grid-template-columns: 1fr; align-content: start; padding: 8.5rem 1.1rem 5.5rem; }
  .hero::before { display: none; }
  .hero h1 { font-size: clamp(4.6rem, 23vw, 7rem); }
  .hero-summary { max-width: 92%; margin-top: 2.3rem; }
  .sound-field { position: absolute; width: min(82vw, 390px); right: -18vw; bottom: 4.2rem; opacity: .62; }
  .head-stage { inset: 21% 25% 18%; }
  .field-label { display: none; }
  .hero-meta { left: 1.1rem; right: 1.1rem; flex-direction: column; gap: .25rem; }
  .hero-meta span:nth-child(2) { display: none; }
  .section { grid-template-columns: 1fr; gap: 2.6rem; padding: 6rem 1.1rem; }
  .about-grid { grid-template-columns: 1fr; gap: 1.5rem; margin: 3rem 0; }
  .about-portrait { width: min(100%, 110px); max-height: none; }
  .about-grid p:nth-of-type(2) { grid-column: auto; }
  .about-background { grid-template-columns: 1fr; gap: 2rem; }
  .section-heading { align-items: flex-start; flex-direction: column; margin-bottom: 2.8rem; }
  .publication { grid-template-columns: 52px 1fr; gap: 1rem; }
  .pub-meta { grid-column: 2; text-align: left; }
  .patent-card { grid-template-columns: 1fr; gap: 1.2rem; padding: 2rem 0; }
  .patent-copy dl div { grid-template-columns: 5.5rem 1fr; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card { min-height: 17rem; padding: 1.25rem; }
  /* Keep each track to two compact rows: text on the left, links centred on the right. */
  .music-track { grid-template-columns: minmax(0, 1fr) auto; gap: .25rem .9rem; padding: 1.1rem 0; }
  .music-track > div:not(.music-links) { grid-column: 1; grid-row: 1; }
  .music-track h3 { font-size: 1.05rem; }
  .music-track p { margin-top: .15rem; font-size: .76rem; }
  .music-credit { grid-column: 1; grid-row: 2; font-size: .58rem; }
  .music-links { grid-column: 2; grid-row: 1 / span 2; align-self: center; gap: .4rem; }
  .music-link { width: 2.1rem; height: 2.1rem; }
  .music-link svg { width: 1rem; height: 1rem; }
  .performance-gallery { flex-wrap: wrap; gap: .6rem; }
  .performance-gallery figure { flex: 1 1 calc(50% - .3rem); height: 9rem; }
  .contact { min-height: 68vh; padding: 7rem 1.1rem 3rem; }
  .contact h2 { font-size: clamp(3.6rem, 18vw, 6rem); }
  .site-footer { padding: 1.4rem 1.1rem; flex-direction: column; gap: .35rem; }
}

/* Narrow phones: tighten the header so the nav and theme toggle still fit. */
@media (max-width: 480px) {
  .site-header { padding: 1.1rem .8rem; }
  .site-header nav { gap: .5rem; font-size: .54rem; letter-spacing: .04em; }
  .header-left { gap: .4rem; }
  .header-email { padding: .5rem; }
  .header-email svg { width: .85rem; height: .85rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}