:root {
  --ink: #171714;
  --ink-2: #22221e;
  --paper: #eeeae1;
  --paper-deep: #ddd6c9;
  --ivory: #f5f1e8;
  --gold: #a58b5f;
  --red: #8d3c2d;
  --green: #617063;
  --serif: "Songti SC", "STSong", "Noto Serif SC", "Source Han Serif SC", serif;
  --sans: "Helvetica Neue", "PingFang SC", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); }
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
button { color: inherit; font: inherit; }
main { overflow: hidden; }

.section { padding: clamp(96px, 10vw, 168px) 6vw; }
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 50; height: 78px; padding: 0 4.8vw;
  display: flex; align-items: center; justify-content: space-between;
  color: var(--ivory); border-bottom: 1px solid rgba(255,255,255,.09); transition: .3s ease;
}
.site-header--scrolled { height: 64px; background: rgba(23,23,20,.92); backdrop-filter: blur(16px); }
.brand { display: flex; align-items: center; gap: 13px; font-family: var(--serif); font-size: 15px; letter-spacing: .18em; }
.brand span { display: flex; align-items: center; gap: 9px; white-space: nowrap; }
.brand b { width: 26px; height: 26px; display: grid; place-items: center; border: 1px solid rgba(245,241,232,.45); font-size: 11px; font-weight: 400; }
.brand i { opacity: .4; font-family: Georgia, serif; font-size: 11px; }
.nav { display: flex; gap: clamp(18px, 2.3vw, 38px); }
.nav a { color: rgba(245,241,232,.62); font-size: 11px; letter-spacing: .12em; transition: color .2s; }
.nav a:hover { color: var(--ivory); }
.menu-button { display: none; background: none; border: 0; }

.hero { position: relative; min-height: 100svh; display: flex; align-items: flex-end; background: var(--ink); color: var(--ivory); }
.hero-image { position: absolute; inset: 0 0 0 35%; background: url('../images/kong-xiangdong-piano-portrait.webp') 58% center / cover no-repeat; filter: saturate(.48) sepia(.06) contrast(1.05); opacity: .8; }
.hero-wash { position: absolute; inset: 0; background: linear-gradient(90deg,#171714 0 28%,rgba(23,23,20,.94) 40%,rgba(23,23,20,.12) 76%,rgba(23,23,20,.56)),linear-gradient(180deg,rgba(23,23,20,.16),transparent 46%,rgba(23,23,20,.78)); }
.hero-content { position: relative; z-index: 2; width: min(820px,58vw); margin: 0 0 14vh 10.5vw; }
.eyebrow { margin: 0 0 30px; color: rgba(245,241,232,.42); font-family: Georgia,serif; font-size: 10px; letter-spacing: .25em; }
.hero h1 { margin: 0; font-family: var(--serif); font-size: clamp(48px,5.6vw,88px); font-weight: 400; line-height: 1.47; letter-spacing: .1em; }
.hero-content > p:not(.eyebrow) { max-width: 650px; margin: 30px 0 0; color: rgba(245,241,232,.64); font-family: var(--serif); font-size: clamp(14px,1.15vw,18px); line-height: 2.15; letter-spacing: .07em; }
.quiet-link { display: inline-flex; gap: 35px; margin-top: 36px; padding-bottom: 9px; border-bottom: 1px solid rgba(165,139,95,.65); font-size: 12px; letter-spacing: .14em; }
.hero-signature { position: absolute; z-index: 2; right: 4.8vw; bottom: 6vh; display: flex; align-items: baseline; gap: 32px; }
.hero-signature span { font-family: var(--serif); font-size: 18px; letter-spacing: .28em; }
.hero-signature i { color: rgba(245,241,232,.52); font-family: Georgia,serif; font-size: 11px; font-style: normal; letter-spacing: .12em; }
.hero-vertical { position: absolute; z-index: 2; left: 4vw; top: 15vh; writing-mode: vertical-rl; color: rgba(245,241,232,.28); font-family: var(--serif); font-size: 11px; letter-spacing: .42em; }

.section-label { display: grid; grid-template-columns: 42px auto 1fr; align-items: center; gap: 18px; color: #777167; font-size: 10px; letter-spacing: .18em; }
.section-label::after { content: ""; height: 1px; background: rgba(23,23,20,.15); }
.section-label span { font-family: Georgia,serif; }
.section-label p { margin: 0; font-family: var(--serif); font-size: 12px; letter-spacing: .25em; }
.section-label i { position: absolute; margin-left: 170px; font-family: Georgia,serif; font-style: normal; opacity: .55; }
.section-label--light { color: rgba(245,241,232,.45); }
.section-label--light::after { background: rgba(245,241,232,.13); }

.voice { background: var(--paper); }
.voice-grid { display: grid; grid-template-columns: 1.05fr .82fr; gap: 12vw; margin-top: 96px; }
.voice-heading > p { color: #8b8579; font-family: var(--serif); font-size: 12px; letter-spacing: .24em; }
.voice-heading h2 { margin: 32px 0 0; font-family: var(--serif); font-size: clamp(38px,4.1vw,66px); font-weight: 400; line-height: 1.62; letter-spacing: .07em; }
.voice-copy { padding-top: 62px; }
.voice-copy > p { margin: 0 0 28px; color: #5f5b53; font-family: var(--serif); font-size: 15px; line-height: 2.2; letter-spacing: .04em; }
.voice-copy blockquote { margin: 54px 0 0; padding: 28px 0 0 12%; border-top: 1px solid rgba(23,23,20,.17); font-family: var(--serif); font-size: 19px; line-height: 1.8; letter-spacing: .11em; }

.works { background: var(--ink); color: var(--ivory); }
.works-intro { display: grid; grid-template-columns: 1.2fr .6fr; gap: 13vw; align-items: end; margin: 80px 0; }
.works-intro h2 { margin: 0; font-family: var(--serif); font-size: clamp(38px,4.5vw,68px); font-weight: 400; line-height: 1.55; letter-spacing: .09em; }
.works-intro p { margin: 0; color: rgba(245,241,232,.53); font-family: var(--serif); font-size: 14px; line-height: 2.05; }
.works-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: rgba(245,241,232,.13); border: 1px solid rgba(245,241,232,.13); }
.work-card { display: grid; grid-template-columns: .95fr 1.05fr; min-height: 440px; background: #1d1d19; overflow: hidden; }
.work-card--four { grid-column: 1 / -1; grid-template-columns: 1.15fr .85fr; min-height: 520px; }
.work-card img { height: 100%; object-fit: cover; filter: saturate(.72); transition: transform .6s ease, filter .4s; }
.work-card--four img { object-position: center 56%; }
.work-card > div { padding: clamp(30px,4vw,62px); display: flex; flex-direction: column; justify-content: center; }
.work-card span { color: rgba(245,241,232,.38); font-family: Georgia,serif; font-size: 9px; letter-spacing: .22em; }
.work-card h3 { margin: 24px 0 22px; font-family: var(--serif); font-size: clamp(30px,3vw,48px); font-weight: 400; letter-spacing: .18em; }
.work-card p { margin: 0; color: rgba(245,241,232,.56); font-family: var(--serif); font-size: 13px; line-height: 2; }
.work-card b { margin-top: 38px; color: var(--gold); font-size: 11px; font-weight: 400; letter-spacing: .12em; }
.work-card:hover img { transform: scale(1.025); filter: saturate(.9); }

.four-notes { background: var(--paper); }
.four-heading { display: grid; grid-template-columns: 1.25fr .55fr; gap: 12vw; align-items: end; margin: 88px 0 76px; }
.four-heading > div > p { color: #827c71; font-family: var(--serif); font-size: 11px; letter-spacing: .2em; }
.four-heading h2 { margin: 30px 0 0; font-family: var(--serif); font-size: clamp(36px,4vw,62px); font-weight: 400; line-height: 1.62; letter-spacing: .065em; }
.four-heading > p { margin: 0; color: #625e56; font-family: var(--serif); font-size: 14px; line-height: 2.1; }
.note-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid rgba(23,23,20,.14); }
.note-card { min-height: 500px; padding: 28px 24px; display: flex; flex-direction: column; border-right: 1px solid rgba(23,23,20,.13); transition: .25s; }
.note-card:last-child { border-right: 0; }
.note-card:hover,.note-card--active { background: rgba(255,255,255,.38); transform: translateY(-4px); }
.note-card header { display: flex; justify-content: space-between; color: #898378; font-size: 9px; }
.note-card header em { font-family: var(--serif); font-style: normal; letter-spacing: .2em; }
.note-card button { margin: 38px 0 24px; padding: 0; display: flex; align-items: end; justify-content: space-between; background: none; border: 0; cursor: pointer; text-align: left; }
.note-card button strong { font-family: Georgia,serif; font-size: 56px; font-weight: 400; }
.note-card--lucent button strong { color: #9b9e98; }.note-card--composed button strong { color: var(--green); }.note-card--harmony button strong { color: #744d48; }.note-card--beyond button strong { color: #9d7741; }
.note-card button i { padding-bottom: 9px; color: #8b857a; font-size: 8px; font-style: normal; letter-spacing: .12em; }
.note-card h3 { margin: 0; font-family: var(--serif); font-size: 23px; font-weight: 400; letter-spacing: .18em; }
.note-card h3 span { display: block; margin-top: 10px; color: #8b857a; font-family: Georgia,serif; font-size: 9px; letter-spacing: .18em; }
.note-card > p { margin: 28px 0 18px; font-family: var(--serif); font-size: 13px; line-height: 1.9; }
.note-card small { color: #79746a; font-size: 10px; line-height: 1.8; }
.note-card > a { margin-top: auto; padding-top: 20px; border-top: 1px solid rgba(23,23,20,.12); color: #555149; font-size: 10px; letter-spacing: .08em; }

.projects { background: var(--paper-deep); }
.project { min-height: 780px; display: grid; grid-template-columns: 1.12fr .88fr; }
.project--trio { grid-template-columns: .88fr 1.12fr; background: var(--ink); color: var(--ivory); }
.project-media { min-width: 0; display: grid; grid-template-columns: 1.45fr .55fr; background: #c9c0b3; }
.project--trio .project-media { grid-template-columns: .85fr 1.15fr; background: #eeeae1; }
.project-media img { height: 100%; object-fit: cover; }
.project-media img:nth-child(2) { border-left: 1px solid rgba(23,23,20,.18); }
.project--tea .project-media img:nth-child(2) { object-position: 42% center; }
.project-copy { padding: clamp(70px,8vw,130px) 6vw; display: flex; flex-direction: column; justify-content: center; }
.project-index { display: flex; align-items: center; gap: 20px; color: #817a70; font-size: 10px; letter-spacing: .18em; }
.project-index i { font-family: Georgia,serif; font-style: normal; }
.project-partners { margin: 64px 0 0; color: #746e64; font-family: var(--serif); font-size: 11px; letter-spacing: .18em; }
.project--trio .project-partners,.project--trio .project-index { color: rgba(245,241,232,.4); }
.project-copy h2 { margin: 26px 0 20px; font-family: var(--serif); font-size: clamp(45px,5vw,76px); font-weight: 400; letter-spacing: .17em; }
.project-copy blockquote { margin: 0 0 38px; color: #5e5951; font-family: var(--serif); font-size: 18px; letter-spacing: .1em; }
.project--trio blockquote { color: rgba(245,241,232,.68); }
.project-copy > p:not(.project-partners) { margin: 0 0 20px; color: #625d55; font-family: var(--serif); font-size: 14px; line-height: 2.1; }
.project--trio .project-copy > p:not(.project-partners) { color: rgba(245,241,232,.55); }
.project-copy dl { margin: 35px 0; border-top: 1px solid rgba(23,23,20,.14); }
.project-copy dl div { display: grid; grid-template-columns: 50px 1fr; padding: 14px 0; border-bottom: 1px solid rgba(23,23,20,.12); }
.project-copy dt { font-family: var(--serif); }.project-copy dd { margin: 0; color: #706a61; font-size: 11px; }
.button-link { align-self: flex-start; margin-top: 12px; padding: 14px 0 9px; border-bottom: 1px solid rgba(23,23,20,.45); font-size: 11px; letter-spacing: .12em; }
.button-link--light { margin-top: 26px; border-color: rgba(245,241,232,.4); color: var(--gold); }

.collection { display: grid; grid-template-columns: 1.05fr .95fr; gap: 7vw; background: var(--paper); }
.collection-visual { position: relative; min-height: 760px; background: var(--ink); }
.collection-visual img { height: 100%; object-fit: cover; object-position: center; }
.collection-visual > div { position: absolute; inset: auto 0 0; padding: 22px 28px; display: flex; justify-content: space-between; background: rgba(23,23,20,.82); color: rgba(245,241,232,.65); }
.collection-visual span { font-family: Georgia,serif; font-size: 8px; letter-spacing: .18em; }.collection-visual p { margin: 0; font-family: var(--serif); font-size: 10px; letter-spacing: .12em; }
.collection-copy { align-self: center; }
.collection-copy h2 { margin: 70px 0 28px; font-family: var(--serif); font-size: clamp(40px,4.2vw,66px); font-weight: 400; line-height: 1.55; letter-spacing: .08em; }
.collection-intro { color: #625d55; font-family: var(--serif); font-size: 14px; line-height: 2; }
.product-list { margin-top: 45px; border-top: 1px solid rgba(23,23,20,.17); }
.product-list > div { min-height: 66px; padding: 12px 0; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid rgba(23,23,20,.13); }
.product-list span { display: flex; flex-direction: column; gap: 6px; }.product-list strong { font-family: var(--serif); font-size: 13px; font-weight: 400; letter-spacing: .08em; }.product-list small { color: #817b70; font-size: 9px; }.product-list b { font-family: Georgia,serif; font-size: 13px; font-weight: 400; }
.product-list .featured { margin: 0 -18px; padding: 15px 18px; background: var(--ink); color: var(--ivory); }.product-list .featured small { color: rgba(245,241,232,.5); }
.collection-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 28px; }.collection-actions a { padding: 15px; border: 1px solid rgba(23,23,20,.3); text-align: center; font-size: 10px; letter-spacing: .08em; }.collection-actions a:last-child { background: var(--ink); color: var(--ivory); }

.closing { background: #20211d; color: var(--ivory); text-align: center; }
.tone-mark { width: 90px; height: 50px; margin: 0 auto 48px; display: flex; align-items: center; justify-content: center; gap: 12px; border-bottom: 1px solid rgba(245,241,232,.25); }
.tone-mark i { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }.tone-mark i:nth-child(2) { transform: translateY(-13px); }.tone-mark i:nth-child(3) { transform: translateY(5px); }.tone-mark i:nth-child(4) { transform: translateY(-7px); }
.closing > p:first-of-type { color: rgba(245,241,232,.4); font-family: var(--serif); font-size: 11px; letter-spacing: .22em; }
.closing h2 { margin: 34px 0; font-family: var(--serif); font-size: clamp(40px,5vw,74px); font-weight: 400; line-height: 1.6; letter-spacing: .1em; }
.closing > p:last-of-type { max-width: 720px; margin: 0 auto; color: rgba(245,241,232,.55); font-family: var(--serif); font-size: 14px; line-height: 2.1; }
.closing > a { display: inline-block; margin-top: 45px; padding-bottom: 9px; border-bottom: 1px solid rgba(165,139,95,.65); color: var(--gold); font-size: 11px; letter-spacing: .12em; }

footer { padding: 70px 6vw 34px; background: #12120f; color: rgba(245,241,232,.6); }
.footer-brand { display: flex; align-items: center; gap: 20px; font-family: var(--serif); font-size: 22px; letter-spacing: .2em; }.footer-brand i { opacity: .35; font-size: 11px; }
.footer-links { display: flex; gap: 36px; margin: 50px 0; font-size: 10px; letter-spacing: .1em; }
.footer-meta { padding-top: 22px; display: flex; justify-content: space-between; border-top: 1px solid rgba(245,241,232,.1); color: rgba(245,241,232,.32); font-size: 9px; }

@media (max-width: 980px) {
  .nav { position: fixed; inset: 64px 0 auto; padding: 28px 6vw; display: none; flex-direction: column; background: rgba(23,23,20,.98); }
  .nav--open { display: flex; }.menu-button { width: 34px; height: 34px; display: flex; flex-direction: column; justify-content: center; gap: 7px; }.menu-button span { width: 24px; height: 1px; background: var(--ivory); }
  .hero-image { left: 22%; }.hero-content { width: 78vw; margin-left: 7vw; }.hero h1 { font-size: clamp(42px,7vw,70px); }
  .voice-grid,.works-intro,.four-heading { grid-template-columns: 1fr; gap: 45px; }.voice-copy { padding-top: 0; }
  .work-card,.work-card--four { grid-template-columns: 1fr; }.work-card img { height: 330px; }.work-card--four img { height: 430px; }
  .note-grid { grid-template-columns: repeat(2,1fr); }.note-card:nth-child(2) { border-right: 0; }.note-card:nth-child(-n+2) { border-bottom: 1px solid rgba(23,23,20,.13); }
  .project,.project--trio { grid-template-columns: 1fr; }.project--trio .project-copy { order: 2; }.project--trio .project-media { order: 1; }.project-media { min-height: 620px; }
  .collection { grid-template-columns: 1fr; }.collection-visual { min-height: 620px; }
}

@media (max-width: 640px) {
  .section { padding: 82px 22px; }.site-header { height: 64px; padding: 0 18px; }.brand { gap: 7px; font-size: 11px; letter-spacing: .1em; }.brand b { width: 22px; height: 22px; font-size: 9px; }.brand span { gap: 5px; }
  .hero { min-height: 760px; }.hero-image { inset: 0; background-position: 61% center; opacity: .62; }.hero-wash { background: linear-gradient(180deg,rgba(23,23,20,.28),rgba(23,23,20,.35) 35%,#171714 84%); }.hero-content { width: auto; margin: 0 24px 105px; }.eyebrow { font-size: 8px; line-height: 1.6; }.hero h1 { font-size: 38px; line-height: 1.52; letter-spacing: .06em; }.hero-content > p:not(.eyebrow) { font-size: 13px; line-height: 1.95; }.hero-signature { right: 22px; bottom: 28px; }.hero-signature span { font-size: 14px; }.hero-signature i,.hero-vertical { display: none; }
  .section-label { grid-template-columns: 28px auto 1fr; gap: 10px; }.section-label i { display: none; }
  .voice-grid { margin-top: 58px; }.voice-heading h2,.works-intro h2,.four-heading h2 { font-size: 32px; line-height: 1.62; }.voice-copy > p { font-size: 14px; line-height: 2; }.voice-copy blockquote { padding-left: 0; font-size: 16px; }
  .works-intro { margin: 58px 0; }.works-grid { grid-template-columns: 1fr; }.work-card--four { grid-column: auto; }.work-card,.work-card--four { min-height: auto; }.work-card img,.work-card--four img { height: 300px; }.work-card > div { padding: 32px 24px 38px; }.work-card h3 { font-size: 32px; }.work-card p { font-size: 12px; }
  .four-heading { margin: 60px 0 48px; }.note-grid { grid-template-columns: 1fr; }.note-card { min-height: 430px; border-right: 0; border-bottom: 1px solid rgba(23,23,20,.13); }.note-card:last-child { border-bottom: 0; }
  .project-media { min-height: 460px; grid-template-columns: 1fr; }.project-media img:nth-child(2) { display: none; }.project-copy { padding: 70px 24px 80px; }.project-copy h2 { font-size: 45px; }.project-copy blockquote { font-size: 16px; line-height: 1.8; }
  .collection-visual { min-height: 480px; }.collection-visual > div { display: block; padding: 16px; }.collection-visual p { margin-top: 6px; }.collection-copy h2 { margin-top: 55px; font-size: 35px; }.collection-actions { grid-template-columns: 1fr; }
  .closing h2 { font-size: 34px; }.footer-brand { font-size: 16px; }.footer-links { flex-wrap: wrap; gap: 20px; }.footer-meta { gap: 20px; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; } }