:root {
  --black: #0c0c0c;
  --ink: #171717;
  --white: #f5f5f3;
  --gray: #dededb;
  --mid: #888884;
  --line: rgba(20,20,20,.18);
  --dark-line: rgba(255,255,255,.2);
  --accent: #c9c5bd;
  --serif: "Noto Serif SC", Georgia, serif;
  --sans: "Inter", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: var(--sans); line-height: 1.6; }
img { width: 100%; height: 100%; display: block; object-fit: cover; }
a { color: inherit; text-decoration: none; }
figure { margin: 0; }

.site-header { position: fixed; z-index: 20; top: 0; left: 0; width: 100%; height: 62px; padding: 0 3.5vw; display: flex; align-items: center; justify-content: space-between; color: #fff; mix-blend-mode: difference; }
.brand { font-size: 16px; font-weight: 700; letter-spacing: -.05em; }
.nav { display: flex; gap: 30px; font-size: 9px; letter-spacing: .16em; }
.nav a, .menu-link { opacity: .8; transition: opacity .3s; }
.nav a:hover, .menu-link:hover { opacity: 1; }
.menu-link { font-size: 9px; letter-spacing: .18em; }

.hero { position: relative; height: 100vh; min-height: 700px; overflow: hidden; background: #111; color: #fff; }
.hero-image-wrap { position: absolute; inset: 0; }
.hero-image { object-position: center center; filter: saturate(.5) contrast(1.05); transform: scale(1.04); animation: heroZoom 12s ease-out forwards; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.38), transparent 38%, rgba(0,0,0,.58)); }
.hero-content { position: absolute; left: 8vw; bottom: 13vh; max-width: 760px; }
.eyebrow, .kicker { margin: 0 0 18px; font-size: 9px; letter-spacing: .22em; text-transform: uppercase; font-weight: 500; }
.hero h1 { margin: 0; font-size: clamp(54px, 9vw, 145px); line-height: .92; letter-spacing: -.07em; font-weight: 600; }
.hero-en { margin: 18px 0 0; font-size: 12px; letter-spacing: .28em; }
.hero-intro { max-width: 420px; margin: 28px 0 0; font-size: 14px; line-height: 2; color: rgba(255,255,255,.78); }
.hero-index, .scroll-note { position: absolute; bottom: 28px; font-size: 9px; letter-spacing: .17em; }
.hero-index { right: 3.5vw; }
.scroll-note { left: 3.5vw; }
.scroll-note span { margin-left: 10px; font-size: 14px; }

.section-light, .section-gray, .section-dark { position: relative; overflow: hidden; }
.section-light { background: var(--white); color: var(--ink); }
.section-gray { background: #d8d8d5; color: var(--ink); }
.section-dark { background: var(--black); color: var(--white); }
.section-number { position: absolute; top: 38px; left: 3.5vw; font-size: 10px; letter-spacing: .18em; opacity: .55; }

.intro { min-height: 800px; padding: 190px 8vw 140px; display: grid; grid-template-columns: 1.1fr .9fr; gap: 10vw; align-items: center; }
.intro-copy { max-width: 700px; }
.intro h2, .architecture h2, .details h2, .materials h2, .performance h2, .gallery h2 { margin: 0; font-size: clamp(45px, 6.2vw, 92px); line-height: 1.03; letter-spacing: -.065em; font-weight: 500; }
em { font-family: var(--serif); font-style: normal; font-weight: 500; }
.lead { max-width: 560px; margin: 40px 0 0; font-size: 17px; line-height: 2; color: #555; }
.intro-stat { border-top: 1px solid var(--line); }
.intro-stat div { padding: 25px 0; border-bottom: 1px solid var(--line); display: flex; align-items: baseline; justify-content: space-between; gap: 20px; }
.intro-stat strong { font-size: 38px; font-weight: 400; letter-spacing: -.05em; }
.intro-stat span { font-size: 10px; letter-spacing: .12em; color: #666; }

.architecture { padding: 160px 8vw 140px; }
.architecture-head { display: grid; grid-template-columns: 1fr 3fr; gap: 4vw; margin-bottom: 110px; }
.architecture h2 span { font-family: var(--serif); font-weight: 400; }
.feature-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 8vw; align-items: end; }
.image-card { overflow: hidden; }
.image-card img { transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.image-card:hover img { transform: scale(1.035); }
.image-large { height: 760px; }
figcaption { margin-top: 14px; display: flex; justify-content: space-between; font-size: 8px; letter-spacing: .15em; text-transform: uppercase; opacity: .62; }
.feature-text { padding-bottom: 30px; }
.big-index { font-size: 12px; letter-spacing: .2em; margin: 0 0 80px; opacity: .5; }
.feature-text h3 { margin: 0 0 22px; font-size: 32px; font-weight: 400; letter-spacing: -.04em; }
.feature-text p:not(.big-index):not(.small-en) { max-width: 380px; color: #aaa; font-size: 14px; line-height: 2; }
.small-en { margin-top: 45px; font-size: 8px; letter-spacing: .18em; color: #777; }
.split-gallery { margin-top: 130px; display: grid; grid-template-columns: 1fr 1fr; gap: 3vw; }
.split-gallery .image-card:first-child { margin-top: 100px; }
.split-gallery .image-card { height: 580px; }
.quote-block { max-width: 800px; margin: 190px auto 50px; text-align: center; }
.quote-mark { font-family: Georgia, serif; font-size: 90px; line-height: .4; opacity: .2; }
.quote-block p { font-family: var(--serif); font-size: clamp(28px, 4vw, 55px); line-height: 1.45; margin: 30px 0; }
.quote-block small { font-size: 8px; letter-spacing: .2em; color: #777; }

.details { padding: 160px 8vw; display: grid; grid-template-columns: 1.05fr .95fr; gap: 10vw; align-items: center; }
.detail-image { height: 760px; }
.detail-copy { max-width: 560px; }
.detail-copy h2 { margin-bottom: 35px; }
.detail-copy > p:not(.kicker) { font-size: 15px; line-height: 2.1; color: #555; }
.line-list { margin-top: 65px; border-top: 1px solid var(--line); }
.line-list div { padding: 17px 0; border-bottom: 1px solid var(--line); font-size: 12px; display: flex; gap: 30px; }
.line-list span { color: #999; font-size: 9px; letter-spacing: .12em; }

.designer { padding: 180px 8vw; min-height: 950px; }
.designer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9vw; align-items: center; }
.designer-copy h2 { font-size: clamp(60px, 8vw, 120px); line-height: .94; letter-spacing: -.075em; margin: 0; font-weight: 500; }
.designer-copy h2 em { font-size: .53em; letter-spacing: -.04em; }
.designer-copy > p:not(.kicker) { max-width: 520px; color: #444; font-size: 14px; line-height: 2; }
.designer-copy .lead { margin-top: 45px; }
.designer-meta { margin-top: 70px; padding-top: 20px; border-top: 1px solid rgba(0,0,0,.25); display: flex; flex-direction: column; gap: 7px; }
.designer-meta span { font-size: 8px; letter-spacing: .2em; }
.designer-meta strong { font-size: 11px; font-weight: 500; letter-spacing: .08em; }
.designer-visual { position: relative; height: 720px; }
.designer-visual img { filter: grayscale(1) contrast(1.05); }
.vertical-label { position: absolute; right: -34px; top: 30px; writing-mode: vertical-rl; font-size: 8px; letter-spacing: .18em; color: #777; }

.materials { padding: 150px 8vw 190px; }
.materials-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 100px; }
.materials-head h2 { font-size: clamp(48px, 6vw, 90px); }
.materials-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 3vw; align-items: start; }
.tall-photo { height: 650px; }
.tall-photo.offset { margin-top: 140px; }
.tall-photo:nth-child(3) { margin-top: 60px; }
.tall-photo img { filter: grayscale(.9); }

.performance { padding: 170px 8vw 150px; }
.performance-intro { max-width: 850px; margin: 0 auto 120px; text-align: center; }
.performance-intro > p:not(.kicker) { max-width: 620px; margin: 40px auto 0; color: #aaa; font-size: 15px; line-height: 2; }
.program-list { border-top: 1px solid var(--dark-line); }
.program { min-height: 145px; padding: 25px 0; border-bottom: 1px solid var(--dark-line); display: grid; grid-template-columns: .12fr 1fr 1fr; gap: 3vw; align-items: center; transition: padding .4s, background .4s; }
.program:hover { padding-left: 20px; background: rgba(255,255,255,.035); }
.program > span { font-size: 9px; letter-spacing: .18em; color: #777; }
.program h3 { margin: 0; font-size: 38px; font-weight: 400; line-height: 1; letter-spacing: -.05em; }
.program h3 small { display: block; margin-top: 8px; font-size: 8px; letter-spacing: .2em; color: #777; }
.program p { max-width: 380px; margin: 0; color: #999; font-size: 12px; line-height: 1.9; }
.stage-photo { margin-top: 130px; height: 700px; position: relative; }
.stage-photo img { filter: saturate(.7) contrast(1.05); }
.stage-photo figcaption { position: absolute; left: 20px; bottom: 20px; right: 20px; color: white; opacity: .9; }

.gallery { padding: 170px 8vw 190px; }
.gallery-head { display: grid; grid-template-columns: 1fr 3fr; gap: 4vw; margin-bottom: 100px; }
.gallery-grid { display: grid; grid-template-columns: 1.25fr .75fr; grid-template-rows: 650px 500px; gap: 4vw; }
.gallery-item { overflow: hidden; position: relative; }
.gallery-item img { transition: transform .9s cubic-bezier(.2,.7,.2,1), filter .8s; filter: grayscale(.35); }
.gallery-item:hover img { transform: scale(1.04); filter: grayscale(0); }
.gallery-item figcaption { position: absolute; left: 18px; right: 18px; bottom: 18px; color: white; opacity: 1; }
.g1 { grid-row: 1 / 3; }
.g2 { height: 100%; }
.g3 { height: 100%; }
.g4 { height: 100%; }

.closing { height: 90vh; min-height: 650px; display: flex; align-items: center; }
.closing-bg { position: absolute; inset: 0; }
.closing-bg img { filter: grayscale(.75); }
.closing-overlay { position: absolute; inset: 0; background: rgba(0,0,0,.58); }
.closing-content { position: relative; z-index: 1; width: 100%; padding: 0 8vw; }
.closing h2 { margin: 0 0 55px; font-size: clamp(55px, 8vw, 125px); line-height: .95; letter-spacing: -.07em; font-weight: 500; }
.closing h2 em { color: #c7c7c3; }
.outline-button { display: inline-flex; padding: 13px 22px; border: 1px solid rgba(255,255,255,.55); font-size: 9px; letter-spacing: .17em; transition: background .3s, color .3s; }
.outline-button:hover { background: white; color: black; }

.footer { background: #0a0a0a; color: #ddd; padding: 60px 3.5vw 35px; display: grid; grid-template-columns: 1fr 1fr auto; gap: 4vw; align-items: end; }
.footer-brand { font-size: 24px; line-height: .95; letter-spacing: -.05em; }
.footer-info { display: flex; flex-direction: column; gap: 7px; font-size: 8px; letter-spacing: .16em; color: #777; }
.footer-year { font-size: 9px; letter-spacing: .16em; color: #777; }

.reveal { opacity: 0; transform: translateY(35px); transition: opacity .9s ease, transform 1s cubic-bezier(.2,.7,.2,1); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@keyframes heroZoom { from { transform: scale(1.04); } to { transform: scale(1); } }

@media (max-width: 900px) {
  .site-header { padding: 0 20px; }
  .nav { display: none; }
  .hero-content { left: 7vw; right: 7vw; }
  .hero h1 { font-size: clamp(55px, 16vw, 100px); }
  .intro, .details, .designer-grid { grid-template-columns: 1fr; gap: 70px; }
  .intro { padding-top: 140px; }
  .intro-stat { max-width: 600px; }
  .architecture-head, .gallery-head { grid-template-columns: 1fr; gap: 30px; }
  .feature-grid { grid-template-columns: 1fr; }
  .image-large { height: 600px; }
  .split-gallery { grid-template-columns: 1fr; }
  .split-gallery .image-card:first-child { margin-top: 0; }
  .detail-image { height: 600px; }
  .designer-visual { height: 620px; }
  .materials-head { display: block; }
  .materials-grid { grid-template-columns: 1fr; }
  .tall-photo, .tall-photo.offset, .tall-photo:nth-child(3) { height: 600px; margin-top: 0; }
  .program { grid-template-columns: .15fr 1fr; }
  .program p { grid-column: 2; }
  .stage-photo { height: 520px; }
  .gallery-grid { grid-template-columns: 1fr; grid-template-rows: auto; }
  .g1, .g2, .g3, .g4 { height: 520px; grid-row: auto; }
  .footer { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .hero { min-height: 640px; }
  .hero-content { bottom: 90px; }
  .hero-intro { font-size: 12px; }
  .intro, .architecture, .details, .designer, .materials, .performance, .gallery { padding-left: 7vw; padding-right: 7vw; }
  .section-number { left: 7vw; }
  .image-large, .detail-image, .designer-visual, .tall-photo, .tall-photo.offset, .tall-photo:nth-child(3), .g1, .g2, .g3, .g4 { height: 430px; }
  .program h3 { font-size: 29px; }
  .closing-content { padding: 0 7vw; }
  .closing { min-height: 580px; }
}