@font-face {
  font-family: "DM Sans";
  src: url("../fonts/dm-sans-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
}
@font-face {
  font-family: "Playfair Display";
  src: url("../fonts/playfair-display-latin.woff2") format("woff2");
  font-style: normal;
  font-weight: 500 600;
  font-display: swap;
}
@font-face {
  font-family: "Playfair Display";
  src: url("../fonts/playfair-display-italic-latin.woff2") format("woff2");
  font-style: italic;
  font-weight: 500;
  font-display: swap;
}
@font-face {
  font-family: "Noto Sans SC";
  src: url("../fonts/noto-sans-sc-regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --ink: #14343b;
  --paper: #f2f7f5;
  --paper-2: #e1eeeb;
  --seafoam: #b8d8d2;
  --accent: #147f7c;
  --accent-deep: #0b625f;
  --forest: #315f55;
  --line: rgba(20,52,59,.15);
  --serif: "Playfair Display", Georgia, serif;
  --sans: "DM Sans", "Noto Sans SC", Arial, sans-serif;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.6; }
body.is-zh { font-family: "Noto Sans SC", var(--sans); }
body.menu-open { overflow: hidden; }
img { display: block; width: 100%; }
a { color: inherit; text-decoration: none; }
button { color: inherit; font: inherit; }
::selection { background: var(--accent); color: #fff; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--ink); color: #fff; }
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.serif { font-family: var(--serif); }
.eyebrow { margin: 0 0 .75rem; color: var(--accent); font-size: .73rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; }
.section { padding: 7.5rem 0; }
.section-rule { border-top: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(260px, .7fr); gap: 3rem; align-items: end; margin-bottom: 3.5rem; }
.section-heading h2 { max-width: 760px; margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 5.6vw, 5.4rem); font-weight: 500; letter-spacing: -.045em; line-height: .98; }
.section-heading p { margin: 0; color: #506a6c; }

.site-header { position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--line); background: rgba(242,247,245,.9); backdrop-filter: blur(16px); }
.nav-inner { display: flex; height: 78px; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; gap: .75rem; font-family: var(--serif); font-size: 1.35rem; font-weight: 600; }
.brand-mark { display: grid; width: 34px; height: 34px; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-family: var(--sans); font-size: .68rem; letter-spacing: .08em; }
.nav { display: flex; align-items: center; gap: clamp(1.2rem, 3vw, 2.8rem); }
.nav a { position: relative; padding: .25rem 0; color: #486166; font-size: .86rem; letter-spacing: .04em; }
.nav a::after { position: absolute; right: 0; bottom: -.2rem; left: 0; height: 1px; background: var(--accent); content: ""; transform: scaleX(0); transition: transform .25s ease; }
.nav a:hover::after, .nav a[aria-current="page"]::after { transform: scaleX(1); }
.nav a[aria-current="page"] { color: var(--ink); }
.language { display: flex; padding: 3px; border: 1px solid var(--line); border-radius: 99px; }
.language button { border: 0; border-radius: 99px; background: transparent; cursor: pointer; padding: .28rem .58rem; font-size: .7rem; }
.language button.is-active { background: var(--ink); color: var(--paper); }
.menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 50%; background: transparent; cursor: pointer; }
.menu-toggle span { display: block; width: 17px; height: 1px; margin: 4px auto; background: var(--ink); transition: .25s; }

.hero { min-height: calc(100vh - 78px); padding: 4rem 0 2rem; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .75fr); gap: 4rem; align-items: center; }
.hero h1 { max-width: 780px; margin: 1.1rem 0 1.5rem; font-family: var(--serif); font-size: clamp(4rem, 8.4vw, 8.3rem); font-weight: 500; letter-spacing: -.065em; line-height: .84; }
.hero h1 em { color: var(--accent); font-weight: 500; }
.hero-lede { max-width: 560px; margin: 0 0 2rem; color: #506a6c; font-size: clamp(1rem, 1.5vw, 1.2rem); }
.button-row { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: .7rem; border: 1px solid var(--ink); border-radius: 99px; padding: .65rem 1.25rem; font-size: .84rem; font-weight: 600; transition: background .25s, color .25s, transform .25s; }
.button:hover { transform: translateY(-2px); }
.button:not(.button-primary):hover { border-color: var(--accent); background: var(--paper-2); color: var(--accent-deep); }
.button-primary { background: var(--ink); color: #fff; }
.button-primary:hover { background: var(--accent); border-color: var(--accent); }
.button-arrow::after { content: "↗"; font-size: 1rem; }
.hero-visual { position: relative; min-height: 660px; }
.hero-photo { position: absolute; inset: 0 0 0 12%; height: 91%; object-fit: cover; border-radius: 200px 200px 18px 18px; filter: saturate(.83) sepia(.08); }
.hero-stamp { position: absolute; left: 0; bottom: 7%; display: grid; width: 142px; height: 142px; place-items: center; border-radius: 50%; background: var(--accent); color: #fff; text-align: center; transform: rotate(-8deg); }
.hero-stamp span { max-width: 95px; font-size: .69rem; letter-spacing: .12em; line-height: 1.5; text-transform: uppercase; }
.hero-note { position: absolute; right: -1rem; bottom: 0; width: 62%; padding: 1rem 1.2rem; background: var(--paper); border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(20,52,59,.08); font-size: .78rem; }
.hero-note strong { display: block; font-family: var(--serif); font-size: 1.1rem; font-weight: 500; }

.ticker { overflow: hidden; border-block: 1px solid var(--line); padding: 1.05rem 0; background: var(--paper-2); }
.ticker-track { display: flex; min-width: max-content; gap: 2.4rem; align-items: center; animation: ticker 32s linear infinite; }
.ticker span { font-family: var(--serif); font-size: 1.05rem; font-style: italic; }
.ticker i { width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
@keyframes ticker { to { transform: translateX(-50%); } }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.stat { padding: 3rem clamp(1rem, 4vw, 4rem); text-align: center; }
.stat + .stat { border-left: 1px solid var(--line); }
.stat strong { display: block; font-family: var(--serif); font-size: clamp(2.5rem, 5vw, 5rem); font-weight: 500; line-height: 1; }
.stat span { color: #506a6c; font-size: .76rem; letter-spacing: .08em; text-transform: uppercase; }
.demo-note { margin: 1rem 0 0; color: #60787a; font-size: .7rem; text-align: right; }

.services { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.service { min-height: 330px; padding: 2rem; border-bottom: 1px solid var(--line); }
.service + .service { border-left: 1px solid var(--line); }
.service-number { color: var(--accent); font-family: var(--serif); font-size: 1.1rem; }
.service h3 { margin: 5rem 0 1rem; font-family: var(--serif); font-size: 2rem; font-weight: 500; line-height: 1.05; }
.service p { color: #506a6c; font-size: .9rem; }

.feature-grid { display: grid; grid-template-columns: 1.3fr .7fr; gap: 1.5rem; }
.feature-card { position: relative; min-height: 620px; overflow: hidden; background: #dbe9e6; }
.feature-card.secondary { min-height: 450px; align-self: end; }
.feature-card img { position: absolute; inset: 0; height: 100%; object-fit: cover; transition: transform .8s ease; }
.feature-card:hover img { transform: scale(1.03); }
.feature-overlay { position: absolute; inset: auto 0 0; padding: 7rem 2rem 2rem; background: linear-gradient(transparent, rgba(8,39,45,.84)); color: #fff; }
.feature-overlay h3 { max-width: 540px; margin: 0; font-family: var(--serif); font-size: clamp(2rem, 4vw, 4rem); font-weight: 500; line-height: 1; }
.feature-overlay p { margin: .8rem 0 0; opacity: .8; }

.process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; counter-reset: step; }
.process-step { position: relative; padding: 2rem 1.5rem 2.5rem; border-top: 1px solid var(--line); counter-increment: step; }
.process-step + .process-step { border-left: 1px solid var(--line); }
.process-step::before { display: block; margin-bottom: 4rem; color: var(--accent); content: "0" counter(step); font-family: var(--serif); }
.process-step h3 { margin: 0 0 .75rem; font-family: var(--serif); font-size: 1.5rem; font-weight: 500; }
.process-step p { margin: 0; color: #506a6c; font-size: .86rem; }

.quote { padding: 7rem 0; background: var(--forest); color: #f3faf8; }
.quote blockquote { max-width: 980px; margin: 0 auto; font-family: var(--serif); font-size: clamp(2.2rem, 5vw, 5rem); font-style: italic; line-height: 1.08; text-align: center; }
.quote cite { display: block; margin-top: 2rem; font-family: var(--sans); font-size: .72rem; font-style: normal; letter-spacing: .14em; text-transform: uppercase; }

.page-hero { padding: 7rem 0 4rem; }
.page-hero-grid { display: grid; grid-template-columns: 1fr .65fr; gap: 4rem; align-items: end; }
.page-hero h1 { max-width: 900px; margin: .6rem 0 0; font-family: var(--serif); font-size: clamp(4rem, 9vw, 8rem); font-weight: 500; letter-spacing: -.06em; line-height: .9; }
.page-hero p { max-width: 480px; margin: 0; color: #506a6c; font-size: 1.05rem; }

.filter-bar { position: sticky; top: 78px; z-index: 20; display: flex; overflow-x: auto; gap: .4rem; padding: 1rem max(24px, calc((100vw - var(--max)) / 2)); border-block: 1px solid var(--line); background: rgba(242,247,245,.96); scrollbar-width: none; }
.filter-bar button { flex: 0 0 auto; border: 1px solid var(--line); border-radius: 99px; background: transparent; cursor: pointer; padding: .5rem .9rem; font-size: .76rem; }
.filter-bar button.is-active { border-color: var(--ink); background: var(--ink); color: #fff; }
.project-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem 1.5rem; padding: 5rem 0 7rem; }
.project-card.is-hidden { display: none; }
.project-card:nth-child(even) { margin-top: 7rem; }
.project-image-wrap { position: relative; overflow: hidden; aspect-ratio: 4 / 5; background: var(--paper-2); }
.project-image { height: 100%; object-fit: cover; filter: saturate(.88); transition: transform .8s ease; }
.project-card:hover .project-image { transform: scale(1.025); }
.project-index { position: absolute; top: 1rem; left: 1rem; display: grid; width: 46px; height: 46px; place-items: center; border-radius: 50%; background: rgba(242,247,245,.92); font-family: var(--serif); }
.asset-note { position: absolute; right: 1rem; bottom: 1rem; border: 1px solid rgba(255,255,255,.5); border-radius: 99px; padding: .42rem .7rem; background: rgba(8,39,45,.82); color: #fff; font-size: .63rem; letter-spacing: .04em; }
.project-copy { padding: 1.5rem .25rem; }
.project-copy h2 { margin: 0 0 .75rem; font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3.5rem); font-weight: 500; line-height: 1; }
.project-copy > p:not(.eyebrow) { max-width: 600px; color: #506a6c; }
.project-details { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: .74rem; }
.project-details strong { color: var(--accent); }
.noscript-projects { grid-column: 1 / -1; padding: 2rem; border: 1px solid var(--line); background: var(--paper-2); }
.noscript-projects h2 { margin-top: 0; font-family: var(--serif); font-size: 2rem; font-weight: 500; }

.journal-list { padding-bottom: 8rem; }
.journal-card { display: grid; grid-template-columns: 260px 1fr auto; gap: 2.5rem; align-items: center; padding: 2rem 0; border-top: 1px solid var(--line); }
.journal-card:last-child { border-bottom: 1px solid var(--line); }
.journal-thumb { height: 210px; object-fit: cover; }
.journal-meta { color: var(--accent); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; }
.journal-card h2 { max-width: 700px; margin: .5rem 0; font-family: var(--serif); font-size: clamp(2rem, 4vw, 4rem); font-weight: 500; line-height: 1; }
.journal-card p { max-width: 720px; color: #506a6c; }
.journal-toggle { border: 0; border-bottom: 1px solid var(--ink); background: transparent; cursor: pointer; padding: .3rem 0; white-space: nowrap; }
.article-body { display: none; grid-column: 2 / 4; max-width: 720px; padding: 1rem 0 2rem; }
.journal-card.is-expanded .article-body { display: block; }
.article-body h3 { font-family: var(--serif); font-size: 1.8rem; font-weight: 500; }
.article-body p { color: var(--ink); }

.contact-main { display: grid; grid-template-columns: 1.05fr .65fr; min-height: calc(100vh - 78px); }
.contact-visual { position: relative; min-height: 720px; overflow: hidden; }
.contact-visual img { height: 100%; object-fit: cover; }
.contact-visual::after { position: absolute; inset: 0; background: linear-gradient(transparent 45%, rgba(7,37,43,.68)); content: ""; }
.contact-caption { position: absolute; z-index: 1; right: 2rem; bottom: 2rem; left: 2rem; color: #fff; font-family: var(--serif); font-size: 2rem; font-style: italic; }
.contact-copy { display: flex; flex-direction: column; justify-content: center; padding: 5rem clamp(2rem, 6vw, 7rem); background: var(--paper-2); }
.contact-copy h1 { margin: .8rem 0 1.5rem; font-family: var(--serif); font-size: clamp(3.5rem, 7vw, 7rem); font-weight: 500; letter-spacing: -.06em; line-height: .88; }
.contact-copy > p { max-width: 520px; color: #506a6c; }
.contact-links { margin: 3rem 0; border-top: 1px solid var(--line); }
.contact-link { display: flex; justify-content: space-between; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line); transition: padding .2s; }
.contact-link:hover { padding-left: .4rem; }
.contact-link span { color: #587174; font-size: .8rem; }
.availability { display: inline-flex; align-items: center; gap: .55rem; font-size: .78rem; }
.availability::before { width: 8px; height: 8px; border-radius: 50%; background: #3f8f72; box-shadow: 0 0 0 5px rgba(63,143,114,.14); content: ""; }

.cta { padding: 8rem 0; text-align: center; }
.cta h2 { max-width: 920px; margin: 0 auto 2rem; font-family: var(--serif); font-size: clamp(3rem, 7vw, 7rem); font-weight: 500; letter-spacing: -.05em; line-height: .94; }
.cta h2 em { color: var(--accent); font-weight: 500; }
.footer { padding: 2rem 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: end; justify-content: space-between; gap: 2rem; }
.footer-name { font-family: var(--serif); font-size: clamp(2rem, 5vw, 4.5rem); line-height: 1; }
.footer-small { color: #506a6c; font-size: .7rem; text-align: right; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity .65s ease var(--delay, 0ms), transform .65s ease var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .shell { width: min(calc(100% - 32px), var(--max)); }
  .menu-toggle { display: block; }
  .nav { position: fixed; inset: 79px 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 2rem; background: var(--paper); border-bottom: 1px solid var(--line); }
  .nav.is-open { display: flex; }
  .nav a { padding: 1rem 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: 1.8rem; }
  .nav .language { align-self: flex-start; margin-top: 1.5rem; }
  .hero { min-height: auto; }
  .hero-grid, .section-heading, .page-hero-grid, .contact-main { grid-template-columns: 1fr; }
  .hero-visual { min-height: 580px; }
  .section-heading { gap: 1.5rem; }
  .services { grid-template-columns: 1fr; }
  .service { min-height: auto; }
  .service + .service { border-left: 0; }
  .service h3 { margin-top: 3rem; }
  .process { grid-template-columns: 1fr 1fr; }
  .process-step:nth-child(3) { border-left: 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card.secondary { min-height: 520px; }
  .journal-card { grid-template-columns: 180px 1fr; }
  .journal-toggle { grid-column: 2; justify-self: start; }
  .article-body { grid-column: 2; }
  .contact-copy { order: -1; }
}

@media (max-width: 620px) {
  .section { padding: 5rem 0; }
  .nav-inner { height: 68px; }
  .nav { top: 69px; }
  .hero { padding-top: 2.8rem; }
  .hero-grid { gap: 3rem; }
  .hero h1 { font-size: clamp(3.8rem, 20vw, 6rem); }
  .hero-visual { min-height: 490px; }
  .hero-photo { left: 5%; }
  .hero-stamp { width: 112px; height: 112px; }
  .hero-note { right: 0; width: 72%; }
  .stats { grid-template-columns: 1fr; }
  .stat + .stat { border-top: 1px solid var(--line); border-left: 0; }
  .process { grid-template-columns: 1fr; }
  .process-step + .process-step { border-left: 0; }
  .feature-card, .feature-card.secondary { min-height: 520px; }
  .page-hero { padding-top: 4.5rem; }
  .page-hero h1 { font-size: clamp(3.2rem, 15vw, 5.2rem); }
  .filter-bar { top: 68px; }
  .project-grid { grid-template-columns: 1fr; gap: 3.5rem; }
  .project-card:nth-child(even) { margin-top: 0; }
  .project-details { flex-direction: column; }
  .journal-card { grid-template-columns: 1fr; gap: 1rem; }
  .journal-thumb { height: 300px; }
  .journal-toggle, .article-body { grid-column: 1; }
  .contact-visual { min-height: 540px; }
  .contact-copy { padding: 4rem 1.5rem; }
  .footer-inner { display: block; }
  .footer-small { margin-top: 1.5rem; text-align: left; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}