:root {
  --paper: #f2f0e9;
  --paper-warm: #e8e4d9;
  --ink: #141612;
  --muted: #686b63;
  --acid: #c8ff36;
  --coral: #ff6a55;
  --line: rgba(20, 22, 18, 0.18);
  --radius: 1.4rem;
  --max-width: 1440px;
  --header-height: 6rem;
  color-scheme: light;
  font-family: Inter, "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", system-ui, sans-serif;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.6; overflow-x: hidden; }
body::before { position: fixed; inset: 0; z-index: 20; pointer-events: none; content: ""; opacity: 0.045; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.8'/%3E%3C/svg%3E"); }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 0.75rem; left: 0.75rem; z-index: 100; padding: 0.75rem 1rem; background: var(--acid); transform: translateY(-150%); transition: transform 180ms ease; }
.skip-link:focus { transform: translateY(0); }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; width: min(calc(100% - 3rem), var(--max-width)); height: var(--header-height); margin: 0 auto; transition: height 240ms ease, background 240ms ease, backdrop-filter 240ms ease; }
.site-header.is-scrolled { height: 4.8rem; background: rgba(242, 240, 233, 0.84); backdrop-filter: blur(18px); }
.wordmark { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 1.25rem; font-weight: 800; line-height: 1; letter-spacing: -0.06em; }
.wordmark i { width: 0.4rem; height: 0.4rem; background: var(--acid); border-radius: 50%; }
.site-nav { display: flex; align-items: center; gap: 2rem; font-size: 0.88rem; font-weight: 650; }
.site-nav a:not(.nav-contact) { position: relative; }
.site-nav a:not(.nav-contact)::after { position: absolute; bottom: -0.3rem; left: 0; width: 100%; height: 1px; content: ""; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform 200ms ease; }
.site-nav a:hover::after, .site-nav a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.nav-contact { padding: 0.65rem 1rem; color: var(--paper); background: var(--ink); border-radius: 999px; }
.menu-button { display: none; width: 2.8rem; height: 2.8rem; padding: 0.75rem; background: transparent; border: 1px solid var(--line); border-radius: 50%; }
.menu-button > span:not(.sr-only) { display: block; width: 100%; height: 1px; margin: 0.28rem 0; background: var(--ink); transition: transform 200ms ease; }
.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(23rem, 0.65fr); align-items: center; min-height: 100svh; width: min(calc(100% - 3rem), var(--max-width)); margin: 0 auto; padding: calc(var(--header-height) + 3rem) 0 5rem; border-bottom: 1px solid var(--line); }
.eyebrow, .section-index { margin: 0 0 1.5rem; color: var(--muted); font-size: 0.72rem; font-weight: 750; letter-spacing: 0.12em; text-transform: uppercase; }
.eyebrow { display: flex; align-items: center; gap: 0.7rem; }
.eyebrow span { width: 0.55rem; height: 0.55rem; background: var(--acid); border: 1px solid var(--ink); border-radius: 50%; }
.hero h1, .section-heading h2, .contact h2 { margin: 0; font-size: clamp(3.4rem, 7vw, 7.8rem); font-weight: 750; line-height: 0.98; letter-spacing: -0.075em; }
.hero h1 em, .contact h2 em { font-family: Georgia, "Times New Roman", serif; font-weight: 400; }
.hero h1 em { position: relative; display: inline-block; }
.hero h1 em::after { position: absolute; right: -0.08em; bottom: 0.02em; left: -0.02em; z-index: -1; height: 0.16em; content: ""; background: var(--acid); transform: rotate(-1deg); }
.hero-intro { max-width: 36rem; margin: 2.2rem 0 2.5rem; color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.25rem); }
.hero-actions { display: flex; align-items: center; gap: 1.8rem; }
.button { display: inline-flex; align-items: center; justify-content: space-between; min-width: 13rem; padding: 0.9rem 1rem 0.9rem 1.2rem; font-size: 0.88rem; font-weight: 700; border: 1px solid transparent; border-radius: 999px; transition: color 200ms ease, background 200ms ease, transform 200ms ease; }
.button span { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; }
.button-dark { color: var(--paper); background: var(--ink); }
.button-dark span { color: var(--ink); background: var(--acid); }
.button:hover, .button:focus-visible { transform: translateY(-3px); }
.text-link { padding-bottom: 0.25rem; font-size: 0.9rem; font-weight: 700; border-bottom: 1px solid var(--ink); }
.text-link span { display: inline-block; margin-left: 0.35rem; transition: transform 200ms ease; }
.text-link:hover span { transform: translateX(0.25rem); }
.hero-object { position: relative; display: grid; place-items: center; aspect-ratio: 1; }
.hero-disc { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 57%; aspect-ratio: 1; color: var(--paper); background: var(--ink); border-radius: 50%; box-shadow: 0 2rem 4rem rgba(20, 22, 18, 0.16); animation: float 6s ease-in-out infinite; }
.hero-disc span { font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.5rem, 3vw, 3rem); font-style: italic; }
.hero-disc strong { color: var(--acid); font-size: 1.5rem; transform: rotate(90deg); }
.orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; }
.orbit-one { width: 82%; height: 50%; transform: rotate(42deg); }
.orbit-two { width: 88%; height: 42%; transform: rotate(-38deg); }
.orbit-one::after, .orbit-two::after { position: absolute; top: 50%; left: -0.35rem; width: 0.7rem; height: 0.7rem; content: ""; background: var(--coral); border-radius: 50%; }
.orbit-two::after { top: auto; right: -0.35rem; bottom: 28%; left: auto; background: var(--acid); border: 1px solid var(--ink); }
.object-note { position: absolute; right: 1rem; bottom: 5%; margin: 0; font-size: 0.68rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; writing-mode: vertical-rl; }
.hero-meta { position: absolute; right: 0; bottom: 1.4rem; left: 0; display: flex; justify-content: space-between; color: var(--muted); font-size: 0.7rem; font-weight: 650; letter-spacing: 0.06em; text-transform: uppercase; }
.hero-meta span { display: inline-block; margin-left: 0.4rem; color: var(--ink); animation: nudge 1.6s ease-in-out infinite; }
.section { padding: clamp(6rem, 11vw, 10rem) max(1.5rem, calc((100vw - var(--max-width)) / 2)); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(18rem, 0.65fr); gap: 4rem; align-items: end; margin-bottom: clamp(3rem, 7vw, 6rem); }
.section-heading h2 { font-size: clamp(3rem, 6vw, 6.2rem); }
.section-heading > p { max-width: 32rem; margin: 0 0 0.6rem; color: var(--muted); font-size: 1rem; }
.project-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4.5rem 1.5rem; }
.project-wide { grid-column: 1 / -1; }
.project-art { position: relative; min-height: 28rem; overflow: hidden; border-radius: var(--radius); transition: transform 400ms cubic-bezier(0.22, 1, 0.36, 1); }
.project-wide .project-art { min-height: min(64vw, 48rem); }
.project:hover .project-art { transform: scale(0.992); }
.project-number { position: absolute; top: 1.25rem; left: 1.25rem; z-index: 2; display: grid; place-items: center; width: 2.4rem; height: 2.4rem; font-size: 0.72rem; font-weight: 800; background: rgba(242, 240, 233, 0.88); border-radius: 50%; }
.art-fern { display: grid; place-items: center; color: #e6f4de; background: #164b36; }
.art-fern::before, .art-fern::after { position: absolute; width: 62%; height: 120%; content: ""; border: 1px solid rgba(230, 244, 222, 0.25); border-radius: 50%; transform: rotate(35deg); }
.art-fern::after { transform: rotate(-35deg); }
.fern-mark { position: relative; z-index: 1; display: flex; align-items: center; gap: 1.5rem; }
.fern-mark i { display: block; width: clamp(5rem, 10vw, 9rem); aspect-ratio: 0.58; background: var(--acid); border-radius: 100% 0 100% 0; transform: rotate(-18deg); }
.fern-mark b { font-family: Georgia, "Times New Roman", serif; font-size: clamp(4rem, 11vw, 11rem); font-weight: 400; letter-spacing: -0.08em; }
.art-fern > p { position: absolute; bottom: 1.5rem; left: 1.5rem; margin: 0; font-family: Georgia, serif; font-style: italic; }
.art-tempo { color: #f9eee5; background: #e54b32; }
.tempo-grid { position: absolute; inset: 1.5rem; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; align-items: start; font-size: 0.7rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
.tempo-grid span:nth-child(even) { text-align: right; }
.tempo-grid span:nth-child(n + 3) { align-self: end; }
.tempo-circle { position: absolute; top: 50%; left: 50%; display: grid; place-items: center; width: 44%; aspect-ratio: 1; color: #e54b32; font-family: Georgia, serif; font-size: clamp(5rem, 10vw, 9rem); font-style: italic; background: #f9eee5; border-radius: 50%; transform: translate(-50%, -50%); }
.art-common { color: #1b1b19; background: #c6c0f7; }
.art-common::after { position: absolute; inset: 12% 36%; content: ""; background: #ffef69; border-radius: 50%; mix-blend-mode: multiply; transform: rotate(28deg); }
.common-type { position: absolute; inset: 0; z-index: 1; display: flex; flex-direction: column; justify-content: center; font-size: clamp(3.2rem, 7vw, 7rem); font-weight: 900; line-height: 0.78; letter-spacing: -0.09em; }
.common-type span:last-child { align-self: flex-end; }
.common-stamp { position: absolute; right: 1.5rem; bottom: 1.5rem; z-index: 2; display: grid; place-items: center; width: 4.5rem; height: 4.5rem; color: var(--paper); font-size: 0.66rem; font-weight: 750; line-height: 1.25; text-align: center; background: var(--ink); border-radius: 50%; transform: rotate(8deg); }
.project-info { display: flex; justify-content: space-between; align-items: flex-end; padding-top: 1.2rem; border-top: 1px solid transparent; }
.project-info p { margin: 0 0 0.35rem; color: var(--muted); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.project-info h3 { margin: 0; font-size: clamp(1.5rem, 2.5vw, 2.25rem); letter-spacing: -0.04em; }
.project-arrow { font-size: 1.8rem; transition: transform 200ms ease; }
.project:hover .project-arrow { transform: translate(0.2rem, -0.2rem); }
.concept-note { max-width: 34rem; margin: 4rem auto 0; color: var(--muted); font-size: 0.8rem; text-align: center; }
.section-dark { color: var(--paper); background: var(--ink); }
.section-heading-light > p, .section-heading-light .section-index { color: rgba(242, 240, 233, 0.58); }
.about-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 6rem; }
.about-card { min-height: 35rem; border-radius: var(--radius); }
.about-portrait { position: relative; overflow: hidden; color: var(--ink); background: var(--acid); }
.portrait-shape { position: absolute; top: 9%; right: 12%; bottom: -12%; left: 12%; background: var(--ink); border-radius: 48% 48% 12% 12%; }
.portrait-shape::before { position: absolute; top: -7%; left: 50%; width: 45%; aspect-ratio: 0.85; content: ""; background: var(--paper); border-radius: 48% 48% 44% 44%; transform: translateX(-50%); }
.about-portrait p { position: absolute; right: 1.5rem; bottom: 1.5rem; z-index: 1; margin: 0; font-size: 0.7rem; font-weight: 800; line-height: 1.45; text-align: right; text-transform: uppercase; }
.about-values { align-self: center; }
.about-values > div { display: grid; grid-template-columns: minmax(8rem, 0.7fr) 1.3fr; gap: 2rem; padding: 2rem 0; border-top: 1px solid rgba(242, 240, 233, 0.2); }
.about-values > div:last-child { border-bottom: 1px solid rgba(242, 240, 233, 0.2); }
.about-values strong { font-size: 1.1rem; }
.about-values p { margin: 0; color: rgba(242, 240, 233, 0.6); }
.service-list { padding: 0; margin: 0; list-style: none; border-top: 1px solid var(--line); }
.service-list li { display: grid; grid-template-columns: 4rem 1fr 1fr auto; gap: 2rem; align-items: center; min-height: 8.5rem; border-bottom: 1px solid var(--line); transition: padding 240ms ease, background 240ms ease; }
.service-list li:hover { padding-right: 1rem; padding-left: 1rem; background: var(--paper-warm); }
.service-list span { color: var(--muted); font-size: 0.72rem; font-weight: 750; }
.service-list h3 { margin: 0; font-size: clamp(1.45rem, 2.4vw, 2.25rem); letter-spacing: -0.04em; }
.service-list p { margin: 0; color: var(--muted); font-size: 0.9rem; }
.service-list b { font-size: 1.7rem; }
.contact { position: relative; min-height: 80svh; overflow: hidden; color: var(--paper); background: #5538cf; }
.contact-inner { position: relative; z-index: 2; width: min(calc(100% - 3rem), var(--max-width)); margin: 0 auto; padding: clamp(7rem, 13vw, 12rem) 0; }
.contact .section-index { color: rgba(242, 240, 233, 0.65); }
.contact h2 { max-width: 63rem; font-size: clamp(4rem, 9vw, 9rem); }
.contact > .contact-inner > p:not(.section-index) { max-width: 31rem; margin: 2rem 0; color: rgba(242, 240, 233, 0.72); }
.button-light { color: var(--ink); background: var(--acid); }
.button-light span { color: var(--paper); background: var(--ink); }
.contact-rings i { position: absolute; right: -14vw; bottom: -25vw; width: 60vw; aspect-ratio: 1; border: 1px solid rgba(242, 240, 233, 0.22); border-radius: 50%; }
.contact-rings i:nth-child(2) { width: 48vw; transform: translate(-6vw, -6vw); }
.contact-rings i:nth-child(3) { width: 36vw; background: var(--coral); border: 0; transform: translate(-12vw, -12vw); }
.site-footer { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; padding: 2.5rem max(1.5rem, calc((100vw - var(--max-width)) / 2)); color: var(--paper); font-size: 0.7rem; background: var(--ink); }
.site-footer p { margin: 0; text-align: center; }
.site-footer > a:last-child { justify-self: end; }
.wordmark-light i { background: var(--coral); }
[data-reveal] { opacity: 0; transform: translateY(2rem); transition: opacity 700ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1); }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(-2deg); } 50% { transform: translateY(-1rem) rotate(2deg); } }
@keyframes nudge { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(0.3rem); } }
@media (max-width: 900px) {
  :root { --header-height: 5rem; }
  .site-header { width: calc(100% - 2rem); }
  .menu-button { z-index: 12; display: grid; place-items: center; width: auto; height: auto; padding: 0.7rem 0.9rem; color: var(--paper); background: var(--ink); border: 0; border-radius: 999px; }
  .menu-button > .menu-label { display: inline; width: auto; height: auto; margin: 0; color: var(--paper); font-size: 0.62rem; font-weight: 800; letter-spacing: 0.08em; background: transparent; }
  .site-nav { position: fixed; inset: 0; z-index: 11; display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1rem; padding: 2rem; font-size: 2.5rem; background: var(--acid); visibility: hidden; opacity: 0; transform: translateY(-1rem); transition: opacity 200ms ease, transform 200ms ease, visibility 200ms; }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
  .nav-contact { padding: 0; color: var(--ink); background: transparent; border-radius: 0; }
  .hero { grid-template-columns: 1fr; gap: 2rem; min-height: auto; width: calc(100% - 2rem); padding-top: 8rem; }
  .hero-object { width: min(100%, 31rem); margin: 0 auto 2rem; }
  .hero-meta { display: none; }
  .section-heading, .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .section-heading > p { max-width: 37rem; }
  .about-grid { gap: 3rem; }
  .about-card { min-height: 30rem; }
  .service-list li { grid-template-columns: 2.5rem 1fr auto; gap: 1rem; }
  .service-list p { grid-column: 2 / -1; margin-top: -1rem; padding-bottom: 1.5rem; }
}
@media (max-width: 640px) {
  .hero h1 { font-size: min(10vw, 3.4rem); overflow-wrap: anywhere; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 1.2rem; }
  .project-list { grid-template-columns: 1fr; }
  .project-wide { grid-column: auto; }
  .project-art, .project-wide .project-art { min-height: 25rem; }
  .fern-mark { flex-direction: column; gap: 0.5rem; }
  .fern-mark i { width: 4.5rem; }
  .about-values > div { grid-template-columns: 1fr; gap: 0.5rem; }
  .contact { min-height: 42rem; }
  .contact-rings i { right: -40vw; bottom: -20vw; width: 100vw; }
  .contact-rings i:nth-child(2) { width: 80vw; transform: translate(-10vw, -10vw); }
  .contact-rings i:nth-child(3) { width: 60vw; transform: translate(-20vw, -20vw); }
  .site-footer { grid-template-columns: 1fr auto; gap: 1.5rem; }
  .site-footer p { grid-column: 1 / -1; grid-row: 2; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  [data-reveal] { opacity: 1; transform: none; }
}