:root {
  --ink: #10231d;
  --ink-2: #17362c;
  --paper: #ffffff;
  --canvas: #f4f2eb;
  --canvas-2: #eaf0e8;
  --accent: #c8f53d;
  --accent-strong: #aee522;
  --muted: #5c6964;
  --line: #d7ddd8;
  --warm: #f3e6d4;
  --danger: #c85d49;
  --success: #23855c;
  --shadow: 0 20px 60px rgba(16, 35, 29, .11);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 10px;
  --sans: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  --mono: "DM Mono", "SFMono-Regular", Consolas, monospace;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.04em; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: .75rem 1rem; background: var(--accent); color: var(--ink); }
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 max(5vw, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid rgba(16, 35, 29, .12);
  background: rgba(244, 242, 235, .9);
  backdrop-filter: blur(16px);
}
.brand { display: inline-flex; align-items: center; gap: .7rem; text-decoration: none; font: 700 .76rem var(--mono); letter-spacing: .03em; }
.brand-mark { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 9px; background: var(--ink); color: var(--accent); }
.site-header nav { display: flex; align-items: center; gap: 1.5rem; font: 500 .8rem var(--mono); }
.site-header nav a { text-decoration: none; border-bottom: 1px solid transparent; }
.site-header nav a:hover { border-color: currentColor; }

.eyebrow { margin-bottom: .8rem; color: var(--muted); font: 500 .72rem var(--mono); letter-spacing: .1em; text-transform: uppercase; }
.status-pill { display: inline-flex; align-items: center; gap: .55rem; margin: 0 0 1.3rem; padding: .4rem .75rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.65); font: 500 .7rem var(--mono); }
.status-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #32b979; box-shadow: 0 0 0 5px rgba(50,185,121,.13); }
.button, .button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .8rem 1rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 700;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}
.button { background: var(--ink); color: white; box-shadow: 0 5px 0 rgba(16,35,29,.15); }
.button:hover { transform: translateY(-2px); box-shadow: 0 8px 0 rgba(16,35,29,.12); }
.button .arrow { color: var(--accent); margin-left: 1.8rem; }
.button-secondary { background: transparent; color: var(--ink); }
.button-secondary:hover { background: white; transform: translateY(-2px); }
.text-link { font-weight: 700; text-underline-offset: .24em; }
.button:focus-visible, .button-secondary:focus-visible, .text-link:focus-visible, nav a:focus-visible { outline: 3px solid var(--accent-strong); outline-offset: 3px; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(380px, .85fr);
  grid-template-areas: "copy visual" "proof proof";
  gap: clamp(2.5rem, 6vw, 6rem);
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 8vw, 7rem) 0 3rem;
}
.hero-copy-block { grid-area: copy; align-self: center; min-width: 0; }
.hero h1 { max-width: none; margin: 0 0 1.5rem; font-size: clamp(3.65rem, 5.25vw, 5.5rem); }
.hero-title-line { display: block; white-space: nowrap; }
.hero h1 em { color: var(--ink-2); font-family: Georgia, "Noto Serif TC", serif; font-weight: 400; }
.hero-copy { max-width: 42rem; margin-bottom: 1.6rem; color: var(--muted); font-size: clamp(1rem, 1.3vw, 1.18rem); }
.hero-actions, .project-actions, .case-actions { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem 1rem; }
.hero-product { grid-area: visual; align-self: center; min-width: 0; overflow: hidden; border-radius: var(--radius-lg); background: var(--ink); color: white; box-shadow: var(--shadow); }
.hero-product-head { display: flex; align-items: center; justify-content: space-between; padding: 1rem 1.2rem; border-bottom: 1px solid rgba(255,255,255,.14); font: .68rem var(--mono); }
.hero-product-head span:last-child { padding: .25rem .5rem; border-radius: 999px; background: var(--accent); color: var(--ink); font-weight: 700; }
.hero-product-screen { padding: 1rem; background: var(--ink-2); }
.hero-product-screen img { width: 100%; height: 360px; border-radius: 12px; background: white; object-fit: contain; object-position: center; }
.hero-product-copy { padding: 1.3rem 1.4rem 1.5rem; }
.hero-product-copy h2 { margin-bottom: .45rem; font-size: 1.5rem; letter-spacing: -.025em; }
.hero-product-copy p { margin: 0 0 1rem; color: #c6d3ce; font-size: .9rem; }
.hero-product-copy a { color: var(--accent); font-weight: 700; text-underline-offset: .25em; }
.hero-product-links { display: flex; flex-wrap: wrap; gap: .65rem 1rem; }
.proof-strip { grid-area: proof; display: grid; grid-template-columns: repeat(4, 1fr); margin: 1rem 0 0; padding: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-strip div { padding: 1.1rem 1.2rem; }
.proof-strip div + div { border-left: 1px solid var(--line); }
.proof-strip dt { font: 700 1rem var(--mono); }
.proof-strip dd { margin: .18rem 0 0; color: var(--muted); font-size: .78rem; }

.projects, .capabilities, .approach { padding: clamp(5rem, 9vw, 8rem) max(5vw, calc((100vw - var(--max)) / 2)); }
.projects { background: #faf9f5; }
.section-heading { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: end; gap: 2rem; margin-bottom: 2.5rem; }
.section-heading .eyebrow { grid-column: 1 / -1; margin: 0; }
.section-heading h2 { max-width: 13ch; margin: 0; font-size: clamp(2.35rem, 4.7vw, 4.7rem); }
.section-heading > p { max-width: 35rem; margin: 0; color: var(--muted); }
.featured-work { display: grid; gap: 1.25rem; }
.project-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, .95fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}
.project-feature.reverse { grid-template-columns: minmax(360px, .95fr) minmax(0, 1fr); }
.project-feature.reverse .project-media { order: -1; }
.project-content { padding: clamp(1.6rem, 3vw, 3rem); }
.project-number { display: inline-flex; margin-bottom: 1.3rem; padding: .28rem .55rem; border-radius: 999px; background: var(--accent); font: 700 .7rem var(--mono); }
.project-kicker { margin-bottom: .35rem; color: var(--muted); font: .72rem var(--mono); }
.project-content h3 { margin-bottom: .8rem; font-size: clamp(2rem, 3.6vw, 3.8rem); }
.project-summary { max-width: 40rem; color: var(--muted); }
.evidence-list { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.3rem 0 1.6rem; padding: 0; list-style: none; }
.evidence-list li { padding: .28rem .65rem; border: 1px solid var(--line); border-radius: 999px; background: #fbfcfa; font-size: .75rem; }
.project-media { display: grid; align-items: center; min-height: 430px; padding: clamp(1.2rem, 3vw, 2.5rem); background: var(--canvas-2); }
.project-media.dark { background: var(--ink); }
.project-media img { width: 100%; max-height: 440px; border-radius: 14px; object-fit: contain; object-position: center; box-shadow: 0 16px 40px rgba(16,35,29,.2); }
.secondary-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin: 4.5rem 0 1.4rem; }
.secondary-heading h3 { margin: 0; font-size: clamp(1.7rem, 3vw, 2.5rem); }
.secondary-heading p { max-width: 32rem; margin: 0; color: var(--muted); }
.secondary-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.25rem; }
.project-card { display: grid; grid-template-columns: minmax(0, 1fr) 210px; min-height: 340px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--paper); }
.project-card-copy { padding: 1.6rem; }
.project-card h3 { margin-bottom: .6rem; font-size: 1.8rem; }
.project-card p { color: var(--muted); font-size: .9rem; }
.project-card-media { display: grid; place-items: center; padding: 1rem; background: var(--warm); }
.project-card-media.dark { background: var(--ink-2); }
.project-card-media img { max-height: 260px; border-radius: 8px; object-fit: contain; box-shadow: 0 10px 24px rgba(16,35,29,.18); }
.local-badge { display: inline-block; margin-bottom: .8rem; padding: .25rem .5rem; border: 1px solid var(--line); border-radius: 999px; font: 600 .65rem var(--mono); }

.capabilities { background: var(--ink); color: white; }
.capabilities .eyebrow { color: #aebcb6; }
.capabilities h2 { max-width: 14ch; margin: 0 0 2.6rem; font-size: clamp(2.3rem, 4.5vw, 4.4rem); }
.capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.capability { padding: 2rem; }
.capability + .capability { border-left: 1px solid rgba(255,255,255,.18); }
.capability span { color: var(--accent); font: .72rem var(--mono); }
.capability h3 { margin: 2rem 0 .7rem; font-size: 1.45rem; }
.capability p { margin: 0; color: #bdcbc5; font-size: .9rem; }

.approach { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(3rem, 8vw, 7rem); }
.approach h2 { max-width: 12ch; margin: 0; font-size: clamp(2.2rem, 4vw, 4rem); }
.approach ol { margin: 0; padding: 0; list-style: none; }
.approach li { display: grid; grid-template-columns: 54px 1fr; gap: 1rem; padding: 1.25rem 0; border-top: 1px solid var(--line); }
.approach li:last-child { border-bottom: 1px solid var(--line); }
.approach li > span { font: .72rem var(--mono); }
.approach h3 { margin: 0 0 .3rem; font-size: 1.15rem; letter-spacing: -.02em; }
.approach p { margin: 0; color: var(--muted); font-size: .9rem; }

footer { padding: clamp(4rem, 8vw, 7rem) max(5vw, calc((100vw - var(--max)) / 2)); background: var(--ink); color: white; }
footer .eyebrow { color: #aebcb6; }
footer h2 { max-width: 15ch; margin: .8rem 0 1.6rem; font-size: clamp(2.4rem, 5vw, 5rem); }
.footer-links { display: flex; flex-wrap: wrap; gap: .7rem; }
footer .button { background: var(--accent); color: var(--ink); border-color: var(--accent); }
footer .button-secondary { color: white; border-color: rgba(255,255,255,.45); }
.footer-note { margin: 3rem 0 0; color: #9fb0a9; font: .68rem var(--mono); }

/* Case studies */
.case-hero, .case-content, .case-next { padding-left: max(5vw, calc((100vw - var(--max)) / 2)); padding-right: max(5vw, calc((100vw - var(--max)) / 2)); }
.case-hero { padding-top: clamp(3.5rem, 7vw, 6rem); padding-bottom: 3rem; background: linear-gradient(145deg, var(--canvas), var(--canvas-2)); border-bottom: 1px solid var(--line); }
.back-link { font: .72rem var(--mono); text-underline-offset: .25em; }
.case-hero-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(380px, 1.15fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; margin-top: 2.5rem; }
.case-hero h1 { margin: .45rem 0 1rem; font-size: clamp(3rem, 6vw, 6rem); }
.case-lead { max-width: 42rem; color: var(--muted); font-size: 1.08rem; }
.case-meta { display: flex; flex-wrap: wrap; gap: .45rem; margin: 1.3rem 0 1.6rem; padding: 0; list-style: none; }
.case-meta li { padding: .25rem .6rem; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.62); font-size: .75rem; }
.case-cover { margin: 0; padding: 1rem; border-radius: var(--radius-lg); background: var(--ink); box-shadow: var(--shadow); }
.case-cover img { width: 100%; max-height: 420px; border-radius: 12px; background: white; object-fit: contain; }
.case-cover figcaption { margin-top: .7rem; color: #bdcbc5; font-size: .72rem; }
.case-content { padding-top: 4.5rem; padding-bottom: 5rem; }
.case-snapshot { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 5rem; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-snapshot div { padding: 1.3rem; }
.case-snapshot div + div { border-left: 1px solid var(--line); }
.case-snapshot dt { margin-bottom: .35rem; font: .68rem var(--mono); color: var(--muted); text-transform: uppercase; }
.case-snapshot dd { margin: 0; font-weight: 700; }
.case-section { display: grid; grid-template-columns: minmax(180px, .35fr) minmax(0, 1fr); gap: clamp(2rem, 7vw, 7rem); padding: 3rem 0; border-top: 1px solid var(--line); }
.case-section-label { font: .7rem var(--mono); color: var(--muted); }
.case-section-body h2 { max-width: 19ch; margin: 0 0 1rem; font-size: clamp(1.8rem, 3.3vw, 3.2rem); }
.case-section-body > p { max-width: 48rem; color: var(--muted); }
.decision-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; margin-top: 1.4rem; }
.decision-card { padding: 1.2rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: white; }
.decision-card strong { display: block; margin-bottom: .35rem; }
.decision-card p { margin: 0; color: var(--muted); font-size: .86rem; }
.flow-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: .7rem; margin: 1.5rem 0 0; padding: 0; list-style: none; }
.flow-list li { display: flex; flex-direction: column; justify-content: space-between; min-height: 130px; padding: 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: white; }
.flow-list span { color: var(--muted); font: .68rem var(--mono); }
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 1.5rem; }
.gallery-grid figure { margin: 0; padding: .8rem; border: 1px solid var(--line); border-radius: var(--radius-md); background: white; }
.gallery-grid figure:first-child:nth-last-child(3) { grid-column: span 2; }
.gallery-grid img { width: 100%; aspect-ratio: 16 / 10; border-radius: 10px; object-fit: contain; object-position: top; background: #f4f6f3; }
.gallery-grid figcaption { margin-top: .65rem; color: var(--muted); font-size: .76rem; }
.case-note { margin-top: 1.2rem; padding: 1rem 1.1rem; border-left: 4px solid var(--accent-strong); background: white; }
.case-note strong { display: block; margin-bottom: .25rem; }
.case-note p { margin: 0; color: var(--muted); font-size: .88rem; }
.case-next { display: flex; align-items: center; justify-content: space-between; gap: 2rem; padding-top: 2.5rem; padding-bottom: 2.5rem; border-top: 1px solid var(--line); background: white; }
.case-next p { margin: 0; color: var(--muted); font-size: .78rem; }
.case-next a { font-size: 1.15rem; font-weight: 700; text-underline-offset: .25em; }

@media (max-width: 1280px) {
  .hero { margin-left: 5vw; margin-right: 5vw; }
}
@media (max-width: 1120px) {
  .hero { grid-template-columns: 1fr; grid-template-areas: "copy" "visual" "proof"; }
  .hero-product { width: 100%; }
  .project-feature, .project-feature.reverse { grid-template-columns: 1fr; }
  .project-feature.reverse .project-media { order: initial; }
  .project-media { min-height: 360px; }
  .secondary-grid, .capability-grid { grid-template-columns: 1fr; }
  .capability + .capability { border-left: 0; border-top: 1px solid rgba(255,255,255,.18); }
  .case-hero-grid { grid-template-columns: 1fr; }
  .case-cover { max-width: 760px; }
}
@media (max-width: 720px) {
  .site-header { position: relative; display: block; padding-top: .85rem; padding-bottom: .85rem; }
  .site-header nav { margin-top: .65rem; gap: .9rem; flex-wrap: wrap; font-size: .7rem; }
  .hero { width: 90vw; max-width: 90vw; margin-left: auto; margin-right: auto; padding-top: 3.5rem; gap: 2.2rem; }
  .hero > *, .hero-copy-block, .hero-product, .proof-strip, .hero-copy { width: 100%; max-width: 100%; min-width: 0; }
  .hero h1 { width: 100%; max-width: 100%; font-size: clamp(2.45rem, 10.8vw, 3.35rem); overflow-wrap: anywhere; }
  .hero h1 em { white-space: normal; }
  .hero-product-head { gap: .6rem; font-size: .6rem; }
  .hero-product-screen { padding: .75rem; }
  .hero-product-screen img { height: 270px; }
  .proof-strip { grid-template-columns: repeat(2, 1fr); }
  .proof-strip div:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .proof-strip div:nth-child(4) { border-top: 1px solid var(--line); }
  .section-heading, .approach { grid-template-columns: 1fr; }
  .section-heading { gap: 1rem; }
  .project-card { grid-template-columns: 1fr; }
  .project-card-media { min-height: 260px; }
  .secondary-heading { display: block; }
  .secondary-heading p { margin-top: .6rem; }
  .case-hero-grid { margin-top: 1.8rem; }
  .case-snapshot { grid-template-columns: 1fr; }
  .case-snapshot div + div { border-left: 0; border-top: 1px solid var(--line); }
  .case-section { grid-template-columns: 1fr; gap: 1rem; padding: 2.4rem 0; }
  .decision-grid, .flow-list, .gallery-grid { grid-template-columns: 1fr; }
  .gallery-grid figure:first-child:nth-last-child(3) { grid-column: auto; }
  .case-next { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}