:root{
  --bg:#050507;
  --bg-soft:#0c0d11;
  --ink:#f3f5f8;
  --muted:#8b919c;
  --line:rgba(243,245,248,.12);
  --accent:#7fdfff;
  --accent-dim:rgba(127,223,255,.16);
  --serif:"Noto Serif TC",serif;
  --sans:"Space Grotesk","Noto Serif TC",system-ui,sans-serif;
  --maxw:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}

.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#000;padding:.6rem 1rem;z-index:100}
.skip-link:focus{left:1rem;top:1rem}

#bg-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:0;display:block}

.site-header,main,.site-footer{position:relative;z-index:2}

/* header */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;
  padding:1.3rem clamp(1.2rem,4vw,3rem);
  mix-blend-mode:difference;
}
.brand{display:flex;align-items:center;gap:.7rem;color:var(--ink)}
.brand-mark{color:var(--ink)}
.brand-text{font-family:var(--serif);font-weight:500;font-size:1.15rem;letter-spacing:.06em}
.brand-text em{font-style:normal;font-family:var(--sans);font-weight:300;font-size:.78em;letter-spacing:.22em;opacity:.7}
.site-nav{display:flex;gap:clamp(1rem,2.4vw,2.2rem)}
.site-nav a{font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink);opacity:.78;transition:opacity .25s}
.site-nav a:hover{opacity:1}

/* hero */
.hero{
  min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:7rem clamp(1.2rem,5vw,4rem) 5rem;max-width:var(--maxw);margin:0 auto;
}
.hero-inner{max-width:760px}
.eyebrow{font-size:.8rem;letter-spacing:.32em;text-transform:uppercase;color:var(--accent);margin-bottom:1.6rem}
h1{
  font-family:var(--serif);font-weight:300;
  font-size:clamp(2.4rem,7vw,5rem);line-height:1.16;letter-spacing:.01em;
  margin-bottom:1.6rem;
}
.hero-sub{font-size:clamp(1rem,1.7vw,1.2rem);color:var(--muted);max-width:46ch;margin-bottom:2.6rem}
.hero-actions{display:flex;gap:1rem;flex-wrap:wrap}
.btn{
  display:inline-block;padding:.85rem 1.8rem;border-radius:40px;font-size:.9rem;
  letter-spacing:.06em;transition:transform .25s,background .25s,border-color .25s,color .25s;
}
.btn-primary{background:var(--ink);color:#060608}
.btn-primary:hover{transform:translateY(-2px);background:var(--accent)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

.scroll-hint{position:absolute;left:50%;bottom:2.2rem;transform:translateX(-50%);
  font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:.7rem}
.scroll-hint span{width:1px;height:42px;background:linear-gradient(var(--accent),transparent);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.3;transform:scaleY(.7)}50%{opacity:1;transform:scaleY(1)}}

/* sections */
.section{padding:clamp(5rem,11vw,9rem) 0;position:relative}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(1.2rem,5vw,4rem)}
.container.narrow{max-width:860px}
.section-index{font-size:.78rem;letter-spacing:.28em;text-transform:uppercase;color:var(--accent);margin-bottom:1.4rem}
h2{font-family:var(--serif);font-weight:300;font-size:clamp(1.8rem,4.4vw,3.1rem);line-height:1.22;margin-bottom:1.4rem}
.lead{font-size:clamp(1rem,1.5vw,1.18rem);color:var(--muted);max-width:60ch;margin-bottom:2.6rem}
h3{font-family:var(--serif);font-weight:500;font-size:1.3rem;margin-bottom:.7rem}

.philosophy{background:linear-gradient(180deg,transparent,rgba(8,9,12,.55) 40%,transparent)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.4rem,3vw,2.6rem);margin-top:1rem}
.pillar{border-top:1px solid var(--line);padding-top:1.4rem}
.pillar p{color:var(--muted);font-size:.96rem}

.work-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.2rem,2.6vw,2rem)}
.work-card{background:rgba(12,13,17,.55);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  backdrop-filter:blur(6px);transition:transform .35s,border-color .35s}
.work-card:hover{transform:translateY(-6px);border-color:var(--accent-dim)}
.work-card figure{aspect-ratio:1/1;overflow:hidden;background:var(--bg-soft)}
.work-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.work-card:hover img{transform:scale(1.05)}
.work-body{padding:1.5rem}
.work-meta{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:.8rem}
.work-body p:last-child{color:var(--muted);font-size:.94rem}

.service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(1.6rem,3vw,3rem);margin-top:1rem}
.service{border-top:1px solid var(--line);padding-top:1.5rem;display:flex;flex-direction:column}
.service-no{font-family:var(--sans);font-size:.8rem;letter-spacing:.2em;color:var(--accent);margin-bottom:1rem}
.service p{color:var(--muted);font-size:.98rem}

.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-top:1rem}
.contact-label{font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:.8rem}
.contact-link{font-family:var(--serif);font-size:clamp(1.1rem,2vw,1.5rem);color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:.2rem;transition:color .25s}
.contact-link:hover{color:var(--accent)}
.contact-text{color:var(--muted)}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:3rem 0;background:rgba(5,5,7,.7);backdrop-filter:blur(8px)}
.footer-inner{display:flex;flex-wrap:wrap;gap:1.6rem;justify-content:space-between;align-items:center}
.footer-brand p{color:var(--muted);font-size:.86rem;margin-top:.4rem}
.footer-nav{display:flex;gap:1.4rem}
.footer-nav a{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);transition:color .25s}
.footer-nav a:hover{color:var(--accent)}
.footer-fine{flex-basis:100%;color:var(--muted);font-size:.78rem;opacity:.7;border-top:1px solid var(--line);padding-top:1.4rem;margin-top:.4rem}

/* reveal */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s ease,transform .9s ease}
.reveal.in{opacity:1;transform:none}

@media(max-width:860px){
  .site-nav{gap:1rem}
  .site-nav a{font-size:.72rem;letter-spacing:.1em}
  .pillars,.work-grid,.service-list,.contact-grid{grid-template-columns:1fr}
  .brand-text em{display:none}
}
@media(max-width:560px){
  .site-header{padding:1rem 1.1rem}
  .site-nav a:nth-child(n+1){letter-spacing:.06em}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}