*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg0:#030a1a; --bg1:#081b3a; --bg2:#0d2a5c;
  --accent:#38bdf8; --accent2:#0ea5e9; --accent3:#7dd3fc;
  --text:#e6f1ff; --muted:#94b4d8;
  --glass:rgba(14,30,65,.55);
  --border:rgba(125,211,252,.18);
}
html,body{height:100%}
body{
  font-family:"Inter","SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang HK","Noto Sans HK","Microsoft JhengHei",sans-serif;
  color:var(--text); background:var(--bg0); overflow-x:hidden; line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
html[lang="zh-HK"] body{font-family:"PingFang HK","Noto Sans HK","Microsoft JhengHei","Inter",-apple-system,sans-serif}
canvas#bg{position:fixed; inset:0; width:100%; height:100%; z-index:0; display:block}
.bg-overlay{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(1200px 800px at 15% 10%, rgba(56,189,248,.18), transparent 60%),
    radial-gradient(900px 700px at 90% 90%, rgba(14,165,233,.14), transparent 60%),
    linear-gradient(180deg, rgba(3,10,26,.2) 0%, rgba(3,10,26,.75) 100%);
}
main{position:relative; z-index:2}
a{color:inherit}

/* ============ NAV ============ */
nav{
  position:sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding:18px 6vw; backdrop-filter:blur(14px);
  background:linear-gradient(180deg, rgba(3,10,26,.85), rgba(3,10,26,.35));
  border-bottom:1px solid var(--border);
}
.logo{display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.5px; text-decoration:none; color:var(--text)}
.logo-mark{
  width:34px; height:34px; border-radius:9px;
  background:linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  display:grid; place-items:center; box-shadow:0 0 24px rgba(56,189,248,.45);
}
.logo-mark svg{width:20px; height:20px; fill:#041226}
.logo-text{font-size:15px}
.logo-text span{color:var(--accent3); font-weight:500}
.nav-right{display:flex; align-items:center; gap:20px}
.nav-links{display:flex; gap:26px; font-size:14px}
.nav-links a{color:var(--muted); text-decoration:none; transition:color .2s}
.nav-links a:hover, .nav-links a.active{color:var(--accent)}
.lang-toggle{
  display:flex; align-items:center; gap:2px; font-size:12.5px;
  background:var(--glass); border:1px solid var(--border);
  border-radius:999px; padding:3px; font-weight:600;
}
.lang-toggle button{
  background:transparent; color:var(--muted); border:0; cursor:pointer;
  padding:5px 11px; border-radius:999px; font:inherit;
  transition:background .2s, color .2s;
}
.lang-toggle button.active{
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#041226;
}
.nav-cta{
  padding:9px 18px; border-radius:999px; font-size:13px; font-weight:600;
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#041226; text-decoration:none;
  box-shadow:0 8px 24px -8px rgba(56,189,248,.6);
  transition:transform .15s;
}
.nav-cta:hover{transform:translateY(-1px)}
@media (max-width:720px){ .nav-links{display:none} }

section{padding:0 6vw}

/* ============ HERO ============ */
.hero{min-height:92vh; display:flex; flex-direction:column; justify-content:center; padding-top:60px; padding-bottom:60px}
.hero-sub{min-height:auto; padding-top:90px; padding-bottom:60px}
.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding:7px 14px; border-radius:999px; font-size:12.5px;
  background:var(--glass); border:1px solid var(--border);
  color:var(--accent3); letter-spacing:.3px; margin-bottom:22px; width:fit-content;
  animation:fadeUp .8s ease .1s backwards;
}
.pill::before{
  content:""; width:7px; height:7px; border-radius:50%;
  background:var(--accent); box-shadow:0 0 10px var(--accent);
  animation:pulse 1.8s ease-in-out infinite;
}
h1{
  font-size:clamp(42px, 7.2vw, 92px); line-height:1.02; letter-spacing:-.03em;
  font-weight:700; margin-bottom:24px; max-width:1100px;
  animation:fadeUp .9s ease .2s backwards;
}
.hero-sub h1{font-size:clamp(36px, 5.5vw, 68px)}
h1 .grad{
  background:linear-gradient(90deg, var(--accent3), var(--accent), #bae6fd);
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.sub{
  font-size:clamp(16px, 1.6vw, 20px); color:var(--muted);
  max-width:640px; margin-bottom:36px;
  animation:fadeUp 1s ease .35s backwards;
}
.cta-row{display:flex; gap:14px; flex-wrap:wrap; animation:fadeUp 1s ease .5s backwards}
.btn{
  padding:14px 26px; border-radius:12px; font-weight:600; font-size:15px;
  text-decoration:none; display:inline-flex; align-items:center; gap:10px;
  transition:transform .15s, box-shadow .2s;
}
.btn-primary{
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#041226;
  box-shadow:0 14px 38px -10px rgba(56,189,248,.55);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 18px 42px -8px rgba(56,189,248,.7)}
.btn-ghost{
  background:var(--glass); color:var(--text);
  border:1px solid var(--border); backdrop-filter:blur(10px);
}
.btn-ghost:hover{border-color:var(--accent)}

.stats{
  display:grid; grid-template-columns:repeat(4,1fr); gap:28px;
  margin-top:72px; padding-top:40px; border-top:1px solid var(--border);
  animation:fadeUp 1s ease .7s backwards;
}
.stat .n{font-size:clamp(28px, 3.4vw, 42px); font-weight:700; color:var(--accent3); letter-spacing:-.02em}
.stat .l{font-size:13px; color:var(--muted); margin-top:4px}
@media (max-width:720px){ .stats{grid-template-columns:repeat(2,1fr)} }

.section-head{text-align:center; margin:0 auto 54px; max-width:720px}
.section-head .eyebrow{
  font-size:12.5px; letter-spacing:.25em; color:var(--accent);
  text-transform:uppercase; margin-bottom:14px;
}
h2{
  font-size:clamp(32px, 4.4vw, 52px); font-weight:700;
  letter-spacing:-.02em; line-height:1.1; margin-bottom:16px;
}
.section-sub{color:var(--muted); font-size:17px}

/* ============ SHOWCASE ============ */
.showcase{padding:90px 6vw 40px}
.showcase-head{max-width:720px; margin:0 auto 42px; text-align:center}
.showcase-head .eyebrow{font-size:12.5px; letter-spacing:.25em; color:var(--accent); text-transform:uppercase; margin-bottom:14px}
.showcase-head h2{margin-bottom:14px}
.showcase-head p{color:var(--muted); font-size:17px}
.showcase-grid{display:grid; gap:14px; grid-template-columns:repeat(12,1fr); grid-auto-rows:200px}
.tile{
  position:relative; border-radius:20px; overflow:hidden;
  border:1px solid var(--border); background:#000; text-decoration:none; color:inherit;
  transition:transform .4s cubic-bezier(.2,.7,.2,1), border-color .3s;
}
.tile img, .tile video{
  width:100%; height:100%; object-fit:cover; display:block;
  transition:transform .8s cubic-bezier(.2,.7,.2,1), filter .4s;
  filter:saturate(1.05) contrast(1.02);
}
.tile:hover{transform:translateY(-3px); border-color:rgba(56,189,248,.45)}
.tile:hover img, .tile:hover video{transform:scale(1.05)}
.tile::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:linear-gradient(180deg, rgba(3,10,26,0) 40%, rgba(3,10,26,.9) 100%);
}
.tile .cap{position:absolute; left:22px; right:22px; bottom:18px; z-index:2; color:var(--text)}
.tile .cap .t{font-size:17px; font-weight:600; letter-spacing:-.01em; margin-bottom:4px}
.tile .cap .s{font-size:11.5px; color:var(--accent3); letter-spacing:.22em; text-transform:uppercase}
.t-8x2{grid-column:span 8; grid-row:span 2}
.t-6x1{grid-column:span 6; grid-row:span 1}
.t-4x1{grid-column:span 4; grid-row:span 1}
@media (max-width:900px){
  .showcase-grid{grid-template-columns:repeat(6,1fr); grid-auto-rows:180px}
  .t-8x2{grid-column:span 6; grid-row:span 2}
  .t-6x1{grid-column:span 6}
  .t-4x1{grid-column:span 3}
}
@media (max-width:560px){
  .showcase-grid{grid-template-columns:1fr; grid-auto-rows:200px}
  .t-8x2,.t-6x1,.t-4x1{grid-column:span 1; grid-row:span 1}
  .t-8x2{grid-row:span 2; min-height:340px}
}

/* ============ SERVICES ============ */
.services{padding:120px 6vw 100px}
.grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); gap:20px}
.card{
  position:relative; padding:30px 28px; border-radius:18px;
  background:linear-gradient(160deg, rgba(14,30,65,.7), rgba(8,20,45,.5));
  border:1px solid var(--border); backdrop-filter:blur(14px);
  overflow:hidden; transition:transform .3s, border-color .3s;
}
.card::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(400px 200px at var(--mx,50%) var(--my,0%), rgba(56,189,248,.12), transparent 60%);
  opacity:0; transition:opacity .3s;
}
.card:hover{transform:translateY(-4px); border-color:rgba(56,189,248,.4)}
.card:hover::before{opacity:1}
.card-icon{
  width:46px; height:46px; border-radius:12px; display:grid; place-items:center;
  background:linear-gradient(135deg, rgba(56,189,248,.2), rgba(14,165,233,.1));
  border:1px solid rgba(56,189,248,.3); margin-bottom:20px;
}
.card-icon svg{width:22px; height:22px; fill:var(--accent)}
.card h3{font-size:19px; margin-bottom:10px; letter-spacing:-.01em}
.card p{color:var(--muted); font-size:14.5px}

/* ============ PROCESS ============ */
.process{padding:100px 6vw}
.steps{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px}
.step{padding:28px 24px; border-radius:16px; background:var(--glass); border:1px solid var(--border); position:relative}
.step .num{font-size:13px; color:var(--accent); font-weight:700; letter-spacing:.2em; margin-bottom:14px}
.step h4{font-size:17px; margin-bottom:8px}
.step p{color:var(--muted); font-size:14px}

/* ============ TESTIMONIALS ============ */
.testimonials{padding:100px 6vw}
.quote-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:20px; max-width:1200px; margin:0 auto}
.quote{
  padding:36px 32px; border-radius:20px; position:relative;
  background:linear-gradient(160deg, rgba(14,30,65,.75), rgba(8,20,45,.55));
  border:1px solid var(--border); backdrop-filter:blur(14px);
}
.quote::before{
  content:"\201C"; position:absolute; top:-6px; left:22px;
  font-size:90px; line-height:1; color:var(--accent); opacity:.35;
  font-family:Georgia,serif;
}
.quote p{color:var(--text); font-size:16px; line-height:1.6; margin-bottom:22px; position:relative; z-index:1}
.quote .who{display:flex; align-items:center; gap:12px}
.quote .who .av{
  width:42px; height:42px; border-radius:50%;
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#041226; display:grid; place-items:center; font-weight:700; font-size:15px;
}
.quote .who .nm{font-size:14.5px; font-weight:600}
.quote .who .rl{font-size:12.5px; color:var(--muted)}
.stars{color:var(--accent); letter-spacing:2px; font-size:13px; margin-bottom:12px}

/* ============ CONTACT ============ */
.contact{padding:120px 6vw 100px; text-align:center}
.contact-card{
  max-width:760px; margin:0 auto; padding:56px 40px; border-radius:24px;
  background:linear-gradient(160deg, rgba(14,30,65,.8), rgba(8,20,45,.6));
  border:1px solid var(--border); backdrop-filter:blur(20px);
  box-shadow:0 30px 80px -20px rgba(0,0,0,.5);
}
.contact h2{margin-bottom:18px}
.contact p{color:var(--muted); margin-bottom:32px; font-size:17px}
.contact-row{display:flex; gap:14px; justify-content:center; flex-wrap:wrap}

/* ============ ABOUT / TEAM ============ */
.about-hero{padding:90px 6vw 60px; max-width:1080px; margin:0 auto}
.about-body{padding:20px 6vw 80px; max-width:880px; margin:0 auto; color:var(--muted); font-size:17px}
.about-body h3{color:var(--text); font-size:24px; margin:40px 0 14px; letter-spacing:-.01em}
.about-body p{margin-bottom:16px}
.values{padding:80px 6vw; max-width:1200px; margin:0 auto}
.values-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:20px; margin-top:30px}
.value{padding:28px; border-radius:16px; background:var(--glass); border:1px solid var(--border)}
.value .icn{color:var(--accent); font-size:22px; margin-bottom:12px}
.value h4{font-size:17px; margin-bottom:8px}
.value p{color:var(--muted); font-size:14px}
.team{padding:80px 6vw 120px; max-width:1200px; margin:0 auto}
.team-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; margin-top:40px}
.member{
  padding:32px 24px; border-radius:18px; text-align:center;
  background:linear-gradient(160deg, rgba(14,30,65,.7), rgba(8,20,45,.5));
  border:1px solid var(--border);
}
.member .av{
  width:90px; height:90px; border-radius:50%; margin:0 auto 16px;
  background:linear-gradient(135deg, var(--accent), var(--accent2));
  color:#041226; display:grid; place-items:center;
  font-size:32px; font-weight:700; letter-spacing:-.02em;
  box-shadow:0 12px 30px -10px rgba(56,189,248,.5);
}
.member h4{font-size:16px; margin-bottom:4px}
.member .role{font-size:13px; color:var(--accent3); margin-bottom:10px; letter-spacing:.1em; text-transform:uppercase}
.member p{color:var(--muted); font-size:13.5px}

/* ============ PROJECTS INDEX + DETAIL ============ */
.projects-index{padding:40px 6vw 100px}
.proj-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:20px}
.proj-card{
  position:relative; border-radius:20px; overflow:hidden;
  border:1px solid var(--border); aspect-ratio:4/3;
  text-decoration:none; color:inherit; display:block;
  transition:transform .35s, border-color .3s;
}
.proj-card img{width:100%; height:100%; object-fit:cover; transition:transform .8s cubic-bezier(.2,.7,.2,1)}
.proj-card::after{content:""; position:absolute; inset:0; background:linear-gradient(180deg, rgba(3,10,26,0) 40%, rgba(3,10,26,.92) 100%)}
.proj-card .meta{position:absolute; left:26px; right:26px; bottom:22px; z-index:2}
.proj-card .meta .s{font-size:11.5px; letter-spacing:.22em; color:var(--accent3); text-transform:uppercase; margin-bottom:6px}
.proj-card .meta .t{font-size:22px; font-weight:600; letter-spacing:-.01em; margin-bottom:8px}
.proj-card .meta .d{font-size:14px; color:var(--muted)}
.proj-card:hover{transform:translateY(-4px); border-color:rgba(56,189,248,.45)}
.proj-card:hover img{transform:scale(1.05)}

.proj-hero{padding:40px 6vw 10px; max-width:1200px; margin:0 auto}
.proj-hero .crumb{font-size:13px; color:var(--muted); margin-bottom:20px}
.proj-hero .crumb a{color:var(--accent3); text-decoration:none}
.proj-hero .eyebrow{font-size:12.5px; letter-spacing:.25em; color:var(--accent); text-transform:uppercase; margin-bottom:14px}
.proj-hero h1{font-size:clamp(32px,5vw,60px); margin-bottom:18px}
.proj-hero .lede{font-size:clamp(16px,1.4vw,18px); color:var(--muted); max-width:720px}
.proj-feature{padding:40px 6vw; max-width:1400px; margin:0 auto}
.proj-feature img{width:100%; border-radius:22px; border:1px solid var(--border)}
.proj-facts{padding:40px 6vw; max-width:1200px; margin:0 auto}
.facts-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:20px}
.fact{padding:24px; border-radius:14px; background:var(--glass); border:1px solid var(--border)}
.fact .k{font-size:11.5px; color:var(--accent3); letter-spacing:.2em; text-transform:uppercase; margin-bottom:8px}
.fact .v{font-size:16px; color:var(--text)}
.proj-body{padding:40px 6vw 20px; max-width:780px; margin:0 auto; color:var(--muted); font-size:17px}
.proj-body h3{color:var(--text); font-size:22px; margin:32px 0 12px; letter-spacing:-.01em}
.proj-body p{margin-bottom:16px}
.proj-body ul{margin:0 0 16px 22px}
.proj-body li{margin-bottom:6px}
.proj-gallery{padding:40px 6vw 80px; max-width:1400px; margin:0 auto}
.proj-gallery-grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:14px}
.proj-gallery-grid img{width:100%; aspect-ratio:3/2; object-fit:cover; border-radius:16px; border:1px solid var(--border)}

/* ============ FOOTER ============ */
footer{
  padding:40px 6vw; border-top:1px solid var(--border);
  color:var(--muted); font-size:13px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:16px;
  background:rgba(3,10,26,.6); backdrop-filter:blur(10px);
}
footer a{color:var(--muted); text-decoration:none; margin-left:20px}
footer a:hover{color:var(--accent)}

@keyframes pulse{ 0%,100%{opacity:1; transform:scale(1)} 50%{opacity:.4; transform:scale(1.3)} }
@keyframes fadeUp{ from{opacity:0; transform:translateY(22px)} to{opacity:1; transform:translateY(0)} }
@media (prefers-reduced-motion: reduce){ *{animation:none !important; transition:none !important} }