*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#050505;--bg2:#080808;--footer:#0a0a0a;--green:#10c366;
  --white:#fff;--gray:#808080;
  --f:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}
html{scroll-behavior:smooth}
body{font-family:var(--f);font-weight:300;line-height:1.7;color:var(--white);background:var(--bg);overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{text-decoration:none;color:inherit}

/* ===== LOADER ===== */
#loader{position:fixed;inset:0;z-index:9999;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;transition:opacity .5s,visibility .5s}
#loader.done{opacity:0;visibility:hidden;pointer-events:none}
.loader-text{font-family:var(--f);font-size:1.8rem;letter-spacing:6px;font-weight:300;margin-bottom:20px}
.loader-bar{width:90px;height:1px;background:rgba(255,255,255,.06);overflow:hidden}
.loader-fill{width:0;height:100%;background:var(--green);animation:loadFill 1.2s ease forwards}
@keyframes loadFill{0%{width:0}60%{width:70%}100%{width:100%}}

/* ===== 3D WORLD ===== */
#world{position:fixed;inset:0;z-index:0}

/* ===== NAV ===== */
#nav{position:fixed;top:0;left:0;width:100%;z-index:200;height:64px;padding:0 40px;display:flex;align-items:center;justify-content:space-between;transition:background .4s,backdrop-filter .4s}
#nav.scrolled{background:rgba(5,5,5,.9);backdrop-filter:blur(20px)}
.nav-logo{font-family:var(--f);font-size:1.2rem;letter-spacing:4px;font-weight:300}
.nav-links{display:flex;gap:32px}
.nav-links a{font-size:.8rem;letter-spacing:1.5px;color:rgba(255,255,255,.45);transition:color .3s;position:relative}
.nav-links a:hover{color:var(--green)}
.nav-links a::after{content:'';position:absolute;bottom:-3px;left:0;width:0;height:1px;background:var(--green);transition:width .3s}
.nav-links a:hover::after{width:100%}
.menu-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:20px;height:1px;background:var(--white);transition:.3s}
.menu-btn.active span:first-child{transform:rotate(45deg) translate(3px,3px)}
.menu-btn.active span:last-child{transform:rotate(-45deg) translate(3px,-3px)}
.mobile-nav{position:fixed;top:64px;left:0;width:100%;background:rgba(5,5,5,.96);backdrop-filter:blur(20px);padding:28px 40px;display:flex;flex-direction:column;gap:20px;transform:translateY(-100%);opacity:0;transition:.35s;z-index:199;pointer-events:none}
.mobile-nav.open{transform:translateY(0);opacity:1;pointer-events:all}
.mobile-nav a{font-size:1.1rem;color:rgba(255,255,255,.55)}

/* ===== ZONES ===== */
.zone{position:relative;z-index:10;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:0 40px}
.z-content{width:100%;max-width:1100px;position:relative;z-index:2;text-shadow:0 2px 20px rgba(0,0,0,.6),0 0 40px rgba(0,0,0,.3)}
.z-content.narrow{max-width:900px}
.z-content.center{text-align:center}

/* ===== HERO ===== */
.zone-hero{min-height:100vh}
.z-label{font-size:.75rem;letter-spacing:3px;color:var(--green);margin-bottom:20px;font-weight:400}
.z-title{font-family:var(--f);font-size:clamp(4rem,9vw,8rem);font-weight:300;line-height:1.05;letter-spacing:-2px;margin-bottom:24px}
.z-title span{display:block}
.z-title .green{color:var(--green)}.z-title .italic{font-style:italic}
.z-sub{font-size:1.15rem;color:rgba(255,255,255,.45);line-height:1.8;max-width:460px;margin-bottom:48px;font-weight:300}
.z-cta{display:flex;gap:16px;flex-wrap:wrap}
.btn-fill{padding:16px 40px;font-size:.85rem;letter-spacing:2px;border-radius:100px;background:var(--green);color:var(--bg);font-weight:400;transition:all .4s;display:inline-flex;white-space:nowrap}
.btn-fill:hover{background:#0db55c;transform:translateY(-2px);box-shadow:0 12px 40px rgba(16,195,102,.25)}
.btn-outline{padding:16px 40px;font-size:.85rem;letter-spacing:2px;border-radius:100px;color:var(--white);border:1px solid rgba(255,255,255,.22);transition:all .4s;display:inline-flex;white-space:nowrap}
.btn-outline:hover{border-color:var(--green);color:var(--green);background:rgba(16,195,102,.06)}

/* ===== STATS ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-box{text-align:center;padding:24px 0}
.stat-num{font-family:var(--f);font-size:clamp(3rem,6vw,5rem);font-weight:300;line-height:1;color:var(--white)}
.stat-num .plus{color:var(--green);font-size:.55em;margin-left:2px}
.stat-label{font-size:.8rem;color:var(--gray);letter-spacing:1px;margin-top:12px;line-height:1.6;font-weight:300}

/* ===== ABOUT ===== */
.about-single{max-width:720px}
.about-title{font-size:clamp(1.5rem,2.5vw,2rem);font-weight:400;line-height:1.8;margin-bottom:28px}
.about-body{display:flex;flex-direction:column;gap:18px;margin-bottom:36px}
.about-body p{font-size:1.05rem;color:rgba(255,255,255,.5);line-height:2}
.about-body strong{color:rgba(255,255,255,.85);font-weight:400}
.client-row{display:flex;flex-wrap:wrap;gap:10px 16px;padding-top:32px;border-top:1px solid rgba(255,255,255,.08)}
.client-row span{font-size:1.1rem;color:rgba(255,255,255,.35);transition:color .3s;cursor:default;font-weight:300}
.client-row span:hover{color:var(--green)}

/* ===== SERVICES ===== */
.sec-tag{font-size:.75rem;letter-spacing:3px;color:var(--green);margin-bottom:16px;font-weight:400}
.sec-title{font-family:var(--f);font-size:clamp(2.4rem,4.5vw,3.6rem);font-weight:300;line-height:1.15;margin-bottom:52px}
.svc-list{display:flex;flex-direction:column;border-top:1px solid rgba(255,255,255,.06)}
.svc-item{display:flex;align-items:flex-start;gap:28px;padding:30px 0;border-bottom:1px solid rgba(255,255,255,.06);position:relative;transition:padding-left .3s}
.svc-item::before{content:'';position:absolute;left:0;top:0;width:0;height:100%;background:rgba(16,195,102,.02);transition:width .4s}
.svc-item:hover{padding-left:10px}.svc-item:hover::before{width:100%}
.svc-num{font-size:.85rem;color:rgba(255,255,255,.2);transition:color .3s;flex-shrink:0;min-width:28px;font-weight:300}
.svc-item:hover .svc-num{color:var(--green)}
.svc-item h3{font-size:1.25rem;font-weight:400;margin-bottom:8px;transition:color .3s}
.svc-item:hover h3{color:var(--green)}
.svc-item p{font-size:.95rem;color:rgba(255,255,255,.4);line-height:1.8;font-weight:300}

/* ===== WORKS ===== */
.zone-works{min-height:100vh;position:relative;padding:80px 0}
.works-head{padding:0 40px;margin-bottom:28px}
.works-viewport{width:100%;overflow:hidden;padding:12px 0}
.works-track{display:flex;gap:18px;will-change:transform;padding-left:40px;padding-right:40px}
.w-card{flex-shrink:0;width:280px;height:400px;border-radius:4px;background-size:cover;background-position:center;position:relative;overflow:hidden;transition:transform .4s ease,box-shadow .4s ease}
.w-card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(0,0,0,.45)}
.w-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,5,5,.88) 100%)}
.w-info{position:absolute;bottom:0;left:0;right:0;padding:24px;z-index:2}
.w-cat{display:inline-block;font-size:.6rem;letter-spacing:2px;text-transform:uppercase;color:var(--green);margin-bottom:8px}
.w-info h3{font-size:1.4rem;font-weight:300;line-height:1.2;margin-bottom:8px}
.w-info p{font-size:.78rem;color:rgba(255,255,255,.4);line-height:1.6}
.scroll-hint{font-size:.7rem;color:rgba(255,255,255,.2);letter-spacing:2px;text-align:center;padding:20px 0 0}

/* ===== PROCESS ===== */
.proc-list{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.proc-card{padding:40px 32px;border:1px solid rgba(255,255,255,.06);position:relative;overflow:hidden;transition:all .5s}
.proc-glow{position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,var(--green),transparent 70%);opacity:0;transition:opacity .4s}
.proc-card:hover{border-color:rgba(16,195,102,.1);background:rgba(16,195,102,.01);transform:translateY(-5px)}
.proc-card:hover .proc-glow{opacity:1}
.proc-num{font-size:2.6rem;font-weight:300;color:rgba(255,255,255,.05);line-height:1;margin-bottom:16px;transition:color .4s}
.proc-card:hover .proc-num{color:rgba(16,195,102,.15)}
.proc-card h3{font-size:1.15rem;font-weight:400;margin-bottom:12px}
.proc-card p{font-size:.9rem;color:rgba(255,255,255,.38);line-height:1.9;font-weight:300}

/* ===== CONTACT ===== */
.zone-contact{min-height:100vh}
.contact-title{font-size:clamp(2.6rem,5vw,4rem);font-weight:300;line-height:1.15;margin-bottom:16px}
.contact-sub{font-size:1.05rem;color:rgba(255,255,255,.38);margin-bottom:40px;font-weight:300}
.contact-email{display:inline-block;font-size:clamp(1.4rem,2.5vw,1.8rem);font-weight:300;color:var(--green);letter-spacing:1px;padding-bottom:6px;border-bottom:1px solid rgba(16,195,102,.25);transition:all .4s;margin-bottom:44px}
.contact-email:hover{border-color:var(--green);color:#12e075}
.contact-divider{width:40px;height:1px;background:rgba(255,255,255,.06);margin:0 auto 28px}
.contact-meta{display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.3);font-weight:300}
.contact-meta .dot{color:rgba(255,255,255,.1)}

/* ===== SCROLL REVEAL ===== */
.sr{opacity:0;transform:translateY(40px);transition:opacity .8s cubic-bezier(.19,1,.22,1),transform .8s cubic-bezier(.19,1,.22,1)}
.sr.vis{opacity:1;transform:translateY(0)}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
  .nav-links{display:none}.menu-btn{display:flex}
  .zone{padding:0 24px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .proc-list{grid-template-columns:1fr}
  .contact-meta .dot{display:none}
  .svc-item{flex-direction:column;gap:8px}
  .works-head{padding:0 24px}
  .works-track{padding-left:24px;padding-right:24px;gap:14px}
  .w-card{width:220px;height:320px}
  .w-info{padding:18px}
  .w-info h3{font-size:1.15rem}
}
@media(max-width:600px){
  .stats-grid{grid-template-columns:1fr;gap:8px}
  .z-title{font-size:2.8rem}
  .w-card{width:180px;height:260px}
  .w-info h3{font-size:1rem}
  .w-info p{font-size:.72rem}
  .zone-works{padding:60px 0}
}