/* ============================================
   WGFilm | 蔚观文化
   Awwwards-level · Dark + Blue · Cinematic
   ============================================ */

/* ----- Variables ----- */
:root {
  --bg: #050508;
  --bg-alt: #080810;
  --bg-card: rgba(255,255,255,0.025);
  --bg-glass: rgba(8,8,16,0.7);

  --text: #eaeaef;
  --text-dim: #8888a0;
  --text-faint: #505068;

  --accent: #2962ff;
  --accent-dim: rgba(41,98,255,0.4);
  --accent-glow: rgba(41,98,255,0.12);

  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(255,255,255,0.14);

  --radius: 8px;
  --radius-lg: 16px;

  --font: 'Inter','Noto Sans SC',sans-serif;

  --nav-h: 68px;
  --max: 1320px;

  --ease-out: cubic-bezier(0.22,0.61,0.36,1);
  --ease-spring: cubic-bezier(0.34,1.56,0.64,1);
}

/* ----- Reset ----- */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:auto;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;overflow-x:hidden}
::selection{background:var(--accent);color:#fff}
a{color:inherit;text-decoration:none}
img,canvas{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ----- Scroll Progress ----- */
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;background:var(--accent);
  z-index:2000;width:0;transition:width 0.1s linear;border-radius:0 1px 1px 0;
}

/* ============================================
   Navigation
   ============================================ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:0 40px;transition:background 0.4s, border-color 0.4s;
}
.nav.scrolled{background:rgba(5,5,8,0.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border)}
.nav-inner{
  max-width:var(--max);margin:0 auto;height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{flex-shrink:0;display:flex;align-items:center}
.nav-logo-img{height:22px;width:auto;display:block}
.footer-logo-img{height:18px;width:auto;display:block;opacity:.7;margin-bottom:4px}
.nav-center{display:flex;gap:36px;align-items:center}
.nav-link{font-size:13px;font-weight:500;color:var(--text-dim);letter-spacing:1px;position:relative;padding:4px 0}
.nav-link span{display:block;position:relative}
.nav-link span::after{
  content:attr(data-text);position:absolute;left:0;top:0;color:var(--text);
  clip-path:inset(0 100% 0 0);transition:clip-path 0.35s var(--ease-out);
}
.nav-link:hover span::after,.nav-link:focus-visible span::after{clip-path:inset(0 0 0 0)}
.nav-link:hover{color:var(--text)}
.nav-cta{
  font-size:12px;font-weight:600;letter-spacing:1px;padding:8px 18px;
  background:var(--accent);color:#fff;border-radius:var(--radius);
  transition:background 0.25s,transform 0.25s,box-shadow 0.25s;flex-shrink:0;
}
.nav-cta:hover{background:#3d74ff;transform:translateY(-1px);box-shadow:0 6px 24px var(--accent-glow)}

/* Mobile */
.mobile-menu-btn{display:none;flex-direction:column;gap:5px;padding:8px;z-index:1001}
.mobile-menu-btn span{display:block;width:22px;height:1.5px;background:var(--text);border-radius:1px;transition:0.3s var(--ease-out)}
.mobile-menu-btn.active span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.mobile-menu-btn.active span:nth-child(2){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-menu{
  position:fixed;inset:0;z-index:999;background:rgba(5,5,8,0.96);
  backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity 0.4s;
}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu-inner{display:flex;flex-direction:column;align-items:center;gap:28px}
.mobile-link{font-size:26px;font-weight:700;color:var(--text-dim);letter-spacing:1px;transition:color 0.25s}
.mobile-link:hover{color:var(--accent)}

/* ============================================
   Hero
   ============================================ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;
  overflow:hidden;padding:100px 24px;
}
.hero-canvas{position:absolute;inset:0;z-index:0}
.hero-overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 60% 50% at 50% 40%,transparent 0%,rgba(5,5,8,.7) 100%),
             radial-gradient(ellipse at 30% 60%,rgba(41,98,255,.06) 0%,transparent 60%);
}
.hero-content{position:relative;z-index:10;text-align:center;max-width:960px}

/* Animated background logo */
.hero-logo-bg{
  position:absolute;z-index:5;bottom:15%;left:50%;
  transform:translate(-50%,0);
  pointer-events:none;
}
.hero-logo-large{width:clamp(800px,105vw,2000px);height:auto;display:block;opacity:.03;filter:blur(.5px)}
/* Glow layer — pulses independently at full opacity */
.hero-logo-glow{
  position:absolute;z-index:4;bottom:15%;left:50%;
  transform:translate(-50%,0);
  pointer-events:none;
  animation:heroLogoGlow 6s ease-in-out infinite;
}
.hero-logo-glow .hero-logo-large{opacity:1;filter:none}
@keyframes heroLogoGlow{
  0%,100%{opacity:0;filter:blur(60px)}
  50%{opacity:.2;filter:blur(18px)}
}
.hero-logo-top{
  width:clamp(90px,12vw,140px);height:auto;display:block;
  margin:0 auto 20px;opacity:.9;
}
.hero-label{
  font-size:11px;font-weight:600;letter-spacing:5px;color:var(--accent);
  margin-bottom:28px;text-transform:uppercase;
}
.hero-title{
  display:flex;flex-direction:column;gap:4px;margin-bottom:32px;
  font-size:clamp(48px,8vw,100px);font-weight:900;line-height:1.06;letter-spacing:-2px;
}
.hero-line-1,.hero-line-2{display:block}
.hero-line-3{display:block;background:linear-gradient(135deg,var(--accent) 0%,#7ba0ff 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(13px,1.3vw,16px);color:var(--text-faint);letter-spacing:.5px;margin-bottom:44px}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}

/* Buttons */
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;padding:14px 30px;
  background:var(--accent);color:#fff;border-radius:var(--radius);
  font-size:14px;font-weight:600;letter-spacing:.3px;
  transition:background 0.25s,transform 0.25s,box-shadow 0.25s;
}
.btn-primary:hover{background:#3d74ff;transform:translateY(-2px);box-shadow:0 10px 32px rgba(41,98,255,.25)}
.btn-line{
  display:inline-flex;align-items:center;padding:13px 30px;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);
  font-size:14px;font-weight:500;letter-spacing:.3px;color:var(--text-dim);
  transition:border-color 0.25s,color 0.25s,transform 0.25s;
}
.btn-line:hover{border-color:rgba(255,255,255,.35);color:var(--text);transform:translateY(-2px)}

/* ============================================
   Text Reveal
   ============================================ */
.reveal-text{
  opacity:0;transform:translateY(40px);
  transition:opacity 0.8s var(--ease-out),transform 0.8s var(--ease-out);
}
.reveal-text.visible{opacity:1;transform:translateY(0)}

/* ============================================
   About — Sticky + Scroll
   ============================================ */
.about{padding:120px 0 140px;position:relative}
.about::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(600px,60vw);height:1px;
  background:linear-gradient(90deg,transparent,var(--accent-dim),transparent);
}
.about-grid{
  max-width:var(--max);margin:0 auto;padding:0 40px;
  display:grid;grid-template-columns:1fr 1.4fr;gap:80px;align-items:start;
}
.about-sticky{position:sticky;top:100px}
.about-eyebrow{font-size:12px;font-weight:600;letter-spacing:3px;color:var(--accent);margin-bottom:16px}
.about-title{font-size:clamp(42px,5.5vw,72px);font-weight:900;line-height:1.05;letter-spacing:-2px;margin-bottom:40px}
.about-title-outline{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.25)}
.about-stats{display:flex;gap:32px;flex-wrap:wrap}
.astat{display:flex;flex-direction:column}
.astat-num{font-size:28px;font-weight:800;color:var(--accent);line-height:1}
.astat-label{font-size:11px;font-weight:500;color:var(--text-faint);letter-spacing:1px;margin-top:4px}

.about-scroll{display:flex;flex-direction:column;gap:28px}
.about-block{font-size:15px;line-height:1.85;color:var(--text-dim)}
.about-block strong{color:var(--text);font-weight:600}
.about-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.tag{
  padding:5px 14px;font-size:11px;font-weight:500;letter-spacing:.5px;
  color:var(--text-dim);border:1px solid var(--border);border-radius:100px;
  transition:border-color 0.25s,color 0.25s,background 0.25s;
}
.tag:hover{border-color:var(--accent-dim);color:#fff;background:var(--accent-glow)}

/* ============================================
   Works Horizontal Strip
   ============================================ */
.works-strip{padding:0 0 100px}
.works-strip-header{max-width:var(--max);margin:0 auto 40px;padding:0 40px}
.section-eyebrow{font-size:11px;font-weight:600;letter-spacing:4px;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.section-heading{font-size:clamp(32px,5vw,52px);font-weight:900;letter-spacing:-1px}

.strip-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;padding:0 40px 0;
  scroll-behavior:smooth;
}
.strip-track::-webkit-scrollbar{display:none}

.strip-card{
  flex:0 0 clamp(300px,40vw,560px);scroll-snap-align:start;
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  cursor:pointer;border:1px solid var(--border);
  transition:border-color 0.4s,transform 0.4s var(--ease-out);
}
.strip-card:hover{border-color:var(--accent-dim);transform:translateY(-4px)}
.strip-card-inner{position:relative;aspect-ratio:16/10;background:#000;overflow:hidden}
.strip-card-inner .poster-iframe-wrap{position:absolute;inset:0;z-index:0}
.strip-card-inner .poster-iframe{width:100%;height:100%;border:none}
.strip-card-inner .poster-bg{position:absolute;inset:0;z-index:0;background:var(--card-gradient,linear-gradient(135deg,#0a1628,#14203d))}
.strip-card-inner .poster-title-wrap{
  position:absolute;bottom:0;left:0;right:0;z-index:3;
  padding:40px 24px 20px;
  background:linear-gradient(0deg,rgba(0,0,0,.9) 0%,transparent 100%);
}
.strip-card-inner .poster-title{font-size:20px;font-weight:700;color:#fff;letter-spacing:.5px}
.strip-card-inner .poster-cat{font-size:10px;font-weight:600;letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:6px}
.strip-card-label{
  padding:14px 20px;font-size:12px;color:var(--text-faint);
  letter-spacing:.3px;display:flex;align-items:center;justify-content:space-between;
}

.strip-nav{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:32px}
.strip-arrow{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;color:var(--text-dim);
  transition:border-color 0.25s,color 0.25s,background 0.25s;
}
.strip-arrow:hover{border-color:var(--accent-dim);color:#fff;background:var(--accent-glow)}
.strip-dots{display:flex;gap:8px}
.strip-dot{width:8px;height:8px;border-radius:50%;background:var(--border);transition:background 0.3s;cursor:pointer}
.strip-dot.active{background:var(--accent)}

/* ============================================
   Works Masonry Grid
   ============================================ */
.works-grid-section{padding:0 40px 120px;max-width:var(--max);margin:0 auto}
.works-filter{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:48px}
.filter-btn{
  padding:7px 18px;font-size:12px;font-weight:500;letter-spacing:.5px;
  color:var(--text-faint);border:1px solid var(--border);border-radius:100px;
  transition:all 0.25s;
}
.filter-btn:hover{color:var(--text-dim);border-color:rgba(255,255,255,.2)}
.filter-btn.active{color:#fff;background:var(--accent);border-color:var(--accent)}

.works-masonry{columns:2;column-gap:20px}
.works-masonry .masonry-card{
  break-inside:avoid;margin-bottom:20px;
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--border);cursor:pointer;
  transition:border-color 0.4s,transform 0.4s var(--ease-out);
}
.works-masonry .masonry-card:hover{border-color:var(--accent-dim);transform:translateY(-4px)}
.masonry-card .masonry-visual{position:relative;overflow:hidden}
.masonry-card .masonry-visual.aspect-16-9{aspect-ratio:16/9}
.masonry-card .masonry-visual.aspect-4-3{aspect-ratio:4/3}
.masonry-card .poster-iframe-wrap{position:absolute;inset:0;z-index:0}
.masonry-card .poster-iframe{width:100%;height:100%;border:none}
.masonry-card .poster-bg{position:absolute;inset:0;z-index:0;background:var(--card-gradient)}
.masonry-card .masonry-overlay{
  position:absolute;bottom:0;left:0;right:0;z-index:3;
  padding:36px 20px 16px;
  background:linear-gradient(0deg,rgba(0,0,0,.9) 0%,transparent 100%);
}
.masonry-card .masonry-title{font-size:16px;font-weight:700;color:#fff;letter-spacing:.3px}
.masonry-card .masonry-cat{font-size:10px;font-weight:600;letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:4px}
.masonry-card .masonry-info{padding:14px 18px}
.masonry-card .masonry-desc{font-size:12px;color:var(--text-faint);line-height:1.5}

/* Play icon overlay */
.masonry-card .masonry-play,.strip-card .strip-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) scale(.85);
  z-index:4;width:52px;height:52px;border-radius:50%;
  background:rgba(0,0,0,.45);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.15);display:flex;align-items:center;justify-content:center;
  opacity:0;transition:opacity 0.35s,transform 0.35s var(--ease-out);pointer-events:none;
}
.masonry-card:hover .masonry-play,.strip-card:hover .strip-play{
  opacity:1;transform:translate(-50%,-50%) scale(1);
}

/* ============================================
   Contact
   ============================================ */
.contact{
  position:relative;min-height:100vh;display:flex;align-items:center;
  overflow:hidden;background:var(--bg-alt);
}
.contact-canvas{position:absolute;inset:0;z-index:0}
.contact-overlay{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(ellipse 60% 40% at 50% 50%,transparent 0%,rgba(5,5,8,.85) 100%),
             radial-gradient(ellipse at 20% 80%,rgba(41,98,255,.05) 0%,transparent 50%);
}
.contact-inner{position:relative;z-index:10;width:100%;max-width:var(--max);margin:0 auto;padding:100px 40px 40px}
.contact-head{margin-bottom:56px;text-align:center}
.contact-heading{font-size:clamp(40px,7vw,80px);font-weight:900;letter-spacing:-2px;line-height:1}
.contact-heading-outline{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.2)}
.contact-sub{font-size:15px;color:var(--text-faint);margin-top:12px;letter-spacing:.3px}
.contact-body{max-width:680px;margin:0 auto}

/* Float forms */
.contact-form{display:flex;flex-direction:column;gap:28px}
.form-row-duo{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.form-float{position:relative}
.form-float-input{
  width:100%;padding:12px 0 8px;background:transparent;border:none;border-radius:0;
  color:var(--text);font-family:var(--font);font-size:15px;outline:none;
  -webkit-appearance:none;-moz-appearance:none;
}
.form-float-input::placeholder{color:transparent}
.form-float-label{
  position:absolute;left:0;top:10px;font-size:15px;color:var(--text-faint);
  pointer-events:none;transition:all 0.25s var(--ease-out);
  transform-origin:left top;
}
.form-float-input:focus~.form-float-label,
.form-float-input:not(:placeholder-shown)~.form-float-label{
  transform:translateY(-22px) scale(.75);color:var(--accent);
}
.form-float-line{
  position:absolute;bottom:0;left:0;right:0;height:1px;background:var(--border);
  transition:background 0.3s;
}
.form-float-line::after{
  content:'';position:absolute;bottom:0;left:50%;width:0;height:1px;
  background:var(--accent);transition:all 0.35s var(--ease-out);
}
.form-float-input:focus~.form-float-line::after{left:0;width:100%}

.form-select{
  background-image:url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23505068' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 8px center;padding-right:28px;cursor:pointer;
}
.form-select option{background:var(--bg)}
.form-textarea{resize:none;min-height:auto;overflow:hidden}

/* Send button */
.btn-send{
  display:inline-flex;align-items:center;gap:10px;padding:14px 28px;
  background:var(--accent);color:#fff;border-radius:var(--radius);
  font-size:14px;font-weight:600;letter-spacing:.3px;align-self:flex-start;
  transition:background 0.25s,transform 0.25s,box-shadow 0.25s;
  overflow:hidden;position:relative;
}
.btn-send:hover{background:#3d74ff;transform:translateY(-2px);box-shadow:0 10px 32px rgba(41,98,255,.25)}
.btn-send-text{position:relative;z-index:2}
.btn-send-icon{position:relative;z-index:2;display:flex;transition:transform 0.25s}
.btn-send:hover .btn-send-icon{transform:translateX(4px)}

/* Contact meta */
.contact-meta{display:flex;gap:40px;margin-top:48px;padding-top:32px;border-top:1px solid var(--border);flex-wrap:wrap}
.contact-meta-item{display:flex;flex-direction:column;gap:2px}
.meta-label{font-size:10px;font-weight:600;letter-spacing:2px;color:var(--text-faint);text-transform:uppercase}
.meta-value{font-size:14px;color:var(--text-dim)}
a.meta-value:hover,.meta-link{color:var(--accent)}

/* Footer bar */
.footer-bar{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:60px;padding-top:24px;border-top:1px solid var(--border);
  flex-wrap:wrap;gap:12px;
}
.footer-copy{font-size:11px;color:var(--text-faint);letter-spacing:.3px}
.footer-left{display:flex;flex-direction:column;gap:2px}
.footer-beian{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.beian-item{display:flex;align-items:center;gap:6px}
.beian-ga-icon{width:14px;height:14px;display:block;flex-shrink:0}
.beian-link{
  font-size:11px;color:var(--text-faint);letter-spacing:.3px;
  transition:color 0.25s;
}
.beian-link:hover{color:var(--text-dim)}

/* ============================================
   Video Modal
   ============================================ */
.video-modal{
  position:fixed;inset:0;z-index:3000;display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;pointer-events:none;transition:opacity 0.35s;
}
.video-modal.open{opacity:1;pointer-events:auto}
.video-modal-backdrop{
  position:absolute;inset:0;background:rgba(0,0,0,.92);backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.video-modal-content{
  position:relative;width:100%;max-width:960px;background:var(--bg-alt);
  border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;
  transform:translateY(24px);transition:transform 0.4s var(--ease-out);
}
.video-modal.open .video-modal-content{transform:translateY(0)}
.video-modal-close{
  position:absolute;top:12px;right:12px;z-index:5;width:36px;height:36px;
  border-radius:50%;background:rgba(0,0,0,.5);backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);
  color:#fff;display:flex;align-items:center;justify-content:center;transition:background 0.2s;
}
.video-modal-close:hover{background:rgba(255,255,255,.15)}
.video-modal-title{padding:16px 24px;font-size:17px;font-weight:700;border-bottom:1px solid var(--border)}
.video-modal-embed{aspect-ratio:16/9;background:#000}
.video-modal-embed iframe{width:100%;height:100%;border:none}

/* Toast */
.toast{
  position:fixed;bottom:40px;left:50%;transform:translateX(-50%) translateY(100px);
  padding:12px 24px;background:var(--accent);color:#fff;border-radius:var(--radius);
  font-size:13px;font-weight:500;z-index:4000;opacity:0;
  transition:all 0.35s var(--ease-out);box-shadow:0 8px 28px rgba(41,98,255,.3);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ============================================
   Responsive
   ============================================ */
@media(max-width:1024px){
  .about-grid{grid-template-columns:1fr;gap:48px}
  .about-sticky{position:static}
  .works-masonry{columns:1}
}

@media(max-width:768px){
  .nav{padding:0 20px}
  .nav-center,.nav-cta{display:none}
  .mobile-menu-btn{display:flex}
  .hero{padding:80px 16px}
  .hero-actions{flex-direction:column;width:100%;max-width:260px;margin:0 auto}
  .btn-primary,.btn-line{width:100%;justify-content:center}
  .about-grid{padding:0 20px}
  .about-stats{gap:20px}
  .works-strip-header{padding:0 20px}
  .strip-track{padding:0 20px 0}
  .strip-card{flex:0 0 78vw}
  .works-grid-section{padding:0 20px 100px}
  .contact-inner{padding:80px 20px 32px}
  .form-row-duo{grid-template-columns:1fr}
  .contact-meta{gap:20px}
  .footer-beian{align-items:center}
}

@media(max-width:480px){
  .strip-card{flex:0 0 88vw}
}