/* Drama Vita — cinematic editorial system
   Palette: charcoal #0a0a0a / #101010, off-white #f2f5f2, signal red #E62A2B */
:root{
  --bg:#0a0a0a;
  --bg-raised:#101010;
  --ink:#f2f5f2;
  --ink-dim:#a8aaa4;
  --line:#2a2a28;
  --accent:#E62A2B;
  --serif:"Playfair Display",Georgia,"Times New Roman","Noto Serif CJK TC","Songti TC","PMingLiU",serif;
  --sans:"Switzer",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang TC","Microsoft JhengHei",sans-serif;
  --gutter:clamp(20px,4vw,64px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scrollbar-gutter:stable}
body{
  font-family:var(--sans);font-weight:400;font-size:16px;line-height:1.7;
  color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
::selection{background:var(--accent);color:var(--ink)}
.skip-link{position:fixed;left:16px;top:12px;z-index:100;background:var(--ink);color:var(--bg);padding:10px 16px;transform:translateY(-150%)}
.skip-link:focus{transform:translateY(0)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:4px;border-radius:2px}
img{display:block;max-width:100%}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.08;text-wrap:balance}
em{font-style:italic}
html[lang="zh-Hant"] em{font-style:normal}
.container{max-width:1360px;margin:0 auto;padding:0 var(--gutter)}

/* ---------- header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:50;
  transition:background .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{background:rgba(10,10,10,.92);border-color:var(--line);backdrop-filter:blur(12px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.wordmark{display:flex;align-items:center;flex:none}
.brand-logo{width:150px;height:auto;object-fit:contain}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{font-size:14px;font-weight:500;letter-spacing:.04em;color:var(--ink-dim);transition:color .2s ease;position:relative;padding:8px 0}
.main-nav a:hover,.main-nav a.active{color:var(--ink)}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent)}
.lang-toggle{
  display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;font-size:12px;letter-spacing:.06em;
}
.lang-toggle button{padding:8px 14px;color:var(--ink-dim);transition:color .2s ease,background .2s ease;min-height:36px}
.lang-toggle button[aria-pressed="true"]{background:var(--ink);color:var(--bg);font-weight:600}
.lang-toggle button:hover{color:var(--ink)}
.lang-toggle button[aria-pressed="true"]:hover{color:var(--bg)}
.nav-cta{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px}
.nav-cta svg{transition:transform .2s ease}
.nav-cta:hover svg{transform:translateX(4px)}
@media(max-width:860px){.main-nav a{display:none}.main-nav{gap:16px}}

/* ---------- hero ---------- */
.hero{min-height:min(860px,100dvh);display:flex;flex-direction:column;justify-content:center;position:relative;overflow:hidden;padding:132px 0 72px}
.hero-stage{position:absolute;inset:0;pointer-events:none;aria-hidden:true}
.hero-glow{position:absolute;width:70vw;height:70vw;right:-24vw;top:-30vw;border-radius:50%;
  background:radial-gradient(circle,rgba(230,42,43,.16) 0%,rgba(230,42,43,.05) 38%,transparent 68%);}
.hero-grain{position:absolute;inset:0;opacity:.5;
  background-image:radial-gradient(rgba(242,245,242,.05) 1px,transparent 1px);background-size:3px 3px;}
.hero-reel{position:absolute;right:7vw;top:50%;transform:translateY(-50%);width:clamp(230px,22vw,340px);aspect-ratio:9/16}
.hero-reel::before{content:"";position:absolute;inset:18%;z-index:-1;background:radial-gradient(circle,rgba(171,42,238,.2),rgba(39,108,255,.1) 42%,transparent 70%);filter:blur(28px)}
.hero-reel video{display:block;width:100%;height:100%;object-fit:contain}
.hero-frames{position:absolute;right:var(--gutter);top:12vh;display:flex;gap:18px;align-items:flex-start}
.hero-frames .frame{width:clamp(90px,11vw,170px);aspect-ratio:9/16;border:1px solid var(--line);position:relative;overflow:hidden;background:var(--bg-raised)}
.hero-frames .frame:nth-child(2){margin-top:56px}
.hero-frames .frame:nth-child(3){margin-top:112px}
.frame .poster{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:14px;gap:4px}
.frame .poster::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(10,10,10,.85) 100%)}
.frame .poster .p-scene{position:absolute;inset:0}
.frame .poster .p-title{position:relative;font-family:var(--serif);font-size:clamp(13px,1.3vw,19px);line-height:1.15;font-weight:600}
.frame .poster .p-tag{position:relative;font-size:9px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-dim)}
.scene-a{background:linear-gradient(160deg,#2b0d0d 0%,#0a0a0a 70%),radial-gradient(circle at 70% 20%,rgba(230,42,43,.5),transparent 60%)}
.scene-b{background:linear-gradient(200deg,#1d1a12 0%,#0a0a0a 75%)}
.scene-b::after{content:"";position:absolute;left:14%;top:16%;width:60%;aspect-ratio:1;border:1px solid rgba(242,245,242,.25);border-radius:50%}
.scene-c{background:linear-gradient(180deg,#101010 0%,#231012 100%)}
.scene-c::after{content:"";position:absolute;left:0;right:0;top:38%;height:1px;background:rgba(230,42,43,.6)}
.hero-content{position:relative;padding:0 var(--gutter);max-width:1000px}
.hero-kicker{font-size:12px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink-dim);margin-bottom:28px;display:flex;align-items:center;gap:14px}
.hero-kicker::before{content:"";width:34px;height:1px;background:var(--accent)}
.hero h1{font-size:clamp(44px,7.6vw,116px);font-weight:600;letter-spacing:-.01em}
.hero h1 .line{display:block}
.hero h1 em{color:var(--ink)}
.hero-sub{max-width:44ch;margin-top:28px;font-size:clamp(16px,1.4vw,19px);font-weight:300;color:var(--ink-dim)}
.hero-actions{margin-top:40px;display:flex;align-items:center;gap:36px;flex-wrap:wrap}
.hero-meta{margin-top:56px;padding-top:22px;border-top:1px solid var(--line);display:flex;gap:48px;flex-wrap:wrap}
.hero-meta div{font-size:13px;color:var(--ink-dim)}
.hero-meta strong{display:block;font-family:var(--serif);font-size:26px;font-weight:600;color:var(--ink);line-height:1.2}
@media(max-width:1000px){.hero-reel{opacity:.3;right:2vw}}
@media(max-width:900px){.hero-frames{opacity:.32;top:8vh}.hero-frames .frame:nth-child(3){display:none}}
@media(max-width:640px){
  .hero-frames,.hero-reel{display:none}
  .hero-meta{gap:28px}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:40px}
  .section-head .side{padding-bottom:0}
  .section-lead{margin-top:-16px;margin-bottom:40px}
  .hero-kicker{letter-spacing:.2em;line-height:1.6}
  .legal-body table{table-layout:fixed;font-size:12px}
  .legal-body th,.legal-body td{padding:10px 8px;overflow-wrap:anywhere}
}

/* word-by-word masked reveal (signature) */
.w{display:inline-block;overflow:hidden;vertical-align:bottom;padding-bottom:.08em;margin-bottom:-.08em}
.w>span{display:inline-block;transform:translateY(110%);opacity:0;
  transition:transform .8s cubic-bezier(.22,.61,.2,1),opacity .8s ease}
.revealed .w>span{transform:translateY(0);opacity:1}
.w:nth-child(1)>span{transition-delay:.05s}.w:nth-child(2)>span{transition-delay:.14s}
.w:nth-child(3)>span{transition-delay:.23s}.w:nth-child(4)>span{transition-delay:.32s}
.w:nth-child(5)>span{transition-delay:.41s}.w:nth-child(6)>span{transition-delay:.5s}
.w:nth-child(7)>span{transition-delay:.59s}.w:nth-child(8)>span{transition-delay:.68s}
.w:nth-child(9)>span{transition-delay:.77s}.w:nth-child(10)>span{transition-delay:.86s}

/* ---------- text-link CTA with animated arrow ---------- */
.link-arrow{display:inline-flex;align-items:center;gap:12px;font-weight:600;font-size:16px;position:relative;padding:10px 0}
.link-arrow::after{content:"";position:absolute;left:0;bottom:4px;height:2px;width:100%;background:var(--accent);transform-origin:left;transition:transform .25s ease}
.link-arrow:hover::after{transform:scaleX(.55)}
.link-arrow svg{transition:transform .25s ease}
.link-arrow:hover svg{transform:translateX(6px)}
.link-arrow.small{font-size:14px}
.link-arrow.plain::after{background:var(--line)}

/* ---------- sections ---------- */
.section{padding:clamp(72px,10vw,140px) 0;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:56px}
.section-head h2{font-size:clamp(30px,4vw,56px)}
.section-head .side{font-size:13px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-dim);padding-bottom:8px;white-space:nowrap}
.section-lead{max-width:56ch;color:var(--ink-dim);font-weight:300;font-size:18px;margin-top:-32px;margin-bottom:56px}

/* poster rail */
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:clamp(180px,20vw,260px);gap:24px;overflow-x:auto;padding-bottom:20px;scroll-snap-type:x mandatory}
.rail::-webkit-scrollbar{height:4px}.rail::-webkit-scrollbar-thumb{background:var(--line)}
.poster-card{scroll-snap-align:start;position:relative;aspect-ratio:9/16;overflow:hidden;background:var(--bg-raised);border:1px solid var(--line);display:flex;flex-direction:column;justify-content:flex-end;transition:border-color .25s ease}
.poster-card:hover{border-color:var(--ink-dim)}
.poster-card .art{position:absolute;inset:0}
.poster-card .caption{position:relative;padding:20px;display:flex;flex-direction:column;gap:6px;background:linear-gradient(180deg,transparent,rgba(10,10,10,.92) 45%)}
.poster-card .caption .genre{font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-dim)}
.poster-card .caption h3{font-size:22px}
.poster-card .caption .eps{font-size:12px;color:var(--ink-dim)}
.poster-card .badge{position:absolute;top:14px;left:14px;background:var(--accent);color:var(--ink);font-size:10px;font-weight:700;letter-spacing:.12em;padding:4px 8px}
.art-1{background:radial-gradient(circle at 30% 18%,rgba(230,42,43,.55),transparent 55%),linear-gradient(165deg,#331112,#0a0a0a 80%)}
.art-2{background:linear-gradient(190deg,#26221a 0%,#0a0a0a 78%)}
.art-2::after{content:"";position:absolute;right:-18%;top:12%;width:90%;aspect-ratio:1;border:1px solid rgba(242,245,242,.22);border-radius:50%}
.art-3{background:linear-gradient(150deg,#101010 20%,#2c1214 100%)}
.art-3::after{content:"";position:absolute;left:0;right:0;top:30%;height:2px;background:rgba(230,42,43,.55)}
.art-4{background:radial-gradient(circle at 78% 22%,rgba(242,245,242,.14),transparent 50%),linear-gradient(200deg,#1c1c1a,#0a0a0a)}
.art-5{background:linear-gradient(180deg,#2e0f10 0%,#101010 60%)}
.art-5::after{content:"";position:absolute;left:18%;bottom:26%;width:64%;height:1px;background:rgba(242,245,242,.3);box-shadow:0 -14px 0 rgba(242,245,242,.16),0 -28px 0 rgba(242,245,242,.08)}
.art-6{background:radial-gradient(circle at 50% 0%,rgba(230,42,43,.35),transparent 60%),linear-gradient(180deg,#141414,#0a0a0a)}

/* numbered principles list */
.principles{border-top:1px solid var(--line)}
.principle{display:grid;grid-template-columns:80px 1fr 1.2fr;gap:32px;padding:40px 0;border-bottom:1px solid var(--line);align-items:baseline}
.principle .num{font-family:var(--serif);font-size:20px;color:var(--accent)}
.principle h3{font-size:clamp(22px,2.4vw,32px)}
.principle p{color:var(--ink-dim);font-weight:300;max-width:52ch}
@media(max-width:760px){.principle{grid-template-columns:48px 1fr;gap:16px}.principle p{grid-column:2}}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.step{border-top:2px solid var(--ink);padding-top:24px}
.step .n{font-size:12px;letter-spacing:.24em;color:var(--ink-dim);text-transform:uppercase}
.step h3{font-size:24px;margin:14px 0 12px}
.step p{color:var(--ink-dim);font-weight:300;font-size:15px}
@media(max-width:760px){.steps{grid-template-columns:1fr;gap:32px}}

/* product screens supplied by the app design team */
.product-section{overflow:hidden}
.app-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,4vw,64px);align-items:start}
.app-feature{min-width:0}
.phone-shot{position:relative;aspect-ratio:750/1625;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:6px;border:1px solid #343643;border-radius:42px;background:linear-gradient(145deg,#242631,#090a0f 58%);box-shadow:0 28px 60px rgba(0,0,0,.38),0 0 0 1px rgba(255,255,255,.025)}
.phone-shot::after{content:"";position:absolute;inset:6px;border-radius:35px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);pointer-events:none}
.phone-shot img{width:100%;height:100%;object-fit:cover;border-radius:35px}
.app-feature figcaption{display:grid;grid-template-columns:36px 1fr;gap:16px;padding-top:24px;border-top:1px solid var(--line)}
.app-feature figcaption>span{font-family:var(--serif);color:var(--accent);font-size:18px}
.app-feature h3{font-size:26px;margin-bottom:8px}
.app-feature figcaption p{color:var(--ink-dim);font-weight:300;font-size:15px;max-width:32ch}
@media(max-width:760px){
  .app-gallery{grid-template-columns:1fr;gap:56px}
  .app-feature{display:grid;grid-template-columns:minmax(0,1.1fr) 1fr;gap:24px;align-items:center}
  .app-feature figcaption{align-self:end;padding-bottom:24px}
  .app-feature:nth-child(2) .phone-shot{order:2}
  .app-feature:nth-child(2) figcaption{grid-template-columns:28px 1fr}
}
@media(max-width:480px){
  .app-feature{display:block}
  .phone-shot{max-width:360px;margin:0 auto}
  .app-feature figcaption{margin-top:24px;padding-bottom:0}
}

/* download band */
.band{position:relative;border-top:1px solid var(--line);padding:clamp(80px,11vw,150px) 0;overflow:hidden}
.band h2{font-size:clamp(36px,5.4vw,80px);max-width:16ch}
.band .band-sub{margin-top:24px;color:var(--ink-dim);max-width:46ch;font-weight:300}
.band-actions{margin-top:40px;display:flex;gap:32px;flex-wrap:wrap;align-items:center}
.store-note{font-size:13px;color:var(--ink-dim)}
.band .hero-glow{right:-30vw;top:-40vw}

/* company / contact */
.company-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:64px}
.company-grid h2{font-size:clamp(28px,3.4vw,48px);margin-bottom:24px}
.company-grid p{color:var(--ink-dim);font-weight:300;max-width:52ch}
.facts{border-top:1px solid var(--line)}
.fact{display:grid;grid-template-columns:180px 1fr;gap:24px;padding:20px 0;border-bottom:1px solid var(--line);font-size:15px}
.fact dt{color:var(--ink-dim);font-size:12px;letter-spacing:.16em;text-transform:uppercase;padding-top:4px}
.fact dd{font-weight:400}
.fact dd a{border-bottom:1px solid var(--line);transition:border-color .2s ease}
.fact dd a:hover{border-color:var(--accent)}
@media(max-width:860px){.company-grid{grid-template-columns:1fr;gap:40px}.fact{grid-template-columns:1fr;gap:6px}}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:48px 0 40px}
.footer-top{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:40px}
.footer-links{display:flex;gap:28px;flex-wrap:wrap}
.footer-links a{font-size:13px;color:var(--ink-dim);transition:color .2s ease}
.footer-links a:hover{color:var(--ink)}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--ink-dim);letter-spacing:.04em}

/* ---------- legal pages ---------- */
.legal-hero{padding:170px 0 56px;border-bottom:1px solid var(--line)}
.legal-hero h1{font-size:clamp(36px,5vw,64px)}
.legal-hero .updated{margin-top:18px;font-size:13px;color:var(--ink-dim);letter-spacing:.08em}
.legal-body{padding:64px 0 96px;max-width:820px}
.legal-body h2{font-size:26px;margin:48px 0 16px}
.legal-body h3{font-family:var(--sans);font-size:17px;font-weight:600;margin:28px 0 10px}
.legal-body p,.legal-body li{color:var(--ink-dim);font-weight:300;font-size:16px;line-height:1.75;margin-bottom:14px;max-width:75ch}
.legal-body ul{padding-left:22px}
.legal-body li{margin-bottom:8px}
.legal-body strong{color:var(--ink);font-weight:600}
.legal-body a{border-bottom:1px solid var(--line)}
.legal-body a:hover{border-color:var(--accent)}
.legal-body table{width:100%;border-collapse:collapse;margin:20px 0 28px;font-size:14px}
.legal-body th{text-align:left;color:var(--ink);font-weight:600;padding:12px 14px;border-bottom:2px solid var(--line)}
.legal-body td{color:var(--ink-dim);padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top;font-weight:300}
.notice{border-left:2px solid var(--accent);padding:16px 20px;background:var(--bg-raised);margin:28px 0;font-size:15px;color:var(--ink-dim)}
.toc{font-size:14px;color:var(--ink-dim);margin-top:28px;display:flex;flex-wrap:wrap;gap:8px 20px}
.toc a{border-bottom:1px solid var(--line)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .w>span{transform:none;opacity:1}
}