/* ================= SILICA HOLLOW 矽墟 ================= */
:root{
  /* Endfield bright — warm off-white industrial */
  --bg:#e8e6df;            /* warm off-white base */
  --bg-2:#deddd2;          /* slightly deeper warm */
  --panel:#f4f2ea;         /* light card surface */
  --panel-2:#eae8dd;
  --line:#cbc8ba;          /* warm hairline */
  --text:#1a1c19;          /* near-black warm ink */
  --muted:#6b6d62;         /* warm grey */
  --accent:#e6b800;        /* amber (primary) */
  --accent-2:#f2c320;
  --tech:#009e6a;          /* green (secondary) */
  --amber:#c8860a;
  --edge:rgba(0,158,106,.4);
  --fontEN:'Chakra Petch',sans-serif;
  --fontTC:'Noto Sans TC',sans-serif;
  --fontSerif:'Noto Serif TC',serif;
  --maxw:1240px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--fontTC);
  background:var(--bg);
  color:var(--text);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  line-height:1.6;
  -webkit-tap-highlight-color:transparent;
}
body.nav-open{overflow:hidden}
.btn,.nav a,.nav-cta,.menu-btn,.pre-form button{touch-action:manipulation}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#fff}

/* ---------- WebGL (hero-only) + overlays ---------- */
#webgl-container{position:absolute;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.grid-overlay{
  position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.28;
  background-image:
    linear-gradient(rgba(0,158,106,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,158,106,.04) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 50% 32%,#000 0%,transparent 62%);
}
.scanlines{
  position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.35;mix-blend-mode:overlay;
  background:repeating-linear-gradient(0deg,rgba(0,0,0,.4) 0 1px,transparent 1px 3px);
}
.vignette{position:fixed;inset:0;z-index:3;pointer-events:none;
  background:radial-gradient(ellipse at 50% 45%,transparent 45%,rgba(0,0,0,.55) 100%)}
.noise{position:fixed;inset:0;z-index:3;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- loader ---------- */
#loader{position:fixed;inset:0;z-index:100;background:var(--bg);
  display:flex;align-items:center;justify-content:center;transition:opacity .8s ease,visibility .8s}
#loader.done{opacity:0;visibility:hidden}
.loader-inner{width:min(360px,72vw);text-align:center;font-family:var(--fontEN)}
.loader-code{font-size:12px;letter-spacing:.28em;color:var(--tech);margin-bottom:16px}
.loader-bar{height:2px;background:var(--line);overflow:hidden}
.loader-bar span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--tech),var(--accent))}
.loader-pct{margin-top:12px;font-size:12px;letter-spacing:.3em;color:var(--muted)}

/* ---------- header ---------- */
#site-header{position:fixed;top:0;left:0;right:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px clamp(20px,4vw,52px);
  mix-blend-mode:difference;transition:transform .4s ease}
#site-header.hide{transform:translateY(-110%)}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:38px;height:38px;display:grid;place-items:center;
  font-family:var(--fontSerif);font-weight:900;font-size:20px;color:#fff;
  border:1px solid var(--edge);background:rgba(0,158,106,.08);
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%)}
.brand-name{font-family:var(--fontEN);font-weight:700;font-size:17px;letter-spacing:.06em;line-height:1;color:#fff}
.brand-name em{display:block;font-style:normal;font-size:9px;letter-spacing:.32em;color:#fff;opacity:.7;margin-top:3px}
.nav{display:flex;align-items:center;gap:30px;font-family:var(--fontEN);font-size:13px;letter-spacing:.08em;color:#fff}
.nav a{opacity:.82;transition:opacity .2s,color .2s;position:relative}
.nav a:hover{opacity:1}
.nav a::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:1px;background:#fff;transition:width .25s}
.nav a:hover::after{width:100%}
.nav-cta{padding:8px 16px;border:1px solid #fff;opacity:1!important}
.nav-cta::after{display:none}
.menu-btn{display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;margin:-11px -11px -11px 0;background:none;border:0;cursor:pointer;z-index:60}
.menu-btn span{width:24px;height:2px;background:#fff;transition:transform .3s ease,opacity .2s ease}
.menu-btn.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-btn.active span:nth-child(2){opacity:0}
.menu-btn.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- layout ---------- */
.content-container{position:relative;z-index:10}
.section{position:relative;padding:clamp(90px,12vh,150px) clamp(20px,5vw,64px);max-width:var(--maxw);margin:0 auto}
.section-index{font-family:var(--fontEN);font-size:12px;letter-spacing:.35em;color:var(--tech);margin-bottom:28px;
  display:flex;align-items:center;gap:12px}
.section-index::before{content:'';width:40px;height:1px;background:var(--tech);opacity:.6}
.eyebrow{font-family:var(--fontEN);font-size:12px;letter-spacing:.24em;color:var(--muted);
  display:inline-flex;align-items:center;gap:10px;text-transform:uppercase}
.eyebrow.center{justify-content:center}
.tick{width:7px;height:7px;background:var(--accent);box-shadow:0 0 10px var(--accent);
  clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.sec-title{font-family:var(--fontSerif);font-weight:900;font-size:clamp(34px,5.5vw,66px);line-height:1.02;letter-spacing:.02em}
.sec-title.center{text-align:center}
.accent{color:var(--accent);text-shadow:0 0 28px rgba(230,184,0,.45)}
.muted{color:var(--muted)}
.hl{color:var(--tech)}

/* ---------- hero ---------- */
.hero{min-height:100vh;min-height:100svh;display:flex;flex-direction:column;justify-content:center;max-width:none;
  padding-left:clamp(20px,7vw,120px);padding-right:clamp(20px,7vw,120px)}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;
  opacity:.3;mask-image:linear-gradient(180deg,transparent,#000 30%,#000 60%,transparent);
  filter:saturate(.85) contrast(1.05)}
.hero::after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(90deg,var(--bg) 0%,rgba(7,9,11,.55) 42%,rgba(7,9,11,.08) 72%,transparent 100%)}
.hero-copy{position:relative;z-index:3;max-width:760px}
.hero-hud,.scroll-cue{z-index:3}
.hero-title{font-family:var(--fontSerif);font-weight:900;font-size:clamp(48px,10vw,124px);line-height:.95;letter-spacing:.03em;margin:22px 0 26px}
.hero-title .line{display:block;overflow:hidden}
.hero-title .line span,.hero-title .line{transform:translateY(0)}
.hero-title .accent{-webkit-text-stroke:0}
.hero-sub{font-size:clamp(15px,1.5vw,18px);color:#c3cdd5;max-width:620px;font-weight:300}
.hero-sub strong{color:var(--text);font-weight:500}
.hero-actions{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.hero-hud{position:absolute;right:clamp(20px,6vw,90px);top:50%;transform:translateY(-50%);
  font-family:var(--fontEN);font-size:12px;letter-spacing:.12em;
  border-left:1px solid var(--line);padding-left:18px;display:grid;gap:14px}
.hud-row{display:grid;gap:2px}
.hud-row span{color:var(--muted);font-size:10px;letter-spacing:.24em}
.hud-row b{color:var(--tech);font-weight:600}
.hud-row b.warn{color:var(--accent)}
.scroll-cue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  font-family:var(--fontEN);font-size:10px;letter-spacing:.32em;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:10px}
.scroll-cue i{width:1px;height:44px;background:linear-gradient(var(--tech),transparent);position:relative;overflow:hidden}
.scroll-cue i::after{content:'';position:absolute;top:0;left:0;width:100%;height:14px;background:var(--tech);animation:drop 1.8s infinite}
@keyframes drop{0%{transform:translateY(-14px)}100%{transform:translateY(44px)}}

/* ---------- buttons ---------- */
.btn{position:relative;display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  padding:15px 34px;font-family:var(--fontTC);font-weight:500;font-size:15px;letter-spacing:.08em;
  border:1px solid var(--line);overflow:hidden;transition:.25s;cursor:pointer;line-height:1.1}
.btn em{font-family:var(--fontEN);font-style:normal;font-size:9px;letter-spacing:.28em;opacity:.7;margin-top:3px}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2);box-shadow:0 0 30px rgba(230,184,0,.5);transform:translateY(-2px)}
.btn-ghost{color:var(--text)}
.btn-ghost:hover{border-color:var(--tech);color:var(--tech);box-shadow:0 0 22px rgba(0,158,106,.2)}
.btn::before{content:'';position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.25),transparent);transition:.5s}
.btn:hover::before{left:130%}

/* ---------- world ---------- */
.world-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(30px,5vw,70px);align-items:center}
.world-text .sec-title{margin-bottom:26px}
.world-text p{margin-bottom:16px;max-width:520px}
.world-text strong{color:var(--tech);font-weight:500}
.world-tags{list-style:none;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.world-tags li{font-family:var(--fontEN);font-size:12px;letter-spacing:.08em;color:var(--muted);
  padding:6px 13px;border:1px solid var(--line);background:rgba(255,255,255,.02)}
.world-media{position:relative}
.world-media img{width:100%;aspect-ratio:16/10;object-fit:cover;filter:contrast(1.05) saturate(.9)}
.media-frame{position:absolute;inset:-1px;border:1px solid var(--edge);pointer-events:none;
  clip-path:polygon(0 0,100% 0,100% 100%,24px 100%,0 calc(100% - 24px))}
.media-frame::before,.media-frame::after{content:'';position:absolute;width:14px;height:14px;border:2px solid var(--tech)}
.media-frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.media-frame::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.media-tag{position:absolute;left:0;bottom:-26px;font-family:var(--fontEN);font-size:10px;letter-spacing:.24em;color:var(--tech)}

/* ---------- world atlas ---------- */
.world-intro{display:grid;grid-template-columns:0.9fr 1.4fr;gap:clamp(24px,5vw,64px);align-items:end;margin-bottom:46px}
.world-intro .sec-title{margin-bottom:0}
.world-lead p{margin-bottom:14px;max-width:560px}
.world-lead strong{color:var(--tech);font-weight:500}
.atlas-head{display:flex;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding-top:14px;margin-bottom:20px;
  font-family:var(--fontEN);font-size:11px;letter-spacing:.22em;color:var(--tech)}
.atlas-count{color:var(--muted)}
.atlas-grid{display:grid;grid-template-columns:1fr;gap:14px}
.atlas-card{position:relative;min-height:220px;overflow:hidden;background:var(--panel);
  border:1px solid var(--line);cursor:pointer;transition:.35s;
  clip-path:polygon(0 0,100% 0,100% 100%,20px 100%,0 calc(100% - 20px))}
.atlas-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(.2) contrast(1.06) saturate(.92);transition:.6s;transform:scale(1.02)}
.atlas-card::after{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,9,11,.15) 0%,transparent 30%,rgba(7,9,11,.55) 62%,rgba(7,9,11,.95) 100%)}
.atlas-card:hover{border-color:var(--edge);transform:translateY(-5px)}
.atlas-card:hover img{transform:scale(1.09);filter:grayscale(0) contrast(1.1) saturate(1)}
.atlas-coord{position:absolute;top:12px;left:14px;z-index:3;font-family:var(--fontEN);
  font-size:10px;letter-spacing:.14em;color:var(--tech);opacity:.85;text-shadow:0 1px 4px #000}
.atlas-frame{position:absolute;inset:8px;z-index:2;pointer-events:none;opacity:0;transition:.3s}
.atlas-frame::before,.atlas-frame::after{content:'';position:absolute;width:16px;height:16px;border:2px solid var(--tech)}
.atlas-frame::before{top:0;right:0;border-left:0;border-bottom:0}
.atlas-frame::after{bottom:0;left:0;border-right:0;border-top:0}
.atlas-card:hover .atlas-frame{opacity:1}
.atlas-meta{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:16px 18px 18px}
.atlas-code{font-family:var(--fontEN);font-size:10px;letter-spacing:.18em;color:var(--tech);margin-bottom:5px}
.atlas-name{font-family:var(--fontSerif);font-weight:900;font-size:26px;line-height:1;margin-bottom:8px}
.atlas-desc{font-size:12.5px;color:#aeb8c0;max-width:34ch;
  max-height:0;opacity:0;overflow:hidden;transition:max-height .4s ease,opacity .3s ease}
.atlas-card:hover .atlas-desc{max-height:80px;opacity:1}
@media(min-width:760px){
  .atlas-grid{grid-template-columns:repeat(2,1fr)}
  .atlas-card--wide{grid-column:span 2}
  .atlas-card--wide .atlas-name{font-size:32px}
}
@media(min-width:1100px){
  .atlas-grid{grid-template-columns:repeat(3,1fr)}
  .atlas-card{min-height:250px}
}
@media(max-width:759px){
  .world-intro{grid-template-columns:1fr;gap:18px}
  .atlas-desc{max-height:80px;opacity:1}
}

/* ---------- units ---------- */
.units-head{max-width:640px;margin-bottom:52px}
.units-head .sec-title{margin-bottom:14px}
.unit-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.unit-card{position:relative;aspect-ratio:3/4.6;overflow:hidden;background:var(--panel);
  border:1px solid var(--line);cursor:pointer;transition:.35s;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%)}
.unit-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:grayscale(.15) contrast(1.05);transition:.5s;transform:scale(1.02)}
.unit-card:hover{border-color:var(--edge);transform:translateY(-6px)}
.unit-card:hover img{transform:scale(1.08);filter:grayscale(0) contrast(1.08)}
.unit-card::after{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(7,9,11,.5) 68%,rgba(7,9,11,.96) 100%)}
.unit-meta{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px 18px 20px}
.unit-code{font-family:var(--fontEN);font-size:10px;letter-spacing:.24em;color:var(--tech);margin-bottom:6px}
.unit-name{font-family:var(--fontSerif);font-weight:900;font-size:24px;line-height:1;margin-bottom:6px}
.unit-role{font-size:12px;color:var(--muted);letter-spacing:.05em}
.unit-rarity{position:absolute;top:14px;right:14px;z-index:2;font-family:var(--fontEN);font-size:11px;
  letter-spacing:.1em;color:var(--amber);display:flex;gap:2px}
.unit-tagline{position:absolute;top:0;left:0;right:0;z-index:3;padding:16px 18px;
  font-size:12px;color:var(--text);opacity:0;transform:translateY(-8px);transition:.35s;
  background:linear-gradient(180deg,rgba(7,9,11,.92),transparent)}
.unit-card:hover .unit-tagline{opacity:1;transform:translateY(0)}

/* ---------- locked zero-series units (silhouette Easter egg) ---------- */
.unit-card.locked{border-color:var(--edge);border-style:dashed}
.unit-card.locked img{filter:grayscale(1) brightness(.85) contrast(1.1);transform:scale(1.02)}
.unit-card.locked:hover img{filter:grayscale(1) brightness(1) contrast(1.1);transform:scale(1.04)}
.unit-card.locked .unit-name{color:var(--tech);letter-spacing:.12em;text-shadow:0 0 12px rgba(0,158,106,.45)}
.unit-card.locked .unit-code{color:var(--amber)}
.unit-card.locked .unit-rarity{color:var(--tech);border:1px solid var(--edge);border-radius:2px;
  padding:3px 7px;background:rgba(7,9,11,.55);animation:lockPulse 2.6s ease-in-out infinite}
.unit-lock{position:absolute;top:50%;left:50%;z-index:2;transform:translate(-50%,-60%);
  font-family:var(--fontSerif);font-weight:900;font-size:72px;line-height:1;color:var(--tech);
  opacity:.16;text-shadow:0 0 26px rgba(0,158,106,.5);pointer-events:none;
  animation:lockPulse 2.6s ease-in-out infinite}
@keyframes lockPulse{0%,100%{opacity:.16}50%{opacity:.42}}
.unit-card.locked .unit-rarity{animation-name:lockBadge}
@keyframes lockBadge{0%,100%{opacity:.7}50%{opacity:1}}

/* ---------- features ---------- */
.features .sec-title{margin-bottom:52px}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.feat{padding:30px 26px;background:linear-gradient(160deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);position:relative;transition:.3s;overflow:hidden}
.feat::before{content:'';position:absolute;top:0;left:0;width:100%;height:2px;
  background:linear-gradient(90deg,var(--accent),var(--tech));transform:scaleX(0);transform-origin:left;transition:.4s}
.feat:hover{border-color:var(--edge);transform:translateY(-5px)}
.feat:hover::before{transform:scaleX(1)}
.feat-no{font-family:var(--fontEN);font-size:13px;letter-spacing:.2em;color:var(--tech);margin-bottom:18px}
.feat h3{font-size:21px;font-weight:700;margin-bottom:10px}
.feat p{font-size:14px;color:var(--muted)}

/* ---------- cta ---------- */
.cta{max-width:none;text-align:center;overflow:hidden}
.cta-bg{position:absolute;inset:0;z-index:-1;background-size:cover;background-position:center;opacity:.3;
  mask-image:radial-gradient(circle at 50% 55%,#000 20%,transparent 72%)}
.cta::before{content:'';position:absolute;inset:0;z-index:-1;background:radial-gradient(circle at 50% 60%,rgba(230,184,0,.12),transparent 60%)}
.cta-inner{max-width:640px;margin:0 auto}
.cta-title{font-family:var(--fontSerif);font-weight:900;font-size:clamp(32px,6vw,64px);line-height:1.05;margin:16px 0 18px}
.pre-form{display:flex;gap:10px;max-width:480px;margin:34px auto 18px;flex-wrap:wrap}
.pre-form input{flex:1;min-width:200px;padding:16px 18px;background:rgba(255,255,255,.03);
  border:1px solid var(--line);color:var(--text);font-family:var(--fontTC);font-size:14px;letter-spacing:.04em}
.pre-form input:focus{outline:none;border-color:var(--tech);box-shadow:0 0 18px rgba(0,158,106,.18)}
.platforms{font-family:var(--fontEN);font-size:12px;letter-spacing:.18em;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:40px clamp(20px,5vw,64px);
  max-width:var(--maxw);margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.foot-brand{font-family:var(--fontEN);font-weight:700;letter-spacing:.1em}
.foot-meta{font-size:12px;color:var(--muted)}

/* ---------- system showcase video ---------- */
.sys-video{position:relative;aspect-ratio:16/9;max-width:960px;margin:0 auto 54px;overflow:hidden;
  background:#000;border:1px solid var(--line);cursor:pointer;
  clip-path:polygon(0 0,100% 0,100% 100%,26px 100%,0 calc(100% - 26px))}
.sys-vid{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:contrast(1.05) saturate(.95);transition:opacity .4s;background:var(--panel)}
.sys-frame{position:absolute;inset:10px;pointer-events:none;z-index:2;opacity:.7}
.sys-frame::before,.sys-frame::after{content:'';position:absolute;width:22px;height:22px;border:2px solid var(--tech)}
.sys-frame::before{top:0;left:0;border-right:0;border-bottom:0}
.sys-frame::after{bottom:0;right:0;border-left:0;border-top:0}
.sys-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:74px;height:74px;border-radius:50%;display:grid;place-items:center;cursor:pointer;
  background:rgba(230,184,0,.9);border:0;transition:.25s;box-shadow:0 0 40px rgba(230,184,0,.5)}
.sys-play:hover{transform:translate(-50%,-50%) scale(1.08);background:var(--accent-2)}
.sys-tri{width:0;height:0;margin-left:5px;border-left:20px solid #fff;
  border-top:12px solid transparent;border-bottom:12px solid transparent}
.sys-video.playing .sys-play{opacity:0;pointer-events:none}
.sys-video::after{content:'';position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,transparent 40%,rgba(0,0,0,.45));transition:opacity .4s}
.sys-video.playing::after{opacity:0}
.sys-vtag{position:absolute;left:16px;bottom:16px;z-index:2;font-family:var(--fontEN);
  font-size:10px;letter-spacing:.22em;color:var(--tech);text-shadow:0 1px 6px #000}

/* ---------- milestones ---------- */
.ms-head{display:grid;grid-template-columns:0.8fr 1.3fr;gap:clamp(24px,5vw,64px);align-items:end;margin-bottom:40px}
.ms-head .sec-title{margin-bottom:0}
.ms-head p{max-width:520px}
.ms-head strong{color:var(--tech);font-weight:600}
.ms-progress{margin-bottom:44px}
.ms-count{display:flex;align-items:baseline;gap:10px;margin-bottom:14px}
.ms-count b{font-family:var(--fontEN);font-weight:700;font-size:clamp(30px,5vw,52px);color:var(--tech);
  letter-spacing:.02em;line-height:1}
.ms-count span{font-family:var(--fontEN);font-size:11px;letter-spacing:.18em;color:var(--muted)}
.ms-bar{position:relative;height:8px;background:var(--panel);border:1px solid var(--line);overflow:hidden}
.ms-bar span{position:absolute;inset:0;width:0;transform-origin:left;
  background:linear-gradient(90deg,var(--tech),var(--accent));transition:width 1.4s cubic-bezier(.2,.7,.2,1);
  box-shadow:0 0 16px rgba(0,158,106,.4)}
.ms-next{margin-top:12px;font-family:var(--fontEN);font-size:12px;letter-spacing:.06em;color:var(--muted)}
.ms-next b{color:var(--accent)}
.ms-next span{color:var(--text)}
.ms-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.ms-tier{position:relative;padding:22px 20px;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--panel),var(--bg-2));overflow:hidden;transition:.3s}
.ms-tier::before{content:'';position:absolute;top:0;left:0;width:3px;height:100%;background:var(--line);transition:.3s}
.ms-tier.unlocked{border-color:var(--edge)}
.ms-tier.unlocked::before{background:linear-gradient(var(--tech),var(--accent))}
.ms-tier .ms-at{font-family:var(--fontEN);font-size:13px;letter-spacing:.1em;color:var(--tech);margin-bottom:4px}
.ms-tier .ms-code{font-family:var(--fontEN);font-size:9px;letter-spacing:.2em;color:var(--muted);margin-bottom:12px}
.ms-tier .ms-name{font-family:var(--fontSerif);font-weight:900;font-size:19px;margin-bottom:8px}
.ms-tier .ms-desc{font-size:12.5px;color:var(--muted)}
.ms-tier .ms-state{position:absolute;top:16px;right:16px;font-family:var(--fontEN);font-size:9px;
  letter-spacing:.16em;padding:3px 8px;border:1px solid currentColor}
.ms-tier.unlocked .ms-state{color:var(--tech)}
.ms-tier.locked .ms-state{color:var(--muted)}
.ms-tier.locked{opacity:.72}
.ms-tier.locked .ms-name{color:var(--muted)}
@media(max-width:759px){ .ms-head{grid-template-columns:1fr;gap:16px} }

/* ---------- lightbox ---------- */
.lightbox{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;
  padding:clamp(20px,5vw,60px);background:rgba(4,6,8,.92);backdrop-filter:blur(10px);
  opacity:0;transition:opacity .3s ease}
.lightbox[hidden]{display:none}
.lightbox.open{opacity:1}
.lb-fig{margin:0;position:relative;display:flex;flex-direction:row;align-items:stretch;gap:clamp(18px,3vw,34px);
  max-width:min(96vw,1240px);width:100%;transform:scale(.96);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.lightbox.open .lb-fig{transform:scale(1)}
.lb-img{flex:0 0 auto;width:min(54vw,600px);max-height:90vh;object-fit:contain;align-self:center;
  border:1px solid var(--edge);box-shadow:0 30px 80px rgba(0,0,0,.6);background:var(--panel)}
.lb-cap{flex:1 1 auto;text-align:left;display:flex;flex-direction:column;gap:10px;
  max-width:44ch;max-height:90vh;overflow-y:auto;padding-right:8px}
.lb-cap::-webkit-scrollbar{width:5px}
.lb-cap::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.lb-code{font-family:var(--fontEN);font-size:11px;letter-spacing:.22em;color:var(--tech)}
.lb-name{font-family:var(--fontSerif);font-weight:900;font-size:clamp(24px,3vw,36px);line-height:1.05;
  display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin:0}
.lb-rarity{font-family:var(--fontEN);font-size:11px;letter-spacing:.14em;color:var(--amber);font-weight:400;
  border:1px solid rgba(245,166,35,.4);padding:2px 8px}
.lb-role{font-size:12.5px;color:var(--muted);letter-spacing:.06em}
.lb-quote{font-family:var(--fontSerif);font-size:15px;color:var(--text);font-style:italic;
  border-left:2px solid var(--accent);padding:3px 0 3px 14px;margin:4px 0;line-height:1.6}
.lb-scroll{display:flex;flex-direction:column;gap:16px;margin-top:2px}
.lb-sect{display:flex;flex-direction:column;gap:7px}
.lb-label{font-family:var(--fontEN);font-size:10px;letter-spacing:.24em;color:var(--tech);
  display:flex;align-items:center;gap:8px}
.lb-label::before{content:'';width:16px;height:1px;background:var(--tech);opacity:.6}
.lb-sect p{font-size:13.5px;line-height:1.75;color:#c3cdd5}
.lb-bonds{list-style:none;display:flex;flex-direction:column;gap:9px}
.lb-bonds li{display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);padding-left:12px}
.lb-bonds b{color:var(--tech);font-weight:600;font-size:12.5px;letter-spacing:.04em}
.lb-bonds span{color:#aeb8c0;font-size:13px;line-height:1.6}
.lb-hook{font-family:var(--fontSerif);font-size:14px;font-style:italic;color:var(--accent-2);
  text-shadow:0 0 18px rgba(230,184,0,.25);margin-top:2px}
.lb-desc{font-size:13px;color:var(--muted);line-height:1.7}
/* locked zero-series = redacted teal treatment */
.lb-locked .lb-name,.lb-locked .lb-hook{color:var(--tech);text-shadow:0 0 15px rgba(0,158,106,.4)}
.lb-locked .lb-rarity{color:var(--tech);border-color:var(--edge)}
.lb-locked .lb-quote{border-left-color:var(--tech);color:var(--tech)}
.lb-locked .lb-img{filter:grayscale(1) brightness(.9)}
@media(max-width:720px){
  .lb-fig{flex-direction:column;align-items:center;gap:16px;max-width:94vw}
  .lb-img{width:auto;max-width:72vw;max-height:40vh}
  .lb-cap{max-width:94vw;max-height:46vh}
}
.lb-close{position:fixed;top:clamp(16px,3vw,26px);right:clamp(16px,3vw,30px);z-index:2;
  width:46px;height:46px;display:grid;place-items:center;cursor:pointer;
  background:rgba(12,16,19,.6);border:1px solid var(--line);color:var(--text);
  font-size:18px;line-height:1;transition:.2s;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%)}
.lb-close:hover{border-color:var(--accent);color:var(--accent);box-shadow:0 0 20px rgba(230,184,0,.35)}
.unit-card,.atlas-card,.rite-portrait,.rite-member{cursor:zoom-in}
/* ---------- 香門 門下 crew cards ---------- */
.rite-crew{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.rite-member{position:relative;margin:0;overflow:hidden;border:1px solid var(--line);background:var(--panel);
  aspect-ratio:3/4;transition:.3s;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%)}
.rite-member img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:.4s;transform:scale(1.02)}
.rite-member:hover{border-color:var(--edge);transform:translateY(-4px)}
.rite-member:hover img{transform:scale(1.06)}
.rite-member::after{content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,transparent 48%,rgba(7,9,11,.92) 100%)}
.rite-member figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:10px 12px;
  display:flex;flex-direction:column;gap:2px}
.rm-name{font-family:var(--fontSerif);font-weight:900;font-size:18px;line-height:1;color:var(--text)}
.rm-title{font-family:var(--fontEN);font-size:10px;letter-spacing:.12em;color:var(--tech)}
@media(max-width:560px){.rite-crew{gap:8px}.rm-name{font-size:15px}}

/* full-panel map mode (atlas lightbox) — map fills the whole panel */
.lightbox.lb-map{padding:0}
.lightbox.lb-map .lb-fig{max-width:100vw;width:100vw;gap:0;align-items:stretch;transform:scale(.97)}
.lightbox.lb-map.open .lb-fig{transform:scale(1)}
.lightbox.lb-map .lb-img{width:100vw;max-width:100vw;height:100vh;max-height:100vh;
  object-fit:contain;border:0;box-shadow:none;background:transparent}
.lightbox.lb-map .lb-cap{position:fixed;left:0;right:0;bottom:0;z-index:3;max-width:none;
  display:flex;flex-direction:column;gap:6px;align-items:flex-start;text-align:left;
  padding:clamp(22px,4vw,52px) clamp(20px,5vw,64px);
  background:linear-gradient(180deg,transparent,rgba(4,6,8,.82) 55%,rgba(4,6,8,.96))}
.lightbox.lb-map .lb-cap .lb-name{font-size:clamp(26px,4vw,44px)}
.lightbox.lb-map .lb-close{background:rgba(12,16,19,.85)}

/* mobile character lightbox — full-bleed art + bottom-sheet lore (Endfield/HoYo style) */
@media(max-width:759px){
  .lightbox.lb-char{padding:0;align-items:stretch}
  .lightbox.lb-char .lb-fig{flex-direction:column;max-width:100vw;width:100vw;height:100vh;height:100dvh;
    gap:0;position:relative;transform:scale(1.03)}
  .lightbox.lb-char.open .lb-fig{transform:none}
  .lightbox.lb-char .lb-img{position:absolute;inset:0;width:100%;height:100%;max-width:none;max-height:none;
    object-fit:cover;object-position:50% 10%;border:0;border-radius:0;align-self:auto}
  .lightbox.lb-char .lb-cap{position:absolute;left:0;right:0;bottom:0;max-width:none;max-height:68vh;overflow-y:auto;
    gap:10px;padding:104px 22px calc(30px + env(safe-area-inset-bottom));
    background:linear-gradient(180deg,transparent 0%,rgba(7,9,11,.5) 16%,rgba(7,9,11,.9) 40%,rgba(7,9,11,.98) 66%);
    -webkit-overflow-scrolling:touch}
  .lightbox.lb-char .lb-cap::before{content:'';position:absolute;top:64px;left:50%;transform:translateX(-50%);
    width:40px;height:4px;border-radius:2px;background:rgba(255,255,255,.32)}
  .lightbox.lb-char .lb-close{position:fixed;top:14px;right:14px}
  .lightbox.lb-char .lb-name{font-size:clamp(28px,8vw,40px)}
}

/* ---------- 讖 · 殘象 (omens / prophecy leaves) ---------- */
.omens-head{max-width:660px;margin-bottom:44px}
.omens-head .sec-title{margin-bottom:14px}
.omens-head strong{color:var(--tech);font-weight:500}
.omens-progress{margin-top:16px;font-family:var(--fontEN);font-size:12px;letter-spacing:.14em;color:var(--muted)}
.omens-progress b{color:var(--accent);font-size:15px}
.omen-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
/* master–detail stage (Endfield-style): list + decoded detail */
.omen-stage-wrap{display:grid;grid-template-columns:248px 1fr;gap:20px;align-items:start}
.omen-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.omen-item{width:100%;display:flex;flex-direction:column;align-items:flex-start;gap:3px;
  padding:14px 16px;background:var(--panel);border:1px solid var(--line);cursor:pointer;
  text-align:left;position:relative;transition:.25s;font-family:inherit;
  clip-path:polygon(0 0,100% 0,100% 100%,12px 100%,0 calc(100% - 12px))}
.omen-item:hover{border-color:var(--edge)}
.omen-item.active{border-color:var(--accent);background:var(--panel-2)}
.omen-item.active::before{content:'';position:absolute;left:0;top:0;width:3px;height:100%;background:var(--accent)}
.oi-n{font-family:var(--fontSerif);font-weight:900;font-size:16px;color:var(--text)}
.oi-era{font-family:var(--fontEN);font-size:9px;letter-spacing:.14em;color:var(--muted)}
.oi-at{font-family:var(--fontEN);font-size:9px;letter-spacing:.06em;color:var(--muted);margin-top:3px;opacity:.85}
.omen-item.solved .oi-at{color:var(--tech)}
.omen-item.solved .oi-at::after{content:' ✓'}
.omen-item.sealed .oi-at::before{content:'🔒 ';font-size:8px}
.oi-dot{position:absolute;top:16px;right:14px;width:7px;height:7px;border-radius:50%;background:var(--line)}
.omen-item.solved .oi-dot{background:var(--tech);box-shadow:0 0 8px var(--tech)}
.omen-item.sealed .oi-n{color:var(--muted)}

.omen-stage{position:relative;min-height:344px;padding:clamp(28px,4vw,48px);
  background:linear-gradient(160deg,var(--panel),var(--bg-2));border:1px solid var(--line);overflow:hidden;
  opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.2,1)}
.omen-stage.in{opacity:1;transform:none}
.stage-frame{position:absolute;inset:10px;pointer-events:none;opacity:.6}
.stage-frame::before,.stage-frame::after{content:'';position:absolute;width:20px;height:20px;border:2px solid var(--edge)}
.stage-frame::before{top:0;left:0;border-right:0;border-bottom:0}
.stage-frame::after{bottom:0;right:0;border-left:0;border-top:0}
.stage-idx{font-family:var(--fontEN);font-size:11px;letter-spacing:.2em;color:var(--tech);margin-bottom:22px}
.stage-chan{font-family:var(--fontSerif);font-weight:600;font-size:clamp(19px,2.4vw,26px);line-height:1.7;
  color:var(--text);margin-bottom:22px;max-width:30ch}
.stage-chan.sealed{color:var(--muted)}
.stage-song{display:flex;flex-direction:column;gap:4px;font-family:var(--fontSerif);
  font-size:clamp(14px,1.6vw,17px);line-height:1.8;color:var(--text);opacity:.8;margin-bottom:28px}
.stage-div{display:flex;align-items:center;gap:14px;margin-bottom:16px;
  font-family:var(--fontEN);font-size:10px;letter-spacing:.24em;color:var(--muted)}
.stage-div::before,.stage-div::after{content:'';flex:1;height:1px;background:var(--line)}
.stage-div span{color:var(--tech)}
.stage-plain{font-family:var(--fontTC);font-size:15px;line-height:1.95;color:var(--text);max-width:56ch;min-height:3em}
.stage-plain.sealed{color:var(--muted)}

@media(max-width:759px){
  .omen-stage-wrap{grid-template-columns:1fr;gap:12px}
  .omen-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;-webkit-overflow-scrolling:touch}
  .omen-item{min-width:132px;flex:0 0 auto}
  .oi-dot{top:14px}
}

/* ---------- audio toggle ---------- */
#audio-btn{position:fixed;right:clamp(16px,3vw,28px);bottom:clamp(16px,3vw,28px);z-index:50;
  display:flex;align-items:center;gap:9px;padding:9px 14px;cursor:pointer;
  background:rgba(12,16,19,.72);backdrop-filter:blur(6px);
  border:1px solid var(--line);color:var(--muted);
  font-family:var(--fontEN);font-size:10px;letter-spacing:.24em;
  transition:.25s;clip-path:polygon(0 0,100% 0,100% 100%,10px 100%,0 calc(100% - 10px))}
#audio-btn:hover{border-color:var(--edge);color:var(--tech);box-shadow:0 0 20px rgba(0,158,106,.18)}
#audio-btn.on{color:var(--tech);border-color:var(--edge)}
#audio-btn .eq{display:flex;align-items:flex-end;gap:2px;height:14px}
#audio-btn .eq i{width:2px;height:4px;background:currentColor;opacity:.8;border-radius:1px}
#audio-btn.on .eq i{animation:eq 900ms ease-in-out infinite}
#audio-btn.on .eq i:nth-child(1){animation-delay:0ms}
#audio-btn.on .eq i:nth-child(2){animation-delay:150ms}
#audio-btn.on .eq i:nth-child(3){animation-delay:300ms}
#audio-btn.on .eq i:nth-child(4){animation-delay:450ms}
@keyframes eq{0%,100%{height:4px}50%{height:14px}}
@media(prefers-reduced-motion:reduce){#audio-btn.on .eq i{animation:none;height:9px}}

/* ---------- concept watermark ---------- */
.watermark{position:fixed;right:16px;bottom:72px;z-index:45;
  display:flex;flex-direction:column;align-items:flex-end;gap:1px;text-align:right;
  font-family:var(--fontEN);opacity:.5;transition:opacity .25s;pointer-events:auto}
.watermark:hover{opacity:1}
.wm-by{font-size:8px;letter-spacing:.2em;color:var(--muted)}
.wm-name{font-size:11px;letter-spacing:.1em;font-weight:600;color:var(--text)}
.wm-mail{font-size:9px;letter-spacing:.03em;color:var(--tech)}
.wm-mail:hover{text-decoration:underline}
@media(max-width:520px){ .watermark{bottom:68px;opacity:.42} }

/* ---------- reveal ---------- */
[data-reveal]{opacity:0;transform:translateY(38px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}

/* ---------- mobile drawer scrim ---------- */
.nav-scrim{position:fixed;inset:0;z-index:38;background:rgba(4,6,8,.66);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .35s ease,visibility .35s}
.nav-scrim.show{opacity:1;visibility:visible}

/* ---------- responsive ---------- */
@media(max-width:860px){
  /* header must render normally so the drawer stays legible */
  #site-header{mix-blend-mode:normal;padding:16px clamp(18px,5vw,32px)}
  .menu-btn{display:flex}
  .hero-hud{display:none}
  .world-grid{grid-template-columns:1fr}
  .hero::after{background:linear-gradient(180deg,rgba(7,9,11,.5),var(--bg))}

  /* nav becomes a slide-in drawer */
  .nav{
    position:fixed;top:0;right:0;z-index:45;
    width:min(78vw,320px);height:100vh;height:100dvh;
    flex-direction:column;align-items:flex-start;justify-content:center;gap:8px;
    padding:88px 30px 40px;
    background:linear-gradient(200deg,var(--panel),var(--bg));
    border-left:1px solid var(--edge);
    transform:translateX(100%);transition:transform .42s cubic-bezier(.2,.7,.2,1);
    font-size:17px;
  }
  .nav.open{transform:none}
  .nav a{width:100%;padding:14px 4px;opacity:1;border-bottom:1px solid var(--line)}
  .nav a::after{display:none}
  .nav-cta{margin-top:20px;padding:14px 18px;text-align:center;border-color:var(--accent);
    background:var(--accent);color:#fff}
}
@media(max-width:520px){
  .section{padding:clamp(72px,11vh,110px) 20px}
  .hero{padding-left:22px;padding-right:22px}
  .hero-actions{flex-direction:column}
  .btn{width:100%}
  .hero-sub br{display:none}
  .unit-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .unit-name{font-size:20px}
  .pre-form{flex-direction:column}
  .pre-form input,.pre-form button{width:100%}
  .site-footer{flex-direction:column;text-align:center}
}
@media(max-width:360px){
  .unit-grid{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important}
  html{scroll-behavior:auto}
}

/* ===== RITE / 觀落陰 · 靛姨 ===== */
.rite-wrap{
  display:grid;grid-template-columns:minmax(0,0.92fr) minmax(0,1.08fr);
  gap:clamp(24px,4vw,64px);align-items:center;margin-top:28px;
}
.rite-portrait{
  position:relative;margin:0;border:1px solid var(--line);
  background:linear-gradient(160deg,var(--panel-2),var(--bg-2));
  overflow:hidden;aspect-ratio:2/3;
}
.rite-portrait img{
  width:100%;height:100%;object-fit:cover;object-position:50% 22%;display:block;
  filter:saturate(1.02) contrast(1.03);
  transition:transform 1.2s cubic-bezier(.2,.7,.2,1),filter .6s;
}
.rite-portrait:hover img{transform:scale(1.04);filter:saturate(1.08) contrast(1.06)}
.rite-frame{
  position:absolute;inset:10px;border:1px solid var(--edge);pointer-events:none;
  mix-blend-mode:screen;opacity:.6;
}
.rite-frame::before,.rite-frame::after{
  content:"";position:absolute;width:22px;height:22px;border:2px solid var(--tech);
}
.rite-frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.rite-frame::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.rite-smoke{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 60% at 18% 4%,rgba(0,158,106,.16),transparent 60%);
  mix-blend-mode:screen;
}
.rite-cap{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px 16px;
  display:flex;flex-direction:column;gap:4px;
  background:linear-gradient(0deg,rgba(7,9,11,.94),rgba(7,9,11,.55) 55%,transparent);
}
.rite-code{font:600 11px/1.4 var(--fontEN);letter-spacing:.18em;color:var(--tech);text-transform:uppercase}
.rite-figname{font:900 30px/1 var(--fontSerif);color:var(--text)}
.rite-figsub{font:400 12.5px/1.5 var(--fontTC);color:var(--muted)}

.rite-body .atlas-label{color:var(--tech)}
.rite-body .sec-title{margin:14px 0 18px}
.rite-lead{font:400 clamp(15px,1.15vw,17px)/1.85 var(--fontTC);color:var(--text);margin:0 0 14px}
.rite-lead strong{color:var(--tech);font-weight:500}
.rite-body .hl{color:var(--accent-2)}

.rite-list{list-style:none;margin:22px 0 0;padding:0;display:flex;flex-direction:column;gap:0}
.rite-list li{
  position:relative;padding:14px 0 14px 18px;border-top:1px solid var(--line);
  font:400 14px/1.6 var(--fontTC);color:var(--muted);
}
.rite-list li:last-child{border-bottom:1px solid var(--line)}
.rite-list li::before{content:"";position:absolute;left:0;top:20px;width:6px;height:6px;background:var(--tech);transform:rotate(45deg)}
.rite-list .rk{color:var(--text);font-weight:500;margin-right:10px}

.rite-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.rite-tags span{
  font:600 10.5px/1 var(--fontEN);letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line);padding:7px 11px;background:var(--panel);
}

@media (max-width:820px){
  .rite-wrap{grid-template-columns:1fr;gap:26px}
  .rite-portrait{max-width:440px;margin-inline:auto;width:100%}
  .rite-figname{font-size:26px}
}

/* ============================================================
   LIGHT THEME — Endfield bright (warm off-white industrial)
   Base UI is light; HERO and dark image cards stay dark on purpose.
   ============================================================ */

/* decorative overlays retuned for a light base */
.grid-overlay{opacity:.5;
  background-image:linear-gradient(rgba(26,28,25,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(26,28,25,.05) 1px,transparent 1px)}
.scanlines{opacity:.05}
.vignette{background:radial-gradient(ellipse at 50% 42%,transparent 58%,rgba(26,28,25,.10) 100%)}
::selection{background:var(--accent);color:#141410}

/* HERO stays dark — dramatic key visual; webgl additive particles need a dark field */
.hero{background:#141410}
.hero::after{background:linear-gradient(90deg,#141410 0%,rgba(20,20,16,.94) 38%,rgba(20,20,16,.72) 55%,rgba(20,20,16,.2) 76%,transparent 100%)}
.hero-copy,.hero-title{color:#f4f3ec}
.hero .eyebrow{color:#b9bbae}
.hero-sub{color:#e4e5dd;max-width:500px}
.hero-sub strong{color:#f4f3ec}
.hero .btn-ghost{color:#f4f3ec;border-color:rgba(244,243,236,.65);
  background:rgba(10,14,16,.42);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}
.hero .btn-ghost em{opacity:.82}
.hero .btn-ghost:hover{color:#fff;border-color:var(--tech);
  background:rgba(0,158,106,.28);box-shadow:0 0 26px rgba(0,158,106,.35)}
.hero-hud .hud-row span,.scroll-cue{color:#9a9c8f}

/* dark image cards keep light text (unit / atlas / rite portrait / crew) */
.unit-name,.unit-tagline,.atlas-name,.rite-figname,.rm-name{color:#f4f3ec}
.unit-role,.rite-figsub{color:#c2c4b8}

/* buttons + CTA: dark ink on amber for contrast */
.btn-primary,.btn-primary:hover,.nav-cta{color:#141410}
.sys-play{background:var(--accent)}
.sys-play .sys-tri{border-left-color:#141410}

/* form input readable on light */
.pre-form input{background:rgba(26,28,25,.045);color:var(--text)}
.pre-form input::placeholder{color:var(--muted)}

/* lightbox stays a dark modal — relight its ink */
.lb-name,.lb-quote,.lb-close{color:#f4f3ec}
.lb-role,.lb-desc{color:#b8bab0}

/* ===== character lightbox — Arknights: Endfield operator-dossier styling ===== */
.lightbox{background:rgba(9,10,8,.95);backdrop-filter:blur(7px)}
.lb-fig{background:linear-gradient(180deg,#191a1c,#141517);border:1px solid #2c2e31;
  padding:clamp(16px,2vw,26px);position:relative;
  box-shadow:0 40px 120px rgba(0,0,0,.6),inset 0 0 0 1px rgba(255,242,31,.05)}
/* bright HUD corner ticks */
.lb-fig::before,.lb-fig::after{content:'';position:absolute;width:18px;height:18px;
  border:2px solid #fff21f;pointer-events:none;z-index:4}
.lb-fig::before{top:9px;left:9px;border-right:0;border-bottom:0}
.lb-fig::after{bottom:9px;right:9px;border-left:0;border-top:0}
.lb-img{border:1px solid #2c2e31;background:#0e0f10;box-shadow:none}
.lb-code{color:#fff21f;font-weight:600}
.lb-name{font-family:var(--fontEN),var(--fontTC);font-weight:700;color:#fff;letter-spacing:.02em;
  align-self:flex-start;padding-bottom:9px;border-bottom:2px solid #fff21f}
.lb-rarity{color:#fff21f;border:1px solid rgba(255,242,31,.5)}
.lb-role{color:#00ffa2}
.lb-quote{border-left:2px solid #fff21f;color:#eceadf;font-style:normal;font-family:var(--fontTC)}
.lb-label{color:#fff21f}
.lb-label::before{background:#fff21f}
.lb-sect p{color:#cbcdc5}
.lb-bonds li{border-left:1px solid #2f3136}
.lb-bonds b{color:#00ffa2}
.lb-bonds span{color:#b9bbb2}
.lb-hook{color:#fff21f;font-style:normal;text-shadow:0 0 18px rgba(255,242,31,.22)}
.lb-desc{color:#b9bbb2}
.lb-close{background:rgba(20,21,23,.82);border:1px solid #2c2e31;color:#fff}
.lb-close:hover{border-color:#fff21f;color:#fff21f;box-shadow:0 0 20px rgba(255,242,31,.3)}
/* locked zero-series → Endfield green accent */
.lb-locked .lb-name{border-bottom-color:#00ffa2;color:#00ffa2}
.lb-locked .lb-hook,.lb-locked .lb-code{color:#00ffa2}
.lb-locked .lb-rarity{color:#00ffa2;border-color:rgba(0,255,162,.5)}
.lb-locked .lb-quote{border-left-color:#00ffa2}
.lb-locked .lb-img{filter:grayscale(1) brightness(.85)}

/* mobile drawer panel is light → its links use dark ink */
@media(max-width:860px){
  .nav{background:linear-gradient(200deg,#f4f2ea,#e8e6df)}
  .nav a{color:var(--text)}
}

/* ---- header legibility: no mix-blend; scroll-state chrome swap; solid amber CTA ---- */
#site-header{mix-blend-mode:normal}
/* primary CTA: solid amber, dark ink — prominent on both dark hero and light body */
.nav-cta{background:var(--accent);border-color:var(--accent);color:#141410;padding:9px 18px;font-weight:600}
.nav-cta:hover{background:var(--accent-2);border-color:var(--accent-2)}
/* at the top, over the dark hero: light chrome */
.brand-name,.brand-name em,.brand-mark{color:#f4f3ec}
.menu-btn span{background:#f4f3ec}
@media(min-width:861px){
  .nav a{color:#f4f3ec}
  .nav a::after{background:#f4f3ec}
}
/* scrolled onto the light body: dark chrome on a light frosted bar */
#site-header.scrolled{background:rgba(232,230,223,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
#site-header.scrolled .brand-name,#site-header.scrolled .brand-name em,
#site-header.scrolled .brand-mark,#site-header.scrolled .nav a{color:var(--text)}
#site-header.scrolled .nav a::after{background:var(--text)}
#site-header.scrolled .menu-btn span{background:var(--text)}

/* neon amber/green read weakly as text on cream — deepen labels/emphasis that sit on the LIGHT base.
   HERO + dark image cards keep the bright neon (they have a dark field). */
.accent{color:#9a6a00}
.hero .accent,.hero-title .accent{color:var(--accent)}
.section-index,.feat-no,.ms-count b,.ms-tier .ms-at,.atlas-head,.rite-body .atlas-label,.hl{color:#0a7d54}
/* emphasis text still bright on the light base — deepen for contrast (missed by the pass above) */
.world-text strong,.world-lead strong,.rite-lead strong,.ms-head strong,.omens-head strong,
.media-tag,.stage-idx,.stage-div span,.ms-tier.unlocked .ms-state,.ms-tier.unlocked .ms-name{color:#0a7d54}
.ms-next b,.omens-progress b{color:#9a6a00}
.section-index::before{background:#0a7d54}