/* Shared styles for the three team pages (teams/<team>/index.html) */
:root{
  --navy:#12213e;
  --navy-d:#0b1630;
  --line:rgba(255,255,255,.14);
  --line-2:rgba(255,255,255,.3);
  --white:#f4f6fb;
  --mute:#9eadc8;
  --dim:#6d7d9c;
  --hot:#ff7a1a;
  --sans:"Noto Sans TC",-apple-system,"PingFang TC",system-ui,sans-serif;
  --latin:"Montserrat","Noto Sans TC",sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
  --gutter:clamp(20px,5vw,72px);
  --max:1240px;
  --ease:cubic-bezier(.2,.75,.25,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;background:var(--navy);scroll-padding-top:90px}
body{
  background-color:var(--navy);
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(rgba(255,255,255,.058) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.058) 1px,transparent 1px);
  background-size:24px 24px,24px 24px,120px 120px,120px 120px;
  background-position:-1px -1px;
  color:var(--white);font-family:var(--sans);font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit}
::selection{background:var(--white);color:var(--navy)}
:focus-visible{outline:2px solid var(--hot);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--mute)}
.up{text-transform:uppercase}
.nw{white-space:nowrap}
.mark{display:inline-block;width:1em;height:1em;fill:currentColor}

.sheet{position:fixed;inset:10px;border:1px solid var(--line-2);pointer-events:none;z-index:80}
.sheet i{position:absolute;width:9px;height:9px;border-color:var(--white);border-style:solid;opacity:.7}
.sheet i:nth-child(1){top:-5px;left:-5px;border-width:0 1px 1px 0}
.sheet i:nth-child(2){top:-5px;right:-5px;border-width:0 0 1px 1px}
.sheet i:nth-child(3){bottom:-5px;left:-5px;border-width:1px 1px 0 0}
.sheet i:nth-child(4){bottom:-5px;right:-5px;border-width:1px 0 0 1px}
@media (max-width:600px){.sheet{inset:6px}}

/* header */
.hd{position:fixed;top:10px;left:10px;right:10px;z-index:70;transition:background .35s,border-color .35s;border-bottom:1px solid transparent}
.hd.on{background:rgba(11,22,48,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-color:var(--line)}
.hd .in{display:flex;align-items:center;justify-content:space-between;height:62px;padding:0 clamp(14px,2.4vw,30px)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand .mark{font-size:26px}
.brand b{font-family:var(--latin);font-style:italic;font-weight:800;font-size:19px;letter-spacing:-.01em}
.brand small{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--mute);border-left:1px solid var(--line-2);padding-left:10px;margin-left:2px}
.hd nav{display:flex;align-items:center;gap:26px;font-size:14px}
.hd nav a:not(.btn){text-decoration:none;color:var(--mute);transition:color .2s;position:relative}
.hd nav a:not(.btn):hover,.hd nav a[aria-current]{color:var(--white)}
.hd nav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--hot)}
@media (max-width:900px){.hd nav a:not(.btn){display:none}}
@media (max-width:600px){.hd{top:6px;left:6px;right:6px}.brand small{display:none}}
.btn{display:inline-flex;align-items:center;gap:12px;background:var(--white);color:var(--navy);text-decoration:none;font-weight:700;letter-spacing:.02em;transition:background .25s,color .25s}
.btn:hover{background:var(--hot);color:#fff}
.btn .ar{transition:transform .35s var(--ease)}
.btn:hover .ar{transform:translate(3px,-3px)}
.btn-s{font-size:14px;padding:9px 16px}

/* mobile menu */
.mbtn{display:none;position:relative;width:42px;height:38px;border:1px solid var(--line-2);background:transparent;color:var(--white);cursor:pointer;flex:none}
.mbtn i{position:absolute;left:11px;right:11px;height:1.5px;background:currentColor;transition:transform .35s var(--ease),top .35s var(--ease)}
.mbtn i:nth-child(1){top:14px}
.mbtn i:nth-child(2){top:22px}
.mbtn[aria-expanded="true"] i:nth-child(1){top:18px;transform:rotate(45deg)}
.mbtn[aria-expanded="true"] i:nth-child(2){top:18px;transform:rotate(-45deg)}
@media (max-width:900px){.mbtn{display:block}.hd nav{gap:10px}}
.mnav{position:fixed;inset:0;z-index:69;background:var(--navy-d);padding:96px var(--gutter) calc(28px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:32px;overflow-y:auto;opacity:0;transition:opacity .3s}
.mnav[hidden]{display:none}
.mnav.on{opacity:1}
.mnav .ml{list-style:none;border-top:1px solid var(--line-2)}
.mnav .ml a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:13px 0 14px;border-bottom:1px solid var(--line);text-decoration:none;font-weight:900;font-size:clamp(24px,7vw,38px);line-height:1.2;opacity:0;transform:translateY(14px);transition:opacity .45s var(--ease),transform .45s var(--ease),color .2s}
.mnav .ml a .mono{font-weight:400;white-space:nowrap}
.mnav.on .ml a{opacity:1;transform:none}
.mnav .ml li:nth-child(2) a{transition-delay:.04s}.mnav .ml li:nth-child(3) a{transition-delay:.08s}.mnav .ml li:nth-child(4) a{transition-delay:.12s}.mnav .ml li:nth-child(5) a{transition-delay:.16s}.mnav .ml li:nth-child(6) a{transition-delay:.2s}.mnav .ml li:nth-child(7) a{transition-delay:.24s}.mnav .ml li:nth-child(8) a{transition-delay:.28s}
.mnav .ml a[aria-current],.mnav .ml a:active{color:var(--hot)}
.mnav .mf{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:auto}
.mnav .mf a{font-size:14px;color:var(--mute);text-decoration:none;border-bottom:1px solid var(--line-2);padding-bottom:2px}
.mnav .mf a.cta{color:var(--white);border-color:var(--hot)}
.menu-open,.menu-open body{overflow:hidden}
.menu-open .hd{background:var(--navy-d);border-color:var(--line)}
.menu-open .brand b{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.mnav,.mnav .ml a{transition:none}}

/* page sub-navigation (sections of this page / sibling pages) */
.subnav{position:fixed;top:72px;left:10px;right:10px;z-index:68;display:flex;align-items:center;gap:clamp(16px,2.2vw,28px);height:44px;padding:0 clamp(14px,2.4vw,30px);border-bottom:1px solid transparent;font-size:13.5px;overflow-x:auto;scrollbar-width:none;white-space:nowrap;transition:background .35s,border-color .35s}
.subnav::-webkit-scrollbar{display:none}
.hd.on + .subnav{background:rgba(11,22,48,.88);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-color:var(--line)}
.subnav .mono{color:var(--dim);padding-right:clamp(12px,1.6vw,20px);border-right:1px solid var(--line-2)}
.subnav a{text-decoration:none;color:var(--mute);transition:color .2s;position:relative;padding:4px 0}
.subnav a:hover,.subnav a.on,.subnav a[aria-current]{color:var(--white)}
.subnav a.on::after,.subnav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--hot)}
@media (min-width:901px){html{scroll-padding-top:134px}}
@media (max-width:900px){.subnav{display:none}}
.mnav .ms .mono{display:block;margin-bottom:6px}
.mnav .ml2{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:20px}
.mnav .ml2 a{display:block;padding:9px 0;border-bottom:1px solid var(--line);text-decoration:none;font-size:15.5px;font-weight:500;color:var(--mute);transition:color .2s}
.mnav .ml2 a[aria-current]{color:var(--hot)}
.hd nav a[aria-current]{color:var(--white)}
.hd nav a[aria-current]::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--hot)}

/* 技術組 dropdown (desktop) */
.dd{position:relative}
.dd-t{background:none;border:0;padding:0;font:inherit;color:var(--mute);cursor:pointer;display:inline-flex;align-items:center;gap:6px;position:relative;transition:color .2s}
.dd-t:hover,.dd-t[aria-expanded="true"],.dd-t[data-current]{color:var(--white)}
.dd-t[data-current]::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--hot)}
.dd-t .car{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .3s var(--ease)}
.dd-t[aria-expanded="true"] .car{transform:translateY(1px) rotate(225deg)}
.dd-p{position:absolute;top:calc(100% + 22px);left:50%;width:290px;margin-left:-145px;background:var(--navy-d);border:1px solid var(--line-2);padding:8px;box-shadow:0 22px 44px rgba(0,0,0,.45);animation:ddIn .28s var(--ease)}
.dd-p[hidden]{display:none}
@keyframes ddIn{from{opacity:0;transform:translateY(-6px)}}
.hd nav .dd-p a{display:grid;grid-template-columns:64px minmax(0,1fr);gap:14px;align-items:center;padding:8px;text-decoration:none;color:var(--white);transition:background .2s}
.hd nav .dd-p a:hover,.hd nav .dd-p a:focus-visible,.hd nav .dd-p a[aria-current]{background:rgba(255,255,255,.07)}
.hd nav .dd-p a[aria-current] b{color:var(--hot)}
.hd nav .dd-p a::after{content:none}
.dd-p img{width:64px;height:42px;object-fit:cover}
.dd-p b{display:block;font-size:16px;font-weight:700;line-height:1.3}
.dd-p .mono{font-size:10.5px}
.hd nav .dd-p .all{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:6px;padding:11px 8px 6px;font-size:13px;color:var(--mute)}
.hd nav .dd-p .all:hover{color:var(--white);background:none}
@media (max-width:900px){.dd{display:none}}
@media (prefers-reduced-motion:reduce){.dd-p{animation:none}}
/* 技術組 accordion (mobile menu) */
.mnav .ml .mexp{width:100%;display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:13px 0 14px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--white);font:inherit;font-weight:900;font-size:clamp(24px,7vw,38px);line-height:1.2;text-align:left;cursor:pointer;opacity:0;transform:translateY(14px);transition:opacity .45s var(--ease),transform .45s var(--ease),color .2s}
.mnav.on .ml .mexp{opacity:1;transform:none}
.mnav .ml li:nth-child(4) .mexp{transition-delay:.12s}
.mnav .ml .mexp[data-current]{color:var(--hot)}
.mnav .ml .mexp .mono{font-weight:400;white-space:nowrap}
.mnav .ml .mexp i{font-style:normal;display:inline-block;margin-left:6px;transition:transform .3s var(--ease)}
.mnav .ml .mexp[aria-expanded="true"] i{transform:rotate(45deg)}
.mnav .msub{list-style:none;border-bottom:1px solid var(--line);padding:4px 0 10px 18px}
.mnav .msub[hidden]{display:none}
.mnav .ml .msub a{opacity:1;transform:none;font-size:19px;font-weight:700;padding:9px 0;border-bottom:0;transition:color .2s}
.mnav .ml .msub a[aria-current]{color:var(--hot)}

/* metal plate */
.pf{position:relative;aspect-ratio:1194/784;max-width:100%}
.pf::after{content:"";position:absolute;inset:0;background:url(../img/frame.webp) center/100% 100% no-repeat;pointer-events:none;z-index:3}
.pf.sh{filter:drop-shadow(0 18px 28px rgba(0,0,0,.45))}
.pi{position:absolute;left:6%;right:5.5%;top:8.5%;bottom:8%;overflow:hidden;background:#0a1328}
.pi img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cap{display:flex;justify-content:space-between;gap:16px;margin-top:12px;align-items:baseline}
.cap .t{font-size:14.5px;font-weight:500}

/* labels */
.lab{display:flex;align-items:center;gap:14px;margin-bottom:22px;flex-wrap:wrap}
.lab .ln{height:1px;width:clamp(24px,5vw,64px);background:var(--line-2)}
.lab b{font-weight:700;font-size:15px;letter-spacing:.08em}
.sec{border-top:1px solid var(--line);padding:clamp(90px,11vw,150px) 0}
.h2{font-weight:900;font-size:clamp(30px,4.2vw,58px);line-height:1.22;text-wrap:balance}
.lead{color:var(--mute);font-size:clamp(16px,1.35vw,18px);max-width:34em;margin-top:clamp(18px,2.2vw,28px)}
.lead strong{color:var(--white);font-weight:500}
.two{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(28px,6vw,96px);align-items:start}
@media (max-width:860px){.two{grid-template-columns:1fr}}

/* placeholder for content the team still has to write */
.todo{border:1px dashed var(--hot);padding:16px 18px 18px;color:var(--mute);font-size:15px;line-height:1.75;background:rgba(255,122,26,.05)}
.todo::before{content:"待補";display:inline-block;font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;color:var(--hot);border:1px solid var(--hot);padding:0 6px;margin-right:10px;vertical-align:1px}
* + .todo{margin-top:18px}

/* ---------- HERO ---------- */
.hero{padding:clamp(120px,14vw,170px) 0 clamp(70px,8vw,110px)}
.hero .grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:clamp(28px,5vw,80px);align-items:start;margin-top:clamp(10px,1.4vw,20px)}
.hero .en{display:block;font-family:var(--latin);font-style:italic;font-weight:800;font-size:clamp(40px,11vw,156px);line-height:.92;letter-spacing:-.035em;margin-top:18px;overflow:hidden;padding-bottom:.06em}
.hero .en > span{display:inline-block}
.hero h1{font-weight:900;font-size:clamp(28px,3.2vw,44px);line-height:1.25;display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.hero h1 .tag{font-family:var(--mono);font-size:11px;font-weight:400;letter-spacing:.06em;color:var(--hot);border:1px solid var(--hot);padding:1px 8px}
.hero .lead{max-width:30em}
@media (max-width:860px){.hero .grid{grid-template-columns:1fr}}

/* scope chips */
.scope{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}
.scope li{font-size:14px;border:1px solid var(--line-2);padding:5px 12px 6px;line-height:1.4}

/* ---------- ACHIEVED: project records ---------- */
.recs{margin-top:clamp(48px,6vw,80px);border-top:1px solid var(--line-2)}
.rec{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,5fr) minmax(0,4fr);gap:clamp(20px,3.4vw,52px);padding:clamp(28px,3.4vw,44px) 0;border-bottom:1px solid var(--line);align-items:start}
.rec .when{font-family:var(--latin);font-weight:700;font-size:clamp(22px,2.2vw,30px);letter-spacing:-.01em;line-height:1}
.rec h3{font-size:clamp(20px,1.9vw,26px);font-weight:700;line-height:1.4;margin-top:12px}
.rec h3 .mono{display:block;font-weight:400;margin-bottom:4px}
.rec p{color:var(--mute);font-size:15.5px}
.rec p + p{margin-top:10px}
.rec .pf{width:100%}
@media (max-width:1000px){.rec{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.rec .pf{grid-column:1 / -1;order:-1;max-width:520px}}
@media (max-width:640px){.rec{grid-template-columns:1fr}}
.kv{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-2);margin-top:18px}
.kv > div{padding:9px 14px 11px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);min-width:0}
.kv > div:nth-child(2n){border-right:0}
.kv > div:nth-last-child(-n+2){border-bottom:0}
.kv .k{font-family:var(--mono);font-size:10.5px;color:var(--mute);letter-spacing:.05em}
.kv .v{font-weight:700;font-size:15.5px;margin-top:2px;line-height:1.45}

/* ---------- WHAT YOU'LL DO ---------- */
.do{list-style:none;border-top:1px solid var(--line-2)}
.do li{display:grid;grid-template-columns:28px 1fr;padding:14px 0 15px;border-bottom:1px solid var(--line);font-size:clamp(16px,1.4vw,18px);font-weight:500;line-height:1.6}
.do li::before{content:"";width:8px;height:8px;border:1px solid var(--white);transform:rotate(45deg);margin-top:.6em}

/* ---------- NEXT ---------- */
.next{list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--line-2);margin-top:clamp(40px,5vw,64px)}
.next li{padding:clamp(18px,2vw,26px) clamp(16px,2vw,28px) clamp(22px,2.4vw,32px);border-right:1px solid var(--line)}
.next li:last-child{border-right:0}
.next .y{font-family:var(--latin);font-weight:700;font-size:clamp(24px,2.4vw,34px);letter-spacing:-.01em;line-height:1;color:var(--hot)}
.next h4{font-size:17.5px;font-weight:700;margin-top:14px;line-height:1.5}
.next p{color:var(--mute);font-size:14.5px;margin-top:6px;line-height:1.75}
@media (min-width:701px){.next.n3{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:700px){.next{grid-template-columns:1fr}.next li{border-right:0;border-bottom:1px solid var(--line)}.next li:last-child{border-bottom:0}}

/* ---------- OTHER TEAMS + CTA ---------- */
.others{border-top:1px solid var(--line);padding:clamp(80px,10vw,140px) 0 clamp(40px,5vw,60px)}
.olist{list-style:none;margin-top:18px;border-top:1px solid var(--line-2)}
.olist a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:clamp(16px,2vw,24px) 0;border-bottom:1px solid var(--line);text-decoration:none;transition:color .25s}
.olist b{font-weight:900;font-size:clamp(30px,4.6vw,64px);line-height:1.1;transition:transform .45s var(--ease)}
.olist .mono{white-space:nowrap}
.olist .en{font-family:var(--latin);font-style:italic;font-weight:600;font-size:.42em;color:var(--mute);margin-left:.5em;transition:color .25s}
.olist .ar{font-family:var(--latin);font-size:clamp(24px,3vw,40px);line-height:1}
@media (hover:hover){.olist a:hover{color:var(--hot)}.olist a:hover b{transform:translateX(14px)}.olist a:hover .en{color:var(--white)}}
@media (max-width:560px){.olist .en{display:block;margin:4px 0 0}}
.launch{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:clamp(60px,8vw,110px);padding:clamp(26px,3.6vw,46px) clamp(22px,3vw,40px);border:1px solid var(--white);text-decoration:none;position:relative;overflow:hidden;isolation:isolate}
.launch::before{content:"";position:absolute;inset:0;background:var(--hot);transform:translateY(101%);transition:transform .6s var(--ease);z-index:-1}
.launch:hover::before{transform:none}
.launch b{font-weight:900;font-size:clamp(26px,4.2vw,60px);line-height:1.15;display:block}
.launch .mono{display:block;margin-bottom:10px;transition:color .3s}
.launch:hover .mono{color:#fff}
.launch .ar{font-family:var(--latin);font-weight:500;font-size:clamp(34px,5vw,72px);line-height:1;transition:transform .5s var(--ease)}
.launch:hover .ar{transform:translate(8px,-8px)}
.copy{display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px 20px;margin-top:clamp(60px,8vw,100px);padding:16px 0 30px;border-top:1px solid var(--line);font-size:12px;color:var(--dim)}
.copy a{text-decoration:none;color:var(--mute)}
.copy a:hover{color:var(--white)}

.gs .rv{opacity:0;transform:translateY(26px)}