:root{--blue:#0095de;--blue-d:#0077b3;--green:#649536;--green-d:#4a7327;--navy:#0b2239;--ink:#1c2b3a;--muted:#566677;--line:#e3eaf1;--bg:#f5f8fb;--card:#fff;--r:16px;--r-s:10px;--shadow:0 1px 2px rgba(11,34,57,.06),0 8px 24px rgba(11,34,57,.07);--max:1160px;--grad:linear-gradient(90deg,var(--blue),var(--green))}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}a{color:var(--blue-d)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:var(--navy);font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 14px;border-radius:8px;z-index:100}.skip:focus{left:8px}
html[data-lang=id] [lang=en],html[data-lang=en] [lang=id]{display:none!important}
/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);font-weight:800;letter-spacing:.04em}
.brand img{height:40px;width:auto}
.menu{display:flex;gap:4px;margin-left:auto;align-items:center}
.menu a{color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:999px;font-weight:600;font-size:.92rem}
.menu a:hover{background:var(--bg);color:var(--blue-d)}
.lang{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-left:8px}
.lang button{border:0;background:none;padding:6px 11px;font-weight:700;font-size:.78rem;font-family:inherit;color:var(--muted);cursor:pointer}
.lang button[aria-pressed=true]{background:var(--navy);color:#fff}
.burger{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;width:42px;height:42px;cursor:pointer}
.burger span,.burger span:before,.burger span:after{display:block;width:18px;height:2px;background:var(--navy);margin:auto;position:relative}
.burger span:before,.burger span:after{content:"";position:absolute;left:0}.burger span:before{top:-6px}.burger span:after{top:6px}
.btn-nav{margin-left:8px;padding:8px 16px;border-radius:999px;background:var(--grad);color:#fff!important;font-weight:700;font-size:.88rem;text-decoration:none;white-space:nowrap}.btn-nav:hover{filter:brightness(1.07);background:var(--grad)!important}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;text-decoration:none;border:2px solid transparent;font-size:.95rem;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(0,149,222,.28)}.btn-primary:hover{filter:brightness(1.05)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-line{border-color:var(--line);color:var(--navy);background:#fff}.btn-line:hover{border-color:var(--blue);color:var(--blue-d)}
/* hero */
.hero{position:relative;color:#fff;background:linear-gradient(115deg,rgba(11,34,57,.94) 0%,rgba(11,34,57,.82) 48%,rgba(11,34,57,.45) 100%),url(../img/heropng.webp) center/cover;padding:112px 0 120px}
.hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#8fd3f5;margin-bottom:14px}
.hero h1{color:#fff;font-size:clamp(2rem,4.4vw,3.3rem);margin-bottom:.4em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#4cc3ff,#9bd35a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.12rem;color:#d4e3ef;max-width:620px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);border-radius:var(--r);padding:26px;backdrop-filter:blur(10px)}
.hero-card h2{color:#fff;font-size:1rem;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px}
.hero-card ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.hero-card li{display:flex;gap:12px;align-items:flex-start;color:#e6f0f7;font-size:.95rem}
.hero-card svg{flex:none;width:22px;height:22px;color:#7fd0ff;margin-top:2px}
/* sections */
section{padding:88px 0}.alt{background:var(--bg)}
.sec-head{max-width:720px;margin:0 auto 48px;text-align:center}
.sec-head .eyebrow{color:var(--green-d)}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.3rem)}
.sec-head p{color:var(--muted);font-size:1.05rem}
.grid{display:grid;gap:22px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(11,34,57,.06),0 14px 32px rgba(11,34,57,.1)}
.ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(0,149,222,.12),rgba(100,149,54,.14));color:var(--blue-d);margin-bottom:16px}
.ico svg{width:24px;height:24px}
.card h3{font-size:1.1rem}.card p{color:var(--muted);font-size:.95rem;margin-bottom:0}
.card ul{margin:12px 0 0;padding-left:18px;color:var(--muted);font-size:.92rem}.card li{margin:4px 0}
/* about */
.about{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.about img{border-radius:var(--r);box-shadow:var(--shadow);width:100%}
.about h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.about p{color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tags span{font-size:.82rem;font-weight:700;color:var(--blue-d);background:rgba(0,149,222,.09);padding:6px 12px;border-radius:999px}
/* vm */
.vm .grid{align-items:start}
.vm .card h3{display:flex;align-items:center;gap:10px}
.vm ol{margin:0;padding-left:20px;color:var(--muted)}.vm ol li{margin:10px 0}
.centered{display:flex;flex-wrap:wrap;justify-content:center}.centered>*{flex:0 1 calc((100% - 44px)/3)}
/* products (gaya kartu bidang riset Lab ME, versi ringkas) */
.areas{display:flex;flex-wrap:wrap;justify-content:center;gap:20px}
.area{flex:0 1 calc((100% - 40px)/3);display:grid;grid-template-columns:92px 1fr;column-gap:14px;align-items:start;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:22px;text-decoration:none;color:inherit;transition:transform .2s,border-color .2s,box-shadow .2s}
.area:hover{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 2px 4px rgba(11,34,57,.06),0 14px 32px rgba(11,34,57,.1)}
.area:focus-visible{outline:3px solid rgba(0,149,222,.45);outline-offset:2px}
.area__logo{grid-row:1/5;display:grid;place-items:center;width:92px;height:68px;border-radius:14px;background:var(--bg);padding:8px 10px}
.area__logo img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.area__kick{font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--green-d)}
.area h3{font-size:1.15rem;margin:2px 0 6px}
.area p{color:var(--muted);font-size:.9rem;line-height:1.55;margin:0}
.area__go{grid-column:2;margin-top:10px;display:inline-flex;gap:6px;align-items:center;font-size:.86rem;font-weight:700;color:var(--blue-d)}
.area__go svg{width:16px;height:16px;transition:transform .2s}.area:hover .area__go svg{transform:translateX(3px)}
.src{text-align:center;margin-top:28px;color:var(--muted);font-size:.95rem}.src a{font-weight:700}
/* research */
.res{display:grid;gap:14px;max-width:880px;margin:0 auto;padding:0;list-style:none}
.res li{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-s);padding:16px 20px;align-items:flex-start}
.res .ico{margin:0;flex:none;width:42px;height:42px}.res b{display:block;color:var(--navy)}.res span{color:var(--muted);font-size:.93rem}
.note{text-align:center;color:var(--muted);margin-top:28px;font-weight:600}
/* video */
.vid{display:grid;grid-template-columns:2fr 1fr;gap:22px;align-items:start}
.player{position:relative;aspect-ratio:16/9;border-radius:var(--r);overflow:hidden;background:#000;box-shadow:var(--shadow)}
.player iframe,.player button{position:absolute;inset:0;width:100%;height:100%;border:0}
.player button{background:#000 center/cover;cursor:pointer;padding:0}
.player button:after{content:"";position:absolute;left:50%;top:50%;width:68px;height:48px;margin:-24px 0 0 -34px;border-radius:14px;background:#e62117}
.player button:before{content:"";position:absolute;left:50%;top:50%;margin:-10px 0 0 -5px;border-style:solid;border-width:10px 0 10px 18px;border-color:transparent transparent transparent #fff;z-index:1}
.vlist{display:grid;gap:10px}
.vlist button{display:flex;gap:12px;align-items:center;text-align:left;border:1px solid var(--line);background:#fff;border-radius:var(--r-s);padding:8px;cursor:pointer;font-family:inherit;color:var(--ink);font-weight:600;font-size:.88rem}
.vlist button[aria-current=true]{border-color:var(--blue);box-shadow:0 0 0 3px rgba(0,149,222,.15)}
.vlist img{width:84px;height:63px;object-fit:cover;border-radius:8px;flex:none}
/* team */
.sub{font-size:.8rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:44px 0 18px;text-align:center}
.team{display:grid;gap:22px;grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}
.team.five{display:flex;flex-wrap:wrap;justify-content:center}.team.five>*{flex:0 1 calc((100% - 88px)/5)}
.member{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px 18px;text-align:center;cursor:pointer;font-family:inherit;color:inherit;box-shadow:var(--shadow);transition:transform .2s}
.member:hover{transform:translateY(-3px)}
.member img{width:112px;height:112px;border-radius:50%;object-fit:cover;margin:0 auto 14px;border:3px solid #fff;box-shadow:0 0 0 2px var(--blue)}
.member h3{font-size:.98rem;margin-bottom:4px}.member .role{font-size:.8rem;font-weight:700;color:var(--green-d);display:block;margin-bottom:8px}
.member p{font-size:.84rem;color:var(--muted);margin:0}
dialog{border:0;border-radius:var(--r);padding:0;max-width:640px;width:calc(100% - 32px);box-shadow:0 24px 60px rgba(11,34,57,.35)}
dialog::backdrop{background:rgba(11,34,57,.6)}
.dlg{padding:32px}.dlg img{width:96px;height:96px;border-radius:50%;object-fit:cover;margin-bottom:12px;box-shadow:0 0 0 2px var(--blue)}
.dlg .role{color:var(--green-d);font-weight:700;margin-bottom:14px}.dlg p,.dlg li{color:var(--muted);font-size:.95rem}
.dlg .row{display:flex;gap:10px;justify-content:flex-end;margin-top:22px}
/* contact */
.contact{background:linear-gradient(135deg,var(--navy),#12395c);color:#fff}
.contact h2,.contact h3{color:#fff}.contact .sec-head p{color:#c3d4e2}.contact .eyebrow{color:#8fd3f5}
.cbox{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px;margin:0 auto}
.cbox .c{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--r);padding:24px;text-align:center}
.cbox .c svg{width:26px;height:26px;color:#7fd0ff;margin-bottom:10px}.cbox h3{font-size:.95rem;margin-bottom:6px}
.cbox a{color:#fff;font-weight:600;word-break:break-all}.cbox p{margin:0;color:#d4e3ef;font-size:.95rem}
footer{background:#07151f;color:#9fb3c4;padding:30px 0;font-size:.9rem}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}footer a{color:#c9d8e4}
.rv{opacity:0;transform:translateY(16px);transition:opacity .6s,transform .6s}.rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
@media (max-width:980px){.centered>*{flex-basis:calc((100% - 22px)/2)}.g3,.g4{grid-template-columns:repeat(2,1fr)}.team.five>*{flex-basis:calc((100% - 44px)/3)}.hero .wrap,.about,.vid{grid-template-columns:1fr}.hero{padding:80px 0 88px}.cbox{grid-template-columns:1fr}}
@media (max-width:820px){.burger{display:block}.menu{display:none;position:absolute;left:0;right:0;top:68px;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:12px 24px 18px;gap:2px}.menu.open{display:flex}.menu .lang{align-self:flex-start;margin:8px 0 0}.btn-nav{margin:8px 0 0;text-align:center}.nav .lang-d{display:none}}
@media (max-width:980px){.area{flex-basis:calc((100% - 20px)/2)}}
@media (max-width:620px){.area{flex-basis:100%}.centered>*{flex-basis:100%}section{padding:64px 0}.g2,.g3,.g4{grid-template-columns:1fr}.team.five>*{flex-basis:calc((100% - 22px)/2)}.team{grid-template-columns:repeat(2,1fr)}.member{padding:18px 10px}.member img{width:88px;height:88px}.wrap{padding:0 18px}}