:root{
  --abyss:#0A2238; --pacific:#145A7A; --tide:#5BA7C6; --mist:#EEF4F7; --white:#FFFFFF;
  --ink:#13212E; --slate:#566676; --line:#D5DEE5;
  --wrap:1200px; --pad:clamp(20px,4vw,48px);
  --sans:"Manrope",system-ui,sans-serif; --serif:"Source Serif 4",Georgia,serif;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font:400 16px/1.7 var(--sans)}
img{display:block;max-width:100%}
a{color:var(--pacific)}
:focus-visible{outline:2px solid var(--tide);outline-offset:3px}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0}
html:not(.lang-id) .id{display:none}
html.lang-id .en{display:none}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 22px;font:700 14px/1 var(--sans);text-decoration:none;border:1.5px solid transparent;transition:background .25s,color .25s,border-color .25s}
.btn.light{background:var(--white);color:var(--abyss)}
.btn.light:hover{background:var(--mist)}
.btn.outline{border-color:var(--white);color:var(--white)}
.btn.outline:hover{background:rgba(255,255,255,.12)}

/* header */
.hdr{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s}
.hdr-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:block;width:250px}
.brand img{width:100%;height:auto}
.brand .navy{display:none}
.hdr.solid{background:var(--white);box-shadow:0 1px 0 var(--line)}
.hdr.solid .brand .white{display:none}
.hdr.solid .brand .navy{display:block}
.nav{display:flex;gap:24px;font:600 13.5px/1 var(--sans)}
.nav a{color:#DDE8F0;text-decoration:none;padding:8px 0;border-bottom:1.5px solid transparent;transition:border-color .2s,color .2s}
.nav a:hover{color:var(--white);border-color:currentColor}
.hdr.solid .nav a{color:var(--slate)}
.hdr.solid .nav a:hover{color:var(--abyss)}
.hdr-r{display:flex;align-items:center;gap:14px}
.lang{display:flex;gap:2px;font:700 12px/1 var(--sans)}
.lang button{background:none;border:0;min-width:32px;min-height:32px;cursor:pointer;color:#9DB4C5;font:inherit}
.lang button[aria-pressed="true"]{color:var(--white)}
.hdr.solid .lang button{color:#8A9AA8}
.hdr.solid .lang button[aria-pressed="true"]{color:var(--abyss)}
.hdr .btn{min-height:40px;padding:10px 16px;font-size:13px;border-color:var(--white);color:var(--white)}
.hdr.solid .btn{background:var(--abyss);border-color:var(--abyss);color:var(--white)}

/* hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--white);overflow:hidden;background:var(--abyss)}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,34,56,.82),rgba(10,34,56,.62) 45%,rgba(10,34,56,.88))}
.hero-in{position:relative;z-index:1;padding:120px var(--pad) 90px;max-width:980px}
.hero h1{font:600 clamp(36px,5.2vw,62px)/1.12 var(--sans);letter-spacing:-.015em}
.hero p{margin:24px auto 0;max-width:58ch;font-size:clamp(16px,1.4vw,18px);color:#D5E2EB}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:34px}
.scroll{position:absolute;z-index:1;left:50%;bottom:26px;transform:translateX(-50%);font:600 12px/1 var(--sans);color:#B9CFDD;text-decoration:none}

/* sections */
.sec{padding:clamp(72px,9vw,120px) 0}
.sec.mist{background:var(--mist)}
.mk{display:flex;align-items:center;gap:12px;font:700 13px/1 var(--sans);color:var(--pacific);margin-bottom:16px}
.mk::before{content:"";display:block;width:44px;height:2px;background:var(--pacific)}
h2{font:700 clamp(30px,3.4vw,42px)/1.15 var(--sans);letter-spacing:-.01em;color:var(--abyss)}
.lead{color:var(--slate);font-size:16.5px;max-width:58ch}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,6vw,80px);align-items:center}
.split .txt{display:flex;flex-direction:column;gap:16px}
.ph{width:100%;aspect-ratio:4/3;object-fit:cover}
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:56px;padding-top:28px;border-top:1px solid var(--line)}
.facts b{display:block;font:700 30px/1 var(--sans);color:var(--pacific)}
.facts span{display:block;margin-top:8px;font-size:14px;color:var(--slate)}

/* services: tinted photo columns with hover glow */
.head-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.head-row .lead{max-width:42ch;font-size:15px}
.cols{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.col{position:relative;min-height:440px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px 22px;color:var(--white);overflow:hidden;isolation:isolate;transition:box-shadow .5s}
.col img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:grayscale(.6);transition:transform 1s var(--ease),filter .6s}
.col::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--tint);opacity:.86;transition:opacity .6s}
.col:nth-child(1){--tint:#0A2238}.col:nth-child(2){--tint:#10304D}.col:nth-child(3){--tint:#15405F}.col:nth-child(4){--tint:#1B4F72}
.col h3{font:700 22px/1.25 var(--sans)}
.col .rule{width:40px;height:2px;background:var(--tide);margin:14px 0;transition:width .5s var(--ease)}
.col p{font-size:14px;line-height:1.6;color:#D5E2EB;max-width:26ch}
.col:hover img,.col:focus-within img{transform:scale(1.07);filter:none}
.col:hover::before,.col:focus-within::before{opacity:.45}
.col:hover,.col:focus-within{box-shadow:0 0 0 1px var(--tide) inset,0 0 48px rgba(91,167,198,.35) inset}
.col:hover .rule{width:72px}

/* statement band */
.band{position:relative;min-height:380px;display:flex;align-items:center;color:var(--white);overflow:hidden;background:var(--abyss)}
.band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,34,56,.94),rgba(10,34,56,.72) 55%,rgba(10,34,56,.45))}
.band .wrap{position:relative;z-index:1;width:100%}
.band blockquote{margin:0;max-width:21ch;font:300 clamp(28px,3.6vw,44px)/1.2 var(--serif)}

/* approach */
.steps{list-style:none;margin:36px 0 0;padding:24px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;border-top:2px solid var(--pacific)}
.steps .n{font:700 13px/1 var(--sans);color:var(--pacific)}
.steps h3{margin:10px 0 6px;font:700 18px/1.3 var(--sans);color:var(--abyss)}
.steps p{font-size:14px;color:var(--slate)}
.princ{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:44px}
.princ div{background:var(--white);padding:24px}
.princ h3{font:700 17px/1.3 var(--sans);color:var(--abyss);margin-bottom:6px}
.princ p{font-size:14px;color:var(--slate)}

/* values */
.values{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px}
.val{background:var(--white);padding:28px 24px;border-top:3px solid var(--pacific);transition:box-shadow .4s,transform .4s var(--ease)}
.val:hover{box-shadow:0 12px 32px rgba(20,90,122,.16);transform:translateY(-3px)}
.val svg{width:36px;height:36px;fill:none;stroke:var(--pacific);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:16px}
.val h3{font:700 18px/1.3 var(--sans);color:var(--abyss);margin-bottom:8px}
.val p{font-size:14.5px;color:var(--slate)}

/* who + sectors */
.who p{font-size:15px;color:var(--slate)}
.who p b{color:var(--ink)}
.sectors{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:56px}
.sectors figure{margin:0}
.sectors .im{aspect-ratio:4/3;overflow:hidden;background:var(--mist);transition:box-shadow .5s}
.sectors img{width:100%;height:100%;object-fit:cover;filter:grayscale(.5);opacity:.85;transition:transform 1s var(--ease),filter .6s,opacity .6s}
.sectors figure:hover img{transform:scale(1.07);filter:none;opacity:1}
.sectors figure:hover .im{box-shadow:0 0 0 2px var(--tide),0 10px 32px rgba(20,90,122,.28)}
.sectors figcaption{margin-top:10px;font:600 13.5px/1.4 var(--sans);color:var(--abyss)}
.note{margin-top:18px;font-size:14px;color:var(--slate)}

/* faq */
.faq{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:clamp(32px,6vw,80px)}
details{border-top:1px solid #C9D5DE}
details:last-child{border-bottom:1px solid #C9D5DE}
summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:20px;padding:18px 0;font:600 16px/1.45 var(--sans);color:var(--abyss)}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--pacific);font-size:22px;line-height:1;transition:transform .3s}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 0 20px;font-size:15px;color:var(--slate);max-width:62ch}

/* contact + footer */
.contact{background:var(--abyss);color:var(--white)}
.contact .split{align-items:start}
.contact h2{color:var(--white)}
.contact .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.contact dl{margin:0;display:grid;gap:20px}
.contact dt{font:700 13px/1 var(--sans);color:var(--tide);margin-bottom:6px}
.contact dd{margin:0;font-size:15.5px;line-height:1.65;color:#D5E2EB}
.contact dd a{color:var(--white)}
footer{background:#081B2D;color:#9DB4C5;font-size:13px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;padding-top:28px;padding-bottom:28px}
.foot img{width:200px;height:auto}
.foot p{max-width:62ch;line-height:1.6}

@media (max-width:1000px){
  .nav{display:none}
  .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps,.values{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sectors{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:720px){
  .brand{width:190px}
  .hdr .btn{display:none}
  .split,.faq{grid-template-columns:1fr}
  .who .split .ph{order:-1}
  .facts,.princ,.steps,.values{grid-template-columns:1fr}
  .cols{grid-template-columns:1fr}
  .col{min-height:300px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important}
}

/* contact page */
.page-top{padding-top:calc(76px + clamp(48px,7vw,96px))}
.cform{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:clamp(36px,6vw,100px);align-items:start}
.cform h1{font:700 clamp(34px,4.2vw,50px)/1.1 var(--sans);letter-spacing:-.01em;color:var(--abyss)}
.cform .intro{display:flex;flex-direction:column;gap:18px}
.cform .intro p{color:var(--slate);font-size:15.5px}
.cform .intro dl{margin:10px 0 0;display:grid;gap:14px;font-size:14.5px}
.cform .intro dt{font:700 12.5px/1 var(--sans);color:var(--pacific);margin-bottom:4px}
.cform .intro dd{margin:0;color:var(--ink)}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px 48px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field.full{grid-column:1/-1}
.field label{font:600 14.5px/1.3 var(--sans);color:var(--ink)}
.field .req{color:var(--pacific)}
.field input,.field select,.field textarea{width:100%;font:400 16px/1.5 var(--sans);color:var(--ink);background:transparent;border:0;border-bottom:1.5px solid var(--pacific);border-radius:0;padding:10px 0;outline:none;transition:border-color .2s,box-shadow .2s}
.field textarea{resize:vertical;min-height:130px}
.field select{-webkit-appearance:none;appearance:none;cursor:pointer;padding-right:28px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%23145A7A' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center}
.field input:focus,.field select:focus,.field textarea:focus{border-bottom-color:var(--abyss);box-shadow:0 1.5px 0 var(--abyss)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:34px}
.form-foot small{font-size:13px;color:var(--slate);max-width:48ch}
.btn.dark{background:var(--abyss);color:var(--white);min-width:140px}
.btn.dark:hover{background:var(--pacific)}
.btn.dark:disabled{opacity:.6;cursor:wait}
.status{margin-top:20px;padding:12px 16px;font:600 14.5px/1.4 var(--sans)}
.status.ok{background:#E2F2EA;color:#145A3C}
.status.err{background:#FBEAE7;color:#8A2A1B}
@media (max-width:820px){
  .cform{grid-template-columns:1fr}
  .fields{grid-template-columns:1fr}
}