:root{--steel:#1c2024;--steel2:#2a3036;--yellow:#f5b800;--orange:#e8590c;--concrete:#e6e4df;--paper:#f7f6f3;--ink:#1c2024;--mute:#5b636b}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;font:400 17px/1.6 Barlow,system-ui,sans-serif;color:var(--ink);background:var(--paper)}
h1,h2,h3{font-family:'Barlow Condensed',Impact,sans-serif;line-height:1.05;margin:0 0 .5em;letter-spacing:.01em}
h2{font-size:clamp(2rem,5vw,3.2rem);font-weight:800}h3{font-size:1.45rem;font-weight:700}
p{margin:0 0 1em;max-width:62ch}a{color:inherit}
.wrap{width:min(1120px,100% - 2.5rem);margin-inline:auto}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
/* nav */
.nav{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:.7rem 1.25rem;background:var(--steel);color:#fff}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font:700 1.25rem 'Barlow Condensed'}
.logo{background:var(--yellow);color:var(--steel);padding:.1rem .5rem;font:800 1.2rem 'Barlow Condensed';clip-path:polygon(0 0,100% 0,100% 70%,85% 100%,0 100%)}
#menu{display:flex;align-items:center;gap:1.4rem}#menu a{text-decoration:none;font-weight:500}#menu a:not(.btn):hover{color:var(--yellow)}
.burger{display:none;background:none;border:0;padding:.5rem;cursor:pointer}.burger i{display:block;width:24px;height:3px;background:#fff;margin:5px 0}
/* buttons */
.btn{display:inline-block;background:var(--yellow);color:var(--steel);font:700 1.1rem 'Barlow Condensed';padding:.75rem 1.5rem;border:2px solid var(--yellow);text-decoration:none;cursor:pointer;transition:background .15s,color .15s}
.btn:hover{background:#fff;border-color:#fff}.btn.sm{padding:.4rem 1rem}
.btn.ghost{background:transparent;color:#fff;border-color:#fff}.btn.ghost:hover{background:#fff;color:var(--steel)}
.btn.dk{background:var(--steel);color:#fff;border-color:var(--steel)}.btn.dk:hover{background:var(--orange);border-color:var(--orange)}
/* hero: gambar kerja (blueprint) */
.hero{background:linear-gradient(rgba(28,32,36,.93),rgba(28,32,36,.97)),repeating-linear-gradient(0deg,transparent 0 39px,#3a444c 39px 40px),repeating-linear-gradient(90deg,transparent 0 39px,#3a444c 39px 40px);background-color:var(--steel);color:#fff;padding:clamp(3rem,9vw,7rem) 0 0}
.hero h1{font-size:clamp(3.2rem,11vw,7.5rem);font-weight:800;text-transform:uppercase;margin-bottom:.3em}
.since{color:var(--yellow);font-weight:600;margin-bottom:.5rem}.lead{font-size:1.25rem;color:#cfd4d8}
.cta{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.6rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:clamp(2.5rem,6vw,4.5rem);background:#3a444c;border:1px solid #3a444c}
.stats div{background:var(--steel2);padding:1.2rem 1rem}.stats strong,.stats span{font:800 clamp(2rem,5vw,3rem) 'Barlow Condensed';color:var(--yellow)}.stats small{display:block;color:#cfd4d8}
.hazard{height:18px;background:repeating-linear-gradient(-45deg,var(--yellow) 0 22px,var(--steel) 22px 44px)}
/* sections */
.sec{padding:clamp(3rem,8vw,5.5rem) 0}.dark{background:var(--steel);color:#fff}.concrete{background:var(--concrete)}.yellow{background:var(--yellow)}
.two{display:grid;grid-template-columns:1.2fr 1fr;gap:clamp(1.5rem,5vw,4rem);align-items:start}
.panel{background:var(--steel);color:#fff;padding:1.6rem;border-left:8px solid var(--yellow)}
.check{list-style:none;padding:0;margin:0}.check li{padding:.5rem 0 .5rem 1.8rem;position:relative;border-bottom:1px solid #3a444c}.check li::before{content:"";position:absolute;left:0;top:1rem;width:.9rem;height:.9rem;background:var(--yellow);clip-path:polygon(0 50%,35% 85%,100% 10%,85% 0,35% 60%,15% 40%)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.2rem;margin-top:1.8rem}
.card{background:var(--steel2);border-top:5px solid var(--yellow);padding:1.4rem}.card p{color:#cfd4d8;margin:0}
.card.light{background:#fff;border-top-color:var(--steel)}.card.light p{color:var(--mute)}
.ic{font-size:2rem;display:block;margin-bottom:.4rem}.card h3 em{font:500 .95rem Barlow;color:var(--yellow);font-style:normal;display:block}
.pr{background:#fff;color:var(--ink);padding:0;border-top:0}.pr h3,.pr p,.pr dl{margin-inline:1.2rem}.pr p{color:var(--mute);margin-bottom:.8rem}
.thumb{height:130px;margin-bottom:1rem;background:repeating-linear-gradient(135deg,#d3d0c8 0 12px,#dcd9d1 12px 24px);display:flex;align-items:flex-end;padding:.6rem 1.2rem;border-bottom:5px solid var(--yellow)}
.thumb.has{background-size:cover;background-position:center;height:170px}.thumb.has span{background:var(--yellow);padding:0 .5rem}
.thumb span{font:800 2.2rem 'Barlow Condensed';color:var(--steel)}
.pr dl{display:grid;grid-template-columns:auto 1fr;gap:.2rem .8rem;font-size:.95rem;padding-bottom:1.2rem}.pr dt{color:var(--mute)}.pr dd{margin:0;font-weight:600}
.pr[hidden]{display:none}
.filters{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1rem}.filters button{font:600 1rem Barlow;padding:.45rem 1rem;background:#fff;border:2px solid var(--steel);cursor:pointer}.filters .on{background:var(--steel);color:#fff}
.sub{margin-top:3rem}.steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;padding:0;margin:1rem 0 0}
.steps li{counter-increment:s;background:#fff;padding:1rem;border-left:5px solid var(--orange)}.steps li::before{content:counter(s);display:block;font:800 1.8rem 'Barlow Condensed';color:var(--orange)}.steps b{display:block}.steps span{color:var(--mute);font-size:.95rem}
.quote{margin:0;background:#fff;padding:1.4rem;border-left:5px solid var(--yellow)}.quote footer{color:var(--mute);font-size:.95rem}
/* kontak */
.info{list-style:none;padding:0;margin:1.2rem 0}.info li{padding:.4rem 0;border-bottom:1px solid rgba(28,32,36,.25)}.info b{display:block;font:700 1rem 'Barlow Condensed'}
.form{background:#fff;padding:1.5rem;display:grid;gap:.9rem}.form label{display:grid;gap:.25rem;font-weight:600}
.form input,.form select,.form textarea{font:inherit;padding:.65rem;border:2px solid #b9b6ae;background:#fff;width:100%}.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--steel)}
.hp{position:absolute;left:-9999px}.ok{background:#e3f4e6;padding:.8rem;margin:0;border-left:5px solid #2e8b3d}.bad{background:#fde7e1;padding:.8rem;margin:0;border-left:5px solid #c0392b}
footer{background:var(--steel);color:#cfd4d8;padding:1.4rem 0}
.wa{position:fixed;right:1rem;bottom:1rem;width:54px;height:54px;border-radius:50%;background:#25d366;color:#fff;display:grid;place-items:center;font:800 1.1rem 'Barlow Condensed';text-decoration:none;box-shadow:0 4px 14px rgba(0,0,0,.3);z-index:15}
@media(max-width:820px){
  .burger{display:block}#menu{position:absolute;top:100%;left:0;right:0;background:var(--steel);flex-direction:column;align-items:stretch;gap:0;padding:.5rem 1.25rem 1rem;display:none;border-top:3px solid var(--yellow)}
  #menu.open{display:flex}#menu a{padding:.7rem 0;border-bottom:1px solid #3a444c}#menu .btn{text-align:center;margin-top:.7rem;border:2px solid var(--yellow)}
  .two{grid-template-columns:1fr}.stats{grid-template-columns:repeat(2,1fr)}.cta .btn{flex:1 1 100%;text-align:center}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}