:root{
  --navy:#08294b;--navy-2:#0d3a63;--gold:#f3b719;--gold-2:#ffc62d;
  --ink:#10243a;--muted:#617083;--line:#e6ebf0;--white:#fff;--soft:#f6f8fa;
  --shadow:0 14px 35px rgba(8,41,75,.10);--radius:10px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
a{color:inherit;text-decoration:none}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 4px 20px rgba(0,0,0,.04)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.brand img{display:block;width:230px;height:65px;object-fit:contain;object-position:center}
.nav{display:flex;align-items:center;gap:28px;font-size:13px;font-weight:600}.nav a:not(.btn){position:relative;padding:27px 0}.nav a:not(.btn):hover{color:var(--navy)}.nav a:not(.btn)::after{content:"";position:absolute;left:0;right:0;bottom:17px;height:2px;background:var(--gold);transform:scaleX(0);transition:.2s}.nav a:not(.btn):hover::after{transform:scaleX(1)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:7px;padding:13px 21px;font-weight:700;font-size:13px;border:1px solid transparent;transition:.2s;cursor:pointer}.btn-gold{background:var(--gold);color:#172a3d}.btn-gold:hover{background:var(--gold-2);transform:translateY(-1px)}.btn-outline{border-color:#fff;color:#fff;background:transparent}.btn-outline:hover{background:#fff;color:var(--navy)}.btn-outline.light{border-color:rgba(255,255,255,.55)}.btn-small{padding:10px 17px}.menu-toggle{display:none;border:0;background:none;padding:10px}.menu-toggle span{display:block;width:25px;height:2px;background:var(--navy);margin:5px}

.hero{min-height:590px;position:relative;background-image:url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1800&q=85");background-size:cover;background-position:center}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,24,43,.94) 0%,rgba(4,24,43,.78) 43%,rgba(4,24,43,.16) 100%)}.hero-content{min-height:590px;position:relative;display:flex;align-items:center;justify-content:space-between;color:#fff}.hero-copy{max-width:660px;padding:60px 0}.eyebrow{margin:0 0 8px;color:var(--gold);font-size:11px;font-weight:800;letter-spacing:1.5px}.hero h1{font-size:50px;line-height:1.08;margin:0 0 20px;letter-spacing:-1.5px}.hero h1 span{color:var(--gold)}.hero-text{font-size:16px;max-width:610px;color:#e8eef5;margin-bottom:28px}.hero-actions{display:flex;gap:12px}.guarantee{align-self:flex-end;margin-bottom:55px;border:1px solid rgba(255,255,255,.65);border-radius:8px;padding:13px 17px;display:flex;gap:10px;align-items:center;background:rgba(0,0,0,.18);backdrop-filter:blur(6px)}.guarantee-icon{width:34px;height:34px;border:2px solid var(--gold);border-radius:50%;display:grid;place-items:center;color:var(--gold);font-weight:900}.guarantee strong,.guarantee small{display:block}.guarantee strong{font-size:12px}.guarantee small{font-size:9px;color:#dce5ee}

.section{padding:80px 0}.service-layout{display:grid;grid-template-columns:270px 1fr;gap:55px}.section-intro h2,.about h2,.portfolio h2,.process h2,.contact h2,.faq h2{font-size:34px;line-height:1.15;margin:0 0 16px;letter-spacing:-.8px}.section-intro p:not(.eyebrow){color:var(--muted);font-size:14px}.text-link{font-size:13px;font-weight:800;display:inline-block;margin-top:14px}.text-link:hover{color:var(--gold)}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.service-card{position:relative;border:1px solid var(--line);border-radius:7px;overflow:hidden;background:#fff;box-shadow:0 6px 18px rgba(8,41,75,.07);transition:.2s;min-height:280px}.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.service-image{position:absolute;inset:0;background-size:contain;background-repeat:no-repeat;background-position:center;background-color:#fff}.service-image:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.85),rgba(0,0,0,.3),transparent)}
.img-membrane{background-image:url("assets/images/membran_bakar.jpg")}.img-coating{background-image:url("assets/images/waterproofing_coating_indonesia.jpg")}.img-injection{background-image:url("assets/images/injeksi_beton_indonesia.jpg")}.img-grouting{background-image:url("assets/images/grouting_system_indonesia.jpg")}.img-epoxy{background-image:url("assets/images/epoxy_lantai_indonesia_sbm.jpg")}.img-coring{background-image:url("assets/images/coring_beton_indonesia.jpg")}.service-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px;display:grid;grid-template-columns:29px 1fr 12px;gap:10px;align-items:start}.service-icon{width:29px;height:29px;border-radius:50%;background:rgba(255,255,255,.2);color:#fff;display:grid;place-items:center;font-size:13px;backdrop-filter:blur(4px)}.service-body h3{font-size:13px;margin:0 0 3px;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.8)}.service-body p{font-size:10px;color:#fff;line-height:1.45;margin:0;text-shadow:0 2px 4px rgba(0,0,0,.8)}.service-body>a{font-weight:800;font-size:15px;margin-top:22px}

.about{position:relative;background:#f5f7f9;padding:0}.about-image{position:absolute;left:0;top:0;bottom:0;width:38%;background:url("https://images.unsplash.com/photo-1541888946425-d81bb19240f5?auto=format&fit=crop&w=1200&q=85") center/cover}.about-inner{position:relative;min-height:500px;display:grid;grid-template-columns:38% 1fr 250px;gap:34px;align-items:center}.about-copy{padding:65px 0}.about-copy>p:not(.eyebrow){font-size:13px;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:27px}.stats div{border-left:2px solid var(--gold);padding-left:10px}.stats strong{display:block;font-size:21px;color:var(--navy)}.stats span{display:block;font-size:9px;color:var(--muted)}.strengths{background:#fff;border:1px solid var(--line);border-radius:8px;padding:25px;box-shadow:var(--shadow)}.strengths h3{font-size:14px;margin:0 0 12px}.strengths ul{list-style:none;margin:0;padding:0}.strengths li{font-size:11px;padding:7px 0 7px 20px;position:relative;border-bottom:1px solid #f0f2f4}.strengths li:before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:900}

.portfolio{background:linear-gradient(120deg,#071c30,#0d3455);color:#fff}.portfolio-layout{display:grid;grid-template-columns:250px 1fr;gap:55px}.portfolio-copy p:not(.eyebrow){color:#c9d5df;font-size:13px}.portfolio-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.portfolio-item{font-size:10px;font-weight:700}.portfolio-img{height:150px;border-radius:6px;background-size:cover;background-position:center;margin-bottom:8px}.p1{background-image:url("assets/images/injeksi_beton_indonesia.jpg")}.p2{background-image:url("")}.p3{background-image:url("")}.p4{background-image:url("")}.p5{background-image:url("")}.p6{background-image:url("")}.portfolio-item small{font-weight:400;color:#b9c8d5}

.process-layout{display:grid;grid-template-columns:245px 1fr;gap:50px}.process-steps{display:grid;grid-template-columns:repeat(5,1fr)}.step{padding:0 17px;border-left:1px solid var(--line);position:relative}.step b{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--gold);font-size:12px;margin-bottom:12px}.step h3{font-size:12px;margin:0 0 6px}.step p{font-size:10px;color:var(--muted);margin:0}

.contact{position:relative;background:#0b2944;color:#fff;overflow:hidden}.contact-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,26,45,.95),rgba(5,26,45,.75)),url("https://images.unsplash.com/photo-1504307651254-35680f356dfd?auto=format&fit=crop&w=1800&q=80") center/cover}.contact-layout{position:relative;display:grid;grid-template-columns:1fr 440px;gap:60px;align-items:center}.contact-copy h2{max-width:500px}.contact-copy>p:not(.eyebrow){color:#d0dce7;font-size:13px;max-width:530px}.contact-info{display:flex;gap:35px;margin:25px 0}.contact-info strong,.contact-info span{display:block}.contact-info strong{font-size:11px;color:var(--gold)}.contact-info span{font-size:14px;font-weight:700}.contact-form{background:#fff;color:var(--ink);padding:27px;border-radius:8px;box-shadow:0 20px 50px rgba(0,0,0,.2)}.contact-form h3{margin:0 0 18px;font-size:17px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.contact-form label{font-size:10px;font-weight:700;display:block;margin-bottom:12px}.contact-form input,.contact-form select,.contact-form textarea{font:inherit;font-size:12px;width:100%;margin-top:6px;border:1px solid #dbe2e8;border-radius:5px;padding:10px 11px;outline:none;background:#fff}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--gold)}.contact-form button{width:100%}.form-note{display:block;text-align:center;color:#7b8793;margin-top:9px;font-size:9px}

.faq{background:#fff}.narrow{max-width:850px}.faq h2{margin-bottom:25px}.faq details{border-top:1px solid var(--line);padding:17px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:700;font-size:14px}.faq details p{color:var(--muted);font-size:13px;margin:10px 0 0}

.footer{background:#071a2b;color:#b8c5d0;padding-top:55px}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr 1fr 1.1fr;gap:45px;padding-bottom:45px}.footer-logo{width:210px;height:65px;object-fit:contain;object-position:left center;background:#fff;border-radius:4px;margin-bottom:10px}.footer-grid p,.footer-grid a,.footer-grid span{display:block;font-size:11px;line-height:1.8}.footer-grid h4{color:#fff;font-size:12px;margin:0 0 12px}.footer-grid a:hover{color:var(--gold)}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:16px 0;display:flex;justify-content:space-between;font-size:10px}

@media(max-width:1050px){.nav{gap:17px}.service-layout,.process-layout{grid-template-columns:1fr}.section-intro{max-width:650px}.portfolio-grid{grid-template-columns:repeat(3,1fr)}.portfolio-img{height:130px}.about-inner{grid-template-columns:38% 1fr}.strengths{grid-column:2}.about-copy{padding:55px 0}.contact-layout{grid-template-columns:1fr 400px}}
@media(max-width:800px){.container{width:min(100% - 28px,680px)}.nav-wrap{height:68px}.brand img{width:175px}.menu-toggle{display:block}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;box-shadow:0 10px 25px rgba(0,0,0,.08);padding:10px 20px 20px;flex-direction:column;align-items:stretch;gap:0}.nav.open{display:flex}.nav a:not(.btn){padding:11px 0}.nav a:not(.btn)::after{display:none}.nav .btn{margin-top:8px}.hero,.hero-content{min-height:620px}.hero h1{font-size:38px}.hero-content{align-items:flex-start}.hero-copy{padding-top:100px}.guarantee{display:none}.service-grid{grid-template-columns:1fr 1fr}.about-image{position:relative;width:100%;height:260px}.about-inner{display:block;min-height:0}.about-copy{padding:50px 0 20px}.strengths{margin:10px 0 50px}.stats{grid-template-columns:repeat(2,1fr);gap:18px}.portfolio-layout{grid-template-columns:1fr;gap:30px}.portfolio-grid{grid-template-columns:repeat(3,1fr)}.process-steps{grid-template-columns:1fr 1fr;gap:20px}.step{border:0;border-left:2px solid var(--line)}.contact-layout{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-bottom{flex-direction:column;gap:7px}}
@media(max-width:520px){.section{padding:60px 0}.hero h1{font-size:31px}.hero-text{font-size:14px}.hero-actions{flex-direction:column;align-items:stretch}.service-grid{grid-template-columns:1fr}.portfolio-grid{grid-template-columns:1fr 1fr}.portfolio-img{height:120px}.process-steps{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.contact-info{flex-direction:column;gap:12px}.footer-grid{grid-template-columns:1fr}.footer-bottom{font-size:9px}.section-intro h2,.about h2,.portfolio h2,.process h2,.contact h2,.faq h2{font-size:28px}}
.seo-keywords{max-width:1180px;margin:15px auto;padding:0 20px 20px;font-size:11px;color:#8fa0b2;line-height:1.8;text-align:center}
.seo-content{padding:20px 0 40px}
.seo-content p{font-size:14px;color:#617083;line-height:1.8}