/* =========================================================
   DESIGN TOKENS
   Tema: presisi teknik & konstruksi — blueprint x lapangan
   ========================================================= */
:root{
  --navy-950:#0D141C;
  --navy-900:#152230;
  --navy-800:#1D2E3D;
  --navy-700:#28404F;
  --amber-500:#E8760C;
  --amber-400:#F3934A;
  --amber-100:#FBE4CE;
  --concrete-50:#F5F2EA;
  --concrete-100:#ECE6D8;
  --concrete-200:#DED5C0;
  --ink-900:#1A211F;
  --ink-700:#3C4642;
  --steel-300:#9FB0BC;
  --steel-400:#7C8FA0;
  --line-light:#D9D0BC;
  --line-dark:#2B3D4B;

  --font-display:'Barlow Condensed', sans-serif;
  --font-body:'Work Sans', sans-serif;
  --font-mono:'Roboto Mono', monospace;

  --radius-sm:4px;
  --radius-md:8px;
  --container:1180px;
  --shadow-card:0 18px 40px -18px rgba(13,20,28,.35);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--concrete-50);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.05;
  margin:0 0 .5em;
  letter-spacing:.01em;
}
p{margin:0 0 1em;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid var(--amber-500);outline-offset:2px;}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* Eyebrow label bergaya anotasi gambar teknik */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:.75rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--amber-500);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:10px;height:10px;
  background:var(--amber-500);
  transform:rotate(45deg);
  flex:none;
}
.eyebrow--light{color:var(--amber-400);}

.section{
  padding:96px 0;
  position:relative;
}
.section-head{
  max-width:640px;
  margin-bottom:56px;
}
.section-head h2{
  font-size:clamp(2.1rem,4vw,3rem);
  color:var(--navy-950);
}
.section-head p{
  color:var(--ink-700);
  font-size:1.05rem;
  max-width:56ch;
}

/* =========================================================
   SIGNATURE ELEMENT — Ruler / Meteran Divider
   Garis pembatas antar section bergaya pita ukur (measuring tape)
   ========================================================= */
.ruler{
  height:22px;
  width:100%;
  background-image:
    repeating-linear-gradient(90deg,
      var(--line-light) 0 1.5px,
      transparent 1.5px 40px),
    repeating-linear-gradient(90deg,
      var(--navy-800) 0 1.5px,
      transparent 1.5px 200px);
  background-position:bottom left, bottom left;
  background-repeat:repeat-x;
  background-size:40px 60%, 200px 100%;
  opacity:.55;
}
.ruler--dark{
  background-image:
    repeating-linear-gradient(90deg,
      var(--line-dark) 0 1.5px,
      transparent 1.5px 40px),
    repeating-linear-gradient(90deg,
      var(--amber-400) 0 1.5px,
      transparent 1.5px 200px);
}

/* =========================================================
   NAVBAR
   ========================================================= */
.navbar{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(13,20,28,.0);
  transition:background .35s ease, box-shadow .35s ease, padding .3s ease;
  padding:22px 0;
}
.navbar.is-scrolled{
  background:rgba(13,20,28,.94);
  backdrop-filter:blur(6px);
  box-shadow:0 10px 30px -14px rgba(0,0,0,.5);
  padding:12px 0;
}
.navbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.25rem;
  color:#fff;
}
.brand img{height:38px;width:auto;}
.brand__badge{
  width:38px;height:38px;
  background:var(--amber-500);
  display:flex;align-items:center;justify-content:center;
  color:var(--navy-950);
  font-weight:800;
  border-radius:6px;
  flex:none;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-links a{
  color:var(--steel-300);
  font-size:.92rem;
  font-weight:600;
  letter-spacing:.02em;
  position:relative;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-links a:hover, .nav-links a.active{color:#fff;}
.nav-links a::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:2px;
  background:var(--amber-500);
  transition:width .25s ease;
}
.nav-links a:hover::after, .nav-links a.active::after{width:100%;}
.nav-cta{
  background:var(--amber-500);
  color:#fff !important;
  padding:10px 20px;
  border-radius:var(--radius-sm);
  font-weight:700 !important;
  font-size:.88rem !important;
}
.nav-cta::after{display:none;}
.nav-cta:hover{background:var(--amber-400);}

.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;border:0;padding:6px;
}
.nav-toggle span{width:26px;height:2px;background:#fff;display:block;transition:.25s;}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  background:
    linear-gradient(180deg,rgba(13,20,28,.86),rgba(13,20,28,.96)),
    var(--navy-950);
  overflow:hidden;
  padding-top:110px;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(var(--line-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-dark) 1px, transparent 1px);
  background-size:56px 56px;
  opacity:.35;
  mask-image:radial-gradient(ellipse at 30% 40%, black 0%, transparent 72%);
}
.hero::after{
  content:"";
  position:absolute;
  right:-8%;bottom:-12%;
  width:56%;aspect-ratio:1;
  border:1.5px solid var(--line-dark);
  border-radius:50%;
  opacity:.5;
}
.hero .container{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:end;
  padding-bottom:64px;
}
.hero-copy .eyebrow{color:var(--amber-400);}
.hero-copy h1{
  font-size:clamp(2.6rem,5.4vw,4.4rem);
  color:#fff;
  margin-bottom:20px;
}
.hero-copy h1 .stroke{
  position:relative;
  color:var(--amber-400);
  white-space:nowrap;
}
.hero-copy h1 .stroke::after{
  content:"";
  position:absolute;
  left:-2%;right:-2%;bottom:-.08em;
  height:.22em;
  background:var(--amber-500);
  opacity:.28;
  transform:skewX(-8deg);
  z-index:-1;
}
.hero-copy p{
  color:var(--steel-300);
  font-size:1.1rem;
  max-width:52ch;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 28px;
  border-radius:var(--radius-sm);
  font-weight:700;
  font-size:.95rem;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{background:var(--amber-500);color:#fff;}
.btn-primary:hover{background:var(--amber-400);}
.btn-outline{border-color:var(--line-dark);color:#fff;}
.btn-outline:hover{border-color:var(--amber-400);color:var(--amber-400);}
.btn-outline-dark{border-color:var(--navy-700);color:var(--navy-950);}
.btn-outline-dark:hover{border-color:var(--amber-500);color:var(--amber-500);}
.btn-block{width:100%;justify-content:center;}

.hero-stats{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-md);
  overflow:hidden;
}
.hero-stats div{
  padding:22px 18px;
  border-right:1px solid var(--line-dark);
  background:rgba(255,255,255,.02);
}
.hero-stats div:last-child{border-right:0;}
.hero-stats strong{
  display:block;
  font-family:var(--font-display);
  font-size:2.1rem;
  color:#fff;
  line-height:1;
}
.hero-stats span{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--steel-400);
}

.hero-panel{
  border:1px solid var(--line-dark);
  border-radius:var(--radius-md);
  padding:28px;
  background:rgba(255,255,255,.03);
}
.hero-panel h3{
  color:#fff;
  font-size:1.3rem;
  margin-bottom:14px;
}
.hero-panel ul{display:grid;gap:12px;}
.hero-panel li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  color:var(--steel-300);
  font-size:.94rem;
}
.hero-panel li svg{flex:none;margin-top:3px;color:var(--amber-500);}

/* =========================================================
   TENTANG KAMI
   ========================================================= */
.about{background:var(--concrete-50);}
.about-grid{
  display:grid;
  grid-template-columns:.9fr 1.1fr;
  gap:64px;
  align-items:start;
}
.about-visual{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--line-light);
  aspect-ratio:4/5;
  background:linear-gradient(160deg,var(--navy-800),var(--navy-950));
}
.about-visual .frame-mark{
  position:absolute;
  width:26px;height:26px;
  border:2px solid var(--amber-400);
}
.about-visual .frame-mark.tl{top:16px;left:16px;border-right:0;border-bottom:0;}
.about-visual .frame-mark.br{bottom:16px;right:16px;border-left:0;border-top:0;}
.about-visual-caption{
  position:absolute;left:20px;bottom:20px;right:20px;
  color:#fff;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  opacity:.8;
}
.about-copy p{color:var(--ink-700);}
.pillars{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin-top:32px;
}
.pillar{
  border:1px solid var(--line-light);
  background:#fff;
  padding:22px;
  border-radius:var(--radius-md);
}
.pillar h4{font-size:1.1rem;margin-bottom:6px;color:var(--navy-950);}
.pillar p{font-size:.92rem;color:var(--ink-700);margin:0;}

.vm-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-top:40px;
}
.vm-card{
  padding:28px;
  border-radius:var(--radius-md);
  border:1px solid var(--line-light);
  background:#fff;
}
.vm-card.mission{background:var(--navy-950);border-color:var(--navy-950);}
.vm-card h4{
  font-family:var(--font-mono);
  text-transform:uppercase;
  font-size:.78rem;
  letter-spacing:.14em;
  color:var(--amber-500);
  margin-bottom:12px;
}
.vm-card p{color:var(--ink-700);margin:0;}
.vm-card.mission h4{color:var(--amber-400);}
.vm-card ul{display:grid;gap:10px;}
.vm-card.mission ul li{color:var(--steel-300);}
.vm-card ul li{
  display:flex;gap:10px;
  font-size:.94rem;
  color:var(--ink-700);
}
.vm-card ul li::before{content:"—";color:var(--amber-500);flex:none;}

/* =========================================================
   LAYANAN
   ========================================================= */
.services{background:var(--navy-950);color:#fff;}
.services .section-head h2{color:#fff;}
.services .section-head p{color:var(--steel-300);}
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line-dark);
  border:1px solid var(--line-dark);
}
.service-card{
  background:var(--navy-950);
  padding:34px 28px;
  transition:background .25s ease;
}
.service-card:hover{background:var(--navy-900);}
.service-icon{
  width:52px;height:52px;
  border:1.5px solid var(--amber-500);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--amber-400);
  margin-bottom:20px;
}
.service-card h3{
  font-size:1.35rem;
  color:#fff;
  margin-bottom:10px;
}
.service-card p{
  color:var(--steel-300);
  font-size:.93rem;
  margin:0;
}

/* =========================================================
   GALLERY PROYEK
   ========================================================= */
.gallery-filter{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:40px;
}
.gallery-filter button{
  background:transparent;
  border:1px solid var(--line-light);
  padding:9px 18px;
  border-radius:999px;
  font-size:.86rem;
  font-weight:600;
  color:var(--ink-700);
  transition:.2s;
}
.gallery-filter button:hover{border-color:var(--amber-500);color:var(--amber-500);}
.gallery-filter button.active{
  background:var(--navy-950);
  border-color:var(--navy-950);
  color:#fff;
}
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.gallery-item{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:4/3.1;
  cursor:pointer;
  border:1px solid var(--line-light);
  background:var(--navy-800);
}
.gallery-item img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.gallery-item:hover img{transform:scale(1.06);}
.gallery-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(13,20,28,.92));
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:20px;
  color:#fff;
}
.gallery-overlay span{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--amber-400);
  margin-bottom:6px;
}
.gallery-overlay h4{font-size:1.15rem;margin:0;}
.gallery-item .frame-mark{
  position:absolute;width:18px;height:18px;
  border:2px solid rgba(255,255,255,.7);
  opacity:0;transition:opacity .25s ease;
}
.gallery-item:hover .frame-mark{opacity:1;}
.gallery-item .tl{top:12px;left:12px;border-right:0;border-bottom:0;}
.gallery-item .br{bottom:12px;right:12px;border-left:0;border-top:0;}

.empty-state{
  text-align:center;
  padding:60px 20px;
  color:var(--ink-700);
  border:1px dashed var(--line-light);
  border-radius:var(--radius-md);
}

/* Lightbox */
.lightbox{
  position:fixed;inset:0;
  background:rgba(13,20,28,.95);
  display:none;
  align-items:center;justify-content:center;
  z-index:2000;
  padding:24px;
}
.lightbox.is-open{display:flex;}
.lightbox-inner{
  max-width:900px;width:100%;
  background:var(--navy-900);
  border-radius:var(--radius-md);
  overflow:hidden;
  border:1px solid var(--line-dark);
}
.lightbox-inner img{width:100%;max-height:60vh;object-fit:cover;}
.lightbox-caption{padding:22px 26px;color:#fff;}
.lightbox-caption span{
  font-family:var(--font-mono);
  color:var(--amber-400);
  font-size:.72rem;
  letter-spacing:.1em;
  text-transform:uppercase;
}
.lightbox-caption h4{margin:8px 0 6px;font-size:1.3rem;}
.lightbox-caption p{color:var(--steel-300);margin:0;font-size:.92rem;}
.lightbox-close{
  position:absolute;top:28px;right:32px;
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line-dark);
  background:transparent;
  color:#fff;
  font-size:1.4rem;
  display:flex;align-items:center;justify-content:center;
}
.lightbox-close:hover{border-color:var(--amber-500);color:var(--amber-500);}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line-dark);
  background:rgba(13,20,28,.5);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;
}
.lightbox-nav:hover{border-color:var(--amber-500);color:var(--amber-500);}
.lightbox-prev{left:24px;}
.lightbox-next{right:24px;}

/* =========================================================
   CALL TO ACTION
   ========================================================= */
.cta{
  background:linear-gradient(120deg,var(--amber-500),#C85E05);
  padding:72px 0;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta::before{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg, rgba(255,255,255,.06) 0 2px, transparent 2px 26px);
}
.cta .container{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin-bottom:10px;}
.cta p{color:rgba(255,255,255,.9);max-width:46ch;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta .btn-primary{background:var(--navy-950);}
.cta .btn-primary:hover{background:var(--navy-900);}
.cta .btn-outline{border-color:rgba(255,255,255,.5);}
.cta .btn-outline:hover{border-color:#fff;color:#fff;}

/* =========================================================
   BERITA
   ========================================================= */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.news-card{
  border:1px solid var(--line-light);
  border-radius:var(--radius-md);
  overflow:hidden;
  background:#fff;
  display:flex;flex-direction:column;
  transition:box-shadow .25s ease, transform .25s ease;
}
.news-card:hover{box-shadow:var(--shadow-card);transform:translateY(-4px);}
.news-thumb{
  aspect-ratio:16/10;
  background:linear-gradient(160deg,var(--navy-800),var(--navy-950));
  overflow:hidden;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-date{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.08em;
  text-transform:uppercase;
  color:var(--amber-500);
}
.news-body h3{font-size:1.22rem;color:var(--navy-950);}
.news-body p{color:var(--ink-700);font-size:.93rem;margin:0 0 8px;flex:1;}
.news-link{
  font-weight:700;font-size:.88rem;
  color:var(--navy-950);
  display:inline-flex;align-items:center;gap:6px;
}
.news-link svg{transition:transform .2s ease;}
.news-link:hover svg{transform:translateX(4px);}
.news-link:hover{color:var(--amber-500);}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  background:var(--navy-950);
  color:var(--steel-300);
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:.92rem;max-width:34ch;}
.footer-social{display:flex;gap:12px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;
  border:1px solid var(--line-dark);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transition:.2s;
}
.footer-social a:hover{border-color:var(--amber-500);color:var(--amber-500);}
.footer-col h4{
  font-family:var(--font-mono);
  text-transform:uppercase;
  font-size:.75rem;
  letter-spacing:.12em;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col a, .footer-col li{font-size:.92rem;}
.footer-col a:hover{color:var(--amber-400);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;}
.footer-contact svg{flex:none;margin-top:3px;color:var(--amber-500);}
.footer-bottom{
  padding:26px 0;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  font-size:.84rem;
}
.footer-bottom a{color:var(--steel-300);}
.footer-bottom a:hover{color:var(--amber-400);}

/* WhatsApp float button */
.wa-float{
  position:fixed;
  bottom:26px;right:26px;
  z-index:900;
  width:58px;height:58px;
  border-radius:50%;
  background:#25D366;
  display:flex;align-items:center;justify-content:center;
  color:#fff;
  box-shadow:0 12px 26px -8px rgba(0,0,0,.45);
  transition:transform .2s ease;
}
.wa-float:hover{transform:scale(1.08);}

/* Back to top */
.back-to-top{
  position:fixed;
  bottom:26px;left:26px;
  z-index:900;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--navy-950);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;
  transition:.25s;
  border:1px solid var(--line-dark);
}
.back-to-top.is-visible{opacity:1;visibility:visible;}
.back-to-top:hover{border-color:var(--amber-500);color:var(--amber-500);}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease, transform .6s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1024px){
  .hero .container{grid-template-columns:1fr;}
  .hero-panel{display:none;}
  .about-grid{grid-template-columns:1fr;}
  .about-visual{aspect-ratio:16/9;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .nav-links{
    position:fixed;top:0;right:0;
    height:100vh;width:min(320px,80%);
    background:var(--navy-950);
    flex-direction:column;
    align-items:flex-start;
    padding:100px 28px 28px;
    transform:translateX(100%);
    transition:transform .3s ease;
  }
  .nav-links.is-open{transform:translateX(0);box-shadow:-20px 0 40px rgba(0,0,0,.4);}
  .nav-toggle{display:flex;}
  .nav-cta{width:100%;justify-content:center;}
  .section{padding:64px 0;}
  .service-grid, .gallery-grid, .news-grid{grid-template-columns:1fr;}
  .vm-grid, .pillars{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;padding-bottom:32px;}
  .cta .container{flex-direction:column;align-items:flex-start;}
  .hero-stats{grid-template-columns:1fr;}
  .hero-stats div{border-right:0;border-bottom:1px solid var(--line-dark);}
  .hero-stats div:last-child{border-bottom:0;}
}