/* ============ Tokens ============ */
:root{
  --navy-deep:#0D2036;
  --navy:#14304C;
  --navy-line:#2C4A66;
  --navy-line-soft:#3C5A76;
  --gold:#C89B3C;
  --gold-soft:#E4C77A;
  --cream:#F6F5F1;
  --white:#FFFFFF;
  --ink:#17222D;
  --muted:#5B6672;
  --muted-on-dark:#AEB9C4;
  --border:#E3E0D7;
  --radius:2px;
  --max:1120px;
  --font-head:'Archivo', sans-serif;
  --font-body:'Inter', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--cream);
  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-head);margin:0 0 .5em;color:var(--ink);line-height:1.15;font-weight:700;}
p{margin:0 0 1em;}
.container{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:2px;
}

/* ============ Type helpers ============ */
.eyebrow{
  font-family:var(--font-head);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--gold);
  margin:0 0 .9em;
}
.eyebrow-light{color:var(--gold-soft);}
.eyebrow-gold{color:var(--gold);}
.eyebrow.small{font-size:.7rem;margin-bottom:.4em;}
h2{font-size:clamp(1.6rem,3vw,2.35rem);max-width:640px;}
h2.on-dark{color:var(--white);}
.sub-heading{font-size:1.15rem;margin-top:2em;}
.lead{font-size:1.08rem;color:var(--ink);max-width:560px;}
.muted{color:var(--muted);max-width:560px;}
.on-dark-muted{color:var(--muted-on-dark);}
.gold-text{color:var(--gold);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.85em 1.6em;
  font-family:var(--font-head);
  font-weight:600;
  font-size:.92rem;
  border-radius:var(--radius);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .15s ease, background .2s ease, border-color .2s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-gold{background:var(--gold);color:var(--navy-deep);}
.btn-gold:hover{background:var(--gold-soft);}
.btn-outline-light{border-color:rgba(255,255,255,.35);color:var(--white);}
.btn-outline-light:hover{border-color:var(--gold-soft);}
.btn-small{padding:.6em 1.2em;font-size:.85rem;}
.btn-full{width:100%;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(246,245,241,.96);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 14px rgba(13,32,54,.08);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  padding:16px 24px;
}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto;}
.brand-logo{height:68px;width:auto;display:block;}
.main-nav{display:flex;gap:28px;}
.main-nav a{
  color:var(--navy-line-soft);font-size:.92rem;font-weight:500;
  padding:6px 2px;border-bottom:2px solid transparent;
  transition:color .2s ease, border-color .2s ease;
}
.main-nav a:hover,.main-nav a.is-active{color:var(--navy-deep);border-color:var(--gold);}
.header-cta{white-space:nowrap;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:38px;height:38px;background:none;border:1px solid var(--border);
  border-radius:var(--radius);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:18px;margin:0 auto;background:var(--navy-deep);}

/* ============ Sections ============ */
.section{padding:88px 0;}
.section-light{background:var(--cream);}
.section-dark{background:var(--navy);}
.section-dark + .section-dark{padding-top:0;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:96px 0 80px;
  overflow:hidden;
  background:
    linear-gradient(100deg, rgba(9,20,34,.94) 0%, rgba(9,20,34,.82) 30%, rgba(13,32,54,.55) 55%, rgba(13,32,54,.35) 100%),
    url("assets/hero-bg.png") center center / cover no-repeat;
}
.hero-inner{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.hero-copy h1{
  color:var(--white);
  font-size:clamp(2.2rem,4.6vw,3.4rem);
  letter-spacing:-.01em;
}
.hero-lead{color:var(--muted-on-dark);font-size:1.08rem;max-width:520px;}
.hero-actions{display:flex;gap:14px;margin-top:8px;flex-wrap:wrap;}
.hero-diagram{width:100%;max-width:420px;margin:0 auto;}
.hero-diagram .node circle{transition:stroke .2s ease;}

/* ============ About (Tentang Kami) ============ */
.about-col{grid-template-columns:.92fr 1.08fr;gap:64px;align-items:center;}
.about-media{position:relative;}
.about-media-frame{
  position:relative;
  overflow:hidden;
  border-radius:4px;
  aspect-ratio:4/3;
  box-shadow:0 24px 48px -16px rgba(13,32,54,.28);
}
.about-media-frame::after{
  content:"";position:absolute;inset:0;
  border:1px solid rgba(255,255,255,.14);
  border-radius:4px;
  pointer-events:none;
}
.about-media-frame img{
  width:100%;height:100%;object-fit:cover;
  transform:scale(1.01);
  transition:transform .6s ease;
}
.about-media:hover .about-media-frame img{transform:scale(1.06);}
.about-media::before{
  content:"";position:absolute;
  top:-16px;left:-16px;right:24px;bottom:24px;
  border:1.5px solid var(--gold);
  border-radius:4px;
  z-index:-1;
}
.about-badge{
  position:absolute;right:-18px;bottom:-22px;
  background:var(--navy-deep);color:var(--white);
  padding:16px 22px;border-radius:2px;
  box-shadow:0 14px 30px -8px rgba(13,32,54,.45);
  font-family:var(--font-head);line-height:1.2;
  border-left:3px solid var(--gold);
}
.about-badge strong{display:block;font-size:1.05rem;font-weight:800;letter-spacing:.01em;}
.about-badge span{display:block;font-size:.72rem;letter-spacing:.12em;color:var(--gold-soft);font-weight:600;margin-top:2px;}
.about-copy .pillar-grid{margin-top:36px;}

/* ============ Pillars (about) ============ */
.pillar-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--border);}
.pillar{
  padding:22px 0;border-bottom:1px solid var(--border);
  display:flex;align-items:center;gap:12px;
  transition:gap .2s ease;
}
.pillar:hover{gap:16px;}
.pillar:hover .pillar-dot{background:var(--navy);}
.pillar:nth-child(odd){padding-right:20px;border-right:1px solid var(--border);}
.pillar:nth-child(even){padding-left:20px;}
.pillar-dot{width:9px;height:9px;background:var(--gold);flex-shrink:0;border-radius:1px;transition:background .2s ease;}
.pillar h3{margin:0;font-size:1.05rem;}

/* ============ Vision quote ============ */
.vision-quote{
  margin:36px 0 0;padding:28px 32px;
  border-left:3px solid var(--gold);
  background:rgba(255,255,255,.03);
  color:var(--white);
  font-family:var(--font-head);
  font-style:italic;font-weight:500;
  font-size:1.2rem;max-width:640px;
  line-height:1.5;
}
.check-list{margin-top:20px;}
.check-list li{
  position:relative;padding:12px 0 12px 30px;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#DCE2E8;font-size:.98rem;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:18px;
  width:10px;height:10px;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);
  transform:rotate(-45deg);
}
.two-col-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}

/* ============ Value grid ============ */
.value-grid{
  margin-top:32px;
  display:grid;grid-template-columns:1fr 1fr;gap:0 40px;
}
.value-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid var(--border);
}
.value-item h3{font-size:1.02rem;margin-bottom:.25em;}
.value-item p{margin:0;color:var(--muted);font-size:.94rem;}
.badge-circle{
  flex-shrink:0;
  width:42px;height:42px;border-radius:50%;
  border:1.5px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-head);font-weight:700;font-size:.82rem;
  color:var(--gold);
}
.badge-circle-gold{border-color:var(--gold-soft);color:var(--gold-soft);}

/* ============ Service detail modal ============ */
.modal-overlay{
  position:fixed;inset:0;z-index:100;
  background:rgba(9,16,26,.72);
  display:flex;align-items:center;justify-content:center;
  padding:24px;
  opacity:0;visibility:hidden;
  transition:opacity .22s ease, visibility .22s ease;
}
.modal-overlay.is-open{opacity:1;visibility:visible;}
.modal-box{
  position:relative;
  background:var(--white);
  width:100%;max-width:700px;max-height:88vh;
  overflow-y:auto;
  border-radius:2px;
  transform:translateY(14px);
  transition:transform .22s ease;
}
.modal-overlay.is-open .modal-box{transform:translateY(0);}
.modal-close{
  position:absolute;top:14px;right:14px;z-index:2;
  width:36px;height:36px;border-radius:50%;
  background:var(--white);border:1px solid var(--border);
  font-size:1rem;color:var(--ink);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.modal-close:hover{border-color:var(--gold);color:var(--gold);}
.modal-media{width:100%;aspect-ratio:16/8;overflow:hidden;}
.modal-media svg,.modal-media img{width:100%;height:100%;display:block;object-fit:cover;}
.modal-content{padding:32px 36px 36px;}
.modal-content h3{font-size:1.5rem;max-width:520px;}
.modal-checklist{margin-top:22px;}
.modal-checklist li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border);
}
.modal-checklist li:last-child{border-bottom:none;}
.modal-checklist h4{margin:0 0 .3em;font-size:.98rem;color:var(--ink);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.modal-checklist p{margin:0;color:var(--muted);font-size:.92rem;}
.check-icon{
  flex-shrink:0;color:var(--gold);font-weight:700;font-size:1rem;
  width:20px;line-height:1.6;
}
.modal-subheading{
  border-bottom:none !important;padding-bottom:0 !important;padding-top:24px !important;
  font-family:var(--font-head);font-weight:700;color:var(--ink);font-size:1rem;
}
.modal-tagrow{display:none;flex-wrap:wrap;gap:10px;margin-top:24px;}
.modal-tagrow span{
  border:1px solid var(--border);color:var(--muted);
  font-size:.82rem;padding:.4em .9em;border-radius:2px;
}
.modal-processflow{
  display:none;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:24px;padding:16px 20px;
  border:1px solid var(--border);
  font-family:var(--font-head);font-weight:600;color:var(--ink);font-size:.88rem;
}
.modal-processflow .arrow{color:var(--gold);}
.modal-content .principle-box{margin-top:22px;}
.modal-content .principle-box p{color:var(--muted);}
.modal-content .price-note{color:var(--muted);margin-top:20px;}

/* ============ Service overview cards ============ */
.service-grid{
  margin-top:40px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.service-card{
  background:var(--white);
  border:1px solid var(--border);
  display:flex;flex-direction:column;
  transition:transform .18s ease, box-shadow .18s ease;
}
.service-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(13,32,54,.1);}
.service-card-media{
  position:relative;
  aspect-ratio:200/130;
  overflow:hidden;
  background:var(--card-tint, var(--border));
}
.service-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(13,32,54,0) 55%, rgba(13,32,54,.55) 100%);
  pointer-events:none;
}
.service-illus{
  width:100%;height:100%;display:block;object-fit:cover;
  transform:scale(1.02);
  transition:transform .5s ease;
}
.service-card:hover .service-illus{transform:scale(1.1);}
.service-card-badge{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--navy-deep);color:var(--gold-soft);
  font-family:var(--font-head);font-weight:700;font-size:.78rem;
  padding:.35em .7em;letter-spacing:.03em;
}
.service-card-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.service-card-body h3{font-size:1.15rem;margin-bottom:.5em;}
.service-card-body p{color:var(--muted);font-size:.92rem;flex:1;}
.service-link{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:14px;border-top:1px solid var(--border);
  background:none;border-left:none;border-right:none;border-bottom:none;
  font-family:var(--font-head);font-weight:700;font-size:.85rem;color:var(--ink);
  cursor:pointer;text-align:left;width:100%;
}
.service-link .arrow-icon{color:var(--gold);font-size:1rem;transition:transform .18s ease;}
.service-link:hover{color:var(--navy);}
.service-link:hover .arrow-icon{transform:translate(2px,-2px);}

/* ============ Service tabs ============ */
.service-tabs{
  display:flex;flex-wrap:wrap;gap:10px;
  margin:36px 0 40px;
}
.tab-btn{
  background:transparent;
  border:1px solid var(--navy-line);
  color:var(--muted-on-dark);
  font-family:var(--font-head);font-size:.85rem;font-weight:600;
  padding:.65em 1.1em;border-radius:var(--radius);cursor:pointer;
  transition:all .18s ease;
}
.tab-btn:hover{border-color:var(--gold);color:var(--white);}
.tab-btn.is-active{background:var(--gold);border-color:var(--gold);color:var(--navy-deep);}

.tab-panel{display:none;}
.tab-panel.is-active{display:block;animation:fadein .25s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}
.tab-panel h3{color:var(--white);font-size:1.5rem;max-width:560px;}

.skill-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:0 40px;margin-top:24px;
}
.skill-grid.single-col{grid-template-columns:1fr;}
.skill-item{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.08);
}
.skill-item.full{grid-column:1/-1;}
.skill-item h4{color:var(--white);margin:0 0 .4em;font-size:.98rem;display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.skill-item p{margin:0;color:var(--muted-on-dark);font-size:.9rem;}
.price-tag{
  display:inline-block;
  font-family:var(--font-body);font-weight:600;font-size:.74rem;
  color:var(--navy-deep);background:var(--gold-soft);
  padding:.25em .6em;border-radius:2px;letter-spacing:.01em;white-space:nowrap;
}
.price-note{
  margin-top:20px;font-size:.8rem;color:var(--muted-on-dark);
  font-style:italic;max-width:640px;
}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag-row span{
  border:1px solid var(--navy-line);color:#D8DEE5;
  font-size:.85rem;padding:.45em 1em;border-radius:var(--radius);
}

.process-flow{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:30px;padding:18px 22px;
  border:1px solid var(--navy-line);
  font-family:var(--font-head);font-weight:600;color:var(--white);letter-spacing:.03em;font-size:.9rem;
}
.process-flow .arrow{color:var(--gold);}
.center-note{max-width:600px;margin-top:22px;}

.procurement-layout{display:grid;grid-template-columns:.7fr 1.3fr;gap:48px;margin-top:28px;}
.numbered-steps li{
  display:flex;align-items:center;gap:14px;
  padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08);
  color:var(--white);font-weight:600;font-family:var(--font-head);
}
.step-num{
  width:30px;height:30px;border-radius:50%;border:1.5px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:.8rem;color:var(--gold);flex-shrink:0;
}
.plain-list li{
  position:relative;padding:8px 0 8px 18px;color:var(--muted-on-dark);font-size:.94rem;
}
.plain-list li::before{content:"–";position:absolute;left:0;color:var(--gold);}
.principle-box{
  margin-top:22px;padding:20px 24px;
  background:rgba(255,255,255,.04);border-left:3px solid var(--gold);
}
.principle-box p{margin:0;color:#DCE2E8;font-size:.95rem;}
.principle-box.wide{background:var(--white);border-left:3px solid var(--gold);margin-top:36px;}
.principle-box.wide p{color:var(--muted);}

/* ============ Contact ============ */
.contact-section h2{max-width:520px;}
.contact-card{
  margin-top:44px;background:var(--white);border-radius:var(--radius);
  display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;
}
.contact-info{padding:44px;border-right:1px solid var(--border);}
.contact-info h3{font-size:1.3rem;}
.contact-block{margin-top:18px;}
.contact-block p{margin:.2em 0 0;color:var(--ink);font-size:.95rem;}
.contact-block a:hover{color:var(--gold);}
.tagline-footer{margin-top:26px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:.82rem;}

.contact-form{padding:44px;display:flex;flex-direction:column;gap:14px;}
.contact-form h3{font-size:1.3rem;}
.contact-form label{display:flex;flex-direction:column;gap:6px;font-size:.85rem;font-weight:600;color:var(--ink);}
.contact-form input,.contact-form select,.contact-form textarea{
  font-family:var(--font-body);font-size:.95rem;
  padding:.7em .8em;border:1px solid var(--border);border-radius:var(--radius);
  background:var(--cream);color:var(--ink);resize:vertical;
}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--gold);}
.form-note{min-height:1.2em;font-size:.85rem;color:var(--gold);margin:0;}

/* ============ Footer ============ */
.site-footer{background:var(--navy-deep);padding:24px 0;}
.footer-inner{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;
  color:var(--muted-on-dark);font-size:.8rem;
}

/* ============ Back to top ============ */
.back-to-top{
  position:fixed;right:20px;bottom:20px;z-index:60;
  width:42px;height:42px;border-radius:50%;
  background:var(--gold);color:var(--navy-deep);border:none;
  font-size:1.1rem;cursor:pointer;
  box-shadow:0 4px 14px rgba(0,0,0,.25);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.back-to-top:hover{transform:translateY(-2px);}

/* ============ Floating WhatsApp ============ */
.float-wa{
  position:fixed;right:20px;bottom:74px;z-index:60;
  width:48px;height:48px;border-radius:50%;
  background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(37,211,102,.45);
  transition:transform .2s ease, box-shadow .2s ease;
}
.float-wa:hover{transform:translateY(-2px) scale(1.04);box-shadow:0 10px 22px rgba(37,211,102,.55);}
.float-wa::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  box-shadow:0 0 0 0 rgba(37,211,102,.55);
  animation:wa-pulse 2.4s ease-out infinite;
}
@keyframes wa-pulse{
  0%{box-shadow:0 0 0 0 rgba(37,211,102,.45);}
  80%{box-shadow:0 0 0 14px rgba(37,211,102,0);}
  100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}

/* ============ Scroll progress ============ */
.scroll-progress{
  position:absolute;top:0;left:0;height:2px;width:0%;
  background:linear-gradient(90deg, var(--gold), var(--gold-soft));
  z-index:2;transition:width .1s linear;
}

/* ============ Scroll reveal ============ */
.reveal{
  opacity:0;
  transform:translateY(26px);
  transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible{opacity:1;transform:translateY(0);}
.service-grid .reveal:nth-child(2){transition-delay:.08s;}
.service-grid .reveal:nth-child(3){transition-delay:.16s;}
.service-grid .reveal:nth-child(4){transition-delay:.24s;}
@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .float-wa::before{animation:none;}
}

/* ============ Responsive ============ */
@media (max-width:900px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    background:var(--cream);
    flex-direction:column;gap:0;
    max-height:0;overflow:hidden;
    transition:max-height .25s ease;
    border-bottom:1px solid var(--border);
    box-shadow:0 8px 16px rgba(13,32,54,.08);
  }
  .main-nav.is-open{max-height:400px;}
  .main-nav a{padding:14px 24px;border-bottom:1px solid var(--border);color:var(--navy-deep);}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}

  .hero-inner{grid-template-columns:1fr;}
  .hero-diagram{max-width:320px;order:-1;}
  .two-col{grid-template-columns:1fr;gap:32px;}
  .about-col{gap:44px;}
  .about-media{max-width:420px;margin:0 auto;}
  .about-media::before{top:-10px;left:-10px;right:16px;bottom:16px;}
  .about-badge{right:-8px;bottom:-16px;padding:12px 16px;}
  .pillar-grid{grid-template-columns:1fr;}
  .pillar:nth-child(odd){border-right:none;padding-right:0;}
  .pillar:nth-child(even){padding-left:0;}
  .two-col-list{grid-template-columns:1fr;}
  .value-grid{grid-template-columns:1fr;}
  .skill-grid{grid-template-columns:1fr;}
  .procurement-layout{grid-template-columns:1fr;gap:28px;}
  .contact-card{grid-template-columns:1fr;}
  .contact-info{border-right:none;border-bottom:1px solid var(--border);}
  .service-tabs{gap:8px;}
  .tab-btn{font-size:.78rem;padding:.55em .9em;}
  .service-grid{grid-template-columns:1fr 1fr;gap:18px;}
}
@media (max-width:560px){
  .service-grid{grid-template-columns:1fr;}
}