/* =========================================================
   PT Kali Mera Suvarna — Design tokens
   Palette: deep navy + brushed gold, echoing the company seal.
   Display: Source Serif 4 (gravitas) / Body: Inter / Data: IBM Plex Mono
   ========================================================= */
:root{
  --navy-900:#0A2540;
  --navy-800:#0F3357;
  --navy-700:#153E68;
  --gold-500:#C6A15B;
  --gold-600:#AD8845;
  --gold-100:#F3E7CD;
  --cream:#F7F4EC;
  --paper:#FFFFFF;
  --ink:#16212E;
  --ink-soft:#4A5768;
  --line:rgba(10,37,64,0.12);
  --line-light:rgba(255,255,255,0.18);

  --font-display:'Source Serif 4', Georgia, serif;
  --font-body:'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;

  --radius:26px;
  --radius-sm:16px;
  --radius-pill:999px;
  --shadow-soft:0 30px 60px -30px rgba(10,37,64,0.4);
  --wrap:1160px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:var(--font-display);
  color:var(--navy-900);
  line-height:1.15;
  margin:0 0 .5em;
  font-weight:600;
}
h1{font-size:clamp(2.1rem,4.2vw,3.4rem); letter-spacing:-0.01em;}
h2{font-size:clamp(1.6rem,2.6vw,2.3rem); letter-spacing:-0.005em;}
h3{font-size:1.15rem;}
p{margin:0 0 1em; color:var(--ink-soft);}
a{color:inherit;}
ul{margin:0; padding:0; list-style:none;}
img{max-width:100%; display:block;}

.wrap{
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 28px;
}

.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin:0 0 14px;
  display:inline-block;
}
.eyebrow-dark{color:var(--gold-600);}
.eyebrow-gold{color:var(--gold-500);}

/* buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:15px 30px;
  font-family:var(--font-body);
  font-weight:600;
  font-size:.95rem;
  border-radius:var(--radius-pill);
  text-decoration:none;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn-primary{
  background:var(--gold-500);
  color:var(--navy-900);
}
.btn-primary:hover{background:var(--gold-600);}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,0.5);
  color:var(--paper);
}
.btn-ghost:hover{border-color:var(--gold-500); color:var(--gold-100);}
.btn-block{width:100%;}

/* =========================================================
   HEADER
   ========================================================= */
.site-header{
  position:sticky; top:0; z-index:100;
  background:rgba(10,37,64,0.97);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line-light);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  padding-bottom:14px;
}
.brand-mark{height:42px; width:auto;}

.main-nav{
  display:flex;
  align-items:center;
  gap:30px;
}
.main-nav a{
  font-size:.92rem;
  font-weight:500;
  color:rgba(255,255,255,0.85);
  text-decoration:none;
  transition:color .15s ease;
}
.main-nav a:hover{color:var(--gold-500);}
.main-nav a.nav-cta{
  background:var(--gold-500);
  color:var(--navy-900);
  padding:10px 22px;
  border-radius:var(--radius-pill);
  font-weight:600;
}
.main-nav a.nav-cta:hover{background:var(--gold-600); color:var(--navy-900);}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px; height:40px;
  background:transparent;
  border:1px solid var(--line-light);
  border-radius:50%;
  cursor:pointer;
}
.nav-toggle span{
  display:block; height:2px; width:18px;
  background:var(--paper); margin:0 auto;
  transition:transform .2s ease, opacity .2s ease;
}

/* =========================================================
   HERO
   ========================================================= */
.hero{
  position:relative;
  background:
    linear-gradient(180deg, rgba(10,37,64,0.93), rgba(10,37,64,0.97)),
    url("assets/photo-cover.jpg") center 20%/cover no-repeat,
    var(--navy-900);
  color:var(--paper);
  overflow:hidden;
  padding:96px 0 80px;
}
.hero-bg{
  position:absolute; inset:0;
  background:
    radial-gradient(ellipse 620px 460px at 88% 8%, rgba(198,161,91,0.22), transparent 60%),
    radial-gradient(ellipse 500px 500px at 8% 95%, rgba(198,161,91,0.14), transparent 65%),
    radial-gradient(ellipse 380px 380px at 60% 60%, rgba(255,255,255,0.03), transparent 70%);
  pointer-events:none;
}
.hero-bg::before,
.hero-bg::after{
  content:"";
  position:absolute;
  border-radius:50%;
  border:1px solid rgba(198,161,91,0.25);
}
.hero-bg::before{
  width:420px; height:420px;
  top:-140px; right:-80px;
}
.hero-bg::after{
  width:220px; height:220px;
  bottom:-60px; left:12%;
  border-color:rgba(198,161,91,0.15);
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:1.35fr 0.9fr;
  gap:56px;
  align-items:start;
}
.hero-lede{
  font-size:1.08rem;
  color:rgba(255,255,255,0.78);
  max-width:52ch;
}
.hero h1{color:var(--paper);}
.hero .eyebrow{color:var(--gold-500); border-bottom:1px solid rgba(198,161,91,0.35); padding-bottom:10px;}
.hero-actions{display:flex; gap:16px; flex-wrap:wrap; margin-top:8px;}

.hero-panel{
  background:rgba(255,255,255,0.05);
  border:1px solid var(--line-light);
  border-radius:var(--radius);
  padding:30px;
  backdrop-filter:blur(2px);
  position:relative;
}
.panel-stamp{
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:8px;
  border-bottom:1px dashed rgba(198,161,91,0.4);
  padding-bottom:22px; margin-bottom:18px;
}
.panel-stamp::before{
  content:"";
  width:64px; height:64px;
  border-radius:50%;
  border:1.5px solid var(--gold-500);
  background:radial-gradient(circle, rgba(198,161,91,0.18), transparent 70%);
  margin-bottom:6px;
}
.stamp-label{font-family:var(--font-mono); font-size:.68rem; letter-spacing:.1em; text-transform:uppercase; color:var(--gold-500);}
.stamp-value{font-family:var(--font-display); font-size:1.2rem; color:var(--paper);}
.panel-row{
  display:flex; justify-content:space-between; gap:12px;
  font-size:.86rem;
  padding:12px 16px;
  margin-bottom:8px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,0.03);
  color:rgba(255,255,255,0.65);
}
.panel-row:last-child{margin-bottom:0;}
.panel-row strong{color:var(--paper); font-weight:600; text-align:right;}

/* =========================================================
   SECTION LAYOUT
   ========================================================= */
.section{padding:100px 0; position:relative; overflow:hidden;}
.section-tint{background:var(--cream);}
.section-navy{background:var(--navy-900); color:var(--paper);}
#visi-misi{
  position:relative;
  background:
    linear-gradient(100deg, rgba(10,37,64,0.97) 0%, rgba(10,37,64,0.86) 55%, rgba(10,37,64,0.97) 100%),
    url("assets/photo-tech.jpg") right center/cover no-repeat,
    var(--navy-900);
}
.section-photo{
  position:relative;
  color:var(--paper);
  background:
    linear-gradient(180deg, rgba(10,37,64,0.88), rgba(10,37,64,0.93)),
    url("assets/photo-workspace.jpg") center/cover no-repeat,
    var(--navy-900);
}
.section-photo h2,
.section-photo .eyebrow-dark{color:var(--gold-500);}
.section-photo h2{color:var(--paper);}
.section-photo .section-sub,
.section-photo p{color:rgba(255,255,255,0.72);}
.section-photo .advantage-card h3{color:var(--paper);}
.section-photo .advantage-icon{
  background:rgba(255,255,255,0.1);
  color:var(--gold-500);
}
#kontak{
  position:relative;
  background:
    linear-gradient(100deg, rgba(10,37,64,0.97) 0%, rgba(10,37,64,0.9) 45%, rgba(10,37,64,0.75) 100%),
    url("assets/photo-contact.jpg") right center/cover no-repeat,
    var(--navy-900);
}
.section-navy p{color:rgba(255,255,255,0.7);}
.section-navy h2{color:var(--paper);}

/* organic wave transition between sections */
.wave-divider{
  position:absolute;
  top:0; left:0; width:100%;
  line-height:0;
  transform:translateY(-99%);
  pointer-events:none;
  z-index:2;
}
.wave-divider svg{display:block; width:100%; height:90px;}

.section-head{max-width:640px; margin:0 auto 48px;}
.section-sub{font-size:1.02rem;}

/* Kata pengantar */
.intro-section{background:var(--paper);}
.photo-banner{
  position:relative;
  margin:0 0 48px;
  height:340px;
  border-radius:var(--radius);
  overflow:hidden;
}
.photo-banner img{
  width:100%; height:100%;
  object-fit:cover;
  object-position:center 30%;
}
.photo-banner::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(180deg, rgba(10,37,64,0.1), rgba(10,37,64,0.7));
}
.photo-banner figcaption{
  position:absolute; left:30px; bottom:24px;
  z-index:1;
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gold-100);
}
.intro-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:56px;
}
.intro-heading h2{font-size:clamp(1.5rem,2.4vw,2rem);}

/* Tentang kami */
.split-grid{
  display:grid;
  grid-template-columns:0.85fr 1.15fr;
  gap:56px;
}

/* Visi misi */
.vm-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:48px;
}
.vm-card{
  position:relative;
  padding-left:28px;
}
.vm-card::before{
  content:"";
  position:absolute;
  left:0; top:6px; bottom:6px;
  width:4px;
  border-radius:var(--radius-pill);
  background:var(--gold-500);
}
.vm-text{font-size:1.08rem; color:rgba(255,255,255,0.82); max-width:46ch;}
.vm-list li{
  position:relative;
  padding:10px 0 10px 26px;
  border-bottom:1px solid rgba(255,255,255,0.1);
  color:rgba(255,255,255,0.78);
  font-size:.96rem;
}
.vm-list li:last-child{border-bottom:none;}
.vm-list li::before{
  content:"";
  position:absolute; left:0; top:19px;
  width:8px; height:8px;
  background:var(--gold-500);
  border-radius:50%;
}

/* Produk & layanan */
.service-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
  align-items:start;
}
.service-card{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:34px 30px;
  transition:box-shadow .25s ease, transform .25s ease;
}
.service-card--up{transform:translateY(-14px);}
.service-card--down{transform:translateY(14px);}
.service-card:hover{box-shadow:var(--shadow-soft); transform:translateY(-6px);}
.service-index{
  display:inline-flex;
  align-items:center; justify-content:center;
  width:48px; height:48px;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:.82rem;
  color:var(--navy-900);
  background:var(--gold-100);
  border-radius:50%;
  margin-bottom:18px;
}
.service-card p{font-size:.94rem;}
.service-tags{margin-top:16px; padding-top:16px; border-top:1px dashed var(--line);}
.service-tags li{
  font-size:.82rem;
  color:var(--ink-soft);
  padding:5px 0 5px 16px;
  position:relative;
}
.service-tags li::before{
  content:"";
  position:absolute; left:0; top:12px;
  width:5px; height:5px;
  border-radius:50%;
  background:var(--gold-600);
}

/* Keunggulan */
.advantage-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.advantage-card{
  text-align:left;
  padding:8px 0;
}
.advantage-icon{
  width:64px; height:64px;
  padding:14px;
  color:var(--gold-600);
  background:var(--gold-100);
  border-radius:50%;
  margin-bottom:18px;
}
.advantage-icon svg{width:100%; height:100%;}
.advantage-card p{font-size:.94rem;}

/* Klien */
.client-pills{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.client-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:var(--cream);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  padding:14px 24px;
  color:var(--navy-900);
  font-weight:600;
  font-size:.94rem;
  transition:background .18s ease, transform .18s ease;
}
.client-pill:hover{background:var(--gold-100); transform:translateY(-2px);}
.pill-dot{
  width:8px; height:8px;
  border-radius:50%;
  background:var(--gold-600);
  flex-shrink:0;
}

/* Kontak */
.contact-grid{
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:56px;
  align-items:start;
}
.contact-lede{font-size:1.02rem; max-width:44ch;}
.contact-detail{
  margin-top:24px;
  padding-top:20px;
  border-top:1px dashed rgba(255,255,255,0.18);
}
.contact-label{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gold-500);
  display:block;
  margin-bottom:8px;
}
.contact-detail p{color:rgba(255,255,255,0.82); margin:0;}
.contact-detail a{text-decoration:none; color:var(--paper); font-weight:600;}
.contact-detail a:hover{color:var(--gold-500);}

.contact-form{
  background:var(--paper);
  border-radius:var(--radius);
  padding:36px;
  box-shadow:var(--shadow-soft);
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;
  font-size:.82rem;
  font-weight:600;
  color:var(--navy-900);
  margin-bottom:7px;
}
.form-row input,
.form-row select{
  width:100%;
  padding:13px 18px;
  font-family:var(--font-body);
  font-size:.94rem;
  color:var(--ink);
  background:var(--cream);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.form-row textarea{
  width:100%;
  padding:14px 18px;
  font-family:var(--font-body);
  font-size:.94rem;
  color:var(--ink);
  background:var(--cream);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  transition:border-color .15s ease, box-shadow .15s ease;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus{
  outline:none;
  border-color:var(--gold-500);
  box-shadow:0 0 0 3px rgba(198,161,91,0.25);
}
.form-row textarea{resize:vertical; min-height:110px;}
.two-col{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.form-note{
  margin-top:14px; margin-bottom:0;
  font-size:.85rem;
  min-height:1.2em;
  text-align:center;
}
.form-note.success{color:#1c7a4a;}
.form-note.error{color:#B0392F;}

/* focus visibility for all interactive elements */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible{
  outline:2px solid var(--gold-500);
  outline-offset:2px;
}

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer{
  background:var(--navy-900);
  border-top:1px solid rgba(255,255,255,0.08);
  padding:32px 0;
}
.footer-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:16px;
}
.footer-logo{height:30px}
.footer-inner p{
  margin:0; font-size:.82rem; color:rgba(255,255,255,0.5);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;}
  .hero-panel{max-width:460px;}
  .intro-grid, .split-grid, .vm-grid, .contact-grid{grid-template-columns:1fr;}
  .service-grid{grid-template-columns:1fr 1fr;}
  .service-card--up, .service-card--down{transform:none;}
  .advantage-grid{grid-template-columns:1fr;}
  .wave-divider svg{height:60px;}
}

@media (max-width:760px){
  .main-nav{
    position:fixed;
    top:70px; left:0; right:0;
    background:var(--navy-900);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:10px 28px 24px;
    transform:translateY(-8px);
    opacity:0;
    pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
    border-bottom:1px solid var(--line-light);
  }
  .main-nav.open{
    opacity:1; transform:translateY(0); pointer-events:auto;
  }
  .main-nav a{padding:14px 0; border-bottom:1px solid rgba(255,255,255,0.08);}
  .main-nav a.nav-cta{margin-top:12px; text-align:center;}
  .nav-toggle{display:flex;}

  .service-grid{grid-template-columns:1fr;}
  .service-card--up, .service-card--down{transform:none;}
  .two-col{grid-template-columns:1fr;}
  .section{padding:72px 0;}
  .hero{padding:72px 0 56px;}
  .wave-divider svg{height:44px;}
}