/* =========================================================
   PT PRISTA GLOBAL MANDIRI — Design tokens
   Direction: engineering / blueprint spec-sheet, not generic SaaS
   ========================================================= */
:root{
  --ink-graphite:#0E2A4D;
  --ink-panel:#173A61;
  --ink-panel-2:#1E4676;
  --paper:#E9EDEE;
  --paper-2:#F6F7F5;
  --line:#33465A;
  --line-soft:#c9d1d4;
  --signal:#E2571C;
  --signal-dim:#b8451a;
  --blue-accent:#1C4F91;
  --blue-accent-dim:#153E73;
  --blueprint:#3E8FA6;
  --ok:#4C9A6A;
  --text-on-dark:#F3F4F0;
  --text-on-dark-dim:#9FB0BC;
  --text-on-light:#161C22;
  --text-on-light-dim:#4A5760;

  --font-display:'Oswald', sans-serif;
  --font-body:'IBM Plex Sans', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --radius:2px;
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--text-on-light);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.01em;margin:0;}
p{line-height:1.65;margin:0 0 1em;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.mono{font-family:var(--font-mono);}
:focus-visible{outline:2px solid var(--blue-accent);outline-offset:2px;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* ---------- blueprint grid backdrop ---------- */
.blueprint-bg{
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size:40px 40px;
  background-position:-1px -1px;
}
.dark-section{background:var(--ink-graphite);color:var(--text-on-dark);}
.dark-section .eyebrow{color:var(--blueprint);}
.dark-section p{color:var(--text-on-dark-dim);}

/* corner crosshair — signature device used sparingly */
.crosshairs{position:relative;}
.crosshairs::before,.crosshairs::after,
.crosshairs .cx-tr,.crosshairs .cx-bl{
  content:"";position:absolute;width:18px;height:18px;
  border-color:currentColor;opacity:.55;
}
.crosshairs::before{top:0;left:0;border-top:1.5px solid;border-left:1.5px solid;}
.crosshairs::after{bottom:0;right:0;border-bottom:1.5px solid;border-right:1.5px solid;}

/* ---------- eyebrow / labels ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--blue-accent);
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor;display:inline-block;}
.doc-tag{
  font-family:var(--font-mono);font-size:11px;color:var(--text-on-light-dim);
  letter-spacing:.06em;
}

/* ---------- header (white + blue) ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#FFFFFF;
  border-bottom:1px solid var(--line-soft);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;
}
.brand-lockup{display:flex;align-items:center;gap:12px;color:var(--text-on-light);flex:none;}
.brand-name{font-family:var(--font-display);font-size:17px;letter-spacing:.03em;line-height:1.15;}
.brand-name small{display:block;font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;color:var(--text-on-light-dim);text-transform:uppercase;font-weight:400;}
.brand-name-lg{font-size:46px;font-weight:700;color:var(--blue-accent);letter-spacing:.01em;line-height:1.05;white-space:nowrap;}
.brand-name-lg small{color:var(--text-on-light-dim);font-size:11px;margin-top:4px;}

.main-nav{display:flex;align-items:center;gap:20px;flex:none;}
.main-nav a{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--text-on-light-dim);padding:6px 0;border-bottom:1px solid transparent;
}
.main-nav a:hover{color:var(--text-on-light);border-bottom-color:var(--blue-accent);}
.nav-cta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:#fff !important;background:var(--signal);padding:10px 18px;
  border:1px solid var(--signal);
}
.nav-cta:hover{background:transparent;color:var(--signal) !important;border-color:var(--signal);}
.nav-toggle{display:none;background:none;border:1px solid var(--line-soft);color:var(--text-on-light);padding:8px 10px;font-size:18px;}

/* ---------- hero ---------- */
.hero{position:relative;padding:96px 0 84px;overflow:hidden;}
.hero-photo-bg{
  background-image:url('../img/hero-power-plant.jpg');
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(14,42,77,.96) 30%, rgba(14,42,77,.72) 65%, rgba(14,42,77,.55) 100%);
  z-index:0;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:end;
}
.hero-grid-single{
  grid-template-columns:1fr;max-width:760px;
}
.hero h1{
  font-size:clamp(38px,5.4vw,68px);line-height:1.03;color:var(--text-on-dark);margin-top:10px;
}
.hero h1 em{font-style:normal;color:var(--signal);}
.hero .lede{max-width:52ch;font-size:17px;margin-top:20px;color:var(--text-on-dark-dim);}
.hero-cta-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}

.btn{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;
  padding:14px 24px;border:1px solid var(--signal);display:inline-flex;align-items:center;gap:10px;
  transition:background .15s,color .15s;cursor:pointer;
}
.btn-solid{background:var(--signal);color:#fff;}
.btn-solid:hover{background:var(--signal-dim);border-color:var(--signal-dim);}
.btn-outline{background:transparent;color:var(--text-on-dark);border-color:var(--line);}
.btn-outline:hover{border-color:var(--text-on-dark);}
.btn-block{width:100%;justify-content:center;}

.hero-specsheet{
  border:1px solid var(--line);padding:22px;font-family:var(--font-mono);font-size:12.5px;
  color:var(--text-on-dark-dim);background:rgba(255,255,255,.02);
}
.hero-specsheet .row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px dashed var(--line);}
.hero-specsheet .row:last-child{border-bottom:none;}
.hero-specsheet .row span:last-child{color:var(--text-on-dark);text-align:right;}

.stat-strip{
  border-top:1px solid var(--line);margin-top:64px;padding-top:28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-strip .stat b{
  font-family:var(--font-display);font-size:30px;color:var(--text-on-dark);display:block;font-weight:500;
}
.stat-strip .stat span{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-on-dark-dim);}

/* ---------- generic section ---------- */
.section{padding:88px 0;}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{font-size:clamp(28px,3.6vw,42px);}
.section-head p{margin-top:16px;font-size:16px;color:var(--text-on-light-dim);}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start;}
.about-photo{
  margin-top:26px;border:1px solid var(--line-soft);position:relative;
  aspect-ratio:4/5;overflow:hidden;background:var(--ink-panel);
}
.about-photo img{width:100%;height:100%;object-fit:cover;display:block;}
.about-lead{font-size:20px;line-height:1.5;font-family:var(--font-display);text-transform:none;font-weight:400;color:var(--text-on-light);}
.about-points{margin-top:28px;display:grid;gap:0;}
.about-points .point{display:flex;gap:16px;padding:18px 0;border-top:1px solid var(--line-soft);}
.about-points .point:last-child{border-bottom:1px solid var(--line-soft);}
.about-points .point .n{font-family:var(--font-mono);color:var(--blue-accent);font-size:13px;padding-top:2px;}
.about-points .point h4{font-size:15px;letter-spacing:.02em;margin-bottom:4px;}
.about-points .point p{font-size:14.5px;color:var(--text-on-light-dim);margin:0;}

/* ---------- products ---------- */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);}
.product-card{background:var(--paper-2);padding:30px 24px;min-height:190px;display:flex;flex-direction:column;gap:12px;transition:background .15s;}
.product-card:hover{background:#fff;}
.product-card .icon{font-size:26px;color:var(--blue-accent);line-height:1;}
.product-card h3{font-size:16px;letter-spacing:.01em;}
.product-card p{font-size:13.5px;color:var(--text-on-light-dim);margin:0;flex:1;}
.product-card .tag{font-family:var(--font-mono);font-size:10.5px;color:var(--text-on-light-dim);letter-spacing:.08em;}

/* ---------- brand search ---------- */
.brand-search{display:flex;gap:12px;margin-bottom:18px;flex-wrap:wrap;}
.brand-search input{
  flex:1;min-width:240px;background:#fff;border:1px solid var(--line-soft);
  color:#161C22 !important;caret-color:#161C22;padding:14px 16px;font-family:var(--font-body);font-size:14.5px;border-radius:var(--radius);
}
.brand-search input::placeholder{color:var(--text-on-light-dim);}
.brand-search input:focus{border-color:var(--blue-accent);outline:none;}
.brand-search .btn{padding:14px 26px;}
.brand-search-status{font-family:var(--font-mono);font-size:12px;color:var(--text-on-light-dim);margin:-6px 0 18px;min-height:16px;}
.brand-chip.is-hidden{display:none;}
.brand-chip.is-match{
  background:#D4C24A;
}
.brand-chip.is-match .brand-chip-name{color:#1A1A0F;}
.brand-chip.is-match .brand-chip-cta{color:#1A1A0F;opacity:1;transform:translateY(0);}
.brand-chip.is-match:hover{background:#E0CE55;}

/* ---------- brands (parts catalog grid) ---------- */
.brand-catalog{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);
}
.brand-chip{
  background:var(--ink-panel);color:var(--text-on-dark);
  padding:20px 14px;min-height:88px;display:flex;flex-direction:column;justify-content:space-between;
  cursor:pointer;border:none;text-align:left;font-family:var(--font-body);width:100%;
  transition:background .15s;position:relative;
}
.brand-chip:hover,.brand-chip:focus-visible{background:var(--ink-panel-2);}
.brand-chip:hover .brand-chip-cta{opacity:1;transform:translateY(0);}
.brand-chip .brand-chip-name{font-size:13.5px;font-weight:600;letter-spacing:.01em;}
.brand-chip .brand-chip-cta{
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--signal);opacity:0;transform:translateY(4px);transition:.15s;
}
.brand-note{margin-top:20px;font-size:13px;color:var(--text-on-light-dim);}

/* ---------- industries ---------- */
.industry-list{border-top:1px solid var(--line-soft);}
.industry-row{
  display:grid;grid-template-columns:80px 1fr 2fr;gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line-soft);
}
.industry-row .idx{font-family:var(--font-mono);color:var(--blue-accent);font-size:13px;}
.industry-row h3{font-size:19px;}
.industry-row p{margin:0;color:var(--text-on-light-dim);font-size:14.5px;}

/* ---------- RFQ ---------- */
.rfq-section{background:var(--paper-2);}
.rfq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;}
.rfq-aside p{margin-top:16px;color:var(--text-on-light-dim);}
.rfq-contact{margin-top:34px;display:grid;gap:18px;}
.rfq-contact .item{display:flex;gap:14px;align-items:flex-start;}
.rfq-contact .item .lbl{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-on-light-dim);}
.rfq-contact .item a,.rfq-contact .item span.val{font-size:14.5px;color:var(--text-on-light);}

.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-bottom:16px;}
.field.full{grid-column:1 / -1;}
.field label{
  display:block;font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--text-on-light-dim);margin-bottom:8px;
}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line-soft);color:var(--text-on-light);
  padding:12px 14px;font-family:var(--font-body);font-size:14.5px;border-radius:var(--radius);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue-accent);outline:none;}
.field textarea{resize:vertical;min-height:110px;}
.hp-field{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden;}
.form-status{margin-top:16px;font-family:var(--font-mono);font-size:13px;min-height:20px;}
.form-status.ok{color:#1E7A46;}
.form-status.err{color:#B23A1E;}

/* ---------- footer ---------- */
.site-footer{background:#0A2140;color:var(--text-on-dark-dim);padding:56px 0 26px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:36px;border-bottom:1px solid var(--line);}
.footer-top h4{color:var(--text-on-dark);font-size:13px;letter-spacing:.1em;margin-bottom:16px;}
.footer-top ul{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:13.5px;}
.footer-top a:hover{color:var(--text-on-dark);}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:22px;font-size:12px;flex-wrap:wrap;gap:10px;}
.footer-bottom .mono{letter-spacing:.04em;}

/* ---------- floating chat ---------- */
.chat-fab{
  position:fixed;right:22px;bottom:22px;z-index:200;
  width:58px;height:58px;border-radius:50%;background:#25D366;color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:28px;
  box-shadow:0 8px 24px rgba(0,0,0,.28);border:none;cursor:pointer;
}
.chat-fab:hover{filter:brightness(1.06);}
.chat-panel{
  position:fixed;right:22px;bottom:92px;z-index:200;width:320px;max-width:calc(100vw - 40px);
  background:#fff;border:1px solid var(--line-soft);box-shadow:0 16px 40px rgba(0,0,0,.22);
  display:none;overflow:hidden;
}
.chat-panel.open{display:block;}
.chat-panel-head{background:var(--ink-graphite);color:#fff;padding:16px 18px;}
.chat-panel-head .eyebrow{margin-bottom:6px;}
.chat-panel-head h4{font-size:15px;color:#fff;}
.chat-panel-body{padding:18px;font-size:13.5px;color:var(--text-on-light-dim);}
.chat-panel-body a.btn{margin-top:14px;}
.chat-panel-close{position:absolute;top:12px;right:14px;background:none;border:none;color:#fff;font-size:18px;cursor:pointer;}

/* ---------- responsive ---------- */
/* Nav collapses to hamburger earlier (1300px) because the larger logo text
   needs the room — this keeps the header from ever looking cramped. */
@media (max-width:1300px){
  .main-nav{position:fixed;inset:0 0 0 0;top:96px;background:#FFFFFF;flex-direction:column;
    align-items:flex-start;padding:28px 24px;gap:4px;display:none;border-top:1px solid var(--line-soft);
    z-index:150;overflow-y:auto;}
  .main-nav.open{display:flex;}
  .main-nav a{width:100%;padding:14px 0;font-size:14px;border-bottom:1px solid var(--line-soft);}
  .nav-toggle{display:block;}
}
@media (max-width:980px){
  .brand-name-lg{font-size:26px;}
  .hero-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .about-grid,.rfq-grid{grid-template-columns:1fr;}
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .footer-top{grid-template-columns:1fr;}
  .industry-row{grid-template-columns:40px 1fr;}
  .industry-row p{grid-column:1 / -1;}
}
@media (max-width:640px){
  .form-grid{grid-template-columns:1fr;}
  .product-grid{grid-template-columns:1fr;}
  .brand-name-lg{font-size:19px;}
  .brand-name-lg small{font-size:9px;}
}