/* ============================================================
   CONTRAFLO — PT. Gunung Jaia Abadi
   Engineered to Conquer the Flow
   ============================================================ */

:root{
  /* Palet diturunkan langsung dari plat logo CONTRAFLO */
  --ink:      #0B1218;
  --steel:    #151F27;   /* warna latar plat logo */
  --slate:    #1C2831;
  --slate-2:  #24333E;
  --line:     #2C3D4A;
  --line-soft:#22303B;
  --haze:     #8FA0AD;
  --haze-2:   #B9C6D0;
  --paper:    #E9EEF2;   /* seksi datasheet */
  --paper-2:  #DCE3E9;
  --white:    #F7FAFC;
  --red:      #C0272D;
  --red-lo:   #8E1B21;
  --red-hi:   #E03A41;
  --hivis:    #F2C10F;   /* hanya untuk penanda duty point */

  --f-display: "Oswald", "Arial Narrow", sans-serif;
  --f-body: "IBM Plex Sans", system-ui, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, monospace;

  --pad: clamp(20px, 5vw, 64px);
  --maxw: 1240px;
  --ease: cubic-bezier(.22,.8,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth; -webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--ink); color:var(--haze-2);
  font-family:var(--f-body); font-size:16px; line-height:1.65;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img,video,svg{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
button{font:inherit; cursor:pointer; border:0; background:none; color:inherit}
input,select{font:inherit}

h1,h2,h3,h4{
  font-family:var(--f-display); font-weight:600;
  color:var(--white); line-height:1.02;
  letter-spacing:.005em; margin:0;
  text-transform:uppercase;
}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}

.wrap{max-width:var(--maxw); margin:0 auto; padding-inline:var(--pad)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:2px solid var(--hivis); outline-offset:3px}

/* ---------- Eyebrow: penanda seksi ---------- */
.eyebrow{
  font-family:var(--f-mono); font-size:11.5px; letter-spacing:.22em;
  text-transform:uppercase; color:var(--haze);
  display:flex; align-items:center; gap:10px; margin:0 0 18px;
}
.eyebrow::before{content:""; width:22px; height:2px; background:var(--red); flex:none}

.sec-title{font-size:clamp(30px,4.4vw,52px); margin:0 0 14px}
.sec-lead{max-width:62ch; color:var(--haze); font-size:clamp(15px,1.5vw,17.5px)}
.red{color:var(--red-hi)}

/* ---------- Tombol ---------- */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--f-display); font-weight:500; text-transform:uppercase;
  letter-spacing:.09em; font-size:14.5px; line-height:1;
  padding:15px 24px; border:1px solid transparent;
  transition:.22s var(--ease); white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:none}
.btn-red{background:var(--red); color:#fff; border-color:var(--red)}
.btn-red:hover{background:var(--red-hi); border-color:var(--red-hi); transform:translateY(-2px)}
.btn-ghost{border-color:var(--line); color:var(--haze-2)}
.btn-ghost:hover{border-color:var(--haze); color:var(--white); background:rgba(255,255,255,.03)}
.btn-dark{background:var(--steel); color:var(--white); border-color:var(--steel)}
.btn-dark:hover{background:var(--slate-2); border-color:var(--slate-2)}

/* ============================================================
   INTRO — logo reveal, layar penuh
   ============================================================ */
#intro{
  position:fixed; inset:0; z-index:200;
  /* Persis warna tepi plat pada video (terukur rgb 22,32,45), sehingga
     batas antara video dan layar tidak terlihat di rasio layar mana pun. */
  background:#16202D;
  transition:opacity .8s var(--ease);
}
#intro video{
  position:absolute; inset:0; z-index:1;
  width:100%; height:100%;
  object-fit:contain;              /* logo tidak pernah terpotong di rasio layar mana pun */
  display:block;
}
#intro.gone{opacity:0; pointer-events:none}
body.intro-on{overflow:hidden}

.intro-ui{
  position:absolute; z-index:3; left:0; right:0; bottom:0;
  display:flex; justify-content:space-between; align-items:center; gap:12px;
  padding:clamp(16px,3vw,28px);
  background:linear-gradient(0deg, rgba(11,18,24,.55), transparent);
}
#skip,#snd{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.18em; text-transform:uppercase;
  color:var(--haze); border:1px solid rgba(140,160,175,.35); padding:10px 14px;
  background:rgba(11,18,24,.5); backdrop-filter:blur(6px); transition:.2s;
  display:inline-flex; align-items:center; gap:9px;
}
#skip:hover,#snd:hover{color:var(--white); border-color:var(--haze)}
#snd svg{width:15px; height:15px; flex:none}
#snd{border-color:rgba(192,39,45,.9); color:var(--white); background:rgba(192,39,45,.32)}
#snd[aria-pressed="false"]{animation:sndPulse 2.4s var(--ease) infinite}
@keyframes sndPulse{
  0%,100%{box-shadow:0 0 0 0 rgba(192,39,45,.5)}
  60%{box-shadow:0 0 0 12px rgba(192,39,45,0)}
}
#intro{cursor:pointer}
#skip,#snd{cursor:pointer}
#snd .on-ic{display:none}
#snd[aria-pressed="true"]{color:var(--white); border-color:var(--red); background:rgba(192,39,45,.25)}
#snd.nudge{animation:sndNudge 2.4s var(--ease) 3}
@keyframes sndNudge{
  0%,100%{box-shadow:0 0 0 0 rgba(192,39,45,0)}
  12%{box-shadow:0 0 0 7px rgba(192,39,45,.28)}
  26%{box-shadow:0 0 0 12px rgba(192,39,45,0)}
}
@media (prefers-reduced-motion:reduce){ #snd.nudge{animation:none} }
#snd[aria-pressed="true"] .on-ic{display:block}
#snd[aria-pressed="true"] .off-ic{display:none}

/* ============================================================
   HEADER
   ============================================================ */
.hdr{
  position:sticky; top:0; z-index:100;
  background:rgba(11,18,24,.82); backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-soft);
}
.hdr-in{display:flex; align-items:center; gap:20px; height:70px; max-width:1360px; padding-inline:clamp(20px,2.6vw,40px)}
.brand{display:flex; align-items:center; gap:12px; flex:none}
.brand img{height:30px; width:auto}
.brand-sub{
  font-family:var(--f-mono); font-size:12.5px; font-weight:500; letter-spacing:.06em;
  color:var(--haze-2); text-transform:uppercase; border-left:1px solid var(--line);
  padding-left:13px; line-height:1; white-space:nowrap;
}
.nav{display:flex; gap:18px; margin-left:auto; margin-right:0}
.nav a{
  font-family:var(--f-display); font-size:13px; font-weight:400; letter-spacing:.07em;
  text-transform:uppercase; color:var(--haze); padding:6px 0; position:relative; transition:.2s;
}
.nav a::after{content:""; position:absolute; left:0; bottom:0; width:0; height:2px; background:var(--red); transition:.25s var(--ease)}
.nav a:hover{color:var(--white)} .nav a:hover::after{width:100%}
.hdr .btn{padding:10px 15px; font-size:12.5px}
/* ---------- Pengalih bahasa ---------- */
.lang{
  display:flex; align-items:center; gap:2px; flex:none;
  border:1px solid var(--line); font-family:var(--f-mono); font-size:10.5px; letter-spacing:.12em;
}
.lang a,.lang span{padding:6px 10px; line-height:1; transition:.2s}
.lang span[aria-current]{background:var(--red); color:#fff}
.lang a{color:var(--haze)}
.lang a:hover{color:var(--white); background:rgba(255,255,255,.05)}

.burger{display:none; width:40px; height:40px; margin-left:auto; position:relative}
.burger span{position:absolute; left:9px; width:22px; height:2px; background:var(--white); transition:.25s var(--ease)}
.burger span:nth-child(1){top:14px} .burger span:nth-child(2){top:20px} .burger span:nth-child(3){top:26px}
.burger[aria-expanded="true"] span:nth-child(1){top:20px; transform:rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){top:20px; transform:rotate(-45deg)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative; overflow:hidden; border-bottom:1px solid var(--line-soft)}
.hero-bg{position:absolute; inset:0; z-index:0}
.hero-bg img{width:100%; height:100%; object-fit:cover; opacity:.30; filter:grayscale(.5) contrast(1.1)}
.hero-bg::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(100deg, var(--ink) 8%, rgba(11,18,24,.86) 46%, rgba(11,18,24,.55) 100%),
    linear-gradient(0deg, var(--ink), transparent 55%);
}
.hero-in > *{min-width:0}
.hero-in{
  position:relative; z-index:1;
  display:grid; grid-template-columns:1fr minmax(400px,520px); gap:clamp(28px,4vw,56px);
  align-items:center; padding-block:clamp(48px,7vw,84px);
}
.tagline{
  font-family:var(--f-mono); font-size:12px; letter-spacing:.3em; text-transform:uppercase;
  color:var(--red-hi); margin:0 0 20px; display:flex; align-items:center; gap:12px;
}
.tagline::before{content:""; width:36px; height:1px; background:var(--red)}
.hero h1{
  font-size:clamp(40px,6.6vw,82px); font-weight:600; line-height:.94; margin:0 0 22px;
}
.hero h1 em{font-style:normal; color:var(--red-hi); display:block}
.hero-lead{font-size:clamp(15.5px,1.6vw,18.5px); color:var(--haze-2); max-width:52ch; margin-bottom:30px}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:34px}
.hero-facts{
  display:grid; grid-template-columns:repeat(3,1fr); gap:1px;
  background:var(--line-soft); border:1px solid var(--line-soft);
}
.fact{background:var(--ink); padding:16px 18px}
.fact b{
  display:block; font-family:var(--f-display); font-size:26px; font-weight:600;
  color:var(--white); line-height:1;
}
.fact span{font-family:var(--f-mono); font-size:10.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--haze)}

/* ---------- SIGNATURE: Duty Point Selector ---------- */
.selector{
  background:linear-gradient(180deg, var(--slate) 0%, var(--steel) 100%);
  border:1px solid var(--line); position:relative;
}
.selector::before{content:""; position:absolute; top:-1px; left:-1px; right:-1px; height:3px; background:var(--red)}
.sel-hd{padding:18px 20px 14px; border-bottom:1px solid var(--line-soft)}
.sel-hd h2{font-size:19px; letter-spacing:.02em; margin-bottom:4px}
.sel-hd p{font-family:var(--f-mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--haze); margin:0}
.sel-body{padding:18px 20px 20px}
.sel-inputs{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:14px}
.fld label{
  display:block; font-family:var(--f-mono); font-size:10px; letter-spacing:.14em;
  text-transform:uppercase; color:var(--haze); margin-bottom:6px;
}
.fld-in{display:flex; align-items:baseline; border:1px solid var(--line); background:var(--ink); transition:.2s}
.fld-in:focus-within{border-color:var(--red)}
.fld input{
  width:100%; background:none; border:0; color:var(--white); padding:11px 12px;
  font-family:var(--f-display); font-size:24px; font-weight:500; -moz-appearance:textfield;
}
.fld input::-webkit-outer-spin-button,.fld input::-webkit-inner-spin-button{-webkit-appearance:none; margin:0}
.fld input:focus{outline:none}
.fld-in em{
  font-style:normal; font-family:var(--f-mono); font-size:11px; color:var(--haze);
  padding-right:12px; white-space:nowrap;
}
.range{width:100%; margin:0 0 4px; accent-color:var(--red); height:18px}
.drive{display:flex; gap:1px; background:var(--line); border:1px solid var(--line); margin-bottom:16px}
.drive button{
  flex:1; padding:9px 8px; font-family:var(--f-mono); font-size:10.5px; letter-spacing:.12em;
  text-transform:uppercase; color:var(--haze); background:var(--ink); transition:.2s;
}
.drive button[aria-pressed="true"]{background:var(--red); color:#fff}
.chart{background:var(--ink); border:1px solid var(--line-soft); padding:8px}
.chart svg{width:100%; height:auto; display:block}
.axis-l{font-family:'IBM Plex Mono',monospace; font-size:8px; fill:#6E808E; letter-spacing:.06em}
.grid-l{stroke:#1E2B35; stroke-width:1}
.env{fill:none; stroke-width:1.5; opacity:.55; transition:.3s var(--ease)}
.env.on{opacity:1; stroke-width:2.5}
.env-fill{fill:var(--red); opacity:0; transition:.3s var(--ease)}
.env-fill.on{opacity:.13}
.env-t{font-family:'IBM Plex Mono',monospace; font-size:8.5px; fill:#6E808E; letter-spacing:.08em; transition:.3s}
.env-t.on{fill:var(--white)}

.result{margin-top:14px; border-top:1px solid var(--line-soft); padding-top:14px}
.res-top{display:flex; align-items:flex-end; justify-content:space-between; gap:12px; margin-bottom:10px}
.res-lbl{font-family:var(--f-mono); font-size:9.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--haze)}
.res-model{font-family:var(--f-display); font-size:38px; font-weight:600; color:var(--white); line-height:.9}
.res-model small{font-size:14px; color:var(--red-hi); display:block; letter-spacing:.06em; margin-top:4px}
.res-note{font-size:13px; color:var(--haze); margin:0 0 12px; min-height:2.6em}
.res-note strong{color:var(--haze-2); font-weight:500}
.res-specs{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); margin-bottom:14px}
.res-specs div{background:var(--steel); padding:9px 10px}
.res-specs dt{font-family:var(--f-mono); font-size:8.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--haze); margin-bottom:3px}
.res-specs dd{margin:0; font-family:var(--f-mono); font-size:12.5px; color:var(--white)}
.result .btn{width:100%; justify-content:center; white-space:normal; text-align:center; line-height:1.3}
.disclaimer{font-family:var(--f-mono); font-size:9.5px; line-height:1.6; color:#66757F; margin:12px 0 0; letter-spacing:.02em}

/* ============================================================
   THESIS
   ============================================================ */
.thesis{border-bottom:1px solid var(--line-soft); background:var(--steel)}
.thesis-in{display:grid; grid-template-columns:1.15fr 1fr; gap:clamp(28px,5vw,72px); padding-block:clamp(52px,7vw,88px); align-items:center}
.thesis blockquote{margin:0}
.thesis blockquote p{
  font-family:var(--f-display); font-weight:400; text-transform:uppercase;
  font-size:clamp(26px,3.6vw,44px); line-height:1.06; color:var(--white); margin:0;
}
.thesis blockquote p span{color:var(--red-hi)}
.thesis-txt p{font-size:16px; color:var(--haze)}
.vm{display:grid; gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); margin-top:26px}
.vm div{background:var(--steel); padding:14px 16px}
.vm dt{font-family:var(--f-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--red-hi); margin-bottom:5px}
.vm dd{margin:0; font-size:14.5px; color:var(--haze-2); line-height:1.55}

/* ============================================================
   KAPABILITAS
   ============================================================ */
.sec{padding-block:clamp(56px,8vw,104px); border-bottom:1px solid var(--line-soft)}
.sec-hd{margin-bottom:clamp(30px,4vw,48px); max-width:800px}

.pillars{display:grid; gap:1px; background:var(--line-soft); border:1px solid var(--line-soft)}
.pillar{background:var(--ink); display:grid; grid-template-columns:clamp(320px,33%,470px) 1fr; gap:0; align-items:center}
.pillar > *{min-width:0}
.band > *,.cards > *,.thesis-in > *,.retro-in > *,.contact-in > *{min-width:0}
.pillar-figure{margin:0; padding:clamp(16px,1.8vw,24px); align-self:center}
.pillar-img{
  position:relative; display:block; background:var(--steel);
  border:1px solid var(--line); padding:7px; line-height:0;
}
.pillar-img img{width:100%; height:auto; aspect-ratio:3/2; object-fit:contain; transition:.4s var(--ease)}
.pillar-img:hover img{opacity:.9}
.pillar-num{
  display:block; font-family:var(--f-mono); font-size:10px; letter-spacing:.18em;
  color:var(--red-hi); margin-bottom:9px;
}
.pillar-body{padding:clamp(22px,2.6vw,34px)}
.pillar-body h3{font-size:clamp(22px,2.4vw,29px); margin-bottom:10px}
.pillar-body > p{font-size:15px; color:var(--haze); max-width:60ch; margin-bottom:18px}
.chips{display:flex; flex-wrap:wrap; gap:8px; list-style:none; padding:0; margin:0}
.chips li{
  font-family:var(--f-mono); font-size:11px; letter-spacing:.04em; color:var(--haze-2);
  border:1px solid var(--line); padding:6px 11px; background:var(--slate); transition:.2s;
}
.chips li:hover{border-color:var(--red); color:var(--white)}

/* ---------- Band: rental bundling ---------- */
.band{
  margin-top:1px; display:grid; grid-template-columns:1fr 1fr; gap:0;
  border:1px solid var(--line-soft); background:var(--steel);
}
.band-txt{padding:clamp(26px,3.4vw,44px)}
.band-txt h3{font-size:clamp(26px,3.2vw,40px); margin-bottom:14px; line-height:1.02}
.band-txt > p{font-size:15.5px; color:var(--haze); max-width:56ch}
.ticks{list-style:none; padding:0; margin:20px 0 24px; display:grid; gap:9px}
.ticks li{
  position:relative; padding-left:24px; font-size:14.5px; color:var(--haze-2);
}
.ticks li::before{
  content:""; position:absolute; left:0; top:8px; width:9px; height:9px;
  border:2px solid var(--red); background:transparent;
}
.band-img{display:grid; grid-template-rows:1fr 1fr; gap:1px; background:var(--line-soft); align-content:center; padding:1px}
.band-img .lb{background:var(--steel); display:block}
.band-img img{width:100%; height:auto; aspect-ratio:3/2; object-fit:contain; transition:.4s var(--ease)}
.band-img .lb:hover img{opacity:.9}

/* ---------- Kartu (geotube, unit terapung) ---------- */
.cards{display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); margin-top:1px}
.card{background:var(--ink); display:flex; flex-direction:column}
.card > .lb{background:var(--steel); border-bottom:1px solid var(--line-soft)}
.card > .lb img{width:100%; aspect-ratio:3/2; object-fit:contain; transition:.4s var(--ease)}
.card > .lb:hover img{opacity:.9}
.card-b{padding:clamp(20px,2.4vw,30px)}
.card-b h3{font-size:23px; margin-bottom:10px}
.card-b p{font-size:14.5px; color:var(--haze); margin-bottom:16px}

/* ---------- Strip aplikasi ---------- */
.apps{margin-top:38px; border-top:1px solid #C3CDD5; padding-top:24px}
.app-grid{display:grid; grid-template-columns:repeat(6,1fr); gap:2px}
.app-grid figure{margin:0; position:relative; overflow:hidden; background:#C3CDD5}
.app-grid .lb{overflow:hidden}
.app-grid img{width:100%; aspect-ratio:4/3; object-fit:cover; transition:.6s var(--ease)}
.app-grid figure:hover img{transform:scale(1.07)}
.app-grid .lb::after{top:8px; bottom:auto; right:8px; width:26px; height:26px; background-size:13px 13px}
.app-grid figcaption{
  position:absolute; left:0; right:0; bottom:0; background:linear-gradient(0deg, rgba(11,18,24,.95), transparent);
  color:#fff; font-family:var(--f-mono); font-size:9.5px; letter-spacing:.14em; text-transform:uppercase;
  padding:20px 8px 7px; text-align:center;
}

/* ============================================================
   LIGHTBOX — klik gambar untuk memperbesar
   ============================================================ */
.lb{position:relative; display:block; cursor:zoom-in}
.lb::after{
  content:""; position:absolute; right:9px; bottom:9px; width:30px; height:30px;
  background:rgba(11,18,24,.86) center/15px 15px no-repeat;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E9EEF2' stroke-width='2' stroke-linecap='round'><circle cx='11' cy='11' r='7'/><path d='M20 20l-3.5-3.5M11 8v6M8 11h6'/></svg>");
  border:1px solid var(--line); opacity:0; transform:translateY(4px);
  transition:.22s var(--ease); pointer-events:none; z-index:3;
}
.lb:hover::after,.lb:focus-visible::after{opacity:1; transform:none}

#lbx{
  position:fixed; inset:0; z-index:150; background:rgba(6,10,13,.97);
  display:none; grid-template-rows:auto 1fr auto; opacity:0; transition:opacity .25s var(--ease);
}
#lbx.on{display:grid}
#lbx.vis{opacity:1}
body.lbx-open{overflow:hidden}

.lbx-top{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  padding:14px clamp(14px,3vw,26px); border-bottom:1px solid var(--line-soft);
}
.lbx-count{font-family:var(--f-mono); font-size:11px; letter-spacing:.16em; color:var(--haze)}
.lbx-x{
  width:40px; height:40px; display:grid; place-items:center; border:1px solid var(--line);
  color:var(--haze); transition:.2s; flex:none;
}
.lbx-x:hover{color:var(--white); border-color:var(--red); background:var(--red)}
.lbx-x svg{width:17px; height:17px}

.lbx-stage{position:relative; overflow:auto; display:grid; place-items:center; padding:clamp(10px,2.4vw,26px)}
.lbx-stage img{
  max-width:100%; max-height:100%; width:auto; height:auto;
  cursor:zoom-in; transition:opacity .2s; background:var(--steel);
}
#lbx.zoom .lbx-stage{place-items:start center}
#lbx.zoom .lbx-stage img{max-width:none; max-height:none; width:1344px; cursor:zoom-out}

.lbx-nav{
  position:absolute; top:50%; transform:translateY(-50%); z-index:4;
  width:46px; height:70px; display:grid; place-items:center;
  background:rgba(11,18,24,.75); border:1px solid var(--line); color:var(--haze-2); transition:.2s;
}
.lbx-nav:hover{background:var(--red); border-color:var(--red); color:#fff}
.lbx-prev{left:10px} .lbx-next{right:10px}
.lbx-nav svg{width:18px; height:18px}

.lbx-bot{padding:12px clamp(14px,3vw,26px) 18px; border-top:1px solid var(--line-soft)}
.lbx-cap{font-size:14px; color:var(--haze-2); margin:0 0 4px; max-width:90ch}
.lbx-hint{font-family:var(--f-mono); font-size:10px; letter-spacing:.12em; text-transform:uppercase; color:#66757F; margin:0}

@media (max-width:640px){
  #skip,#snd{font-size:10px; letter-spacing:.14em; padding:9px 11px}
  .lbx-nav{width:38px; height:56px}
  #lbx.zoom .lbx-stage img{width:1100px}
}

/* ============================================================
   PRODUK — datasheet (terang)
   ============================================================ */
.datasheet{background:var(--paper); color:#2A363F; border-bottom:6px solid var(--red)}
.datasheet h2,.datasheet h3{color:#0E181F}
.datasheet .eyebrow{color:#657580}
.datasheet .sec-lead{color:#5A6874}
.ds-head{display:flex; align-items:flex-end; justify-content:space-between; gap:30px; flex-wrap:wrap; margin-bottom:32px}
.tabs{display:flex; gap:1px; background:#C3CDD5; border:1px solid #C3CDD5; flex:none}
.tabs button{
  padding:11px 20px; background:var(--paper); font-family:var(--f-mono); font-size:11px;
  letter-spacing:.14em; text-transform:uppercase; color:#5A6874; transition:.2s;
}
.tabs button[aria-selected="true"]{background:var(--steel); color:#fff}

.models{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:#C3CDD5; border:1px solid #C3CDD5}
.model{background:var(--paper); padding:22px 20px 20px; position:relative; transition:.25s var(--ease)}
.model:hover{background:#F4F7F9}
.model::before{content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--red); transform:scaleX(0); transform-origin:left; transition:.35s var(--ease)}
.model:hover::before{transform:scaleX(1)}
.model h3{font-size:31px; letter-spacing:.01em; line-height:1; margin-bottom:2px}
.model .m-sub{font-family:var(--f-mono); font-size:10px; letter-spacing:.1em; text-transform:uppercase; color:#7A8894; margin-bottom:16px}
.duty{display:flex; align-items:baseline; gap:6px; padding-bottom:14px; border-bottom:1px solid #C9D3DA; margin-bottom:14px}
.duty b{font-family:var(--f-display); font-size:29px; font-weight:600; color:#0E181F; line-height:1}
.duty i{font-style:normal; font-family:var(--f-mono); font-size:10px; color:#7A8894}
.duty span{color:#B6C0C8; font-size:18px; padding:0 2px}
.spec{list-style:none; padding:0; margin:0 0 18px; font-family:var(--f-mono); font-size:11.5px}
.spec li{display:flex; justify-content:space-between; gap:10px; padding:5px 0; border-bottom:1px dotted #C9D3DA; color:#5A6874}
.spec li b{color:#0E181F; font-weight:500; text-align:right}
.dl{
  display:inline-flex; align-items:center; gap:8px; font-family:var(--f-mono); font-size:10.5px;
  letter-spacing:.1em; text-transform:uppercase; color:var(--red); border-bottom:1px solid #C3CDD5;
  padding-bottom:4px; transition:.2s;
}
.dl:hover{color:var(--red-lo); border-color:var(--red)}
.dl svg{width:13px;height:13px}
.ds-foot{
  margin-top:28px; display:grid; grid-template-columns:1fr auto; gap:24px; align-items:center;
  border-top:1px solid #C3CDD5; padding-top:22px;
}
.ds-foot p{font-family:var(--f-mono); font-size:11px; line-height:1.7; color:#6B7A86; margin:0}

/* ============================================================
   RETROFIT
   ============================================================ */
.retro-in{display:grid; grid-template-columns:1fr 1fr; gap:clamp(30px,5vw,64px); align-items:center}
.retro-col{display:grid; gap:14px}
.retro-photo{margin:0; border:1px solid var(--line); background:var(--steel); padding:7px}
.retro-photo img{width:100%; height:auto; display:block; transition:.4s var(--ease)}
.retro-photo .lb:hover img{opacity:.9}
.retro-fig{border:1px solid var(--line); background:var(--slate); padding:12px; position:relative; margin:0}
.retro-fig img{width:100%; filter:invert(1) hue-rotate(180deg) contrast(.9) brightness(.92); mix-blend-mode:screen; opacity:.9}
.retro-cap{
  font-family:var(--f-mono); font-size:9.5px; letter-spacing:.14em; text-transform:uppercase;
  color:var(--haze); border-top:1px solid var(--line-soft); margin-top:10px; padding-top:10px;
}
.arrows{display:grid; gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); margin-top:26px}
.arrow{background:var(--steel); padding:16px 18px; display:grid; grid-template-columns:auto 1fr; gap:14px; align-items:center}
.arrow i{
  font-style:normal; font-family:var(--f-display); font-size:11px; letter-spacing:.1em; color:#fff;
  background:var(--red); padding:5px 9px; white-space:nowrap;
}
.arrow p{margin:0; font-size:14.5px; color:var(--haze-2)}
.arrow p b{color:var(--white); font-weight:500}

/* ============================================================
   SISTEM (skema)
   ============================================================ */
.system{background:var(--steel)}
.schema{border:1px solid var(--line); background:var(--ink); padding:clamp(16px,3vw,30px)}
.schema svg{width:100%; height:auto}
.schema-key{display:flex; flex-wrap:wrap; gap:20px; margin-top:20px; padding-top:18px; border-top:1px solid var(--line-soft)}
.key{display:flex; align-items:center; gap:9px; font-family:var(--f-mono); font-size:10.5px; letter-spacing:.08em; text-transform:uppercase; color:var(--haze)}
.key b{width:12px; height:12px; flex:none}

/* ============================================================
   GALERI
   ============================================================ */
.gal{display:grid; grid-template-columns:repeat(6,1fr); gap:2px}
.gal a{position:relative; overflow:hidden; aspect-ratio:1/1; background:var(--slate); display:block}
.gal a:nth-child(1),.gal a:nth-child(8){grid-column:span 2; grid-row:span 2}
.gal img{width:100%; height:100%; object-fit:cover; filter:grayscale(.7) contrast(1.05); transition:.6s var(--ease)}
.gal a:hover img{filter:grayscale(0); transform:scale(1.05)}

/* ============================================================
   INDUSTRI
   ============================================================ */
.inds{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:var(--line-soft); border:1px solid var(--line-soft)}
.ind{background:var(--ink); padding:24px 20px; transition:.25s}
.ind:hover{background:var(--slate)}
.ind b{display:block; font-family:var(--f-display); font-size:19px; color:var(--white); text-transform:uppercase; margin-bottom:6px}
.ind span{font-size:13.5px; color:var(--haze); line-height:1.5}

/* ============================================================
   KONTAK
   ============================================================ */
.contact{background:var(--steel); border-bottom:0}
.contact-in{display:grid; grid-template-columns:1fr 1fr; gap:clamp(32px,5vw,72px)}
.cinfo dl{display:grid; gap:1px; background:var(--line-soft); border:1px solid var(--line-soft); margin:26px 0 0}
.cinfo dl > div{background:var(--steel); padding:15px 18px; display:grid; grid-template-columns:110px 1fr; gap:14px; align-items:center}
.cinfo dt{font-family:var(--f-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--haze)}
.cinfo dd{margin:0; font-size:15.5px; color:var(--white)}
.cinfo dd a:hover{color:var(--red-hi)}

.form{background:var(--ink); border:1px solid var(--line); padding:clamp(20px,3vw,30px)}
.form h3{font-size:21px; margin-bottom:6px}
.form > p{font-family:var(--f-mono); font-size:10.5px; letter-spacing:.1em; text-transform:uppercase; color:var(--haze); margin-bottom:20px}
.row{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.f{margin-bottom:12px}
.f label{display:block; font-family:var(--f-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--haze); margin-bottom:6px}
.f input,.f select,.f textarea{
  width:100%; background:var(--steel); border:1px solid var(--line); color:var(--white);
  padding:11px 12px; font-family:var(--f-body); font-size:14.5px; transition:.2s; border-radius:0;
}
.f textarea{resize:vertical; min-height:88px}
.f input:focus,.f select:focus,.f textarea:focus{outline:none; border-color:var(--red)}
.form .btn{width:100%; justify-content:center; white-space:normal; text-align:center; line-height:1.3; margin-top:6px}
.form-note{font-family:var(--f-mono); font-size:10px; color:#66757F; margin-top:12px; line-height:1.6; letter-spacing:.02em}

/* ---------- Footer ---------- */
.ftr{background:var(--ink); border-top:1px solid var(--line-soft); padding-block:44px 30px}
.ftr-in{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:36px; padding-bottom:30px; border-bottom:1px solid var(--line-soft)}
.ftr-marks{display:flex; align-items:center; gap:16px; margin-bottom:14px}
.ftr img{height:34px}
.ftr .ftr-gja{height:30px; opacity:.85; border-left:1px solid var(--line); padding-left:16px; box-sizing:content-box}
.ftr p{font-size:14px; color:var(--haze); max-width:44ch}
.ftr h4{font-family:var(--f-mono); font-size:10px; letter-spacing:.18em; color:var(--haze); font-weight:400; margin-bottom:14px}
.ftr ul{list-style:none; padding:0; margin:0; display:grid; gap:9px}
.ftr ul a{font-size:14px; color:var(--haze-2); transition:.2s}
.ftr ul a:hover{color:var(--red-hi)}
.ftr-bot{padding-top:22px; display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap}
.ftr-bot span{font-family:var(--f-mono); font-size:10.5px; letter-spacing:.08em; color:#5E6D78}

/* ---------- WA float ---------- */
.wa{
  position:fixed; right:20px; bottom:20px; z-index:90;
  width:56px; height:56px; background:#1FA855; display:grid; place-items:center;
  box-shadow:0 8px 26px rgba(0,0,0,.5); transition:.25s var(--ease);
}
.wa:hover{transform:translateY(-3px) scale(1.05); background:#25c162}
.wa svg{width:28px; height:28px; fill:#fff}

/* ---------- Reveal ---------- */
.rv{opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease)}
.rv.in{opacity:1; transform:none}

/* ============================================================
   RESPONSIF
   ============================================================ */
@media (max-width:1080px){
  .hero-in{grid-template-columns:1fr; gap:36px}
  .selector{max-width:560px}
  .thesis-in,.retro-in,.contact-in{grid-template-columns:1fr; gap:32px}
  .models{grid-template-columns:repeat(2,1fr)}
  .inds{grid-template-columns:repeat(2,1fr)}
  .ftr-in{grid-template-columns:1fr 1fr}
  .band{grid-template-columns:1fr}
  .band-img{grid-template-rows:auto; grid-template-columns:1fr 1fr}
  .band-img img{aspect-ratio:4/3}
  .cards{grid-template-columns:1fr}
  .app-grid{grid-template-columns:repeat(3,1fr)}
}
/* Header beralih ke menu burger lebih awal: nav Bahasa Inggris lebih panjang
   dan nama perusahaan kini ditampilkan lebih besar. */
@media (max-width:1280px){
  .nav{
    position:fixed; inset:70px 0 auto; flex-direction:column; gap:0; background:var(--steel);
    border-bottom:1px solid var(--line); padding:8px 0; transform:translateY(-120%);
    transition:.35s var(--ease); margin:0;
  }
  .nav.open{transform:none}
  .nav a{padding:14px var(--pad); font-size:15px; letter-spacing:.1em; border-bottom:1px solid var(--line-soft)}
  .nav a::after{display:none}
  .burger{display:block; margin-left:0}
  .lang{margin-left:auto}
  .hdr .btn-red{display:none}
}
@media (max-width:860px){
  .pillar{grid-template-columns:1fr}
  .pillar-figure{padding:clamp(14px,3vw,20px) clamp(14px,3vw,20px) 0}
  .gal{grid-template-columns:repeat(3,1fr)}
  .gal a:nth-child(1),.gal a:nth-child(8){grid-column:span 2; grid-row:span 2}
  .ds-foot{grid-template-columns:1fr}
  .ftr-in{grid-template-columns:1fr}
}
@media (max-width:520px){
  .brand-sub{display:none}   /* layar sempit: cukup logo saja */
}
@media (max-width:560px){
  .btn{white-space:normal; text-align:center; line-height:1.3}
  .hero-facts{grid-template-columns:1fr; }
  .fact{display:flex; align-items:baseline; gap:10px}
  .models{grid-template-columns:1fr}
  .inds{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .res-specs{grid-template-columns:1fr 1fr}
  .cinfo dl > div{grid-template-columns:1fr; gap:4px}
  .wa{width:52px;height:52px}
  .app-grid{grid-template-columns:repeat(2,1fr)}
  .band-img{grid-template-columns:1fr; grid-template-rows:auto}
  .band-img img:nth-child(2){display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important; transition-duration:.01ms !important; scroll-behavior:auto}
  .rv{opacity:1; transform:none}
}