/* ==========================================================================
   PT Sentosa Bintang Teknologi — sentosa-startech.com
   Brand system: Jost + #05332C / #FF8800
   ========================================================================== */

/* ---------- Fonts ---------- */
@font-face{font-family:"Jost";src:url("../fonts/Jost-Light.woff2") format("woff2");font-weight:300;font-style:normal;font-display:swap}
@font-face{font-family:"Jost";src:url("../fonts/Jost-Regular.woff2") format("woff2");font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:"Jost";src:url("../fonts/Jost-Medium.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Jost";src:url("../fonts/Jost-Bold.woff2") format("woff2");font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:"Jost";src:url("../fonts/Jost-ExtraBold.woff2") format("woff2");font-weight:800;font-style:normal;font-display:swap}

/* ---------- Tokens ---------- */
:root{
  --green-900:#05332C;
  --green-800:#0A4239;
  --green-700:#125A4C;
  --green-050:#EEF4F2;
  --orange:#FF8800;
  --orange-600:#E57A00;
  --ink:#12211E;
  --muted:#5C6E6A;
  --line:rgba(5,51,44,.14);
  --line-soft:rgba(5,51,44,.08);
  --bg:#FFFFFF;
  --bg-alt:#F2F6F4;
  --radius:4px;
  --wrap:1200px;
  --gap:clamp(1rem,2.5vw,1.75rem);
  --sec-y:clamp(3.5rem,7vw,6rem);
  --font:"Jost",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --shadow:0 1px 2px rgba(5,51,44,.04),0 8px 24px rgba(5,51,44,.06);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-weight:400;font-size:1.0625rem;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul{padding:0;list-style:none}
button{font:inherit}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--green-900);color:#fff;padding:.75rem 1.25rem;z-index:200}
.skip:focus{left:0}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.section{padding-block:var(--sec-y)}
.section--alt{background:var(--bg-alt)}
.section--dark{background:var(--green-900);color:#fff}

/* ---------- Type ---------- */
.eyebrow{
  font-weight:500;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--orange);margin-bottom:.75rem;
}
.section--dark .eyebrow{color:var(--orange)}
.h-display{
  font-weight:800;line-height:1.05;letter-spacing:-.01em;text-transform:uppercase;
  font-size:clamp(2rem,5.2vw,3.5rem);color:#fff;
}
.h-sec{
  font-weight:800;line-height:1.12;letter-spacing:-.005em;text-transform:uppercase;
  font-size:clamp(1.6rem,3.4vw,2.4rem);color:var(--green-900);
}
.section--dark .h-sec{color:#fff}
.h-card{
  font-weight:800;font-size:1.15rem;letter-spacing:.02em;text-transform:uppercase;
  color:var(--green-900);line-height:1.2;
}
.lede{font-weight:300;font-size:clamp(1.02rem,1.5vw,1.2rem);color:var(--muted);line-height:1.7}
.section--dark .lede{color:rgba(255,255,255,.82)}
.center{text-align:center}
.sec-head{max-width:46rem}
.sec-head.center{margin-inline:auto}
.rule{width:56px;height:3px;background:var(--orange);border:0;margin:1.25rem 0 0}
.center .rule{margin-inline:auto}

/* ---------- Logo lockup ---------- */
.logo{display:inline-flex;align-items:center;gap:.7rem;text-decoration:none;line-height:1}
.logo svg{display:block;height:38px;width:auto}
@media (max-width:600px){.logo svg{height:30px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line-soft);
}
.site-header__bar{display:flex;align-items:center;gap:1.25rem;min-height:74px}
.nav{margin-left:auto;display:flex;align-items:center;gap:.9rem}
.nav__list{display:flex;align-items:center;gap:.1rem}
.nav__link{
  display:block;padding:.6rem .8rem;text-decoration:none;
  font-weight:500;font-size:.83rem;letter-spacing:.11em;text-transform:uppercase;
  color:var(--green-900);border-radius:var(--radius);transition:color .15s,background .15s;
}
.nav__link:hover{color:var(--orange)}
.nav__item--current > .nav__link{color:var(--orange)}
.nav__item--current > .nav__link::after{
  content:"";display:block;height:2px;background:var(--orange);margin-top:4px;
}
.nav__item{position:relative}
.nav__item--has-sub{display:flex;align-items:center}
.nav__item--has-sub > .nav__link{padding-right:.3rem}
.nav__toggle{
  display:inline-flex;align-items:center;justify-content:center;background:none;border:0;cursor:pointer;
  padding:.6rem .55rem .6rem 0;color:var(--green-900);line-height:0;
}
.nav__toggle svg{width:9px;height:9px;transition:transform .2s}
.nav__item--open .nav__toggle svg{transform:rotate(180deg)}
.nav__sub{
  position:absolute;top:100%;left:0;min-width:280px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);
  padding:.4rem;display:none;
}
.nav__item--open .nav__sub{display:block}
.nav__sub a{
  display:block;padding:.6rem .75rem;text-decoration:none;font-size:.9rem;font-weight:400;
  color:var(--ink);border-radius:var(--radius);
}
.nav__sub a:hover{background:var(--green-050);color:var(--green-900)}
.social{display:flex;gap:.4rem;flex:none}
.social a{
  width:32px;height:32px;display:grid;place-items:center;border-radius:50%;
  background:var(--green-900);color:#fff;transition:background .15s;
}
.social a:hover{background:var(--orange)}
.social svg{width:15px;height:15px;fill:currentColor}
.burger{
  display:none;margin-left:auto;background:none;border:1px solid var(--line);
  border-radius:var(--radius);padding:.5rem .6rem;cursor:pointer;color:var(--green-900);
}
.burger svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:2}

@media (max-width:1024px){
  .burger{display:block}
  .nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--shadow);display:none;margin:0;padding:.5rem 20px 1.25rem;
  }
  .nav.is-open{display:block}
  .nav__item--has-sub{flex-wrap:wrap}
  .nav__item--has-sub > .nav__link{flex:1;padding-right:.25rem}
  .nav__item--has-sub > .nav__sub{flex-basis:100%}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__link,.nav__toggle{width:100%;padding:.85rem .25rem;text-align:left}
  .nav__toggle{justify-content:space-between}
  .nav__item--current > .nav__link::after{display:none}
  .nav__sub{position:static;border:0;box-shadow:none;padding:0 0 .5rem .9rem;min-width:0}
  .social{margin:.75rem 0 0}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  padding:.85rem 1.6rem;border-radius:var(--radius);text-decoration:none;
  font-weight:500;font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;
  border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s;
  text-align:center;
}
.btn svg{width:16px;height:16px;fill:currentColor;flex:none}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:var(--orange-600)}
.btn--green{background:var(--green-900);color:#fff}
.btn--green:hover{background:var(--green-700)}
.btn--ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--green-900);border-color:#fff}
.btn--outline{border-color:var(--line);color:var(--green-900);background:#fff}
.btn--outline:hover{border-color:var(--green-900);background:var(--green-900);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center}

/* ---------- Hero ---------- */
.hero{position:relative;min-height:clamp(420px,64vh,620px);display:flex;align-items:center;overflow:hidden;background:var(--green-900)}
.hero__slides{position:absolute;inset:0}
.hero__slide{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.2s ease;
}
.hero__slide.is-active{opacity:1}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(4,40,34,.95) 0%,rgba(4,40,34,.86) 45%,rgba(4,40,34,.72) 100%);
}
.hero__inner{position:relative;z-index:2;width:100%;padding-block:clamp(3rem,7vw,5rem)}
.hero__grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(2rem,5vw,4rem);align-items:center}
.hero__logo svg{width:min(100%,420px);height:auto}
.hero__title{margin-bottom:1.25rem}
.hero p{color:rgba(255,255,255,.86);font-weight:300;font-size:clamp(1rem,1.35vw,1.1rem);max-width:38rem}
.hero__dots{display:flex;gap:.4rem;margin-top:2rem}
.hero__dot{width:26px;height:3px;border:0;padding:0;background:rgba(255,255,255,.32);cursor:pointer;transition:background .2s}
.hero__dot[aria-current="true"]{background:var(--orange)}
@media (max-width:860px){
  .hero__grid{grid-template-columns:1fr;gap:1.75rem}
  .hero__logo svg{width:min(100%,300px)}
}

/* ---------- Page banner (inner pages) ---------- */
.pagehead{background:var(--green-900);color:#fff;padding-block:clamp(2.5rem,5vw,3.75rem)}
.pagehead .h-display{font-size:clamp(1.75rem,4vw,2.75rem)}
.crumbs{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.6);margin-bottom:.85rem}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--orange)}

/* ---------- Capability strip ---------- */
.capstrip{
  display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem 0;
  font-weight:500;font-size:clamp(.9rem,1.5vw,1.05rem);color:var(--green-900);
  text-align:center;max-width:60rem;margin-inline:auto;
}
.capstrip span{padding-inline:.9rem;border-right:1px solid var(--line)}
.capstrip span:last-child{border-right:0}
@media (max-width:640px){
  .capstrip{flex-direction:column}
  .capstrip span{border-right:0;padding-inline:0}
}

/* ---------- Brand cards ---------- */
.grid{display:grid;gap:var(--gap)}
/* brand grid: flex so a lone last card centres instead of hanging left */
.cardflex{display:flex;flex-wrap:wrap;gap:var(--gap);justify-content:center}
.cardflex > *{flex:1 1 300px;max-width:calc((100% - 2 * var(--gap)) / 3)}
@media (max-width:900px){.cardflex > *{max-width:calc((100% - var(--gap)) / 2)}}
@media (max-width:600px){.cardflex > *{max-width:100%}}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:900px){.grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.grid--3,.grid--2{grid-template-columns:1fr}}

.brandcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;text-decoration:none;
  transition:border-color .18s,transform .18s,box-shadow .18s;
}
.brandcard:hover{border-color:var(--green-900);transform:translateY(-3px);box-shadow:var(--shadow)}
.brandcard__logo{
  display:grid;place-items:center;min-height:170px;padding:1.75rem 2rem;background:#fff;
  border-bottom:1px solid var(--line-soft);
}
.brandcard__logo img{max-height:110px;max-width:230px;width:auto;object-fit:contain}
.brandcard__body{padding:1.4rem 1.5rem 1.6rem;display:flex;flex-direction:column;gap:.6rem;flex:1}
.brandcard__body p{color:var(--muted);font-size:.95rem;font-weight:300;line-height:1.6}
.brandcard__more{
  margin-top:auto;padding-top:.5rem;font-weight:500;font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--orange);
}

/* ---------- Our history ---------- */
.history{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
@media (max-width:900px){.history{grid-template-columns:1fr}}

/* ---------- Client logo grid ---------- */
.clients{display:grid;grid-template-columns:repeat(auto-fill,minmax(122px,1fr));gap:1rem}
.client{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:.85rem .6rem;text-align:center;
}
.client img{width:100%;aspect-ratio:1;object-fit:contain;margin-bottom:.5rem}
.client figcaption{font-size:.72rem;line-height:1.3;color:var(--muted);font-weight:400}

/* ---------- Gallery ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
@media (max-width:900px){.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.gallery{grid-template-columns:1fr}}
.gallery img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius);
  border:1px solid var(--line-soft);
}

/* ---------- Machine photo grid (brand pages) ---------- */
.shots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
@media (max-width:900px){.shots{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.shots{grid-template-columns:1fr}}
.shots img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line-soft)}

/* ---------- Brand intro ---------- */
.brandintro{display:grid;grid-template-columns:260px 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:center}
.brandintro__logo{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;display:grid;place-items:center}
.brandintro__logo img{max-height:130px;width:auto;object-fit:contain}
@media (max-width:760px){.brandintro{grid-template-columns:1fr}}

/* ==========================================================================
   CONFIGURATOR
   ========================================================================== */
.cfg{padding-block:clamp(2.5rem,5vw,4rem);scroll-margin-top:96px}
.cfg + .cfg{border-top:1px solid var(--line-soft)}
.cfg--alt{background:var(--bg-alt)}
.cfg__head{display:flex;flex-wrap:wrap;align-items:baseline;gap:.75rem 1.25rem;margin-bottom:2rem}
.cfg__title{
  font-weight:800;text-transform:uppercase;letter-spacing:-.005em;line-height:1.15;
  font-size:clamp(1.4rem,3vw,2.1rem);color:var(--green-900);
}
.cfg__step{
  font-weight:500;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:#fff;background:var(--green-900);padding:.3rem .7rem;border-radius:100px;
}
.cfg__back{
  margin-left:auto;display:inline-flex;align-items:center;gap:.4rem;text-decoration:none;
  font-weight:500;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);border:1px solid var(--line);border-radius:100px;padding:.4rem .9rem;
  transition:color .15s,border-color .15s;
}
.cfg__back:hover{color:var(--green-900);border-color:var(--green-900)}
.cfg__back svg{width:11px;height:11px;fill:currentColor}

.cfg__options{display:grid;gap:var(--gap);grid-template-columns:repeat(auto-fill,minmax(178px,1fr))}
.cfg__options--wide{grid-template-columns:repeat(auto-fill,minmax(215px,1fr))}
@media (max-width:520px){
  .cfg__options{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}
  .cfg__options--wide{grid-template-columns:1fr}
}
.opt{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;text-decoration:none;
  transition:border-color .18s,transform .18s,box-shadow .18s;
}
.opt:hover{border-color:var(--orange);transform:translateY(-3px);box-shadow:var(--shadow)}
.opt__img{aspect-ratio:1;overflow:hidden;background:#fff;padding:12px;border-bottom:1px solid var(--line-soft)}
.opt__img img{width:100%;height:100%;object-fit:contain;transition:transform .4s}
.opt:hover .opt__img img{transform:scale(1.04)}
.opt__label{
  padding:.85rem .75rem;text-align:center;font-weight:500;font-size:.78rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--green-900);
  display:flex;align-items:center;justify-content:center;gap:.4rem;min-height:56px;
}
.opt:hover .opt__label{color:var(--orange)}
.opt__label svg{width:11px;height:11px;fill:currentColor;flex:none;opacity:.75}
/* text-only option (no photo) */
.opt--flat .opt__label{min-height:72px;font-size:.85rem}
.opt--flat{border-color:var(--line)}

.cfg__aside{
  display:grid;grid-template-columns:200px 1fr;gap:clamp(1.25rem,3vw,2.5rem);align-items:start;
}
@media (max-width:760px){.cfg__aside{grid-template-columns:1fr}.cfg__aside .cfg__thumb{max-width:180px}}
.cfg__thumb img{width:100%;aspect-ratio:1;object-fit:contain;background:#fff;padding:14px;border-radius:var(--radius);border:1px solid var(--line)}

.cfg__note{
  margin-top:2.5rem;padding:1.25rem 1.5rem;border-left:3px solid var(--orange);
  background:var(--green-050);color:var(--muted);font-size:.95rem;font-weight:300;
}

/* ---------- Contact ---------- */
.addr-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
@media (max-width:900px){.addr-grid{grid-template-columns:1fr}}
.addr{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem}
.section--dark .addr{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.18)}
.addr h3{
  font-weight:800;font-size:.95rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--green-900);margin-bottom:.85rem;
}
.section--dark .addr h3{color:var(--orange)}
.addr p{font-weight:300;color:var(--muted);font-size:.98rem;margin-bottom:.6rem}
.section--dark .addr p{color:rgba(255,255,255,.8)}
.addr .phone{font-weight:500;color:var(--green-900)}
.section--dark .addr .phone{color:#fff}

/* ---------- CTA band ---------- */
.cta{background:var(--green-900);color:#fff;padding-block:clamp(2.75rem,5vw,4rem);text-align:center}
.cta .h-sec{color:#fff;margin-bottom:1.5rem}

/* ---------- Footer ---------- */
.site-footer{background:#04231E;color:rgba(255,255,255,.72);padding-block:2.5rem;font-size:.9rem}
.site-footer__grid{display:flex;flex-wrap:wrap;gap:1.25rem;align-items:center;justify-content:space-between}
.site-footer a{text-decoration:none}
.site-footer a:hover{color:var(--orange)}
.footer-nav{display:flex;flex-wrap:wrap;gap:.35rem 1.25rem;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase}

/* ---------- Reveal ----------
   Hidden only when JS is running; with JS off, everything renders at rest. */
html.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
html.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .reveal{opacity:1;transform:none;transition:none}
  .hero__slide{transition:none}
  .opt,.brandcard{transition:none}
}

/* ---------- Back to top ---------- */
.totop{
  position:fixed;right:18px;bottom:18px;width:42px;height:42px;border-radius:50%;
  background:var(--green-900);color:#fff;border:0;display:grid;place-items:center;cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .2s,background .15s;z-index:90;
}
.totop.is-vis{opacity:1;pointer-events:auto}
.totop:hover{background:var(--orange)}
.totop svg{width:16px;height:16px;fill:currentColor}