:root{
    --brown:#593018;
    --brown-deep:#3E2110;
    --brown-soft:#7A4726;
    --gold:#D99D28;
    --gold-soft:#F0C46A;
    --gold-pale:#FBEDD1;
    --cream:#FBF7F0;
    --paper:#FFFFFF;
    --ink:#2B1B10;
    --ink-soft:#6B5C4E;
    --line:#E7DDCE;
    --maxw:1180px;
  }

  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--cream);
    color:var(--ink);
    font-family:'Manrope', sans-serif;
    font-size:16.5px;
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:'Manrope', sans-serif;
    font-weight:800;
    line-height:1.15;
    margin:0;
    letter-spacing:-0.01em;
  }
  p{margin:0;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px;}
  ::selection{background:var(--gold);color:var(--brown-deep);}
  :focus-visible{outline:2px solid var(--gold);outline-offset:3px;}
  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.001ms !important; animation-iteration-count:1 !important; transition-duration:0.001ms !important;}
  }
  .icon{width:26px;height:26px;stroke:var(--brown);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}

  /* ---------- BUTTONS ---------- */
  .btn{
    display:inline-flex;align-items:center;gap:8px;
    padding:14px 26px;font-weight:700;font-size:15px;
    border-radius:10px;border:1.5px solid transparent;cursor:pointer;
    transition:background .18s ease, color .18s ease, border-color .18s ease, transform .12s ease;
  }
  .btn:hover{transform:translateY(-1px);}
  .btn-primary{background:var(--brown);color:var(--paper);}
  .btn-primary:hover{background:var(--brown-deep);}
  .btn-gold{background:var(--gold);color:var(--brown-deep);}
  .btn-gold:hover{background:var(--gold-soft);}
  .btn-line{background:transparent;color:var(--brown);border-color:var(--brown);}
  .btn-line:hover{background:var(--brown);color:var(--paper);}

  /* ---------- HEADER: transparent, floats over hero, auto-hides when idle ---------- */
  header{
    position:fixed;top:0;left:0;right:0;z-index:50;
    background:transparent;
    border-bottom:1px solid rgba(255,255,255,0.12);
    transition:transform .35s ease, opacity .35s ease, background .3s ease;
  }
  /* hidden state (applied by JS when the page is idle) */
  header.is-hidden{transform:translateY(-100%);opacity:0;pointer-events:none;}
  /* once scrolled past the hero, give it a readable backdrop */
  header.is-solid{background:rgba(251,247,240,0.94);backdrop-filter:blur(10px);border-bottom-color:var(--line);}

  .nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:14px 32px;max-width:var(--maxw);margin:0 auto;gap:16px;}
  .nav-logo{justify-self:start;}
  .nav-logo img{height:70px;width:auto;}
  .nav-links{display:flex;gap:10px;font-size:13px;font-weight:600;justify-self:center;}
  .nav-right{display:flex;align-items:center;gap:16px;justify-self:end;}
  .nav-links button{
    background:none;border:none;cursor:pointer;font-family:inherit;font-size:13px;font-weight:600;
    color:#fff;padding:6px 10px;border-bottom:2px solid transparent;transition:color .15s,border-color .15s;
    text-shadow:0 1px 3px rgba(0,0,0,0.35);
  }
  .nav-links button:hover{color:var(--gold-soft);border-color:var(--gold);}
  .lang-switch{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;flex-shrink:0;}
  .lang-switch button{
    background:none;border:none;cursor:pointer;font-family:inherit;font-size:14px;font-weight:700;
    color:#fff;padding:4px 2px;text-shadow:0 1px 3px rgba(0,0,0,0.35);
  }
  .lang-switch button.active{color:var(--gold-soft);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--gold);}
  .lang-switch .sep{color:rgba(255,255,255,0.5);}
  /* when the header has a solid backdrop, switch text back to dark ink */
  header.is-solid .nav-links button,
  header.is-solid .lang-switch button{color:var(--ink-soft);text-shadow:none;}
  header.is-solid .nav-links button:hover{color:var(--brown);}
  header.is-solid .lang-switch button.active{color:var(--brown);}
  header.is-solid .lang-switch .sep{color:var(--line);}
  .nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
  .nav-toggle span{display:block;width:22px;height:2px;background:#fff;margin:5px 0;}
  header.is-solid .nav-toggle span{background:var(--brown);}

  /* ---------- HERO: fills the screen, background starts at the very top ---------- */
  .hero{
    display:flex;flex-direction:column;justify-content:space-between;
    min-height:100vh;background-size:cover;background-position:center;
  }
  .hero.has-bg{color:#fff;}
  .hero.has-bg .hero-sub{color:rgba(255,255,255,0.88);}
  .hero.has-bg .hero-note{color:rgba(255,255,255,0.75);}
  .hero.has-bg .btn-line{border-color:#fff;color:#fff;}
  .hero.has-bg .btn-line:hover{background:#fff;color:var(--brown);}
  .hero-content{padding:120px 0 0;}  /* top padding clears the floating header */
  .hero-grid{display:grid;grid-template-columns:0.9fr 1.3fr;gap:48px;align-items:center;}
  .hero-inner{max-width:760px;}
  .hero h1{font-size:clamp(30px,4.4vw,50px);}
  .hero-sub{margin-top:14px;max-width:56ch;font-size:16.5px;color:var(--ink-soft);}
  .hero-actions{margin-top:20px;display:flex;gap:14px;flex-wrap:wrap;}
  .hero-note{margin-top:14px;font-size:13px;color:var(--ink-soft);display:flex;align-items:center;gap:8px;}
  .hero-note .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);}

  /* hero video */
  .hero-video{width:100%;}
  .video-thumb{
    position:relative;width:100%;aspect-ratio:16/9;border-radius:16px;overflow:hidden;
    background:var(--brown-deep);cursor:pointer;box-shadow:0 20px 40px rgba(89,48,24,0.16);
  }
  .video-thumb img{width:100%;height:100%;object-fit:cover;display:block;}
  .video-thumb iframe{width:100%;height:100%;border:0;display:block;}
  .play-btn{
    position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
    width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,0.92);
    border:none;display:flex;align-items:center;justify-content:center;cursor:pointer;
    transition:background .15s ease, transform .15s ease;
  }
  .play-btn:hover{background:#fff;transform:translate(-50%,-50%) scale(1.06);}
  .play-btn svg{width:22px;height:22px;fill:var(--brown);margin-left:3px;}
  .hero-video-empty{display:none;}

  /* achievement marquee pinned to the bottom of the hero screen */
  .achieve{background:var(--brown);overflow:hidden;padding:16px 0;}
  .achieve-track{display:flex;width:max-content;animation:scroll 38s linear infinite;}
  .achieve-item{
    display:flex;align-items:center;gap:12px;
    padding:0 34px;border-right:1px solid rgba(255,255,255,0.15);
    white-space:nowrap;color:var(--gold-soft);font-size:14px;font-weight:600;
  }
  .achieve-item svg{width:20px;height:20px;stroke:var(--gold-soft);fill:none;stroke-width:1.8;flex-shrink:0;}
  @keyframes scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}

  /* ---------- SECTION GENERIC: every section fills one screen ---------- */
  section{
    min-height:100vh;
    display:flex;flex-direction:column;justify-content:center;
    padding:80px 0;
  }
  section[id]{scroll-margin-top:0;}
  .section-head{max-width:620px;}
  .eyebrow{
    display:inline-block;font-size:13px;font-weight:700;color:var(--brown-soft);
    background:var(--gold-pale);padding:6px 14px;border-radius:100px;margin-bottom:22px;
  }
  .section-head h2{font-size:clamp(28px,3.6vw,42px);}
  .section-head p{margin-top:16px;color:var(--ink-soft);font-size:16.5px;}

  /* ---------- SOLUSI ---------- */
  .solusi{border-top:1px solid var(--line);}
  .solusi-head{max-width:none;}
  .solusi-head h2{font-size:clamp(24px,2.6vw,36px);white-space:nowrap;}
  .solusi-head p{font-size:15px;white-space:nowrap;}
  .solusi-carousel{margin-top:32px;position:relative;}
  .solusi-viewport{overflow:hidden;border-radius:20px;}
  .solusi-track{display:flex;transition:transform .45s cubic-bezier(.2,.7,.2,1);}
  .solusi-slide{
    flex:0 0 100%;display:grid;grid-template-columns:1fr 1fr;
    min-height:min(52vh,420px);background:var(--paper);border:1px solid var(--line);
  }
  .solusi-slide-img{position:relative;background:var(--gold-pale);}
  .solusi-slide-img img{width:100%;height:100%;object-fit:cover;display:block;}
  .solusi-slide-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;}
  .solusi-slide-placeholder svg{width:56px;height:56px;stroke:var(--brown-soft);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;opacity:0.5;}
  .solusi-slide-text{padding:36px 40px;display:flex;flex-direction:column;justify-content:center;gap:12px;}
  .solusi-slide-text .tag{font-size:12.5px;font-weight:700;color:var(--gold);letter-spacing:0.03em;text-transform:uppercase;}
  .solusi-slide-text h3{font-size:clamp(20px,1.9vw,26px);line-height:1.25;}
  .solusi-slide-text p{color:var(--ink-soft);font-size:14.5px;line-height:1.6;}

  /* ---------- AI SECTION ---------- */
  .ai-section{background:var(--brown);color:var(--paper);}
  .ai-section .eyebrow{background:rgba(255,255,255,0.1);color:var(--gold-soft);margin-bottom:28px;}
  .ai-section .section-head{max-width:none;}
  .ai-section .section-head h2{color:var(--paper);white-space:nowrap;font-size:clamp(22px,2.4vw,34px);}
  .ai-section .section-head p{color:#D9C8B8;white-space:nowrap;font-size:15px;}
  .ai-grid{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .ai-card{
    background:var(--brown-deep);border:1px solid rgba(255,255,255,0.1);border-radius:16px;
    padding:26px 24px;display:flex;flex-direction:column;gap:14px;
  }
  .ai-mock{
    background:rgba(255,255,255,0.05);border:1px dashed rgba(255,255,255,0.18);
    border-radius:10px;padding:16px;font-size:12.5px;color:#C9B8A6;display:grid;gap:8px;
  }
  .ai-mock-row{display:flex;justify-content:space-between;}
  .ai-mock-row span:last-child{color:var(--gold-soft);font-weight:600;}
  .ai-card h3{color:var(--paper);font-size:19px;}
  .ai-card p{color:#CBBBAA;font-size:14.5px;}
  .ai-card .tag{font-size:12px;font-weight:700;color:var(--gold-soft);text-transform:uppercase;letter-spacing:0.03em;}

  /* ---------- TENTANG KAMI ---------- */
  .tentang{border-top:1px solid var(--line);}
  .tentang .section-head{max-width:none;}
  .tentang-grid{margin-top:28px;}
  .tentang-copy p{color:var(--ink-soft);font-size:16px;margin-bottom:16px;}
  .tentang-copy p:last-child{margin-bottom:0;}
  .tentang-copy .note{font-size:13.5px;color:var(--brown-soft);font-style:italic;}

  /* partner logo marquee — transparent PNGs sit flat on the cream background */
  .partners{margin-top:44px;overflow:hidden;border-top:1px solid var(--line);padding-top:28px;}
  .partners-title{font-size:16px;font-weight:700;color:var(--ink-soft);margin-bottom:20px;text-align:center;}
  .partners-track{display:flex;align-items:center;gap:56px;width:max-content;animation:scroll 26s linear infinite;}
  .partner-item{height:96px;display:flex;align-items:center;flex-shrink:0;}
  .partner-item img{
    height:100%;width:auto;object-fit:contain;background:transparent;
    mix-blend-mode:multiply;   /* hides leftover white boxes on non-transparent files */
    filter:grayscale(100%);opacity:0.75;transition:filter .2s,opacity .2s;
  }
  .partner-item img:hover{filter:grayscale(0%);opacity:1;}

  /* ---------- GALLERY ---------- */
  .gallery{border-top:1px solid var(--line);}
  .gallery .section-head{max-width:none;}
  .gallery .section-head h2{white-space:nowrap;font-size:clamp(22px,2.4vw,34px);}
  .gallery .section-head p{white-space:nowrap;font-size:15px;}
  .carousel{margin-top:28px;position:relative;}
  .carousel-viewport{overflow:hidden;border-radius:18px;}
  .carousel-track{display:flex;transition:transform .45s cubic-bezier(.2,.7,.2,1);}
  .carousel-slide{
    flex:0 0 100%;height:min(56vh,460px);
    background:linear-gradient(135deg, var(--gold-pale), var(--line));
    display:flex;align-items:center;justify-content:center;flex-direction:column;
    color:var(--brown-soft);
  }
  .carousel-slide svg{width:40px;height:40px;stroke:var(--brown-soft);fill:none;stroke-width:1.5;margin-bottom:12px;}
  .carousel-slide span{font-size:15px;font-weight:700;}
  .carousel-arrow{
    position:absolute;top:50%;transform:translateY(-50%);
    width:46px;height:46px;border-radius:50%;border:none;cursor:pointer;
    background:var(--paper);box-shadow:0 6px 18px rgba(89,48,24,0.18);
    display:flex;align-items:center;justify-content:center;
    transition:background .15s ease;
  }
  .carousel-arrow:hover{background:var(--gold-pale);}
  .carousel-arrow.prev{left:-22px;}
  .carousel-arrow.next{right:-22px;}
  .carousel-arrow svg{width:20px;height:20px;stroke:var(--brown);fill:none;stroke-width:2;}
  .carousel-dots{display:flex;justify-content:center;gap:8px;margin-top:20px;}
  .carousel-dot{width:8px;height:8px;border-radius:50%;background:var(--line);border:none;cursor:pointer;padding:0;}
  .carousel-dot.active{background:var(--gold);}

  /* ---------- FINAL CTA + FOOTER share one screen ---------- */
  .cta{
    border-top:1px solid var(--line);
    min-height:auto;padding:80px 0 0;justify-content:flex-start;
  }
  .cta-box{
    background:var(--brown);border-radius:24px;padding:48px 44px;
    display:grid;grid-template-columns:1.4fr 0.6fr;gap:32px;align-items:center;
  }
  .cta-box h2{color:var(--paper);font-size:clamp(26px,3.4vw,36px);}
  .cta-box p{margin-top:12px;color:#D9C8B8;font-size:15.5px;}
  .cta-actions{display:flex;flex-direction:column;gap:12px;align-items:flex-start;}

  /* ---------- FOOTER: 30% smaller ---------- */
  footer{padding:42px 0 25px;}
  .footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px;}
  .footer-brand img{height:27px;width:auto;margin-bottom:8px;}
  .footer-brand p{color:var(--ink-soft);font-size:9.5px;max-width:28ch;}
  .footer-col h4{font-size:8.5px;color:var(--ink-soft);font-weight:700;margin-bottom:10px;letter-spacing:0.03em;text-transform:uppercase;}
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;}
  .footer-col a,.footer-col button{
    font-size:10px;color:var(--ink-soft);transition:color .15s;
    background:none;border:none;padding:0;cursor:pointer;font-family:inherit;text-align:left;
  }
  .footer-col a:hover,.footer-col button:hover{color:var(--brown);}
  .footer-bottom{
    margin-top:34px;padding-top:14px;border-top:1px solid var(--line);
    display:flex;justify-content:space-between;font-size:9px;color:var(--ink-soft);
  }

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:920px){
    section{min-height:auto;padding:56px 0;}
    .hero{min-height:auto;}
    .hero-content{padding:110px 0 32px;}
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .hero-video{max-width:480px;}
    .ai-grid{grid-template-columns:1fr;}
    .solusi-head h2,.solusi-head p{white-space:normal;}
    .ai-section .section-head h2,.ai-section .section-head p{white-space:normal;}
    .gallery .section-head h2,.gallery .section-head p{white-space:normal;}
    .solusi-slide{grid-template-columns:1fr;min-height:auto;}
    .solusi-slide-img{aspect-ratio:16/9;}
    .solusi-slide-text{padding:28px 24px;}
    .carousel-slide{height:auto;aspect-ratio:16/9;}
    .cta-box{grid-template-columns:1fr;padding:36px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
    .nav-links{display:none;}
    .nav-toggle{display:block;}
  }
  @media (max-width:640px){
    .carousel-arrow.prev{left:6px;}
    .carousel-arrow.next{right:6px;}
    .carousel-slide{aspect-ratio:4/5;}
  }
  @media (max-width:560px){
    .wrap{padding:0 20px;}
    .nav-logo img{height:48px;}
    .cta-box{padding:26px;}
    .footer-grid{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;gap:6px;}
    .partners-track{gap:36px;}
    .partner-item{height:60px;}
  }