/* =========================================================
   Putra Langsa Makmur — Epoxy Flooring & Industrial Coating
   styles.css
   ========================================================= */

:root{
  --bg:#f5f4ef;
  --bg-2:#ffffff;
  --surface:#ffffff;
  --surface-2:#f0eee7;
  --line:rgba(20,24,30,.10);
  --line-2:rgba(20,24,30,.18);
  --text:#16181d;
  --mute:#5c636d;
  --accent:#ff5722;
  --accent-ink:#d9420f;
  --accent-2:#ffb300;
  --glow:rgba(255,87,34,.25);
  --wa:#25d366;
  --radius:24px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --pad:6vw;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:'Sora',system-ui,sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;-webkit-font-smoothing:antialiased;line-height:1.6}
h1,h2,h3,h4{font-family:'Bricolage Grotesque',system-ui,sans-serif;line-height:1.05;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}

.skip{position:absolute;left:-999px;top:10px;z-index:999;background:var(--text);color:#fff;padding:10px 16px;border-radius:10px}
.skip:focus{left:10px}

/* ---- ambient background ---- */
.glow-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(700px circle at 85% 5%,var(--glow),transparent 55%),
    radial-gradient(600px circle at 0% 70%,rgba(255,179,0,.18),transparent 55%)}

/* ---- nav ---- */
nav{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;padding:18px var(--pad);transition:padding .3s,background .3s,border-color .3s;border-bottom:1px solid transparent}
nav.scrolled,nav.open{padding:12px var(--pad);background:rgba(245,244,239,.88);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.logo{display:flex;align-items:center;gap:12px;font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:800;font-size:1.2rem;line-height:1.15}
.logo-mark{width:40px;height:40px;flex-shrink:0;border-radius:12px;background:linear-gradient(140deg,var(--accent),#c4380c);display:grid;place-items:center;font-size:1rem;color:#fff;box-shadow:0 8px 24px var(--glow)}
.logo-img{height:38px;width:auto;flex-shrink:0}
.foot-logo{height:110px;width:auto;display:block}
.logo small{display:block;font-family:'Sora',system-ui,sans-serif;font-weight:400;font-size:.6rem;letter-spacing:2.5px;color:var(--mute);margin-top:3px}
.nav-links{display:flex;gap:30px;align-items:center;font-size:.93rem}
.nav-links > a{color:var(--mute);transition:color .25s;position:relative}
.nav-links > a:not(.nav-cta)::after{content:'';position:absolute;left:0;bottom:-6px;width:0;height:2px;background:var(--accent);transition:width .28s var(--ease)}
.nav-links > a:hover,.nav-links > a.active{color:var(--text)}
.nav-links > a:not(.nav-cta):hover::after,.nav-links > a.active::after{width:100%}
.nav-cta{padding:11px 22px;border-radius:100px;background:var(--text);color:#fff!important;font-weight:500;transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(20,24,30,.18)}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:none;background:none;align-items:center}
.burger span{width:24px;height:2px;background:var(--text);transition:transform .3s,opacity .3s}
nav.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
nav.open .burger span:nth-child(2){opacity:0}
nav.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.lang-switch{display:flex;align-items:center;gap:4px;font-size:.85rem;color:var(--mute)}
.lang-switch button{background:none;border:none;color:var(--mute);font-weight:600;font-size:.85rem;padding:5px 8px;border-radius:8px;transition:color .25s,background .25s}
.lang-switch button:hover{color:var(--text)}
.lang-switch button.active{color:var(--accent-ink);background:var(--surface-2)}
.lang-switch span{opacity:.4}

/* ---- hero ---- */
header{min-height:100vh;display:flex;align-items:center;padding:130px var(--pad) 80px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:center;width:100%}
.pill{display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border:1px solid var(--line-2);border-radius:100px;font-size:.82rem;color:var(--mute);margin-bottom:30px;background:rgba(255,255,255,.6)}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.25}}
h1.hero{font-size:clamp(2.8rem,7vw,6.4rem);font-weight:800;max-width:12ch}
.grad{background:linear-gradient(120deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-p{max-width:540px;color:var(--mute);font-size:1.1rem;margin-top:28px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:34px}
.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;font-size:.88rem;color:var(--mute)}
.hero-facts li{display:flex;align-items:center;gap:8px}
.hero-facts li::before{content:'';width:18px;height:18px;flex-shrink:0;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/11px no-repeat}

/* layers illustration */
.layers{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:0 30px 70px rgba(20,24,30,.10)}
.layers-title{font-size:.78rem;letter-spacing:2.5px;text-transform:uppercase;color:var(--mute);margin-bottom:16px}
.layer{border-radius:14px;padding:14px 18px;margin-top:6px;transition:transform .35s var(--ease)}
.layer:hover{transform:translateX(-8px)}
.layer span{display:block;font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:700;font-size:1.05rem}
.layer small{font-size:.8rem;opacity:.85}
.l-top{background:linear-gradient(120deg,#ff6a33,#ff8f40);color:#fff;position:relative;overflow:hidden}
.l-top::after{content:'';position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.45),transparent);animation:shine 4s infinite}
@keyframes shine{0%,60%{left:-60%}100%{left:130%}}
.l-body{background:#ffd5c2;color:#5b2410;padding-top:22px;padding-bottom:22px}
.l-primer{background:#f3e7d6;color:#5a4325}
.l-con{background:repeating-linear-gradient(135deg,#c9c6bf 0 6px,#bdb9b1 6px 12px);color:#2c2c2c;padding-top:24px;padding-bottom:24px}

/* ---- buttons ---- */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 28px;border-radius:100px;font-weight:500;font-size:1rem;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;border:1px solid transparent}
.btn .ico{width:20px;height:20px}
.btn-primary{background:linear-gradient(120deg,var(--accent),#e8541b);color:#fff;box-shadow:0 10px 36px var(--glow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 50px var(--glow)}
.btn-primary[disabled]{opacity:.6;pointer-events:none}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:rgba(255,255,255,.7)}
.btn-ghost:hover{border-color:var(--accent);transform:translateY(-3px)}

/* ---- reveal ---- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.1s}
.reveal[data-d="2"]{transition-delay:.2s}
.reveal[data-d="3"]{transition-delay:.3s}
.no-js .reveal{opacity:1;transform:none}

/* ---- marquee ---- */
.trust{padding:34px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;background:var(--bg-2)}
.trust-track{display:flex;gap:56px;align-items:center;animation:march 40s linear infinite;white-space:nowrap;width:max-content}
.trust-track span{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:700;font-size:1.3rem;color:var(--mute);opacity:.5}
@keyframes march{to{transform:translateX(-50%)}}

/* ---- sections ---- */
section{padding:120px var(--pad);position:relative}
section.alt{background:none;isolation:isolate}
section.tight{padding-top:20px}
.eyebrow{display:flex;align-items:center;gap:12px;color:var(--accent-ink);font-size:.82rem;letter-spacing:3px;text-transform:uppercase;margin-bottom:18px;font-weight:600}
.eyebrow::before{content:'';width:32px;height:1px;background:var(--accent)}
h2.title{font-size:clamp(2.2rem,5vw,4.2rem);font-weight:700;max-width:16ch}
.sec-top{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:60px}
.sec-top > p{max-width:420px;color:var(--mute)}

/* ---- epoxy systems ---- */
.sys{display:grid;grid-template-columns:300px 1fr;gap:24px;align-items:start}
.sys-tabs{display:flex;flex-direction:column;gap:8px}
.sys-tab{display:flex;align-items:center;justify-content:space-between;gap:12px;text-align:left;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px;color:var(--text);transition:border-color .25s,background .25s,transform .25s}
.sys-tab:hover{border-color:var(--line-2);transform:translateX(4px)}
.sys-tab b{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-size:1.05rem;font-weight:700}
.sys-tab small{display:block;color:var(--mute);font-size:.78rem;margin-top:2px}
.sys-tab .arr{color:var(--mute);transition:color .25s,transform .25s}
.sys-tab[aria-selected="true"]{background:var(--text);color:#fff;border-color:var(--text)}
.sys-tab[aria-selected="true"] small{color:rgba(255,255,255,.65)}
.sys-tab[aria-selected="true"] .arr{color:var(--accent);transform:translateX(4px)}
.sys-panel{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:44px;box-shadow:0 20px 60px rgba(20,24,30,.07);min-height:100%;animation:fadeIn .45s var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.sys-panel h3{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:800}
.sys-panel .desc{color:var(--mute);margin:14px 0 28px;max-width:62ch;font-size:1.02rem}
.sys-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.meta-box{background:var(--surface-2);border-radius:18px;padding:20px}
.meta-box .k{font-size:.75rem;letter-spacing:2px;text-transform:uppercase;color:var(--mute)}
.meta-box .v{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:700;font-size:1.35rem;margin-top:6px}
.meta-box .bar{height:8px;border-radius:8px;background:rgba(20,24,30,.08);margin-top:12px;overflow:hidden}
.meta-box .bar i{display:block;height:100%;border-radius:8px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .6s var(--ease)}
.sys-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:32px}
.sys-cols h4{font-family:'Sora',system-ui,sans-serif;font-size:.78rem;letter-spacing:2px;text-transform:uppercase;color:var(--mute);font-weight:600;margin-bottom:12px}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:8px 14px;border-radius:100px;border:1px solid var(--line-2);font-size:.86rem;background:var(--surface)}
.ticks{list-style:none;display:grid;gap:8px;font-size:.95rem}
.ticks li{display:flex;gap:10px;align-items:flex-start}
.ticks li::before{content:'';width:18px;height:18px;margin-top:3px;flex-shrink:0;border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/11px no-repeat}
.sys-note{font-size:.8rem;color:var(--mute);margin-top:16px}

/* ---- color visualizer ---- */
.viz{display:grid;grid-template-columns:1.3fr 1fr;gap:28px;align-items:stretch}
.viz-stage{border-radius:28px;overflow:hidden;background:#dcd8cf;border:1px solid var(--line);min-height:420px;position:relative}
.room{position:absolute;inset:0;perspective:600px;perspective-origin:50% 0%}
.wall{position:absolute;left:0;right:0;top:0;height:45%;background:linear-gradient(180deg,#ece9e2,#dedad1)}
.wall::after{content:'';position:absolute;left:8%;right:8%;bottom:0;height:12px;background:#c9c4b8}
.floor{position:absolute;left:-60%;right:-60%;top:45%;height:140%;transform-origin:50% 0%;transform:rotateX(70deg);background-color:var(--floor,#c9ccc9);transition:background .5s var(--ease);overflow:hidden}
.floor-gloss{position:absolute;inset:0;background:
  radial-gradient(30% 10% at 50% 3%,rgba(255,255,255,.6),transparent 80%),
  linear-gradient(180deg,rgba(255,255,255,.35),transparent 18%);transition:opacity .4s}
.floor-tex{position:absolute;inset:0;opacity:0;transition:opacity .4s;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.6' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E")}
.floor-line{position:absolute;top:0;bottom:0;left:34%;width:2.2%;background:#f2c200;transition:opacity .3s}
.floor-line::after{content:'';position:absolute;top:0;bottom:0;left:1300%;width:100%;background:#f2c200}
.floor[data-finish="matte"] .floor-gloss{opacity:.12}
.floor[data-finish="slip"] .floor-gloss{opacity:.18}
.floor[data-finish="slip"] .floor-tex{opacity:1}
.floor.no-line .floor-line{opacity:0}
.viz-ctrl{background:var(--surface);border:1px solid var(--line);border-radius:28px;padding:32px;display:flex;flex-direction:column;gap:14px}
.viz-h{font-family:'Sora',system-ui,sans-serif;font-size:.78rem;letter-spacing:2px;text-transform:uppercase;color:var(--mute);font-weight:600}
.swatches{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,76px));gap:10px;margin-bottom:8px}
.swatch{aspect-ratio:1;border-radius:14px;border:2px solid transparent;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12);transition:transform .2s,border-color .2s;position:relative}
.swatch:hover{transform:translateY(-3px)}
.swatch[aria-checked="true"]{border-color:var(--text);transform:translateY(-3px)}
.swatch[aria-checked="true"]::after{content:'';position:absolute;inset:0;margin:auto;width:18px;height:18px;border-radius:50%;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2316181d' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 12 4 4 8-8'/%3E%3C/svg%3E") center/11px no-repeat}
.seg{display:flex;max-width:460px;background:var(--surface-2);border-radius:100px;padding:4px;margin-bottom:6px}
.seg button{flex:1;border:none;background:none;padding:10px 8px;border-radius:100px;font-size:.88rem;color:var(--mute);transition:background .25s,color .25s}
.seg button.active{background:var(--surface);color:var(--text);box-shadow:0 2px 10px rgba(20,24,30,.1);font-weight:600}
.check{display:flex;align-items:center;gap:10px;font-size:.9rem;color:var(--mute);cursor:pointer}
.check input{width:18px;height:18px;accent-color:var(--accent)}
.viz-h[data-type="solid"] [data-i18n="viz.flakeH"],.viz-h[data-type="flake"] [data-i18n="viz.color"]{display:none}
.swatches.is-flake .swatch{box-shadow:inset 0 0 0 1px rgba(0,0,0,.12),inset 0 8px 14px rgba(255,255,255,.25)}
.flake-opt{display:flex;flex-direction:column;gap:14px}
.flake-opt[hidden]{display:none}
.viz-zoom{position:absolute;right:20px;bottom:20px;width:clamp(96px,18%,150px);aspect-ratio:1;border-radius:50%;border:4px solid #fff;box-shadow:0 14px 40px rgba(0,0,0,.28);overflow:hidden;z-index:3;transition:background .4s}
.viz-zoom::before{content:'';position:absolute;inset:0;background:radial-gradient(60% 45% at 35% 25%,rgba(255,255,255,.55),transparent 70%);transition:opacity .4s}
.viz-zoom[data-finish="matte"]::before{opacity:.15}
.viz-zoom[data-finish="slip"]::before{opacity:.2}
.viz-zoom[data-finish="slip"]::after{content:'';position:absolute;inset:0;mix-blend-mode:multiply;opacity:.8;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='1.6' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.55'/%3E%3C/svg%3E")}
.viz-zoom span{position:absolute;left:50%;bottom:10px;transform:translateX(-50%);z-index:2;font-size:.64rem;letter-spacing:1.5px;text-transform:uppercase;font-weight:600;color:#fff;background:rgba(0,0,0,.5);padding:3px 8px;border-radius:100px;white-space:nowrap}
.viz-pick{margin-top:auto;padding:14px 16px;background:var(--surface-2);border-radius:14px;font-size:.9rem}
.viz-pick b{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-size:1.05rem}

/* ---- services ---- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px;position:relative;overflow:hidden;display:flex;flex-direction:column;gap:14px;transition:border-color .35s,transform .35s,box-shadow .35s}
.svc-card:hover{border-color:var(--line-2);transform:translateY(-6px);box-shadow:0 24px 55px rgba(20,24,30,.10)}
.svc-ico{width:54px;height:54px;border-radius:16px;background:var(--surface-2);border:1px solid var(--line-2);display:grid;place-items:center;transition:background .35s,color .35s,border-color .35s,transform .35s}
.svc-ico svg{width:24px;height:24px}
.svc-card:hover .svc-ico{background:linear-gradient(140deg,var(--accent),#e8541b);color:#fff;border-color:transparent;transform:rotate(-6deg)}
.svc-card h3{font-size:1.35rem;font-weight:700;margin-top:10px}
.svc-card p{color:var(--mute);font-size:.95rem}

/* ---- industries + stats ---- */
.ind{display:flex;align-items:center;gap:30px;flex-wrap:wrap;padding:30px 0 40px}
.ind-title{font-size:1.4rem;font-weight:700}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{background:linear-gradient(160deg,var(--surface),var(--surface-2));border:1px solid var(--line);border-radius:var(--radius);padding:36px 28px;transition:transform .35s,border-color .35s}
.stat:hover{transform:translateY(-6px);border-color:var(--accent)}
.stat .n{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:800;font-size:3.3rem;line-height:1;color:var(--accent-ink)}
.stat .l{color:var(--mute);margin-top:10px;font-size:.95rem}

/* ---- local / Batam ---- */
.local{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:32px;padding:56px;box-shadow:0 20px 60px rgba(20,24,30,.06)}
.local-body p{color:var(--mute);margin-bottom:16px;font-size:1.02rem}
.local-chips{margin:24px 0 30px}
.local-chips li{background:var(--surface-2);border-color:transparent;font-size:.84rem}
@media(max-width:900px){.local{grid-template-columns:1fr;gap:24px;padding:30px}}

/* ---- timeline ---- */
.timeline{list-style:none}
.t-row{display:grid;grid-template-columns:120px 1fr;gap:40px;padding:34px 0;border-top:1px solid var(--line);align-items:center;transition:padding-left .35s}
.t-row:hover{padding-left:16px}
.t-row:last-child{border-bottom:1px solid var(--line)}
.t-num{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:800;font-size:3rem;color:var(--line-2);transition:color .35s}
.t-row:hover .t-num{color:var(--accent)}
.t-body h3{font-size:1.6rem;font-weight:700;margin-bottom:8px}
.t-body p{color:var(--mute);max-width:64ch}

/* ---- gallery ---- */
.filters{display:flex;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:100px;padding:4px}
.filters button{white-space:nowrap;border:none;background:none;padding:9px 18px;border-radius:100px;font-size:.88rem;color:var(--mute);transition:background .25s,color .25s}
.filters button.active{background:var(--text);color:#fff}
/* before / after */
.ba-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;margin-bottom:70px}
.ba{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:4/3;background:#ccc;box-shadow:0 30px 70px rgba(20,24,30,.14);user-select:none}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba-after{clip-path:inset(0 0 0 var(--pos))}
.ba-handle{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;margin-left:-1.5px;background:#fff;pointer-events:none;box-shadow:0 0 12px rgba(0,0,0,.35)}
.ba-handle span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:#fff;color:var(--text);display:grid;place-items:center;font-size:1.2rem;box-shadow:0 6px 20px rgba(0,0,0,.25)}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba input:focus-visible + .ba-handle,.ba:focus-within .ba-handle span{outline:3px solid var(--accent)}
.ba-label{position:absolute;top:16px;font-size:.74rem;letter-spacing:1.5px;text-transform:uppercase;font-weight:600;padding:6px 12px;border-radius:100px;background:rgba(0,0,0,.55);color:#fff;pointer-events:none}
.ba-label.l{left:16px}.ba-label.r{right:16px;background:var(--accent)}
.ba-text h3{font-size:clamp(1.7rem,3vw,2.5rem);font-weight:800;margin-bottom:14px}
.ba-text p{color:var(--mute);margin-bottom:26px;max-width:46ch}

/* gallery */
.gal-bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.gal-count{color:var(--mute);font-size:.88rem}
.gal{--gap:12px;display:flex;flex-direction:column;gap:var(--gap)}
.gal-row{display:flex;gap:var(--gap)}
.gal-fill{display:block}
.tile{position:relative;min-width:0;border-radius:14px;overflow:hidden;padding:0;border:none;background:var(--surface-2);cursor:zoom-in;text-align:left;color:#fff;display:block;animation:tileIn .5s var(--ease) both;box-shadow:0 6px 20px rgba(20,24,30,.08)}
@keyframes tileIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;transition:transform .7s var(--ease)}
.tile::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(0,0,0,.65),transparent 50%);opacity:0;transition:opacity .35s}
.tile .cap{position:absolute;left:14px;right:14px;bottom:12px;z-index:2;font-size:.84rem;font-weight:500;line-height:1.35;opacity:0;transform:translateY(8px);transition:opacity .35s,transform .35s}
.tile .zoom{position:absolute;top:10px;right:10px;z-index:2;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.25);backdrop-filter:blur(6px);display:grid;place-items:center;opacity:0;transform:scale(.8);transition:opacity .3s,transform .3s}
.tile:hover img{transform:scale(1.05)}
.tile:hover::after,.tile:focus-visible::after,.tile:hover .cap,.tile:focus-visible .cap,.tile:hover .zoom,.tile:focus-visible .zoom{opacity:1;transform:none}
@media(hover:none){.tile::after{opacity:.0}.tile .cap,.tile .zoom{display:none}}
.gal-more{text-align:center;margin-top:30px}
.ig-cta{display:flex;align-items:center;gap:20px;margin-top:34px;padding:22px 26px;border-radius:22px;background:var(--surface);border:1px solid var(--line);box-shadow:0 12px 40px rgba(20,24,30,.08);transition:transform .3s,box-shadow .3s,border-color .3s}
.ig-cta:hover{transform:translateY(-4px);box-shadow:0 20px 50px rgba(20,24,30,.12);border-color:#e1306c}
.ig-badge{width:58px;height:58px;flex-shrink:0;border-radius:18px;display:grid;place-items:center;color:#fff;background:radial-gradient(circle at 30% 107%,#fdf497 0%,#fdf497 5%,#fd5949 45%,#d6249f 60%,#285aeb 90%)}
.ig-badge .ig-ico{width:28px;height:28px}
.ig-text{flex:1;min-width:0}
.ig-text b{display:block;font-family:'Bricolage Grotesque',system-ui,sans-serif;font-size:1.25rem;font-weight:700}
.ig-text small{display:block;color:var(--mute);font-size:.9rem;margin-top:2px}
.ig-handle{flex-shrink:0;font-weight:600;font-size:.92rem;padding:12px 20px;border-radius:100px;background:var(--text);color:#fff;transition:background .3s}
.ig-cta:hover .ig-handle{background:#d6249f}
.ig-em .ig-ico{width:22px;height:22px;color:#d6249f}

/* lightbox */
.lb{border:none;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;margin:0;overflow:hidden}
.lb::backdrop{background:rgba(12,13,16,.92)}
.lb[open]{display:flex;align-items:center;justify-content:center}
.lb figure{max-width:min(92vw,1200px);max-height:88vh;display:flex;flex-direction:column;align-items:center;gap:14px}
.lb img{max-width:100%;max-height:80vh;object-fit:contain;border-radius:12px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lb figcaption{color:rgba(255,255,255,.85);font-size:.95rem;text-align:center}
.lb figcaption b{color:#fff;font-weight:500;margin-left:8px;opacity:.6}
.lb button{position:fixed;border:none;background:rgba(255,255,255,.12);color:#fff;border-radius:50%;width:52px;height:52px;font-size:1.8rem;line-height:1;display:grid;place-items:center;transition:background .2s}
.lb button:hover{background:rgba(255,255,255,.25)}
.lb-close{top:18px;right:18px;font-size:1.2rem!important;width:46px!important;height:46px!important}
.lb-nav.prev{left:18px;top:50%;transform:translateY(-50%)}
.lb-nav.next{right:18px;top:50%;transform:translateY(-50%)}

/* ---- FAQ ---- */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:4px 24px;transition:border-color .25s}
.faq details[open]{border-color:var(--line-2)}
.faq summary{list-style:none;cursor:pointer;padding:18px 34px 18px 0;font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:700;font-size:1.15rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';position:absolute;right:0;top:50%;transform:translateY(-50%);width:28px;height:28px;border-radius:50%;background:var(--surface-2);display:grid;place-items:center;font-family:'Sora',system-ui,sans-serif;font-weight:400;font-size:1.2rem;transition:transform .3s,background .3s,color .3s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg);background:var(--accent);color:#fff}
.faq details p{color:var(--mute);padding:0 0 20px;max-width:70ch}

/* ---- CTA band ---- */
.cta-band{margin:0 var(--pad);border-radius:32px;padding:80px 60px;background:linear-gradient(130deg,#16181d,#2a2520);position:relative;overflow:hidden;text-align:center}
.cta-band::before{content:'';position:absolute;inset:0;background:radial-gradient(700px circle at 50% -20%,var(--glow),transparent 60%)}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(2rem,4.5vw,3.8rem);font-weight:800;margin-bottom:16px;color:#fff}
.cta-band p{color:rgba(255,255,255,.72);max-width:50ch;margin:0 auto 32px}

/* ---- contact ---- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:50px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.85rem;color:var(--mute);margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;background:var(--surface);border:1px solid var(--line-2);border-radius:14px;color:var(--text);padding:14px 16px;font-family:'Sora',system-ui,sans-serif;font-size:.97rem;transition:border-color .25s,box-shadow .25s}
.field select{appearance:none;background:var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23646b75' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 14px center/18px no-repeat;padding-right:42px}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 4px var(--glow)}
.field input.invalid{border-color:#d23b2e}
.viz-note{display:flex;align-items:center;gap:12px;background:var(--surface-2);border-radius:14px;padding:12px 16px;font-size:.88rem;margin-bottom:18px}
.viz-note i{width:22px;height:22px;border-radius:6px;flex-shrink:0;box-shadow:inset 0 0 0 1px rgba(0,0,0,.15)}
.viz-note button{margin-left:auto;border:none;background:none;color:var(--mute);font-size:1.1rem}
.form-actions{display:flex;gap:12px;flex-wrap:wrap}
.form-status{margin-top:16px;font-size:.92rem;font-weight:500;min-height:1.2em}
.form-status.sending{color:var(--mute)}
.form-status.success{color:#1a8f4a}
.form-status.error{color:#d23b2e}
.info{display:flex;flex-direction:column;gap:12px}
.info-card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:20px 22px;display:flex;justify-content:space-between;align-items:flex-start;gap:16px;transition:border-color .3s,transform .3s}
.info-card:hover{border-color:var(--accent);transform:translateX(6px)}
.info-card .k{color:var(--mute);font-size:.82rem}
.info-card .v{font-family:'Bricolage Grotesque',system-ui,sans-serif;font-weight:700;font-size:1.1rem;margin-top:2px;line-height:1.35;word-break:break-word}
.info-card .em{font-size:1.3rem;flex-shrink:0}
.map{border-radius:18px;overflow:hidden;border:1px solid var(--line);height:300px;background:var(--surface-2)}
.map iframe{width:100%;height:100%;border:0;display:block}

/* ---- footer ---- */
footer{padding:70px var(--pad) 36px;border-top:1px solid var(--line);background:var(--bg-2)}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:40px;margin-bottom:50px}
.foot-col h4{color:var(--mute);font-family:'Sora',system-ui,sans-serif;font-weight:600;font-size:.78rem;letter-spacing:2px;text-transform:uppercase;margin-bottom:16px}
.foot-col a{display:block;color:var(--mute);margin-bottom:10px;transition:color .25s,padding-left .25s}
.foot-col a:hover{color:var(--text);padding-left:6px}
.foot-brand{max-width:320px}
.foot-brand p{color:var(--mute);margin-top:16px;font-size:.95rem}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;padding-top:26px;border-top:1px solid var(--line);color:var(--mute);font-size:.85rem}
.foot-bot a:hover{color:var(--text)}

/* ---- floating WhatsApp ---- */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:150;width:58px;height:58px;border-radius:50%;background:var(--wa);color:#fff;display:grid;place-items:center;box-shadow:0 12px 30px rgba(37,211,102,.4);transition:transform .25s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}
.wa-float::before{content:'';position:absolute;inset:0;border-radius:50%;border:2px solid var(--wa);animation:ring 2.4s infinite}
@keyframes ring{0%{transform:scale(1);opacity:.8}100%{transform:scale(1.6);opacity:0}}

/* ---- responsive ---- */
@media(max-width:1080px){
  .nav-links{gap:22px}
  .hero-grid{grid-template-columns:1fr}
  .layers{max-width:520px}
  .sys{grid-template-columns:1fr}
  .sys-tabs{flex-direction:row;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x mandatory}
  .sys-tab{flex:0 0 auto;scroll-snap-align:start}
  .sys-tab .arr{display:none}
  .viz{grid-template-columns:1fr}
}
@media(max-width:900px){
  :root{--pad:5vw}
  .burger{display:flex}
  .nav-links{display:none;position:fixed;top:68px;left:var(--pad);right:var(--pad);flex-direction:column;align-items:stretch;gap:4px;background:var(--bg-2);padding:16px;border-radius:20px;border:1px solid var(--line);box-shadow:0 24px 60px rgba(20,24,30,.15)}
  nav.open .nav-links{display:flex}
  .nav-links > a{padding:12px 10px;font-size:1rem;color:var(--text)}
  .nav-links > a::after{display:none}
  .nav-links .lang-switch{padding:8px 6px}
  .nav-cta{text-align:center;margin-top:6px}
  section{padding:90px var(--pad)}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .ba-wrap{grid-template-columns:1fr;gap:28px}
  .t-row{grid-template-columns:56px 1fr;gap:18px}
  .t-num{font-size:2rem}
  .contact-grid{grid-template-columns:1fr}
  .sys-panel{padding:28px}
}
@media(max-width:560px){
  header{padding-top:110px}
  .logo{font-size:1.05rem;gap:10px}
  .logo-img{height:32px}
  .svc-grid,.stats,.row2,.sys-meta,.sys-cols{grid-template-columns:1fr}
  .filters button{padding:9px 13px;font-size:.82rem}
  .tile{border-radius:10px}
  .lb-nav{top:auto!important;bottom:22px;transform:none!important}
  .cta-band{padding:50px 24px;border-radius:24px}
  .hero-actions .btn{flex:1;padding:14px 16px;font-size:.95rem}
  .viz-stage{min-height:300px}
  .swatches{grid-template-columns:repeat(4,1fr)}
  .viz-ctrl{padding:22px}
  .form-actions .btn{flex:1}
  .ig-cta{flex-wrap:wrap;padding:20px}
  .ig-handle{width:100%;text-align:center}
  .wa-float{right:16px;bottom:16px;width:54px;height:54px}
}

/* ---- hero background: lantai industri + marka safety ---- */
.bg-safety{position:relative;overflow:hidden;isolation:isolate}
.bg-safety::before{content:'';position:absolute;z-index:-1;inset:0;background-color:#e7e4dd;
  background-image:
    linear-gradient(90deg,transparent 72%,#f2c200 72% 73.2%,transparent 73.2% 86%,#f2c200 86% 87.2%,transparent 87.2%),
    url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27220%27%20height%3D%27220%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%27.75%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20values%3D%270%200%200%200%200%20%200%200%200%200%200%20%200%200%200%200%200%20%200%200%200%20.55%200%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E");
  background-size:100% calc(100% - 96px),220px 220px;background-position:0 100%,0 0;background-repeat:no-repeat,repeat;opacity:.9;
  -webkit-mask-image:linear-gradient(100deg,transparent 35%,#000 70%);mask-image:linear-gradient(100deg,transparent 35%,#000 70%)}
.bg-safety::after{content:'';position:absolute;z-index:-1;left:0;right:0;bottom:0;height:16px;
  background:repeating-linear-gradient(-45deg,#16181d 0 18px,#f2c200 18px 36px)}
@media(max-width:1080px){
  .bg-safety::before{background-image:
      linear-gradient(90deg,transparent 78%,#f2c200 78% 80%,transparent 80% 92%,#f2c200 92% 94%,transparent 94%),
      url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27220%27%20height%3D%27220%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%27.75%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20values%3D%270%200%200%200%200%20%200%200%200%200%200%20%200%200%200%200%200%20%200%200%200%20.55%200%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E");
    -webkit-mask-image:linear-gradient(180deg,transparent 45%,#000 85%);mask-image:linear-gradient(180deg,transparent 45%,#000 85%)}
}
@media(max-width:560px){.bg-safety::after{height:12px;background:repeating-linear-gradient(-45deg,#16181d 0 13px,#f2c200 13px 26px)}}

/* ---- tema lantai industri di seluruh halaman ---- */
/* tekstur beton halus di seluruh latar */
body::before{content:'';position:fixed;inset:0;z-index:-1;pointer-events:none;background:url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27220%27%20height%3D%27220%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%27.75%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20values%3D%270%200%200%200%200%20%200%200%200%200%200%20%200%200%200%200%200%20%200%200%200%20.16%200%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E") 0 0/220px 220px}
/* section selang-seling: pita lantai beton dengan jalur kuning di tepi kiri & kanan */
section.alt::before{content:'';position:absolute;inset:0;z-index:-1;background-color:#e9e6df;
  background-image:
    linear-gradient(90deg,transparent calc(var(--pad) * .32),#f2c200 calc(var(--pad) * .32) calc(var(--pad) * .32 + 7px),transparent calc(var(--pad) * .32 + 7px) calc(100% - var(--pad) * .32 - 7px),#f2c200 calc(100% - var(--pad) * .32 - 7px) calc(100% - var(--pad) * .32),transparent calc(100% - var(--pad) * .32)),
    url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27220%27%20height%3D%27220%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%27.75%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20values%3D%270%200%200%200%200%20%200%200%200%200%200%20%200%200%200%200%200%20%200%200%200%20.38%200%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E");
  background-size:100% 100%,220px 220px;
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 90px,#000 calc(100% - 90px),transparent);mask-image:linear-gradient(180deg,transparent,#000 90px,#000 calc(100% - 90px),transparent)}
/* pita hazard sebagai pemisah */
.cta-band::after{content:'';position:absolute;left:0;right:0;top:0;height:10px;z-index:2;background:repeating-linear-gradient(-45deg,#16181d 0 14px,#f2c200 14px 28px)}
footer{position:relative}
footer::before{content:'';position:absolute;left:0;right:0;top:-1px;height:10px;background:repeating-linear-gradient(-45deg,#16181d 0 14px,#f2c200 14px 28px)}
.trust{border-top:none;border-bottom:none;background:#1b1d21}
.trust-track span{color:#f2c200;opacity:.85}
.trust-track span:nth-child(4n+3){color:#fff;opacity:.7}
@media(max-width:560px){section.alt::before{background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27220%27%20height%3D%27220%27%3E%3Cfilter%20id%3D%27n%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%27.75%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27%2F%3E%3CfeColorMatrix%20values%3D%270%200%200%200%200%20%200%200%200%200%200%20%200%200%200%200%200%20%200%200%200%20.38%200%27%2F%3E%3C%2Ffilter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23n%29%27%2F%3E%3C%2Fsvg%3E");background-size:220px 220px}}

.hp{position:absolute!important;left:-9999px!important;width:1px;height:1px;overflow:hidden}

/* ---- reduced motion ---- */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}