:root{
  --ink:#0b0809; --ink-2:#120d0e; --ink-3:#1a1314;
  --line:rgba(255,236,232,.09); --line-2:rgba(255,236,232,.16);
  --text:#efe7e4; --mute:#a3979a; --dim:#6f6467;
  --crimson:#c0202f; --blood:#8b0d18; --ember:#ff6a4d; --silver:#d9dde3;
  --serif:"Instrument Serif", "Times New Roman", serif;
  --sans:"Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --gut:clamp(18px, 4vw, 56px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--ink)}
body{margin:0;background:var(--ink);color:var(--text);font:400 16px/1.65 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%}
a{color:inherit}
::selection{background:var(--crimson);color:#fff}

/* bahasa */
html[data-lang="id"] [lang="en"]:not(html), html[data-lang="en"] [lang="id"]:not(html){display:none!important}

/* ---------- lapisan latar ---------- */
.layer{position:fixed;inset:0;pointer-events:none}
.aurora{z-index:0;overflow:hidden}
.aurora i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55;will-change:transform}
.aurora i:nth-child(1){width:52vmax;height:52vmax;left:-14vmax;top:-18vmax;background:radial-gradient(circle,#5a0a12 0%,transparent 65%);animation:drift1 26s ease-in-out infinite alternate}
.aurora i:nth-child(2){width:40vmax;height:40vmax;right:-12vmax;top:10vh;background:radial-gradient(circle,#3a0d14 0%,transparent 60%);animation:drift2 32s ease-in-out infinite alternate}
.aurora i:nth-child(3){width:30vmax;height:30vmax;left:30vw;bottom:-14vmax;background:radial-gradient(circle,rgba(255,106,77,.18) 0%,transparent 60%);animation:drift1 38s ease-in-out infinite alternate-reverse}
@keyframes drift1{to{transform:translate(8vw,6vh) scale(1.12)}}
@keyframes drift2{to{transform:translate(-10vw,12vh) scale(.92)}}
.grain{z-index:50;opacity:.07;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}
.vignette{z-index:1;background:radial-gradient(ellipse at 50% 40%,transparent 40%,rgba(0,0,0,.55) 100%)}

main,header,footer{position:relative;z-index:2}
.wrap{max-width:1240px;margin:0 auto;padding-inline:var(--gut)}

/* ---------- nav ---------- */
.nav{position:fixed;z-index:40;left:0;right:0;top:0;padding-top:env(safe-area-inset-top,0px);transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.solid{background:rgba(11,8,9,.72);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font:500 19px/1 var(--sans);letter-spacing:-.01em}
.brand img{width:30px;height:30px}
.brand small{font:400 10px/1 var(--mono);color:var(--dim);letter-spacing:.14em;text-transform:uppercase;margin-left:2px;border-left:1px solid var(--line-2);padding-left:10px}
.nav nav{display:flex;gap:26px;margin-left:auto}
.nav nav a{text-decoration:none;font:500 13.5px/1 var(--sans);color:var(--mute);transition:color .2s}
.nav nav a:hover{color:var(--text)}
.lang{display:flex;border:1px solid var(--line-2);border-radius:99px;padding:3px;font:500 11px/1 var(--mono)}
.lang button{all:unset;cursor:pointer;padding:6px 9px;border-radius:99px;color:var(--dim);letter-spacing:.08em}
.lang button[aria-pressed="true"]{background:var(--text);color:var(--ink)}
.cta{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font:600 13.5px/1 var(--sans);padding:12px 18px;border-radius:99px;background:linear-gradient(135deg,var(--crimson),var(--blood));color:#fff;box-shadow:0 0 0 1px rgba(255,255,255,.08) inset,0 10px 30px -10px rgba(192,32,47,.7);transition:transform .25s,box-shadow .25s}
.cta:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,255,255,.14) inset,0 16px 40px -12px rgba(192,32,47,.9)}
.cta svg{width:14px;height:14px}
.ghost{background:transparent;border:1px solid var(--line-2);box-shadow:none;color:var(--text)}
.ghost:hover{border-color:rgba(255,236,232,.35);box-shadow:none}
@media (max-width:900px){.nav nav{display:none}.brand small{display:none}.nav .cta.top{display:none}.lang{margin-left:auto}}

/* ---------- hero ---------- */
.hero{min-height:100svh;display:grid;grid-template-columns:minmax(0,1fr);align-items:center;position:relative;padding-block:120px 80px;overflow:hidden}
#mesh{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.floor{position:absolute;left:-50%;right:-50%;bottom:-8%;height:58%;z-index:0;transform:perspective(600px) rotateX(64deg);transform-origin:bottom;background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:64px 64px;mask-image:linear-gradient(to top,#000 0%,transparent 85%);-webkit-mask-image:linear-gradient(to top,#000 0%,transparent 85%);animation:floor 7s linear infinite}
@keyframes floor{to{background-position:0 64px}}
.hero .wrap{position:relative;z-index:2;width:100%;min-width:0}
.kicker{max-width:100%;white-space:normal}
.kicker{display:inline-flex;align-items:center;gap:10px;font:500 11.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--mute);padding:8px 14px 8px 10px;border:1px solid var(--line-2);border-radius:99px;background:rgba(18,13,14,.5);backdrop-filter:blur(6px)}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--ember);box-shadow:0 0 0 0 rgba(255,106,77,.6);animation:pulse 2.2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(255,106,77,0)}100%{box-shadow:0 0 0 0 rgba(255,106,77,0)}}
h1{font:400 clamp(46px,8.6vw,124px)/.95 var(--serif);letter-spacing:-.025em;margin:28px 0 0;max-width:12ch}
h1 em{font-style:italic;background:linear-gradient(100deg,#fff 0%,#ffb3a6 35%,var(--crimson) 75%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-right:.08em}
.lede{max-width:560px;color:var(--mute);font-size:clamp(16px,1.6vw,18.5px);margin:30px 0 40px}
.lede b{color:var(--text);font-weight:500}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-meta{position:absolute;z-index:2;right:var(--gut);bottom:44px;display:grid;gap:10px;font:400 11px/1.4 var(--mono);color:var(--dim);text-align:right;letter-spacing:.06em}
.hero-meta span b{color:var(--mute);font-weight:500}
@media (max-width:760px){.hero-meta{display:none}}
.scrollcue{position:absolute;z-index:2;left:var(--gut);bottom:40px;width:1px;height:56px;background:linear-gradient(var(--line-2),transparent);overflow:hidden}
.scrollcue::after{content:"";position:absolute;left:0;top:-30%;width:1px;height:30%;background:var(--ember);animation:cue 2.4s ease-in-out infinite}
@keyframes cue{to{top:110%}}

/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity 1s cubic-bezier(.2,.7,.1,1),transform 1s cubic-bezier(.2,.7,.1,1)}
.rv.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}.d4{transition-delay:.32s}

/* ---------- marquee ---------- */
.ticker{border-block:1px solid var(--line);background:rgba(18,13,14,.55);backdrop-filter:blur(6px);overflow:hidden;position:relative;z-index:2}
.ticker div{display:flex;gap:46px;width:max-content;padding-block:18px;animation:tick 48s linear infinite;font:400 12.5px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
.ticker span::before{content:"◆";color:var(--crimson);margin-right:46px;font-size:8px;vertical-align:2px}
@keyframes tick{to{transform:translateX(-50%)}}

/* ---------- section umum ---------- */
section.block{padding-block:clamp(90px,13vw,170px)}
.label{font:500 11.5px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ember);display:flex;align-items:center;gap:12px}
.label::before{content:"";width:28px;height:1px;background:currentColor}
h2{font:400 clamp(36px,5.4vw,72px)/1.02 var(--serif);letter-spacing:-.02em;margin:22px 0 0;max-width:16ch}
h2 em{font-style:italic;color:#ffb3a6}
.sub{color:var(--mute);max-width:580px;margin-top:22px}

/* ---------- capabilities ---------- */
.caps{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;margin-top:70px}
.cap{grid-column:span 6;position:relative;border-radius:22px;padding:34px 32px 30px;background:linear-gradient(180deg,rgba(26,19,20,.82),rgba(14,10,11,.82));border:1px solid var(--line);overflow:hidden;transform-style:preserve-3d;transition:border-color .4s,transform .5s cubic-bezier(.2,.7,.1,1);min-height:330px;display:flex;flex-direction:column}
.cap:nth-child(1){grid-column:span 7}.cap:nth-child(2){grid-column:span 5}.cap:nth-child(3){grid-column:span 5}.cap:nth-child(4){grid-column:span 7}
.cap::before{content:"";position:absolute;inset:0;background:radial-gradient(420px circle at var(--mx,50%) var(--my,0%),rgba(192,32,47,.22),transparent 60%);opacity:0;transition:opacity .4s}
.cap:hover{border-color:var(--line-2)}
.cap:hover::before{opacity:1}
.cap .num{font:400 11px/1 var(--mono);color:var(--dim);letter-spacing:.12em;display:flex;justify-content:space-between;align-items:center}
.cap .glyph{width:46px;height:46px;margin:30px 0 26px;color:var(--text)}
.cap h3{font:400 clamp(28px,2.8vw,38px)/1.05 var(--serif);margin:0;letter-spacing:-.01em}
.cap p{color:var(--mute);margin:14px 0 0;font-size:15px;max-width:46ch}
.cap ul{list-style:none;padding:0;margin:auto 0 0;padding-top:26px;display:flex;flex-wrap:wrap;gap:8px}
.cap li{font:400 11.5px/1 var(--mono);color:var(--mute);border:1px solid var(--line);border-radius:99px;padding:8px 11px;background:rgba(11,8,9,.4)}
.cap.sec{background:linear-gradient(160deg,rgba(60,8,15,.6),rgba(14,10,11,.9) 55%)}
.cap.sec .num b{color:var(--ember);font-weight:500}
@media (max-width:860px){.cap,.cap:nth-child(n){grid-column:span 12;min-height:0}}

/* ---------- arsitektur ---------- */
.arch{display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:center}
@media (max-width:960px){.arch{grid-template-columns:1fr}}
.steps{list-style:none;padding:0;margin:40px 0 0;counter-reset:s}
.steps li{counter-increment:s;padding:20px 0 20px 54px;border-top:1px solid var(--line);position:relative;color:var(--mute);font-size:15px}
.steps li::before{content:"0" counter(s);position:absolute;left:0;top:22px;font:400 12px/1 var(--mono);color:var(--crimson)}
.steps b{display:block;color:var(--text);font-weight:500;margin-bottom:4px}
.diagram-box{overflow-x:auto;border-radius:24px;border:1px solid var(--line);background:radial-gradient(ellipse at 50% 0%,rgba(192,32,47,.12),transparent 60%),rgba(14,10,11,.7);padding:22px}
.diagram{width:100%;min-width:560px;height:auto;display:block}
.diagram .box{fill:rgba(26,19,20,.9);stroke:rgba(255,236,232,.16)}
.diagram .box.hot{stroke:rgba(192,32,47,.8)}
.diagram text{font-family:var(--mono);fill:#a3979a;font-size:11px;letter-spacing:.06em}
.diagram text.t{font-family:var(--sans);fill:#efe7e4;font-size:14px;font-weight:500;letter-spacing:0}
.diagram .wire{fill:none;stroke:rgba(255,236,232,.14);stroke-width:1.2}
.diagram .flow{fill:none;stroke:url(#gw);stroke-width:2;stroke-dasharray:6 160;animation:flow 3.2s linear infinite}
.diagram .flow.b{animation-delay:-1.1s}.diagram .flow.c{animation-delay:-2.2s}
@keyframes flow{to{stroke-dashoffset:-166}}

/* ---------- security ---------- */
.secwrap{position:relative;border-radius:32px;border:1px solid var(--line);overflow:hidden;padding:clamp(34px,6vw,80px);background:linear-gradient(180deg,rgba(18,13,14,.92),rgba(11,8,9,.92))}
.secwrap::before{content:"";position:absolute;inset:-1px;background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(255,236,232,.018) 3px 4px);pointer-events:none}
.secwrap .scan{position:absolute;left:0;right:0;height:140px;top:-140px;background:linear-gradient(to bottom,transparent,rgba(192,32,47,.08),transparent);animation:scan 7s linear infinite;pointer-events:none}
@keyframes scan{to{top:100%}}
.principles{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;margin-top:56px;position:relative}
.principles div{background:var(--ink-2);padding:28px 24px}
.principles code{font:400 11px/1 var(--mono);color:var(--ember);letter-spacing:.1em}
.principles h4{font:400 24px/1.1 var(--serif);margin:16px 0 10px}
.principles p{margin:0;font-size:14px;color:var(--mute)}
@media (max-width:960px){.principles{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.principles{grid-template-columns:1fr}}
.terminal{margin-top:34px;font:400 13px/1.8 var(--mono);color:var(--mute);background:rgba(0,0,0,.35);border:1px solid var(--line);border-radius:14px;padding:18px 20px;overflow-x:auto;white-space:pre;position:relative}
.terminal .p{color:var(--crimson)}.terminal .k{color:var(--silver)}.terminal .c{color:var(--dim)}
.caret{display:inline-block;width:8px;height:15px;background:var(--ember);vertical-align:-2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* ---------- sektor ---------- */
.sectors{display:grid;grid-template-columns:repeat(4,1fr);margin-top:60px;border-top:1px solid var(--line)}
.sectors div{padding:30px 22px 34px 0;border-bottom:1px solid var(--line)}
.sectors div+div{padding-left:22px;border-left:1px solid var(--line)}
.sectors > div > span{font:400 11px/1 var(--mono);color:var(--dim);letter-spacing:.12em}
.sectors h4{font:400 28px/1.1 var(--serif);margin:16px 0 10px}
.sectors p{margin:0;color:var(--mute);font-size:14.5px}
@media (max-width:860px){.sectors{grid-template-columns:1fr 1fr}.sectors div:nth-child(3){padding-left:0;border-left:0}}
@media (max-width:520px){.sectors{grid-template-columns:1fr}.sectors div,.sectors div+div{padding-left:0;border-left:0}}

/* ---------- kontak ---------- */
.contact{display:grid;grid-template-columns:7fr 5fr;gap:50px;align-items:end}
@media (max-width:900px){.contact{grid-template-columns:1fr}}
.big{font:400 clamp(48px,9vw,132px)/.92 var(--serif);letter-spacing:-.03em;margin:22px 0 0}
.big em{font-style:italic;color:var(--crimson)}
.card{border:1px solid var(--line-2);border-radius:22px;padding:30px;background:rgba(18,13,14,.75);backdrop-filter:blur(10px)}
.card dl{margin:0;display:grid;gap:18px}
.card dt{font:400 10.5px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--dim);margin-bottom:6px}
.card dd{margin:0;font-size:16px}
.card dd a{text-decoration:none;border-bottom:1px solid rgba(192,32,47,.6)}
.card dd a:hover{color:#ffb3a6}

footer{border-top:1px solid var(--line);padding-block:30px calc(30px + env(safe-area-inset-bottom,0px))}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font:400 12px/1.6 var(--mono);color:var(--dim)}
footer a{color:var(--mute);text-decoration:none}
footer a:hover{color:var(--text)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}