:root{--red:#c62828;--red-d:#8e1c1c;--red-l:#e35353;--rose:#fef2f2;--ink:#1a1a1a;--mut:#6b6b6b;--paper:#faf6f6;--line:#efe6e6;--green:#1f8a4c;--ease:cubic-bezier(.22,1,.36,1);--ff:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;font-family:var(--ff);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;background:radial-gradient(520px 360px at 0 0,#f7d4d4,transparent 70%),radial-gradient(480px 360px at 100% 100%,#fbe0d6,transparent 70%),var(--paper);background-repeat:no-repeat;background-attachment:fixed}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--red-l);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-999px;top:8px;background:var(--red);color:#fff;padding:8px 14px;z-index:99;border-radius:99px}
.skip:focus{left:8px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}
.narrow{width:min(760px,100% - 40px)}
h1,h2,h3{line-height:1.15;margin:0 0 .6em;font-weight:800;letter-spacing:-.015em}
h1{font-size:clamp(2rem,4.8vw,3.2rem)}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:1.08rem}
p{margin:0 0 1em;max-width:62ch}

/* navbar */
.nav{position:fixed;inset:0 0 auto;z-index:50;background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.nav.sc{box-shadow:0 8px 24px rgba(142,28,28,.1)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;gap:10px;align-items:center;text-decoration:none}
.brand img{width:44px;height:44px;object-fit:contain}
.brand span{display:flex;flex-direction:column;line-height:1.15}
.brand b{font-size:.98rem;font-weight:800;letter-spacing:.3px}
.brand b em{color:var(--red);font-style:normal}
.brand small{font-size:.7rem;color:var(--mut)}
.menu{display:flex;gap:4px;align-items:center}
.menu a{color:#444;text-decoration:none;font-size:.9rem;font-weight:600;padding:8px 12px;border-radius:99px;transition:color .25s,background .25s}
.menu a:hover,.menu a.act{color:var(--red);background:var(--rose)}
.menu a.btn{color:#fff;margin-left:6px;background:var(--red)}
.menu a.btn:hover{background:var(--red-d);color:#fff}
.burger{display:none;background:none;border:0;padding:10px;cursor:pointer}
.burger i{display:block;width:24px;height:2.5px;background:var(--ink);border-radius:2px;margin:5px 0;transition:transform .35s var(--ease),opacity .2s}
.burger[aria-expanded=true] i:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger[aria-expanded=true] i:nth-child(2){opacity:0}
.burger[aria-expanded=true] i:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* tombol */
.btn{display:inline-block;background:var(--red);color:#fff;text-decoration:none;font-weight:700;padding:12px 26px;border-radius:99px;border:0;cursor:pointer;transition:background .25s,transform .25s var(--ease),box-shadow .25s}
.btn-sm{padding:9px 20px;font-size:.88rem}
.btn-ghost{background:rgba(255,255,255,.12);box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.55)}
.btn-light{background:#fff;color:var(--red-d)}
@media(hover:hover){.btn:hover{background:var(--red-d);transform:translateY(-2px);box-shadow:0 10px 20px rgba(142,28,28,.25)}.btn-ghost:hover{background:rgba(255,255,255,.22)}.btn-light:hover{background:var(--rose);color:var(--red-d)}}

/* hero */
.hero{padding:92px 0 28px}
.hero-card{position:relative;overflow:hidden;color:#fff;border-radius:24px;padding:clamp(28px,5vw,56px);background:linear-gradient(120deg,var(--red-d),var(--red) 55%,var(--red-l));box-shadow:0 20px 48px rgba(142,28,28,.18)}
#net{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-in{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.tag{display:inline-flex;align-items:center;gap:10px;font-size:.78rem;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;color:#fde8e8;background:rgba(255,255,255,.14);padding:6px 14px 6px 10px;border-radius:99px;margin-bottom:18px}
.dot{width:8px;height:8px;border-radius:50%;background:#7dffb0;animation:pulse 2.4s ease-out infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(125,255,176,.6)}70%,100%{box-shadow:0 0 0 9px rgba(125,255,176,0)}}
.lead{font-size:1.05rem;color:#fbe4e4}
.cta{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 28px}
.term{width:min(430px,100%);background:rgba(32,10,12,.72);border-radius:14px;overflow:hidden;font-family:ui-monospace,Consolas,Menlo,monospace}
.term-bar{display:flex;align-items:center;gap:6px;padding:8px 12px;background:rgba(255,255,255,.08);font-size:.7rem;color:#d9b8b8}
.term-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.3)}
.term-bar span{margin-left:auto}
.term pre{margin:0;padding:12px 14px;box-sizing:border-box;height:calc(7 * 1.6em + 24px);overflow:hidden;font-size:.78rem;line-height:1.6;color:#b9f5d0;white-space:pre}
.term pre b{color:#ffd37a;font-weight:400}
.hero-fig{position:relative;margin:0}
.hero-fig>img:first-child{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px;border:4px solid #fff;box-shadow:0 14px 32px rgba(0,0,0,.25)}
.hero-logo{position:absolute;left:-10px;bottom:-18px;width:78px;height:auto;background:#fff;padding:9px 11px;border-radius:14px;box-shadow:0 10px 22px rgba(0,0,0,.2);animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes rise{from{opacity:0;transform:translateY(18px)}}
@keyframes pop{from{opacity:0;transform:scale(.94)}}
.hero-txt>*{animation:rise .8s var(--ease) backwards}
.hero-txt>:nth-child(2){animation-delay:.08s}.hero-txt>:nth-child(3){animation-delay:.16s}.hero-txt>:nth-child(4){animation-delay:.24s}.hero-txt>:nth-child(5){animation-delay:.32s}
.hero-fig>img:first-child{animation:pop .9s var(--ease) .15s backwards}

/* ticker */
.ticker{overflow:hidden;white-space:nowrap;margin:14px 0 0;padding:14px 0;-webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.ticker-in{display:inline-flex;animation:tick 40s linear infinite;will-change:transform}
.ticker span{padding:0 22px;font-weight:700;font-size:.9rem;color:var(--red);position:relative}
.ticker span::after{content:"";position:absolute;right:-3px;top:50%;width:6px;height:6px;border-radius:50%;background:var(--red-l);transform:translateY(-50%)}
@keyframes tick{to{transform:translate3d(-50%,0,0)}}

/* seksi */
.sec{padding:clamp(52px,8vw,96px) 0;content-visibility:auto;contain-intrinsic-size:auto 620px}
.sec.soft{background:#fff;border-block:1px solid var(--line)}
.sec.tint{background:var(--rose)}
.head{margin-bottom:34px}
.head h2::after{content:"";display:block;width:48px;height:4px;border-radius:4px;background:var(--red);margin-top:12px}
.head p{color:var(--mut)}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,6vw,72px);align-items:center}
.grid2 p{color:var(--mut)}
.pic{margin:0}
.pic img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:24px;border:1px solid var(--line);box-shadow:0 20px 48px rgba(142,28,28,.14)}
.checks{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:10px}
.checks li{padding-left:30px;position:relative;font-weight:600}
.checks li::before{content:"";position:absolute;left:0;top:.3em;width:18px;height:18px;border-radius:50%;background:var(--rose) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.4l2.6 2.6L13 6.6' fill='none' stroke='%23c62828' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/100% no-repeat;border:1px solid #f6d6d6}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(285px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 10px 28px rgba(142,28,28,.07)}
.card svg{width:46px;height:46px;padding:10px;border-radius:14px;background:var(--rose);fill:none;stroke:var(--red);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-bottom:14px}
.card p{color:var(--mut);margin:0;font-size:.95rem}
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bento figure{margin:0;position:relative;overflow:hidden;border-radius:20px;aspect-ratio:16/10;background:var(--rose);box-shadow:0 10px 28px rgba(142,28,28,.1)}
.bento img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.bento figcaption{position:absolute;left:0;bottom:0;right:0;padding:42px 18px 14px;color:#fff;font-weight:700;font-size:.95rem;background:linear-gradient(transparent,rgba(90,14,14,.85))}

/* simulasi */
.sims{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.sim{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;box-shadow:0 14px 34px rgba(142,28,28,.09)}
.sim-vis{position:relative;aspect-ratio:16/10;background:linear-gradient(160deg,#fff7f7,#fde9e9);display:grid;place-items:center}
.sim-vis svg{width:100%;height:100%}
.sim-txt{padding:18px 22px 22px}
.sim-txt h3{margin-bottom:6px;color:var(--red-d)}
.sim-txt p{margin:0;color:var(--mut);font-size:.94rem}
.sim .t{font:600 9px var(--ff);fill:#5a3a3a}
.sim .t.bad{fill:var(--red)}.sim .t.ok{fill:var(--green)}
.sim .ln path{fill:none;stroke:#dba9a9;stroke-width:1.6;stroke-dasharray:4 4;animation:dash 1.6s linear infinite}
@keyframes dash{to{stroke-dashoffset:-16}}
.sim .nd{fill:#fff;stroke:#e2b4b4;stroke-width:1.2}
.sim .nd.rd{stroke:var(--red);fill:#fde3e3}
.sim .ring{fill:none;stroke:var(--red);stroke-width:1.5}
.sim .pk circle{fill:var(--red)}.sim .pk .h{fill:var(--red);opacity:.22}
.sim .pk.g circle{fill:var(--green)}
.sim .vpc{fill:rgba(198,40,40,.03);stroke:#dba9a9;stroke-width:1.2;stroke-dasharray:5 4}
.sim .ec{animation:glow 2.6s ease-in-out infinite}.sim .ec.b{animation-delay:1.3s}
@keyframes glow{50%{fill:#fde3e3;stroke:var(--red)}}
.sim .shield{fill:rgba(31,138,76,.1);stroke:var(--green);stroke-width:2.4}
.cyb{background:linear-gradient(rgba(31,138,76,.06) 1px,transparent 1px) 0 0/100% 20px,linear-gradient(90deg,rgba(31,138,76,.06) 1px,transparent 1px) 0 0/20px 100%,linear-gradient(160deg,#f6fff9,#e8f7ee)}
.lxbox{background:#241618;place-items:center start;padding:16px 18px;overflow:hidden}
.lx{font-family:ui-monospace,Consolas,Menlo,monospace;font-size:.72rem;line-height:1.75;color:#e6d6d6;width:100%;transition:opacity .6s ease}
.lx.fade{opacity:0}
.lx span{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:0;transform:translateX(-8px);transition:opacity .45s ease,transform .6s var(--ease)}
.lx span.on{opacity:1;transform:none}
.lx u{text-decoration:none;color:#7ee6a6}.lx b{color:#ffd37a;font-weight:400}
.bar{display:inline-block;width:90px;height:8px;border:1px solid #8a6a6a;border-radius:4px;vertical-align:middle;position:relative;overflow:hidden}
.bar::after{content:"";position:absolute;inset:0;background:#ffd37a;transform:scaleX(0);transform-origin:left;transition:transform 1.4s cubic-bezier(.4,0,.2,1)}
.on .bar::after{transform:none}
.cur{display:inline-block;width:7px;height:13px;background:#7ee6a6;vertical-align:middle;animation:blink 1.1s ease-in-out infinite}
@keyframes blink{50%{opacity:0}}
.sim.off *{animation-play-state:paused!important}

/* alur */
.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:0;margin:0;position:relative}
.steps li{position:relative;padding-top:76px}
.steps li:nth-child(2){--ld:1.5s;--cd:1.4s}
.steps li:nth-child(3){--cd:2.4s}
.steps li:nth-child(1){--ld:.5s;--cd:.1s}
.n{position:absolute;top:0;left:0;width:60px;height:60px;display:grid;place-items:center;border-radius:50%;background:#fff;color:var(--red);border:4px solid var(--red);font-weight:800;font-size:1.05rem;z-index:1;transition:background .5s ease var(--cd,0s),color .5s ease var(--cd,0s)}
.steps.in .n{background:var(--red);color:#fff;animation:bump .6s var(--ease) var(--cd,0s) backwards}
@keyframes bump{0%{transform:scale(.8)}60%{transform:scale(1.08)}100%{transform:none}}
/* garis penghubung: dari tepi satu lingkaran ke tepi lingkaran berikutnya */
.steps li:not(:last-child)::before,.steps li:not(:last-child)::after{content:"";position:absolute;top:28px;left:74px;width:calc(100% + 26px - 90px);height:4px;border-radius:4px}
.steps li:not(:last-child)::before{background:#f0cfcf}
.steps li:not(:last-child)::after{background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .9s cubic-bezier(.45,0,.2,1) var(--ld,0s)}
.steps.in li:not(:last-child)::after{transform:none}
.steps p{color:var(--mut)}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.chips span{background:var(--rose);color:var(--red);border:1px solid #f6d6d6;padding:8px 16px;border-radius:99px;font-weight:700;font-size:.85rem;transition:transform .3s var(--ease),box-shadow .3s}
@media(hover:hover){.chips span:hover{transform:translateY(-3px);box-shadow:0 8px 18px rgba(198,40,40,.18)}.card{transition:transform .35s var(--ease),box-shadow .35s}.card:hover{transform:translateY(-5px);box-shadow:0 18px 36px rgba(142,28,28,.14)}.bento figure:hover img{transform:scale(1.05)}}
details{background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:12px;overflow:hidden;transition:box-shadow .3s}
details[open]{box-shadow:0 10px 24px rgba(142,28,28,.08)}
summary{cursor:pointer;list-style:none;padding:17px 54px 17px 22px;font-weight:700;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:1.5rem;line-height:1;color:var(--red);transition:transform .4s var(--ease)}
details[open] summary::after{transform:translateY(-50%) rotate(135deg)}
details p{padding:0 22px 18px;margin:0;color:var(--mut);animation:rise .45s var(--ease)}
.cta-band{background:linear-gradient(120deg,var(--red-d),var(--red) 60%,var(--red-l));color:#fff;padding:56px 0}
.cta-in{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-in p{margin:0;color:#fde8e8}
.foot{background:#fff;border-top:1px solid var(--line);color:var(--mut);padding:40px 0 18px}
.foot-in{display:flex;justify-content:space-between;gap:28px;flex-wrap:wrap}
.foot-brand{display:flex;gap:12px;align-items:center}
.foot-brand img{width:44px;height:44px;object-fit:contain}
.foot-brand b{color:var(--ink)}
.foot-brand p{margin:3px 0 0;font-size:.86rem}
.foot nav{display:flex;gap:20px;flex-wrap:wrap}
.foot nav a{text-decoration:none;font-weight:600;font-size:.9rem;transition:color .2s}.foot nav a:hover{color:var(--red)}
.copy{text-align:center;font-size:.8rem;margin:28px 0 0;max-width:none;border-top:1px solid var(--line);padding-top:16px}

/* muncul saat discroll: hanya opacity dan transform */
.js .rv{opacity:0}
.js .rv.in{opacity:1;animation:rise .85s var(--ease) var(--d,0s) backwards}

@media(max-width:900px){
  .burger{display:block}
  .menu{position:fixed;inset:68px 0 auto;flex-direction:column;align-items:stretch;background:#fff;padding:12px 20px 20px;gap:2px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(142,28,28,.1);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .25s,transform .35s var(--ease),visibility 0s .35s}
  .menu.open{opacity:1;visibility:visible;transform:none;transition:opacity .25s,transform .35s var(--ease)}
  .menu a{padding:12px 14px}.menu a.btn{margin:8px 0 0;text-align:center}
  .hero{padding-top:84px}
  .hero-in,.grid2{grid-template-columns:1fr}
  .hero-fig{order:-1;max-width:520px}
  .rev .pic{order:-1}
  .bento,.sims{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:30px}
  .steps li:not(:last-child)::before,.steps li:not(:last-child)::after{top:68px;left:28px;width:4px;height:calc(100% - 46px)}
  .steps li:not(:last-child)::after{transform:scaleY(0);transform-origin:top}
  .steps.in li:not(:last-child)::after{transform:none}
  .steps li{padding:6px 0 0 78px;min-height:60px}
}
@media(max-width:600px){
  .wrap{width:calc(100% - 28px)}
  .hero-card{border-radius:20px}
  .hero-logo{width:60px;left:-6px}
  .term{display:none}
  .brand small{display:none}
  .cta .btn{flex:1;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .rv{opacity:1}
  .steps li::after{transform:none!important}
  .n{background:var(--red);color:#fff}
}