:root{
  --bg:#0a0b0d;
  --bg-2:#101216;
  --surface:#14171c;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.14);
  --ink:#f2f4f7;
  --muted:#9aa3af;
  --muted-2:#6f7885;
  --accent:#7ef0c0;
  --accent-dim:rgba(126,240,192,.12);
  --radius:16px;
  --maxw:1140px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}

/* ---------- NAV ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(10,11,13,.78);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:32px;height:68px}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:600;font-size:16px;letter-spacing:-.01em;
}
.brand-mark{
  width:22px;height:22px;border-radius:7px;
  background:linear-gradient(135deg,var(--accent),#4bb894);
  box-shadow:0 0 18px rgba(126,240,192,.35);
  position:relative;flex-shrink:0;
}
.brand-mark::after{content:'';position:absolute;inset:6px;border-radius:3px;background:var(--bg)}
.nav-links{display:flex;gap:26px;margin-left:auto;font-size:14.5px;color:var(--muted)}
.nav-links a{transition:color .18s}
.nav-links a:hover{color:var(--ink)}
.nav .btn-sm{margin-left:8px}

/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#04110c;
  font-weight:600;font-size:15px;
  padding:13px 26px;border-radius:11px;
  transition:transform .16s cubic-bezier(.3,.8,.4,1),box-shadow .2s,background .2s;
  box-shadow:0 4px 22px rgba(126,240,192,.22);
  border:none;cursor:pointer;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(126,240,192,.32)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-2);box-shadow:none}
.btn-ghost:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.26)}
.btn-full{width:100%;margin-top:auto}

/* ---------- HERO ---------- */
.hero{position:relative;padding:96px 0 76px;overflow:hidden}
.glow{
  position:absolute;top:-260px;left:50%;transform:translateX(-50%);
  width:900px;height:620px;
  background:radial-gradient(ellipse at center,rgba(126,240,192,.15),rgba(126,240,192,.05) 42%,transparent 70%);
  pointer-events:none;filter:blur(20px);
}
.hero-grid{
  position:relative;
  display:grid;grid-template-columns:1.15fr .85fr;
  gap:56px;align-items:center;
}
.eyebrow{
  font-size:12.5px;font-weight:500;letter-spacing:.11em;text-transform:uppercase;
  color:var(--accent);margin-bottom:22px;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.3rem);
  line-height:1.09;letter-spacing:-.032em;font-weight:600;
  margin-bottom:24px;
}
h1 em,h2 em{
  font-family:'Instrument Serif',Georgia,serif;
  font-style:italic;font-weight:400;
  color:var(--accent);letter-spacing:-.01em;
}
.lede{font-size:17px;color:var(--muted);max-width:56ch;line-height:1.72;margin-bottom:34px}
.hero-cta{display:flex;gap:13px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:40px;flex-wrap:wrap;
  margin-top:56px;padding-top:30px;
  border-top:1px solid var(--line);
}
.hero-meta div{display:flex;flex-direction:column;gap:3px}
.hero-meta strong{font-size:23px;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero-meta span{font-size:13.5px;color:var(--muted-2);line-height:1.45}

/* ---------- ROBOT ---------- */
.robot-col{display:flex;flex-direction:column;align-items:center;gap:18px}
.robot-box{
  position:relative;
  cursor:pointer;user-select:none;text-align:center;
  padding:34px 30px 22px;
  border-radius:22px;
  background:radial-gradient(ellipse at 50% 18%,rgba(126,240,192,.09),transparent 68%),var(--surface);
  border:1px solid var(--line);
  transition:border-color .3s,box-shadow .3s;
  width:100%;max-width:330px;
}
.robot-box:hover{border-color:rgba(126,240,192,.3);box-shadow:0 0 40px -12px rgba(126,240,192,.22)}
.robot-box:focus-visible{outline:2px solid var(--accent);outline-offset:4px}
.robot-box svg{width:190px;height:190px;display:block;margin:0 auto}

.speech-bubble{
  background:var(--accent);color:#04110c;
  padding:11px 18px;border-radius:16px;
  font-weight:600;font-size:13.5px;line-height:1.4;
  margin-bottom:14px;
  opacity:0;transform:translateY(10px) scale(.92);
  transition:all .3s cubic-bezier(.175,.885,.32,1.275);
  pointer-events:none;
  position:relative;
}
.speech-bubble::after{
  content:'';position:absolute;bottom:-6px;left:50%;transform:translateX(-50%) rotate(45deg);
  width:12px;height:12px;background:var(--accent);border-radius:2px;
}
.robot-box.alert .speech-bubble{opacity:1;transform:translateY(0) scale(1)}

@keyframes typing{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-6px)}
}
@keyframes screenGlow{
  0%,100%{opacity:.6}
  50%{opacity:1}
}
@keyframes antennaBlink{
  0%,100%{fill:#22c55e}
  50%{fill:#86efac}
}
@keyframes shake{
  0%,100%{transform:rotate(0deg)}
  25%{transform:rotate(-5deg)}
  75%{transform:rotate(5deg)}
}

.tangan-kiri{animation:typing .3s infinite ease-in-out}
.tangan-kanan{animation:typing .3s infinite ease-in-out .15s}
.skrin-cahaya{animation:screenGlow 1.5s infinite}
.lampu-antenna{animation:antennaBlink 1s infinite}

.robot-box.alert .tangan-kiri,
.robot-box.alert .tangan-kanan{
  animation:none;transform:translateY(-12px);transition:transform .2s ease;
}
.robot-box.alert .mata{
  fill:#facc15;transform:scale(1.2);transform-origin:center;transition:all .2s ease;
}
.robot-box.alert .lampu-antenna{animation:none;fill:#facc15}
.robot-box.alert svg{animation:shake .4s ease}

.status-text{margin-top:14px;font-size:12.5px;color:var(--muted-2);letter-spacing:.01em}
.robot-cta{
  font-size:14px;font-weight:500;color:var(--accent);
  border-bottom:1px solid rgba(126,240,192,.28);
  padding-bottom:2px;transition:border-color .2s,color .2s;
}
.robot-cta:hover{border-color:var(--accent)}

/* ---------- BAND ---------- */
.band{border-block:1px solid var(--line);background:var(--bg-2)}
.band-text{
  padding:34px 0;font-size:clamp(1.05rem,2.1vw,1.3rem);
  line-height:1.62;color:var(--muted);max-width:74ch;
}
.band-text strong{color:var(--ink);font-weight:600}

/* ---------- SECTIONS ---------- */
.sec{padding:92px 0}
.sec-alt{background:var(--bg-2);border-block:1px solid var(--line)}
.sec-head{margin-bottom:52px}
.sec-head h2{
  font-size:clamp(1.65rem,3.5vw,2.55rem);
  line-height:1.16;letter-spacing:-.028em;font-weight:600;
  max-width:24ch;
}
.sec-sub{color:var(--muted);margin-top:16px;max-width:60ch;font-size:16px}

/* ---------- CARDS ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px 28px 30px;
  display:flex;flex-direction:column;gap:14px;
  transition:border-color .25s,transform .25s,background .25s;
}
.card:hover{border-color:var(--line-2);transform:translateY(-3px);background:#171a20}
.num{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--accent);font-variant-numeric:tabular-nums}
.card h3{font-size:19px;font-weight:600;letter-spacing:-.015em}
.card p{font-size:15px;color:var(--muted);line-height:1.68}

/* ---------- WORKFLOW ---------- */
.workflow{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
.steps{list-style:none;counter-reset:s;display:flex;flex-direction:column;gap:14px}
.steps li{
  counter-increment:s;
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:24px 24px 24px 66px;
  position:relative;
}
.steps li::before{
  content:'0' counter(s);
  position:absolute;left:22px;top:22px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:#04110c;background:var(--accent);
  width:28px;height:28px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.steps h4{font-size:16.5px;font-weight:600;margin-bottom:7px;letter-spacing:-.012em}
.steps p{font-size:14.5px;color:var(--muted);line-height:1.65}
.steps em{color:var(--ink);font-style:italic}

/* ---------- TELEGRAM MOCKUP ---------- */
.tg-mockup{
  background:#0f172a;border-radius:18px;padding:20px;
  color:#fff;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.7);
}
.tg-header{
  display:flex;align-items:center;gap:10px;
  padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:16px;
}
.tg-avatar{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),#4bb894);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:13px;color:#04110c;
}
.tg-title{font-size:14px;font-weight:600}
.tg-status{font-size:11.5px;color:#38bdf8}
.tg-bubble-user{
  background:#2563eb;color:#fff;padding:11px 14px;
  border-radius:13px 13px 3px 13px;font-size:13px;line-height:1.55;
  margin-left:auto;max-width:88%;margin-bottom:13px;
}
.tg-bubble-bot{
  background:#1e293b;color:#dfe7f1;padding:13px 15px;
  border-radius:13px 13px 13px 3px;font-size:12.5px;line-height:1.6;
  max-width:94%;border:1px solid rgba(255,255,255,.1);
}
.tg-bubble-bot strong{color:#fff}
.tg-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}
.tg-btn{
  background:rgba(255,255,255,.1);color:#fff;text-align:center;
  padding:9px;border-radius:7px;font-size:11.5px;font-weight:600;
}
.tg-btn.approve{background:#16a34a}

/* ---------- COMPARISON ---------- */
.comp-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);
}
.comp{width:100%;border-collapse:collapse;text-align:left;min-width:680px}
.comp th,.comp td{padding:16px 20px;border-bottom:1px solid var(--line);font-size:14.5px}
.comp th{
  background:rgba(255,255,255,.035);font-weight:600;color:var(--ink);
  font-size:13px;letter-spacing:.02em;
}
.comp td{color:var(--muted)}
.comp td strong{color:var(--ink);font-weight:600}
.comp tr:last-child td{border-bottom:none}
.comp .hl{
  background:rgba(126,240,192,.06);
  border-left:1px solid rgba(126,240,192,.25);
  border-right:1px solid rgba(126,240,192,.25);
  color:var(--accent);font-weight:600;
}

/* ---------- PRICING ---------- */
.price-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:820px}
.plan{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:32px 28px 28px;
  display:flex;flex-direction:column;gap:12px;
  transition:border-color .25s;
}
.plan:hover{border-color:var(--line-2)}
.plan-feat{
  border-color:rgba(126,240,192,.34);
  background:linear-gradient(180deg,rgba(126,240,192,.055),var(--surface) 42%);
  box-shadow:0 0 0 1px rgba(126,240,192,.08),0 20px 50px -20px rgba(126,240,192,.18);
}
.tag{
  position:absolute;top:-11px;left:28px;
  font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  background:var(--accent);color:#04110c;
  padding:4px 11px;border-radius:6px;
}
.plan h3{font-size:13px;font-weight:600;letter-spacing:.13em;color:var(--muted);text-transform:uppercase}
.plan-for{font-size:14.5px;color:var(--muted);line-height:1.55;min-height:44px}
.amount{
  font-size:44px;font-weight:600;letter-spacing:-.035em;
  display:flex;align-items:baseline;gap:4px;
  font-variant-numeric:tabular-nums;margin-top:4px;
}
.amount span{font-size:20px;font-weight:500;color:var(--muted)}
.amount small{font-size:13px;font-weight:500;color:var(--muted-2);margin-left:4px;letter-spacing:0}
.monthly{
  font-size:14px;font-weight:500;color:var(--ink);
  padding-bottom:20px;border-bottom:1px solid var(--line);
}
.ticks{list-style:none;display:flex;flex-direction:column;gap:9px;margin:6px 0 24px;flex:1}
.ticks li{font-size:14px;color:var(--muted);padding-left:22px;position:relative;line-height:1.5}
.ticks li strong{color:var(--ink);font-weight:600}
.ticks li::before{
  content:'';position:absolute;left:0;top:7px;
  width:12px;height:12px;border-radius:50%;
  background:var(--accent-dim);box-shadow:inset 0 0 0 1px rgba(126,240,192,.4);
}
.ticks li::after{
  content:'';position:absolute;left:4.5px;top:9.5px;
  width:3px;height:6px;
  border-right:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);
  transform:rotate(38deg);
}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{
  font-size:16.5px;font-weight:500;cursor:pointer;
  list-style:none;position:relative;padding-right:36px;
  transition:color .18s;overflow-wrap:anywhere;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'+';font-size:20px;font-weight:300;color:var(--muted-2);
  position:absolute;right:0;top:-2px;line-height:1;transition:transform .2s,color .2s;
}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.faq summary:hover{color:var(--accent)}
.faq details p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.72;max-width:74ch}

/* ---------- CTA ---------- */
.cta-sec{background:var(--bg-2);border-top:1px solid var(--line)}
.cta-wrap{text-align:center;max-width:720px}
.cta-wrap h2{
  font-size:clamp(1.7rem,3.8vw,2.5rem);
  line-height:1.14;letter-spacing:-.03em;font-weight:600;margin-bottom:20px;
}
.cta-wrap p{color:var(--muted);font-size:16.5px;line-height:1.72;margin-bottom:34px}
.cta-wrap .hero-cta{justify-content:center}

/* ---------- FOOTER ---------- */
.foot{border-top:1px solid var(--line);padding:52px 0 44px;background:var(--bg)}
.foot-in{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:start}
.brand-foot{font-size:15px}
.foot-sub{font-size:13.5px;color:var(--muted-2);margin-top:10px}
.foot-links{display:flex;gap:24px;font-size:14px;color:var(--muted)}
.foot-links a:hover{color:var(--ink)}
.foot-copy{grid-column:1/-1;font-size:13px;color:var(--muted-2);padding-top:26px;border-top:1px solid var(--line)}

/* ---------- REVEAL ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .55s cubic-bezier(.2,.7,.3,1),transform .55s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .btn:hover,.card:hover{transform:none}
  .tangan-kiri,.tangan-kanan,.skrin-cahaya,.lampu-antenna{animation:none}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .robot-col{order:-1}
  .robot-box{max-width:300px;margin:0 auto}
  .workflow{grid-template-columns:1fr;gap:26px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .grid-3{grid-template-columns:1fr}
  .hero{padding:64px 0 56px}
  .sec{padding:68px 0}
  .foot-in{grid-template-columns:1fr}
  .foot-links{flex-wrap:wrap;gap:18px}
  .price-grid{grid-template-columns:1fr;max-width:none}
  .plan-feat{order:-1}
}
@media (max-width:520px){
  .nav-in{height:60px;gap:16px}
  .wrap{padding:0 18px}
  .hero-cta .btn{width:100%}
  .hero-meta{gap:24px;margin-top:40px}
  .hero-meta strong{font-size:20px}
  .amount{font-size:38px}
  .comp th,.comp td{padding:13px 14px;font-size:13.5px}
}