/* Avatar Chat AI — halaman depan (produk) */
:root{
  --green:#25D366;--dark:#075E54;--teal:#128C7E;--ink:#0F172A;--muted:#5B6B7B;
  --line:#E6EDF3;--bg:#F6FBF8;
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.6;
}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 22px}
h1,h2,h3{line-height:1.22;margin:0}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:66px;gap:20px}
.brand{font-weight:800;font-size:19px;display:flex;align-items:center;gap:8px;color:var(--dark)}
.brand span{color:var(--green)}
.brand .logo{font-size:22px}
.links{display:flex;align-items:center;gap:22px;font-size:14.5px;color:var(--muted)}
.links a:hover{color:var(--dark)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 20px;
  font-weight:600;font-size:14.5px;border:1px solid transparent;cursor:pointer;font-family:inherit;transition:.16s;
}
.btn.primary{background:linear-gradient(135deg,#25D366,#0FA968);color:#fff;box-shadow:0 10px 24px rgba(37,211,102,.32)}
.btn.primary:hover{transform:translateY(-1px)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--dark)}
.btn.ghost:hover{border-color:#bfe6d0}
.links .btn{padding:9px 16px;font-size:13.5px}

/* hero */
.hero{padding:64px 0 40px;background:
  radial-gradient(900px 420px at 12% -10%, rgba(37,211,102,.18), transparent 60%),
  radial-gradient(760px 420px at 90% 0%, rgba(18,140,126,.14), transparent 62%);}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.pill{display:inline-block;background:#fff;border:1px solid #d9f0e3;color:var(--teal);font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:999px;margin-bottom:18px}
.hero h1{font-size:44px;letter-spacing:-.6px}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero p{color:var(--muted);font-size:16.5px;margin:16px 0 24px;max-width:560px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.hero-note{margin-top:14px;font-size:13px;color:#8394a3}

.mock{background:#fff;border-radius:20px;box-shadow:0 24px 60px rgba(15,23,42,.14);overflow:hidden;border:1px solid var(--line)}
.mock-head{background:var(--dark);color:#fff;padding:13px 16px;display:flex;align-items:center;gap:11px}
.mock-av{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.mock-head b{display:block;font-size:14.5px}
.mock-head small{font-size:11.5px;opacity:.85}
.mock-body{padding:16px;background:#EFEAE3;display:flex;flex-direction:column;gap:9px}
.m{max-width:84%;padding:8px 11px;border-radius:11px;font-size:13.6px;box-shadow:0 1px 1px rgba(0,0,0,.08)}
.m.in{background:#fff;border-top-left-radius:3px}
.m.out{background:#D9FDD3;align-self:flex-end;border-top-right-radius:3px}

/* seksi */
.sec{padding:64px 0}
.sec.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec h2{font-size:32px;letter-spacing:-.4px;text-align:center}
.sub{text-align:center;color:var(--muted);margin:12px auto 38px;max-width:600px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 2px 10px rgba(15,23,42,.04)}
.card .ic{font-size:24px;display:block;margin-bottom:10px}
.card h3{font-size:16.5px;margin-bottom:7px}
.card p{margin:0;color:var(--muted);font-size:14px}
.card code{background:#F1F7F4;padding:1px 6px;border-radius:6px;font-size:13px;color:var(--teal)}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:34px}
.step{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.step .n{width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:12px}
.step h3{font-size:16.5px;margin-bottom:6px}
.step p{margin:0;color:var(--muted);font-size:14px}
.codebox{background:#0B1F1A;border-radius:16px;overflow:hidden;box-shadow:0 16px 40px rgba(11,31,26,.24)}
.codebar{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;background:rgba(255,255,255,.06);color:#9fd8c0;font-size:12.5px}
.codebar button{background:var(--green);color:#fff;border:0;border-radius:8px;padding:6px 12px;font-size:12.5px;font-weight:600;cursor:pointer;font-family:inherit}
.codebox pre{margin:0;padding:18px;color:#dff5ea;font-size:13.4px;overflow-x:auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.price{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px}
.pcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px}
.pcard.hot{border-color:var(--green);box-shadow:0 18px 44px rgba(37,211,102,.18)}
.pcard .tag{position:absolute;top:-12px;left:26px;background:var(--green);color:#fff;font-size:11.5px;font-weight:700;padding:4px 12px;border-radius:999px}
.pcard h3{margin-bottom:8px;font-size:17px}
.pnum{font-size:30px;font-weight:800;margin-bottom:14px}
.pnum span{font-size:14px;font-weight:500;color:var(--muted)}
.pcard ul{list-style:none;padding:0;margin:0 0 20px;color:var(--muted);font-size:14px}
.pcard li{padding:6px 0 6px 24px;position:relative}
.pcard li:before{content:"✓";position:absolute;left:0;color:var(--green);font-weight:700}

.foot{background:#fff;border-top:1px solid var(--line);padding:26px 0;margin-top:20px}
.foot-in{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13.5px}
.foot-links{display:flex;gap:18px}
.foot-links a:hover{color:var(--dark)}

@media(max-width:900px){
  .hero-in{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:34px}
  .links{display:none}
  .sec h2{font-size:26px}
}