:root {
  --teal: #0f766e; --teal-d: #115e59; --teal-l: #ccfbf1;
  --ink: #0f172a; --muted: #475569; --line: #e2e8f0; --bg: #ffffff; --soft: #f8fafc;
  --amber: #f59e0b; --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; color: var(--ink); background: var(--bg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--teal); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -.01em; }
h2 { font-size: clamp(28px, 4vw, 40px); }
h3 { font-size: 20px; }
code { background: var(--teal-l); color: var(--teal-d); padding: 1px 6px; border-radius: 6px; font-size: .9em; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.center { text-align: center; }
.sub { max-width: 640px; margin: 0 auto 40px; color: var(--muted); }
.eyebrow { color: var(--teal); font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; margin: 0 0 12px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; border-radius: 8px; z-index: 99; }
.skip:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; border-radius: 6px; }

/* Tombol */
.btn {
  display: inline-block; background: var(--teal); color: #fff; text-decoration: none; font-weight: 700;
  padding: 14px 26px; border-radius: 999px; box-shadow: 0 8px 20px -8px rgba(15,118,110,.6);
  transition: transform .15s ease, background .15s ease;
}
.btn:hover { background: var(--teal-d); transform: translateY(-1px); }
.btn-sm { padding: 9px 18px; box-shadow: none; }
.btn-ghost { background: transparent; color: var(--teal); box-shadow: inset 0 0 0 2px var(--teal); }
.btn-ghost:hover { background: var(--teal-l); }
.btn-light { background: #fff; color: var(--teal-d); }
.btn-light:hover { background: #f0fdfa; }

/* Navigasi */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 800; font-size: 22px; }
.nav nav { display: flex; align-items: center; gap: 26px; }
.nav nav a:not(.btn) { color: var(--muted); text-decoration: none; font-weight: 600; font-size: 15px; }
.nav nav a:not(.btn):hover { color: var(--ink); }

/* Hero */
.hero { padding: 72px 0 88px; overflow: hidden; background: radial-gradient(1200px 500px at 85% -10%, #f0fdfa, transparent 60%); }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5.4vw, 60px); font-weight: 800; }
.hl { background: linear-gradient(transparent 62%, #fde68a 62%); }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; }
.cta { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0 26px; }
.ticks { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--muted); font-size: 15px; }
.ticks li::before { content: "✓"; color: var(--teal); font-weight: 800; margin-right: 8px; }

.hero-art { position: relative; min-height: 780px; display: grid; place-items: center; }
.blob { position: absolute; width: 112%; max-width: 620px; opacity: .9; }
.phone {
  position: relative; width: 320px; background: #fff; border-radius: 40px; padding: 12px;
  box-shadow: 0 0 0 10px #0f172a, 0 40px 80px -20px rgba(15,23,42,.45);
}
.phone-top { display: flex; align-items: center; gap: 10px; padding: 10px 12px 12px; border-bottom: 1px solid var(--line); }
.phone-top b { display: block; font-size: 15px; }
.phone-top small { color: #64748b; font-size: 12px; }
.ava { width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 800; background: linear-gradient(135deg, #14b8a6, #0f766e); }
.chat {
  padding: 14px 10px 16px; border-radius: 0 0 28px 28px; display: flex; flex-direction: column; gap: 8px;
  background: #dbeafe url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Ccircle cx='4' cy='4' r='1.5' fill='%2393c5fd' opacity='.6'/%3E%3C/svg%3E");
}
.msg { max-width: 86%; padding: 8px 11px 18px; border-radius: 14px; font-size: 13.5px; line-height: 1.45; position: relative; box-shadow: 0 1px 1px rgba(0,0,0,.08); }
.msg.me { align-self: flex-end; background: #dcfce7; border-bottom-right-radius: 4px; }
.msg.bot { align-self: flex-start; background: #fff; border-bottom-left-radius: 4px; }
.msg .t { position: absolute; right: 9px; bottom: 3px; font-size: 10.5px; color: #64748b; }
.kb { display: flex; gap: 6px; align-self: flex-start; width: 86%; margin-top: -4px; }
.key { flex: 1; text-align: center; font-size: 13px; font-weight: 700; padding: 7px 0; border-radius: 10px; background: rgba(255,255,255,.75); color: #1e40af; }
.key.ok { background: #fff; color: var(--teal-d); box-shadow: inset 0 0 0 2px #5eead4; }
.float {
  position: absolute; display: flex; gap: 12px; align-items: center; background: #fff; padding: 12px 16px;
  border-radius: 16px; box-shadow: 0 18px 40px -14px rgba(15,23,42,.35); font-size: 14px;
}
.float span { font-size: 24px; }
.float b { display: block; }
.float small { color: var(--muted); }
.f1 { top: 0; left: -10px; animation: bob 6s ease-in-out infinite; }
.f2 { bottom: 0; right: -10px; animation: bob 6s ease-in-out -3s infinite; }
@keyframes bob { 50% { transform: translateY(-10px); } }

/* Masalah */
.pain { background: var(--soft); padding: 88px 0; }
.pain-in { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; }
.pain-art { margin: 0; background: #fff; border-radius: 28px; padding: 28px; box-shadow: 0 20px 50px -30px rgba(15,23,42,.35); }
.pain-list { padding: 0; list-style: none; margin: 24px 0; }
.pain-list li { padding: 12px 0 12px 38px; position: relative; color: var(--muted); border-bottom: 1px dashed var(--line); }
.pain-list li::before { content: "✕"; position: absolute; left: 0; top: 12px; width: 24px; height: 24px; border-radius: 50%; background: #fee2e2; color: #dc2626; display: grid; place-items: center; font-size: 12px; font-weight: 800; }
.pain-list b { color: var(--ink); }
.pain-sol { font-size: 20px; }

/* Fitur */
.features { padding: 96px 0; }
.features h2 { margin-bottom: 48px; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: #fff; transition: transform .2s ease, box-shadow .2s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -24px rgba(15,23,42,.3); }
.card p { color: var(--muted); margin: 0; font-size: 16px; }
.ic { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 18px; background: color-mix(in srgb, var(--c) 12%, white); }
.ic svg { width: 26px; height: 26px; fill: none; stroke: var(--c); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.c1 { --c: #0f766e; } .c2 { --c: #2563eb; } .c3 { --c: #d97706; } .c4 { --c: #dc2626; } .c5 { --c: #7c3aed; } .c6 { --c: #0891b2; }

/* Cara kerja */
.how { padding: 96px 0; background: linear-gradient(180deg, #f0fdfa, #fff); }
.how h2 { margin-bottom: 48px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; counter-reset: s; }
.steps li { background: #fff; border-radius: var(--radius); padding: 28px; position: relative; box-shadow: 0 16px 40px -28px rgba(15,23,42,.35); counter-increment: s; }
.steps li::before { content: counter(s); position: absolute; top: -16px; left: 28px; width: 36px; height: 36px; border-radius: 50%; background: var(--teal); color: #fff; font-weight: 800; display: grid; place-items: center; }
.step-art { width: 160px; height: 120px; margin: 6px auto 18px; }
.steps p { color: var(--muted); margin: 0; font-size: 16px; }

/* Kepercayaan */
.trust { padding: 88px 0; background: var(--ink); color: #e2e8f0; }
.trust-in { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.trust h2 { color: #fff; }
.trust p { color: #94a3b8; font-size: 19px; }
.trust ul { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.trust li { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: 16px; padding: 20px; color: #cbd5e1; font-size: 16px; }
.trust li b { display: block; color: #5eead4; margin-bottom: 4px; }

/* Harga */
.pricing { padding: 96px 0; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.plan { border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; position: relative; background: #fff; }
.plan.pop { border: 2px solid var(--teal); box-shadow: 0 30px 60px -30px rgba(15,118,110,.55); }
.badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--teal); color: #fff; font-size: 12px; font-weight: 700; padding: 5px 12px; border-radius: 999px; white-space: nowrap; }
.price { font-size: 36px; font-weight: 800; margin: 6px 0 0; }
.price small { font-size: 15px; font-weight: 600; color: var(--muted); }
.who { color: var(--muted); margin: 0 0 18px; }
.plan ul { list-style: none; padding: 18px 0 0; margin: 0; border-top: 1px solid var(--line); }
.plan li { padding: 6px 0 6px 26px; position: relative; font-size: 16px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--teal); font-weight: 800; }
.more { margin-top: 28px; font-weight: 600; }
.fine { color: #64748b; font-size: 14px; margin-top: 28px; }

/* FAQ */
.faq { padding: 88px 0; background: var(--soft); }
.faq-in { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; }
details { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; margin-bottom: 12px; }
summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; position: relative; padding-right: 28px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 0; top: 10px; font-size: 24px; color: var(--teal); }
details[open] summary::after { content: "–"; }
details p { color: var(--muted); margin: 0 0 16px; }

/* CTA akhir */
.final { padding: 96px 0; background: linear-gradient(135deg, #0f766e, #134e4a); color: #fff; text-align: center; }
.final h2 { color: #fff; }
.final p { color: #ccfbf1; font-size: 19px; margin: 0 auto 32px; max-width: 560px; }

/* Footer */
.foot { padding: 28px 0; border-top: 1px solid var(--line); color: #64748b; font-size: 14px; }
.foot-in { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.foot-in span:first-child { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--ink); }

/* Responsif */
@media (max-width: 960px) {
  .hero-in, .pain-in, .trust-in, .faq-in { grid-template-columns: 1fr; }
  .hero-art { min-height: 760px; }
  .grid, .plans, .steps { grid-template-columns: 1fr 1fr; }
  .pain-art { order: 2; }
}
@media (max-width: 680px) {
  body { font-size: 16px; }
  .nav nav a:not(.btn) { display: none; }
  .hero { padding: 44px 0 64px; }
  .grid, .plans, .steps, .trust ul { grid-template-columns: 1fr; }
  .phone { width: 290px; }
  .hero-art { min-height: 0; padding: 12px 0; }
  .float { display: none; }
  .steps { gap: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}