:root {
  --bg: #fbfaf7; --surface: #ffffff; --ink: #1d2430; --muted: #5c6675; --line: #e4e1d8;
  --accent: #0f766e; --accent-ink: #ffffff; --soft: #e6f2ef; --chat-bg: #efeae2; --bubble: #ffffff; --bubble-me: #d9fdd3;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #11161c; --surface: #18202a; --ink: #e8ecf1; --muted: #9aa5b4; --line: #2a3441; --accent: #2dd4bf;
          --accent-ink: #06201d; --soft: #14302d; --chat-bg: #0b141a; --bubble: #202c33; --bubble-me: #005c4b; }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6;
       font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; }
a { color: var(--accent); }
.wadah { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
header.atas { border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 5; }
header.atas .wadah { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; }
.merek { font-weight: 700; font-size: 20px; letter-spacing: -.01em; color: var(--ink); text-decoration: none; }
.merek span { color: var(--accent); }
nav.menu { display: flex; gap: 20px; align-items: center; font-size: 15px; }
nav.menu a { color: var(--muted); text-decoration: none; }
nav.menu a:hover { color: var(--ink); }
.tombol { display: inline-block; background: var(--accent); color: var(--accent-ink) !important; padding: 10px 18px; border-radius: 8px;
          font-weight: 600; text-decoration: none; border: 0; }
.tombol.hantu { background: transparent; color: var(--ink) !important; border: 1px solid var(--line); }
.hero { padding: 56px 0 40px; }
.hero .wadah { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; }
h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.12; letter-spacing: -.02em; margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--muted); margin: 0 0 24px; max-width: 34em; }
.aksi { display: flex; gap: 12px; flex-wrap: wrap; }
.catatan-kecil { font-size: 13px; color: var(--muted); margin-top: 14px; }
/* tiruan percakapan WhatsApp */
.hp { background: var(--chat-bg); border: 1px solid var(--line); border-radius: 18px; padding: 14px; max-width: 380px; margin-inline: auto; width: 100%; }
.hp .judul { font-size: 13px; color: var(--muted); text-align: center; margin-bottom: 10px; }
.gelembung { background: var(--bubble); border-radius: 10px; padding: 8px 12px; margin: 6px 0; font-size: 14px; max-width: 88%; white-space: pre-line; }
.gelembung.saya { background: var(--bubble-me); margin-left: auto; }
.gelembung b { font-weight: 600; }
section { padding: 48px 0; }
section.pita { background: var(--surface); border-block: 1px solid var(--line); }
h2 { font-size: 28px; letter-spacing: -.01em; margin: 0 0 8px; }
.sub { color: var(--muted); margin: 0 0 28px; max-width: 40em; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.grid2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.kartu { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.kartu h3 { margin: 0 0 6px; font-size: 17px; }
.kartu p { margin: 0; color: var(--muted); font-size: 15px; }
.nomor { display: inline-grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--soft); color: var(--accent);
         font-weight: 700; margin-bottom: 10px; }
details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }
.kontak-kotak { background: var(--soft); border-radius: 14px; padding: 28px; }
.kontak-kotak dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 18px; margin: 18px 0 0; }
.kontak-kotak dt { color: var(--muted); } .kontak-kotak dd { margin: 0; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; font-size: 14px; color: var(--muted); }
footer .wadah { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer a { color: var(--muted); margin-right: 16px; }
.dokumen { max-width: 760px; padding: 40px 20px 60px; }
.dokumen h1 { font-size: 34px; } .dokumen h2 { font-size: 21px; margin-top: 32px; }
.dokumen p, .dokumen li { color: var(--ink); } .dokumen .tgl { color: var(--muted); font-size: 14px; }
@media (max-width: 800px) {
  .hero .wadah, .grid3, .grid2 { grid-template-columns: 1fr; }
  nav.menu a.biasa { display: none; }
  .hero { padding-top: 32px; }
}