:root {
  --ink: #1B2430;
  --ink-2: #4A5563;
  --brand: #52680F;
  --brand-ink: #FFFFFF;
  --accent: #C5E063;
  --bg: #FFFFFF;
  --card: #F5F7F0;
  --line: #DDE3D0;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #E8ECF1;
    --ink-2: #B4BDC8;
    --brand: #A9C44A;
    --brand-ink: #12161C;
    --bg: #12161C;
    --card: #1C222A;
    --line: #2C343E;
  }
}
:root[data-theme="dark"] {
  --ink: #E8ECF1;
  --ink-2: #B4BDC8;
  --brand: #A9C44A;
  --brand-ink: #12161C;
  --bg: #12161C;
  --card: #1C222A;
  --line: #2C343E;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, "Segoe UI", Arial, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; }
a { color: var(--brand); }
code { background: var(--card); border: 1px solid var(--line); border-radius: 6px; padding: 1px 6px; font-size: 0.95em; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }
.demo-strip { background: #52680F; color: #FFFFFF; text-align: center; font-size: 13px; font-weight: 600; padding: 6px 16px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 20px; padding-bottom: 20px; }
.top img { height: 40px; width: auto; display: block; }
/* Logo wordmark bertinta gelap: beri alas terang di tema gelap. */
.top a img, .top > img { background: #FFFFFF; border-radius: 10px; padding: 4px 8px; height: 48px; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 18px; border-radius: 10px; font-weight: 600; text-decoration: none; border: 1.5px solid var(--brand); }
.btn--primary { background: var(--brand); color: var(--brand-ink); }
.btn--ghost { background: transparent; color: var(--brand); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.hero { padding-top: 32px; padding-bottom: 40px; }
.kicker { margin: 0 0 8px; color: var(--ink-2); font-weight: 600; }
.hero h1 { margin: 0 0 16px; font-size: clamp(28px, 5vw, 44px); line-height: 1.15; max-width: 18em; }
.lead { margin: 0 0 24px; font-size: 18px; color: var(--ink-2); max-width: 38em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
.note { color: var(--ink-2); font-size: 14px; }

.fitur { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; padding-bottom: 40px; }
.fitur article { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.fitur h3 { margin: 0 0 8px; font-size: 18px; }
.fitur p { margin: 0; color: var(--ink-2); }

.coba { padding-bottom: 48px; }
.coba h2 { font-size: 24px; margin: 0 0 16px; }
.langkah { padding-left: 22px; margin: 0 0 24px; display: grid; gap: 10px; }
.akun { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.akun h3 { margin: 0 0 8px; }
.akun p { margin: 0 0 8px; }

.footer { border-top: 1px solid var(--line); padding-top: 16px; padding-bottom: 32px; color: var(--ink-2); font-size: 14px; }