:root {
  --lime: #8cc63f;
  --green: #6db547;
  --green-deep: #3e7f24; /* darker brand shade: white text on it passes WCAG AA */
  --mint: #e6f4e9;
  --cream: #fafff4;
  --ink: #1f2a1c;
  --muted: #4a5546;
  --radius: 16px;
  --shadow: 0 8px 24px rgb(31 42 28 / 0.08);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: #fff;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); font-weight: 800; color: var(--green-deep); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; color: var(--green-deep); }
h3 { font-size: 1.125rem; font-weight: 700; }
p { margin: 0 0 1em; }
ul, ol { list-style: none; margin: 0; padding: 0; }

.wrap { width: min(1160px, 100% - 32px); margin-inline: auto; }
.center { text-align: center; }
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section--tight { padding-block: 40px; }
.eyebrow {
  font-size: 0.8125rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--green-deep); margin-bottom: 12px;
}
.prose p:last-child { margin-bottom: 0; }
.btn {
  display: inline-block; padding: 12px 24px; border-radius: 10px;
  background: var(--green-deep); color: #fff; font-weight: 600; text-decoration: none;
  transition: background 0.2s;
}
.btn:hover { background: var(--ink); }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 2px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgb(255 255 255 / 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--mint); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav__logo img { width: 72px; }
.nav__toggle { display: none; }
.nav__links { display: flex; gap: 28px; }
.nav__links a { color: var(--ink); text-decoration: none; font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }
.nav__links a:hover { color: var(--green-deep); }

/* Hero */
.hero { background: var(--cream); padding-top: clamp(40px, 6vw, 72px); }
.hero__grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.hero__text { color: var(--muted); max-width: 44ch; }
.hero__img { border-radius: var(--radius); aspect-ratio: 16 / 10; object-fit: cover; box-shadow: var(--shadow); }
.stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
  margin-top: 48px; transform: translateY(50%);
  background: rgb(255 255 255 / 0.3); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.stats li { background: var(--green-deep); color: #fff; padding: 24px 28px; }
.stats strong { display: block; font-size: 1.5rem; font-weight: 800; }
.stats span { font-size: 0.9375rem; opacity: 0.95; }

/* About */
.about { padding-top: clamp(120px, 14vw, 160px); }
.about__tagline { max-width: 26ch; margin-inline: auto; }
.about__body { max-width: 860px; margin: 24px auto 48px; color: var(--muted); }
.vm { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.vm__card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.vm__card h3 {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  margin: 0; padding: 14px; background: var(--green-deep); color: #fff;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.vm__card p { padding: 20px 24px; margin: 0; color: var(--muted); }

/* Teknologi */
.tech { background: linear-gradient(90deg, #fff 35%, var(--mint) 70%, var(--green) 100%); }
.tech__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.tech__logo { width: min(340px, 100%); margin-bottom: 20px; }
.tech__img { border-radius: var(--radius); box-shadow: var(--shadow); }

/* Masa pakai */
.split { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; }
.split .prose { color: var(--muted); }

/* Tahap */
.tahap { background: var(--green-deep); }
.tahap h2 { color: #fff; }
.tahap__list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.tahap__card { background: #fff; border-radius: var(--radius); padding: 24px; text-align: center; }
.tahap__card img { margin: 8px auto 12px; }
.tahap__card p { color: var(--muted); font-size: 0.9375rem; margin: 0; }
.tahap__num { display: block; text-align: left; font-weight: 700; color: var(--green-deep); }

/* Mengapa */
.why { display: grid; grid-template-columns: 1fr 1fr; gap: 28px 48px; max-width: 920px; margin: 32px auto 0; }
.why li { display: flex; gap: 16px; align-items: flex-start; }
.why img { flex: none; }
.why p { margin: 0; color: var(--muted); }

/* Logo rows */
.logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 32px 48px; margin-top: 28px; }
.logos--cert img { height: 64px; width: auto; }
.logos--mitra img { height: 72px; width: auto; }

/* Aplikasi */
.apps__intro { color: var(--muted); max-width: 70ch; }
.apps__list { display: grid; gap: 32px; margin-top: 40px; }
.app { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; }
.app img { border-radius: var(--radius); aspect-ratio: 16 / 9; object-fit: cover; }
.app__card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px; margin-left: -48px; position: relative; }
.app__card h3 span { color: var(--green-deep); margin-right: 6px; }
.app__card p { margin: 0; color: var(--muted); }

/* Mitra + CTA */
.mitra { background: linear-gradient(180deg, #fff, var(--mint)); }
.cta { background: var(--cream); }
.cta p { color: var(--muted); }

/* Footer */
.footer { background: var(--mint); padding: 24px 0; font-size: 0.875rem; }
.footer__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.footer p { margin: 0; color: var(--muted); }

/* Mobile */
@media (max-width: 820px) {
  .nav__toggle {
    display: grid; place-items: center; width: 44px; height: 44px; cursor: pointer;
    background: none; border: 0; padding: 0;
  }
  .nav__toggle span, .nav__toggle span::before, .nav__toggle span::after {
    display: block; width: 22px; height: 2px; background: var(--ink); position: relative; content: "";
  }
  .nav__toggle span::before { position: absolute; top: -7px; }
  .nav__toggle span::after { position: absolute; top: 7px; }
  .nav__links {
    display: none; position: absolute; left: 0; right: 0; top: 68px; flex-direction: column; gap: 0;
    background: #fff; border-bottom: 1px solid var(--mint); box-shadow: var(--shadow);
  }
  .nav__toggle[aria-expanded="true"] + .nav__links { display: flex; }
  .nav__links a { padding: 14px 16px; }

  .hero__grid, .tech__grid, .split, .vm, .why, .tahap__list, .app { grid-template-columns: 1fr; }
  .hero__grid { gap: 32px; }
  .stats { grid-template-columns: 1fr; transform: none; margin: 32px 0 0; }
  .hero { padding-bottom: 40px; }
  .about { padding-top: 56px; }
  .tech { background: linear-gradient(180deg, #fff 40%, var(--mint)); }
  .split { gap: 16px; }
  .app__card { margin: -32px 16px 0; }
  .footer__inner { flex-direction: column; text-align: center; }
}