:root {
  --biru: #1e5fbf;
  --biru-tua: #154a96;
  --hijau: #1e9e3c;
  --hijau-tua: #157a2e;
  --bg: #ffffff;
  --bg-alt: #f3f7f5;
  --teks: #14201c;
  --teks-muted: #5a6b65;
  --border: #dbe6e1;
  --kode-bg: #0f1a16;
  --kode-teks: #e6f3ec;
}

[data-tema="gelap"] {
  --bg: #0d1410;
  --bg-alt: #121c17;
  --teks: #eef5f1;
  --teks-muted: #9fb3ac;
  --border: #243731;
  --kode-bg: #060a08;
  --kode-teks: #dff2e8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

.konten h2[id] {
  scroll-margin-top: 84px;
}

html, body {
  max-width: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--teks);
  background: var(--bg);
  line-height: 1.65;
  transition: background 0.2s, color 0.2s;
}

a { color: var(--biru); }

/* Header & Navbar */
.header {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header__inner {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo img {
  height: 32px;
  width: auto;
}

.navbar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
  min-width: 0;
}

.navbar__list {
  display: flex;
  flex-wrap: nowrap;
  gap: 14px 18px;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

.navbar__list::-webkit-scrollbar { display: none; }

.navbar__list a {
  color: var(--teks-muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.navbar__list a:hover {
  color: var(--hijau);
}

.tema-toggle {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--teks);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

.tema-toggle:hover {
  border-color: var(--hijau);
}

/* Main content */
main {
  display: block;
  max-width: 1040px;
  margin: 0 auto;
  padding: 48px 20px;
  min-height: 60vh;
}

/* Hero */
.hero {
  text-align: center;
  padding: 24px 0 16px;
}

.hero__logo {
  display: block;
  height: 56px;
  width: auto;
  margin: 0 auto 22px;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--hijau-tua);
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

.hero h1 {
  font-size: 2.6rem;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.hero h1 .aksen-biru { color: var(--biru); }
.hero h1 .aksen-hijau { color: var(--hijau); }

.hero p {
  color: var(--teks-muted);
  font-size: 1.15rem;
  max-width: 620px;
  margin: 0 auto 28px;
}

.hero__cta {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn--utama {
  background: linear-gradient(135deg, var(--biru), var(--hijau));
  color: #fff;
}

.btn--garis {
  background: transparent;
  border-color: var(--border);
  color: var(--teks);
}

.btn--garis:hover { border-color: var(--hijau); }

/* Terminal demo */
.terminal {
  max-width: 640px;
  margin: 40px auto 0;
  background: var(--kode-bg);
  color: var(--kode-teks);
  border-radius: 12px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 18px 40px -20px rgba(0,0,0,0.4);
}

.terminal__bar {
  display: flex;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
}

.terminal__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #5a6b65;
}

.terminal__body {
  padding: 18px 20px 24px;
  font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, monospace;
  font-size: 0.88rem;
  min-height: 190px;
}

.terminal__line {
  white-space: pre-wrap;
  margin: 0 0 6px;
  transform: translateY(6px);
  animation: muncul 0.3s ease forwards;
}

.terminal__prompt { color: var(--hijau); }
.terminal__cursor {
  display: inline-block;
  width: 7px;
  height: 1em;
  background: var(--hijau);
  vertical-align: middle;
  animation: kedip 1s step-end infinite;
}

@keyframes muncul { to { transform: translateY(0); } }
@keyframes kedip { 50% { opacity: 0; } }

@media (prefers-reduced-motion: reduce) {
  .terminal__line { animation: none; transform: none; }
  .terminal__cursor { animation: none; }
}

/* Fitur */
.fitur {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 56px;
}

.fitur__item {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  background: var(--bg-alt);
  text-align: left;
}

.fitur__item .fitur__ikon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--biru), var(--hijau));
  color: #fff;
  font-weight: 700;
  margin-bottom: 12px;
}

.fitur__item h2 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.fitur__item p {
  margin: 0;
  color: var(--teks-muted);
  font-size: 0.95rem;
}

/* Konten umum (tentang & dokumentasi) */
.konten h1 {
  font-size: 2rem;
  margin-bottom: 6px;
}

.konten .konten__intro {
  color: var(--teks-muted);
  font-size: 1.05rem;
  margin-top: 0;
}

.konten h2 {
  font-size: 1.35rem;
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--biru);
}

[data-tema="gelap"] .konten h2 { color: #5b9bff; }

.konten h3 {
  font-size: 1.05rem;
  margin-top: 24px;
  color: var(--hijau-tua);
}

[data-tema="gelap"] .konten h3 { color: var(--hijau); }

.konten code {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: ui-monospace, SFMono-Regular, "Cascadia Code", Menlo, monospace;
}

.konten pre {
  background: var(--kode-bg);
  color: var(--kode-teks);
  padding: 16px 18px;
  border-radius: 10px;
  overflow-x: auto;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

.konten pre code {
  background: none;
  border: none;
  color: inherit;
  padding: 0;
  white-space: pre;
  display: block;
}

.dok-list { padding-left: 20px; }

.catatan {
  border-left: 3px solid var(--hijau);
  background: var(--bg-alt);
  padding: 12px 16px;
  border-radius: 0 8px 8px 0;
  margin: 18px 0;
  font-size: 0.95rem;
}

.tabel-deploy {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 0.92rem;
}

.tabel-deploy th, .tabel-deploy td {
  border: 1px solid var(--border);
  padding: 10px 12px;
  text-align: left;
}

.tabel-deploy th {
  background: var(--bg-alt);
}

/* Dokumentasi: layout dengan sidebar */
.dok-layout {
  display: flex;
  gap: 40px;
  align-items: flex-start;
}

.dok-layout .konten { flex: 1; min-width: 0; }

/* Sidebar */
.sidebar {
  width: 200px;
  flex-shrink: 0;
  position: sticky;
  top: 90px;
}

.sidebar h4 {
  margin: 0 0 10px;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--teks-muted);
}

.sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar a {
  color: var(--teks-muted);
  text-decoration: none;
  font-size: 0.92rem;
}

.sidebar a:hover { color: var(--hijau); }

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 24px 20px;
  color: var(--teks-muted);
  font-size: 0.88rem;
}

/* 404 */
.not-found {
  text-align: center;
  padding: 60px 0;
}

/* ===== Responsif ===== */

img { max-width: 100%; height: auto; }

@media (max-width: 860px) {
  .dok-layout { flex-direction: column; }
  .sidebar {
    width: 100%;
    position: static;
  }
  .sidebar ul {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 14px;
  }
}

@media (max-width: 768px) {
  main { padding: 32px 16px; }
  .hero h1 { font-size: 1.9rem; }
  .hero p { font-size: 1rem; }
  .fitur { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .header__inner { padding: 12px 14px; gap: 8px; }
  .logo img { height: 24px; }
  .navbar { gap: 10px; }
  .navbar__list { gap: 10px 12px; }
  .navbar__list a { font-size: 0.88rem; }
  .tema-toggle { width: 32px; height: 32px; flex-shrink: 0; }
}

@media (max-width: 600px) {
  .header__inner {
    position: relative;
    flex-wrap: wrap;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    row-gap: 10px;
    padding-top: 16px;
  }
  .logo {
    width: 100%;
    justify-content: center;
  }
  .logo img {
    height: 26px;
  }
  .navbar {
    width: 100%;
    flex-direction: column;
    gap: 8px;
  }
  .navbar__list {
    width: 100%;
    flex-wrap: wrap;
    justify-content: center;
    overflow-x: visible;
  }
  .tema-toggle {
    position: absolute;
    top: 27px;
    right: 5px;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 1.55rem; }
  .fitur { grid-template-columns: 1fr; }
  .fitur__item { padding: 16px; }
  .navbar__list a { font-size: 0.85rem; }
  .terminal__body { font-size: 0.78rem; padding: 14px; }
  .konten pre {
    font-size: 0.82rem;
    padding: 12px 14px;
  }
  .konten pre code {
    white-space: pre-wrap;
    word-break: break-word;
  }
}