/* Static pages (/belajar/, /tentang/, 404): brand palette, pixel frames, system fonts, no JS. */
:root {
  --navy: #0b2f57;
  --navy-dark: #071f3b;
  --teal: #007f79;
  --deep-teal: #035a58;
  --gold: #feb509;
  --yellow: #ffc83a;
  --pandan: #3bb273;
  --coral: #e4573d;
  --cream: #fdf8ea;
  --cream-2: #f4ead0;
  --ink: #14213d;
  --ink-muted: #4a5568;
  --pixel: ui-monospace, 'Cascadia Mono', 'Segoe UI Mono', Menlo, Consolas, monospace;
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font: 400 1.0625rem/1.65 system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}
a {
  color: var(--deep-teal);
  text-underline-offset: 3px;
}
a:focus-visible,
.play:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
}
img {
  image-rendering: pixelated;
}

.top {
  background: linear-gradient(180deg, var(--navy-dark), var(--navy));
  padding: 10px 16px;
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
}
.top-in {
  max-width: 44rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.brand img {
  display: block;
  width: 96px;
  height: auto;
  background: var(--cream);
  padding: 4px 6px 2px;
  box-shadow:
    0 0 0 2px var(--navy-dark),
    0 0 0 4px var(--yellow);
}
.top nav {
  display: flex;
  gap: 4px;
}
.top nav a {
  color: var(--cream);
  font: 700 0.95rem/1 var(--pixel);
  text-decoration: none;
  padding: 14px 10px;
}
.top nav a[aria-current='page'] {
  color: var(--yellow);
  text-decoration: underline;
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 20px 16px 32px;
}
.crumbs {
  font-size: 0.875rem;
  color: var(--ink-muted);
  margin: 0 0 8px;
}
.crumbs a {
  color: var(--ink-muted);
}
.kicker {
  display: inline-block;
  margin: 0 0 6px;
  padding: 2px 8px;
  background: var(--deep-teal);
  color: var(--cream);
  font: 700 0.8rem/1.6 var(--pixel);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
h1,
h2,
h3 {
  font-family: var(--pixel);
  color: var(--navy);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
h1 {
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  margin: 4px 0 12px;
}
h2 {
  font-size: 1.3rem;
  margin: 32px 0 8px;
}
h3 {
  font-size: 1.08rem;
  margin: 20px 0 4px;
}
.lede {
  font-size: 1.15rem;
  color: var(--ink);
}
.en {
  margin: 20px 0;
  padding: 12px 16px;
  background: var(--cream-2);
  box-shadow: inset 4px 0 0 var(--teal);
  color: var(--ink-muted);
  font-size: 0.97rem;
}
.en h2 {
  margin: 0 0 4px;
  font-size: 0.95rem;
  color: var(--deep-teal);
}
.en p {
  margin: 0;
}
.box {
  margin: 20px 0;
  padding: 14px 16px;
  background: #fff;
  box-shadow:
    0 0 0 3px var(--navy),
    6px 6px 0 3px rgba(11, 47, 87, 0.18);
}
.box h3 {
  margin-top: 0;
}
.box p:last-child,
.box ul:last-child,
.box ol:last-child {
  margin-bottom: 0;
}
.tip {
  box-shadow:
    0 0 0 3px var(--gold),
    6px 6px 0 3px rgba(254, 181, 9, 0.25);
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.95rem;
}
th,
td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 2px solid var(--cream-2);
  vertical-align: top;
}
th {
  font-family: var(--pixel);
  color: var(--navy);
}
td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
ol.steps,
ul.list {
  padding-left: 1.3rem;
}
ol.steps li,
ul.list li {
  margin: 6px 0;
}

.cards {
  list-style: none;
  padding: 0;
  margin: 16px 0;
  display: grid;
  gap: 16px;
}
.cards li {
  background: #fff;
  padding: 14px 16px;
  box-shadow:
    0 0 0 3px var(--navy),
    6px 6px 0 3px rgba(11, 47, 87, 0.18);
}
.cards h2 {
  margin: 4px 0 6px;
  font-size: 1.15rem;
}
.cards p {
  margin: 0;
}
.cards .en-line {
  margin-top: 6px;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.cta {
  margin: 32px 0 8px;
  text-align: center;
}
.play {
  display: inline-block;
  min-height: 48px;
  padding: 14px 28px;
  background: var(--gold);
  color: var(--navy);
  font: 700 1.15rem/1.1 var(--pixel);
  text-decoration: none;
  box-shadow:
    0 0 0 3px var(--navy),
    0 6px 0 3px var(--navy-dark);
}
.play:active {
  transform: translateY(3px);
  box-shadow:
    0 0 0 3px var(--navy),
    0 3px 0 3px var(--navy-dark);
}
.cta p {
  margin: 14px 0 0;
  font-size: 0.9rem;
  color: var(--ink-muted);
}

footer {
  background: var(--navy);
  color: var(--cream);
  padding: 20px 16px calc(20px + env(safe-area-inset-bottom, 0px));
  font-size: 0.875rem;
}
footer .in {
  max-width: 44rem;
  margin: 0 auto;
}
footer a {
  color: var(--yellow);
}
footer p {
  margin: 4px 0;
}

/* 404 */
.lost {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px 16px;
  text-align: center;
  background: linear-gradient(180deg, var(--navy-dark) 0%, var(--navy) 55%, var(--deep-teal) 100%);
  color: var(--cream);
}
.lost .logo {
  width: min(60vw, 220px);
  height: auto;
  background: var(--cream);
  padding: 8px 12px 4px;
  box-shadow:
    0 0 0 3px var(--navy-dark),
    0 0 0 6px var(--yellow);
}
.lost h1 {
  color: var(--yellow);
  margin: 8px 0 0;
}
.lost p {
  max-width: 28rem;
  margin: 0;
}
.lost .en-line {
  color: #c4e6e3;
  font-size: 0.95rem;
}
.lost .links a {
  color: var(--yellow);
  margin: 0 8px;
}