:root {
  --font-heading: "Archivo Black", "Space Grotesk", sans-serif;
  --font-body: "Space Grotesk", "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;

  --ink: #181a1f;
  --canvas: #f7f5ee;
  --card: #ffffff;
  --text: #181a1f;
  --text-muted: #5c5f63;

  --blue: #2e63e7;
  --green-soft: #d4f3e4;
  --yellow: #ffc93c;
  --yellow-soft: #fff0c2;

  --radius: 16px;
  --radius-sm: 10px;
  --shadow-sm: 3px 3px 0 0 var(--ink);
  --shadow: 5px 5px 0 0 var(--ink);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-body);
  background-color: var(--canvas);
  background-image: radial-gradient(rgba(24, 26, 31, 0.12) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  color: var(--text);
  line-height: 1.7;
}

a {
  color: var(--blue);
  text-underline-offset: 3px;
}

.site-header {
  padding: 2.25rem 0 2.5rem;
  background: var(--blue);
  color: #ffffff;
  border-bottom: 4px solid var(--ink);
}

.site-header-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.site-back {
  display: inline-block;
  margin-bottom: 1rem;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
}

.site-header h1 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: clamp(1.75rem, 6vw, 2.6rem);
  line-height: 1.15;
}

.site-header p {
  margin: 0.6rem 0 0;
  opacity: 0.92;
}

.site-main {
  max-width: 760px;
  margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
}

.lang-switch {
  display: flex;
  gap: 0.6rem;
  margin: 0 0 1.5rem;
  flex-wrap: wrap;
}

.lang-switch a {
  padding: 0.35rem 0.9rem;
  border: 3px solid var(--ink);
  border-radius: 999px;
  background: var(--card);
  color: var(--ink);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}

.lang-switch a:hover {
  background: var(--yellow);
}

.site-card {
  margin-bottom: 2rem;
  padding: 1.5rem 1.4rem 1.75rem;
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  scroll-margin-top: 1rem;
}

.site-card h2 {
  margin: 0 0 0.25rem;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.5rem;
  line-height: 1.25;
}

.site-card h3 {
  margin: 1.75rem 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.site-card p,
.site-card ul {
  margin: 0.5rem 0;
}

.site-card ul {
  padding-left: 1.3rem;
}

.site-card li {
  margin: 0.3rem 0;
}

.site-updated {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.site-summary {
  margin: 1.1rem 0 0.5rem;
  padding: 0.9rem 1.1rem;
  background: var(--green-soft);
  border: 3px solid var(--ink);
  border-radius: var(--radius-sm);
}

.site-summary p {
  margin: 0.25rem 0;
}

.site-notice {
  margin: 1rem 0;
  padding: 0.9rem 1.1rem;
  background: var(--yellow-soft);
  border: 3px solid var(--ink);
  border-radius: var(--radius-sm);
}

code {
  padding: 0.1rem 0.35rem;
  background: #eeeae0;
  border-radius: 6px;
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

code.nowrap {
  white-space: nowrap;
}

.site-footer {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer a {
  color: inherit;
}

@media (max-width: 480px) {
  .site-card {
    padding: 1.2rem 1rem 1.4rem;
  }
}

/* ---- Language toggle: both languages are in the HTML, one is hidden ---- */

html.lang-id .l-en,
html.lang-en .l-id {
  display: none !important;
}

.lang-toggle {
  display: inline-flex;
  border: 3px solid var(--ink);
  border-radius: 999px;
  overflow: hidden;
  background: var(--card);
  box-shadow: var(--shadow-sm);
}

.lang-toggle button {
  padding: 0.25rem 0.8rem;
  border: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
}

html.lang-id .lang-toggle button[data-lang="id"],
html.lang-en .lang-toggle button[data-lang="en"] {
  background: var(--yellow);
}

.site-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.site-topbar .site-back {
  margin-bottom: 0;
}

/* ---- App hero ---- */

.app-hero {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  flex-wrap: wrap;
}

.app-icon {
  width: 96px;
  height: 96px;
  border: 3px solid var(--ink);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  background: var(--card);
}

.app-hero-text {
  flex: 1 1 260px;
}

.app-hero-text h1 {
  margin: 0;
}

.app-tagline {
  margin: 0.5rem 0 0;
  font-size: 1.1rem;
  max-width: 34rem;
}

.btn-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin: 1.25rem 0 0.5rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.2rem;
  border: 3px solid var(--ink);
  border-radius: 12px;
  background: var(--yellow);
  color: var(--ink);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 4px 4px 0 0 var(--ink);
}

.btn-secondary {
  background: var(--card);
}

.btn small {
  display: block;
  font-weight: 500;
  font-size: 0.8rem;
  opacity: 0.8;
}

.app-meta {
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  opacity: 0.92;
}

/* ---- Sections on app / catalog pages ---- */

.site-section {
  margin: 0 0 2rem;
}

.site-section > h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.feature-card img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 3px solid var(--ink);
}

.feature-card div {
  padding: 0.9rem 1rem 1.1rem;
}

.feature-card h3 {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-muted);
}

.steps {
  margin: 0.5rem 0;
  padding-left: 1.4rem;
}

.steps li {
  margin: 0.45rem 0;
}

/* ---- Release history ---- */

.release {
  margin: 0 0 1.25rem;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.release-head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  flex-wrap: wrap;
}

.release-head h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 400;
  font-size: 1.3rem;
}

.release-date {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.badge {
  padding: 0.05rem 0.55rem;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--green-soft);
  font-size: 0.75rem;
  font-weight: 700;
}

.release ul {
  margin: 0.6rem 0;
  padding-left: 1.3rem;
}

.release-files {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.release-file {
  font-size: 0.92rem;
}

.release-file a {
  font-weight: 700;
}

.release-file details {
  margin-top: 0.2rem;
  color: var(--text-muted);
  font-size: 0.82rem;
}

.release-file summary {
  cursor: pointer;
}

/* ---- Catalog ---- */

.app-card {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 1.1rem 1.2rem;
  background: var(--card);
  border: 3px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  color: var(--ink);
  text-decoration: none;
}

.app-card:hover {
  background: var(--yellow-soft);
}

.app-card .app-icon {
  width: 72px;
  height: 72px;
  border-radius: 16px;
  flex: none;
}

.app-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.app-card p {
  margin: 0.2rem 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

@media (max-width: 480px) {
  .app-icon {
    width: 76px;
    height: 76px;
  }
}