:root {
  --bg-primary: #0a1628;
  --bg-secondary: #0f1f3d;
  --bg-card: rgba(126, 200, 227, 0.04);
  --bg-card-hover: rgba(126, 200, 227, 0.08);
  --bg-glass: rgba(126, 200, 227, 0.05);
  --border-glass: rgba(126, 200, 227, 0.12);
  --text-primary: #f0f4f8;
  --text-secondary: #9bb8d4;
  --text-muted: #5a7a96;
  --accent-primary: #f5b800;
  --accent-secondary: #7ec8e3;
  --accent-gradient: linear-gradient(135deg, #f5b800, #ffd54f);
  --accent-gradient-blue: linear-gradient(135deg, #1b3a6b, #7ec8e3);
  --accent-glow: rgba(245, 184, 0, 0.3);
  --accent-glow-blue: rgba(126, 200, 227, 0.2);
  --nav-bg: rgba(10, 22, 40, 0.88);
  --hero-overlay: linear-gradient(to bottom, rgba(10, 22, 40, 0.66), rgba(10, 22, 40, 0.94));
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px var(--accent-glow);
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html[data-theme="light"] {
  --bg-primary: #f8fbff;
  --bg-secondary: #edf5fc;
  --bg-card: rgba(27, 58, 107, 0.05);
  --bg-card-hover: rgba(27, 58, 107, 0.09);
  --bg-glass: rgba(255, 255, 255, 0.72);
  --border-glass: rgba(27, 58, 107, 0.14);
  --text-primary: #12233f;
  --text-secondary: #415d7c;
  --text-muted: #6e86a1;
  --nav-bg: rgba(248, 251, 255, 0.88);
  --hero-overlay: linear-gradient(to bottom, rgba(248, 251, 255, 0.28), rgba(248, 251, 255, 0.9));
  --shadow-card: 0 4px 24px rgba(27, 58, 107, 0.1);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-height);
}

body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--accent-secondary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--text-primary);
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-hamburger.active span:nth-child(2) {
  opacity: 0;
}

.nav-hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-xl);
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 60px var(--accent-glow);
  color: #fff;
}

.btn-secondary {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8rem;
}

.theme-toggle {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-main);
}

.theme-toggle:hover {
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.theme-icon-light {
  display: none;
}

html[data-theme="light"] .theme-icon-dark {
  display: none;
}

html[data-theme="light"] .theme-icon-light {
  display: inline;
}

.lang-toggle {
  display: flex;
  align-items: center;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.lang-toggle button {
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--transition);
  font-family: var(--font-main);
}

.lang-toggle button.active {
  background: var(--accent-gradient);
  color: #fff;
  border-radius: var(--radius-xl);
}

.hero {
  padding-top: calc(var(--nav-height) + 80px);
  padding-bottom: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--hero-overlay), url('/assets/images/banner.png') center/cover no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-logo {
  max-width: 420px;
  width: 80%;
  height: auto;
  margin-bottom: 24px;
  filter: drop-shadow(0 4px 24px var(--accent-glow));
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 16px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.stats-bar {
  padding: 40px 0;
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  background: var(--bg-glass);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
  text-align: center;
}

.stat-item .stat-number {
  font-size: 2rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.features {
  padding: 100px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: inline-block;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}

.cta-section {
  padding: 100px 0;
  text-align: center;
}

.cta-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 60px 40px;
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--accent-glow-blue) 0%, transparent 70%);
  pointer-events: none;
}

.cta-box h2 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 12px;
  position: relative;
}

.cta-box p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  position: relative;
}

.cta-box .hero-buttons {
  position: relative;
}

.page-header {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 40px;
  text-align: center;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.commands-section {
  padding-bottom: 80px;
}

.command-category {
  margin-bottom: 48px;
}

.command-category h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  gap: 10px;
}

.command-category h2 .cat-icon {
  font-size: 1.1rem;
}

.command-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
}

.command-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: all var(--transition);
}

.command-item:hover {
  background: var(--bg-card-hover);
  border-color: rgba(108, 60, 224, 0.3);
}

.command-name {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent-secondary);
  white-space: nowrap;
  min-width: 100px;
}

.command-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.legal-content {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.legal-content .effective-date {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 40px;
}

.legal-content h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.legal-content p,
.legal-content li {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 12px;
}

.legal-content ul {
  padding-left: 24px;
  margin-bottom: 16px;
}

.legal-content li {
  margin-bottom: 8px;
}

.legal-content a {
  color: var(--accent-secondary);
}

.footer {
  padding: 40px 0;
  border-top: 1px solid var(--border-glass);
  background: var(--bg-secondary);
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

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

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
  padding: 24px;
  z-index: 999;
  transform: translateY(-100%);
  opacity: 0;
  transition: all var(--transition);
}

.mobile-menu.open {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-menu a {
  color: var(--text-secondary);
  font-size: 1rem;
  font-weight: 500;
  display: block;
  padding: 8px 0;
}

.mobile-menu a:hover {
  color: var(--text-primary);
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-actions .btn {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  .lang-toggle button {
    padding: 10px 16px;
    font-size: 0.85rem;
  }

  .hero {
    padding-top: calc(var(--nav-height) + 48px);
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .hero-logo {
    max-width: 280px;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }

  .command-list {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .cta-box {
    padding: 40px 24px;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}



@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }


  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

#page-content {
  transition: opacity 0.18s ease, transform 0.18s ease;
}

#page-content.is-loading {
  opacity: 0;
  transform: translateY(8px);
}

html[lang="en"] [data-lang="id"],
html[lang="id"] [data-lang="en"] {
  display: none !important;
}