/* Nav */
    nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(15, 15, 15, .9);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid var(--border);
    }

    .nav-inner {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 24px;
      height: 56px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .nav-logo {
      font-size: 15px;
      font-weight: 600;
      color: var(--text);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 9px;
    }

    .nav-logo-img {
      width: 28px;
      height: 28px;
      border-radius: 6px;
      flex-shrink: 0;
      object-fit: contain;
    }

    .nav-links {
      display: flex;
      gap: 28px;
      list-style: none;
      margin-left: auto;
      margin-right: 32px;
    }

    .nav-links a {
      color: var(--muted);
      text-decoration: none;
      font-size: 13.5px;
      transition: color .15s;
    }

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

    .nav-toggle {
      display: none;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: 7px;
      width: 34px;
      height: 34px;
      color: var(--text);
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }

    .nav-toggle:hover {
      border-color: #3a3a3a;
    }

    .nav-mobile {
      display: none;
      flex-direction: column;
      border-top: 1px solid var(--border);
      background: rgba(15, 15, 15, .97);
    }

    .nav-mobile.open {
      display: flex;
    }

    .nav-mobile a {
      color: var(--muted);
      text-decoration: none;
      font-size: 14px;
      padding: 14px 24px;
      border-top: 1px solid var(--border);
    }

    .nav-mobile a:first-child {
      border-top: none;
    }

    .nav-mobile a:hover {
      color: var(--text);
      background: #131313;
    }

    /* Hero */
    #hero {
      padding-top: 120px;
      padding-bottom: 64px;
      text-align: center;
    }

    .badge {
      display: inline-block;
      font-size: 11.5px;
      font-weight: 500;
      color: var(--accent);
      background: var(--accent-dim);
      border: 1px solid var(--accent-border);
      border-radius: 20px;
      padding: 4px 12px;
      margin-bottom: 28px;
      letter-spacing: .03em;
    }

    h1 {
      font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
      font-size: clamp(28px, 5vw, 44px);
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: -.03em;
      margin-bottom: 18px;
      color: #fff;
    }

    .hero-sub {
      font-size: 15.5px;
      color: var(--muted);
      max-width: 560px;
      margin: 0 auto 40px;
      line-height: 1.75;
    }

    .cta-group {
      display: flex;
      gap: 10px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .hero-preview {
      margin-top: 56px;
    }

    .hero-preview img {
      width: 100%;
      max-width: 960px;
      height: auto;
      border-radius: 12px;
      box-shadow: 0 24px 64px rgba(0, 0, 0, 0.4);
      border: 1px solid #222;
      display: block;
      margin: 0 auto;
      transition: transform 0.4s ease, box-shadow 0.4s ease;
    }

    .hero-preview img:hover {
      transform: translateY(-8px) scale(1.02);
      box-shadow: 0 32px 80px rgba(59, 130, 246, 0.25);
      border-color: var(--accent-border);
    }

    

    .btn:active {
      transform: scale(.98);
    }

    

    

    .btn-outline {
      background: transparent;
      color: var(--text);
      border: 1px solid var(--border);
    }

    .btn-outline:hover {
      border-color: #3a3a3a;
      background: #181818;
    }

    /* Section header */
    .section-label {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: .1em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 12px;
    }

    h2 {
      font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
      font-size: clamp(20px, 3.5vw, 27px);
      font-weight: 700;
      line-height: 1.22;
      letter-spacing: -.02em;
      color: #fff;
      margin-bottom: 12px;
    }

    .section-desc {
      font-size: 14px;
      color: var(--muted);
      max-width: 440px;
      line-height: 1.7;
      margin-bottom: 48px;
    }

    /* Features 3x2 */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
    }

    

    

    

    .feature-card h3 {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 7px;
    }

    .feature-card p {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.65;
    }

    /* Steps */
    .steps {
      display: flex;
      flex-direction: column;
    }

    

    .step-num {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: var(--accent-dim);
      border: 1px solid var(--accent-border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 11.5px;
      font-weight: 600;
      color: var(--accent);
      flex-shrink: 0;
      margin-top: 3px;
    }

    .step-body h3 {
      font-size: 14.5px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 5px;
    }

    .step-body p {
      font-size: 13.5px;
      color: var(--muted);
      line-height: 1.65;
    }

    /* Code */
    .code-block {
      background: #0c0c0c;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 22px 24px;
      font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
      font-size: 12.5px;
      line-height: 1.85;
      overflow-x: auto;
      margin-top: 32px;
    }

    .code-block .line {
      display: block;
    }

    .code-block .key {
      color: #79b8ff;
    }

    .code-block .val {
      color: #9ecb9e;
    }

    .code-block .comment {
      color: #444;
    }

    .code-block .dim {
      color: #3a3a3a;
    }

    /* Prasyarat */
    .prereq-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    

    

    .prereq-card h3 {
      font-size: 13.5px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 7px;
    }

    .prereq-card p {
      font-size: 13px;
      line-height: 1.6;
      color: var(--muted);
      margin-bottom: 18px;
    }

    

    

    

    

    

    /* Architecture */
    .arch-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    

    

    .arch-card h3 {
      font-size: 13.5px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 7px;
    }

    .arch-card p {
      font-size: 12.5px;
      color: var(--muted);
      line-height: 1.65;
    }

    .arch-connector {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 12px;
      margin: 28px 0;
      color: var(--muted);
      font-size: 13px;
    }

    .arch-connector-line {
      flex: 1;
      height: 1px;
      background: var(--border);
    }

    /* FAQ */
    .faq-list {
      display: flex;
      flex-direction: column;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      overflow: hidden;
    }

    

    .faq-item:first-child {
      border-top: none;
    }

    

    

    

    .faq-a code,
    .step-body code {
      font-family: 'SF Mono', 'Fira Code', monospace;
      font-size: 12px;
      color: #aaa;
      background: #1e1e1e;
      padding: 1px 5px;
      border-radius: 4px;
    }

    /* Versi */
    

    .version-current-label {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: .05em;
      text-transform: uppercase;
      color: var(--accent);
      margin-bottom: 4px;
    }

    .version-current-value {
      font-size: 18px;
      font-weight: 600;
      color: #fff;
    }

    .version-current-date {
      font-size: 13px;
      color: var(--muted);
    }

    .changelog-list {
      display: flex;
      flex-direction: column;
    }

    

    .changelog-version {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
    }

    .changelog-date {
      font-size: 12.5px;
      color: var(--muted);
    }

    

    .changelog-changes {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .changelog-changes li {
      font-size: 13.5px;
      color: var(--muted);
      line-height: 1.6;
      padding-left: 16px;
      position: relative;
    }

    .changelog-changes li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 9px;
      width: 4px;
      height: 4px;
      border-radius: 50%;
      background: var(--muted);
    }



    /* Footer */
    footer {
      border-top: 1px solid var(--border);
      padding: 64px 0;
      background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.4));
    }

    .footer-inner {
      max-width: var(--max);
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 24px;
    }

    .footer-left {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .footer-logo {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      opacity: 0.6;
      filter: grayscale(1);
      transition: all 0.3s;
    }

    .footer-logo:hover {
      opacity: 1;
      filter: grayscale(0);
    }

    .footer-text {
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .footer-brand {
      font-size: 14px;
      font-weight: 600;
      color: #eaeaea;
    }

    .footer-copy {
      font-size: 12.5px;
      color: var(--muted);
    }

    .footer-meta {
      display: flex;
      gap: 10px;
    }

    .footer-badge {
      font-size: 11px;
      font-weight: 600;
      letter-spacing: .04em;
      text-transform: uppercase;
      color: #777;
      border: 1px solid #2a2a2a;
      padding: 6px 12px;
      border-radius: 40px;
      background: #121212;
      transition: border-color .2s, color .2s;
    }

    .footer-badge:hover {
      border-color: #444;
      color: #aaa;
    }

    /* Responsive */
    @media (max-width: 620px) {
      .feature-grid {
        grid-template-columns: 1fr 1fr;
      }

      .arch-grid,
      .prereq-grid {
        grid-template-columns: 1fr;
      }

      .nav-links {
        display: none;
      }

      .nav-toggle {
        display: flex;
      }

      section {
        padding: 64px 0;
      }

      #hero {
        padding-top: 80px;
        padding-bottom: 72px;
      }
    }

    @media (max-width: 400px) {
      .feature-grid {
        grid-template-columns: 1fr;
      }
    }