:root {
      --primary: #8c52ff;
      --bg: #ffffff;
      --muted: #6b7280;
      --text: #111827;
      --container: 1100px;
      --radius: 12px;
      --glass: rgba(140, 82, 255, 0.08);
      --shadow: 0 6px 20px rgba(15, 15, 15, 0.08);
      --gap: 18px;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
        Arial;
    }

    * {
      box-sizing: border-box;
    }

    html,
    body {
      height: 100%;
    }

    body {
      margin: 0;
      color: var(--text);
      background: linear-gradient(180deg, #fbfbff 0%, #ffffff 100%);
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      line-height: 1.45;
      font-size: 16px;
    }

    /* Container */
    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 28px;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }

    .brand {
      font-weight: 700;
      color: var(--primary);
      text-decoration: none;
      font-size: 1.05rem;
    }

    /* Header */
    .site-header {
      position: sticky;
      top: 0;
      backdrop-filter: blur(6px);
      background: rgba(255, 255, 255, 0.95);
      border-bottom: 1px solid rgba(0, 0, 0, 0.04);
      z-index: 50;
    }

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

    .nav a {
      color: var(--muted);
      text-decoration: none;
      padding: 8px 10px;
      border-radius: 8px;
    }

    .nav a:hover {
      background: var(--glass);
      color: var(--primary);
    }

    .nav-toggle {
      display: none;
      border: 0;
      background: none;
      font-size: 20px;
      cursor: pointer;
    }

    /* Buttons */
    .btn {
      display: inline-block;
      padding: 10px 14px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: 600;
      border: 1px solid transparent;
    }

    .btn-primary {
      background: var(--primary);
      color: white !important;
      box-shadow: var(--shadow);
    }

    /* Hover tombol beda sendiri */
    .nav .btn:hover {
      background: #6b22fd;
      color: #ffffff;
    }

     .btn:hover {
      background: #6b22fd;
      color: #ffffff;
    }

    .btn-ghost {
      background: transparent;
      color: var(--primary);
      border: 1px solid rgba(140, 82, 255, 0.12);
    }

    .btn.large {
      padding: 14px 20px;
    }

    .btn.big {
      padding: 16px 28px;
      font-size: 1.05rem;
    }

   .hero {
  padding: 40px 0;
}

/* HERO LAYOUT - selalu satu kolom, teks rata tengah */
.hero {
  padding: 40px 0;
}

.hero-content {
  display: flex;
  flex-direction: column; /* memastikan stack vertikal */
  align-items: center;
  text-align: center;
  gap: 18px;
  width: min(920px, 100%);
  margin: 0 auto;
}

/* Headline & responsive sizing */
.hero-content h1 {
  margin: 0;
  line-height: 1.1;
  font-size: clamp(1.6rem, 3.5vw, 2.4rem); /* scalable across devices */
  font-weight: 800;
}

.tagline {
  margin: 0;
  font-weight: 700;
  color: var(--primary);
  font-size: clamp(1rem, 2.2vw, 1.125rem);
}

.sublead {
  margin: 0;
  color: var(--muted);
  font-size: clamp(.95rem, 1.8vw, 1.05rem);
  max-width: 820px;
}

/* IMAGE: responsive landscape */
.hero-image {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;   /* jaga tetap landscape */
  object-fit: cover;      /* isi penuh, crop rapi */
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: #000;
}



  /* CTA buttons */
  .hero-ctas{
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 4px;
  }

  .btn{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    padding: 0.6rem 1rem;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    min-height: 44px;
    line-height: 1;
    transition: transform .12s ease, box-shadow .12s ease;
    border: 1px solid transparent;
  }

  .btn:focus{
    outline: 3px solid rgba(15,98,254,0.15);
    outline-offset: 2px;
  }

  .btn-primary{
    background: var(--primary);
    color: #fff;
    box-shadow: 0 6px 18px rgba(15,98,254,0.12);
  }

  .btn-primary:hover{ transform: translateY(-2px); }

  .btn-ghost{
    background: transparent;
    color: var(--primary);
    border: 1px solid rgba(15,98,254,0.14);
  }

  .btn-ghost:hover{ transform: translateY(-2px); }

  /* ukuran tombol besar jika diperlukan */
  .btn.large{ padding: 0.8rem 1.2rem; border-radius: 14px; }

  /* small screens tweak */
  @media (max-width: 420px){
    .hero{ padding: 28px 0; }
    .hero-content{ gap: 14px; }
    .hero-content h1{ font-size: 1.5rem; }
  }







  /* PROBLEMS */
.problems {
  text-align: center;
  padding: 30px 0;
}

.problems h2 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.problem-list {
  max-width: 720px;
  margin: 20px auto 0;
  text-align: left;
  list-style: none;
  padding: 0;
}

.problem-list li {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  padding: 10px 14px;
  margin-bottom: 10px;
  font-size: 1rem;
  box-shadow: var(--shadow-light);
}

    /* TESTIMONIALS */
    .testimonials {
      padding: 40px 0;
      background: linear-gradient(180deg, #f9f9ff, #fff);
    }

    .testimonials h2 {
      font-size: 1.4rem;
      margin-bottom: 10px;
      text-align: center;
    }

    .testimonials p.muted {
      text-align: center;
      margin-bottom: 30px;
    }

    .testimonial-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .testimonial-card {
      background: #fff;
      border-radius: 12px;
      box-shadow: var(--shadow);
      padding: 18px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .testimonial-card .quote {
      font-style: italic;
      color: var(--text);
      margin-bottom: 12px;
      line-height: 1.5;
    }

    .testimonial-card .author {
      font-weight: 600;
      color: var(--primary);
      text-align: right;
    }

    /* Responsive */
    @media (max-width:900px) {
      .testimonial-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width:600px) {
      .testimonial-grid {
        grid-template-columns: 1fr;
      }
    }

    /* SECTION */
    .section {
      padding: 20px 0;
    }

    .section h2 {
      margin: 0 0 10px;
      font-size: 1.4rem;
    }

    .muted {
      color: var(--muted);
      margin-bottom: 12px;
    }

    /* ===== WORKSHEETS - now styled like activity cards ===== */
    .worksheet-grid {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .ws-row {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    /* each ws-card now uses a media + body layout (matching .activity) */
    .ws-card {
      background: #fff;
      border-radius: 12px;
      padding: 12px;
      box-shadow: var(--shadow);
      display: flex;
      gap: 14px;
      align-items: center;
      transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    .ws-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(15, 15, 15, 0.12);
    }

    .ws-card img {
      width: 220px; /* larger thumbnail */
      max-width: 45%;
      height: auto;
      border-radius: 8px;
      display: block;
      object-fit: cover;
      flex-shrink: 0;
    }

    .ws-card .ws-body {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }

    .ws-card .ws-title {
      margin: 0;
      font-weight: 700;
      color: var(--text);
      font-size: 1.2rem;
    }

    .ws-card .ws-meta {
      margin: 0;
      color: var(--muted);
      font-weight: 600;
      font-size: 1rem;
    }

    /* BENEFITS */
    .benefits-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .benefit-card {
      background: linear-gradient(180deg, #fff, #fbfbff);
      padding: 18px;
      border-radius: 12px;
      box-shadow: var(--shadow);
    }

    .benefit-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .benefit-list li {
      display: flex;
      align-items: flex-start;
      margin-bottom: 10px;
      font-size: 0.95rem;
      line-height: 1.4;
    }

    .benefit-list .icon {
      flex-shrink: 0;
      margin-right: 8px;
      font-size: 1.2rem;
      line-height: 1.4;
    }

    /* ACTIVITIES - improve image sizing */
    .activity-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 12px;
    }

    .activity {
     display: flex;
  align-items: center;
  gap: 1.5rem;
  background: #fff;
  border-radius: 16px;
  padding: 20px;
      box-shadow: var(--shadow);
      transition: transform 0.15s ease, box-shadow 0.15s ease;
    }

    .activity:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 30px rgba(15, 15, 15, 0.12);
    }

    .activity-card img {
  flex-shrink: 0;
  width: 100%;
  max-width: 45%;   /* desktop/tablet: 45% kolom */
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}

    .activity-body h3 {
      margin: 0 0 6px;
    }

    /* BONUS */
    .bonus-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .bonus-card {
      background: linear-gradient(180deg, #fff, #fbfbff);
      padding: 16px;
      border-radius: 10px;
      box-shadow: var(--shadow);
    }

 /* LICENSE */
.license {
  display: flex;
  justify-content: center;  /* center horizontal */
  align-items: center;      /* center vertical (kalau ada tinggi cukup) */
  text-align: center;       /* teks rata tengah */
  padding: 40px 2px;       /* beri ruang */
}

.license-grid {
  display: flex;
  justify-content: center; /* konten di tengah */
  flex-wrap: wrap;
  gap: 18px;
  max-width: 700px;  /* biar nggak terlalu melebar */
  margin: 0 auto;
}

.license-card {
  flex: 1 1 100%;
  max-width: 500px; /* batas lebar kartu */
  background: #fff;
  padding: 18px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  margin: 0 auto;   /* pastikan selalu di tengah */
  
}

.license-card ul li {
text-align: left;
}

.license-card a.btn {
  display: block;
  margin-top: auto;
  width: 100%;
  text-align: center;
  cursor: pointer;
}

.license-card.featured {
  border: 2px solid rgba(140, 82, 255, 0.12);
}

.license-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.license-card ul li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 8px;
  font-size: 0.95rem;
  line-height: 1.4;
}

.license-card ul li span.icon {
  flex-shrink: 0;
  margin-right: 6px;
  font-size: 1.1rem;
}

.license-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid #8c52ff;
}

    /* Video wrapper */
    .video-wrapper {
      position: relative;
      width: 100%;
      max-width: 500px;
      aspect-ratio: 16/9;
      box-shadow: var(--shadow);
      border-radius: 12px;
      overflow: hidden;
    }

    .video-wrapper iframe {
      width: 100%;
      height: 100%;
    }

    /* Harga coret */
    .price {
      font-size: 1.2rem;
      margin: 10px 0;
    }

    .old-price {
      color: var(--muted);
      text-decoration: line-through;
      margin-right: 8px;
      font-weight: 500;
    }

    .new-price {
      color: var(--primary);
      font-weight: 700;
      font-size: 1.4rem;
    }

    .promo-deadline {
      color: #ef4444;
      font-size: 0.95rem;
      margin: 6px 0;
    }

    /* Garansi */
    .guarantee {
      margin-top: 16px;
      padding: 12px;
      background: var(--glass);
      border-radius: 8px;
      font-weight: 600;
      color: var(--primary);
    }

    /* FAQ */
    .faq .faq-item {
      margin-bottom: 14px;
      padding: 12px;
      background: #fff;
      border-radius: 10px;
      box-shadow: var(--shadow);
    }

    .faq h3 {
      margin: 0 0 6px;
      font-size: 1rem;
      color: var(--primary);
    }

    .promo-deadline {
      color: #ef4444;
      font-size: 1rem;
      font-weight: 700;
      margin: 8px 0;
      text-align: left;
      display: inline-block;
      animation: pulse 1.5s infinite;
    }

    @keyframes pulse {
      0% {
        transform: scale(1);
        opacity: 1;
      }

      50% {
        transform: scale(1.08);
        opacity: 0.7;
      }

      100% {
        transform: scale(1);
        opacity: 1;
      }
    }

    .countdown {
      font-size: 1.1rem;
      font-weight: 700;
      color: #111827;
      background: rgba(239, 68, 68, 0.08);
      border: 1px solid rgba(239, 68, 68, 0.25);
      padding: 6px 12px;
      border-radius: 8px;
      display: inline-block;
      margin: 6px 0 12px;
      animation: blink 1s infinite alternate;
    }

    @keyframes blink {
      from {
        color: #ef4444;
      }

      to {
        color: #b91c1c;
      }
    }

    /* FOOTER */
    .site-footer {
      padding: 18px 0;
      background: #fff;
      border-top: 1px solid rgba(0, 0, 0, 0.04);
    }

    .footer-inner {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 12px;
    }

    /* SMALL NOTE */
    .small-note {
      color: var(--muted);
      font-size: 0.9rem;
      margin-top: 12px;
    }

    /* Floating WhatsApp */
    .whatsapp-float {
      position: fixed;
      bottom: 20px;
      right: 20px;
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: #25D366;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: center;
      z-index: 1000;
    }

    .whatsapp-float img {
      width: 32px;
      height: 32px;
    }

    /* Responsive rules */
    @media (max-width:980px) {
      .container {
        padding: 20px;
      }

      .hero-inner {
        flex-direction: column-reverse;
        align-items: center;
        text-align: center;
      }

      .hero-right {
        width: 100%;
      }

      .nav {
        display: none;
        /* hidden by default on mobile */
      }

      /* when nav has class open it becomes visible */
      .nav.open {
        display: flex;
        position: absolute;
        top: 64px;
        right: 20px;
        flex-direction: column;
        gap: 8px;
        background: rgba(255, 255, 255, 0.98);
        padding: 12px;
        border-radius: 10px;
        box-shadow: var(--shadow);
        min-width: 180px;
      }

      .nav-toggle {
        display: block;
      }

      .header-inner {
        gap: 8px;
      }

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

      .activity-media img {
        max-width: 180px;
        width: 180px;
      }
    }

    /* Mobile */
    @media (max-width:600px) {
      :root {
        font-size: 15px;
      }

      .hero h1 {
        font-size: 1.4rem;
      }

      .worksheet-grid {
        gap: 12px;
      }

      /* NOTE: per request, worksheet rows remain two columns on mobile */
      .ws-row {
        grid-template-columns: repeat(2, 1fr);
      }

      /* stack ws-card on narrow screens for better readability */
      .ws-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .ws-card img {
        width: 100%;
        max-width: 280px;
      }

      .ws-card .ws-body {
        align-items: center;
      }

      /* Activity becomes one column on mobile */
      .activity-grid {
        grid-template-columns: 1fr;
      }

      .activity {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .activity-media img {
        max-width: 100%;
        width: 100%;
      }


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

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

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

      .header-inner {
        flex-direction: row;
        align-items: center;
      }
    }

    /* small improvements */
    figure {
      margin: 0;
    }

    img {
      display: block;
      max-width: 100%;
    }