 :root {
    --offer-accent: #02b293;
    --offer-accent-soft: #e0fbf5;
    --offer-text-main: #0f172a;
    --offer-text-muted: #6b7280;
    --offer-bg: #f3f4f6;
  }

  .offer-detail-page {
    font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top left, #e0f2fe, #f3f4f6 40%, #fef3c7);
    padding: 96px 16px 72px;
  }
  .offer-detail-container {
    max-width: 1120px;
    margin: 0 auto;
  }

  .offer-detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 16px;
  }
  .offer-detail-header-main h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--offer-text-main);
    margin-bottom: 4px;
  }
  .offer-detail-header-main p {
    font-size: 14px;
    color: var(--offer-text-muted);
  }

  .offer-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    color: #047857;
    font-size: 12px;
    font-weight: 500;
  }
  .offer-badge i {
    font-size: 16px;
  }

  .offer-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 26px;
    align-items: flex-start;
  }

  .offer-hero {
    background: #ffffff;
    border-radius: 22px;
    box-shadow: 0 20px 48px rgba(15,23,42,0.18);
    overflow: hidden;
  }
  .offer-hero-img-wrap {
    position: relative;
    overflow: hidden;
  }
  .offer-hero-img-wrap img {
    width: 100%;
    height: 260px;
    object-fit: cover;
    display: block;
  }
  .offer-hero-img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15,23,42,0.25), rgba(15,23,42,0.75));
    opacity: .9;
  }
  .offer-hero-img-text {
    position: absolute;
    inset: 0;
    padding: 16px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #f9fafb;
    text-shadow: 0 1px 4px rgba(15,23,42,0.9);
  }
  .offer-hero-tagline {
    font-size: 13px;
    opacity: 0.92;
  }
  .offer-hero-title {
    font-size: 20px;
    font-weight: 700;
  }

  .offer-hero-body {
    padding: 16px 18px 18px;
  }
  .offer-highlight {
    padding: 10px 12px;
    border-radius: 12px;
    background: #f9fafb;
    border: 1px dashed #e5e7eb;
    font-size: 13px;
    color: var(--offer-text-muted);
    margin-bottom: 10px;
  }

  .offer-meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 6px;
    font-size: 12px;
    color: var(--offer-text-muted);
  }
  .offer-meta-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 9px;
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
  }
  .offer-meta-pill i {
    font-size: 15px;
  }

  .offer-book-cta {
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .offer-btn-primary,
  .offer-btn-ghost {
    border-radius: 999px;
    padding: 9px 16px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    cursor: pointer;
    transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease, color .15s ease;
  }
  .offer-btn-primary {
    background: var(--offer-accent);
    color: #022c22;
    border-color: #34d399;
    box-shadow: 0 16px 32px rgba(16,185,129,0.45);
  }
  .offer-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 20px 40px rgba(16,185,129,0.6);
  }
  .offer-btn-ghost {
    background: #ffffff;
    color: var(--offer-text-main);
    border-color: #e5e7eb;
  }
  .offer-btn-ghost:hover {
    background: #f9fafb;
  }
  .offer-btn-primary i,
  .offer-btn-ghost i {
    font-size: 16px;
  }

  .offer-detail-info {
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 18px 40px rgba(15,23,42,0.12);
    padding: 18px 18px 20px;
  }
  .offer-detail-info h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--offer-text-main);
    margin-bottom: 4px;
  }
  .offer-detail-info p {
    font-size: 13px;
    color: var(--offer-text-muted);
    line-height: 1.7;
    margin-bottom: 8px;
  }
  .offer-detail-info ul {
    padding-left: 18px;
    margin: 4px 0 10px;
  }
  .offer-detail-info li {
    font-size: 13px;
    color: var(--offer-text-muted);
    line-height: 1.6;
    margin-bottom: 4px;
  }

  .offer-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--offer-text-muted);
    text-decoration: none;
    margin-bottom: 14px;
  }
  .offer-back-link i {
    font-size: 18px;
  }
  .offer-back-link:hover {
    color: var(--offer-accent);
  }

  /* 404 style sederhana */
  .offer-not-found {
    background:#fff;
    border-radius:20px;
    padding:24px 20px;
    box-shadow:0 18px 40px rgba(15,23,42,0.16);
    text-align:center;
  }
  .offer-not-found h1 {
    font-size:22px;
    margin-bottom:8px;
    color:var(--offer-text-main);
  }
  .offer-not-found p {
    font-size:13px;
    color:var(--offer-text-muted);
    margin-bottom:12px;
  }

  /* Responsive */
  @media (max-width: 960px) {
    .offer-detail-layout {
      grid-template-columns: minmax(0, 1fr);
    }
  }
  @media (max-width: 640px) {
    .offer-detail-page {
      padding: 80px 14px 60px;
    }
    .offer-detail-header-main h1 {
      font-size: 22px;
    }
    .offer-hero-img-wrap img {
      height: 230px;
    }
  }
  .site-header{
    backdrop-filter: blur(50px);
  }
  .site-header a{
    color: black;
  }