/* ========== PUBLIC STYLES ========== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    }

    body {
      background-color: #ffffff;
      color: #1e2b3c;
      line-height: 1.5;
      overflow-x: hidden;
    }

    :root {
      --primary-dark: #0b1a2a;
      --primary-gold: #c9a959;
      --primary-gold-light: #d8bc7c;
      --gray-light: #f5f7fa;
      --gray-mid: #4a5568;
      --text-dark: #1e2b3c;
      --white: #ffffff;
      --border-light: #e2e8f0;
    }

    .container {
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* Sticky navigation */
    .sticky-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background-color: rgba(11, 26, 42, 0.95);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(201, 169, 89, 0.3);
      box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      padding: 12px 24px;
      max-width: 1400px;
      margin: 0 auto;
    }

    .logo a {
      font-size: 1.8rem;
      font-weight: 600;
      letter-spacing: 2px;
      color: var(--white);
      text-decoration: none;
      border-right: 2px solid var(--primary-gold);
      padding-right: 12px;
    }
    .logo span {
      font-size: 1rem;
      color: var(--primary-gold-light);
      font-weight: 300;
      margin-left: 8px;
    }

    .nav-menu {
      display: flex;
      gap: 2.2rem;
      list-style: none;
      flex-wrap: wrap;
    }
    .nav-menu a {
      color: #e0e0e0;
      text-decoration: none;
      font-weight: 500;
      font-size: 1rem;
      transition: color 0.3s;
      letter-spacing: 0.3px;
      padding: 6px 0;
      border-bottom: 2px solid transparent;
    }
    .nav-menu a:hover {
      color: var(--primary-gold);
      border-bottom-color: var(--primary-gold);
    }

    /* Footer base */
    .footer {
      background-color: var(--primary-dark);
      color: #cfd9e6;
      padding: 48px 0 24px;
      font-size: 0.95rem;
    }
    .footer .container {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1.2fr;
      gap: 40px;
    }
    .footer-logo h3 {
      color: white;
      font-size: 1.6rem;
      font-weight: 500;
      letter-spacing: 2px;
    }
    .footer-logo .copy {
      color: var(--primary-gold);
      font-size: 0.85rem;
      margin: 8px 0 16px;
    }
    .contact-phone {
      font-size: 1.4rem;
      color: white;
      font-weight: 500;
      margin: 12px 0;
    }
    .contact-phone i {
      color: var(--primary-gold);
      margin-right: 8px;
    }
    .footer-nav {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-nav a {
      color: #b0c0d0;
      text-decoration: none;
      transition: color 0.2s;
    }
    .footer-nav a:hover {
      color: var(--primary-gold);
    }
    .qr-placeholder {
      margin: 10px 0;
      background: #2a3a4a;
      width: 110px;
      height: 110px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      border: 1px solid var(--primary-gold);
    }
    .qr-placeholder img {
      width: 100%;
      height: auto;
      object-fit: contain;
      opacity: 0.9;
    }
    .footer-bottom {
      grid-column: 1 / -1;
      text-align: center;
      border-top: 1px solid #2b3f54;
      padding-top: 28px;
      margin-top: 28px;
      font-size: 0.85rem;
      color: #8899b0;
    }
    .footer-bottom a {
      color: #a0b8d0;
      text-decoration: none;
      margin: 0 8px;
    }
    /* Friend links (extra) remove blue & underline */
    .friend-links {
      margin-top: 20px;
    }
    .friend-links h4 {
      color: white;
      margin-bottom: 8px;
    }
    .friend-links a {
      color: #b0c0d0 !important;
      text-decoration: none !important;
      display: inline-block;
      margin-right: 16px;
      transition: color 0.2s;
    }
    .friend-links a:hover {
      color: var(--primary-gold) !important;
    }

    /* Section titles */
    .section-title {
      font-size: 2.2rem;
      font-weight: 500;
      color: var(--primary-dark);
      margin-bottom: 12px;
      letter-spacing: -0.5px;
    }
    .section-title span {
      color: var(--primary-gold);
      font-weight: 600;
    }
    .section-sub {
      color: var(--gray-mid);
      max-width: 700px;
      margin-bottom: 48px;
      font-size: 1.1rem;
    }

    /* Cards */
    .card {
      background: white;
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 10px 30px -5px rgba(0,20,40,0.1);
      transition: all 0.3s;
      border: 1px solid var(--border-light);
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 35px -8px rgba(11,26,42,0.15);
      border-color: var(--primary-gold);
    }

    .btn-outline-gold {
      background: transparent;
      border: 1.5px solid var(--primary-gold);
      color: var(--primary-gold);
      padding: 8px 22px;
      border-radius: 40px;
      font-weight: 600;
      cursor: default;
      display: inline-block;
    }

    /* Fade-in animation */
    .fade-section {
      opacity: 0;
      transform: translateY(30px);
      transition: opacity 0.8s cubic-bezier(0.2, 0.9, 0.3, 1), transform 0.8s ease;
    }
    .fade-section.in-view {
      opacity: 1;
      transform: translateY(0);
    }

    /* Advantage icons */
    .advantage-icon {
      width: 64px;
      height: 64px;
      background: rgba(201, 169, 89, 0.08);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-gold);
      font-size: 2rem;
      margin-bottom: 20px;
    }