:root {
      --primary-brown: #5C4033;
      --accent-gold: #C59B27;
      --dark-earth: #3D2B1F;
      --footer-bg: #432E22;
      --bg-cream: #FAF7F2;
      --bg-soft-card: #F5EFE6;
      --border-color: #E6DFD5;
      --text-muted-custom: #7A6E65;
      --font-serif: 'Source Serif 4', serif;
      --font-sans: 'Plus Jakarta Sans', sans-serif;
    }

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

    body {
      font-family: var(--font-sans);
      font-weight: 400;
      font-size: 16px;
      line-height: 1.6;
      background-color: var(--bg-cream);
      color: var(--dark-earth);
      overflow-x: hidden;
      width: 100%;
    }

    h1, h2, h3, h4, h5, h6, .brand-text {
      font-family: var(--font-serif);
      font-weight: 700;
    }

    /* ----- navbar (glass) ----- */
    .navbar {
      background: rgba(250, 247, 242, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      padding: 12px 0;
      border-bottom: 1px solid rgba(230, 223, 213, 0.6);
      transition: all 0.2s;
    }

    .navbar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }

    .logo-img {
      width: 38px;
      height: 38px;
      border-radius: 50%;
      object-fit: cover;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    }

    .brand-text {
      font-size: 1.3rem;
      color: var(--dark-earth);
      line-height: 1;
    }

    .nav-link {
      color: var(--dark-earth);
      font-weight: 500;
      font-size: 0.92rem;
      margin: 0 8px;
      position: relative;
      transition: color 0.2s;
      white-space: nowrap;
    }

    .nav-link:hover, .nav-link.active {
      color: var(--accent-gold);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      width: 0;
      height: 2px;
      bottom: -4px;
      left: 50%;
      background-color: var(--accent-gold);
      transition: all 0.3s ease;
      transform: translateX(-50%);
    }

    .nav-link:hover::after, .nav-link.active::after {
      width: 70%;
    }

    .btn-register {
      background-color: var(--primary-brown);
      color: #FFF;
      border-radius: 30px;
      padding: 8px 24px;
      font-size: 0.88rem;
      font-weight: 600;
      border: none;
      box-shadow: 0 4px 12px rgba(92, 64, 51, 0.2);
      transition: all 0.25s;
    }

    .btn-register:hover {
      background-color: var(--dark-earth);
      color: #FFF;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(61, 43, 31, 0.3);
    }

    .badge-sub {
      text-transform: uppercase;
      font-size: 0.72rem;
      letter-spacing: 2.2px;
      font-weight: 700;
      color: var(--accent-gold);
      margin-bottom: 10px;
      display: block;
    }

    /* hero */
    .hero-banner {
      height: 440px;
      position: relative;
      background: linear-gradient(180deg, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.6) 100%),
                  url('https://images.unsplash.com/photo-1464822759023-fed622ff2c3b?q=80&w=1920&auto=format&fit=crop') center/cover no-repeat;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #FFFFFF;
      padding: 0 1rem;
    }

    .hero-banner h1 {
      font-size: 2.6rem;
      margin-bottom: 14px;
      letter-spacing: -0.3px;
    }

    .hero-banner p {
      max-width: 640px;
      font-size: 1.05rem;
      opacity: 0.92;
      font-weight: 300;
      margin-left: auto;
      margin-right: auto;
    }

    /* info cards */
    .info-card {
      background: #FFFFFF;
      border-radius: 20px;
      padding: 32px 24px;
      border: 1px solid var(--border-color);
      height: 100%;
      transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
      box-shadow: 0 4px 14px rgba(0,0,0,0.02);
    }

    .info-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 30px rgba(0,0,0,0.06);
    }

    .card-icon {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(197, 155, 39, 0.12);
      color: var(--accent-gold);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      margin-bottom: 18px;
    }

    /* stats */
    .stats-banner {
      background: var(--bg-soft-card);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }

    .stat-number {
      font-family: var(--font-serif);
      font-size: 2.3rem;
      font-weight: 700;
      color: var(--dark-earth);
      line-height: 1.1;
      margin-top: 6px;
    }

    .stat-label {
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 1.6px;
      color: var(--text-muted-custom);
      font-weight: 600;
      margin-top: 4px;
    }

    /* team */
    .team-card {
      background: #FFFFFF;
      border-radius: 20px;
      border: 1px solid var(--border-color);
      padding: 24px 16px;
      text-align: center;
      height: 100%;
      transition: all 0.3s ease;
    }

    .team-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 12px 28px rgba(0,0,0,0.06);
    }

    .team-avatar {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      object-fit: cover;
      object-position: top;
      margin: 0 auto 16px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    }

    .partner-item {
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--text-muted-custom);
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      flex-wrap: wrap;
    }

    /* newsletter */
    .newsletter-card {
      background: linear-gradient(135deg, #625244 0%, #432E22 100%);
      color: #FFFFFF;
      border-radius: 24px;
      padding: 40px 36px;
      box-shadow: 0 15px 35px rgba(67, 46, 34, 0.15);
    }

    .btn-gold {
      background-color: var(--accent-gold);
      color: #FFFFFF;
      border-radius: 30px;
      padding: 12px 28px;
      font-weight: 600;
      font-size: 0.9rem;
      border: none;
      transition: all 0.25s;
    }

    .btn-gold:hover {
      background-color: #d8aa2d;
      color: #FFFFFF;
      box-shadow: 0 4px 12px rgba(197, 155, 39, 0.3);
    }

    .section-wave-bg {
      background: radial-gradient(circle at 50% 0%, #F3ECE1 0%, #FAF7F2 80%);
    }

    /* footer */
    footer {
      background-color: var(--footer-bg);
      color: #E6DFD5;
    }

    footer h6 {
      color: #FFFFFF;
      font-size: 0.8rem;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 18px;
      font-family: var(--font-sans);
      font-weight: 600;
    }

    footer ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    footer ul li {
      margin-bottom: 10px;
    }

    footer ul li a {
      color: #C2B6A9;
      text-decoration: none;
      font-size: 0.88rem;
      transition: color 0.2s;
    }

    footer ul li a:hover {
      color: #FFFFFF;
    }

    .social-btn {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: rgba(255,255,255,0.08);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #FFF;
      margin-right: 6px;
      font-size: 0.8rem;
      transition: all 0.25s;
      text-decoration: none;
    }

    .social-btn:hover {
      background: var(--accent-gold);
      color: #FFF;
      transform: translateY(-2px);
    }

    /* responsive */
    @media (max-width: 991px) {
      .hero-banner { height: 380px; }
      .hero-banner h1 { font-size: 2.2rem; }
      .newsletter-card { padding: 32px; }
    }

    @media (max-width: 768px) {
      .hero-banner { height: 340px;}
      .hero-banner h1 { font-size: 1.9rem; }
      .stat-number { font-size: 1.8rem; }
      .newsletter-card { padding: 24px; text-align: center; }
      .btn-gold { width: 100%; margin-top: 10px; }
      .navbar .container { padding-left: 16px; padding-right: 16px; }
      .nav-link { margin: 0 4px; font-size: 0.85rem; }
      .btn-register { padding: 6px 18px; font-size: 0.8rem; }
    }

    @media (max-width: 576px) {
      .hero-banner h1 { font-size: 1.6rem; }
      .hero-banner p { font-size: 0.95rem; }
      .info-card { padding: 24px 18px; }
      .team-avatar { width: 70px; height: 70px; }
      .newsletter-card { padding: 20px; }
    }

    /* small helper */
    .object-fit-cover { object-fit: cover; }