/* ===== RESET & BASE ===== */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', -apple-system, 'Segoe UI', Roboto, sans-serif;
      background: #f0f4fc;
      color: #0b1a33;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 16px;
    }

    /* ===== BUTTONS ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: linear-gradient(135deg, #f5b042, #f7d44a);
      color: #0b1a33;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 0.95rem;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 8px 25px rgba(245, 176, 66, 0.35);
      text-align: center;
      width: 100%;
      max-width: 320px;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(245, 176, 66, 0.5);
    }

    .btn-glow {
      animation: glowPulse 2s infinite;
    }

    @keyframes glowPulse {
      0%, 100% { box-shadow: 0 0 20px rgba(245, 176, 66, 0.3); }
      50% { box-shadow: 0 0 40px rgba(245, 176, 66, 0.6); }
    }

    .btn-whatsapp {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      padding: 14px 28px;
      background: #25D366;
      color: #fff;
      font-weight: 700;
      font-size: 0.95rem;
      border-radius: 50px;
      text-decoration: none;
      border: none;
      cursor: pointer;
      transition: all 0.3s ease;
      box-shadow: 0 8px 25px rgba(37, 211, 102, 0.3);
      text-align: center;
      width: 100%;
      max-width: 320px;
    }

    .btn-whatsapp:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 35px rgba(37, 211, 102, 0.5);
      background: #128C7E;
    }

    /* ===== HERO ===== */
    .hero {
      background: linear-gradient(145deg, #0b1a33 0%, #1a2d4a 100%);
      color: #fff;
      padding: 30px 0 50px;
      position: relative;
      overflow: hidden;
      min-height: 100vh;
      display: flex;
      align-items: center;
    }

    .hero-shape {
      position: absolute;
      top: -40%;
      right: -10%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(245, 176, 66, 0.08) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .hero-content {
      text-align: left;
    }

    .hero-content h1 {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.1;
      margin-bottom: 6px;
      letter-spacing: -0.5px;
    }

    .hero-content h1 .highlight {
      background: linear-gradient(135deg, #f5b042, #f7d44a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .hero-subtitle {
      font-weight: 600;
      color: #f5b042;
      font-size: 1.1rem;
      margin-bottom: 8px;
    }

    .hero-desc {
      font-size: 0.95rem;
      color: #b0c4de;
      max-width: 480px;
      margin-bottom: 16px;
      line-height: 1.7;
    }

    /* Stats */
    .hero-stats {
      display: flex;
      gap: 20px;
      margin-bottom: 20px;
      flex-wrap: wrap;
    }

    .hero-stats div {
      display: flex;
      flex-direction: column;
      font-size: 0.8rem;
      color: #b0c4de;
    }

    .hero-stats div span {
      font-size: 1.1rem;
      font-weight: 700;
      color: #f5b042;
    }

    /* CTA */
    .hero-cta {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 14px;
    }

    .hero-cta .btn-primary,
    .hero-cta .btn-whatsapp {
      width: auto;
      min-width: 180px;
      padding: 12px 24px;
      font-size: 0.9rem;
    }

    .hero-meta {
      color: #8899bb;
      font-size: 0.78rem;
      letter-spacing: 0.3px;
    }

    .share-invite {
      margin-top: 10px;
      font-size: 0.82rem;
      color: #7a8aaa;
      font-style: italic;
    }

    .share-invite i {
      color: #f5b042;
      margin-right: 4px;
    }

    /* Hero Visual */
    .hero-visual {
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .visual-card {
      max-width: 100%;
      width: 380px;
      height: auto;
      border-radius: 20px;
      box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
      border: 1px solid rgba(255, 255, 255, 0.08);
      transition: transform 0.3s ease;
      display: block;
    }

    .visual-card:hover {
      transform: scale(1.02);
    }

    /* ===== INFO SECTION ===== */
    .info-section {
      margin-top: -40px;
      position: relative;
      z-index: 10;
      padding-bottom: 30px;
    }

    .info-card {
      background: #fff;
      border-radius: 24px;
      padding: 28px 24px;
      box-shadow: 0 20px 50px rgba(11, 26, 51, 0.12);
      text-align: center;
    }

    .info-card h2 {
      font-size: 1.4rem;
      margin-bottom: 18px;
      color: #0b1a33;
    }

    .info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 12px;
      margin-bottom: 18px;
    }

    .info-grid div {
      padding: 10px;
      background: #f8faff;
      border-radius: 12px;
      font-size: 0.85rem;
      color: #1a2d4a;
    }

    .info-grid div i {
      color: #f5b042;
      margin-right: 4px;
    }

    .info-card .btn-primary {
      width: auto;
      max-width: 280px;
      margin: 0 auto;
    }

    /* ===== WHO SHOULD ATTEND ===== */
    .who-attend {
      padding: 50px 0;
      background: #fff;
      text-align: center;
    }

    .who-attend h2 {
      font-size: 1.8rem;
      margin-bottom: 8px;
      color: #0b1a33;
    }

    .who-attend .subhead {
      color: #5a6a8a;
      margin-bottom: 28px;
      font-size: 0.95rem;
    }

    .attend-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 14px;
      max-width: 800px;
      margin: 0 auto;
    }

    .attend-card {
      background: #f8faff;
      padding: 18px 12px;
      border-radius: 16px;
      border: 1px solid #e8edf5;
      transition: all 0.3s;
    }

    .attend-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    }

    .attend-card i {
      font-size: 1.6rem;
      color: #f5b042;
      margin-bottom: 6px;
    }

    .attend-card h3 {
      font-size: 0.9rem;
      color: #0b1a33;
    }

    .attend-card p {
      font-size: 0.78rem;
      color: #5a6a8a;
    }

    /* ===== WHY ATTEND ===== */
    .why-attend {
      padding: 50px 0;
      background: #0b1a33;
      color: #fff;
      text-align: center;
    }

    .why-attend h2 {
      font-size: 1.8rem;
      margin-bottom: 8px;
      color: #f5b042;
    }

    .why-attend .subhead {
      color: #b0c4de;
      margin-bottom: 28px;
      font-size: 0.95rem;
    }

    .why-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 14px;
      max-width: 900px;
      margin: 0 auto;
    }

    .why-card {
      background: rgba(255, 255, 255, 0.06);
      padding: 16px 12px;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, 0.06);
      transition: all 0.3s;
    }

    .why-card:hover {
      background: rgba(245, 176, 66, 0.08);
      border-color: rgba(245, 176, 66, 0.2);
    }

    .why-card i {
      color: #f5b042;
      font-size: 1.3rem;
      margin-bottom: 6px;
    }

    .why-card h4 {
      font-size: 0.9rem;
      margin-bottom: 4px;
    }

    .why-card p {
      font-size: 0.8rem;
      color: #b0c4de;
    }

    /* ===== KEY TAKEAWAY ===== */
    .takeaway-section {
      padding: 50px 0;
      background: #f8faff;
      text-align: center;
    }

    .takeaway-box {
      max-width: 750px;
      margin: 0 auto;
      background: #fff;
      padding: 30px 24px;
      border-radius: 20px;
      border-left: 6px solid #f5b042;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    }

    .takeaway-box i {
      font-size: 2.2rem;
      color: #f5b042;
      margin-bottom: 8px;
    }

    .takeaway-box h2 {
      font-size: 1.4rem;
      color: #0b1a33;
      margin-bottom: 8px;
    }

    .takeaway-box p {
      font-size: 1.1rem;
      color: #1a2d4a;
      font-style: italic;
      font-weight: 500;
      line-height: 1.6;
    }

    .takeaway-box .tagline {
      margin-top: 10px;
      font-size: 1rem;
      color: #f5b042;
      font-weight: 700;
      font-style: normal;
    }

    /* ===== FAQ ===== */
    .faq {
      padding: 50px 0;
      background: #fff;
      text-align: center;
    }

    .faq h2 {
      font-size: 1.8rem;
      margin-bottom: 24px;
      color: #0b1a33;
    }

    .faq-accordion {
      max-width: 700px;
      margin: 0 auto;
      text-align: left;
    }

    .faq-item {
      border-bottom: 1px solid #e8edf5;
      padding: 2px 0;
    }

    .faq-question {
      width: 100%;
      background: none;
      border: none;
      padding: 14px 0;
      font-size: 0.9rem;
      font-weight: 600;
      color: #0b1a33;
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      text-align: left;
      transition: color 0.3s;
    }

    .faq-question:hover {
      color: #f5b042;
    }

    .faq-question i {
      transition: transform 0.3s;
      flex-shrink: 0;
      margin-left: 12px;
    }

    .faq-item.active .faq-question i {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s ease;
      padding: 0;
    }

    .faq-item.active .faq-answer {
      max-height: 150px;
      padding: 0 0 14px 0;
    }

    .faq-answer p {
      color: #4a5a7a;
      font-size: 0.88rem;
    }

    /* ===== FINAL CTA ===== */
    .final-cta {
      padding: 50px 0;
      background: linear-gradient(145deg, #0b1a33, #1a2d4a);
      color: #fff;
      text-align: center;
    }

    .final-cta h2 {
      font-size: 1.8rem;
      margin-bottom: 6px;
    }

    .final-cta .big {
      font-size: 1.8rem;
      font-weight: 800;
      background: linear-gradient(135deg, #f5b042, #f7d44a);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      margin: 6px 0 14px;
    }

    .final-cta p {
      max-width: 500px;
      margin: 0 auto 18px;
      color: #b0c4de;
      font-size: 0.95rem;
    }

    .final-cta .btn-primary {
      width: auto;
      max-width: 320px;
      margin: 0 auto;
    }

    /* ===== REGISTER ===== */
    .register {
      padding: 40px 0;
      background: #f8faff;
    }

    .register-box {
      max-width: 520px;
      margin: 0 auto;
      background: #fff;
      padding: 24px 20px;
      border-radius: 24px;
      box-shadow: 0 20px 50px rgba(11, 26, 51, 0.08);
    }

    .register-box h2 {
      text-align: center;
      font-size: 1.5rem;
      margin-bottom: 16px;
      color: #0b1a33;
    }

    .form-group {
      margin-bottom: 12px;
    }

    .form-group label {
      display: block;
      font-weight: 600;
      font-size: 0.8rem;
      color: #1a2d4a;
      margin-bottom: 2px;
    }

    .form-group input,
    .form-group select {
      width: 100%;
      padding: 10px 14px;
      border: 1px solid #dce4f0;
      border-radius: 10px;
      font-size: 0.9rem;
      background: #fafcff;
      transition: border 0.3s;
      -webkit-appearance: none;
      appearance: none;
    }

    .form-group input:focus,
    .form-group select:focus {
      outline: none;
      border-color: #f5b042;
      box-shadow: 0 0 0 3px rgba(245, 176, 66, 0.1);
    }

    .register-box .btn-primary {
      width: 100%;
      max-width: 100%;
    }

    /* ===== FOOTER ===== */
    footer {
      background: #0b1a33;
      color: #8899bb;
      padding: 24px 0 16px;
      text-align: center;
    }

    .footer-logo {
      font-size: 1.2rem;
      font-weight: 800;
      color: #f5b042;
      margin-bottom: 4px;
    }

    footer p {
      font-size: 0.82rem;
      margin: 4px 0;
    }

    /* ===== BACK TO TOP ===== */
    .back-to-top {
      position: fixed;
      bottom: 80px;
      right: 16px;
      background: #0b1a33;
      color: #f5b042;
      border: none;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      font-size: 1.1rem;
      cursor: pointer;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
      transition: all 0.3s;
      z-index: 998;
      display: none;
    }

    .back-to-top:hover {
      background: #f5b042;
      color: #0b1a33;
      transform: translateY(-3px);
    }

    /* =========================================================
       FLOATING CTA - MOBILE OPTIMIZED
    ========================================================= */
    .floating-cta {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      display: none;
      align-items: center;
      justify-content: center;
      width: max-content;
      max-width: 94vw;
      padding: 4px;
      background: rgba(8, 20, 42, 0.96);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 50px;
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      box-shadow: 0 15px 45px rgba(0, 0, 0, 0.45);
      z-index: 99999;
      overflow: hidden;
      animation: floatingCtaIn 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .floating-cta::before {
      content: "";
      position: absolute;
      inset: -2px;
      border-radius: inherit;
      background: linear-gradient(90deg, rgba(37, 211, 102, 0.25), rgba(245, 176, 66, 0.25));
      filter: blur(12px);
      opacity: 0;
      z-index: -1;
      transition: opacity 0.35s ease;
    }

    .floating-cta:hover::before {
      opacity: 1;
    }

    .floating-divider {
      width: 1px;
      height: 28px;
      flex-shrink: 0;
      background: rgba(255, 255, 255, 0.12);
    }

    .floating-btn {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      min-height: 40px;
      padding: 0 16px;
      border: 0;
      outline: none;
      color: #ffffff;
      text-decoration: none;
      font-family: inherit;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.2px;
      white-space: nowrap;
      cursor: pointer;
      overflow: hidden;
      transition: transform 0.25s ease, box-shadow 0.25s ease, filter 0.25s ease;
    }

    .floating-btn i {
      position: relative;
      z-index: 2;
      font-size: 14px;
      transition: transform 0.25s ease;
    }

    /* Shine effect */
    .floating-btn::before {
      content: "";
      position: absolute;
      top: 0;
      left: -120%;
      width: 70%;
      height: 100%;
      background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.2), transparent);
      transform: skewX(-20deg);
      transition: left 0.6s ease;
      z-index: 1;
    }

    .floating-btn:hover::before {
      left: 140%;
    }

    .floating-btn-primary {
      background: linear-gradient(135deg, #f5b042 0%, #f8ca48 55%, #f7d44a 100%);
      color: #08152d;
      border-radius: 50px 0 0 50px;
      box-shadow: 0 5px 18px rgba(245, 176, 66, 0.25);
    }

    .floating-btn-primary:hover {
      transform: translateY(-2px);
      filter: brightness(1.06);
      box-shadow: 0 8px 30px rgba(245, 176, 66, 0.45);
    }

    .floating-btn-primary:hover i {
      transform: scale(1.15) rotate(5deg);
    }

    .floating-btn-whatsapp {
      background: linear-gradient(135deg, #25D366 0%, #20bd5a 55%, #128C7E 100%);
      color: #ffffff;
      border-radius: 0 50px 50px 0;
      box-shadow: 0 5px 18px rgba(37, 211, 102, 0.2);
    }

    .floating-btn-whatsapp:hover {
      transform: translateY(-2px);
      filter: brightness(1.08);
      box-shadow: 0 8px 28px rgba(37, 211, 102, 0.4);
    }

    .floating-btn-whatsapp:hover i {
      transform: scale(1.15) rotate(-5deg);
    }

    .floating-btn:active {
      transform: scale(0.96);
    }

    @keyframes floatingCtaIn {
      0% {
        opacity: 0;
        transform: translateX(-50%) translateY(30px) scale(0.92);
      }
      70% {
        opacity: 1;
        transform: translateX(-50%) translateY(-3px) scale(1.02);
      }
      100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) scale(1);
      }
    }

    /* =========================================================
       RESPONSIVE BREAKPOINTS
    ========================================================= */

    /* Tablets & Small Laptops */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
      }

      .hero-content {
        text-align: center;
      }

      .hero-content h1 {
        font-size: 2.4rem;
      }

      .hero-desc {
        margin: 0 auto 14px;
        max-width: 100%;
      }

      .hero-stats {
        justify-content: center;
      }

      .hero-cta {
        justify-content: center;
      }

      .hero-cta .btn-primary,
      .hero-cta .btn-whatsapp {
        min-width: 200px;
      }

      .visual-card {
        width: 320px;
      }
    }

    /* Mobile Portrait & Small Tablets */
    @media (max-width: 768px) {
      .hero {
        padding: 25px 0 40px;
        min-height: auto;
      }

      .hero-content h1 {
        font-size: 2rem;
      }

      .hero-subtitle {
        font-size: 1rem;
      }

      .hero-desc {
        font-size: 0.9rem;
      }

      .hero-stats {
        gap: 14px;
      }

      .hero-stats div span {
        font-size: 1rem;
      }

      .hero-stats div {
        font-size: 0.75rem;
      }

      .hero-cta {
        flex-direction: column;
        align-items: center;
        width: 100%;
      }

      .hero-cta .btn-primary,
      .hero-cta .btn-whatsapp {
        width: 100%;
        max-width: 300px;
        min-width: unset;
        padding: 12px 20px;
        font-size: 0.9rem;
      }

      .visual-card {
        width: 260px;
      }

      .info-card {
        padding: 20px 16px;
      }

      .info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      .info-card h2 {
        font-size: 1.2rem;
      }

      .who-attend h2,
      .why-attend h2,
      .faq h2 {
        font-size: 1.5rem;
      }

      .attend-grid,
      .why-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
      }

      .attend-card {
        padding: 14px 10px;
      }

      .attend-card i {
        font-size: 1.4rem;
      }

      .attend-card h3 {
        font-size: 0.85rem;
      }

      .why-card {
        padding: 14px 10px;
      }

      .why-card h4 {
        font-size: 0.85rem;
      }

      .takeaway-box {
        padding: 22px 16px;
      }

      .takeaway-box p {
        font-size: 1rem;
      }

      .final-cta h2 {
        font-size: 1.5rem;
      }

      .final-cta .big {
        font-size: 1.4rem;
      }

      .final-cta p {
        font-size: 0.9rem;
        padding: 0 10px;
      }

      .register-box {
        padding: 18px 16px;
      }

      .register-box h2 {
        font-size: 1.3rem;
      }

      .floating-cta {
        bottom: 14px;
        padding: 3px;
        border-radius: 45px;
      }

      .floating-divider {
        height: 24px;
      }

      .floating-btn {
        min-height: 36px;
        padding: 0 12px;
        font-size: 11px;
        gap: 5px;
      }

      .floating-btn i {
        font-size: 13px;
      }

      .back-to-top {
        bottom: 72px;
        right: 12px;
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
      }
    }

    /* Mobile Small */
    @media (max-width: 480px) {
      .hero-content h1 {
        font-size: 1.7rem;
      }

      .hero-subtitle {
        font-size: 0.9rem;
      }

      .hero-desc {
        font-size: 0.85rem;
      }

      .hero-stats div span {
        font-size: 0.9rem;
      }

      .hero-stats div {
        font-size: 0.7rem;
      }

      .hero-cta .btn-primary,
      .hero-cta .btn-whatsapp {
        max-width: 100%;
        padding: 10px 16px;
        font-size: 0.85rem;
      }

      .visual-card {
        width: 200px;
      }

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

      .attend-grid,
      .why-grid {
        grid-template-columns: 1fr;
      }

      .attend-card {
        padding: 12px 10px;
      }

      .why-card {
        padding: 12px 10px;
      }

      .takeaway-box p {
        font-size: 0.9rem;
      }

      .takeaway-box .tagline {
        font-size: 0.9rem;
      }

      .final-cta h2 {
        font-size: 1.3rem;
      }

      .final-cta .big {
        font-size: 1.2rem;
      }

      .final-cta .btn-primary {
        max-width: 100%;
        padding: 12px 20px;
        font-size: 0.9rem;
      }

      .register-box {
        padding: 14px 12px;
      }

      .form-group input,
      .form-group select {
        padding: 8px 12px;
        font-size: 0.85rem;
      }

      .floating-cta {
        bottom: 10px;
        padding: 2px;
        border-radius: 35px;
        max-width: 96vw;
      }

      .floating-divider {
        height: 20px;
      }

      .floating-btn {
        min-height: 32px;
        padding: 0 10px;
        font-size: 9px;
        gap: 4px;
      }

      .floating-btn i {
        font-size: 11px;
      }

      .back-to-top {
        bottom: 62px;
        right: 10px;
        width: 32px;
        height: 32px;
        font-size: 0.8rem;
      }
    }

    /* Very Small Mobile */
    @media (max-width: 360px) {
      .hero-content h1 {
        font-size: 1.4rem;
      }

      .hero-stats {
        gap: 10px;
      }

      .hero-stats div span {
        font-size: 0.8rem;
      }

      .hero-stats div {
        font-size: 0.65rem;
      }

      .visual-card {
        width: 170px;
      }

      .floating-btn {
        min-height: 28px;
        padding: 0 8px;
        font-size: 8px;
        gap: 3px;
      }

      .floating-btn i {
        font-size: 9px;
      }

      .floating-divider {
        height: 16px;
      }

      .floating-cta {
        padding: 2px;
        bottom: 8px;
        border-radius: 30px;
      }
    }

    /* Reduce Motion */
    @media (prefers-reduced-motion: reduce) {
      .floating-cta {
        animation: none;
      }

      .floating-btn,
      .floating-btn i,
      .floating-btn::before {
        transition: none;
      }

      .btn-glow {
        animation: none;
      }
    }