    :root {
      --midnight: #0B2C47;
      --forest: #1F4D2E;
      --wheat: #D4A017;
      --charcoal: #333333;
      --offwhite: #F7F7F5;
      --beige: #F3EEE6;
      --white: #FFFFFF;
      --shadow: rgba(0, 0, 0, 0.25);
    }

    /* Reset and base styles */
    *, *::before, *::after { box-sizing: border-box; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: "Source Sans 3", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
      color: var(--charcoal);
      background: var(--white);
      line-height: 1.55;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button { font: inherit; cursor: pointer; }

    .container { width: min(1200px, 92vw); margin: 0 auto; }

    /* Header and navigation */
    header.header {
      position: fixed;
      inset: 0 0 auto 0;
      z-index: 50;
      transition: background-color 200ms ease, box-shadow 200ms ease, backdrop-filter 200ms ease;
      background-color: rgba(11, 44, 71, 0.5);
      -webkit-backdrop-filter: saturate(140%) blur(6px);
      backdrop-filter: saturate(140%) blur(6px);
    }
    header.header.scrolled {
      background-color: var(--midnight);
      -webkit-backdrop-filter: none;
      backdrop-filter: none;
      box-shadow: 0 4px 14px rgba(0,0,0,0.25);
    }
    .nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }

    .brand { display: flex; align-items: center; gap: 10px; color: var(--white); }
    .brand .logo { width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, var(--wheat), #f7d97a); box-shadow: inset 0 0 0 2px rgba(255,255,255,0.3); }
    .brand .name { font-family: Montserrat, sans-serif; font-weight: 800; letter-spacing: 0.3px; }

    .nav-links { display: none; gap: 26px; align-items: center; }
    .nav-links a { color: var(--white); position: relative; font-weight: 600; }
    .nav-links a::after {
      content: "";
      position: absolute;
      left: 0; right: 0; bottom: -6px; height: 2px;
      background: rgba(255,255,255,0.0);
      transition: background 200ms ease, box-shadow 200ms ease;
      border-radius: 2px;
    }
    .nav-links a:hover { text-shadow: 0 0 8px rgba(255,255,255,0.35); }
    .nav-links a:hover::after { background: rgba(255,255,255,0.75); box-shadow: 0 0 16px rgba(255,255,255,0.5); }

    .cta-btn {
      padding: 12px 18px;
      background: var(--forest);
      color: var(--white);
      border-radius: 12px;
      border: none;
      font-family: Montserrat, sans-serif;
      font-weight: 600;
      transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
      box-shadow: 0 8px 20px rgba(31, 77, 46, 0.35);
      will-change: transform;
    }
    .cta-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 26px rgba(31, 77, 46, 0.45); }
    /* Micro-interaction on click */
    .cta-btn:active {
      transform: scale(0.98);
      background: #193e24;
      box-shadow: 0 4px 10px rgba(31, 77, 46, 0.35);
      transition: transform 100ms ease, box-shadow 100ms ease, background 100ms ease;
    }


  
    .hero { position: relative; min-height: 88vh; display: block; color: var(--white); overflow: hidden; }
    .hero img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      z-index: -2;
      transform: translateY(0);
      transition: transform 0.2s linear; /* Parallax effect */
    }
    .hero::before { content: ""; position: absolute; inset: 0; background: rgba(11, 44, 71, 0.6); z-index: -1; }
    
    /* Hero container for positioning */
    .hero-container {
      position: relative;
      min-height: 88vh;
      width: 100%;
      display: flex;
      flex-direction: column;
      justify-content: end;
      padding-bottom: 0; /* Space at the bottom */
    }
    
    .hero-content { 
      position: relative;
      
      -webkit-backdrop-filter: blur(6px);
      backdrop-filter: blur(6px);
      padding: 25px 30px;
      border-radius: 16px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);

    }
    
    .hero h1 { 
      font-family: Montserrat, sans-serif; 
      font-weight: 800; 
      font-size: clamp(26px, 4.5vw, 48px); 
      line-height: 1.15;
       margin: 0 0 16px; 
       text-shadow: 0 4px 20px rgba(0,0,0,0.4);
      }
    .hero p.sub { 
      font-size: clamp(16px, 2.2vw, 20px);
      max-width: 100%;
      margin: 0 0 26px;
      opacity: 0.95; 
    }
    
    /* Responsive adjustments for mobile */
    @media (max-width: 768px) {
        
      .hero-content {
        max-width: 100%; /* Full width on mobile */
        padding: 25px 20px;
      }
      
      .hero h1 {
        font-size: clamp(24px, 7vw, 32px);
      }
      
      .btn-row {
        flex-direction: column;
        gap: 12px;
      }
      
      .btn-row a {
        width: 100%; /* Full width buttons on mobile */
        text-align: center;
      }
    }

    .btn-row { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
    .btn-ghost {
      padding: 12px 18px;
      border-radius: 12px;
      border: 1px solid var(--white);
      color: var(--white);
      background: transparent;
      font-family: Montserrat, sans-serif;
      font-weight: 600;
      transition: background 160ms ease, color 160ms ease, transform 120ms ease, box-shadow 120ms ease;
    }
    .btn-ghost:hover { background: var(--white); color: var(--midnight); transform: translateY(-2px); box-shadow: 0 10px 22px rgba(0,0,0,0.25); }
    .btn-ghost:active {
      transform: scale(0.98);
      background: rgba(255,255,255,0.9);
      color: var(--midnight);
      box-shadow: 0 4px 10px rgba(0,0,0,0.15);
      transition: transform 100ms ease, background 100ms ease, box-shadow 100ms ease;
    }

    /* Social proof */
    .partners { background: var(--offwhite); padding: 28px 0; }
    .partners .title { text-align: center; font-weight: 700; color: var(--midnight); letter-spacing: 0.2px; margin-bottom: 18px; }
    .logo-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; align-items: center; }
    @media (min-width: 700px) { .logo-row { grid-template-columns: repeat(5, minmax(0, 1fr)); } }
    .partners .logo {
      height: 100%;
      width: 100%;
      max-width: 140px;
      filter: grayscale(100%);
      opacity: 0.85;
      transition: filter 180ms ease, opacity 180ms ease, transform 180ms ease;
      display: grid;
      place-items: center;
      background: white;
      border-radius: 12px;
      padding: 14px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.06);
      overflow: hidden;
    }
    /* Micro-interaction scale on hover */
    .partners .logo:hover {
      filter: grayscale(0%);
      opacity: 1;
      transform: translateY(-2px) scale(1.02);
    }
    .partners .logo img {
      max-height: 100%;
      max-width: 100%;
      object-fit: contain;
      display: block;
    }


    /* Key details and countdown */
    .key-details { background: var(--midnight); color: var(--white); padding: 46px 0; }
    .details-grid { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
    @media (min-width: 900px) { .details-grid { grid-template-columns: 1.2fr 1fr; } }

    .detail-items { display: grid; grid-template-columns: 1fr; gap: 12px; }
    .detail { display: flex; align-items: center; gap: 12px; font-size: 18px; }
    .icon { width: 32px; height: 32px; display: inline-grid; place-items: center; color: var(--wheat); }

    .countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
    .time-box { text-align: center; padding: 16px 10px; border-radius: 14px; background: rgba(255,255,255,0.06); box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08); }
    .time-box .num {
      font-family: Montserrat, sans-serif;
      font-weight: 800;
      font-size: clamp(22px, 4.5vw, 40px);
      transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
      display: inline-block;
      min-width: 1ch;
    }
    .time-box .lbl { font-size: 13px; opacity: 0.9; }

    /* Why attend */
    .why { background: var(--white); padding: 64px 0; }
    .section-title { text-align: center; font-family: Montserrat, sans-serif; font-weight: 800; font-size: clamp(24px, 4vw, 36px); color: var(--charcoal); margin-bottom: 14px; }
    .section-sub { text-align: center; max-width: 800px; margin: 0 auto 34px; opacity: 0.9; }
    .benefits { display: grid; grid-template-columns: 1fr; gap: 18px; }
    @media (min-width: 900px) { .benefits { grid-template-columns: repeat(3, 1fr); } }
    .benefit {
      background: #fff;
      border-radius: 18px;
      padding: 24px;
      box-shadow: 0 6px 22px rgba(0,0,0,0.08);
      opacity: 0; /* Animate from hidden */
      transform: translateY(20px);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .benefit.animate-in { opacity: 1; transform: translateY(0); }
    .benefit .circle { width: 56px; height: 56px; border-radius: 50%; background: var(--wheat); display: grid; place-items: center; margin-bottom: 12px; color: var(--midnight); }
    .benefit h3 { font-family: Montserrat, sans-serif; font-weight: 700; color: var(--charcoal); margin: 6px 0 8px; }

    /* Speakers */
    .speakers { background: var(--beige); padding: 56px 0; }
    .speaker-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
    @media (min-width: 800px) { .speaker-grid { grid-template-columns: repeat(3, 1fr); } }
    .speaker-card {
      background: #fff;
      border-radius: 18px;
      overflow: hidden;
      box-shadow: 0 10px 26px rgba(0,0,0,0.08);
      transition: transform 160ms ease, box-shadow 160ms ease;
      opacity: 0; /* Animate from hidden */
      transform: scale(0.95);
      transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .speaker-card.animate-in { opacity: 1; transform: scale(1); }
    .speaker-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0,0,0,0.12); }
    
    .speaker-link {
      display: block;
      color: inherit;
      text-decoration: none;
      height: 100%;
    }
    
    .speaker-img { 
      position: relative;
      aspect-ratio: 16/10; 
      background: linear-gradient(135deg, #dfe7ef, #e9edf2);
      overflow: hidden;
    }
    
    .speaker-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    
    .speaker-link:hover .speaker-img img {
      transform: scale(1.05);
    }
    
    .view-profile {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(29, 77, 46, 0.85);
      color: white;
      text-align: center;
      padding: 10px;
      transform: translateY(100%);
      transition: transform 0.3s ease;
    }
    
    .speaker-link:hover .view-profile,
    .speaker-link:focus .view-profile {
      transform: translateY(0);
    }
    
    .speaker-card.active-link {
      animation: pulse-highlight 0.3s ease-out;
    }
    
    @keyframes pulse-highlight {
      0% { transform: scale(1); box-shadow: 0 10px 26px rgba(0,0,0,0.08); }
      50% { transform: scale(1.03); box-shadow: 0 15px 40px rgba(31, 77, 46, 0.3); }
      100% { transform: scale(1); box-shadow: 0 10px 26px rgba(0,0,0,0.08); }
    }
    
    .speaker-body { padding: 16px; }
    .speaker-name { font-family: Montserrat, sans-serif; font-weight: 700; margin: 6px 0 2px; color: var(--charcoal); }
    .speaker-title { opacity: 0.85; }
    
    .text-center { text-align: center; }
    .mt-32 { margin-top: 32px; }
    
    .btn-outline-dark {
      display: inline-block;
      background: transparent;
      color: var(--forest);
      border: 2px solid var(--forest);
      padding: 10px 24px;
      border-radius: 50px;
      font-weight: 600;
      transition: background-color 0.2s, color 0.2s;
    }
    
    .btn-outline-dark:hover {
      background: var(--forest);
      color: white;
    }

    /* Sponsorship CTA - Enhanced Section */
    .sponsor-cta { 
      position: relative; 
      padding: 80px 0; 
      color: var(--white); 
      overflow: hidden; 
    }
    
    /* Enhanced Ken Burns effect on background image */
    @keyframes kenBurns {
      0% { transform: scale(1.05) translateX(-2%); }
      50% { transform: scale(1.1) translateX(2%); }
      100% { transform: scale(1.05) translateX(-2%); }
    }
    
    .sponsor-cta {
      /* Add custom property for parallax effect */
      --parallax-offset: 0px;
    }
    
    .sponsor-cta::before {
      content: "";
      position: absolute;
      inset: 0;
      z-index: -2;
      animation: kenBurns 30s infinite alternate ease-in-out;
      transform: translateY(var(--parallax-offset)); /* Apply parallax effect */
    }
    
    .sponsor-cta::after { 
      content: ""; 
      position: absolute; 
      inset: 0; 
      background: rgba(31, 77, 46, 0.85); /* Slightly darker overlay for better text contrast */
      z-index: -1; 
    }
    
    /* Sponsor header styling */
    .sponsor-inner { 
      text-align: center;
      max-width: 1000px;
      margin: 0 auto;
    }
    
    .sponsor-header {
      margin-bottom: 30px;
    }
    
    .sponsor-title { 
      font-family: Montserrat, sans-serif; 
      font-weight: 800; 
      font-size: clamp(28px, 5vw, 44px); 
      margin: 0 0 10px; 
      letter-spacing: -0.02em;
      text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
      animation: fadeInDown 0.8s ease-out;
    }
    
    .sponsor-subtitle {
      font-size: clamp(16px, 3vw, 20px);
      opacity: 0.9;
      margin-bottom: 20px;
      font-weight: 600;
      font-family: Montserrat, sans-serif;
      animation: fadeInDown 0.8s ease-out 0.2s;
      animation-fill-mode: backwards;
    }
    
    /* Sponsor value proposition styling */
    .sponsor-value {
      margin-bottom: 40px;
      animation: fadeIn 0.8s ease-out 0.4s;
      animation-fill-mode: backwards;
    }
    
    .sponsor-text { 
      max-width: 840px; 
      margin: 0 auto 30px;
      font-size: 1.1rem;
      line-height: 1.6;
    }
    
    /* Sponsor benefits section */
    .sponsor-benefits {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 30px;
      margin: 30px 0;
    }
    
    .sponsor-benefit {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 10px;
      animation: fadeInUp 0.8s ease-out;
      animation-fill-mode: backwards;
      transition: transform 0.3s ease;
    }
    
    .sponsor-benefit:nth-child(1) { animation-delay: 0.6s; }
    .sponsor-benefit:nth-child(2) { animation-delay: 0.7s; }
    .sponsor-benefit:nth-child(3) { animation-delay: 0.8s; }
    
    .sponsor-benefit:hover {
      transform: translateY(-5px);
    }
    
    .benefit-icon {
      width: 60px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background-color: var(--wheat);
      color: var(--forest);
      transition: transform 0.3s ease;
    }
    
    .benefit-icon svg {
      width: 30px;
      height: 30px;
    }
    
    .sponsor-benefit:hover .benefit-icon {
      transform: scale(1.1);
      background-color: var(--white);
    }
    
    .sponsor-benefit span {
      font-weight: 600;
      font-size: 1rem;
    }
    
    /* Sponsorship options */
    .sponsor-options {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
      margin: 40px auto;
      max-width: 900px;
      animation: fadeInUp 0.8s ease-out 0.9s;
      animation-fill-mode: backwards;
    }
    
    @media (min-width: 768px) {
      .sponsor-options {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    
    .sponsor-option {
      background-color: rgba(255, 255, 255, 0.1);
      border-radius: 14px;
      padding: 24px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      transition: transform 0.3s ease, background-color 0.3s ease, box-shadow 0.3s ease;
      position: relative;
    }
    
    .sponsor-option:hover {
      transform: translateY(-8px);
      background-color: rgba(255, 255, 255, 0.15);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    }
    
    /* Featured option highlight */
    .sponsor-option.featured {
      background-color: rgba(212, 160, 23, 0.25);
      border: 2px solid var(--wheat);
      transform: translateY(-5px) scale(1.03);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
      z-index: 2;
    }
    
    .sponsor-option.featured:hover {
      transform: translateY(-10px) scale(1.03);
      box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    }
    
    .option-badge {
      position: absolute;
      top: -12px;
      right: -12px;
      background-color: var(--wheat);
      color: var(--midnight);
      font-size: 0.8rem;
      font-weight: 700;
      padding: 5px 12px;
      border-radius: 20px;
      box-shadow: 0 3px 6px rgba(0, 0, 0, 0.2);
    }
    
    .option-name {
      font-family: Montserrat, sans-serif;
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 15px;
      text-align: center;
    }
    
    .option-features {
      list-style-type: none;
      padding: 0;
      margin: 0 0 20px;
    }
    
    .option-features li {
      padding: 8px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      font-size: 0.95rem;
      position: relative;
      padding-left: 20px;
    }
    
    .option-features li::before {
      content: "✓";
      position: absolute;
      left: 0;
      color: var(--wheat);
      font-weight: 700;
    }
    
    .option-cta {
      display: block;
      background-color: var(--wheat);
      color: var(--midnight);
      text-align: center;
      padding: 10px;
      border-radius: 10px;
      font-weight: 600;
      margin-top: 20px;
      transition: transform 0.2s ease, background-color 0.2s ease;
    }
    
    .option-cta:hover {
      transform: translateY(-3px);
      background-color: var(--white);
    }
    
    /* CTA buttons */
    .sponsor-cta-buttons {
      display: flex;
      gap: 15px;
      justify-content: center;
      margin-top: 40px;
      flex-wrap: wrap;
      animation: fadeInUp 0.8s ease-out 1.2s;
      animation-fill-mode: backwards;
    }
    
    .btn-inverse {
      background: var(--white);
      color: var(--forest);
      padding: 14px 24px;
      border-radius: 12px;
      font-family: Montserrat, sans-serif;
      font-weight: 700;
      border: none;
      font-size: 1rem;
      transition: transform 160ms ease, box-shadow 160ms ease;
      text-decoration: none;
      display: inline-block;
    }
    
    .btn-inverse:hover { 
      transform: translateY(-2px); 
      box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2); 
    }
    
    .btn-inverse:active {
      transform: scale(0.98);
      background: #f0f0f0;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
      transition: transform 100ms ease, background 100ms ease, box-shadow 100ms ease;
    }
    
    .btn-outline {
      background: transparent;
      color: var(--white);
      padding: 14px 24px;
      border-radius: 12px;
      font-family: Montserrat, sans-serif;
      font-weight: 700;
      border: 2px solid var(--white);
      font-size: 1rem;
      transition: background-color 160ms ease, transform 160ms ease, box-shadow 160ms ease;
      text-decoration: none;
      display: inline-block;
    }
    
    .btn-outline:hover {
      background-color: rgba(255, 255, 255, 0.2);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(0, 0, 0, 0.2);
    }
    
    .btn-outline:active {
      transform: scale(0.98);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
      transition: transform 100ms ease, box-shadow 100ms ease;
    }
    
    /* Testimonial for social proof */
    .sponsor-testimonial {
      margin-top: 50px;
      animation: fadeIn 0.8s ease-out 1.4s;
      animation-fill-mode: backwards;
    }
    
    .sponsor-testimonial blockquote {
      font-style: italic;
      font-size: 1.1rem;
      margin: 0 0 10px;
      position: relative;
      padding: 0 20px;
    }
    
    .sponsor-testimonial blockquote::before,
    .sponsor-testimonial blockquote::after {
      content: '"';
      font-size: 1.5rem;
      color: var(--wheat);
      font-family: serif;
      position: absolute;
    }
    
    .sponsor-testimonial blockquote::before {
      left: 0;
      top: -5px;
    }
    
    .sponsor-testimonial blockquote::after {
      right: 0;
      bottom: -15px;
    }
    
    .sponsor-testimonial cite {
      font-style: normal;
      font-weight: 600;
      opacity: 0.8;
    }
    
    /* Animations */
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }
    
    @keyframes fadeInDown {
      from { opacity: 0; transform: translateY(-20px); }
      to { opacity: 1; transform: translateY(0); }
    }
    
    @keyframes fadeInUp {
      from { opacity: 0; transform: translateY(20px); }
      to { opacity: 1; transform: translateY(0); }
    }

    /* Wave divider */
    .wave-divider {
      position: relative;
      height: 100px;
      background-color: var(--forest);
      z-index: 10;
    }
    .wave-divider svg {
      position: absolute;
      bottom: 0;
      width: 100%;
      height: 100px;
      fill: var(--offwhite);
    }
    .wave-divider svg.bottom {
      top: 0;
      bottom: auto;
      transform: rotate(180deg);
      fill: var(--midnight); /* Matches the section above it */
    }

    /* Contact CTA */
    .contact-cta-section {
      background: var(--offwhite);
      padding: 64px 0;
      text-align: center;
    }
    .contact-cta-section .section-title {
      font-size: clamp(22px, 4vw, 32px);
    }
    .contact-cta-section .btn-row {
      margin-top: 24px;
    }
    .btn-solid-dark {
      background-color: var(--midnight);
      color: var(--white);
      padding: 16px 24px;
      border-radius: 12px;
      font-family: Montserrat, sans-serif;
      font-weight: 700;
      border: none;
      box-shadow: 0 8px 20px rgba(11, 44, 71, 0.35);
      transition: transform 120ms ease, box-shadow 120ms ease;
    }
    .btn-solid-dark:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 26px rgba(11, 44, 71, 0.45);
    }
    .btn-solid-dark:active {
      transform: scale(0.98);
      box-shadow: 0 4px 10px rgba(11, 44, 71, 0.35);
      background-color: #082136;
    }

    /* Contact form section */
    .contact-form {
      padding: 64px 0;
      background-color: var(--offwhite);
    }
    .form-container {
      max-width: 700px;
      margin: 0 auto;
      background-color: var(--white);
      padding: 36px;
      border-radius: 18px;
      box-shadow: 0 10px 26px rgba(0,0,0,0.08);
      border: 1px solid rgba(0,0,0,0.05);
    }
    .form-container .section-title {
      margin-top: 0;
      margin-bottom: 24px;
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-group label {
      display: block;
      font-weight: 600;
      margin-bottom: 6px;
      color: var(--charcoal);
    }
    .form-group input, .form-group textarea {
      width: 100%;
      padding: 12px;
      border: 1px solid #ccc;
      border-radius: 12px;
      font-size: 16px;
      font-family: inherit;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .form-group input:focus, .form-group textarea:focus {
      outline: none;
      border-color: var(--forest);
      box-shadow: 0 0 0 3px rgba(31, 77, 46, 0.2);
    }
    .form-group textarea {
      resize: vertical;
      min-height: 120px;
    }
    .form-button {
      display: block;
      width: 100%;
      padding: 16px;
      font-size: 18px;
      font-weight: 700;
      color: var(--white);
      background-color: var(--forest);
      border: none;
      border-radius: 12px;
      cursor: pointer;
      transition: background-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    }
    .form-button:hover {
      background-color: #193e24;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(31, 77, 46, 0.3);
    }
    .form-button:active {
      transform: translateY(0);
      box-shadow: 0 2px 8px rgba(31, 77, 46, 0.3);
    }

    /* Footer */
    footer {
      background: var(--midnight);
      color: rgba(255,255,255,0.9);
      padding: 40px 0;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 30px;
    }
    @media (min-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr auto;
      }
    }
    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      align-items: center;
    }
    .social-links {
      display: flex;
      gap: 20px;
      margin-top: 10px;
    }
    .social-link {
      width: 24px;
      height: 24px;
      color: rgba(255,255,255,0.6);
      transition: transform 0.2s ease, color 0.2s ease;
    }
    .social-link:hover {
      color: var(--white);
      transform: translateY(-2px);
    }

    /* Utilities */
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
    .d-none { display: none !important; }
    /* Use .d-none for honeypot fields to avoid inline style conflicts */
    
    /* SVG Utilities */
    .svg-mr-6 { margin-right: 6px; }
    .svg-mr-8 { margin-right: 8px; }
    .align-text-bottom { vertical-align: text-bottom; }
  
/**
 * Performance optimized parallax and visual effects
 * - Uses will-change for browser optimization
 * - Contains content-visibility: auto for offscreen rendering performance
 * - Uses hardware-accelerated properties (transform, opacity)
 * - Optimized transition durations for smoother animations
 */

/* Parallax Progress Bar - GPU accelerated with transform */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #2E7D32, #4CAF50);
  transform: scaleX(0);
  transform-origin: left;
  z-index: 1000;
  will-change: transform;
  transition: transform 0.1s ease;
}

/* Performance optimized parallax sections */
.parallax-section {
  position: relative;
  overflow: hidden;
  contain: content; /* Improves performance by isolating the section */
}

/* Hero section parallax with content-visibility for performance */
.hero {
  position: relative;
  overflow: hidden;
}

/* Performance optimized hero image */
.hero img {
  will-change: transform; /* Hint for browser optimization */
  transition: transform 0.1s ease-out;
  backface-visibility: hidden; /* Prevents flickering in some browsers */
  transform: translateZ(0); /* Forces GPU acceleration */
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* Section titles for parallax movement - GPU accelerated */
.parallax-title {
  transform: translateY(0);
  will-change: transform;
  transition: transform 0.1s ease-out;
}

/* Smooth scrolling - only for non-reduced motion preference */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* Optimized rendering for sections */
.speakers, .why, .partners, .contact-form {
  content-visibility: auto; /* Improves rendering performance */
  contain-intrinsic-size: 1px 500px; /* Reserves space to prevent layout shifts */
}

/* Performance optimizations for form validation */
.error-message {
  color: #d32f2f;
  font-size: 0.85rem;
  margin-top: 4px;
  height: 0;
  overflow: hidden;
  opacity: 0;
  transition: height 0.3s ease, opacity 0.3s ease;
}

.error-message.active {
  height: auto;
  opacity: 1;
}

/* Enhanced Floating WhatsApp button styling */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  left: 30px;
  background-color: #25D366;
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 100;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  will-change: transform;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.3);
}

.whatsapp-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

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

/* WhatsApp tooltip */
.whatsapp-tooltip {
  position: absolute;
  left: 70px;
  background-color: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 14px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.3s ease, transform 0.3s ease;
  pointer-events: none;
}

.whatsapp-tooltip::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-right: 6px solid rgba(0, 0, 0, 0.8);
}

.whatsapp-float:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* Animation for attention */
@keyframes pulse {
  0% { transform: scale(1); }
  10% { transform: scale(1.1); }
  20% { transform: scale(1); }
  100% { transform: scale(1); }
}

.whatsapp-float {
  animation: pulse 5s infinite;
  animation-delay: 3s;
}

/* Add notification dot for extra attention */
.whatsapp-float::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 12px;
  height: 12px;
  background-color: #ff5722;
  border-radius: 50%;
  border: 2px solid white;
}

/* Additional attention animation */
@keyframes attention {
  0% { transform: translateY(0) scale(1); }
  25% { transform: translateY(-15px) scale(1.1); }
  50% { transform: translateY(0) scale(1); }
  75% { transform: translateY(-5px) scale(1.05); }
  100% { transform: translateY(0) scale(1); }
}

.whatsapp-float.attention {
  animation: attention 1s ease;
}

/* Media queries for responsive behavior */
@media (max-width: 768px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    left: 20px;
  }
  
  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }
  
  .whatsapp-tooltip {
    display: none;
  }
}

/* Form submission state styles */
.form-button {
  position: relative;
}

.button-loader {
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 20px;
  height: 20px;
  margin-left: -10px;
  margin-top: -10px;
  border: 3px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s linear infinite;
}

.form-button.loading .button-text {
  visibility: hidden;
}

.form-button.loading .button-loader {
  display: block;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.form-status {
  padding: 10px;
  margin-top: 20px;
  border-radius: 8px;
  text-align: center;
  opacity: 0;
  height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, height 0.3s ease;
}

.form-status.success {
  background-color: rgba(76, 175, 80, 0.2);
  color: #2E7D32;
  opacity: 1;
  height: auto;
}

.form-status.error {
  background-color: rgba(211, 47, 47, 0.2);
  color: #c62828;
  opacity: 1;
  height: auto;
}

/* Optional: Add subtle parallax to other sections */
.why, .speakers, .sponsor-cta {
  position: relative;
  overflow: hidden;
}

.terms-notice{
  font-size: 12px;
  color: #666;
  margin-top: 8px;
}