* {
      box-sizing: border-box;
    }

    html, body {
      overflow-x: hidden;
      width: 100%;
    }


    /* smooth scrollin inbetween sections */
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: "Inter", sans-serif;
      scroll-behavior: smooth;
      background: #0f172a;
      color: #d1d5db;
    }
    /* Scrollbar for dark theme */
    ::-webkit-scrollbar {
      width: 8px;
      height: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #0f172a;
    }
    ::-webkit-scrollbar-thumb {
      background-color: #1e40af;
      border-radius: 10px;
      border: 2px solid #0f172a;
    }
    /* Animations */
    @keyframes fadeInUp {
      0% {
        opacity: 0;
        transform: translateY(20px);
      }
      100% {
        opacity: 1;
        transform: translateY(0);
      }
    }
    @keyframes fadeInDown {
      0% {
        opacity: 0;
        transform: translateY(-10px);
      }
      100% {
        opacity: 1;
        transform: translateY(0);
      }
    }
    @keyframes slideDown {
      0% {
        opacity: 0;
        transform: translateY(-10px);
      }
      100% {
        opacity: 1;
        transform: translateY(0);
      }
    }
    /* Header animations */
    nav a {
      position: relative;
      transition: color 0.3s ease;
      opacity: 0;
      transform: translateY(-10px);
      animation: fadeInDown 0.5s forwards;
      color: #cbd5e1; /* Tailwind gray-300 */
      font-weight: 600;
      letter-spacing: 0.02em;
    }
    nav a:nth-child(1) {
      animation-delay: 0.1s;
    }
    nav a:nth-child(2) {
      animation-delay: 0.2s;
    }
    nav a:nth-child(3) {
      animation-delay: 0.3s;
    }
    nav a:nth-child(4) {
      animation-delay: 0.4s;
    }
    nav a:hover,
    nav a:focus {
      color: #3b82f6; /* Tailwind blue-500 */
      outline: none;
    }
    nav a::after {
      content: "";
      position: absolute;
      width: 0%;
      height: 2px;
      bottom: -3px;
      left: 0;
      background-color: #3b82f6;
      transition: width 0.3s ease;
      border-radius: 2px;
    }
    nav a:hover::after,
    nav a:focus::after {
      width: 100%;
    }
    /* Mobile menu slide down */
    #mobile-menu.show {
      animation: slideDown 0.3s ease forwards;
    }
    /* Button hover animation */
    button[type="submit"] {
      transition: background-color 0.3s ease, transform 0.2s ease;
      background-color: #2563eb; /* Tailwind blue-600 */
      color: white;
      font-weight: 600;
      letter-spacing: 0.02em;
      box-shadow: 0 4px 6px rgba(37, 99, 235, 0.5);
    }
    button[type="submit"]:hover {
      background-color: #1e40af; /* Tailwind blue-900 */
      transform: scale(1.05);
      box-shadow: 0 6px 12px rgba(30, 64, 175, 0.7);
    }
    button[type="submit"]:focus {
      outline: none;
      box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.7);
    }
    /* Section fade in */
    section {
      opacity: 0;
      transform: translateY(20px);
      animation: fadeInUp 0.8s forwards;
      margin-top: 0;
      margin-bottom: 0;
      padding-top: 4rem;
      padding-bottom: 4rem;
    }
    section:first-of-type {
      padding-top: 7rem; /* extra top padding for first section */
    }
    /* Container padding adjustments */
    .container-wide {
      padding-left: 1rem;
      padding-right: 1rem;
      margin-left: auto;
      margin-right: auto;
      max-width: 100%;
    }
    @media (min-width: 640px) {
      .container-wide {
        padding-left: 2rem;
        padding-right: 2rem;
        max-width: 100%;
        max-height: auto;
      }
    }
    @media (min-width: 768px) {
      .container-wide {
        padding-left: 3rem;
        padding-right: 3rem;
        max-width: 100%;
        max-height: auto;
      }
    }
    @media (min-width: 1024px) {
      .container-wide {
        padding-left: 4rem;
        padding-right: 4rem;
        max-width: 100%;
        max-height: auto;
      }
    }
    @media (min-width: 1280px) {
      .container-wide {
        padding-left: 10rem;
        padding-right: 10rem;
        max-width: 100%;
        max-height: auto;
      }
    }


    /* Fix for anchor offset due to fixed header */
    section[id] {
      scroll-margin-top: 80px;
    }
    /* Card hover scale and shadow */
    article {
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border-radius: 0.75rem;
      background-color: #1e293b;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }
    article:hover {
      transform: scale(1.05);
      box-shadow: 0 10px 25px rgba(59, 130, 246, 0.7);
      z-index: 10;
      position: relative;
    }
    /* Unique feature highlight */
    #unique-feature {
      background: linear-gradient(135deg, #2563eb 0%, #9333ea 100%);
      border-radius: 1rem;
      padding: 3rem 2rem;
      margin: 4rem auto;
      max-width: 900px;
      text-align: center;
      color: white;
      box-shadow: 0 0 30px rgba(147, 51, 234, 0.7);
      animation: pulseGlow 3s ease-in-out infinite;
      font-weight: 600;
      letter-spacing: 0.02em;
    }
    #unique-feature h2 {
      font-size: 2.5rem;
      font-weight: 700;
      margin-bottom: 1rem;
      text-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
      color: #fbbf24; /* Tailwind yellow-400 */
    }
    #unique-feature p {
      font-size: 1.25rem;
      max-width: 600px;
      margin: 0 auto;
      text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
      color: #e0e7ff; /* Tailwind indigo-100 */
    }
    @keyframes pulseGlow {
      0%,
      100% {
        box-shadow: 0 0 30px rgba(147, 51, 234, 0.7);
      }
      50% {
        box-shadow: 0 0 50px rgba(147, 51, 234, 1);
      }
    }
    /* Highlight color for main heading with more white */
    .main-heading {
      background: linear-gradient(90deg, #f8fafc 0%, #9333ea 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      text-fill-color: transparent;
      font-weight: 900;
      /* Removed text-shadow for no glow */
      color: #f8fafc; /* More white */
      font-size: 3rem; /* Decreased by 1rem from 4rem */
      line-height: 1.1;
    }

.mobile-nav-link {
  position: relative;
  color: #d1d5db; /* default color */
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: color 0.3s ease;
}

.mobile-nav-link::after {
  content: "";
  position: absolute;
  width: 0%;
  height: 2px;
  bottom: 4px; /* adjust if needed */
  left: 0;
  background-color: #3b82f6; /* Tailwind blue-500 */
  border-radius: 2px;
  transition: width 0.3s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link:focus,
.mobile-nav-link:active,
.mobile-nav-link.hovered {
  color: #3b82f6; /* blue text on hover */
}

.mobile-nav-link:hover::after,
.mobile-nav-link:focus::after,
.mobile-nav-link:active::after,
.mobile-nav-link.hovered::after {
  width: 100%;
}

/* for smaller mobile view */
@media (max-width: 640px) {
  body {
    font-size: 0.9rem; /* reduces base size slightly */
  }

  .main-heading {
    font-size: 1.75rem; /* smaller heading on mobile */
    line-height: 1.3;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3, h4 {
    font-size: 1.25rem;
  }

  p, p1, li, a, .mobile-nav-link {
    font-size: 0.95rem;
  }

  button {
    font-size: 0.95rem;
  }

  .text-xl {
    font-size: 1rem;
  }

  .text-2xl {
    font-size: 1.25rem;
  }

  .text-4xl {
    font-size: 1.75rem;
  }
}

/* to prevent overflow in mobile view, testimonials */
  .testimonial-card {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }

      /* Mobile-specific tweaks */
    @media (max-width: 640px) {
      #testimonial-carousel {
        padding: 0 3rem; /* space for arrows */
        position: relative;
      }

      .testimonial-card {
        width: 100%;
        max-width: 90%;
        margin: 0 auto;
        padding: 1.25rem !important;
        font-size: 0.95rem;
        line-height: 1.5;
      }

      /* Move arrows outside the card on mobile */
      #prevBtn {
        left: 0;
      }

      #nextBtn {
        right: 0;
      }
    }