@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

  :root {
    --primary-gradient: linear-gradient(135deg, #c19b5a 0%, #8b6914 100%);
    --secondary-gradient: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
    --dark-gradient: linear-gradient(135deg, #0f0e0d 0%, #1a1716 100%);
    --card-bg: rgba(193, 155, 90, 0.08);
    --card-border: rgba(193, 155, 90, 0.15);
    --text-primary: #f5f1eb;
    --text-secondary: #b8a082;
    --accent-color: #c19b5a;
    --deep-brown: #2c1810;
    --warm-beige: #f5f1eb;
  }

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

  body {
    background: var(--dark-gradient);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
  }

  /* FIXED: Animated background particles */
  .bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
  }

  .particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: float 20s infinite linear;
    opacity: 0;
    box-shadow: 0 0 4px rgba(193, 155, 90, 0.5);
  }

  /* FIXED: Animation keyframes */
  @keyframes float {
    0% {
      transform: translateY(100vh) rotate(0deg);
      opacity: 0;
    }
    10% {
      opacity: 0.7;
    }
    90% {
      opacity: 0.7;
    }
    100% {
      transform: translateY(-10vh) rotate(360deg);
      opacity: 0;
    }
  }

  /* Navigation */
  .navbar {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--card-border);
    padding: 0.75rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.3s ease;
  }

  .navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    position: relative;
    z-index: 1001;
  }

  .navbar-brand:hover {
    text-decoration: none;
    opacity: 0.8;
  }

  .navbar-logo {
    height: 50px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
    position: relative;
    top: -2px;
  }

  .logo-container {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-gradient);
    border-radius: 8px;
    padding: 8px;
    box-shadow: 0 4px 12px rgba(193, 155, 90, 0.3);
  }

  .logo-svg {
    width: 24px;
    height: 24px;
    fill: var(--warm-beige);
  }

  /* Remove default list styling */
  .navbar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .nav-item {
    list-style: none;
  }

  /* Professional text-only navigation links */
  .nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    margin-left: 2rem;
    transition: all 0.3s ease;
    position: relative;
  }

  .nav-link:hover {
    color: var(--accent-color);
    text-decoration: none;
  }

/* Prevent hover underline animation unless hovered */
/* Underline element */
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background-color: var(--accent-color, #00AEEF); /* Fallback color */
  transition: width 0.3s ease;
}

/* Hover color (no underline animation) */
.nav-link:hover {
  color: var(--accent-color, #00AEEF);
}

.nav-link:hover::after {
  width: 100%;
}

/* Active link: underline without animation */
.nav-link.active::after {
  width: 100%;
  transition: none;
}

.nav-link.active {
  color: var(--accent-color, #00AEEF);
}


  /* Hamburger menu styling */
  .navbar-toggler {
    border: none;
    padding: 0.25rem 0.5rem;
    background: transparent;
    transition: all 0.3s ease;
    color: var(--text-primary);
  }

  .navbar-toggler:hover {
    background: var(--card-bg);
    border-radius: 8px;
  }

  .navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(193, 155, 90, 0.3);
  }

  .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28245, 241, 235, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.5rem;
    height: 1.5rem;
  }

  /* Mobile navigation */
  @media (max-width: 991px) {
    .navbar-collapse {
      margin-top: 1rem;
      padding-top: 1rem;
      border-top: 1px solid var(--card-border);
    }

    .navbar-nav {
      flex-direction: column;
      align-items: flex-start;
    }

    .nav-link {
      margin: 0.5rem 0;
      margin-left: 0;
      display: block;
    }
  }

  /* Header Section */
  .hero-section {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
  }

  .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
  }

  .hero-logo {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    background: var(--primary-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(193, 155, 90, 0.4);
    padding: 16px;
  }

  .hero-logo-svg {
    width: 48px;
    height: 48px;
    fill: var(--warm-beige);
  }

  .hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--warm-beige) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    line-height: 1.6;
  }

  .subscriber-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    margin-left: auto;
    margin-right: auto;
  }

  .subscriber-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(193, 155, 90, 0.3);
  }

  /* Email Form */
  .email-form {
    max-width: 500px;
    margin: 0 auto;
    position: relative;
  }

  .form-group {
    position: relative;
    margin-bottom: 1rem;
  }

  .form-control {
    background: var(--card-bg) !important;
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    color: var(--text-primary) !important;
    padding: 1rem 1.5rem;
    border-radius: 60px;
    font-size: 1rem;
    transition: all 0.3s ease;
    width: 100%;
  }

  .form-control:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(193, 155, 90, 0.1);
    background: rgba(193, 155, 90, 0.12) !important;
    color: var(--text-primary) !important;
  }

  .form-control::placeholder {
    color: var(--text-secondary);
  }

  /* Enhanced autofill styling */
  .form-control:-webkit-autofill,
  .form-control:-webkit-autofill:hover,
  .form-control:-webkit-autofill:focus,
  .form-control:-webkit-autofill:active {
    -webkit-box-shadow: 0 0 0 30px var(--card-bg) inset !important;
    -webkit-text-fill-color: var(--text-primary) !important;
    background: var(--card-bg) !important;
    transition: background-color 5000s ease-in-out 0s;
  }

  .form-control:-moz-autofill {
    background: var(--card-bg) !important;
    color: var(--text-primary) !important;
  }

  /* Error styling */
  .form-control.is-invalid {
    border-color: #dc3545;
    background: rgba(220, 53, 69, 0.1) !important;
  }

  .invalid-feedback {
    display: none;
    width: 100%;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #dc3545;
    text-align: center;
  }

  .invalid-feedback.show {
    display: block;
  }

  .btn-primary {
    background: var(--primary-gradient);
    border: none;
    padding: 1rem 2.5rem;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    color: var(--warm-beige);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(193, 155, 90, 0.4);
    color: var(--warm-beige);
  }

  .btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(245,241,235,0.2), transparent);
    transition: left 0.5s;
  }

  .btn-primary:hover::before {
    left: 100%;
  }

  /* Privacy text styling */
  .privacy-text {
    color: var(--text-secondary);
  }

  /* Powered by AI Section */
  .powered-by-ai-section {
    padding: 4rem 0;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--card-border);
    border-bottom: 1px solid var(--card-border);
  }

  /* How Sparrow Works Animation Styles */
  .Sparrow-process {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2rem;
    margin: 4rem 0;
  }

  .process-step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 2rem 1rem;
  }

  .step-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 2px solid var(--card-border);
    border-radius: 50%;
    overflow: hidden;
  }

  /* Step 1: Scanning Animation */
  .scanning {
    background: radial-gradient(circle, rgba(193, 155, 90, 0.1) 0%, var(--card-bg) 70%);
  }

  .scanner-beam {
    position: absolute;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
    top: 50%;
    left: -100%;
    animation: scan 2s infinite;
    z-index: 1;
  }

  .scanning i {
    font-size: 2.5rem;
    color: var(--accent-color);
    z-index: 2;
    position: relative;
  }

  .source-dots {
    position: absolute;
    width: 140px;
    height: 140px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
  }

  .source-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0;
    animation: source-pulse 2s infinite;
    animation-delay: var(--delay);
    box-shadow: 0 0 8px rgba(193, 155, 90, 0.6);
  }

  .source-dot:nth-child(1) { top: 10px; left: 50%; }
  .source-dot:nth-child(2) { top: 30px; right: 20px; }
  .source-dot:nth-child(3) { top: 60%; right: 10px; }
  .source-dot:nth-child(4) { bottom: 20px; right: 30px; }
  .source-dot:nth-child(5) { bottom: 10px; left: 50%; }
  .source-dot:nth-child(6) { top: 60%; left: 10px; }

  @keyframes scan {
    0% { left: -100%; }
    100% { left: 100%; }
  }

  @keyframes source-pulse {
    0%, 80% { opacity: 0; transform: scale(1); }
    40% { opacity: 1; transform: scale(1.3); }
  }

  /* Step 2: AI Processing Animation */
  .ai-processing {
    background: radial-gradient(circle, rgba(193, 155, 90, 0.15) 0%, var(--card-bg) 70%);
  }

  .ai-brain {
    position: relative;
    z-index: 2;
  }

  .ai-brain i {
    font-size: 2.5rem;
    color: var(--accent-color);
  }

  .brain-pulse {
    position: absolute;
    width: 80px;
    height: 80px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0;
    animation: brain-pulse 1.5s infinite;
    z-index: 1;
  }

  .data-stream {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
  }

  .data-bit {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--secondary-gradient);
    border-radius: 50%;
    animation: data-flow 3s infinite;
    animation-delay: var(--delay);
    opacity: 0;
  }

  .data-bit:nth-child(1) { top: 20%; left: 20%; }
  .data-bit:nth-child(2) { top: 30%; right: 25%; }
  .data-bit:nth-child(3) { bottom: 25%; right: 20%; }
  .data-bit:nth-child(4) { bottom: 20%; left: 25%; }

  @keyframes brain-pulse {
    0% { opacity: 0; transform: translate(-50%, -50%) scale(0.8); }
    50% { opacity: 0.6; transform: translate(-50%, -50%) scale(1.2); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.5); }
  }

  @keyframes data-flow {
    0%, 90% { opacity: 0; }
    20%, 70% { opacity: 1; }
    50% { transform: translateX(20px) translateY(-10px); }
  }

  /* Step 3: Newsletter Animation */
  .newsletters {
    background: radial-gradient(circle, rgba(193, 155, 90, 0.1) 0%, var(--card-bg) 70%);
    overflow: visible;
  }

  .newsletter-stack {
    position: relative;
    width: 80px;
    height: 80px;
  }

  .newsletter {
    position: absolute;
    width: 60px;
    height: 40px;
    background: var(--primary-gradient);
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--warm-beige);
    box-shadow: 0 4px 12px rgba(193, 155, 90, 0.3);
    animation: newsletter-appear 4s infinite;
    animation-delay: var(--delay);
    opacity: 0;
    transform: translateY(20px);
  }

  .newsletter i {
    font-size: 1rem;
    margin-bottom: 2px;
  }

  .ai-newsletter { top: 0; left: 0; }
  .marketing-newsletter { top: 15px; left: 20px; }
  .crypto-newsletter { top: 30px; left: 10px; }
  .fintech-newsletter { top: 45px; left: 25px; }

  @keyframes newsletter-appear {
    0%, 80% { opacity: 0; transform: translateY(20px); }
    10%, 70% { opacity: 1; transform: translateY(0); }
  }

  /* Process Arrows */
  .process-arrow {
    position: relative;
    width: 60px;
    height: 3px;
    margin: 0 1rem;
    flex-shrink: 0;
  }

  .arrow-line {
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--secondary-gradient));
    border-radius: 2px;
    position: relative;
    overflow: hidden;
  }

  .arrow-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: arrow-flow 2s infinite;
  }

  .arrow-head {
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--accent-color);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
  }

  @keyframes arrow-flow {
    0% { left: -100%; }
    100% { left: 100%; }
  }

  /* Step Titles and Descriptions */
  .step-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
  }

  .step-description {
    color: var(--text-secondary);
    line-height: 1.5;
    font-size: 0.95rem;
  }

  /* Explanation Card */
  .explanation-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
  }

  .explanation-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
  }

  .explanation-icon i {
    font-size: 1.5rem;
    color: var(--warm-beige);
  }

  .explanation-text h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
  }

  .explanation-text p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
  }

  /* Features Section */
  .features-section {
    padding: 6rem 0;
  }

  .section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: linear-gradient(135deg, var(--warm-beige) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }

  .feature-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 3rem 2rem;
    height: 100%;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
  }

  .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(193, 155, 90, 0.2);
  }

  .feature-card:hover::before {
    opacity: 0.05;
  }

  .feature-icon {
    font-size: 3rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
  }

  .feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    color: var(--text-primary);
  }

  .feature-description {
    color: var(--text-secondary);
    line-height: 1.7;
    position: relative;
    z-index: 1;
  }

  /* Newsletter Sample Section with Carousel */
  .newsletter-sample {
    padding: 6rem 0;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
  }

  /* Newsletter Carousel Container */
  .newsletter-carousel {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
  }

  .newsletter-preview {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
    min-height: 600px;
  }

  .newsletter-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--primary-gradient);
  }

  /* Navigation Header */
  .newsletter-nav-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 2rem;
    position: relative;
    min-height: 120px;
  }

  .nav-arrow {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--accent-color);
    flex-shrink: 0;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
  }

  .nav-arrow-left {
    left: 0;
  }

  .nav-arrow-right {
    right: 0;
  }

  .nav-arrow:hover {
    background: var(--accent-color);
    color: var(--warm-beige);
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 12px rgba(193, 155, 90, 0.3);
  }

  .nav-arrow.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
  }

  .nav-arrow i {
    font-size: 16px;
    font-weight: bold;
  }

  .newsletter-header-content {
    flex: 1;
    text-align: center;
    margin: 0 60px;
    padding: 10px 0;
  }

  .newsletter-header {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--card-border);
  }

  .newsletter-date {
    color: #ffffff;
    font-size: 0.9rem;
    margin-bottom: 1rem;
    opacity: 0.8;
  }

  .newsletter-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
    line-height: 1.2;
  }

  .newsletter-subtitle {
    color: #ffffff;
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.4;
    margin: 0;
  }

  /* Newsletter Content */
  .newsletter-content {
    display: none;
  }

  .newsletter-content.active {
    display: block;
  }

  .newsletter-item {
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(193, 155, 90, 0.1);
  }

  .newsletter-item:last-child {
    border-bottom: none;
  }

  .newsletter-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--accent-color);
    line-height: 1.3;
  }

  .newsletter-item h4 a {
    color: var(--accent-color);
    text-decoration: none;
  }

  .newsletter-item h4 a:hover {
    text-decoration: underline;
  }

  .newsletter-item p {
    color: #ffffff;
    margin-bottom: 1rem;
    opacity: 0.9;
  }

  .newsletter-item p strong {
    color: #ffffff;
    font-weight: 600;
  }

  .read-time {
    font-size: 0.8rem;
    color: #ffffff;
    background: rgba(193, 155, 90, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    display: inline-block;
    opacity: 0.8;
    margin-left: 0.5rem;
  }

  .other-ai-links li {
    margin-bottom: 0.75rem;
  }

  .other-ai-links a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
  }

  .other-ai-links a:hover {
    text-decoration: underline;
  }

  .other-ai-links span {
    color: #ffffff;
    font-size: 0.85rem;
    opacity: 0.8;
  }

  .other-ai-links .description {
    color: #ffffff;
    font-size: 0.85rem;
    opacity: 0.8;
    margin-top: 4px;
    display: block;
  }

  /* CTA Section */
  .cta-section {
    padding: 6rem 0;
    text-align: center;
  }

  .cta-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
  }

  .cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0.1;
  }

  .cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    color: var(--text-primary);
  }

  .cta-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
  }

  /* Footer */
  .footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--card-border);
    background: var(--card-bg);
    backdrop-filter: blur(10px);
  }

  .footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 2rem;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .footer-logo-container {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
  }

  .footer-logo-svg {
    width: 40px;
    height: auto;
    fill: var(--warm-beige);
  }

  .footer-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
  }

  .footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
  }

  .footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
  }

  .footer-links a:hover {
    color: var(--accent-color);
  }

  .footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
    color: var(--text-secondary);
  }

  /* Responsive Design */
  @media (max-width: 768px) {
    .hero-title {
      font-size: 2.5rem;
    }

    .hero-subtitle {
      font-size: 1.1rem;
    }

    .newsletter-preview {
      padding: 2rem;
    }

    .newsletter-title {
      font-size: 1.5rem;
    }

    .newsletter-nav-header {
      gap: 0.5rem;
    }

    .nav-arrow {
      width: 35px;
      height: 35px;
    }

    .cta-card {
      padding: 3rem 1.5rem;
    }

    .footer-content {
      flex-direction: column;
      text-align: center;
    }

    .ai-badge {
      flex-direction: column;
      gap: 1.5rem;
      text-align: center;
    }

    .ai-label {
      align-items: center;
    }

    .ai-circuit-pattern {
      width: 100px;
      height: 100px;
    }

    .ai-chip {
      width: 50px;
      height: 50px;
    }

    .ai-text {
      font-size: 1.2rem;
    }

    .Sparrow-process {
      flex-direction: column;
      gap: 3rem;
    }

    .process-arrow {
      transform: rotate(90deg);
      width: 40px;
      margin: 1rem 0;
    }

    .explanation-card {
      flex-direction: column;
      text-align: center;
      padding: 1.5rem;
    }

    .step-icon {
      width: 100px;
      height: 100px;
    }
  }

/* Fixed Navigation Arrows - Always same size and position */
.newsletter-nav-header {
display: flex;
align-items: flex-start;
justify-content: space-between;
margin-bottom: 2rem;
position: relative;
min-height: 120px; /* Fixed minimum height to prevent layout shifts */
}

.nav-arrow {
width: 45px;
height: 45px;
border-radius: 50%;
background: var(--card-bg);
border: 1px solid var(--card-border);
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all 0.3s ease;
color: var(--accent-color);
flex-shrink: 0; /* Prevent shrinking */
position: absolute;
top: 50%;
transform: translateY(-50%);
z-index: 10;
}

.nav-arrow-left {
left: 0;
}

.nav-arrow-right {
right: 0;
}

.nav-arrow:hover {
background: var(--accent-color);
color: var(--warm-beige);
transform: translateY(-50%) scale(1.1);
box-shadow: 0 4px 12px rgba(193, 155, 90, 0.3);
}

.nav-arrow.disabled {
opacity: 0.3;
cursor: not-allowed;
pointer-events: none;
}

.nav-arrow i {
font-size: 16px;
font-weight: bold;
}

/* Newsletter header content - centered with proper spacing */
.newsletter-header-content {
flex: 1;
text-align: center;
margin: 0 60px; /* Space for arrows */
padding: 10px 0;
}

.newsletter-date {
color: #ffffff;
font-size: 0.9rem;
margin-bottom: 1rem;
opacity: 0.8;
}

.newsletter-title {
font-size: 2rem;
font-weight: 700;
margin-bottom: 1rem;
color: #ffffff;
line-height: 1.2;
}

.newsletter-subtitle {
color: #ffffff;
font-size: 1.1rem;
opacity: 0.9;
line-height: 1.4;
margin: 0;
}

/* Newsletter content styling */
.newsletter-content {
display: none;
}

.newsletter-content.active {
display: block;
}

.newsletter-item {
padding: 1.5rem 0;
border-bottom: 1px solid rgba(193, 155, 90, 0.1);
}

.newsletter-item:last-child {
border-bottom: none;
}

.newsletter-item h4 {
font-size: 1.3rem;
font-weight: 600;
margin-bottom: 0.5rem;
line-height: 1.3;
}

.newsletter-item h4 a {
color: var(--accent-color) !important;
text-decoration: none !important;
transition: color 0.3s ease;
}

.newsletter-item h4 a:hover {
color: var(--secondary-gradient) !important;
text-decoration: none !important;
}

.newsletter-item p {
color: #ffffff;
margin-bottom: 1rem;
opacity: 0.9;
line-height: 1.6;
}

.newsletter-item p strong {
color: #ffffff;
font-weight: 600;
}

.read-time {
font-size: 0.8rem;
color: #ffffff;
background: rgba(193, 155, 90, 0.1);
padding: 0.25rem 0.75rem;
border-radius: 20px;
display: inline-block;
opacity: 0.8;
margin-left: 0.5rem;
}

.other-ai-links ul {
list-style: none;
padding: 0;
margin: 0;
}

.other-ai-links li {
margin-bottom: 0.75rem;
}

.other-ai-links a {
color: var(--accent-color) !important;
text-decoration: none !important;
font-weight: 500;
}

.other-ai-links a:hover {
text-decoration: underline !important;
color: var(--secondary-gradient) !important;
}

.other-ai-links span {
color: #ffffff;
font-size: 0.85rem;
opacity: 0.8;
}

.other-ai-links .description {
color: #ffffff;
font-size: 0.85rem;
opacity: 0.8;
margin-top: 4px;
display: block;
}

.read-time-mini {
color: #ffffff !important;
font-size: 0.8rem !important;
opacity: 0.7 !important;
}

/* Responsive design for arrows */
@media (max-width: 768px) {
.newsletter-nav-header {
  min-height: 100px;
}

.nav-arrow {
  width: 40px;
  height: 40px;
}

.nav-arrow i {
  font-size: 14px;
}

.newsletter-header-content {
  margin: 0 50px;
}

.newsletter-title {
  font-size: 1.5rem;
}

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

.newsletter-item h4 {
  font-size: 1.1rem;
}
}