:root {
        --primary-color: #2563eb;
        --primary-dark: #1d4ed8;
        --primary-light: #3b82f6;
        --background-color: #f8fafc;
        --text-color: #1e293b;
        --text-light: #64748b;
        --text-muted: #94a3b8;
        --border-color: #e2e8f0;
        --animation-duration: 0.3s;
        --success-color: #10b981;
        --error-color: #ef4444;
        --section-padding: 5rem 0;
        --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
        --card-shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
      }

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

      body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        background: var(--background-color);
        color: var(--text-color);
        line-height: 1.6;
        padding-top: 90px; /* Account for fixed navbar */
      }

      .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
      }

      /* Navigation Bar */
      .navbar {
        background: white;
        box-shadow:
          0 1px 2px rgba(0, 0, 0, 0.03),
          0 1px 6px rgba(0, 0, 0, 0.02);
        position: fixed;
        z-index: 1000;
        padding: 1rem 0;
        top: 0;
        left: 0;
        right: 0;
        width: 100%;
        border-bottom: 1px solid rgba(0, 0, 0, 0.03);
      }

      .navbar-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 2rem;
      }

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

      .brand-logo {
        width: 140px;
        height: auto;
        margin-right: 0;
        margin-top: -14px;
      }

      .navbar-left {
        display: flex;
        align-items: center;
      }

      /* Navigation links */
      .navbar-nav {
        display: flex;
        list-style: none;
      }

      .nav-item {
        margin-right: 1.5rem;
      }

      .nav-link {
        color: #374151;
        text-decoration: none;
        font-weight: 500;
        font-size: 1.1rem;
        transition: color 0.2s ease;
        padding: 0.75rem 0;
        position: relative;
      }

      .nav-link:hover {
        color: var(--primary-color);
      }

      .nav-link::after {
        content: "";
        position: absolute;
        width: 0;
        height: 2px;
        bottom: 0;
        left: 0;
        background-color: var(--primary-color);
        transition: width 0.3s ease;
      }

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

      .navbar-right {
        display: flex;
        align-items: center;
        gap: 1rem;
      }

      /* Mobile menu button */
      .mobile-menu-btn {
        display: none;
        flex-direction: column;
        justify-content: space-around;
        width: 2.5rem;
        height: 2.5rem;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        border-radius: 0.375rem;
        transition: background-color 0.2s ease;
      }

      .mobile-menu-btn div {
        width: 2.5rem;
        height: 0.25rem;
        background: #374151;
        border-radius: 10px;
        transition: all 0.3s linear;
        position: relative;
        transform-origin: 1px;
      }

      /* Hamburger menu animation */
      .mobile-menu-btn.open div:nth-child(1) {
        transform: rotate(45deg);
      }

      .mobile-menu-btn.open div:nth-child(2) {
        opacity: 0;
        transform: translateX(20px);
      }

      .mobile-menu-btn.open div:nth-child(3) {
        transform: rotate(-45deg);
      }

      .mobile-menu-btn:hover {
        background-color: var(--background-color);
      }

      /* Mobile menu */
      .mobile-menu {
        position: fixed;
        top: 90px;
        left: 0;
        right: 0;
        background: white;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
      }

      .mobile-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
      }

      .mobile-menu-content {
        padding: 1.5rem 1.5rem 0.1rem 1.5rem;
      }

      .mobile-nav-links {
        list-style: none;
        margin: 0;
        padding: 0;
      }

      .mobile-nav-links .nav-item {
        margin: 0;
        border-bottom: 1px solid var(--border-color);
      }

      .mobile-nav-links .nav-item:last-child {
        border-bottom: none;
      }

      .mobile-nav-links .nav-link {
        display: block;
        padding: 1rem 1.25rem;
        font-size: 1.1rem;
        font-weight: 500;
        color: #374151;
        text-decoration: none;
        transition: color 0.2s ease;
      }

      .mobile-nav-links .nav-link:hover {
        color: var(--primary-color);
      }

      .btn {
        padding: 0.75rem 1.5rem;
        border: none;
        border-radius: 0.5rem;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: all var(--animation-duration) ease;
        text-decoration: none;
        display: inline-block;
        text-align: center;
        position: relative;
        overflow: hidden;
      }

      .btn::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.5s;
      }

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

      .btn-primary {
        background: var(--primary-color);
        color: white;
        box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
      }

      .btn-primary:hover {
        background: var(--primary-dark);
        transform: translateY(-1px);
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
      }


      .feature-checklist {
        text-align: left;
        padding-left: 0;
        list-style: none;
        font-size: 0.9rem;
        color: var(--text-color);
        line-height: 1.6;
        margin-top: 1rem;
      }

      .feature-checklist-item {
        margin-bottom: 0.5rem;
        display: flex;
        align-items: flex-start;
        gap: 0.5rem;
      }

      .feature-check {
        color: #10b981;
        font-weight: 600;
      }

      .forgot-password {
        text-align: right;
        margin-top: 0.5rem;
      }

      .forgot-password a {
        color: var(--primary-color);
        font-size: 0.9rem;
        text-decoration: none;
        font-weight: 500;
      }

      .forgot-password a:hover {
        text-decoration: underline;
      }

      /* Hero Section */
      .hero {
        padding: var(--section-padding);
        text-align: center;
        background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
        position: relative;
        overflow: hidden;
      }

      .hero::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: radial-gradient(circle at 30% 20%, rgba(37, 99, 235, 0.05) 0%, transparent 50%),
                    radial-gradient(circle at 70% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
        pointer-events: none;
      }

      .hero-content {
        position: relative;
        z-index: 1;
      }

      .hero h1 {
        font-size: 3.2rem;
        font-weight: 800;
        color: var(--text-color);
        margin-bottom: 1.5rem;
        line-height: 1.1;
        background: linear-gradient(135deg, var(--text-color), var(--primary-color));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .hero .subtitle {
        font-size: 1.3rem;
        color: var(--text-light);
        margin-bottom: 3rem;
        max-width: 850px;
        margin-left: auto;
        margin-right: auto;
        font-weight: 400;
        line-height: 1.7;
      }

      .hero .cta {
        display: flex;
        gap: 1.5rem;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        margin-bottom: 2.5rem;
      }

      .hero .btn {
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
        min-width: 180px;
      }

      .free-credits {
        background: linear-gradient(135deg, var(--success-color), #059669);
        color: white;
        padding: 0.75rem 1.5rem;
        border-radius: 3rem;
        font-size: 1rem;
        font-weight: 700;
        display: inline-block;
        margin-top: 1rem;
        box-shadow: 0 4px 14px 0 rgba(16, 185, 129, 0.3);
        animation: pulse 2s infinite;
      }

      @keyframes pulse {
        0%, 100% { transform: scale(1); }
        50% { transform: scale(1.05); }
      }

      /* Features Section */
      .features {
        padding: var(--section-padding);
        background: white;
        position: relative;
      }

      .features::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--border-color), transparent);
      }

      .section-header {
        text-align: center;
        margin-bottom: 4rem;
      }

      .section-title {
        font-size: 2.75rem;
        font-weight: 800;
        margin-bottom: 1rem;
        color: var(--text-color);
        position: relative;
        background: linear-gradient(135deg, var(--text-color), var(--primary-color));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
      }

      .section-subtitle {
        font-size: 1.2rem;
        color: var(--text-light);
        max-width: 600px;
        margin: 0 auto;
        line-height: 1.6;
      }

      .features-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 2.5rem;
        margin-bottom: 3rem;
      }

      .feature-card {
        text-align: center;
        padding: 3rem 2rem;
        border-radius: 1.5rem;
        background: white;
        border: 1px solid var(--border-color);
        box-shadow: var(--card-shadow);
        transition: all var(--animation-duration) ease;
        position: relative;
        overflow: hidden;
      }

      .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
        transform: scaleX(0);
        transition: transform var(--animation-duration) ease;
      }

      .feature-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--card-shadow-hover);
      }

      .feature-card:hover::before {
        transform: scaleX(1);
      }

      .feature-icon {
        width: 80px;
        height: 80px;
        margin: 0 auto 1.5rem;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
        border-radius: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        box-shadow: 0 8px 16px rgba(37, 99, 235, 0.2);
        font-size: 2.5rem;
      }

      .feature-card h3 {
        font-size: 1.5rem;
        font-weight: 700;
        margin-bottom: 1rem;
        color: var(--text-color);
      }

      .feature-card p {
        color: var(--text-light);
        line-height: 1.7;
        font-size: 1.05rem;
      }

      /* How It Works */
      .how-it-works {
        padding: var(--section-padding);
        background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
        position: relative;
      }

      .steps {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 3rem;
        position: relative;
      }

      .step {
        text-align: center;
        position: relative;
        padding: 2rem 1rem;
      }

      .step-number {
        width: 80px;
        height: 80px;
        background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.75rem;
        font-weight: 800;
        margin: 0 auto 1.5rem;
        box-shadow: 0 8px 16px rgba(37, 99, 235, 0.2);
        position: relative;
      }

      .step-number::after {
        content: '';
        position: absolute;
        width: 120%;
        height: 120%;
        border: 2px solid var(--primary-color);
        border-radius: 50%;
        opacity: 0.3;
        animation: ripple 2s infinite;
      }

      @keyframes ripple {
        0% { transform: scale(1); opacity: 0.3; }
        100% { transform: scale(1.2); opacity: 0; }
      }

      .step h3 {
        font-size: 1.4rem;
        font-weight: 700;
        margin-bottom: 1rem;
        color: var(--text-color);
      }

      .step p {
        color: var(--text-light);
        font-size: 1.05rem;
        line-height: 1.6;
      }

      /* Footer */
      .footer {
        background-color: #f9fafb;
        padding: 1rem 0;
        text-align: center;
        color: #64748b;
        margin-top: 2rem;
        font-size: 0.9rem;
        border-top: 1px solid var(--border-color);
      }

      .footer p {
        margin: 0;
      }

      /* Responsive Design */
      @media (max-width: 768px) {
        .navbar-container {
          padding: 0 1rem;
        }

        .brand-logo {
          width: 120px;
        }

        .navbar-nav {
          display: none; /* Hide navigation links on mobile */
        }

        .mobile-menu-btn {
          display: flex;
        }

        .navbar-right {
          gap: 0.5rem;
        }

        .hero h1 {
          font-size: 2.5rem;
        }

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

        .hero .cta {
          flex-direction: column;
          gap: 1rem;
        }

        .hero .btn {
          width: 100%;
          max-width: 300px;
        }

        .section-title {
          font-size: 2.2rem;
        }

        .features-grid {
          grid-template-columns: 1fr;
          gap: 2rem;
        }

        .feature-card {
          padding: 2rem 1.5rem;
        }

        .steps {
          grid-template-columns: 1fr;
          gap: 2rem;
        }

        .btn {
          padding: 0.75rem 1.5rem;
          font-size: 0.95rem;
        }

      }

      /* Side panel styles */
      .side-panel {
        position: fixed;
        top: 0;
        right: -400px;
        width: 400px;
        height: 100vh;
        background: white;
        box-shadow: -5px 0 25px rgba(0, 0, 0, 0.1);
        z-index: 2000;
        transition: right 0.3s ease-in-out;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        touch-action: pan-y;
        padding-top: 60px;
        border-left: 1px solid rgba(0, 0, 0, 0.05);
      }

      .side-panel.active {
        right: 0;
      }

      .side-panel-content {
        padding: 2rem;
        /* Add extra bottom padding so the last lines are not hidden
           behind browser UI on mobile and allow scrolling even when
           the content fits within one viewport height. */
        padding-bottom: 5rem;
      }

      .side-panel-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 1.75rem;
        border-bottom: 1px solid var(--border-color);
        padding-bottom: 1.25rem;
      }

      .side-panel-title {
        font-size: 1.5rem;
        font-weight: 600;
        color: var(--primary-color);
        position: relative;
        padding-left: 1rem;
      }

      .side-panel-title::before {
        content: "";
        position: absolute;
        left: 0;
        top: 0.2rem;
        bottom: 0.2rem;
        width: 4px;
        background: var(--primary-color);
        border-radius: 4px;
      }

      .close-panel {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        background: #f3f4f6;
        border: 1px solid var(--border-color);
        width: 36px;
        height: 36px;
        border-radius: 50%;
        font-size: 1.25rem;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        color: var(--text-color);
        transition: all 0.2s ease;
      }

      .close-panel:hover {
        background: #e5e7eb;
        color: var(--primary-color);
        transform: rotate(90deg);
      }

      /* Overlay for when side panel is open */
      .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1200;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease;
      }

      .overlay.active {
        opacity: 1;
        visibility: visible;
      }

      /* Contact form styles */
      .contact-form .form-group {
        margin-bottom: 1.5rem;
      }

      .contact-form .form-group label {
        display: block;
        margin-bottom: 0.5rem;
        font-weight: 500;
      }

      .contact-form .form-group input,
      .contact-form .form-group textarea {
        width: 100%;
        padding: 0.75rem;
        border: 1px solid var(--border-color);
        border-radius: 0.375rem;
        background: white;
      }

      .contact-form .form-group textarea {
        height: 150px;
        resize: vertical;
      }

      .send-button {
        background: var(--primary-color);
        color: white;
        padding: 0.75rem 1.5rem;
        border: none;
        border-radius: 0.375rem;
        font-size: 1rem;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s ease;
        width: 100%;
      }

      .send-button:hover {
        background: var(--primary-dark);
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
      }

      /* Force font-family for all input fields, including autofilled ones */
      input,
      button,
      select,
      textarea {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
      }

      input:-webkit-autofill,
      input:-webkit-autofill:focus,
      input:-webkit-autofill:hover,
      input:-webkit-autofill:active {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
        -webkit-text-fill-color: var(--text-color);
        transition: background-color 9999s ease-in-out 0s;
      }