body {
            background: #FAFBFC;
            min-height: 100vh;
        }

        .hero-section {
            padding: 40px 0 50px;
            margin-top: 75px;
            background: white;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .hero-title {
            font-size: 2rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 0.75rem;
            letter-spacing: -0.025em;
            line-height: 1.2;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: #4a5568;
            margin-bottom: 1.75rem;
            font-weight: 400;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .features-section {
            padding: 40px 0 50px;
            background: #FAFBFC;
        }

        .features-section h2 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #1a1a1a;
            text-align: center;
        }

        .feature-card {
            padding: 1.25rem;
            height: 100%;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            transition: all 0.2s ease;
            background: white;
            text-align: center;
        }

        .feature-card:hover {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transform: translateY(-1px);
            border-color: #cbd5e0;
        }

        .feature-icon {
            width: 32px;
            height: 32px;
            background: rgba(155, 221, 255, 0.15);
            border-radius: 6px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.75rem;
        }

        .feature-icon svg {
            width: 18px;
            height: 18px;
            color: #2563eb;
        }

        .feature-card h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #1a1a1a;
        }

        .feature-card p {
            font-size: 0.85rem;
            color: #64748b;
            line-height: 1.5;
            margin: 0;
        }

        .btn-primary-custom {
            background: #9BDDFF;
            color: #1a1a1a;
            border: none;
            padding: 9px 22px;
            font-weight: 500;
            font-size: 0.9rem;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .btn-primary-custom:hover {
            background: #7dd3fc;
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(155, 221, 255, 0.4);
        }

        .btn-outline-custom {
            background: white;
            color: #475569;
            border: 1px solid #e2e8f0;
            padding: 9px 22px;
            font-weight: 500;
            font-size: 0.9rem;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .btn-outline-custom:hover {
            background: #f8fafc;
            border-color: #cbd5e0;
            color: #1a1a1a;
        }

        .navbar-landing {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
        }

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

        .use-cases {
            background: white;
            padding: 40px 0;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .email-section {
            background: white;
            padding: 50px 0;
            border-top: 1px solid rgba(0, 0, 0, 0.05);
        }

        .email-collector {
            max-width: 500px;
            margin: 0 auto;
            text-align: center;
        }

        .email-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #1a1a1a;
            margin-bottom: 0.5rem;
        }

        .email-subtitle {
            font-size: 0.95rem;
            color: #64748b;
            margin-bottom: 1.5rem;
        }

        .email-form {
            margin-bottom: 0;
        }

        .email-input-group {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
        }

        .email-input {
            flex: 1;
            padding: 9px 14px;
            border: 1px solid #e2e8f0;
            border-radius: 6px;
            font-size: 0.9rem;
            transition: all 0.2s ease;
        }

        .email-input:focus {
            outline: none;
            border-color: #9BDDFF;
            box-shadow: 0 0 0 3px rgba(155, 221, 255, 0.1);
        }

        .btn-email-submit {
            background: #9BDDFF;
            color: #1a1a1a;
            border: none;
            padding: 9px 24px;
            font-weight: 500;
            font-size: 0.9rem;
            border-radius: 6px;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .btn-email-submit:hover {
            background: #7dd3fc;
            box-shadow: 0 2px 8px rgba(155, 221, 255, 0.4);
        }

        .email-privacy {
            font-size: 0.75rem;
            color: #94a3b8;
            margin: 0;
        }

        .footer-section {
            background: #f8fafc;
            border-top: 1px solid #e2e8f0;
            padding: 20px 0;
            margin-top: 0;
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.75rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                padding: 40px 0 30px;
            }
            .features-section,
            .use-cases {
                padding: 30px 0;
            }
            .email-input-group {
                flex-direction: column;
            }
            .btn-email-submit {
                width: 100%;
            }
        }