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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
    background: #fff;
    color: #333;
    line-height: 1.5;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255 255 255 / 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 1px 3px rgb(0 0 0 / 0.1);
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    padding: 0 16px;
}

.logo {
    height: 40px;
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-link {
    color: #4b5563;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s ease;
}

.nav-link:hover {
    color: #111827;
}

.btn {
    display: inline-block;
    text-align: center;
    font-weight: 700;
    cursor: pointer;
    user-select: none;
    border-radius: 6px;
    border: none;
    text-decoration: none;
    transition: background-color 0.3s ease;
}

.btn-primary {
    background-color: #2563eb;
    color: white;
    padding: 10px 24px;
    font-size: 1rem;
}

.btn-primary:hover {
    background-color: #1d4ed8;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.25rem;
}

.full-width {
    width: 100%;
}

.mobile-menu-button {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
}

.mobile-nav {
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px;
    border-top: 1px solid #e5e7eb;
    background: white;
    display: none;
}

.mobile-nav .nav-link {
    font-size: 1.125rem;
}

.hero {
    padding: 120px 0 80px;
    background: white;
}

.grid-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.1;
    font-weight: 900;
    margin-bottom: 24px;
    color: #111827;
}

.highlight {
    color: #4a90a4;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #4b5563;
    max-width: 480px;
    margin-bottom: 32px;
}

.social-proof {
    display: flex;
    align-items: center;
    gap: 0;
    margin-top: 24px;
    color: #4b5563;
    font-weight: 600;
    position: relative;
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 0 0 1px #d1d5db;
    transition: transform 0.2s ease;
    margin-left: -12px;
    position: relative;
    z-index: 1;
}

.social-proof .avatar:first-child {
    margin-left: 0;
    z-index: 5;
}

.social-proof .avatar:nth-child(2) {
    z-index: 4;
}

.social-proof .avatar:nth-child(3) {
    z-index: 3;
}

.social-proof .avatar:nth-child(4) {
    z-index: 2;
}

.social-proof span {
    padding-left: 10px;
}

.hero-images {
    position: relative;
}

.main-image {
    width: 100%;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgb(0 0 0 / 0.1);
    border: 1px solid #e5e7eb;
}

.overlay-image {
    position: absolute;
    bottom: -24px;
    right: -24px;
    width: 75%;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgb(0 0 0 / 0.1);
    border: 1px solid #e5e7eb;
}

.section {
    padding: 80px 0;
    background: white;
    text-align: center;
}

.section h2 {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 16px;
    color: #111827;
}

.section p {
    font-size: 1.125rem;
    color: #4b5563;
    max-width: 720px;
    margin: 0 auto 48px;
}

.grid-3col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 960px;
    margin: 0 auto;
}

.grid-2col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    padding: 20px;
    margin: 0 auto;
}

.card {
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    padding: 32px 24px;
    box-shadow: 0 2px 8px rgb(0 0 0 / 0.05);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 8px 20px rgb(0 0 0 / 0.1);
}

.card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #111827;
}

.card p {
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.4;
}

.icon {
    font-size: 48px;
    margin-bottom: 16px;
    color: #4a90a4;
}

.target-icon::before {
    content: "🎯";
}

.trending-icon::before {
    content: "📈";
}

.check-icon::before {
    content: "✔️";
}

.shield-icon::before {
    content: "🛡️";
}

.testimonials-grid {
    max-width: unset;
    margin: 0 auto;
}

.testimonial .stars {
    color: #2563eb;
    font-size: 1.25rem;
    margin-bottom: 16px;
}

.testimonial .quote {
    font-style: italic;
    font-size: 1.125rem;
    color: #4b5563;
    margin-bottom: 24px;
}

.testimonial .author {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: center;
}

.testimonial .author .name {
    font-weight: 700;
    color: #111827;
}

.testimonial .author .role {
    color: #6b7280;
    font-size: 0.9rem;
}

.testimonial {
    text-align: center;
}

.faq-list {
    max-width: 720px;
    margin: 0 auto;
    text-align: left;
}

details summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 1.125rem;
    color: #111827;
    padding: 16px 0;
    border-bottom: 1px solid #e5e7eb;
}

details p {
    padding: 12px 0 24px 16px;
    color: #4b5563;
    font-size: 1rem;
    line-height: 1.5;
}

.final-cta a {
    display: inline-block;
    margin-top: 16px;
}

@media (max-width: 768px) {
    .grid-2col {
        grid-template-columns: 1fr;
    }

    .desktop-nav {
        display: none;
    }

    .mobile-menu-button {
        display: block;
    }

    .mobile-nav {
        display: none;
    }

    .hero-title {
        font-size: 2.25rem;
    }

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

.site-footer {
    background-color: #f9fafb;
    border-top: 1px solid #e5e7eb;
    padding: 24px 0;
    font-size: 0.95rem;
    color: #6b7280;
}
  
.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
  
.footer-links {
    display: flex;
    gap: 24px;
}
  
.footer-link {
    color: #6b7280;
    text-decoration: none;
    transition: color 0.2s ease;
}
  
.footer-link:hover {
    color: #111827;
}

@media (max-width: 1024px) {
    .hero-title {
        font-size: 2.5rem;
    }
  
    .hero-subtitle {
        font-size: 1.1rem;
    }
  
    .grid-2col, .grid-3col {
        grid-template-columns: 1fr;
    }
  
    .hero-images {
        margin-top: 32px;
        text-align: center;
    }
  
    .main-image {
        width: 90%;
        max-width: 400px;
        margin: 0 auto;
    }
  
    .overlay-image {
        width: 60%;
        right: 10%;
        bottom: -16px;
    }
  
    .social-proof {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }
  
    .card {
        padding: 24px 16px;
    }
  
    .testimonial .quote {
        font-size: 1rem;
    }
  
    .testimonial .author {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }
  
    footer .footer-content {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
}
  
@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
  
    .btn-lg {
        padding: 12px 24px;
        font-size: 1rem;
    }
  
    .avatar {
        width: 32px;
        height: 32px;
    }
  
    .overlay-image {
        display: none;
    }
}