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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: white;
    color: #1d1d1f;
    line-height: 1.6;
    position: relative;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

header {
    padding: 20px 0;
    border-bottom: 1px solid #f5f5f7;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 52px;
    width: auto;
}

nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    color: #1d1d1f;
    text-decoration: none;
    font-size: 17px;
}

.nav-link:hover {
    color: #007aff;
}

.hero {
    padding: 90px 0;
    text-align: center;
}

.hero h1 {
    font-size: 64px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-sub {
    font-size: 24px;
    color: #86868b;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: center;
}

.btn-primary {
    background: #007aff;
    color: white;
    padding: 16px 32px;
    border-radius: 12px;
    text-decoration: none;
    font-size: 17px;
    font-weight: 500;
    display: inline-block;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(255, 149, 0, 0.15);
}

.hero-actions .btn-primary {
    position: relative;
}

.hero-actions .btn-primary::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #5AA9FF 0%, #FFB36A 100%);
    opacity: 0.12;
    border-radius: 15px;
    filter: blur(10px);
    z-index: -1;
}

/* Section Gradients */
section {
    position: relative;
}

section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #5AA9FF 0%, #FFB36A 100%);
    opacity: 0.08;
    z-index: -1;
    pointer-events: none;
}

section:nth-child(even)::before {
    background: linear-gradient(135deg, #FFB36A 0%, #5AA9FF 100%);
    opacity: 0.1;
}

.hero::before,
.pricing::before,
.final-cta::before {
    opacity: 0.15;
}

.btn-primary:hover {
    background: #0056cc;
    transform: translateY(-1px);
}

.btn-secondary {
    color: #007aff;
    text-decoration: none;
    font-size: 17px;
    font-weight: 500;
}

.btn-secondary:hover {
    color: #0056cc;
}

.ownership {
    padding: 70px 0;
    text-align: center;
}

.ownership h2 {
    font-size: 48px;
    font-weight: 600;
    line-height: 1.1;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.ownership-content p {
    font-size: 24px;
    color: #86868b;
    margin-bottom: 28px;
}

.how-it-works {
    padding: 70px 0;
    text-align: center;
}

.how-it-works ol {
    list-style: none;
    counter-reset: step-counter;
    max-width: 600px;
    margin: 0 auto 48px;
}

.how-it-works li {
    counter-increment: step-counter;
    font-size: 24px;
    color: #86868b;
    margin-bottom: 24px;
    position: relative;
    padding-left: 60px;
}

.how-it-works li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: #007aff;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-weight: 600;
}

.footer-line {
    font-size: 17px;
    color: #86868b;
}

.pricing {
    padding: 70px 0;
    text-align: center;
}

.pricing h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.pricing-sub {
    font-size: 24px;
    color: #86868b;
    margin-bottom: 64px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 48px;
}

.pricing-card {
    background: #f5f5f7;
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
}

.credits {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
}

.price {
    font-size: 32px;
    font-weight: 600;
    margin-bottom: 8px;
}

.per-message {
    font-size: 14px;
    color: #86868b;
    margin-bottom: 24px;
}

.common-choice {
    font-size: 14px;
    color: #007aff;
    font-weight: 500;
    margin-bottom: 24px;
}

.pricing-card .btn-primary {
    width: 100%;
    text-align: center;
}

.pricing-card.featured .btn-primary {
    background: #ff9500;
    box-shadow: 0 2px 8px rgba(255, 149, 0, 0.25);
}

.pricing-card.featured .btn-primary:hover {
    background: #e6850e;
}

.pricing-footnote {
    font-size: 17px;
    color: #86868b;
}

.delivery {
    padding: 70px 0;
    text-align: center;
}

.delivery h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.delivery p {
    font-size: 24px;
    color: #86868b;
    max-width: 600px;
    margin: 0 auto;
}

.security {
    padding: 70px 0;
    text-align: center;
}

.security h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.security-content p {
    font-size: 24px;
    color: #86868b;
    margin-bottom: 28px;
}

.support {
    font-weight: 500;
    color: #1d1d1f !important;
}

.final-cta {
    padding: 70px 0;
    text-align: center;
}

.final-cta h2 {
    font-size: 48px;
    font-weight: 600;
    margin-bottom: 48px;
    letter-spacing: -0.02em;
}

.cta-actions {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: center;
}

footer {
    padding: 48px 0;
    border-top: 1px solid #f5f5f7;
    text-align: center;
}

.footer-nav {
    display: flex;
    gap: 32px;
    justify-content: center;
    margin-bottom: 24px;
}

.footer-nav a {
    color: #86868b;
    text-decoration: none;
    font-size: 17px;
}

.footer-nav a:hover {
    color: #1d1d1f;
}

.copyright {
    color: #86868b;
    font-size: 17px;
    margin-bottom: 16px;
}

.support-email {
    color: #86868b;
    font-size: 17px;
    margin-bottom: 8px;
}

.legal-info {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid #f5f5f7;
}

.legal-info p {
    color: #86868b;
    font-size: 14px;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .hero {
        padding: 50px 0;
    }
    
    .hero h1 {
        font-size: 40px;
    }
    
    .hero-sub {
        font-size: 20px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 16px;
    }
    
    .ownership, .how-it-works, .pricing, .delivery, .security, .final-cta {
        padding: 50px 0;
    }
    
    .ownership h2, .delivery h2, .security h2, .final-cta h2 {
        font-size: 32px;
    }
    
    .pricing h2 {
        font-size: 32px;
    }
    
    .ownership-content p, .delivery p, .security-content p {
        font-size: 20px;
    }
    
    .pricing-sub {
        font-size: 20px;
    }
    
    .how-it-works li {
        font-size: 20px;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .cta-actions {
        flex-direction: column;
        gap: 16px;
    }
    
    .footer-nav {
        flex-direction: column;
        gap: 16px;
    }
    
    nav {
        gap: 24px;
    }
}