/* Main Stylesheet - Non-critical CSS loaded async */

/* Import official color palette */
@import url('app-colors.css');

/* Import variant styles */
@import url('variants/hero-variants.css');

/* Reset and base improvements */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

/* Enhanced navigation */
.nav-links {
    align-items: center;
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: var(--color-primary);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

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

/* Mobile navigation */
.nav-links.mobile-open {
    display: flex;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 999;
    gap: 1.5rem;
}

.mobile-toggle.active {
    color: var(--color-primary);
    transform: rotate(90deg);
    transition: all 0.3s ease;
}

/* Enhanced hero section */
.hero {
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(92, 0, 41, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(248, 150, 216, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

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

/* Features section styles */
.features-section {
    padding: 100px 0;
    background: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #b83dba, #8b1b85);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-brand-primary);
    border-radius: 20px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    position: relative;
    overflow: hidden;
}

.feature-icon::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: rotate(45deg) translateX(-100%);
    transition: transform 0.6s ease;
}

.feature-card:hover .feature-icon::after {
    transform: rotate(45deg) translateX(100%);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-on-surface);
}

.feature-description {
    color: var(--color-on-surface-variant);
    line-height: 1.7;
    font-size: 1.1rem;
}

/* How it works section */
.how-it-works {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-surface-container) 0%, var(--color-surface) 100%);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.step-card {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-brand-primary);
    color: var(--color-on-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 2rem;
    position: relative;
    z-index: 2;
}

.step-card::after {
    content: '';
    position: absolute;
    top: 30px;
    left: 50%;
    width: calc(100% - 60px);
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), transparent);
    transform: translateX(30px);
    z-index: 1;
}

.step-card:last-child::after {
    display: none;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-on-surface);
}

.step-description {
    color: var(--color-on-surface-variant);
    line-height: 1.6;
}

/* Pricing section */
.pricing-section {
    padding: 100px 0;
    background: var(--color-surface);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-card {
    background: var(--color-surface);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    border: 2px solid var(--color-outline);
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card.featured {
    border-color: var(--color-primary);
    transform: scale(1.05);
    box-shadow: 0 20px 50px rgba(92, 0, 41, 0.2);
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-brand-primary);
    color: var(--color-on-primary);
    padding: 0.5rem 2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-on-surface);
}

.plan-price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.plan-period {
    color: var(--color-on-surface-variant);
    margin-bottom: 2rem;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 2rem 0;
}

.plan-features li {
    padding: 0.75rem 0;
    color: var(--color-on-surface-variant);
    position: relative;
    padding-left: 2rem;
}

.plan-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.plan-cta {
    width: 100%;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.pricing-card:not(.featured) .plan-cta {
    background: var(--color-surface);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.pricing-card:not(.featured) .plan-cta:hover {
    background: var(--color-primary);
    color: var(--color-on-primary);
}

.pricing-card.featured .plan-cta {
    background: var(--gradient-brand-primary);
    color: var(--color-on-primary);
    border: none;
}

.pricing-card.featured .plan-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(92, 0, 41, 0.4);
}

/* FAQ section */
.faq-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--color-surface-container) 0%, var(--color-surface) 100%);
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
    margin-top: 4rem;
}

.faq-item {
    background: var(--color-surface);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(92, 0, 41, 0.08);
}

.faq-question {
    padding: 1.5rem 2rem;
    background: var(--color-surface);
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-on-surface);
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(92, 0, 41, 0.05);
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 2rem;
    font-size: 1.5rem;
    color: var(--color-primary);
    transition: transform 0.3s ease;
}

.faq-question.active::after {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: rgba(92, 0, 41, 0.02);
}

.faq-answer.active {
    max-height: 200px;
}

.faq-answer-content {
    padding: 0 2rem 1.5rem;
    color: var(--color-on-surface-variant);
    line-height: 1.6;
}

/* Footer */
.footer {
    background: var(--color-tyrian-purple-100);
    color: var(--color-papaya-whip-900);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    color: var(--color-persian-pink-600);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section ul li a {
    color: var(--color-papaya-whip-700);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--color-persian-pink-600);
}

.footer-bottom {
    border-top: 1px solid var(--color-tyrian-purple-300);
    padding-top: 2rem;
    text-align: center;
    color: var(--color-papaya-whip-600);
}

/* Animations and transitions */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

/* Performance optimizations */
.hero-image,
.feature-screenshot {
    will-change: transform;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .step-card::after {
        display: none;
    }
    
    .pricing-cards {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .pricing-card.featured {
        transform: none;
        order: -1;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero .subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-primary,
    .cta-secondary {
        width: 100%;
        max-width: 300px;
        text-align: center;
        justify-content: center;
    }
}

/* Tablet optimizations */
@media (min-width: 769px) and (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 2dppx) {
    .feature-icon {
        transform: translateZ(0);
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    /* Keep light theme for now - can be extended later */
}

/* Print styles */
@media print {
    .header,
    .footer,
    .cta-button,
    .cta-primary,
    .cta-secondary {
        display: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
    
    .hero {
        background: white !important;
    }
}