/**
 * Sakuichi Enhanced Styles
 * Extracted and optimized styles for better performance and maintainability
 */

/* Logo and branding optimizations */
.logo-img {
    height: 50px;
    width: auto;
    vertical-align: middle;
}

.logo-text-hidden {
    color: transparent;
    font-size: 0;
    position: absolute;
    left: -9999px;
    /* Better accessibility than display: none */
}

/* Logo link styling */
.logo-link {
    text-decoration: none;
    color: inherit;
    display: inline-flex;
    align-items: center;
    transition: opacity 0.2s ease;
    cursor: pointer;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo-link:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Performance optimization - CSS animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scroll-triggered animations */
.animate-in {
    animation: fadeInUp 0.6s ease-out;
}

.animate-in.slide-left {
    animation: slideInLeft 0.6s ease-out;
}

/* Loading states for better UX */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #4f46e5;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Enhanced form styles for better accessibility */
.form-field-enhanced {
    position: relative;
    margin-bottom: 1.5rem;
}

.form-field-enhanced input:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

.form-field-enhanced .error-message {
    color: #dc2626;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-field-enhanced.has-error .error-message {
    display: block;
}

.form-field-enhanced.has-error input {
    border-color: #dc2626;
}

/* Success and error message styles */
.success-message {
    background: #f0f9ff;
    border: 1px solid #38bdf8;
    border-radius: 8px;
    padding: 1rem;
    color: #0c4a6e;
}

.success-message h3 {
    margin: 0 0 0.5rem 0;
    color: #0369a1;
}

.error-message {
    background: #fef2f2;
    border: 1px solid #fca5a5;
    border-radius: 8px;
    padding: 1rem;
    color: #7f1d1d;
}

.error-message h3 {
    margin: 0 0 0.5rem 0;
    color: #dc2626;
}

/* Mobile menu enhanced accessibility */
@media (max-width: 768px) {
    .nav-links.active {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
        transition: all 0.3s ease-in-out;
    }
    
    .nav-links {
        visibility: hidden;
        opacity: 0;
        transform: translateY(-10px);
        transition: all 0.3s ease-in-out;
    }
}

/* Enhanced focus management */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: #4f46e5;
    color: white;
    padding: 8px;
    z-index: 1000;
    text-decoration: none;
    border-radius: 4px;
}

.skip-link:focus {
    top: 6px;
}

/* Print styles for better printability */
@media print {
    .header,
    .nav,
    .mobile-menu-button,
    .cta-primary,
    .cta-white,
    .demo-form-simple {
        display: none;
    }
    
    .hero-title,
    .comparison-title,
    .section-title {
        color: #000 !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .cta-primary,
    .cta-white {
        border: 2px solid currentColor;
    }
    
    .nav-link:hover,
    .nav-link:focus {
        background: ButtonHighlight;
        color: ButtonText;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark mode support preparation */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #1f2937;
        --text-primary: #f9fafb;
        --border-color: #374151;
    }
    
    /* Add dark mode styles as needed */
}

/* Performance optimizations */
.hero,
.comparison-item,
.feature-card,
.plan-card {
    will-change: transform;
}

/* Optimize repaints */
.nav-links,
.mobile-menu-button {
    backface-visibility: hidden;
    transform: translateZ(0);
}

/* ===========================================
   Enhanced Navigation Structure
   =========================================== */

/* Navigation layout improvements */
.nav-info-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-primary-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* Enhanced CTA button hierarchy */
.nav-cta-primary {
    background: linear-gradient(135deg, var(--color-primary), #7c3aed);
    color: white;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 14px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.2);
}

.nav-cta-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.nav-cta-secondary {
    color: var(--color-primary);
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 14px;
    border: 1px solid var(--color-primary);
    transition: all 0.2s ease;
}

.nav-cta-secondary:hover {
    background: var(--color-primary);
    color: white;
}

/* ===========================================
   Login Link Styles
   =========================================== */

/* Header login link */
.nav-cta-login {
    color: #6b7280;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    vertical-align: middle;
}

.nav-cta-login:hover {
    color: #4f46e5;
    background-color: #f8fafc;
    border-color: #e2e8f0;
}

.nav-cta-login:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

/* Existing user login prompt */
.existing-user-login {
    text-align: center;
    margin-top: 20px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}

.login-prompt {
    font-size: 14px;
    color: #64748b;
    margin: 0;
}

.login-link {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.login-link:hover {
    color: #3730a3;
    text-decoration: underline;
}

.login-link:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
    border-radius: 2px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .nav-info-links {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
        margin-bottom: var(--spacing-md);
        border-bottom: 1px solid #e2e8f0;
        padding-bottom: var(--spacing-md);
    }
    
    .nav-link {
        width: 100%;
        padding: var(--spacing-sm);
        text-align: center;
        border-radius: var(--radius-sm);
    }
    
    .nav-link:hover {
        background: #f8fafc;
    }
    
    .nav-cta-buttons {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }
    
    .nav-primary-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
        width: 100%;
    }
    
    .nav-cta-login {
        align-self: center;
        margin-bottom: var(--spacing-sm);
    }
    
    .nav-cta-primary,
    .nav-cta-secondary {
        text-align: center;
        width: 100%;
        padding: var(--spacing-md);
        font-size: 16px;
    }
    
    .existing-user-login {
        margin-top: 16px;
        padding: 12px;
    }
}