:root {
    --color-primary: #333;
    --color-secondary: #666;
    --color-light-gray: #f7f7f7;
    --color-white: #fff;
    --color-black: #000;
    --color-background: #fff;
    --color-button-bg: #222;
    --color-button-light-bg: #f2f2f2;
    --color-focus: rgba(0, 123, 255, 0.5);
    --border-radius-small: 8px;
    --border-radius-large: 20px;
    --spacing-xxs: 5px;
    --spacing-xs: 10px;
    --spacing-sm: 20px;
    --spacing-md: 30px;
    --spacing-lg: 50px;
    --spacing-xl: 75px;
    --shadow-card: 0 0.8px 2.4px rgba(0, 0, 0, 0.02),
                    0 2.4px 7.2px rgba(0, 0, 0, 0.02),
                    0 6.4px 19.2px rgba(0, 0, 0, 0.02),
                    0 20px 60px rgba(0, 0, 0, 0.02);
    --shadow-button: 0 0.7px 0.7px rgba(0, 0, 0, 0.1),
                     0 1.8px 1.8px rgba(0, 0, 0, 0.09),
                     0 3.6px 3.6px rgba(0, 0, 0, 0.08),
                     0 6.9px 6.9px rgba(0, 0, 0, 0.07);
    --shadow-button-hover: 0 2px 4px rgba(0, 0, 0, 0.15),
                          0 4px 8px rgba(0, 0, 0, 0.12),
                          0 8px 16px rgba(0, 0, 0, 0.1),
                          0 16px 32px rgba(0, 0, 0, 0.08);
    /* Transition values for animations */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    --color-primary-rgb: 0, 82, 204; /* RGB values for primary color */
    --color-button-bg-rgb: 80, 70, 229; /* RGB values for button background */
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--color-background);
    color: var(--color-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Improve accessibility and robustness */
:focus-visible {
    outline: 3px solid rgba(0, 123, 255, 0.5);
    outline-offset: 3px;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

:focus:not(:focus-visible) {
    outline: none;
}

/* Enhanced keyboard navigation */
a:focus-visible, button:focus-visible, 
[tabindex="0"]:focus-visible, input:focus-visible, 
select:focus-visible, textarea:focus-visible {
    outline: 3px solid rgba(0, 123, 255, 0.5);
    outline-offset: 3px;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
    border-radius: 2px;
}

/* Prevent layout shifts with smooth transitions */
* {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

/* Improve tap targets on mobile */
button, a {
    transition: all var(--transition-fast);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

/* Header */
header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-lg) var(--spacing-lg);
    gap: var(--spacing-sm);
}

.logo {
    width: 69px;
    height: auto;
    margin-bottom: var(--spacing-xs);
}

h1 {
    font-size: 72px;
    font-weight: 700;
    letter-spacing: -3.8px;
    margin-bottom: var(--spacing-xs);
}

header h2 {
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.7px;
    color: #888;
    max-width: 600px;
    margin-bottom: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-block;
    background-color: var(--color-button-bg);
    color: var(--color-white);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    padding: 15px 22px;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-button);
    cursor: pointer;
    border: none;
    transition: box-shadow var(--transition-medium);
    -webkit-tap-highlight-color: transparent; /* Remove default mobile tap highlight */
}

.btn:hover {
    box-shadow: var(--shadow-button-hover);
}

.btn:active, .btn:focus {
    box-shadow: var(--shadow-button);
}

.btn-light {
    background-color: var(--color-button-light-bg);
    color: var(--color-black);
}

/* Pricing Section */
.pricing {
    padding: var(--spacing-lg) var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pricing-container {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1000px;
    width: 100%;
}


.pricing-card {
    background-color: var(--color-white);
    border-radius: var(--border-radius-large);
    padding: var(--spacing-md);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08); /* Added shadow matching meal kit cards */
    flex: 1;
    min-width: 300px;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    transition: transform var(--transition-medium), 
                box-shadow var(--transition-medium); /* Added transition for hover effect */
}

.pricing-type {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-secondary);
}

.price-container {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.price {
    font-size: 54px;
    font-weight: 700;
    letter-spacing: -3px;
    line-height: 1;
}

.price-period {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: 10px;
}

.features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.feature svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.feature-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-secondary);
}

.pricing-card .btn {
    margin-top: var(--spacing-xs);
    align-self: center;
}

/* Updated FAQ Section Styles */
.faq {
    padding: 60px 0;
}

.faq h2 {
    text-align: center;
    margin-bottom: 40px;
}

.faq-container {
    max-width: 840px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 16px;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
    background: #fff;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.faq-question {
    padding: 20px 24px;
    display: flex;
    align-items: center;
    cursor: pointer;
    position: relative;
}

.faq-icon {
    width: 24px;
    height: 24px;
    margin-right: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
    color: var(--color-button-bg); /* Changed from #4a90e2 to var(--color-button-bg) */
}

.faq-question h3 {
    font-size: 18px;
    margin: 0;
    font-weight: 600;
    flex: 1;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.active .faq-answer {
    max-height: 2000px;
    padding: 0 24px 24px;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

/* Card layout for first FAQ */
.faq-card {
    display: flex;
    margin-bottom: 20px;
    padding: 16px;
    border-radius: 8px;
    background-color: #f8f9fa;
    transition: transform 0.2s ease;
}

.faq-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

.card-icon {
    font-size: 24px;
    margin-right: 16px;
    display: flex;
    align-items: center;
}

.card-content h4 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
}

.card-content p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    color: #666;
}

/* Step layout for second FAQ */
.faq-step {
    display: flex;
    margin-bottom: 16px;
    align-items: flex-start;
}

.step-number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--color-button-bg); /* Changed from #4a90e2 to var(--color-button-bg) */
    color: white;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    flex-shrink: 0;
}

.step-content h4 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
}

.step-content p {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    color: #666;
}

/* Update the How does The Lab work? section to use card layout with emojis like the first FAQ */
.faq-item#faq-2 .faq-answer {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Responsive - Mobile Portrait */
@media (max-width: 479px) {
    .container {
        max-width: 100%;
        padding: 0 var(--spacing-xs);
    }
    
    h1 {
        font-size: 40px;
        letter-spacing: -1.5px;
    }
    
    header {
        padding: var(--spacing-md) var(--spacing-xs) var(--spacing-sm);
    }
    
    header h2 {
        font-size: 16px;
        padding: 0 var(--spacing-xs);
    }
    
    .logo {
        width: 50px;
    }
    
    .price {
        font-size: 42px;
    }
    
    .faq h2 {
        font-size: 28px;
    }
    
    .faq-question {
        font-size: 16px;
        padding: 24px 0; /* Larger touch target */
    }
    
    .pricing, .faq {
        padding: var(--spacing-md) var(--spacing-xs);
    }
    
    .pricing-card {
        padding: var(--spacing-sm);
    }
    
    .feature-text {
        font-size: 13px;
    }
}

/* Responsive - Tablets */
@media (max-width: 1199px) {
    .container {
        max-width: 810px;
    }
    
    header {
        padding: var(--spacing-xl) var(--spacing-md) var(--spacing-lg);
        gap: var(--spacing-lg);
    }
    
    h1 {
        font-size: 64px;
    }
    
    .pricing-card {
        min-width: 280px;
    }
    
    .faq-container {
        width: 90%;
    }
}

/* Responsive - Mobile Landscape */
@media (max-width: 809px) {
    .container {
        max-width: 480px;
        padding: 0 var(--spacing-sm);
    }
    
    h1 {
        font-size: 48px;
        letter-spacing: -2px;
    }
    
    header {
        padding: var(--spacing-lg) var(--spacing-sm);
        gap: var(--spacing-md);
    }
    
    header h2 {
        font-size: 18px;
    }
    
    .pricing-container {
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-card {
        width: 100%;
        max-width: 400px;
    }
    
    .faq h2 {
        font-size: 36px;
    }
}

/* Touch device enhancements */
@media (hover: none) {
    .btn {
        padding: 18px 22px; /* Larger touch target */
    }
    
    .btn:active, .btn.touch-active {
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1),
                   0 2px 4px rgba(0, 0, 0, 0.1);
    }
}

/* Enhanced Mobile Responsiveness */
@media (max-width: 768px) {
    .pricing-container {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .pricing-card {
        width: 100%;
        max-width: 400px;
    }
    
    .features {
        padding: 0 10px;
    }
    
    .feature {
        padding: 8px 0;
    }
    
    .feature svg {
        min-width: 24px;
    }
    
    .feature-text {
        font-size: 15px;
    }
    
    .btn {
        padding: 14px 20px;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
        display: block;
    }
}

@media (max-width: 480px) {
    .pricing-card {
        padding: 20px 15px;
    }
    
    .price {
        font-size: 36px;
    }
    
    .pricing-type {
        font-size: 18px;
    }
    
    .feature {
        gap: 8px;
    }
    
    .feature svg {
        width: 20px;
        height: 20px;
    }
    
    .feature-text {
        font-size: 14px;
    }
    
    .faq-question {
        padding: 15px 0;
    }
    
    .faq-card {
        padding: 15px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) {
    .btn, .faq-question, .feature {
        cursor: pointer;
        -webkit-tap-highlight-color: rgba(0,0,0,0.1);
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    /* Increase tap target sizes */
    .faq-question {
        min-height: 44px;
    }
}

/* Custom scrollbar styles for mobile */
@media (max-width: 768px) {
    body {
        scrollbar-width: thin;
        scrollbar-color: var(--color-button-bg) rgba(0, 0, 0, 0.05);
    }
    
    body::-webkit-scrollbar {
        width: 8px;
    }
    
    body::-webkit-scrollbar-track {
        background-color: rgba(0, 0, 0, 0.05);
        border-radius: 8px;
    }
    
    body::-webkit-scrollbar-thumb {
        background-color: rgba(0, 0, 0, 0.2);
        border-radius: 8px;
        border: 2px solid white;
        background-clip: padding-box;
    }
    
    body::-webkit-scrollbar-thumb:hover {
        background-color: var(--color-button-bg);
    }
}