:root {
    /* Colors - Food Branding Palette */
    --color-primary: #FF6B35; /* Warm Orange - energetic, appetizing */
    --color-primary-dark: #E85A28;
    --color-secondary: #F7B32B; /* Golden Yellow - warmth, richness */
    --color-accent: #6BBF59; /* Fresh Green - herbs, freshness */
    --color-bg: #FFF9F5; /* Warm off-white */
    --color-surface: #FFFFFF;
    --color-text: #2D2D2D;
    --color-text-light: #6B6B6B;
    --color-border: #E5DDD5;
    --color-success: #4CAF50;
    --color-error: #E53935;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 0.875rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 2.5rem;
    --line-height-base: 1.6;
    --line-height-tight: 1.3;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-hover: 0 8px 20px rgba(255, 107, 53, 0.2);
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-fast: 0.15s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-bg);
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(247, 179, 43, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 107, 53, 0.05) 0%, transparent 50%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-base);
}

a:hover,
a:focus {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Header */
.header {
    background-color: var(--color-surface);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-md);
    padding-bottom: var(--spacing-md);
}

.logo {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo:hover {
    color: var(--color-primary);
    text-decoration: none;
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
}

.nav a {
    font-weight: 500;
    color: var(--color-text);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.nav a:hover,
.nav a:focus {
    color: var(--color-primary);
    background-color: rgba(255, 107, 53, 0.1);
    text-decoration: none;
}

/* Hero Section */
.hero {
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    line-height: var(--line-height-tight);
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-benefits {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: 500;
}

.benefit-icon {
    font-size: var(--font-size-xl);
}

/* Quiz Section */
.quiz-section {
    padding: var(--spacing-2xl) 0;
    min-height: 60vh;
}

.quiz-container {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--color-surface);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
}

/* Progress Bar */
.progress-bar {
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    height: 12px;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.progress-fill {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    height: 100%;
    border-radius: var(--radius-full);
    transition: width 0.5s ease;
    width: 0%;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: var(--font-size-sm);
    font-weight: 700;
    color: var(--color-text);
}

/* Question Styles */
.question {
    margin-bottom: var(--spacing-xl);
}

.question-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.answers {
    display: grid;
    gap: var(--spacing-md);
}

.answer-card {
    background-color: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.answer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    transform: scaleY(0);
    transition: transform var(--transition-base);
}

.answer-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.answer-card:hover::before {
    transform: scaleY(1);
}

.answer-card:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.answer-card.selected {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(247, 179, 43, 0.1));
}

.answer-card.selected::before {
    transform: scaleY(1);
}

.answer-label {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    display: block;
}

/* Quiz Navigation */
.quiz-nav {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    font-family: inherit;
}

.btn:focus {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-submit {
    width: 100%;
    font-size: var(--font-size-lg);
    padding: var(--spacing-lg);
}

/* Contact Form */
.contact-form-wrapper {
    animation: fadeInUp 0.5s ease;
}

.form-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.form-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.form-header p {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

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

.form-group label {
    font-weight: 600;
    color: var(--color-text);
    font-size: var(--font-size-base);
}

.required {
    color: var(--color-error);
}

.form-group input {
    padding: var(--spacing-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: inherit;
    transition: all var(--transition-base);
    background-color: var(--color-surface);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group input.error {
    border-color: var(--color-error);
}

.error-message {
    font-size: var(--font-size-sm);
    color: var(--color-error);
    min-height: 1.25rem;
}

/* Thank You Message */
.thank-you-message {
    text-align: center;
    animation: fadeInScale 0.6s ease;
}

.thank-you-content {
    padding: var(--spacing-xl);
}

.thank-you-icon {
    font-size: 4rem;
    display: block;
    margin-bottom: var(--spacing-lg);
    animation: sparkle 1s ease infinite alternate;
}

.thank-you-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.thank-you-content p {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.email-highlight {
    font-weight: 700;
    color: var(--color-primary);
    font-size: var(--font-size-lg);
}

.thank-you-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
}

/* Contact Section */
.contact-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-surface);
}

.contact-section h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    color: var(--color-text);
    margin-bottom: var(--spacing-xl);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.contact-card {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.contact-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.contact-icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.contact-card h3 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.contact-card p,
.contact-card a {
    font-size: var(--font-size-base);
    color: var(--color-text-light);
    line-height: 1.7;
}

.contact-card a:hover {
    color: var(--color-primary);
}

/* Footer */
.footer {
    background-color: var(--color-text);
    color: #FFFFFF;
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

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

.footer-section h4 {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--color-secondary);
}

.footer-section p {
    font-size: var(--font-size-sm);
    color: #E0E0E0;
    line-height: 1.7;
}

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

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: #E0E0E0;
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

.footer-section a:hover {
    color: var(--color-secondary);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: #B0B0B0;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes sparkle {
    from {
        transform: scale(1) rotate(0deg);
    }
    to {
        transform: scale(1.1) rotate(5deg);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-benefits {
        gap: var(--spacing-md);
    }

    .quiz-container {
        padding: var(--spacing-lg);
    }

    .question-title {
        font-size: var(--font-size-lg);
    }

    .answer-label {
        font-size: var(--font-size-base);
    }

    .quiz-nav {
        flex-direction: column-reverse;
    }

    .quiz-nav .btn {
        width: 100%;
    }

    .nav {
        gap: var(--spacing-md);
    }

    .nav a {
        font-size: var(--font-size-sm);
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-xl);
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }

    .quiz-container {
        padding: var(--spacing-md);
    }

    .form-header h2 {
        font-size: var(--font-size-xl);
    }
}

/* Print Styles */
@media print {
    .header,
    .quiz-nav,
    .footer {
        display: none;
    }
}