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

:root {
    /* WUFoods Brand Colors */
    --primary-green: #8BC34A;
    --primary-blue: #2196F3;
    --accent-red: #FF5252;
    --cream: #FFF5E6;
    --cream-dark: #FFE8C5;

    /* Neutral Colors */
    --dark-text: #2C3E50;
    --medium-text: #546E7A;
    --light-text: #78909C;
    --white: #FFFFFF;
    --light-bg: #F8F9FA;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 12px 32px rgba(0, 0, 0, 0.2);

    /* Border Radius - Duolingo style! */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
}

body {
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--dark-text);
    line-height: 1.6;
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Typography ===== */
h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark-text);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.3;
    color: var(--dark-text);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

h3 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 700;
    line-height: 1.4;
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
}

p {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--medium-text);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    color: var(--medium-text);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 16px 32px;
    font-size: 1.125rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    font-family: 'Nunito', sans-serif;
    box-shadow: var(--shadow-md);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-green) 0%, #7CB342 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #9CCC65 0%, var(--primary-green) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover::before {
    opacity: 1;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-large {
    padding: 20px 48px;
    font-size: 1.375rem;
}

/* Pulse animation for main CTA */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.pulse:hover {
    animation: none;
}

/* ===== Hero Section ===== */
.hero {
    background: linear-gradient(135deg, var(--cream) 0%, var(--cream-dark) 100%);
    padding: var(--spacing-2xl) 0;
    overflow: hidden;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2.5vw, 1.5rem);
    color: var(--medium-text);
    margin-bottom: var(--spacing-lg);
}

.benefits-list {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.benefits-list li {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--dark-text);
    padding: var(--spacing-xs) 0;
    font-weight: 600;
}

.cta-group {
    margin-top: var(--spacing-lg);
}

.cta-group.center {
    text-align: center;
}

.cta-subtext {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    color: var(--light-text);
    font-weight: 400;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}

.mascot-img {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.1));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ===== Problem Section ===== */
.problem {
    padding: var(--spacing-2xl) 0;
    background-color: var(--light-bg);
}

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

.problem-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

.problem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-red);
}

.problem-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.problem-card h3 {
    color: var(--dark-text);
    margin-bottom: var(--spacing-sm);
}

.problem-card p {
    color: var(--medium-text);
    font-size: 1rem;
}

/* ===== Solution Section ===== */
.solution {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.feature-card {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 3px solid transparent;
}

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

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

/* ===== Value Stack Section ===== */
.value-stack {
    padding: var(--spacing-2xl) 0;
    background: var(--white);
}

.value-items {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.value-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    background: var(--light-bg);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.value-item:hover {
    background: linear-gradient(135deg, #F0F9FF 0%, #E0F2FE 100%);
    transform: translateX(8px);
}

.value-item.highlight {
    background: linear-gradient(135deg, #FFF9E6 0%, #FFECB3 100%);
    border: 2px solid #FFC107;
}

.checkmark {
    font-size: 1.5rem;
    color: var(--primary-green);
    font-weight: bold;
    flex-shrink: 0;
}

.value-details h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.value-details p {
    font-size: 0.938rem;
    margin-bottom: var(--spacing-xs);
}

.value-price {
    font-size: 0.875rem;
    color: var(--light-text);
    font-style: italic;
}

.value-total {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--cream) 0%, var(--cream-dark) 100%);
    border-radius: var(--radius-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.total-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--medium-text);
    margin-bottom: var(--spacing-xs);
}

.strikethrough {
    text-decoration: line-through;
    color: var(--light-text);
}

.today-price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--dark-text);
}

.price-large {
    font-size: 2.5rem;
    color: var(--primary-green);
}

/* ===== FAQ Section ===== */
.faq {
    padding: var(--spacing-2xl) 0;
    background: var(--light-bg);
}

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

.faq-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.faq-item h3 {
    color: var(--primary-blue);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.faq-item p {
    font-size: 1rem;
    color: var(--medium-text);
}

/* ===== Final CTA Section ===== */
.final-cta {
    padding: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, #7CB342 100%);
    color: var(--white);
    text-align: center;
}

.final-cta h2 {
    color: var(--white);
}

.final-cta p {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.final-cta .btn-primary {
    background: var(--white);
    color: var(--primary-green);
    margin-bottom: var(--spacing-lg);
}

.final-cta .btn-primary:hover {
    background: var(--cream);
}

.guarantees {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.guarantee-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    font-weight: 600;
}

.badge-icon {
    font-size: 1.5rem;
}

/* ===== Footer ===== */
.footer {
    background: var(--dark-text);
    color: var(--white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.footer-links {
    margin-top: var(--spacing-sm);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin: 0 var(--spacing-xs);
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--white);
}

/* ===== Responsive Design ===== */
@media (max-width: 968px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text {
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .benefits-list {
        text-align: left;
        display: inline-block;
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 32px;
        --spacing-2xl: 48px;
    }

    .hero,
    .problem,
    .solution,
    .value-stack,
    .faq,
    .final-cta {
        padding: var(--spacing-xl) 0;
    }

    .problem-grid,
    .features-grid,
    .faq-grid {
        grid-template-columns: 1fr;
    }

    .btn-large {
        padding: 16px 32px;
        font-size: 1.125rem;
    }

    .guarantees {
        flex-direction: column;
        align-items: center;
    }

    .mascot-img {
        max-width: 350px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .value-item {
        flex-direction: column;
        text-align: center;
    }

    .price-large {
        font-size: 2rem;
    }
}

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

/* Focus styles for keyboard navigation */
a:focus-visible,
button:focus-visible {
    outline: 3px solid var(--primary-blue);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .hero,
    .final-cta {
        background: var(--white);
        color: var(--dark-text);
    }

    .btn {
        display: none;
    }
}