/* MealCheater.com - Master Stylesheet */
/* Design System: Clean + Confident + Modern Nutrition */

/* ===== CSS RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors */
    --primary-color: #00CED1; /* Aqua - for CTAs */
    --primary-dark: #009DA0;
    --text-dark: #2C3E50;
    --text-light: #6C757D;
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --border-light: #E9ECEF;
    --success: #28A745;
    --warning: #FFC107;

    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    --spacing-xxl: 6rem;

    /* Layout */
    --max-width: 1200px;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    overflow-x: hidden;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-light);
}

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

a:hover {
    color: var(--primary-dark);
}

/* ===== LAYOUT ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
}

.section-alt {
    background-color: var(--off-white);
}

/* ===== HEADER & NAVIGATION ===== */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo {
    height: 50px;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.8;
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

nav a {
    color: var(--text-dark);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    transition: var(--transition);
}

nav a:hover {
    color: var(--primary-color);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* Mobile Navigation */
@media (max-width: 768px) {
    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    }

    nav.active {
        display: block;
    }

    nav ul {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .mobile-menu-toggle {
        display: block;
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(0, 206, 209, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 206, 209, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--text-dark);
    color: var(--white);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 206, 209, 0.7), rgba(44, 62, 80, 0.7));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: var(--spacing-md);
}

.hero h1 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

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

/* ===== PRODUCT GRID ===== */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.product-card {
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: var(--transition);
    text-align: center;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.product-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background-color: var(--off-white);
}

.product-info {
    padding: var(--spacing-md);
}

.product-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.product-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.product-macros {
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm);
    background-color: var(--off-white);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
}

.macro-item {
    text-align: center;
}

.macro-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.macro-label {
    font-size: 0.875rem;
    color: var(--text-light);
}

.product-price {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

/* ===== FEATURES SECTION ===== */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.feature-item {
    text-align: center;
    padding: var(--spacing-md);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.feature-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

/* ===== HOW IT WORKS ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.step-item {
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-md);
}

/* ===== PROOF/STATS SECTION ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    text-align: center;
}

.stat-item {
    padding: var(--spacing-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    margin-top: var(--spacing-sm);
}

/* ===== TESTIMONIALS/REVIEWS ===== */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.testimonial-stars {
    color: #FFD700;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.testimonial-author {
    font-weight: 600;
    color: var(--text-dark);
}

/* ===== GUARANTEE SECTION ===== */
.guarantee-box {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: var(--spacing-lg);
}

.guarantee-box h2,
.guarantee-box p {
    color: var(--white);
}

.guarantee-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.guarantee-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    justify-content: center;
}

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

/* ===== DISCLAIMER ===== */
.disclaimer {
    background-color: var(--off-white);
    padding: var(--spacing-md);
    border-left: 4px solid var(--warning);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
}

.disclaimer-title {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.disclaimer p {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--text-dark);
    color: var(--white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-disclaimer {
    font-size: 0.75rem;
    padding: var(--spacing-md);
    background-color: rgba(0, 0, 0, 0.2);
    margin-top: var(--spacing-md);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-primary);
    transition: var(--transition);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 206, 209, 0.1);
}

textarea {
    min-height: 150px;
    resize: vertical;
}

/* ===== STICKY BUY BAR ===== */
.sticky-buy-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -4px 15px rgba(0,0,0,0.1);
    padding: var(--spacing-md);
    z-index: 999;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.sticky-buy-bar.visible {
    transform: translateY(0);
}

.sticky-buy-content {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* ===== SUBSCRIPTION TOGGLE ===== */
.subscription-toggle {
    background: var(--off-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-md) 0;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 30px;
    margin-right: var(--spacing-sm);
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 30px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 22px;
    width: 22px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--success);
}

input:checked + .slider:before {
    transform: translateX(30px);
}

.savings-badge {
    background-color: var(--success);
    color: var(--white);
    padding: 0.25rem 0.5rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
    margin-left: var(--spacing-xs);
}

/* ===== COMPARISON TABLE ===== */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-lg) 0;
    overflow-x: auto;
    display: block;
}

.comparison-table table {
    width: 100%;
    min-width: 600px;
}

.comparison-table th,
.comparison-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.comparison-table th {
    background-color: var(--off-white);
    font-weight: 700;
    color: var(--text-dark);
}

.comparison-table tr:hover {
    background-color: var(--off-white);
}

.highlight-column {
    background-color: rgba(0, 206, 209, 0.05);
}

/* ===== QUIZ STYLES ===== */
.quiz-container {
    max-width: 700px;
    margin: 0 auto;
}

.quiz-progress {
    background-color: var(--border-light);
    height: 8px;
    border-radius: 4px;
    margin-bottom: var(--spacing-lg);
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transition: width 0.3s ease;
}

.quiz-question {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    margin-bottom: var(--spacing-md);
}

.quiz-options {
    display: grid;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.quiz-option {
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.quiz-option:hover {
    border-color: var(--primary-color);
    background-color: rgba(0, 206, 209, 0.05);
}

.quiz-option.selected {
    border-color: var(--primary-color);
    background-color: rgba(0, 206, 209, 0.1);
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.text-primary {
    color: var(--primary-color);
}

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }

.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .hero {
        height: 500px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .product-grid,
    .features-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }

    .sticky-buy-content {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}