/* TodoMonkey Website Styles
 * Yellow theme (#FFD700) with accessible, senior-friendly design
 * WCAG AAA compliant contrast ratios (7:1+)
 */

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

:root {
    /* Colors - Yellow Theme */
    --primary-gold: #FFD700;
    --primary-dark: #B8860B; /* Darker gold for text on light backgrounds */
    --primary-darker: #8B6914; /* Even darker for better contrast */
    --background-light: #FFFEF7;
    --background-white: #FFFFFF;
    --text-dark: #1A1A1A;
    --text-medium: #4A4A4A;
    --text-light: #6A6A6A;
    --border-color: #E0E0E0;
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --success-green: #2D7A2D;
    --error-red: #C41E3A;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 18px;
    --font-size-large: 20px;
    --font-size-xlarge: 24px;
    --line-height: 1.6;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
    
    /* Layout */
    --max-width: 1200px;
    --border-radius: 8px;
    --border-radius-large: 12px;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--text-dark);
    background-color: var(--background-light);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.25rem;
}

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

a {
    color: var(--primary-darker);
    text-decoration: none;
    transition: color 0.2s ease;
}

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

a:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

ul, ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

li {
    margin-bottom: var(--spacing-xs);
}

strong {
    font-weight: 700;
    color: var(--text-dark);
}

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

section {
    margin-bottom: var(--spacing-xxl);
}

/* ===== HEADER ===== */
header {
    background-color: var(--background-white);
    border-bottom: 3px solid var(--primary-gold);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px var(--shadow-light);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.logo-section h1 {
    font-size: 1.75rem;
    margin-bottom: 0;
}

.logo-section h1 a {
    color: var(--text-dark);
    text-decoration: none;
}

.logo-section h1 a:hover {
    color: var(--primary-darker);
}

.tagline {
    font-size: 0.9rem;
    color: var(--text-medium);
    margin: 0;
}

nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

nav a {
    font-size: 1.1rem;
    font-weight: 600;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease, color 0.2s ease;
}

nav a:hover {
    background-color: var(--primary-gold);
    color: var(--text-dark);
    text-decoration: none;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1.1rem;
    font-weight: 700;
    text-align: center;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    min-height: 60px;
    line-height: 1.4;
}

.btn-primary {
    background-color: var(--primary-gold);
    color: var(--text-dark);
    border-color: var(--primary-gold);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--background-white);
    color: var(--primary-darker);
    border-color: var(--primary-gold);
}

.btn-secondary:hover {
    background-color: var(--primary-gold);
    color: var(--text-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-medium);
    text-decoration: none;
}

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-dark) 100%);
    color: var(--text-dark);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-dark);
}

.hero-description {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}

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

/* ===== FEATURES SECTION ===== */
.features {
    background-color: var(--background-white);
    padding: var(--spacing-xxl) 0;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.feature-card {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    border: 2px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--shadow-medium);
    border-color: var(--primary-gold);
}

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

.feature-card h3 {
    color: var(--primary-darker);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-medium);
    margin-bottom: 0;
}

/* ===== DOWNLOAD SECTION ===== */
.download {
    background-color: var(--background-light);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.download h2 {
    margin-bottom: var(--spacing-md);
}

.download-description {
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto var(--spacing-lg);
}

.download-badge {
    margin: var(--spacing-lg) 0;
}

.app-store-badge img {
    height: 60px;
    transition: transform 0.3s ease;
}

.app-store-badge:hover img {
    transform: scale(1.05);
}

.pricing {
    font-size: 1.1rem;
    color: var(--text-medium);
    font-weight: 600;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background-color: var(--background-white);
    padding: var(--spacing-xxl) 0;
}

.testimonials h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

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

.testimonial-card {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    border-left: 4px solid var(--primary-gold);
}

.quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.author {
    font-weight: 600;
    color: var(--primary-darker);
    margin-bottom: 0;
}

/* ===== ABOUT SECTION ===== */
.about {
    background-color: var(--background-light);
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.about p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.1rem;
}

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

.about .links a {
    font-weight: 600;
    font-size: 1.1rem;
}

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

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

.footer-section h4 {
    color: var(--primary-gold);
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: var(--background-light);
    margin-bottom: 0;
}

.footer-section ul {
    list-style: none;
    margin: 0;
}

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

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

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

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-bottom p {
    color: var(--background-light);
    margin: 0;
}

/* ===== LEGAL PAGES ===== */
.legal-page {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-white);
}

.legal-page h1 {
    color: var(--primary-darker);
    margin-bottom: var(--spacing-sm);
}

.last-updated {
    color: var(--text-medium);
    font-style: italic;
    margin-bottom: var(--spacing-xl);
}

.legal-page section {
    margin-bottom: var(--spacing-xl);
}

.legal-page ul, .legal-page ol {
    margin-left: var(--spacing-lg);
}

.policy-summary {
    background-color: var(--primary-gold);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    margin-top: var(--spacing-xl);
}

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

.policy-summary p {
    color: var(--text-dark);
    margin-bottom: 0;
    font-size: 1.1rem;
}

/* ===== SUPPORT PAGE ===== */
.support-page {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-white);
}

.support-page .intro {
    font-size: 1.2rem;
    max-width: 800px;
    margin-bottom: var(--spacing-xl);
}

.faq {
    margin-bottom: var(--spacing-xxl);
}

.faq-item {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--primary-gold);
}

.faq-item h3 {
    color: var(--primary-darker);
    margin-bottom: var(--spacing-sm);
}

.faq-item p, .faq-item ol, .faq-item ul {
    margin-bottom: var(--spacing-sm);
}

.faq-item p:last-child,
.faq-item ol:last-child,
.faq-item ul:last-child {
    margin-bottom: 0;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.contact-card {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    text-align: center;
    border: 2px solid var(--border-color);
}

.contact-card h3 {
    color: var(--primary-darker);
    margin-bottom: var(--spacing-sm);
}

.contact-card .btn {
    margin-top: var(--spacing-sm);
    width: 100%;
}

.support-info {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin: var(--spacing-lg) 0;
}

.resource-links {
    list-style: none;
    margin: 0;
}

.resource-links li {
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

/* ===== ABOUT PAGE ===== */
.about-page {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-white);
}

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

.company-intro .intro {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-dark);
}

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

.value-card {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-large);
    border: 2px solid var(--border-color);
}

.value-card h3 {
    color: var(--primary-darker);
    margin-bottom: var(--spacing-sm);
}

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

.philosophy-item {
    background-color: var(--background-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-gold);
}

.philosophy-item h3 {
    color: var(--primary-darker);
    margin-bottom: var(--spacing-sm);
}

.contact-section {
    background-color: var(--background-light);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-large);
    margin-top: var(--spacing-xl);
}

.contact-info {
    margin-top: var(--spacing-md);
}

.contact-info p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.thank-you {
    text-align: center;
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius-large);
}

.thank-you h2 {
    color: var(--text-dark);
}

.thank-you p {
    color: var(--text-dark);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.signature {
    font-style: italic;
    font-weight: 600;
    margin-top: var(--spacing-md);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    :root {
        --font-size-base: 16px;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    h3 {
        font-size: 1.35rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    nav {
        width: 100%;
        justify-content: center;
    }
    
    .feature-grid,
    .testimonial-grid,
    .values-grid,
    .philosophy-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 16px;
        --spacing-lg: 24px;
        --spacing-xl: 32px;
        --spacing-xxl: 48px;
    }
    
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    nav {
        flex-direction: column;
        width: 100%;
    }
    
    nav a {
        width: 100%;
        text-align: center;
    }
}

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

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 3px solid var(--primary-gold);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --primary-gold: #FFC700;
        --primary-dark: #A67C00;
        --text-dark: #000000;
        --background-white: #FFFFFF;
    }
}