:root {
    /* Light Mode - Warm Kitchen Colors */
    --primary-color: #D67229; /* Warm orange */
    --secondary-color: #8FBC94; /* Sage green */
    --accent-color: #E8A547; /* Golden yellow */
    --background-primary: #FFFEF7; /* Cream white */
    --background-secondary: #F7F5F0; /* Warm light gray */
    --background-tertiary: #F0EDE6; /* Subtle warm gray */
    --text-primary: #2C2825; /* Dark brown */
    --text-secondary: #6B645C; /* Medium brown */
    --text-muted: #A39A8F; /* Light brown */
    --border-color: #E5E0D8; /* Warm border */
    --card-background: #FFFFFF;
    --shadow-sm: 0 2px 8px rgba(214, 114, 41, 0.08);
    --shadow-md: 0 4px 16px rgba(214, 114, 41, 0.12);
    --shadow-lg: 0 8px 32px rgba(214, 114, 41, 0.16);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
}

[data-theme="dark"] {
    /* Dark Mode - Cozy Evening Kitchen */
    --primary-color: #E8A547; /* Softer orange for dark mode */
    --secondary-color: #A8CCA8; /* Lighter sage for dark mode */
    --accent-color: #F4C77E; /* Warm golden */
    --background-primary: #1C1A17; /* Dark brown */
    --background-secondary: #26231F; /* Slightly lighter brown */
    --background-tertiary: #2F2B26; /* Medium brown */
    --text-primary: #F5F3EF; /* Warm white */
    --text-secondary: #D0C9BE; /* Light beige */
    --text-muted: #A39A8F; /* Muted beige */
    --border-color: #3A352F; /* Dark warm border */
    --card-background: #26231F;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* Fallback: Auto dark mode detection for users who haven't toggled */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        /* Dark Mode - Cozy Evening Kitchen */
        --primary-color: #E8A547; /* Softer orange for dark mode */
        --secondary-color: #A8CCA8; /* Lighter sage for dark mode */
        --accent-color: #F4C77E; /* Warm golden */
        --background-primary: #1C1A17; /* Dark brown */
        --background-secondary: #26231F; /* Slightly lighter brown */
        --background-tertiary: #2F2B26; /* Medium brown */
        --text-primary: #F5F3EF; /* Warm white */
        --text-secondary: #D0C9BE; /* Light beige */
        --text-muted: #A39A8F; /* Muted beige */
        --border-color: #3A352F; /* Dark warm border */
        --card-background: #26231F;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    }
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

/* Enhanced font size for accessibility */
@media (max-width: 768px) {
    html {
        font-size: 18px; /* Larger base font on mobile for easier reading */
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.7; /* Increased line height for better readability */
    color: var(--text-primary);
    background-color: var(--background-primary);
    transition: var(--transition);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-size: 1.125rem; /* 18px base font size */
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
}

/* Language and Theme Controls */
.controls {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1001;
    display: flex;
    gap: 8px;
}

@media (max-width: 768px) {
    .controls {
        top: 15px;
        right: 15px;
        gap: 6px;
    }
    
    .control-btn {
        width: 40px;
        height: 40px;
        font-size: 0.75rem;
    }
}

.control-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--card-background);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
    font-size: 0.875rem;
    font-weight: 600;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

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

/* Header */
.header {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 254, 247, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 254, 247, 0.98);
    box-shadow: var(--shadow-md);
}

[data-theme="dark"] .header {
    background: rgba(28, 26, 23, 0.95);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(28, 26, 23, 0.98);
    box-shadow: var(--shadow-md);
}

/* Fallback for auto dark mode */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) .header {
        background: rgba(28, 26, 23, 0.95);
    }
    
    :root:not([data-theme]) .header.scrolled {
        background: rgba(28, 26, 23, 0.98);
        box-shadow: var(--shadow-md);
    }
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    margin-right: 120px; /* Space for control buttons */
}

@media (max-width: 1024px) {
    .header .container {
        margin-right: 100px; /* Adjust for smaller screens */
    }
}

@media (max-width: 768px) {
    .header .container {
        margin-right: 110px; /* More space needed on mobile */
        padding: 1rem 1.5rem;
    }
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
    transition: var(--transition);
}

.logo:hover {
    color: var(--primary-color);
}

.logo img {
    border-radius: 8px;
}

.nav {
    display: flex;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--background-secondary);
}

@media (max-width: 900px) {
    .nav {
        gap: 1rem;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 768px) {
    .nav {
        gap: 0.5rem;
    }
    
    .nav-link {
        padding: 0.5rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 600px) {
    .nav {
        flex-direction: column;
        gap: 0.25rem;
        align-items: flex-end;
    }
    
    .nav-link {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }
}

/* Main Content */
main {
    padding-top: 100px;
}

/* Hero Section */
.hero {
    padding: 4rem 0 6rem;
    background: linear-gradient(135deg, var(--background-primary) 0%, var(--background-secondary) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.375rem; /* 22px */
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    min-height: 56px; /* Touch-friendly size */
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    background: color-mix(in srgb, var(--primary-color) 90%, black);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    background: transparent;
    color: var(--primary-color);
    text-decoration: none;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.125rem;
    transition: var(--transition);
    min-height: 56px; /* Touch-friendly size */
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

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

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .hero {
        padding: 2rem 0 4rem;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
}

/* Section Styles */
section {
    padding: 4rem 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Features Section */
.features {
    background: var(--background-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-background);
    padding: 2.5rem 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-title {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-description {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* Screenshots Section */
.screenshots {
    padding: 5rem 0;
}

.screenshots-grid {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 3rem;
    flex-wrap: wrap;
}

.screenshots-grid img {
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    max-width: 100%;
    height: auto;
    display: block;
}

.screenshots-grid img:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
    .screenshots-grid {
        gap: 1rem;
    }
    
    .screenshots-grid img {
        max-width: 200px;
    }
}

/* Download Section */
.download {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    text-align: center;
}

.download .section-title {
    color: white;
}

.download-subtitle {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.download-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.app-store-badge img {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

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

/* Footer */
.footer {
    background: var(--background-tertiary);
    padding: 3rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1.125rem;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.5rem 0;
}

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

.footer-copy {
    text-align: center;
}

.footer-copy p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

/* Policy Pages */
.privacy-policy,
.terms-of-use {
    padding: 2rem 0 4rem;
}

.policy-content,
.terms-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--card-background);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.policy-content h1,
.terms-content h1 {
    font-size: 2.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.policy-content h2,
.terms-content h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 2rem 0 1rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.policy-content p,
.terms-content p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.policy-content ul,
.terms-content ul {
    margin: 1rem 0 1rem 2rem;
}

.policy-content li,
.terms-content li {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.policy-content a,
.terms-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}

.policy-content a:hover,
.terms-content a:hover {
    border-bottom-color: var(--primary-color);
}

@media (max-width: 768px) {
    .policy-content,
    .terms-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .policy-content h1,
    .terms-content h1 {
        font-size: 2rem;
    }
}

/* Language Switching */
.lang-es {
    display: none;
}

.lang-en {
    display: block;
}

body.spanish .lang-es {
    display: block;
}

body.spanish .lang-en {
    display: none;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
        --border-color: #666;
    }
    
    .feature-card,
    .policy-content,
    .terms-content {
        border-width: 2px;
    }
}

/* Focus styles for keyboard navigation */
*:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

button:focus,
a:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading states and animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.hero-content > * {
    animation: fadeIn 0.6s ease-out;
}

/* Print styles */
@media print {
    .header,
    .controls,
    .footer,
    .hero-buttons,
    .download-buttons {
        display: none;
    }
    
    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }
    
    .container {
        max-width: none;
        padding: 0;
    }
}