:root {
    --pink: #ff7acc;
    --blue: #230a89;
    --yellow: #ffdf6b;
    --gradient-primary: linear-gradient(135deg, var(--pink) 0%, var(--blue) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--yellow) 0%, var(--blue) 80%);
    --gradient-accent: linear-gradient(135deg, var(--yellow) 0%, var(--pink) 100%);
    /* Light Theme */
    --bg-light: #f0f0f8;
    --card-light: #ffffff;
    --text-primary-light: #0a0a0f;
    --text-secondary-light: #5a5a6e;
    --border-light: #e0e0e8;
    /* Dark Theme */
    --bg-dark: #0a0a0f;
    --card-dark: #1a1a2e;
    --text-primary-dark: #ffffff;
    --text-secondary-dark: #b0b0c4;
    --border-dark: rgba(255, 122, 204, 0.1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-light);
    color: var(--text-primary-light);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s, color 0.3s;
}

body.dark {
    background: var(--bg-dark);
    color: var(--text-primary-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    padding: 1.5rem 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s, border-color 0.3s;
}

body.dark .header {
    background: rgba(26, 26, 46, 0.8);
    border-bottom: 1px solid var(--border-dark);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Righteous', cursive;
    font-size: 2rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

body.dark .nav-links a {
    color: var(--text-secondary-dark);
}

.nav-links a:hover {
    color: var(--pink);
}

/* Hero Section */
.hero {
    padding: 6rem 0;
    text-align: center;
    position: relative;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(35, 10, 137, 0.05) 0%, transparent 70%);
    pointer-events: none;
    transition: background 0.3s;
}

body.dark .hero-bg {
    background: radial-gradient(ellipse at center, rgba(255, 122, 204, 0.1) 0%, transparent 70%);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-family: 'Righteous', cursive;
    font-size: clamp(3rem, 8vw, 6rem);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--blue);
    margin-bottom: 1rem;
    font-weight: 300;
}

body.dark .hero-subtitle {
    color: var(--yellow);
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary-light);
    max-width: 800px;
    margin: 0 auto 3rem;
}

body.dark .hero-description {
    color: var(--text-secondary-dark);
}

/* Mode Selection */
.mode-selection {
    padding: 6rem 0;
}

.section-title {
    font-family: 'Righteous', cursive;
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.mode-card {
    background: var(--card-light);
    border-radius: 20px;
    padding: 3rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

body.dark .mode-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
}

.mode-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(35, 10, 137, 0.1);
}

body.dark .mode-card:hover {
    box-shadow: 0 20px 40px rgba(255, 122, 204, 0.2);
}

.mode-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.mode-icon {
    font-size: 2.5rem;
}

.local-mode .mode-icon {
    color: var(--blue);
}
body.dark .local-mode .mode-icon {
    color: var(--yellow);
}

.online-mode .mode-icon {
    color: var(--blue);
}

body.dark .online-mode .mode-icon {
    color: var(--pink);
}

.mode-title {
    font-family: 'Righteous', cursive;
    font-size: 2rem;
}

.mode-description {
    color: var(--text-secondary-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

body.dark .mode-description {
    color: var(--text-secondary-dark);
}

.mode-features {
    list-style: none;
    margin-bottom: 2rem;
}

.mode-features li {
    display: flex;
    align-items: center;
    margin-bottom: 0.75rem;
    color: var(--text-secondary-light);
}

body.dark .mode-features li {
    color: var(--text-secondary-dark);
}

.mode-features li::before {
    content: '✓';
    color: var(--pink);
    font-weight: bold;
    margin-right: 0.75rem;
    font-size: 1.2rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background: var(--gradient-primary);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 122, 204, 0.3);
}

.cta-button.secondary {
    background: var(--gradient-secondary);
    color: white;
    border: none;
}

.cta-button.secondary:hover {
    background: var(--gradient-secondary);
    filter: brightness(1.1);
    color: white;
}

/* Features Section */
.features {
    padding: 6rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--card-light);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-light);
}

body.dark .feature-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
}

.feature-icon {
    font-size: 3rem;
    color: var(--pink);
    margin-bottom: 1rem;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-primary-light);
}

body.dark .feature-title {
    color: var(--text-primary-dark);
}

.feature-description {
    color: var(--text-secondary-light);
}

body.dark .feature-description {
    color: var(--text-secondary-dark);
}

/* Monetization Section Card */
.monetization-card {
    background: var(--card-light);
    padding: 4rem;
    border-radius: 20px;
    border: 1px solid var(--border-light);
}

body.dark .monetization-card {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background: var(--card-light);
    border-top: 1px solid var(--border-light);
    text-align: center;
}

body.dark .footer {
    background: var(--card-dark);
    border-top: 1px solid var(--border-dark);
}

.footer-content {
    margin-bottom: 2rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-links a {
    color: var(--text-secondary-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

body.dark .footer-links a {
    color: var(--text-secondary-dark);
}

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

.copyright {
    color: var(--text-secondary-light);
    font-size: 0.9rem;
}

body.dark .copyright {
    color: var(--text-secondary-dark);
}

/* Responsive */
@media (max-width: 768px) {
    .modes-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .mode-card {
        padding: 2rem;
    }
    .nav-links {
        display: none;
    }
    .hero {
        padding: 4rem 0;
    }
    .section-title {
        font-size: 2rem;
    }
}

/* Theme Toggle */
.theme-toggle {
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    background: transparent;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 1rem;
}

.theme-icon {
    width: 24px;
    height: 24px;
    color: var(--text-primary-light);
    transition: color 0.3s;
}

body.dark .theme-icon {
    color: var(--text-primary-dark);
}

#sun-icon {
    display: none;
}

body.dark #sun-icon {
    display: block;
}

body.dark #moon-icon {
    display: none;
}

/* Pricing Page Specifics */
.main-content {
    padding: 4rem 0;
}
.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary-light);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}
body.dark .section-subtitle {
    color: var(--text-secondary-dark);
}
.pricing-section {
    background: var(--card-light);
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 3rem;
    border: 1px solid var(--border-light);
}
body.dark .pricing-section {
    background: var(--card-dark);
    border: 1px solid var(--border-dark);
}
.pricing-section h3 {
    font-family: 'Righteous', cursive;
    font-size: 2rem;
    color: var(--pink);
    margin-bottom: 1rem;
}
.pricing-section p, .pricing-section li {
    color: var(--text-secondary-light);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
body.dark .pricing-section p, body.dark .pricing-section li {
    color: var(--text-secondary-dark);
}
.pricing-section ul {
    list-style: none;
    padding-left: 0;
}
.highlight {
    color: var(--blue);
    font-weight: bold;
}
body.dark .highlight {
    color: var(--yellow);
}

/* Pricing Page Feature List */
.feature-list {
    display: grid;
    grid-template-columns: auto auto 1fr;
    gap: 1rem 2rem;
    align-items: start;
}

.feature-list li {
    display: contents; /* Allows li to be part of the grid */
}

.feature-list li::before {
    content: '✓';
    color: var(--yellow);
    font-weight: bold;
    font-size: 1.2rem;
    line-height: 1.6;
    grid-column: 1;
    text-align: right;
}

.feature-list .feature-title,
.feature-list .feature-description {
    color: var(--text-secondary-light);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}
body.dark .feature-list .feature-description,
body.dark .feature-list .feature-title {
    color: var(--text-secondary-dark);
}

.feature-list .feature-title {
    font-weight: 600;
    color: var(--text-primary-light);
    white-space: nowrap;
    grid-column: 2;
}
body.dark .feature-list .feature-title {
    color: var(--text-primary-dark);
}

.feature-list .feature-description {
    grid-column: 3;
}

@media (max-width: 768px) {
    .feature-list {
        grid-template-columns: auto 1fr;
        gap: 0.5rem 1rem;
    }
    .feature-list .feature-title,
    .feature-list .feature-description {
        grid-column: 2 / -1;
    }
    .feature-list .feature-title {
        margin-bottom: 0.25rem;
    }
    .feature-list .feature-description {
        margin-bottom: 1rem;
    }
}