/* Reset and Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #5B4CDB;
    --color-primary-dark: #4a3db8;
    --color-text: #1a1a2e;
    --color-text-secondary: #6b7280;
    --color-background: #ffffff;
    --color-surface: #f9fafb;
    --color-border: #e5e7eb;
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --max-width: 800px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --radius: 8px;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

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

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

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

/* Header */
.site-header {
    background: var(--color-background);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: 1.125rem;
}

.logo:hover {
    text-decoration: none;
    color: var(--color-text);
}

.logo-img {
    width: 36px;
    height: 36px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all 0.3s ease;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    padding: var(--spacing-xs) 0;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--color-primary);
    text-decoration: none;
}

/* Mobile Navigation */
@media (max-width: 640px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--color-background);
        flex-direction: column;
        padding: var(--spacing-sm) var(--spacing-md);
        gap: 0;
        border-bottom: 1px solid var(--color-border);
        display: none;
    }

    .nav-menu.active {
        display: flex;
    }

    .nav-menu li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        display: block;
        padding: var(--spacing-sm) 0;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }
}

/* Main Container */
.container {
    flex: 1;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
    width: 100%;
}

/* Home Page */
.home {
    text-align: center;
}

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

.hero-logo {
    width: 120px;
    height: 120px;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 4px 20px rgba(91, 76, 219, 0.15);
}

.hero-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
}

.hero-tagline {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.hero-mission {
    font-size: 1rem;
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}

.home-content {
    margin-bottom: var(--spacing-xl);
}

.legal-links {
    background: var(--color-surface);
    padding: var(--spacing-lg);
    border-radius: var(--radius);
    margin-top: var(--spacing-xl);
}

.legal-links h2 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.legal-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

.legal-links a {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

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

/* Single Page */
.single-page {
    padding-bottom: var(--spacing-xl);
}

.page-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
}

.page-header h1 {
    margin-bottom: 0;
}

.page-content {
    line-height: 1.8;
}

.page-content h2 {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.page-content h3 {
    margin-top: var(--spacing-md);
}

.page-content ul, .page-content ol {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

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

.page-content blockquote {
    border-left: 3px solid var(--color-primary);
    padding-left: var(--spacing-md);
    margin: var(--spacing-md) 0;
    color: var(--color-text-secondary);
    font-style: italic;
}

.page-content code {
    background: var(--color-surface);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.875em;
}

.page-content pre {
    background: var(--color-surface);
    padding: var(--spacing-sm);
    border-radius: var(--radius);
    overflow-x: auto;
    margin-bottom: var(--spacing-sm);
}

.page-content pre code {
    background: none;
    padding: 0;
}

/* Footer */
.site-footer {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
}

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

.site-footer p:last-child {
    margin-bottom: 0;
}

.site-footer a {
    color: var(--color-text-secondary);
}

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

/* Responsive */
@media (max-width: 640px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
    }

    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.375rem; }

    .hero-logo {
        width: 100px;
        height: 100px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-tagline {
        font-size: 1.125rem;
    }

    .legal-links ul {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}