:root {
    --color-primary: #1a2332;
    --color-secondary: #2c3e50;
    --color-accent: #3498db;
    --color-accent-dark: #2980b9;
    --color-text: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-background: #f8f9fa;
    --color-white: #ffffff;
    --color-border: #e0e4e8;
    --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-background);
    line-height: 1.6;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-symbol {
    color: var(--color-accent);
    font-size: 1.3rem;
}

.back-button {
    background: var(--color-accent);
    color: var(--color-white);
    padding: 0.7rem 1.5rem;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.back-button:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Header Section */
.page-header {
    margin-top: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 4rem 2rem;
    text-align: center;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
}

.header-label {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.2rem;
    opacity: 0.9;
}

.last-updated {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.8;
    font-family: var(--font-mono);
}

/* Content Section */
.content-section {
    max-width: 900px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.intro-text {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 3rem;
    border-left: 4px solid var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.intro-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.intro-text p:last-child {
    margin-bottom: 0;
}

.policy-section {
    background: var(--color-white);
    padding: 2.5rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.policy-section:hover {
    box-shadow: var(--shadow-md);
}

.section-number {
    display: inline-block;
    width: 35px;
    height: 35px;
    background: var(--color-accent);
    color: var(--color-white);
    border-radius: 50%;
    text-align: center;
    line-height: 35px;
    font-weight: 700;
    margin-right: 0.8rem;
    font-size: 1.1rem;
}

.policy-section h2 {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    font-weight: 600;
}

.policy-section h3 {
    font-size: 1.3rem;
    color: var(--color-primary);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.policy-section p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.policy-section ul {
    list-style: none;
    padding-left: 0;
    margin: 1rem 0;
}

.policy-section ul li {
    padding: 0.8rem 0 0.8rem 2rem;
    position: relative;
    border-bottom: 1px solid var(--color-border);
    line-height: 1.7;
}

.policy-section ul li:last-child {
    border-bottom: none;
}

.policy-section ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.2rem;
}

.highlight-box {
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0.05) 100%);
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid var(--color-accent);
    margin: 1.5rem 0;
}

.highlight-box p {
    margin-bottom: 0;
    font-weight: 500;
}

.contact-box {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    padding: 3rem;
    border-radius: 8px;
    text-align: center;
    margin-top: 3rem;
}

.contact-box h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.contact-box p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.contact-link {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-white);
    padding: 1rem 2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.contact-link:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 3rem 2rem 2rem;
    text-align: center;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-logo {
    font-family: var(--font-mono);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.footer-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
    margin: 2rem 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }

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

    .page-subtitle {
        font-size: 1rem;
    }

    .content-section {
        padding: 3rem 1.5rem;
    }

    .policy-section {
        padding: 1.5rem;
    }

    .policy-section h2 {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .section-number {
        margin-bottom: 0.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-direction: column;
        gap: 0.8rem;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 3rem 1rem;
    }

    .intro-text,
    .contact-box {
        padding: 1.5rem;
    }
}