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

:root {
    --primary: #2563EB;
    --primary-dark: #0A1F44;
    --accent: #22C55E;
    --danger: #EF4444;
    --bg: #f8f9fa;
    --text: #333;
    --muted: #666;
    --card: #ffffff;
    --border: #e0e0e0;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
}

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.nav {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}

.nav-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: -0.02em;
}

.nav-links a {
    margin-left: 18px;
    color: var(--muted);
    font-size: 14px;
}

.hero {
    background: linear-gradient(135deg, #0A1F44, #2563EB);
    color: white;
    padding: 84px 24px;
    text-align: center;
}

.hero h1 {
    font-size: clamp(34px, 6vw, 64px);
    line-height: 1.05;
    margin-bottom: 18px;
    letter-spacing: -0.04em;
}

.hero p {
    max-width: 680px;
    margin: 0 auto 26px;
    opacity: 0.9;
    font-size: 18px;
}

.hero .badge {
    display: inline-block;
    background: rgba(255,255,255,0.13);
    border: 1px solid rgba(255,255,255,0.22);
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    margin-bottom: 18px;
}

.cta-row {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 12px;
    font-weight: 700;
    background: white;
    color: var(--primary-dark);
}

.btn.secondary {
    background: rgba(255,255,255,0.12);
    color: white;
    border: 1px solid rgba(255,255,255,0.22);
}

.section {
    max-width: 1080px;
    margin: 0 auto;
    padding: 64px 24px;
}

.section h2 {
    color: var(--primary-dark);
    font-size: 32px;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.section-intro {
    color: var(--muted);
    max-width: 680px;
    margin-bottom: 28px;
    font-size: 17px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.06);
}

.feature-card .icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: #EEF4FF;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 14px;
}

.feature-card h3 {
    color: var(--primary-dark);
    margin-bottom: 8px;
    font-size: 18px;
}

.feature-card p {
    color: var(--muted);
    font-size: 15px;
}

.legal-header {
    background: linear-gradient(135deg, #0A1F44, #2563EB);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

.legal-header h1 {
    font-size: 28px;
    margin-bottom: 8px;
}

.legal-header p {
    opacity: 0.85;
    font-size: 14px;
}

.content {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 24px;
}

.content h2 {
    color: var(--primary);
    font-size: 22px;
    margin: 32px 0 16px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 8px;
}

.content h3 {
    color: #333;
    font-size: 17px;
    margin: 20px 0 10px;
}

.content p,
.content li {
    font-size: 15px;
    margin-bottom: 12px;
}

.content ul {
    padding-left: 24px;
}

.notice {
    background: #EEF4FF;
    border-left: 4px solid var(--primary);
    padding: 14px 16px;
    border-radius: 12px;
    margin: 18px 0;
}

.footer {
    border-top: 1px solid var(--border);
    background: #fff;
    color: var(--muted);
    text-align: center;
    padding: 24px;
    font-size: 14px;
}

@media (max-width: 820px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .nav-inner {
        align-items: flex-start;
        gap: 10px;
        flex-direction: column;
    }

    .nav-links a {
        margin-left: 0;
        margin-right: 14px;
    }

    .hero {
        padding: 64px 20px;
    }
}