:root {
            --primary: #6EC7E6;
            --primary-light: #AEE3F4;
            --primary-dark: #2E8FAA;
            --background: #000000;
            --surface: #1C1C1E;
            --surface-variant: #2A2A2D;
            --on-background: #FFFFFF;
            --on-surface: #FFFFFF;
            --on-surface-variant: #9A9A9A;
            --border: #303034;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            line-height: 1.6;
            color: var(--on-background);
            background-color: var(--background);
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            background:
                radial-gradient(circle at 18% 0%, rgba(110, 199, 230, 0.14), transparent 34%),
                radial-gradient(circle at 82% 12%, rgba(46, 143, 170, 0.16), transparent 28%);
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 10;
            border-bottom: 1px solid var(--border);
            background: rgba(0, 0, 0, 0.88);
            backdrop-filter: blur(18px);
        }

        .nav {
            max-width: 1120px;
            margin: 0 auto;
            min-height: 72px;
            padding: env(safe-area-inset-top) 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--on-background);
            font-size: 1.1rem;
            font-weight: 800;
            text-decoration: none;
        }

        .brand img {
            width: 34px;
            height: 34px;
            border-radius: 8px;
        }

        .brand span span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--on-surface-variant);
            font-weight: 700;
            font-size: 0.92rem;
        }

        .nav-links a {
            min-height: 36px;
            display: inline-flex;
            align-items: center;
            border-radius: 8px;
            padding: 0 12px;
            color: var(--on-surface-variant);
            text-decoration: none;
            transition: background 180ms ease, color 180ms ease;
        }

        .nav-links a:hover {
            background: var(--surface-variant);
            color: var(--on-background);
            text-decoration: none;
        }

        .nav-links a[aria-current="page"] {
            background: var(--primary);
            color: #000000;
        }

        .nav-cta {
            min-height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            padding: 0 14px;
            background: var(--primary);
            color: #000000;
            font-weight: 800;
            text-decoration: none;
        }

        .container {
            max-width: 920px;
            margin: 0 auto;
            padding: 0 24px 24px;
        }

        .page-hero {
            padding: 76px 24px 48px;
            text-align: center;
            margin-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }

        .page-hero h1 {
            color: var(--on-background);
            font-size: clamp(2.8rem, 6vw, 5rem);
            line-height: 0.98;
            margin-bottom: 8px;
            font-weight: 900;
        }

        .page-hero h1 span {
            color: var(--primary);
        }

        .page-hero .subtitle {
            font-size: 1.1em;
            color: var(--on-surface-variant);
            font-weight: 700;
        }

        .last-updated {
            display: inline-block;
            background: var(--surface-variant);
            color: var(--on-surface-variant);
            padding: 8px 16px;
            border-radius: 8px;
            margin-bottom: 32px;
            font-size: 0.9em;
            font-weight: 700;
        }

        .card {
            background: rgba(28, 28, 30, 0.86);
            border-radius: 8px;
            padding: 32px;
            margin-bottom: 24px;
            border: 1px solid var(--border);
        }

        h2 {
            color: var(--primary);
            font-size: 1.75em;
            margin-bottom: 20px;
            font-weight: 600;
        }

        h3 {
            color: var(--on-surface);
            font-size: 1.25em;
            margin-top: 24px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        p {
            margin-bottom: 16px;
            color: var(--on-surface-variant);
        }

        ul, ol {
            margin: 16px 0 16px 24px;
            color: var(--on-surface-variant);
        }

        li {
            margin-bottom: 8px;
        }

        strong {
            color: var(--on-surface);
            font-weight: 600;
        }

        .highlight {
            background: rgba(110, 199, 230, 0.1);
            color: var(--on-surface);
            padding: 16px;
            border-left: 4px solid var(--primary);
            border-radius: 8px;
            margin: 24px 0;
        }

        .highlight strong {
            color: var(--primary);
        }

        .contact-card {
            background: var(--surface-variant);
            padding: 24px;
            border-radius: 8px;
            margin-top: 24px;
        }

        .contact-card h3 {
            margin-top: 0;
            color: var(--primary);
        }

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

        a:hover {
            text-decoration: underline;
        }

        footer {
            text-align: center;
            padding: 48px 24px;
            color: var(--on-surface-variant);
            border-top: 1px solid var(--border);
            margin-top: 64px;
            background: #050505;
        }

        @media (max-width: 768px) {
            .nav {
                align-items: flex-start;
                flex-direction: column;
                padding: 16px 20px;
            }

            .nav-links {
                width: 100%;
                flex-wrap: wrap;
                gap: 8px;
            }

            .nav-cta {
                width: 100%;
            }

            .page-hero h1 {
                font-size: 2em;
            }
            .card {
                padding: 20px;
            }
        }