:root {
            --bg-main: #FFFFFF; --bg-soft: #F7F8FA; --bg-dark: #0A0F19; --bg-dark-panel: #111827;
            --text-primary: #121826; --text-secondary: #4B5563; --text-light: #F9FAFB; --text-light-secondary: #A6B0C3;
            --accent-blue: #3B82F6; --accent-green: #22C55E; --accent-yellow: #FBBF24;
            --border-color: #E5E7EB; --border-dark: #374151; --shadow-light: 0 12px 24px -4px rgba(18, 24, 38, 0.08), 0 8px 16px -4px rgba(18, 24, 38, 0.05);
            --font-sans: 'Alliance No.1', sans-serif; --font-mono: 'Source Code Pro', monospace;
            --header-height: 80px; --container-width: 1400px; --radius-sm: 8px; --radius-lg: 12px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body { font-family: var(--font-sans); background-color: var(--bg-main); color: var(--text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
        body.menu-open { overflow: hidden; }
        .container { max-width: var(--container-width); margin: 0 auto; padding: 0 2rem; }
        .section { padding: 100px 0; position: relative; }
        .eyebrow { font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent-blue); font-weight: 700; margin-bottom: 1rem; display: block; text-transform: uppercase; letter-spacing: 0.05em; }
        .title { font-size: clamp(2.2rem, 4vw, 3.5rem); font-weight: 800; letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 1.5rem; }
        .subtitle { font-size: 1.2rem; color: var(--text-secondary); max-width: 75ch; line-height: 1.7; }
        .text-center { text-align: center; }
        .text-center .subtitle { margin-left: auto; margin-right: auto; }


        .header { position: sticky; top: 0; width: 100%; z-index: 1000; height: var(--header-height); background-color: rgba(255, 255, 255, 0.9); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border-color); }
        .navbar { display: flex; justify-content: space-between; align-items: center; height: 100%; }
        .nav-logo { text-decoration: none; }
        .nav-logo-text { font-weight: 800; font-size: 1.5rem; color: var(--text-primary); }
        .nav-controls { display: flex; align-items: center; gap: 1rem; }
        .nav-btn { padding: 0.6rem 1.5rem; font-weight: 600; text-decoration: none; border-radius: var(--radius-sm); transition: var(--transition); border: 1px solid var(--text-primary); color: var(--text-primary); background-color: transparent; }
        .nav-btn:hover { background-color: var(--text-primary); color: var(--text-light); }
        .nav-icon-btn { background: none; border: none; cursor: pointer; font-size: 1.2rem; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; color: var(--text-primary); transition: color var(--transition), background-color var(--transition); border-radius: 50%; }
        .nav-icon-btn:hover { background-color: rgba(0, 0, 0, 0.05); }
        .nav-toggle .fa-xmark { display: none; }
        .menu-open .header .nav-toggle .fa-bars { display: none; }
        .menu-open .header .nav-toggle .fa-xmark { display: block; }
        .menu-open .header { background-color: transparent; border-bottom-color: transparent; }
        .menu-open .header .nav-logo-text, .menu-open .header .nav-icon-btn, .menu-open .header .nav-btn { color: var(--text-light); border-color: var(--text-light); }
        .fullscreen-menu { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background-color: var(--bg-dark); z-index: 999; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity var(--transition), visibility var(--transition); overflow-y: auto; padding: calc(var(--header-height) + 4rem) 2rem 4rem 2rem; }
        .fullscreen-menu.is-active { opacity: 1; visibility: visible; pointer-events: all; }
        .fullscreen-menu-grid { max-width: var(--container-width); margin: 0 auto; display: grid; grid-template-columns: repeat(12, 1fr); gap: 2rem; }
        .fullscreen-menu-col { grid-column: span 3; }
        .fullscreen-menu-col.main-nav { grid-column: span 4; }
        .fullscreen-menu-col.sub-nav { grid-column: span 2; }
        .fullscreen-menu-col h5 { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-light-secondary); margin-bottom: 1.5rem; font-size: 0.8rem; }
        .fullscreen-menu-col ul { list-style: none; padding: 0; }
        .fullscreen-menu-col ul li a { display: block; text-decoration: none; color: var(--text-light); transition: color var(--transition), padding-left var(--transition); }
        .fullscreen-menu-col ul li a:hover { color: var(--accent-blue); padding-left: 0.5rem; }
        .fullscreen-menu-col.main-nav ul li { margin-bottom: 1rem; }
        .fullscreen-menu-col.main-nav ul li a { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; }
        .fullscreen-menu-col.sub-nav ul li { margin-bottom: 0.8rem; }
        .fullscreen-menu-col.sub-nav ul li a { font-size: 1rem; font-weight: 500; color: var(--text-light-secondary); }
        .fullscreen-menu-col.sub-nav ul li a:hover { color: var(--text-light); }


        .footer { background-color: var(--bg-dark); border-top: 1px solid var(--border-dark); padding: 80px 0; font-size: 0.95rem; }
        .footer .container { color: var(--text-light-secondary); }
        .footer-grid { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 2rem; padding-bottom: 3rem; }
        .footer-about h4 { font-size: 1.5rem; color: var(--text-light); margin-bottom: 1rem; }
        .footer-about p { color: var(--text-light-secondary); }
        .footer-col h5 { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-light); margin-bottom: 1.5rem; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 1rem; }
        .footer-col ul a { color: var(--text-light-secondary); text-decoration: none; transition: var(--transition); }
        .footer-col ul a:hover { color: var(--text-light); }
        .footer-bottom { padding-top: 2rem; border-top: 1px solid var(--border-dark); display: flex; justify-content: space-between; align-items: center; }
        .footer-bottom span { color: var(--text-light-secondary); }
        .social-links { display: flex; gap: 1.5rem; }
        .social-links a { color: var(--text-light-secondary); font-size: 1.2rem; transition: var(--transition); }
        .social-links a:hover { color: var(--text-light); transform: translateY(-2px); }


        .contact-hero { padding-top: 80px; padding-bottom: 80px; background-color: var(--bg-soft); border-bottom: 1px solid var(--border-color); }
        .contact-main-section { background-color: var(--bg-main); }
        .contact-layout-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 4rem; }
        .contact-directory h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 0.5rem; border-bottom: 1px solid var(--border-color); padding-bottom: 1rem; }
        .contact-directory > p { color: var(--text-secondary); margin-bottom: 2.5rem; }
        .contact-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 1.5rem; }
        .contact-list li { background-color: var(--bg-main); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.5rem; display: flex; gap: 1.5rem; transition: var(--transition); }
        .contact-list li:hover { box-shadow: var(--shadow-light); border-color: var(--accent-blue); transform: translateY(-3px); }
        .contact-list .icon-wrapper { font-size: 1.5rem; color: var(--accent-blue); background-color: var(--bg-soft); width: 50px; height: 50px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .contact-list .details h4 { font-size: 1.2rem; font-weight: 600; margin-bottom: 0.5rem; }
        .contact-list .details p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1rem; }
        .email-wrapper { background-color: var(--bg-soft); border: 1px solid var(--border-color); border-radius: var(--radius-sm); padding: 0.5rem 1rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
        .email-address { font-family: var(--font-mono); font-size: 0.9rem; color: var(--text-primary); word-break: break-all; text-decoration: none; }
        .copy-btn { background: none; border: none; cursor: pointer; color: var(--text-secondary); font-size: 1rem; transition: var(--transition); padding: 0.5rem; border-radius: var(--radius-sm); }
        .copy-btn:hover { color: var(--accent-blue); background-color: #e0e7ff; }
        .contact-sidebar { position: sticky; top: calc(var(--header-height) + 40px); align-self: start; }
        .sidebar-widget { background-color: var(--bg-soft); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 1.5rem; margin-bottom: 2rem; }
        .sidebar-widget h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 1rem; display: flex; align-items: center; gap: 0.75rem; }
        .sidebar-widget p, .sidebar-widget ul { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; }
        .sidebar-widget ul { list-style: none; padding: 0; margin-top: 1rem; }
        .sidebar-widget ul li { padding-left: 1.5rem; position: relative; }
        .sidebar-widget ul li::before { content: '\f3c5'; font-family: 'Font Awesome 6 Free'; font-weight: 900; color: var(--accent-blue); position: absolute; left: 0; }
        .sidebar-widget a.protocol-link { display: inline-block; margin-top: 1rem; font-weight: 600; color: var(--accent-blue); text-decoration: none; }
        .sidebar-widget a.protocol-link:hover { text-decoration: underline; }
        #office-map { width: 100%; height: 200px; border-radius: var(--radius-sm); margin-bottom: 1rem; background-color: #e0e7ff; }
        .mapboxgl-marker { cursor: default !important; }
        .protocol-section { background-color: var(--bg-soft); border-top: 1px solid var(--border-color); }
        .protocol-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; margin-top: 3rem; }
        .protocol-item { background-color: var(--bg-main); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: 2rem; }
        .protocol-item .icon { font-size: 1.8rem; color: var(--accent-yellow); margin-bottom: 1rem; }
        .protocol-item h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 0.75rem; }
        .protocol-item p { font-size: 0.9rem; color: var(--text-secondary); }


        @media (max-width: 992px) {
            .contact-layout-grid { grid-template-columns: 1fr; }
            .contact-sidebar { position: static; margin-top: 4rem; }
            .fullscreen-menu-grid { grid-template-columns: 1fr; gap: 3rem; }
            .fullscreen-menu-col, .fullscreen-menu-col.main-nav, .fullscreen-menu-col.sub-nav { grid-column: span 1; }
            .fullscreen-menu-col.main-nav ul li a { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-about { grid-column: 1 / -1; }
        }
        @media (max-width: 768px) {
            .section { padding: 60px 0; }
            .contact-hero { padding-top: 40px; padding-bottom: 40px; }
            .nav-btn { display: none; }
        }
        @media (max-width: 576px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 1.5rem; text-align: center; }
            .contact-list li { flex-direction: column; align-items: flex-start; }
        }