:root {
      --bg-dark: #0A0F19;
      --bg-dark-panel: #111827;
      --text-light: #F9FAFB;
      --text-light-secondary: #A6B0C3;
      --accent-blue: #3B82F6;
      --accent-green: #22C55E;
      --accent-yellow: #FBBF24;
      --border-dark: #374151;
      --font-sans: 'Alliance No.1', sans-serif;
      --font-mono: 'Source Code Pro', monospace;
      --header-height: 80px;
      --container-width: 1800px;
      --radius-lg: 12px;
      --transition: 0.4s 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-dark);
      color: var(--text-light);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      overflow-x: hidden;
      position: relative;
    }
    body.menu-open { overflow: hidden; }
    .container { max-width: var(--container-width); margin: 0 auto; padding: 0 2rem; }
    .section { padding: 120px 0; position: relative; }
    
    .grid-overlay {
      position: fixed; top: 0; left: 0; width: 100%; height: 100%;
      pointer-events: none; z-index: -1;
      background-image: 
        linear-gradient(to right, rgba(128, 128, 128, 0.05) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(128, 128, 128, 0.05) 1px, transparent 1px);
      background-size: 40px 40px;
      animation: grid-pan 60s linear infinite;
    }
    @keyframes grid-pan { from { background-position: 0 0; } to { background-position: 40px 40px; } }

    .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: 0.1em;
    }
    .title { 
      font-size: clamp(2.5rem, 5vw, 4.2rem); font-weight: 800; 
      letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 1.5rem; 
    }
    .subtitle { 
      font-size: 1.25rem; color: var(--text-light-secondary); 
      max-width: 80ch; line-height: 1.7; 
    }
    .btn { 
      display: inline-flex; align-items: center; gap: 0.75rem; 
      padding: 1rem 2.5rem; background-color: var(--accent-blue); 
      color: var(--text-light); border: 2px solid var(--accent-blue); 
      border-radius: var(--radius-lg); font-weight: 700; 
      text-decoration: none; transition: var(--transition); cursor: pointer; 
      white-space: nowrap;
    }
    .btn:hover { 
      background-color: #1D4ED8; border-color: #1D4ED8; 
      transform: translateY(-3px); box-shadow: 0 8px 16px rgba(59, 130, 246, 0.2);
    }
    .text-center { text-align: center; }
    .text-center .subtitle { margin-left: auto; margin-right: auto; }


    .header {
      position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
      height: var(--header-height); background-color: transparent;
      border-bottom: 1px solid transparent;
      transition: background-color var(--transition), border-color var(--transition);
    }
    .header.scrolled {
      background-color: rgba(10, 15, 25, 0.8);
      backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
      border-bottom-color: var(--border-dark);
    }
    .navbar { display: flex; justify-content: space-between; align-items: center; height: 100%; }
    .nav-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
    .nav-logo-text {
      font-weight: 800; font-size: 1.5rem; color: var(--text-light);
      transition: color var(--transition);
    }
    .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-lg); transition: var(--transition);
      border: 1px solid var(--text-light); color: var(--text-light);
      background-color: transparent;
    }
    .nav-btn:hover { background-color: var(--text-light); color: #111827; }
    .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-light);
      transition: color var(--transition), background-color var(--transition);
      border-radius: 50%;
    }
    .nav-icon-btn:hover { background-color: rgba(255, 255, 255, 0.1); }
    .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; }
    .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; }
    .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); }
    .nav-menu, .nav-overlay, .nav-actions-mobile, .mega-menu { display: none !important; }


    .jobs-hero-section {
        padding-top: calc(var(--header-height) + 120px);
        padding-bottom: 120px;
        background-color: var(--bg-dark);
        color: var(--text-light);
        position: relative;
        overflow: hidden;
        display: flex;
        align-items: center;
        min-height: 80vh;
    }
    .jobs-hero-section .container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 4rem;
        position: relative;
        z-index: 2;
    }
    .jobs-hero-content .title { color: var(--text-light); }
    .jobs-hero-content .subtitle { color: var(--text-light-secondary); font-size: 1.2rem; max-width: 55ch; }
    .jobs-hero-content .btn { margin-top: 2rem; }
    .hero-network-visual {
        position: relative;
        width: 100%;
        height: 500px;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .hero-network-svg {
        width: 100%;
        height: 100%;
        max-width: 500px;
        overflow: visible;
    }
    .hero-network-svg .line { stroke: var(--border-dark); stroke-width: 1; }
    .hero-network-svg .node { fill: var(--accent-blue); transition: var(--transition); }
    .hero-network-svg .node-center { fill: var(--accent-yellow); }
    .hero-network-svg .pulse { stroke: var(--accent-blue); stroke-width: 2; fill: none; transform-origin: center; }

    .gsap-init {
        opacity: 0;
        transform: translateY(20px);
    }


    .discipline-explorer-section {
        background-color: var(--bg-dark);
        color: var(--text-light);
        border-top: 1px solid var(--border-dark);
        overflow: hidden;
    }
    .discipline-explorer-section .subtitle { color: var(--text-light-secondary); }
    .discipline-explorer-section .title { color: var(--text-light); }
    
    .talent-hub-container {
        margin-top: 5rem;
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 4rem;
        align-items: center;
        min-height: 600px;
    }

    .radar-column {
        position: relative;
        width: 100%;
        max-width: 500px;
        aspect-ratio: 1 / 1;
        margin: 0 auto;
    }
    .radar {
        width: 100%; height: 100%; border-radius: 50%;
        background: radial-gradient(circle, transparent 0%, transparent 99%, var(--border-dark) 100%);
        position: relative; border: 1px solid var(--border-dark);
        
        pointer-events: none;
    }
    .radar::before, .radar::after {
        content: ''; position: absolute; top: 50%; left: 50%;
        transform: translate(-50%, -50%); border: 1px solid var(--border-dark); border-radius: 50%;
    }
    .radar::before { width: 66.66%; height: 66.66%; }
    .radar::after { width: 33.33%; height: 33.33%; }
    .radar-scanner {
        position: absolute; width: 50%; height: 50%;
        background: linear-gradient(45deg, rgba(34, 197, 94, 0.4), transparent 50%);
        transform-origin: bottom right; animation: scan 4s linear infinite; border-radius: 100% 0 0 0;
        
        pointer-events: none;
    }
    @keyframes scan { to { transform: rotate(360deg); } }

    .radar-blip {
        position: absolute; width: 16px; height: 16px; background-color: var(--accent-green);
        border-radius: 50%; border: 2px solid var(--text-light); box-shadow: 0 0 10px var(--accent-green);
        cursor: pointer; transition: var(--transition); animation: pulse-blip 2s infinite;
        
        pointer-events: auto;
    }
    .radar-blip:hover, .radar-blip.active {
        transform: scale(1.5); background-color: var(--accent-yellow); box-shadow: 0 0 20px var(--accent-yellow);
    }
    @keyframes pulse-blip {
        0% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.2); opacity: 0.7; } 100% { transform: scale(1); opacity: 1; }
    }
    .radar-blip .blip-label {
        position: absolute; bottom: 120%; left: 50%; transform: translateX(-50%);
        background-color: var(--bg-dark-panel); color: var(--text-light); padding: 0.25rem 0.75rem;
        border-radius: var(--radius-lg); font-size: 0.8rem; font-family: var(--font-mono);
        white-space: nowrap; opacity: 0; visibility: hidden; transition: var(--transition);
        pointer-events: none; 
    }
    .radar-blip:hover .blip-label { opacity: 1; visibility: visible; }

    .content-column {
        position: relative;
        min-height: 450px;
    }
    .content-card {
        position: absolute;
        top: 0; left: 0; width: 100%;
        background-color: var(--bg-dark-panel);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-lg);
        padding: 2.5rem;
        opacity: 0;
        visibility: hidden;
        transform: translateY(20px);
        transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s;
    }
    .content-card.is-active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .content-card .card-icon {
        font-size: 2rem;
        color: var(--accent-blue);
        margin-bottom: 1rem;
    }
    .content-card h3 {
        font-size: 1.75rem;
        color: var(--text-light);
        margin-bottom: 1rem;
    }
    .content-card p {
        font-size: 1rem;
        color: var(--text-light-secondary);
        line-height: 1.7;
    }
    .default-card {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        text-align: center;
        height: 100%;
    }
    .default-card .card-icon { font-size: 3rem; }

    .talent-cta-section {
        margin-top: 5rem; padding: 3rem 1rem; text-align: center;
        background-color: var(--bg-dark-panel); border-radius: var(--radius-lg);
        border: 1px solid var(--border-dark);
    }
    .talent-cta-section p {
        color: var(--text-light-secondary); max-width: 60ch;
        margin: 0 auto 2rem auto; font-size: 1.1rem;
    }


    .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); }


    @media (max-width: 992px) {
      .section { padding: 80px 0; }
      .title { font-size: clamp(2rem, 8vw, 2.8rem); }
      .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; margin-bottom: 2rem; }
      .jobs-hero-section .container { grid-template-columns: 1fr; text-align: center; }
      .jobs-hero-content { order: 2; margin-top: 3rem; }
      .hero-network-visual { order: 1; height: 350px; }
      
      .talent-hub-container { 
        grid-template-columns: 1fr; 
      }
      .content-column { 
        margin-top: 3rem; 
        min-height: auto; 
      }
    }
    @media (max-width: 768px) {
      .nav-btn { display: none; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 1.5rem; text-align: center; }
      .radar-column { max-width: 400px; }
    }
    @media (max-width: 480px) {
      .container { padding: 0 1rem; }
      .btn { padding: 0.8rem 1.5rem; font-size: 0.9rem; }
      .radar-column { max-width: 300px; }
      .radar-blip { width: 12px; height: 12px; }
      .content-card { padding: 1.5rem; }
    }