:root {
        /* Colors copied strictly from the official NEIR source code provided */
        --brand-primary: #02518d;      /* Official --primary-600 */
        --brand-primary-dark: #00838F; /* Official --primary-900 */
        --section-hero: #E0F7FA;      /* Official --primary-color */
        --section-secondary: #F1F3F4; /* Official --secondary-color */
        --section-tertiary: #F2F9F4;  /* Official --tertiary-color */
        
        --brand-accent: #EB6D4A;      /* Official --image-background-color */
        --brand-success: #10B981;     /* Enhanced Green */
        --brand-warning: #F59E0B;     /* Amber */
        --brand-danger: #EF4444;      /* Red */
        
        --bg-main: #FFFFFF;
        --bg-card: #FFFFFF;
        --text-main: #000000;         /* Official --black */
        --text-muted: #757575;        /* Official --gray-600 */
        
        --border-light: #E3DBD8;      /* Official --border-1 */
        --radius-pro: 20px;
        --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
        --shadow-md: 0 10px 25px -5px rgba(0, 172, 193, 0.08);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    * { margin: 0; padding: 0; box-sizing: border-box; outline: none; }

    body {
        font-family: 'Plus Jakarta Sans', sans-serif;
        background-color: var(--bg-main);
        color: var(--text-main);
        line-height: 1.6;
        overflow-x: hidden;
    }

    /* --- Global Section Padding --- */
    section {
        padding: 40px 8%;
        width: 100%;
    }

    /* --- Navigation --- */
    nav {
        padding: 1rem 8%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border-light);
    }

    .logo {
        font-family: 'Outfit', sans-serif;
        font-weight: 700;
        font-size: 1.1rem;
        display: flex;
        align-items: center;
        gap: 10px;
        color: var(--brand-primary);
        text-decoration: none;
        letter-spacing: -0.5px;
    }

    .btn {
        padding: 8px 16px;
        border-radius: 50px; 
        font-weight: 600;
        text-decoration: none;
        transition: var(--transition);
        font-size: 0.8rem;
        cursor: pointer;
        border: none;
    }

    .btn-primary { 
        background: var(--brand-primary);
        color: white;
    }

    .btn-primary:hover { 
        background: var(--brand-primary-dark); 
        transform: translateY(-1px);
    }

    .btn-outline {
        background: transparent;
        border: 1px solid var(--brand-primary);
        color: var(--brand-primary);
    }

    /* --- Hero Section --- */
    .hero-wrapper {
        background-color: var(--section-hero);
        padding: 160px 8% 100px;
    }
    .top-heading{
        max-width: 1400px;
        margin: 0 auto;
        padding-bottom: 30px;
    }

    .hero {
        max-width: 1400px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 60px;
        align-items: center;
        padding: 0; 
    }

    .hero-text h1 {
        font-family: 'Outfit', sans-serif;
        font-size: clamp(1.5rem, 3vw, 2rem);
        font-weight: 700;
        line-height: 1.1;
        margin-bottom: 1.5rem;
        color: var(--text-main);
        letter-spacing: -1.5px;
    }

    .hero-text p {
        color: var(--text-muted);
        font-size: 1.15rem;
        margin-bottom: 2.5rem;
        max-width: 600px;
    }

    /* Image styling added for responsiveness and style */
    .hero-img {
        width: 100%;
        height: auto;
        max-width: 100%;
        display: block;
        border-radius: var(--radius-pro);
        box-shadow: var(--shadow-md);
        object-fit: cover;
    }

    /* --- Input Dashboard --- */
    .check-card {
        background: var(--bg-card);
        padding: 2.5rem;
        border-radius: var(--radius-pro);
        border: 1px solid var(--border-light);
        box-shadow: var(--shadow-md);
        position: relative;
    }

    .input-label {
        display: block;
        font-size: 0.85rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--brand-primary);
        margin-bottom: 1rem;
    }

    .input-group {
        position: relative;
        margin-bottom: 1.5rem;
    }

    .input-group input {
        width: 100%;
        background: #f8fafc;
        border: 1px solid var(--border-light);
        padding: 1.25rem 1.5rem;
        border-radius: 50px;
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--text-main);
        transition: var(--transition);
    }

    .input-group input:focus {
        background: #fff;
        border-color: var(--brand-primary);
        box-shadow: 0 0 0 4px rgba(0, 172, 193, 0.1);
    }

    .verify-btn {
        width: 100%;
        padding: 1.25rem;
        border-radius: 50px;
        background: var(--brand-primary);
        color: white;
        font-weight: 700;
        font-size: 1rem;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }

    .verify-btn:hover { background: var(--brand-primary-dark); }
    .verify-btn:disabled { opacity: 0.7; cursor: not-allowed; }

    /* --- Loading Spinner --- */
    .spinner {
        width: 48px;
        height: 48px;
        border: 4px solid rgba(0, 172, 193, 0.1);
        border-top: 4px solid var(--brand-primary);
        border-radius: 50%;
        animation: spin 0.8s linear infinite;
        margin: 0 auto 24px;
    }

    .mini-spinner {
        width: 18px;
        height: 18px;
        border: 2px solid rgba(0, 172, 193, 0.1);
        border-top: 2px solid var(--brand-primary);
        border-radius: 50%;
        animation: spin 0.8s linear infinite;
        display: inline-block;
        vertical-align: middle;
        margin-right: 8px;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }

    /* --- Bento Features Grid --- */
    .bento-section {
        background-color: var(--section-secondary);
    }

    .bento-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        grid-auto-rows: minmax(180px, auto);
        gap: 20px;
        max-width: 1400px;
        margin: 0 auto;
    }

    .bento-item {
        background: var(--bg-card);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-pro);
        padding: 2.5rem;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .bento-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--brand-primary); }

    .bento-item h3 { font-family: 'Outfit', sans-serif; font-size: 1.5rem; margin-bottom: 0.75rem; color: var(--brand-primary); }
    .bento-item p { font-size: 1rem; color: var(--text-muted); }

    .bento-1 { grid-column: span 2; grid-row: span 2; background: var(--brand-primary); color: white; }
    .bento-1 h3 { color: white; font-size: 2rem; }
    .bento-1 p { color: rgba(255, 255, 255, 0.9); font-size: 1.15rem; }
    .bento-2 { grid-column: span 2; }
    .bento-3 { grid-column: span 2; }
    .bento-4 { grid-column: span 2; }

    /* --- Status Labels (Grid) --- */
    .status-labels {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
        margin-top: 40px;
        width: 100%;
    }
    .label-card {
        padding: 40px;
        border-radius: 20px;
        background: white;
        box-shadow: var(--shadow-md);
        border: 1px solid var(--border-light);
        border-top: 8px solid #ccc;
        height: 100%;
        transition: var(--transition);
    }
    .label-card:hover { transform: translateY(-5px); }
    .label-card.white { border-top-color: var(--brand-primary); }
    .label-card.grey { border-top-color: #F59E0B; }
    .label-card.black { border-top-color: #EF4444; }

    /* --- Info Section Layouts --- */
    .info-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        align-items: center;
    }
    .info-text h2 { font-family: 'Outfit'; font-size: 2.2rem; color: var(--brand-primary-dark); margin-bottom: 1.5rem; }
    .info-text p { margin-bottom: 1.2rem; font-size: 1.05rem; }
    .info-list { list-style: none; }
    .info-list li { position: relative; padding-left: 30px; margin-bottom: 12px; }
    .info-list li::before { content: "✓"; position: absolute; left: 0; color: var(--brand-primary); font-weight: 900; }

    /* --- FAQ Section --- */
    .faq-section {
        background-color: var(--section-tertiary);
    }

    .accordion {
        background: white;
        margin-bottom: 15px;
        border-radius: 12px;
        border: 1px solid var(--border-light);
        overflow: hidden;
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
    }
    .accordion-header {
        padding: 20px 30px;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        font-weight: 700;
        color: var(--brand-primary-dark);
    }
    .accordion-content {
        padding: 0 30px;
        max-height: 0;
        overflow: hidden;
        transition: 0.4s;
        color: var(--text-muted);
    }
    .active .accordion-content { padding: 20px 30px; max-height: 500px; border-top: 1px solid #f1f5f9; }

    /* --- Official Portal Iframe Section --- */
    #officialPortalSection {
        display: none;
        max-width: 1400px;
        margin: 0 auto;
        padding: 40px 0 100px;
    }

    .portal-container {
        background: white;
        border-radius: var(--radius-pro);
        border: 1px solid var(--border-light);
        overflow: hidden;
        box-shadow: 0 25px 50px -12px rgba(0,0,0,0.1);
    }

    .portal-bar {
        background: #f8fafc;
        padding: 12px 24px;
        border-bottom: 1px solid var(--border-light);
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .portal-dot { width: 10px; height: 10px; border-radius: 50%; background: #cbd5e1; }

    #portalFrame { width: 100%; height: 800px; border: none; }

    /* --- Alerts --- */
    #resultBox {
        display: none;
        margin-top: 1.5rem;
        padding: 1.25rem;
        border-radius: 12px;
        font-size: 1rem;
        font-weight: 600;
        text-align: center;
        border: 1px solid var(--border-light);
    }

    footer {
        background: var(--brand-primary);
        padding: 80px 8% 40px;
        color: white;
        text-align: center;
    }

    .footer-tag {
        display: inline-block;
        background: rgba(255, 255, 255, 0.1);
        padding: 6px 16px;
        border-radius: 6px;
        font-size: 0.75rem;
        font-weight: 700;
        color: white;
        margin-bottom: 1.5rem;
        letter-spacing: 1px;
    }

    /* --- Global Container --- */
    .content-container {
        max-width: 1400px;
        margin: 0 auto;
        padding: 0;
    }

    @media (max-width: 1024px) {
        section { padding: 80px 5%; }
        .hero { grid-template-columns: 1fr; text-align: center; }
        .hero-text p { margin: 0 auto 2.5rem; }
        .hero-visual { max-width: 600px; margin: 0 auto; }
        .bento-grid { grid-template-columns: 1fr; }
        .bento-1, .bento-2, .bento-3, .bento-4 { grid-column: span 1; }
        .info-grid { grid-template-columns: 1fr; }
        nav { padding: 1rem 5%; }
    }

    @media (max-width: 768px) {
        section { padding: 60px 5%; }
        .status-labels {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .label-card {
            padding: 30px;
        }
        .hero-wrapper { padding-top: 120px; padding-bottom: 60px; }
        #portalFrame { height: 600px; }
    }

    @media (max-width: 640px) {
        #portalFrame { height: 500px; }
        .hero-text h1 { font-size: 2.2rem; }
        .check-card { padding: 1.5rem; }
        .input-group input { padding: 1rem; font-size: 1rem; }
        .label-card { padding: 25px 20px; }
    }