/* --- DESIGN SYSTEM: Shield & Trust --- */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700&family=Open+Sans:wght@400;500&display=swap');

:root {
    /* Colors */
    --primary: #1e40af;
    --secondary: #7c3aed;
    --accent: #f59e0b;
    --success: #059669;
    --warning: #dc2626;
    --background: #f8fafc;
    --surface: #ffffff;
    --card: #f1f5f9;
    --text: #1e293b;
    --muted: #64748b;

    /* Typography */
    --font-headings: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2.5rem;
    --spacing-xl: 4rem;
    
    /* Effects */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease-in-out;
}

/* --- GLOBAL STYLES --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px; /* Header height */
}

body {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: var(--text);
    background-color: var(--background);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headings);
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.125rem; margin-bottom: var(--spacing-md); }
h3 { font-size: 1.375rem; }
h4 { font-size: 1.125rem; }

p { margin-bottom: var(--spacing-sm); }
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
ul { list-style: none; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

.surface-bg { background-color: var(--surface); }

/* --- HEADER --- */
.main-header {
    background-color: var(--surface);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--card);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1.25rem;
    color: var(--primary);
}

.logo .shield-icon { color: var(--primary); }

.main-nav ul {
    display: flex;
    gap: var(--spacing-md);
}

.main-nav a {
    font-weight: 500;
    color: var(--text);
    position: relative;
    padding-bottom: 0.25rem;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--secondary);
    transition: var(--transition);
}

.main-nav a:hover::after {
    width: 100%;
}

.cta-button {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    font-family: var(--font-headings);
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.cta-button.accent {
    background-color: var(--accent);
    color: #fff;
}

.cta-button.accent:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.header .cta-button {
    background-color: var(--accent);
    color: #fff;
}

.mobile-nav-toggle { display: none; }

/* --- HERO SECTION --- */
.hero-section {
    background: linear-gradient(180deg, var(--surface) 0%, #eef2ff 100%);
    padding-top: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--spacing-lg);
}

.hero-text .subtitle {
    font-size: 1.125rem;
    color: var(--muted);
    margin: var(--spacing-md) 0;
}
.hero-text h1 { color: var(--primary); }

.hero-image img {
    width: 100%;
    max-width: 500px;
    height: auto;
    display: block;
    border-radius: var(--border-radius);
}

/* --- STATS SECTION --- */
.stats-section {
    background-color: var(--card);
}
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    text-align: center;
}
.stat-box {
    background: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--secondary);
}
.stat-number {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}
.stat-description {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0;
}

/* --- RECOMMENDATIONS SECTION --- */
.recommendations-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}
.recommendation-card {
    background-color: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}
.recommendation-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.recommendation-card .card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid;
}
.recommendation-card h3 { color: var(--text); }
.recommendation-card ul {
    list-style-type: '✓ ';
    padding-left: 1.5rem;
}
.recommendation-card li { margin-bottom: var(--spacing-xs); }

.priority-high { border-top: 5px solid var(--success); }
.priority-high .card-header { border-color: var(--success); }

.priority-medium { border-top: 5px solid var(--accent); }
.priority-medium .card-header { border-color: var(--accent); }

.priority-low { border-top: 5px solid var(--warning); }
.priority-low .card-header { border-color: var(--warning); }

/* --- CONTENT SECTIONS --- */
.content-section { background-color: var(--card); }
.priority-label {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-family: var(--font-headings);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}
.priority-label.green { background-color: #d1fae5; color: var(--success); }
.priority-label.yellow { background-color: #fef3c7; color: var(--accent); }
.priority-label.red { background-color: #fee2e2; color: var(--warning); }

.split-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}
.split-layout.reverse { grid-template-columns: 45% 55%; }
.split-layout.reverse .content-image { order: -1; }
.content-image img { width: 100%; border-radius: var(--border-radius); box-shadow: var(--shadow-md); }

/* BU Stats Table */
.bu-stats-table { margin-top: var(--spacing-md); }
.bu-stats-table table {
    width: 100%;
    max-width: 500px;
    border-collapse: collapse;
    margin: auto;
}
.bu-stats-table th, .bu-stats-table td {
    padding: var(--spacing-sm);
    text-align: left;
    border-bottom: 1px solid var(--card);
}
.bu-stats-table thead { background-color: var(--primary); color: #fff; }
.bu-stats-table tbody tr:nth-child(even) { background-color: var(--card); }
.bu-stats-table td:last-child { font-weight: 600; color: var(--primary); }

/* Two Cards Layout */
.two-cards-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}
.info-card {
    background: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--secondary);
}
.info-card h3 { margin-bottom: var(--spacing-sm); }
.info-card .recommendation {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--card);
    font-size: 0.9rem;
    color: var(--muted);
}
.info-card .recommendation strong { color: var(--text); }

/* Unnecessary Section */
.warning-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}
.warning-card {
    background-color: #fff1f2;
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--warning);
}
.warning-card h4 { color: var(--warning); }
.disclaimer-note {
    text-align: center;
    color: var(--muted);
    margin-top: var(--spacing-md);
}

/* --- CHECKLIST SECTION --- */
.checklist-section { background-color: var(--card); }
.checklist-box {
    background-color: var(--surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    max-width: 700px;
    margin: 0 auto;
}
.checklist li {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}
.checklist label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}
.checklist input[type="checkbox"] {
    width: 1.5em;
    height: 1.5em;
    accent-color: var(--success);
}
.checklist label.checked {
    text-decoration: line-through;
    color: var(--muted);
}
.center-text { text-align: center; max-width: 600px; margin: var(--spacing-md) auto 0; }

/* --- STEPS SECTION --- */
.steps-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}
.step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}
.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background-color: var(--secondary);
    color: white;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-family: var(--font-headings);
    font-size: 1.5rem;
    font-weight: 700;
}
.step-content h3 { color: var(--primary); }

/* --- FAQ SECTION --- */
.accordion { max-width: 800px; margin: auto; }
.accordion-item {
    background-color: var(--surface);
    margin-bottom: var(--spacing-xs);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--card);
}
.accordion-header {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    padding: var(--spacing-md);
    font-family: var(--font-headings);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text);
}
.accordion-icon {
    font-size: 1.5rem;
    color: var(--secondary);
    transition: transform 0.2s;
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-in-out;
}
.accordion-content p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    margin: 0;
}
.accordion-item.active .accordion-content {
    max-height: 300px; /* Adjust as needed */
}
.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}

/* --- CONTACT SECTION --- */
.contact-section { background-color: var(--card); }
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}
.contact-info p { margin-bottom: var(--spacing-xs); }
.map-container { margin-top: var(--spacing-md); }

.contact-form {
    background-color: var(--surface);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}
.form-group {
    margin-bottom: var(--spacing-sm);
}
.form-group-split {
    display: flex;
    gap: var(--spacing-sm);
}
.form-group-split .form-group { width: 100%; }
.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}
input[type="text"], input[type="email"], select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #cbd5e1;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 1rem;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 2px rgba(124, 58, 237, 0.2);
}
textarea { resize: vertical; }
.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}
.form-group-checkbox input { margin-right: 0.5rem; }
.full-width { width: 100%; }

/* --- FOOTER --- */
.main-footer {
    background-color: var(--primary);
    color: #e0e7ff;
    padding-top: var(--spacing-xl);
}
.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}
.footer-column .logo { color: #fff; }
.footer-column p { font-size: 0.9rem; }
.footer-column h4 { color: #fff; margin-bottom: var(--spacing-sm); }
.footer-column ul li { margin-bottom: var(--spacing-xs); }
.footer-column a { color: #e0e7ff; }
.footer-column a:hover { color: #fff; text-decoration: underline; }
.trust-badges {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}
.trust-badges span {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
}
.footer-disclaimer {
    background-color: rgba(0,0,0,0.1);
    padding: var(--spacing-sm) 0;
    margin-top: var(--spacing-lg);
    font-size: 0.8rem;
    text-align: center;
}
.footer-disclaimer p { margin: 0.5rem 0; }
.footer-bottom {
    background-color: rgba(0,0,0,0.2);
    padding: var(--spacing-sm) 0;
    text-align: center;
    font-size: 0.8rem;
}
.footer-bottom p { margin: 0; }


/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
    .hero-container, .split-layout, .contact-container { grid-template-columns: 1fr; }
    .split-layout.reverse .content-image { order: 0; }
    .hero-text { text-align: center; }
    .hero-image { margin: 0 auto; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.8rem; }
    section { padding: var(--spacing-lg) 0; }
    
    .recommendations-grid, .two-cards-layout { grid-template-columns: 1fr; }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--surface);
        flex-direction: column;
        text-align: center;
        box-shadow: var(--shadow-md);
    }
    .main-nav.active { display: flex; }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav li { border-bottom: 1px solid var(--card); }
    .main-nav a { display: block; padding: var(--spacing-md); }
    
    .mobile-nav-toggle {
        display: block;
        background: none;
        border: none;
        cursor: pointer;
        width: 30px;
        height: 30px;
        position: relative;
    }
    .hamburger, .hamburger::before, .hamburger::after {
        content: '';
        position: absolute;
        width: 30px;
        height: 3px;
        background-color: var(--primary);
        border-radius: 5px;
        transition: all 0.3s;
    }
    .hamburger { top: 13px; }
    .hamburger::before { top: -10px; }
    .hamburger::after { top: 10px; }
    
    .mobile-nav-toggle.open .hamburger { background-color: transparent; }
    .mobile-nav-toggle.open .hamburger::before { transform: rotate(45deg); top: 0; }
    .mobile-nav-toggle.open .hamburger::after { transform: rotate(-45deg); top: 0; }
    
    .main-header .cta-button { display: none; }
    
    .footer-container { grid-template-columns: 1fr 1fr; }
    .footer-container .footer-column:first-child { grid-column: 1 / -1; }
}

@media (max-width: 480px) {
    .form-group-split { flex-direction: column; gap: 0; }
    .footer-container { grid-template-columns: 1fr; text-align: center; }
}