@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-card-hover: #334155;
    --primary: #f97316; /* Safety Orange */
    --primary-hover: #ea580c;
    --accent-yellow: #eab308; /* Caution Amber */
    --accent-red: #ef4444; /* Alert */
    --accent-green: #22c55e; /* Compliant */
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --border-glow: rgba(249, 115, 22, 0.15);
    --font-sans: 'Outfit', sans-serif;
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Base Layout & Shell */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-main);
    font-weight: 800;
    font-size: 1.35rem;
    letter-spacing: -0.025em;
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--accent-yellow));
    border-radius: 6px;
    display: grid;
    place-items: center;
    color: var(--bg-dark);
    font-weight: bold;
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition-fast);
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--text-main);
    background-color: var(--border-color);
}

.nav-cta {
    background-color: var(--primary);
    color: white !important;
    font-weight: 600 !important;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
}

.nav-cta:hover {
    background-color: var(--primary-hover) !important;
    transform: translateY(-1px);
}

/* Main Content Area */
main {
    flex: 1;
    max-width: 1300px;
    margin: 0 auto;
    width: 100%;
    padding: 2rem;
}

/* Footer styling */
footer {
    background-color: #090d16;
    border-top: 1px solid var(--border-color);
    padding: 4rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.footer-brand h3 span {
    color: var(--primary);
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    max-width: 350px;
}

.footer-col h4 {
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
    position: relative;
}

.footer-col h4::after {
    content: '';
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
    margin-top: 0.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.75rem;
}

.footer-col ul li a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-col ul li a:hover {
    color: var(--primary);
    padding-left: 4px;
}

.eeat-badge {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    background: rgba(30, 41, 91, 0.15);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.eeat-badge h5 {
    color: var(--accent-yellow);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.eeat-badge p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Hero Section */
.hero {
    padding: 5rem 0 6rem;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #cbd5e1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h1 span {
    background: linear-gradient(135deg, var(--primary), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 4px 20px rgba(249, 115, 22, 0.35);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(249, 115, 22, 0.45);
}

.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: radial-gradient(circle at 30% 30%, var(--bg-card) 0%, #0c111d 100%);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    text-align: center;
}

.hero-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(249, 115, 22, 0.15);
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

/* Featured Topics Grid */
.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-align: center;
}

.section-subtitle {
    color: var(--text-muted);
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.topics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 5rem;
}

.topic-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    transition: var(--transition-smooth);
    text-decoration: none;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.topic-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 25px rgba(249, 115, 22, 0.1);
    background-color: var(--bg-card-hover);
}

.topic-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: rgba(249, 115, 22, 0.1);
    border: 1px solid rgba(249, 115, 22, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.topic-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.topic-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
    flex-grow: 1;
}

.topic-link {
    margin-top: 1.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
}

/* Why Safety Matters Stats */
.why-safety-section {
    background: radial-gradient(100% 100% at 50% 0%, rgba(30, 41, 59, 0.4) 0%, rgba(15, 23, 42, 0.1) 100%);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 4rem 2rem;
    margin-bottom: 5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent-yellow));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Framework Infographic */
.framework-section {
    margin-bottom: 5rem;
}

.infographic {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: 3rem;
    overflow-x: auto;
    padding: 1.5rem 0.5rem;
}

.step-node {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    flex: 1;
    min-width: 160px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.step-num {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--primary);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    display: grid;
    place-items: center;
    border: 2px solid var(--bg-dark);
}

.step-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: 0.5rem;
    margin-bottom: 0.25rem;
}

.step-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.step-arrow {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 800;
    animation: pulse 2s infinite;
}

/* Content Page Layout: Pillar & Cluster Pages */
.content-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

.sidebar {
    position: sticky;
    top: 90px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    padding-right: 1rem;
}

.sidebar-heading {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1rem;
    padding-left: 0.75rem;
}

.sidebar-nav {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-nav a {
    display: block;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    padding: 0.6rem 0.75rem;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.sidebar-nav a:hover, .sidebar-nav a.active {
    color: var(--text-main);
    background-color: var(--bg-card);
}

.article-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 3rem;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--text-muted);
}

.article-meta strong {
    color: var(--text-main);
}

.author-chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.author-chip img {
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.article-body h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.article-body h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.article-body h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.article-body p {
    margin-bottom: 1.25rem;
    color: #e2e8f0;
}

.article-body ul, .article-body ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article-body li {
    margin-bottom: 0.5rem;
    color: #e2e8f0;
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9rem;
    border: 1px solid var(--border-color);
}

.article-body th, .article-body td {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.article-body th {
    background-color: #0f172a;
    font-weight: 600;
    color: var(--text-main);
}

.article-body tr:nth-child(even) {
    background-color: rgba(255, 255, 255, 0.02);
}

.callout-box {
    background: rgba(249, 115, 22, 0.05);
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
    padding: 1.5rem;
    margin: 2rem 0;
}

.callout-box h4 {
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* Interactive Tools Layout & Elements */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tool-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.tool-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.tool-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tool-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.form-select, .form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-main);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-select:focus, .form-input:focus {
    border-color: var(--primary);
    outline: none;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.15);
}

/* Slide Range Inputs */
.range-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.range-slider {
    flex-grow: 1;
    -webkit-appearance: none;
    height: 6px;
    border-radius: 3px;
    background: var(--border-color);
    outline: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--primary);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.5);
    transition: var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.range-val {
    min-width: 60px;
    text-align: right;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

/* Calculator Result Panel */
.result-panel {
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    animation: slideIn 0.3s ease;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.result-title {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
}

.risk-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
}

.risk-low {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
}

.risk-medium {
    background: rgba(234, 179, 8, 0.15);
    border: 1px solid var(--accent-yellow);
    color: var(--accent-yellow);
}

.risk-high {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid var(--accent-red);
    color: var(--accent-red);
}

.result-body h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.result-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.result-items {
    list-style: none;
}

.result-items li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.result-items li::before {
    content: "✓";
    color: var(--accent-green);
    font-weight: bold;
}

/* Compliance Tool Checkboxes */
.compliance-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checklist-item {
    display: flex;
    gap: 0.75rem;
    background: #0f172a;
    border: 1px solid var(--border-color);
    padding: 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.checklist-item:hover {
    border-color: var(--primary);
    background: rgba(249, 115, 22, 0.02);
}

.checklist-item input[type="checkbox"] {
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
    margin-top: 0.2rem;
}

.checklist-text h4 {
    font-size: 0.95rem;
    font-weight: 600;
}

.checklist-text p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Expert Authors / EEAT profile widgets */
.author-profile-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
}

.author-photo {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    object-fit: cover;
    flex-shrink: 0;
}

.author-info h4 {
    font-size: 1.15rem;
    font-weight: 700;
}

.author-title {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.author-bio {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.author-certs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.cert-badge {
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    font-size: 0.75rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

/* Downloads Section */
.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.download-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.download-info h4 {
    font-size: 1.05rem;
    font-weight: 600;
}

.download-info p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.download-btn {
    background-color: #0f172a;
    border: 1px solid var(--border-color);
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-weight: bold;
    text-decoration: none;
    transition: var(--transition-fast);
}

.download-btn:hover {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 0 10px rgba(249, 115, 22, 0.4);
}

/* Interactive SVG visual maps */
.svg-diagram-container {
    background: #0f172a;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    margin: 2rem 0;
    display: grid;
    place-items: center;
}

.hotspot {
    cursor: pointer;
    transition: var(--transition-fast);
}

.hotspot:hover {
    filter: brightness(1.3);
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 0.6; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(4px); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Overrides */
@media (max-width: 1024px) {
    .content-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        display: none; /* Collapsed on tablet/mobile */
    }
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 3rem 0;
    }
    .hero-content h1 {
        font-size: 2.75rem;
    }
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-ctas {
        justify-content: center;
    }
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Dynamic JS drawer/menu needed */
    }
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .infographic {
        flex-direction: column;
        gap: 1.5rem;
    }
    .step-arrow {
        transform: rotate(90deg);
        animation: none;
        margin: 0.5rem 0;
    }
    .article-content {
        padding: 1.5rem;
    }
    .article-body h1 {
        font-size: 2rem;
    }
}