:root {
    --primary: #0a192f;
    --accent: #ff6b00;
}

body {
    font-family: 'Inter', sans-serif;
    color: #1a202c;
    line-height: 1.8;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header & Nav */
header {
    background: #fff;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-weight: 600;
    font-size: 1rem;
    color: var(--primary);
    text-decoration: none;
}

/* Footer */
footer {
    background: var(--primary);
    color: #fff;
    padding: 80px 0 20px;
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 4rem;
    margin-bottom: 60px;
    text-align: left;
}

.footer-col h4 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 1rem;
}

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    color: #a0aec0;
}

/* Authority Hub Styles */
.calculator-intro {
    background: var(--bg-offset);
    padding: 60px 0;
    margin-bottom: 4rem;
}

.cluster-section {
    margin-bottom: 5rem;
}

.cluster-title {
    font-family: 'Outfit';
    font-size: 2.2rem;
    margin-bottom: 2rem;
    padding-left: 1rem;
    border-left: 5px solid var(--accent);
}

.pillar-content {
    padding: 60px 0;
}

.breadcrumb {
    font-size: 0.9rem;
    color: #718096;
    margin-bottom: 2rem;
}

h1 {
    font-family: 'Outfit';
    font-size: 2.8rem;
    margin-bottom: 1rem;
}

h1 span {
    color: var(--accent);
}

.calculator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.calc-card {
    background: #ffffff;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid #edf2f7;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.calc-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.calc-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.calc-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.calc-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary);
    color: white;
    border-radius: 5px;
    margin-top: 1.5rem;
    font-weight: 700;
    text-decoration: none;
}

.btn:hover {
    background: var(--accent);
}

.btn-sm {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background: var(--primary);
    color: white;
    border-radius: 6px;
    font-weight: 600;
    text-align: center;
    transition: 0.2s;
}

.btn-sm:hover {
    background: var(--accent);
}

.pillar-educational {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

.pillar-educational h2 {
    font-family: 'Outfit';
    font-size: 2rem;
    margin: 3rem 0 1.5rem;
}

.pillar-educational p {
    margin-bottom: 1.5rem;
}

.educational-content {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid #e2e8f0;
}

.educational-content h2 {
    font-family: 'Outfit';
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.faq-section {
    margin-top: 5rem;
    background: #f7fafc;
    padding: 3rem;
    border-radius: 20px;
}

.faq-item {
    margin-bottom: 2rem;
}