/* Typography Imports */
@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:wght@400;700&family=Inter:wght@300;400;500;600&display=swap');

/* CSS Variables */
:root {
    --primary-color: #0B1F33;
    /* Deep Navy */
    --secondary-color: #1E1E1E;
    /* Charcoal */
    --accent-color: #2F4F6F;
    /* Muted Steel Blue */
    --background-color: #FFFFFF;
    /* White */

    --font-heading: 'Libre Baskerville', Georgia, serif;
    --font-body: 'Inter', Helvetica, sans-serif;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-xxl: 8rem;

    --border-subtle: 1px solid rgba(0, 0, 0, 0.08);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    line-height: 1.7;
    /* Increased line-height */
}

body {
    font-family: var(--font-body);
    color: var(--secondary-color);
    background-color: var(--background-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 400;
    line-height: 1.3;
    margin-bottom: var(--spacing-sm);
}

h1 {
    font-size: 3.2rem;
    /* Larger */
    letter-spacing: -0.04em;
    /* Tighter tracking */
}

h2 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
    border-bottom: var(--border-subtle);
    /* Thinner border-bottom */
    padding-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

p {
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
    color: var(--secondary-color);
    font-weight: 300;
}

ul,
ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-xs);
    font-size: 1.125rem;
    color: var(--secondary-color);
    font-weight: 300;
}

a {
    color: var(--primary-color);
    text-decoration: underline;
    /* Removed transitions */
}

a:hover {
    color: var(--primary-color);
}

/* Button */
.button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--background-color);
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    /* Removed transitions */
}

.button:hover {
    background-color: var(--primary-color);
    color: var(--background-color);
}

/* Layout Containers */
.container {
    max-width: 960px;
    /* Reduced to 960px */
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

header {
    padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
    /* Increased vertical padding */
    border-bottom: var(--border-subtle);
    margin-bottom: var(--spacing-xl);
}

.header-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    /* Centered content */
    gap: var(--spacing-md);
}

/* Logo Sizing */
.site-logo {
    height: 72px;
    /* Original request 48px, but updated logo specification said 72px */
    display: block;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .site-logo {
        height: 56px;
    }
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding: 0;
    margin: 0;
}

nav a {
    font-family: var(--font-body);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--secondary-color);
    font-weight: 500;
    text-decoration: none;
}

nav a:hover,
nav a.active {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 2px;
}

/* Main Content Area */
main {
    min-height: 60vh;
    padding-bottom: var(--spacing-xxl);
}

section {
    margin-bottom: var(--spacing-xxl);
    /* Increased whitespace between sections */
}

.section-divider {
    border-top: var(--border-subtle);
    padding-top: var(--spacing-xl);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: var(--spacing-sm) 0 var(--spacing-xl) 0;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg) auto;
}

.hero h1 {
    margin-bottom: var(--spacing-sm);
}

.hero .subtitle {
    font-size: 1.5rem;
    font-family: var(--font-heading);
    color: var(--primary-color);
    margin-top: 0.5rem;
    margin-bottom: var(--spacing-md);
}

.hero .subtext {
    font-size: 1.125rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    line-height: 1.6;
}

.hero .actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
}

.hero .secondary-link {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid var(--primary-color);
    padding-bottom: 2px;
}

/* Authority Strip - Full width breaking out of container */
.authority-strip {
    background-color: var(--primary-color);
    color: var(--background-color);
    padding: var(--spacing-md) 0;
    text-align: center;
    width: 100vw;
    position: relative;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    margin-bottom: var(--spacing-xxl);
}

.authority-strip h2 {
    color: var(--background-color);
    border: none;
    margin-bottom: var(--spacing-xs);
    padding-bottom: 0;
    font-size: 1.4rem;
    letter-spacing: 0.08em;
}

.authority-strip p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
    font-size: 1.125rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* 2x2 Grid for Core Engagement Areas */
.grid-2x2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.card {
    border: var(--border-subtle);
    padding: 2.5rem;
    min-height: 150px;
    background-color: var(--background-color);
}

.card h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    color: var(--primary-color);
    font-weight: 700;
}

.card p {
    font-size: 1rem;
    margin-bottom: 0;
}

/* Engagement Methodology */
.methodology-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.methodology-step {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    border-bottom: var(--border-subtle);
    padding-bottom: var(--spacing-sm);
}

.methodology-step .step-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--primary-color);
    font-weight: 400;
    min-width: 3.5rem;
    opacity: 0.5;
}

.methodology-step .step-title {
    font-size: 1.25rem;
    font-family: var(--font-body);
    font-weight: 500;
    color: var(--primary-color);
    margin: 0;
}

/* Credentials Grid */
.credentials-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.credentials-list {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.credentials-list li {
    margin-bottom: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    border-bottom: var(--border-subtle);
}

.credentials-list li:last-child {
    border-bottom: none;
}

/* Utility */
.text-left {
    text-align: left;
}

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

.grid-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    padding-left: 0;
}

.grid-list li {
    list-style: none;
    padding-left: 1rem;
    position: relative;
}

.grid-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.small-note {
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    font-style: italic;
    color: var(--primary-color);
}

/* Final CTA */
.final-cta {
    text-align: center;
    padding: var(--spacing-xl) 0;
    margin-bottom: 0;
}

.final-cta p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

/* Services */
.service-block {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: var(--border-subtle);
}

.service-block:last-child {
    border-bottom: none;
}

.service-block h3 {
    margin-top: var(--spacing-md);
    color: var(--primary-color);
}

/* Insights */
.insight-article {
    margin-bottom: var(--spacing-xl);
}

.insight-article h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

/* Footer */
footer {
    border-top: var(--border-subtle);
    padding: var(--spacing-md) 0;
    margin-top: 0;
    font-size: 0.875rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-col p {
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

/* Responsive */
@media (max-width: 768px) {

    .grid-2x2,
    .credentials-grid,
    .grid-list {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: left;
    }

    .authority-strip {
        padding: var(--spacing-md);
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

.service-separator {
    width: 60px;
    height: 1px;
    background-color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}