/* ============================================
   Provenance Risk Advisory LLC
   Design System & Styles
   ============================================ */

/* ============================================
   CSS Variables - Design Tokens
   ============================================ */
:root {
    /* Colors */
    --color-navy: #1B2A4A;
    --color-navy-dark: #141F38;
    --color-navy-light: #2A3D62;
    --color-gold: #C5932A;
    --color-gold-light: #D4A94A;
    --color-gold-dark: #A67B1F;
    --color-text-primary: #1a1a1a;
    --color-text-secondary: #4A5568;
    --color-text-light: #718096;
    --color-white: #FFFFFF;
    --color-off-white: #FAFBFC;
    --color-light-grey: #F3F4F6;
    --color-border: #E2E8F0;
    --color-border-light: #EDF2F7;

    /* Typography */
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Source Serif 4', 'Georgia', serif;
    --font-size-base: 17px;
    --font-size-sm: 15px;
    --font-size-xs: 13px;
    --font-size-h1: 52px;
    --font-size-h2: 36px;
    --font-size-h3: 24px;
    --font-size-h4: 20px;
    --line-height-base: 1.7;
    --line-height-heading: 1.2;

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;
    --spacing-4xl: 128px;

    /* Layout */
    --container-max-width: 1140px;
    --container-narrow: 800px;
    --header-height: 80px;

    /* Effects */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.06);
    --transition-speed: 200ms;
    --transition-easing: ease-in-out;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

/* ============================================
   CSS Reset & Base Styles
   ============================================ */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-navy);
    text-decoration: none;
    transition: color var(--transition-speed) var(--transition-easing);
}

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

ul, ol {
    list-style: none;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: var(--line-height-heading);
    color: var(--color-navy);
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-h1);
    letter-spacing: -0.02em;
}

h2 {
    font-size: var(--font-size-h2);
    font-weight: 600;
}

h3 {
    font-size: var(--font-size-h3);
    font-weight: 600;
}

h4 {
    font-size: var(--font-size-h4);
    font-weight: 600;
}

p {
    margin-bottom: var(--spacing-sm);
}

p:last-child {
    margin-bottom: 0;
}

strong {
    font-weight: 600;
}

/* ============================================
   Accessibility
   ============================================ */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--spacing-sm);
    background: var(--color-navy);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    z-index: 10000;
    font-size: var(--font-size-sm);
}

.skip-link:focus {
    top: var(--spacing-xs);
    color: var(--color-white);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================
   Layout
   ============================================ */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container--narrow {
    max-width: var(--container-narrow);
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    z-index: 1000;
    transition: background-color 300ms ease, box-shadow 300ms ease;
}

.site-header.scrolled {
    background-color: var(--color-white);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.08);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo:hover {
    color: var(--color-navy);
}

.logo-mark {
    width: 40px;
    height: 40px;
    background: var(--color-gold);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 18px;
    color: var(--color-navy);
    letter-spacing: -0.01em;
}

.site-header.scrolled .logo-text {
    color: var(--color-navy);
}

/* Navigation */
.main-nav ul {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.main-nav a {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-navy);
    text-decoration: none;
    padding: 6px 0;
    position: relative;
    transition: color var(--transition-speed) var(--transition-easing);
}

.site-header:not(.scrolled) .main-nav a {
    color: rgba(255, 255, 255, 0.85);
}

.site-header:not(.scrolled) .main-nav a:hover,
.site-header:not(.scrolled) .main-nav a.active {
    color: var(--color-white);
}

.site-header:not(.scrolled) .logo-text {
    color: var(--color-white);
}

.site-header:not(.scrolled) .logo-mark {
    background: var(--color-gold);
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-gold);
    transform: scaleX(0);
    transition: transform var(--transition-speed) var(--transition-easing);
}

.main-nav a:hover::after,
.main-nav a.active::after {
    transform: scaleX(1);
}

.main-nav a:hover {
    color: var(--color-navy);
}

.main-nav a.active {
    color: var(--color-navy);
    font-weight: 600;
}

.site-header.scrolled .main-nav a:hover,
.site-header.scrolled .main-nav a.active {
    color: var(--color-navy);
}

/* For pages with light headers (not hero) */
.site-header.light-header .main-nav a {
    color: var(--color-navy);
}

.site-header.light-header .logo-text {
    color: var(--color-navy);
}

/* Mobile Nav Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-navy);
    transition: all var(--transition-speed) var(--transition-easing);
}

.site-header:not(.scrolled) .menu-toggle span {
    background: var(--color-white);
}

.site-header.light-header .menu-toggle span {
    background: var(--color-navy);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-white);
    z-index: 2000;
    padding: var(--spacing-xl) var(--spacing-lg);
    transition: right 300ms ease;
    box-shadow: var(--shadow-lg);
}

.mobile-menu.open {
    right: 0;
}

.menu-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--color-navy);
    padding: 4px 8px;
    line-height: 1;
}

.mobile-menu nav {
    margin-top: var(--spacing-2xl);
}

.mobile-menu nav ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.mobile-menu nav a {
    font-size: 18px;
    font-weight: 500;
    color: var(--color-navy);
    display: block;
    padding: var(--spacing-xs) 0;
}

.mobile-menu nav a:hover {
    color: var(--color-gold);
}

.mobile-menu-contact {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.mobile-menu-contact a {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 300ms ease, visibility 300ms ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: 600;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-easing);
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--color-gold-dark);
    color: var(--color-white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(197, 147, 42, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--color-navy);
    border: 2px solid var(--color-navy);
}

.btn-secondary:hover {
    background: var(--color-navy);
    color: var(--color-white);
    transform: translateY(-1px);
}

.btn-outline-light {
    background: transparent;
    color: var(--color-white);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-cta {
    background: var(--color-gold);
    color: var(--color-white);
    font-size: 16px;
    padding: 16px 40px;
}

.btn-cta:hover {
    background: var(--color-gold-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(197, 147, 42, 0.35);
}

/* ============================================
   Hero Section (Home)
   ============================================ */
.hero {
    background: var(--color-navy);
    padding: calc(var(--header-height) + var(--spacing-3xl)) 0 var(--spacing-3xl);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(197, 147, 42, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.hero-tagline {
    display: block;
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.35em;
    color: var(--color-gold);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(197, 147, 42, 0.4);
}

.hero h1 {
    color: var(--color-white);
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    line-height: 1.15;
}

.hero-description {
    font-size: 19px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    justify-content: center;
}

/* ============================================
   Page Header (Interior pages)
   ============================================ */
.page-header {
    background: var(--color-navy);
    padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    text-align: center;
}

.page-header h1 {
    color: var(--color-white);
    font-size: 42px;
    margin-bottom: var(--spacing-sm);
}

.page-header p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Section Styles
   ============================================ */
.section {
    padding: var(--spacing-3xl) 0;
}

.section--grey {
    background-color: var(--color-light-grey);
}

.section--navy {
    background-color: var(--color-navy);
}

.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--spacing-2xl);
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 18px;
}

.section-label {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   Problem Statement
   ============================================ */
.problem-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-off-white);
}

.problem-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.problem-content h2 {
    margin-bottom: var(--spacing-lg);
}

.problem-content p {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.problem-content strong {
    color: var(--color-navy);
}

.framework-refs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
}

.framework-ref {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-navy);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

/* ============================================
   Service Cards (Home)
   ============================================ */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    transition: all var(--transition-speed) var(--transition-easing);
    text-decoration: none;
    display: block;
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-gold);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    opacity: 0;
    transition: opacity var(--transition-speed) var(--transition-easing);
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-border-light);
}

.service-card:hover::before {
    opacity: 1;
}

.service-card-number {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: var(--font-size-h4);
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.65;
}

.service-card-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gold);
}

/* ============================================
   Credentials Bar
   ============================================ */
.credentials-bar {
    background: var(--color-navy);
    padding: var(--spacing-xl) 0;
}

.credentials-list {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md) var(--spacing-xl);
    flex-wrap: nowrap;
}

.credential-item {
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    text-align: center;
    position: relative;
    padding: 0 var(--spacing-md);
}

.credential-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: calc(-1 * var(--spacing-xl) / 2);
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
}

/* ============================================
   Research Card
   ============================================ */
.research-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    max-width: 700px;
    margin: 0 auto;
    display: block;
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-easing);
}

.research-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.research-card-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: var(--spacing-sm);
}

.research-card h3 {
    color: var(--color-navy);
    margin-bottom: var(--spacing-sm);
}

.research-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.research-card-link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gold);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    padding: var(--spacing-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

.contact-info-block h2 {
    margin-bottom: var(--spacing-lg);
}

.contact-info-block p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 17px;
    line-height: 1.7;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.contact-detail-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-light);
    min-width: 80px;
}

.contact-detail-value {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
}

.contact-detail-value a {
    color: var(--color-navy);
}

.contact-detail-value a:hover {
    color: var(--color-gold);
}

/* Contact Form */
.contact-form {
    background: var(--color-off-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-navy);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-speed) var(--transition-easing);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(197, 147, 42, 0.12);
}

.form-group textarea {
    min-height: 120px;
    resize: vertical;
}

.form-submit {
    width: 100%;
}

/* ============================================
   Services Page - Detail Sections
   ============================================ */
.service-detail {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-detail:last-of-type {
    border-bottom: none;
}

.service-detail:nth-child(even) {
    background: var(--color-off-white);
}

.service-detail-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.service-detail-number {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-sm);
}

.service-detail h2 {
    margin-bottom: var(--spacing-md);
}

.service-detail-problem {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.service-detail h3 {
    font-family: var(--font-body);
    font-size: var(--font-size-base);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
}

.approach-list {
    margin-bottom: var(--spacing-lg);
}

.approach-list li {
    position: relative;
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.approach-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-gold);
    border-radius: 50%;
}

.service-outcome {
    background: var(--color-light-grey);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-gold);
    margin-bottom: var(--spacing-lg);
}

.service-outcome p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.65;
}

.service-outcome strong {
    color: var(--color-navy);
}

.service-frameworks {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.service-framework-tag {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-navy);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
}

/* ============================================
   About Page
   ============================================ */
.about-section {
    padding: var(--spacing-3xl) 0;
}

.about-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.about-content p {
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.about-content p:last-child {
    margin-bottom: 0;
}

.about-content strong {
    color: var(--color-navy);
}

/* Bio Section */
.bio-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-off-white);
}

.bio-content {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.bio-header {
    margin-bottom: var(--spacing-xl);
}

.bio-title {
    font-size: 18px;
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.credential-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.credential-entry {
    padding-left: var(--spacing-md);
    border-left: 2px solid var(--color-gold);
}

.credential-entry h4 {
    font-family: var(--font-body);
    margin-bottom: 4px;
}

.credential-entry p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

/* Research Links */
.research-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.research-link-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: block;
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-easing);
}

.research-link-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.research-link-card h4 {
    color: var(--color-navy);
    margin-bottom: 6px;
}

.research-link-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: 0;
}

.research-link-card .status-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 3px 10px;
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-xs);
}

.status-badge--published {
    background: rgba(197, 147, 42, 0.1);
    color: var(--color-gold-dark);
}

.status-badge--progress {
    background: rgba(26, 26, 26, 0.06);
    color: var(--color-text-light);
}

/* Frameworks Grid */
.frameworks-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.framework-badge {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-navy);
}

/* ============================================
   Federal Page
   ============================================ */
.federal-data-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.data-block {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.data-block-label {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 6px;
}

.data-block-value {
    font-size: var(--font-size-h4);
    font-weight: 700;
    color: var(--color-navy);
}

.data-block-value.pending {
    color: var(--color-text-light);
    font-style: italic;
    font-weight: 500;
}

.naics-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.naics-item {
    font-size: var(--font-size-sm);
    color: var(--color-text-primary);
}

.naics-item .primary {
    font-weight: 700;
    color: var(--color-gold-dark);
}

.naics-item .code {
    font-weight: 600;
    color: var(--color-navy);
}

/* Agency Focus */
.agency-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.agency-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-xl);
    position: relative;
}

.agency-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-gold);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.agency-tag {
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gold);
    margin-bottom: var(--spacing-xs);
}

.agency-card h3 {
    margin-bottom: var(--spacing-sm);
}

.agency-card p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.65;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    background: var(--color-navy);
    padding: var(--spacing-3xl) 0;
    text-align: center;
}

.cta-section h2 {
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 18px;
    max-width: 560px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.7;
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--color-navy-dark);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    color: rgba(255, 255, 255, 0.7);
}

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

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-text {
    color: var(--color-white);
    font-size: 18px;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.footer-brand p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    margin-bottom: 0;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-col a {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-speed) var(--transition-easing);
}

.footer-col a:hover {
    color: var(--color-gold);
}

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

.footer-bottom p {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 0;
}

.footer-bottom a {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
    color: var(--color-gold);
}

/* ============================================
   Contact Page
   ============================================ */
.contact-page-grid {
    display: grid;
    grid-template-columns: 1fr 1.3fr;
    gap: var(--spacing-2xl);
    align-items: start;
}

/* ============================================
   Gold Accent Line
   ============================================ */
.gold-line {
    width: 48px;
    height: 3px;
    background: var(--color-gold);
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   Responsive - Tablet
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --font-size-h1: 42px;
        --font-size-h2: 32px;
    }

    .hero h1 {
        font-size: 40px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .contact-grid,
    .contact-page-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .federal-data-grid {
        grid-template-columns: 1fr;
    }

    .frameworks-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .credentials-list {
        flex-wrap: wrap;
        gap: var(--spacing-lg);
    }

    .credential-item:not(:last-child)::after {
        display: none;
    }
}

/* ============================================
   Responsive - Mobile
   ============================================ */
@media (max-width: 768px) {
    :root {
        --font-size-h1: 34px;
        --font-size-h2: 28px;
        --font-size-h3: 22px;
        --spacing-3xl: 64px;
        --spacing-2xl: 48px;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        padding: calc(var(--header-height) + var(--spacing-2xl)) 0 var(--spacing-2xl);
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero-description {
        font-size: 17px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        text-align: center;
    }

    .page-header {
        padding: calc(var(--header-height) + var(--spacing-xl)) 0 var(--spacing-xl);
    }

    .page-header h1 {
        font-size: 30px;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .credentials-list {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .credential-item {
        padding: 0;
    }

    .credential-item:not(:last-child)::after {
        display: none;
    }

    .agency-cards {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
    }

    .frameworks-grid {
        grid-template-columns: 1fr 1fr;
    }

    .contact-page-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .frameworks-grid {
        grid-template-columns: 1fr;
    }

    .service-card {
        padding: var(--spacing-lg);
    }
}