/* 
   Club Cloud Design System
   Visual Identity: Boardroom Strategic Briefing / Executive Memo
   Palette: Stone (bg), Ink (text), Slate (secondary text), Steel (borders), Muted Teal (accents), Brass (highlights)
*/

/* --- Design Tokens & Variables --- */
:root {
    --bg-stone: #f8f7f4;         /* Warm stone-paper background */
    --bg-white: #ffffff;         /* Clean white for panels and cards */
    --bg-steel: #eef1f4;         /* Light steel tint for secondary panels */
    --text-ink: #111622;          /* Deep ink charcoal for primary text */
    --text-slate: #424e61;        /* Slate blue-gray for body copy */
    --text-muted: #627289;        /* Muted slate for metadata */
    --accent-teal: #1a4b54;       /* Deep muted teal for links, primary buttons, accents */
    --accent-teal-hover: #103138; /* Darker teal for hover states */
    --accent-brass: #8f744b;      /* Muted boardroom brass/gold for structural highlights */
    --accent-brass-light: #fbf9f5;/* Brass tint background */
    --border-steel: #d8dee6;      /* Steel grey border */
    --border-light: #e5e9f0;      /* Soft structural separator */
    
    --font-serif: "Georgia", "Times New Roman", "Charter", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    
    --max-width: 1040px;
    --transition-editorial: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    background-color: var(--bg-stone);
    color: var(--text-ink);
    font-family: var(--font-sans);
    line-height: 1.6;
    font-size: 1.05rem;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- Accessibility Helpers --- */
.skip-link {
    position: absolute;
    top: -100px;
    left: 20px;
    background: var(--accent-teal);
    color: #fff;
    padding: 8px 16px;
    z-index: 1000;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--accent-brass);
    transition: top 0.2s ease;
}

.skip-link:focus {
    top: 20px;
    outline: 2px solid var(--accent-brass);
}

a:focus-visible,
button:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--accent-teal);
    outline-offset: 3px;
}

/* --- Editorial Layout Framework --- */

/* Header & Navigation */
.site-header {
    background-color: var(--bg-stone);
    border-bottom: 3px double var(--border-steel);
    padding: 2rem 0 1rem 0;
}

.header-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.site-logo {
    text-decoration: none;
    text-align: center;
    display: block;
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-ink);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    line-height: 1;
}

.logo-subtitle {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: var(--accent-brass);
    font-weight: 600;
    margin-top: 0.6rem;
}

.site-nav {
    width: 100%;
    border-top: 1px solid var(--border-steel);
    border-bottom: 1px solid var(--border-steel);
    padding: 0.6rem 0;
}

.nav-list {
    list-style: none;
    display: flex;
    justify-content: center;
    gap: 3rem;
}

.nav-link {
    color: var(--text-slate);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.25rem 0;
    transition: var(--transition-editorial);
    position: relative;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--accent-teal);
    outline: none;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -0.65rem;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-brass);
    transition: var(--transition-editorial);
}

.nav-link:hover::after,
.nav-link:focus::after {
    width: 100%;
}

.nav-link.active {
    color: var(--text-ink);
}

.nav-link.active::after {
    width: 100%;
    background-color: var(--accent-teal);
}

/* Main Content Area */
main {
    flex: 1;
    width: 100%;
}

/* --- Layout Grid Elements (Executive Briefing Style) --- */

.briefing-banner {
    max-width: var(--max-width);
    margin: 2rem auto 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.75rem;
}

.briefing-layout {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem 4rem 1.5rem;
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
}

/* Left Column: Feature Report */
.feature-briefing {
    border-right: 1px solid var(--border-steel);
    padding-right: 3rem;
}

.feature-tag {
    display: inline-block;
    color: var(--accent-brass);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
    border-bottom: 2px solid var(--accent-brass);
    padding-bottom: 0.1rem;
}

.feature-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.feature-title a {
    color: var(--text-ink);
    text-decoration: none;
}

.feature-title a:hover {
    color: var(--accent-teal);
}

.feature-summary {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--text-slate);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.feature-image-container {
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-steel);
    background-color: var(--bg-white);
    padding: 4px;
}

.feature-image {
    width: 100%;
    height: auto;
    display: block;
}

.feature-body {
    color: var(--text-slate);
    margin-bottom: 1.75rem;
    font-size: 1rem;
}

.feature-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-light);
    padding-top: 1.25rem;
}

/* Right Column: Advisory Sidebar */
.advisory-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.sidebar-module {
    background-color: var(--bg-white);
    border: 1px solid var(--border-steel);
    padding: 1.75rem;
    position: relative;
}

.sidebar-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--accent-brass);
}

.sidebar-module-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-ink);
    margin-bottom: 1.25rem;
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 0.5rem;
}

.sidebar-brief-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sidebar-brief-item {
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 1rem;
}

.sidebar-brief-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-brief-meta {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
    display: block;
}

.sidebar-brief-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    line-height: 1.35;
}

.sidebar-brief-title a {
    color: var(--text-ink);
    text-decoration: none;
    transition: var(--transition-editorial);
}

.sidebar-brief-title a:hover {
    color: var(--accent-teal);
}

/* Pillar List */
.pillar-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.pillar-item h4 {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--accent-teal);
}

.pillar-item p {
    font-size: 0.85rem;
    color: var(--text-slate);
    line-height: 1.5;
}

/* Advisory Desk Info */
.advisory-desk-text {
    font-size: 0.9rem;
    color: var(--text-slate);
    line-height: 1.5;
    margin-bottom: 1.25rem;
}

/* --- UI Buttons & Links --- */
.text-link {
    color: var(--accent-teal);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition-editorial);
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.text-link:hover {
    color: var(--accent-brass);
}

.btn-editorial {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background-color: var(--accent-teal);
    color: #ffffff;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--accent-teal);
    transition: var(--transition-editorial);
    cursor: pointer;
    text-align: center;
}

.btn-editorial:hover,
.btn-editorial:focus {
    background-color: var(--accent-teal-hover);
    border-color: var(--accent-teal-hover);
    outline: none;
}

.btn-editorial-outline {
    display: inline-block;
    padding: 0.6rem 1.25rem;
    background-color: transparent;
    color: var(--accent-teal);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border: 1px solid var(--accent-teal);
    transition: var(--transition-editorial);
    cursor: pointer;
    text-align: center;
}

.btn-editorial-outline:hover,
.btn-editorial-outline:focus {
    background-color: var(--accent-teal);
    color: #ffffff;
    outline: none;
}

/* --- Grid List Layout (Insights Index) --- */
.list-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 3rem 1.5rem 5rem 1.5rem;
}

.list-header {
    border-bottom: 1px solid var(--border-steel);
    padding-bottom: 1.5rem;
    margin-bottom: 3rem;
}

.list-title {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-ink);
    margin-bottom: 0.5rem;
}

.list-subtitle {
    color: var(--text-slate);
    font-size: 1.05rem;
    max-width: 700px;
}

.briefings-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
}

.briefing-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-steel);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: var(--transition-editorial);
    position: relative;
}

.briefing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--border-steel);
    transition: var(--transition-editorial);
}

.briefing-card:hover {
    border-color: var(--border-steel);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}

.briefing-card:hover::before {
    background-color: var(--accent-brass);
}

.card-meta-top {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 0.75rem;
    display: block;
}

.card-title-main {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    line-height: 1.25;
    margin-bottom: 1rem;
    font-weight: 700;
}

.card-title-main a {
    color: var(--text-ink);
    text-decoration: none;
}

.card-title-main a:hover {
    color: var(--accent-teal);
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--text-slate);
    line-height: 1.5;
    margin-bottom: 1.5rem;
    flex: 1;
}

/* --- Document Detail Layout (Single View) --- */
.single-layout {
    max-width: 760px;
    margin: 0 auto;
    padding: 3rem 1.5rem 6rem 1.5rem;
}

.document-header {
    border-bottom: 1px solid var(--border-steel);
    padding-bottom: 2rem;
    margin-bottom: 2.5rem;
}

.document-category {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-brass);
    margin-bottom: 0.75rem;
    display: block;
}

.document-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    line-height: 1.15;
    font-weight: 700;
    color: var(--text-ink);
    margin-bottom: 1.25rem;
    letter-spacing: -0.01em;
}

.document-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    gap: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.document-meta-item strong {
    color: var(--text-slate);
}

.document-featured-wrap {
    margin-bottom: 2.5rem;
    border: 1px solid var(--border-steel);
    padding: 4px;
    background-color: var(--bg-white);
}

.document-featured-image {
    width: 100%;
    height: auto;
    display: block;
}

.document-body {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-slate);
}

.document-body p {
    margin-bottom: 1.5rem;
}

.document-body h2,
.document-body h3,
.document-body h4 {
    font-family: var(--font-serif);
    color: var(--text-ink);
    margin: 2.5rem 0 1rem 0;
    line-height: 1.3;
}

.document-body h2 {
    font-size: 1.6rem;
    border-bottom: 1px solid var(--border-steel);
    padding-bottom: 0.4rem;
}

.document-body h3 {
    font-size: 1.25rem;
}

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

.document-body li {
    margin-bottom: 0.5rem;
}

.document-body hr {
    border: 0;
    height: 1px;
    background-color: var(--border-steel);
    margin: 2.5rem 0;
}

.document-body a {
    color: var(--accent-teal);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    transition: var(--transition-editorial);
}

.document-body a:hover {
    color: var(--accent-brass);
}

/* Strategic Table within document body */
.document-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9rem;
    background-color: var(--bg-white);
}

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

.document-body th {
    background-color: var(--bg-stone);
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-ink);
}

.document-body tr:nth-child(even) td {
    background-color: var(--bg-stone);
}

.document-body blockquote {
    border-left: 3px solid var(--accent-brass);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-style: italic;
    color: var(--text-ink);
    line-height: 1.6;
}

/* Advisory Action Callout */
.advisory-action-callout {
    background-color: var(--bg-white);
    border: 1px solid var(--border-steel);
    border-left: 4px solid var(--accent-teal);
    padding: 1.75rem;
    margin-top: 3.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.callout-icon {
    font-size: 1.5rem;
    color: var(--accent-teal);
    line-height: 1;
}

.callout-content h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-ink);
    margin-bottom: 0.5rem;
    margin-top: 0;
}

.callout-content p {
    font-size: 0.925rem;
    color: var(--text-slate);
    line-height: 1.5;
    margin-bottom: 0;
}

.callout-content a {
    color: var(--accent-teal);
    text-decoration: underline;
    font-weight: 600;
}

/* --- Section Container (About & Contact Specific Styles) --- */
.editorial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.office-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.office-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-steel);
    padding: 1.5rem;
}

.office-title {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-ink);
    margin-bottom: 0.5rem;
}

.office-details {
    font-size: 0.9rem;
    color: var(--text-slate);
    line-height: 1.5;
}

/* --- Footer Area --- */
.site-footer {
    background-color: var(--text-ink);
    color: #ffffff;
    border-top: 4px solid var(--accent-brass);
    padding: 4rem 0 2rem 0;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem 3rem 1.5rem;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 4rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    font-weight: 700;
    color: #ffffff;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.footer-tagline {
    color: #a0aec0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-section-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-brass);
    margin-bottom: 1.25rem;
    font-weight: 700;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-editorial);
}

.footer-links a:hover {
    color: #ffffff;
    padding-left: 2px;
}

.footer-editorial-info {
    color: #a0aec0;
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid #2d3748;
    padding-top: 2rem;
}

.footer-bottom-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2rem;
    font-size: 0.75rem;
    color: #718096;
}

.footer-bottom-container p {
    line-height: 1.5;
}

.footer-bottom-disclaimer {
    max-width: 550px;
    text-align: right;
}

/* --- Responsive Adjustments --- */
@media (max-width: 900px) {
    .briefing-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .feature-briefing {
        border-right: none;
        padding-right: 0;
    }
    
    .briefings-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .footer-bottom-disclaimer {
        text-align: left;
    }
    
    .office-card-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .logo-title {
        font-size: 2rem;
    }
    
    .nav-list {
        gap: 1.5rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .feature-title {
        font-size: 1.8rem;
    }
    
    .document-title {
        font-size: 1.9rem;
    }
    
    .briefing-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
    }
}