/* DESIGN TOKENS & CSS VARIABLES */
:root {
    /* COLORS - Light Editorial Palette */
    --color-bg-primary: #faf8f5;
    --color-bg-secondary: #f3f1ed;
    --color-bg-tertiary: #ebe8e2;
    --color-bg-accent: #f9f7f3;
    
    --color-text-primary: #2a2520;
    --color-text-secondary: #5a5550;
    --color-text-tertiary: #8a8580;
    
    --color-accent-primary: #1a3a52;
    --color-accent-secondary: #6b8e9f;
    --color-accent-tertiary: #a8b8c8;
    
    --color-accent-warm: #d4a574;
    --color-accent-sage: #7a9b8e;
    
    --color-border: #e8e5df;
    --color-border-light: #f0ede7;
    
    /* SPACING */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    
    /* TYPOGRAPHY */
    --font-serif: 'Cormorant Garamond', 'Playfair Display', serif;
    --font-sans: 'Inter', 'Manrope', sans-serif;
    --font-mono: 'IBM Plex Mono', 'JetBrains Mono', monospace;
    
    /* SIZING */
    --radius-sm: 2px;
    --radius-md: 4px;
    --radius-lg: 8px;
    
    /* TRANSITIONS */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* GOOGLE FONTS IMPORT */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

/* RESET & BASE */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* TYPOGRAPHY */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

h1 { font-size: 4rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.3rem; }

p {
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color var(--transition-normal);
}

a:hover {
    color: var(--color-accent-secondary);
}

/* HEADER & NAVIGATION */
.header {
    background-color: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-md) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.05em;
}

.tagline {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.nav-desktop {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    font-weight: 500;
    position: relative;
    padding-bottom: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent-primary);
    transition: width var(--transition-normal);
}

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

.nav-link.active::after {
    width: 100%;
}

.header-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.meta-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-normal);
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}

/* HERO SECTION */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background-color: var(--color-bg-secondary);
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.4;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-metadata {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.meta-chip {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    letter-spacing: 0.08em;
}

.meta-divider {
    color: var(--color-border);
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.hero-intro {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-meta-line {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.meta-item {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    letter-spacing: 0.08em;
}

.meta-separator {
    color: var(--color-border);
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.scroll-indicator span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    letter-spacing: 0.08em;
}

.scroll-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-accent-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* SECTION DIVIDER */
.section-divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--color-border), transparent);
    margin: var(--spacing-3xl) var(--spacing-lg);
}

/* FEATURED REPORT */
.featured-report {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--color-bg-primary);
}

.featured-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.featured-image {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    transition: transform var(--transition-slow);
}

.featured-image:hover img {
    transform: scale(1.02);
}

.featured-label {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--spacing-md);
}

.featured-title {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
}

.featured-excerpt {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.featured-link {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-primary);
    font-weight: 600;
    display: inline-block;
    padding-bottom: 3px;
    border-bottom: 1px solid var(--color-accent-primary);
    transition: all var(--transition-normal);
}

.featured-link:hover {
    padding-left: 4px;
    padding-right: 4px;
    color: var(--color-accent-secondary);
    border-bottom-color: var(--color-accent-secondary);
}

/* ANALYSIS GRID */
.analysis-grid {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--color-bg-tertiary);
}

.section-header {
    max-width: 1400px;
    margin: 0 auto var(--spacing-3xl);
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.05rem;
    max-width: 600px;
}

.grid-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.analysis-card {
    background-color: var(--color-bg-primary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.analysis-card:hover {
    border-color: var(--color-accent-primary);
    box-shadow: 0 8px 24px rgba(26, 58, 82, 0.08);
}

.card-image {
    overflow: hidden;
    aspect-ratio: 4/3;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.analysis-card:hover .card-image img {
    transform: scale(1.03);
}

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

.card-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    letter-spacing: 0.08em;
}

.card-title {
    font-size: 1.3rem;
    margin: var(--spacing-md) 0;
    color: var(--color-text-primary);
}

.card-excerpt {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

.card-link {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent-primary);
    font-weight: 600;
    display: inline-block;
    padding-bottom: 2px;
    border-bottom: 1px solid var(--color-accent-primary);
    transition: all var(--transition-normal);
}

.card-link:hover {
    padding-left: 3px;
    padding-right: 3px;
    color: var(--color-accent-secondary);
    border-bottom-color: var(--color-accent-secondary);
}

/* SYSTEMS IN FOCUS */
.systems-focus {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--color-bg-primary);
}

.focus-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
}

.focus-card {
    padding: var(--spacing-xl);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: var(--color-bg-secondary);
    transition: all var(--transition-normal);
}

.focus-card:hover {
    border-color: var(--color-accent-sage);
    background-color: var(--color-bg-accent);
}

.focus-icon {
    font-size: 1.8rem;
    color: var(--color-accent-sage);
    margin-bottom: var(--spacing-md);
    display: block;
}

.focus-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-md);
}

.focus-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* VISUAL STRIP */
.visual-strip {
    padding: 0;
    background-color: var(--color-bg-tertiary);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.visual-strip img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 400px;
}

.visual-strip-caption {
    padding: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.visual-strip-caption h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.visual-strip-caption p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* EDITOR'S NOTE */
.editors-note {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--color-bg-secondary);
}

.editors-container {
    max-width: 900px;
    margin: 0 auto;
}

.note-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: var(--spacing-md);
}

.editors-container h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.editors-container p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

/* RECENT PUBLICATIONS */
.recent-publications {
    padding: var(--spacing-3xl) var(--spacing-lg);
    background-color: var(--color-bg-primary);
}

.publications-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.pub-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-lg);
}

.pub-item:last-child {
    border-bottom: none;
}

.pub-date {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--color-text-tertiary);
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.pub-item a {
    color: var(--color-accent-primary);
    font-size: 1rem;
    font-weight: 500;
    transition: color var(--transition-normal);
}

.pub-item a:hover {
    color: var(--color-accent-secondary);
}

/* FOOTER */
.footer {
    background-color: var(--color-bg-tertiary);
    padding: var(--spacing-3xl) var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-branding h3 {
    display: none;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.footer-description {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-column h4 {
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--spacing-md);
    font-family: var(--font-mono);
}

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

.footer-column li {
    margin-bottom: var(--spacing-sm);
}

.footer-column a {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-normal);
}

.footer-column a:hover {
    color: var(--color-accent-primary);
}

.footer-divider {
    height: 1px;
    background-color: var(--color-border-light);
    margin-bottom: var(--spacing-lg);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    margin: 0;
}

.footer-meta {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

/* RESPONSIVE DESIGN */
@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-mobile.active {
        display: flex;
    }

    h1 { font-size: 2rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.4rem; }

    .hero {
        min-height: 70vh;
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .hero-title {
        font-size: 2rem;
    }

    .featured-container {
        grid-template-columns: 1fr;
    }

    .visual-strip {
        grid-template-columns: 1fr;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-nav {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .header-container {
        padding: 0 var(--spacing-md);
    }

    .section-divider {
        margin: var(--spacing-2xl) var(--spacing-md);
    }
}