/* ==========================================================================
   Scoop24x7 - Premium Finance & Business News
   A sophisticated, editorial design inspired by Bloomberg, FT, WSJ
   ========================================================================== */

/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Playfair+Display:wght@500;600;700&family=JetBrains+Mono:wght@500&display=swap');

/* ==========================================================================
   Design Tokens
   ========================================================================== */

:root {
    /* Brand Colors */
    --brand-primary: #0066FF;
    --brand-primary-light: #3385FF;
    --brand-primary-dark: #0052CC;
    --brand-accent: #FF6B00;

    /* Semantic Colors */
    --color-positive: #00A67E;
    --color-positive-bg: rgba(0, 166, 126, 0.1);
    --color-negative: #E5484D;
    --color-negative-bg: rgba(229, 72, 77, 0.1);

    /* Neutral Palette - Warm Gray */
    --gray-50: #FAFAF9;
    --gray-100: #F5F5F4;
    --gray-200: #E7E5E4;
    --gray-300: #D6D3D1;
    --gray-400: #A8A29E;
    --gray-500: #78716C;
    --gray-600: #57534E;
    --gray-700: #44403C;
    --gray-800: #292524;
    --gray-900: #1C1917;
    --gray-950: #0C0A09;

    /* Background Colors */
    --bg-body: var(--gray-50);
    --bg-surface: #FFFFFF;
    --bg-surface-elevated: #FFFFFF;
    --bg-muted: var(--gray-100);
    --bg-ticker: var(--gray-900);

    /* Text Colors */
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-600);
    --text-muted: var(--gray-500);
    --text-inverse: #FFFFFF;

    /* Border Colors */
    --border-default: var(--gray-200);
    --border-muted: var(--gray-100);
    --border-emphasis: var(--gray-300);

    /* Shadows - Subtle & Refined */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06), 0 4px 8px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.08), 0 8px 16px rgba(0, 0, 0, 0.04);
    --shadow-glow: 0 0 0 3px rgba(0, 102, 255, 0.15);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;

    /* Font Sizes - Modular Scale */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;

    /* Line Heights */
    --leading-tight: 1.2;
    --leading-snug: 1.35;
    --leading-normal: 1.5;
    --leading-relaxed: 1.625;

    /* Spacing Scale */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;

    /* Layout */
    --container-max: 1320px;
    --container-narrow: 900px;
    --container-padding: 1.5rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 150ms;
    --duration-base: 200ms;
    --duration-slow: 300ms;
}

/* ==========================================================================
   Dark Theme
   ========================================================================== */

[data-theme="dark"] {
    --bg-body: var(--gray-950);
    --bg-surface: var(--gray-900);
    --bg-surface-elevated: var(--gray-800);
    --bg-muted: var(--gray-800);
    --bg-ticker: #000000;

    --text-primary: var(--gray-50);
    --text-secondary: var(--gray-400);
    --text-muted: var(--gray-500);

    --border-default: var(--gray-800);
    --border-muted: var(--gray-800);
    --border-emphasis: var(--gray-700);

    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25), 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.3), 0 4px 8px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.35), 0 8px 16px rgba(0, 0, 0, 0.2);

    --brand-primary: #3385FF;
    --brand-primary-light: #66A3FF;
}

/* ==========================================================================
   CSS Reset & Base
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
}

* {
    margin: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-body);
    transition: background-color var(--duration-base) var(--ease-out),
                color var(--duration-base) var(--ease-out);
}

img, picture, video, canvas, svg {
    display: block;
    max-width: 100%;
}

input, button, textarea, select {
    font: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
    overflow-wrap: break-word;
}

a {
    color: inherit;
    text-decoration: none;
}

ul, ol {
    list-style: none;
    padding: 0;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    padding: 0;
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: var(--leading-tight);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.text-sans {
    font-family: var(--font-sans);
    letter-spacing: 0;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ==========================================================================
   Header
   ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-default);
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.92);
    transition: all var(--duration-base) var(--ease-out);
}

[data-theme="dark"] .site-header {
    background: rgba(28, 25, 23, 0.92);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: var(--space-8);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    text-decoration: none;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
    color: white;
    border-radius: var(--radius-md);
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: var(--text-xl);
    box-shadow: var(--shadow-sm);
}

.logo-text {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: var(--text-xl);
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--brand-primary);
}

.logo-img {
    height: 40px;
    width: auto;
    display: block;
}

/* Navigation */
.main-nav ul {
    display: flex;
    gap: var(--space-1);
}

.main-nav a {
    display: block;
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 20px;
    height: 2px;
    background: var(--brand-primary);
    border-radius: var(--radius-full);
    transition: transform var(--duration-base) var(--ease-out);
}

.main-nav a:hover {
    color: var(--text-primary);
    background: var(--bg-muted);
}

.main-nav a.active {
    color: var(--brand-primary);
}

.main-nav a.active::after {
    transform: translateX(-50%) scaleX(1);
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.theme-toggle,
.rss-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--text-muted);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
}

.theme-toggle:hover,
.rss-link:hover {
    color: var(--text-primary);
    background: var(--bg-muted);
}

.rss-link:hover {
    color: var(--brand-accent);
}

.theme-toggle .icon-moon {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
    display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 10px;
}

.mobile-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--duration-fast) var(--ease-out);
}

/* ==========================================================================
   Ticker Bar - Premium Financial Look
   ========================================================================== */

.ticker-bar {
    background: var(--bg-ticker);
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    min-height: 72px;
}

.ticker-bar .tradingview-widget-container {
    height: 72px;
    min-height: 72px;
}

.ticker-bar .tradingview-widget-container iframe {
    height: 72px !important;
}

.ticker-content {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.ticker-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
    padding-right: var(--space-4);
    border-right: 1px solid var(--gray-700);
}

.ticker-items {
    display: flex;
    gap: var(--space-8);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    mask-image: linear-gradient(90deg, transparent 0%, black 2%, black 98%, transparent 100%);
}

.ticker-items::-webkit-scrollbar {
    display: none;
}

.ticker-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    white-space: nowrap;
    color: var(--text-inverse);
}

.ticker-item::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--gray-600);
}

.ticker-item.positive {
    color: var(--color-positive);
}

.ticker-item.positive::before {
    background: var(--color-positive);
    box-shadow: 0 0 8px var(--color-positive);
}

.ticker-item.negative {
    color: var(--color-negative);
}

.ticker-item.negative::before {
    background: var(--color-negative);
    box-shadow: 0 0 8px var(--color-negative);
}

/* ==========================================================================
   Hero Section - Editorial Style
   ========================================================================== */

.hero {
    padding: var(--space-12) 0;
    background: var(--bg-surface);
}

.featured-article {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-12);
    align-items: center;
}

.featured-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--bg-muted);
    box-shadow: var(--shadow-xl);
}

.featured-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
        transparent 0%,
        transparent 50%,
        rgba(0, 0, 0, 0.4) 100%
    );
    pointer-events: none;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out);
}

.featured-article:hover .featured-image img {
    transform: scale(1.03);
}

.category-badge {
    position: absolute;
    top: var(--space-5);
    left: var(--space-5);
    z-index: 1;
    padding: var(--space-2) var(--space-4);
    background: var(--brand-primary);
    color: white;
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
}

.featured-content {
    padding: var(--space-4) 0;
}

.featured-content h1 {
    font-size: var(--text-4xl);
    line-height: var(--leading-snug);
    margin-bottom: var(--space-5);
}

.featured-content h1 a {
    color: inherit;
    transition: color var(--duration-fast) var(--ease-out);
    background: linear-gradient(var(--text-primary), var(--text-primary)) no-repeat 0 100%;
    background-size: 0% 2px;
    transition: background-size var(--duration-slow) var(--ease-out);
}

.featured-content h1 a:hover {
    background-size: 100% 2px;
}

.article-excerpt {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-6);
}

.article-meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-muted);
}

.article-meta time {
    font-weight: 500;
}

.article-meta .read-time {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.article-meta .read-time::before {
    content: '';
    width: 4px;
    height: 4px;
    background: var(--text-muted);
    border-radius: var(--radius-full);
}

/* ==========================================================================
   News Section
   ========================================================================== */

.news-section {
    padding: var(--space-16) 0;
    background: var(--bg-body);
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--space-8);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-default);
}

.section-header h2 {
    font-family: var(--font-sans);
    font-size: var(--text-2xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    position: relative;
    padding-left: var(--space-4);
}

.section-header h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 24px;
    background: var(--brand-primary);
    border-radius: var(--radius-full);
}

.view-all {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--brand-primary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    transition: gap var(--duration-fast) var(--ease-out);
}

.view-all:hover {
    gap: var(--space-3);
}

.view-all::after {
    content: '\2192';
}

/* News Grid */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
}

.news-card {
    background: var(--bg-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-muted);
    transition: all var(--duration-base) var(--ease-out);
}

.news-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--border-emphasis);
}

.card-image {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--bg-muted);
    overflow: hidden;
}

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

.news-card:hover .card-image img {
    transform: scale(1.08);
}

.card-image .category-badge {
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    font-size: 0.65rem;
}

.card-content {
    padding: var(--space-5);
}

.card-content h3 {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: 600;
    line-height: var(--leading-snug);
    margin-bottom: var(--space-3);
    letter-spacing: -0.01em;
}

.card-content h3 a {
    color: inherit;
    transition: color var(--duration-fast) var(--ease-out);
}

.card-content h3 a:hover {
    color: var(--brand-primary);
}

.card-content p {
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-content .article-meta {
    font-size: var(--text-xs);
    color: var(--text-muted);
}

/* ==========================================================================
   Market Overview - Dashboard Style
   ========================================================================== */

.market-overview {
    padding: var(--space-16) 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border-default);
    border-bottom: 1px solid var(--border-default);
}

.market-overview .section-header {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: var(--space-6);
}

.market-overview .tradingview-widget-container {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-default);
}

.update-time {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.update-time::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--color-positive);
    border-radius: var(--radius-full);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.market-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.market-card {
    background: var(--bg-body);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--duration-fast) var(--ease-out);
    position: relative;
    overflow: hidden;
}

.market-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gray-300);
    transition: background var(--duration-fast) var(--ease-out);
}

.market-card:hover {
    border-color: var(--border-emphasis);
    box-shadow: var(--shadow-md);
}

.market-card h4 {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-2);
    letter-spacing: 0;
}

.market-card .price {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    letter-spacing: -0.02em;
}

.market-card .change {
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 500;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    display: inline-block;
}

.market-card .change.positive {
    color: var(--color-positive);
    background: var(--color-positive-bg);
}

.market-card:has(.change.positive)::before {
    background: var(--color-positive);
}

.market-card .change.negative {
    color: var(--color-negative);
    background: var(--color-negative-bg);
}

.market-card:has(.change.negative)::before {
    background: var(--color-negative);
}

/* ==========================================================================
   Categories Section
   ========================================================================== */

.categories-section {
    padding: var(--space-16) 0;
    background: var(--bg-body);
}

.categories-section .section-header {
    justify-content: center;
    text-align: center;
    border-bottom: none;
}

.categories-section .section-header h2 {
    padding-left: 0;
}

.categories-section .section-header h2::before {
    display: none;
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-4);
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-6) var(--space-4);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    transition: all var(--duration-base) var(--ease-out);
}

.category-card:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: translateY(-6px);
}

.category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--bg-muted) 0%, var(--bg-body) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    color: var(--brand-primary);
    transition: all var(--duration-base) var(--ease-out);
}

.category-card:hover .category-icon {
    background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-primary-dark) 100%);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

.category-card h3 {
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
    letter-spacing: 0;
}

.category-card p {
    font-size: var(--text-xs);
    color: var(--text-muted);
    line-height: var(--leading-normal);
}

/* ==========================================================================
   Footer - Clean & Professional
   ========================================================================== */

.site-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border-default);
    padding: var(--space-16) 0 var(--space-8);
    margin-top: var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2.5fr;
    gap: var(--space-16);
    margin-bottom: var(--space-12);
}

.footer-brand .logo {
    margin-bottom: var(--space-5);
}

.footer-brand > p {
    color: var(--text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
    max-width: 300px;
}

.social-links {
    display: flex;
    gap: var(--space-3);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-muted);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
}

.social-links a:hover {
    background: var(--brand-primary);
    color: white;
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-8);
}

.footer-column h4 {
    font-family: var(--font-sans);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer-column a {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: color var(--duration-fast) var(--ease-out);
}

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

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-default);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.footer-bottom .disclaimer {
    font-size: var(--text-xs);
    color: var(--text-muted);
    max-width: 600px;
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */

@media (max-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    :root {
        --container-padding: 1.25rem;
    }

    .featured-article {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .featured-content h1 {
        font-size: var(--text-3xl);
    }

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

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

    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1rem;
    }

    .main-nav {
        display: none;
    }

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

    .header-content {
        height: 64px;
    }

    .hero {
        padding: var(--space-8) 0;
    }

    .featured-content h1 {
        font-size: var(--text-2xl);
    }

    .article-excerpt {
        font-size: var(--text-base);
    }

    .news-section,
    .market-overview,
    .categories-section {
        padding: var(--space-10) 0;
    }

    .news-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-3);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-10);
    }

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

@media (max-width: 480px) {
    .ticker-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-3);
    }

    .ticker-label {
        border-right: none;
        padding-right: 0;
    }

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

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

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

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.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;
}

/* Focus States for Accessibility */
:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

/* Selection Styling */
::selection {
    background: var(--brand-primary);
    color: white;
}