/* =====================================================================
   Evening Watch Design System
   Clean, minimalist design inspired by OpenAI and QuantFrame
   ===================================================================== */

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

:root {
    --white: #ffffff;
    --off-white: #fafafa;
    --gray-50: #f5f5f5;
    --gray-100: #e5e5e5;
    --gray-200: #d4d4d4;
    --gray-400: #a3a3a3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --black: #000000;

    --accent: #10a37f;
    --accent-light: rgba(16, 163, 127, 0.1);
    --accent-hover: #0d8c6f;

    --font-serif: 'Newsreader', Georgia, serif;
    --font-sans: 'IBM Plex Sans', -apple-system, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

/* Dark Mode Theme */
body[data-theme="dark"] {
    --white: #0a0a0a;
    --off-white: #111111;
    --gray-50: #1a1a1a;
    --gray-100: #262626;
    --gray-200: #333333;
    --gray-400: #666666;
    --gray-500: #999999;
    --gray-600: #b3b3b3;
    --gray-700: #cccccc;
    --gray-800: #e0e0e0;
    --gray-900: #f5f5f5;
    --black: #ffffff;

    --accent: #14d9a5;
    --accent-light: rgba(20, 217, 165, 0.15);
    --accent-hover: #11c794;
}

body[data-theme="dark"] {
    background: #0a0a0a;
    color: #f5f5f5;
}

/* Legacy Mode Theme - Twilight Infinity Pool */
body[data-theme="legacy"] {
    --white: rgba(26, 35, 50, 0.95);
    --off-white: rgba(35, 45, 65, 0.9);
    --gray-50: rgba(45, 62, 95, 0.6);
    --gray-100: rgba(55, 75, 115, 0.7);
    --gray-200: rgba(75, 90, 135, 0.8);
    --gray-400: rgba(140, 150, 180, 0.9);
    --gray-500: rgba(160, 170, 200, 1);
    --gray-600: rgba(180, 190, 220, 1);
    --gray-700: rgba(200, 210, 235, 1);
    --gray-800: rgba(220, 225, 240, 1);
    --gray-900: rgba(240, 245, 255, 1);
    --black: #e8f0ff;

    --accent: #a78bfa;
    --accent-light: rgba(167, 139, 250, 0.2);
    --accent-hover: #9575f5;
}

body[data-theme="legacy"] {
    background: #1a2332;
    background-size: cover;
    color: #e8f0ff;
}

body[data-theme="legacy"]::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 35, 50, 0.85) 0%, rgba(45, 55, 85, 0.75) 50%, rgba(75, 65, 95, 0.85) 100%);
    z-index: -1;
    pointer-events: none;
}

body[data-theme="legacy"] nav {
    background: rgba(26, 35, 50, 0.85);
    backdrop-filter: blur(10px);
    border-bottom-color: rgba(167, 139, 250, 0.3);
}



/* Dark Mode Navigation */
body[data-theme="dark"] nav {
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom-color: #262626;
}



/* Legacy Mode Cards & Elements */
body[data-theme="legacy"] .model-card,
body[data-theme="legacy"] .result-card,
body[data-theme="legacy"] .post-card {
    background: rgba(26, 35, 50, 0.7);
    backdrop-filter: blur(10px);
    border-color: rgba(167, 139, 250, 0.3);
}

/* Legacy Mode Equations Section */
body[data-theme="legacy"] .equations-section {
    background: rgba(26, 35, 50, 0.5);
    backdrop-filter: blur(20px);
}

body[data-theme="legacy"] .equation-card {
    background: rgba(26, 35, 50, 0.7);
    backdrop-filter: blur(10px);
    border-color: rgba(167, 139, 250, 0.3);
}

body[data-theme="legacy"] .equation-formula {
    color: #a78bfa;
}

body[data-theme="legacy"] .page-header {
    background: transparent;
    backdrop-filter: none;
}

/* Dark Mode Cards & Elements */
body[data-theme="dark"] .model-card,
body[data-theme="dark"] .result-card,
body[data-theme="dark"] .post-card {
    background: #1a1a1a;
    border-color: #262626;
}

/* Dark Mode Equations Section - Keep it dark */
body[data-theme="dark"] .equations-section {
    background: #141414;
    color: #f5f5f5;
}

body[data-theme="dark"] .equation-card {
    background: #1a1a1a;
    border-color: rgba(255, 255, 255, 0.08);
}

body[data-theme="dark"] .equations-header .section-eyebrow {
    color: #999999;
}

body[data-theme="dark"] .equations-header .section-title {
    color: #f5f5f5;
}

body[data-theme="dark"] .equation-name {
    color: #999999;
}

body[data-theme="dark"] .equation-formula {
    color: #14d9a5;
}

body[data-theme="dark"] .equation-description {
    color: #b3b3b3;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--white);
    color: var(--gray-900);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* =====================================================================
   Navigation
   ===================================================================== */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-100);
}

.nav-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
    height: 60px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
}

.logo {
    justify-self: start;
}

.nav-links {
    justify-self: center;
    grid-column: 2;
}

/* New Theme Dropdown Styles */
.theme-switcher {
    justify-self: end;
    grid-column: 3;
    position: relative;
    background: transparent;
    padding: 0;
    border: none;
    border-radius: 0;
    display: block;
    /* Override flex */
}

.theme-toggle-btn {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
    position: relative;
    background-color: var(--gray-200);
    /* Default fallback */
}

/* Colors for the toggle button circle */
body[data-theme="light"] .theme-toggle-btn {
    background-color: #ffffff;
    border-color: #e5e7eb;
}

body[data-theme="dark"] .theme-toggle-btn {
    background-color: #1a1a1a;
    border-color: #404040;
}

body[data-theme="legacy"] .theme-toggle-btn {
    background-color: rgba(167, 139, 250, 1);
    border-color: rgba(139, 92, 246, 0.5);
    box-shadow: 0 0 10px rgba(139, 92, 246, 0.3);
}

.theme-toggle-btn:hover {
    transform: scale(1.1);
}

.theme-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: #ffffff;
    border-radius: 12px;
    padding: 4px;
    min-width: 120px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border: 1px solid #e5e7eb;
    display: none;
    flex-direction: column;
    gap: 2px;
    z-index: 50;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.2s, transform 0.2s;
}

.theme-menu.show {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.theme-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 13px;
    color: #4b5563;
    cursor: pointer;
    transition: all 0.15s;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
}

.theme-option:hover {
    background-color: #f3f4f6;
    color: #111827;
}

.theme-option.active {
    background-color: #eff6ff;
    color: #2563eb;
    font-weight: 500;
}

/* Dark mode menu overrides */
body[data-theme="dark"] .theme-menu,
body[data-theme="legacy"] .theme-menu {
    background: #1f2937;
    border-color: #374151;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
}

body[data-theme="dark"] .theme-option,
body[data-theme="legacy"] .theme-option {
    color: #9ca3af;
}

body[data-theme="dark"] .theme-option:hover,
body[data-theme="legacy"] .theme-option:hover {
    background-color: #374151;
    color: #f9fafb;
}

body[data-theme="dark"] .theme-option.active,
body[data-theme="legacy"] .theme-option.active {
    background-color: rgba(139, 92, 246, 0.1);
    color: #a78bfa;
}

/* Theme color dots in menu */
.theme-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.theme-dot.light {
    background-color: #e5e7eb;
    border: 1px solid #d1d5db;
}

.theme-dot.dark {
    background-color: #1a1a1a;
    border: 1px solid #404040;
}

.theme-dot.legacy {
    background-color: #a78bfa;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--black);
}

.logo-mark {
    width: 26px;
    height: 26px;
    background: var(--black);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-mark svg {
    width: 14px;
    height: 14px;
    color: var(--white);
}

.logo-text {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--black);
}

/* =====================================================================
   Hero Section
   ===================================================================== */
.hero {
    padding: 160px 40px 100px;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-eyebrow {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(42px, 6vw, 64px);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 28px;
}

.hero-subtitle {
    font-size: 19px;
    color: var(--gray-600);
    line-height: 1.7;
    max-width: 640px;
    margin: 0 auto;
}

/* =====================================================================
   Page Header (for internal pages)
   ===================================================================== */
.page-header {
    padding: 120px 40px 60px;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.page-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: 20px;
}

.page-title {
    font-family: var(--font-serif);
    font-size: clamp(36px, 5vw, 52px);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 20px;
}

.page-description {
    font-size: 17px;
    color: var(--gray-600);
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto;
}

/* =====================================================================
   Sections
   ===================================================================== */
.models-section {
    padding: 80px 40px 120px;
    background: var(--off-white);
}

.models-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-eyebrow {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 500;
    letter-spacing: -0.02em;
}

/* =====================================================================
   Model Card (Home Page)
   ===================================================================== */
.model-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 16px;
    margin-bottom: 32px;
    overflow: hidden;
}

.model-header {
    padding: 40px 48px;
    border-bottom: 1px solid var(--gray-100);
    display: flex;
    align-items: flex-start;
    gap: 24px;
}

.model-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    flex-shrink: 0;
}

.model-icon.reddit {
    background: transparent;
}

.model-icon.polymarket {
    background: transparent;
}

.model-icon.news {
    background: transparent;
}

.model-icon.calendar {
    background: transparent;
}

.model-icon.analysis {
    background: transparent;
}

.model-info {
    flex: 1;
}

.model-name {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}

.model-tagline {
    font-size: 16px;
    color: var(--gray-500);
}

/* Visualization Box (for bars/charts inside cards) */
.viz-box {
    background: var(--white);
    border-radius: 8px;
    padding: 14px;
    border: 1px solid var(--gray-200);
}

body[data-theme="legacy"] .viz-box {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

body[data-theme="dark"] .viz-box {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

.model-version {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    padding: 6px 12px;
    background: var(--gray-50);
    border-radius: 100px;
    color: var(--gray-600);
}

/* Methodology / Technical Dropdown */
.methodology-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    transition: all 0.2s ease;
    margin-top: 24px;
}

.methodology-toggle:hover {
    border-color: var(--gray-400);
    background: var(--gray-50);
}

.methodology-toggle.active {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.methodology-detail {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateY(-10px);
}

.methodology-detail.show {
    max-height: 2000px;
    /* Sufficiently large */
    opacity: 1;
    transform: translateY(0);
    margin-top: 16px;
    padding-bottom: 8px;
    /* Breathing room */
}

/* Algo/Formula Cards - Glassmorphism ready */
.algo-card {
    background: var(--off-white);
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: 24px;
    transition: all 0.2s ease;
}

.algo-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.algo-text {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

.algo-formula {
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--white);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--gray-200);
    color: var(--accent);
    margin: 12px 0;
    overflow-x: auto;
}

/* Theme Overrides for Dropdowns */
body[data-theme="legacy"] .methodology-toggle {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    backdrop-filter: blur(10px);
}

body[data-theme="legacy"] .methodology-toggle:hover,
body[data-theme="legacy"] .methodology-toggle.active {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

body[data-theme="legacy"] .algo-card {
    background: rgba(0, 0, 0, 0.25);
    border-color: rgba(255, 255, 255, 0.08);
}

body[data-theme="legacy"] .algo-title {
    color: var(--white);
}

body[data-theme="legacy"] .algo-text {
    color: var(--gray-200);
}

body[data-theme="legacy"] .algo-formula {
    background: rgba(0, 0, 0, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
    color: #cbd5e1;
}

/* Dark Mode Overrides */
body[data-theme="dark"] .methodology-toggle {
    background: var(--gray-50);
    border-color: var(--gray-100);
    color: var(--white);
}

body[data-theme="dark"] .methodology-toggle:hover {
    background: var(--gray-100);
    border-color: var(--gray-200);
}

body[data-theme="dark"] .algo-card {
    background: var(--gray-50);
    border-color: var(--gray-100);
}

body[data-theme="dark"] .algo-formula {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--accent);
}

.model-body {
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
}

.model-description h4,
.model-approach h4 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-500);
    margin-bottom: 16px;
}

.model-description p {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 24px;
}

.model-description p:last-of-type {
    margin-bottom: 0;
}

/* Approach List */
.approach-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.approach-item {
    display: flex;
    gap: 16px;
}

.approach-number {
    width: 28px;
    height: 28px;
    background: var(--black);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: var(--white);
    flex-shrink: 0;
}

.approach-content h5 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.approach-content p {
    font-size: 14px;
    color: var(--gray-500);
    line-height: 1.6;
}

/* Technical Details */
.model-technical {
    padding: 32px 48px;
    background: var(--gray-50);
    border-top: 1px solid var(--gray-100);
}

.technical-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
}

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

.technical-value {
    font-family: var(--font-mono);
    font-size: 24px;
    font-weight: 500;
    color: var(--black);
    margin-bottom: 4px;
}

.technical-label {
    font-size: 12px;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* =====================================================================
   Content Cards (for feed items on internal pages)
   ===================================================================== */
.content-container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px;
}

.feed-card {
    background: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 12px;
    padding: 24px;
    margin-bottom: 16px;
    transition: all 0.2s ease;
}

.feed-card:hover {
    border-color: var(--gray-200);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.4;
}

.card-meta {
    font-size: 13px;
    color: var(--gray-500);
    display: flex;
    gap: 12px;
    align-items: center;
}

.card-body {
    font-size: 15px;
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 12px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--gray-100);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    font-family: var(--font-mono);
}

.badge.positive {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
}

.badge.negative {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
}

.badge.neutral {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* =====================================================================
   Filters & Controls
   ===================================================================== */
.controls-bar {
    max-width: 1100px;
    margin: 0 auto 32px;
    padding: 0 40px;
    display: flex;
    justify-content: center;
    gap: 8px;
}

.filter-btn,
.control-btn {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.filter-btn:hover,
.control-btn:hover {
    border-color: var(--gray-300);
    background: var(--gray-50);
    color: var(--gray-900);
}

.filter-btn.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

/* =====================================================================
   Philosophy Section
   ===================================================================== */
.philosophy-section {
    padding: 120px 40px;
}

.philosophy-inner {
    max-width: 800px;
    margin: 0 auto;
}

.philosophy-header {
    text-align: center;
    margin-bottom: 64px;
}

.philosophy-content {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.philosophy-block {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 40px;
}

.philosophy-label {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-500);
    padding-top: 4px;
}

.philosophy-text {
    font-family: var(--font-serif);
    font-size: 20px;
    line-height: 1.8;
    color: var(--gray-800);
}

.philosophy-text em {
    color: var(--accent);
    font-style: italic;
}

/* =====================================================================
   Equations Section
   ===================================================================== */
.equations-section {
    padding: 100px 40px;
    background: var(--gray-900);
    color: var(--white);
}

.equations-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.equations-header {
    text-align: center;
    margin-bottom: 80px;
}

.equations-header .section-eyebrow {
    color: var(--gray-400);
}

.equations-header .section-title {
    color: var(--white);
}

.equations-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.equation-card {
    background: var(--gray-800);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 36px;
}

.equation-name {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    margin-bottom: 20px;
}

.equation-formula {
    font-family: var(--font-mono);
    font-size: 18px;
    color: var(--accent);
    margin-bottom: 20px;
    padding: 20px;
    background: rgba(16, 163, 127, 0.08);
    border-radius: 10px;
    text-align: center;
    letter-spacing: 0.02em;
}

.equation-description {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
}

/* =====================================================================
   CTA Section
   ===================================================================== */
.cta-section {
    padding: 120px 40px;
    text-align: center;
    background: #f8f8f8;
}

body[data-theme="legacy"] .cta-section {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

body[data-theme="dark"] .cta-section {
    background: #080808;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.cta-inner {
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-serif);
    font-size: clamp(32px, 4vw, 44px);
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.cta-description {
    font-size: 17px;
    color: var(--gray-500);
    margin-bottom: 40px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    background: var(--black);
    color: var(--white);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.cta-button:hover {
    background: var(--gray-800);
    transform: translateY(-2px);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    color: var(--gray-900);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.2s ease;
}

.social-link:hover {
    border-color: var(--gray-300);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link.instagram:hover {
    background: linear-gradient(135deg, #f58529, #dd2a7b, #8134af, #515bd4);
    color: white;
    border-color: transparent;
}

.social-link.linkedin:hover {
    background: #0077b5;
    color: white;
    border-color: transparent;
}

.social-link.email:hover {
    background: var(--black);
    color: white;
    border-color: transparent;
}

.social-link.instagram:hover svg,
.social-link.linkedin:hover svg,
.social-link.email:hover svg {
    color: white;
}

/* =====================================================================
   Footer
   ===================================================================== */
footer {
    padding: 40px;
    border-top: 1px solid var(--gray-100);
}

.footer-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-text {
    font-size: 13px;
    color: var(--gray-500);
}

/* =====================================================================
   Utility Classes
   ===================================================================== */
.loading-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.update-indicator {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.timestamp {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--gray-500);
}

/* =====================================================================
   Responsive Design
   ===================================================================== */
@media (max-width: 900px) {
    .model-body {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .philosophy-block {
        grid-template-columns: 1fr;
        gap: 12px;
    }

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

@media (max-width: 600px) {
    .nav-links {
        display: none;
    }

    .hero {
        padding: 120px 24px 60px;
    }

    .page-header {
        padding: 100px 24px 40px;
    }

    .model-header {
        padding: 28px;
        flex-direction: column;
    }

    .model-body {
        padding: 28px;
    }

    .model-technical {
        padding: 24px 28px;
    }

    .technical-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .content-container {
        padding: 24px;
    }

    .controls-bar {
        padding: 0 24px;
        flex-wrap: wrap;
    }

}

/* Dark Mode High Contrast Overrides */
body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
    color: #ffffff !important;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

body.dark-mode .card,
body.dark-mode .news-item,
body.dark-mode .stock-card {
    border: 1px solid rgba(255, 255, 255, 0.1);
}

body.dark-mode .text-muted {
    color: #a0a0a0 !important;
}