/* ============================================
MemoryGraph - Retro Terminal Theme
============================================ */
/* CSS Variables - Terminal Green Palette */
:root {
--bg-primary: #0a0a0a;
--bg-secondary: #0f0f0f;
--bg-tertiary: #141414;
--bg-card: #0d0d0d;
--green-primary: #00FF00;
--green-secondary: #00CC00;
--green-dim: #009900;
--green-glow: rgba(0, 255, 0, 0.4);
--amber: #FFB000;
--cyan: #00FFFF;
--magenta: #FF00FF;
--yellow: #FFFF00;
--red: #FF4444;
--text-primary: #CCCCCC;
--text-secondary: #888888;
--text-dim: #555555;
--border-color: #2a2a2a;
--border-glow: rgba(0, 255, 0, 0.2);
--font-display: 'VT323', monospace;
--font-mono: 'JetBrains Mono', 'Fira Code', monospace;
--radius: 4px;
--glow-sm: 0 0 5px var(--green-glow);
--glow-md: 0 0 10px var(--green-glow), 0 0 20px rgba(0, 255, 0, 0.2);
--glow-lg: 0 0 10px var(--green-glow), 0 0 20px var(--green-glow), 0 0 30px rgba(0, 255, 0, 0.1);
}
/* Reset & Base */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
html {
scroll-behavior: smooth;
}
body {
font-family: var(--font-mono);
background: var(--bg-primary);
color: var(--text-primary);
line-height: 1.6;
font-size: 16px;
overflow-x: hidden;
}
/* Scanlines Overlay */
.scanlines {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
pointer-events: none;
z-index: 1000;
background: repeating-linear-gradient(
0deg,
rgba(0, 0, 0, 0.1),
rgba(0, 0, 0, 0.1) 1px,
transparent 1px,
transparent 2px
);
}
/* Container */
.container {
max-width: 1100px;
margin: 0 auto;
padding: 0 24px;
}
/* Typography */
h1, h2, h3, h4 {
font-family: var(--font-display);
font-weight: 400;
line-height: 1.2;
color: var(--green-primary);
text-shadow: var(--glow-sm);
}
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
.section-title {
font-size: 1.8rem;
margin-bottom: 2rem;
text-align: center;
letter-spacing: 2px;
}
.section-subtitle {
text-align: center;
color: var(--text-secondary);
margin-bottom: 2rem;
}
/* Blinking Cursor */
.cursor {
animation: blink 1s step-end infinite;
}
@keyframes blink {
0%, 100% { opacity: 1; }
50% { opacity: 0; }
}
/* Buttons */
.btn {
display: inline-block;
padding: 12px 24px;
font-family: var(--font-display);
font-size: 1.2rem;
text-decoration: none;
border: 2px solid var(--green-primary);
border-radius: var(--radius);
transition: all 0.2s ease;
cursor: pointer;
text-transform: uppercase;
letter-spacing: 1px;
}
.btn-primary {
background: var(--green-primary);
color: var(--bg-primary);
}
.btn-primary:hover {
background: var(--green-secondary);
border-color: var(--green-secondary);
}
.btn-secondary {
background: transparent;
color: var(--green-primary);
}
.btn-secondary:hover {
background: rgba(0, 255, 0, 0.1);
}
.btn.glow {
box-shadow: var(--glow-md);
}
.btn.glow:hover {
box-shadow: var(--glow-lg);
}
/* Navigation */
.navbar {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 100;
background: rgba(10, 10, 10, 0.95);
border-bottom: 1px solid var(--border-color);
backdrop-filter: blur(10px);
}
.navbar .container {
display: flex;
align-items: center;
justify-content: space-between;
height: 60px;
}
.logo {
text-decoration: none;
}
.logo-text {
font-family: var(--font-display);
font-size: 1.5rem;
color: var(--green-primary);
text-shadow: var(--glow-sm);
}
.nav-links {
display: flex;
gap: 32px;
}
.nav-links a {
color: var(--text-secondary);
text-decoration: none;
font-size: 0.9rem;
transition: color 0.2s, text-shadow 0.2s;
}
.nav-links a:hover {
color: var(--green-primary);
text-shadow: var(--glow-sm);
}
/* Hero Section */
.hero {
padding: 120px 0 80px;
text-align: center;
background: radial-gradient(ellipse at center top, rgba(0, 255, 0, 0.05) 0%, transparent 50%);
}
.ascii-art {
margin-bottom: 24px;
overflow-x: auto;
}
.ascii-art pre {
font-family: var(--font-mono);
font-size: 0.65rem;
color: var(--green-dim);
line-height: 1.2;
display: inline-block;
text-align: left;
}
@media (max-width: 768px) {
.ascii-art pre {
font-size: 0.4rem;
}
}
.hero-tagline {
font-family: var(--font-display);
font-size: 2rem;
color: var(--green-primary);
text-shadow: var(--glow-md);
margin-bottom: 16px;
letter-spacing: 2px;
}
.hero-description {
font-size: 1.1rem;
color: var(--text-secondary);
margin-bottom: 32px;
max-width: 500px;
margin-left: auto;
margin-right: auto;
}
/* Terminal Window */
.terminal-window {
background: var(--bg-secondary);
border: 1px solid var(--border-color);
border-radius: var(--radius);
max-width: 600px;
margin: 0 auto 32px;
text-align: left;
box-shadow: var(--glow-sm);
}
.terminal-header {
display: flex;
align-items: center;
gap: 8px;
padding: 10px 16px;
background: var(--bg-tertiary);
border-bottom: 1px solid var(--border-color);
}
.terminal-dot {
width: 12px;
height: 12px;
border-radius: 50%;
background: var(--green-dim);
}
.terminal-dot:nth-child(1) { background: #FF5F56; }
.terminal-dot:nth-child(2) { background: #FFBD2E; }
.terminal-dot:nth-child(3) { background: #27C93F; }
.terminal-title {
margin-left: auto;
color: var(--text-dim);
font-size: 0.8rem;
}
.terminal-body {
padding: 20px;
font-size: 0.9rem;
}
.terminal-line {
margin-bottom: 8px;
display: flex;
align-items: flex-start;
gap: 8px;
}
.terminal-line .prompt {
color: var(--green-primary);
font-weight: bold;
}
.terminal-line .command {
color: var(--text-primary);
}
.terminal-line .comment {
color: var(--text-dim);
}
.terminal-line .output {
color: var(--green-secondary);
}
.terminal-line.success .output {
color: var(--green-primary);
text-shadow: var(--glow-sm);
}
.code-block {
background: var(--bg-primary);
padding: 16px;
border-radius: var(--radius);
margin: 8px 0;
color: var(--text-primary);
font-size: 0.85rem;
overflow-x: auto;
}
/* Hero Actions */
.hero-actions {
display: flex;
gap: 16px;
justify-content: center;
margin-bottom: 48px;
flex-wrap: wrap;
}
/* Hero Stats */
.hero-stats {
display: flex;
justify-content: center;
gap: 48px;
}
.stat {
text-align: center;
}
.stat-value {
display: block;
font-family: var(--font-display);
font-size: 2.5rem;
color: var(--cyan);
text-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}
.stat-label {
font-size: 0.85rem;
color: var(--text-secondary);
text-transform: uppercase;
letter-spacing: 1px;
}
/* Problem/Solution Section */
.problem-solution {
padding: 80px 0;
background: var(--bg-secondary);
}
.comparison-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 24px;
max-width: 900px;
margin: 0 auto;
}
@media (max-width: 768px) {
.comparison-grid {
grid-template-columns: 1fr;
}
}
.comparison-card {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius);
overflow: hidden;
}
.comparison-card.bad {
border-color: rgba(255, 68, 68, 0.3);
}
.comparison-card.good {
border-color: rgba(0, 255, 0, 0.3);
box-shadow: var(--glow-sm);
}
.card-header {
padding: 16px 20px;
font-family: var(--font-display);
font-size: 1.2rem;
display: flex;
align-items: center;
gap: 12px;
border-bottom: 1px solid var(--border-color);
}
.comparison-card.bad .card-header {
background: rgba(255, 68, 68, 0.1);
color: var(--red);
}
.comparison-card.good .card-header {
background: rgba(0, 255, 0, 0.1);
color: var(--green-primary);
}
.status-icon {
font-size: 1.4rem;
}
.card-body {
padding: 20px;
}
.session {
margin-bottom: 16px;
padding: 12px;
background: var(--bg-secondary);
border-radius: var(--radius);
}
.session:last-child {
margin-bottom: 0;
}
.session-label {
display: block;
color: var(--text-dim);
font-size: 0.8rem;
margin-bottom: 4px;
}
.session-text {
color: var(--text-primary);
}
.session-note {
color: var(--text-dim);
font-style: italic;
margin-left: 8px;
}
.success-text {
color: var(--green-primary);
}
.checkmark {
color: var(--green-primary);
margin-left: 8px;
}
/* Features Section */
.features {
padding: 80px 0;
}
.window {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius);
max-width: 800px;
margin: 0 auto;
}
.window-header {
display: flex;
align-items: center;
justify-content: space-between;
padding: 12px 20px;
background: var(--bg-tertiary);
border-bottom: 1px solid var(--border-color);
}
.window-title {
font-family: var(--font-display);
font-size: 1.1rem;
color: var(--green-primary);
letter-spacing: 2px;
}
.window-controls {
display: flex;
gap: 12px;
}
.window-btn {
color: var(--text-dim);
font-size: 1rem;
}
.window-body {
padding: 24px;
}
.feature {
display: flex;
gap: 16px;
margin-bottom: 24px;
padding-bottom: 24px;
border-bottom: 1px solid var(--border-color);
}
.feature:last-child {
margin-bottom: 0;
padding-bottom: 0;
border-bottom: none;
}
.feature-icon {
color: var(--green-primary);
font-size: 1.2rem;
flex-shrink: 0;
}
.feature-content h3 {
font-size: 1.2rem;
margin-bottom: 8px;
letter-spacing: 1px;
}
.feature-content p {
color: var(--text-secondary);
font-size: 0.95rem;
}
/* How It Works Section */
.how-it-works {
padding: 80px 0;
background: var(--bg-secondary);
}
.steps {
max-width: 700px;
margin: 0 auto;
}
.step {
margin-bottom: 48px;
}
.step:last-child {
margin-bottom: 0;
}
.step-header {
display: flex;
align-items: center;
gap: 16px;
margin-bottom: 16px;
}
.step-number {
font-family: var(--font-display);
font-size: 2rem;
color: var(--cyan);
text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}
.step-title {
font-family: var(--font-display);
font-size: 1.5rem;
color: var(--green-primary);
letter-spacing: 2px;
}
.step-content {
padding-left: 60px;
}
.step-input {
background: var(--bg-primary);
padding: 16px 20px;
border-radius: var(--radius);
border-left: 3px solid var(--green-dim);
margin-bottom: 12px;
color: var(--text-primary);
}
.step-input .prompt {
color: var(--green-primary);
margin-right: 8px;
}
.step-arrow {
text-align: center;
color: var(--green-dim);
font-size: 1.5rem;
margin: 8px 0;
}
.step-output {
color: var(--text-secondary);
line-height: 1.8;
}
.memory-node {
background: var(--bg-primary);
padding: 16px 20px;
border-radius: var(--radius);
border: 1px solid var(--border-color);
font-size: 0.9rem;
}
.memory-node div {
margin-bottom: 4px;
}
.memory-node div:last-child {
margin-bottom: 0;
}
.highlight {
color: var(--green-primary);
}
/* Graph Demo Section */
.graph-demo {
padding: 80px 0;
text-align: center;
}
.graph-container {
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
flex-wrap: wrap;
margin: 32px 0;
padding: 40px 20px;
background: var(--bg-secondary);
border-radius: var(--radius);
border: 1px solid var(--border-color);
}
.graph-node {
padding: 12px 20px;
border-radius: var(--radius);
font-family: var(--font-mono);
font-size: 0.9rem;
font-weight: 500;
}
.node-problem {
background: rgba(255, 176, 0, 0.15);
color: var(--amber);
border: 1px solid rgba(255, 176, 0, 0.3);
}
.node-error {
background: rgba(255, 68, 68, 0.15);
color: var(--red);
border: 1px solid rgba(255, 68, 68, 0.3);
}
.node-solution {
background: rgba(0, 255, 0, 0.15);
color: var(--green-primary);
border: 1px solid rgba(0, 255, 0, 0.3);
box-shadow: var(--glow-sm);
}
.graph-edge {
color: var(--text-dim);
font-size: 0.8rem;
font-family: var(--font-mono);
}
.graph-caption {
color: var(--text-secondary);
font-style: italic;
}
/* FAQ Section */
.faq {
padding: 80px 0;
background: var(--bg-secondary);
}
.faq-list {
max-width: 700px;
margin: 0 auto;
}
.faq-item {
margin-bottom: 8px;
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius);
}
.faq-item summary {
padding: 16px 20px;
cursor: pointer;
font-family: var(--font-display);
font-size: 1.1rem;
color: var(--green-primary);
list-style: none;
transition: background 0.2s;
}
.faq-item summary::-webkit-details-marker {
display: none;
}
.faq-item summary:hover {
background: rgba(0, 255, 0, 0.05);
}
.faq-item[open] summary {
border-bottom: 1px solid var(--border-color);
}
.faq-answer {
padding: 20px;
color: var(--text-secondary);
line-height: 1.7;
}
/* Quick Start Section */
.quickstart {
padding: 80px 0;
}
.install-tabs {
display: flex;
justify-content: center;
gap: 8px;
margin-bottom: 24px;
}
.tab-btn {
padding: 10px 24px;
font-family: var(--font-display);
font-size: 1rem;
background: var(--bg-secondary);
color: var(--text-secondary);
border: 1px solid var(--border-color);
border-radius: var(--radius);
cursor: pointer;
transition: all 0.2s;
}
.tab-btn:hover {
color: var(--green-primary);
border-color: var(--green-dim);
}
.tab-btn.active {
background: var(--green-primary);
color: var(--bg-primary);
border-color: var(--green-primary);
}
.install-panels {
max-width: 700px;
margin: 0 auto;
}
.install-panel {
display: none;
}
.install-panel.active {
display: block;
}
/* CTA Section */
.cta {
padding: 80px 0;
background: var(--bg-secondary);
}
.cta-window {
max-width: 700px;
margin: 0 auto;
background: var(--bg-card);
border: 1px solid var(--green-dim);
border-radius: var(--radius);
box-shadow: var(--glow-md);
}
.cta-content {
padding: 40px;
text-align: center;
}
.cta-content h2 {
font-family: var(--font-display);
font-size: 1.8rem;
margin-bottom: 24px;
letter-spacing: 2px;
}
.cta-command {
display: flex;
align-items: center;
justify-content: center;
gap: 12px;
background: var(--bg-primary);
padding: 16px 20px;
border-radius: var(--radius);
margin-bottom: 24px;
flex-wrap: wrap;
}
.cta-command code {
color: var(--green-primary);
font-size: 0.85rem;
word-break: break-all;
}
.copy-btn {
background: transparent;
border: 1px solid var(--border-color);
color: var(--text-secondary);
padding: 8px 12px;
border-radius: var(--radius);
cursor: pointer;
transition: all 0.2s;
font-size: 1rem;
}
.copy-btn:hover {
border-color: var(--green-primary);
color: var(--green-primary);
}
.cta-actions {
display: flex;
justify-content: center;
gap: 16px;
flex-wrap: wrap;
}
/* Footer */
.footer {
padding: 40px 0;
border-top: 1px solid var(--border-color);
}
.footer-content {
text-align: center;
}
.footer-brand {
margin-bottom: 20px;
}
.footer-links {
display: flex;
justify-content: center;
gap: 32px;
margin-bottom: 20px;
flex-wrap: wrap;
}
.footer-links a {
color: var(--text-secondary);
text-decoration: none;
font-size: 0.9rem;
transition: color 0.2s;
}
.footer-links a:hover {
color: var(--green-primary);
}
.footer-meta {
color: var(--text-dim);
font-size: 0.85rem;
}
.footer-meta p {
margin-bottom: 4px;
}
.heart {
color: var(--red);
}
/* Responsive */
@media (max-width: 768px) {
.hero-tagline {
font-size: 1.4rem;
}
.hero-stats {
gap: 24px;
}
.stat-value {
font-size: 2rem;
}
.step-content {
padding-left: 0;
}
.nav-links {
gap: 16px;
}
.section-title {
font-size: 1.4rem;
}
.graph-container {
flex-direction: column;
}
.graph-edge {
transform: rotate(90deg);
}
}
/* Hero Description Updates */
.hero-description p {
margin-bottom: 12px;
}
.hero-description p:last-child {
margin-bottom: 0;
}
.highlight-text {
color: var(--green-primary);
text-shadow: var(--glow-sm);
}
/* Demo Section */
.demo {
padding: 80px 0;
background: var(--bg-primary);
}
.demo-terminal {
max-width: 700px;
}
.demo-session {
margin-bottom: 16px;
}
.demo-divider {
color: var(--text-dim);
text-align: center;
margin: 20px 0;
}
.demo-exchange {
margin-top: 8px;
}
.demo-line {
margin-bottom: 12px;
line-height: 1.6;
}
.demo-line .speaker {
color: var(--cyan);
font-weight: bold;
margin-right: 8px;
}
.demo-line.agent .speaker {
color: var(--green-primary);
}
/* Session styles */
.italic {
font-style: italic;
}
/* Features Grid */
.features-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 24px;
max-width: 1000px;
margin: 0 auto;
}
@media (max-width: 768px) {
.features-grid {
grid-template-columns: 1fr;
}
}
.feature-window {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius);
overflow: hidden;
}
.feature-window .window-body {
padding: 20px;
}
.feature-window p {
color: var(--text-secondary);
margin-bottom: 16px;
font-size: 0.95rem;
}
.feature-examples {
background: var(--bg-primary);
padding: 16px;
border-radius: var(--radius);
margin-bottom: 12px;
}
.feature-examples code {
display: block;
color: var(--text-primary);
margin-bottom: 8px;
font-size: 0.85rem;
}
.feature-examples code:last-child {
margin-bottom: 0;
}
.feature-note {
font-size: 0.9rem;
color: var(--text-dim);
font-style: italic;
margin-bottom: 0 !important;
}
/* Relationship Demo */
.relationship-demo {
display: flex;
align-items: center;
justify-content: center;
gap: 8px;
padding: 20px;
background: var(--bg-primary);
border-radius: var(--radius);
margin-bottom: 16px;
flex-wrap: wrap;
}
.rel-node {
padding: 8px 16px;
background: rgba(0, 255, 0, 0.1);
border: 1px solid var(--green-dim);
border-radius: var(--radius);
color: var(--green-primary);
font-size: 0.9rem;
}
.rel-arrow {
color: var(--text-dim);
font-size: 0.85rem;
}
/* Project Tree */
.project-tree {
background: var(--bg-primary);
padding: 16px;
border-radius: var(--radius);
}
.tree-item {
margin-bottom: 12px;
}
.tree-item:last-child {
margin-bottom: 0;
}
.tree-icon {
color: var(--green-primary);
margin-right: 8px;
}
.tree-name {
color: var(--cyan);
}
.tree-count {
display: block;
margin-left: 24px;
color: var(--text-dim);
font-size: 0.85rem;
}
/* Step Enhancements */
.step-desc {
color: var(--text-secondary);
margin-bottom: 16px;
}
.step-flow {
background: var(--bg-primary);
padding: 16px;
border-radius: var(--radius);
color: var(--text-secondary);
font-size: 0.9rem;
margin-bottom: 16px;
}
.step-response {
background: var(--bg-primary);
padding: 16px;
border-radius: var(--radius);
border-left: 3px solid var(--green-primary);
}
.step-response .speaker {
color: var(--green-primary);
font-weight: bold;
margin-right: 8px;
}
.indent {
margin-left: 20px;
color: var(--text-dim);
}
/* Timeline */
.timeline {
background: var(--bg-primary);
padding: 20px;
border-radius: var(--radius);
margin-bottom: 16px;
}
.timeline-item {
margin-bottom: 12px;
color: var(--text-secondary);
}
.timeline-item:last-child {
margin-bottom: 0;
}
.week {
color: var(--cyan);
font-weight: bold;
margin-right: 8px;
}
.step-note {
color: var(--green-primary);
font-style: italic;
text-shadow: var(--glow-sm);
}
/* Comparison Section */
.comparisons {
padding: 80px 0;
}
.comparison-cards {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 24px;
max-width: 1000px;
margin: 0 auto;
}
@media (max-width: 768px) {
.comparison-cards {
grid-template-columns: 1fr;
}
}
.vs-card {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius);
overflow: hidden;
}
.vs-header {
padding: 16px 20px;
background: var(--bg-tertiary);
font-family: var(--font-display);
font-size: 1.1rem;
color: var(--cyan);
letter-spacing: 1px;
border-bottom: 1px solid var(--border-color);
}
.vs-body {
padding: 20px;
}
.vs-body p {
color: var(--text-secondary);
margin-bottom: 16px;
font-size: 0.95rem;
line-height: 1.7;
}
.vs-body ul {
list-style: none;
margin-bottom: 16px;
}
.vs-body li {
color: var(--text-secondary);
margin-bottom: 8px;
padding-left: 8px;
}
.vs-body li::before {
content: "•";
color: var(--green-dim);
margin-right: 8px;
}
.vs-body li .checkmark {
margin-right: 8px;
margin-left: 0;
}
.vs-summary {
background: var(--bg-primary);
padding: 16px;
border-radius: var(--radius);
margin-bottom: 16px;
}
.vs-summary div {
margin-bottom: 4px;
color: var(--text-primary);
}
.vs-summary div:last-child {
margin-bottom: 0;
}
.dim {
color: var(--text-dim);
}
.vs-note {
color: var(--green-primary) !important;
font-style: italic;
margin-bottom: 0 !important;
}
/* Social Proof */
.social-proof {
padding: 80px 0;
background: var(--bg-secondary);
}
.stats-bar {
display: flex;
justify-content: center;
gap: 48px;
flex-wrap: wrap;
margin-bottom: 48px;
padding: 24px;
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius);
max-width: 600px;
margin-left: auto;
margin-right: auto;
}
.stat-item {
display: flex;
align-items: center;
gap: 8px;
}
.stat-icon {
font-size: 1.2rem;
}
.stat-text {
color: var(--text-primary);
font-size: 0.95rem;
}
.testimonials {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 24px;
max-width: 800px;
margin: 0 auto;
}
@media (max-width: 768px) {
.testimonials {
grid-template-columns: 1fr;
}
}
.testimonial {
background: var(--bg-card);
border: 1px solid var(--border-color);
border-radius: var(--radius);
padding: 24px;
}
.testimonial-text {
color: var(--text-primary);
font-style: italic;
margin-bottom: 16px;
line-height: 1.7;
}
.testimonial-author {
color: var(--text-dim);
font-size: 0.9rem;
}
/* CTA Enhancements */
.cta-subtitle {
color: var(--text-secondary);
margin-bottom: 24px;
font-size: 1.1rem;
}
.cta-terminal {
background: var(--bg-primary);
border: 1px solid var(--border-color);
border-radius: var(--radius);
margin-bottom: 24px;
}
.cta-terminal .terminal-body {
padding: 20px;
}
.btn-star {
display: block;
margin-top: 16px;
background: transparent;
color: var(--amber);
border-color: var(--amber);
}
.btn-star:hover {
background: rgba(255, 176, 0, 0.1);
}
/* Footer Enhancements */
.footer-divider {
color: var(--text-dim);
text-align: center;
margin: 20px 0;
font-size: 0.7rem;
overflow: hidden;
}
/* Utility Classes */
.text-center { text-align: center; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
