/* ===================================
   Quant Lucid (QLCD) - Main Styles
   Dark Fintech Aesthetic
   =================================== */

:root {
    /* Colors */
    --color-bg: #0A0A0B;
    --color-bg-alt: #111113;
    --color-card: rgba(20, 20, 24, 0.8);
    --color-accent: #00C4B4;
    --color-accent-blue: #3B82F6;
    --color-text: #FFFFFF;
    --color-text-muted: #C0C8D0;
    --color-text-dim: #808896;
    --color-border: rgba(192, 200, 208, 0.1);
    --color-success: #10B981;
    --color-negative: #EF4444;
    
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Animation */
    --transition-fast: 0.2s ease;
    --transition-med: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===================================
   Reset & Base Styles
   =================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

img {
    max-width: 100%;
    height: auto;
}

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-2xl) 0;
    position: relative;
}

.section-dark {
    background-color: var(--color-bg-alt);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* ===================================
   Glass Effect
   =================================== */

.glass {
    background: var(--color-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    transition: all var(--transition-med);
}

.glass:hover {
    border-color: rgba(0, 196, 180, 0.3);
    box-shadow: 0 8px 32px rgba(0, 196, 180, 0.1);
    transform: translateY(-2px);
}

/* ===================================
   Buttons
   =================================== */

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border-radius: 8px;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 196, 180, 0.3);
    color: white;
}

.btn-secondary {
    background: transparent;
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-secondary:hover {
    background: rgba(0, 196, 180, 0.1);
    color: var(--color-accent);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

/* ===================================
   Navigation
   =================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 11, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-name {
    font-size: 1.125rem;
    font-weight: 500;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--color-text-muted);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav-menu a:hover {
    color: var(--color-accent);
}

.btn-nav {
    padding: 0.5rem 1.25rem;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    color: white;
    border-radius: 6px;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-fast);
}

/* ===================================
   Hero Section
   =================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

#neural-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

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

.hero-title {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    animation: fadeInUp 0.8s ease;
}

.ticker {
    color: var(--color-accent);
    font-size: 0.8em;
}

.hero-tagline {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.1s backwards;
}

.hero-subtitle {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease 0.2s backwards;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.8s ease 0.3s backwards;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.4s backwards;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-dim);
    font-size: 0.875rem;
    animation: bounce 2s infinite;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* ===================================
   Engine Room Section
   =================================== */

.engine-diagram {
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.turbine-svg {
    width: 100%;
    height: auto;
}

.connection-line {
    stroke: var(--color-accent);
    stroke-width: 2;
    fill: none;
    opacity: 0.4;
}

.node-circle {
    fill: var(--color-bg);
    stroke-width: 3;
    transition: all var(--transition-med);
}

.node-ai { stroke: var(--color-accent-blue); }
.node-equity { stroke: var(--color-success); }
.node-options { stroke: var(--color-accent); }

.node-circle:hover {
    stroke-width: 5;
    filter: drop-shadow(0 0 10px currentColor);
}

.node-label {
    fill: var(--color-text);
    font-size: 16px;
    font-weight: 600;
    text-anchor: middle;
    dominant-baseline: middle;
}

.engine-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.engine-card {
    padding: var(--spacing-xl);
    position: relative;
}

.engine-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.engine-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
}

.engine-subtitle {
    color: var(--color-text-dim);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
}

.engine-description {
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.engine-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.metric {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.metric-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-dim);
}

.metric-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-success);
}

.metric-value.negative {
    color: var(--color-negative);
}

.engine-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.375rem 0.875rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(128, 136, 150, 0.2);
    color: var(--color-text-dim);
}

.engine-badge.live {
    background: rgba(16, 185, 129, 0.2);
    color: var(--color-success);
}

.engine-badge.paper {
    background: rgba(59, 130, 246, 0.2);
    color: var(--color-accent-blue);
}

.engine-summary {
    text-align: center;
    font-size: 1.125rem;
    color: var(--color-text-muted);
}

/* ===================================
   Performance Section
   =================================== */

.performance-tabs {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-muted);
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    border-color: transparent;
    color: white;
}

.chart-container {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    min-height: 400px;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
}

.kpi-card {
    padding: var(--spacing-lg);
    text-align: center;
}

.kpi-label {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
}

.kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
}

/* ===================================
   Technology Section
   =================================== */

.tech-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.tech-step {
    flex: 0 1 160px;
    padding: var(--spacing-lg);
    text-align: center;
}

.tech-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.tech-step h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.tech-step p {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    margin: 0;
}

.tech-arrow {
    font-size: 2rem;
    color: var(--color-accent);
    flex-shrink: 0;
}

.tech-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
}

.tech-feature {
    padding: var(--spacing-lg);
}

.tech-feature h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.tech-feature p {
    color: var(--color-text-muted);
    margin: 0;
}

/* ===================================
   Vision Section
   =================================== */

.vision-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.vision-text {
    padding: var(--spacing-xl);
}

.vision-paragraph {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-lg);
}

.vision-paragraph a {
    color: var(--color-accent);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-fast);
}

.vision-paragraph a:hover {
    border-bottom-color: var(--color-accent);
}

.vision-quote {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    border-left: 4px solid var(--color-accent);
    background: rgba(0, 196, 180, 0.05);
    border-radius: 8px;
}

.vision-quote p {
    font-size: 1.25rem;
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.vision-quote cite {
    font-size: 0.95rem;
    color: var(--color-text-dim);
    font-style: normal;
}

.vision-goals {
    margin-top: var(--spacing-xl);
}

.vision-goals h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.vision-goals ul {
    list-style: none;
    padding: 0;
}

.vision-goals li {
    padding-left: 1.5rem;
    margin-bottom: var(--spacing-sm);
    position: relative;
    line-height: 1.7;
    color: var(--color-text-muted);
}

.vision-goals li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.disclaimer-small {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    margin-top: var(--spacing-md);
}

.legends-grid {
    display: grid;
    gap: var(--spacing-md);
}

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

.legend-card h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.legend-stat {
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.legend-desc {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    margin: 0;
}

.legend-card.highlighted {
    background: linear-gradient(135deg, rgba(0, 196, 180, 0.1), rgba(59, 130, 246, 0.1));
    border-color: var(--color-accent);
}

/* ===================================
   Governance Section
   =================================== */

.governance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.governance-card {
    padding: var(--spacing-xl);
}

.governance-card h3 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.governance-card p {
    color: var(--color-text-muted);
    line-height: 1.7;
}

.compliance-flow {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.compliance-flow h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
    flex: 0 1 120px;
}

.flow-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.flow-step p {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin: 0;
}

.flow-arrow {
    font-size: 1.5rem;
    color: var(--color-accent);
}

.compliance-items {
    max-width: 800px;
    margin: 0 auto;
}

.compliance-items h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.compliance-list {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
}

.compliance-list li {
    color: var(--color-text-muted);
    padding: var(--spacing-sm);
    line-height: 1.7;
}

/* ===================================
   CTA Section
   =================================== */

.cta-section {
    background: linear-gradient(135deg, rgba(0, 196, 180, 0.05), rgba(59, 130, 246, 0.05));
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--spacing-2xl);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.cta-disclaimer {
    font-size: 0.95rem;
    color: var(--color-text-dim);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(0, 196, 180, 0.05);
    border-radius: 8px;
}

.investment-terms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.term {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.term-label {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.term-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
}

/* ===================================
   Contact Section
   =================================== */

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-card {
    padding: var(--spacing-xl);
    text-align: center;
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.contact-card h3 {
    margin-bottom: var(--spacing-sm);
}

.contact-card a {
    color: var(--color-accent);
    word-break: break-word;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.contact-form h3 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-muted);
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.875rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.08);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
}

.checkbox-label span {
    color: var(--color-text-muted);
}

/* ===================================
   Footer
   =================================== */

.footer {
    background: var(--color-bg-alt);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand .logo {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-text-dim);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
}

.footer-column h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

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

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

.footer-column a {
    color: var(--color-text-muted);
}

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

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.03);
    padding: var(--spacing-xl);
    border-radius: 12px;
    margin-bottom: var(--spacing-xl);
}

.footer-disclaimer h4 {
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.footer-disclaimer p {
    font-size: 0.875rem;
    color: var(--color-text-dim);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-dim);
    font-size: 0.875rem;
}

.footer-update {
    margin-top: var(--spacing-xs);
    font-size: 0.8125rem;
}

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

@media (max-width: 968px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    
    .hero-title { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.5rem; }
    
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .tech-flow {
        flex-direction: column;
    }
    
    .tech-arrow {
        transform: rotate(90deg);
    }
    
    .vision-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .engine-cards {
        grid-template-columns: 1fr;
    }
    
    .performance-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .flow-diagram {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
    }
}

/* ===================================
   Animations
   =================================== */

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

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Scroll animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}